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Serial back end for Unix. Due to hardware limitations (no Linux box
[u/mdw/putty] / 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 <stdarg.h>
16 #include <ctype.h>
17 #include <time.h>
18 #include <gtk/gtk.h>
19 #include <gdk/gdkkeysyms.h>
20 #include <gdk/gdkx.h>
21 #include <X11/Xlib.h>
22 #include <X11/Xutil.h>
23
24 #include "gtkcols.h"
25 #include "gtkpanel.h"
26
27 #ifdef TESTMODE
28 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
29 #endif
30
31 #include "putty.h"
32 #include "storage.h"
33 #include "dialog.h"
34 #include "tree234.h"
35
36 struct Shortcut {
37 GtkWidget *widget;
38 struct uctrl *uc;
39 int action;
40 };
41
42 struct Shortcuts {
43 struct Shortcut sc[128];
44 };
45
46 struct uctrl {
47 union control *ctrl;
48 GtkWidget *toplevel;
49 void *privdata;
50 int privdata_needs_free;
51 GtkWidget **buttons; int nbuttons; /* for radio buttons */
52 GtkWidget *entry; /* for editbox, combobox, filesel, fontsel */
53 GtkWidget *button; /* for filesel, fontsel */
54 GtkWidget *list; /* for combobox, listbox */
55 GtkWidget *menu; /* for optionmenu (==droplist) */
56 GtkWidget *optmenu; /* also for optionmenu */
57 GtkWidget *text; /* for text */
58 GtkWidget *label; /* for dlg_label_change */
59 GtkAdjustment *adj; /* for the scrollbar in a list box */
60 guint textsig;
61 };
62
63 struct dlgparam {
64 tree234 *byctrl, *bywidget;
65 void *data;
66 struct { unsigned char r, g, b, ok; } coloursel_result; /* 0-255 */
67 /* `flags' are set to indicate when a GTK signal handler is being called
68 * due to automatic processing and should not flag a user event. */
69 int flags;
70 struct Shortcuts *shortcuts;
71 GtkWidget *window, *cancelbutton, *currtreeitem, **treeitems;
72 union control *currfocus, *lastfocus;
73 int ntreeitems;
74 int retval;
75 };
76 #define FLAG_UPDATING_COMBO_LIST 1
77
78 enum { /* values for Shortcut.action */
79 SHORTCUT_EMPTY, /* no shortcut on this key */
80 SHORTCUT_TREE, /* focus a tree item */
81 SHORTCUT_FOCUS, /* focus the supplied widget */
82 SHORTCUT_UCTRL, /* do something sane with uctrl */
83 SHORTCUT_UCTRL_UP, /* uctrl is a draglist, move Up */
84 SHORTCUT_UCTRL_DOWN, /* uctrl is a draglist, move Down */
85 };
86
87 /*
88 * Forward references.
89 */
90 static gboolean widget_focus(GtkWidget *widget, GdkEventFocus *event,
91 gpointer data);
92 static void shortcut_add(struct Shortcuts *scs, GtkWidget *labelw,
93 int chr, int action, void *ptr);
94 static void shortcut_highlight(GtkWidget *label, int chr);
95 static int listitem_single_key(GtkWidget *item, GdkEventKey *event,
96 gpointer data);
97 static int listitem_multi_key(GtkWidget *item, GdkEventKey *event,
98 gpointer data);
99 static int listitem_button(GtkWidget *item, GdkEventButton *event,
100 gpointer data);
101 static void menuitem_activate(GtkMenuItem *item, gpointer data);
102 static void coloursel_ok(GtkButton *button, gpointer data);
103 static void coloursel_cancel(GtkButton *button, gpointer data);
104 static void window_destroy(GtkWidget *widget, gpointer data);
105
106 static int uctrl_cmp_byctrl(void *av, void *bv)
107 {
108 struct uctrl *a = (struct uctrl *)av;
109 struct uctrl *b = (struct uctrl *)bv;
110 if (a->ctrl < b->ctrl)
111 return -1;
112 else if (a->ctrl > b->ctrl)
113 return +1;
114 return 0;
115 }
116
117 static int uctrl_cmp_byctrl_find(void *av, void *bv)
118 {
119 union control *a = (union control *)av;
120 struct uctrl *b = (struct uctrl *)bv;
121 if (a < b->ctrl)
122 return -1;
123 else if (a > b->ctrl)
124 return +1;
125 return 0;
126 }
127
128 static int uctrl_cmp_bywidget(void *av, void *bv)
129 {
130 struct uctrl *a = (struct uctrl *)av;
131 struct uctrl *b = (struct uctrl *)bv;
132 if (a->toplevel < b->toplevel)
133 return -1;
134 else if (a->toplevel > b->toplevel)
135 return +1;
136 return 0;
137 }
138
139 static int uctrl_cmp_bywidget_find(void *av, void *bv)
140 {
141 GtkWidget *a = (GtkWidget *)av;
142 struct uctrl *b = (struct uctrl *)bv;
143 if (a < b->toplevel)
144 return -1;
145 else if (a > b->toplevel)
146 return +1;
147 return 0;
148 }
149
150 static void dlg_init(struct dlgparam *dp)
151 {
152 dp->byctrl = newtree234(uctrl_cmp_byctrl);
153 dp->bywidget = newtree234(uctrl_cmp_bywidget);
154 dp->coloursel_result.ok = FALSE;
155 dp->treeitems = NULL;
156 dp->window = dp->cancelbutton = dp->currtreeitem = NULL;
157 dp->flags = 0;
158 dp->currfocus = NULL;
159 }
160
161 static void dlg_cleanup(struct dlgparam *dp)
162 {
163 struct uctrl *uc;
164
165 freetree234(dp->byctrl); /* doesn't free the uctrls inside */
166 dp->byctrl = NULL;
167 while ( (uc = index234(dp->bywidget, 0)) != NULL) {
168 del234(dp->bywidget, uc);
169 if (uc->privdata_needs_free)
170 sfree(uc->privdata);
171 sfree(uc->buttons);
172 sfree(uc);
173 }
174 freetree234(dp->bywidget);
175 dp->bywidget = NULL;
176 sfree(dp->treeitems);
177 }
178
179 static void dlg_add_uctrl(struct dlgparam *dp, struct uctrl *uc)
180 {
181 add234(dp->byctrl, uc);
182 add234(dp->bywidget, uc);
183 }
184
185 static struct uctrl *dlg_find_byctrl(struct dlgparam *dp, union control *ctrl)
186 {
187 if (!dp->byctrl)
188 return NULL;
189 return find234(dp->byctrl, ctrl, uctrl_cmp_byctrl_find);
190 }
191
192 static struct uctrl *dlg_find_bywidget(struct dlgparam *dp, GtkWidget *w)
193 {
194 struct uctrl *ret = NULL;
195 if (!dp->bywidget)
196 return NULL;
197 do {
198 ret = find234(dp->bywidget, w, uctrl_cmp_bywidget_find);
199 if (ret)
200 return ret;
201 w = w->parent;
202 } while (w);
203 return ret;
204 }
205
206 void *dlg_get_privdata(union control *ctrl, void *dlg)
207 {
208 struct dlgparam *dp = (struct dlgparam *)dlg;
209 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
210 return uc->privdata;
211 }
212
213 void dlg_set_privdata(union control *ctrl, void *dlg, void *ptr)
214 {
215 struct dlgparam *dp = (struct dlgparam *)dlg;
216 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
217 uc->privdata = ptr;
218 uc->privdata_needs_free = FALSE;
219 }
220
221 void *dlg_alloc_privdata(union control *ctrl, void *dlg, size_t size)
222 {
223 struct dlgparam *dp = (struct dlgparam *)dlg;
224 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
225 /*
226 * This is an internal allocation routine, so it's allowed to
227 * use smalloc directly.
228 */
229 uc->privdata = smalloc(size);
230 uc->privdata_needs_free = FALSE;
231 return uc->privdata;
232 }
233
234 union control *dlg_last_focused(union control *ctrl, void *dlg)
235 {
236 struct dlgparam *dp = (struct dlgparam *)dlg;
237 if (dp->currfocus != ctrl)
238 return dp->currfocus;
239 else
240 return dp->lastfocus;
241 }
242
243 void dlg_radiobutton_set(union control *ctrl, void *dlg, int which)
244 {
245 struct dlgparam *dp = (struct dlgparam *)dlg;
246 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
247 assert(uc->ctrl->generic.type == CTRL_RADIO);
248 assert(uc->buttons != NULL);
249 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(uc->buttons[which]), TRUE);
250 }
251
252 int dlg_radiobutton_get(union control *ctrl, void *dlg)
253 {
254 struct dlgparam *dp = (struct dlgparam *)dlg;
255 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
256 int i;
257
258 assert(uc->ctrl->generic.type == CTRL_RADIO);
259 assert(uc->buttons != NULL);
260 for (i = 0; i < uc->nbuttons; i++)
261 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(uc->buttons[i])))
262 return i;
263 return 0; /* got to return something */
264 }
265
266 void dlg_checkbox_set(union control *ctrl, void *dlg, int checked)
267 {
268 struct dlgparam *dp = (struct dlgparam *)dlg;
269 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
270 assert(uc->ctrl->generic.type == CTRL_CHECKBOX);
271 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(uc->toplevel), checked);
272 }
273
274 int dlg_checkbox_get(union control *ctrl, void *dlg)
275 {
276 struct dlgparam *dp = (struct dlgparam *)dlg;
277 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
278 assert(uc->ctrl->generic.type == CTRL_CHECKBOX);
279 return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(uc->toplevel));
280 }
281
282 void dlg_editbox_set(union control *ctrl, void *dlg, char const *text)
283 {
284 struct dlgparam *dp = (struct dlgparam *)dlg;
285 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
286 assert(uc->ctrl->generic.type == CTRL_EDITBOX);
287 assert(uc->entry != NULL);
288 gtk_entry_set_text(GTK_ENTRY(uc->entry), text);
289 }
290
291 void dlg_editbox_get(union control *ctrl, void *dlg, char *buffer, int length)
292 {
293 struct dlgparam *dp = (struct dlgparam *)dlg;
294 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
295 assert(uc->ctrl->generic.type == CTRL_EDITBOX);
296 assert(uc->entry != NULL);
297 strncpy(buffer, gtk_entry_get_text(GTK_ENTRY(uc->entry)),
298 length);
299 buffer[length-1] = '\0';
300 }
301
302 static void container_remove_and_destroy(GtkWidget *w, gpointer data)
303 {
304 GtkContainer *cont = GTK_CONTAINER(data);
305 /* gtk_container_remove will unref the widget for us; we need not. */
306 gtk_container_remove(cont, w);
307 }
308
309 /* The `listbox' functions can also apply to combo boxes. */
310 void dlg_listbox_clear(union control *ctrl, void *dlg)
311 {
312 struct dlgparam *dp = (struct dlgparam *)dlg;
313 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
314
315 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
316 uc->ctrl->generic.type == CTRL_LISTBOX);
317 assert(uc->menu != NULL || uc->list != NULL);
318
319 if (uc->menu) {
320 gtk_container_foreach(GTK_CONTAINER(uc->menu),
321 container_remove_and_destroy,
322 GTK_CONTAINER(uc->menu));
323 } else {
324 gtk_list_clear_items(GTK_LIST(uc->list), 0, -1);
325 }
326 }
327
328 void dlg_listbox_del(union control *ctrl, void *dlg, int index)
329 {
330 struct dlgparam *dp = (struct dlgparam *)dlg;
331 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
332
333 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
334 uc->ctrl->generic.type == CTRL_LISTBOX);
335 assert(uc->menu != NULL || uc->list != NULL);
336
337 if (uc->menu) {
338 gtk_container_remove
339 (GTK_CONTAINER(uc->menu),
340 g_list_nth_data(GTK_MENU_SHELL(uc->menu)->children, index));
341 } else {
342 gtk_list_clear_items(GTK_LIST(uc->list), index, index+1);
343 }
344 }
345
346 void dlg_listbox_add(union control *ctrl, void *dlg, char const *text)
347 {
348 dlg_listbox_addwithid(ctrl, dlg, text, 0);
349 }
350
351 /*
352 * Each listbox entry may have a numeric id associated with it.
353 * Note that some front ends only permit a string to be stored at
354 * each position, which means that _if_ you put two identical
355 * strings in any listbox then you MUST not assign them different
356 * IDs and expect to get meaningful results back.
357 */
358 void dlg_listbox_addwithid(union control *ctrl, void *dlg,
359 char const *text, int id)
360 {
361 struct dlgparam *dp = (struct dlgparam *)dlg;
362 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
363
364 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
365 uc->ctrl->generic.type == CTRL_LISTBOX);
366 assert(uc->menu != NULL || uc->list != NULL);
367
368 dp->flags |= FLAG_UPDATING_COMBO_LIST;
369
370 if (uc->menu) {
371 /*
372 * List item in a drop-down (but non-combo) list. Tabs are
373 * ignored; we just provide a standard menu item with the
374 * text.
375 */
376 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
377
378 gtk_container_add(GTK_CONTAINER(uc->menu), menuitem);
379 gtk_widget_show(menuitem);
380
381 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
382 GINT_TO_POINTER(id));
383 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
384 GTK_SIGNAL_FUNC(menuitem_activate), dp);
385 } else if (!uc->entry) {
386 /*
387 * List item in a non-combo-box list box. We make all of
388 * these Columns containing GtkLabels. This allows us to do
389 * the nasty force_left hack irrespective of whether there
390 * are tabs in the thing.
