unix/gtkdlg.c

   1 /*
   2  * gtkdlg.c - GTK implementation of the PuTTY configuration box.
   3  */
   4
   5 #include <assert.h>
   6 #include <stdarg.h>
   7 #include <ctype.h>
   8 #include <time.h>
   9 #include <gtk/gtk.h>
  10 #include <gdk/gdkkeysyms.h>
  11 #include <gdk/gdkx.h>
  12 #include <X11/Xlib.h>
  13 #include <X11/Xutil.h>
  14
  15 #include "gtkcols.h"
  16 #include "gtkfont.h"
  17
  18 #ifdef TESTMODE
  19 #define PUTTY_DO_GLOBALS               /* actually _define_ globals */
  20 #endif
  21
  22 #include "putty.h"
  23 #include "storage.h"
  24 #include "dialog.h"
  25 #include "tree234.h"
  26
  27 struct Shortcut {
  28     GtkWidget *widget;
  29     struct uctrl *uc;
  30     int action;
  31 };
  32
  33 struct Shortcuts {
  34     struct Shortcut sc[128];
  35 };
  36
  37 struct uctrl {
  38     union control *ctrl;
  39     GtkWidget *toplevel;
  40     void *privdata;
  41     int privdata_needs_free;
  42     GtkWidget **buttons; int nbuttons; /* for radio buttons */
  43     GtkWidget *entry;         /* for editbox, filesel, fontsel */
  44     GtkWidget *button;        /* for filesel, fontsel */
  45 #if !GTK_CHECK_VERSION(2,4,0)
  46     GtkWidget *list;          /* for listbox (in GTK1), combobox (<=GTK2.3) */
  47     GtkWidget *menu;          /* for optionmenu (==droplist) */
  48     GtkWidget *optmenu;       /* also for optionmenu */
  49 #else
  50     GtkWidget *combo;         /* for combo box (either editable or not) */
  51 #endif
  52 #if GTK_CHECK_VERSION(2,0,0)
  53     GtkWidget *treeview;      /* for listbox (GTK2), droplist+combo (>=2.4) */
  54     GtkListStore *listmodel;  /* for all types of list box */
  55 #endif
  56     GtkWidget *text;          /* for text */
  57     GtkWidget *label;         /* for dlg_label_change */
  58     GtkAdjustment *adj;       /* for the scrollbar in a list box */
  59     guint entrysig;
  60     guint textsig;
  61     int nclicks;
  62 };
  63
  64 struct dlgparam {
  65     tree234 *byctrl, *bywidget;
  66     void *data;
  67     struct { unsigned char r, g, b, ok; } coloursel_result;   /* 0-255 */
  68     /* `flags' are set to indicate when a GTK signal handler is being called
  69      * due to automatic processing and should not flag a user event. */
  70     int flags;
  71     struct Shortcuts *shortcuts;
  72     GtkWidget *window, *cancelbutton;
  73     union control *currfocus, *lastfocus;
  74 #if !GTK_CHECK_VERSION(2,0,0)
  75     GtkWidget *currtreeitem, **treeitems;
  76     int ntreeitems;
  77 #endif
  78     int retval;
  79 };
  80 #define FLAG_UPDATING_COMBO_LIST 1
  81 #define FLAG_UPDATING_LISTBOX    2
  82
  83 enum {                                 /* values for Shortcut.action */
  84     SHORTCUT_EMPTY,                    /* no shortcut on this key */
  85     SHORTCUT_TREE,                     /* focus a tree item */
  86     SHORTCUT_FOCUS,                    /* focus the supplied widget */
  87     SHORTCUT_UCTRL,                    /* do something sane with uctrl */
  88     SHORTCUT_UCTRL_UP,                 /* uctrl is a draglist, move Up */
  89     SHORTCUT_UCTRL_DOWN,               /* uctrl is a draglist, move Down */
  90 };
  91
  92 #if GTK_CHECK_VERSION(2,0,0)
  93 enum {
  94     TREESTORE_PATH,
  95     TREESTORE_PARAMS,
  96     TREESTORE_NUM
  97 };
  98 #endif
  99
 100 /*
 101  * Forward references.
 102  */
 103 static gboolean widget_focus(GtkWidget *widget, GdkEventFocus *event,
 104                              gpointer data);
 105 static void shortcut_add(struct Shortcuts *scs, GtkWidget *labelw,
 106                          int chr, int action, void *ptr);
 107 static void shortcut_highlight(GtkWidget *label, int chr);
 108 #if !GTK_CHECK_VERSION(2,0,0)
 109 static gboolean listitem_single_key(GtkWidget *item, GdkEventKey *event,
 110                                     gpointer data);
 111 static gboolean listitem_multi_key(GtkWidget *item, GdkEventKey *event,
 112                                    gpointer data);
 113 static gboolean listitem_button_press(GtkWidget *item, GdkEventButton *event,
 114                                       gpointer data);
 115 static gboolean listitem_button_release(GtkWidget *item, GdkEventButton *event,
 116                                         gpointer data);
 117 #endif
 118 #if !GTK_CHECK_VERSION(2,4,0)
 119 static void menuitem_activate(GtkMenuItem *item, gpointer data);
 120 #endif
 121 static void coloursel_ok(GtkButton *button, gpointer data);
 122 static void coloursel_cancel(GtkButton *button, gpointer data);
 123 static void window_destroy(GtkWidget *widget, gpointer data);
 124 int get_listitemheight(GtkWidget *widget);
 125
 126 static int uctrl_cmp_byctrl(void *av, void *bv)
 127 {
 128     struct uctrl *a = (struct uctrl *)av;
 129     struct uctrl *b = (struct uctrl *)bv;
 130     if (a->ctrl < b->ctrl)
 131         return -1;
 132     else if (a->ctrl > b->ctrl)
 133         return +1;
 134     return 0;
 135 }
 136
 137 static int uctrl_cmp_byctrl_find(void *av, void *bv)
 138 {
 139     union control *a = (union control *)av;
 140     struct uctrl *b = (struct uctrl *)bv;
 141     if (a < b->ctrl)
 142         return -1;
 143     else if (a > b->ctrl)
 144         return +1;
 145     return 0;
 146 }
 147
 148 static int uctrl_cmp_bywidget(void *av, void *bv)
 149 {
 150     struct uctrl *a = (struct uctrl *)av;
 151     struct uctrl *b = (struct uctrl *)bv;
 152     if (a->toplevel < b->toplevel)
 153         return -1;
 154     else if (a->toplevel > b->toplevel)
 155         return +1;
 156     return 0;
 157 }
 158
 159 static int uctrl_cmp_bywidget_find(void *av, void *bv)
 160 {
 161     GtkWidget *a = (GtkWidget *)av;
 162     struct uctrl *b = (struct uctrl *)bv;
 163     if (a < b->toplevel)
 164         return -1;
 165     else if (a > b->toplevel)
 166         return +1;
 167     return 0;
 168 }
 169
 170 static void dlg_init(struct dlgparam *dp)
 171 {
 172     dp->byctrl = newtree234(uctrl_cmp_byctrl);
 173     dp->bywidget = newtree234(uctrl_cmp_bywidget);
 174     dp->coloursel_result.ok = FALSE;
 175     dp->window = dp->cancelbutton = NULL;
 176 #if !GTK_CHECK_VERSION(2,0,0)
 177     dp->treeitems = NULL;
 178     dp->currtreeitem = NULL;
 179 #endif
 180     dp->flags = 0;
 181     dp->currfocus = NULL;
 182 }
 183
 184 static void dlg_cleanup(struct dlgparam *dp)
 185 {
 186     struct uctrl *uc;
 187
 188     freetree234(dp->byctrl);           /* doesn't free the uctrls inside */
 189     dp->byctrl = NULL;
 190     while ( (uc = index234(dp->bywidget, 0)) != NULL) {
 191         del234(dp->bywidget, uc);
 192         if (uc->privdata_needs_free)
 193             sfree(uc->privdata);
 194         sfree(uc->buttons);
 195         sfree(uc);
 196     }
 197     freetree234(dp->bywidget);
 198     dp->bywidget = NULL;
 199 #if !GTK_CHECK_VERSION(2,0,0)
 200     sfree(dp->treeitems);
 201 #endif
 202 }
 203
 204 static void dlg_add_uctrl(struct dlgparam *dp, struct uctrl *uc)
 205 {
 206     add234(dp->byctrl, uc);
 207     add234(dp->bywidget, uc);
 208 }
 209
 210 static struct uctrl *dlg_find_byctrl(struct dlgparam *dp, union control *ctrl)
 211 {
 212     if (!dp->byctrl)
 213         return NULL;
 214     return find234(dp->byctrl, ctrl, uctrl_cmp_byctrl_find);
 215 }
 216
 217 static struct uctrl *dlg_find_bywidget(struct dlgparam *dp, GtkWidget *w)
 218 {
 219     struct uctrl *ret = NULL;
 220     if (!dp->bywidget)
 221         return NULL;
 222     do {
 223         ret = find234(dp->bywidget, w, uctrl_cmp_bywidget_find);
 224         if (ret)
 225             return ret;
 226         w = w->parent;
 227     } while (w);
 228     return ret;
 229 }
 230
 231 void *dlg_get_privdata(union control *ctrl, void *dlg)
 232 {
 233     struct dlgparam *dp = (struct dlgparam *)dlg;
 234     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 235     return uc->privdata;
 236 }
 237
 238 void dlg_set_privdata(union control *ctrl, void *dlg, void *ptr)
 239 {
 240     struct dlgparam *dp = (struct dlgparam *)dlg;
 241     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 242     uc->privdata = ptr;
 243     uc->privdata_needs_free = FALSE;
 244 }
 245
 246 void *dlg_alloc_privdata(union control *ctrl, void *dlg, size_t size)
 247 {
 248     struct dlgparam *dp = (struct dlgparam *)dlg;
 249     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 250     /*
 251      * This is an internal allocation routine, so it's allowed to
 252      * use smalloc directly.
 253      */
 254     uc->privdata = smalloc(size);
 255     uc->privdata_needs_free = FALSE;
 256     return uc->privdata;
 257 }
 258
 259 union control *dlg_last_focused(union control *ctrl, void *dlg)
 260 {
 261     struct dlgparam *dp = (struct dlgparam *)dlg;
 262     if (dp->currfocus != ctrl)
 263         return dp->currfocus;
 264     else
 265         return dp->lastfocus;
 266 }
 267
 268 void dlg_radiobutton_set(union control *ctrl, void *dlg, int which)
 269 {
 270     struct dlgparam *dp = (struct dlgparam *)dlg;
 271     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 272     assert(uc->ctrl->generic.type == CTRL_RADIO);
 273     assert(uc->buttons != NULL);
 274     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(uc->buttons[which]), TRUE);
 275 }
 276
 277 int dlg_radiobutton_get(union control *ctrl, void *dlg)
 278 {
 279     struct dlgparam *dp = (struct dlgparam *)dlg;
 280     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 281     int i;
 282
 283     assert(uc->ctrl->generic.type == CTRL_RADIO);
 284     assert(uc->buttons != NULL);
 285     for (i = 0; i < uc->nbuttons; i++)
 286         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(uc->buttons[i])))
 287             return i;
 288     return 0;                          /* got to return something */
 289 }
 290
 291 void dlg_checkbox_set(union control *ctrl, void *dlg, int checked)
 292 {
 293     struct dlgparam *dp = (struct dlgparam *)dlg;
 294     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 295     assert(uc->ctrl->generic.type == CTRL_CHECKBOX);
 296     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(uc->toplevel), checked);
 297 }
 298
 299 int dlg_checkbox_get(union control *ctrl, void *dlg)
 300 {
 301     struct dlgparam *dp = (struct dlgparam *)dlg;
 302     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 303     assert(uc->ctrl->generic.type == CTRL_CHECKBOX);
 304     return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(uc->toplevel));
 305 }
 306
 307 void dlg_editbox_set(union control *ctrl, void *dlg, char const *text)
 308 {
 309     struct dlgparam *dp = (struct dlgparam *)dlg;
 310     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 311     GtkWidget *entry;
 312     char *tmpstring;
 313     assert(uc->ctrl->generic.type == CTRL_EDITBOX);
 314
 315 #if GTK_CHECK_VERSION(2,4,0)
 316     if (uc->combo)
 317         entry = gtk_bin_get_child(GTK_BIN(uc->combo));
 318     else
 319 #endif
 320     entry = uc->entry;
 321
 322     assert(entry != NULL);
 323
 324     /*
 325      * GTK 2 implements gtk_entry_set_text by means of two separate
 326      * operations: first delete the previous text leaving the empty
 327      * string, then insert the new text. This causes two calls to
 328      * the "changed" signal.
 329      *
 330      * The first call to "changed", if allowed to proceed normally,
 331      * will cause an EVENT_VALCHANGE event on the edit box, causing
 332      * a call to dlg_editbox_get() which will read the empty string
 333      * out of the GtkEntry - and promptly write it straight into the
 334      * Conf structure, which is precisely where our `text' pointer
 335      * is probably pointing, so the second editing operation will
 336      * insert that instead of the string we originally asked for.
 337      *
 338      * Hence, we must take our own copy of the text before we do
 339      * this.
 340      */
 341     tmpstring = dupstr(text);
 342     gtk_entry_set_text(GTK_ENTRY(entry), tmpstring);
 343     sfree(tmpstring);
 344 }
 345
 346 char *dlg_editbox_get(union control *ctrl, void *dlg)
 347 {
 348     struct dlgparam *dp = (struct dlgparam *)dlg;
 349     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 350     assert(uc->ctrl->generic.type == CTRL_EDITBOX);
 351
 352 #if GTK_CHECK_VERSION(2,4,0)
 353     if (uc->combo) {
 354 #if GTK_CHECK_VERSION(2,6,0)
 355         return dupstr(gtk_combo_box_get_active_text(GTK_COMBO_BOX(uc->combo)));
 356 #else
 357         return dupstr(gtk_entry_get_text
 358                       (GTK_ENTRY(gtk_bin_get_child(GTK_BIN(uc->combo)))));
 359 #endif
 360     }
 361 #endif
 362
 363     if (uc->entry) {
 364         return dupstr(gtk_entry_get_text(GTK_ENTRY(uc->entry)));
 365     }
 366
 367     assert(!"We shouldn't get here");
 368 }
 369
 370 #if !GTK_CHECK_VERSION(2,4,0)
 371 static void container_remove_and_destroy(GtkWidget *w, gpointer data)
 372 {
 373     GtkContainer *cont = GTK_CONTAINER(data);
 374     /* gtk_container_remove will unref the widget for us; we need not. */
 375     gtk_container_remove(cont, w);
 376 }
 377 #endif
 378
 379 /* The `listbox' functions can also apply to combo boxes. */
 380 void dlg_listbox_clear(union control *ctrl, void *dlg)
 381 {
 382     struct dlgparam *dp = (struct dlgparam *)dlg;
 383     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 384
 385     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 386            uc->ctrl->generic.type == CTRL_LISTBOX);
 387
 388 #if !GTK_CHECK_VERSION(2,4,0)
 389     if (uc->menu) {
 390         gtk_container_foreach(GTK_CONTAINER(uc->menu),
 391                               container_remove_and_destroy,
 392                               GTK_CONTAINER(uc->menu));
 393         return;
 394     }
 395     if (uc->list) {
 396         gtk_list_clear_items(GTK_LIST(uc->list), 0, -1);
 397         return;
 398     }
 399 #endif
 400 #if GTK_CHECK_VERSION(2,0,0)
 401     if (uc->listmodel) {
 402         gtk_list_store_clear(uc->listmodel);
 403         return;
 404     }
 405 #endif
 406     assert(!"We shouldn't get here");
 407 }
 408
 409 void dlg_listbox_del(union control *ctrl, void *dlg, int index)
 410 {
 411     struct dlgparam *dp = (struct dlgparam *)dlg;
 412     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 413
 414     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 415            uc->ctrl->generic.type == CTRL_LISTBOX);
 416
 417 #if !GTK_CHECK_VERSION(2,4,0)
 418     if (uc->menu) {
 419         gtk_container_remove
 420             (GTK_CONTAINER(uc->menu),
 421              g_list_nth_data(GTK_MENU_SHELL(uc->menu)->children, index));
 422         return;
 423     }
 424     if (uc->list) {
 425         gtk_list_clear_items(GTK_LIST(uc->list), index, index+1);
 426         return;
 427     }
 428 #endif
 429 #if GTK_CHECK_VERSION(2,0,0)
 430     if (uc->listmodel) {
 431         GtkTreePath *path;
 432         GtkTreeIter iter;
 433         assert(uc->listmodel != NULL);
 434         path = gtk_tree_path_new_from_indices(index, -1);
 435         gtk_tree_model_get_iter(GTK_TREE_MODEL(uc->listmodel), &iter, path);
 436         gtk_list_store_remove(uc->listmodel, &iter);
 437         gtk_tree_path_free(path);
 438         return;
 439     }
 440 #endif
 441     assert(!"We shouldn't get here");
 442 }
 443
 444 void dlg_listbox_add(union control *ctrl, void *dlg, char const *text)
 445 {
 446     dlg_listbox_addwithid(ctrl, dlg, text, 0);
 447 }
 448
 449 /*
 450  * Each listbox entry may have a numeric id associated with it.
 451  * Note that some front ends only permit a string to be stored at
 452  * each position, which means that _if_ you put two identical
 453  * strings in any listbox then you MUST not assign them different
 454  * IDs and expect to get meaningful results back.
 455  */
 456 void dlg_listbox_addwithid(union control *ctrl, void *dlg,
 457                            char const *text, int id)
 458 {
 459     struct dlgparam *dp = (struct dlgparam *)dlg;
 460     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 461
 462     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 463            uc->ctrl->generic.type == CTRL_LISTBOX);
 464
 465     /*
 466      * This routine is long and complicated in both GTK 1 and 2,
 467      * and completely different. Sigh.
 468      */
 469     dp->flags |= FLAG_UPDATING_COMBO_LIST;
 470
 471 #if !GTK_CHECK_VERSION(2,4,0)
 472     if (uc->menu) {
 473         /*
 474          * List item in a drop-down (but non-combo) list. Tabs are
 475          * ignored; we just provide a standard menu item with the
 476          * text.
 477          */
 478         GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
 479
 480         gtk_container_add(GTK_CONTAINER(uc->menu), menuitem);
 481         gtk_widget_show(menuitem);
 482
 483         gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
 484                             GINT_TO_POINTER(id));
 485         gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
 486                            GTK_SIGNAL_FUNC(menuitem_activate), dp);
 487         goto done;
 488     }
 489     if (uc->list && uc->entry) {
 490         /*
 491          * List item in a combo-box list, which means the sensible
 492          * thing to do is make it a perfectly normal label. Hence
 493          * tabs are disregarded.
