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         gsize pngsize;
1116         GdkPixbuf *pixbuf;
1117         GError *error = NULL;
1118         GdkPixbufLoader *loader = gdk_pixbuf_loader_new ();
1119         GtkWidget *image;
1120
1121         if (o_face == NULL || strlen(o_face) == 0)
1122                 return NULL;
1123
1124         strncpy2(face, o_face, sizeof(face));
1125
1126         unfold_line(face); /* strip all whitespace and linebreaks */
1127         remove_space(face);
1128
1129         face_png = g_base64_decode(face, &pngsize);
1130         debug_print("---------------------- loaded face png\n");
1131
1132         if (!gdk_pixbuf_loader_write (loader, face_png, pngsize, &error) ||
1133             !gdk_pixbuf_loader_close (loader, &error)) {
1134                 g_warning("loading face failed\n");
1135                 g_object_unref(loader);
1136                 g_free(face_png);
1137                 return NULL;
1138         }
1139         g_free(face_png);
1140
1141         pixbuf = g_object_ref(gdk_pixbuf_loader_get_pixbuf(loader));
1142
1143         g_object_unref(loader);
1144
1145         if ((gdk_pixbuf_get_width(pixbuf) != 48) || (gdk_pixbuf_get_height(pixbuf) != 48)) {
1146                 g_object_unref(pixbuf);
1147                 g_warning("wrong_size\n");
1148                 return NULL;
1149         }
1150
1151         image = gtk_image_new_from_pixbuf(pixbuf);
1152         g_object_unref(pixbuf);
1153         return image;
1154 }
1155
1156 static GdkCursor *hand_cursor = NULL;
1157
1158 static void link_btn_enter(GtkButton *button, gpointer data)
1159 {
1160         GdkWindow *gdkwin;
1161         GtkWidget *window = (GtkWidget *)data;
1162
1163         gdkwin = gtk_widget_get_window(window);
1164
1165         if (!hand_cursor)
1166                 hand_cursor = gdk_cursor_new(GDK_HAND2);
1167         if (window && gdkwin)
1168                 gdk_window_set_cursor(gdkwin, hand_cursor);
1169
1170         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1171         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1172
1173 }
1174
1175 static void link_btn_leave(GtkButton *button, gpointer data)
1176 {
1177         GdkWindow *gdkwin;
1178         GtkWidget *window = (GtkWidget *)data;
1179
1180         gdkwin = gtk_widget_get_window(window);
1181
1182         if (window && gdkwin)
1183                 gdk_window_set_cursor(gdkwin, NULL);
1184
1185         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1186         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1187 }
1188
1189 static void link_btn_pressed(GtkButton *button, gpointer data)
1190 {
1191         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1192         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1193 }
1194
1195 static void link_btn_released(GtkButton *button, gpointer data)
1196 {
1197         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1198         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1199 }
1200
1201 static void link_btn_clicked(GtkButton *button, gpointer data)
1202 {
1203         gchar *url = (gchar *)data;
1204         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1205         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1206         open_uri(url, prefs_common_get_uri_cmd());
1207 }
1208
1209 static void link_btn_unrealize(GtkButton *button, gpointer data)
1210 {
1211         gchar *url = (gchar *)data;
1212         g_signal_handlers_disconnect_by_func(G_OBJECT(button),
1213                          G_CALLBACK(link_btn_clicked), url);
1214         g_free(url);
1215 }
1216
1217 GtkWidget *gtkut_get_link_btn(GtkWidget *window, const gchar *url, const gchar *label)
1218 {
1219         GtkWidget *btn;
1220         GtkWidget *btn_label;
1221 #if !GTK_CHECK_VERSION(3, 0, 0)
1222         GdkColormap *cmap;
1223         gboolean success[2];
1224 #endif
1225         GdkColor uri_color[2] = {{0, 0, 0, 0xffff}, {0, 0xffff, 0, 0}};
1226         gchar *local_url = NULL;
1227         if (!url)
1228                 return NULL;
1229
1230         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1231                                                &uri_color[0]);
1232         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1233                                                &uri_color[1]);
1234
1235         btn = gtk_button_new_with_label(label?label:url);
1236         gtk_button_set_relief(GTK_BUTTON(btn), GTK_RELIEF_NONE);
1237         btn_label = gtk_bin_get_child(GTK_BIN((btn)));
1238 #if !GTK_CHECK_VERSION(3, 0, 0)
1239         cmap = gdk_drawable_get_colormap(gtk_widget_get_window(window));
1240         gdk_colormap_alloc_colors(cmap, uri_color, 2, FALSE, TRUE, success);
1241         if (success[0] == TRUE && success[1] == TRUE) {
1242 #endif
1243                 GtkStyle *style;
1244                 gtk_widget_ensure_style(btn_label);
1245                 style = gtk_style_copy
1246                         (gtk_widget_get_style(btn_label));
