unix/gtkdlg.c

   1 /*
   2  * gtkdlg.c - GTK implementation of the PuTTY configuration box.
   3  */
   4
   5 /*
   6  * TODO when porting to GTK 2.0:
   7  *
   8  *  - GtkTree is apparently deprecated and we should switch to
   9  *    GtkTreeView instead.
  10  *  - GtkLabel has a built-in mnemonic scheme, so we should at
  11  *    least consider switching to that from the current adhockery.
  12  */
  13
  14 #include <assert.h>
  15 #include <ctype.h>
  16 #include <gtk/gtk.h>
  17 #include <gdk/gdkkeysyms.h>
  18 #include <gdk/gdkx.h>
  19 #include <X11/Xlib.h>
  20 #include <X11/Xutil.h>
  21
  22 #include "gtkcols.h"
  23 #include "gtkpanel.h"
  24
  25 #ifdef TESTMODE
  26 #define PUTTY_DO_GLOBALS               /* actually _define_ globals */
  27 #endif
  28
  29 #include "putty.h"
  30 #include "dialog.h"
  31 #include "tree234.h"
  32
  33 struct Shortcut {
  34     GtkWidget *widget;
  35     struct uctrl *uc;
  36     int action;
  37 };
  38
  39 struct Shortcuts {
  40     struct Shortcut sc[128];
  41 };
  42
  43 struct uctrl {
  44     union control *ctrl;
  45     GtkWidget *toplevel;
  46     void *privdata;
  47     int privdata_needs_free;
  48     GtkWidget **buttons; int nbuttons; /* for radio buttons */
  49     GtkWidget *entry;         /* for editbox, combobox, filesel, fontsel */
  50     GtkWidget *button;        /* for filesel, fontsel */
  51     GtkWidget *list;          /* for combobox, listbox */
  52     GtkWidget *menu;          /* for optionmenu (==droplist) */
  53     GtkWidget *optmenu;       /* also for optionmenu */
  54     GtkWidget *text;          /* for text */
  55     GtkAdjustment *adj;       /* for the scrollbar in a list box */
  56     guint textsig;
  57 };
  58
  59 struct dlgparam {
  60     tree234 *byctrl, *bywidget;
  61     void *data;
  62     struct { unsigned char r, g, b, ok; } coloursel_result;   /* 0-255 */
  63     /* `flags' are set to indicate when a GTK signal handler is being called
  64      * due to automatic processing and should not flag a user event. */
  65     int flags;
  66     struct Shortcuts *shortcuts;
  67     GtkWidget *window, *cancelbutton, *currtreeitem, **treeitems;
  68     union control *currfocus, *lastfocus;
  69     int ntreeitems;
  70     int retval;
  71 };
  72 #define FLAG_UPDATING_COMBO_LIST 1
  73
  74 enum {                                 /* values for Shortcut.action */
  75     SHORTCUT_EMPTY,                    /* no shortcut on this key */
  76     SHORTCUT_TREE,                     /* focus a tree item */
  77     SHORTCUT_FOCUS,                    /* focus the supplied widget */
  78     SHORTCUT_UCTRL,                    /* do something sane with uctrl */
  79     SHORTCUT_UCTRL_UP,                 /* uctrl is a draglist, move Up */
  80     SHORTCUT_UCTRL_DOWN,               /* uctrl is a draglist, move Down */
  81 };
  82
  83 /*
  84  * Forward references.
  85  */
  86 static gboolean widget_focus(GtkWidget *widget, GdkEventFocus *event,
  87                              gpointer data);
  88 static void shortcut_add(struct Shortcuts *scs, GtkWidget *labelw,
  89                          int chr, int action, void *ptr);
  90 static int listitem_single_key(GtkWidget *item, GdkEventKey *event,
  91                                gpointer data);
  92 static int listitem_multi_key(GtkWidget *item, GdkEventKey *event,
  93                                  gpointer data);
  94 static int listitem_button(GtkWidget *item, GdkEventButton *event,
  95                             gpointer data);
  96 static void menuitem_activate(GtkMenuItem *item, gpointer data);
  97 static void coloursel_ok(GtkButton *button, gpointer data);
  98 static void coloursel_cancel(GtkButton *button, gpointer data);
  99 static void window_destroy(GtkWidget *widget, gpointer data);
 100
 101 static int uctrl_cmp_byctrl(void *av, void *bv)
 102 {
 103     struct uctrl *a = (struct uctrl *)av;
 104     struct uctrl *b = (struct uctrl *)bv;
 105     if (a->ctrl < b->ctrl)
 106         return -1;
 107     else if (a->ctrl > b->ctrl)
 108         return +1;
 109     return 0;
 110 }
 111
 112 static int uctrl_cmp_byctrl_find(void *av, void *bv)
 113 {
 114     union control *a = (union control *)av;
 115     struct uctrl *b = (struct uctrl *)bv;
 116     if (a < b->ctrl)
 117         return -1;
 118     else if (a > b->ctrl)
 119         return +1;
 120     return 0;
 121 }
 122
 123 static int uctrl_cmp_bywidget(void *av, void *bv)
 124 {
 125     struct uctrl *a = (struct uctrl *)av;
 126     struct uctrl *b = (struct uctrl *)bv;
 127     if (a->toplevel < b->toplevel)
 128         return -1;
 129     else if (a->toplevel > b->toplevel)
 130         return +1;
 131     return 0;
 132 }
 133
 134 static int uctrl_cmp_bywidget_find(void *av, void *bv)
 135 {
 136     GtkWidget *a = (GtkWidget *)av;
 137     struct uctrl *b = (struct uctrl *)bv;
 138     if (a < b->toplevel)
 139         return -1;
 140     else if (a > b->toplevel)
 141         return +1;
 142     return 0;
 143 }
 144
 145 static void dlg_init(struct dlgparam *dp)
 146 {
 147     dp->byctrl = newtree234(uctrl_cmp_byctrl);
 148     dp->bywidget = newtree234(uctrl_cmp_bywidget);
 149     dp->coloursel_result.ok = FALSE;
 150 }
 151
 152 static void dlg_cleanup(struct dlgparam *dp)
 153 {
 154     struct uctrl *uc;
 155
 156     freetree234(dp->byctrl);           /* doesn't free the uctrls inside */
 157     while ( (uc = index234(dp->bywidget, 0)) != NULL) {
 158         del234(dp->bywidget, uc);
 159         if (uc->privdata_needs_free)
 160             sfree(uc->privdata);
 161         sfree(uc->buttons);
 162         sfree(uc);
 163     }
 164     freetree234(dp->bywidget);
 165     sfree(dp->treeitems);
 166 }
 167
 168 static void dlg_add_uctrl(struct dlgparam *dp, struct uctrl *uc)
 169 {
 170     add234(dp->byctrl, uc);
 171     add234(dp->bywidget, uc);
 172 }
 173
 174 static struct uctrl *dlg_find_byctrl(struct dlgparam *dp, union control *ctrl)
 175 {
 176     return find234(dp->byctrl, ctrl, uctrl_cmp_byctrl_find);
 177 }
 178
 179 static struct uctrl *dlg_find_bywidget(struct dlgparam *dp, GtkWidget *w)
 180 {
 181     struct uctrl *ret = NULL;
 182     do {
 183         ret = find234(dp->bywidget, w, uctrl_cmp_bywidget_find);
 184         if (ret)
 185             return ret;
 186         w = w->parent;
 187     } while (w);
 188     return ret;
 189 }
 190
 191 void *dlg_get_privdata(union control *ctrl, void *dlg)
 192 {
 193     struct dlgparam *dp = (struct dlgparam *)dlg;
 194     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 195     return uc->privdata;
 196 }
 197
 198 void dlg_set_privdata(union control *ctrl, void *dlg, void *ptr)
 199 {
 200     struct dlgparam *dp = (struct dlgparam *)dlg;
 201     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 202     uc->privdata = ptr;
 203     uc->privdata_needs_free = FALSE;
 204 }
 205
 206 void *dlg_alloc_privdata(union control *ctrl, void *dlg, size_t size)
 207 {
 208     struct dlgparam *dp = (struct dlgparam *)dlg;
 209     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 210     uc->privdata = smalloc(size);
 211     uc->privdata_needs_free = FALSE;
 212     return uc->privdata;
 213 }
 214
 215 union control *dlg_last_focused(union control *ctrl, void *dlg)
 216 {
 217     struct dlgparam *dp = (struct dlgparam *)dlg;
 218     if (dp->currfocus != ctrl)
 219         return dp->currfocus;
 220     else
 221         return dp->lastfocus;
 222 }
 223
 224 void dlg_radiobutton_set(union control *ctrl, void *dlg, int which)
 225 {
 226     struct dlgparam *dp = (struct dlgparam *)dlg;
 227     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 228     assert(uc->ctrl->generic.type == CTRL_RADIO);
 229     assert(uc->buttons != NULL);
 230     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(uc->buttons[which]), TRUE);
 231 }
 232
 233 int dlg_radiobutton_get(union control *ctrl, void *dlg)
 234 {
 235     struct dlgparam *dp = (struct dlgparam *)dlg;
 236     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 237     int i;
 238
 239     assert(uc->ctrl->generic.type == CTRL_RADIO);
 240     assert(uc->buttons != NULL);
 241     for (i = 0; i < uc->nbuttons; i++)
 242         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(uc->buttons[i])))
 243             return i;
 244     return 0;                          /* got to return something */
 245 }
 246
 247 void dlg_checkbox_set(union control *ctrl, void *dlg, int checked)
 248 {
 249     struct dlgparam *dp = (struct dlgparam *)dlg;
 250     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 251     assert(uc->ctrl->generic.type == CTRL_CHECKBOX);
 252     gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(uc->toplevel), checked);
 253 }
 254
 255 int dlg_checkbox_get(union control *ctrl, void *dlg)
 256 {
 257     struct dlgparam *dp = (struct dlgparam *)dlg;
 258     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 259     assert(uc->ctrl->generic.type == CTRL_CHECKBOX);
 260     return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(uc->toplevel));
 261 }
 262
 263 void dlg_editbox_set(union control *ctrl, void *dlg, char const *text)
 264 {
 265     struct dlgparam *dp = (struct dlgparam *)dlg;
 266     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 267     assert(uc->ctrl->generic.type == CTRL_EDITBOX);
 268     assert(uc->entry != NULL);
 269     gtk_entry_set_text(GTK_ENTRY(uc->entry), text);
 270 }
 271
 272 void dlg_editbox_get(union control *ctrl, void *dlg, char *buffer, int length)
 273 {
 274     struct dlgparam *dp = (struct dlgparam *)dlg;
 275     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 276     assert(uc->ctrl->generic.type == CTRL_EDITBOX);
 277     assert(uc->entry != NULL);
 278     strncpy(buffer, gtk_entry_get_text(GTK_ENTRY(uc->entry)),
 279             length);
 280     buffer[length-1] = '\0';
 281 }
 282
 283 static void container_remove_and_destroy(GtkWidget *w, gpointer data)
 284 {
 285     GtkContainer *cont = GTK_CONTAINER(data);
 286     /* gtk_container_remove will unref the widget for us; we need not. */
 287     gtk_container_remove(cont, w);
 288 }
 289
 290 /* The `listbox' functions can also apply to combo boxes. */
 291 void dlg_listbox_clear(union control *ctrl, void *dlg)
 292 {
 293     struct dlgparam *dp = (struct dlgparam *)dlg;
 294     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 295     GtkContainer *cont;
 296
 297     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 298            uc->ctrl->generic.type == CTRL_LISTBOX);
 299     assert(uc->menu != NULL || uc->list != NULL);
 300
 301     cont = (uc->menu ? GTK_CONTAINER(uc->menu) : GTK_CONTAINER(uc->list));
 302
 303     gtk_container_foreach(cont, container_remove_and_destroy, cont);
 304 }
 305
 306 void dlg_listbox_del(union control *ctrl, void *dlg, int index)
 307 {
 308     struct dlgparam *dp = (struct dlgparam *)dlg;
 309     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 310
 311     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 312            uc->ctrl->generic.type == CTRL_LISTBOX);
 313     assert(uc->menu != NULL || uc->list != NULL);
 314
 315     if (uc->menu) {
 316         gtk_container_remove
 317             (GTK_CONTAINER(uc->menu),
 318              g_list_nth_data(GTK_MENU_SHELL(uc->menu)->children, index));
 319     } else {
 320         gtk_list_clear_items(GTK_LIST(uc->list), index, index+1);
 321     }
 322 }
 323
 324 void dlg_listbox_add(union control *ctrl, void *dlg, char const *text)
 325 {
 326     dlg_listbox_addwithid(ctrl, dlg, text, 0);
 327 }
 328
 329 /*
 330  * Each listbox entry may have a numeric id associated with it.