 494          */
 495         GtkWidget *listitem = gtk_list_item_new_with_label(text);
 496
 497         gtk_container_add(GTK_CONTAINER(uc->list), listitem);
 498         gtk_widget_show(listitem);
 499
 500         gtk_object_set_data(GTK_OBJECT(listitem), "user-data",
 501                             GINT_TO_POINTER(id));
 502         goto done;
 503     }
 504 #endif
 505 #if !GTK_CHECK_VERSION(2,0,0)
 506     if (uc->list) {
 507         /*
 508          * List item in a non-combo-box list box. We make all of
 509          * these Columns containing GtkLabels. This allows us to do
 510          * the nasty force_left hack irrespective of whether there
 511          * are tabs in the thing.
 512          */
 513         GtkWidget *listitem = gtk_list_item_new();
 514         GtkWidget *cols = columns_new(10);
 515         gint *percents;
 516         int i, ncols;
 517
 518         /* Count the tabs in the text, and hence determine # of columns. */
 519         ncols = 1;
 520         for (i = 0; text[i]; i++)
 521             if (text[i] == '\t')
 522                 ncols++;
 523
 524         assert(ncols <=
 525                (uc->ctrl->listbox.ncols ? uc->ctrl->listbox.ncols : 1));
 526         percents = snewn(ncols, gint);
 527         percents[ncols-1] = 100;
 528         for (i = 0; i < ncols-1; i++) {
 529             percents[i] = uc->ctrl->listbox.percentages[i];
 530             percents[ncols-1] -= percents[i];
 531         }
 532         columns_set_cols(COLUMNS(cols), ncols, percents);
 533         sfree(percents);
 534
 535         for (i = 0; i < ncols; i++) {
 536             int len = strcspn(text, "\t");
 537             char *dup = dupprintf("%.*s", len, text);
 538             GtkWidget *label;
 539
 540             text += len;
 541             if (*text) text++;
 542             label = gtk_label_new(dup);
 543             sfree(dup);
 544
 545             columns_add(COLUMNS(cols), label, i, 1);
 546             columns_force_left_align(COLUMNS(cols), label);
 547             gtk_widget_show(label);
 548         }
 549         gtk_container_add(GTK_CONTAINER(listitem), cols);
 550         gtk_widget_show(cols);
 551         gtk_container_add(GTK_CONTAINER(uc->list), listitem);
 552         gtk_widget_show(listitem);
 553
 554         if (ctrl->listbox.multisel) {
 555             gtk_signal_connect(GTK_OBJECT(listitem), "key_press_event",
 556                                GTK_SIGNAL_FUNC(listitem_multi_key), uc->adj);
 557         } else {
 558             gtk_signal_connect(GTK_OBJECT(listitem), "key_press_event",
 559                                GTK_SIGNAL_FUNC(listitem_single_key), uc->adj);
 560         }
 561         gtk_signal_connect(GTK_OBJECT(listitem), "focus_in_event",
 562                            GTK_SIGNAL_FUNC(widget_focus), dp);
 563         gtk_signal_connect(GTK_OBJECT(listitem), "button_press_event",
 564                            GTK_SIGNAL_FUNC(listitem_button_press), dp);
 565         gtk_signal_connect(GTK_OBJECT(listitem), "button_release_event",
 566                            GTK_SIGNAL_FUNC(listitem_button_release), dp);
 567         gtk_object_set_data(GTK_OBJECT(listitem), "user-data",
 568                             GINT_TO_POINTER(id));
 569         goto done;
 570     }
 571 #else
 572     if (uc->listmodel) {
 573         GtkTreeIter iter;
 574         int i, cols;
 575
 576         dp->flags |= FLAG_UPDATING_LISTBOX;/* inhibit drag-list update */
 577         gtk_list_store_append(uc->listmodel, &iter);
 578         dp->flags &= ~FLAG_UPDATING_LISTBOX;
 579         gtk_list_store_set(uc->listmodel, &iter, 0, id, -1);
 580
 581         /*
 582          * Now go through text and divide it into columns at the tabs,
 583          * as necessary.
 584          */
 585         cols = (uc->ctrl->generic.type == CTRL_LISTBOX ? ctrl->listbox.ncols : 1);
 586         cols = cols ? cols : 1;
 587         for (i = 0; i < cols; i++) {
 588             int collen = strcspn(text, "\t");
 589             char *tmpstr = snewn(collen+1, char);
 590             memcpy(tmpstr, text, collen);
 591             tmpstr[collen] = '\0';
 592             gtk_list_store_set(uc->listmodel, &iter, i+1, tmpstr, -1);
 593             sfree(tmpstr);
 594             text += collen;
 595             if (*text) text++;
 596         }
 597         goto done;
 598     }
 599 #endif
 600     assert(!"We shouldn't get here");
 601     done:
 602     dp->flags &= ~FLAG_UPDATING_COMBO_LIST;
 603 }
 604
 605 int dlg_listbox_getid(union control *ctrl, void *dlg, int index)
 606 {
 607     struct dlgparam *dp = (struct dlgparam *)dlg;
 608     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 609
 610     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 611            uc->ctrl->generic.type == CTRL_LISTBOX);
 612
 613 #if !GTK_CHECK_VERSION(2,4,0)
 614     if (uc->menu || uc->list) {
 615         GList *children;
 616         GtkObject *item;
 617
 618         children = gtk_container_children(GTK_CONTAINER(uc->menu ? uc->menu :
 619                                                         uc->list));
 620         item = GTK_OBJECT(g_list_nth_data(children, index));
 621         g_list_free(children);
 622
 623         return GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
 624                                                    "user-data"));
 625     }
 626 #endif
 627 #if GTK_CHECK_VERSION(2,0,0)
 628     if (uc->listmodel) {
 629         GtkTreePath *path;
 630         GtkTreeIter iter;
 631         int ret;
 632
 633         path = gtk_tree_path_new_from_indices(index, -1);
 634         gtk_tree_model_get_iter(GTK_TREE_MODEL(uc->listmodel), &iter, path);
 635         gtk_tree_model_get(GTK_TREE_MODEL(uc->listmodel), &iter, 0, &ret, -1);
 636         gtk_tree_path_free(path);
 637
 638         return ret;
 639     }
 640 #endif
 641     assert(!"We shouldn't get here");
 642     return -1;                         /* placate dataflow analysis */
 643 }
 644
 645 /* dlg_listbox_index returns <0 if no single element is selected. */
 646 int dlg_listbox_index(union control *ctrl, void *dlg)
 647 {
 648     struct dlgparam *dp = (struct dlgparam *)dlg;
 649     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 650
 651     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 652            uc->ctrl->generic.type == CTRL_LISTBOX);
 653
 654 #if !GTK_CHECK_VERSION(2,4,0)
 655     if (uc->menu || uc->list) {
 656         GList *children;
 657         GtkWidget *item, *activeitem;
 658         int i;
 659         int selected = -1;
 660
 661         if (uc->menu)
 662             activeitem = gtk_menu_get_active(GTK_MENU(uc->menu));
 663         else
 664             activeitem = NULL;         /* unnecessarily placate gcc */
 665
 666         children = gtk_container_children(GTK_CONTAINER(uc->menu ? uc->menu :
 667                                                         uc->list));
 668         for (i = 0; children!=NULL && (item = GTK_WIDGET(children->data))!=NULL;
 669              i++, children = children->next) {
 670             if (uc->menu ? activeitem == item :
 671                 GTK_WIDGET_STATE(item) == GTK_STATE_SELECTED) {
 672                 if (selected == -1)
 673                     selected = i;
 674                 else
 675                     selected = -2;
 676             }
 677         }
 678         g_list_free(children);
 679         return selected < 0 ? -1 : selected;
 680     }
 681 #else
 682     if (uc->combo) {
 683         /*
 684          * This API function already does the right thing in the
 685          * case of no current selection.
 686          */
 687         return gtk_combo_box_get_active(GTK_COMBO_BOX(uc->combo));
 688     }
 689 #endif
 690 #if GTK_CHECK_VERSION(2,0,0)
 691     if (uc->treeview) {
 692         GtkTreeSelection *treesel;
 693         GtkTreePath *path;
 694         GtkTreeModel *model;
 695         GList *sellist;
 696         gint *indices;
 697         int ret;
 698
 699         assert(uc->treeview != NULL);
 700         treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(uc->treeview));
 701
 702         if (gtk_tree_selection_count_selected_rows(treesel) != 1)
 703             return -1;
 704
 705         sellist = gtk_tree_selection_get_selected_rows(treesel, &model);
 706
 707         assert(sellist && sellist->data);
 708         path = sellist->data;
 709
 710         if (gtk_tree_path_get_depth(path) != 1) {
 711             ret = -1;
 712         } else {
 713             indices = gtk_tree_path_get_indices(path);
 714             if (!indices) {
 715                 ret = -1;
 716             } else {
 717                 ret = indices[0];
 718             }
 719         }
 720
 721         g_list_foreach(sellist, (GFunc)gtk_tree_path_free, NULL);
 722         g_list_free(sellist);
 723
 724         return ret;
 725     }
 726 #endif
 727     assert(!"We shouldn't get here");
 728     return -1;                         /* placate dataflow analysis */
 729 }
 730
 731 int dlg_listbox_issel(union control *ctrl, void *dlg, int index)
 732 {
 733     struct dlgparam *dp = (struct dlgparam *)dlg;
 734     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 735
 736     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 737            uc->ctrl->generic.type == CTRL_LISTBOX);
 738
 739 #if !GTK_CHECK_VERSION(2,4,0)
 740     if (uc->menu || uc->list) {
 741         GList *children;
 742         GtkWidget *item, *activeitem;
 743
 744         assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 745                uc->ctrl->generic.type == CTRL_LISTBOX);
 746         assert(uc->menu != NULL || uc->list != NULL);
 747
 748         children = gtk_container_children(GTK_CONTAINER(uc->menu ? uc->menu :
 749                                                         uc->list));
 750         item = GTK_WIDGET(g_list_nth_data(children, index));
 751         g_list_free(children);
 752
 753         if (uc->menu) {
 754             activeitem = gtk_menu_get_active(GTK_MENU(uc->menu));
 755             return item == activeitem;
 756         } else {
 757             return GTK_WIDGET_STATE(item) == GTK_STATE_SELECTED;
 758         }
 759     }
 760 #else
 761     if (uc->combo) {
 762         /*
 763          * This API function already does the right thing in the
 764          * case of no current selection.
 765          */
 766         return gtk_combo_box_get_active(GTK_COMBO_BOX(uc->combo)) == index;
 767     }
 768 #endif
 769 #if GTK_CHECK_VERSION(2,0,0)
 770     if (uc->treeview) {
 771         GtkTreeSelection *treesel;
 772         GtkTreePath *path;
 773         int ret;
 774
 775         assert(uc->treeview != NULL);
 776         treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(uc->treeview));
 777
 778         path = gtk_tree_path_new_from_indices(index, -1);
 779         ret = gtk_tree_selection_path_is_selected(treesel, path);
 780         gtk_tree_path_free(path);
 781
 782         return ret;
 783     }
 784 #endif
 785     assert(!"We shouldn't get here");
 786     return -1;                         /* placate dataflow analysis */
 787 }
 788
 789 void dlg_listbox_select(union control *ctrl, void *dlg, int index)
 790 {
 791     struct dlgparam *dp = (struct dlgparam *)dlg;
 792     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 793
 794     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 795            uc->ctrl->generic.type == CTRL_LISTBOX);
 796
 797 #if !GTK_CHECK_VERSION(2,4,0)
 798     if (uc->optmenu) {
 799         gtk_option_menu_set_history(GTK_OPTION_MENU(uc->optmenu), index);
 800         return;
 801     }
 802     if (uc->list) {
 803         int nitems;
 804         GList *items;
 805         gdouble newtop, newbot;
 806
 807         gtk_list_select_item(GTK_LIST(uc->list), index);
 808
 809         /*
 810          * Scroll the list box if necessary to ensure the newly
 811          * selected item is visible.
 812          */
 813         items = gtk_container_children(GTK_CONTAINER(uc->list));
 814         nitems = g_list_length(items);
 815         if (nitems > 0) {
 816             int modified = FALSE;
 817             g_list_free(items);
 818             newtop = uc->adj->lower +
 819                 (uc->adj->upper - uc->adj->lower) * index / nitems;
 820             newbot = uc->adj->lower +
 821                 (uc->adj->upper - uc->adj->lower) * (index+1) / nitems;
 822             if (uc->adj->value > newtop) {
 823                 modified = TRUE;
 824                 uc->adj->value = newtop;
 825             } else if (uc->adj->value < newbot - uc->adj->page_size) {
 826                 modified = TRUE;
 827                 uc->adj->value = newbot - uc->adj->page_size;
 828             }
 829             if (modified)
 830                 gtk_adjustment_value_changed(uc->adj);
 831         }
 832         return;
 833     }
 834 #else
 835     if (uc->combo) {
 836         gtk_combo_box_set_active(GTK_COMBO_BOX(uc->combo), index);
 837         return;
 838     }
 839 #endif
 840 #if GTK_CHECK_VERSION(2,0,0)
 841     if (uc->treeview) {
 842         GtkTreeSelection *treesel;
 843         GtkTreePath *path;
 844
 845         treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(uc->treeview));
 846
 847         path = gtk_tree_path_new_from_indices(index, -1);
 848         gtk_tree_selection_select_path(treesel, path);
 849         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(uc->treeview),
 850                                      path, NULL, FALSE, 0.0, 0.0);
 851         gtk_tree_path_free(path);
 852         return;
 853     }
 854 #endif
 855     assert(!"We shouldn't get here");
 856 }
 857
 858 void dlg_text_set(union control *ctrl, void *dlg, char const *text)
 859 {
 860     struct dlgparam *dp = (struct dlgparam *)dlg;
 861     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 862
 863     assert(uc->ctrl->generic.type == CTRL_TEXT);
 864     assert(uc->text != NULL);
 865
 866     gtk_label_set_text(GTK_LABEL(uc->text), text);
 867 }
 868
 869 void dlg_label_change(union control *ctrl, void *dlg, char const *text)
 870 {
 871     struct dlgparam *dp = (struct dlgparam *)dlg;
 872     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 873
 874     switch (uc->ctrl->generic.type) {
 875       case CTRL_BUTTON:
 876         gtk_label_set_text(GTK_LABEL(uc->toplevel), text);
 877         shortcut_highlight(uc->toplevel, ctrl->button.shortcut);
 878         break;
 879       case CTRL_CHECKBOX:
 880         gtk_label_set_text(GTK_LABEL(uc->toplevel), text);
 881         shortcut_highlight(uc->toplevel, ctrl->checkbox.shortcut);
 882         break;
 883       case CTRL_RADIO:
 884         gtk_label_set_text(GTK_LABEL(uc->label), text);
 885         shortcut_highlight(uc->label, ctrl->radio.shortcut);
 886         break;
 887       case CTRL_EDITBOX:
 888         gtk_label_set_text(GTK_LABEL(uc->label), text);
 889         shortcut_highlight(uc->label, ctrl->editbox.shortcut);
 890         break;
 891       case CTRL_FILESELECT:
 892         gtk_label_set_text(GTK_LABEL(uc->label), text);
 893         shortcut_highlight(uc->label, ctrl->fileselect.shortcut);
 894         break;
 895       case CTRL_FONTSELECT:
 896         gtk_label_set_text(GTK_LABEL(uc->label), text);
 897         shortcut_highlight(uc->label, ctrl->fontselect.shortcut);
 898         break;
 899       case CTRL_LISTBOX:
 900         gtk_label_set_text(GTK_LABEL(uc->label), text);
 901         shortcut_highlight(uc->label, ctrl->listbox.shortcut);
 902         break;
 903       default:
 904         assert(!"This shouldn't happen");
 905         break;
 906     }
 907 }
 908
 909 void dlg_filesel_set(union control *ctrl, void *dlg, Filename fn)
 910 {
 911     struct dlgparam *dp = (struct dlgparam *)dlg;
 912     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 913     assert(uc->ctrl->generic.type == CTRL_FILESELECT);
 914     assert(uc->entry != NULL);
 915     gtk_entry_set_text(GTK_ENTRY(uc->entry), fn.path);
 916 }
 917
 918 void dlg_filesel_get(union control *ctrl, void *dlg, Filename *fn)
 919 {
 920     struct dlgparam *dp = (struct dlgparam *)dlg;
 921     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 922     assert(uc->ctrl->generic.type == CTRL_FILESELECT);
 923     assert(uc->entry != NULL);
 924     strncpy(fn->path, gtk_entry_get_text(GTK_ENTRY(uc->entry)),
 925             lenof(fn->path));
 926     fn->path[lenof(fn->path)-1] = '\0';
 927 }
 928
 929 void dlg_fontsel_set(union control *ctrl, void *dlg, FontSpec *fs)
 930 {
 931     struct dlgparam *dp = (struct dlgparam *)dlg;
 932     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 933     assert(uc->ctrl->generic.type == CTRL_FONTSELECT);
 934     assert(uc->entry != NULL);
 935     gtk_entry_set_text(GTK_ENTRY(uc->entry), fs->name);
 936 }
 937
 938 FontSpec *dlg_fontsel_get(union control *ctrl, void *dlg)
 939 {
 940     struct dlgparam *dp = (struct dlgparam *)dlg;
 941     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 942     assert(uc->ctrl->generic.type == CTRL_FONTSELECT);
 943     assert(uc->entry != NULL);
 944     return fontspec_new(gtk_entry_get_text(GTK_ENTRY(uc->entry)));
 945 }
 946
 947 /*
 948  * Bracketing a large set of updates in these two functions will
 949  * cause the front end (if possible) to delay updating the screen
 950  * until it's all complete, thus avoiding flicker.
 951  */
 952 void dlg_update_start(union control *ctrl, void *dlg)
 953 {
 954     /*
 955      * Apparently we can't do this at all in GTK. GtkCList supports
 956      * freeze and thaw, but not GtkList. Bah.
 957      */
 958 }
 959
 960 void dlg_update_done(union control *ctrl, void *dlg)
 961 {
 962     /*
 963      * Apparently we can't do this at all in GTK. GtkCList supports
 964      * freeze and thaw, but not GtkList. Bah.
 965      */
 966 }
 967
 968 void dlg_set_focus(union control *ctrl, void *dlg)
 969 {
 970     struct dlgparam *dp = (struct dlgparam *)dlg;
 971     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 972
 973     switch (ctrl->generic.type) {
 974       case CTRL_CHECKBOX:
 975       case CTRL_BUTTON:
 976         /* Check boxes and buttons get the focus _and_ get toggled. */
 977         gtk_widget_grab_focus(uc->toplevel);
 978         break;
 979       case CTRL_FILESELECT:
 980       case CTRL_FONTSELECT:
 981       case CTRL_EDITBOX:
 982         if (uc->entry) {
 983             /* Anything containing an edit box gets that focused. */
 984             gtk_widget_grab_focus(uc->entry);
 985         }
 986 #if GTK_CHECK_VERSION(2,4,0)
 987         else if (uc->combo) {
 988             /* Failing that, there'll be a combo box. */
 989             gtk_widget_grab_focus(uc->combo);
 990         }
 991 #endif
 992         break;
 993       case CTRL_RADIO:
 994         /*
 995          * Radio buttons: we find the currently selected button and
 996          * focus it.
