Add a wrapper function to decode base64, returning a null-terminated string.
[claws.git] / src / gtk / gtkutils.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2013 Hiroyuki Yamamoto and the Claws Mail team
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 3 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
17  * 
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #include "claws-features.h"
23 #endif
24
25 #include <glib.h>
26 #include <glib/gi18n.h>
27 #include <gdk/gdkkeysyms.h>
28 #include <gdk/gdk.h>
29 #include <gtk/gtk.h>
30 #include "gtk/gtksctree.h"
31 #include <stdlib.h>
32 #include <stdarg.h>
33 #include <sys/stat.h>
34
35 #include "combobox.h"
36
37 #if HAVE_LIBCOMPFACE
38 #  include <compface.h>
39 #endif
40
41 #if HAVE_LIBCOMPFACE
42 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
43 #endif
44
45 #if (HAVE_WCTYPE_H && HAVE_WCHAR_H)
46 #  include <wchar.h>
47 #  include <wctype.h>
48 #endif
49
50 #include "defs.h"
51 #include "gtkutils.h"
52 #include "utils.h"
53 #include "gtksctree.h"
54 #include "codeconv.h"
55 #include "stock_pixmap.h"
56 #include "menu.h"
57 #include "prefs_account.h"
58 #include "prefs_common.h"
59 #include "manage_window.h"
60 #include "manual.h"
61 #include "combobox.h"
62
63 gboolean gtkut_get_font_size(GtkWidget *widget,
64                              gint *width, gint *height)
65 {
66         PangoLayout *layout;
67         const gchar *str = "Abcdef";
68
69         cm_return_val_if_fail(GTK_IS_WIDGET(widget), FALSE);
70
71         layout = gtk_widget_create_pango_layout(widget, str);
72         cm_return_val_if_fail(layout, FALSE);
73         pango_layout_get_pixel_size(layout, width, height);
74         if (width)
75                 *width = *width / g_utf8_strlen(str, -1);
76         g_object_unref(layout);
77
78         return TRUE;
79 }
80
81 void gtkut_widget_set_small_font_size(GtkWidget *widget)
82 {
83         PangoFontDescription *font_desc;
84         gint size;
85
86         cm_return_if_fail(widget != NULL);
87         cm_return_if_fail(gtk_widget_get_style(widget) != NULL);
88
89         if (prefs_common.derive_from_normal_font || !SMALL_FONT) {
90                 font_desc = pango_font_description_from_string(NORMAL_FONT);
91                 size = pango_font_description_get_size(font_desc);
92                 pango_font_description_set_size(font_desc, size * PANGO_SCALE_SMALL);
93                 gtk_widget_modify_font(widget, font_desc);
94                 pango_font_description_free(font_desc);
95         } else {
96                 font_desc = pango_font_description_from_string(SMALL_FONT);
97                 gtk_widget_modify_font(widget, font_desc);
98                 pango_font_description_free(font_desc);
99         }
100 }
101
102 void gtkut_convert_int_to_gdk_color(gint rgbvalue, GdkColor *color)
103 {
104         cm_return_if_fail(color != NULL);
105
106         color->pixel = 0L;
107         color->red   = (int) (((gdouble)((rgbvalue & 0xff0000) >> 16) / 255.0) * 65535.0);
108         color->green = (int) (((gdouble)((rgbvalue & 0x00ff00) >>  8) / 255.0) * 65535.0);
109         color->blue  = (int) (((gdouble) (rgbvalue & 0x0000ff)        / 255.0) * 65535.0);
110 }
111
112 #define CL(x)   (((gulong) (x) >> (gulong) 8) & 0xFFUL)
113 #define RGB_FROM_GDK_COLOR(c) \
114         ((CL(c->red)   << (gulong) 16) | \
115          (CL(c->green) << (gulong)  8) | \
116          (CL(c->blue)))
117
118 gint gtkut_convert_gdk_color_to_int(GdkColor *color)
119 {
120         return RGB_FROM_GDK_COLOR(color);
121 }
122
123 void gtkut_stock_button_add_help(GtkWidget *bbox, GtkWidget **help_btn)
124 {
125         cm_return_if_fail(bbox != NULL);
126
127         *help_btn = gtk_button_new_from_stock(GTK_STOCK_HELP);
128
129         gtkut_widget_set_can_default(*help_btn, TRUE);
130         gtk_box_pack_end(GTK_BOX (bbox), *help_btn, TRUE, TRUE, 0);
131         gtk_button_box_set_child_secondary(GTK_BUTTON_BOX (bbox),
132                         *help_btn, TRUE);
133         gtk_widget_set_sensitive(*help_btn,
134                         manual_available(MANUAL_MANUAL_CLAWS));
135         gtk_widget_show(*help_btn);
136 }
137
138 void gtkut_stock_button_set_create_with_help(GtkWidget **bbox,
139                 GtkWidget **help_button,
140                 GtkWidget **button1, const gchar *label1,
141                 GtkWidget **button2, const gchar *label2,
142                 GtkWidget **button3, const gchar *label3)
143 {
144         cm_return_if_fail(bbox != NULL);
145         cm_return_if_fail(button1 != NULL);
146
147         gtkut_stock_button_set_create(bbox, button1, label1,
148                         button2, label2, button3, label3);
149
150         gtkut_stock_button_add_help(*bbox, help_button);
151 }
152
153 void gtkut_stock_button_set_create(GtkWidget **bbox,
154                                    GtkWidget **button1, const gchar *label1,
155                                    GtkWidget **button2, const gchar *label2,
156                                    GtkWidget **button3, const gchar *label3)
157 {
158         cm_return_if_fail(bbox != NULL);
159         cm_return_if_fail(button1 != NULL);
160
161         *bbox = gtk_hbutton_box_new();
162         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
163         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
164
165         *button1 = gtk_button_new_from_stock(label1);
166         gtkut_widget_set_can_default(*button1, TRUE);
167         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
168         gtk_widget_show(*button1);
169
170         if (button2) {
171                 *button2 = gtk_button_new_from_stock(label2);
172                 gtkut_widget_set_can_default(*button2, TRUE);
173                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
174                 gtk_widget_show(*button2);
175         }
176
177         if (button3) {
178                 *button3 = gtk_button_new_from_stock(label3);
179                 gtkut_widget_set_can_default(*button3, TRUE);
180                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
181                 gtk_widget_show(*button3);
182         }
183 }
184
185 void gtkut_stock_with_text_button_set_create(GtkWidget **bbox,
186                                    GtkWidget **button1, const gchar *label1, const gchar *text1,
187                                    GtkWidget **button2, const gchar *label2, const gchar *text2,
188                                    GtkWidget **button3, const gchar *label3, const gchar *text3)
189 {
190         cm_return_if_fail(bbox != NULL);
191         cm_return_if_fail(button1 != NULL);
192
193         *bbox = gtk_hbutton_box_new();
194         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
195         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
196
197         *button1 = gtk_button_new_with_mnemonic(text1);
198         gtk_button_set_image(GTK_BUTTON(*button1),
199                 gtk_image_new_from_stock(label1, GTK_ICON_SIZE_BUTTON));
200         gtkut_widget_set_can_default(*button1, TRUE);
201         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
202         gtk_widget_show(*button1);
203
204         if (button2) {
205                 *button2 = gtk_button_new_with_mnemonic(text2);
206                 gtk_button_set_image(GTK_BUTTON(*button2),
207                         gtk_image_new_from_stock(label2, GTK_ICON_SIZE_BUTTON));
208                 gtkut_widget_set_can_default(*button2, TRUE);
209                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
210                 gtk_widget_show(*button2);
211         }
212
213         if (button3) {
214                 *button3 = gtk_button_new_with_mnemonic(text3);
215                 gtk_button_set_image(GTK_BUTTON(*button3),
216                         gtk_image_new_from_stock(label3, GTK_ICON_SIZE_BUTTON));
217                 gtkut_widget_set_can_default(*button3, TRUE);
218                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
219                 gtk_widget_show(*button3);
220         }
221 }
222
223 #define CELL_SPACING 1
224 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
225                                     (((row) + 1) * CELL_SPACING) + \
226                                     (clist)->voffset)
227 #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
228                                    ((clist)->row_height + CELL_SPACING))
229
230 void gtkut_ctree_node_move_if_on_the_edge(GtkCMCTree *ctree, GtkCMCTreeNode *node, gint _row)
231 {
232         GtkCMCList *clist = GTK_CMCLIST(ctree);
233         gint row;
234         GtkVisibility row_visibility, prev_row_visibility, next_row_visibility;
235
236         cm_return_if_fail(ctree != NULL);
237         cm_return_if_fail(node != NULL);
238
239         row = (_row != -1 ? _row : g_list_position(clist->row_list, (GList *)node));