 331  * Note that some front ends only permit a string to be stored at
 332  * each position, which means that _if_ you put two identical
 333  * strings in any listbox then you MUST not assign them different
 334  * IDs and expect to get meaningful results back.
 335  */
 336 void dlg_listbox_addwithid(union control *ctrl, void *dlg,
 337                            char const *text, int id)
 338 {
 339     struct dlgparam *dp = (struct dlgparam *)dlg;
 340     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 341
 342     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 343            uc->ctrl->generic.type == CTRL_LISTBOX);
 344     assert(uc->menu != NULL || uc->list != NULL);
 345
 346     dp->flags |= FLAG_UPDATING_COMBO_LIST;
 347
 348     if (uc->menu) {
 349         /*
 350          * List item in a drop-down (but non-combo) list. Tabs are
 351          * ignored; we just provide a standard menu item with the
 352          * text.
 353          */
 354         GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
 355
 356         gtk_container_add(GTK_CONTAINER(uc->menu), menuitem);
 357         gtk_widget_show(menuitem);
 358
 359         gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", (gpointer)id);
 360         gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
 361                            GTK_SIGNAL_FUNC(menuitem_activate), dp);
 362     } else if (!uc->entry) {
 363         /*
 364          * List item in a non-combo-box list box. We make all of
 365          * these Columns containing GtkLabels. This allows us to do
 366          * the nasty force_left hack irrespective of whether there
 367          * are tabs in the thing.
 368          */
 369         GtkWidget *listitem = gtk_list_item_new();
 370         GtkWidget *cols = columns_new(10);
 371         gint *percents;
 372         int i, ncols;
 373
 374         /* Count the tabs in the text, and hence determine # of columns. */
 375         ncols = 1;
 376         for (i = 0; text[i]; i++)
 377             if (text[i] == '\t')
 378                 ncols++;
 379
 380         assert(ncols <=
 381                (uc->ctrl->listbox.ncols ? uc->ctrl->listbox.ncols : 1));
 382         percents = smalloc(ncols * sizeof(gint));
 383         percents[ncols-1] = 100;
 384         for (i = 0; i < ncols-1; i++) {
 385             percents[i] = uc->ctrl->listbox.percentages[i];
 386             percents[ncols-1] -= percents[i];
 387         }
 388         columns_set_cols(COLUMNS(cols), ncols, percents);
 389         sfree(percents);
 390
 391         for (i = 0; i < ncols; i++) {
 392             int len = strcspn(text, "\t");
 393             char *dup = dupprintf("%.*s", len, text);
 394             GtkWidget *label;
 395
 396             text += len;
 397             if (*text) text++;
 398             label = gtk_label_new(dup);
 399             sfree(dup);
 400
 401             columns_add(COLUMNS(cols), label, i, 1);
 402             columns_force_left_align(COLUMNS(cols), label);
 403             gtk_widget_show(label);
 404         }
 405         gtk_container_add(GTK_CONTAINER(listitem), cols);
 406         gtk_widget_show(cols);
 407         gtk_container_add(GTK_CONTAINER(uc->list), listitem);
 408         gtk_widget_show(listitem);
 409
 410         if (ctrl->listbox.multisel) {
 411             gtk_signal_connect(GTK_OBJECT(listitem), "key_press_event",
 412                                GTK_SIGNAL_FUNC(listitem_multi_key), uc->adj);
 413         } else {
 414             gtk_signal_connect(GTK_OBJECT(listitem), "key_press_event",
 415                                GTK_SIGNAL_FUNC(listitem_single_key), uc->adj);
 416         }
 417         gtk_signal_connect(GTK_OBJECT(listitem), "focus_in_event",
 418                            GTK_SIGNAL_FUNC(widget_focus), dp);
 419         gtk_signal_connect(GTK_OBJECT(listitem), "button_press_event",
 420                            GTK_SIGNAL_FUNC(listitem_button), dp);
 421         gtk_object_set_data(GTK_OBJECT(listitem), "user-data", (gpointer)id);
 422     } else {
 423         /*
 424          * List item in a combo-box list, which means the sensible
 425          * thing to do is make it a perfectly normal label. Hence
 426          * tabs are disregarded.
 427          */
 428         GtkWidget *listitem = gtk_list_item_new_with_label(text);
 429
 430         gtk_container_add(GTK_CONTAINER(uc->list), listitem);
 431         gtk_widget_show(listitem);
 432
 433         gtk_object_set_data(GTK_OBJECT(listitem), "user-data", (gpointer)id);
 434     }
 435
 436     dp->flags &= ~FLAG_UPDATING_COMBO_LIST;
 437 }
 438
 439 int dlg_listbox_getid(union control *ctrl, void *dlg, int index)
 440 {
 441     struct dlgparam *dp = (struct dlgparam *)dlg;
 442     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 443     GList *children;
 444     GtkObject *item;
 445
 446     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 447            uc->ctrl->generic.type == CTRL_LISTBOX);
 448     assert(uc->menu != NULL || uc->list != NULL);
 449
 450     children = gtk_container_children(GTK_CONTAINER(uc->menu ? uc->menu :
 451                                                     uc->list));
 452     item = GTK_OBJECT(g_list_nth_data(children, index));
 453     g_list_free(children);
 454
 455     return (int)gtk_object_get_data(GTK_OBJECT(item), "user-data");
 456 }
 457
 458 /* dlg_listbox_index returns <0 if no single element is selected. */
 459 int dlg_listbox_index(union control *ctrl, void *dlg)
 460 {
 461     struct dlgparam *dp = (struct dlgparam *)dlg;
 462     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 463     GList *children;
 464     GtkWidget *item, *activeitem;
 465     int i;
 466     int selected = -1;
 467
 468     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 469            uc->ctrl->generic.type == CTRL_LISTBOX);
 470     assert(uc->menu != NULL || uc->list != NULL);
 471
 472     if (uc->menu)
 473         activeitem = gtk_menu_get_active(GTK_MENU(uc->menu));
 474
 475     children = gtk_container_children(GTK_CONTAINER(uc->menu ? uc->menu :
 476                                                     uc->list));
 477     for (i = 0; children!=NULL && (item = GTK_WIDGET(children->data))!=NULL;
 478          i++, children = children->next) {
 479         if (uc->menu ? activeitem == item :
 480             GTK_WIDGET_STATE(item) == GTK_STATE_SELECTED) {
 481             if (selected == -1)
 482                 selected = i;
 483             else
 484                 selected = -2;
 485         }
 486     }
 487     g_list_free(children);
 488     return selected < 0 ? -1 : selected;
 489 }
 490
 491 int dlg_listbox_issel(union control *ctrl, void *dlg, int index)
 492 {
 493     struct dlgparam *dp = (struct dlgparam *)dlg;
 494     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 495     GList *children;
 496     GtkWidget *item, *activeitem;
 497
 498     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 499            uc->ctrl->generic.type == CTRL_LISTBOX);
 500     assert(uc->menu != NULL || uc->list != NULL);
 501
 502     children = gtk_container_children(GTK_CONTAINER(uc->menu ? uc->menu :
 503                                                     uc->list));
 504     item = GTK_WIDGET(g_list_nth_data(children, index));
 505     g_list_free(children);
 506
 507     if (uc->menu) {
 508         activeitem = gtk_menu_get_active(GTK_MENU(uc->menu));
 509         return item == activeitem;
 510     } else {
 511         return GTK_WIDGET_STATE(item) == GTK_STATE_SELECTED;
 512     }
 513 }
 514
 515 void dlg_listbox_select(union control *ctrl, void *dlg, int index)
 516 {
 517     struct dlgparam *dp = (struct dlgparam *)dlg;
 518     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 519
 520     assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
 521            uc->ctrl->generic.type == CTRL_LISTBOX);
 522     assert(uc->optmenu != NULL || uc->list != NULL);
 523
 524     if (uc->optmenu) {
 525         gtk_option_menu_set_history(GTK_OPTION_MENU(uc->optmenu), index);
 526     } else {
 527         gtk_list_select_item(GTK_LIST(uc->list), index);
 528     }
 529 }
 530
 531 void dlg_text_set(union control *ctrl, void *dlg, char const *text)
 532 {
 533     struct dlgparam *dp = (struct dlgparam *)dlg;
 534     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 535
 536     assert(uc->ctrl->generic.type == CTRL_TEXT);
 537     assert(uc->text != NULL);
 538
 539     gtk_label_set_text(GTK_LABEL(uc->text), text);
 540 }
 541
 542 void dlg_filesel_set(union control *ctrl, void *dlg, Filename fn)
 543 {
 544     struct dlgparam *dp = (struct dlgparam *)dlg;
 545     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 546     assert(uc->ctrl->generic.type == CTRL_FILESELECT);
 547     assert(uc->entry != NULL);
 548     gtk_entry_set_text(GTK_ENTRY(uc->entry), fn.path);
 549 }
 550
 551 void dlg_filesel_get(union control *ctrl, void *dlg, Filename *fn)
 552 {
 553     struct dlgparam *dp = (struct dlgparam *)dlg;
 554     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 555     assert(uc->ctrl->generic.type == CTRL_FILESELECT);
 556     assert(uc->entry != NULL);
 557     strncpy(fn->path, gtk_entry_get_text(GTK_ENTRY(uc->entry)),
 558             lenof(fn->path));
 559     fn->path[lenof(fn->path)-1] = '\0';
 560 }
 561
 562 void dlg_fontsel_set(union control *ctrl, void *dlg, FontSpec fs)
 563 {
 564     struct dlgparam *dp = (struct dlgparam *)dlg;
 565     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 566     assert(uc->ctrl->generic.type == CTRL_FONTSELECT);
 567     assert(uc->entry != NULL);
 568     gtk_entry_set_text(GTK_ENTRY(uc->entry), fs.name);
 569 }
 570
 571 void dlg_fontsel_get(union control *ctrl, void *dlg, FontSpec *fs)
 572 {
 573     struct dlgparam *dp = (struct dlgparam *)dlg;
 574     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 575     assert(uc->ctrl->generic.type == CTRL_FONTSELECT);
 576     assert(uc->entry != NULL);
 577     strncpy(fs->name, gtk_entry_get_text(GTK_ENTRY(uc->entry)),
 578             lenof(fs->name));
 579     fs->name[lenof(fs->name)-1] = '\0';
 580 }
 581
 582 /*
 583  * Bracketing a large set of updates in these two functions will
 584  * cause the front end (if possible) to delay updating the screen
 585  * until it's all complete, thus avoiding flicker.
