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 "base64.h"
  61 #include "manual.h"
  62 #include "combobox.h"
  63
  64 gboolean gtkut_get_font_size(GtkWidget *widget,
  65                              gint *width, gint *height)
  66 {
  67         PangoLayout *layout;
  68         const gchar *str = "Abcdef";
  69
  70         cm_return_val_if_fail(GTK_IS_WIDGET(widget), FALSE);
  71
  72         layout = gtk_widget_create_pango_layout(widget, str);
  73         cm_return_val_if_fail(layout, FALSE);
  74         pango_layout_get_pixel_size(layout, width, height);
  75         if (width)
  76                 *width = *width / g_utf8_strlen(str, -1);
  77         g_object_unref(layout);
  78
  79         return TRUE;
  80 }
  81
  82 void gtkut_widget_set_small_font_size(GtkWidget *widget)
  83 {
  84         PangoFontDescription *font_desc;
  85         gint size;
  86
  87         cm_return_if_fail(widget != NULL);
  88         cm_return_if_fail(gtk_widget_get_style(widget) != NULL);
  89
  90         if (prefs_common.derive_from_normal_font || !SMALL_FONT) {
  91                 font_desc = pango_font_description_from_string(NORMAL_FONT);
  92                 size = pango_font_description_get_size(font_desc);
  93                 pango_font_description_set_size(font_desc, size * PANGO_SCALE_SMALL);
  94                 gtk_widget_modify_font(widget, font_desc);
  95                 pango_font_description_free(font_desc);
  96         } else {
  97                 font_desc = pango_font_description_from_string(SMALL_FONT);
  98                 gtk_widget_modify_font(widget, font_desc);
  99                 pango_font_description_free(font_desc);
 100         }
 101 }
 102
 103 void gtkut_convert_int_to_gdk_color(gint rgbvalue, GdkColor *color)
 104 {
 105         cm_return_if_fail(color != NULL);
 106
 107         color->pixel = 0L;
 108         color->red   = (int) (((gdouble)((rgbvalue & 0xff0000) >> 16) / 255.0) * 65535.0);
 109         color->green = (int) (((gdouble)((rgbvalue & 0x00ff00) >>  8) / 255.0) * 65535.0);
 110         color->blue  = (int) (((gdouble) (rgbvalue & 0x0000ff)        / 255.0) * 65535.0);
 111 }
 112
 113 #define CL(x)   (((gulong) (x) >> (gulong) 8) & 0xFFUL)
 114 #define RGB_FROM_GDK_COLOR(c) \
 115         ((CL(c->red)   << (gulong) 16) | \
 116          (CL(c->green) << (gulong)  8) | \
 117          (CL(c->blue)))
 118
 119 gint gtkut_convert_gdk_color_to_int(GdkColor *color)
 120 {
 121         return RGB_FROM_GDK_COLOR(color);
 122 }
 123
 124 void gtkut_stock_button_add_help(GtkWidget *bbox, GtkWidget **help_btn)
 125 {
 126         cm_return_if_fail(bbox != NULL);
 127
 128         *help_btn = gtk_button_new_from_stock(GTK_STOCK_HELP);
 129
 130         gtkut_widget_set_can_default(*help_btn, TRUE);
 131         gtk_box_pack_end(GTK_BOX (bbox), *help_btn, TRUE, TRUE, 0);
 132         gtk_button_box_set_child_secondary(GTK_BUTTON_BOX (bbox),
 133                         *help_btn, TRUE);
 134         gtk_widget_set_sensitive(*help_btn,
 135                         manual_available(MANUAL_MANUAL_CLAWS));
 136         gtk_widget_show(*help_btn);
 137 }
 138
 139 void gtkut_stock_button_set_create_with_help(GtkWidget **bbox,
 140                 GtkWidget **help_button,
 141                 GtkWidget **button1, const gchar *label1,
 142                 GtkWidget **button2, const gchar *label2,
 143                 GtkWidget **button3, const gchar *label3)
 144 {
 145         cm_return_if_fail(bbox != NULL);
 146         cm_return_if_fail(button1 != NULL);
 147
 148         gtkut_stock_button_set_create(bbox, button1, label1,
 149                         button2, label2, button3, label3);
 150
 151         gtkut_stock_button_add_help(*bbox, help_button);
 152 }
 153
 154 void gtkut_stock_button_set_create(GtkWidget **bbox,
 155                                    GtkWidget **button1, const gchar *label1,
 156                                    GtkWidget **button2, const gchar *label2,
 157                                    GtkWidget **button3, const gchar *label3)
 158 {
 159         cm_return_if_fail(bbox != NULL);
 160         cm_return_if_fail(button1 != NULL);
 161
 162         *bbox = gtk_hbutton_box_new();
 163         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 164         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 165
 166         *button1 = gtk_button_new_from_stock(label1);
 167         gtkut_widget_set_can_default(*button1, TRUE);
 168         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 169         gtk_widget_show(*button1);
 170
 171         if (button2) {
 172                 *button2 = gtk_button_new_from_stock(label2);
 173                 gtkut_widget_set_can_default(*button2, TRUE);
 174                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 175                 gtk_widget_show(*button2);
 176         }
 177
 178         if (button3) {
 179                 *button3 = gtk_button_new_from_stock(label3);
 180                 gtkut_widget_set_can_default(*button3, TRUE);
 181                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 182                 gtk_widget_show(*button3);
 183         }
 184 }
 185
 186 void gtkut_stock_with_text_button_set_create(GtkWidget **bbox,
 187                                    GtkWidget **button1, const gchar *label1, const gchar *text1,
 188                                    GtkWidget **button2, const gchar *label2, const gchar *text2,
 189                                    GtkWidget **button3, const gchar *label3, const gchar *text3)
 190 {
 191         cm_return_if_fail(bbox != NULL);
 192         cm_return_if_fail(button1 != NULL);
 193
 194         *bbox = gtk_hbutton_box_new();
 195         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 196         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 197
