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[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
26 #ifdef TESTMODE
27 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
28 #endif
29
30 #include "putty.h"
31 #include "storage.h"
32 #include "dialog.h"
33 #include "tree234.h"
34
35 struct Shortcut {
36 GtkWidget *widget;
37 struct uctrl *uc;
38 int action;
39 };
40
41 struct Shortcuts {
42 struct Shortcut sc[128];
43 };
44
45 struct uctrl {
46 union control *ctrl;
47 GtkWidget *toplevel;
48 void *privdata;
49 int privdata_needs_free;
50 GtkWidget **buttons; int nbuttons; /* for radio buttons */
51 GtkWidget *entry; /* for editbox, combobox, filesel, fontsel */
52 GtkWidget *button; /* for filesel, fontsel */
53 GtkWidget *list; /* for combobox, listbox */
54 GtkWidget *menu; /* for optionmenu (==droplist) */
55 GtkWidget *optmenu; /* also for optionmenu */
56 GtkWidget *text; /* for text */
57 GtkWidget *label; /* for dlg_label_change */
58 GtkAdjustment *adj; /* for the scrollbar in a list box */
59 guint textsig;
60 int nclicks;
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_press(GtkWidget *item, GdkEventButton *event,
100 gpointer data);
101 static int listitem_button_release(GtkWidget *item, GdkEventButton *event,
102 gpointer data);
103 static void menuitem_activate(GtkMenuItem *item, gpointer data);
104 static void coloursel_ok(GtkButton *button, gpointer data);
105 static void coloursel_cancel(GtkButton *button, gpointer data);
106 static void window_destroy(GtkWidget *widget, gpointer data);
107
108 static int uctrl_cmp_byctrl(void *av, void *bv)
109 {
110 struct uctrl *a = (struct uctrl *)av;
111 struct uctrl *b = (struct uctrl *)bv;
112 if (a->ctrl < b->ctrl)
113 return -1;
114 else if (a->ctrl > b->ctrl)
115 return +1;
116 return 0;
117 }
118
119 static int uctrl_cmp_byctrl_find(void *av, void *bv)
120 {
121 union control *a = (union control *)av;
122 struct uctrl *b = (struct uctrl *)bv;
123 if (a < b->ctrl)
124 return -1;
125 else if (a > b->ctrl)
126 return +1;
127 return 0;
128 }
129
130 static int uctrl_cmp_bywidget(void *av, void *bv)
131 {
132 struct uctrl *a = (struct uctrl *)av;
133 struct uctrl *b = (struct uctrl *)bv;
134 if (a->toplevel < b->toplevel)
135 return -1;
136 else if (a->toplevel > b->toplevel)
137 return +1;
138 return 0;
139 }
140
141 static int uctrl_cmp_bywidget_find(void *av, void *bv)
142 {
143 GtkWidget *a = (GtkWidget *)av;
144 struct uctrl *b = (struct uctrl *)bv;
145 if (a < b->toplevel)
146 return -1;
147 else if (a > b->toplevel)
148 return +1;
149 return 0;
150 }
151
152 static void dlg_init(struct dlgparam *dp)
153 {
154 dp->byctrl = newtree234(uctrl_cmp_byctrl);
155 dp->bywidget = newtree234(uctrl_cmp_bywidget);
156 dp->coloursel_result.ok = FALSE;
157 dp->treeitems = NULL;
158 dp->window = dp->cancelbutton = dp->currtreeitem = NULL;
159 dp->flags = 0;
160 dp->currfocus = NULL;
161 }
162
163 static void dlg_cleanup(struct dlgparam *dp)
164 {
165 struct uctrl *uc;
166
167 freetree234(dp->byctrl); /* doesn't free the uctrls inside */
168 dp->byctrl = NULL;
169 while ( (uc = index234(dp->bywidget, 0)) != NULL) {
170 del234(dp->bywidget, uc);
171 if (uc->privdata_needs_free)
172 sfree(uc->privdata);
173 sfree(uc->buttons);
174 sfree(uc);
175 }
176 freetree234(dp->bywidget);
177 dp->bywidget = NULL;
178 sfree(dp->treeitems);
179 }
180
181 static void dlg_add_uctrl(struct dlgparam *dp, struct uctrl *uc)
182 {
183 add234(dp->byctrl, uc);
184 add234(dp->bywidget, uc);
185 }
186
187 static struct uctrl *dlg_find_byctrl(struct dlgparam *dp, union control *ctrl)
188 {
189 if (!dp->byctrl)
190 return NULL;
191 return find234(dp->byctrl, ctrl, uctrl_cmp_byctrl_find);
192 }
193
194 static struct uctrl *dlg_find_bywidget(struct dlgparam *dp, GtkWidget *w)
195 {
196 struct uctrl *ret = NULL;
197 if (!dp->bywidget)
198 return NULL;
199 do {
200 ret = find234(dp->bywidget, w, uctrl_cmp_bywidget_find);
201 if (ret)
202 return ret;
203 w = w->parent;
204 } while (w);
205 return ret;
206 }
207
208 void *dlg_get_privdata(union control *ctrl, void *dlg)
209 {
210 struct dlgparam *dp = (struct dlgparam *)dlg;
211 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
212 return uc->privdata;
213 }
214
215 void dlg_set_privdata(union control *ctrl, void *dlg, void *ptr)
216 {
217 struct dlgparam *dp = (struct dlgparam *)dlg;
218 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
219 uc->privdata = ptr;
220 uc->privdata_needs_free = FALSE;
221 }
222
223 void *dlg_alloc_privdata(union control *ctrl, void *dlg, size_t size)
224 {
225 struct dlgparam *dp = (struct dlgparam *)dlg;
226 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
227 /*
228 * This is an internal allocation routine, so it's allowed to
229 * use smalloc directly.
230 */
231 uc->privdata = smalloc(size);
232 uc->privdata_needs_free = FALSE;
233 return uc->privdata;
234 }
235
236 union control *dlg_last_focused(union control *ctrl, void *dlg)
237 {
238 struct dlgparam *dp = (struct dlgparam *)dlg;
239 if (dp->currfocus != ctrl)
240 return dp->currfocus;
241 else
242 return dp->lastfocus;
243 }
244
245 void dlg_radiobutton_set(union control *ctrl, void *dlg, int which)
246 {
247 struct dlgparam *dp = (struct dlgparam *)dlg;
248 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
249 assert(uc->ctrl->generic.type == CTRL_RADIO);
250 assert(uc->buttons != NULL);
251 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(uc->buttons[which]), TRUE);
252 }
253
254 int dlg_radiobutton_get(union control *ctrl, void *dlg)
255 {
256 struct dlgparam *dp = (struct dlgparam *)dlg;
257 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
258 int i;
259
260 assert(uc->ctrl->generic.type == CTRL_RADIO);
261 assert(uc->buttons != NULL);
262 for (i = 0; i < uc->nbuttons; i++)
263 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(uc->buttons[i])))
264 return i;
265 return 0; /* got to return something */
266 }
267
268 void dlg_checkbox_set(union control *ctrl, void *dlg, int checked)
269 {
270 struct dlgparam *dp = (struct dlgparam *)dlg;
271 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
272 assert(uc->ctrl->generic.type == CTRL_CHECKBOX);
273 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(uc->toplevel), checked);
274 }
275
276 int dlg_checkbox_get(union control *ctrl, void *dlg)
277 {
278 struct dlgparam *dp = (struct dlgparam *)dlg;
279 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
280 assert(uc->ctrl->generic.type == CTRL_CHECKBOX);
281 return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(uc->toplevel));
282 }
283
284 void dlg_editbox_set(union control *ctrl, void *dlg, char const *text)
285 {
286 struct dlgparam *dp = (struct dlgparam *)dlg;
287 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
288 assert(uc->ctrl->generic.type == CTRL_EDITBOX);
289 assert(uc->entry != NULL);
290 gtk_entry_set_text(GTK_ENTRY(uc->entry), text);
291 }
292
293 void dlg_editbox_get(union control *ctrl, void *dlg, char *buffer, int length)
294 {
295 struct dlgparam *dp = (struct dlgparam *)dlg;
296 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
297 assert(uc->ctrl->generic.type == CTRL_EDITBOX);
298 assert(uc->entry != NULL);
299 strncpy(buffer, gtk_entry_get_text(GTK_ENTRY(uc->entry)),
300 length);
301 buffer[length-1] = '\0';
302 }
303
304 static void container_remove_and_destroy(GtkWidget *w, gpointer data)
305 {
306 GtkContainer *cont = GTK_CONTAINER(data);
307 /* gtk_container_remove will unref the widget for us; we need not. */
308 gtk_container_remove(cont, w);
309 }
310
311 /* The `listbox' functions can also apply to combo boxes. */
312 void dlg_listbox_clear(union control *ctrl, void *dlg)
313 {
314 struct dlgparam *dp = (struct dlgparam *)dlg;
315 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
316
317 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
318 uc->ctrl->generic.type == CTRL_LISTBOX);
319 assert(uc->menu != NULL || uc->list != NULL);
320
321 if (uc->menu) {
322 gtk_container_foreach(GTK_CONTAINER(uc->menu),
323 container_remove_and_destroy,
324 GTK_CONTAINER(uc->menu));
325 } else {
326 gtk_list_clear_items(GTK_LIST(uc->list), 0, -1);
327 }
328 }
329
330 void dlg_listbox_del(union control *ctrl, void *dlg, int index)
331 {
332 struct dlgparam *dp = (struct dlgparam *)dlg;
333 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
334
335 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
336 uc->ctrl->generic.type == CTRL_LISTBOX);
337 assert(uc->menu != NULL || uc->list != NULL);
338
339 if (uc->menu) {
340 gtk_container_remove
341 (GTK_CONTAINER(uc->menu),
342 g_list_nth_data(GTK_MENU_SHELL(uc->menu)->children, index));
343 } else {
344 gtk_list_clear_items(GTK_LIST(uc->list), index, index+1);
345 }
346 }
347
348 void dlg_listbox_add(union control *ctrl, void *dlg, char const *text)
349 {
350 dlg_listbox_addwithid(ctrl, dlg, text, 0);
351 }
352
353 /*
354 * Each listbox entry may have a numeric id associated with it.
355 * Note that some front ends only permit a string to be stored at
356 * each position, which means that _if_ you put two identical
357 * strings in any listbox then you MUST not assign them different
358 * IDs and expect to get meaningful results back.
359 */
360 void dlg_listbox_addwithid(union control *ctrl, void *dlg,
361 char const *text, int id)
362 {
363 struct dlgparam *dp = (struct dlgparam *)dlg;
364 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
365
366 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
367 uc->ctrl->generic.type == CTRL_LISTBOX);
368 assert(uc->menu != NULL || uc->list != NULL);
369
370 dp->flags |= FLAG_UPDATING_COMBO_LIST;
371
372 if (uc->menu) {
373 /*
374 * List item in a drop-down (but non-combo) list. Tabs are
375 * ignored; we just provide a standard menu item with the
376 * text.
377 */
378 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
379
380 gtk_container_add(GTK_CONTAINER(uc->menu), menuitem);
381 gtk_widget_show(menuitem);
382
383 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
384 GINT_TO_POINTER(id));
385 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
386 GTK_SIGNAL_FUNC(menuitem_activate), dp);
387 } else if (!uc->entry) {
388 /*
389 * List item in a non-combo-box list box. We make all of
390 * these Columns containing GtkLabels. This allows us to do
391 * the nasty force_left hack irrespective of whether there
392 * are tabs in the thing.
393 */
394 GtkWidget *listitem = gtk_list_item_new();
395 GtkWidget *cols = columns_new(10);
396 gint *percents;
397 int i, ncols;
398
399 /* Count the tabs in the text, and hence determine # of columns. */
400 ncols = 1;
401 for (i = 0; text[i]; i++)
402 if (text[i] == '\t')
403 ncols++;
404
405 assert(ncols <=
406 (uc->ctrl->listbox.ncols ? uc->ctrl->listbox.ncols : 1));
407 percents = snewn(ncols, gint);
408 percents[ncols-1] = 100;
409 for (i = 0; i < ncols-1; i++) {
410 percents[i] = uc->ctrl->listbox.percentages[i];
411 percents[ncols-1] -= percents[i];
412 }
413 columns_set_cols(COLUMNS(cols), ncols, percents);
414 sfree(percents);
415
416 for (i = 0; i < ncols; i++) {
417 int len = strcspn(text, "\t");
418 char *dup = dupprintf("%.*s", len, text);
419 GtkWidget *label;
420
421 text += len;
422 if (*text) text++;
423 label = gtk_label_new(dup);
424 sfree(dup);
425
426 columns_add(COLUMNS(cols), label, i, 1);
427 columns_force_left_align(COLUMNS(cols), label);
428 gtk_widget_show(label);
429 }
430 gtk_container_add(GTK_CONTAINER(listitem), cols);
431 gtk_widget_show(cols);
432 gtk_container_add(GTK_CONTAINER(uc->list), listitem);
433 gtk_widget_show(listitem);
434
435 if (ctrl->listbox.multisel) {
436 gtk_signal_connect(GTK_OBJECT(listitem), "key_press_event",
437 GTK_SIGNAL_FUNC(listitem_multi_key), uc->adj);
438 } else {
439 gtk_signal_connect(GTK_OBJECT(listitem), "key_press_event",
440 GTK_SIGNAL_FUNC(listitem_single_key), uc->adj);
441 }
442 gtk_signal_connect(GTK_OBJECT(listitem), "focus_in_event",
443 GTK_SIGNAL_FUNC(widget_focus), dp);
444 gtk_signal_connect(GTK_OBJECT(listitem), "button_press_event",
445 GTK_SIGNAL_FUNC(listitem_button_press), dp);
446 gtk_signal_connect(GTK_OBJECT(listitem), "button_release_event",
447 GTK_SIGNAL_FUNC(listitem_button_release), dp);
448 gtk_object_set_data(GTK_OBJECT(listitem), "user-data",
449 GINT_TO_POINTER(id));
450 } else {
451 /*
452 * List item in a combo-box list, which means the sensible
453 * thing to do is make it a perfectly normal label. Hence
454 * tabs are disregarded.