 586  */
 587 void dlg_update_start(union control *ctrl, void *dlg)
 588 {
 589     /*
 590      * Apparently we can't do this at all in GTK. GtkCList supports
 591      * freeze and thaw, but not GtkList. Bah.
 592      */
 593 }
 594
 595 void dlg_update_done(union control *ctrl, void *dlg)
 596 {
 597     /*
 598      * Apparently we can't do this at all in GTK. GtkCList supports
 599      * freeze and thaw, but not GtkList. Bah.
 600      */
 601 }
 602
 603 void dlg_set_focus(union control *ctrl, void *dlg)
 604 {
 605     struct dlgparam *dp = (struct dlgparam *)dlg;
 606     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 607
 608     switch (ctrl->generic.type) {
 609       case CTRL_CHECKBOX:
 610       case CTRL_BUTTON:
 611         /* Check boxes and buttons get the focus _and_ get toggled. */
 612         gtk_widget_grab_focus(uc->toplevel);
 613         break;
 614       case CTRL_FILESELECT:
 615       case CTRL_FONTSELECT:
 616       case CTRL_EDITBOX:
 617         /* Anything containing an edit box gets that focused. */
 618         gtk_widget_grab_focus(uc->entry);
 619         break;
 620       case CTRL_RADIO:
 621         /*
 622          * Radio buttons: we find the currently selected button and
 623          * focus it.
 624          */
 625         {
 626             int i;
 627             for (i = 0; i < ctrl->radio.nbuttons; i++)
 628                 if (gtk_toggle_button_get_active
 629                     (GTK_TOGGLE_BUTTON(uc->buttons[i]))) {
 630                     gtk_widget_grab_focus(uc->buttons[i]);
 631                 }
 632         }
 633         break;
 634       case CTRL_LISTBOX:
 635         /*
 636          * If the list is really an option menu, we focus it.
 637          * Otherwise we tell it to focus one of its children, which
 638          * appears to do the Right Thing.
 639          */
 640         if (uc->optmenu) {
 641             gtk_widget_grab_focus(uc->optmenu);
 642         } else {
 643             assert(uc->list != NULL);
 644             gtk_container_focus(GTK_CONTAINER(uc->list), GTK_DIR_TAB_FORWARD);
 645         }
 646         break;
 647     }
 648 }
 649
 650 /*
 651  * During event processing, you might well want to give an error
 652  * indication to the user. dlg_beep() is a quick and easy generic
 653  * error; dlg_error() puts up a message-box or equivalent.
 654  */
 655 void dlg_beep(void *dlg)
 656 {
 657     gdk_beep();
 658 }
 659
 660 static void errmsg_button_clicked(GtkButton *button, gpointer data)
 661 {
 662     gtk_widget_destroy(GTK_WIDGET(data));
 663 }
 664
 665 void dlg_error_msg(void *dlg, char *msg)
 666 {
 667     struct dlgparam *dp = (struct dlgparam *)dlg;
 668     GtkWidget *window, *hbox, *text, *ok;
 669
 670     window = gtk_dialog_new();
 671     text = gtk_label_new(msg);
 672     gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
 673     hbox = gtk_hbox_new(FALSE, 0);
 674     gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
 675     gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
 676                        hbox, FALSE, FALSE, 20);
 677     gtk_widget_show(text);
 678     gtk_widget_show(hbox);
 679     gtk_window_set_title(GTK_WINDOW(window), "Error");
 680     gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
 681     ok = gtk_button_new_with_label("OK");
 682     gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
 683                      ok, FALSE, FALSE, 0);
 684     gtk_widget_show(ok);
 685     GTK_WIDGET_SET_FLAGS(ok, GTK_CAN_DEFAULT);
 686     gtk_window_set_default(GTK_WINDOW(window), ok);
 687     gtk_signal_connect(GTK_OBJECT(ok), "clicked",
 688                        GTK_SIGNAL_FUNC(errmsg_button_clicked), window);
 689     gtk_signal_connect(GTK_OBJECT(window), "destroy",
 690                        GTK_SIGNAL_FUNC(window_destroy), NULL);
 691     gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 692     gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(dp->window));
 693     {
 694         gint x, y, w, h, dx, dy;
 695         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_NONE);
 696         gdk_window_get_origin(GTK_WIDGET(dp->window)->window, &x, &y);
 697         gdk_window_get_size(GTK_WIDGET(dp->window)->window, &w, &h);
 698         dx = x + w/4;
 699         dy = y + h/4;
 700         gtk_widget_set_uposition(GTK_WIDGET(window), dx, dy);
 701     }
 702     gtk_widget_show(window);
 703     gtk_main();
 704 }
 705
 706 /*
 707  * This function signals to the front end that the dialog's
 708  * processing is completed, and passes an integer value (typically
 709  * a success status).
 710  */
 711 void dlg_end(void *dlg, int value)
 712 {
 713     struct dlgparam *dp = (struct dlgparam *)dlg;
 714     dp->retval = value;
 715     gtk_main_quit();
 716 }
 717
 718 void dlg_refresh(union control *ctrl, void *dlg)
 719 {
 720     struct dlgparam *dp = (struct dlgparam *)dlg;
 721     struct uctrl *uc;
 722
 723     if (ctrl) {
 724         if (ctrl->generic.handler != NULL)
 725             ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH);
 726     } else {
 727         int i;
 728
 729         for (i = 0; (uc = index234(dp->byctrl, i)) != NULL; i++) {
 730             assert(uc->ctrl != NULL);
 731             if (uc->ctrl->generic.handler != NULL)
 732                 uc->ctrl->generic.handler(uc->ctrl, dp,
 733                                           dp->data, EVENT_REFRESH);
 734         }
 735     }
 736 }
 737
 738 void dlg_coloursel_start(union control *ctrl, void *dlg, int r, int g, int b)
 739 {
 740     struct dlgparam *dp = (struct dlgparam *)dlg;
 741     struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
 742     gdouble cvals[4];
 743
 744     GtkWidget *coloursel =
 745         gtk_color_selection_dialog_new("Select a colour");
 746     GtkColorSelectionDialog *ccs = GTK_COLOR_SELECTION_DIALOG(coloursel);
 747
 748     dp->coloursel_result.ok = FALSE;
 749
 750     gtk_window_set_modal(GTK_WINDOW(coloursel), TRUE);
 751     gtk_color_selection_set_opacity(GTK_COLOR_SELECTION(ccs->colorsel), FALSE);
 752     cvals[0] = r / 255.0;
 753     cvals[1] = g / 255.0;
 754     cvals[2] = b / 255.0;
 755     cvals[3] = 1.0;                    /* fully opaque! */
 756     gtk_color_selection_set_color(GTK_COLOR_SELECTION(ccs->colorsel), cvals);
 757
 758     gtk_object_set_data(GTK_OBJECT(ccs->ok_button), "user-data",
 759                         (gpointer)coloursel);
 760     gtk_object_set_data(GTK_OBJECT(ccs->cancel_button), "user-data",
 761                         (gpointer)coloursel);
 762     gtk_object_set_data(GTK_OBJECT(coloursel), "user-data", (gpointer)uc);
 763     gtk_signal_connect(GTK_OBJECT(ccs->ok_button), "clicked",
 764                        GTK_SIGNAL_FUNC(coloursel_ok), (gpointer)dp);
 765     gtk_signal_connect(GTK_OBJECT(ccs->cancel_button), "clicked",
 766                        GTK_SIGNAL_FUNC(coloursel_cancel), (gpointer)dp);
 767     gtk_signal_connect_object(GTK_OBJECT(ccs->ok_button), "clicked",
 768                               GTK_SIGNAL_FUNC(gtk_widget_destroy),
 769                               (gpointer)coloursel);
 770     gtk_signal_connect_object(GTK_OBJECT(ccs->cancel_button), "clicked",
 771                               GTK_SIGNAL_FUNC(gtk_widget_destroy),
 772                               (gpointer)coloursel);
 773     gtk_widget_show(coloursel);
 774 }
 775
 776 int dlg_coloursel_results(union control *ctrl, void *dlg,
 777                           int *r, int *g, int *b)
 778 {
 779     struct dlgparam *dp = (struct dlgparam *)dlg;
 780     if (dp->coloursel_result.ok) {
 781         *r = dp->coloursel_result.r;
 782         *g = dp->coloursel_result.g;
 783         *b = dp->coloursel_result.b;
 784         return 1;
 785     } else
 786         return 0;
 787 }
 788
 789 /* ----------------------------------------------------------------------
 790  * Signal handlers while the dialog box is active.
 791  */
 792
 793 static gboolean widget_focus(GtkWidget *widget, GdkEventFocus *event,
 794                              gpointer data)
 795 {
 796     struct dlgparam *dp = (struct dlgparam *)data;
 797     struct uctrl *uc = dlg_find_bywidget(dp, widget);
 798     union control *focus;
 799
 800     if (uc && uc->ctrl)
 801         focus = uc->ctrl;
 802     else
 803         focus = NULL;
 804
 805     if (focus != dp->currfocus) {
 806         dp->lastfocus = dp->currfocus;
 807         dp->currfocus = focus;
 808     }
 809
 810     return FALSE;
 811 }
 812
 813 static void button_clicked(GtkButton *button, gpointer data)
 814 {
 815     struct dlgparam *dp = (struct dlgparam *)data;
 816     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
 817     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_ACTION);
 818 }
 819
 820 static void button_toggled(GtkToggleButton *tb, gpointer data)
 821 {
 822     struct dlgparam *dp = (struct dlgparam *)data;
 823     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(tb));
 824     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_VALCHANGE);
 825 }
 826
 827 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
 828 {
 829     /*
 830      * GtkEntry has a nasty habit of eating the Return key, which
 831      * is unhelpful since it doesn't actually _do_ anything with it
 832      * (it calls gtk_widget_activate, but our edit boxes never need
 833      * activating). So I catch Return before GtkEntry sees it, and
 834      * pass it straight on to the parent widget. Effect: hitting
 835      * Return in an edit box will now activate the default button
 836      * in the dialog just like it will everywhere else.