1247                 style->fg[GTK_STATE_NORMAL]   = uri_color[0];
1248                 style->fg[GTK_STATE_ACTIVE]   = uri_color[1];
1249                 style->fg[GTK_STATE_PRELIGHT] = uri_color[0];
1250                 gtk_widget_set_style(btn_label, style);
1251 #if !GTK_CHECK_VERSION(3, 0, 0)
1252         } else
1253                 g_warning("color allocation failed\n");
1254 #endif
1255
1256         g_signal_connect(G_OBJECT(btn), "enter",
1257                          G_CALLBACK(link_btn_enter), window);
1258         g_signal_connect(G_OBJECT(btn), "leave",
1259                          G_CALLBACK(link_btn_leave), window);
1260         g_signal_connect(G_OBJECT(btn), "pressed",
1261                          G_CALLBACK(link_btn_pressed), window);
1262         g_signal_connect(G_OBJECT(btn), "released",
1263                          G_CALLBACK(link_btn_released), window);
1264
1265         local_url = g_strdup(url);
1266         g_signal_connect(G_OBJECT(btn), "clicked",
1267                          G_CALLBACK(link_btn_clicked), local_url);
1268         g_signal_connect(G_OBJECT(btn), "unrealize",
1269                          G_CALLBACK(link_btn_unrealize), local_url);
1270         return btn;
1271 }
1272
1273 static gboolean _combobox_separator_func(GtkTreeModel *model,
1274                 GtkTreeIter *iter, gpointer data)
1275 {
1276         gchar *txt = NULL;
1277
1278         cm_return_val_if_fail(model != NULL, FALSE);
1279
1280         gtk_tree_model_get(model, iter, COMBOBOX_TEXT, &txt, -1);
1281
1282         if( txt == NULL )
1283                 return TRUE;
1284
1285         g_free(txt);
1286         return FALSE;
1287 }
1288
1289 GtkWidget *gtkut_sc_combobox_create(GtkWidget *eventbox, gboolean focus_on_click)
1290 {
1291         GtkWidget *combobox;
1292         GtkListStore *menu;
1293         GtkCellRenderer *rend;
1294
1295         menu = gtk_list_store_new(3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_BOOLEAN);
1296
1297         combobox = gtk_combo_box_new_with_model(GTK_TREE_MODEL(menu));
1298
1299         rend = gtk_cell_renderer_text_new();
1300         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combobox), rend, TRUE);
1301         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combobox), rend,
1302                         "markup", COMBOBOX_TEXT,
1303                         "sensitive", COMBOBOX_SENS,
1304                         NULL);
1305
1306         if( eventbox != NULL )
1307                 gtk_container_add(GTK_CONTAINER(eventbox), combobox);
1308         gtk_combo_box_set_focus_on_click(GTK_COMBO_BOX(combobox), focus_on_click);
1309
1310         gtk_combo_box_set_row_separator_func(GTK_COMBO_BOX(combobox),
1311                         (GtkTreeViewRowSeparatorFunc)_combobox_separator_func, NULL, NULL);
1312
1313         return combobox;
1314 }
1315
1316 static void gtkutils_smooth_scroll_do(GtkWidget *widget, GtkAdjustment *vadj,
1317                                       gfloat old_value, gfloat last_value,
1318                                       gint step)
1319 {
1320         gint change_value;
1321         gboolean up;
1322         gint i;
1323
1324         if (old_value < last_value) {
1325                 change_value = last_value - old_value;
1326                 up = FALSE;
1327         } else {
1328                 change_value = old_value - last_value;
1329                 up = TRUE;
1330         }
1331
1332         for (i = step; i <= change_value; i += step) {
1333                 gtk_adjustment_set_value(vadj, old_value + (up ? -i : i));
1334                 g_signal_emit_by_name(G_OBJECT(vadj),
1335                                       "value_changed", 0);
1336         }
1337
1338         gtk_adjustment_set_value(vadj, last_value);
1339         g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0);
1340
1341         gtk_widget_queue_draw(widget);
1342 }
1343
1344 static gboolean gtkutils_smooth_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1345 {
1346         gfloat upper;
1347         gfloat page_incr;
1348         gfloat old_value;
1349         gfloat last_value;
1350
1351         page_incr = gtk_adjustment_get_page_increment(vadj);
1352         if (prefs_common.scroll_halfpage)
1353                 page_incr /= 2;
1354
1355         old_value = gtk_adjustment_get_value(vadj);
1356         if (!up) {
1357                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1358                 if (old_value < upper) {
1359                         last_value = old_value + page_incr;
1360                         last_value = MIN(last_value, upper);
1361
1362                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1363                                                   last_value,
1364                                                   prefs_common.scroll_step);
1365                 } else
1366                         return FALSE;
1367         } else {
1368                 if (old_value > 0.0) {