455 */
456 GtkWidget *listitem = gtk_list_item_new_with_label(text);
457
458 gtk_container_add(GTK_CONTAINER(uc->list), listitem);
459 gtk_widget_show(listitem);
460
461 gtk_object_set_data(GTK_OBJECT(listitem), "user-data",
462 GINT_TO_POINTER(id));
463 }
464
465 dp->flags &= ~FLAG_UPDATING_COMBO_LIST;
466 }
467
468 int dlg_listbox_getid(union control *ctrl, void *dlg, int index)
469 {
470 struct dlgparam *dp = (struct dlgparam *)dlg;
471 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
472 GList *children;
473 GtkObject *item;
474
475 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
476 uc->ctrl->generic.type == CTRL_LISTBOX);
477 assert(uc->menu != NULL || uc->list != NULL);
478
479 children = gtk_container_children(GTK_CONTAINER(uc->menu ? uc->menu :
480 uc->list));
481 item = GTK_OBJECT(g_list_nth_data(children, index));
482 g_list_free(children);
483
484 return GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item), "user-data"));
485 }
486
487 /* dlg_listbox_index returns <0 if no single element is selected. */
488 int dlg_listbox_index(union control *ctrl, void *dlg)
489 {
490 struct dlgparam *dp = (struct dlgparam *)dlg;
491 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
492 GList *children;
493 GtkWidget *item, *activeitem;
494 int i;
495 int selected = -1;
496
497 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
498 uc->ctrl->generic.type == CTRL_LISTBOX);
499 assert(uc->menu != NULL || uc->list != NULL);
500
501 if (uc->menu)
502 activeitem = gtk_menu_get_active(GTK_MENU(uc->menu));
503 else
504 activeitem = NULL; /* unnecessarily placate gcc */
505
506 children = gtk_container_children(GTK_CONTAINER(uc->menu ? uc->menu :
507 uc->list));
508 for (i = 0; children!=NULL && (item = GTK_WIDGET(children->data))!=NULL;
509 i++, children = children->next) {
510 if (uc->menu ? activeitem == item :
511 GTK_WIDGET_STATE(item) == GTK_STATE_SELECTED) {
512 if (selected == -1)
513 selected = i;
514 else
515 selected = -2;
516 }
517 }
518 g_list_free(children);
519 return selected < 0 ? -1 : selected;
520 }
521
522 int dlg_listbox_issel(union control *ctrl, void *dlg, int index)
523 {
524 struct dlgparam *dp = (struct dlgparam *)dlg;
525 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
526 GList *children;
527 GtkWidget *item, *activeitem;
528
529 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
530 uc->ctrl->generic.type == CTRL_LISTBOX);
531 assert(uc->menu != NULL || uc->list != NULL);
532
533 children = gtk_container_children(GTK_CONTAINER(uc->menu ? uc->menu :
534 uc->list));
535 item = GTK_WIDGET(g_list_nth_data(children, index));
536 g_list_free(children);
537
538 if (uc->menu) {
539 activeitem = gtk_menu_get_active(GTK_MENU(uc->menu));
540 return item == activeitem;
541 } else {
542 return GTK_WIDGET_STATE(item) == GTK_STATE_SELECTED;
543 }
544 }
545
546 void dlg_listbox_select(union control *ctrl, void *dlg, int index)
547 {
548 struct dlgparam *dp = (struct dlgparam *)dlg;
549 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
550
551 assert(uc->ctrl->generic.type == CTRL_EDITBOX ||
552 uc->ctrl->generic.type == CTRL_LISTBOX);
553 assert(uc->optmenu != NULL || uc->list != NULL);
554
555 if (uc->optmenu) {
556 gtk_option_menu_set_history(GTK_OPTION_MENU(uc->optmenu), index);
557 } else {
558 int nitems;
559 GList *items;
560 gdouble newtop, newbot;
561
562 gtk_list_select_item(GTK_LIST(uc->list), index);
563
564 /*
565 * Scroll the list box if necessary to ensure the newly
566 * selected item is visible.
567 */
568 items = gtk_container_children(GTK_CONTAINER(uc->list));
569 nitems = g_list_length(items);
570 if (nitems > 0) {
571 int modified = FALSE;
572 g_list_free(items);
573 newtop = uc->adj->lower +
574 (uc->adj->upper - uc->adj->lower) * index / nitems;
575 newbot = uc->adj->lower +
576 (uc->adj->upper - uc->adj->lower) * (index+1) / nitems;
577 if (uc->adj->value > newtop) {
578 modified = TRUE;
579 uc->adj->value = newtop;
580 } else if (uc->adj->value < newbot - uc->adj->page_size) {
581 modified = TRUE;
582 uc->adj->value = newbot - uc->adj->page_size;
583 }
584 if (modified)
585 gtk_adjustment_value_changed(uc->adj);
586 }
587 }
588 }
589
590 void dlg_text_set(union control *ctrl, void *dlg, char const *text)
591 {
592 struct dlgparam *dp = (struct dlgparam *)dlg;
593 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
594
595 assert(uc->ctrl->generic.type == CTRL_TEXT);
596 assert(uc->text != NULL);
597
598 gtk_label_set_text(GTK_LABEL(uc->text), text);
599 }
600
601 void dlg_label_change(union control *ctrl, void *dlg, char const *text)
602 {
603 struct dlgparam *dp = (struct dlgparam *)dlg;
604 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
605
606 switch (uc->ctrl->generic.type) {
607 case CTRL_BUTTON:
608 gtk_label_set_text(GTK_LABEL(uc->toplevel), text);
609 shortcut_highlight(uc->toplevel, ctrl->button.shortcut);
610 break;
611 case CTRL_CHECKBOX:
612 gtk_label_set_text(GTK_LABEL(uc->toplevel), text);
613 shortcut_highlight(uc->toplevel, ctrl->checkbox.shortcut);
614 break;
615 case CTRL_RADIO:
616 gtk_label_set_text(GTK_LABEL(uc->label), text);
617 shortcut_highlight(uc->label, ctrl->radio.shortcut);
618 break;
619 case CTRL_EDITBOX:
620 gtk_label_set_text(GTK_LABEL(uc->label), text);
621 shortcut_highlight(uc->label, ctrl->editbox.shortcut);
622 break;
623 case CTRL_FILESELECT:
624 gtk_label_set_text(GTK_LABEL(uc->label), text);
625 shortcut_highlight(uc->label, ctrl->fileselect.shortcut);
626 break;
627 case CTRL_FONTSELECT:
628 gtk_label_set_text(GTK_LABEL(uc->label), text);
629 shortcut_highlight(uc->label, ctrl->fontselect.shortcut);
630 break;
631 case CTRL_LISTBOX:
632 gtk_label_set_text(GTK_LABEL(uc->label), text);
633 shortcut_highlight(uc->label, ctrl->listbox.shortcut);
634 break;
635 default:
636 assert(!"This shouldn't happen");
637 break;
638 }
639 }
640
641 void dlg_filesel_set(union control *ctrl, void *dlg, Filename fn)
642 {
643 struct dlgparam *dp = (struct dlgparam *)dlg;
644 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
645 assert(uc->ctrl->generic.type == CTRL_FILESELECT);
646 assert(uc->entry != NULL);
647 gtk_entry_set_text(GTK_ENTRY(uc->entry), fn.path);
648 }
649
650 void dlg_filesel_get(union control *ctrl, void *dlg, Filename *fn)
651 {
652 struct dlgparam *dp = (struct dlgparam *)dlg;
653 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
654 assert(uc->ctrl->generic.type == CTRL_FILESELECT);
655 assert(uc->entry != NULL);
656 strncpy(fn->path, gtk_entry_get_text(GTK_ENTRY(uc->entry)),
657 lenof(fn->path));
658 fn->path[lenof(fn->path)-1] = '\0';
659 }
660
661 void dlg_fontsel_set(union control *ctrl, void *dlg, FontSpec fs)
662 {
663 struct dlgparam *dp = (struct dlgparam *)dlg;
664 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
665 assert(uc->ctrl->generic.type == CTRL_FONTSELECT);
666 assert(uc->entry != NULL);
667 gtk_entry_set_text(GTK_ENTRY(uc->entry), fs.name);
668 }
669
670 void dlg_fontsel_get(union control *ctrl, void *dlg, FontSpec *fs)
671 {
672 struct dlgparam *dp = (struct dlgparam *)dlg;
673 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
674 assert(uc->ctrl->generic.type == CTRL_FONTSELECT);
675 assert(uc->entry != NULL);
676 strncpy(fs->name, gtk_entry_get_text(GTK_ENTRY(uc->entry)),
677 lenof(fs->name));
678 fs->name[lenof(fs->name)-1] = '\0';
679 }
680
681 /*
682 * Bracketing a large set of updates in these two functions will
683 * cause the front end (if possible) to delay updating the screen
684 * until it's all complete, thus avoiding flicker.
685 */
686 void dlg_update_start(union control *ctrl, void *dlg)
687 {
688 /*
689 * Apparently we can't do this at all in GTK. GtkCList supports
690 * freeze and thaw, but not GtkList. Bah.
691 */
692 }
693
694 void dlg_update_done(union control *ctrl, void *dlg)
695 {
696 /*
697 * Apparently we can't do this at all in GTK. GtkCList supports
698 * freeze and thaw, but not GtkList. Bah.
699 */
700 }
701
702 void dlg_set_focus(union control *ctrl, void *dlg)
703 {
704 struct dlgparam *dp = (struct dlgparam *)dlg;
705 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
706
707 switch (ctrl->generic.type) {
708 case CTRL_CHECKBOX:
709 case CTRL_BUTTON:
710 /* Check boxes and buttons get the focus _and_ get toggled. */
711 gtk_widget_grab_focus(uc->toplevel);
712 break;
713 case CTRL_FILESELECT:
714 case CTRL_FONTSELECT:
715 case CTRL_EDITBOX:
716 /* Anything containing an edit box gets that focused. */
717 gtk_widget_grab_focus(uc->entry);
718 break;
719 case CTRL_RADIO:
720 /*
721 * Radio buttons: we find the currently selected button and
722 * focus it.
723 */
724 {
725 int i;
726 for (i = 0; i < ctrl->radio.nbuttons; i++)
727 if (gtk_toggle_button_get_active
728 (GTK_TOGGLE_BUTTON(uc->buttons[i]))) {
729 gtk_widget_grab_focus(uc->buttons[i]);
730 }
731 }
732 break;
733 case CTRL_LISTBOX:
734 /*
735 * If the list is really an option menu, we focus it.
736 * Otherwise we tell it to focus one of its children, which
737 * appears to do the Right Thing.
738 */
739 if (uc->optmenu) {
740 gtk_widget_grab_focus(uc->optmenu);
741 } else {
742 assert(uc->list != NULL);
743 gtk_container_focus(GTK_CONTAINER(uc->list), GTK_DIR_TAB_FORWARD);
744 }
745 break;
746 }
747 }
748
749 /*
750 * During event processing, you might well want to give an error
751 * indication to the user. dlg_beep() is a quick and easy generic
752 * error; dlg_error() puts up a message-box or equivalent.
753 */
754 void dlg_beep(void *dlg)
755 {
756 gdk_beep();
757 }
758
759 static void errmsg_button_clicked(GtkButton *button, gpointer data)
760 {
761 gtk_widget_destroy(GTK_WIDGET(data));
762 }
763
764 static void set_transient_window_pos(GtkWidget *parent, GtkWidget *child)
765 {
766 gint x, y, w, h, dx, dy;
767 GtkRequisition req;
768 gtk_window_set_position(GTK_WINDOW(child), GTK_WIN_POS_NONE);
769 gtk_widget_size_request(GTK_WIDGET(child), &req);
770
771 gdk_window_get_origin(GTK_WIDGET(parent)->window, &x, &y);
772 gdk_window_get_size(GTK_WIDGET(parent)->window, &w, &h);
773
774 /*
775 * One corner of the transient will be offset inwards, by 1/4
776 * of the parent window's size, from the corresponding corner
777 * of the parent window. The corner will be chosen so as to
778 * place the transient closer to the centre of the screen; this
779 * should avoid transients going off the edge of the screen on
780 * a regular basis.
781 */
782 if (x + w/2 < gdk_screen_width() / 2)
783 dx = x + w/4; /* work from left edges */
784 else
785 dx = x + 3*w/4 - req.width; /* work from right edges */
786 if (y + h/2 < gdk_screen_height() / 2)
787 dy = y + h/4; /* work from top edges */
788 else
789 dy = y + 3*h/4 - req.height; /* work from bottom edges */
790 gtk_widget_set_uposition(GTK_WIDGET(child), dx, dy);
791 }
792
793 void dlg_error_msg(void *dlg, char *msg)
794 {
795 struct dlgparam *dp = (struct dlgparam *)dlg;
796 GtkWidget *window, *hbox, *text, *ok;
797
798 window = gtk_dialog_new();
799 text = gtk_label_new(msg);
800 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
801 hbox = gtk_hbox_new(FALSE, 0);
802 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
803 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
804 hbox, FALSE, FALSE, 20);
805 gtk_widget_show(text);
806 gtk_widget_show(hbox);
807 gtk_window_set_title(GTK_WINDOW(window), "Error");
808 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
809 ok = gtk_button_new_with_label("OK");
810 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
811 ok, FALSE, FALSE, 0);
812 gtk_widget_show(ok);
813 GTK_WIDGET_SET_FLAGS(ok, GTK_CAN_DEFAULT);
814 gtk_window_set_default(GTK_WINDOW(window), ok);
815 gtk_signal_connect(GTK_OBJECT(ok), "clicked",
816 GTK_SIGNAL_FUNC(errmsg_button_clicked), window);
817 gtk_signal_connect(GTK_OBJECT(window), "destroy",
818 GTK_SIGNAL_FUNC(window_destroy), NULL);
819 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
820 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(dp->window));
821 set_transient_window_pos(dp->window, window);
822 gtk_widget_show(window);
823 gtk_main();
824 }
825
826 /*
827 * This function signals to the front end that the dialog's
828 * processing is completed, and passes an integer value (typically
829 * a success status).