 837      */
 838     if (event->keyval == GDK_Return && widget->parent != NULL) {
 839         gint return_val;
 840         gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
 841         gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
 842                                 event, &return_val);
 843         return return_val;
 844     }
 845     return FALSE;
 846 }
 847
 848 static void editbox_changed(GtkEditable *ed, gpointer data)
 849 {
 850     struct dlgparam *dp = (struct dlgparam *)data;
 851     if (!(dp->flags & FLAG_UPDATING_COMBO_LIST)) {
 852         struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(ed));
 853         uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_VALCHANGE);
 854     }
 855 }
 856
 857 static void editbox_lostfocus(GtkWidget *ed, GdkEventFocus *event,
 858                               gpointer data)
 859 {
 860     struct dlgparam *dp = (struct dlgparam *)data;
 861     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(ed));
 862     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_REFRESH);
 863 }
 864
 865 static int listitem_key(GtkWidget *item, GdkEventKey *event, gpointer data,
 866                         int multiple)
 867 {
 868     GtkAdjustment *adj = GTK_ADJUSTMENT(data);
 869
 870     if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
 871         event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
 872         event->keyval == GDK_Page_Up || event->keyval == GDK_KP_Page_Up ||
 873         event->keyval == GDK_Page_Down || event->keyval == GDK_KP_Page_Down) {
 874         /*
 875          * Up, Down, PgUp or PgDn have been pressed on a ListItem
 876          * in a list box. So, if the list box is single-selection:
 877          *
 878          *  - if the list item in question isn't already selected,
 879          *    we simply select it.
 880          *  - otherwise, we find the next one (or next
 881          *    however-far-away) in whichever direction we're going,
 882          *    and select that.
 883          *     + in this case, we must also fiddle with the
 884          *       scrollbar to ensure the newly selected item is
 885          *       actually visible.
 886          *
 887          * If it's multiple-selection, we do all of the above
 888          * except actually selecting anything, so we move the focus
 889          * and fiddle the scrollbar to follow it.
 890          */
 891         GtkWidget *list = item->parent;
 892
 893         gtk_signal_emit_stop_by_name(GTK_OBJECT(item), "key_press_event");
 894
 895         if (!multiple &&
 896             GTK_WIDGET_STATE(item) != GTK_STATE_SELECTED) {
 897                 gtk_list_select_child(GTK_LIST(list), item);
 898         } else {
 899             int direction =
 900                 (event->keyval==GDK_Up || event->keyval==GDK_KP_Up ||
 901                  event->keyval==GDK_Page_Up || event->keyval==GDK_KP_Page_Up)
 902                 ? -1 : +1;
 903             int step =
 904                 (event->keyval==GDK_Page_Down ||
 905                  event->keyval==GDK_KP_Page_Down ||
 906                  event->keyval==GDK_Page_Up || event->keyval==GDK_KP_Page_Up)
 907                 ? 2 : 1;
 908             int i, n;
 909             GtkWidget *thisitem;
 910             GList *children, *chead;
 911
 912             chead = children = gtk_container_children(GTK_CONTAINER(list));
 913
 914             n = g_list_length(children);
 915
 916             if (step == 2) {
 917                 /*
 918                  * Figure out how many list items to a screenful,
 919                  * and adjust the step appropriately.
 920                  */
 921                 step = 0.5 + adj->page_size * n / (adj->upper - adj->lower);
 922                 step--;                /* go by one less than that */
 923             }
 924
 925             i = 0;
 926             while (children != NULL) {
 927                 if (item == children->data)
 928                     break;
 929                 children = children->next;
 930                 i++;
 931             }
 932
 933             while (step > 0) {
 934                 if (direction < 0 && i > 0)
 935                     children = children->prev, i--;
 936                 else if (direction > 0 && i < n-1)
 937                     children = children->next, i++;
 938                 step--;
 939             }
 940
 941             if (children && children->data) {
 942                 if (!multiple)
 943                     gtk_list_select_child(GTK_LIST(list),
 944                                           GTK_WIDGET(children->data));
 945                 gtk_widget_grab_focus(GTK_WIDGET(children->data));
 946                 gtk_adjustment_clamp_page
 947                     (adj,
 948                      adj->lower + (adj->upper-adj->lower) * i / n,
 949                      adj->lower + (adj->upper-adj->lower) * (i+1) / n);
 950             }
 951
 952             g_list_free(chead);
 953         }
 954         return TRUE;
 955     }
 956
 957     return FALSE;
 958 }
 959
 960 static int listitem_single_key(GtkWidget *item, GdkEventKey *event,
 961                                gpointer data)
 962 {
 963     listitem_key(item, event, data, FALSE);
 964 }
 965
 966 static int listitem_multi_key(GtkWidget *item, GdkEventKey *event,
 967                                  gpointer data)
 968 {
 969     listitem_key(item, event, data, TRUE);
 970 }
 971
 972 static int listitem_button(GtkWidget *item, GdkEventButton *event,
 973                             gpointer data)
 974 {
 975     struct dlgparam *dp = (struct dlgparam *)data;
 976     if (event->type == GDK_2BUTTON_PRESS ||
 977         event->type == GDK_3BUTTON_PRESS) {
 978         struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(item));
 979         uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_ACTION);
 980         return TRUE;
 981     }
 982     return FALSE;
 983 }
 984
 985 static void list_selchange(GtkList *list, gpointer data)
 986 {
 987     struct dlgparam *dp = (struct dlgparam *)data;
 988     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(list));
 989     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_SELCHANGE);
 990 }
 991
 992 static void menuitem_activate(GtkMenuItem *item, gpointer data)
 993 {
 994     struct dlgparam *dp = (struct dlgparam *)data;
 995     GtkWidget *menushell = GTK_WIDGET(item)->parent;
 996     gpointer optmenu = gtk_object_get_data(GTK_OBJECT(menushell), "user-data");
 997     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(optmenu));
 998     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_SELCHANGE);
 999 }
1000
1001 static void draglist_move(struct dlgparam *dp, struct uctrl *uc, int direction)
1002 {
1003     int index = dlg_listbox_index(uc->ctrl, dp);
1004     GList *children = gtk_container_children(GTK_CONTAINER(uc->list));
1005     GtkWidget *child;
1006
1007     if ((index < 0) ||
1008         (index == 0 && direction < 0) ||
1009         (index == g_list_length(children)-1 && direction > 0)) {
1010         gdk_beep();
1011         return;
1012     }
1013
1014     child = g_list_nth_data(children, index);
1015     gtk_widget_ref(child);
1016     gtk_list_clear_items(GTK_LIST(uc->list), index, index+1);
1017     g_list_free(children);
1018
1019     children = NULL;
1020     children = g_list_append(children, child);
1021     gtk_list_insert_items(GTK_LIST(uc->list), children, index + direction);
1022     gtk_list_select_item(GTK_LIST(uc->list), index + direction);
1023     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_VALCHANGE);
1024 }
1025
1026 static void draglist_up(GtkButton *button, gpointer data)
1027 {
1028     struct dlgparam *dp = (struct dlgparam *)data;
1029     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1030     draglist_move(dp, uc, -1);
1031 }
1032
1033 static void draglist_down(GtkButton *button, gpointer data)
1034 {
1035     struct dlgparam *dp = (struct dlgparam *)data;
1036     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1037     draglist_move(dp, uc, +1);
1038 }
1039
1040 static void filesel_ok(GtkButton *button, gpointer data)
1041 {
1042     struct dlgparam *dp = (struct dlgparam *)data;
1043     gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1044     struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(filesel), "user-data");
1045     char *name = gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
1046     gtk_entry_set_text(GTK_ENTRY(uc->entry), name);
1047 }
1048
1049 static void fontsel_ok(GtkButton *button, gpointer data)
1050 {
1051     struct dlgparam *dp = (struct dlgparam *)data;
1052     gpointer fontsel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1053     struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(fontsel), "user-data");
1054     char *name = gtk_font_selection_dialog_get_font_name
1055         (GTK_FONT_SELECTION_DIALOG(fontsel));
1056     gtk_entry_set_text(GTK_ENTRY(uc->entry), name);
1057 }
1058
1059 static void coloursel_ok(GtkButton *button, gpointer data)
1060 {
1061     struct dlgparam *dp = (struct dlgparam *)data;
1062     gpointer coloursel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1063     struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(coloursel), "user-data");
1064     gdouble cvals[4];
1065     gtk_color_selection_get_color
1066         (GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(coloursel)->colorsel),
1067          cvals);
1068     dp->coloursel_result.r = (int) (255 * cvals[0]);
1069     dp->coloursel_result.g = (int) (255 * cvals[1]);
1070     dp->coloursel_result.b = (int) (255 * cvals[2]);
1071     dp->coloursel_result.ok = TRUE;
1072     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_CALLBACK);
1073 }
1074
1075 static void coloursel_cancel(GtkButton *button, gpointer data)
1076 {
1077     struct dlgparam *dp = (struct dlgparam *)data;
1078     gpointer coloursel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1079     struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(coloursel), "user-data");
1080     dp->coloursel_result.ok = FALSE;
1081     uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_CALLBACK);
1082 }
1083
1084 static void filefont_clicked(GtkButton *button, gpointer data)
1085 {
1086     struct dlgparam *dp = (struct dlgparam *)data;
1087     struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1088
1089     if (uc->ctrl->generic.type == CTRL_FILESELECT) {
1090         GtkWidget *filesel =
1091             gtk_file_selection_new(uc->ctrl->fileselect.title);
1092         gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1093         gtk_object_set_data
1094             (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1095              (gpointer)filesel);
1096         gtk_object_set_data(GTK_OBJECT(filesel), "user-data", (gpointer)uc);
1097         gtk_signal_connect
1098             (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1099              GTK_SIGNAL_FUNC(filesel_ok), (gpointer)dp);
1100         gtk_signal_connect_object
1101             (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1102              GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1103         gtk_signal_connect_object
1104             (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1105              GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1106         gtk_widget_show(filesel);
1107     }
1108
1109     if (uc->ctrl->generic.type == CTRL_FONTSELECT) {
1110         gchar *spacings[] = { "c", "m", NULL };
1111         gchar *fontname = gtk_entry_get_text(GTK_ENTRY(uc->entry));
1112         GtkWidget *fontsel =
1113             gtk_font_selection_dialog_new("Select a font");
1114         gtk_window_set_modal(GTK_WINDOW(fontsel), TRUE);
1115         gtk_font_selection_dialog_set_filter
1116             (GTK_FONT_SELECTION_DIALOG(fontsel),
1117              GTK_FONT_FILTER_BASE, GTK_FONT_ALL,
1118              NULL, NULL, NULL, NULL, spacings, NULL);
1119         if (!gtk_font_selection_dialog_set_font_name
1120             (GTK_FONT_SELECTION_DIALOG(fontsel), fontname)) {
1121             /*
1122              * If the font name wasn't found as it was, try opening
1123              * it and extracting its FONT property. This should
1124              * have the effect of mapping short aliases into true
1125              * XLFDs.