 997          */
 998         {
 999             int i;
1000             for (i = 0; i < ctrl->radio.nbuttons; i++)
1001                 if (gtk_toggle_button_get_active
1002                     (GTK_TOGGLE_BUTTON(uc->buttons[i]))) {
1003                     gtk_widget_grab_focus(uc->buttons[i]);
1004                 }
1005         }
1006         break;
1007       case CTRL_LISTBOX:
1008 #if !GTK_CHECK_VERSION(2,4,0)
1009         if (uc->optmenu) {
1010             gtk_widget_grab_focus(uc->optmenu);
1011             break;
1012         }
1013 #else
1014         if (uc->combo) {
1015             gtk_widget_grab_focus(uc->combo);
1016             break;
1017         }
1018 #endif
1019 #if !GTK_CHECK_VERSION(2,0,0)
1020         if (uc->list) {
1021             /*
1022              * For GTK-1 style list boxes, we tell it to focus one
1023              * of its children, which appears to do the Right
1024              * Thing.
1025              */
1026             gtk_container_focus(GTK_CONTAINER(uc->list), GTK_DIR_TAB_FORWARD);
1027             break;
1028         }
1029 #else
1030         if (uc->treeview) {
1031             gtk_widget_grab_focus(uc->treeview);
1032             break;
1033         }
1034 #endif
1035         assert(!"We shouldn't get here");
1036         break;
1037     }
1038 }
1039
1040 /*
1041  * During event processing, you might well want to give an error
1042  * indication to the user. dlg_beep() is a quick and easy generic
1043  * error; dlg_error() puts up a message-box or equivalent.
1044  */
1045 void dlg_beep(void *dlg)
1046 {
1047     gdk_beep();
1048 }
1049
1050 static void errmsg_button_clicked(GtkButton *button, gpointer data)
1051 {
1052     gtk_widget_destroy(GTK_WIDGET(data));
1053 }
1054
1055 static void set_transient_window_pos(GtkWidget *parent, GtkWidget *child)
1056 {
1057     gint x, y, w, h, dx, dy;
1058     GtkRequisition req;
1059     gtk_window_set_position(GTK_WINDOW(child), GTK_WIN_POS_NONE);
1060     gtk_widget_size_request(GTK_WIDGET(child), &req);
1061
1062     gdk_window_get_origin(GTK_WIDGET(parent)->window, &x, &y);
1063     gdk_window_get_size(GTK_WIDGET(parent)->window, &w, &h);
1064
1065     /*
1066      * One corner of the transient will be offset inwards, by 1/4
1067      * of the parent window's size, from the corresponding corner
1068      * of the parent window. The corner will be chosen so as to
1069      * place the transient closer to the centre of the screen; this
1070      * should avoid transients going off the edge of the screen on
1071      * a regular basis.
1072      */
1073     if (x + w/2 < gdk_screen_width() / 2)
1074         dx = x + w/4;                  /* work from left edges */
1075     else
1076         dx = x + 3*w/4 - req.width;    /* work from right edges */
1077     if (y + h/2 < gdk_screen_height() / 2)
1078         dy = y + h/4;                  /* work from top edges */
1079     else
1080         dy = y + 3*h/4 - req.height;   /* work from bottom edges */
1081     gtk_widget_set_uposition(GTK_WIDGET(child), dx, dy);
1082 }
1083
1084 void dlg_error_msg(void *dlg, char *msg)
1085 {
1086     struct dlgparam *dp = (struct dlgparam *)dlg;
1087     GtkWidget *window, *hbox, *text, *ok;
1088
1089     window = gtk_dialog_new();
1090     text = gtk_label_new(msg);
1091     gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
1092     hbox = gtk_hbox_new(FALSE, 0);
1093     gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
1094     gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
1095                        hbox, FALSE, FALSE, 20);
1096     gtk_widget_show(text);
1097     gtk_widget_show(hbox);
1098     gtk_window_set_title(GTK_WINDOW(window), "Error");
1099     gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
1100     ok = gtk_button_new_with_label("OK");
1101     gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
1102                      ok, FALSE, FALSE, 0);
1103     gtk_widget_show(ok);
1104     GTK_WIDGET_SET_FLAGS(ok, GTK_CAN_DEFAULT);
1105     gtk_window_set_default(GTK_WINDOW(window), ok);
1106     gtk_signal_connect(GTK_OBJECT(ok), "clicked",
1107                        GTK_SIGNAL_FUNC(errmsg_button_clicked), window);
1108     gtk_signal_connect(GTK_OBJECT(window), "destroy",
1109                        GTK_SIGNAL_FUNC(window_destroy), NULL);
1110     gtk_window_set_modal(GTK_WINDOW(window), TRUE);
1111     gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(dp->window));
1112     set_transient_window_pos(dp->window, window);
1113     gtk_widget_show(window);
1114     gtk_main();
1115 }
1116
1117 /*
1118  * This function signals to the front end that the dialog's
1119  * processing is completed, and passes an integer value (typically
1120  * a success status).
1121  */
1122 void dlg_end(void *dlg, int value)
1123 {
1124     struct dlgparam *dp = (struct dlgparam *)dlg;
1125     dp->retval = value;
1126     gtk_widget_destroy(dp->window);
1127 }
1128
1129 void dlg_refresh(union control *ctrl, void *dlg)
1130 {
1131     struct dlgparam *dp = (struct dlgparam *)dlg;
1132     struct uctrl *uc;
1133
1134     if (ctrl) {
1135         if (ctrl->generic.handler != NULL)
1136             ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH);
1137     } else {
1138         int i;
1139
1140         for (i = 0; (uc = index234(dp->byctrl, i)) != NULL; i++) {
1141             assert(uc->ctrl != NULL);
1142             if (uc->ctrl->generic.handler != NULL)
1143                 uc->ctrl->generic.handler(uc->ctrl, dp,
1144                                           dp->data, EVENT_REFRESH);
1145         }
1146     }
1147 }
1148
1149 void dlg_coloursel_start(union control *ctrl, void *dlg, int r, int g, int b)
1150 {
1151     struct dlgparam *dp = (struct dlgparam *)dlg;
1152     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
1153     gdouble cvals[4];
1154
1155     GtkWidget *coloursel =
1156         gtk_color_selection_dialog_new("Select a colour");
1157     GtkColorSelectionDialog *ccs = GTK_COLOR_SELECTION_DIALOG(coloursel);
1158
1159     dp->coloursel_result.ok = FALSE;
1160
1161     gtk_window_set_modal(GTK_WINDOW(coloursel), TRUE);
1162 #if GTK_CHECK_VERSION(2,0,0)
1163     gtk_color_selection_set_has_opacity_control(GTK_COLOR_SELECTION(ccs->colorsel), FALSE);
1164 #else
1165     gtk_color_selection_set_opacity(GTK_COLOR_SELECTION(ccs->colorsel), FALSE);
1166 #endif
1167     cvals[0] = r / 255.0;
1168     cvals[1] = g / 255.0;
1169     cvals[2] = b / 255.0;
1170     cvals[3] = 1.0;                    /* fully opaque! */
1171     gtk_color_selection_set_color(GTK_COLOR_SELECTION(ccs->colorsel), cvals);
1172
1173     gtk_object_set_data(GTK_OBJECT(ccs->ok_button), "user-data",
1174                         (gpointer)coloursel);
1175     gtk_object_set_data(GTK_OBJECT(ccs->cancel_button), "user-data",
1176                         (gpointer)coloursel);
1177     gtk_object_set_data(GTK_OBJECT(coloursel), "user-data", (gpointer)uc);
1178     gtk_signal_connect(GTK_OBJECT(ccs->ok_button), "clicked",
1179                        GTK_SIGNAL_FUNC(coloursel_ok), (gpointer)dp);
1180     gtk_signal_connect(GTK_OBJECT(ccs->cancel_button), "clicked",
1181                        GTK_SIGNAL_FUNC(coloursel_cancel), (gpointer)dp);
1182     gtk_signal_connect_object(GTK_OBJECT(ccs->ok_button), "clicked",
1183                               GTK_SIGNAL_FUNC(gtk_widget_destroy),
1184                               (gpointer)coloursel);
1185     gtk_signal_connect_object(GTK_OBJECT(ccs->cancel_button), "clicked",
1186                               GTK_SIGNAL_FUNC(gtk_widget_destroy),
1187                               (gpointer)coloursel);
1188     gtk_widget_show(coloursel);
1189 }
1190
1191 int dlg_coloursel_results(union control *ctrl, void *dlg,
1192                           int *r, int *g, int *b)
1193 {
1194     struct dlgparam *dp = (struct dlgparam *)dlg;
1195     if (dp->coloursel_result.ok) {
1196         *r = dp->coloursel_result.r;
1197         *g = dp->coloursel_result.g;
1198         *b = dp->coloursel_result.b;
1199         return 1;
1200     } else
1201         return 0;
1202 }
1203
1204 /* ----------------------------------------------------------------------
1205  * Signal handlers while the dialog box is active.
1206  */
1207
1208 static gboolean widget_focus(GtkWidget *widget, GdkEventFocus *event,
1209                              gpointer data)
1210 {
1211     struct dlgparam *dp = (struct dlgparam *)data;
1212     struct uctrl *uc = dlg_find_bywidget(dp, widget);
1213     union control *focus;
1214
1215     if (uc && uc->ctrl)
1216         focus = uc->ctrl;
1217     else
1218         focus = NULL;
1219
1220     if (focus != dp->currfocus) {
1221         dp->lastfocus = dp->currfocus;
1222         dp->currfocus = focus;
1223     }
1224
1225     return FALSE;
1226 }
1227
1228 static void button_clicked(GtkButton *button, gpointer data)
1229 {
1230     struct dlgparam *dp = (struct dlgparam *)data;
1231     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1232     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_ACTION);
1233 }
1234
1235 static void button_toggled(GtkToggleButton *tb, gpointer data)
1236 {
1237     struct dlgparam *dp = (struct dlgparam *)data;
1238     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(tb));
1239     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_VALCHANGE);
1240 }
1241
1242 static gboolean editbox_key(GtkWidget *widget, GdkEventKey *event,
1243                             gpointer data)
1244 {
1245     /*
1246      * GtkEntry has a nasty habit of eating the Return key, which
1247      * is unhelpful since it doesn't actually _do_ anything with it
1248      * (it calls gtk_widget_activate, but our edit boxes never need
1249      * activating). So I catch Return before GtkEntry sees it, and
1250      * pass it straight on to the parent widget. Effect: hitting
1251      * Return in an edit box will now activate the default button
1252      * in the dialog just like it will everywhere else.
1253      */
1254     if (event->keyval == GDK_Return && widget->parent != NULL) {
1255         gboolean return_val;
1256         gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
1257         gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
1258                                 event, &return_val);
1259         return return_val;
1260     }
1261     return FALSE;
1262 }
1263
1264 static void editbox_changed(GtkEditable *ed, gpointer data)
1265 {
1266     struct dlgparam *dp = (struct dlgparam *)data;
1267     if (!(dp->flags & FLAG_UPDATING_COMBO_LIST)) {
1268         struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(ed));
1269         uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_VALCHANGE);
1270     }
1271 }
1272
1273 static gboolean editbox_lostfocus(GtkWidget *ed, GdkEventFocus *event,
1274                                   gpointer data)
1275 {
1276     struct dlgparam *dp = (struct dlgparam *)data;
1277     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(ed));
1278     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_REFRESH);
1279     return FALSE;
1280 }
1281
1282 #if !GTK_CHECK_VERSION(2,0,0)
1283
1284 /*
1285  * GTK 1 list box event handlers.
1286  */
1287
1288 static gboolean listitem_key(GtkWidget *item, GdkEventKey *event,
1289                              gpointer data, int multiple)
1290 {
1291     GtkAdjustment *adj = GTK_ADJUSTMENT(data);
1292
1293     if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
1294         event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
1295         event->keyval == GDK_Page_Up || event->keyval == GDK_KP_Page_Up ||
1296         event->keyval == GDK_Page_Down || event->keyval == GDK_KP_Page_Down) {
1297         /*
1298          * Up, Down, PgUp or PgDn have been pressed on a ListItem
1299          * in a list box. So, if the list box is single-selection:
1300          *
1301          *  - if the list item in question isn't already selected,
1302          *    we simply select it.
1303          *  - otherwise, we find the next one (or next
1304          *    however-far-away) in whichever direction we're going,
1305          *    and select that.
1306          *     + in this case, we must also fiddle with the
1307          *       scrollbar to ensure the newly selected item is
1308          *       actually visible.
1309          *
1310          * If it's multiple-selection, we do all of the above
1311          * except actually selecting anything, so we move the focus
1312          * and fiddle the scrollbar to follow it.
1313          */
1314         GtkWidget *list = item->parent;
1315
1316         gtk_signal_emit_stop_by_name(GTK_OBJECT(item), "key_press_event");
1317
1318         if (!multiple &&
1319             GTK_WIDGET_STATE(item) != GTK_STATE_SELECTED) {
1320                 gtk_list_select_child(GTK_LIST(list), item);
1321         } else {
1322             int direction =
1323                 (event->keyval==GDK_Up || event->keyval==GDK_KP_Up ||
1324                  event->keyval==GDK_Page_Up || event->keyval==GDK_KP_Page_Up)
1325                 ? -1 : +1;
1326             int step =
1327                 (event->keyval==GDK_Page_Down ||
1328                  event->keyval==GDK_KP_Page_Down ||
1329                  event->keyval==GDK_Page_Up || event->keyval==GDK_KP_Page_Up)
1330                 ? 2 : 1;
1331             int i, n;
1332             GList *children, *chead;
1333
1334             chead = children = gtk_container_children(GTK_CONTAINER(list));
1335
1336             n = g_list_length(children);
1337
1338             if (step == 2) {
1339                 /*
1340                  * Figure out how many list items to a screenful,
1341                  * and adjust the step appropriately.
1342                  */
1343                 step = 0.5 + adj->page_size * n / (adj->upper - adj->lower);
1344                 step--;                /* go by one less than that */
1345             }
1346
1347             i = 0;
1348             while (children != NULL) {
1349                 if (item == children->data)
1350                     break;
1351                 children = children->next;
1352                 i++;
1353             }
1354
1355             while (step > 0) {
1356                 if (direction < 0 && i > 0)
1357                     children = children->prev, i--;
1358                 else if (direction > 0 && i < n-1)
1359                     children = children->next, i++;
1360                 step--;
1361             }
1362
1363             if (children && children->data) {
1364                 if (!multiple)
1365                     gtk_list_select_child(GTK_LIST(list),
1366                                           GTK_WIDGET(children->data));
1367                 gtk_widget_grab_focus(GTK_WIDGET(children->data));
1368                 gtk_adjustment_clamp_page
1369                     (adj,
1370                      adj->lower + (adj->upper-adj->lower) * i / n,
1371                      adj->lower + (adj->upper-adj->lower) * (i+1) / n);
1372             }
1373
1374             g_list_free(chead);
1375         }
1376         return TRUE;
1377     }
1378
1379     return FALSE;
1380 }
1381
1382 static gboolean listitem_single_key(GtkWidget *item, GdkEventKey *event,
1383                                     gpointer data)
1384 {
1385     return listitem_key(item, event, data, FALSE);
1386 }
1387
1388 static gboolean listitem_multi_key(GtkWidget *item, GdkEventKey *event,
1389                                    gpointer data)
1390 {
1391     return listitem_key(item, event, data, TRUE);
1392 }
1393
1394 static gboolean listitem_button_press(GtkWidget *item, GdkEventButton *event,
1395                                       gpointer data)
1396 {
1397     struct dlgparam *dp = (struct dlgparam *)data;
1398     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(item));
1399     switch (event->type) {
1400     default:
1401     case GDK_BUTTON_PRESS: uc->nclicks = 1; break;
1402     case GDK_2BUTTON_PRESS: uc->nclicks = 2; break;
1403     case GDK_3BUTTON_PRESS: uc->nclicks = 3; break;
1404     }
1405     return FALSE;
1406 }
1407
1408 static gboolean listitem_button_release(GtkWidget *item, GdkEventButton *event,
1409                                         gpointer data)
1410 {
1411     struct dlgparam *dp = (struct dlgparam *)data;
1412     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(item));
1413     if (uc->nclicks>1) {
1414         uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_ACTION);
1415         return TRUE;
1416     }
1417     return FALSE;
1418 }
1419
1420 static void list_selchange(GtkList *list, gpointer data)
1421 {
1422     struct dlgparam *dp = (struct dlgparam *)data;
1423     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(list));
1424     if (!uc) return;
1425     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_SELCHANGE);
1426 }
1427
1428 static void draglist_move(struct dlgparam *dp, struct uctrl *uc, int direction)
1429 {
1430     int index = dlg_listbox_index(uc->ctrl, dp);
1431     GList *children = gtk_container_children(GTK_CONTAINER(uc->list));
1432     GtkWidget *child;
1433
1434     if ((index < 0) ||
1435         (index == 0 && direction < 0) ||
1436         (index == g_list_length(children)-1 && direction > 0)) {
1437         gdk_beep();
1438         return;
1439     }
1440
1441     child = g_list_nth_data(children, index);
1442     gtk_widget_ref(child);
1443     gtk_list_clear_items(GTK_LIST(uc->list), index, index+1);
1444     g_list_free(children);
1445
1446     children = NULL;
1447     children = g_list_append(children, child);
1448     gtk_list_insert_items(GTK_LIST(uc->list), children, index + direction);
1449     gtk_list_select_item(GTK_LIST(uc->list), index + direction);
1450     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_VALCHANGE);
1451 }
1452
1453 static void draglist_up(GtkButton *button, gpointer data)
1454 {
1455     struct dlgparam *dp = (struct dlgparam *)data;
1456     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1457     draglist_move(dp, uc, -1);
1458 }
1459
1460 static void draglist_down(GtkButton *button, gpointer data)
1461 {
1462     struct dlgparam *dp = (struct dlgparam *)data;
1463     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1464     draglist_move(dp, uc, +1);
1465 }
1466
1467 #else /* !GTK_CHECK_VERSION(2,0,0) */
1468
1469 /*
1470  * GTK 2 list box event handlers.