830 */
831 void dlg_end(void *dlg, int value)
832 {
833 struct dlgparam *dp = (struct dlgparam *)dlg;
834 dp->retval = value;
835 gtk_widget_destroy(dp->window);
836 }
837
838 void dlg_refresh(union control *ctrl, void *dlg)
839 {
840 struct dlgparam *dp = (struct dlgparam *)dlg;
841 struct uctrl *uc;
842
843 if (ctrl) {
844 if (ctrl->generic.handler != NULL)
845 ctrl->generic.handler(ctrl, dp, dp->data, EVENT_REFRESH);
846 } else {
847 int i;
848
849 for (i = 0; (uc = index234(dp->byctrl, i)) != NULL; i++) {
850 assert(uc->ctrl != NULL);
851 if (uc->ctrl->generic.handler != NULL)
852 uc->ctrl->generic.handler(uc->ctrl, dp,
853 dp->data, EVENT_REFRESH);
854 }
855 }
856 }
857
858 void dlg_coloursel_start(union control *ctrl, void *dlg, int r, int g, int b)
859 {
860 struct dlgparam *dp = (struct dlgparam *)dlg;
861 struct uctrl *uc = dlg_find_byctrl(dp, ctrl);
862 gdouble cvals[4];
863
864 GtkWidget *coloursel =
865 gtk_color_selection_dialog_new("Select a colour");
866 GtkColorSelectionDialog *ccs = GTK_COLOR_SELECTION_DIALOG(coloursel);
867
868 dp->coloursel_result.ok = FALSE;
869
870 gtk_window_set_modal(GTK_WINDOW(coloursel), TRUE);
871 gtk_color_selection_set_opacity(GTK_COLOR_SELECTION(ccs->colorsel), FALSE);
872 cvals[0] = r / 255.0;
873 cvals[1] = g / 255.0;
874 cvals[2] = b / 255.0;
875 cvals[3] = 1.0; /* fully opaque! */
876 gtk_color_selection_set_color(GTK_COLOR_SELECTION(ccs->colorsel), cvals);
877
878 gtk_object_set_data(GTK_OBJECT(ccs->ok_button), "user-data",
879 (gpointer)coloursel);
880 gtk_object_set_data(GTK_OBJECT(ccs->cancel_button), "user-data",
881 (gpointer)coloursel);
882 gtk_object_set_data(GTK_OBJECT(coloursel), "user-data", (gpointer)uc);
883 gtk_signal_connect(GTK_OBJECT(ccs->ok_button), "clicked",
884 GTK_SIGNAL_FUNC(coloursel_ok), (gpointer)dp);
885 gtk_signal_connect(GTK_OBJECT(ccs->cancel_button), "clicked",
886 GTK_SIGNAL_FUNC(coloursel_cancel), (gpointer)dp);
887 gtk_signal_connect_object(GTK_OBJECT(ccs->ok_button), "clicked",
888 GTK_SIGNAL_FUNC(gtk_widget_destroy),
889 (gpointer)coloursel);
890 gtk_signal_connect_object(GTK_OBJECT(ccs->cancel_button), "clicked",
891 GTK_SIGNAL_FUNC(gtk_widget_destroy),
892 (gpointer)coloursel);
893 gtk_widget_show(coloursel);
894 }
895
896 int dlg_coloursel_results(union control *ctrl, void *dlg,
897 int *r, int *g, int *b)
898 {
899 struct dlgparam *dp = (struct dlgparam *)dlg;
900 if (dp->coloursel_result.ok) {
901 *r = dp->coloursel_result.r;
902 *g = dp->coloursel_result.g;
903 *b = dp->coloursel_result.b;
904 return 1;
905 } else
906 return 0;
907 }
908
909 /* ----------------------------------------------------------------------
910 * Signal handlers while the dialog box is active.
911 */
912
913 static gboolean widget_focus(GtkWidget *widget, GdkEventFocus *event,
914 gpointer data)
915 {
916 struct dlgparam *dp = (struct dlgparam *)data;
917 struct uctrl *uc = dlg_find_bywidget(dp, widget);
918 union control *focus;
919
920 if (uc && uc->ctrl)
921 focus = uc->ctrl;
922 else
923 focus = NULL;
924
925 if (focus != dp->currfocus) {
926 dp->lastfocus = dp->currfocus;
927 dp->currfocus = focus;
928 }
929
930 return FALSE;
931 }
932
933 static void button_clicked(GtkButton *button, gpointer data)
934 {
935 struct dlgparam *dp = (struct dlgparam *)data;
936 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
937 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_ACTION);
938 }
939
940 static void button_toggled(GtkToggleButton *tb, gpointer data)
941 {
942 struct dlgparam *dp = (struct dlgparam *)data;
943 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(tb));
944 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_VALCHANGE);
945 }
946
947 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
948 {
949 /*
950 * GtkEntry has a nasty habit of eating the Return key, which
951 * is unhelpful since it doesn't actually _do_ anything with it
952 * (it calls gtk_widget_activate, but our edit boxes never need
953 * activating). So I catch Return before GtkEntry sees it, and
954 * pass it straight on to the parent widget. Effect: hitting
955 * Return in an edit box will now activate the default button
956 * in the dialog just like it will everywhere else.
957 */
958 if (event->keyval == GDK_Return && widget->parent != NULL) {
959 gint return_val;
960 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
961 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
962 event, &return_val);
963 return return_val;
964 }
965 return FALSE;
966 }
967
968 static void editbox_changed(GtkEditable *ed, gpointer data)
969 {
970 struct dlgparam *dp = (struct dlgparam *)data;
971 if (!(dp->flags & FLAG_UPDATING_COMBO_LIST)) {
972 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(ed));
973 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_VALCHANGE);
974 }
975 }
976
977 static void editbox_lostfocus(GtkWidget *ed, GdkEventFocus *event,
978 gpointer data)
979 {
980 struct dlgparam *dp = (struct dlgparam *)data;
981 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(ed));
982 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_REFRESH);
983 }
984
985 static int listitem_key(GtkWidget *item, GdkEventKey *event, gpointer data,
986 int multiple)
987 {
988 GtkAdjustment *adj = GTK_ADJUSTMENT(data);
989
990 if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
991 event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
992 event->keyval == GDK_Page_Up || event->keyval == GDK_KP_Page_Up ||
993 event->keyval == GDK_Page_Down || event->keyval == GDK_KP_Page_Down) {
994 /*
995 * Up, Down, PgUp or PgDn have been pressed on a ListItem
996 * in a list box. So, if the list box is single-selection:
997 *
998 * - if the list item in question isn't already selected,
999 * we simply select it.
1000 * - otherwise, we find the next one (or next
1001 * however-far-away) in whichever direction we're going,
1002 * and select that.
1003 * + in this case, we must also fiddle with the
1004 * scrollbar to ensure the newly selected item is
1005 * actually visible.
1006 *
1007 * If it's multiple-selection, we do all of the above
1008 * except actually selecting anything, so we move the focus
1009 * and fiddle the scrollbar to follow it.
1010 */
1011 GtkWidget *list = item->parent;
1012
1013 gtk_signal_emit_stop_by_name(GTK_OBJECT(item), "key_press_event");
1014
1015 if (!multiple &&
1016 GTK_WIDGET_STATE(item) != GTK_STATE_SELECTED) {
1017 gtk_list_select_child(GTK_LIST(list), item);
1018 } else {
1019 int direction =
1020 (event->keyval==GDK_Up || event->keyval==GDK_KP_Up ||
1021 event->keyval==GDK_Page_Up || event->keyval==GDK_KP_Page_Up)
1022 ? -1 : +1;
1023 int step =
1024 (event->keyval==GDK_Page_Down ||
1025 event->keyval==GDK_KP_Page_Down ||
1026 event->keyval==GDK_Page_Up || event->keyval==GDK_KP_Page_Up)
1027 ? 2 : 1;
1028 int i, n;
1029 GList *children, *chead;
1030
1031 chead = children = gtk_container_children(GTK_CONTAINER(list));
1032
1033 n = g_list_length(children);
1034
1035 if (step == 2) {
1036 /*
1037 * Figure out how many list items to a screenful,
1038 * and adjust the step appropriately.
1039 */
1040 step = 0.5 + adj->page_size * n / (adj->upper - adj->lower);
1041 step--; /* go by one less than that */
1042 }
1043
1044 i = 0;
1045 while (children != NULL) {
1046 if (item == children->data)
1047 break;
1048 children = children->next;
1049 i++;
1050 }
1051
1052 while (step > 0) {
1053 if (direction < 0 && i > 0)
1054 children = children->prev, i--;
1055 else if (direction > 0 && i < n-1)
1056 children = children->next, i++;
1057 step--;
1058 }
1059
1060 if (children && children->data) {
1061 if (!multiple)
1062 gtk_list_select_child(GTK_LIST(list),
1063 GTK_WIDGET(children->data));
1064 gtk_widget_grab_focus(GTK_WIDGET(children->data));
1065 gtk_adjustment_clamp_page
1066 (adj,
1067 adj->lower + (adj->upper-adj->lower) * i / n,
1068 adj->lower + (adj->upper-adj->lower) * (i+1) / n);
1069 }
1070
1071 g_list_free(chead);
1072 }
1073 return TRUE;
1074 }
1075
1076 return FALSE;
1077 }
1078
1079 static int listitem_single_key(GtkWidget *item, GdkEventKey *event,
1080 gpointer data)
1081 {
1082 return listitem_key(item, event, data, FALSE);
1083 }
1084
1085 static int listitem_multi_key(GtkWidget *item, GdkEventKey *event,
1086 gpointer data)
1087 {
1088 return listitem_key(item, event, data, TRUE);
1089 }
1090
1091 static int listitem_button_press(GtkWidget *item, GdkEventButton *event,
1092 gpointer data)
1093 {
1094 struct dlgparam *dp = (struct dlgparam *)data;
1095 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(item));
1096 switch (event->type) {
1097 default:
1098 case GDK_BUTTON_PRESS: uc->nclicks = 1; break;
1099 case GDK_2BUTTON_PRESS: uc->nclicks = 2; break;
1100 case GDK_3BUTTON_PRESS: uc->nclicks = 3; break;
1101 }
1102 return FALSE;
1103 }
1104
1105 static int listitem_button_release(GtkWidget *item, GdkEventButton *event,
1106 gpointer data)
1107 {
1108 struct dlgparam *dp = (struct dlgparam *)data;
1109 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(item));
1110 if (uc->nclicks>1) {
1111 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_ACTION);
1112 return TRUE;
1113 }
1114 return FALSE;
1115 }
1116
1117 static void list_selchange(GtkList *list, gpointer data)
1118 {
1119 struct dlgparam *dp = (struct dlgparam *)data;
1120 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(list));
1121 if (!uc) return;
1122 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_SELCHANGE);
1123 }
1124
1125 static void menuitem_activate(GtkMenuItem *item, gpointer data)
1126 {
1127 struct dlgparam *dp = (struct dlgparam *)data;
1128 GtkWidget *menushell = GTK_WIDGET(item)->parent;
1129 gpointer optmenu = gtk_object_get_data(GTK_OBJECT(menushell), "user-data");
1130 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(optmenu));
1131 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_SELCHANGE);
1132 }
1133
1134 static void draglist_move(struct dlgparam *dp, struct uctrl *uc, int direction)
1135 {
1136 int index = dlg_listbox_index(uc->ctrl, dp);
1137 GList *children = gtk_container_children(GTK_CONTAINER(uc->list));
1138 GtkWidget *child;
1139
1140 if ((index < 0) ||
1141 (index == 0 && direction < 0) ||
1142 (index == g_list_length(children)-1 && direction > 0)) {
1143 gdk_beep();
1144 return;
1145 }
1146
1147 child = g_list_nth_data(children, index);
1148 gtk_widget_ref(child);
1149 gtk_list_clear_items(GTK_LIST(uc->list), index, index+1);
1150 g_list_free(children);
1151
1152 children = NULL;
1153 children = g_list_append(children, child);
1154 gtk_list_insert_items(GTK_LIST(uc->list), children, index + direction);
1155 gtk_list_select_item(GTK_LIST(uc->list), index + direction);
1156 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_VALCHANGE);
1157 }
1158
1159 static void draglist_up(GtkButton *button, gpointer data)
1160 {
1161 struct dlgparam *dp = (struct dlgparam *)data;
1162 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1163 draglist_move(dp, uc, -1);
1164 }
1165
1166 static void draglist_down(GtkButton *button, gpointer data)
1167 {
1168 struct dlgparam *dp = (struct dlgparam *)data;
1169 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1170 draglist_move(dp, uc, +1);
1171 }
1172
1173 static void filesel_ok(GtkButton *button, gpointer data)
1174 {
1175 /* struct dlgparam *dp = (struct dlgparam *)data; */
1176 gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1177 struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(filesel), "user-data");
1178 char *name = gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
1179 gtk_entry_set_text(GTK_ENTRY(uc->entry), name);
1180 }
1181
1182 static void fontsel_ok(GtkButton *button, gpointer data)
1183 {
1184 /* struct dlgparam *dp = (struct dlgparam *)data; */
1185 gpointer fontsel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1186 struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(fontsel), "user-data");
1187 char *name = gtk_font_selection_dialog_get_font_name
1188 (GTK_FONT_SELECTION_DIALOG(fontsel));
1189 gtk_entry_set_text(GTK_ENTRY(uc->entry), name);
1190 }
1191
1192 static void coloursel_ok(GtkButton *button, gpointer data)
1193 {
1194 struct dlgparam *dp = (struct dlgparam *)data;
1195 gpointer coloursel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1196 struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(coloursel), "user-data");
1197 gdouble cvals[4];
1198 gtk_color_selection_get_color
1199 (GTK_COLOR_SELECTION(GTK_COLOR_SELECTION_DIALOG(coloursel)->colorsel),
1200 cvals);
1201 dp->coloursel_result.r = (int) (255 * cvals[0]);
1202 dp->coloursel_result.g = (int) (255 * cvals[1]);
1203 dp->coloursel_result.b = (int) (255 * cvals[2]);
1204 dp->coloursel_result.ok = TRUE;
1205 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_CALLBACK);
1206 }
1207
1208 static void coloursel_cancel(GtkButton *button, gpointer data)
1209 {
1210 struct dlgparam *dp = (struct dlgparam *)data;
1211 gpointer coloursel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1212 struct uctrl *uc = gtk_object_get_data(GTK_OBJECT(coloursel), "user-data");
1213 dp->coloursel_result.ok = FALSE;
1214 uc->ctrl->generic.handler(uc->ctrl, dp, dp->data, EVENT_CALLBACK);
1215 }
1216
1217 static void filefont_clicked(GtkButton *button, gpointer data)
1218 {
1219 struct dlgparam *dp = (struct dlgparam *)data;
1220 struct uctrl *uc = dlg_find_bywidget(dp, GTK_WIDGET(button));
1221
1222 if (uc->ctrl->generic.type == CTRL_FILESELECT) {
1223 GtkWidget *filesel =
1224 gtk_file_selection_new(uc->ctrl->fileselect.title);
1225 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1226 gtk_object_set_data
1227 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1228 (gpointer)filesel);
1229 gtk_object_set_data(GTK_OBJECT(filesel), "user-data", (gpointer)uc);
1230 gtk_signal_connect
1231 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1232 GTK_SIGNAL_FUNC(filesel_ok), (gpointer)dp);
1233 gtk_signal_connect_object
1234 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1235 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1236 gtk_signal_connect_object
1237 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1238 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1239 gtk_widget_show(filesel);
1240 }
1241
1242 if (uc->ctrl->generic.type == CTRL_FONTSELECT) {
1243 gchar *spacings[] = { "c", "m", NULL };
1244 gchar *fontname = gtk_entry_get_text(GTK_ENTRY(uc->entry));
1245 GtkWidget *fontsel =
1246 gtk_font_selection_dialog_new("Select a font");
1247 gtk_window_set_modal(GTK_WINDOW(fontsel), TRUE);
1248 gtk_font_selection_dialog_set_filter
1249 (GTK_FONT_SELECTION_DIALOG(fontsel),
1250 GTK_FONT_FILTER_BASE, GTK_FONT_ALL,
1251 NULL, NULL, NULL, NULL, spacings, NULL);
1252 if (!gtk_font_selection_dialog_set_font_name
1253 (GTK_FONT_SELECTION_DIALOG(fontsel), fontname)) {
1254 /*
1255 * If the font name wasn't found as it was, try opening
1256 * it and extracting its FONT property. This should
1257 * have the effect of mapping short aliases into true
1258 * XLFDs.