1369                         last_value = old_value - page_incr;
1370                         last_value = MAX(last_value, 0.0);
1371
1372                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1373                                                   last_value,
1374                                                   prefs_common.scroll_step);
1375                 } else
1376                         return FALSE;
1377         }
1378
1379         return TRUE;
1380 }
1381
1382 gboolean gtkutils_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1383 {
1384         gfloat upper;
1385         gfloat page_incr;
1386         gfloat old_value;
1387
1388         if (prefs_common.enable_smooth_scroll)
1389                 return gtkutils_smooth_scroll_page(widget, vadj, up);
1390
1391         page_incr = gtk_adjustment_get_page_increment(vadj);
1392         if (prefs_common.scroll_halfpage)
1393                 page_incr /= 2;
1394
1395         old_value = gtk_adjustment_get_value(vadj);
1396         if (!up) {
1397                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1398                 if (old_value < upper) {
1399                         old_value += page_incr;
1400                         old_value = MIN(old_value, upper);
1401                         gtk_adjustment_set_value(vadj, old_value);
1402                         g_signal_emit_by_name(G_OBJECT(vadj),
1403                                               "value_changed", 0);
1404                 } else
1405                         return FALSE;
1406         } else {
1407                 if (old_value > 0.0) {
1408                         old_value -= page_incr;
1409                         old_value = MAX(old_value, 0.0);
1410                         gtk_adjustment_set_value(vadj, old_value);
1411                         g_signal_emit_by_name(G_OBJECT(vadj),
1412                                               "value_changed", 0);
1413                 } else
1414                         return FALSE;
1415         }
1416         return TRUE;
1417 }
1418
1419 static void gtkutils_smooth_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1420 {
1421         gfloat upper;
1422         gfloat old_value;
1423         gfloat last_value;
1424
1425         old_value = gtk_adjustment_get_value(vadj);
1426         if (!up) {
1427                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1428                 if (old_value < upper) {
1429                         last_value = old_value + gtk_adjustment_get_step_increment(vadj);
1430                         last_value = MIN(last_value, upper);
1431
1432                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1433                                                   last_value,
1434                                                   prefs_common.scroll_step);
1435                 }
1436         } else {
1437                 if (old_value > 0.0) {
1438                         last_value = old_value - gtk_adjustment_get_step_increment(vadj);
1439                         last_value = MAX(last_value, 0.0);
1440
1441                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1442                                                   last_value,
1443                                                   prefs_common.scroll_step);
1444                 }
1445         }
1446 }
1447
1448 void gtkutils_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1449 {
1450         gfloat upper;
1451         gfloat old_value;
1452
1453         if (prefs_common.enable_smooth_scroll) {
1454                 gtkutils_smooth_scroll_one_line(widget, vadj, up);
1455                 return;
1456         }
1457
1458         old_value = gtk_adjustment_get_value(vadj);
1459         if (!up) {
1460                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1461                 if (old_value < upper) {
1462                         old_value += gtk_adjustment_get_step_increment(vadj);
1463                         old_value = MIN(old_value, upper);
1464                         gtk_adjustment_set_value(vadj, old_value);
1465                         g_signal_emit_by_name(G_OBJECT(vadj),
1466                                               "value_changed", 0);
1467                 }
1468         } else {
1469                 if (old_value > 0.0) {
1470                         old_value -= gtk_adjustment_get_step_increment(vadj);
1471                         old_value = MAX(old_value, 0.0);
1472                         gtk_adjustment_set_value(vadj, old_value);
1473                         g_signal_emit_by_name(G_OBJECT(vadj),
1474                                               "value_changed", 0);
1475                 }
1476         }
1477 }
1478
1479 gboolean gtkut_tree_model_text_iter_prev(GtkTreeModel *model,
1480                                  GtkTreeIter *iter,
1481                                  const gchar* text)
1482 /* do the same as gtk_tree_model_iter_next, but _prev instead.