 198         *button1 = gtk_button_new_with_mnemonic(text1);
 199         gtk_button_set_image(GTK_BUTTON(*button1),
 200                 gtk_image_new_from_stock(label1, GTK_ICON_SIZE_BUTTON));
 201         gtkut_widget_set_can_default(*button1, TRUE);
 202         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 203         gtk_widget_show(*button1);
 204
 205         if (button2) {
 206                 *button2 = gtk_button_new_with_mnemonic(text2);
 207                 gtk_button_set_image(GTK_BUTTON(*button2),
 208                         gtk_image_new_from_stock(label2, GTK_ICON_SIZE_BUTTON));
 209                 gtkut_widget_set_can_default(*button2, TRUE);
 210                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 211                 gtk_widget_show(*button2);
 212         }
 213
 214         if (button3) {
 215                 *button3 = gtk_button_new_with_mnemonic(text3);
 216                 gtk_button_set_image(GTK_BUTTON(*button3),
 217                         gtk_image_new_from_stock(label3, GTK_ICON_SIZE_BUTTON));
 218                 gtkut_widget_set_can_default(*button3, TRUE);
 219                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 220                 gtk_widget_show(*button3);
 221         }
 222 }
 223
 224 #define CELL_SPACING 1
 225 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
 226                                     (((row) + 1) * CELL_SPACING) + \
 227                                     (clist)->voffset)
 228 #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
 229                                    ((clist)->row_height + CELL_SPACING))
 230
 231 void gtkut_ctree_node_move_if_on_the_edge(GtkCMCTree *ctree, GtkCMCTreeNode *node, gint _row)
 232 {
 233         GtkCMCList *clist = GTK_CMCLIST(ctree);
 234         gint row;
 235         GtkVisibility row_visibility, prev_row_visibility, next_row_visibility;
 236
 237         cm_return_if_fail(ctree != NULL);
 238         cm_return_if_fail(node != NULL);
 239
 240         row = (_row != -1 ? _row : g_list_position(clist->row_list, (GList *)node));
 241
 242         if (row < 0 || row >= clist->rows || clist->row_height == 0) return;
 243         row_visibility = gtk_cmclist_row_is_visible(clist, row);
 244         prev_row_visibility = gtk_cmclist_row_is_visible(clist, row - 1);
 245         next_row_visibility = gtk_cmclist_row_is_visible(clist, row + 1);
 246
 247         if (row_visibility == GTK_VISIBILITY_NONE) {
 248                 gtk_cmclist_moveto(clist, row, -1, 0.5, 0);
 249                 return;
 250         }
 251         if (row_visibility == GTK_VISIBILITY_FULL &&
 252             prev_row_visibility == GTK_VISIBILITY_FULL &&
 253             next_row_visibility == GTK_VISIBILITY_FULL)
 254                 return;
 255         if (prev_row_visibility != GTK_VISIBILITY_FULL &&
 256             next_row_visibility != GTK_VISIBILITY_FULL)
 257                 return;
 258
 259         if (prev_row_visibility != GTK_VISIBILITY_FULL) {
 260                 gtk_cmclist_moveto(clist, row, -1, 0.2, 0);
 261                 return;
 262         }
 263         if (next_row_visibility != GTK_VISIBILITY_FULL) {
 264                 gtk_cmclist_moveto(clist, row, -1, 0.8, 0);
 265                 return;
 266         }
 267 }
 268
 269 #undef CELL_SPACING
 270 #undef ROW_TOP_YPIXEL
 271 #undef ROW_FROM_YPIXEL
 272
 273 gint gtkut_ctree_get_nth_from_node(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 274 {
 275         cm_return_val_if_fail(ctree != NULL, -1);
 276         cm_return_val_if_fail(node != NULL, -1);
 277
 278         return g_list_position(GTK_CMCLIST(ctree)->row_list, (GList *)node);
 279 }
 280
 281 /* get the next node, including the invisible one */
 282 GtkCMCTreeNode *gtkut_ctree_node_next(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 283 {
 284         GtkCMCTreeNode *parent;
 285
 286         if (!node) return NULL;
 287
 288         if (GTK_CMCTREE_ROW(node)->children)
 289                 return GTK_CMCTREE_ROW(node)->children;
 290
 291         if (GTK_CMCTREE_ROW(node)->sibling)
 292                 return GTK_CMCTREE_ROW(node)->sibling;
 293
 294         for (parent = GTK_CMCTREE_ROW(node)->parent; parent != NULL;
 295              parent = GTK_CMCTREE_ROW(parent)->parent) {
 296                 if (GTK_CMCTREE_ROW(parent)->sibling)
 297                         return GTK_CMCTREE_ROW(parent)->sibling;
 298         }
 299
 300         return NULL;
 301 }
 302
 303 /* get the previous node, including the invisible one */
 304 GtkCMCTreeNode *gtkut_ctree_node_prev(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 305 {
 306         GtkCMCTreeNode *prev;
 307         GtkCMCTreeNode *child;
 308
 309         if (!node) return NULL;
 310
 311         prev = GTK_CMCTREE_NODE_PREV(node);
 312         if (prev == GTK_CMCTREE_ROW(node)->parent)
 313                 return prev;
 314
 315         child = prev;
 316         while (GTK_CMCTREE_ROW(child)->children != NULL) {
 317                 child = GTK_CMCTREE_ROW(child)->children;
 318                 while (GTK_CMCTREE_ROW(child)->sibling != NULL)
 319                         child = GTK_CMCTREE_ROW(child)->sibling;
 320         }
 321
 322         return child;
 323 }
 324
 325 gboolean gtkut_ctree_node_is_selected(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 326 {
 327         GtkCMCList *clist = GTK_CMCLIST(ctree);
 328         GList *cur;
 329
 330         for (cur = clist->selection; cur != NULL; cur = cur->next) {
 331                 if (node == GTK_CMCTREE_NODE(cur->data))
 332                         return TRUE;
 333         }
 334
 335         return FALSE;
 336 }
 337
 338 GtkCMCTreeNode *gtkut_ctree_find_collapsed_parent(GtkCMCTree *ctree,