391 */
392 GtkWidget *listitem = gtk_list_item_new();
393 GtkWidget *cols = columns_new(10);
394 gint *percents;
395 int i, ncols;
396
397 /* Count the tabs in the text, and hence determine # of columns. */
398 ncols = 1;
399 for (i = 0; text[i]; i++)
400 if (text[i] == '\t')
401 ncols++;
402
403 assert(ncols <=
404 (uc->ctrl->listbox.ncols ? uc->ctrl->listbox.ncols : 1));
405 percents = snewn(ncols, gint);
406 percents[ncols-1] = 100;
407 for (i = 0; i < ncols-1; i++) {
408 percents[i] = uc->ctrl->listbox.percentages[i];
409 percents[ncols-1] -= percents[i];
410 }
411 columns_set_cols(COLUMNS(cols), ncols, percents);
412 sfree(percents);
413
414 for (i = 0; i < ncols; i++) {
415 int len = strcspn(text, "\t");
416 char *dup = dupprintf("%.*s", len, text);
417 GtkWidget *label;
418
419 text += len;
420 if (*text) text++;
421 label = gtk_label_new(dup);
422 sfree(dup);
423
424 columns_add(COLUMNS(cols), label, i, 1);
425 columns_force_left_align(COLUMNS(cols), label);
426 gtk_widget_show(label);
427 }
428 gtk_container_add(GTK_CONTAINER(listitem), cols);
429 gtk_widget_show(cols);
430 gtk_container_add(GTK_CONTAINER(uc->list), listitem);
431 gtk_widget_show(listitem);
432
433 if (ctrl->listbox.multisel) {
434 gtk_signal_connect(GTK_OBJECT(listitem), "key_press_event",
435 GTK_SIGNAL_FUNC(listitem_multi_key), uc->adj);
436 } else {
437 gtk_signal_connect(GTK_OBJECT(listitem), "key_press_event",
438 GTK_SIGNAL_FUNC(listitem_single_key), uc->adj);
439 }
440 gtk_signal_connect(GTK_OBJECT(listitem), "focus_in_event",
441 GTK_SIGNAL_FUNC(widget_focus), dp);
442 gtk_signal_connect(GTK_OBJECT(listitem), "button_press_event",
443 GTK_SIGNAL_FUNC(listitem_button), dp);
444 gtk_object_set_data(GTK_OBJECT(listitem), "user-data",
445 GINT_TO_POINTER(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",
458 GINT_TO_POINTER(id));
459 }
460
461 dp->flags &= ~FLAG_UPDATING_COMBO_LIST;
462 }
463
464 int dlg_listbox_getid(union control *ctrl, void *dlg, int index)
465 {
466 struct dlgparam *dp = (struct dlgparam *)dlg;
467 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
468 GList *children;
469 GtkObject *item;
470
471 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
472 uc->ctrl->generic.type == CTRL_LISTBOX);
473 assert(uc->menu != NULL || uc->list != NULL);
474
475 children = gtk_container_children(GTK_CONTAINER(uc->menu ? uc->menu :
476 uc->list));
477 item = GTK_OBJECT(g_list_nth_data(children, index));
478 g_list_free(children);
479
480 return GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item), "user-data"));
481 }
482
483 /* dlg_listbox_index returns <0 if no single element is selected. */
484 int dlg_listbox_index(union control *ctrl, void *dlg)
485 {
486 struct dlgparam *dp = (struct dlgparam *)dlg;
487 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
488 GList *children;
489 GtkWidget *item, *activeitem;
490 int i;
491 int selected = -1;
492
493 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
494 uc->ctrl->generic.type == CTRL_LISTBOX);
495 assert(uc->menu != NULL || uc->list != NULL);
496
497 if (uc->menu)
498 activeitem = gtk_menu_get_active(GTK_MENU(uc->menu));
499 else
500 activeitem = NULL; /* unnecessarily placate gcc */
501
502 children = gtk_container_children(GTK_CONTAINER(uc->menu ? uc->menu :
503 uc->list));
504 for (i = 0; children!=NULL && (item = GTK_WIDGET(children->data))!=NULL;
505 i++, children = children->next) {
506 if (uc->menu ? activeitem == item :
507 GTK_WIDGET_STATE(item) == GTK_STATE_SELECTED) {
508 if (selected == -1)
509 selected = i;
510 else
511 selected = -2;
512 }
513 }
514 g_list_free(children);
515 return selected < 0 ? -1 : selected;
516 }
517
518 int dlg_listbox_issel(union control *ctrl, void *dlg, int index)
519 {
520 struct dlgparam *dp = (struct dlgparam *)dlg;
521 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
522 GList *children;
523 GtkWidget *item, *activeitem;
524
525 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
526 uc->ctrl->generic.type == CTRL_LISTBOX);
527 assert(uc->menu != NULL || uc->list != NULL);
528
529 children = gtk_container_children(GTK_CONTAINER(uc->menu ? uc->menu :
530 uc->list));
531 item = GTK_WIDGET(g_list_nth_data(children, index));
532 g_list_free(children);
533
534 if (uc->menu) {
535 activeitem = gtk_menu_get_active(GTK_MENU(uc->menu));
536 return item == activeitem;
537 } else {
538 return GTK_WIDGET_STATE(item) == GTK_STATE_SELECTED;
539 }
540 }
541
542 void dlg_listbox_select(union control *ctrl, void *dlg, int index)
543 {
544 struct dlgparam *dp = (struct dlgparam *)dlg;
545 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
546
547 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
548 uc->ctrl->generic.type == CTRL_LISTBOX);
549 assert(uc->optmenu != NULL || uc->list != NULL);
550
551 if (uc->optmenu) {
552 gtk_option_menu_set_history(GTK_OPTION_MENU(uc->optmenu), index);
553 } else {
554 int nitems;
555 GList *items;
556 gdouble newtop, newbot;
557
558 gtk_list_select_item(GTK_LIST(uc->list), index);
559
560 /*
561 * Scroll the list box if necessary to ensure the newly
562 * selected item is visible.
563 */
564 items = gtk_container_children(GTK_CONTAINER(uc->list));
565 nitems = g_list_length(items);
566 if (nitems > 0) {
567 int modified = FALSE;
568 g_list_free(items);
569 newtop = uc->adj->lower +
570 (uc->adj->upper - uc->adj->lower) * index / nitems;
571 newbot = uc->adj->lower +
572 (uc->adj->upper - uc->adj->lower) * (index+1) / nitems;
573 if (uc->adj->value > newtop) {
574 modified = TRUE;
575 uc->adj->value = newtop;
576 } else if (uc->adj->value < newbot - uc->adj->page_size) {
577 modified = TRUE;
578 uc->adj->value = newbot - uc->adj->page_size;
579 }
580 if (modified)
581 gtk_adjustment_value_changed(uc->adj);
582 }
583 }
584 }
585
586 void dlg_text_set(union control *ctrl, void *dlg, char const *text)
587 {
588 struct dlgparam *dp = (struct dlgparam *)dlg;
589 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
590
591 assert(uc->ctrl->generic.type == CTRL_TEXT);
592 assert(uc->text != NULL);
593
594 gtk_label_set_text(GTK_LABEL(uc->text), text);
595 }
596
597 void dlg_label_change(union control *ctrl, void *dlg, char const *text)
598 {
599 struct dlgparam *dp = (struct dlgparam *)dlg;
600 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
601
602 switch (uc->ctrl->generic.type) {
603 case CTRL_BUTTON:
604 gtk_label_set_text(GTK_LABEL(uc->toplevel), text);
605 shortcut_highlight(uc->toplevel, ctrl->button.shortcut);
606 break;
607 case CTRL_CHECKBOX:
608 gtk_label_set_text(GTK_LABEL(uc->toplevel), text);
609 shortcut_highlight(uc->toplevel, ctrl->checkbox.shortcut);
610 break;
611 case CTRL_RADIO:
612 gtk_label_set_text(GTK_LABEL(uc->label), text);
613 shortcut_highlight(uc->label, ctrl->radio.shortcut);
614 break;
615 case CTRL_EDITBOX:
616 gtk_label_set_text(GTK_LABEL(uc->label), text);
617 shortcut_highlight(uc->label, ctrl->editbox.shortcut);
618 break;
619 case CTRL_FILESELECT:
620 gtk_label_set_text(GTK_LABEL(uc->label), text);
621 shortcut_highlight(uc->label, ctrl->fileselect.shortcut);
622 break;
623 case CTRL_FONTSELECT:
624 gtk_label_set_text(GTK_LABEL(uc->label), text);
625 shortcut_highlight(uc->label, ctrl->fontselect.shortcut);
626 break;
627 case CTRL_LISTBOX:
628 gtk_label_set_text(GTK_LABEL(uc->label), text);
629 shortcut_highlight(uc->label, ctrl->listbox.shortcut);
630 break;
631 default:
632 assert(!"This shouldn't happen");
633 break;
634 }
635 }
636
637 void dlg_filesel_set(union control *ctrl, void *dlg, Filename fn)
638 {
639 struct dlgparam *dp = (struct dlgparam *)dlg;
640 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
641 assert(uc->ctrl->generic.type == CTRL_FILESELECT);
642 assert(uc->entry != NULL);
643 gtk_entry_set_text(GTK_ENTRY(uc->entry), fn.path);
644 }
645
646 void dlg_filesel_get(union control *ctrl, void *dlg, Filename *fn)
647 {
648 struct dlgparam *dp = (struct dlgparam *)dlg;
649 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
650 assert(uc->ctrl->generic.type == CTRL_FILESELECT);
651 assert(uc->entry != NULL);
652 strncpy(fn->path, gtk_entry_get_text(GTK_ENTRY(uc->entry)),
653 lenof(fn->path));
654 fn->path[lenof(fn->path)-1] = '\0';
655 }
656
657 void dlg_fontsel_set(union control *ctrl, void *dlg, FontSpec fs)
658 {
659 struct dlgparam *dp = (struct dlgparam *)dlg;
660 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
661 assert(uc->ctrl->generic.type == CTRL_FONTSELECT);
662 assert(uc->entry != NULL);
663 gtk_entry_set_text(GTK_ENTRY(uc->entry), fs.name);
664 }
665
666 void dlg_fontsel_get(union control *ctrl, void *dlg, FontSpec *fs)
667 {
668 struct dlgparam *dp = (struct dlgparam *)dlg;
669 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
670 assert(uc->ctrl->generic.type == CTRL_FONTSELECT);
671 assert(uc->entry != NULL);
672 strncpy(fs->name, gtk_entry_get_text(GTK_ENTRY(uc->entry)),
673 lenof(fs->name));
674 fs->name[lenof(fs->name)-1] = '\0';
675 }
676
677 /*
678 * Bracketing a large set of updates in these two functions will
679 * cause the front end (if possible) to delay updating the screen
680 * until it's all complete, thus avoiding flicker.
681 */
682 void dlg_update_start(union control *ctrl, void *dlg)
683 {
684 /*
685 * Apparently we can't do this at all in GTK. GtkCList supports
686 * freeze and thaw, but not GtkList. Bah.
687 */
688 }
689
690 void dlg_update_done(union control *ctrl, void *dlg)
691 {
692 /*
693 * Apparently we can't do this at all in GTK. GtkCList supports
694 * freeze and thaw, but not GtkList. Bah.
695 */
696 }
697
698 void dlg_set_focus(union control *ctrl, void *dlg)
699 {
700 struct dlgparam *dp = (struct dlgparam *)dlg;
701 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
702
703 switch (ctrl->generic.type) {
704 case CTRL_CHECKBOX:
705 case CTRL_BUTTON:
706 /* Check boxes and buttons get the focus _and_ get toggled. */
707 gtk_widget_grab_focus(uc->toplevel);
708 break;
709 case CTRL_FILESELECT:
710 case CTRL_FONTSELECT:
711 case CTRL_EDITBOX:
712 /* Anything containing an edit box gets that focused. */
713 gtk_widget_grab_focus(uc->entry);
714 break;
715 case CTRL_RADIO:
716 /*
717 * Radio buttons: we find the currently selected button and
718 * focus it.
719 */
720 {
721 int i;
722 for (i = 0; i < ctrl->radio.nbuttons; i++)
723 if (gtk_toggle_button_get_active
724 (GTK_TOGGLE_BUTTON(uc->buttons[i]))) {
725 gtk_widget_grab_focus(uc->buttons[i]);
726 }
727 }
728 break;
729 case CTRL_LISTBOX:
730 /*
731 * If the list is really an option menu, we focus it.
732 * Otherwise we tell it to focus one of its children, which
733 * appears to do the Right Thing.
734 */
735 if (uc->optmenu) {
736 gtk_widget_grab_focus(uc->optmenu);
737 } else {
738 assert(uc->list != NULL);
739 gtk_container_focus(GTK_CONTAINER(uc->list), GTK_DIR_TAB_FORWARD);
740 }
741 break;
742 }
743 }
744
745 /*
746 * During event processing, you might well want to give an error
747 * indication to the user. dlg_beep() is a quick and easy generic
748 * error; dlg_error() puts up a message-box or equivalent.
749 */
750 void dlg_beep(void *dlg)
751 {
752 gdk_beep();
753 }
754
755 static void errmsg_button_clicked(GtkButton *button, gpointer data)
756 {
757 gtk_widget_destroy(GTK_WIDGET(data));
758 }
759
760 static void set_transient_window_pos(GtkWidget *parent, GtkWidget *child)
761 {
762 gint x, y, w, h, dx, dy;
763 GtkRequisition req;
764 gtk_window_set_position(GTK_WINDOW(child), GTK_WIN_POS_NONE);
765 gtk_widget_size_request(GTK_WIDGET(child), &req);
766
767 gdk_window_get_origin(GTK_WIDGET(parent)->window, &x, &y);
768 gdk_window_get_size(GTK_WIDGET(parent)->window, &w, &h);
769
770 /*
771 * One corner of the transient will be offset inwards, by 1/4
772 * of the parent window's size, from the corresponding corner
773 * of the parent window. The corner will be chosen so as to
774 * place the transient closer to the centre of the screen; this
775 * should avoid transients going off the edge of the screen on
776 * a regular basis.