1483    to use with widgets with one text column (gtk_combo_box_new_text()
1484    and with GtkComboBoxEntry's for instance),
1485 */
1486 {
1487         GtkTreeIter cur_iter;
1488         gchar *cur_value;
1489         gboolean valid;
1490         gint count;
1491
1492         cm_return_val_if_fail(model != NULL, FALSE);
1493         cm_return_val_if_fail(iter != NULL, FALSE);
1494
1495         if (text == NULL || *text == '\0')
1496                 return FALSE;
1497
1498         valid = gtk_tree_model_get_iter_first(model, &cur_iter);
1499         count = 0;
1500         while (valid) {
1501                 gtk_tree_model_get(model, &cur_iter, 0, &cur_value, -1);
1502
1503                 if (strcmp(text, cur_value) == 0) {
1504                         if (count <= 0)
1505                                 return FALSE;
1506
1507                         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1508                 }
1509
1510                 valid = gtk_tree_model_iter_next(model, &cur_iter);
1511                 count++;
1512         }
1513         return FALSE;
1514 }
1515
1516 gboolean gtkut_tree_model_get_iter_last(GtkTreeModel *model,
1517                                  GtkTreeIter *iter)
1518 /* do the same as gtk_tree_model_get_iter_first, but _last instead.
1519 */
1520 {
1521         gint count;
1522
1523         cm_return_val_if_fail(model != NULL, FALSE);
1524         cm_return_val_if_fail(iter != NULL, FALSE);
1525
1526         count = gtk_tree_model_iter_n_children(model, NULL);
1527
1528         if (count <= 0)
1529                 return FALSE;
1530
1531         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1532 }
1533
1534 GtkWidget *gtkut_window_new             (GtkWindowType   type,
1535                                          const gchar    *class)
1536 {
1537         GtkWidget *window = gtk_window_new(type);
1538         gtk_window_set_role(GTK_WINDOW(window), class);
1539         return window;
1540 }
1541
1542 static gboolean gtkut_tree_iter_comp(GtkTreeModel *model,
1543                                      GtkTreeIter *iter1,
1544                                      GtkTreeIter *iter2)
1545 {
1546         GtkTreePath *path1 = gtk_tree_model_get_path(model, iter1);
1547         GtkTreePath *path2 = gtk_tree_model_get_path(model, iter2);
1548         gboolean result;
1549
1550         result = gtk_tree_path_compare(path1, path2) == 0;
1551
1552         gtk_tree_path_free(path1);
1553         gtk_tree_path_free(path2);
1554
1555         return result;
1556 }
1557
1558 /*!
1559  *\brief        Get selected row number.
1560  */
1561 gint gtkut_list_view_get_selected_row(GtkWidget *list_view)
1562 {
1563         GtkTreeView *view = GTK_TREE_VIEW(list_view);
1564         GtkTreeModel *model = gtk_tree_view_get_model(view);
1565         int n_rows = gtk_tree_model_iter_n_children(model, NULL);
1566         GtkTreeSelection *selection;
1567         GtkTreeIter iter;
1568         int row;
1569
1570         if (n_rows == 0)
1571                 return -1;
1572
1573         selection = gtk_tree_view_get_selection(view);
1574         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1575                 return -1;
1576
1577         /* get all iterators and compare them... */
1578         for (row = 0; row < n_rows; row++) {
1579                 GtkTreeIter itern;
1580
1581                 if (gtk_tree_model_iter_nth_child(model, &itern, NULL, row)
1582                  && gtkut_tree_iter_comp(model, &iter, &itern))
1583                         return row;
1584         }
1585
1586         return -1;
1587 }
1588
1589 /*!