1259 */
1260 GdkFont *font = gdk_font_load(fontname);
1261 if (font) {
1262 XFontStruct *xfs = GDK_FONT_XFONT(font);
1263 Display *disp = GDK_FONT_XDISPLAY(font);
1264 Atom fontprop = XInternAtom(disp, "FONT", False);
1265 unsigned long ret;
1266 if (XGetFontProperty(xfs, fontprop, &ret)) {
1267 char *name = XGetAtomName(disp, (Atom)ret);
1268 if (name)
1269 gtk_font_selection_dialog_set_font_name
1270 (GTK_FONT_SELECTION_DIALOG(fontsel), name);
1271 }
1272 gdk_font_unref(font);
1273 }
1274 }
1275 gtk_object_set_data
1276 (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->ok_button),
1277 "user-data", (gpointer)fontsel);
1278 gtk_object_set_data(GTK_OBJECT(fontsel), "user-data", (gpointer)uc);
1279 gtk_signal_connect
1280 (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->ok_button),
1281 "clicked", GTK_SIGNAL_FUNC(fontsel_ok), (gpointer)dp);
1282 gtk_signal_connect_object
1283 (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->ok_button),
1284 "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy),
1285 (gpointer)fontsel);
1286 gtk_signal_connect_object
1287 (GTK_OBJECT(GTK_FONT_SELECTION_DIALOG(fontsel)->cancel_button),
1288 "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy),
1289 (gpointer)fontsel);
1290 gtk_widget_show(fontsel);
1291 }
1292 }
1293
1294 static void label_sizealloc(GtkWidget *widget, GtkAllocation *alloc,
1295 gpointer data)
1296 {
1297 struct dlgparam *dp = (struct dlgparam *)data;
1298 struct uctrl *uc = dlg_find_bywidget(dp, widget);
1299
1300 gtk_widget_set_usize(uc->text, alloc->width, -1);
1301 gtk_label_set_text(GTK_LABEL(uc->text), uc->ctrl->generic.label);
1302 gtk_signal_disconnect(GTK_OBJECT(uc->text), uc->textsig);
1303 }
1304
1305 /* ----------------------------------------------------------------------
1306 * This function does the main layout work: it reads a controlset,
1307 * it creates the relevant GTK controls, and returns a GtkWidget
1308 * containing the result. (This widget might be a title of some
1309 * sort, it might be a Columns containing many controls, or it
1310 * might be a GtkFrame containing a Columns; whatever it is, it's
1311 * definitely a GtkWidget and should probably be added to a
1312 * GtkVbox.)
1313 *
1314 * `listitemheight' is used to calculate a usize for list boxes: it
1315 * should be the height from the size request of a GtkListItem.
1316 *
1317 * `win' is required for setting the default button. If it is
1318 * non-NULL, all buttons created will be default-capable (so they
1319 * have extra space round them for the default highlight).
1320 */
1321 GtkWidget *layout_ctrls(struct dlgparam *dp, struct Shortcuts *scs,
1322 struct controlset *s, int listitemheight,
1323 GtkWindow *win)
1324 {
1325 Columns *cols;
1326 GtkWidget *ret;
1327 int i;
1328
1329 if (!s->boxname && s->boxtitle) {
1330 /* This controlset is a panel title. */
1331 return gtk_label_new(s->boxtitle);
1332 }
1333
1334 /*
1335 * Otherwise, we expect to be laying out actual controls, so
1336 * we'll start by creating a Columns for the purpose.
1337 */
1338 cols = COLUMNS(columns_new(4));
1339 ret = GTK_WIDGET(cols);
1340 gtk_widget_show(ret);
1341
1342 /*
1343 * Create a containing frame if we have a box name.
1344 */
1345 if (*s->boxname) {
1346 ret = gtk_frame_new(s->boxtitle); /* NULL is valid here */
1347 gtk_container_set_border_width(GTK_CONTAINER(cols), 4);
1348 gtk_container_add(GTK_CONTAINER(ret), GTK_WIDGET(cols));
1349 gtk_widget_show(ret);
1350 }
1351
1352 /*
1353 * Now iterate through the controls themselves, create them,
1354 * and add them to the Columns.
1355 */
1356 for (i = 0; i < s->ncontrols; i++) {
1357 union control *ctrl = s->ctrls[i];
1358 struct uctrl *uc;
1359 int left = FALSE;
1360 GtkWidget *w = NULL;
1361
1362 switch (ctrl->generic.type) {
1363 case CTRL_COLUMNS:
1364 {
1365 static const int simplecols[1] = { 100 };
1366 columns_set_cols(cols, ctrl->columns.ncols,
1367 (ctrl->columns.percentages ?
1368 ctrl->columns.percentages : simplecols));
1369 }
1370 continue; /* no actual control created */
1371 case CTRL_TABDELAY:
1372 {
1373 struct uctrl *uc = dlg_find_byctrl(dp, ctrl->tabdelay.ctrl);
1374 if (uc)
1375 columns_taborder_last(cols, uc->toplevel);
1376 }
1377 continue; /* no actual control created */
1378 }
1379
1380 uc = snew(struct uctrl);
1381 uc->ctrl = ctrl;
1382 uc->privdata = NULL;
1383 uc->privdata_needs_free = FALSE;
1384 uc->buttons = NULL;
1385 uc->entry = uc->list = uc->menu = NULL;
1386 uc->button = uc->optmenu = uc->text = NULL;
1387 uc->label = NULL;
1388 uc->nclicks = 0;
1389
1390 switch (ctrl->generic.type) {
1391 case CTRL_BUTTON:
1392 w = gtk_button_new_with_label(ctrl->generic.label);
1393 if (win) {
1394 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
1395 if (ctrl->button.isdefault)
1396 gtk_window_set_default(win, w);
1397 if (ctrl->button.iscancel)
1398 dp->cancelbutton = w;
1399 }
1400 gtk_signal_connect(GTK_OBJECT(w), "clicked",
1401 GTK_SIGNAL_FUNC(button_clicked), dp);
1402 gtk_signal_connect(GTK_OBJECT(w), "focus_in_event",
1403 GTK_SIGNAL_FUNC(widget_focus), dp);
1404 shortcut_add(scs, GTK_BIN(w)->child, ctrl->button.shortcut,
1405 SHORTCUT_UCTRL, uc);
1406 break;
1407 case CTRL_CHECKBOX:
1408 w = gtk_check_button_new_with_label(ctrl->generic.label);
1409 gtk_signal_connect(GTK_OBJECT(w), "toggled",
1410 GTK_SIGNAL_FUNC(button_toggled), dp);
1411 gtk_signal_connect(GTK_OBJECT(w), "focus_in_event",
1412 GTK_SIGNAL_FUNC(widget_focus), dp);
1413 shortcut_add(scs, GTK_BIN(w)->child, ctrl->checkbox.shortcut,
1414 SHORTCUT_UCTRL, uc);
1415 left = TRUE;
1416 break;
1417 case CTRL_RADIO:
1418 /*
1419 * Radio buttons get to go inside their own Columns, no
1420 * matter what.
1421 */
1422 {
1423 gint i, *percentages;
1424 GSList *group;
1425
1426 w = columns_new(0);
1427 if (ctrl->generic.label) {
1428 GtkWidget *label = gtk_label_new(ctrl->generic.label);
1429 columns_add(COLUMNS(w), label, 0, 1);
1430 columns_force_left_align(COLUMNS(w), label);
1431 gtk_widget_show(label);
1432 shortcut_add(scs, label, ctrl->radio.shortcut,
1433 SHORTCUT_UCTRL, uc);
1434 uc->label = label;
1435 }
1436 percentages = g_new(gint, ctrl->radio.ncolumns);
1437 for (i = 0; i < ctrl->radio.ncolumns; i++) {
1438 percentages[i] =
1439 ((100 * (i+1) / ctrl->radio.ncolumns) -
1440 100 * i / ctrl->radio.ncolumns);
1441 }
1442 columns_set_cols(COLUMNS(w), ctrl->radio.ncolumns,
1443 percentages);
1444 g_free(percentages);
1445 group = NULL;
1446
1447 uc->nbuttons = ctrl->radio.nbuttons;
1448 uc->buttons = snewn(uc->nbuttons, GtkWidget *);
1449
1450 for (i = 0; i < ctrl->radio.nbuttons; i++) {
1451 GtkWidget *b;
1452 gint colstart;
1453
1454 b = (gtk_radio_button_new_with_label
1455 (group, ctrl->radio.buttons[i]));
1456 uc->buttons[i] = b;
1457 group = gtk_radio_button_group(GTK_RADIO_BUTTON(b));
1458 colstart = i % ctrl->radio.ncolumns;
1459 columns_add(COLUMNS(w), b, colstart,
1460 (i == ctrl->radio.nbuttons-1 ?
1461 ctrl->radio.ncolumns - colstart : 1));
1462 columns_force_left_align(COLUMNS(w), b);
1463 gtk_widget_show(b);
1464 gtk_signal_connect(GTK_OBJECT(b), "toggled",
1465 GTK_SIGNAL_FUNC(button_toggled), dp);
1466 gtk_signal_connect(GTK_OBJECT(b), "focus_in_event",
1467 GTK_SIGNAL_FUNC(widget_focus), dp);
1468 if (ctrl->radio.shortcuts) {
1469 shortcut_add(scs, GTK_BIN(b)->child,
1470 ctrl->radio.shortcuts[i],
1471 SHORTCUT_UCTRL, uc);
1472 }
1473 }
1474 }
1475 break;
1476 case CTRL_EDITBOX:
1477 {
1478 GtkRequisition req;
1479
1480 if (ctrl->editbox.has_list) {
1481 w = gtk_combo_new();
1482 gtk_combo_set_value_in_list(GTK_COMBO(w), FALSE, TRUE);
1483 uc->entry = GTK_COMBO(w)->entry;
1484 uc->list = GTK_COMBO(w)->list;
1485 } else {
1486 w = gtk_entry_new();
1487 if (ctrl->editbox.password)
1488 gtk_entry_set_visibility(GTK_ENTRY(w), FALSE);
1489 uc->entry = w;
1490 }
1491 gtk_signal_connect(GTK_OBJECT(uc->entry), "changed",
1492 GTK_SIGNAL_FUNC(editbox_changed), dp);
1493 gtk_signal_connect(GTK_OBJECT(uc->entry), "key_press_event",
1494 GTK_SIGNAL_FUNC(editbox_key), dp);
1495 gtk_signal_connect(GTK_OBJECT(uc->entry), "focus_in_event",
1496 GTK_SIGNAL_FUNC(widget_focus), dp);
1497 /*
1498 * Edit boxes, for some strange reason, have a minimum
1499 * width of 150 in GTK 1.2. We don't want this - we'd
1500 * rather the edit boxes acquired their natural width
1501 * from the column layout of the rest of the box.