1126              */
1127             GdkFont *font = gdk_font_load(fontname);
1128             if (font) {
1129                 XFontStruct *xfs = GDK_FONT_XFONT(font);
1130                 Display *disp = GDK_FONT_XDISPLAY(font);
1131                 Atom fontprop = XInternAtom(disp, "FONT", False);
1132                 unsigned long ret;
1133                 if (XGetFontProperty(xfs, fontprop, &ret)) {
1134                     char *name = XGetAtomName(disp, (Atom)ret);
1135                     if (name)
1136                         gtk_font_selection_dialog_set_font_name
1137                         (GTK_FONT_SELECTION_DIALOG(fontsel), name);
1138                 }
1139                 gdk_font_unref(font);
1140             }
1141         }
1142         gtk_object_set_data
1143             (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->ok_button),
1144              "user-data", (gpointer)fontsel);
1145         gtk_object_set_data(GTK_OBJECT(fontsel), "user-data", (gpointer)uc);
1146         gtk_signal_connect
1147             (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->ok_button),
1148              "clicked", GTK_SIGNAL_FUNC(fontsel_ok), (gpointer)dp);
1149         gtk_signal_connect_object
1150             (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->ok_button),
1151              "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy),
1152              (gpointer)fontsel);
1153         gtk_signal_connect_object
1154             (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->cancel_button),
1155              "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy),
1156              (gpointer)fontsel);
1157         gtk_widget_show(fontsel);
1158     }
1159 }
1160
1161 static void label_sizealloc(GtkWidget *widget, GtkAllocation *alloc,
1162                             gpointer data)
1163 {
1164     struct dlgparam *dp = (struct dlgparam *)data;
1165     struct uctrl *uc = dlg_find_bywidget(dp, widget);
1166
1167     gtk_widget_set_usize(uc->text, alloc->width, -1);
1168     gtk_label_set_text(GTK_LABEL(uc->text), uc->ctrl->generic.label);
1169     gtk_signal_disconnect(GTK_OBJECT(uc->text), uc->textsig);
1170 }
1171
1172 /* ----------------------------------------------------------------------
1173  * This function does the main layout work: it reads a controlset,
1174  * it creates the relevant GTK controls, and returns a GtkWidget
1175  * containing the result. (This widget might be a title of some
1176  * sort, it might be a Columns containing many controls, or it
1177  * might be a GtkFrame containing a Columns; whatever it is, it's
1178  * definitely a GtkWidget and should probably be added to a
1179  * GtkVbox.)
1180  *
1181  * `listitemheight' is used to calculate a usize for list boxes: it
1182  * should be the height from the size request of a GtkListItem.
1183  *
1184  * `win' is required for setting the default button. If it is
1185  * non-NULL, all buttons created will be default-capable (so they
1186  * have extra space round them for the default highlight).
1187  */
1188 GtkWidget *layout_ctrls(struct dlgparam *dp, struct Shortcuts *scs,
1189                         struct controlset *s, int listitemheight,
1190                         GtkWindow *win)
1191 {
1192     Columns *cols;
1193     GtkWidget *ret;
1194     int i;
1195
1196     if (!s->boxname && s->boxtitle) {
1197         /* This controlset is a panel title. */
1198         return gtk_label_new(s->boxtitle);
1199     }
1200
1201     /*
1202      * Otherwise, we expect to be laying out actual controls, so
1203      * we'll start by creating a Columns for the purpose.
1204      */
1205     cols = COLUMNS(columns_new(4));
1206     ret = GTK_WIDGET(cols);
1207     gtk_widget_show(ret);
1208
1209     /*
1210      * Create a containing frame if we have a box name.
1211      */
1212     if (*s->boxname) {
1213         ret = gtk_frame_new(s->boxtitle);   /* NULL is valid here */
1214         gtk_container_set_border_width(GTK_CONTAINER(cols), 4);
1215         gtk_container_add(GTK_CONTAINER(ret), GTK_WIDGET(cols));
1216         gtk_widget_show(ret);
1217     }
1218
1219     /*
1220      * Now iterate through the controls themselves, create them,
1221      * and add them to the Columns.
1222      */
1223     for (i = 0; i < s->ncontrols; i++) {
1224         union control *ctrl = s->ctrls[i];
1225         struct uctrl *uc;
1226         int left = FALSE;
1227         GtkWidget *w = NULL;
1228
1229         switch (ctrl->generic.type) {
1230           case CTRL_COLUMNS:
1231             {
1232                 static const int simplecols[1] = { 100 };
1233                 columns_set_cols(cols, ctrl->columns.ncols,
1234                                  (ctrl->columns.percentages ?
1235                                   ctrl->columns.percentages : simplecols));
1236             }
1237             continue;                  /* no actual control created */
1238           case CTRL_TABDELAY:
1239             {
1240                 struct uctrl *uc = dlg_find_byctrl(dp, ctrl->tabdelay.ctrl);
1241                 if (uc)
1242                     columns_taborder_last(cols, uc->toplevel);
1243             }
1244             continue;                  /* no actual control created */
1245         }
1246
1247         uc = smalloc(sizeof(struct uctrl));
1248         uc->ctrl = ctrl;
1249         uc->privdata = NULL;
1250         uc->privdata_needs_free = FALSE;
1251         uc->buttons = NULL;
1252         uc->entry = uc->list = uc->menu = NULL;
1253         uc->button = uc->optmenu = uc->text = NULL;
1254
1255         switch (ctrl->generic.type) {
1256           case CTRL_BUTTON:
1257             w = gtk_button_new_with_label(ctrl->generic.label);
1258             if (win) {
1259                 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
1260                 if (ctrl->button.isdefault)
1261                     gtk_window_set_default(win, w);
1262                 if (ctrl->button.iscancel)
1263                     dp->cancelbutton = w;
1264             }
1265             gtk_signal_connect(GTK_OBJECT(w), "clicked",
1266                                GTK_SIGNAL_FUNC(button_clicked), dp);
1267             gtk_signal_connect(GTK_OBJECT(w), "focus_in_event",
1268                                GTK_SIGNAL_FUNC(widget_focus), dp);
1269             shortcut_add(scs, GTK_BIN(w)->child, ctrl->button.shortcut,
1270                          SHORTCUT_UCTRL, uc);
1271             break;
1272           case CTRL_CHECKBOX:
1273             w = gtk_check_button_new_with_label(ctrl->generic.label);
1274             gtk_signal_connect(GTK_OBJECT(w), "toggled",
1275                                GTK_SIGNAL_FUNC(button_toggled), dp);
1276             gtk_signal_connect(GTK_OBJECT(w), "focus_in_event",
1277                                GTK_SIGNAL_FUNC(widget_focus), dp);
1278             shortcut_add(scs, GTK_BIN(w)->child, ctrl->checkbox.shortcut,
1279                          SHORTCUT_UCTRL, uc);
1280             left = TRUE;
1281             break;
1282           case CTRL_RADIO:
1283             /*
1284              * Radio buttons get to go inside their own Columns, no
1285              * matter what.
1286              */
1287             {
1288                 gint i, *percentages;
1289                 GSList *group;
1290
1291                 w = columns_new(0);
1292                 if (ctrl->generic.label) {
1293                     GtkWidget *label = gtk_label_new(ctrl->generic.label);
1294                     columns_add(COLUMNS(w), label, 0, 1);
1295                     columns_force_left_align(COLUMNS(w), label);
1296                     gtk_widget_show(label);
1297                     shortcut_add(scs, label, ctrl->radio.shortcut,
1298                                  SHORTCUT_UCTRL, uc);
1299                 }
1300                 percentages = g_new(gint, ctrl->radio.ncolumns);
1301                 for (i = 0; i < ctrl->radio.ncolumns; i++) {
1302                     percentages[i] =
1303                         ((100 * (i+1) / ctrl->radio.ncolumns) -
1304                          100 * i / ctrl->radio.ncolumns);
1305                 }
1306                 columns_set_cols(COLUMNS(w), ctrl->radio.ncolumns,
1307                                  percentages);
1308                 g_free(percentages);
1309                 group = NULL;
1310
1311                 uc->nbuttons = ctrl->radio.nbuttons;
1312                 uc->buttons = smalloc(uc->nbuttons * sizeof(GtkWidget *));
1313
1314                 for (i = 0; i < ctrl->radio.nbuttons; i++) {
1315                     GtkWidget *b;
1316                     gint colstart;
1317
1318                     b = (gtk_radio_button_new_with_label
1319                          (group, ctrl->radio.buttons[i]));
1320                     uc->buttons[i] = b;
1321                     group = gtk_radio_button_group(GTK_RADIO_BUTTON(b));
1322                     colstart = i % ctrl->radio.ncolumns;
1323                     columns_add(COLUMNS(w), b, colstart,
1324                                 (i == ctrl->radio.nbuttons-1 ?
1325                                  ctrl->radio.ncolumns - colstart : 1));
1326                     columns_force_left_align(COLUMNS(w), b);
1327                     gtk_widget_show(b);
1328                     gtk_signal_connect(GTK_OBJECT(b), "toggled",
1329                                        GTK_SIGNAL_FUNC(button_toggled), dp);
1330                     gtk_signal_connect(GTK_OBJECT(b), "focus_in_event",
1331                                        GTK_SIGNAL_FUNC(widget_focus), dp);
1332                     if (ctrl->radio.shortcuts) {
1333                         shortcut_add(scs, GTK_BIN(b)->child,
1334                                      ctrl->radio.shortcuts[i],
1335                                      SHORTCUT_UCTRL, uc);
1336                     }
1337                 }
1338             }
1339             break;
1340           case CTRL_EDITBOX:
1341             {
1342                 GtkRequisition req;
1343
1344                 if (ctrl->editbox.has_list) {
1345                     w = gtk_combo_new();
1346                     gtk_combo_set_value_in_list(GTK_COMBO(w), FALSE, TRUE);
1347                     uc->entry = GTK_COMBO(w)->entry;
1348                     uc->list = GTK_COMBO(w)->list;
1349                 } else {
1350                     w = gtk_entry_new();
1351                     if (ctrl->editbox.password)
1352                         gtk_entry_set_visibility(GTK_ENTRY(w), FALSE);
1353                     uc->entry = w;
1354                 }
1355                 gtk_signal_connect(GTK_OBJECT(uc->entry), "changed",
1356                                    GTK_SIGNAL_FUNC(editbox_changed), dp);
1357                 gtk_signal_connect(GTK_OBJECT(uc->entry), "key_press_event",
1358                                    GTK_SIGNAL_FUNC(editbox_key), dp);
1359                 gtk_signal_connect(GTK_OBJECT(uc->entry), "focus_in_event",
1360                                    GTK_SIGNAL_FUNC(widget_focus), dp);
1361                 /*
1362                  * Edit boxes, for some strange reason, have a minimum
1363                  * width of 150 in GTK 1.2. We don't want this - we'd
1364                  * rather the edit boxes acquired their natural width
1365                  * from the column layout of the rest of the box.
1366                  *
1367                  * Also, while we're here, we'll squirrel away the
1368                  * edit box height so we can use that to centre its
1369                  * label vertically beside it.