1590  *\brief        Select a row by its number.
1591  */
1592 gboolean gtkut_list_view_select_row(GtkWidget *list, gint row)
1593 {
1594         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1595         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
1596         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1597         GtkTreeIter iter;
1598         GtkTreePath *path;
1599
1600         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1601                 return FALSE;
1602
1603         gtk_tree_selection_select_iter(selection, &iter);
1604
1605         path = gtk_tree_model_get_path(model, &iter);
1606         gtk_tree_view_set_cursor(list_view, path, NULL, FALSE);
1607         gtk_tree_path_free(path);
1608
1609         return TRUE;
1610 }
1611
1612 static GtkUIManager *gui_manager = NULL;
1613
1614 GtkUIManager *gtkut_create_ui_manager(void)
1615 {
1616         cm_return_val_if_fail(gui_manager == NULL, gui_manager);
1617         return (gui_manager = gtk_ui_manager_new());
1618 }
1619
1620 GtkUIManager *gtkut_ui_manager(void)
1621 {
1622         return gui_manager;
1623 }
1624
1625 typedef struct _ClawsIOClosure ClawsIOClosure;
1626
1627 struct _ClawsIOClosure
1628 {
1629   ClawsIOFunc function;
1630   GIOCondition condition;
1631   GDestroyNotify notify;
1632   gpointer data;
1633 };
1634
1635 static gboolean
1636 claws_io_invoke (GIOChannel   *source,
1637                  GIOCondition  condition,
1638                  gpointer      data)
1639 {
1640   ClawsIOClosure *closure = data;
1641   int fd;
1642 #ifndef G_OS_WIN32
1643   fd = g_io_channel_unix_get_fd (source);
1644 #else
1645   fd = g_io_channel_win32_get_fd (source);
1646 #endif
1647   if (closure->condition & condition)
1648     closure->function (closure->data, fd, condition);
1649
1650   return TRUE;
1651 }
1652
1653 static void
1654 claws_io_destroy (gpointer data)
1655 {
1656   ClawsIOClosure *closure = data;
1657
1658   if (closure->notify)
1659     closure->notify (closure->data);
1660
1661   g_free (closure);
1662 }
1663
1664 gint
1665 claws_input_add    (gint              source,
1666                     GIOCondition      condition,
1667                     ClawsIOFunc       function,
1668                     gpointer          data,
1669                     gboolean          is_sock)
1670 {
1671   guint result;
1672   ClawsIOClosure *closure = g_new (ClawsIOClosure, 1);
1673   GIOChannel *channel;
1674
1675   closure->function = function;
1676   closure->condition = condition;
1677   closure->notify = NULL;
1678   closure->data = data;
1679
1680 #ifndef G_OS_WIN32
1681   channel = g_io_channel_unix_new (source);
1682 #else
1683   if (is_sock)
1684     channel = g_io_channel_win32_new_socket(source);
1685   else
1686     channel = g_io_channel_win32_new_fd(source);
1687 #endif
1688   result = g_io_add_watch_full (channel, G_PRIORITY_DEFAULT, condition,
1689                                 claws_io_invoke,
1690                                 closure, claws_io_destroy);
1691   g_io_channel_unref (channel);
1692
1693   return result;
1694 }
1695
1696 void gtkut_widget_set_mapped(GtkWidget *widget, gboolean mapped)
1697 {
1698 #if GTK_CHECK_VERSION(2,20,0)
1699         gtk_widget_set_mapped(widget, mapped);
1700 #else
1701         if (mapped)
1702                 GTK_WIDGET_SET_FLAGS(widget, GTK_MAPPED);
1703         else
1704                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_MAPPED);
1705 #endif
1706 }
1707
1708 void gtkut_widget_set_realized(GtkWidget *widget, gboolean realized)
1709 {
1710 #if GTK_CHECK_VERSION(2,20,0)
1711         gtk_widget_set_realized(widget, realized);
1712 #else
1713         if (realized)
1714                 GTK_WIDGET_SET_FLAGS(widget, GTK_REALIZED);
1715         else
1716                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_REALIZED);
1717 #endif
1718 }
1719
1720 void gtkut_widget_set_can_default(GtkWidget *widget, gboolean can_default)
1721 {
1722 #if GTK_CHECK_VERSION(2,20,0)