1502 *
1503 * Also, while we're here, we'll squirrel away the
1504 * edit box height so we can use that to centre its
1505 * label vertically beside it.
1506 */
1507 gtk_widget_size_request(w, &req);
1508 gtk_widget_set_usize(w, 10, req.height);
1509
1510 if (ctrl->generic.label) {
1511 GtkWidget *label, *container;
1512
1513 label = gtk_label_new(ctrl->generic.label);
1514
1515 shortcut_add(scs, label, ctrl->editbox.shortcut,
1516 SHORTCUT_FOCUS, uc->entry);
1517
1518 container = columns_new(4);
1519 if (ctrl->editbox.percentwidth == 100) {
1520 columns_add(COLUMNS(container), label, 0, 1);
1521 columns_force_left_align(COLUMNS(container), label);
1522 columns_add(COLUMNS(container), w, 0, 1);
1523 } else {
1524 gint percentages[2];
1525 percentages[1] = ctrl->editbox.percentwidth;
1526 percentages[0] = 100 - ctrl->editbox.percentwidth;
1527 columns_set_cols(COLUMNS(container), 2, percentages);
1528 columns_add(COLUMNS(container), label, 0, 1);
1529 columns_force_left_align(COLUMNS(container), label);
1530 columns_add(COLUMNS(container), w, 1, 1);
1531 /* Centre the label vertically. */
1532 gtk_widget_set_usize(label, -1, req.height);
1533 gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
1534 }
1535 gtk_widget_show(label);
1536 gtk_widget_show(w);
1537
1538 w = container;
1539 uc->label = label;
1540 }
1541 gtk_signal_connect(GTK_OBJECT(uc->entry), "focus_out_event",
1542 GTK_SIGNAL_FUNC(editbox_lostfocus), dp);
1543 }
1544 break;
1545 case CTRL_FILESELECT:
1546 case CTRL_FONTSELECT:
1547 {
1548 GtkWidget *ww;
1549 GtkRequisition req;
1550 char *browsebtn =
1551 (ctrl->generic.type == CTRL_FILESELECT ?
1552 "Browse..." : "Change...");
1553
1554 gint percentages[] = { 75, 25 };
1555 w = columns_new(4);
1556 columns_set_cols(COLUMNS(w), 2, percentages);
1557
1558 if (ctrl->generic.label) {
1559 ww = gtk_label_new(ctrl->generic.label);
1560 columns_add(COLUMNS(w), ww, 0, 2);
1561 columns_force_left_align(COLUMNS(w), ww);
1562 gtk_widget_show(ww);
1563 shortcut_add(scs, ww,
1564 (ctrl->generic.type == CTRL_FILESELECT ?
1565 ctrl->fileselect.shortcut :
1566 ctrl->fontselect.shortcut),
1567 SHORTCUT_UCTRL, uc);
1568 uc->label = ww;
1569 }
1570
1571 uc->entry = ww = gtk_entry_new();
1572 gtk_widget_size_request(ww, &req);
1573 gtk_widget_set_usize(ww, 10, req.height);
1574 columns_add(COLUMNS(w), ww, 0, 1);
1575 gtk_widget_show(ww);
1576
1577 uc->button = ww = gtk_button_new_with_label(browsebtn);
1578 columns_add(COLUMNS(w), ww, 1, 1);
1579 gtk_widget_show(ww);
1580
1581 gtk_signal_connect(GTK_OBJECT(uc->entry), "key_press_event",
1582 GTK_SIGNAL_FUNC(editbox_key), dp);
1583 gtk_signal_connect(GTK_OBJECT(uc->entry), "changed",
1584 GTK_SIGNAL_FUNC(editbox_changed), dp);
1585 gtk_signal_connect(GTK_OBJECT(uc->entry), "focus_in_event",
1586 GTK_SIGNAL_FUNC(widget_focus), dp);
1587 gtk_signal_connect(GTK_OBJECT(uc->button), "focus_in_event",
1588 GTK_SIGNAL_FUNC(widget_focus), dp);
1589 gtk_signal_connect(GTK_OBJECT(ww), "clicked",
1590 GTK_SIGNAL_FUNC(filefont_clicked), dp);
1591 }
1592 break;
1593 case CTRL_LISTBOX:
1594 if (ctrl->listbox.height == 0) {
1595 uc->optmenu = w = gtk_option_menu_new();
1596 uc->menu = gtk_menu_new();
1597 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), uc->menu);
1598 gtk_object_set_data(GTK_OBJECT(uc->menu), "user-data",
1599 (gpointer)uc->optmenu);
1600 gtk_signal_connect(GTK_OBJECT(uc->optmenu), "focus_in_event",
1601 GTK_SIGNAL_FUNC(widget_focus), dp);
1602 } else {
1603 uc->list = gtk_list_new();
1604 if (ctrl->listbox.multisel == 2) {
1605 gtk_list_set_selection_mode(GTK_LIST(uc->list),
1606 GTK_SELECTION_EXTENDED);
1607 } else if (ctrl->listbox.multisel == 1) {
1608 gtk_list_set_selection_mode(GTK_LIST(uc->list),
1609 GTK_SELECTION_MULTIPLE);
1610 } else {
1611 gtk_list_set_selection_mode(GTK_LIST(uc->list),
1612 GTK_SELECTION_SINGLE);
1613 }
1614 w = gtk_scrolled_window_new(NULL, NULL);
1615 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(w),
1616 uc->list);
1617 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(w),
1618 GTK_POLICY_NEVER,
1619 GTK_POLICY_AUTOMATIC);
1620 uc->adj = gtk_scrolled_window_get_vadjustment
1621 (GTK_SCROLLED_WINDOW(w));
1622
1623 gtk_widget_show(uc->list);
1624 gtk_signal_connect(GTK_OBJECT(uc->list), "selection-changed",
1625 GTK_SIGNAL_FUNC(list_selchange), dp);
1626 gtk_signal_connect(GTK_OBJECT(uc->list), "focus_in_event",
1627 GTK_SIGNAL_FUNC(widget_focus), dp);
1628
1629 /*
1630 * Adjust the height of the scrolled window to the
1631 * minimum given by the height parameter.
1632 *
1633 * This piece of guesswork is a horrid hack based
1634 * on looking inside the GTK 1.2 sources
1635 * (specifically gtkviewport.c, which appears to be
1636 * the widget which provides the border around the
1637 * scrolling area). Anyone lets me know how I can
1638 * do this in a way which isn't at risk from GTK
1639 * upgrades, I'd be grateful.
1640 */
1641 {
1642 int edge = GTK_WIDGET(uc->list)->style->klass->ythickness;
1643 gtk_widget_set_usize(w, 10,
1644 2*edge + (ctrl->listbox.height *
1645 listitemheight));
1646 }
1647
1648 if (ctrl->listbox.draglist) {
1649 /*
1650 * GTK doesn't appear to make it easy to
1651 * implement a proper draggable list; so
1652 * instead I'm just going to have to put an Up
1653 * and a Down button to the right of the actual
1654 * list box. Ah well.
1655 */
1656 GtkWidget *cols, *button;
1657 static const gint percentages[2] = { 80, 20 };
1658
1659 cols = columns_new(4);
1660 columns_set_cols(COLUMNS(cols), 2, percentages);
1661 columns_add(COLUMNS(cols), w, 0, 1);
1662 gtk_widget_show(w);
1663 button = gtk_button_new_with_label("Up");
1664 columns_add(COLUMNS(cols), button, 1, 1);
1665 gtk_widget_show(button);
1666 gtk_signal_connect(GTK_OBJECT(button), "clicked",
1667 GTK_SIGNAL_FUNC(draglist_up), dp);
1668 gtk_signal_connect(GTK_OBJECT(button), "focus_in_event",
1669 GTK_SIGNAL_FUNC(widget_focus), dp);
1670 button = gtk_button_new_with_label("Down");
1671 columns_add(COLUMNS(cols), button, 1, 1);
1672 gtk_widget_show(button);
1673 gtk_signal_connect(GTK_OBJECT(button), "clicked",
1674 GTK_SIGNAL_FUNC(draglist_down), dp);
1675 gtk_signal_connect(GTK_OBJECT(button), "focus_in_event",
1676 GTK_SIGNAL_FUNC(widget_focus), dp);
1677
1678 w = cols;
1679 }
1680
1681 }
1682 if (ctrl->generic.label) {
1683 GtkWidget *label, *container;
1684
1685 label = gtk_label_new(ctrl->generic.label);
1686
1687 container = columns_new(4);
1688 if (ctrl->listbox.percentwidth == 100) {
1689 columns_add(COLUMNS(container), label, 0, 1);
1690 columns_force_left_align(COLUMNS(container), label);
1691 columns_add(COLUMNS(container), w, 0, 1);
1692 } else {
1693 gint percentages[2];
1694 percentages[1] = ctrl->listbox.percentwidth;
1695 percentages[0] = 100 - ctrl->listbox.percentwidth;
1696 columns_set_cols(COLUMNS(container), 2, percentages);
1697 columns_add(COLUMNS(container), label, 0, 1);
1698 columns_force_left_align(COLUMNS(container), label);
1699 columns_add(COLUMNS(container), w, 1, 1);
1700 }
1701 gtk_widget_show(label);
1702 gtk_widget_show(w);
1703 shortcut_add(scs, label, ctrl->listbox.shortcut,
1704 SHORTCUT_UCTRL, uc);
1705 w = container;
1706 uc->label = label;
1707 }
1708 break;
1709 case CTRL_TEXT:
1710 /*
1711 * Wrapping text widgets don't sit well with the GTK
1712 * layout model, in which widgets state a minimum size
1713 * and the whole window then adjusts to the smallest
1714 * size it can sensibly take given its contents. A
1715 * wrapping text widget _has_ no clear minimum size;
1716 * instead it has a range of possibilities. It can be
1717 * one line deep but 2000 wide, or two lines deep and
1718 * 1000 pixels, or three by 867, or four by 500 and so
1719 * on. It can be as short as you like provided you
1720 * don't mind it being wide, or as narrow as you like
1721 * provided you don't mind it being tall.
1722 *
1723 * Therefore, it fits very badly into the layout model.
1724 * Hence the only thing to do is pick a width and let
1725 * it choose its own number of lines. To do this I'm
1726 * going to cheat a little. All new wrapping text
1727 * widgets will be created with a minimal text content
1728 * "X"; then, after the rest of the dialog box is set
1729 * up and its size calculated, the text widgets will be
1730 * told their width and given their real text, which
1731 * will cause the size to be recomputed in the y
1732 * direction (because many of them will expand to more
1733 * than one line).
1734 */
1735 uc->text = w = gtk_label_new("X");
1736 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.0);
1737 gtk_label_set_line_wrap(GTK_LABEL(w), TRUE);
1738 uc->textsig =
1739 gtk_signal_connect(GTK_OBJECT(w), "size-allocate",
1740 GTK_SIGNAL_FUNC(label_sizealloc), dp);
1741 break;
1742 }
1743
1744 assert(w != NULL);
1745
1746 columns_add(cols, w,
1747 COLUMN_START(ctrl->generic.column),
1748 COLUMN_SPAN(ctrl->generic.column));
1749 if (left)
1750 columns_force_left_align(cols, w);
1751 gtk_widget_show(w);
1752
1753 uc->toplevel = w;
1754 dlg_add_uctrl(dp, uc);
1755 }
1756
1757 return ret;
1758 }
1759
1760 struct selparam {
1761 struct dlgparam *dp;
1762 GtkNotebook *panels;
1763 GtkWidget *panel, *treeitem;
1764 struct Shortcuts shortcuts;
1765 };
1766
1767 static void treeitem_sel(GtkItem *item, gpointer data)
1768 {
1769 struct selparam *sp = (struct selparam *)data;
1770 gint page_num;
1771
1772 page_num = gtk_notebook_page_num(sp->panels, sp->panel);
1773 gtk_notebook_set_page(sp->panels, page_num);
1774
1775 dlg_refresh(NULL, sp->dp);
1776
1777 sp->dp->shortcuts = &sp->shortcuts;
1778 sp->dp->currtreeitem = sp->treeitem;
1779 }
1780
1781 static void window_destroy(GtkWidget *widget, gpointer data)
1782 {
1783 gtk_main_quit();
1784 }
1785
1786 static int tree_grab_focus(struct dlgparam *dp)
1787 {
1788 int i, f;
1789
1790 /*
1791 * See if any of the treeitems has the focus.
1792 */
1793 f = -1;
1794 for (i = 0; i < dp->ntreeitems; i++)
1795 if (GTK_WIDGET_HAS_FOCUS(dp->treeitems[i])) {
1796 f = i;
1797 break;
1798 }
1799
1800 if (f >= 0)
1801 return FALSE;
1802 else {
1803 gtk_widget_grab_focus(dp->currtreeitem);
1804 return TRUE;
1805 }
1806 }
1807
1808 gint tree_focus(GtkContainer *container, GtkDirectionType direction,
1809 gpointer data)
1810 {
1811 struct dlgparam *dp = (struct dlgparam *)data;
1812
1813 gtk_signal_emit_stop_by_name(GTK_OBJECT(container), "focus");
1814 /*
1815 * If there's a focused treeitem, we return FALSE to cause the
1816 * focus to move on to some totally other control. If not, we
1817 * focus the selected one.