777 */
778 if (x + w/2 < gdk_screen_width() / 2)
779 dx = x + w/4; /* work from left edges */
780 else
781 dx = x + 3*w/4 - req.width; /* work from right edges */
782 if (y + h/2 < gdk_screen_height() / 2)
783 dy = y + h/4; /* work from top edges */
784 else
785 dy = y + 3*h/4 - req.height; /* work from bottom edges */
786 gtk_widget_set_uposition(GTK_WIDGET(child), dx, dy);
787 }
788
789 void dlg_error_msg(void *dlg, char *msg)
790 {
791 struct dlgparam *dp = (struct dlgparam *)dlg;
792 GtkWidget *window, *hbox, *text, *ok;
793
794 window = gtk_dialog_new();
795 text = gtk_label_new(msg);
796 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
797 hbox = gtk_hbox_new(FALSE, 0);
798 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
799 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
800 hbox, FALSE, FALSE, 20);
801 gtk_widget_show(text);
802 gtk_widget_show(hbox);
803 gtk_window_set_title(GTK_WINDOW(window), "Error");
804 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
805 ok = gtk_button_new_with_label("OK");
806 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
807 ok, FALSE, FALSE, 0);
808 gtk_widget_show(ok);
809 GTK_WIDGET_SET_FLAGS(ok, GTK_CAN_DEFAULT);
810 gtk_window_set_default(GTK_WINDOW(window), ok);
811 gtk_signal_connect(GTK_OBJECT(ok), "clicked",
812 GTK_SIGNAL_FUNC(errmsg_button_clicked), window);
813 gtk_signal_connect(GTK_OBJECT(window), "destroy",
814 GTK_SIGNAL_FUNC(window_destroy), NULL);
815 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
816 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(dp->window));
817 set_transient_window_pos(dp->window, window);
818 gtk_widget_show(window);
819 gtk_main();
820 }
821
822 /*
823 * This function signals to the front end that the dialog's
824 * processing is completed, and passes an integer value (typically
825 * a success status).
826 */
827 void dlg_end(void *dlg, int value)
828 {
829 struct dlgparam *dp = (struct dlgparam *)dlg;
830 dp->retval = value;
831 gtk_widget_destroy(dp->window);
832 }
833
834 void dlg_refresh(union control *ctrl, void *dlg)
835 {
836 struct dlgparam *dp = (struct dlgparam *)dlg;
837 struct uctrl *uc;
838
839 if (ctrl) {
840 if (ctrl->generic.handler != NULL)
841 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH);
842 } else {
843 int i;
844
845 for (i = 0; (uc = index234(dp->byctrl, i)) != NULL; i++) {
846 assert(uc->ctrl != NULL);
847 if (uc->ctrl->generic.handler != NULL)
848 uc->ctrl->generic.handler(uc->ctrl, dp,
849 dp->data, EVENT_REFRESH);
850 }
851 }
852 }
853
854 void dlg_coloursel_start(union control *ctrl, void *dlg, int r, int g, int b)
855 {
856 struct dlgparam *dp = (struct dlgparam *)dlg;
857 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
858 gdouble cvals[4];
859
860 GtkWidget *coloursel =
861 gtk_color_selection_dialog_new("Select a colour");
862 GtkColorSelectionDialog *ccs = GTK_COLOR_SELECTION_DIALOG(coloursel);
863
864 dp->coloursel_result.ok = FALSE;
865
866 gtk_window_set_modal(GTK_WINDOW(coloursel), TRUE);
867 gtk_color_selection_set_opacity(GTK_COLOR_SELECTION(ccs->colorsel), FALSE);
868 cvals[0] = r / 255.0;
869 cvals[1] = g / 255.0;
870 cvals[2] = b / 255.0;
871 cvals[3] = 1.0; /* fully opaque! */
872 gtk_color_selection_set_color(GTK_COLOR_SELECTION(ccs->colorsel), cvals);
873
874 gtk_object_set_data(GTK_OBJECT(ccs->ok_button), "user-data",
875 (gpointer)coloursel);
876 gtk_object_set_data(GTK_OBJECT(ccs->cancel_button), "user-data",
877 (gpointer)coloursel);
878 gtk_object_set_data(GTK_OBJECT(coloursel), "user-data", (gpointer)uc);
879 gtk_signal_connect(GTK_OBJECT(ccs->ok_button), "clicked",
880 GTK_SIGNAL_FUNC(coloursel_ok), (gpointer)dp);
881 gtk_signal_connect(GTK_OBJECT(ccs->cancel_button), "clicked",
882 GTK_SIGNAL_FUNC(coloursel_cancel), (gpointer)dp);
883 gtk_signal_connect_object(GTK_OBJECT(ccs->ok_button), "clicked",
884 GTK_SIGNAL_FUNC(gtk_widget_destroy),
885 (gpointer)coloursel);
886 gtk_signal_connect_object(GTK_OBJECT(ccs->cancel_button), "clicked",
887 GTK_SIGNAL_FUNC(gtk_widget_destroy),
888 (gpointer)coloursel);
889 gtk_widget_show(coloursel);
890 }
891
892 int dlg_coloursel_results(union control *ctrl, void *dlg,
893 int *r, int *g, int *b)
894 {
895 struct dlgparam *dp = (struct dlgparam *)dlg;
896 if (dp->coloursel_result.ok) {
897 *r = dp->coloursel_result.r;
898 *g = dp->coloursel_result.g;
899 *b = dp->coloursel_result.b;
900 return 1;
901 } else
902 return 0;
903 }
904
905 /* ----------------------------------------------------------------------
906 * Signal handlers while the dialog box is active.
907 */
908
909 static gboolean widget_focus(GtkWidget *widget, GdkEventFocus *event,
910 gpointer data)
911 {
912 struct dlgparam *dp = (struct dlgparam *)data;
913 struct uctrl *uc = dlg_find_bywidget(dp, widget);
914 union control *focus;
915
916 if (uc && uc->ctrl)
917 focus = uc->ctrl;
918 else
919 focus = NULL;
920
921 if (focus != dp->currfocus) {
922 dp->lastfocus = dp->currfocus;
923 dp->currfocus = focus;
924 }
925
926 return FALSE;
927 }
928
929 static void button_clicked(GtkButton *button, gpointer data)
930 {
931 struct dlgparam *dp = (struct dlgparam *)data;
932 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
933 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_ACTION);
934 }
935
936 static void button_toggled(GtkToggleButton *tb, gpointer data)
937 {
938 struct dlgparam *dp = (struct dlgparam *)data;
939 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(tb));
940 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_VALCHANGE);
941 }
942
943 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
944 {
945 /*
946 * GtkEntry has a nasty habit of eating the Return key, which
947 * is unhelpful since it doesn't actually _do_ anything with it
948 * (it calls gtk_widget_activate, but our edit boxes never need
949 * activating). So I catch Return before GtkEntry sees it, and
950 * pass it straight on to the parent widget. Effect: hitting
951 * Return in an edit box will now activate the default button
952 * in the dialog just like it will everywhere else.
953 */
954 if (event->keyval == GDK_Return && widget->parent != NULL) {
955 gint return_val;
956 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
957 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
958 event, &return_val);
959 return return_val;
960 }
961 return FALSE;
962 }
963
964 static void editbox_changed(GtkEditable *ed, gpointer data)
965 {
966 struct dlgparam *dp = (struct dlgparam *)data;
967 if (!(dp->flags & FLAG_UPDATING_COMBO_LIST)) {
968 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(ed));
969 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_VALCHANGE);
970 }
971 }
972
973 static void editbox_lostfocus(GtkWidget *ed, GdkEventFocus *event,
974 gpointer data)
975 {
976 struct dlgparam *dp = (struct dlgparam *)data;
977 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(ed));
978 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_REFRESH);
979 }
980
981 static int listitem_key(GtkWidget *item, GdkEventKey *event, gpointer data,
982 int multiple)
983 {
984 GtkAdjustment *adj = GTK_ADJUSTMENT(data);
985
986 if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
987 event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
988 event->keyval == GDK_Page_Up || event->keyval == GDK_KP_Page_Up ||
989 event->keyval == GDK_Page_Down || event->keyval == GDK_KP_Page_Down) {
990 /*
991 * Up, Down, PgUp or PgDn have been pressed on a ListItem
992 * in a list box. So, if the list box is single-selection:
993 *
994 * - if the list item in question isn't already selected,
995 * we simply select it.
996 * - otherwise, we find the next one (or next
997 * however-far-away) in whichever direction we're going,
998 * and select that.
999 * + in this case, we must also fiddle with the
1000 * scrollbar to ensure the newly selected item is
1001 * actually visible.
1002 *
1003 * If it's multiple-selection, we do all of the above
1004 * except actually selecting anything, so we move the focus
1005 * and fiddle the scrollbar to follow it.
1006 */
1007 GtkWidget *list = item->parent;
1008
1009 gtk_signal_emit_stop_by_name(GTK_OBJECT(item), "key_press_event");
1010
1011 if (!multiple &&
1012 GTK_WIDGET_STATE(item) != GTK_STATE_SELECTED) {
1013 gtk_list_select_child(GTK_LIST(list), item);
1014 } else {
1015 int direction =
1016 (event->keyval==GDK_Up || event->keyval==GDK_KP_Up ||
1017 event->keyval==GDK_Page_Up || event->keyval==GDK_KP_Page_Up)
1018 ? -1 : +1;
1019 int step =
1020 (event->keyval==GDK_Page_Down ||
1021 event->keyval==GDK_KP_Page_Down ||
1022 event->keyval==GDK_Page_Up || event->keyval==GDK_KP_Page_Up)
1023 ? 2 : 1;
1024 int i, n;
1025 GList *children, *chead;
1026
1027 chead = children = gtk_container_children(GTK_CONTAINER(list));
1028
1029 n = g_list_length(children);
1030
1031 if (step == 2) {
1032 /*
1033 * Figure out how many list items to a screenful,
1034 * and adjust the step appropriately.