 339                                                 GtkCMCTreeNode *node)
 340 {
 341         if (!node) return NULL;
 342
 343         while ((node = GTK_CMCTREE_ROW(node)->parent) != NULL) {
 344                 if (!GTK_CMCTREE_ROW(node)->expanded)
 345                         return node;
 346         }
 347
 348         return NULL;
 349 }
 350
 351 void gtkut_ctree_expand_parent_all(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 352 {
 353         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 354
 355         while ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
 356                 gtk_cmctree_expand(ctree, node);
 357
 358         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 359 }
 360
 361 gboolean gtkut_ctree_node_is_parent(GtkCMCTreeNode *parent, GtkCMCTreeNode *node)
 362 {
 363         GtkCMCTreeNode *tmp;
 364         cm_return_val_if_fail(node != NULL, FALSE);
 365         cm_return_val_if_fail(parent != NULL, FALSE);
 366         tmp = node;
 367
 368         while (tmp) {
 369                 if(GTK_CMCTREE_ROW(tmp)->parent && GTK_CMCTREE_ROW(tmp)->parent == parent)
 370                         return TRUE;
 371                 tmp = GTK_CMCTREE_ROW(tmp)->parent;
 372         }
 373
 374         return FALSE;
 375 }
 376
 377 void gtkut_ctree_set_focus_row(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 378 {
 379         if (node == NULL)
 380                 return;
 381         gtkut_clist_set_focus_row(GTK_CMCLIST(ctree),
 382                                   gtkut_ctree_get_nth_from_node(ctree, node));
 383 }
 384
 385 void gtkut_clist_set_focus_row(GtkCMCList *clist, gint row)
 386 {
 387         clist->focus_row = row;
 388         GTKUT_CTREE_REFRESH(clist);
 389 }
 390
 391 void gtkut_container_remove(GtkContainer *container, GtkWidget *widget)
 392 {
 393         gtk_container_remove(container, widget);
 394 }
 395
 396 static gboolean gtkut_text_buffer_match_string(GtkTextBuffer *textbuf,
 397                                         const GtkTextIter *iter,
 398                                         gunichar *wcs, gint len,
 399                                         gboolean case_sens)
 400 {
 401         GtkTextIter start_iter, end_iter;
 402         gchar *utf8str, *p;
 403         gint match_count;
 404
 405         start_iter = end_iter = *iter;
 406         gtk_text_iter_forward_chars(&end_iter, len);
 407
 408         utf8str = gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter,
 409                                            FALSE);
 410         if (!utf8str) return FALSE;
 411
 412         if ((gint)g_utf8_strlen(utf8str, -1) != len) {
 413                 g_free(utf8str);
 414                 return FALSE;
 415         }
 416
 417         for (p = utf8str, match_count = 0;
 418              *p != '\0' && match_count < len;
 419              p = g_utf8_next_char(p), match_count++) {
 420                 gunichar wc;
 421
 422                 wc = g_utf8_get_char(p);
 423
 424                 if (case_sens) {
 425                         if (wc != wcs[match_count])
 426                                 break;
 427                 } else {
 428                         if (g_unichar_tolower(wc) !=
 429                             g_unichar_tolower(wcs[match_count]))
 430                                 break;
 431                 }
 432         }
 433
 434         g_free(utf8str);
 435
 436         if (match_count == len)
 437                 return TRUE;
 438         else
 439                 return FALSE;
 440 }
 441
 442 static gboolean gtkut_text_buffer_find(GtkTextBuffer *buffer, const GtkTextIter *iter,
 443                                 const gchar *str, gboolean case_sens,
 444                                 GtkTextIter *match_pos)
 445 {
 446         gunichar *wcs;
 447         gint len;
 448         glong items_read = 0, items_written = 0;
 449         GError *error = NULL;
 450         GtkTextIter iter_;
 451         gboolean found = FALSE;
 452
 453         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 454         if (error != NULL) {
 455                 g_warning("An error occurred while converting a string from UTF-8 to UCS-4: %s\n",
 456                           error->message);
 457                 g_error_free(error);
 458         }
 459         if (!wcs || items_written <= 0) return FALSE;
 460         len = (gint)items_written;
 461
 462         iter_ = *iter;
 463         do {
 464                 found = gtkut_text_buffer_match_string
 465                         (buffer, &iter_, wcs, len, case_sens);
 466                 if (found) {
 467                         *match_pos = iter_;
 468                         break;
 469                 }
 470         } while (gtk_text_iter_forward_char(&iter_));
 471
 472         g_free(wcs);
 473
 474         return found;
 475 }
 476
 477 static gboolean gtkut_text_buffer_find_backward(GtkTextBuffer *buffer,
 478                                          const GtkTextIter *iter,
 479                                          const gchar *str, gboolean case_sens,
 480                                          GtkTextIter *match_pos)
 481 {
 482         gunichar *wcs;
 483         gint len;
 484         glong items_read = 0, items_written = 0;
 485         GError *error = NULL;
 486         GtkTextIter iter_;
 487         gboolean found = FALSE;
 488
 489         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 490         if (error != NULL) {
 491                 g_warning("An error occurred while converting a string from UTF-8 to UCS-4: %s\n",
 492                           error->message);
 493                 g_error_free(error);
 494         }
 495         if (!wcs || items_written <= 0) return FALSE;
 496         len = (gint)items_written;
 497
 498         iter_ = *iter;
