unix/gtkdlg.c

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