1723         gtk_widget_set_can_default(widget, can_default);
1724 #else
1725         if (can_default)
1726                 GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_DEFAULT);
1727         else
1728                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_DEFAULT);
1729 #endif
1730 }
1731
1732 void gtkut_widget_set_receives_default(GtkWidget *widget, gboolean receives_default)
1733 {
1734 #if GTK_CHECK_VERSION(2,20,0)
1735         gtk_widget_set_receives_default(widget, receives_default);
1736 #else
1737         if (receives_default)
1738                 GTK_WIDGET_SET_FLAGS(widget, GTK_RECEIVES_DEFAULT);
1739         else
1740                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_RECEIVES_DEFAULT);
1741 #endif
1742 }
1743
1744 void gtkut_widget_set_can_focus(GtkWidget *widget, gboolean can_focus)
1745 {
1746 #if GTK_CHECK_VERSION(2,20,0)
1747         gtk_widget_set_can_focus(widget, can_focus);
1748 #else
1749         if (can_focus)
1750                 GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_FOCUS);
1751         else
1752                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_FOCUS);
1753 #endif
1754 }
1755
1756 void gtkut_widget_set_has_window(GtkWidget *widget, gboolean has_window)
1757 {
1758 #if GTK_CHECK_VERSION(2,20,0)
1759         gtk_widget_set_has_window(widget, has_window);
1760 #else
1761         if (has_window) /* Inverted logic there */
1762                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_NO_WINDOW);
1763         else
1764                 GTK_WIDGET_SET_FLAGS(widget, GTK_NO_WINDOW);
1765 #endif
1766 }
1767
1768 /**
1769  * Load a pixbuf fitting inside the specified size. EXIF orientation is
1770  * respected if available.
1771  *
1772  * @param[in] filename          the file to load
1773  * @param[in] box_width         the max width (-1 for no resize)
1774  * @param[in] box_height        the max height (-1 for no resize)
1775  * @param[out] error            the possible load error
1776  *
1777  * @return a GdkPixbuf
1778  */
1779 GdkPixbuf *claws_load_pixbuf_fitting(GdkPixbuf *src_pixbuf, int box_width,
1780                                      int box_height)
1781 {
1782         gint w, h, orientation, angle;
1783         gint avail_width, avail_height;
1784         gboolean flip_horiz, flip_vert;
1785         const gchar *orient_str;
1786         GdkPixbuf *pixbuf, *t_pixbuf;
1787
1788         pixbuf = src_pixbuf;
1789
1790         if (pixbuf == NULL)
1791                 return NULL;
1792
1793         angle = 0;
1794         flip_horiz = flip_vert = FALSE;
1795
1796         /* EXIF orientation */
1797         orient_str = gdk_pixbuf_get_option(pixbuf, "orientation");
1798         if (orient_str != NULL && *orient_str != '\0') {
1799                 orientation = atoi(orient_str);
1800                 switch(orientation) {
1801                         /* See EXIF standard for different values */
1802                         case 1: break;
1803                         case 2: flip_horiz = 1;
1804                                 break;
1805                         case 3: angle = 180;
1806                                 break;
1807                         case 4: flip_vert = 1;
1808                                 break;
1809                         case 5: angle = 90;
1810                                 flip_horiz = 1;
1811                                 break;
1812                         case 6: angle = 270;
1813                                 break;
1814                         case 7: angle = 90;
1815                                 flip_vert = 1;
1816                                 break;
1817                         case 8: angle = 90;
1818                                 break;
1819                 }
1820         }
1821
1822         w = gdk_pixbuf_get_width(pixbuf);
1823         h = gdk_pixbuf_get_height(pixbuf);
1824
1825         if (angle == 90 || angle == 270) {
1826                 avail_height = box_width;