 499         while (gtk_text_iter_backward_char(&iter_)) {
 500                 found = gtkut_text_buffer_match_string
 501                         (buffer, &iter_, wcs, len, case_sens);
 502                 if (found) {
 503                         *match_pos = iter_;
 504                         break;
 505                 }
 506         }
 507
 508         g_free(wcs);
 509
 510         return found;
 511 }
 512
 513 gchar *gtkut_text_view_get_selection(GtkTextView *textview)
 514 {
 515         GtkTextBuffer *buffer;
 516         GtkTextIter start_iter, end_iter;
 517         gboolean found;
 518
 519         cm_return_val_if_fail(GTK_IS_TEXT_VIEW(textview), NULL);
 520
 521         buffer = gtk_text_view_get_buffer(textview);
 522         found = gtk_text_buffer_get_selection_bounds(buffer,
 523                                                      &start_iter,
 524                                                      &end_iter);
 525         if (found)
 526                 return gtk_text_buffer_get_text(buffer, &start_iter, &end_iter,
 527                                                 FALSE);
 528         else
 529                 return NULL;
 530 }
 531
 532
 533 void gtkut_text_view_set_position(GtkTextView *text, gint pos)
 534 {
 535         GtkTextBuffer *buffer;
 536         GtkTextIter iter;
 537         GtkTextMark *mark;
 538
 539         cm_return_if_fail(text != NULL);
 540
 541         buffer = gtk_text_view_get_buffer(text);
 542
 543         gtk_text_buffer_get_iter_at_offset(buffer, &iter, pos);
 544         gtk_text_buffer_place_cursor(buffer, &iter);
 545         mark = gtk_text_buffer_create_mark(buffer, NULL, &iter, TRUE);
 546         gtk_text_view_scroll_to_mark(text, mark, 0.0, FALSE, 0.0, 0.0);
 547 }
 548
 549 gboolean gtkut_text_view_search_string(GtkTextView *text, const gchar *str,
 550                                         gboolean case_sens)
 551 {
 552         GtkTextBuffer *buffer;
 553         GtkTextIter iter, match_pos;
 554         GtkTextMark *mark;
 555         gint len;
 556
 557         cm_return_val_if_fail(text != NULL, FALSE);
 558         cm_return_val_if_fail(str != NULL, FALSE);
 559
 560         buffer = gtk_text_view_get_buffer(text);
 561
 562         len = g_utf8_strlen(str, -1);
 563         cm_return_val_if_fail(len >= 0, FALSE);
 564
 565         mark = gtk_text_buffer_get_insert(buffer);
 566         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
 567
 568         if (gtkut_text_buffer_find(buffer, &iter, str, case_sens,
 569                                    &match_pos)) {
 570                 GtkTextIter end = match_pos;
 571
 572                 gtk_text_iter_forward_chars(&end, len);
 573                 /* place "insert" at the last character */
 574                 gtk_text_buffer_select_range(buffer, &end, &match_pos);
 575                 gtk_text_view_scroll_to_mark(text, mark, 0.0, TRUE, 0.0, 0.5);
 576                 return TRUE;
 577         }
 578
 579         return FALSE;
 580 }
 581
 582 gboolean gtkut_text_view_search_string_backward(GtkTextView *text, const gchar *str,
 583                                         gboolean case_sens)
 584 {
 585         GtkTextBuffer *buffer;
 586         GtkTextIter iter, match_pos;
 587         GtkTextMark *mark;
 588         gint len;
 589
 590         cm_return_val_if_fail(text != NULL, FALSE);
 591         cm_return_val_if_fail(str != NULL, FALSE);
 592
 593         buffer = gtk_text_view_get_buffer(text);
 594
 595         len = g_utf8_strlen(str, -1);
 596         cm_return_val_if_fail(len >= 0, FALSE);
 597
 598         mark = gtk_text_buffer_get_insert(buffer);
 599         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
 600
 601         if (gtkut_text_buffer_find_backward(buffer, &iter, str, case_sens,
 602                                             &match_pos)) {
 603                 GtkTextIter end = match_pos;
 604
 605                 gtk_text_iter_forward_chars(&end, len);
 606                 gtk_text_buffer_select_range(buffer, &match_pos, &end);
 607                 gtk_text_view_scroll_to_mark(text, mark, 0.0, TRUE, 0.0, 0.5);
 608                 return TRUE;
 609         }
 610
 611         return FALSE;
 612 }
 613
 614 void gtkut_window_popup(GtkWidget *window)
 615 {
 616         GdkWindow *gdkwin;
 617         gint x, y, sx, sy, new_x, new_y;
 618
 619         gdkwin = gtk_widget_get_window(window);
 620
 621         cm_return_if_fail(window != NULL);
 622         cm_return_if_fail(gdkwin != NULL);
 623
 624         sx = gdk_screen_width();
 625         sy = gdk_screen_height();
 626
 627         gdk_window_get_origin(gdkwin, &x, &y);
 628         new_x = x % sx; if (new_x < 0) new_x = 0;
 629         new_y = y % sy; if (new_y < 0) new_y = 0;
 630         if (new_x != x || new_y != y)
 631                 gdk_window_move(gdkwin, new_x, new_y);
 632
 633         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(window), FALSE);
 634         gtk_window_present_with_time(GTK_WINDOW(window), time(NULL));
 635 }
 636
 637 void gtkut_widget_get_uposition(GtkWidget *widget, gint *px, gint *py)
 638 {
 639         GdkWindow *gdkwin;
 640         gint x, y;
 641         gint sx, sy;
 642
 643         gdkwin = gtk_widget_get_window(widget);
 644
 645         cm_return_if_fail(widget != NULL);
 646         cm_return_if_fail(gdkwin != NULL);
 647
 648         sx = gdk_screen_width();
 649         sy = gdk_screen_height();
 650
 651         /* gdk_window_get_root_origin ever return *rootwindow*'s position */
 652         gdk_window_get_root_origin(gdkwin, &x, &y);
 653
 654         x %= sx; if (x < 0) x = 0;
 655         y %= sy; if (y < 0) y = 0;
 656         *px = x;
 657         *py = y;
 658 }
 659
 660 void gtkut_widget_draw_now(GtkWidget *widget)
 661 {