1818 */
1819 return tree_grab_focus(dp);
1820 }
1821
1822 int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1823 {
1824 struct dlgparam *dp = (struct dlgparam *)data;
1825
1826 if (event->keyval == GDK_Escape && dp->cancelbutton) {
1827 gtk_signal_emit_by_name(GTK_OBJECT(dp->cancelbutton), "clicked");
1828 return TRUE;
1829 }
1830
1831 if ((event->state & GDK_MOD1_MASK) &&
1832 (unsigned char)event->string[0] > 0 &&
1833 (unsigned char)event->string[0] <= 127) {
1834 int schr = (unsigned char)event->string[0];
1835 struct Shortcut *sc = &dp->shortcuts->sc[schr];
1836
1837 switch (sc->action) {
1838 case SHORTCUT_TREE:
1839 tree_grab_focus(dp);
1840 break;
1841 case SHORTCUT_FOCUS:
1842 gtk_widget_grab_focus(sc->widget);
1843 break;
1844 case SHORTCUT_UCTRL:
1845 /*
1846 * We must do something sensible with a uctrl.
1847 * Precisely what this is depends on the type of
1848 * control.
1849 */
1850 switch (sc->uc->ctrl->generic.type) {
1851 case CTRL_CHECKBOX:
1852 case CTRL_BUTTON:
1853 /* Check boxes and buttons get the focus _and_ get toggled. */
1854 gtk_widget_grab_focus(sc->uc->toplevel);
1855 gtk_signal_emit_by_name(GTK_OBJECT(sc->uc->toplevel),
1856 "clicked");
1857 break;
1858 case CTRL_FILESELECT:
1859 case CTRL_FONTSELECT:
1860 /* File/font selectors have their buttons pressed (ooer),
1861 * and focus transferred to the edit box. */
1862 gtk_signal_emit_by_name(GTK_OBJECT(sc->uc->button),
1863 "clicked");
1864 gtk_widget_grab_focus(sc->uc->entry);
1865 break;
1866 case CTRL_RADIO:
1867 /*
1868 * Radio buttons are fun, because they have
1869 * multiple shortcuts. We must find whether the
1870 * activated shortcut is the shortcut for the whole
1871 * group, or for a particular button. In the former
1872 * case, we find the currently selected button and
1873 * focus it; in the latter, we focus-and-click the
1874 * button whose shortcut was pressed.
1875 */
1876 if (schr == sc->uc->ctrl->radio.shortcut) {
1877 int i;
1878 for (i = 0; i < sc->uc->ctrl->radio.nbuttons; i++)
1879 if (gtk_toggle_button_get_active
1880 (GTK_TOGGLE_BUTTON(sc->uc->buttons[i]))) {
1881 gtk_widget_grab_focus(sc->uc->buttons[i]);
1882 }
1883 } else if (sc->uc->ctrl->radio.shortcuts) {
1884 int i;
1885 for (i = 0; i < sc->uc->ctrl->radio.nbuttons; i++)
1886 if (schr == sc->uc->ctrl->radio.shortcuts[i]) {
1887 gtk_widget_grab_focus(sc->uc->buttons[i]);
1888 gtk_signal_emit_by_name
1889 (GTK_OBJECT(sc->uc->buttons[i]), "clicked");
1890 }
1891 }
1892 break;
1893 case CTRL_LISTBOX:
1894 /*
1895 * If the list is really an option menu, we focus
1896 * and click it. Otherwise we tell it to focus one
1897 * of its children, which appears to do the Right
1898 * Thing.
1899 */
1900 if (sc->uc->optmenu) {
1901 GdkEventButton bev;
1902 gint returnval;
1903
1904 gtk_widget_grab_focus(sc->uc->optmenu);
1905 /* Option menus don't work using the "clicked" signal.
1906 * We need to manufacture a button press event :-/ */
1907 bev.type = GDK_BUTTON_PRESS;
1908 bev.button = 1;
1909 gtk_signal_emit_by_name(GTK_OBJECT(sc->uc->optmenu),
1910 "button_press_event",
1911 &bev, &returnval);
1912 } else {
1913 assert(sc->uc->list != NULL);
1914
1915 gtk_container_focus(GTK_CONTAINER(sc->uc->list),
1916 GTK_DIR_TAB_FORWARD);
1917 }
1918 break;
1919 }
1920 break;
1921 }
1922 }
1923
1924 return FALSE;
1925 }
1926
1927 int tree_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1928 {
1929 struct dlgparam *dp = (struct dlgparam *)data;
1930
1931 if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
1932 event->keyval == GDK_Down || event->keyval == GDK_KP_Down) {
1933 int dir, i, j = -1;
1934 for (i = 0; i < dp->ntreeitems; i++)
1935 if (widget == dp->treeitems[i])
1936 break;
1937 if (i < dp->ntreeitems) {
1938 if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
1939 dir = -1;
1940 else
1941 dir = +1;
1942
1943 while (1) {
1944 i += dir;
1945 if (i < 0 || i >= dp->ntreeitems)
1946 break; /* nothing in that dir to select */
1947 /*
1948 * Determine if this tree item is visible.
1949 */
1950 {
1951 GtkWidget *w = dp->treeitems[i];
1952 int vis = TRUE;
1953 while (w && (GTK_IS_TREE_ITEM(w) || GTK_IS_TREE(w))) {
1954 if (!GTK_WIDGET_VISIBLE(w)) {
1955 vis = FALSE;
1956 break;
1957 }
1958 w = w->parent;
1959 }
1960 if (vis) {
1961 j = i; /* got one */
1962 break;
1963 }
1964 }
1965 }
1966 }
1967 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget),
1968 "key_press_event");
1969 if (j >= 0) {
1970 gtk_signal_emit_by_name(GTK_OBJECT(dp->treeitems[j]), "toggle");
1971 gtk_widget_grab_focus(dp->treeitems[j]);
1972 }
1973 return TRUE;
1974 }
1975
1976 /*
1977 * It's nice for Left and Right to expand and collapse tree
1978 * branches.
1979 */
1980 if (event->keyval == GDK_Left || event->keyval == GDK_KP_Left) {
1981 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget),
1982 "key_press_event");
1983 gtk_tree_item_collapse(GTK_TREE_ITEM(widget));
1984 return TRUE;
1985 }
1986 if (event->keyval == GDK_Right || event->keyval == GDK_KP_Right) {
1987 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget),
1988 "key_press_event");
1989 gtk_tree_item_expand(GTK_TREE_ITEM(widget));
1990 return TRUE;
1991 }
1992
1993 return FALSE;
1994 }
1995
1996 static void shortcut_highlight(GtkWidget *labelw, int chr)
1997 {
1998 GtkLabel *label = GTK_LABEL(labelw);
1999 gchar *currstr, *pattern;
2000 int i;
2001
2002 gtk_label_get(label, &currstr);
2003 for (i = 0; currstr[i]; i++)
2004 if (tolower((unsigned char)currstr[i]) == chr) {
2005 GtkRequisition req;
2006
2007 pattern = dupprintf("%*s_", i, "");
2008
2009 gtk_widget_size_request(GTK_WIDGET(label), &req);
2010 gtk_label_set_pattern(label, pattern);
2011 gtk_widget_set_usize(GTK_WIDGET(label), -1, req.height);
2012
2013 sfree(pattern);
2014 break;
2015 }
2016 }
2017
2018 void shortcut_add(struct Shortcuts *scs, GtkWidget *labelw,
2019 int chr, int action, void *ptr)
2020 {
2021 if (chr == NO_SHORTCUT)
2022 return;
2023
2024 chr = tolower((unsigned char)chr);
2025
2026 assert(scs->sc[chr].action == SHORTCUT_EMPTY);
2027
2028 scs->sc[chr].action = action;
2029
2030 if (action == SHORTCUT_FOCUS) {
2031 scs->sc[chr].uc = NULL;
2032 scs->sc[chr].widget = (GtkWidget *)ptr;
2033 } else {
2034 scs->sc[chr].widget = NULL;
2035 scs->sc[chr].uc = (struct uctrl *)ptr;
2036 }
2037
2038 shortcut_highlight(labelw, chr);
2039 }
2040
2041 int get_listitemheight(void)
2042 {
2043 GtkWidget *listitem = gtk_list_item_new_with_label("foo");
2044 GtkRequisition req;
2045 gtk_widget_size_request(listitem, &req);
2046 gtk_widget_unref(listitem);
2047 return req.height;
2048 }
2049
2050 int do_config_box(const char *title, Config *cfg, int midsession,
2051 int protcfginfo)
2052 {
2053 GtkWidget *window, *hbox, *vbox, *cols, *label,
2054 *tree, *treescroll, *panels, *panelvbox;
2055 int index, level, listitemheight;
2056 struct controlbox *ctrlbox;
2057 char *path;
2058 GtkTreeItem *treeitemlevels[8];
2059 GtkTree *treelevels[8];
2060 struct dlgparam dp;
2061 struct Shortcuts scs;
2062
2063 struct selparam *selparams = NULL;
2064 int nselparams = 0, selparamsize = 0;
2065
2066 dlg_init(&dp);
2067
2068 listitemheight = get_listitemheight();
2069
2070 for (index = 0; index < lenof(scs.sc); index++) {
2071 scs.sc[index].action = SHORTCUT_EMPTY;
2072 }
2073
2074 window = gtk_dialog_new();
2075
2076 ctrlbox = ctrl_new_box();
2077 setup_config_box(ctrlbox, midsession, cfg->protocol, protcfginfo);
2078 unix_setup_config_box(ctrlbox, midsession, cfg->protocol);
2079 gtk_setup_config_box(ctrlbox, midsession, window);
2080
2081 gtk_window_set_title(GTK_WINDOW(window), title);
2082 hbox = gtk_hbox_new(FALSE, 4);
2083 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox), hbox, TRUE, TRUE, 0);
2084 gtk_container_set_border_width(GTK_CONTAINER(hbox), 10);
2085 gtk_widget_show(hbox);
2086 vbox = gtk_vbox_new(FALSE, 4);
2087 gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
2088 gtk_widget_show(vbox);
2089 cols = columns_new(4);
2090 gtk_box_pack_start(GTK_BOX(vbox), cols, FALSE, FALSE, 0);
2091 gtk_widget_show(cols);
2092 label = gtk_label_new("Category:");
2093 columns_add(COLUMNS(cols), label, 0, 1);
2094 columns_force_left_align(COLUMNS(cols), label);
2095 gtk_widget_show(label);
2096 treescroll = gtk_scrolled_window_new(NULL, NULL);
2097 tree = gtk_tree_new();
2098 gtk_signal_connect(GTK_OBJECT(tree), "focus_in_event",
2099 GTK_SIGNAL_FUNC(widget_focus), &dp);
2100 shortcut_add(&scs, label, 'g', SHORTCUT_TREE, tree);
2101 gtk_tree_set_view_mode(GTK_TREE(tree), GTK_TREE_VIEW_ITEM);
2102 gtk_tree_set_selection_mode(GTK_TREE(tree), GTK_SELECTION_BROWSE);
2103 gtk_signal_connect(GTK_OBJECT(tree), "focus",
2104 GTK_SIGNAL_FUNC(tree_focus), &dp);
2105 gtk_widget_show(treescroll);
2106 gtk_box_pack_start(GTK_BOX(vbox), treescroll, TRUE, TRUE, 0);
2107 panels = gtk_notebook_new();
2108 gtk_notebook_set_show_tabs(GTK_NOTEBOOK(panels), FALSE);
2109 gtk_notebook_set_show_border(GTK_NOTEBOOK(panels), FALSE);
2110 gtk_box_pack_start(GTK_BOX(hbox), panels, TRUE, TRUE, 0);
2111 gtk_widget_show(panels);
2112
2113 panelvbox = NULL;
2114 path = NULL;
2115 level = 0;
2116 for (index = 0; index < ctrlbox->nctrlsets; index++) {
2117 struct controlset *s = ctrlbox->ctrlsets[index];
2118 GtkWidget *w;
2119
2120 if (!*s->pathname) {
2121 w = layout_ctrls(&dp, &scs, s, listitemheight, GTK_WINDOW(window));
2122 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->action_area),
2123 w, TRUE, TRUE, 0);
2124 } else {
2125 int j = path ? ctrl_path_compare(s->pathname, path) : 0;
2126 if (j != INT_MAX) { /* add to treeview, start new panel */
2127 char *c;
2128 GtkWidget *treeitem;
2129 int first;
2130
2131 /*
2132 * We expect never to find an implicit path
2133 * component. For example, we expect never to see
2134 * A/B/C followed by A/D/E, because that would
2135 * _implicitly_ create A/D. All our path prefixes
2136 * are expected to contain actual controls and be
2137 * selectable in the treeview; so we would expect
2138 * to see A/D _explicitly_ before encountering
2139 * A/D/E.