240
241         if (row < 0 || row >= clist->rows || clist->row_height == 0) return;
242         row_visibility = gtk_cmclist_row_is_visible(clist, row);
243         prev_row_visibility = gtk_cmclist_row_is_visible(clist, row - 1);
244         next_row_visibility = gtk_cmclist_row_is_visible(clist, row + 1);
245
246         if (row_visibility == GTK_VISIBILITY_NONE) {
247                 gtk_cmclist_moveto(clist, row, -1, 0.5, 0);
248                 return;
249         }
250         if (row_visibility == GTK_VISIBILITY_FULL &&
251             prev_row_visibility == GTK_VISIBILITY_FULL &&
252             next_row_visibility == GTK_VISIBILITY_FULL)
253                 return;
254         if (prev_row_visibility != GTK_VISIBILITY_FULL &&
255             next_row_visibility != GTK_VISIBILITY_FULL)
256                 return;
257
258         if (prev_row_visibility != GTK_VISIBILITY_FULL) {
259                 gtk_cmclist_moveto(clist, row, -1, 0.2, 0);
260                 return;
261         }
262         if (next_row_visibility != GTK_VISIBILITY_FULL) {
263                 gtk_cmclist_moveto(clist, row, -1, 0.8, 0);
264                 return;
265         }
266 }
267
268 #undef CELL_SPACING
269 #undef ROW_TOP_YPIXEL
270 #undef ROW_FROM_YPIXEL
271
272 gint gtkut_ctree_get_nth_from_node(GtkCMCTree *ctree, GtkCMCTreeNode *node)
273 {
274         cm_return_val_if_fail(ctree != NULL, -1);
275         cm_return_val_if_fail(node != NULL, -1);
276
277         return g_list_position(GTK_CMCLIST(ctree)->row_list, (GList *)node);
278 }
279
280 /* get the next node, including the invisible one */
281 GtkCMCTreeNode *gtkut_ctree_node_next(GtkCMCTree *ctree, GtkCMCTreeNode *node)
282 {
283         GtkCMCTreeNode *parent;
284
285         if (!node) return NULL;
286
287         if (GTK_CMCTREE_ROW(node)->children)
288                 return GTK_CMCTREE_ROW(node)->children;
289
290         if (GTK_CMCTREE_ROW(node)->sibling)
291                 return GTK_CMCTREE_ROW(node)->sibling;
292
293         for (parent = GTK_CMCTREE_ROW(node)->parent; parent != NULL;
294              parent = GTK_CMCTREE_ROW(parent)->parent) {
295                 if (GTK_CMCTREE_ROW(parent)->sibling)
296                         return GTK_CMCTREE_ROW(parent)->sibling;
297         }
298
299         return NULL;
300 }
301
302 /* get the previous node, including the invisible one */
303 GtkCMCTreeNode *gtkut_ctree_node_prev(GtkCMCTree *ctree, GtkCMCTreeNode *node)
304 {
305         GtkCMCTreeNode *prev;
306         GtkCMCTreeNode *child;
307
308         if (!node) return NULL;
309
310         prev = GTK_CMCTREE_NODE_PREV(node);
311         if (prev == GTK_CMCTREE_ROW(node)->parent)
312                 return prev;
313
314         child = prev;
315         while (GTK_CMCTREE_ROW(child)->children != NULL) {
316                 child = GTK_CMCTREE_ROW(child)->children;
317                 while (GTK_CMCTREE_ROW(child)->sibling != NULL)
318                         child = GTK_CMCTREE_ROW(child)->sibling;
319         }
320
321         return child;
322 }
323
324 gboolean gtkut_ctree_node_is_selected(GtkCMCTree *ctree, GtkCMCTreeNode *node)
325 {
326         GtkCMCList *clist = GTK_CMCLIST(ctree);
327         GList *cur;
328
329         for (cur = clist->selection; cur != NULL; cur = cur->next) {
330                 if (node == GTK_CMCTREE_NODE(cur->data))
331                         return TRUE;
332         }
333
334         return FALSE;
335 }
336
337 GtkCMCTreeNode *gtkut_ctree_find_collapsed_parent(GtkCMCTree *ctree,
338                                                 GtkCMCTreeNode *node)
339 {
340         if (!node) return NULL;
341
342         while ((node = GTK_CMCTREE_ROW(node)->parent) != NULL) {
343                 if (!GTK_CMCTREE_ROW(node)->expanded)
344                         return node;
345         }
346
347         return NULL;
348 }
349
350 void gtkut_ctree_expand_parent_all(GtkCMCTree *ctree, GtkCMCTreeNode *node)
351 {
352         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
353
354         while ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
355                 gtk_cmctree_expand(ctree, node);
356
357         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
358 }
359
360 gboolean gtkut_ctree_node_is_parent(GtkCMCTreeNode *parent, GtkCMCTreeNode *node)
361 {
362         GtkCMCTreeNode *tmp;
363         cm_return_val_if_fail(node != NULL, FALSE);
364         cm_return_val_if_fail(parent != NULL, FALSE);
365         tmp = node;
366         
367         while (tmp) {
368                 if(GTK_CMCTREE_ROW(tmp)->parent && GTK_CMCTREE_ROW(tmp)->parent == parent)
369                         return TRUE;
370                 tmp = GTK_CMCTREE_ROW(tmp)->parent;
371         }
372         
373         return FALSE;
374 }
375
376 void gtkut_ctree_set_focus_row(GtkCMCTree *ctree, GtkCMCTreeNode *node)
377 {
378         if (node == NULL)
379                 return;
380         gtkut_clist_set_focus_row(GTK_CMCLIST(ctree),
381                                   gtkut_ctree_get_nth_from_node(ctree, node));
382 }
383
384 void gtkut_clist_set_focus_row(GtkCMCList *clist, gint row)
385 {
386         clist->focus_row = row;
387         GTKUT_CTREE_REFRESH(clist);
388 }
389
390 void gtkut_container_remove(GtkContainer *container, GtkWidget *widget)
391 {
392         gtk_container_remove(container, widget);
393 }
394
395 static gboolean gtkut_text_buffer_match_string(GtkTextBuffer *textbuf,
396                                         const GtkTextIter *iter,
397                                         gunichar *wcs, gint len,
398                                         gboolean case_sens)
399 {
400         GtkTextIter start_iter, end_iter;
401         gchar *utf8str, *p;
402         gint match_count;
403
404         start_iter = end_iter = *iter;
405         gtk_text_iter_forward_chars(&end_iter, len);
406
407         utf8str = gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter,
408                                            FALSE);
409         if (!utf8str) return FALSE;
410
411         if ((gint)g_utf8_strlen(utf8str, -1) != len) {
412                 g_free(utf8str);
413                 return FALSE;
414         }
415
416         for (p = utf8str, match_count = 0;
417              *p != '\0' && match_count < len;
418              p = g_utf8_next_char(p), match_count++) {
419                 gunichar wc;
420
421                 wc = g_utf8_get_char(p);
422
423                 if (case_sens) {
424                         if (wc != wcs[match_count])
425                                 break;
426                 } else {
427                         if (g_unichar_tolower(wc) !=
428                             g_unichar_tolower(wcs[match_count]))
429                                 break;
430                 }
431         }
432
433         g_free(utf8str);
434
435         if (match_count == len)
436                 return TRUE;
437         else
438                 return FALSE;
439 }
440
441 static gboolean gtkut_text_buffer_find(GtkTextBuffer *buffer, const GtkTextIter *iter,
442                                 const gchar *str, gboolean case_sens,
443                                 GtkTextIter *match_pos)
444 {
445         gunichar *wcs;
446         gint len;
447         glong items_read = 0, items_written = 0;
448         GError *error = NULL;
449         GtkTextIter iter_;
450         gboolean found = FALSE;
451
452         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
453         if (error != NULL) {
454                 g_warning("An error occurred while converting a string from UTF-8 to UCS-4: %s\n",
455                           error->message);
456                 g_error_free(error);
457         }
458         if (!wcs || items_written <= 0) return FALSE;
459         len = (gint)items_written;
460
461         iter_ = *iter;
462         do {
463                 found = gtkut_text_buffer_match_string
464                         (buffer, &iter_, wcs, len, case_sens);
465                 if (found) {
466                         *match_pos = iter_;
467                         break;
468                 }
469         } while (gtk_text_iter_forward_char(&iter_));
470
471         g_free(wcs);
472
473         return found;
474 }
475
476 static gboolean gtkut_text_buffer_find_backward(GtkTextBuffer *buffer,
477                                          const GtkTextIter *iter,
478                                          const gchar *str, gboolean case_sens,
479                                          GtkTextIter *match_pos)
480 {
481         gunichar *wcs;
482         gint len;
483         glong items_read = 0, items_written = 0;
484         GError *error = NULL;
485         GtkTextIter iter_;
486         gboolean found = FALSE;
487
488         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
489         if (error != NULL) {