 662         if (widget && gtk_widget_get_visible(widget) && gtk_widget_is_drawable(widget))
 663                 gdk_window_process_updates(gtk_widget_get_window(widget), FALSE);
 664 }
 665
 666 static void gtkut_clist_bindings_add(GtkWidget *clist)
 667 {
 668         GtkBindingSet *binding_set;
 669
 670         binding_set = gtk_binding_set_by_class
 671                 (GTK_CMCLIST_GET_CLASS(clist));
 672
 673         gtk_binding_entry_add_signal(binding_set, GDK_KEY_n, GDK_CONTROL_MASK,
 674                                      "scroll_vertical", 2,
 675                                      G_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 676                                      G_TYPE_FLOAT, 0.0);
 677         gtk_binding_entry_add_signal(binding_set, GDK_KEY_p, GDK_CONTROL_MASK,
 678                                      "scroll_vertical", 2,
 679                                      G_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 680                                      G_TYPE_FLOAT, 0.0);
 681 }
 682
 683 void gtkut_widget_init(void)
 684 {
 685         GtkWidget *clist;
 686
 687         clist = gtk_cmclist_new(1);
 688         g_object_ref(G_OBJECT(clist));
 689         g_object_ref_sink (G_OBJECT(clist));
 690         gtkut_clist_bindings_add(clist);
 691         g_object_unref(G_OBJECT(clist));
 692
 693         clist = gtk_cmctree_new(1, 0);
 694         g_object_ref(G_OBJECT(clist));
 695         g_object_ref_sink (G_OBJECT(clist));
 696         gtkut_clist_bindings_add(clist);
 697         g_object_unref(G_OBJECT(clist));
 698
 699         clist = gtk_sctree_new_with_titles(1, 0, NULL);
 700         g_object_ref(G_OBJECT(clist));
 701         g_object_ref_sink (G_OBJECT(clist));
 702         gtkut_clist_bindings_add(clist);
 703         g_object_unref(G_OBJECT(clist));
 704 }
 705
 706 void gtkut_widget_set_app_icon(GtkWidget *widget)
 707 {
 708         static GList *icon_list = NULL;
 709
 710         cm_return_if_fail(widget != NULL);
 711         cm_return_if_fail(gtk_widget_get_window(widget) != NULL);
 712         if (!icon_list) {
 713                 GdkPixbuf *icon = NULL, *big_icon = NULL;
 714                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_CLAWS_MAIL_ICON, &icon);
 715                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_CLAWS_MAIL_LOGO, &big_icon);
 716                 if (icon)
 717                         icon_list = g_list_append(icon_list, icon);
 718                 if (big_icon)
 719                         icon_list = g_list_append(icon_list, big_icon);
 720         }
 721         if (icon_list)
 722                 gtk_window_set_icon_list(GTK_WINDOW(widget), icon_list);
 723 }
 724
 725 void gtkut_widget_set_composer_icon(GtkWidget *widget)
 726 {
 727         static GList *icon_list = NULL;
 728
 729         cm_return_if_fail(widget != NULL);
 730         cm_return_if_fail(gtk_widget_get_window(widget) != NULL);
 731         if (!icon_list) {
 732                 GdkPixbuf *icon = NULL, *big_icon = NULL;
 733                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_MAIL_COMPOSE, &icon);
 734                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_MAIL_COMPOSE_LOGO, &big_icon);
 735                 if (icon)
 736                         icon_list = g_list_append(icon_list, icon);
 737                 if (big_icon)
 738                         icon_list = g_list_append(icon_list, big_icon);
 739         }
 740         if (icon_list)
 741                 gtk_window_set_icon_list(GTK_WINDOW(widget), icon_list);
 742 }
 743
 744 static gboolean move_bar = FALSE;
 745 static gint move_bar_id = -1;
 746
 747 static gboolean move_bar_cb(gpointer data)
 748 {
 749         GtkWidget *w = (GtkWidget *)data;
 750         if (!move_bar)
 751                 return FALSE;
 752
 753         if (!GTK_IS_PROGRESS_BAR(w)) {
 754                 return FALSE;
 755         }
 756
 757         gtk_progress_bar_pulse(GTK_PROGRESS_BAR(w));
 758         GTK_EVENTS_FLUSH();
 759         return TRUE;
 760 }
 761
 762 GtkWidget *label_window_create(const gchar *str)
 763 {
 764         GtkWidget *window;
 765         GtkWidget *label, *vbox, *hbox;
 766         GtkWidget *wait_progress = gtk_progress_bar_new();
 767
 768         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "gtkutils");
 769         gtk_widget_set_size_request(window, 380, 70);
 770         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 771         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 772         gtk_window_set_title(GTK_WINDOW(window), str);
 773         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 774         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 775         manage_window_set_transient(GTK_WINDOW(window));
 776
 777         label = gtk_label_new(str);
 778
 779         vbox = gtk_vbox_new(FALSE, 6);
 780         hbox = gtk_hbox_new(FALSE, 6);
 781         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, FALSE, 0);
 782         gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, FALSE, 0);
 783         hbox = gtk_hbox_new(FALSE, 6);
 784         gtk_box_pack_start(GTK_BOX(hbox), wait_progress, TRUE, FALSE, 0);
 785         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 786
 787         gtk_container_add(GTK_CONTAINER(window), vbox);
 788         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 789         gtk_misc_set_alignment(GTK_MISC(label), 0.5, 0.5);
 790         gtk_widget_show_all(vbox);
 791
 792         gtk_widget_show_now(window);
 793
 794         if (move_bar_id == -1) {
 795                 move_bar_id = g_timeout_add(200, move_bar_cb, wait_progress);
 796                 move_bar = TRUE;
 797         }
 798
 799         GTK_EVENTS_FLUSH();
 800
 801         return window;
 802 }
 803
 804 void label_window_destroy(GtkWidget *window)