1827                 avail_width = box_height;
1828         } else {
1829                 avail_width = box_width;
1830                 avail_height = box_height;
1831         }
1832
1833         /* Scale first */
1834         if (box_width != -1 && box_height != -1 && avail_width - 100 > 0) {
1835                 if (w > avail_width) {
1836                         h = (avail_width * h) / w;
1837                         w = avail_width;
1838                 }
1839                 if (h > avail_height) {
1840                         w = (avail_height * w) / h;
1841                         h = avail_height;
1842                 }
1843                 t_pixbuf = gdk_pixbuf_scale_simple(pixbuf,
1844                         w, h, GDK_INTERP_BILINEAR);
1845                 g_object_unref(pixbuf);
1846                 pixbuf = t_pixbuf;
1847         }
1848
1849         /* Rotate if needed */
1850         if (angle != 0) {
1851                 t_pixbuf = gdk_pixbuf_rotate_simple(pixbuf, angle);
1852                 g_object_unref(pixbuf);
1853                 pixbuf = t_pixbuf;
1854         }
1855
1856         /* Flip horizontally if needed */
1857         if (flip_horiz) {
1858                 t_pixbuf = gdk_pixbuf_flip(pixbuf, TRUE);
1859                 g_object_unref(pixbuf);
1860                 pixbuf = t_pixbuf;
1861         }
1862
1863         /* Flip vertically if needed */
1864         if (flip_vert) {
1865                 t_pixbuf = gdk_pixbuf_flip(pixbuf, FALSE);
1866                 g_object_unref(pixbuf);
1867                 pixbuf = t_pixbuf;
1868         }
1869
1870         return pixbuf;
1871 }
1872
1873 #if (defined USE_GNUTLS && GLIB_CHECK_VERSION(2,22,0))
1874 static void auto_configure_done(const gchar *hostname, gint port, gboolean ssl, AutoConfigureData *data)
1875 {
1876         if (hostname != NULL) {
1877                 if (data->hostname_entry)
1878                         gtk_entry_set_text(data->hostname_entry, hostname);
1879                 if (data->set_port)
1880                         gtk_toggle_button_set_active(data->set_port,
1881                                 (ssl && port != data->default_ssl_port) || (!ssl && port != data->default_port));
1882                 if (data->port)
1883                         gtk_spin_button_set_value(data->port, port);
1884                 else if (data->hostname_entry) {
1885                         if ((ssl && port != data->default_ssl_port) || (!ssl && port != data->default_port)) {
1886                                 gchar *tmp = g_strdup_printf("%s:%d", hostname, port);
1887                                 gtk_entry_set_text(data->hostname_entry, tmp);
1888                                 g_free(tmp);
1889                         } else
1890                                 gtk_entry_set_text(data->hostname_entry, hostname);
1891                 }
1892
1893                 if (ssl && data->ssl_checkbtn) {
1894                         gtk_toggle_button_set_active(data->ssl_checkbtn, TRUE);
1895                         gtk_toggle_button_set_active(data->tls_checkbtn, FALSE);
1896                 } else if (data->tls_checkbtn) {
1897                         if (!GTK_IS_RADIO_BUTTON(data->ssl_checkbtn)) {
1898                                 /* Wizard where TLS is [x]SSL + [x]TLS */
1899                                 gtk_toggle_button_set_active(data->ssl_checkbtn, TRUE);
1900                         }
1901                         gtk_toggle_button_set_active(data->tls_checkbtn, TRUE);
1902                 }
1903
1904                 /* Check authentication by default. This is probably required if
1905                  * auto-configuration worked.
1906                  */
1907                 if (data->auth_checkbtn)
1908                         gtk_toggle_button_set_active(data->auth_checkbtn, TRUE);
1909
1910                 /* Set user ID to full email address, which is used by the
1911                  * majority of providers where auto-configuration works.