1471  */
1472
1473 static void listbox_doubleclick(GtkTreeView *treeview, GtkTreePath *path,
1474                                 GtkTreeViewColumn *column, gpointer data)
1475 {
1476     struct dlgparam *dp = (struct dlgparam *)data;
1477     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(treeview));
1478     if (uc)
1479         uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_ACTION);
1480 }
1481
1482 static void listbox_selchange(GtkTreeSelection *treeselection,
1483                               gpointer data)
1484 {
1485     struct dlgparam *dp = (struct dlgparam *)data;
1486     GtkTreeView *tree = gtk_tree_selection_get_tree_view(treeselection);
1487     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(tree));
1488     if (uc)
1489         uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_SELCHANGE);
1490 }
1491
1492 struct draglist_valchange_ctx {
1493     struct uctrl *uc;
1494     struct dlgparam *dp;
1495 };
1496
1497 static gboolean draglist_valchange(gpointer data)
1498 {
1499     struct draglist_valchange_ctx *ctx =
1500         (struct draglist_valchange_ctx *)data;
1501
1502     ctx->uc->ctrl->generic.handler(ctx->uc->ctrl, ctx->dp,
1503                                    ctx->dp->data, EVENT_VALCHANGE);
1504
1505     sfree(ctx);
1506
1507     return FALSE;
1508 }
1509
1510 static void listbox_reorder(GtkTreeModel *treemodel, GtkTreePath *path,
1511                             GtkTreeIter *iter, gpointer data)
1512 {
1513     struct dlgparam *dp = (struct dlgparam *)data;
1514     gpointer tree;
1515     struct uctrl *uc;
1516
1517     if (dp->flags & FLAG_UPDATING_LISTBOX)
1518         return;                        /* not a user drag operation */
1519
1520     tree = g_object_get_data(G_OBJECT(treemodel), "user-data");
1521     uc = dlg_find_bywidget(dp, GTK_WIDGET(tree));
1522     if (uc) {
1523         /*
1524          * We should cause EVENT_VALCHANGE on the list box, now
1525          * that its rows have been reordered. However, the GTK 2
1526          * docs say that at the point this signal is received the
1527          * new row might not have actually been filled in yet.
1528          *
1529          * (So what smegging use is it then, eh? Don't suppose it
1530          * occurred to you at any point that letting the
1531          * application know _after_ the reordering was compelete
1532          * might be helpful to someone?)
1533          *
1534          * To get round this, I schedule an idle function, which I
1535          * hope won't be called until the main event loop is
1536          * re-entered after the drag-and-drop handler has finished
1537          * furtling with the list store.
1538          */
1539         struct draglist_valchange_ctx *ctx =
1540             snew(struct draglist_valchange_ctx);
1541         ctx->uc = uc;
1542         ctx->dp = dp;
1543         g_idle_add(draglist_valchange, ctx);
1544     }
1545 }
1546
1547 #endif /* !GTK_CHECK_VERSION(2,0,0) */
1548
1549 #if !GTK_CHECK_VERSION(2,4,0)
1550
1551 static void menuitem_activate(GtkMenuItem *item, gpointer data)
1552 {
1553     struct dlgparam *dp = (struct dlgparam *)data;
1554     GtkWidget *menushell = GTK_WIDGET(item)->parent;
1555     gpointer optmenu = gtk_object_get_data(GTK_OBJECT(menushell), "user-data");
1556     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(optmenu));
1557     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_SELCHANGE);
1558 }
1559
1560 #else
1561
1562 static void droplist_selchange(GtkComboBox *combo, gpointer data)
1563 {
1564     struct dlgparam *dp = (struct dlgparam *)data;
1565     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(combo));
1566     if (uc)
1567         uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_SELCHANGE);
1568 }
1569
1570 #endif /* !GTK_CHECK_VERSION(2,4,0) */
1571
1572 static void filesel_ok(GtkButton *button, gpointer data)
1573 {
1574     /* struct dlgparam *dp = (struct dlgparam *)data; */
1575     gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1576     struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(filesel), "user-data");
1577     const char *name = gtk_file_selection_get_filename
1578         (GTK_FILE_SELECTION(filesel));
1579     gtk_entry_set_text(GTK_ENTRY(uc->entry), name);
1580 }
1581
1582 static void fontsel_ok(GtkButton *button, gpointer data)
1583 {
1584     /* struct dlgparam *dp = (struct dlgparam *)data; */
1585
1586 #if !GTK_CHECK_VERSION(2,0,0)
1587
1588     gpointer fontsel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1589     struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(fontsel), "user-data");
1590     const char *name = gtk_font_selection_dialog_get_font_name
1591         (GTK_FONT_SELECTION_DIALOG(fontsel));
1592     gtk_entry_set_text(GTK_ENTRY(uc->entry), name);
1593
1594 #else
1595
1596     unifontsel *fontsel = (unifontsel *)gtk_object_get_data
1597         (GTK_OBJECT(button), "user-data");
1598     struct uctrl *uc = (struct uctrl *)fontsel->user_data;
1599     char *name = unifontsel_get_name(fontsel);
1600     assert(name);              /* should always be ok after OK pressed */
1601     gtk_entry_set_text(GTK_ENTRY(uc->entry), name);
1602     sfree(name);
1603
1604 #endif
1605 }
1606
1607 static void coloursel_ok(GtkButton *button, gpointer data)
1608 {
1609     struct dlgparam *dp = (struct dlgparam *)data;
1610     gpointer coloursel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1611     struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(coloursel), "user-data");
1612     gdouble cvals[4];
1613     gtk_color_selection_get_color
1614         (GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(coloursel)->colorsel),
1615          cvals);
1616     dp->coloursel_result.r = (int) (255 * cvals[0]);
1617     dp->coloursel_result.g = (int) (255 * cvals[1]);
1618     dp->coloursel_result.b = (int) (255 * cvals[2]);
1619     dp->coloursel_result.ok = TRUE;
1620     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_CALLBACK);
1621 }
1622
1623 static void coloursel_cancel(GtkButton *button, gpointer data)
1624 {
1625     struct dlgparam *dp = (struct dlgparam *)data;
1626     gpointer coloursel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1627     struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(coloursel), "user-data");
1628     dp->coloursel_result.ok = FALSE;
1629     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_CALLBACK);
1630 }
1631
1632 static void filefont_clicked(GtkButton *button, gpointer data)
1633 {
1634     struct dlgparam *dp = (struct dlgparam *)data;
1635     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1636
1637     if (uc->ctrl->generic.type == CTRL_FILESELECT) {
1638         GtkWidget *filesel =
1639             gtk_file_selection_new(uc->ctrl->fileselect.title);
1640         gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1641         gtk_object_set_data
1642             (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1643              (gpointer)filesel);
1644         gtk_object_set_data(GTK_OBJECT(filesel), "user-data", (gpointer)uc);
1645         gtk_signal_connect
1646             (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1647              GTK_SIGNAL_FUNC(filesel_ok), (gpointer)dp);
1648         gtk_signal_connect_object
1649             (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1650              GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1651         gtk_signal_connect_object
1652             (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1653              GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1654         gtk_widget_show(filesel);
1655     }
1656
1657     if (uc->ctrl->generic.type == CTRL_FONTSELECT) {
1658         const gchar *fontname = gtk_entry_get_text(GTK_ENTRY(uc->entry));
1659
1660 #if !GTK_CHECK_VERSION(2,0,0)
1661
1662         /*
1663          * Use the GTK 1 standard font selector.
1664          */
1665
1666         gchar *spacings[] = { "c", "m", NULL };
1667         GtkWidget *fontsel =
1668             gtk_font_selection_dialog_new("Select a font");
1669         gtk_window_set_modal(GTK_WINDOW(fontsel), TRUE);
1670         gtk_font_selection_dialog_set_filter
1671             (GTK_FONT_SELECTION_DIALOG(fontsel),
1672              GTK_FONT_FILTER_BASE, GTK_FONT_ALL,
1673              NULL, NULL, NULL, NULL, spacings, NULL);
1674         if (!gtk_font_selection_dialog_set_font_name
1675             (GTK_FONT_SELECTION_DIALOG(fontsel), fontname)) {
1676             /*
1677              * If the font name wasn't found as it was, try opening
1678              * it and extracting its FONT property. This should
1679              * have the effect of mapping short aliases into true
1680              * XLFDs.
1681              */
1682             GdkFont *font = gdk_font_load(fontname);
1683             if (font) {
1684                 XFontStruct *xfs = GDK_FONT_XFONT(font);
1685                 Display *disp = GDK_FONT_XDISPLAY(font);
1686                 Atom fontprop = XInternAtom(disp, "FONT", False);
1687                 unsigned long ret;
1688                 gdk_font_ref(font);
1689                 if (XGetFontProperty(xfs, fontprop, &ret)) {
1690                     char *name = XGetAtomName(disp, (Atom)ret);
1691                     if (name)
1692                         gtk_font_selection_dialog_set_font_name
1693                         (GTK_FONT_SELECTION_DIALOG(fontsel), name);
1694                 }
1695                 gdk_font_unref(font);
1696             }
1697         }
1698         gtk_object_set_data
1699             (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->ok_button),
1700              "user-data", (gpointer)fontsel);
1701         gtk_object_set_data(GTK_OBJECT(fontsel), "user-data", (gpointer)uc);
1702         gtk_signal_connect
1703             (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->ok_button),
1704              "clicked", GTK_SIGNAL_FUNC(fontsel_ok), (gpointer)dp);
1705         gtk_signal_connect_object
1706             (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->ok_button),
1707              "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy),
1708              (gpointer)fontsel);
1709         gtk_signal_connect_object
1710             (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->cancel_button),
1711              "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy),
1712              (gpointer)fontsel);
1713         gtk_widget_show(fontsel);
1714
1715 #else /* !GTK_CHECK_VERSION(2,0,0) */
1716
1717         /*
1718          * Use the unifontsel code provided in gtkfont.c.
1719          */
1720
1721         unifontsel *fontsel = unifontsel_new("Select a font");
1722
1723         gtk_window_set_modal(fontsel->window, TRUE);
1724         unifontsel_set_name(fontsel, fontname);
1725
1726         gtk_object_set_data(GTK_OBJECT(fontsel->ok_button),
1727                             "user-data", (gpointer)fontsel);
1728         fontsel->user_data = uc;
1729         gtk_signal_connect(GTK_OBJECT(fontsel->ok_button), "clicked",
1730                            GTK_SIGNAL_FUNC(fontsel_ok), (gpointer)dp);
1731         gtk_signal_connect_object(GTK_OBJECT(fontsel->ok_button), "clicked",
1732                                   GTK_SIGNAL_FUNC(unifontsel_destroy),
1733                                   (gpointer)fontsel);
1734         gtk_signal_connect_object(GTK_OBJECT(fontsel->cancel_button),"clicked",
1735                                   GTK_SIGNAL_FUNC(unifontsel_destroy),
1736                                   (gpointer)fontsel);
1737
1738         gtk_widget_show(GTK_WIDGET(fontsel->window));
1739
1740 #endif /* !GTK_CHECK_VERSION(2,0,0) */
1741
1742     }
1743 }
1744
1745 static void label_sizealloc(GtkWidget *widget, GtkAllocation *alloc,
1746                             gpointer data)
1747 {
1748     struct dlgparam *dp = (struct dlgparam *)data;
1749     struct uctrl *uc = dlg_find_bywidget(dp, widget);
1750
1751     gtk_widget_set_usize(uc->text, alloc->width, -1);
1752     gtk_label_set_text(GTK_LABEL(uc->text), uc->ctrl->generic.label);
1753     gtk_signal_disconnect(GTK_OBJECT(uc->text), uc->textsig);
1754 }
1755
1756 /* ----------------------------------------------------------------------
1757  * This function does the main layout work: it reads a controlset,
1758  * it creates the relevant GTK controls, and returns a GtkWidget
1759  * containing the result. (This widget might be a title of some
1760  * sort, it might be a Columns containing many controls, or it
1761  * might be a GtkFrame containing a Columns; whatever it is, it's
1762  * definitely a GtkWidget and should probably be added to a
1763  * GtkVbox.)
1764  *
1765  * `win' is required for setting the default button. If it is
1766  * non-NULL, all buttons created will be default-capable (so they
1767  * have extra space round them for the default highlight).
1768  */
1769 GtkWidget *layout_ctrls(struct dlgparam *dp, struct Shortcuts *scs,
1770                         struct controlset *s, GtkWindow *win)
1771 {
1772     Columns *cols;
1773     GtkWidget *ret;
1774     int i;
1775
1776     if (!s->boxname && s->boxtitle) {
1777         /* This controlset is a panel title. */
1778         return gtk_label_new(s->boxtitle);
1779     }
1780
1781     /*
1782      * Otherwise, we expect to be laying out actual controls, so
1783      * we'll start by creating a Columns for the purpose.
1784      */
1785     cols = COLUMNS(columns_new(4));
1786     ret = GTK_WIDGET(cols);
1787     gtk_widget_show(ret);
1788
1789     /*
1790      * Create a containing frame if we have a box name.
1791      */
1792     if (*s->boxname) {
1793         ret = gtk_frame_new(s->boxtitle);   /* NULL is valid here */
1794         gtk_container_set_border_width(GTK_CONTAINER(cols), 4);
1795         gtk_container_add(GTK_CONTAINER(ret), GTK_WIDGET(cols));
1796         gtk_widget_show(ret);
1797     }
1798
1799     /*
1800      * Now iterate through the controls themselves, create them,
1801      * and add them to the Columns.
1802      */
1803     for (i = 0; i < s->ncontrols; i++) {
1804         union control *ctrl = s->ctrls[i];
1805         struct uctrl *uc;
1806         int left = FALSE;
1807         GtkWidget *w = NULL;
1808
1809         switch (ctrl->generic.type) {
1810           case CTRL_COLUMNS:
1811             {
1812                 static const int simplecols[1] = { 100 };
1813                 columns_set_cols(cols, ctrl->columns.ncols,
1814                                  (ctrl->columns.percentages ?
1815                                   ctrl->columns.percentages : simplecols));
1816             }
1817             continue;                  /* no actual control created */
1818           case CTRL_TABDELAY:
1819             {
1820                 struct uctrl *uc = dlg_find_byctrl(dp, ctrl->tabdelay.ctrl);
1821                 if (uc)
1822                     columns_taborder_last(cols, uc->toplevel);
1823             }
1824             continue;                  /* no actual control created */
1825         }
1826
1827         uc = snew(struct uctrl);
1828         uc->ctrl = ctrl;
1829         uc->privdata = NULL;
1830         uc->privdata_needs_free = FALSE;
1831         uc->buttons = NULL;
1832         uc->entry = NULL;
1833 #if !GTK_CHECK_VERSION(2,4,0)
1834         uc->list = uc->menu = uc->optmenu = NULL;
1835 #else
1836         uc->combo = NULL;
1837 #endif
1838 #if GTK_CHECK_VERSION(2,0,0)
1839         uc->treeview = NULL;
1840         uc->listmodel = NULL;
1841 #endif
1842         uc->button = uc->text = NULL;
1843         uc->label = NULL;
1844         uc->nclicks = 0;
1845
1846         switch (ctrl->generic.type) {
1847           case CTRL_BUTTON:
1848             w = gtk_button_new_with_label(ctrl->generic.label);
1849             if (win) {
1850                 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
1851                 if (ctrl->button.isdefault)
1852                     gtk_window_set_default(win, w);
1853                 if (ctrl->button.iscancel)
1854                     dp->cancelbutton = w;
1855             }
1856             gtk_signal_connect(GTK_OBJECT(w), "clicked",
1857                                GTK_SIGNAL_FUNC(button_clicked), dp);
1858             gtk_signal_connect(GTK_OBJECT(w), "focus_in_event",
1859                                GTK_SIGNAL_FUNC(widget_focus), dp);
1860             shortcut_add(scs, GTK_BIN(w)->child, ctrl->button.shortcut,
1861                          SHORTCUT_UCTRL, uc);
1862             break;
1863           case CTRL_CHECKBOX:
1864             w = gtk_check_button_new_with_label(ctrl->generic.label);
1865             gtk_signal_connect(GTK_OBJECT(w), "toggled",
1866                                GTK_SIGNAL_FUNC(button_toggled), dp);
1867             gtk_signal_connect(GTK_OBJECT(w), "focus_in_event",
1868                                GTK_SIGNAL_FUNC(widget_focus), dp);
1869             shortcut_add(scs, GTK_BIN(w)->child, ctrl->checkbox.shortcut,
1870                          SHORTCUT_UCTRL, uc);
1871             left = TRUE;
1872             break;
1873           case CTRL_RADIO:
1874             /*
1875              * Radio buttons get to go inside their own Columns, no
1876              * matter what.
1877              */
1878             {
1879                 gint i, *percentages;
1880                 GSList *group;
1881
1882                 w = columns_new(0);
1883                 if (ctrl->generic.label) {
1884                     GtkWidget *label = gtk_label_new(ctrl->generic.label);
1885                     columns_add(COLUMNS(w), label, 0, 1);
1886                     columns_force_left_align(COLUMNS(w), label);
1887                     gtk_widget_show(label);
1888                     shortcut_add(scs, label, ctrl->radio.shortcut,
1889                                  SHORTCUT_UCTRL, uc);
1890                     uc->label = label;
1891                 }
1892                 percentages = g_new(gint, ctrl->radio.ncolumns);
1893                 for (i = 0; i < ctrl->radio.ncolumns; i++) {
1894                     percentages[i] =
1895                         ((100 * (i+1) / ctrl->radio.ncolumns) -
1896                          100 * i / ctrl->radio.ncolumns);
1897                 }
1898                 columns_set_cols(COLUMNS(w), ctrl->radio.ncolumns,
1899                                  percentages);
1900                 g_free(percentages);
1901                 group = NULL;
1902
1903                 uc->nbuttons = ctrl->radio.nbuttons;
1904                 uc->buttons = snewn(uc->nbuttons, GtkWidget *);
1905
1906                 for (i = 0; i < ctrl->radio.nbuttons; i++) {
1907                     GtkWidget *b;
1908                     gint colstart;
1909
1910                     b = (gtk_radio_button_new_with_label
1911                          (group, ctrl->radio.buttons[i]));
1912                     uc->buttons[i] = b;
1913                     group = gtk_radio_button_group(GTK_RADIO_BUTTON(b));
1914                     colstart = i % ctrl->radio.ncolumns;
1915                     columns_add(COLUMNS(w), b, colstart,
1916                                 (i == ctrl->radio.nbuttons-1 ?