2140 */
2141 assert(j == ctrl_path_elements(s->pathname) - 1);
2142
2143 c = strrchr(s->pathname, '/');
2144 if (!c)
2145 c = s->pathname;
2146 else
2147 c++;
2148
2149 treeitem = gtk_tree_item_new_with_label(c);
2150 assert(j-1 < level);
2151 if (j > 0) {
2152 if (!treelevels[j-1]) {
2153 treelevels[j-1] = GTK_TREE(gtk_tree_new());
2154 gtk_tree_item_set_subtree
2155 (treeitemlevels[j-1],
2156 GTK_WIDGET(treelevels[j-1]));
2157 if (j < 2)
2158 gtk_tree_item_expand(treeitemlevels[j-1]);
2159 else
2160 gtk_tree_item_collapse(treeitemlevels[j-1]);
2161 }
2162 gtk_tree_append(treelevels[j-1], treeitem);
2163 } else {
2164 gtk_tree_append(GTK_TREE(tree), treeitem);
2165 }
2166 treeitemlevels[j] = GTK_TREE_ITEM(treeitem);
2167 treelevels[j] = NULL;
2168 level = j+1;
2169
2170 gtk_signal_connect(GTK_OBJECT(treeitem), "key_press_event",
2171 GTK_SIGNAL_FUNC(tree_key_press), &dp);
2172 gtk_signal_connect(GTK_OBJECT(treeitem), "focus_in_event",
2173 GTK_SIGNAL_FUNC(widget_focus), &dp);
2174
2175 gtk_widget_show(treeitem);
2176
2177 path = s->pathname;
2178
2179 first = (panelvbox == NULL);
2180
2181 panelvbox = gtk_vbox_new(FALSE, 4);
2182 gtk_widget_show(panelvbox);
2183 gtk_notebook_append_page(GTK_NOTEBOOK(panels), panelvbox,
2184 NULL);
2185 if (first) {
2186 gint page_num;
2187
2188 page_num = gtk_notebook_page_num(GTK_NOTEBOOK(panels),
2189 panelvbox);
2190 gtk_notebook_set_page(GTK_NOTEBOOK(panels), page_num);
2191 gtk_tree_select_child(GTK_TREE(tree), treeitem);
2192 }
2193
2194 if (nselparams >= selparamsize) {
2195 selparamsize += 16;
2196 selparams = sresize(selparams, selparamsize,
2197 struct selparam);
2198 }
2199 selparams[nselparams].dp = &dp;
2200 selparams[nselparams].panels = GTK_NOTEBOOK(panels);
2201 selparams[nselparams].panel = panelvbox;
2202 selparams[nselparams].shortcuts = scs; /* structure copy */
2203 selparams[nselparams].treeitem = treeitem;
2204 nselparams++;
2205
2206 }
2207
2208 w = layout_ctrls(&dp,
2209 &selparams[nselparams-1].shortcuts,
2210 s, listitemheight, NULL);
2211 gtk_box_pack_start(GTK_BOX(panelvbox), w, FALSE, FALSE, 0);
2212 gtk_widget_show(w);
2213 }
2214 }
2215
2216 dp.ntreeitems = nselparams;
2217 dp.treeitems = snewn(dp.ntreeitems, GtkWidget *);
2218
2219 for (index = 0; index < nselparams; index++) {
2220 gtk_signal_connect(GTK_OBJECT(selparams[index].treeitem), "select",
2221 GTK_SIGNAL_FUNC(treeitem_sel),
2222 &selparams[index]);
2223 dp.treeitems[index] = selparams[index].treeitem;
2224 }
2225
2226 dp.data = cfg;
2227 dlg_refresh(NULL, &dp);
2228
2229 dp.shortcuts = &selparams[0].shortcuts;
2230 dp.currtreeitem = dp.treeitems[0];
2231 dp.lastfocus = NULL;
2232 dp.retval = 0;
2233 dp.window = window;
2234
2235 {
2236 /* in gtkwin.c */
2237 extern void set_window_icon(GtkWidget *window,
2238 const char *const *const *icon,
2239 int n_icon);
2240 extern const char *const *const cfg_icon[];
2241 extern const int n_cfg_icon;
2242 set_window_icon(window, cfg_icon, n_cfg_icon);
2243 }
2244
2245 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(treescroll),
2246 tree);
2247 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(treescroll),
2248 GTK_POLICY_NEVER,
2249 GTK_POLICY_AUTOMATIC);
2250 gtk_widget_show(tree);
2251
2252 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
2253 gtk_widget_show(window);
2254
2255 /*
2256 * Set focus into the first available control.
2257 */
2258 for (index = 0; index < ctrlbox->nctrlsets; index++) {
2259 struct controlset *s = ctrlbox->ctrlsets[index];
2260 int done = 0;
2261 int j;
2262
2263 if (*s->pathname) {
2264 for (j = 0; j < s->ncontrols; j++)
2265 if (s->ctrls[j]->generic.type != CTRL_TABDELAY &&
2266 s->ctrls[j]->generic.type != CTRL_COLUMNS &&
2267 s->ctrls[j]->generic.type != CTRL_TEXT) {
2268 dlg_set_focus(s->ctrls[j], &dp);
2269 dp.lastfocus = s->ctrls[j];
2270 done = 1;
2271 break;
2272 }
2273 }
2274 if (done)
2275 break;
2276 }
2277
2278 gtk_signal_connect(GTK_OBJECT(window), "destroy",
2279 GTK_SIGNAL_FUNC(window_destroy), NULL);
2280 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
2281 GTK_SIGNAL_FUNC(win_key_press), &dp);
2282
2283 gtk_main();
2284
2285 dlg_cleanup(&dp);
2286 sfree(selparams);
2287
2288 return dp.retval;
2289 }
2290
2291 static void messagebox_handler(union control *ctrl, void *dlg,
2292 void *data, int event)
2293 {
2294 if (event == EVENT_ACTION)
2295 dlg_end(dlg, ctrl->generic.context.i);
2296 }
2297 int messagebox(GtkWidget *parentwin, char *title, char *msg, int minwid, ...)
2298 {
2299 GtkWidget *window, *w0, *w1;
2300 struct controlbox *ctrlbox;
2301 struct controlset *s0, *s1;
2302 union control *c;
2303 struct dlgparam dp;
2304 struct Shortcuts scs;
2305 int index, ncols;
2306 va_list ap;
2307
2308 dlg_init(&dp);
2309
2310 for (index = 0; index < lenof(scs.sc); index++) {
2311 scs.sc[index].action = SHORTCUT_EMPTY;
2312 }
2313
2314 ctrlbox = ctrl_new_box();
2315
2316 ncols = 0;
2317 va_start(ap, minwid);
2318 while (va_arg(ap, char *) != NULL) {
2319 ncols++;
2320 (void) va_arg(ap, int); /* shortcut */
2321 (void) va_arg(ap, int); /* normal/default/cancel */
2322 (void) va_arg(ap, int); /* end value */
2323 }
2324 va_end(ap);
2325
2326 s0 = ctrl_getset(ctrlbox, "", "", "");
2327 c = ctrl_columns(s0, 2, 50, 50);
2328 c->columns.ncols = s0->ncolumns = ncols;
2329 c->columns.percentages = sresize(c->columns.percentages, ncols, int);
2330 for (index = 0; index < ncols; index++)
2331 c->columns.percentages[index] = (index+1)*100/ncols - index*100/ncols;
2332 va_start(ap, minwid);
2333 index = 0;
2334 while (1) {
2335 char *title = va_arg(ap, char *);
2336 int shortcut, type, value;
2337 if (title == NULL)
2338 break;
2339 shortcut = va_arg(ap, int);
2340 type = va_arg(ap, int);
2341 value = va_arg(ap, int);
2342 c = ctrl_pushbutton(s0, title, shortcut, HELPCTX(no_help),
2343 messagebox_handler, I(value));
2344 c->generic.column = index++;
2345 if (type > 0)
2346 c->button.isdefault = TRUE;
2347 else if (type < 0)
2348 c->button.iscancel = TRUE;
2349 }
2350 va_end(ap);
2351
2352 s1 = ctrl_getset(ctrlbox, "x", "", "");
2353 ctrl_text(s1, msg, HELPCTX(no_help));
2354
2355 window = gtk_dialog_new();
2356 gtk_window_set_title(GTK_WINDOW(window), title);
2357 w0 = layout_ctrls(&dp, &scs, s0, 0, GTK_WINDOW(window));
2358 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->action_area),
2359 w0, TRUE, TRUE, 0);
2360 gtk_widget_show(w0);
2361 w1 = layout_ctrls(&dp, &scs, s1, 0, GTK_WINDOW(window));
2362 gtk_container_set_border_width(GTK_CONTAINER(w1), 10);
2363 gtk_widget_set_usize(w1, minwid+20, -1);
2364 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
2365 w1, TRUE, TRUE, 0);
2366 gtk_widget_show(w1);
2367
2368 dp.shortcuts = &scs;
2369 dp.lastfocus = NULL;
2370 dp.retval = 0;
2371 dp.window = window;
2372
2373 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
2374 if (parentwin) {
2375 set_transient_window_pos(parentwin, window);
2376 gtk_window_set_transient_for(GTK_WINDOW(window),
2377 GTK_WINDOW(parentwin));
2378 } else
2379 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
2380 gtk_widget_show(window);
2381
2382 gtk_signal_connect(GTK_OBJECT(window), "destroy",
2383 GTK_SIGNAL_FUNC(window_destroy), NULL);
2384 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
2385 GTK_SIGNAL_FUNC(win_key_press), &dp);
2386
2387 gtk_main();
2388
2389 dlg_cleanup(&dp);
2390 ctrl_free_box(ctrlbox);
2391
2392 return dp.retval;
2393 }
2394
2395 static int string_width(char *text)
2396 {
2397 GtkWidget *label = gtk_label_new(text);
2398 GtkRequisition req;
2399 gtk_widget_size_request(label, &req);
2400 gtk_widget_unref(label);
2401 return req.width;
2402 }
2403
2404 int reallyclose(void *frontend)
2405 {
2406 char *title = dupcat(appname, " Exit Confirmation", NULL);
2407 int ret = messagebox(GTK_WIDGET(get_window(frontend)),
2408 title, "Are you sure you want to close this session?",
2409 string_width("Most of the width of the above text"),
2410 "Yes", 'y', +1, 1,
2411 "No", 'n', -1, 0,
2412 NULL);
2413 sfree(title);
2414 return ret;
2415 }
2416
2417 int verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
2418 char *keystr, char *fingerprint,
2419 void (*callback)(void *ctx, int result), void *ctx)
2420 {
2421 static const char absenttxt[] =
2422 "The server's host key is not cached. You have no guarantee "
2423 "that the server is the computer you think it is.\n"
2424 "The server's %s key fingerprint is:\n"
2425 "%s\n"
2426 "If you trust this host, press \"Accept\" to add the key to "
2427 "PuTTY's cache and carry on connecting.\n"
2428 "If you want to carry on connecting just once, without "
2429 "adding the key to the cache, press \"Connect Once\".\n"
2430 "If you do not trust this host, press \"Cancel\" to abandon the "
2431 "connection.";
2432 static const char wrongtxt[] =
2433 "WARNING - POTENTIAL SECURITY BREACH!\n"
2434 "The server's host key does not match the one PuTTY has "
2435 "cached. This means that either the server administrator "
2436 "has changed the host key, or you have actually connected "
2437 "to another computer pretending to be the server.\n"
2438 "The new %s key fingerprint is:\n"
2439 "%s\n"
2440 "If you were expecting this change and trust the new key, "
2441 "press \"Accept\" to update PuTTY's cache and continue connecting.\n"
2442 "If you want to carry on connecting but without updating "
2443 "the cache, press \"Connect Once\".\n"
2444 "If you want to abandon the connection completely, press "
2445 "\"Cancel\" to cancel. Pressing \"Cancel\" is the ONLY guaranteed "
2446 "safe choice.";
2447 char *text;
2448 int ret;
2449
2450 /*
2451 * Verify the key.
2452 */
2453 ret = verify_host_key(host, port, keytype, keystr);
2454
2455 if (ret == 0) /* success - key matched OK */
2456 return 1;
2457
2458 text = dupprintf((ret == 2 ? wrongtxt : absenttxt), keytype, fingerprint);
2459
2460 ret = messagebox(GTK_WIDGET(get_window(frontend)),
2461 "PuTTY Security Alert", text,
2462 string_width(fingerprint),
2463 "Accept", 'a', 0, 2,
2464 "Connect Once", 'o', 0, 1,
2465 "Cancel", 'c', -1, 0,
2466 NULL);
2467
2468 sfree(text);
2469
2470 if (ret == 2) {
2471 store_host_key(host, port, keytype, keystr);
2472 return 1; /* continue with connection */
2473 } else if (ret == 1)
2474 return 1; /* continue with connection */
2475 return 0; /* do not continue with connection */
2476 }
2477
2478 /*
2479 * Ask whether the selected algorithm is acceptable (since it was
2480 * below the configured 'warn' threshold).
2481 */
2482 int askalg(void *frontend, const char *algtype, const char *algname,
2483 void (*callback)(void *ctx, int result), void *ctx)
2484 {
2485 static const char msg[] =
2486 "The first %s supported by the server is "
2487 "%s, which is below the configured warning threshold.\n"
2488 "Continue with connection?";
2489 char *text;
2490 int ret;
2491
2492 text = dupprintf(msg, algtype, algname);
2493 ret = messagebox(GTK_WIDGET(get_window(frontend)),
2494 "PuTTY Security Alert", text,
2495 string_width("Continue with connection?"),
2496 "Yes", 'y', 0, 1,
2497 "No", 'n', 0, 0,
2498 NULL);
2499 sfree(text);
2500
2501 if (ret) {
2502 return 1;
2503 } else {
2504 return 0;
2505 }
2506 }
2507
2508 void old_keyfile_warning(void)
2509 {
2510 /*
2511 * This should never happen on Unix. We hope.
2512 */
2513 }
2514
2515 void fatal_message_box(void *window, char *msg)
2516 {
2517 messagebox(window, "PuTTY Fatal Error", msg,
2518 string_width("REASONABLY LONG LINE OF TEXT FOR BASIC SANITY"),
2519 "OK", 'o', 1, 1, NULL);
2520 }
2521
2522 void fatalbox(char *p, ...)