1912                  */
1913                 if (data->uid_entry)
1914                         gtk_entry_set_text(data->uid_entry, data->address);
1915
1916                 gtk_label_set_text(data->info_label, _("Done."));
1917         } else {
1918         gtk_label_set_text(data->info_label, _("Failed."));
1919         }
1920         gtk_widget_show(GTK_WIDGET(data->configure_button));
1921         gtk_widget_hide(GTK_WIDGET(data->cancel_button));
1922         g_free(data->address);
1923         g_free(data);
1924 }
1925
1926 static void resolve_done(GObject *source, GAsyncResult *result, gpointer user_data)
1927 {
1928         AutoConfigureData *data = (AutoConfigureData *)user_data;
1929         GResolver *resolver = (GResolver *)source;
1930         GError *error = NULL;
1931         gchar *hostname = NULL;
1932         guint16 port;
1933         GList *answers, *cur;
1934         gboolean found = FALSE;
1935         gboolean abort = FALSE;
1936
1937         answers = g_resolver_lookup_service_finish(resolver, result, &error);
1938
1939         if (answers) {
1940                 for (cur = g_srv_target_list_sort(answers); cur; cur = cur->next) {
1941                         GSrvTarget *target = (GSrvTarget *)cur->data;
1942                         const gchar *h = g_srv_target_get_hostname(target);
1943                         port = g_srv_target_get_port(target);
1944                         if (h && strcmp(h,"") && port > 0) {
1945                                 hostname = g_strdup(h);
1946                                 found = TRUE;
1947                                 break;
1948                         }
1949                 }
1950                 g_resolver_free_targets(answers);
1951         } else if (error) {
1952                 if (error->code == G_IO_ERROR_CANCELLED)
1953                         abort = TRUE;
1954                 debug_print("error %s\n", error->message);
1955                 g_error_free(error);
1956         }
1957
1958         if (found) {
1959                 auto_configure_done(hostname, port, data->ssl_service != NULL, data);
1960         } else if (data->ssl_service && !abort) {
1961                 /* Fallback to TLS */
1962                 data->ssl_service = NULL;
1963                 auto_configure_service(data);
1964         } else {
1965                 auto_configure_done(NULL, 0, FALSE, data);
1966         }
1967         g_free(hostname);
1968         g_object_unref(resolver);
1969 }
1970
1971 void auto_configure_service(AutoConfigureData *data)
1972 {
1973         GResolver *resolver;
1974         const gchar *cur_service = data->ssl_service != NULL ? data->ssl_service : data->tls_service;
1975
1976         cm_return_if_fail(cur_service != NULL);
1977         cm_return_if_fail(data->address != NULL);
1978
1979         resolver = g_resolver_get_default();
1980         if (resolver != NULL) {
1981                 const gchar *domain = strchr(data->address, '@') + 1;
1982
1983                 gtk_label_set_text(data->info_label, _("Configuring..."));
1984                 gtk_widget_hide(GTK_WIDGET(data->configure_button));
1985                 gtk_widget_show(GTK_WIDGET(data->cancel_button));
1986                 g_resolver_lookup_service_async(resolver, cur_service, "tcp", domain,
1987                                         data->cancel, resolve_done, data);
1988         }
1989 }
1990
1991 gboolean auto_configure_service_sync(const gchar *service, const gchar *domain, gchar **srvhost, guint16 *srvport)
1992 {
1993         GResolver *resolver;
1994         GList *answers, *cur;
1995         GError *error = NULL;
1996         gboolean result = FALSE;
1997
1998         cm_return_val_if_fail(service != NULL, FALSE);
1999         cm_return_val_if_fail(domain != NULL, FALSE);
2000
2001         resolver = g_resolver_get_default();
2002         if (resolver == NULL)
2003                 return FALSE;
2004
2005         answers = g_resolver_lookup_service(resolver, service, "tcp", domain, NULL, &error);
2006
2007         *srvhost = NULL;
2008         *srvport = 0;
2009
2010         if (answers) {
2011                 for (cur = g_srv_target_list_sort(answers); cur; cur = cur->next) {
2012                         GSrvTarget *target = (GSrvTarget *)cur->data;
2013                         const gchar *hostname = g_srv_target_get_hostname(target);
2014                         guint16 port = g_srv_target_get_port(target);
2015                         if (hostname && strcmp(hostname,"") && port > 0) {
2016                                 result = TRUE;
2017                                 *srvhost = g_strdup(hostname);
2018                                 *srvport = port;
2019                                 break;
2020                         }
2021                 }
2022                 g_resolver_free_targets(answers);
2023         } else if (error) {
2024                 g_error_free(error);
2025         }
2026
2027         g_object_unref(resolver);
2028         return result;
2029 }
2030 #endif