1035 */
1036 step = 0.5 + adj->page_size * n / (adj->upper - adj->lower);
1037 step--; /* go by one less than that */
1038 }
1039
1040 i = 0;
1041 while (children != NULL) {
1042 if (item == children->data)
1043 break;
1044 children = children->next;
1045 i++;
1046 }
1047
1048 while (step > 0) {
1049 if (direction < 0 && i > 0)
1050 children = children->prev, i--;
1051 else if (direction > 0 && i < n-1)
1052 children = children->next, i++;
1053 step--;
1054 }
1055
1056 if (children && children->data) {
1057 if (!multiple)
1058 gtk_list_select_child(GTK_LIST(list),
1059 GTK_WIDGET(children->data));
1060 gtk_widget_grab_focus(GTK_WIDGET(children->data));
1061 gtk_adjustment_clamp_page
1062 (adj,
1063 adj->lower + (adj->upper-adj->lower) * i / n,
1064 adj->lower + (adj->upper-adj->lower) * (i+1) / n);
1065 }
1066
1067 g_list_free(chead);
1068 }
1069 return TRUE;
1070 }
1071
1072 return FALSE;
1073 }
1074
1075 static int listitem_single_key(GtkWidget *item, GdkEventKey *event,
1076 gpointer data)
1077 {
1078 return listitem_key(item, event, data, FALSE);
1079 }
1080
1081 static int listitem_multi_key(GtkWidget *item, GdkEventKey *event,
1082 gpointer data)
1083 {
1084 return listitem_key(item, event, data, TRUE);
1085 }
1086
1087 static int listitem_button(GtkWidget *item, GdkEventButton *event,
1088 gpointer data)
1089 {
1090 struct dlgparam *dp = (struct dlgparam *)data;
1091 if (event->type == GDK_2BUTTON_PRESS ||
1092 event->type == GDK_3BUTTON_PRESS) {
1093 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(item));
1094 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_ACTION);
1095 return TRUE;
1096 }
1097 return FALSE;
1098 }
1099
1100 static void list_selchange(GtkList *list, gpointer data)
1101 {
1102 struct dlgparam *dp = (struct dlgparam *)data;
1103 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(list));
1104 if (!uc) return;
1105 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_SELCHANGE);
1106 }
1107
1108 static void menuitem_activate(GtkMenuItem *item, gpointer data)
1109 {
1110 struct dlgparam *dp = (struct dlgparam *)data;
1111 GtkWidget *menushell = GTK_WIDGET(item)->parent;
1112 gpointer optmenu = gtk_object_get_data(GTK_OBJECT(menushell), "user-data");
1113 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(optmenu));
1114 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_SELCHANGE);
1115 }
1116
1117 static void draglist_move(struct dlgparam *dp, struct uctrl *uc, int direction)
1118 {
1119 int index = dlg_listbox_index(uc->ctrl, dp);
1120 GList *children = gtk_container_children(GTK_CONTAINER(uc->list));
1121 GtkWidget *child;
1122
1123 if ((index < 0) ||
1124 (index == 0 && direction < 0) ||
1125 (index == g_list_length(children)-1 && direction > 0)) {
1126 gdk_beep();
1127 return;
1128 }
1129
1130 child = g_list_nth_data(children, index);
1131 gtk_widget_ref(child);
1132 gtk_list_clear_items(GTK_LIST(uc->list), index, index+1);
1133 g_list_free(children);
1134
1135 children = NULL;
1136 children = g_list_append(children, child);
1137 gtk_list_insert_items(GTK_LIST(uc->list), children, index + direction);
1138 gtk_list_select_item(GTK_LIST(uc->list), index + direction);
1139 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_VALCHANGE);
1140 }
1141
1142 static void draglist_up(GtkButton *button, gpointer data)
1143 {
1144 struct dlgparam *dp = (struct dlgparam *)data;
1145 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1146 draglist_move(dp, uc, -1);
1147 }
1148
1149 static void draglist_down(GtkButton *button, gpointer data)
1150 {
1151 struct dlgparam *dp = (struct dlgparam *)data;
1152 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1153 draglist_move(dp, uc, +1);
1154 }
1155
1156 static void filesel_ok(GtkButton *button, gpointer data)
1157 {
1158 /* struct dlgparam *dp = (struct dlgparam *)data; */
1159 gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1160 struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(filesel), "user-data");
1161 char *name = gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
1162 gtk_entry_set_text(GTK_ENTRY(uc->entry), name);
1163 }
1164
1165 static void fontsel_ok(GtkButton *button, gpointer data)
1166 {
1167 /* struct dlgparam *dp = (struct dlgparam *)data; */
1168 gpointer fontsel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1169 struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(fontsel), "user-data");
1170 char *name = gtk_font_selection_dialog_get_font_name
1171 (GTK_FONT_SELECTION_DIALOG(fontsel));
1172 gtk_entry_set_text(GTK_ENTRY(uc->entry), name);
1173 }
1174
1175 static void coloursel_ok(GtkButton *button, gpointer data)
1176 {
1177 struct dlgparam *dp = (struct dlgparam *)data;
1178 gpointer coloursel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1179 struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(coloursel), "user-data");
1180 gdouble cvals[4];
1181 gtk_color_selection_get_color
1182 (GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(coloursel)->colorsel),
1183 cvals);
1184 dp->coloursel_result.r = (int) (255 * cvals[0]);
1185 dp->coloursel_result.g = (int) (255 * cvals[1]);
1186 dp->coloursel_result.b = (int) (255 * cvals[2]);
1187 dp->coloursel_result.ok = TRUE;
1188 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_CALLBACK);
1189 }
1190
1191 static void coloursel_cancel(GtkButton *button, gpointer data)
1192 {
1193 struct dlgparam *dp = (struct dlgparam *)data;
1194 gpointer coloursel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1195 struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(coloursel), "user-data");
1196 dp->coloursel_result.ok = FALSE;
1197 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_CALLBACK);
1198 }
1199
1200 static void filefont_clicked(GtkButton *button, gpointer data)
1201 {
1202 struct dlgparam *dp = (struct dlgparam *)data;
1203 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1204
1205 if (uc->ctrl->generic.type == CTRL_FILESELECT) {
1206 GtkWidget *filesel =
1207 gtk_file_selection_new(uc->ctrl->fileselect.title);
1208 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1209 gtk_object_set_data
1210 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1211 (gpointer)filesel);
1212 gtk_object_set_data(GTK_OBJECT(filesel), "user-data", (gpointer)uc);
1213 gtk_signal_connect
1214 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1215 GTK_SIGNAL_FUNC(filesel_ok), (gpointer)dp);
1216 gtk_signal_connect_object
1217 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1218 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1219 gtk_signal_connect_object
1220 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1221 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1222 gtk_widget_show(filesel);
1223 }
1224
1225 if (uc->ctrl->generic.type == CTRL_FONTSELECT) {
1226 gchar *spacings[] = { "c", "m", NULL };
1227 gchar *fontname = gtk_entry_get_text(GTK_ENTRY(uc->entry));
1228 GtkWidget *fontsel =
1229 gtk_font_selection_dialog_new("Select a font");
1230 gtk_window_set_modal(GTK_WINDOW(fontsel), TRUE);
1231 gtk_font_selection_dialog_set_filter
1232 (GTK_FONT_SELECTION_DIALOG(fontsel),
1233 GTK_FONT_FILTER_BASE, GTK_FONT_ALL,
1234 NULL, NULL, NULL, NULL, spacings, NULL);
1235 if (!gtk_font_selection_dialog_set_font_name
1236 (GTK_FONT_SELECTION_DIALOG(fontsel), fontname)) {
1237 /*
1238 * If the font name wasn't found as it was, try opening
1239 * it and extracting its FONT property. This should
1240 * have the effect of mapping short aliases into true
1241 * XLFDs.
1242 */
1243 GdkFont *font = gdk_font_load(fontname);
1244 if (font) {
1245 XFontStruct *xfs = GDK_FONT_XFONT(font);
1246 Display *disp = GDK_FONT_XDISPLAY(font);
1247 Atom fontprop = XInternAtom(disp, "FONT", False);
1248 unsigned long ret;
1249 if (XGetFontProperty(xfs, fontprop, &ret)) {
1250 char *name = XGetAtomName(disp, (Atom)ret);
1251 if (name)
1252 gtk_font_selection_dialog_set_font_name
1253 (GTK_FONT_SELECTION_DIALOG(fontsel), name);
1254 }
1255 gdk_font_unref(font);
1256 }
1257 }
1258 gtk_object_set_data
1259 (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->ok_button),
1260 "user-data", (gpointer)fontsel);
1261 gtk_object_set_data(GTK_OBJECT(fontsel), "user-data", (gpointer)uc);
1262 gtk_signal_connect
1263 (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->ok_button),
1264 "clicked", GTK_SIGNAL_FUNC(fontsel_ok), (gpointer)dp);
1265 gtk_signal_connect_object
1266 (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->ok_button),
1267 "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy),
1268 (gpointer)fontsel);
1269 gtk_signal_connect_object
1270 (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->cancel_button),
1271 "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy),
1272 (gpointer)fontsel);
1273 gtk_widget_show(fontsel);
1274 }
1275 }
1276
1277 static void label_sizealloc(GtkWidget *widget, GtkAllocation *alloc,
1278 gpointer data)
1279 {
1280 struct dlgparam *dp = (struct dlgparam *)data;
1281 struct uctrl *uc = dlg_find_bywidget(dp, widget);
1282
1283 gtk_widget_set_usize(uc->text, alloc->width, -1);
1284 gtk_label_set_text(GTK_LABEL(uc->text), uc->ctrl->generic.label);
1285 gtk_signal_disconnect(GTK_OBJECT(uc->text), uc->textsig);
1286 }
1287
1288 /* ----------------------------------------------------------------------
1289 * This function does the main layout work: it reads a controlset,
1290 * it creates the relevant GTK controls, and returns a GtkWidget
1291 * containing the result. (This widget might be a title of some
1292 * sort, it might be a Columns containing many controls, or it
1293 * might be a GtkFrame containing a Columns; whatever it is, it's
1294 * definitely a GtkWidget and should probably be added to a
1295 * GtkVbox.)
1296 *
1297 * `listitemheight' is used to calculate a usize for list boxes: it
1298 * should be the height from the size request of a GtkListItem.
1299 *
1300 * `win' is required for setting the default button. If it is
1301 * non-NULL, all buttons created will be default-capable (so they
1302 * have extra space round them for the default highlight).
1303 */
1304 GtkWidget *layout_ctrls(struct dlgparam *dp, struct Shortcuts *scs,
1305 struct controlset *s, int listitemheight,
1306 GtkWindow *win)
1307 {
1308 Columns *cols;
1309 GtkWidget *ret;
1310 int i;
1311
1312 if (!s->boxname && s->boxtitle) {
1313 /* This controlset is a panel title. */
1314 return gtk_label_new(s->boxtitle);
1315 }
1316
1317 /*
1318 * Otherwise, we expect to be laying out actual controls, so
1319 * we'll start by creating a Columns for the purpose.
1320 */
1321 cols = COLUMNS(columns_new(4));
1322 ret = GTK_WIDGET(cols);
1323 gtk_widget_show(ret);
1324
1325 /*
1326 * Create a containing frame if we have a box name.
1327 */
1328 if (*s->boxname) {
1329 ret = gtk_frame_new(s->boxtitle); /* NULL is valid here */
1330 gtk_container_set_border_width(GTK_CONTAINER(cols), 4);
1331 gtk_container_add(GTK_CONTAINER(ret), GTK_WIDGET(cols));
1332 gtk_widget_show(ret);
1333 }
1334
1335 /*
1336 * Now iterate through the controls themselves, create them,
1337 * and add them to the Columns.
1338 */
1339 for (i = 0; i < s->ncontrols; i++) {
1340 union control *ctrl = s->ctrls[i];
1341 struct uctrl *uc;
1342 int left = FALSE;
1343 GtkWidget *w = NULL;
1344
1345 switch (ctrl->generic.type) {
1346 case CTRL_COLUMNS:
1347 {
1348 static const int simplecols[1] = { 100 };
1349 columns_set_cols(cols, ctrl->columns.ncols,
1350 (ctrl->columns.percentages ?
1351 ctrl->columns.percentages : simplecols));
1352 }
1353 continue; /* no actual control created */
1354 case CTRL_TABDELAY:
1355 {
1356 struct uctrl *uc = dlg_find_byctrl(dp, ctrl->tabdelay.ctrl);
1357 if (uc)
1358 columns_taborder_last(cols, uc->toplevel);
1359 }
1360 continue; /* no actual control created */
1361 }
1362
1363 uc = snew(struct uctrl);
1364 uc->ctrl = ctrl;
1365 uc->privdata = NULL;
1366 uc->privdata_needs_free = FALSE;
1367 uc->buttons = NULL;
1368 uc->entry = uc->list = uc->menu = NULL;
1369 uc->button = uc->optmenu = uc->text = NULL;
1370 uc->label = NULL;
1371
1372 switch (ctrl->generic.type) {
1373 case CTRL_BUTTON:
1374 w = gtk_button_new_with_label(ctrl->generic.label);
1375 if (win) {
1376 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
1377 if (ctrl->button.isdefault)
1378 gtk_window_set_default(win, w);
1379 if (ctrl->button.iscancel)
1380 dp->cancelbutton = w;
1381 }
1382 gtk_signal_connect(GTK_OBJECT(w), "clicked",
1383 GTK_SIGNAL_FUNC(button_clicked), dp);
1384 gtk_signal_connect(GTK_OBJECT(w), "focus_in_event",
1385 GTK_SIGNAL_FUNC(widget_focus), dp);
1386 shortcut_add(scs, GTK_BIN(w)->child, ctrl->button.shortcut,
1387 SHORTCUT_UCTRL, uc);
1388 break;
1389 case CTRL_CHECKBOX:
1390 w = gtk_check_button_new_with_label(ctrl->generic.label);
1391 gtk_signal_connect(GTK_OBJECT(w), "toggled",
1392 GTK_SIGNAL_FUNC(button_toggled), dp);
1393 gtk_signal_connect(GTK_OBJECT(w), "focus_in_event",
1394 GTK_SIGNAL_FUNC(widget_focus), dp);
1395 shortcut_add(scs, GTK_BIN(w)->child, ctrl->checkbox.shortcut,
1396 SHORTCUT_UCTRL, uc);
1397 left = TRUE;
1398 break;
1399 case CTRL_RADIO:
1400 /*
1401 * Radio buttons get to go inside their own Columns, no
1402 * matter what.
1403 */
1404 {
1405 gint i, *percentages;
1406 GSList *group;
1407
1408 w = columns_new(0);
1409 if (ctrl->generic.label) {
1410 GtkWidget *label = gtk_label_new(ctrl->generic.label);
1411 columns_add(COLUMNS(w), label, 0, 1);
1412 columns_force_left_align(COLUMNS(w), label);
1413 gtk_widget_show(label);
1414 shortcut_add(scs, label, ctrl->radio.shortcut,
1415 SHORTCUT_UCTRL, uc);
1416 uc->label = label;
1417 }
1418 percentages = g_new(gint, ctrl->radio.ncolumns);
1419 for (i = 0; i < ctrl->radio.ncolumns; i++) {
1420 percentages[i] =
1421 ((100 * (i+1) / ctrl->radio.ncolumns) -
1422 100 * i / ctrl->radio.ncolumns);
1423 }
1424 columns_set_cols(COLUMNS(w), ctrl->radio.ncolumns,
1425 percentages);
1426 g_free(percentages);
1427 group = NULL;
1428
1429 uc->nbuttons = ctrl->radio.nbuttons;
1430 uc->buttons = snewn(uc->nbuttons, GtkWidget *);
1431
1432 for (i = 0; i < ctrl->radio.nbuttons; i++) {
1433 GtkWidget *b;
1434 gint colstart;
1435
1436 b = (gtk_radio_button_new_with_label
1437 (group, ctrl->radio.buttons[i]));
1438 uc->buttons[i] = b;
1439 group = gtk_radio_button_group(GTK_RADIO_BUTTON(b));
1440 colstart = i % ctrl->radio.ncolumns;
1441 columns_add(COLUMNS(w), b, colstart,
1442 (i == ctrl->radio.nbuttons-1 ?
1443 ctrl->radio.ncolumns - colstart : 1));
1444 columns_force_left_align(COLUMNS(w), b);
1445 gtk_widget_show(b);
1446 gtk_signal_connect(GTK_OBJECT(b), "toggled",
1447 GTK_SIGNAL_FUNC(button_toggled), dp);
1448 gtk_signal_connect(GTK_OBJECT(b), "focus_in_event",
1449 GTK_SIGNAL_FUNC(widget_focus), dp);
1450 if (ctrl->radio.shortcuts) {
1451 shortcut_add(scs, GTK_BIN(b)->child,
1452 ctrl->radio.shortcuts[i],
1453 SHORTCUT_UCTRL, uc);
1454 }
1455 }
1456 }
1457 break;
1458 case CTRL_EDITBOX:
1459 {
1460 GtkRequisition req;
1461
1462 if (ctrl->editbox.has_list) {
1463 w = gtk_combo_new();
1464 gtk_combo_set_value_in_list(GTK_COMBO(w), FALSE, TRUE);
1465 uc->entry = GTK_COMBO(w)->entry;
1466 uc->list = GTK_COMBO(w)->list;
1467 } else {
1468 w = gtk_entry_new();
1469 if (ctrl->editbox.password)
1470 gtk_entry_set_visibility(GTK_ENTRY(w), FALSE);
1471 uc->entry = w;
1472 }
1473 gtk_signal_connect(GTK_OBJECT(uc->entry), "changed",
1474 GTK_SIGNAL_FUNC(editbox_changed), dp);
1475 gtk_signal_connect(GTK_OBJECT(uc->entry), "key_press_event",
1476 GTK_SIGNAL_FUNC(editbox_key), dp);
1477 gtk_signal_connect(GTK_OBJECT(uc->entry), "focus_in_event",
1478 GTK_SIGNAL_FUNC(widget_focus), dp);
1479 /*
1480 * Edit boxes, for some strange reason, have a minimum
1481 * width of 150 in GTK 1.2. We don't want this - we'd
1482 * rather the edit boxes acquired their natural width
1483 * from the column layout of the rest of the box.