490                 g_warning("An error occurred while converting a string from UTF-8 to UCS-4: %s\n",
491                           error->message);
492                 g_error_free(error);
493         }
494         if (!wcs || items_written <= 0) return FALSE;
495         len = (gint)items_written;
496
497         iter_ = *iter;
498         while (gtk_text_iter_backward_char(&iter_)) {
499                 found = gtkut_text_buffer_match_string
500                         (buffer, &iter_, wcs, len, case_sens);
501                 if (found) {
502                         *match_pos = iter_;
503                         break;
504                 }
505         }
506
507         g_free(wcs);
508
509         return found;
510 }
511
512 gchar *gtkut_text_view_get_selection(GtkTextView *textview)
513 {
514         GtkTextBuffer *buffer;
515         GtkTextIter start_iter, end_iter;
516         gboolean found;
517
518         cm_return_val_if_fail(GTK_IS_TEXT_VIEW(textview), NULL);
519
520         buffer = gtk_text_view_get_buffer(textview);
521         found = gtk_text_buffer_get_selection_bounds(buffer,
522                                                      &start_iter,
523                                                      &end_iter);
524         if (found)
525                 return gtk_text_buffer_get_text(buffer, &start_iter, &end_iter,
526                                                 FALSE);
527         else
528                 return NULL;
529 }
530
531
532 void gtkut_text_view_set_position(GtkTextView *text, gint pos)
533 {
534         GtkTextBuffer *buffer;
535         GtkTextIter iter;
536         GtkTextMark *mark;
537
538         cm_return_if_fail(text != NULL);
539
540         buffer = gtk_text_view_get_buffer(text);
541
542         gtk_text_buffer_get_iter_at_offset(buffer, &iter, pos);
543         gtk_text_buffer_place_cursor(buffer, &iter);
544         mark = gtk_text_buffer_create_mark(buffer, NULL, &iter, TRUE);
545         gtk_text_view_scroll_to_mark(text, mark, 0.0, FALSE, 0.0, 0.0);
546 }
547
548 gboolean gtkut_text_view_search_string(GtkTextView *text, const gchar *str,
549                                         gboolean case_sens)
550 {
551         GtkTextBuffer *buffer;
552         GtkTextIter iter, match_pos;
553         GtkTextMark *mark;
554         gint len;
555
556         cm_return_val_if_fail(text != NULL, FALSE);
557         cm_return_val_if_fail(str != NULL, FALSE);
558
559         buffer = gtk_text_view_get_buffer(text);
560
561         len = g_utf8_strlen(str, -1);
562         cm_return_val_if_fail(len >= 0, FALSE);
563
564         mark = gtk_text_buffer_get_insert(buffer);
565         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
566
567         if (gtkut_text_buffer_find(buffer, &iter, str, case_sens,
568                                    &match_pos)) {
569                 GtkTextIter end = match_pos;
570
571                 gtk_text_iter_forward_chars(&end, len);
572                 /* place "insert" at the last character */
573                 gtk_text_buffer_select_range(buffer, &end, &match_pos);
574                 gtk_text_view_scroll_to_mark(text, mark, 0.0, TRUE, 0.0, 0.5);
575                 return TRUE;
576         }
577
578         return FALSE;
579 }
580
581 gboolean gtkut_text_view_search_string_backward(GtkTextView *text, const gchar *str,
582                                         gboolean case_sens)
583 {
584         GtkTextBuffer *buffer;
585         GtkTextIter iter, match_pos;
586         GtkTextMark *mark;
587         gint len;
588
589         cm_return_val_if_fail(text != NULL, FALSE);
590         cm_return_val_if_fail(str != NULL, FALSE);
591
592         buffer = gtk_text_view_get_buffer(text);
593
594         len = g_utf8_strlen(str, -1);
595         cm_return_val_if_fail(len >= 0, FALSE);
596
597         mark = gtk_text_buffer_get_insert(buffer);
598         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
599
600         if (gtkut_text_buffer_find_backward(buffer, &iter, str, case_sens,
601                                             &match_pos)) {
602                 GtkTextIter end = match_pos;
603
604                 gtk_text_iter_forward_chars(&end, len);
605                 gtk_text_buffer_select_range(buffer, &match_pos, &end);
606                 gtk_text_view_scroll_to_mark(text, mark, 0.0, TRUE, 0.0, 0.5);
607                 return TRUE;
608         }
609
610         return FALSE;
611 }
612
613 void gtkut_window_popup(GtkWidget *window)
614 {
615         GdkWindow *gdkwin;
616         gint x, y, sx, sy, new_x, new_y;
617
618         gdkwin = gtk_widget_get_window(window);
619
620         cm_return_if_fail(window != NULL);
621         cm_return_if_fail(gdkwin != NULL);
622
623         sx = gdk_screen_width();
624         sy = gdk_screen_height();
625
626         gdk_window_get_origin(gdkwin, &x, &y);
627         new_x = x % sx; if (new_x < 0) new_x = 0;
628         new_y = y % sy; if (new_y < 0) new_y = 0;
629         if (new_x != x || new_y != y)
630                 gdk_window_move(gdkwin, new_x, new_y);
631
632         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(window), FALSE);
633         gtk_window_present_with_time(GTK_WINDOW(window), time(NULL));
634 }
635
636 void gtkut_widget_get_uposition(GtkWidget *widget, gint *px, gint *py)
637 {
638         GdkWindow *gdkwin;
639         gint x, y;
640         gint sx, sy;
641
642         gdkwin = gtk_widget_get_window(widget);
643
644         cm_return_if_fail(widget != NULL);
645         cm_return_if_fail(gdkwin != NULL);
646
647         sx = gdk_screen_width();
648         sy = gdk_screen_height();
649
650         /* gdk_window_get_root_origin ever return *rootwindow*'s position */
651         gdk_window_get_root_origin(gdkwin, &x, &y);
652
653         x %= sx; if (x < 0) x = 0;
654         y %= sy; if (y < 0) y = 0;
655         *px = x;
656         *py = y;
657 }
658
659 void gtkut_widget_draw_now(GtkWidget *widget)
660 {
661         if (widget && gtk_widget_get_visible(widget) && gtk_widget_is_drawable(widget))
662                 gdk_window_process_updates(gtk_widget_get_window(widget), FALSE);
663 }
664
665 static void gtkut_clist_bindings_add(GtkWidget *clist)
666 {
667         GtkBindingSet *binding_set;
668
669         binding_set = gtk_binding_set_by_class
670                 (GTK_CMCLIST_GET_CLASS(clist));
671
672         gtk_binding_entry_add_signal(binding_set, GDK_KEY_n, GDK_CONTROL_MASK,
673                                      "scroll_vertical", 2,
674                                      G_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
675                                      G_TYPE_FLOAT, 0.0);
676         gtk_binding_entry_add_signal(binding_set, GDK_KEY_p, GDK_CONTROL_MASK,
677                                      "scroll_vertical", 2,
678                                      G_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
679                                      G_TYPE_FLOAT, 0.0);
680 }
681
682 void gtkut_widget_init(void)
683 {
684         GtkWidget *clist;
685
686         clist = gtk_cmclist_new(1);
687         g_object_ref(G_OBJECT(clist));
688         g_object_ref_sink (G_OBJECT(clist));
689         gtkut_clist_bindings_add(clist);
690         g_object_unref(G_OBJECT(clist));
691
692         clist = gtk_cmctree_new(1, 0);
693         g_object_ref(G_OBJECT(clist));
694         g_object_ref_sink (G_OBJECT(clist));
695         gtkut_clist_bindings_add(clist);
696         g_object_unref(G_OBJECT(clist));
697
698         clist = gtk_sctree_new_with_titles(1, 0, NULL);
699         g_object_ref(G_OBJECT(clist));
700         g_object_ref_sink (G_OBJECT(clist));
701         gtkut_clist_bindings_add(clist);
702         g_object_unref(G_OBJECT(clist));
703 }
704
705 void gtkut_widget_set_app_icon(GtkWidget *widget)
706 {
707         static GList *icon_list = NULL;
708
709         cm_return_if_fail(widget != NULL);
710         cm_return_if_fail(gtk_widget_get_window(widget) != NULL);
711         if (!icon_list) {
712                 GdkPixbuf *icon = NULL, *big_icon = NULL;
713                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_CLAWS_MAIL_ICON, &icon);
714                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_CLAWS_MAIL_LOGO, &big_icon);
715                 if (icon)
716                         icon_list = g_list_append(icon_list, icon);
717                 if (big_icon)
718                         icon_list = g_list_append(icon_list, big_icon);
719         }
720         if (icon_list)
721                 gtk_window_set_icon_list(GTK_WINDOW(widget), icon_list);
722 }
723
724 void gtkut_widget_set_composer_icon(GtkWidget *widget)
725 {
726         static GList *icon_list = NULL;
727
728         cm_return_if_fail(widget != NULL);
729         cm_return_if_fail(gtk_widget_get_window(widget) != NULL);
730         if (!icon_list) {