1917                                  ctrl->radio.ncolumns - colstart : 1));
1918                     columns_force_left_align(COLUMNS(w), b);
1919                     gtk_widget_show(b);
1920                     gtk_signal_connect(GTK_OBJECT(b), "toggled",
1921                                        GTK_SIGNAL_FUNC(button_toggled), dp);
1922                     gtk_signal_connect(GTK_OBJECT(b), "focus_in_event",
1923                                        GTK_SIGNAL_FUNC(widget_focus), dp);
1924                     if (ctrl->radio.shortcuts) {
1925                         shortcut_add(scs, GTK_BIN(b)->child,
1926                                      ctrl->radio.shortcuts[i],
1927                                      SHORTCUT_UCTRL, uc);
1928                     }
1929                 }
1930             }
1931             break;
1932           case CTRL_EDITBOX:
1933             {
1934                 GtkRequisition req;
1935                 GtkWidget *signalobject;
1936
1937                 if (ctrl->editbox.has_list) {
1938 #if !GTK_CHECK_VERSION(2,4,0)
1939                     /*
1940                      * GTK 1 combo box.
1941                      */
1942                     w = gtk_combo_new();
1943                     gtk_combo_set_value_in_list(GTK_COMBO(w), FALSE, TRUE);
1944                     uc->entry = GTK_COMBO(w)->entry;
1945                     uc->list = GTK_COMBO(w)->list;
1946                     signalobject = uc->entry;
1947 #else
1948                     /*
1949                      * GTK 2 combo box.
1950                      */
1951                     uc->listmodel = gtk_list_store_new(2, G_TYPE_INT,
1952                                                        G_TYPE_STRING);
1953                     w = gtk_combo_box_entry_new_with_model
1954                         (GTK_TREE_MODEL(uc->listmodel), 1);
1955                     /* We cannot support password combo boxes. */
1956                     assert(!ctrl->editbox.password);
1957                     uc->combo = w;
1958                     signalobject = uc->combo;
1959 #endif
1960                 } else {
1961                     w = gtk_entry_new();
1962                     if (ctrl->editbox.password)
1963                         gtk_entry_set_visibility(GTK_ENTRY(w), FALSE);
1964                     uc->entry = w;
1965                     signalobject = w;
1966                 }
1967                 uc->entrysig =
1968                     gtk_signal_connect(GTK_OBJECT(signalobject), "changed",
1969                                        GTK_SIGNAL_FUNC(editbox_changed), dp);
1970                 gtk_signal_connect(GTK_OBJECT(signalobject), "key_press_event",
1971                                    GTK_SIGNAL_FUNC(editbox_key), dp);
1972                 gtk_signal_connect(GTK_OBJECT(signalobject), "focus_in_event",
1973                                    GTK_SIGNAL_FUNC(widget_focus), dp);
1974                 gtk_signal_connect(GTK_OBJECT(signalobject), "focus_out_event",
1975                                    GTK_SIGNAL_FUNC(editbox_lostfocus), dp);
1976                 gtk_signal_connect(GTK_OBJECT(signalobject), "focus_out_event",
1977                                    GTK_SIGNAL_FUNC(editbox_lostfocus), dp);
1978                 /*
1979                  * Edit boxes, for some strange reason, have a minimum
1980                  * width of 150 in GTK 1.2. We don't want this - we'd
1981                  * rather the edit boxes acquired their natural width
1982                  * from the column layout of the rest of the box.
1983                  *
1984                  * Also, while we're here, we'll squirrel away the
1985                  * edit box height so we can use that to centre its
1986                  * label vertically beside it.
1987                  */
1988                 gtk_widget_size_request(w, &req);
1989                 gtk_widget_set_usize(w, 10, req.height);
1990
1991                 if (ctrl->generic.label) {
1992                     GtkWidget *label, *container;
1993
1994                     label = gtk_label_new(ctrl->generic.label);
1995
1996                     shortcut_add(scs, label, ctrl->editbox.shortcut,
1997                                  SHORTCUT_FOCUS, uc->entry);
1998
1999                     container = columns_new(4);
2000                     if (ctrl->editbox.percentwidth == 100) {
2001                         columns_add(COLUMNS(container), label, 0, 1);
2002                         columns_force_left_align(COLUMNS(container), label);
2003                         columns_add(COLUMNS(container), w, 0, 1);
2004                     } else {
2005                         gint percentages[2];
2006                         percentages[1] = ctrl->editbox.percentwidth;
2007                         percentages[0] = 100 - ctrl->editbox.percentwidth;
2008                         columns_set_cols(COLUMNS(container), 2, percentages);
2009                         columns_add(COLUMNS(container), label, 0, 1);
2010                         columns_force_left_align(COLUMNS(container), label);
2011                         columns_add(COLUMNS(container), w, 1, 1);
2012                         /* Centre the label vertically. */
2013                         gtk_widget_set_usize(label, -1, req.height);
2014                         gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
2015                     }
2016                     gtk_widget_show(label);
2017                     gtk_widget_show(w);
2018
2019                     w = container;
2020                     uc->label = label;
2021                 }
2022             }
2023             break;
2024           case CTRL_FILESELECT:
2025           case CTRL_FONTSELECT:
2026             {
2027                 GtkWidget *ww;
2028                 GtkRequisition req;
2029                 char *browsebtn =
2030                     (ctrl->generic.type == CTRL_FILESELECT ?
2031                      "Browse..." : "Change...");
2032
2033                 gint percentages[] = { 75, 25 };
2034                 w = columns_new(4);
2035                 columns_set_cols(COLUMNS(w), 2, percentages);
2036
2037                 if (ctrl->generic.label) {
2038                     ww = gtk_label_new(ctrl->generic.label);
2039                     columns_add(COLUMNS(w), ww, 0, 2);
2040                     columns_force_left_align(COLUMNS(w), ww);
2041                     gtk_widget_show(ww);
2042                     shortcut_add(scs, ww,
2043                                  (ctrl->generic.type == CTRL_FILESELECT ?
2044                                   ctrl->fileselect.shortcut :
2045                                   ctrl->fontselect.shortcut),
2046                                  SHORTCUT_UCTRL, uc);
2047                     uc->label = ww;
2048                 }
2049
2050                 uc->entry = ww = gtk_entry_new();
2051                 gtk_widget_size_request(ww, &req);
2052                 gtk_widget_set_usize(ww, 10, req.height);
2053                 columns_add(COLUMNS(w), ww, 0, 1);
2054                 gtk_widget_show(ww);
2055
2056                 uc->button = ww = gtk_button_new_with_label(browsebtn);
2057                 columns_add(COLUMNS(w), ww, 1, 1);
2058                 gtk_widget_show(ww);
2059
2060                 gtk_signal_connect(GTK_OBJECT(uc->entry), "key_press_event",
2061                                    GTK_SIGNAL_FUNC(editbox_key), dp);
2062                 uc->entrysig =
2063                     gtk_signal_connect(GTK_OBJECT(uc->entry), "changed",
2064                                        GTK_SIGNAL_FUNC(editbox_changed), dp);
2065                 gtk_signal_connect(GTK_OBJECT(uc->entry), "focus_in_event",
2066                                    GTK_SIGNAL_FUNC(widget_focus), dp);
2067                 gtk_signal_connect(GTK_OBJECT(uc->button), "focus_in_event",
2068                                    GTK_SIGNAL_FUNC(widget_focus), dp);
2069                 gtk_signal_connect(GTK_OBJECT(ww), "clicked",
2070                                    GTK_SIGNAL_FUNC(filefont_clicked), dp);
2071             }
2072             break;
2073           case CTRL_LISTBOX:
2074
2075 #if GTK_CHECK_VERSION(2,0,0)
2076             /*
2077              * First construct the list data store, with the right
2078              * number of columns.
2079              */
2080 #  if !GTK_CHECK_VERSION(2,4,0)
2081             /* (For GTK 2.0 to 2.3, we do this for full listboxes only,
2082              * because combo boxes are still done the old GTK1 way.) */
2083             if (ctrl->listbox.height > 0)
2084 #  endif
2085             {
2086                 GType *types;
2087                 int i;
2088                 int cols;
2089
2090                 cols = ctrl->listbox.ncols;
2091                 cols = cols ? cols : 1;
2092                 types = snewn(1 + cols, GType);
2093
2094                 types[0] = G_TYPE_INT;
2095                 for (i = 0; i < cols; i++)
2096                     types[i+1] = G_TYPE_STRING;
2097
2098                 uc->listmodel = gtk_list_store_newv(1 + cols, types);
2099
2100                 sfree(types);
2101             }
2102 #endif
2103
2104             /*
2105              * See if it's a drop-down list (non-editable combo
2106              * box).
2107              */
2108             if (ctrl->listbox.height == 0) {
2109 #if !GTK_CHECK_VERSION(2,4,0)
2110                 /*
2111                  * GTK1 and early-GTK2 option-menu style of
2112                  * drop-down list.
2113                  */
2114                 uc->optmenu = w = gtk_option_menu_new();
2115                 uc->menu = gtk_menu_new();
2116                 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), uc->menu);
2117                 gtk_object_set_data(GTK_OBJECT(uc->menu), "user-data",
2118                                     (gpointer)uc->optmenu);
2119                 gtk_signal_connect(GTK_OBJECT(uc->optmenu), "focus_in_event",
2120                                    GTK_SIGNAL_FUNC(widget_focus), dp);
2121 #else
2122                 /*
2123                  * Late-GTK2 style using a GtkComboBox.
2124                  */
2125                 GtkCellRenderer *cr;
2126
2127                 /*
2128                  * Create a non-editable GtkComboBox (that is, not
2129                  * its subclass GtkComboBoxEntry).
2130                  */
2131                 w = gtk_combo_box_new_with_model
2132                     (GTK_TREE_MODEL(uc->listmodel));
2133                 uc->combo = w;
2134
2135                 /*
2136                  * Tell it how to render a list item (i.e. which
2137                  * column to look at in the list model).
2138                  */
2139                 cr = gtk_cell_renderer_text_new();
2140                 gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(w), cr, TRUE);
2141                 gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(w), cr,
2142                                                "text", 1, NULL);
2143
2144                 /*
2145                  * And tell it to notify us when the selection
2146                  * changes.
2147                  */
2148                 g_signal_connect(G_OBJECT(w), "changed",
2149                                  G_CALLBACK(droplist_selchange), dp);
2150 #endif
2151             } else {
2152 #if !GTK_CHECK_VERSION(2,0,0)
2153                 /*
2154                  * GTK1-style full list box.
2155                  */
2156                 uc->list = gtk_list_new();
2157                 if (ctrl->listbox.multisel == 2) {
2158                     gtk_list_set_selection_mode(GTK_LIST(uc->list),
2159                                                 GTK_SELECTION_EXTENDED);
2160                 } else if (ctrl->listbox.multisel == 1) {
2161                     gtk_list_set_selection_mode(GTK_LIST(uc->list),
2162                                                 GTK_SELECTION_MULTIPLE);
2163                 } else {
2164                     gtk_list_set_selection_mode(GTK_LIST(uc->list),
2165                                                 GTK_SELECTION_SINGLE);
2166                 }
2167                 w = gtk_scrolled_window_new(NULL, NULL);
2168                 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(w),
2169                                                       uc->list);
2170                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(w),
2171                                                GTK_POLICY_NEVER,
2172                                                GTK_POLICY_AUTOMATIC);
2173                 uc->adj = gtk_scrolled_window_get_vadjustment
2174                     (GTK_SCROLLED_WINDOW(w));
2175
2176                 gtk_widget_show(uc->list);
2177                 gtk_signal_connect(GTK_OBJECT(uc->list), "selection-changed",
2178                                    GTK_SIGNAL_FUNC(list_selchange), dp);
2179                 gtk_signal_connect(GTK_OBJECT(uc->list), "focus_in_event",
2180                                    GTK_SIGNAL_FUNC(widget_focus), dp);
2181
2182                 /*
2183                  * Adjust the height of the scrolled window to the
2184                  * minimum given by the height parameter.
2185                  *
2186                  * This piece of guesswork is a horrid hack based
2187                  * on looking inside the GTK 1.2 sources
2188                  * (specifically gtkviewport.c, which appears to be
2189                  * the widget which provides the border around the
2190                  * scrolling area). Anyone lets me know how I can
2191                  * do this in a way which isn't at risk from GTK
2192                  * upgrades, I'd be grateful.
2193                  */
2194                 {
2195                     int edge;
2196                     edge = GTK_WIDGET(uc->list)->style->klass->ythickness;
2197                     gtk_widget_set_usize(w, 10,
2198                                          2*edge + (ctrl->listbox.height *
2199                                                    get_listitemheight(w)));
2200                 }
2201
2202                 if (ctrl->listbox.draglist) {
2203                     /*
2204                      * GTK doesn't appear to make it easy to
2205                      * implement a proper draggable list; so
2206                      * instead I'm just going to have to put an Up
2207                      * and a Down button to the right of the actual
2208                      * list box. Ah well.
2209                      */
2210                     GtkWidget *cols, *button;
2211                     static const gint percentages[2] = { 80, 20 };
2212
2213                     cols = columns_new(4);
2214                     columns_set_cols(COLUMNS(cols), 2, percentages);
2215                     columns_add(COLUMNS(cols), w, 0, 1);
2216                     gtk_widget_show(w);
2217                     button = gtk_button_new_with_label("Up");
2218                     columns_add(COLUMNS(cols), button, 1, 1);
2219                     gtk_widget_show(button);
2220                     gtk_signal_connect(GTK_OBJECT(button), "clicked",
2221                                        GTK_SIGNAL_FUNC(draglist_up), dp);
2222                     gtk_signal_connect(GTK_OBJECT(button), "focus_in_event",
2223                                        GTK_SIGNAL_FUNC(widget_focus), dp);
2224                     button = gtk_button_new_with_label("Down");
2225                     columns_add(COLUMNS(cols), button, 1, 1);
2226                     gtk_widget_show(button);
2227                     gtk_signal_connect(GTK_OBJECT(button), "clicked",
2228                                        GTK_SIGNAL_FUNC(draglist_down), dp);
2229                     gtk_signal_connect(GTK_OBJECT(button), "focus_in_event",
2230                                        GTK_SIGNAL_FUNC(widget_focus), dp);
2231
2232                     w = cols;
2233                 }
2234 #else
2235                 /*
2236                  * GTK2 treeview-based full list box.
2237                  */
2238                 GtkTreeSelection *sel;
2239
2240                 /*
2241                  * Create the list box itself, its columns, and
2242                  * its containing scrolled window.
2243                  */
2244                 w = gtk_tree_view_new_with_model
2245                     (GTK_TREE_MODEL(uc->listmodel));
2246                 g_object_set_data(G_OBJECT(uc->listmodel), "user-data",
2247                                   (gpointer)w);
2248                 gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(w), FALSE);
2249                 sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(w));
2250                 gtk_tree_selection_set_mode
2251                     (sel, ctrl->listbox.multisel ? GTK_SELECTION_MULTIPLE :
2252                      GTK_SELECTION_SINGLE);
2253                 uc->treeview = w;
2254                 gtk_signal_connect(GTK_OBJECT(w), "row-activated",
2255                                    GTK_SIGNAL_FUNC(listbox_doubleclick), dp);
2256                 g_signal_connect(G_OBJECT(sel), "changed",
2257                                  G_CALLBACK(listbox_selchange), dp);
2258
2259                 if (ctrl->listbox.draglist) {
2260                     gtk_tree_view_set_reorderable(GTK_TREE_VIEW(w), TRUE);
2261                     g_signal_connect(G_OBJECT(uc->listmodel), "row-inserted",
2262                                      G_CALLBACK(listbox_reorder), dp);
2263                 }
2264
2265                 {
2266                     int i;
2267                     int cols;
2268
2269                     cols = ctrl->listbox.ncols;
2270                     cols = cols ? cols : 1;
2271                     for (i = 0; i < cols; i++) {
2272                         GtkTreeViewColumn *column;
2273                         /*
2274                          * It appears that GTK 2 doesn't leave us any
2275                          * particularly sensible way to honour the
2276                          * "percentages" specification in the ctrl
2277                          * structure.
2278                          */
2279                         column = gtk_tree_view_column_new_with_attributes
2280                             ("heading", gtk_cell_renderer_text_new(),
2281                              "text", i+1, (char *)NULL);
2282                         gtk_tree_view_column_set_sizing
2283                             (column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
2284                         gtk_tree_view_append_column(GTK_TREE_VIEW(w), column);
2285                     }
2286                 }
2287
2288                 {
2289                     GtkWidget *scroll;
2290
2291                     scroll = gtk_scrolled_window_new(NULL, NULL);
2292                     gtk_scrolled_window_set_shadow_type
2293                         (GTK_SCROLLED_WINDOW(scroll), GTK_SHADOW_IN);
2294                     gtk_widget_show(w);
2295                     gtk_container_add(GTK_CONTAINER(scroll), w);
2296                     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
2297                                                    GTK_POLICY_AUTOMATIC,
2298                                                    GTK_POLICY_ALWAYS);
2299                     gtk_widget_set_size_request
2300                         (scroll, -1,
2301                          ctrl->listbox.height * get_listitemheight(w));
2302
2303                     w = scroll;
2304                 }
2305 #endif
2306             }
2307
2308             if (ctrl->generic.label) {
2309                 GtkWidget *label, *container;
2310                 GtkRequisition req;
2311
2312                 label = gtk_label_new(ctrl->generic.label);
2313
2314                 shortcut_add(scs, label, ctrl->listbox.shortcut,
2315                              SHORTCUT_FOCUS, w);
2316
2317                 container = columns_new(4);
2318                 if (ctrl->listbox.percentwidth == 100) {
2319                     columns_add(COLUMNS(container), label, 0, 1);
2320                     columns_force_left_align(COLUMNS(container), label);
2321                     columns_add(COLUMNS(container), w, 0, 1);
2322                 } else {
2323                     gint percentages[2];
2324                     percentages[1] = ctrl->listbox.percentwidth;
2325                     percentages[0] = 100 - ctrl->listbox.percentwidth;
2326                     columns_set_cols(COLUMNS(container), 2, percentages);
2327                     columns_add(COLUMNS(container), label, 0, 1);
2328                     columns_force_left_align(COLUMNS(container), label);
2329                     columns_add(COLUMNS(container), w, 1, 1);
2330                     /* Centre the label vertically. */
2331                     gtk_widget_size_request(w, &req);
2332                     gtk_widget_set_usize(label, -1, req.height);
2333                     gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
2334                 }
2335                 gtk_widget_show(label);
2336                 gtk_widget_show(w);
2337
2338                 w = container;
2339                 uc->label = label;
2340             }
2341
2342             break;
2343           case CTRL_TEXT:
2344             /*
2345              * Wrapping text widgets don't sit well with the GTK
2346              * layout model, in which widgets state a minimum size
2347              * and the whole window then adjusts to the smallest
2348              * size it can sensibly take given its contents. A
2349              * wrapping text widget _has_ no clear minimum size;
2350              * instead it has a range of possibilities. It can be
2351              * one line deep but 2000 wide, or two lines deep and
2352              * 1000 pixels, or three by 867, or four by 500 and so
2353              * on. It can be as short as you like provided you
2354              * don't mind it being wide, or as narrow as you like
2355              * provided you don't mind it being tall.