1370                  */
1371                 gtk_widget_size_request(w, &req);
1372                 gtk_widget_set_usize(w, 10, req.height);
1373
1374                 if (ctrl->generic.label) {
1375                     GtkWidget *label, *container;
1376
1377                     label = gtk_label_new(ctrl->generic.label);
1378
1379                     shortcut_add(scs, label, ctrl->editbox.shortcut,
1380                                  SHORTCUT_FOCUS, uc->entry);
1381
1382                     container = columns_new(4);
1383                     if (ctrl->editbox.percentwidth == 100) {
1384                         columns_add(COLUMNS(container), label, 0, 1);
1385                         columns_force_left_align(COLUMNS(container), label);
1386                         columns_add(COLUMNS(container), w, 0, 1);
1387                     } else {
1388                         gint percentages[2];
1389                         percentages[1] = ctrl->editbox.percentwidth;
1390                         percentages[0] = 100 - ctrl->editbox.percentwidth;
1391                         columns_set_cols(COLUMNS(container), 2, percentages);
1392                         columns_add(COLUMNS(container), label, 0, 1);
1393                         columns_force_left_align(COLUMNS(container), label);
1394                         columns_add(COLUMNS(container), w, 1, 1);
1395                         /* Centre the label vertically. */
1396                         gtk_widget_set_usize(label, -1, req.height);
1397                         gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
1398                     }
1399                     gtk_widget_show(label);
1400                     gtk_widget_show(w);
1401
1402                     w = container;
1403                 }
1404                 gtk_signal_connect(GTK_OBJECT(uc->entry), "focus_out_event",
1405                                    GTK_SIGNAL_FUNC(editbox_lostfocus), dp);
1406             }
1407             break;
1408           case CTRL_FILESELECT:
1409           case CTRL_FONTSELECT:
1410             {
1411                 GtkWidget *ww;
1412                 GtkRequisition req;
1413                 char *browsebtn =
1414                     (ctrl->generic.type == CTRL_FILESELECT ?
1415                      "Browse..." : "Change...");
1416
1417                 gint percentages[] = { 75, 25 };
1418                 w = columns_new(4);
1419                 columns_set_cols(COLUMNS(w), 2, percentages);
1420
1421                 if (ctrl->generic.label) {
1422                     ww = gtk_label_new(ctrl->generic.label);
1423                     columns_add(COLUMNS(w), ww, 0, 2);
1424                     columns_force_left_align(COLUMNS(w), ww);
1425                     gtk_widget_show(ww);
1426                     shortcut_add(scs, ww,
1427                                  (ctrl->generic.type == CTRL_FILESELECT ?
1428                                   ctrl->fileselect.shortcut :
1429                                   ctrl->fontselect.shortcut),
1430                                  SHORTCUT_UCTRL, uc);
1431                 }
1432
1433                 uc->entry = ww = gtk_entry_new();
1434                 gtk_widget_size_request(ww, &req);
1435                 gtk_widget_set_usize(ww, 10, req.height);
1436                 columns_add(COLUMNS(w), ww, 0, 1);
1437                 gtk_widget_show(ww);
1438
1439                 uc->button = ww = gtk_button_new_with_label(browsebtn);
1440                 columns_add(COLUMNS(w), ww, 1, 1);
1441                 gtk_widget_show(ww);
1442
1443                 gtk_signal_connect(GTK_OBJECT(uc->entry), "key_press_event",
1444                                    GTK_SIGNAL_FUNC(editbox_key), dp);
1445                 gtk_signal_connect(GTK_OBJECT(uc->entry), "changed",
1446                                    GTK_SIGNAL_FUNC(editbox_changed), dp);
1447                 gtk_signal_connect(GTK_OBJECT(uc->entry), "focus_in_event",
1448                                    GTK_SIGNAL_FUNC(widget_focus), dp);
1449                 gtk_signal_connect(GTK_OBJECT(uc->button), "focus_in_event",
1450                                    GTK_SIGNAL_FUNC(widget_focus), dp);
1451                 gtk_signal_connect(GTK_OBJECT(ww), "clicked",
1452                                    GTK_SIGNAL_FUNC(filefont_clicked), dp);
1453             }
1454             break;
1455           case CTRL_LISTBOX:
1456             if (ctrl->listbox.height == 0) {
1457                 uc->optmenu = w = gtk_option_menu_new();
1458                 uc->menu = gtk_menu_new();
1459                 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), uc->menu);
1460                 gtk_object_set_data(GTK_OBJECT(uc->menu), "user-data",
1461                                     (gpointer)uc->optmenu);
1462                 gtk_signal_connect(GTK_OBJECT(uc->optmenu), "focus_in_event",
1463                                    GTK_SIGNAL_FUNC(widget_focus), dp);
1464             } else {
1465                 uc->list = gtk_list_new();
1466                 if (ctrl->listbox.multisel) {
1467                     gtk_list_set_selection_mode(GTK_LIST(uc->list),
1468                                                 GTK_SELECTION_MULTIPLE);
1469                 } else {
1470                     gtk_list_set_selection_mode(GTK_LIST(uc->list),
1471                                                 GTK_SELECTION_SINGLE);
1472                 }
1473                 w = gtk_scrolled_window_new(NULL, NULL);
1474                 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(w),
1475                                                       uc->list);
1476                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(w),
1477                                                GTK_POLICY_NEVER,
1478                                                GTK_POLICY_AUTOMATIC);
1479                 uc->adj = gtk_scrolled_window_get_vadjustment
1480                     (GTK_SCROLLED_WINDOW(w));
1481
1482                 gtk_widget_show(uc->list);
1483                 gtk_signal_connect(GTK_OBJECT(uc->list), "selection-changed",
1484                                    GTK_SIGNAL_FUNC(list_selchange), dp);
1485                 gtk_signal_connect(GTK_OBJECT(uc->list), "focus_in_event",
1486                                    GTK_SIGNAL_FUNC(widget_focus), dp);
1487
1488                 /*
1489                  * Adjust the height of the scrolled window to the
1490                  * minimum given by the height parameter.
1491                  *
1492                  * This piece of guesswork is a horrid hack based
1493                  * on looking inside the GTK 1.2 sources
1494                  * (specifically gtkviewport.c, which appears to be
1495                  * the widget which provides the border around the
1496                  * scrolling area). Anyone lets me know how I can
1497                  * do this in a way which isn't at risk from GTK
1498                  * upgrades, I'd be grateful.
1499                  */
1500                 {
1501                     int edge = GTK_WIDGET(uc->list)->style->klass->ythickness;
1502                     gtk_widget_set_usize(w, 10,
1503                                          2*edge + (ctrl->listbox.height *
1504                                                    listitemheight));
1505                 }
1506
1507                 if (ctrl->listbox.draglist) {
1508                     /*
1509                      * GTK doesn't appear to make it easy to
1510                      * implement a proper draggable list; so
1511                      * instead I'm just going to have to put an Up
1512                      * and a Down button to the right of the actual
1513                      * list box. Ah well.
1514                      */
1515                     GtkWidget *cols, *button;
1516                     static const gint percentages[2] = { 80, 20 };
1517
1518                     cols = columns_new(4);
1519                     columns_set_cols(COLUMNS(cols), 2, percentages);
1520                     columns_add(COLUMNS(cols), w, 0, 1);
1521                     gtk_widget_show(w);
1522                     button = gtk_button_new_with_label("Up");
1523                     columns_add(COLUMNS(cols), button, 1, 1);
1524                     gtk_widget_show(button);
1525                     gtk_signal_connect(GTK_OBJECT(button), "clicked",
1526                                        GTK_SIGNAL_FUNC(draglist_up), dp);
1527                     gtk_signal_connect(GTK_OBJECT(button), "focus_in_event",
1528                                        GTK_SIGNAL_FUNC(widget_focus), dp);
1529                     button = gtk_button_new_with_label("Down");
1530                     columns_add(COLUMNS(cols), button, 1, 1);
1531                     gtk_widget_show(button);
1532                     gtk_signal_connect(GTK_OBJECT(button), "clicked",
1533                                        GTK_SIGNAL_FUNC(draglist_down), dp);
1534                     gtk_signal_connect(GTK_OBJECT(button), "focus_in_event",
1535                                        GTK_SIGNAL_FUNC(widget_focus), dp);
1536
1537                     w = cols;
1538                 }
1539
1540             }
1541             if (ctrl->generic.label) {
1542                 GtkWidget *label, *container;
1543
1544                 label = gtk_label_new(ctrl->generic.label);
1545
1546                 container = columns_new(4);
1547                 if (ctrl->listbox.percentwidth == 100) {
1548                     columns_add(COLUMNS(container), label, 0, 1);
1549                     columns_force_left_align(COLUMNS(container), label);
1550                     columns_add(COLUMNS(container), w, 0, 1);
1551                 } else {
1552                     gint percentages[2];
1553                     percentages[1] = ctrl->listbox.percentwidth;
1554                     percentages[0] = 100 - ctrl->listbox.percentwidth;
1555                     columns_set_cols(COLUMNS(container), 2, percentages);
1556                     columns_add(COLUMNS(container), label, 0, 1);
1557                     columns_force_left_align(COLUMNS(container), label);
1558                     columns_add(COLUMNS(container), w, 1, 1);
1559                 }
1560                 gtk_widget_show(label);
1561                 gtk_widget_show(w);
1562                 shortcut_add(scs, label, ctrl->listbox.shortcut,
1563                              SHORTCUT_UCTRL, uc);
1564                 w = container;
1565             }
1566             break;
1567           case CTRL_TEXT:
1568             /*
1569              * Wrapping text widgets don't sit well with the GTK
1570              * layout model, in which widgets state a minimum size
1571              * and the whole window then adjusts to the smallest
1572              * size it can sensibly take given its contents. A
1573              * wrapping text widget _has_ no clear minimum size;
1574              * instead it has a range of possibilities. It can be
1575              * one line deep but 2000 wide, or two lines deep and
1576              * 1000 pixels, or three by 867, or four by 500 and so
1577              * on. It can be as short as you like provided you
1578              * don't mind it being wide, or as narrow as you like
1579              * provided you don't mind it being tall.
1580              *
1581              * Therefore, it fits very badly into the layout model.
1582              * Hence the only thing to do is pick a width and let
1583              * it choose its own number of lines. To do this I'm
1584              * going to cheat a little. All new wrapping text
1585              * widgets will be created with a minimal text content
1586              * "X"; then, after the rest of the dialog box is set
1587              * up and its size calculated, the text widgets will be
1588              * told their width and given their real text, which
1589              * will cause the size to be recomputed in the y
1590              * direction (because many of them will expand to more
1591              * than one line).
1592              */
1593             uc->text = w = gtk_label_new("X");
1594             gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.0);
1595             gtk_label_set_line_wrap(GTK_LABEL(w), TRUE);
1596             uc->textsig =
1597                 gtk_signal_connect(GTK_OBJECT(w), "size-allocate",
1598                                    GTK_SIGNAL_FUNC(label_sizealloc), dp);
1599             break;
1600         }
1601
1602         assert(w != NULL);
1603
1604         columns_add(cols, w,
1605                     COLUMN_START(ctrl->generic.column),
1606                     COLUMN_SPAN(ctrl->generic.column));
1607         if (left)
1608             columns_force_left_align(cols, w);
1609         gtk_widget_show(w);
1610
1611         uc->toplevel = w;
1612         dlg_add_uctrl(dp, uc);
1613     }
1614
1615     return ret;
1616 }
1617
1618 struct selparam {
1619     struct dlgparam *dp;
1620     Panels *panels;
1621     GtkWidget *panel, *treeitem;
1622     struct Shortcuts shortcuts;
1623 };
1624
1625 static void treeitem_sel(GtkItem *item, gpointer data)
1626 {
1627     struct selparam *sp = (struct selparam *)data;
1628
1629     panels_switch_to(sp->panels, sp->panel);
1630
1631     sp->dp->shortcuts = &sp->shortcuts;
1632     sp->dp->currtreeitem = sp->treeitem;
1633 }
1634
1635 static void window_destroy(GtkWidget *widget, gpointer data)
1636 {
1637     gtk_main_quit();
1638 }
1639
1640 static int tree_grab_focus(struct dlgparam *dp)
1641 {
1642     int i, f;
1643
1644     /*
1645      * See if any of the treeitems has the focus.