731                 GdkPixbuf *icon = NULL, *big_icon = NULL;
732                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_MAIL_COMPOSE, &icon);
733                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_MAIL_COMPOSE_LOGO, &big_icon);
734                 if (icon)
735                         icon_list = g_list_append(icon_list, icon);
736                 if (big_icon)
737                         icon_list = g_list_append(icon_list, big_icon);
738         }
739         if (icon_list)
740                 gtk_window_set_icon_list(GTK_WINDOW(widget), icon_list);
741 }
742
743 static gboolean move_bar = FALSE;
744 static gint move_bar_id = -1;
745
746 static gboolean move_bar_cb(gpointer data)
747 {
748         GtkWidget *w = (GtkWidget *)data;
749         if (!move_bar)
750                 return FALSE;
751
752         if (!GTK_IS_PROGRESS_BAR(w)) {
753                 return FALSE;
754         }
755
756         gtk_progress_bar_pulse(GTK_PROGRESS_BAR(w));
757         GTK_EVENTS_FLUSH();
758         return TRUE;
759 }
760
761 GtkWidget *label_window_create(const gchar *str)
762 {
763         GtkWidget *window;
764         GtkWidget *label, *vbox, *hbox;
765         GtkWidget *wait_progress = gtk_progress_bar_new();
766
767         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "gtkutils");
768         gtk_widget_set_size_request(window, 380, 70);
769         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
770         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
771         gtk_window_set_title(GTK_WINDOW(window), str);
772         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
773         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
774         manage_window_set_transient(GTK_WINDOW(window));
775
776         label = gtk_label_new(str);
777         
778         vbox = gtk_vbox_new(FALSE, 6);
779         hbox = gtk_hbox_new(FALSE, 6);
780         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, FALSE, 0);
781         gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, FALSE, 0);
782         hbox = gtk_hbox_new(FALSE, 6);
783         gtk_box_pack_start(GTK_BOX(hbox), wait_progress, TRUE, FALSE, 0);
784         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
785         
786         gtk_container_add(GTK_CONTAINER(window), vbox);
787         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
788         gtk_misc_set_alignment(GTK_MISC(label), 0.5, 0.5);
789         gtk_widget_show_all(vbox);
790
791         gtk_widget_show_now(window);
792         
793         if (move_bar_id == -1) {
794                 move_bar_id = g_timeout_add(200, move_bar_cb, wait_progress);
795                 move_bar = TRUE;
796         }
797
798         GTK_EVENTS_FLUSH();
799
800         return window;
801 }
802
803 void label_window_destroy(GtkWidget *window)
804 {
805         move_bar = FALSE;
806         g_source_remove(move_bar_id);
807         move_bar_id = -1;
808         GTK_EVENTS_FLUSH();
809         gtk_widget_destroy(window);     
810 }
811
812 GtkWidget *gtkut_account_menu_new(GList                 *ac_list,
813                                         GCallback               callback,
814                                   gpointer              data)
815 {
816         GList *cur_ac;
817         GtkWidget *optmenu;
818         GtkListStore *menu;
819         GtkTreeIter iter;
820         PrefsAccount *account;
821         gchar *name;
822         
823         cm_return_val_if_fail(ac_list != NULL, NULL);
824
825         optmenu = gtkut_sc_combobox_create(NULL, FALSE);
826         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(optmenu)));
827
828         for (cur_ac = ac_list; cur_ac != NULL; cur_ac = cur_ac->next) {
829                 account = (PrefsAccount *) cur_ac->data;
830                 if (account->name)
831                         name = g_strdup_printf("%s: %s <%s>",
832                                                account->account_name,
833                                                account->name,
834                                                account->address);
835                 else
836                         name = g_strdup_printf("%s: %s",
837                                                account->account_name,
838                                                account->address);
839                 COMBOBOX_ADD_ESCAPED(menu, name, account->account_id);
840                 g_free(name);
841         }
842         gtk_combo_box_set_active(GTK_COMBO_BOX(optmenu), 0);
843
844         if( callback != NULL )
845                 g_signal_connect(G_OBJECT(optmenu), "changed", callback, data);
846
847         return optmenu;
848 }
849
850 void gtkut_set_widget_bgcolor_rgb(GtkWidget *widget, guint rgbvalue)
851 {
852         GtkStyle *newstyle;
853         GdkColor gdk_color;
854
855         gtkut_convert_int_to_gdk_color(rgbvalue, &gdk_color);
856         newstyle = gtk_style_copy(gtk_widget_get_default_style());
857         newstyle->bg[GTK_STATE_NORMAL]   = gdk_color;
858         newstyle->bg[GTK_STATE_PRELIGHT] = gdk_color;
859         newstyle->bg[GTK_STATE_ACTIVE]   = gdk_color;
860         gtk_widget_set_style(widget, newstyle);
861 }
862   
863 /*!
864  *\brief        Tries to find a focused child using a lame strategy
865  */
866 GtkWidget *gtkut_get_focused_child(GtkContainer *parent)
867 {
868         GtkWidget *result = NULL;
869         GList *child_list = NULL;
870         GList *c;
871
872         cm_return_val_if_fail(parent, NULL);
873
874         /* Get children list and see which has the focus. */
875         child_list = gtk_container_get_children(parent);
876         if (!child_list)
877                 return NULL;
878
879         for (c = child_list; c != NULL; c = g_list_next(c)) {
880                 if (c->data && GTK_IS_WIDGET(c->data)) {
881                         if (gtk_widget_has_focus(GTK_WIDGET(c->data))) {
882                                 result = GTK_WIDGET(c->data);
883                                 break;
884                         }
885                 }
886         }
887         
888         /* See if the returned widget is a container itself; if it is,
889          * see if one of its children is focused. If the focused 
890          * container has no focused child, it is itself a focusable 
891          * child, and has focus. */
892         if (result && GTK_IS_CONTAINER(result)) {
893                 GtkWidget *tmp =  gtkut_get_focused_child(GTK_CONTAINER(result)); 
894                 
895                 if (tmp) 
896                         result = tmp;
897         } else {
898                 /* Try the same for each container in the chain */
899                 for (c = child_list; c != NULL && !result; c = g_list_next(c)) {
900                         if (c->data && GTK_IS_WIDGET(c->data) 
901                         &&  GTK_IS_CONTAINER(c->data)) {
902                                 result = gtkut_get_focused_child
903                                         (GTK_CONTAINER(c->data));
904                         }
905                 }
906         
907         }
908         
909         g_list_free(child_list);
910                 
911         return result;
912 }
913
914 /*!
915  *\brief        Create a Browse (file) button based on GTK+ stock
916  */
917 GtkWidget *gtkut_get_browse_file_btn(const gchar *button_label)
918 {
919         GtkWidget *button;
920
921         button = gtk_button_new_with_mnemonic(button_label);
922         gtk_button_set_image(GTK_BUTTON(button),
923                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
924
925         return button;
926 }
927
928 /*!
929  *\brief        Create a Browse (directory) button based on GTK+ stock
930  */
931 GtkWidget *gtkut_get_browse_directory_btn(const gchar *button_label)
932 {
933         GtkWidget *button;
934
935         button = gtk_button_new_with_mnemonic(button_label);
936         gtk_button_set_image(GTK_BUTTON(button),
937                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
938
939         return button;
940 }
941
942 GtkWidget *gtkut_get_replace_btn(const gchar *button_label)
943 {
944         GtkWidget *button;
945
946         button = gtk_button_new_with_mnemonic(button_label);
947         gtk_button_set_image(GTK_BUTTON(button),
948                 gtk_image_new_from_stock(GTK_STOCK_REFRESH, GTK_ICON_SIZE_BUTTON));
949
950         return button;
951 }
952
953 /**
954  * merge some part of code into one function : it creates a frame and add
955  *      these into gtk box widget passed in param.
956  * \param box gtk box where adding new created frame.
957  * \param pframe pointer with which to assign the frame. If NULL, no pointer
958  *      is assigned but the frame is anyway created and added to @box.
959  * \param frame_label frame label of new created frame.