1484 *
1485 * Also, while we're here, we'll squirrel away the
1486 * edit box height so we can use that to centre its
1487 * label vertically beside it.
1488 */
1489 gtk_widget_size_request(w, &req);
1490 gtk_widget_set_usize(w, 10, req.height);
1491
1492 if (ctrl->generic.label) {
1493 GtkWidget *label, *container;
1494
1495 label = gtk_label_new(ctrl->generic.label);
1496
1497 shortcut_add(scs, label, ctrl->editbox.shortcut,
1498 SHORTCUT_FOCUS, uc->entry);
1499
1500 container = columns_new(4);
1501 if (ctrl->editbox.percentwidth == 100) {
1502 columns_add(COLUMNS(container), label, 0, 1);
1503 columns_force_left_align(COLUMNS(container), label);
1504 columns_add(COLUMNS(container), w, 0, 1);
1505 } else {
1506 gint percentages[2];
1507 percentages[1] = ctrl->editbox.percentwidth;
1508 percentages[0] = 100 - ctrl->editbox.percentwidth;
1509 columns_set_cols(COLUMNS(container), 2, percentages);
1510 columns_add(COLUMNS(container), label, 0, 1);
1511 columns_force_left_align(COLUMNS(container), label);
1512 columns_add(COLUMNS(container), w, 1, 1);
1513 /* Centre the label vertically. */
1514 gtk_widget_set_usize(label, -1, req.height);
1515 gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
1516 }
1517 gtk_widget_show(label);
1518 gtk_widget_show(w);
1519
1520 w = container;
1521 uc->label = label;
1522 }
1523 gtk_signal_connect(GTK_OBJECT(uc->entry), "focus_out_event",
1524 GTK_SIGNAL_FUNC(editbox_lostfocus), dp);
1525 }
1526 break;
1527 case CTRL_FILESELECT:
1528 case CTRL_FONTSELECT:
1529 {
1530 GtkWidget *ww;
1531 GtkRequisition req;
1532 char *browsebtn =
1533 (ctrl->generic.type == CTRL_FILESELECT ?
1534 "Browse..." : "Change...");
1535
1536 gint percentages[] = { 75, 25 };
1537 w = columns_new(4);
1538 columns_set_cols(COLUMNS(w), 2, percentages);
1539
1540 if (ctrl->generic.label) {
1541 ww = gtk_label_new(ctrl->generic.label);
1542 columns_add(COLUMNS(w), ww, 0, 2);
1543 columns_force_left_align(COLUMNS(w), ww);
1544 gtk_widget_show(ww);
1545 shortcut_add(scs, ww,
1546 (ctrl->generic.type == CTRL_FILESELECT ?
1547 ctrl->fileselect.shortcut :
1548 ctrl->fontselect.shortcut),
1549 SHORTCUT_UCTRL, uc);
1550 uc->label = ww;
1551 }
1552
1553 uc->entry = ww = gtk_entry_new();
1554 gtk_widget_size_request(ww, &req);
1555 gtk_widget_set_usize(ww, 10, req.height);
1556 columns_add(COLUMNS(w), ww, 0, 1);
1557 gtk_widget_show(ww);
1558
1559 uc->button = ww = gtk_button_new_with_label(browsebtn);
1560 columns_add(COLUMNS(w), ww, 1, 1);
1561 gtk_widget_show(ww);
1562
1563 gtk_signal_connect(GTK_OBJECT(uc->entry), "key_press_event",
1564 GTK_SIGNAL_FUNC(editbox_key), dp);
1565 gtk_signal_connect(GTK_OBJECT(uc->entry), "changed",
1566 GTK_SIGNAL_FUNC(editbox_changed), dp);
1567 gtk_signal_connect(GTK_OBJECT(uc->entry), "focus_in_event",
1568 GTK_SIGNAL_FUNC(widget_focus), dp);
1569 gtk_signal_connect(GTK_OBJECT(uc->button), "focus_in_event",
1570 GTK_SIGNAL_FUNC(widget_focus), dp);
1571 gtk_signal_connect(GTK_OBJECT(ww), "clicked",
1572 GTK_SIGNAL_FUNC(filefont_clicked), dp);
1573 }
1574 break;
1575 case CTRL_LISTBOX:
1576 if (ctrl->listbox.height == 0) {
1577 uc->optmenu = w = gtk_option_menu_new();
1578 uc->menu = gtk_menu_new();
1579 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), uc->menu);
1580 gtk_object_set_data(GTK_OBJECT(uc->menu), "user-data",
1581 (gpointer)uc->optmenu);
1582 gtk_signal_connect(GTK_OBJECT(uc->optmenu), "focus_in_event",
1583 GTK_SIGNAL_FUNC(widget_focus), dp);
1584 } else {
1585 uc->list = gtk_list_new();
1586 if (ctrl->listbox.multisel == 2) {
1587 gtk_list_set_selection_mode(GTK_LIST(uc->list),
1588 GTK_SELECTION_EXTENDED);
1589 } else if (ctrl->listbox.multisel == 1) {
1590 gtk_list_set_selection_mode(GTK_LIST(uc->list),
1591 GTK_SELECTION_MULTIPLE);
1592 } else {
1593 gtk_list_set_selection_mode(GTK_LIST(uc->list),
1594 GTK_SELECTION_SINGLE);
1595 }
1596 w = gtk_scrolled_window_new(NULL, NULL);
1597 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(w),
1598 uc->list);
1599 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(w),
1600 GTK_POLICY_NEVER,
1601 GTK_POLICY_AUTOMATIC);
1602 uc->adj = gtk_scrolled_window_get_vadjustment
1603 (GTK_SCROLLED_WINDOW(w));
1604
1605 gtk_widget_show(uc->list);
1606 gtk_signal_connect(GTK_OBJECT(uc->list), "selection-changed",
1607 GTK_SIGNAL_FUNC(list_selchange), dp);
1608 gtk_signal_connect(GTK_OBJECT(uc->list), "focus_in_event",
1609 GTK_SIGNAL_FUNC(widget_focus), dp);
1610
1611 /*
1612 * Adjust the height of the scrolled window to the
1613 * minimum given by the height parameter.
1614 *
1615 * This piece of guesswork is a horrid hack based
1616 * on looking inside the GTK 1.2 sources
1617 * (specifically gtkviewport.c, which appears to be
1618 * the widget which provides the border around the
1619 * scrolling area). Anyone lets me know how I can
1620 * do this in a way which isn't at risk from GTK
1621 * upgrades, I'd be grateful.
1622 */
1623 {
1624 int edge = GTK_WIDGET(uc->list)->style->klass->ythickness;
1625 gtk_widget_set_usize(w, 10,
1626 2*edge + (ctrl->listbox.height *
1627 listitemheight));
1628 }
1629
1630 if (ctrl->listbox.draglist) {
1631 /*
1632 * GTK doesn't appear to make it easy to
1633 * implement a proper draggable list; so
1634 * instead I'm just going to have to put an Up
1635 * and a Down button to the right of the actual
1636 * list box. Ah well.
1637 */
1638 GtkWidget *cols, *button;
1639 static const gint percentages[2] = { 80, 20 };
1640
1641 cols = columns_new(4);
1642 columns_set_cols(COLUMNS(cols), 2, percentages);
1643 columns_add(COLUMNS(cols), w, 0, 1);
1644 gtk_widget_show(w);
1645 button = gtk_button_new_with_label("Up");
1646 columns_add(COLUMNS(cols), button, 1, 1);
1647 gtk_widget_show(button);
1648 gtk_signal_connect(GTK_OBJECT(button), "clicked",
1649 GTK_SIGNAL_FUNC(draglist_up), dp);
1650 gtk_signal_connect(GTK_OBJECT(button), "focus_in_event",
1651 GTK_SIGNAL_FUNC(widget_focus), dp);
1652 button = gtk_button_new_with_label("Down");
1653 columns_add(COLUMNS(cols), button, 1, 1);
1654 gtk_widget_show(button);
1655 gtk_signal_connect(GTK_OBJECT(button), "clicked",
1656 GTK_SIGNAL_FUNC(draglist_down), dp);
1657 gtk_signal_connect(GTK_OBJECT(button), "focus_in_event",
1658 GTK_SIGNAL_FUNC(widget_focus), dp);
1659
1660 w = cols;
1661 }
1662
1663 }
1664 if (ctrl->generic.label) {
1665 GtkWidget *label, *container;
1666
1667 label = gtk_label_new(ctrl->generic.label);
1668
1669 container = columns_new(4);
1670 if (ctrl->listbox.percentwidth == 100) {
1671 columns_add(COLUMNS(container), label, 0, 1);
1672 columns_force_left_align(COLUMNS(container), label);
1673 columns_add(COLUMNS(container), w, 0, 1);
1674 } else {
1675 gint percentages[2];
1676 percentages[1] = ctrl->listbox.percentwidth;
1677 percentages[0] = 100 - ctrl->listbox.percentwidth;
1678 columns_set_cols(COLUMNS(container), 2, percentages);
1679 columns_add(COLUMNS(container), label, 0, 1);
1680 columns_force_left_align(COLUMNS(container), label);
1681 columns_add(COLUMNS(container), w, 1, 1);
1682 }
1683 gtk_widget_show(label);
1684 gtk_widget_show(w);
1685 shortcut_add(scs, label, ctrl->listbox.shortcut,
1686 SHORTCUT_UCTRL, uc);
1687 w = container;
1688 uc->label = label;
1689 }
1690 break;
1691 case CTRL_TEXT:
1692 /*
1693 * Wrapping text widgets don't sit well with the GTK
1694 * layout model, in which widgets state a minimum size
1695 * and the whole window then adjusts to the smallest
1696 * size it can sensibly take given its contents. A
1697 * wrapping text widget _has_ no clear minimum size;
1698 * instead it has a range of possibilities. It can be
1699 * one line deep but 2000 wide, or two lines deep and
1700 * 1000 pixels, or three by 867, or four by 500 and so
1701 * on. It can be as short as you like provided you
1702 * don't mind it being wide, or as narrow as you like
1703 * provided you don't mind it being tall.
1704 *
1705 * Therefore, it fits very badly into the layout model.
1706 * Hence the only thing to do is pick a width and let
1707 * it choose its own number of lines. To do this I'm
1708 * going to cheat a little. All new wrapping text
1709 * widgets will be created with a minimal text content
1710 * "X"; then, after the rest of the dialog box is set
1711 * up and its size calculated, the text widgets will be
1712 * told their width and given their real text, which
1713 * will cause the size to be recomputed in the y
1714 * direction (because many of them will expand to more
1715 * than one line).
1716 */
1717 uc->text = w = gtk_label_new("X");
1718 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.0);
1719 gtk_label_set_line_wrap(GTK_LABEL(w), TRUE);
1720 uc->textsig =
1721 gtk_signal_connect(GTK_OBJECT(w), "size-allocate",
1722 GTK_SIGNAL_FUNC(label_sizealloc), dp);
1723 break;
1724 }
1725
1726 assert(w != NULL);
1727
1728 columns_add(cols, w,
1729 COLUMN_START(ctrl->generic.column),
1730 COLUMN_SPAN(ctrl->generic.column));
1731 if (left)
1732 columns_force_left_align(cols, w);
1733 gtk_widget_show(w);
1734
1735 uc->toplevel = w;
1736 dlg_add_uctrl(dp, uc);
1737 }
1738
1739 return ret;
1740 }
1741
1742 struct selparam {
1743 struct dlgparam *dp;
1744 Panels *panels;
1745 GtkWidget *panel, *treeitem;
1746 struct Shortcuts shortcuts;
1747 };
1748
1749 static void treeitem_sel(GtkItem *item, gpointer data)
1750 {
1751 struct selparam *sp = (struct selparam *)data;
1752
1753 panels_switch_to(sp->panels, sp->panel);
1754
1755 dlg_refresh(NULL, sp->dp);
1756
1757 sp->dp->shortcuts = &sp->shortcuts;
1758 sp->dp->currtreeitem = sp->treeitem;
1759 }
1760
1761 static void window_destroy(GtkWidget *widget, gpointer data)
1762 {
1763 gtk_main_quit();
1764 }
1765
1766 static int tree_grab_focus(struct dlgparam *dp)
1767 {
1768 int i, f;
1769
1770 /*
1771 * See if any of the treeitems has the focus.
1772 */
1773 f = -1;
1774 for (i = 0; i < dp->ntreeitems; i++)
1775 if (GTK_WIDGET_HAS_FOCUS(dp->treeitems[i])) {
1776 f = i;
1777 break;
1778 }
1779
1780 if (f >= 0)
1781 return FALSE;
1782 else {
1783 gtk_widget_grab_focus(dp->currtreeitem);
1784 return TRUE;
1785 }
1786 }
1787
1788 gint tree_focus(GtkContainer *container, GtkDirectionType direction,
1789 gpointer data)
1790 {
1791 struct dlgparam *dp = (struct dlgparam *)data;
1792
1793 gtk_signal_emit_stop_by_name(GTK_OBJECT(container), "focus");
1794 /*
1795 * If there's a focused treeitem, we return FALSE to cause the
1796 * focus to move on to some totally other control. If not, we
1797 * focus the selected one.