1646      */
1647     f = -1;
1648     for (i = 0; i < dp->ntreeitems; i++)
1649         if (GTK_WIDGET_HAS_FOCUS(dp->treeitems[i])) {
1650             f = i;
1651             break;
1652         }
1653
1654     if (f >= 0)
1655         return FALSE;
1656     else {
1657         gtk_widget_grab_focus(dp->currtreeitem);
1658         return TRUE;
1659     }
1660 }
1661
1662 gint tree_focus(GtkContainer *container, GtkDirectionType direction,
1663                 gpointer data)
1664 {
1665     struct dlgparam *dp = (struct dlgparam *)data;
1666
1667     gtk_signal_emit_stop_by_name(GTK_OBJECT(container), "focus");
1668     /*
1669      * If there's a focused treeitem, we return FALSE to cause the
1670      * focus to move on to some totally other control. If not, we
1671      * focus the selected one.
1672      */
1673     return tree_grab_focus(dp);
1674 }
1675
1676 int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1677 {
1678     struct dlgparam *dp = (struct dlgparam *)data;
1679
1680     if (event->keyval == GDK_Escape && dp->cancelbutton) {
1681         gtk_signal_emit_by_name(GTK_OBJECT(dp->cancelbutton), "clicked");
1682         return TRUE;
1683     }
1684
1685     if ((event->state & GDK_MOD1_MASK) &&
1686         (unsigned char)event->string[0] > 0 &&
1687         (unsigned char)event->string[0] <= 127) {
1688         int schr = (unsigned char)event->string[0];
1689         struct Shortcut *sc = &dp->shortcuts->sc[schr];
1690
1691         switch (sc->action) {
1692           case SHORTCUT_TREE:
1693             tree_grab_focus(dp);
1694             break;
1695           case SHORTCUT_FOCUS:
1696             gtk_widget_grab_focus(sc->widget);
1697             break;
1698           case SHORTCUT_UCTRL:
1699             /*
1700              * We must do something sensible with a uctrl.
1701              * Precisely what this is depends on the type of
1702              * control.
1703              */
1704             switch (sc->uc->ctrl->generic.type) {
1705               case CTRL_CHECKBOX:
1706               case CTRL_BUTTON:
1707                 /* Check boxes and buttons get the focus _and_ get toggled. */
1708                 gtk_widget_grab_focus(sc->uc->toplevel);
1709                 gtk_signal_emit_by_name(GTK_OBJECT(sc->uc->toplevel),
1710                                         "clicked");
1711                 break;
1712               case CTRL_FILESELECT:
1713               case CTRL_FONTSELECT:
1714                 /* File/font selectors have their buttons pressed (ooer),
1715                  * and focus transferred to the edit box. */
1716                 gtk_signal_emit_by_name(GTK_OBJECT(sc->uc->button),
1717                                         "clicked");
1718                 gtk_widget_grab_focus(sc->uc->entry);
1719                 break;
1720               case CTRL_RADIO:
1721                 /*
1722                  * Radio buttons are fun, because they have
1723                  * multiple shortcuts. We must find whether the
1724                  * activated shortcut is the shortcut for the whole
1725                  * group, or for a particular button. In the former
1726                  * case, we find the currently selected button and
1727                  * focus it; in the latter, we focus-and-click the
1728                  * button whose shortcut was pressed.
1729                  */
1730                 if (schr == sc->uc->ctrl->radio.shortcut) {
1731                     int i;
1732                     for (i = 0; i < sc->uc->ctrl->radio.nbuttons; i++)
1733                         if (gtk_toggle_button_get_active
1734                             (GTK_TOGGLE_BUTTON(sc->uc->buttons[i]))) {
1735                             gtk_widget_grab_focus(sc->uc->buttons[i]);
1736                         }
1737                 } else if (sc->uc->ctrl->radio.shortcuts) {
1738                     int i;
1739                     for (i = 0; i < sc->uc->ctrl->radio.nbuttons; i++)
1740                         if (schr == sc->uc->ctrl->radio.shortcuts[i]) {
1741                             gtk_widget_grab_focus(sc->uc->buttons[i]);
1742                             gtk_signal_emit_by_name
1743                                 (GTK_OBJECT(sc->uc->buttons[i]), "clicked");
1744                         }
1745                 }
1746                 break;
1747               case CTRL_LISTBOX:
1748                 /*
1749                  * If the list is really an option menu, we focus
1750                  * and click it. Otherwise we tell it to focus one
1751                  * of its children, which appears to do the Right
1752                  * Thing.
1753                  */
1754                 if (sc->uc->optmenu) {
1755                     GdkEventButton bev;
1756                     gint returnval;
1757
1758                     gtk_widget_grab_focus(sc->uc->optmenu);
1759                     /* Option menus don't work using the "clicked" signal.
1760                      * We need to manufacture a button press event :-/ */
1761                     bev.type = GDK_BUTTON_PRESS;
1762                     bev.button = 1;
1763                     gtk_signal_emit_by_name(GTK_OBJECT(sc->uc->optmenu),
1764                                             "button_press_event",
1765                                             &bev, &returnval);
1766                 } else {
1767                     assert(sc->uc->list != NULL);
1768
1769                     gtk_container_focus(GTK_CONTAINER(sc->uc->list),
1770                                         GTK_DIR_TAB_FORWARD);
1771                 }
1772                 break;
1773             }
1774             break;
1775         }
1776     }
1777
1778     return FALSE;
1779 }
1780
1781 int tree_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1782 {
1783     struct dlgparam *dp = (struct dlgparam *)data;
1784
1785     if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
1786         event->keyval == GDK_Down || event->keyval == GDK_KP_Down) {
1787         int dir, i, j = -1;
1788         for (i = 0; i < dp->ntreeitems; i++)
1789             if (widget == dp->treeitems[i])
1790                 break;
1791         if (i < dp->ntreeitems) {
1792             if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
1793                 dir = -1;
1794             else
1795                 dir = +1;
1796
1797             while (1) {
1798                 i += dir;
1799                 if (i < 0 || i >= dp->ntreeitems)
1800                     break;             /* nothing in that dir to select */
1801                 /*
1802                  * Determine if this tree item is visible.
1803                  */
1804                 {
1805                     GtkWidget *w = dp->treeitems[i];
1806                     int vis = TRUE;
1807                     while (w && GTK_IS_TREE_ITEM(w) || GTK_IS_TREE(w)) {
1808                         if (!GTK_WIDGET_VISIBLE(w)) {
1809                             vis = FALSE;
1810                             break;
1811                         }
1812                         w = w->parent;
1813                     }
1814                     if (vis) {
1815                         j = i;         /* got one */
1816                         break;
1817                     }
1818                 }
1819             }
1820         }
1821         gtk_signal_emit_stop_by_name(GTK_OBJECT(widget),
1822                                      "key_press_event");
1823         if (j >= 0) {
1824             gint return_val;
1825             gtk_signal_emit_by_name(GTK_OBJECT(dp->treeitems[j]), "toggle");
1826             gtk_widget_grab_focus(dp->treeitems[j]);
1827         }
1828         return TRUE;
1829     }
1830
1831     /*
1832      * It's nice for Left and Right to expand and collapse tree
1833      * branches.
1834      */
1835     if (event->keyval == GDK_Left || event->keyval == GDK_KP_Left) {
1836         gtk_signal_emit_stop_by_name(GTK_OBJECT(widget),
1837                                      "key_press_event");
1838         gtk_tree_item_collapse(GTK_TREE_ITEM(widget));
1839         return TRUE;
1840     }
1841     if (event->keyval == GDK_Right || event->keyval == GDK_KP_Right) {
1842         gtk_signal_emit_stop_by_name(GTK_OBJECT(widget),
1843                                      "key_press_event");
1844         gtk_tree_item_expand(GTK_TREE_ITEM(widget));
1845         return TRUE;
1846     }
1847
1848     return FALSE;
1849 }
1850
1851 void shortcut_add(struct Shortcuts *scs, GtkWidget *labelw,
1852                   int chr, int action, void *ptr)
1853 {
1854     GtkLabel *label = GTK_LABEL(labelw);
1855     gchar *currstr, *pattern;
1856     int i;
1857
1858     if (chr == NO_SHORTCUT)
1859         return;
1860
1861     chr = tolower((unsigned char)chr);
1862
1863     assert(scs->sc[chr].action == SHORTCUT_EMPTY);
1864
1865     scs->sc[chr].action = action;
1866
1867     if (action == SHORTCUT_FOCUS) {
1868         scs->sc[chr].uc = NULL;
1869         scs->sc[chr].widget = (GtkWidget *)ptr;
1870     } else {
1871         scs->sc[chr].widget = NULL;
1872         scs->sc[chr].uc = (struct uctrl *)ptr;
1873     }
1874
1875     gtk_label_get(label, &currstr);
1876     for (i = 0; currstr[i]; i++)
1877         if (tolower((unsigned char)currstr[i]) == chr) {
1878             GtkRequisition req;
1879
1880             pattern = dupprintf("%*s_", i, "");
1881
1882             gtk_widget_size_request(GTK_WIDGET(label), &req);
1883             gtk_label_set_pattern(label, pattern);
1884             gtk_widget_set_usize(GTK_WIDGET(label), -1, req.height);
1885
1886             sfree(pattern);
1887             break;
1888         }
1889 }
1890
1891 int do_config_box(const char *title)
1892 {
1893     GtkWidget *window, *hbox, *vbox, *cols, *label,
1894         *tree, *treescroll, *panels, *panelvbox;
1895     int index, level, listitemheight;
1896     struct controlbox *ctrlbox;
1897     char *path;
1898     GtkTreeItem *treeitemlevels[8];
1899     GtkTree *treelevels[8];
1900     Config cfg;
1901     struct dlgparam dp;
1902     struct sesslist sl;
1903     struct Shortcuts scs;
1904
1905     struct selparam *selparams = NULL;
1906     int nselparams = 0, selparamsize = 0;
1907
1908     do_defaults(NULL, &cfg);
1909
1910     dlg_init(&dp);
1911
1912     {
1913         GtkWidget *listitem = gtk_list_item_new_with_label("foo");
1914         GtkRequisition req;
1915         gtk_widget_size_request(listitem, &req);
1916         listitemheight = req.height;
1917         gtk_widget_unref(listitem);
1918     }
1919
1920     sl.nsessions = 0;
1921
1922     for (index = 0; index < lenof(scs.sc); index++) {
1923         scs.sc[index].action = SHORTCUT_EMPTY;
1924     }
1925
1926     ctrlbox = ctrl_new_box();
1927     setup_config_box(ctrlbox, &sl, FALSE, 0);
1928     unix_setup_config_box(ctrlbox, FALSE);
1929
1930     window = gtk_dialog_new();
1931     gtk_window_set_title(GTK_WINDOW(window), title);
1932     hbox = gtk_hbox_new(FALSE, 4);
1933     gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox), hbox, TRUE, TRUE, 0);
1934     gtk_container_set_border_width(GTK_CONTAINER(hbox), 10);
1935     gtk_widget_show(hbox);
1936     vbox = gtk_vbox_new(FALSE, 4);
1937     gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
1938     gtk_widget_show(vbox);
1939     cols = columns_new(4);
1940     gtk_box_pack_start(GTK_BOX(vbox), cols, FALSE, FALSE, 0);
1941     gtk_widget_show(cols);
1942     label = gtk_label_new("Category:");
1943     columns_add(COLUMNS(cols), label, 0, 1);
1944     columns_force_left_align(COLUMNS(cols), label);
1945     gtk_widget_show(label);
1946     treescroll = gtk_scrolled_window_new(NULL, NULL);
1947     tree = gtk_tree_new();
1948     gtk_signal_connect(GTK_OBJECT(tree), "focus_in_event",
1949                        GTK_SIGNAL_FUNC(widget_focus), &dp);
1950     shortcut_add(&scs, label, 'g', SHORTCUT_TREE, tree);
1951     gtk_tree_set_view_mode(GTK_TREE(tree), GTK_TREE_VIEW_ITEM);
1952     gtk_tree_set_selection_mode(GTK_TREE(tree), GTK_SELECTION_BROWSE);
1953     gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(treescroll),
1954                                           tree);
1955     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(treescroll),
1956                                    GTK_POLICY_NEVER,
1957                                    GTK_POLICY_AUTOMATIC);
1958     gtk_signal_connect(GTK_OBJECT(tree), "focus",
1959                        GTK_SIGNAL_FUNC(tree_focus), &dp);
1960     gtk_widget_show(tree);
1961     gtk_widget_show(treescroll);
1962     gtk_box_pack_start(GTK_BOX(vbox), treescroll, TRUE, TRUE, 0);
1963     panels = panels_new();
1964     gtk_box_pack_start(GTK_BOX(hbox), panels, TRUE, TRUE, 0);
1965     gtk_widget_show(panels);
1966
1967     panelvbox = NULL;
1968     path = NULL;
1969     level = 0;
1970     for (index = 0; index < ctrlbox->nctrlsets; index++) {
1971         struct controlset *s = ctrlbox->ctrlsets[index];
1972         GtkWidget *w;
1973
1974         if (!*s->pathname) {
1975             w = layout_ctrls(&dp, &scs, s, listitemheight, GTK_WINDOW(window));
1976             gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->action_area),
1977                                w, TRUE, TRUE, 0);
1978         } else {
1979             int j = path ? ctrl_path_compare(s->pathname, path) : 0;
1980             if (j != INT_MAX) {        /* add to treeview, start new panel */
1981                 char *c;
1982                 GtkWidget *treeitem;
1983                 int first;
1984
1985                 /*
1986                  * We expect never to find an implicit path
1987                  * component. For example, we expect never to see
1988                  * A/B/C followed by A/D/E, because that would
1989                  * _implicitly_ create A/D. All our path prefixes
1990                  * are expected to contain actual controls and be
1991                  * selectable in the treeview; so we would expect
1992                  * to see A/D _explicitly_ before encountering
1993                  * A/D/E.