960  */
961 GtkWidget *gtkut_get_options_frame(GtkWidget *box, GtkWidget **pframe,
962                 const gchar *frame_label)
963 {
964         GtkWidget *vbox;
965         GtkWidget *frame;
966
967         frame = gtk_frame_new(frame_label);
968         gtk_widget_show(frame);
969         gtk_box_pack_start(GTK_BOX(box), frame, FALSE, TRUE, 0);
970         gtk_frame_set_label_align(GTK_FRAME(frame), 0.01, 0.5);
971
972         vbox = gtk_vbox_new (FALSE, 4);
973         gtk_widget_show(vbox);
974         gtk_container_add(GTK_CONTAINER (frame), vbox);
975         gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
976
977         if (pframe != NULL)
978                 *pframe = frame;
979
980         return vbox;
981 }
982
983 #if HAVE_LIBCOMPFACE
984 static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
985 {
986         static gchar *bit_pattern[] = {
987                 "....",
988                 "...#",
989                 "..#.",
990                 "..##",
991                 ".#..",
992                 ".#.#",
993                 ".##.",
994                 ".###",
995                 "#...",
996                 "#..#",
997                 "#.#.",
998                 "#.##",
999                 "##..",
1000                 "##.#",
1001                 "###.",
1002                 "####"
1003         };
1004
1005         static gchar *xface_header = "48 48 2 1";
1006         static gchar *xface_black  = "# c #000000";
1007         static gchar *xface_white  = ". c #ffffff";
1008
1009         gint i, line = 0;
1010         const guchar *p;
1011         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
1012
1013         p = xface;
1014
1015         strcpy(xpm[line++], xface_header);
1016         strcpy(xpm[line++], xface_black);
1017         strcpy(xpm[line++], xface_white);
1018
1019         for (i = 0; i < HEIGHT; i++) {
1020                 gint col;
1021
1022                 buf[0] = '\0';
1023      
1024                 for (col = 0; col < 3; col++) {
1025                         gint figure;
1026
1027                         p += 2;  /* skip '0x' */
1028
1029                         for (figure = 0; figure < 4; figure++) {
1030                                 gint n = 0;
1031
1032                                 if ('0' <= *p && *p <= '9') {
1033                                         n = *p - '0';
1034                                 } else if ('a' <= *p && *p <= 'f') {
1035                                         n = *p - 'a' + 10;
1036                                 } else if ('A' <= *p && *p <= 'F') {
1037                                         n = *p - 'A' + 10;
1038                                 }
1039
1040                                 strcat(buf, bit_pattern[n]);
1041                                 p++;  /* skip ',' */
1042                         }
1043
1044                         p++;  /* skip '\n' */
1045                 }
1046
1047                 strcpy(xpm[line++], buf);
1048                 p++;
1049         }
1050
1051         return 0;
1052 }
1053 #endif
1054
1055 gboolean get_tag_range(GtkTextIter *iter,
1056                                        GtkTextTag *tag,
1057                                        GtkTextIter *start_iter,
1058                                        GtkTextIter *end_iter)
1059 {
1060         GtkTextIter _start_iter, _end_iter;
1061
1062         _end_iter = *iter;
1063         if (!gtk_text_iter_forward_to_tag_toggle(&_end_iter, tag)) {
1064                 debug_print("Can't find end");
1065                 return FALSE;
1066         }
1067
1068         _start_iter = _end_iter;
1069         if (!gtk_text_iter_backward_to_tag_toggle(&_start_iter, tag)) {
1070                 debug_print("Can't find start.");
1071                 return FALSE;
1072         }
1073
1074         *start_iter = _start_iter;
1075         *end_iter = _end_iter;
1076
1077         return TRUE;
1078 }
1079
1080 #if HAVE_LIBCOMPFACE
1081 GtkWidget *xface_get_from_header(const gchar *o_xface)
1082 {
1083         static gchar *xpm_xface[XPM_XFACE_HEIGHT];
1084         static gboolean xpm_xface_init = TRUE;
1085         gchar xface[2048];
1086         strncpy(xface, o_xface, sizeof(xface) - 1);
1087         xface[sizeof(xface) - 1] = '\0';
1088
1089         if (uncompface(xface) < 0) {
1090                 g_warning("uncompface failed\n");
1091                 return NULL;
1092         }
1093
1094         if (xpm_xface_init) {
1095                 gint i;
1096
1097                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
1098                         xpm_xface[i] = g_malloc(WIDTH + 1);
1099                         *xpm_xface[i] = '\0';
1100                 }
1101                 xpm_xface_init = FALSE;
1102         }
1103
1104         create_xpm_from_xface(xpm_xface, xface);
1105
1106         return gtk_image_new_from_pixbuf(
1107                 gdk_pixbuf_new_from_xpm_data((const char **)xpm_xface));
1108 }
1109 #endif
1110
1111 GtkWidget *face_get_from_header(const gchar *o_face)
1112 {
1113         gchar face[2048];
1114         gchar *face_png;
1115         gchar *tmp;
1116         gsize pngsize;
1117         GdkPixbuf *pixbuf;
1118         GError *error = NULL;
1119         GdkPixbufLoader *loader = gdk_pixbuf_loader_new ();
1120         GtkWidget *image;
1121         
1122         if (o_face == NULL || strlen(o_face) == 0)
1123                 return NULL;
1124
1125         strncpy2(face, o_face, sizeof(face));
1126
1127         unfold_line(face); /* strip all whitespace and linebreaks */
1128         remove_space(face);
1129
1130         face_png = g_base64_decode(face, &pngsize);
1131         debug_print("---------------------- loaded face png\n");
1132
1133         if (!gdk_pixbuf_loader_write (loader, face_png, pngsize, &error) ||
1134             !gdk_pixbuf_loader_close (loader, &error)) {
1135                 g_warning("loading face failed\n");
1136                 g_object_unref(loader);
1137                 g_free(face_png);
1138                 return NULL;
1139         }
1140         g_free(face_png);
1141
1142         pixbuf = g_object_ref(gdk_pixbuf_loader_get_pixbuf(loader));
1143
1144         g_object_unref(loader);
1145
1146         if ((gdk_pixbuf_get_width(pixbuf) != 48) || (gdk_pixbuf_get_height(pixbuf) != 48)) {
1147                 g_object_unref(pixbuf);
1148                 g_warning("wrong_size\n");
1149                 return NULL;
1150         }
1151
1152         image = gtk_image_new_from_pixbuf(pixbuf);
1153         g_object_unref(pixbuf);
1154         return image;
1155 }
1156
1157 static GdkCursor *hand_cursor = NULL;
1158
1159 static void link_btn_enter(GtkButton *button, gpointer data)
1160 {
1161         GdkWindow *gdkwin;
1162         GtkWidget *window = (GtkWidget *)data;
1163
1164         gdkwin = gtk_widget_get_window(window);
1165
1166         if (!hand_cursor)
1167                 hand_cursor = gdk_cursor_new(GDK_HAND2);
1168         if (window && gdkwin)
1169                 gdk_window_set_cursor(gdkwin, hand_cursor);
1170
1171         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1172         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1173         
1174 }
1175
1176 static void link_btn_leave(GtkButton *button, gpointer data)
1177 {
1178         GdkWindow *gdkwin;
1179         GtkWidget *window = (GtkWidget *)data;
1180
1181         gdkwin = gtk_widget_get_window(window);
1182
1183         if (window && gdkwin)
1184                 gdk_window_set_cursor(gdkwin, NULL);
1185
1186         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1187         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1188 }
1189
1190 static void link_btn_pressed(GtkButton *button, gpointer data)
1191 {
1192         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1193         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1194 }
1195
1196 static void link_btn_released(GtkButton *button, gpointer data)
1197 {
1198         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1199         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1200 }
1201
1202 static void link_btn_clicked(GtkButton *button, gpointer data)
1203 {
1204         gchar *url = (gchar *)data;
1205         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1206         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1207         open_uri(url, prefs_common_get_uri_cmd());
1208 }
1209
1210 static void link_btn_unrealize(GtkButton *button, gpointer data)
1211 {
1212         gchar *url = (gchar *)data;
1213         g_signal_handlers_disconnect_by_func(G_OBJECT(button), 
1214                          G_CALLBACK(link_btn_clicked), url);
1215         g_free(url);
1216 }
1217
1218 GtkWidget *gtkut_get_link_btn(GtkWidget *window, const gchar *url, const gchar *label)
1219 {
1220         GtkWidget *btn;
1221         GtkWidget *btn_label;
1222 #if !GTK_CHECK_VERSION(3, 0, 0)
1223         GdkColormap *cmap;
1224         gboolean success[2];
1225 #endif
1226         GdkColor uri_color[2] = {{0, 0, 0, 0xffff}, {0, 0xffff, 0, 0}};
1227         gchar *local_url = NULL;
1228         if (!url)
1229                 return NULL;
1230
1231         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1232                                                &uri_color[0]);
1233         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1234                                                &uri_color[1]);
1235
1236         btn = gtk_button_new_with_label(label?label:url);
1237         gtk_button_set_relief(GTK_BUTTON(btn), GTK_RELIEF_NONE);
1238         btn_label = gtk_bin_get_child(GTK_BIN((btn)));
1239 #if !GTK_CHECK_VERSION(3, 0, 0)
1240         cmap = gdk_drawable_get_colormap(gtk_widget_get_window(window));
1241         gdk_colormap_alloc_colors(cmap, uri_color, 2, FALSE, TRUE, success);
1242         if (success[0] == TRUE && success[1] == TRUE) {
1243 #endif
1244                 GtkStyle *style;
1245                 gtk_widget_ensure_style(btn_label);
1246                 style = gtk_style_copy
1247                         (gtk_widget_get_style(btn_label));
1248                 style->fg[GTK_STATE_NORMAL]   = uri_color[0];
1249                 style->fg[GTK_STATE_ACTIVE]   = uri_color[1];
1250                 style->fg[GTK_STATE_PRELIGHT] = uri_color[0];
1251                 gtk_widget_set_style(btn_label, style);
1252 #if !GTK_CHECK_VERSION(3, 0, 0)
1253         } else
1254                 g_warning("color allocation failed\n");
1255 #endif
1256
1257         g_signal_connect(G_OBJECT(btn), "enter",
1258                          G_CALLBACK(link_btn_enter), window);
1259         g_signal_connect(G_OBJECT(btn), "leave",