2356              *
2357              * Therefore, it fits very badly into the layout model.
2358              * Hence the only thing to do is pick a width and let
2359              * it choose its own number of lines. To do this I'm
2360              * going to cheat a little. All new wrapping text
2361              * widgets will be created with a minimal text content
2362              * "X"; then, after the rest of the dialog box is set
2363              * up and its size calculated, the text widgets will be
2364              * told their width and given their real text, which
2365              * will cause the size to be recomputed in the y
2366              * direction (because many of them will expand to more
2367              * than one line).
2368              */
2369             uc->text = w = gtk_label_new("X");
2370             gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.0);
2371             gtk_label_set_line_wrap(GTK_LABEL(w), TRUE);
2372             uc->textsig =
2373                 gtk_signal_connect(GTK_OBJECT(w), "size-allocate",
2374                                    GTK_SIGNAL_FUNC(label_sizealloc), dp);
2375             break;
2376         }
2377
2378         assert(w != NULL);
2379
2380         columns_add(cols, w,
2381                     COLUMN_START(ctrl->generic.column),
2382                     COLUMN_SPAN(ctrl->generic.column));
2383         if (left)
2384             columns_force_left_align(cols, w);
2385         gtk_widget_show(w);
2386
2387         uc->toplevel = w;
2388         dlg_add_uctrl(dp, uc);
2389     }
2390
2391     return ret;
2392 }
2393
2394 struct selparam {
2395     struct dlgparam *dp;
2396     GtkNotebook *panels;
2397     GtkWidget *panel;
2398 #if !GTK_CHECK_VERSION(2,0,0)
2399     GtkWidget *treeitem;
2400 #else
2401     int depth;
2402     GtkTreePath *treepath;
2403 #endif
2404     struct Shortcuts shortcuts;
2405 };
2406
2407 #if GTK_CHECK_VERSION(2,0,0)
2408 static void treeselection_changed(GtkTreeSelection *treeselection,
2409                                   gpointer data)
2410 {
2411     struct selparam *sps = (struct selparam *)data, *sp;
2412     GtkTreeModel *treemodel;
2413     GtkTreeIter treeiter;
2414     gint spindex;
2415     gint page_num;
2416
2417     if (!gtk_tree_selection_get_selected(treeselection, &treemodel, &treeiter))
2418         return;
2419
2420     gtk_tree_model_get(treemodel, &treeiter, TREESTORE_PARAMS, &spindex, -1);
2421     sp = &sps[spindex];
2422
2423     page_num = gtk_notebook_page_num(sp->panels, sp->panel);
2424     gtk_notebook_set_page(sp->panels, page_num);
2425
2426     dlg_refresh(NULL, sp->dp);
2427
2428     sp->dp->shortcuts = &sp->shortcuts;
2429 }
2430 #else
2431 static void treeitem_sel(GtkItem *item, gpointer data)
2432 {
2433     struct selparam *sp = (struct selparam *)data;
2434     gint page_num;
2435
2436     page_num = gtk_notebook_page_num(sp->panels, sp->panel);
2437     gtk_notebook_set_page(sp->panels, page_num);
2438
2439     dlg_refresh(NULL, sp->dp);
2440
2441     sp->dp->shortcuts = &sp->shortcuts;
2442     sp->dp->currtreeitem = sp->treeitem;
2443 }
2444 #endif
2445
2446 static void window_destroy(GtkWidget *widget, gpointer data)
2447 {
2448     gtk_main_quit();
2449 }
2450
2451 #if !GTK_CHECK_VERSION(2,0,0)
2452 static int tree_grab_focus(struct dlgparam *dp)
2453 {
2454     int i, f;
2455
2456     /*
2457      * See if any of the treeitems has the focus.
2458      */
2459     f = -1;
2460     for (i = 0; i < dp->ntreeitems; i++)
2461         if (GTK_WIDGET_HAS_FOCUS(dp->treeitems[i])) {
2462             f = i;
2463             break;
2464         }
2465
2466     if (f >= 0)
2467         return FALSE;
2468     else {
2469         gtk_widget_grab_focus(dp->currtreeitem);
2470         return TRUE;
2471     }
2472 }
2473
2474 gint tree_focus(GtkContainer *container, GtkDirectionType direction,
2475                 gpointer data)
2476 {
2477     struct dlgparam *dp = (struct dlgparam *)data;
2478
2479     gtk_signal_emit_stop_by_name(GTK_OBJECT(container), "focus");
2480     /*
2481      * If there's a focused treeitem, we return FALSE to cause the
2482      * focus to move on to some totally other control. If not, we
2483      * focus the selected one.
2484      */
2485     return tree_grab_focus(dp);
2486 }
2487 #endif
2488
2489 int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
2490 {
2491     struct dlgparam *dp = (struct dlgparam *)data;
2492
2493     if (event->keyval == GDK_Escape && dp->cancelbutton) {
2494         gtk_signal_emit_by_name(GTK_OBJECT(dp->cancelbutton), "clicked");
2495         return TRUE;
2496     }
2497
2498     if ((event->state & GDK_MOD1_MASK) &&
2499         (unsigned char)event->string[0] > 0 &&
2500         (unsigned char)event->string[0] <= 127) {
2501         int schr = (unsigned char)event->string[0];
2502         struct Shortcut *sc = &dp->shortcuts->sc[schr];
2503
2504         switch (sc->action) {
2505           case SHORTCUT_TREE:
2506 #if GTK_CHECK_VERSION(2,0,0)
2507             gtk_widget_grab_focus(sc->widget);
2508 #else
2509             tree_grab_focus(dp);
2510 #endif
2511             break;
2512           case SHORTCUT_FOCUS:
2513             gtk_widget_grab_focus(sc->widget);
2514             break;
2515           case SHORTCUT_UCTRL:
2516             /*
2517              * We must do something sensible with a uctrl.
2518              * Precisely what this is depends on the type of
2519              * control.
2520              */
2521             switch (sc->uc->ctrl->generic.type) {
2522               case CTRL_CHECKBOX:
2523               case CTRL_BUTTON:
2524                 /* Check boxes and buttons get the focus _and_ get toggled. */
2525                 gtk_widget_grab_focus(sc->uc->toplevel);
2526                 gtk_signal_emit_by_name(GTK_OBJECT(sc->uc->toplevel),
2527                                         "clicked");
2528                 break;
2529               case CTRL_FILESELECT:
2530               case CTRL_FONTSELECT:
2531                 /* File/font selectors have their buttons pressed (ooer),
2532                  * and focus transferred to the edit box. */
2533                 gtk_signal_emit_by_name(GTK_OBJECT(sc->uc->button),
2534                                         "clicked");
2535                 gtk_widget_grab_focus(sc->uc->entry);
2536                 break;
2537               case CTRL_RADIO:
2538                 /*
2539                  * Radio buttons are fun, because they have
2540                  * multiple shortcuts. We must find whether the
2541                  * activated shortcut is the shortcut for the whole
2542                  * group, or for a particular button. In the former
2543                  * case, we find the currently selected button and
2544                  * focus it; in the latter, we focus-and-click the
2545                  * button whose shortcut was pressed.
2546                  */
2547                 if (schr == sc->uc->ctrl->radio.shortcut) {
2548                     int i;
2549                     for (i = 0; i < sc->uc->ctrl->radio.nbuttons; i++)
2550                         if (gtk_toggle_button_get_active
2551                             (GTK_TOGGLE_BUTTON(sc->uc->buttons[i]))) {
2552                             gtk_widget_grab_focus(sc->uc->buttons[i]);
2553                         }
2554                 } else if (sc->uc->ctrl->radio.shortcuts) {
2555                     int i;
2556                     for (i = 0; i < sc->uc->ctrl->radio.nbuttons; i++)
2557                         if (schr == sc->uc->ctrl->radio.shortcuts[i]) {
2558                             gtk_widget_grab_focus(sc->uc->buttons[i]);
2559                             gtk_signal_emit_by_name
2560                                 (GTK_OBJECT(sc->uc->buttons[i]), "clicked");
2561                         }
2562                 }
2563                 break;
2564               case CTRL_LISTBOX:
2565
2566 #if !GTK_CHECK_VERSION(2,4,0)
2567                 if (sc->uc->optmenu) {
2568                     GdkEventButton bev;
2569                     gint returnval;
2570
2571                     gtk_widget_grab_focus(sc->uc->optmenu);
2572                     /* Option menus don't work using the "clicked" signal.
2573                      * We need to manufacture a button press event :-/ */
2574                     bev.type = GDK_BUTTON_PRESS;
2575                     bev.button = 1;
2576                     gtk_signal_emit_by_name(GTK_OBJECT(sc->uc->optmenu),
2577                                             "button_press_event",
2578                                             &bev, &returnval);
2579                     break;
2580                 }
2581 #else
2582                 if (sc->uc->combo) {
2583                     gtk_widget_grab_focus(sc->uc->combo);
2584                     gtk_combo_box_popup(GTK_COMBO_BOX(sc->uc->combo));
2585                     break;
2586                 }
2587 #endif
2588 #if !GTK_CHECK_VERSION(2,0,0)
2589                 if (sc->uc->list) {
2590                     /*
2591                      * For GTK-1 style list boxes, we tell it to
2592                      * focus one of its children, which appears to
2593                      * do the Right Thing.
2594                      */
2595                     gtk_container_focus(GTK_CONTAINER(sc->uc->list),
2596                                         GTK_DIR_TAB_FORWARD);
2597                     break;
2598                 }
2599 #else
2600                 if (sc->uc->treeview) {
2601                     gtk_widget_grab_focus(sc->uc->treeview);
2602                     break;
2603                 }
2604 #endif
2605                 assert(!"We shouldn't get here");
2606                 break;
2607             }
2608             break;
2609         }
2610     }
2611
2612     return FALSE;
2613 }
2614
2615 #if !GTK_CHECK_VERSION(2,0,0)
2616 int tree_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
2617 {
2618     struct dlgparam *dp = (struct dlgparam *)data;
2619
2620     if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
2621         event->keyval == GDK_Down || event->keyval == GDK_KP_Down) {
2622         int dir, i, j = -1;
2623         for (i = 0; i < dp->ntreeitems; i++)
2624             if (widget == dp->treeitems[i])
2625                 break;
2626         if (i < dp->ntreeitems) {
2627             if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
2628                 dir = -1;
2629             else
2630                 dir = +1;
2631
2632             while (1) {
2633                 i += dir;
2634                 if (i < 0 || i >= dp->ntreeitems)
2635                     break;             /* nothing in that dir to select */
2636                 /*
2637                  * Determine if this tree item is visible.
2638                  */
2639                 {
2640                     GtkWidget *w = dp->treeitems[i];
2641                     int vis = TRUE;
2642                     while (w && (GTK_IS_TREE_ITEM(w) || GTK_IS_TREE(w))) {
2643                         if (!GTK_WIDGET_VISIBLE(w)) {
2644                             vis = FALSE;
2645                             break;
2646                         }
2647                         w = w->parent;
2648                     }
2649                     if (vis) {
2650                         j = i;         /* got one */
2651                         break;
2652                     }
2653                 }
2654             }
2655         }
2656         gtk_signal_emit_stop_by_name(GTK_OBJECT(widget),
2657                                      "key_press_event");
2658         if (j >= 0) {
2659             gtk_signal_emit_by_name(GTK_OBJECT(dp->treeitems[j]), "toggle");
2660             gtk_widget_grab_focus(dp->treeitems[j]);
2661         }
2662         return TRUE;
2663     }
2664
2665     /*
2666      * It's nice for Left and Right to expand and collapse tree
2667      * branches.
2668      */
2669     if (event->keyval == GDK_Left || event->keyval == GDK_KP_Left) {
2670         gtk_signal_emit_stop_by_name(GTK_OBJECT(widget),
2671                                      "key_press_event");
2672         gtk_tree_item_collapse(GTK_TREE_ITEM(widget));
2673         return TRUE;
2674     }
2675     if (event->keyval == GDK_Right || event->keyval == GDK_KP_Right) {
2676         gtk_signal_emit_stop_by_name(GTK_OBJECT(widget),
2677                                      "key_press_event");
2678         gtk_tree_item_expand(GTK_TREE_ITEM(widget));
2679         return TRUE;
2680     }
2681
2682     return FALSE;
2683 }
2684 #endif
2685
2686 static void shortcut_highlight(GtkWidget *labelw, int chr)
2687 {
2688     GtkLabel *label = GTK_LABEL(labelw);
2689     gchar *currstr, *pattern;
2690     int i;
2691
2692     gtk_label_get(label, &currstr);
2693     for (i = 0; currstr[i]; i++)
2694         if (tolower((unsigned char)currstr[i]) == chr) {
2695             GtkRequisition req;
2696
2697             pattern = dupprintf("%*s_", i, "");
2698
2699             gtk_widget_size_request(GTK_WIDGET(label), &req);
2700             gtk_label_set_pattern(label, pattern);
2701             gtk_widget_set_usize(GTK_WIDGET(label), -1, req.height);
2702
2703             sfree(pattern);
2704             break;
2705         }
2706 }
2707
2708 void shortcut_add(struct Shortcuts *scs, GtkWidget *labelw,
2709                   int chr, int action, void *ptr)
2710 {
2711     if (chr == NO_SHORTCUT)
2712         return;
2713
2714     chr = tolower((unsigned char)chr);
2715
2716     assert(scs->sc[chr].action == SHORTCUT_EMPTY);
2717
2718     scs->sc[chr].action = action;
2719
2720     if (action == SHORTCUT_FOCUS) {
2721         scs->sc[chr].uc = NULL;
2722         scs->sc[chr].widget = (GtkWidget *)ptr;
2723     } else {
2724         scs->sc[chr].widget = NULL;
2725         scs->sc[chr].uc = (struct uctrl *)ptr;
2726     }
2727
2728     shortcut_highlight(labelw, chr);
2729 }
2730
2731 int get_listitemheight(GtkWidget *w)
2732 {
2733 #if !GTK_CHECK_VERSION(2,0,0)
2734     GtkWidget *listitem = gtk_list_item_new_with_label("foo");
2735     GtkRequisition req;
2736     gtk_widget_size_request(listitem, &req);
2737     gtk_object_sink(GTK_OBJECT(listitem));
2738     return req.height;
2739 #else
2740     int height;
2741     GtkCellRenderer *cr = gtk_cell_renderer_text_new();
2742     gtk_cell_renderer_get_size(cr, w, NULL, NULL, NULL, NULL, &height);
2743     g_object_ref(G_OBJECT(cr));
2744     gtk_object_sink(GTK_OBJECT(cr));
2745     g_object_unref(G_OBJECT(cr));
2746     return height;
2747 #endif
2748 }
2749
2750 void set_dialog_action_area(GtkDialog *dlg, GtkWidget *w)
2751 {
2752 #if !GTK_CHECK_VERSION(2,0,0)
2753
2754     /*
2755      * In GTK 1, laying out the buttons at the bottom of the
2756      * configuration box is nice and easy, because a GtkDialog's
2757      * action_area is a GtkHBox which stretches to cover the full
2758      * width of the dialog. So we just put our Columns widget
2759      * straight into that hbox, and it ends up just where we want
2760      * it.
2761      */
2762     gtk_box_pack_start(GTK_BOX(dlg->action_area), w, TRUE, TRUE, 0);
2763
2764 #else
2765     /*
2766      * In GTK 2, the action area is now a GtkHButtonBox and its
2767      * layout behaviour seems to be different: it doesn't stretch
2768      * to cover the full width of the window, but instead finds its
2769      * own preferred width and right-aligns that within the window.
2770      * This isn't what we want, because we have both left-aligned
2771      * and right-aligned buttons coming out of the above call to
2772      * layout_ctrls(), and right-aligning the whole thing will
2773      * result in the former being centred and looking weird.
2774      *
2775      * So instead we abandon the dialog's action area completely:
2776      * we gtk_widget_hide() it in the below code, and we also call
2777      * gtk_dialog_set_has_separator() to remove the separator above
2778      * it. We then insert our own action area into the end of the
2779      * dialog's main vbox, and add our own separator above that.
2780      *
2781      * (Ideally, if we were a native GTK app, we would use the
2782      * GtkHButtonBox's _own_ innate ability to support one set of
2783      * buttons being right-aligned and one left-aligned. But to do
2784      * that here, we would have to either (a) pick apart our cross-
2785      * platform layout structures and treat them specially for this
2786      * particular set of controls, which would be painful, or else
2787      * (b) develop a special and simpler cross-platform
2788      * representation for these particular controls, and introduce
2789      * special-case code into all the _other_ platforms to handle
2790      * it. Neither appeals. Therefore, I regretfully discard the
2791      * GTKHButtonBox and go it alone.)
2792      */
2793
2794     GtkWidget *align;
2795     align = gtk_alignment_new(0, 0, 1, 1);
2796     gtk_container_add(GTK_CONTAINER(align), w);
2797     /*
2798      * The purpose of this GtkAlignment is to provide padding
2799      * around the buttons. The padding we use is twice the padding
2800      * used in our GtkColumns, because we nest two GtkColumns most
2801      * of the time (one separating the tree view from the main
2802      * controls, and another for the main controls themselves).