1994                  */
1995                 assert(j == ctrl_path_elements(s->pathname) - 1);
1996
1997                 c = strrchr(s->pathname, '/');
1998                 if (!c)
1999                     c = s->pathname;
2000                 else
2001                     c++;
2002
2003                 treeitem = gtk_tree_item_new_with_label(c);
2004                 assert(j-1 < level);
2005                 if (j > 0) {
2006                     if (!treelevels[j-1]) {
2007                         treelevels[j-1] = GTK_TREE(gtk_tree_new());
2008                         gtk_tree_item_set_subtree
2009                             (treeitemlevels[j-1],
2010                              GTK_WIDGET(treelevels[j-1]));
2011                         gtk_tree_item_expand(treeitemlevels[j-1]);
2012                     }
2013                     gtk_tree_append(treelevels[j-1], treeitem);
2014                 } else {
2015                     gtk_tree_append(GTK_TREE(tree), treeitem);
2016                 }
2017                 treeitemlevels[j] = GTK_TREE_ITEM(treeitem);
2018                 treelevels[j] = NULL;
2019                 level = j+1;
2020
2021                 gtk_signal_connect(GTK_OBJECT(treeitem), "key_press_event",
2022                                    GTK_SIGNAL_FUNC(tree_key_press), &dp);
2023                 gtk_signal_connect(GTK_OBJECT(treeitem), "focus_in_event",
2024                                    GTK_SIGNAL_FUNC(widget_focus), &dp);
2025
2026                 gtk_widget_show(treeitem);
2027
2028                 path = s->pathname;
2029
2030                 first = (panelvbox == NULL);
2031
2032                 panelvbox = gtk_vbox_new(FALSE, 4);
2033                 gtk_container_add(GTK_CONTAINER(panels), panelvbox);
2034                 if (first) {
2035                     panels_switch_to(PANELS(panels), panelvbox);
2036                     gtk_tree_select_child(GTK_TREE(tree), treeitem);
2037                 }
2038
2039                 if (nselparams >= selparamsize) {
2040                     selparamsize += 16;
2041                     selparams = srealloc(selparams,
2042                                          selparamsize * sizeof(*selparams));
2043                 }
2044                 selparams[nselparams].dp = &dp;
2045                 selparams[nselparams].panels = PANELS(panels);
2046                 selparams[nselparams].panel = panelvbox;
2047                 selparams[nselparams].shortcuts = scs;   /* structure copy */
2048                 selparams[nselparams].treeitem = treeitem;
2049                 nselparams++;
2050
2051             }
2052
2053             w = layout_ctrls(&dp,
2054                              &selparams[nselparams-1].shortcuts,
2055                              s, listitemheight, NULL);
2056             gtk_box_pack_start(GTK_BOX(panelvbox), w, FALSE, FALSE, 0);
2057             gtk_widget_show(w);
2058         }
2059     }
2060
2061     dp.ntreeitems = nselparams;
2062     dp.treeitems = smalloc(dp.ntreeitems * sizeof(GtkWidget *));
2063
2064     for (index = 0; index < nselparams; index++) {
2065         gtk_signal_connect(GTK_OBJECT(selparams[index].treeitem), "select",
2066                            GTK_SIGNAL_FUNC(treeitem_sel),
2067                            &selparams[index]);
2068         dp.treeitems[index] = selparams[index].treeitem;
2069     }
2070
2071     dp.data = &cfg;
2072     dlg_refresh(NULL, &dp);
2073
2074     dp.shortcuts = &selparams[0].shortcuts;
2075     dp.currtreeitem = dp.treeitems[0];
2076     dp.lastfocus = NULL;
2077     dp.retval = 0;
2078     dp.window = window;
2079
2080     gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
2081     gtk_widget_show(window);
2082
2083     /*
2084      * Set focus into the first available control.
2085      */
2086     for (index = 0; index < ctrlbox->nctrlsets; index++) {
2087         struct controlset *s = ctrlbox->ctrlsets[index];
2088         int done = 0;
2089         int j;
2090
2091         if (*s->pathname) {
2092             for (j = 0; j < s->ncontrols; j++)
2093                 if (s->ctrls[j]->generic.type != CTRL_TABDELAY &&
2094                     s->ctrls[j]->generic.type != CTRL_COLUMNS &&
2095                     s->ctrls[j]->generic.type != CTRL_TEXT) {
2096                     dlg_set_focus(s->ctrls[j], &dp);
2097                     dp.lastfocus = s->ctrls[j];
2098                     done = 1;
2099                     break;
2100                 }
2101         }
2102         if (done)
2103             break;
2104     }
2105
2106     gtk_signal_connect(GTK_OBJECT(window), "destroy",
2107                        GTK_SIGNAL_FUNC(window_destroy), NULL);
2108     gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
2109                        GTK_SIGNAL_FUNC(win_key_press), &dp);
2110
2111     gtk_main();
2112
2113     dlg_cleanup(&dp);
2114     sfree(selparams);
2115
2116     return dp.retval;
2117 }
2118
2119 /* ======================================================================
2120  * Below here is a stub main program which allows the dialog box
2121  * code to be compiled and tested with a minimal amount of the rest
2122  * of PuTTY.
2123  */
2124
2125 #ifdef TESTMODE
2126
2127 /* Compile command for testing:
2128
2129 gcc -g -o gtkdlg gtk{dlg,cols,panel}.c ../{config,dialog,settings}.c \
2130 ../{misc,tree234,be_none}.c ux{store,misc,print,cfg}.c \
2131 -I. -I.. -I../charset -DTESTMODE `gtk-config --cflags --libs`
2132
2133  */
2134
2135 void modalfatalbox(char *p, ...)
2136 {
2137     va_list ap;
2138     fprintf(stderr, "FATAL ERROR: ");
2139     va_start(ap, p);
2140     vfprintf(stderr, p, ap);
2141     va_end(ap);
2142     fputc('\n', stderr);
2143     exit(1);
2144 }
2145
2146 char *cp_name(int codepage)
2147 {
2148     return (codepage == 123 ? "testing123" :
2149             codepage == 234 ? "testing234" :
2150             codepage == 345 ? "testing345" :
2151             "unknown");
2152 }
2153
2154 char *cp_enumerate(int index)
2155 {
2156     return (index == 0 ? "testing123" :
2157             index == 1 ? "testing234" :
2158             NULL);
2159 }
2160
2161 int decode_codepage(char *cp_name)
2162 {
2163     return (!strcmp(cp_name, "testing123") ? 123 :
2164             !strcmp(cp_name, "testing234") ? 234 :
2165             !strcmp(cp_name, "testing345") ? 345 :
2166             -2);
2167 }
2168
2169 struct printer_enum_tag { int dummy; } printer_test;
2170
2171 printer_enum *printer_start_enum(int *nprinters_ptr) {
2172     *nprinters_ptr = 2;
2173     return &printer_test;
2174 }
2175 char *printer_get_name(printer_enum *pe, int i) {
2176     return (i==0 ? "lpr" : i==1 ? "lpr -Pfoobar" : NULL);
2177 }
2178 void printer_finish_enum(printer_enum *pe) { }
2179
2180 char *platform_default_s(const char *name)
2181 {
2182     return NULL;
2183 }
2184
2185 int platform_default_i(const char *name, int def)
2186 {
2187     return def;
2188 }
2189
2190 FontSpec platform_default_fontspec(const char *name)
2191 {
2192     FontSpec ret;
2193     if (!strcmp(name, "Font"))
2194         strcpy(ret.name, "fixed");
2195     else
2196         *ret.name = '\0';
2197     return ret;
2198 }
2199
2200 Filename platform_default_filename(const char *name)
2201 {
2202     Filename ret;
2203     if (!strcmp(name, "LogFileName"))
2204         strcpy(ret.path, "putty.log");
2205     else
2206         *ret.path = '\0';
2207     return ret;
2208 }
2209
2210 char *x_get_default(const char *key)
2211 {
2212     return NULL;
2213 }
2214
2215 int main(int argc, char **argv)
2216 {
2217     gtk_init(&argc, &argv);
2218     printf("returned %d\n", do_config_box("PuTTY Configuration"));
2219     return 0;
2220 }
2221
2222 #endif