 805 {
 806         move_bar = FALSE;
 807         g_source_remove(move_bar_id);
 808         move_bar_id = -1;
 809         GTK_EVENTS_FLUSH();
 810         gtk_widget_destroy(window);
 811 }
 812
 813 GtkWidget *gtkut_account_menu_new(GList                 *ac_list,
 814                                         GCallback               callback,
 815                                   gpointer              data)
 816 {
 817         GList *cur_ac;
 818         GtkWidget *optmenu;
 819         GtkListStore *menu;
 820         GtkTreeIter iter;
 821         PrefsAccount *account;
 822         gchar *name;
 823
 824         cm_return_val_if_fail(ac_list != NULL, NULL);
 825
 826         optmenu = gtkut_sc_combobox_create(NULL, FALSE);
 827         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(optmenu)));
 828
 829         for (cur_ac = ac_list; cur_ac != NULL; cur_ac = cur_ac->next) {
 830                 account = (PrefsAccount *) cur_ac->data;
 831                 if (account->name)
 832                         name = g_strdup_printf("%s: %s <%s>",
 833                                                account->account_name,
 834                                                account->name,
 835                                                account->address);
 836                 else
 837                         name = g_strdup_printf("%s: %s",
 838                                                account->account_name,
 839                                                account->address);
 840                 COMBOBOX_ADD_ESCAPED(menu, name, account->account_id);
 841                 g_free(name);
 842         }
 843         gtk_combo_box_set_active(GTK_COMBO_BOX(optmenu), 0);
 844
 845         if( callback != NULL )
 846                 g_signal_connect(G_OBJECT(optmenu), "changed", callback, data);
 847
 848         return optmenu;
 849 }
 850
 851 void gtkut_set_widget_bgcolor_rgb(GtkWidget *widget, guint rgbvalue)
 852 {
 853         GtkStyle *newstyle;
 854         GdkColor gdk_color;
 855
 856         gtkut_convert_int_to_gdk_color(rgbvalue, &gdk_color);
 857         newstyle = gtk_style_copy(gtk_widget_get_default_style());
 858         newstyle->bg[GTK_STATE_NORMAL]   = gdk_color;
 859         newstyle->bg[GTK_STATE_PRELIGHT] = gdk_color;
 860         newstyle->bg[GTK_STATE_ACTIVE]   = gdk_color;
 861         gtk_widget_set_style(widget, newstyle);
 862 }
 863
 864 /*!
 865  *\brief        Tries to find a focused child using a lame strategy
 866  */
 867 GtkWidget *gtkut_get_focused_child(GtkContainer *parent)
 868 {
 869         GtkWidget *result = NULL;
 870         GList *child_list = NULL;
 871         GList *c;
 872
 873         cm_return_val_if_fail(parent, NULL);
 874
 875         /* Get children list and see which has the focus. */
 876         child_list = gtk_container_get_children(parent);
 877         if (!child_list)
 878                 return NULL;
 879
 880         for (c = child_list; c != NULL; c = g_list_next(c)) {
 881                 if (c->data && GTK_IS_WIDGET(c->data)) {
 882                         if (gtk_widget_has_focus(GTK_WIDGET(c->data))) {
 883                                 result = GTK_WIDGET(c->data);
 884                                 break;
 885                         }
 886                 }
 887         }
 888
 889         /* See if the returned widget is a container itself; if it is,
 890          * see if one of its children is focused. If the focused
 891          * container has no focused child, it is itself a focusable
 892          * child, and has focus. */
 893         if (result && GTK_IS_CONTAINER(result)) {
 894                 GtkWidget *tmp =  gtkut_get_focused_child(GTK_CONTAINER(result));
 895
 896                 if (tmp)
 897                         result = tmp;
 898         } else {
 899                 /* Try the same for each container in the chain */
 900                 for (c = child_list; c != NULL && !result; c = g_list_next(c)) {
 901                         if (c->data && GTK_IS_WIDGET(c->data)
 902                         &&  GTK_IS_CONTAINER(c->data)) {
 903                                 result = gtkut_get_focused_child
 904                                         (GTK_CONTAINER(c->data));
 905                         }
 906                 }
 907
 908         }
 909
 910         g_list_free(child_list);
 911
 912         return result;
 913 }
 914
 915 /*!
 916  *\brief        Create a Browse (file) button based on GTK+ stock
 917  */
 918 GtkWidget *gtkut_get_browse_file_btn(const gchar *button_label)
 919 {
 920         GtkWidget *button;
 921
 922         button = gtk_button_new_with_mnemonic(button_label);
 923         gtk_button_set_image(GTK_BUTTON(button),
 924                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
 925
 926         return button;
 927 }
 928
 929 /*!
 930  *\brief        Create a Browse (directory) button based on GTK+ stock
 931  */
 932 GtkWidget *gtkut_get_browse_directory_btn(const gchar *button_label)
 933 {
 934         GtkWidget *button;
 935
 936         button = gtk_button_new_with_mnemonic(button_label);
 937         gtk_button_set_image(GTK_BUTTON(button),
 938                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
 939
 940         return button;
 941 }
 942
 943 GtkWidget *gtkut_get_replace_btn(const gchar *button_label)
 944 {
 945         GtkWidget *button;
 946
 947         button = gtk_button_new_with_mnemonic(button_label);
 948         gtk_button_set_image(GTK_BUTTON(button),
 949                 gtk_image_new_from_stock(GTK_STOCK_REFRESH, GTK_ICON_SIZE_BUTTON));
 950
 951         return button;
 952 }
 953
 954 /**
 955  * merge some part of code into one function : it creates a frame and add
 956  *      these into gtk box widget passed in param.