2523 {
2524 va_list ap;
2525 char *msg;
2526 va_start(ap, p);
2527 msg = dupvprintf(p, ap);
2528 va_end(ap);
2529 fatal_message_box(NULL, msg);
2530 sfree(msg);
2531 cleanup_exit(1);
2532 }
2533
2534 static GtkWidget *aboutbox = NULL;
2535
2536 static void about_close_clicked(GtkButton *button, gpointer data)
2537 {
2538 gtk_widget_destroy(aboutbox);
2539 aboutbox = NULL;
2540 }
2541
2542 static void licence_clicked(GtkButton *button, gpointer data)
2543 {
2544 char *title;
2545
2546 char *licence =
2547 "Copyright 1997-2008 Simon Tatham.\n\n"
2548
2549 "Portions copyright Robert de Bath, Joris van Rantwijk, Delian "
2550 "Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas "
2551 "Barry, Justin Bradford, Ben Harris, Malcolm Smith, Ahmad Khalifa, "
2552 "Markus Kuhn, and CORE SDI S.A.\n\n"
2553
2554 "Permission is hereby granted, free of charge, to any person "
2555 "obtaining a copy of this software and associated documentation "
2556 "files (the ""Software""), to deal in the Software without restriction, "
2557 "including without limitation the rights to use, copy, modify, merge, "
2558 "publish, distribute, sublicense, and/or sell copies of the Software, "
2559 "and to permit persons to whom the Software is furnished to do so, "
2560 "subject to the following conditions:\n\n"
2561
2562 "The above copyright notice and this permission notice shall be "
2563 "included in all copies or substantial portions of the Software.\n\n"
2564
2565 "THE SOFTWARE IS PROVIDED ""AS IS"", WITHOUT "
2566 "WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, "
2567 "INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF "
2568 "MERCHANTABILITY, FITNESS FOR A PARTICULAR "
2569 "PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE "
2570 "COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES "
2571 "OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, "
2572 "TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN "
2573 "CONNECTION WITH THE SOFTWARE OR THE USE OR "
2574 "OTHER DEALINGS IN THE SOFTWARE.";
2575
2576 title = dupcat(appname, " Licence", NULL);
2577 assert(aboutbox != NULL);
2578 messagebox(aboutbox, title, licence,
2579 string_width("LONGISH LINE OF TEXT SO THE LICENCE"
2580 " BOX ISN'T EXCESSIVELY TALL AND THIN"),
2581 "OK", 'o', 1, 1, NULL);
2582 sfree(title);
2583 }
2584
2585 void about_box(void *window)
2586 {
2587 GtkWidget *w;
2588 char *title;
2589
2590 if (aboutbox) {
2591 gtk_widget_grab_focus(aboutbox);
2592 return;
2593 }
2594
2595 aboutbox = gtk_dialog_new();
2596 gtk_container_set_border_width(GTK_CONTAINER(aboutbox), 10);
2597 title = dupcat("About ", appname, NULL);
2598 gtk_window_set_title(GTK_WINDOW(aboutbox), title);
2599 sfree(title);
2600
2601 w = gtk_button_new_with_label("Close");
2602 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
2603 gtk_window_set_default(GTK_WINDOW(aboutbox), w);
2604 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(aboutbox)->action_area),
2605 w, FALSE, FALSE, 0);
2606 gtk_signal_connect(GTK_OBJECT(w), "clicked",
2607 GTK_SIGNAL_FUNC(about_close_clicked), NULL);
2608 gtk_widget_show(w);
2609
2610 w = gtk_button_new_with_label("View Licence");
2611 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
2612 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(aboutbox)->action_area),
2613 w, FALSE, FALSE, 0);
2614 gtk_signal_connect(GTK_OBJECT(w), "clicked",
2615 GTK_SIGNAL_FUNC(licence_clicked), NULL);
2616 gtk_widget_show(w);
2617
2618 w = gtk_label_new(appname);
2619 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(aboutbox)->vbox),
2620 w, FALSE, FALSE, 0);
2621 gtk_widget_show(w);
2622
2623 w = gtk_label_new(ver);
2624 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(aboutbox)->vbox),
2625 w, FALSE, FALSE, 5);
2626 gtk_widget_show(w);
2627
2628 w = gtk_label_new("Copyright 1997-2008 Simon Tatham. All rights reserved");
2629 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(aboutbox)->vbox),
2630 w, FALSE, FALSE, 5);
2631 gtk_widget_show(w);
2632
2633 set_transient_window_pos(GTK_WIDGET(window), aboutbox);
2634 gtk_widget_show(aboutbox);
2635 }
2636
2637 struct eventlog_stuff {
2638 GtkWidget *parentwin, *window;
2639 struct controlbox *eventbox;
2640 struct Shortcuts scs;
2641 struct dlgparam dp;
2642 union control *listctrl;
2643 char **events;
2644 int nevents, negsize;
2645 char *seldata;
2646 int sellen;
2647 int ignore_selchange;
2648 };
2649
2650 static void eventlog_destroy(GtkWidget *widget, gpointer data)
2651 {
2652 struct eventlog_stuff *es = (struct eventlog_stuff *)data;
2653
2654 es->window = NULL;
2655 sfree(es->seldata);
2656 dlg_cleanup(&es->dp);
2657 ctrl_free_box(es->eventbox);
2658 }
2659 static void eventlog_ok_handler(union control *ctrl, void *dlg,
2660 void *data, int event)
2661 {
2662 if (event == EVENT_ACTION)
2663 dlg_end(dlg, 0);
2664 }
2665 static void eventlog_list_handler(union control *ctrl, void *dlg,
2666 void *data, int event)
2667 {
2668 struct eventlog_stuff *es = (struct eventlog_stuff *)data;
2669
2670 if (event == EVENT_REFRESH) {
2671 int i;
2672
2673 dlg_update_start(ctrl, dlg);
2674 dlg_listbox_clear(ctrl, dlg);
2675 for (i = 0; i < es->nevents; i++) {
2676 dlg_listbox_add(ctrl, dlg, es->events[i]);
2677 }
2678 dlg_update_done(ctrl, dlg);
2679 } else if (event == EVENT_SELCHANGE) {
2680 int i;
2681 int selsize = 0;
2682
2683 /*
2684 * If this SELCHANGE event is happening as a result of
2685 * deliberate deselection because someone else has grabbed
2686 * the selection, the last thing we want to do is pre-empt
2687 * them.
2688 */
2689 if (es->ignore_selchange)
2690 return;
2691
2692 /*
2693 * Construct the data to use as the selection.
2694 */
2695 sfree(es->seldata);
2696 es->seldata = NULL;
2697 es->sellen = 0;
2698 for (i = 0; i < es->nevents; i++) {
2699 if (dlg_listbox_issel(ctrl, dlg, i)) {
2700 int extralen = strlen(es->events[i]);
2701
2702 if (es->sellen + extralen + 2 > selsize) {
2703 selsize = es->sellen + extralen + 512;
2704 es->seldata = sresize(es->seldata, selsize, char);
2705 }
2706
2707 strcpy(es->seldata + es->sellen, es->events[i]);
2708 es->sellen += extralen;
2709 es->seldata[es->sellen++] = '\n';
2710 }
2711 }
2712
2713 if (gtk_selection_owner_set(es->window, GDK_SELECTION_PRIMARY,
2714 GDK_CURRENT_TIME)) {
2715 extern GdkAtom compound_text_atom;
2716
2717 gtk_selection_add_target(es->window, GDK_SELECTION_PRIMARY,
2718 GDK_SELECTION_TYPE_STRING, 1);
2719 gtk_selection_add_target(es->window, GDK_SELECTION_PRIMARY,
2720 compound_text_atom, 1);
2721 }
2722
2723 }
2724 }
2725
2726 void eventlog_selection_get(GtkWidget *widget, GtkSelectionData *seldata,
2727 guint info, guint time_stamp, gpointer data)
2728 {
2729 struct eventlog_stuff *es = (struct eventlog_stuff *)data;
2730
2731 gtk_selection_data_set(seldata, seldata->target, 8,
2732 (unsigned char *)es->seldata, es->sellen);
2733 }
2734
2735 gint eventlog_selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
2736 gpointer data)
2737 {
2738 struct eventlog_stuff *es = (struct eventlog_stuff *)data;
2739 struct uctrl *uc;
2740
2741 /*
2742 * Deselect everything in the list box.
2743 */
2744 uc = dlg_find_byctrl(&es->dp, es->listctrl);
2745 es->ignore_selchange = 1;
2746 gtk_list_unselect_all(GTK_LIST(uc->list));
2747 es->ignore_selchange = 0;
2748
2749 sfree(es->seldata);
2750 es->sellen = 0;
2751 es->seldata = NULL;
2752 return TRUE;
2753 }
2754
2755 void showeventlog(void *estuff, void *parentwin)
2756 {
2757 struct eventlog_stuff *es = (struct eventlog_stuff *)estuff;
2758 GtkWidget *window, *w0, *w1;
2759 GtkWidget *parent = GTK_WIDGET(parentwin);
2760 struct controlset *s0, *s1;
2761 union control *c;
2762 int listitemheight, index;
2763 char *title;
2764
2765 if (es->window) {
2766 gtk_widget_grab_focus(es->window);
2767 return;
2768 }
2769
2770 dlg_init(&es->dp);
2771
2772 for (index = 0; index < lenof(es->scs.sc); index++) {
2773 es->scs.sc[index].action = SHORTCUT_EMPTY;
2774 }
2775
2776 es->eventbox = ctrl_new_box();
2777
2778 s0 = ctrl_getset(es->eventbox, "", "", "");
2779 ctrl_columns(s0, 3, 33, 34, 33);
2780 c = ctrl_pushbutton(s0, "Close", 'c', HELPCTX(no_help),
2781 eventlog_ok_handler, P(NULL));
2782 c->button.column = 1;
2783 c->button.isdefault = TRUE;
2784
2785 s1 = ctrl_getset(es->eventbox, "x", "", "");
2786 es->listctrl = c = ctrl_listbox(s1, NULL, NO_SHORTCUT, HELPCTX(no_help),
2787 eventlog_list_handler, P(es));
2788 c->listbox.height = 10;
2789 c->listbox.multisel = 2;
2790 c->listbox.ncols = 3;
2791 c->listbox.percentages = snewn(3, int);
2792 c->listbox.percentages[0] = 25;
2793 c->listbox.percentages[1] = 10;
2794 c->listbox.percentages[2] = 65;
2795
2796 listitemheight = get_listitemheight();
2797
2798 es->window = window = gtk_dialog_new();
2799 title = dupcat(appname, " Event Log", NULL);
2800 gtk_window_set_title(GTK_WINDOW(window), title);
2801 sfree(title);
2802 w0 = layout_ctrls(&es->dp, &es->scs, s0,
2803 listitemheight, GTK_WINDOW(window));
2804 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->action_area),
2805 w0, TRUE, TRUE, 0);
2806 gtk_widget_show(w0);
2807 w1 = layout_ctrls(&es->dp, &es->scs, s1,
2808 listitemheight, GTK_WINDOW(window));
2809 gtk_container_set_border_width(GTK_CONTAINER(w1), 10);
2810 gtk_widget_set_usize(w1, 20 +
2811 string_width("LINE OF TEXT GIVING WIDTH OF EVENT LOG"
2812 " IS QUITE LONG 'COS SSH LOG ENTRIES"
2813 " ARE WIDE"), -1);
2814 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
2815 w1, TRUE, TRUE, 0);
2816 gtk_widget_show(w1);
2817
2818 es->dp.data = es;
2819 es->dp.shortcuts = &es->scs;
2820 es->dp.lastfocus = NULL;
2821 es->dp.retval = 0;
2822 es->dp.window = window;
2823
2824 dlg_refresh(NULL, &es->dp);
2825
2826 if (parent) {
2827 set_transient_window_pos(parent, window);
2828 gtk_window_set_transient_for(GTK_WINDOW(window),
2829 GTK_WINDOW(parent));
2830 } else
2831 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
2832 gtk_widget_show(window);
2833
2834 gtk_signal_connect(GTK_OBJECT(window), "destroy",
2835 GTK_SIGNAL_FUNC(eventlog_destroy), es);
2836 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
2837 GTK_SIGNAL_FUNC(win_key_press), &es->dp);
2838 gtk_signal_connect(GTK_OBJECT(window), "selection_get",
2839 GTK_SIGNAL_FUNC(eventlog_selection_get), es);
2840 gtk_signal_connect(GTK_OBJECT(window), "selection_clear_event",
2841 GTK_SIGNAL_FUNC(eventlog_selection_clear), es);
2842 }
2843
2844 void *eventlogstuff_new(void)
2845 {
2846 struct eventlog_stuff *es;
2847 es = snew(struct eventlog_stuff);
2848 memset(es, 0, sizeof(*es));
2849 return es;
2850 }
2851
2852 void logevent_dlg(void *estuff, const char *string)
2853 {
2854 struct eventlog_stuff *es = (struct eventlog_stuff *)estuff;
2855
2856 char timebuf[40];
2857 struct tm tm;
2858
2859 if (es->nevents >= es->negsize) {
2860 es->negsize += 64;
2861 es->events = sresize(es->events, es->negsize, char *);
2862 }
2863
2864 tm=ltime();
2865 strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S\t", &tm);
2866
2867 es->events[es->nevents] = snewn(strlen(timebuf) + strlen(string) + 1, char);
2868 strcpy(es->events[es->nevents], timebuf);
2869 strcat(es->events[es->nevents], string);
2870 if (es->window) {
2871 dlg_listbox_add(es->listctrl, &es->dp, es->events[es->nevents]);
2872 }
2873 es->nevents++;
2874 }
2875
2876 int askappend(void *frontend, Filename filename,
2877 void (*callback)(void *ctx, int result), void *ctx)
2878 {
2879 static const char msgtemplate[] =
2880 "The session log file \"%.*s\" already exists. "
2881 "You can overwrite it with a new session log, "
2882 "append your session log to the end of it, "
2883 "or disable session logging for this session.";
2884 char *message;
2885 char *mbtitle;
2886 int mbret;
2887
2888 message = dupprintf(msgtemplate, FILENAME_MAX, filename.path);
2889 mbtitle = dupprintf("%s Log to File", appname);
2890
2891 mbret = messagebox(get_window(frontend), mbtitle, message,
2892 string_width("LINE OF TEXT SUITABLE FOR THE"
2893 " ASKAPPEND WIDTH"),
2894 "Overwrite", 'o', 1, 2,
2895 "Append", 'a', 0, 1,
2896 "Disable", 'd', -1, 0,
2897 NULL);
2898
2899 sfree(message);
2900 sfree(mbtitle);
2901
2902 return mbret;
2903 }
Local modifications for Simon Tatham's `PuTTY' SSH client and terminal emulator