1798 */
1799 return tree_grab_focus(dp);
1800 }
1801
1802 int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1803 {
1804 struct dlgparam *dp = (struct dlgparam *)data;
1805
1806 if (event->keyval == GDK_Escape && dp->cancelbutton) {
1807 gtk_signal_emit_by_name(GTK_OBJECT(dp->cancelbutton), "clicked");
1808 return TRUE;
1809 }
1810
1811 if ((event->state & GDK_MOD1_MASK) &&
1812 (unsigned char)event->string[0] > 0 &&
1813 (unsigned char)event->string[0] <= 127) {
1814 int schr = (unsigned char)event->string[0];
1815 struct Shortcut *sc = &dp->shortcuts->sc[schr];
1816
1817 switch (sc->action) {
1818 case SHORTCUT_TREE:
1819 tree_grab_focus(dp);
1820 break;
1821 case SHORTCUT_FOCUS:
1822 gtk_widget_grab_focus(sc->widget);
1823 break;
1824 case SHORTCUT_UCTRL:
1825 /*
1826 * We must do something sensible with a uctrl.
1827 * Precisely what this is depends on the type of
1828 * control.
1829 */
1830 switch (sc->uc->ctrl->generic.type) {
1831 case CTRL_CHECKBOX:
1832 case CTRL_BUTTON:
1833 /* Check boxes and buttons get the focus _and_ get toggled. */
1834 gtk_widget_grab_focus(sc->uc->toplevel);
1835 gtk_signal_emit_by_name(GTK_OBJECT(sc->uc->toplevel),
1836 "clicked");
1837 break;
1838 case CTRL_FILESELECT:
1839 case CTRL_FONTSELECT:
1840 /* File/font selectors have their buttons pressed (ooer),
1841 * and focus transferred to the edit box. */
1842 gtk_signal_emit_by_name(GTK_OBJECT(sc->uc->button),
1843 "clicked");
1844 gtk_widget_grab_focus(sc->uc->entry);
1845 break;
1846 case CTRL_RADIO:
1847 /*
1848 * Radio buttons are fun, because they have
1849 * multiple shortcuts. We must find whether the
1850 * activated shortcut is the shortcut for the whole
1851 * group, or for a particular button. In the former
1852 * case, we find the currently selected button and
1853 * focus it; in the latter, we focus-and-click the
1854 * button whose shortcut was pressed.
1855 */
1856 if (schr == sc->uc->ctrl->radio.shortcut) {
1857 int i;
1858 for (i = 0; i < sc->uc->ctrl->radio.nbuttons; i++)
1859 if (gtk_toggle_button_get_active
1860 (GTK_TOGGLE_BUTTON(sc->uc->buttons[i]))) {
1861 gtk_widget_grab_focus(sc->uc->buttons[i]);
1862 }
1863 } else if (sc->uc->ctrl->radio.shortcuts) {
1864 int i;
1865 for (i = 0; i < sc->uc->ctrl->radio.nbuttons; i++)
1866 if (schr == sc->uc->ctrl->radio.shortcuts[i]) {
1867 gtk_widget_grab_focus(sc->uc->buttons[i]);
1868 gtk_signal_emit_by_name
1869 (GTK_OBJECT(sc->uc->buttons[i]), "clicked");
1870 }
1871 }
1872 break;
1873 case CTRL_LISTBOX:
1874 /*
1875 * If the list is really an option menu, we focus
1876 * and click it. Otherwise we tell it to focus one
1877 * of its children, which appears to do the Right
1878 * Thing.
1879 */
1880 if (sc->uc->optmenu) {
1881 GdkEventButton bev;
1882 gint returnval;
1883
1884 gtk_widget_grab_focus(sc->uc->optmenu);
1885 /* Option menus don't work using the "clicked" signal.
1886 * We need to manufacture a button press event :-/ */
1887 bev.type = GDK_BUTTON_PRESS;
1888 bev.button = 1;
1889 gtk_signal_emit_by_name(GTK_OBJECT(sc->uc->optmenu),
1890 "button_press_event",
1891 &bev, &returnval);
1892 } else {
1893 assert(sc->uc->list != NULL);
1894
1895 gtk_container_focus(GTK_CONTAINER(sc->uc->list),
1896 GTK_DIR_TAB_FORWARD);
1897 }
1898 break;
1899 }
1900 break;
1901 }
1902 }
1903
1904 return FALSE;
1905 }
1906
1907 int tree_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1908 {
1909 struct dlgparam *dp = (struct dlgparam *)data;
1910
1911 if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
1912 event->keyval == GDK_Down || event->keyval == GDK_KP_Down) {
1913 int dir, i, j = -1;
1914 for (i = 0; i < dp->ntreeitems; i++)
1915 if (widget == dp->treeitems[i])
1916 break;
1917 if (i < dp->ntreeitems) {
1918 if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
1919 dir = -1;
1920 else
1921 dir = +1;
1922
1923 while (1) {
1924 i += dir;
1925 if (i < 0 || i >= dp->ntreeitems)
1926 break; /* nothing in that dir to select */
1927 /*
1928 * Determine if this tree item is visible.
1929 */
1930 {
1931 GtkWidget *w = dp->treeitems[i];
1932 int vis = TRUE;
1933 while (w && (GTK_IS_TREE_ITEM(w) || GTK_IS_TREE(w))) {
1934 if (!GTK_WIDGET_VISIBLE(w)) {
1935 vis = FALSE;
1936 break;
1937 }
1938 w = w->parent;
1939 }
1940 if (vis) {
1941 j = i; /* got one */
1942 break;
1943 }
1944 }
1945 }
1946 }
1947 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget),
1948 "key_press_event");
1949 if (j >= 0) {
1950 gtk_signal_emit_by_name(GTK_OBJECT(dp->treeitems[j]), "toggle");
1951 gtk_widget_grab_focus(dp->treeitems[j]);
1952 }
1953 return TRUE;
1954 }
1955
1956 /*
1957 * It's nice for Left and Right to expand and collapse tree
1958 * branches.
1959 */
1960 if (event->keyval == GDK_Left || event->keyval == GDK_KP_Left) {
1961 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget),
1962 "key_press_event");
1963 gtk_tree_item_collapse(GTK_TREE_ITEM(widget));
1964 return TRUE;
1965 }
1966 if (event->keyval == GDK_Right || event->keyval == GDK_KP_Right) {
1967 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget),
1968 "key_press_event");
1969 gtk_tree_item_expand(GTK_TREE_ITEM(widget));
1970 return TRUE;
1971 }
1972
1973 return FALSE;
1974 }
1975
1976 static void shortcut_highlight(GtkWidget *labelw, int chr)
1977 {
1978 GtkLabel *label = GTK_LABEL(labelw);
1979 gchar *currstr, *pattern;
1980 int i;
1981
1982 gtk_label_get(label, &currstr);
1983 for (i = 0; currstr[i]; i++)
1984 if (tolower((unsigned char)currstr[i]) == chr) {
1985 GtkRequisition req;
1986
1987 pattern = dupprintf("%*s_", i, "");
1988
1989 gtk_widget_size_request(GTK_WIDGET(label), &req);
1990 gtk_label_set_pattern(label, pattern);
1991 gtk_widget_set_usize(GTK_WIDGET(label), -1, req.height);
1992
1993 sfree(pattern);
1994 break;
1995 }
1996 }
1997
1998 void shortcut_add(struct Shortcuts *scs, GtkWidget *labelw,
1999 int chr, int action, void *ptr)
2000 {
2001 if (chr == NO_SHORTCUT)
2002 return;
2003
2004 chr = tolower((unsigned char)chr);
2005
2006 assert(scs->sc[chr].action == SHORTCUT_EMPTY);
2007
2008 scs->sc[chr].action = action;
2009
2010 if (action == SHORTCUT_FOCUS) {
2011 scs->sc[chr].uc = NULL;
2012 scs->sc[chr].widget = (GtkWidget *)ptr;
2013 } else {
2014 scs->sc[chr].widget = NULL;
2015 scs->sc[chr].uc = (struct uctrl *)ptr;
2016 }
2017
2018 shortcut_highlight(labelw, chr);
2019 }
2020
2021 int get_listitemheight(void)
2022 {
2023 GtkWidget *listitem = gtk_list_item_new_with_label("foo");
2024 GtkRequisition req;
2025 gtk_widget_size_request(listitem, &req);
2026 gtk_widget_unref(listitem);
2027 return req.height;
2028 }
2029
2030 int do_config_box(const char *title, Config *cfg, int midsession,
2031 int protcfginfo)
2032 {
2033 GtkWidget *window, *hbox, *vbox, *cols, *label,
2034 *tree, *treescroll, *panels, *panelvbox;
2035 int index, level, listitemheight;
2036 struct controlbox *ctrlbox;
2037 char *path;
2038 GtkTreeItem *treeitemlevels[8];
2039 GtkTree *treelevels[8];
2040 struct dlgparam dp;
2041 struct Shortcuts scs;
2042
2043 struct selparam *selparams = NULL;
2044 int nselparams = 0, selparamsize = 0;
2045
2046 dlg_init(&dp);
2047
2048 listitemheight = get_listitemheight();
2049
2050 for (index = 0; index < lenof(scs.sc); index++) {
2051 scs.sc[index].action = SHORTCUT_EMPTY;
2052 }
2053
2054 window = gtk_dialog_new();
2055
2056 ctrlbox = ctrl_new_box();
2057 setup_config_box(ctrlbox, midsession, cfg->protocol, protcfginfo);
2058 unix_setup_config_box(ctrlbox, midsession);
2059 gtk_setup_config_box(ctrlbox, midsession, window);
2060
2061 gtk_window_set_title(GTK_WINDOW(window), title);
2062 hbox = gtk_hbox_new(FALSE, 4);
2063 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox), hbox, TRUE, TRUE, 0);
2064 gtk_container_set_border_width(GTK_CONTAINER(hbox), 10);
2065 gtk_widget_show(hbox);
2066 vbox = gtk_vbox_new(FALSE, 4);
2067 gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
2068 gtk_widget_show(vbox);
2069 cols = columns_new(4);
2070 gtk_box_pack_start(GTK_BOX(vbox), cols, FALSE, FALSE, 0);
2071 gtk_widget_show(cols);
2072 label = gtk_label_new("Category:");
2073 columns_add(COLUMNS(cols), label, 0, 1);
2074 columns_force_left_align(COLUMNS(cols), label);
2075 gtk_widget_show(label);
2076 treescroll = gtk_scrolled_window_new(NULL, NULL);
2077 tree = gtk_tree_new();
2078 gtk_signal_connect(GTK_OBJECT(tree), "focus_in_event",
2079 GTK_SIGNAL_FUNC(widget_focus), &dp);
2080 shortcut_add(&scs, label, 'g', SHORTCUT_TREE, tree);
2081 gtk_tree_set_view_mode(GTK_TREE(tree), GTK_TREE_VIEW_ITEM);
2082 gtk_tree_set_selection_mode(GTK_TREE(tree), GTK_SELECTION_BROWSE);
2083 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(treescroll),
2084 tree);
2085 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(treescroll),
2086 GTK_POLICY_NEVER,
2087 GTK_POLICY_AUTOMATIC);
2088 gtk_signal_connect(GTK_OBJECT(tree), "focus",
2089 GTK_SIGNAL_FUNC(tree_focus), &dp);
2090 gtk_widget_show(tree);
2091 gtk_widget_show(treescroll);
2092 gtk_box_pack_start(GTK_BOX(vbox), treescroll, TRUE, TRUE, 0);
2093 panels = panels_new();
2094 gtk_box_pack_start(GTK_BOX(hbox), panels, TRUE, TRUE, 0);
2095 gtk_widget_show(panels);
2096
2097 panelvbox = NULL;
2098 path = NULL;
2099 level = 0;
2100 for (index = 0; index < ctrlbox->nctrlsets; index++) {
2101 struct controlset *s = ctrlbox->ctrlsets[index];
2102 GtkWidget *w;
2103
2104 if (!*s->pathname) {
2105 w = layout_ctrls(&dp, &scs, s, listitemheight, GTK_WINDOW(window));
2106 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->action_area),
2107 w, TRUE, TRUE, 0);
2108 } else {
2109 int j = path ? ctrl_path_compare(s->pathname, path) : 0;
2110 if (j != INT_MAX) { /* add to treeview, start new panel */
2111 char *c;
2112 GtkWidget *treeitem;
2113 int first;
2114
2115 /*
2116 * We expect never to find an implicit path
2117 * component. For example, we expect never to see
2118 * A/B/C followed by A/D/E, because that would
2119 * _implicitly_ create A/D. All our path prefixes
2120 * are expected to contain actual controls and be
2121 * selectable in the treeview; so we would expect
2122 * to see A/D _explicitly_ before encountering
2123 * A/D/E.