2803      */
2804 #if GTK_CHECK_VERSION(2,4,0)
2805     gtk_alignment_set_padding(GTK_ALIGNMENT(align), 8, 8, 8, 8);
2806 #endif
2807     gtk_widget_show(align);
2808     gtk_box_pack_end(GTK_BOX(dlg->vbox), align, FALSE, TRUE, 0);
2809     w = gtk_hseparator_new();
2810     gtk_box_pack_end(GTK_BOX(dlg->vbox), w, FALSE, TRUE, 0);
2811     gtk_widget_show(w);
2812     gtk_widget_hide(dlg->action_area);
2813     gtk_dialog_set_has_separator(dlg, FALSE);
2814 #endif
2815 }
2816
2817 int do_config_box(const char *title, Conf *conf, int midsession,
2818                   int protcfginfo)
2819 {
2820     GtkWidget *window, *hbox, *vbox, *cols, *label,
2821         *tree, *treescroll, *panels, *panelvbox;
2822     int index, level, protocol;
2823     struct controlbox *ctrlbox;
2824     char *path;
2825 #if GTK_CHECK_VERSION(2,0,0)
2826     GtkTreeStore *treestore;
2827     GtkCellRenderer *treerenderer;
2828     GtkTreeViewColumn *treecolumn;
2829     GtkTreeSelection *treeselection;
2830     GtkTreeIter treeiterlevels[8];
2831 #else
2832     GtkTreeItem *treeitemlevels[8];
2833     GtkTree *treelevels[8];
2834 #endif
2835     struct dlgparam dp;
2836     struct Shortcuts scs;
2837
2838     struct selparam *selparams = NULL;
2839     int nselparams = 0, selparamsize = 0;
2840
2841     dlg_init(&dp);
2842
2843     for (index = 0; index < lenof(scs.sc); index++) {
2844         scs.sc[index].action = SHORTCUT_EMPTY;
2845     }
2846
2847     window = gtk_dialog_new();
2848
2849     ctrlbox = ctrl_new_box();
2850     protocol = conf_get_int(conf, CONF_protocol);
2851     setup_config_box(ctrlbox, midsession, protocol, protcfginfo);
2852     unix_setup_config_box(ctrlbox, midsession, protocol);
2853     gtk_setup_config_box(ctrlbox, midsession, window);
2854
2855     gtk_window_set_title(GTK_WINDOW(window), title);
2856     hbox = gtk_hbox_new(FALSE, 4);
2857     gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox), hbox, TRUE, TRUE, 0);
2858     gtk_container_set_border_width(GTK_CONTAINER(hbox), 10);
2859     gtk_widget_show(hbox);
2860     vbox = gtk_vbox_new(FALSE, 4);
2861     gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
2862     gtk_widget_show(vbox);
2863     cols = columns_new(4);
2864     gtk_box_pack_start(GTK_BOX(vbox), cols, FALSE, FALSE, 0);
2865     gtk_widget_show(cols);
2866     label = gtk_label_new("Category:");
2867     columns_add(COLUMNS(cols), label, 0, 1);
2868     columns_force_left_align(COLUMNS(cols), label);
2869     gtk_widget_show(label);
2870     treescroll = gtk_scrolled_window_new(NULL, NULL);
2871 #if GTK_CHECK_VERSION(2,0,0)
2872     treestore = gtk_tree_store_new
2873         (TREESTORE_NUM, G_TYPE_STRING, G_TYPE_INT);
2874     tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(treestore));
2875     gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(tree), FALSE);
2876     treerenderer = gtk_cell_renderer_text_new();
2877     treecolumn = gtk_tree_view_column_new_with_attributes
2878         ("Label", treerenderer, "text", 0, NULL);
2879     gtk_tree_view_append_column(GTK_TREE_VIEW(tree), treecolumn);
2880     treeselection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree));
2881     gtk_tree_selection_set_mode(treeselection, GTK_SELECTION_BROWSE);
2882     gtk_container_add(GTK_CONTAINER(treescroll), tree);
2883 #else
2884     tree = gtk_tree_new();
2885     gtk_tree_set_view_mode(GTK_TREE(tree), GTK_TREE_VIEW_ITEM);
2886     gtk_tree_set_selection_mode(GTK_TREE(tree), GTK_SELECTION_BROWSE);
2887     gtk_signal_connect(GTK_OBJECT(tree), "focus",
2888                        GTK_SIGNAL_FUNC(tree_focus), &dp);
2889 #endif
2890     gtk_signal_connect(GTK_OBJECT(tree), "focus_in_event",
2891                        GTK_SIGNAL_FUNC(widget_focus), &dp);
2892     shortcut_add(&scs, label, 'g', SHORTCUT_TREE, tree);
2893     gtk_widget_show(treescroll);
2894     gtk_box_pack_start(GTK_BOX(vbox), treescroll, TRUE, TRUE, 0);
2895     panels = gtk_notebook_new();
2896     gtk_notebook_set_show_tabs(GTK_NOTEBOOK(panels), FALSE);
2897     gtk_notebook_set_show_border(GTK_NOTEBOOK(panels), FALSE);
2898     gtk_box_pack_start(GTK_BOX(hbox), panels, TRUE, TRUE, 0);
2899     gtk_widget_show(panels);
2900
2901     panelvbox = NULL;
2902     path = NULL;
2903     level = 0;
2904     for (index = 0; index < ctrlbox->nctrlsets; index++) {
2905         struct controlset *s = ctrlbox->ctrlsets[index];
2906         GtkWidget *w;
2907
2908         if (!*s->pathname) {
2909             w = layout_ctrls(&dp, &scs, s, GTK_WINDOW(window));
2910
2911             set_dialog_action_area(GTK_DIALOG(window), w);
2912         } else {
2913             int j = path ? ctrl_path_compare(s->pathname, path) : 0;
2914             if (j != INT_MAX) {        /* add to treeview, start new panel */
2915                 char *c;
2916 #if GTK_CHECK_VERSION(2,0,0)
2917                 GtkTreeIter treeiter;
2918 #else
2919                 GtkWidget *treeitem;
2920 #endif
2921                 int first;
2922
2923                 /*
2924                  * We expect never to find an implicit path
2925                  * component. For example, we expect never to see
2926                  * A/B/C followed by A/D/E, because that would
2927                  * _implicitly_ create A/D. All our path prefixes
2928                  * are expected to contain actual controls and be
2929                  * selectable in the treeview; so we would expect
2930                  * to see A/D _explicitly_ before encountering
2931                  * A/D/E.
2932                  */
2933                 assert(j == ctrl_path_elements(s->pathname) - 1);
2934
2935                 c = strrchr(s->pathname, '/');
2936                 if (!c)
2937                     c = s->pathname;
2938                 else
2939                     c++;
2940
2941                 path = s->pathname;
2942
2943                 first = (panelvbox == NULL);
2944
2945                 panelvbox = gtk_vbox_new(FALSE, 4);
2946                 gtk_widget_show(panelvbox);
2947                 gtk_notebook_append_page(GTK_NOTEBOOK(panels), panelvbox,
2948                                          NULL);
2949                 if (first) {
2950                     gint page_num;
2951
2952                     page_num = gtk_notebook_page_num(GTK_NOTEBOOK(panels),
2953                                                      panelvbox);
2954                     gtk_notebook_set_page(GTK_NOTEBOOK(panels), page_num);
2955                 }
2956
2957                 if (nselparams >= selparamsize) {
2958                     selparamsize += 16;
2959                     selparams = sresize(selparams, selparamsize,
2960                                         struct selparam);
2961                 }
2962                 selparams[nselparams].dp = &dp;
2963                 selparams[nselparams].panels = GTK_NOTEBOOK(panels);
2964                 selparams[nselparams].panel = panelvbox;
2965                 selparams[nselparams].shortcuts = scs;   /* structure copy */
2966
2967                 assert(j-1 < level);
2968
2969 #if GTK_CHECK_VERSION(2,0,0)
2970                 if (j > 0)
2971                     /* treeiterlevels[j-1] will always be valid because we
2972                      * don't allow implicit path components; see above.
2973                      */
2974                     gtk_tree_store_append(treestore, &treeiter,
2975                                           &treeiterlevels[j-1]);
2976                 else
2977                     gtk_tree_store_append(treestore, &treeiter, NULL);
2978                 gtk_tree_store_set(treestore, &treeiter,
2979                                    TREESTORE_PATH, c,
2980                                    TREESTORE_PARAMS, nselparams,
2981                                    -1);
2982                 treeiterlevels[j] = treeiter;
2983
2984                 selparams[nselparams].depth = j;
2985                 if (j > 0) {
2986                     selparams[nselparams].treepath =
2987                         gtk_tree_model_get_path(GTK_TREE_MODEL(treestore),
2988                                                 &treeiterlevels[j-1]);
2989                     /*
2990                      * We are going to collapse all tree branches
2991                      * at depth greater than 2, but not _yet_; see
2992                      * the comment at the call to
2993                      * gtk_tree_view_collapse_row below.
2994                      */
2995                     gtk_tree_view_expand_row(GTK_TREE_VIEW(tree),
2996                                              selparams[nselparams].treepath,
2997                                              FALSE);
2998                 } else {
2999                     selparams[nselparams].treepath = NULL;
3000                 }
3001 #else
3002                 treeitem = gtk_tree_item_new_with_label(c);
3003                 if (j > 0) {
3004                     if (!treelevels[j-1]) {
3005                         treelevels[j-1] = GTK_TREE(gtk_tree_new());
3006                         gtk_tree_item_set_subtree
3007                             (treeitemlevels[j-1],
3008                              GTK_WIDGET(treelevels[j-1]));
3009                         if (j < 2)
3010                             gtk_tree_item_expand(treeitemlevels[j-1]);
3011                         else
3012                             gtk_tree_item_collapse(treeitemlevels[j-1]);
3013                     }
3014                     gtk_tree_append(treelevels[j-1], treeitem);
3015                 } else {
3016                     gtk_tree_append(GTK_TREE(tree), treeitem);
3017                 }
3018                 treeitemlevels[j] = GTK_TREE_ITEM(treeitem);
3019                 treelevels[j] = NULL;
3020
3021                 gtk_signal_connect(GTK_OBJECT(treeitem), "key_press_event",
3022                                    GTK_SIGNAL_FUNC(tree_key_press), &dp);
3023                 gtk_signal_connect(GTK_OBJECT(treeitem), "focus_in_event",
3024                                    GTK_SIGNAL_FUNC(widget_focus), &dp);
3025
3026                 gtk_widget_show(treeitem);
3027
3028                 if (first)
3029                     gtk_tree_select_child(GTK_TREE(tree), treeitem);
3030                 selparams[nselparams].treeitem = treeitem;
3031 #endif
3032
3033                 level = j+1;
3034                 nselparams++;
3035             }
3036
3037             w = layout_ctrls(&dp, &selparams[nselparams-1].shortcuts, s, NULL);
3038             gtk_box_pack_start(GTK_BOX(panelvbox), w, FALSE, FALSE, 0);
3039             gtk_widget_show(w);
3040         }
3041     }
3042
3043 #if GTK_CHECK_VERSION(2,0,0)
3044     {
3045         GtkRequisition req;
3046         int i;
3047
3048         /*
3049          * We want our tree view to come up with all branches at
3050          * depth 2 or more collapsed. However, if we start off
3051          * with those branches collapsed, then the tree view's
3052          * size request will be calculated based on the width of
3053          * the collapsed tree. So instead we start with them all
3054          * expanded; then we ask for the current size request,
3055          * collapse the relevant rows, and force the width to the
3056          * value we just computed. This arranges that the tree
3057          * view is wide enough to have all branches expanded
3058          * safely.
3059          */
3060
3061         gtk_widget_size_request(tree, &req);
3062
3063         for (i = 0; i < nselparams; i++)
3064             if (selparams[i].depth >= 2)
3065                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(tree),
3066                                            selparams[i].treepath);
3067
3068         gtk_widget_set_size_request(tree, req.width, -1);
3069     }
3070 #endif
3071
3072 #if GTK_CHECK_VERSION(2,0,0)
3073     g_signal_connect(G_OBJECT(treeselection), "changed",
3074                      G_CALLBACK(treeselection_changed), selparams);
3075 #else
3076     dp.ntreeitems = nselparams;
3077     dp.treeitems = snewn(dp.ntreeitems, GtkWidget *);
3078
3079     for (index = 0; index < nselparams; index++) {
3080         gtk_signal_connect(GTK_OBJECT(selparams[index].treeitem), "select",
3081                            GTK_SIGNAL_FUNC(treeitem_sel),
3082                            &selparams[index]);
3083         dp.treeitems[index] = selparams[index].treeitem;
3084     }
3085 #endif
3086
3087     dp.data = conf;
3088     dlg_refresh(NULL, &dp);
3089
3090     dp.shortcuts = &selparams[0].shortcuts;
3091 #if !GTK_CHECK_VERSION(2,0,0)
3092     dp.currtreeitem = dp.treeitems[0];
3093 #endif
3094     dp.lastfocus = NULL;
3095     dp.retval = 0;
3096     dp.window = window;
3097
3098     {
3099         /* in gtkwin.c */
3100         extern void set_window_icon(GtkWidget *window,
3101                                     const char *const *const *icon,
3102                                     int n_icon);
3103         extern const char *const *const cfg_icon[];
3104         extern const int n_cfg_icon;
3105         set_window_icon(window, cfg_icon, n_cfg_icon);
3106     }
3107
3108 #if !GTK_CHECK_VERSION(2,0,0)
3109     gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(treescroll),
3110                                           tree);
3111 #endif
3112     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(treescroll),
3113                                    GTK_POLICY_NEVER,
3114                                    GTK_POLICY_AUTOMATIC);
3115     gtk_widget_show(tree);
3116
3117     gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
3118     gtk_widget_show(window);
3119
3120     /*
3121      * Set focus into the first available control.
3122      */
3123     for (index = 0; index < ctrlbox->nctrlsets; index++) {
3124         struct controlset *s = ctrlbox->ctrlsets[index];
3125         int done = 0;
3126         int j;
3127
3128         if (*s->pathname) {
3129             for (j = 0; j < s->ncontrols; j++)
3130                 if (s->ctrls[j]->generic.type != CTRL_TABDELAY &&
3131                     s->ctrls[j]->generic.type != CTRL_COLUMNS &&
3132                     s->ctrls[j]->generic.type != CTRL_TEXT) {
3133                     dlg_set_focus(s->ctrls[j], &dp);
3134                     dp.lastfocus = s->ctrls[j];
3135                     done = 1;
3136                     break;
3137                 }
3138         }
3139         if (done)
3140             break;
3141     }
3142
3143     gtk_signal_connect(GTK_OBJECT(window), "destroy",
3144                        GTK_SIGNAL_FUNC(window_destroy), NULL);
3145     gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
3146                        GTK_SIGNAL_FUNC(win_key_press), &dp);
3147
3148     gtk_main();
3149
3150     dlg_cleanup(&dp);
3151     sfree(selparams);
3152
3153     return dp.retval;
3154 }
3155
3156 static void messagebox_handler(union control *ctrl, void *dlg,
3157                                void *data, int event)
3158 {
3159     if (event == EVENT_ACTION)
3160         dlg_end(dlg, ctrl->generic.context.i);
3161 }
3162 int messagebox(GtkWidget *parentwin, char *title, char *msg, int minwid, ...)
3163 {
3164     GtkWidget *window, *w0, *w1;
3165     struct controlbox *ctrlbox;
3166     struct controlset *s0, *s1;
3167     union control *c;
3168     struct dlgparam dp;
3169     struct Shortcuts scs;
3170     int index, ncols;
3171     va_list ap;
3172
3173     dlg_init(&dp);
3174
3175     for (index = 0; index < lenof(scs.sc); index++) {
3176         scs.sc[index].action = SHORTCUT_EMPTY;
3177     }
3178
3179     ctrlbox = ctrl_new_box();
3180
3181     ncols = 0;
3182     va_start(ap, minwid);
3183     while (va_arg(ap, char *) != NULL) {
3184         ncols++;
3185         (void) va_arg(ap, int);        /* shortcut */
3186         (void) va_arg(ap, int);        /* normal/default/cancel */
3187         (void) va_arg(ap, int);        /* end value */
3188     }
3189     va_end(ap);
3190
3191     s0 = ctrl_getset(ctrlbox, "", "", "");
3192     c = ctrl_columns(s0, 2, 50, 50);
3193     c->columns.ncols = s0->ncolumns = ncols;
3194     c->columns.percentages = sresize(c->columns.percentages, ncols, int);
3195     for (index = 0; index < ncols; index++)
3196         c->columns.percentages[index] = (index+1)*100/ncols - index*100/ncols;
3197     va_start(ap, minwid);
3198     index = 0;
3199     while (1) {
3200         char *title = va_arg(ap, char *);
3201         int shortcut, type, value;
3202         if (title == NULL)
3203             break;
3204         shortcut = va_arg(ap, int);
3205         type = va_arg(ap, int);
3206         value = va_arg(ap, int);
3207         c = ctrl_pushbutton(s0, title, shortcut, HELPCTX(no_help),
3208                             messagebox_handler, I(value));
3209         c->generic.column = index++;
3210         if (type > 0)
3211             c->button.isdefault = TRUE;
3212         else if (type < 0)
3213             c->button.iscancel = TRUE;
3214     }
3215     va_end(ap);
3216
3217     s1 = ctrl_getset(ctrlbox, "x", "", "");
3218     ctrl_text(s1, msg, HELPCTX(no_help));
3219
3220     window = gtk_dialog_new();
3221     gtk_window_set_title(GTK_WINDOW(window), title);
3222     w0 = layout_ctrls(&dp, &scs, s0, GTK_WINDOW(window));
3223     set_dialog_action_area(GTK_DIALOG(window), w0);
3224     gtk_widget_show(w0);
3225     w1 = layout_ctrls(&dp, &scs, s1, GTK_WINDOW(window));
3226     gtk_container_set_border_width(GTK_CONTAINER(w1), 10);
3227     gtk_widget_set_usize(w1, minwid+20, -1);
3228     gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
3229                        w1, TRUE, TRUE, 0);
3230     gtk_widget_show(w1);
3231
3232     dp.shortcuts = &scs;
3233     dp.lastfocus = NULL;
3234     dp.retval = 0;
3235     dp.window = window;
3236
3237     gtk_window_set_modal(GTK_WINDOW(window), TRUE);
3238     if (parentwin) {
3239         set_transient_window_pos(parentwin, window);
3240         gtk_window_set_transient_for(GTK_WINDOW(window),
3241                                      GTK_WINDOW(parentwin));
3242     } else
3243         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
3244     gtk_widget_show(window);
3245
3246     gtk_signal_connect(GTK_OBJECT(window), "destroy",
3247                        GTK_SIGNAL_FUNC(window_destroy), NULL);
3248     gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
3249                        GTK_SIGNAL_FUNC(win_key_press), &dp);
3250
3251     gtk_main();
3252
3253     dlg_cleanup(&dp);
3254     ctrl_free_box(ctrlbox);
3255
3256     return dp.retval;
3257 }
3258
3259 static int string_width(char *text)
3260 {
3261     GtkWidget *label = gtk_label_new(text);
3262     GtkRequisition req;
3263     gtk_widget_size_request(label, &req);
3264     gtk_object_sink(GTK_OBJECT(label));
3265     return req.width;
3266 }
3267
3268 int reallyclose(void *frontend)
3269 {
3270     char *title = dupcat(appname, " Exit Confirmation", NULL);
3271     int ret = messagebox(GTK_WIDGET(get_window(frontend)),
3272                          title, "Are you sure you want to close this session?",
3273                          string_width("Most of the width of the above text"),
3274                          "Yes", 'y', +1, 1,
3275                          "No", 'n', -1, 0,
3276                          NULL);
3277     sfree(title);
3278     return ret;
3279 }
3280
3281 int verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
3282                         char *keystr, char *fingerprint,
3283                         void (*callback)(void *ctx, int result), void *ctx)
3284 {
3285     static const char absenttxt[] =
3286         "The server's host key is not cached. You have no guarantee "
3287         "that the server is the computer you think it is.\n"
3288         "The server's %s key fingerprint is:\n"
3289         "%s\n"
3290         "If you trust this host, press \"Accept\" to add the key to "
3291         "PuTTY's cache and carry on connecting.\n"
3292         "If you want to carry on connecting just once, without "
3293         "adding the key to the cache, press \"Connect Once\".\n"
3294         "If you do not trust this host, press \"Cancel\" to abandon the "
3295         "connection.";
3296     static const char wrongtxt[] =
3297         "WARNING - POTENTIAL SECURITY BREACH!\n"
3298         "The server's host key does not match the one PuTTY has "
3299         "cached. This means that either the server administrator "
3300         "has changed the host key, or you have actually connected "
3301         "to another computer pretending to be the server.\n"
3302         "The new %s key fingerprint is:\n"
3303         "%s\n"
3304         "If you were expecting this change and trust the new key, "
3305         "press \"Accept\" to update PuTTY's cache and continue connecting.\n"
3306         "If you want to carry on connecting but without updating "
3307         "the cache, press \"Connect Once\".\n"
3308         "If you want to abandon the connection completely, press "
3309         "\"Cancel\" to cancel. Pressing \"Cancel\" is the ONLY guaranteed "
3310         "safe choice.";
3311     char *text;
3312     int ret;
3313
3314     /*
3315      * Verify the key.