 957  * \param box gtk box where adding new created frame.
 958  * \param pframe pointer with which to assign the frame. If NULL, no pointer
 959  *      is assigned but the frame is anyway created and added to @box.
 960  * \param frame_label frame label of new created frame.
 961  */
 962 GtkWidget *gtkut_get_options_frame(GtkWidget *box, GtkWidget **pframe,
 963                 const gchar *frame_label)
 964 {
 965         GtkWidget *vbox;
 966         GtkWidget *frame;
 967
 968         frame = gtk_frame_new(frame_label);
 969         gtk_widget_show(frame);
 970         gtk_box_pack_start(GTK_BOX(box), frame, FALSE, TRUE, 0);
 971         gtk_frame_set_label_align(GTK_FRAME(frame), 0.01, 0.5);
 972
 973         vbox = gtk_vbox_new (FALSE, 4);
 974         gtk_widget_show(vbox);
 975         gtk_container_add(GTK_CONTAINER (frame), vbox);
 976         gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
 977
 978         if (pframe != NULL)
 979                 *pframe = frame;
 980
 981         return vbox;
 982 }
 983
 984 #if HAVE_LIBCOMPFACE
 985 static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
 986 {
 987         static gchar *bit_pattern[] = {
 988                 "....",
 989                 "...#",
 990                 "..#.",
 991                 "..##",
 992                 ".#..",
 993                 ".#.#",
 994                 ".##.",
 995                 ".###",
 996                 "#...",
 997                 "#..#",
 998                 "#.#.",
 999                 "#.##",
1000                 "##..",
1001                 "##.#",
1002                 "###.",
1003                 "####"
1004         };
1005
1006         static gchar *xface_header = "48 48 2 1";
1007         static gchar *xface_black  = "# c #000000";
1008         static gchar *xface_white  = ". c #ffffff";
1009
1010         gint i, line = 0;
1011         const guchar *p;
1012         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
1013
1014         p = xface;
1015
1016         strcpy(xpm[line++], xface_header);
1017         strcpy(xpm[line++], xface_black);
1018         strcpy(xpm[line++], xface_white);
1019
1020         for (i = 0; i < HEIGHT; i++) {
1021                 gint col;
1022
1023                 buf[0] = '\0';
1024
1025                 for (col = 0; col < 3; col++) {
1026                         gint figure;
1027
1028                         p += 2;  /* skip '0x' */
1029
1030                         for (figure = 0; figure < 4; figure++) {
1031                                 gint n = 0;
1032
1033                                 if ('0' <= *p && *p <= '9') {
1034                                         n = *p - '0';
1035                                 } else if ('a' <= *p && *p <= 'f') {
1036                                         n = *p - 'a' + 10;
1037                                 } else if ('A' <= *p && *p <= 'F') {
1038                                         n = *p - 'A' + 10;
1039                                 }
1040
1041                                 strcat(buf, bit_pattern[n]);
1042                                 p++;  /* skip ',' */
1043                         }
1044
1045                         p++;  /* skip '\n' */
1046                 }
1047
1048                 strcpy(xpm[line++], buf);
1049                 p++;
1050         }
1051
1052         return 0;
1053 }
1054 #endif
1055
1056 gboolean get_tag_range(GtkTextIter *iter,
1057                                        GtkTextTag *tag,
1058                                        GtkTextIter *start_iter,
1059                                        GtkTextIter *end_iter)
1060 {
1061         GtkTextIter _start_iter, _end_iter;
1062
1063         _end_iter = *iter;
1064         if (!gtk_text_iter_forward_to_tag_toggle(&_end_iter, tag)) {
1065                 debug_print("Can't find end");
1066                 return FALSE;
1067         }
1068
1069         _start_iter = _end_iter;
1070         if (!gtk_text_iter_backward_to_tag_toggle(&_start_iter, tag)) {
1071                 debug_print("Can't find start.");
1072                 return FALSE;
1073         }
1074
1075         *start_iter = _start_iter;
1076         *end_iter = _end_iter;
1077
1078         return TRUE;
1079 }
1080
1081 #if HAVE_LIBCOMPFACE
1082 GtkWidget *xface_get_from_header(const gchar *o_xface)
1083 {
1084         static gchar *xpm_xface[XPM_XFACE_HEIGHT];
1085         static gboolean xpm_xface_init = TRUE;
1086         gchar xface[2048];
1087         strncpy(xface, o_xface, sizeof(xface) - 1);
1088         xface[sizeof(xface) - 1] = '\0';
1089
1090         if (uncompface(xface) < 0) {
1091                 g_warning("uncompface failed\n");
1092                 return NULL;
1093         }
1094
1095         if (xpm_xface_init) {
1096                 gint i;
1097
1098                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
1099                         xpm_xface[i] = g_malloc(WIDTH + 1);
1100                         *xpm_xface[i] = '\0';
1101                 }
1102                 xpm_xface_init = FALSE;
1103         }
1104
1105         create_xpm_from_xface(xpm_xface, xface);
1106
1107         return gtk_image_new_from_pixbuf(
1108                 gdk_pixbuf_new_from_xpm_data((const char **)xpm_xface));
1109 }
1110 #endif
1111
1112 GtkWidget *face_get_from_header(const gchar *o_face)
1113 {
1114         gchar face[2048];
1115         gchar face_png[2048];
1116         gint 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         pngsize = base64_decode(face_png, face, strlen(face));
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                 return NULL;
1137         }
1138
1139         pixbuf = g_object_ref(gdk_pixbuf_loader_get_pixbuf(loader));
1140
1141         g_object_unref(loader);
1142
1143         if ((gdk_pixbuf_get_width(pixbuf) != 48) || (gdk_pixbuf_get_height(pixbuf) != 48)) {
1144                 g_object_unref(pixbuf);
1145                 g_warning("wrong_size\n");
1146                 return NULL;