2124 */
2125 assert(j == ctrl_path_elements(s->pathname) - 1);
2126
2127 c = strrchr(s->pathname, '/');
2128 if (!c)
2129 c = s->pathname;
2130 else
2131 c++;
2132
2133 treeitem = gtk_tree_item_new_with_label(c);
2134 assert(j-1 < level);
2135 if (j > 0) {
2136 if (!treelevels[j-1]) {
2137 treelevels[j-1] = GTK_TREE(gtk_tree_new());
2138 gtk_tree_item_set_subtree
2139 (treeitemlevels[j-1],
2140 GTK_WIDGET(treelevels[j-1]));
2141 gtk_tree_item_expand(treeitemlevels[j-1]);
2142 }
2143 gtk_tree_append(treelevels[j-1], treeitem);
2144 } else {
2145 gtk_tree_append(GTK_TREE(tree), treeitem);
2146 }
2147 treeitemlevels[j] = GTK_TREE_ITEM(treeitem);
2148 treelevels[j] = NULL;
2149 level = j+1;
2150
2151 gtk_signal_connect(GTK_OBJECT(treeitem), "key_press_event",
2152 GTK_SIGNAL_FUNC(tree_key_press), &dp);
2153 gtk_signal_connect(GTK_OBJECT(treeitem), "focus_in_event",
2154 GTK_SIGNAL_FUNC(widget_focus), &dp);
2155
2156 gtk_widget_show(treeitem);
2157
2158 path = s->pathname;
2159
2160 first = (panelvbox == NULL);
2161
2162 panelvbox = gtk_vbox_new(FALSE, 4);
2163 gtk_container_add(GTK_CONTAINER(panels), panelvbox);
2164 if (first) {
2165 panels_switch_to(PANELS(panels), panelvbox);
2166 gtk_tree_select_child(GTK_TREE(tree), treeitem);
2167 }
2168
2169 if (nselparams >= selparamsize) {
2170 selparamsize += 16;
2171 selparams = sresize(selparams, selparamsize,
2172 struct selparam);
2173 }
2174 selparams[nselparams].dp = &dp;
2175 selparams[nselparams].panels = PANELS(panels);
2176 selparams[nselparams].panel = panelvbox;
2177 selparams[nselparams].shortcuts = scs; /* structure copy */
2178 selparams[nselparams].treeitem = treeitem;
2179 nselparams++;
2180
2181 }
2182
2183 w = layout_ctrls(&dp,
2184 &selparams[nselparams-1].shortcuts,
2185 s, listitemheight, NULL);
2186 gtk_box_pack_start(GTK_BOX(panelvbox), w, FALSE, FALSE, 0);
2187 gtk_widget_show(w);
2188 }
2189 }
2190
2191 dp.ntreeitems = nselparams;
2192 dp.treeitems = snewn(dp.ntreeitems, GtkWidget *);
2193
2194 for (index = 0; index < nselparams; index++) {
2195 gtk_signal_connect(GTK_OBJECT(selparams[index].treeitem), "select",
2196 GTK_SIGNAL_FUNC(treeitem_sel),
2197 &selparams[index]);
2198 dp.treeitems[index] = selparams[index].treeitem;
2199 }
2200
2201 dp.data = cfg;
2202 dlg_refresh(NULL, &dp);
2203
2204 dp.shortcuts = &selparams[0].shortcuts;
2205 dp.currtreeitem = dp.treeitems[0];
2206 dp.lastfocus = NULL;
2207 dp.retval = 0;
2208 dp.window = window;
2209
2210 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
2211 gtk_widget_show(window);
2212
2213 /*
2214 * Set focus into the first available control.
2215 */
2216 for (index = 0; index < ctrlbox->nctrlsets; index++) {
2217 struct controlset *s = ctrlbox->ctrlsets[index];
2218 int done = 0;
2219 int j;
2220
2221 if (*s->pathname) {
2222 for (j = 0; j < s->ncontrols; j++)
2223 if (s->ctrls[j]->generic.type != CTRL_TABDELAY &&
2224 s->ctrls[j]->generic.type != CTRL_COLUMNS &&
2225 s->ctrls[j]->generic.type != CTRL_TEXT) {
2226 dlg_set_focus(s->ctrls[j], &dp);
2227 dp.lastfocus = s->ctrls[j];
2228 done = 1;
2229 break;
2230 }
2231 }
2232 if (done)
2233 break;
2234 }
2235
2236 gtk_signal_connect(GTK_OBJECT(window), "destroy",
2237 GTK_SIGNAL_FUNC(window_destroy), NULL);
2238 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
2239 GTK_SIGNAL_FUNC(win_key_press), &dp);
2240
2241 gtk_main();
2242
2243 dlg_cleanup(&dp);
2244 sfree(selparams);
2245
2246 return dp.retval;
2247 }
2248
2249 static void messagebox_handler(union control *ctrl, void *dlg,
2250 void *data, int event)
2251 {
2252 if (event == EVENT_ACTION)
2253 dlg_end(dlg, ctrl->generic.context.i);
2254 }
2255 int messagebox(GtkWidget *parentwin, char *title, char *msg, int minwid, ...)
2256 {
2257 GtkWidget *window, *w0, *w1;
2258 struct controlbox *ctrlbox;
2259 struct controlset *s0, *s1;
2260 union control *c;
2261 struct dlgparam dp;
2262 struct Shortcuts scs;
2263 int index, ncols;
2264 va_list ap;
2265
2266 dlg_init(&dp);
2267
2268 for (index = 0; index < lenof(scs.sc); index++) {
2269 scs.sc[index].action = SHORTCUT_EMPTY;
2270 }
2271
2272 ctrlbox = ctrl_new_box();
2273
2274 ncols = 0;
2275 va_start(ap, minwid);
2276 while (va_arg(ap, char *) != NULL) {
2277 ncols++;
2278 (void) va_arg(ap, int); /* shortcut */
2279 (void) va_arg(ap, int); /* normal/default/cancel */
2280 (void) va_arg(ap, int); /* end value */
2281 }
2282 va_end(ap);
2283
2284 s0 = ctrl_getset(ctrlbox, "", "", "");
2285 c = ctrl_columns(s0, 2, 50, 50);
2286 c->columns.ncols = s0->ncolumns = ncols;
2287 c->columns.percentages = sresize(c->columns.percentages, ncols, int);
2288 for (index = 0; index < ncols; index++)
2289 c->columns.percentages[index] = (index+1)*100/ncols - index*100/ncols;
2290 va_start(ap, minwid);
2291 index = 0;
2292 while (1) {
2293 char *title = va_arg(ap, char *);
2294 int shortcut, type, value;
2295 if (title == NULL)
2296 break;
2297 shortcut = va_arg(ap, int);
2298 type = va_arg(ap, int);
2299 value = va_arg(ap, int);
2300 c = ctrl_pushbutton(s0, title, shortcut, HELPCTX(no_help),
2301 messagebox_handler, I(value));
2302 c->generic.column = index++;
2303 if (type > 0)
2304 c->button.isdefault = TRUE;
2305 else if (type < 0)
2306 c->button.iscancel = TRUE;
2307 }
2308 va_end(ap);
2309
2310 s1 = ctrl_getset(ctrlbox, "x", "", "");
2311 ctrl_text(s1, msg, HELPCTX(no_help));
2312
2313 window = gtk_dialog_new();
2314 gtk_window_set_title(GTK_WINDOW(window), title);
2315 w0 = layout_ctrls(&dp, &scs, s0, 0, GTK_WINDOW(window));
2316 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->action_area),
2317 w0, TRUE, TRUE, 0);
2318 gtk_widget_show(w0);
2319 w1 = layout_ctrls(&dp, &scs, s1, 0, GTK_WINDOW(window));
2320 gtk_container_set_border_width(GTK_CONTAINER(w1), 10);
2321 gtk_widget_set_usize(w1, minwid+20, -1);
2322 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
2323 w1, TRUE, TRUE, 0);
2324 gtk_widget_show(w1);
2325
2326 dp.shortcuts = &scs;
2327 dp.lastfocus = NULL;
2328 dp.retval = 0;
2329 dp.window = window;
2330
2331 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
2332 if (parentwin) {
2333 set_transient_window_pos(parentwin, window);
2334 gtk_window_set_transient_for(GTK_WINDOW(window),
2335 GTK_WINDOW(parentwin));
2336 } else
2337 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
2338 gtk_widget_show(window);
2339
2340 gtk_signal_connect(GTK_OBJECT(window), "destroy",
2341 GTK_SIGNAL_FUNC(window_destroy), NULL);
2342 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
2343 GTK_SIGNAL_FUNC(win_key_press), &dp);
2344
2345 gtk_main();
2346
2347 dlg_cleanup(&dp);
2348 ctrl_free_box(ctrlbox);
2349
2350 return dp.retval;
2351 }
2352
2353 static int string_width(char *text)
2354 {
2355 GtkWidget *label = gtk_label_new(text);
2356 GtkRequisition req;
2357 gtk_widget_size_request(label, &req);
2358 gtk_widget_unref(label);
2359 return req.width;
2360 }
2361
2362 int reallyclose(void *frontend)
2363 {
2364 char *title = dupcat(appname, " Exit Confirmation", NULL);
2365 int ret = messagebox(GTK_WIDGET(get_window(frontend)),
2366 title, "Are you sure you want to close this session?",
2367 string_width("Most of the width of the above text"),
2368 "Yes", 'y', +1, 1,
2369 "No", 'n', -1, 0,
2370 NULL);
2371 sfree(title);
2372 return ret;
2373 }
2374
2375 int verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
2376 char *keystr, char *fingerprint,
2377 void (*callback)(void *ctx, int result), void *ctx)
2378 {
2379 static const char absenttxt[] =
2380 "The server's host key is not cached. You have no guarantee "
2381 "that the server is the computer you think it is.\n"
2382 "The server's %s key fingerprint is:\n"
2383 "%s\n"
2384 "If you trust this host, press \"Accept\" to add the key to "
2385 "PuTTY's cache and carry on connecting.\n"
2386 "If you want to carry on connecting just once, without "
2387 "adding the key to the cache, press \"Connect Once\".\n"
2388 "If you do not trust this host, press \"Cancel\" to abandon the "
2389 "connection.";
2390 static const char wrongtxt[] =
2391 "WARNING - POTENTIAL SECURITY BREACH!\n"
2392 "The server's host key does not match the one PuTTY has "
2393 "cached. This means that either the server administrator "
2394 "has changed the host key, or you have actually connected "
2395 "to another computer pretending to be the server.\n"
2396 "The new %s key fingerprint is:\n"
2397 "%s\n"
2398 "If you were expecting this change and trust the new key, "
2399 "press \"Accept\" to update PuTTY's cache and continue connecting.\n"
2400 "If you want to carry on connecting but without updating "
2401 "the cache, press \"Connect Once\".\n"
2402 "If you want to abandon the connection completely, press "
2403 "\"Cancel\" to cancel. Pressing \"Cancel\" is the ONLY guaranteed "
2404 "safe choice.";
2405 char *text;
2406 int ret;
2407
2408 /*
2409 * Verify the key.
2410 */
2411 ret = verify_host_key(host, port, keytype, keystr);
2412
2413 if (ret == 0) /* success - key matched OK */
2414 return 1;
2415
2416 text = dupprintf((ret == 2 ? wrongtxt : absenttxt), keytype, fingerprint);
2417
2418 ret = messagebox(GTK_WIDGET(get_window(frontend)),
2419 "PuTTY Security Alert", text,
2420 string_width(fingerprint),
2421 "Accept", 'a', 0, 2,
2422 "Connect Once", 'o', 0, 1,
2423 "Cancel", 'c', -1, 0,
2424 NULL);
2425
2426 sfree(text);
2427
2428 if (ret == 2) {
2429 store_host_key(host, port, keytype, keystr);
2430 return 1; /* continue with connection */
2431 } else if (ret == 1)
2432 return 1; /* continue with connection */
2433 return 0; /* do not continue with connection */
2434 }
2435
2436 /*
2437 * Ask whether the selected algorithm is acceptable (since it was
2438 * below the configured 'warn' threshold).
2439 */
2440 int askalg(void *frontend, const char *algtype, const char *algname,
2441 void (*callback)(void *ctx, int result), void *ctx)
2442 {
2443 static const char msg[] =
2444 "The first %s supported by the server is "
2445 "%s, which is below the configured warning threshold.\n"
2446 "Continue with connection?";
2447 char *text;
2448 int ret;
2449
2450 text = dupprintf(msg, algtype, algname);
2451 ret = messagebox(GTK_WIDGET(get_window(frontend)),
2452 "PuTTY Security Alert", text,
2453 string_width("Continue with connection?"),
2454 "Yes", 'y', 0, 1,
2455 "No", 'n', 0, 0,
2456 NULL);
2457 sfree(text);
2458
2459 if (ret) {
2460 return 1;
2461 } else {
2462 return 0;
2463 }
2464 }
2465
2466 void old_keyfile_warning(void)
2467 {
2468 /*
2469 * This should never happen on Unix. We hope.
2470 */
2471 }
2472
2473 void fatal_message_box(void *window, char *msg)
2474 {
2475 messagebox(window, "PuTTY Fatal Error", msg,
2476 string_width("REASONABLY LONG LINE OF TEXT FOR BASIC SANITY"),
2477 "OK", 'o', 1, 1, NULL);
2478 }
2479
2480 void fatalbox(char *p, ...)