3316      */
3317     ret = verify_host_key(host, port, keytype, keystr);
3318
3319     if (ret == 0)                      /* success - key matched OK */
3320         return 1;
3321
3322     text = dupprintf((ret == 2 ? wrongtxt : absenttxt), keytype, fingerprint);
3323
3324     ret = messagebox(GTK_WIDGET(get_window(frontend)),
3325                      "PuTTY Security Alert", text,
3326                      string_width(fingerprint),
3327                      "Accept", 'a', 0, 2,
3328                      "Connect Once", 'o', 0, 1,
3329                      "Cancel", 'c', -1, 0,
3330                      NULL);
3331
3332     sfree(text);
3333
3334     if (ret == 2) {
3335         store_host_key(host, port, keytype, keystr);
3336         return 1;                      /* continue with connection */
3337     } else if (ret == 1)
3338         return 1;                      /* continue with connection */
3339     return 0;                          /* do not continue with connection */
3340 }
3341
3342 /*
3343  * Ask whether the selected algorithm is acceptable (since it was
3344  * below the configured 'warn' threshold).
3345  */
3346 int askalg(void *frontend, const char *algtype, const char *algname,
3347            void (*callback)(void *ctx, int result), void *ctx)
3348 {
3349     static const char msg[] =
3350         "The first %s supported by the server is "
3351         "%s, which is below the configured warning threshold.\n"
3352         "Continue with connection?";
3353     char *text;
3354     int ret;
3355
3356     text = dupprintf(msg, algtype, algname);
3357     ret = messagebox(GTK_WIDGET(get_window(frontend)),
3358                      "PuTTY Security Alert", text,
3359                      string_width("Continue with connection?"),
3360                      "Yes", 'y', 0, 1,
3361                      "No", 'n', 0, 0,
3362                      NULL);
3363     sfree(text);
3364
3365     if (ret) {
3366         return 1;
3367     } else {
3368         return 0;
3369     }
3370 }
3371
3372 void old_keyfile_warning(void)
3373 {
3374     /*
3375      * This should never happen on Unix. We hope.
3376      */
3377 }
3378
3379 void fatal_message_box(void *window, char *msg)
3380 {
3381     messagebox(window, "PuTTY Fatal Error", msg,
3382                string_width("REASONABLY LONG LINE OF TEXT FOR BASIC SANITY"),
3383                "OK", 'o', 1, 1, NULL);
3384 }
3385
3386 void fatalbox(char *p, ...)
3387 {
3388     va_list ap;
3389     char *msg;
3390     va_start(ap, p);
3391     msg = dupvprintf(p, ap);
3392     va_end(ap);
3393     fatal_message_box(NULL, msg);
3394     sfree(msg);
3395     cleanup_exit(1);
3396 }
3397
3398 static GtkWidget *aboutbox = NULL;
3399
3400 static void about_close_clicked(GtkButton *button, gpointer data)
3401 {
3402     gtk_widget_destroy(aboutbox);
3403     aboutbox = NULL;
3404 }
3405
3406 static void licence_clicked(GtkButton *button, gpointer data)
3407 {
3408     char *title;
3409
3410     char *licence =
3411         "Copyright 1997-2011 Simon Tatham.\n\n"
3412
3413         "Portions copyright Robert de Bath, Joris van Rantwijk, Delian "
3414         "Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas "
3415         "Barry, Justin Bradford, Ben Harris, Malcolm Smith, Ahmad Khalifa, "
3416         "Markus Kuhn, Colin Watson, and CORE SDI S.A.\n\n"
3417
3418         "Permission is hereby granted, free of charge, to any person "
3419         "obtaining a copy of this software and associated documentation "
3420         "files (the ""Software""), to deal in the Software without restriction, "
3421         "including without limitation the rights to use, copy, modify, merge, "
3422         "publish, distribute, sublicense, and/or sell copies of the Software, "
3423         "and to permit persons to whom the Software is furnished to do so, "
3424         "subject to the following conditions:\n\n"
3425
3426         "The above copyright notice and this permission notice shall be "
3427         "included in all copies or substantial portions of the Software.\n\n"
3428
3429         "THE SOFTWARE IS PROVIDED ""AS IS"", WITHOUT "
3430         "WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, "
3431         "INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF "
3432         "MERCHANTABILITY, FITNESS FOR A PARTICULAR "
3433         "PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE "
3434         "COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES "
3435         "OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, "
3436         "TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN "
3437         "CONNECTION WITH THE SOFTWARE OR THE USE OR "
3438         "OTHER DEALINGS IN THE SOFTWARE.";
3439
3440     title = dupcat(appname, " Licence", NULL);
3441     assert(aboutbox != NULL);
3442     messagebox(aboutbox, title, licence,
3443                string_width("LONGISH LINE OF TEXT SO THE LICENCE"
3444                             " BOX ISN'T EXCESSIVELY TALL AND THIN"),
3445                "OK", 'o', 1, 1, NULL);
3446     sfree(title);
3447 }
3448
3449 void about_box(void *window)
3450 {
3451     GtkWidget *w;
3452     char *title;
3453
3454     if (aboutbox) {
3455         gtk_widget_grab_focus(aboutbox);
3456         return;
3457     }
3458
3459     aboutbox = gtk_dialog_new();
3460     gtk_container_set_border_width(GTK_CONTAINER(aboutbox), 10);
3461     title = dupcat("About ", appname, NULL);
3462     gtk_window_set_title(GTK_WINDOW(aboutbox), title);
3463     sfree(title);
3464
3465     w = gtk_button_new_with_label("Close");
3466     GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
3467     gtk_window_set_default(GTK_WINDOW(aboutbox), w);
3468     gtk_box_pack_end(GTK_BOX(GTK_DIALOG(aboutbox)->action_area),
3469                      w, FALSE, FALSE, 0);
3470     gtk_signal_connect(GTK_OBJECT(w), "clicked",
3471                        GTK_SIGNAL_FUNC(about_close_clicked), NULL);
3472     gtk_widget_show(w);
3473
3474     w = gtk_button_new_with_label("View Licence");
3475     GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
3476     gtk_box_pack_end(GTK_BOX(GTK_DIALOG(aboutbox)->action_area),
3477                      w, FALSE, FALSE, 0);
3478     gtk_signal_connect(GTK_OBJECT(w), "clicked",
3479                        GTK_SIGNAL_FUNC(licence_clicked), NULL);
3480     gtk_widget_show(w);
3481
3482     w = gtk_label_new(appname);
3483     gtk_box_pack_start(GTK_BOX(GTK_DIALOG(aboutbox)->vbox),
3484                        w, FALSE, FALSE, 0);
3485     gtk_widget_show(w);
3486
3487     w = gtk_label_new(ver);
3488     gtk_box_pack_start(GTK_BOX(GTK_DIALOG(aboutbox)->vbox),
3489                        w, FALSE, FALSE, 5);
3490     gtk_widget_show(w);
3491
3492     w = gtk_label_new("Copyright 1997-2011 Simon Tatham. All rights reserved");
3493     gtk_box_pack_start(GTK_BOX(GTK_DIALOG(aboutbox)->vbox),
3494                        w, FALSE, FALSE, 5);
3495     gtk_widget_show(w);
3496
3497     set_transient_window_pos(GTK_WIDGET(window), aboutbox);
3498     gtk_window_set_transient_for(GTK_WINDOW(aboutbox),
3499                                  GTK_WINDOW(window));
3500     gtk_widget_show(aboutbox);
3501 }
3502
3503 struct eventlog_stuff {
3504     GtkWidget *parentwin, *window;
3505     struct controlbox *eventbox;
3506     struct Shortcuts scs;
3507     struct dlgparam dp;
3508     union control *listctrl;
3509     char **events;
3510     int nevents, negsize;
3511     char *seldata;
3512     int sellen;
3513     int ignore_selchange;
3514 };
3515
3516 static void eventlog_destroy(GtkWidget *widget, gpointer data)
3517 {
3518     struct eventlog_stuff *es = (struct eventlog_stuff *)data;
3519
3520     es->window = NULL;
3521     sfree(es->seldata);
3522     dlg_cleanup(&es->dp);
3523     ctrl_free_box(es->eventbox);
3524 }
3525 static void eventlog_ok_handler(union control *ctrl, void *dlg,
3526                                 void *data, int event)
3527 {
3528     if (event == EVENT_ACTION)
3529         dlg_end(dlg, 0);
3530 }
3531 static void eventlog_list_handler(union control *ctrl, void *dlg,
3532                                   void *data, int event)
3533 {
3534     struct eventlog_stuff *es = (struct eventlog_stuff *)data;
3535
3536     if (event == EVENT_REFRESH) {
3537         int i;
3538
3539         dlg_update_start(ctrl, dlg);
3540         dlg_listbox_clear(ctrl, dlg);
3541         for (i = 0; i < es->nevents; i++) {
3542             dlg_listbox_add(ctrl, dlg, es->events[i]);
3543         }
3544         dlg_update_done(ctrl, dlg);
3545     } else if (event == EVENT_SELCHANGE) {
3546         int i;
3547         int selsize = 0;
3548
3549         /*
3550          * If this SELCHANGE event is happening as a result of
3551          * deliberate deselection because someone else has grabbed
3552          * the selection, the last thing we want to do is pre-empt
3553          * them.
3554          */
3555         if (es->ignore_selchange)
3556             return;
3557
3558         /*
3559          * Construct the data to use as the selection.
3560          */
3561         sfree(es->seldata);
3562         es->seldata = NULL;
3563         es->sellen = 0;
3564         for (i = 0; i < es->nevents; i++) {
3565             if (dlg_listbox_issel(ctrl, dlg, i)) {
3566                 int extralen = strlen(es->events[i]);
3567
3568                 if (es->sellen + extralen + 2 > selsize) {
3569                     selsize = es->sellen + extralen + 512;
3570                     es->seldata = sresize(es->seldata, selsize, char);
3571                 }
3572
3573                 strcpy(es->seldata + es->sellen, es->events[i]);
3574                 es->sellen += extralen;
3575                 es->seldata[es->sellen++] = '\n';
3576             }
3577         }
3578
3579         if (gtk_selection_owner_set(es->window, GDK_SELECTION_PRIMARY,
3580                                     GDK_CURRENT_TIME)) {
3581             extern GdkAtom compound_text_atom;
3582
3583             gtk_selection_add_target(es->window, GDK_SELECTION_PRIMARY,
3584                                      GDK_SELECTION_TYPE_STRING, 1);
3585             gtk_selection_add_target(es->window, GDK_SELECTION_PRIMARY,
3586                                      compound_text_atom, 1);
3587         }
3588
3589     }
3590 }
3591
3592 void eventlog_selection_get(GtkWidget *widget, GtkSelectionData *seldata,
3593                             guint info, guint time_stamp, gpointer data)
3594 {
3595     struct eventlog_stuff *es = (struct eventlog_stuff *)data;
3596
3597     gtk_selection_data_set(seldata, seldata->target, 8,
3598                            (unsigned char *)es->seldata, es->sellen);
3599 }
3600
3601 gint eventlog_selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
3602                               gpointer data)
3603 {
3604     struct eventlog_stuff *es = (struct eventlog_stuff *)data;
3605     struct uctrl *uc;
3606
3607     /*
3608      * Deselect everything in the list box.
3609      */
3610     uc = dlg_find_byctrl(&es->dp, es->listctrl);
3611     es->ignore_selchange = 1;
3612 #if !GTK_CHECK_VERSION(2,0,0)
3613     assert(uc->list);
3614     gtk_list_unselect_all(GTK_LIST(uc->list));
3615 #else
3616     assert(uc->treeview);
3617     gtk_tree_selection_unselect_all
3618         (gtk_tree_view_get_selection(GTK_TREE_VIEW(uc->treeview)));
3619 #endif
3620     es->ignore_selchange = 0;
3621
3622     sfree(es->seldata);
3623     es->sellen = 0;
3624     es->seldata = NULL;
3625     return TRUE;
3626 }
3627
3628 void showeventlog(void *estuff, void *parentwin)
3629 {
3630     struct eventlog_stuff *es = (struct eventlog_stuff *)estuff;
3631     GtkWidget *window, *w0, *w1;
3632     GtkWidget *parent = GTK_WIDGET(parentwin);
3633     struct controlset *s0, *s1;
3634     union control *c;
3635     int index;
3636     char *title;
3637
3638     if (es->window) {
3639         gtk_widget_grab_focus(es->window);
3640         return;
3641     }
3642
3643     dlg_init(&es->dp);
3644
3645     for (index = 0; index < lenof(es->scs.sc); index++) {
3646         es->scs.sc[index].action = SHORTCUT_EMPTY;
3647     }
3648
3649     es->eventbox = ctrl_new_box();
3650
3651     s0 = ctrl_getset(es->eventbox, "", "", "");
3652     ctrl_columns(s0, 3, 33, 34, 33);
3653     c = ctrl_pushbutton(s0, "Close", 'c', HELPCTX(no_help),
3654                         eventlog_ok_handler, P(NULL));
3655     c->button.column = 1;
3656     c->button.isdefault = TRUE;
3657
3658     s1 = ctrl_getset(es->eventbox, "x", "", "");
3659     es->listctrl = c = ctrl_listbox(s1, NULL, NO_SHORTCUT, HELPCTX(no_help),
3660                                     eventlog_list_handler, P(es));
3661     c->listbox.height = 10;
3662     c->listbox.multisel = 2;
3663     c->listbox.ncols = 3;
3664     c->listbox.percentages = snewn(3, int);
3665     c->listbox.percentages[0] = 25;
3666     c->listbox.percentages[1] = 10;
3667     c->listbox.percentages[2] = 65;
3668
3669     es->window = window = gtk_dialog_new();
3670     title = dupcat(appname, " Event Log", NULL);
3671     gtk_window_set_title(GTK_WINDOW(window), title);
3672     sfree(title);
3673     w0 = layout_ctrls(&es->dp, &es->scs, s0, GTK_WINDOW(window));
3674     set_dialog_action_area(GTK_DIALOG(window), w0);
3675     gtk_widget_show(w0);
3676     w1 = layout_ctrls(&es->dp, &es->scs, s1, GTK_WINDOW(window));
3677     gtk_container_set_border_width(GTK_CONTAINER(w1), 10);
3678     gtk_widget_set_usize(w1, 20 +
3679                          string_width("LINE OF TEXT GIVING WIDTH OF EVENT LOG"
3680                                       " IS QUITE LONG 'COS SSH LOG ENTRIES"
3681                                       " ARE WIDE"), -1);
3682     gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
3683                        w1, TRUE, TRUE, 0);
3684     gtk_widget_show(w1);
3685
3686     es->dp.data = es;
3687     es->dp.shortcuts = &es->scs;
3688     es->dp.lastfocus = NULL;
3689     es->dp.retval = 0;
3690     es->dp.window = window;
3691
3692     dlg_refresh(NULL, &es->dp);
3693
3694     if (parent) {
3695         set_transient_window_pos(parent, window);
3696         gtk_window_set_transient_for(GTK_WINDOW(window),
3697                                      GTK_WINDOW(parent));
3698     } else
3699         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
3700     gtk_widget_show(window);
3701
3702     gtk_signal_connect(GTK_OBJECT(window), "destroy",
3703                        GTK_SIGNAL_FUNC(eventlog_destroy), es);
3704     gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
3705                        GTK_SIGNAL_FUNC(win_key_press), &es->dp);
3706     gtk_signal_connect(GTK_OBJECT(window), "selection_get",
3707                        GTK_SIGNAL_FUNC(eventlog_selection_get), es);
3708     gtk_signal_connect(GTK_OBJECT(window), "selection_clear_event",
3709                        GTK_SIGNAL_FUNC(eventlog_selection_clear), es);
3710 }
3711
3712 void *eventlogstuff_new(void)
3713 {
3714     struct eventlog_stuff *es;
3715     es = snew(struct eventlog_stuff);
3716     memset(es, 0, sizeof(*es));
3717     return es;
3718 }
3719
3720 void logevent_dlg(void *estuff, const char *string)
3721 {
3722     struct eventlog_stuff *es = (struct eventlog_stuff *)estuff;
3723
3724     char timebuf[40];
3725     struct tm tm;
3726
3727     if (es->nevents >= es->negsize) {
3728         es->negsize += 64;
3729         es->events = sresize(es->events, es->negsize, char *);
3730     }
3731
3732     tm=ltime();
3733     strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S\t", &tm);
3734
3735     es->events[es->nevents] = snewn(strlen(timebuf) + strlen(string) + 1, char);
3736     strcpy(es->events[es->nevents], timebuf);
3737     strcat(es->events[es->nevents], string);
3738     if (es->window) {
3739         dlg_listbox_add(es->listctrl, &es->dp, es->events[es->nevents]);
3740     }
3741     es->nevents++;
3742 }
3743
3744 int askappend(void *frontend, Filename filename,
3745               void (*callback)(void *ctx, int result), void *ctx)
3746 {
3747     static const char msgtemplate[] =
3748         "The session log file \"%.*s\" already exists. "
3749         "You can overwrite it with a new session log, "
3750         "append your session log to the end of it, "
3751         "or disable session logging for this session.";
3752     char *message;
3753     char *mbtitle;
3754     int mbret;
3755
3756     message = dupprintf(msgtemplate, FILENAME_MAX, filename.path);
3757     mbtitle = dupprintf("%s Log to File", appname);
3758
3759     mbret = messagebox(get_window(frontend), mbtitle, message,
3760                        string_width("LINE OF TEXT SUITABLE FOR THE"
3761                                     " ASKAPPEND WIDTH"),
3762                        "Overwrite", 'o', 1, 2,
3763                        "Append", 'a', 0, 1,
3764                        "Disable", 'd', -1, 0,
3765                        NULL);
3766
3767     sfree(message);
3768     sfree(mbtitle);
3769
3770     return mbret;
3771 }