1260                          G_CALLBACK(link_btn_leave), window);
1261         g_signal_connect(G_OBJECT(btn), "pressed",
1262                          G_CALLBACK(link_btn_pressed), window);
1263         g_signal_connect(G_OBJECT(btn), "released",
1264                          G_CALLBACK(link_btn_released), window);
1265                          
1266         local_url = g_strdup(url);
1267         g_signal_connect(G_OBJECT(btn), "clicked",
1268                          G_CALLBACK(link_btn_clicked), local_url);
1269         g_signal_connect(G_OBJECT(btn), "unrealize",
1270                          G_CALLBACK(link_btn_unrealize), local_url);
1271         return btn;
1272 }
1273
1274 static gboolean _combobox_separator_func(GtkTreeModel *model,
1275                 GtkTreeIter *iter, gpointer data)
1276 {
1277         gchar *txt = NULL;
1278
1279         cm_return_val_if_fail(model != NULL, FALSE);
1280
1281         gtk_tree_model_get(model, iter, COMBOBOX_TEXT, &txt, -1);
1282
1283         if( txt == NULL )
1284                 return TRUE;
1285         
1286         g_free(txt);
1287         return FALSE;
1288 }
1289
1290 GtkWidget *gtkut_sc_combobox_create(GtkWidget *eventbox, gboolean focus_on_click)
1291 {
1292         GtkWidget *combobox;
1293         GtkListStore *menu;
1294         GtkCellRenderer *rend;
1295
1296         menu = gtk_list_store_new(3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_BOOLEAN);
1297
1298         combobox = gtk_combo_box_new_with_model(GTK_TREE_MODEL(menu));
1299
1300         rend = gtk_cell_renderer_text_new();
1301         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combobox), rend, TRUE);
1302         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combobox), rend,
1303                         "markup", COMBOBOX_TEXT,
1304                         "sensitive", COMBOBOX_SENS,
1305                         NULL);
1306
1307         if( eventbox != NULL )
1308                 gtk_container_add(GTK_CONTAINER(eventbox), combobox);
1309         gtk_combo_box_set_focus_on_click(GTK_COMBO_BOX(combobox), focus_on_click);
1310
1311         gtk_combo_box_set_row_separator_func(GTK_COMBO_BOX(combobox),
1312                         (GtkTreeViewRowSeparatorFunc)_combobox_separator_func, NULL, NULL);
1313
1314         return combobox;
1315 }
1316
1317 static void gtkutils_smooth_scroll_do(GtkWidget *widget, GtkAdjustment *vadj,
1318                                       gfloat old_value, gfloat last_value,
1319                                       gint step)
1320 {
1321         gint change_value;
1322         gboolean up;
1323         gint i;
1324
1325         if (old_value < last_value) {
1326                 change_value = last_value - old_value;
1327                 up = FALSE;
1328         } else {
1329                 change_value = old_value - last_value;
1330                 up = TRUE;
1331         }
1332
1333         for (i = step; i <= change_value; i += step) {
1334                 gtk_adjustment_set_value(vadj, old_value + (up ? -i : i));
1335                 g_signal_emit_by_name(G_OBJECT(vadj),
1336                                       "value_changed", 0);
1337         }
1338
1339         gtk_adjustment_set_value(vadj, last_value);
1340         g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0);
1341
1342         gtk_widget_queue_draw(widget);
1343 }
1344
1345 static gboolean gtkutils_smooth_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1346 {
1347         gfloat upper;
1348         gfloat page_incr;
1349         gfloat old_value;
1350         gfloat last_value;
1351
1352         page_incr = gtk_adjustment_get_page_increment(vadj);
1353         if (prefs_common.scroll_halfpage)
1354                 page_incr /= 2;
1355
1356         old_value = gtk_adjustment_get_value(vadj);
1357         if (!up) {
1358                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1359                 if (old_value < upper) {
1360                         last_value = old_value + page_incr;
1361                         last_value = MIN(last_value, upper);
1362
1363                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1364                                                   last_value,
1365                                                   prefs_common.scroll_step);
1366                 } else
1367                         return FALSE;
1368         } else {
1369                 if (old_value > 0.0) {
1370                         last_value = old_value - page_incr;
1371                         last_value = MAX(last_value, 0.0);
1372
1373                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1374                                                   last_value,
1375                                                   prefs_common.scroll_step);
1376                 } else
1377                         return FALSE;
1378         }
1379
1380         return TRUE;
1381 }
1382
1383 gboolean gtkutils_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1384 {
1385         gfloat upper;
1386         gfloat page_incr;
1387         gfloat old_value;
1388
1389         if (prefs_common.enable_smooth_scroll)
1390                 return gtkutils_smooth_scroll_page(widget, vadj, up);
1391
1392         page_incr = gtk_adjustment_get_page_increment(vadj);
1393         if (prefs_common.scroll_halfpage)
1394                 page_incr /= 2;
1395
1396         old_value = gtk_adjustment_get_value(vadj);
1397         if (!up) {
1398                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1399                 if (old_value < upper) {
1400                         old_value += page_incr;
1401                         old_value = MIN(old_value, upper);
1402                         gtk_adjustment_set_value(vadj, old_value);
1403                         g_signal_emit_by_name(G_OBJECT(vadj),
1404                                               "value_changed", 0);
1405                 } else
1406                         return FALSE;
1407         } else {
1408                 if (old_value > 0.0) {
1409                         old_value -= page_incr;
1410                         old_value = MAX(old_value, 0.0);
1411                         gtk_adjustment_set_value(vadj, old_value);
1412                         g_signal_emit_by_name(G_OBJECT(vadj),
1413                                               "value_changed", 0);
1414                 } else
1415                         return FALSE;
1416         }
1417         return TRUE;
1418 }
1419
1420 static void gtkutils_smooth_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1421 {
1422         gfloat upper;
1423         gfloat old_value;
1424         gfloat last_value;
1425
1426         old_value = gtk_adjustment_get_value(vadj);
1427         if (!up) {
1428                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1429                 if (old_value < upper) {
1430                         last_value = old_value + gtk_adjustment_get_step_increment(vadj);
1431                         last_value = MIN(last_value, upper);
1432
1433                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1434                                                   last_value,
1435                                                   prefs_common.scroll_step);
1436                 }
1437         } else {
1438                 if (old_value > 0.0) {
1439                         last_value = old_value - gtk_adjustment_get_step_increment(vadj);
1440                         last_value = MAX(last_value, 0.0);
1441
1442                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1443                                                   last_value,
1444                                                   prefs_common.scroll_step);
1445                 }
1446         }
1447 }
1448
1449 void gtkutils_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1450 {
1451         gfloat upper;
1452         gfloat old_value;
1453
1454         if (prefs_common.enable_smooth_scroll) {
1455                 gtkutils_smooth_scroll_one_line(widget, vadj, up);
1456                 return;
1457         }
1458
1459         old_value = gtk_adjustment_get_value(vadj);
1460         if (!up) {
1461                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1462                 if (old_value < upper) {
1463                         old_value += gtk_adjustment_get_step_increment(vadj);
1464                         old_value = MIN(old_value, upper);
1465                         gtk_adjustment_set_value(vadj, old_value);
1466                         g_signal_emit_by_name(G_OBJECT(vadj),
1467                                               "value_changed", 0);
1468                 }
1469         } else {
1470                 if (old_value > 0.0) {
1471                         old_value -= gtk_adjustment_get_step_increment(vadj);
1472                         old_value = MAX(old_value, 0.0);
1473                         gtk_adjustment_set_value(vadj, old_value);
1474                         g_signal_emit_by_name(G_OBJECT(vadj),
1475                                               "value_changed", 0);
1476                 }
1477         }
1478 }
1479
1480 gboolean gtkut_tree_model_text_iter_prev(GtkTreeModel *model,
1481                                  GtkTreeIter *iter,
1482                                  const gchar* text)
1483 /* do the same as gtk_tree_model_iter_next, but _prev instead.
1484    to use with widgets with one text column (gtk_combo_box_new_text()
1485    and with GtkComboBoxEntry's for instance),
1486 */
1487 {
1488         GtkTreeIter cur_iter;
1489         gchar *cur_value;
1490         gboolean valid;
1491         gint count;
1492
1493         cm_return_val_if_fail(model != NULL, FALSE);
1494         cm_return_val_if_fail(iter != NULL, FALSE);
1495
1496         if (text == NULL || *text == '\0')
1497                 return FALSE;
1498
1499         valid = gtk_tree_model_get_iter_first(model, &cur_iter);
1500         count = 0;
1501         while (valid) {
1502                 gtk_tree_model_get(model, &cur_iter, 0, &cur_value, -1);
1503
1504                 if (strcmp(text, cur_value) == 0) {
1505                         if (count <= 0)
1506                                 return FALSE;
1507
1508                         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1509                 }
1510
1511                 valid = gtk_tree_model_iter_next(model, &cur_iter);
1512                 count++;
1513         }
1514         return FALSE;           
1515 }
1516
1517 gboolean gtkut_tree_model_get_iter_last(GtkTreeModel *model,
1518                                  GtkTreeIter *iter)
1519 /* do the same as gtk_tree_model_get_iter_first, but _last instead.