2481 {
2482 va_list ap;
2483 char *msg;
2484 va_start(ap, p);
2485 msg = dupvprintf(p, ap);
2486 va_end(ap);
2487 fatal_message_box(NULL, msg);
2488 sfree(msg);
2489 cleanup_exit(1);
2490 }
2491
2492 static GtkWidget *aboutbox = NULL;
2493
2494 static void about_close_clicked(GtkButton *button, gpointer data)
2495 {
2496 gtk_widget_destroy(aboutbox);
2497 aboutbox = NULL;
2498 }
2499
2500 static void licence_clicked(GtkButton *button, gpointer data)
2501 {
2502 char *title;
2503
2504 char *licence =
2505 "Copyright 1997-2006 Simon Tatham.\n\n"
2506
2507 "Portions copyright Robert de Bath, Joris van Rantwijk, Delian "
2508 "Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas "
2509 "Barry, Justin Bradford, Ben Harris, Malcolm Smith, Ahmad Khalifa, "
2510 "Markus Kuhn, and CORE SDI S.A.\n\n"
2511
2512 "Permission is hereby granted, free of charge, to any person "
2513 "obtaining a copy of this software and associated documentation "
2514 "files (the ""Software""), to deal in the Software without restriction, "
2515 "including without limitation the rights to use, copy, modify, merge, "
2516 "publish, distribute, sublicense, and/or sell copies of the Software, "
2517 "and to permit persons to whom the Software is furnished to do so, "
2518 "subject to the following conditions:\n\n"
2519
2520 "The above copyright notice and this permission notice shall be "
2521 "included in all copies or substantial portions of the Software.\n\n"
2522
2523 "THE SOFTWARE IS PROVIDED ""AS IS"", WITHOUT "
2524 "WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, "
2525 "INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF "
2526 "MERCHANTABILITY, FITNESS FOR A PARTICULAR "
2527 "PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE "
2528 "COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES "
2529 "OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, "
2530 "TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN "
2531 "CONNECTION WITH THE SOFTWARE OR THE USE OR "
2532 "OTHER DEALINGS IN THE SOFTWARE.";
2533
2534 title = dupcat(appname, " Licence", NULL);
2535 assert(aboutbox != NULL);
2536 messagebox(aboutbox, title, licence,
2537 string_width("LONGISH LINE OF TEXT SO THE LICENCE"
2538 " BOX ISN'T EXCESSIVELY TALL AND THIN"),
2539 "OK", 'o', 1, 1, NULL);
2540 sfree(title);
2541 }
2542
2543 void about_box(void *window)
2544 {
2545 GtkWidget *w;
2546 char *title;
2547
2548 if (aboutbox) {
2549 gtk_widget_grab_focus(aboutbox);
2550 return;
2551 }
2552
2553 aboutbox = gtk_dialog_new();
2554 gtk_container_set_border_width(GTK_CONTAINER(aboutbox), 10);
2555 title = dupcat("About ", appname, NULL);
2556 gtk_window_set_title(GTK_WINDOW(aboutbox), title);
2557 sfree(title);
2558
2559 w = gtk_button_new_with_label("Close");
2560 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
2561 gtk_window_set_default(GTK_WINDOW(aboutbox), w);
2562 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(aboutbox)->action_area),
2563 w, FALSE, FALSE, 0);
2564 gtk_signal_connect(GTK_OBJECT(w), "clicked",
2565 GTK_SIGNAL_FUNC(about_close_clicked), NULL);
2566 gtk_widget_show(w);
2567
2568 w = gtk_button_new_with_label("View Licence");
2569 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
2570 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(aboutbox)->action_area),
2571 w, FALSE, FALSE, 0);
2572 gtk_signal_connect(GTK_OBJECT(w), "clicked",
2573 GTK_SIGNAL_FUNC(licence_clicked), NULL);
2574 gtk_widget_show(w);
2575
2576 w = gtk_label_new(appname);
2577 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(aboutbox)->vbox),
2578 w, FALSE, FALSE, 0);
2579 gtk_widget_show(w);
2580
2581 w = gtk_label_new(ver);
2582 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(aboutbox)->vbox),
2583 w, FALSE, FALSE, 5);
2584 gtk_widget_show(w);
2585
2586 w = gtk_label_new("Copyright 1997-2006 Simon Tatham. All rights reserved");
2587 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(aboutbox)->vbox),
2588 w, FALSE, FALSE, 5);
2589 gtk_widget_show(w);
2590
2591 set_transient_window_pos(GTK_WIDGET(window), aboutbox);
2592 gtk_widget_show(aboutbox);
2593 }
2594
2595 struct eventlog_stuff {
2596 GtkWidget *parentwin, *window;
2597 struct controlbox *eventbox;
2598 struct Shortcuts scs;
2599 struct dlgparam dp;
2600 union control *listctrl;
2601 char **events;
2602 int nevents, negsize;
2603 char *seldata;
2604 int sellen;
2605 int ignore_selchange;
2606 };
2607
2608 static void eventlog_destroy(GtkWidget *widget, gpointer data)
2609 {
2610 struct eventlog_stuff *es = (struct eventlog_stuff *)data;
2611
2612 es->window = NULL;
2613 sfree(es->seldata);
2614 dlg_cleanup(&es->dp);
2615 ctrl_free_box(es->eventbox);
2616 }
2617 static void eventlog_ok_handler(union control *ctrl, void *dlg,
2618 void *data, int event)
2619 {
2620 if (event == EVENT_ACTION)
2621 dlg_end(dlg, 0);
2622 }
2623 static void eventlog_list_handler(union control *ctrl, void *dlg,
2624 void *data, int event)
2625 {
2626 struct eventlog_stuff *es = (struct eventlog_stuff *)data;
2627
2628 if (event == EVENT_REFRESH) {
2629 int i;
2630
2631 dlg_update_start(ctrl, dlg);
2632 dlg_listbox_clear(ctrl, dlg);
2633 for (i = 0; i < es->nevents; i++) {
2634 dlg_listbox_add(ctrl, dlg, es->events[i]);
2635 }
2636 dlg_update_done(ctrl, dlg);
2637 } else if (event == EVENT_SELCHANGE) {
2638 int i;
2639 int selsize = 0;
2640
2641 /*
2642 * If this SELCHANGE event is happening as a result of
2643 * deliberate deselection because someone else has grabbed
2644 * the selection, the last thing we want to do is pre-empt
2645 * them.
2646 */
2647 if (es->ignore_selchange)
2648 return;
2649
2650 /*
2651 * Construct the data to use as the selection.
2652 */
2653 sfree(es->seldata);
2654 es->seldata = NULL;
2655 es->sellen = 0;
2656 for (i = 0; i < es->nevents; i++) {
2657 if (dlg_listbox_issel(ctrl, dlg, i)) {
2658 int extralen = strlen(es->events[i]);
2659
2660 if (es->sellen + extralen + 2 > selsize) {
2661 selsize = es->sellen + extralen + 512;
2662 es->seldata = sresize(es->seldata, selsize, char);
2663 }
2664
2665 strcpy(es->seldata + es->sellen, es->events[i]);
2666 es->sellen += extralen;
2667 es->seldata[es->sellen++] = '\n';
2668 }
2669 }
2670
2671 if (gtk_selection_owner_set(es->window, GDK_SELECTION_PRIMARY,
2672 GDK_CURRENT_TIME)) {
2673 extern GdkAtom compound_text_atom;
2674
2675 gtk_selection_add_target(es->window, GDK_SELECTION_PRIMARY,
2676 GDK_SELECTION_TYPE_STRING, 1);
2677 gtk_selection_add_target(es->window, GDK_SELECTION_PRIMARY,
2678 compound_text_atom, 1);
2679 }
2680
2681 }
2682 }
2683
2684 void eventlog_selection_get(GtkWidget *widget, GtkSelectionData *seldata,
2685 guint info, guint time_stamp, gpointer data)
2686 {
2687 struct eventlog_stuff *es = (struct eventlog_stuff *)data;
2688
2689 gtk_selection_data_set(seldata, seldata->target, 8,
2690 es->seldata, es->sellen);
2691 }
2692
2693 gint eventlog_selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
2694 gpointer data)
2695 {
2696 struct eventlog_stuff *es = (struct eventlog_stuff *)data;
2697 struct uctrl *uc;
2698
2699 /*
2700 * Deselect everything in the list box.
2701 */
2702 uc = dlg_find_byctrl(&es->dp, es->listctrl);
2703 es->ignore_selchange = 1;
2704 gtk_list_unselect_all(GTK_LIST(uc->list));
2705 es->ignore_selchange = 0;
2706
2707 sfree(es->seldata);
2708 es->sellen = 0;
2709 es->seldata = NULL;
2710 return TRUE;
2711 }
2712
2713 void showeventlog(void *estuff, void *parentwin)
2714 {
2715 struct eventlog_stuff *es = (struct eventlog_stuff *)estuff;
2716 GtkWidget *window, *w0, *w1;
2717 GtkWidget *parent = GTK_WIDGET(parentwin);
2718 struct controlset *s0, *s1;
2719 union control *c;
2720 int listitemheight, index;
2721 char *title;
2722
2723 if (es->window) {
2724 gtk_widget_grab_focus(es->window);
2725 return;
2726 }
2727
2728 dlg_init(&es->dp);
2729
2730 for (index = 0; index < lenof(es->scs.sc); index++) {
2731 es->scs.sc[index].action = SHORTCUT_EMPTY;
2732 }
2733
2734 es->eventbox = ctrl_new_box();
2735
2736 s0 = ctrl_getset(es->eventbox, "", "", "");
2737 ctrl_columns(s0, 3, 33, 34, 33);
2738 c = ctrl_pushbutton(s0, "Close", 'c', HELPCTX(no_help),
2739 eventlog_ok_handler, P(NULL));
2740 c->button.column = 1;
2741 c->button.isdefault = TRUE;
2742
2743 s1 = ctrl_getset(es->eventbox, "x", "", "");
2744 es->listctrl = c = ctrl_listbox(s1, NULL, NO_SHORTCUT, HELPCTX(no_help),
2745 eventlog_list_handler, P(es));
2746 c->listbox.height = 10;
2747 c->listbox.multisel = 2;
2748 c->listbox.ncols = 3;
2749 c->listbox.percentages = snewn(3, int);
2750 c->listbox.percentages[0] = 25;
2751 c->listbox.percentages[1] = 10;
2752 c->listbox.percentages[2] = 65;
2753
2754 listitemheight = get_listitemheight();
2755
2756 es->window = window = gtk_dialog_new();
2757 title = dupcat(appname, " Event Log", NULL);
2758 gtk_window_set_title(GTK_WINDOW(window), title);
2759 sfree(title);
2760 w0 = layout_ctrls(&es->dp, &es->scs, s0,
2761 listitemheight, GTK_WINDOW(window));
2762 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->action_area),
2763 w0, TRUE, TRUE, 0);
2764 gtk_widget_show(w0);
2765 w1 = layout_ctrls(&es->dp, &es->scs, s1,
2766 listitemheight, GTK_WINDOW(window));
2767 gtk_container_set_border_width(GTK_CONTAINER(w1), 10);
2768 gtk_widget_set_usize(w1, 20 +
2769 string_width("LINE OF TEXT GIVING WIDTH OF EVENT LOG"
2770 " IS QUITE LONG 'COS SSH LOG ENTRIES"
2771 " ARE WIDE"), -1);
2772 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
2773 w1, TRUE, TRUE, 0);
2774 gtk_widget_show(w1);
2775
2776 es->dp.data = es;
2777 es->dp.shortcuts = &es->scs;
2778 es->dp.lastfocus = NULL;
2779 es->dp.retval = 0;
2780 es->dp.window = window;
2781
2782 dlg_refresh(NULL, &es->dp);
2783
2784 if (parent) {
2785 set_transient_window_pos(parent, window);
2786 gtk_window_set_transient_for(GTK_WINDOW(window),
2787 GTK_WINDOW(parent));
2788 } else
2789 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
2790 gtk_widget_show(window);
2791
2792 gtk_signal_connect(GTK_OBJECT(window), "destroy",
2793 GTK_SIGNAL_FUNC(eventlog_destroy), es);
2794 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
2795 GTK_SIGNAL_FUNC(win_key_press), &es->dp);
2796 gtk_signal_connect(GTK_OBJECT(window), "selection_get",
2797 GTK_SIGNAL_FUNC(eventlog_selection_get), es);
2798 gtk_signal_connect(GTK_OBJECT(window), "selection_clear_event",
2799 GTK_SIGNAL_FUNC(eventlog_selection_clear), es);
2800 }
2801
2802 void *eventlogstuff_new(void)
2803 {
2804 struct eventlog_stuff *es;
2805 es = snew(struct eventlog_stuff);
2806 memset(es, 0, sizeof(*es));
2807 return es;
2808 }
2809
2810 void logevent_dlg(void *estuff, const char *string)
2811 {
2812 struct eventlog_stuff *es = (struct eventlog_stuff *)estuff;
2813
2814 char timebuf[40];
2815 struct tm tm;
2816
2817 if (es->nevents >= es->negsize) {
2818 es->negsize += 64;
2819 es->events = sresize(es->events, es->negsize, char *);
2820 }
2821
2822 tm=ltime();
2823 strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S\t", &tm);
2824
2825 es->events[es->nevents] = snewn(strlen(timebuf) + strlen(string) + 1, char);
2826 strcpy(es->events[es->nevents], timebuf);
2827 strcat(es->events[es->nevents], string);
2828 if (es->window) {
2829 dlg_listbox_add(es->listctrl, &es->dp, es->events[es->nevents]);
2830 }
2831 es->nevents++;
2832 }
2833
2834 int askappend(void *frontend, Filename filename,
2835 void (*callback)(void *ctx, int result), void *ctx)
2836 {
2837 static const char msgtemplate[] =
2838 "The session log file \"%.*s\" already exists. "
2839 "You can overwrite it with a new session log, "
2840 "append your session log to the end of it, "
2841 "or disable session logging for this session.";
2842 char *message;
2843 char *mbtitle;
2844 int mbret;
2845
2846 message = dupprintf(msgtemplate, FILENAME_MAX, filename.path);
2847 mbtitle = dupprintf("%s Log to File", appname);
2848
2849 mbret = messagebox(get_window(frontend), mbtitle, message,
2850 string_width("LINE OF TEXT SUITABLE FOR THE"
2851 " ASKAPPEND WIDTH"),
2852 "Overwrite", 'o', 1, 2,
2853 "Append", 'a', 0, 1,
2854 "Disable", 'd', -1, 0,
2855 NULL);
2856
2857 sfree(message);
2858 sfree(mbtitle);
2859
2860 return mbret;
2861 }
Local modifications for Simon Tatham's `PuTTY' SSH client and terminal emulator