1520 */
1521 {
1522         gint count;
1523
1524         cm_return_val_if_fail(model != NULL, FALSE);
1525         cm_return_val_if_fail(iter != NULL, FALSE);
1526
1527         count = gtk_tree_model_iter_n_children(model, NULL);
1528
1529         if (count <= 0)
1530                 return FALSE;
1531
1532         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1533 }
1534
1535 GtkWidget *gtkut_window_new             (GtkWindowType   type,
1536                                          const gchar    *class)
1537 {
1538         GtkWidget *window = gtk_window_new(type);
1539         gtk_window_set_role(GTK_WINDOW(window), class);
1540         return window;
1541 }
1542
1543 static gboolean gtkut_tree_iter_comp(GtkTreeModel *model, 
1544                                      GtkTreeIter *iter1, 
1545                                      GtkTreeIter *iter2)
1546 {
1547         GtkTreePath *path1 = gtk_tree_model_get_path(model, iter1);
1548         GtkTreePath *path2 = gtk_tree_model_get_path(model, iter2);
1549         gboolean result;
1550
1551         result = gtk_tree_path_compare(path1, path2) == 0;
1552
1553         gtk_tree_path_free(path1);
1554         gtk_tree_path_free(path2);
1555         
1556         return result;
1557 }
1558
1559 /*!
1560  *\brief        Get selected row number.
1561  */
1562 gint gtkut_list_view_get_selected_row(GtkWidget *list_view)
1563 {
1564         GtkTreeView *view = GTK_TREE_VIEW(list_view);
1565         GtkTreeModel *model = gtk_tree_view_get_model(view);
1566         int n_rows = gtk_tree_model_iter_n_children(model, NULL);
1567         GtkTreeSelection *selection;
1568         GtkTreeIter iter;
1569         int row;
1570
1571         if (n_rows == 0) 
1572                 return -1;
1573         
1574         selection = gtk_tree_view_get_selection(view);
1575         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1576                 return -1;
1577         
1578         /* get all iterators and compare them... */
1579         for (row = 0; row < n_rows; row++) {
1580                 GtkTreeIter itern;
1581
1582                 if (gtk_tree_model_iter_nth_child(model, &itern, NULL, row)
1583                  && gtkut_tree_iter_comp(model, &iter, &itern))
1584                         return row;
1585         }
1586         
1587         return -1;
1588 }
1589
1590 /*!
1591  *\brief        Select a row by its number.
1592  */
1593 gboolean gtkut_list_view_select_row(GtkWidget *list, gint row)
1594 {
1595         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1596         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
1597         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1598         GtkTreeIter iter;
1599         GtkTreePath *path;
1600
1601         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1602                 return FALSE;
1603         
1604         gtk_tree_selection_select_iter(selection, &iter);
1605
1606         path = gtk_tree_model_get_path(model, &iter);
1607         gtk_tree_view_set_cursor(list_view, path, NULL, FALSE);
1608         gtk_tree_path_free(path);
1609         
1610         return TRUE;
1611 }
1612
1613 static GtkUIManager *gui_manager = NULL;
1614
1615 GtkUIManager *gtkut_create_ui_manager(void)
1616 {
1617         cm_return_val_if_fail(gui_manager == NULL, gui_manager);
1618         return (gui_manager = gtk_ui_manager_new());
1619 }
1620
1621 GtkUIManager *gtkut_ui_manager(void)
1622 {
1623         return gui_manager;
1624 }
1625
1626 typedef struct _ClawsIOClosure ClawsIOClosure;
1627
1628 struct _ClawsIOClosure
1629 {
1630   ClawsIOFunc function;
1631   GIOCondition condition;
1632   GDestroyNotify notify;
1633   gpointer data;
1634 };
1635
1636 static gboolean  
1637 claws_io_invoke (GIOChannel   *source,
1638                  GIOCondition  condition,
1639                  gpointer      data)
1640 {
1641   ClawsIOClosure *closure = data;
1642   int fd;
1643 #ifndef G_OS_WIN32
1644   fd = g_io_channel_unix_get_fd (source);
1645 #else
1646   fd = g_io_channel_win32_get_fd (source);
1647 #endif
1648   if (closure->condition & condition)
1649     closure->function (closure->data, fd, condition);
1650
1651   return TRUE;
1652 }
1653
1654 static void
1655 claws_io_destroy (gpointer data)
1656 {
1657   ClawsIOClosure *closure = data;
1658
1659   if (closure->notify)
1660     closure->notify (closure->data);
1661
1662   g_free (closure);
1663 }
1664
1665 gint
1666 claws_input_add    (gint              source,
1667                     GIOCondition      condition,
1668                     ClawsIOFunc       function,
1669                     gpointer          data,
1670                     gboolean          is_sock)
1671 {
1672   guint result;
1673   ClawsIOClosure *closure = g_new (ClawsIOClosure, 1);
1674   GIOChannel *channel;
1675
1676   closure->function = function;
1677   closure->condition = condition;
1678   closure->notify = NULL;
1679   closure->data = data;
1680
1681 #ifndef G_OS_WIN32
1682   channel = g_io_channel_unix_new (source);
1683 #else
1684   if (is_sock)
1685     channel = g_io_channel_win32_new_socket(source);
1686   else
1687     channel = g_io_channel_win32_new_fd(source);
1688 #endif
1689   result = g_io_add_watch_full (channel, G_PRIORITY_DEFAULT, condition, 
1690                                 claws_io_invoke,
1691                                 closure, claws_io_destroy);
1692   g_io_channel_unref (channel);
1693
1694   return result;
1695 }
1696
1697 void gtkut_widget_set_mapped(GtkWidget *widget, gboolean mapped)
1698 {
1699 #if GTK_CHECK_VERSION(2,20,0)
1700         gtk_widget_set_mapped(widget, mapped);
1701 #else
1702         if (mapped)
1703                 GTK_WIDGET_SET_FLAGS(widget, GTK_MAPPED);
1704         else
1705                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_MAPPED);
1706 #endif
1707 }
1708
1709 void gtkut_widget_set_realized(GtkWidget *widget, gboolean realized)
1710 {
1711 #if GTK_CHECK_VERSION(2,20,0)
1712         gtk_widget_set_realized(widget, realized);
1713 #else
1714         if (realized)
1715                 GTK_WIDGET_SET_FLAGS(widget, GTK_REALIZED);
1716         else
1717                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_REALIZED);
1718 #endif
1719 }
1720
1721 void gtkut_widget_set_can_default(GtkWidget *widget, gboolean can_default)
1722 {
1723 #if GTK_CHECK_VERSION(2,20,0)
1724         gtk_widget_set_can_default(widget, can_default);
1725 #else
1726         if (can_default)
1727                 GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_DEFAULT);
1728         else
1729                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_DEFAULT);
1730 #endif
1731 }
1732
1733 void gtkut_widget_set_receives_default(GtkWidget *widget, gboolean receives_default)
1734 {
1735 #if GTK_CHECK_VERSION(2,20,0)
1736         gtk_widget_set_receives_default(widget, receives_default);
1737 #else
1738         if (receives_default)
1739                 GTK_WIDGET_SET_FLAGS(widget, GTK_RECEIVES_DEFAULT);
1740         else
1741                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_RECEIVES_DEFAULT);
1742 #endif
1743 }
1744
1745 void gtkut_widget_set_can_focus(GtkWidget *widget, gboolean can_focus)
1746 {
1747 #if GTK_CHECK_VERSION(2,20,0)
1748         gtk_widget_set_can_focus(widget, can_focus);
1749 #else
1750         if (can_focus)
1751                 GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_FOCUS);
1752         else
1753                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_FOCUS);
1754 #endif
1755 }
1756
1757 void gtkut_widget_set_has_window(GtkWidget *widget, gboolean has_window)
1758 {
1759 #if GTK_CHECK_VERSION(2,20,0)
1760         gtk_widget_set_has_window(widget, has_window);
1761 #else
1762         if (has_window) /* Inverted logic there */
1763                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_NO_WINDOW);
1764         else
1765                 GTK_WIDGET_SET_FLAGS(widget, GTK_NO_WINDOW);
1766 #endif
1767 }
1768
1769 /**
1770  * Load a pixbuf fitting inside the specified size. EXIF orientation is
1771  * respected if available.
1772  *
1773  * @param[in] filename          the file to load
1774  * @param[in] box_width         the max width (-1 for no resize)
1775  * @param[in] box_height        the max height (-1 for no resize)
1776  * @param[out] error            the possible load error
1777  *
1778  * @return a GdkPixbuf
1779  */
1780 GdkPixbuf *claws_load_pixbuf_fitting(GdkPixbuf *src_pixbuf, int box_width,
1781                                      int box_height)
1782 {
1783         gint w, h, orientation, angle;
1784         gint avail_width, avail_height;
1785         gboolean flip_horiz, flip_vert;
1786         const gchar *orient_str;
1787         GdkPixbuf *pixbuf, *t_pixbuf;
1788
1789         pixbuf = src_pixbuf;
1790
1791         if (pixbuf == NULL)
1792                 return NULL;
1793
1794         angle = 0;
1795         flip_horiz = flip_vert = FALSE;
1796
1797         /* EXIF orientation */
1798         orient_str = gdk_pixbuf_get_option(pixbuf, "orientation");
1799         if (orient_str != NULL && *orient_str != '\0') {
1800                 orientation = atoi(orient_str);
1801                 switch(orientation) {
1802                         /* See EXIF standard for different values */
1803                         case 1: break;
1804                         case 2: flip_horiz = 1;
1805                                 break;
1806                         case 3: angle = 180;
1807                                 break;
1808                         case 4: flip_vert = 1;
1809                                 break;
1810                         case 5: angle = 90;
1811                                 flip_horiz = 1;
1812                                 break;
1813                         case 6: angle = 270;
1814                                 break;
1815                         case 7: angle = 90;
1816                                 flip_vert = 1;
1817                                 break;
1818                         case 8: angle = 90;
1819                                 break;
1820                 }
1821         }
1822
1823         w = gdk_pixbuf_get_width(pixbuf);
1824         h = gdk_pixbuf_get_height(pixbuf);
1825
1826         if (angle == 90 || angle == 270) {
1827                 avail_height = box_width;
1828                 avail_width = box_height;
1829         } else {
1830                 avail_width = box_width;
1831                 avail_height = box_height;
1832         }
1833
1834         /* Scale first */
1835         if (box_width != -1 && box_height != -1 && avail_width - 100 > 0) {
1836                 if (w > avail_width) {
1837                         h = (avail_width * h) / w;
1838                         w = avail_width;
1839                 }
1840                 if (h > avail_height) {
1841                         w = (avail_height * w) / h;
1842                         h = avail_height;
1843                 }
1844                 t_pixbuf = gdk_pixbuf_scale_simple(pixbuf, 
1845                         w, h, GDK_INTERP_BILINEAR);
1846                 g_object_unref(pixbuf);
1847                 pixbuf = t_pixbuf;
1848         }
1849
1850         /* Rotate if needed */
1851         if (angle != 0) {
1852                 t_pixbuf = gdk_pixbuf_rotate_simple(pixbuf, angle);
1853                 g_object_unref(pixbuf);
1854                 pixbuf = t_pixbuf;
1855         }
1856
1857         /* Flip horizontally if needed */
1858         if (flip_horiz) {
1859                 t_pixbuf = gdk_pixbuf_flip(pixbuf, TRUE);
1860                 g_object_unref(pixbuf);
1861                 pixbuf = t_pixbuf;
1862         }
1863
1864         /* Flip vertically if needed */
1865         if (flip_vert) {
1866                 t_pixbuf = gdk_pixbuf_flip(pixbuf, FALSE);
1867                 g_object_unref(pixbuf);
1868                 pixbuf = t_pixbuf;
1869         }
1870
1871         return pixbuf;
1872 }
1873
1874 #if (defined USE_GNUTLS && GLIB_CHECK_VERSION(2,22,0))
1875 static void auto_configure_done(const gchar *hostname, gint port, gboolean ssl, AutoConfigureData *data)
1876 {
1877         if (hostname != NULL) {
1878                 if (data->hostname_entry)
1879                         gtk_entry_set_text(data->hostname_entry, hostname);
1880                 if (data->set_port)
1881                         gtk_toggle_button_set_active(data->set_port,
1882                                 (ssl && port == data->default_ssl_port) || (!ssl && port == data->default_port));
1883                 if (data->port)
1884                         gtk_spin_button_set_value(data->port, port);
1885                 else if (data->hostname_entry) {
1886                         gchar *tmp = g_strdup_printf("%s:%d", hostname, port);
1887                         gtk_entry_set_text(data->hostname_entry, tmp);
1888                         g_free(tmp);
1889                 }
1890
1891                 if (ssl && data->ssl_checkbtn) {
1892                         gtk_toggle_button_set_active(data->ssl_checkbtn, TRUE);
1893                         gtk_toggle_button_set_active(data->tls_checkbtn, FALSE);
1894                 } else if (data->tls_checkbtn) {
1895                         if (!GTK_IS_RADIO_BUTTON(data->ssl_checkbtn)) {
1896                                 /* Wizard where TLS is [x]SSL + [x]TLS */
1897                                 gtk_toggle_button_set_active(data->ssl_checkbtn, TRUE);
1898                         }
1899                         gtk_toggle_button_set_active(data->tls_checkbtn, TRUE);
1900                 }
1901
1902                 /* Check authentication by default. This is probably required if
1903                  * auto-configuration worked.
1904                  */
1905                 if (data->auth_checkbtn)
1906                         gtk_toggle_button_set_active(data->auth_checkbtn, TRUE);
1907
1908                 gtk_label_set_text(data->info_label, _("Done."));
1909         } else {
1910         gtk_label_set_text(data->info_label, _("Failed."));
1911         }
1912         gtk_widget_show(GTK_WIDGET(data->configure_button));
1913         gtk_widget_hide(GTK_WIDGET(data->cancel_button));
1914         g_free(data->domain);
1915         g_free(data);
1916 }
1917
1918 static void resolve_done(GObject *source, GAsyncResult *result, gpointer user_data)
1919 {
1920         AutoConfigureData *data = (AutoConfigureData *)user_data;
1921         GResolver *resolver = (GResolver *)source;
1922         GError *error = NULL;
1923         gchar *hostname = NULL;
1924         guint16 port;
1925         GList *answers, *cur;
1926         gboolean found = FALSE;
1927         gboolean abort = FALSE;
1928
1929         answers = g_resolver_lookup_service_finish(resolver, result, &error);
1930
1931         if (answers) {
1932                 for (cur = g_srv_target_list_sort(answers); cur; cur = cur->next) {
1933                         GSrvTarget *target = (GSrvTarget *)cur->data;
1934                         const gchar *h = g_srv_target_get_hostname(target);
1935                         port = g_srv_target_get_port(target);
1936                         if (h && strcmp(h,"") && port > 0) {
1937                                 hostname = g_strdup(h);
1938                                 found = TRUE;
1939                                 break;
1940                         }
1941                 }
1942                 g_resolver_free_targets(answers);
1943         } else if (error) {
1944                 if (error->code == G_IO_ERROR_CANCELLED)
1945                         abort = TRUE;
1946                 debug_print("error %s\n", error->message);
1947                 g_error_free(error);
1948         }
1949
1950         if (found) {
1951                 auto_configure_done(hostname, port, data->ssl_service != NULL, data);
1952         } else if (data->ssl_service && !abort) {
1953                 /* Fallback to TLS */
1954                 data->ssl_service = NULL;
1955                 auto_configure_service(data);
1956         } else {
1957                 auto_configure_done(NULL, 0, FALSE, data);
1958         }
1959         g_free(hostname);
1960         g_object_unref(resolver);
1961 }
1962
1963 void auto_configure_service(AutoConfigureData *data)
1964 {
1965         GResolver *resolver;
1966         const gchar *cur_service = data->ssl_service != NULL ? data->ssl_service : data->tls_service;
1967
1968         cm_return_if_fail(cur_service != NULL);
1969         cm_return_if_fail(data->domain != NULL);
1970
1971         resolver = g_resolver_get_default();
1972         if (resolver != NULL) {
1973                 gtk_label_set_text(data->info_label, _("Configuring..."));
1974                 gtk_widget_hide(GTK_WIDGET(data->configure_button));
1975                 gtk_widget_show(GTK_WIDGET(data->cancel_button));
1976                 g_resolver_lookup_service_async(resolver, cur_service, "tcp", data->domain,
1977                                         data->cancel, resolve_done, data);
1978         }
1979 }
1980
1981 gboolean auto_configure_service_sync(const gchar *service, const gchar *domain, gchar **srvhost, guint16 *srvport)
1982 {
1983         GResolver *resolver;
1984         GList *answers, *cur;
1985         GError *error = NULL;
1986         gboolean result = FALSE;
1987
1988         cm_return_val_if_fail(service != NULL, FALSE);
1989         cm_return_val_if_fail(domain != NULL, FALSE);
1990
1991         resolver = g_resolver_get_default();
1992         if (resolver == NULL)
1993                 return FALSE;
1994
1995         answers = g_resolver_lookup_service(resolver, service, "tcp", domain, NULL, &error);
1996
1997         *srvhost = NULL;
1998         *srvport = 0;
1999
2000         if (answers) {
2001                 for (cur = g_srv_target_list_sort(answers); cur; cur = cur->next) {
2002                         GSrvTarget *target = (GSrvTarget *)cur->data;
2003                         const gchar *hostname = g_srv_target_get_hostname(target);
2004                         guint16 port = g_srv_target_get_port(target);
2005                         if (hostname && strcmp(hostname,"") && port > 0) {
2006                                 result = TRUE;
2007                                 *srvhost = g_strdup(hostname);
2008                                 *srvport = port;
2009                                 break;
2010                         }
2011                 }
2012                 g_resolver_free_targets(answers);
2013         } else if (error) {
2014                 g_error_free(error);
2015         }
2016
2017         g_object_unref(resolver);
2018         return result;
2019 }
2020 #endif