1147         }
1148
1149         image = gtk_image_new_from_pixbuf(pixbuf);
1150         g_object_unref(pixbuf);
1151         return image;
1152 }
1153
1154 static GdkCursor *hand_cursor = NULL;
1155
1156 static void link_btn_enter(GtkButton *button, gpointer data)
1157 {
1158         GdkWindow *gdkwin;
1159         GtkWidget *window = (GtkWidget *)data;
1160
1161         gdkwin = gtk_widget_get_window(window);
1162
1163         if (!hand_cursor)
1164                 hand_cursor = gdk_cursor_new(GDK_HAND2);
1165         if (window && gdkwin)
1166                 gdk_window_set_cursor(gdkwin, hand_cursor);
1167
1168         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1169         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1170
1171 }
1172
1173 static void link_btn_leave(GtkButton *button, gpointer data)
1174 {
1175         GdkWindow *gdkwin;
1176         GtkWidget *window = (GtkWidget *)data;
1177
1178         gdkwin = gtk_widget_get_window(window);
1179
1180         if (window && gdkwin)
1181                 gdk_window_set_cursor(gdkwin, NULL);
1182
1183         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1184         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1185 }
1186
1187 static void link_btn_pressed(GtkButton *button, gpointer data)
1188 {
1189         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1190         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1191 }
1192
1193 static void link_btn_released(GtkButton *button, gpointer data)
1194 {
1195         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1196         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1197 }
1198
1199 static void link_btn_clicked(GtkButton *button, gpointer data)
1200 {
1201         gchar *url = (gchar *)data;
1202         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1203         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1204         open_uri(url, prefs_common_get_uri_cmd());
1205 }
1206
1207 static void link_btn_unrealize(GtkButton *button, gpointer data)
1208 {
1209         gchar *url = (gchar *)data;
1210         g_signal_handlers_disconnect_by_func(G_OBJECT(button),
1211                          G_CALLBACK(link_btn_clicked), url);
1212         g_free(url);
1213 }
1214
1215 GtkWidget *gtkut_get_link_btn(GtkWidget *window, const gchar *url, const gchar *label)
1216 {
1217         GtkWidget *btn;
1218         GtkWidget *btn_label;
1219 #if !GTK_CHECK_VERSION(3, 0, 0)
1220         GdkColormap *cmap;
1221         gboolean success[2];
1222 #endif
1223         GdkColor uri_color[2] = {{0, 0, 0, 0xffff}, {0, 0xffff, 0, 0}};
1224         gchar *local_url = NULL;
1225         if (!url)
1226                 return NULL;
1227
1228         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1229                                                &uri_color[0]);
1230         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1231                                                &uri_color[1]);
1232
1233         btn = gtk_button_new_with_label(label?label:url);
1234         gtk_button_set_relief(GTK_BUTTON(btn), GTK_RELIEF_NONE);
1235         btn_label = gtk_bin_get_child(GTK_BIN((btn)));
1236 #if !GTK_CHECK_VERSION(3, 0, 0)
1237         cmap = gdk_drawable_get_colormap(gtk_widget_get_window(window));
1238         gdk_colormap_alloc_colors(cmap, uri_color, 2, FALSE, TRUE, success);
1239         if (success[0] == TRUE && success[1] == TRUE) {
1240 #endif
1241                 GtkStyle *style;
1242                 gtk_widget_ensure_style(btn_label);
1243                 style = gtk_style_copy
1244                         (gtk_widget_get_style(btn_label));
1245                 style->fg[GTK_STATE_NORMAL]   = uri_color[0];
1246                 style->fg[GTK_STATE_ACTIVE]   = uri_color[1];
1247                 style->fg[GTK_STATE_PRELIGHT] = uri_color[0];
1248                 gtk_widget_set_style(btn_label, style);
1249 #if !GTK_CHECK_VERSION(3, 0, 0)
1250         } else
1251                 g_warning("color allocation failed\n");
1252 #endif
1253
1254         g_signal_connect(G_OBJECT(btn), "enter",
1255                          G_CALLBACK(link_btn_enter), window);
1256         g_signal_connect(G_OBJECT(btn), "leave",
1257                          G_CALLBACK(link_btn_leave), window);
1258         g_signal_connect(G_OBJECT(btn), "pressed",
1259                          G_CALLBACK(link_btn_pressed), window);
1260         g_signal_connect(G_OBJECT(btn), "released",
1261                          G_CALLBACK(link_btn_released), window);
1262
1263         local_url = g_strdup(url);
1264         g_signal_connect(G_OBJECT(btn), "clicked",
1265                          G_CALLBACK(link_btn_clicked), local_url);
1266         g_signal_connect(G_OBJECT(btn), "unrealize",
1267                          G_CALLBACK(link_btn_unrealize), local_url);
1268         return btn;
1269 }
1270
1271 static gboolean _combobox_separator_func(GtkTreeModel *model,
1272                 GtkTreeIter *iter, gpointer data)
1273 {
1274         gchar *txt = NULL;
1275
1276         cm_return_val_if_fail(model != NULL, FALSE);
1277
1278         gtk_tree_model_get(model, iter, COMBOBOX_TEXT, &txt, -1);
1279
1280         if( txt == NULL )
1281                 return TRUE;
1282
1283         g_free(txt);
1284         return FALSE;
1285 }
1286
1287 GtkWidget *gtkut_sc_combobox_create(GtkWidget *eventbox, gboolean focus_on_click)
1288 {
1289         GtkWidget *combobox;
1290         GtkListStore *menu;
1291         GtkCellRenderer *rend;
1292
1293         menu = gtk_list_store_new(3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_BOOLEAN);
1294
1295         combobox = gtk_combo_box_new_with_model(GTK_TREE_MODEL(menu));
1296
1297         rend = gtk_cell_renderer_text_new();
1298         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combobox), rend, TRUE);
1299         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combobox), rend,
1300                         "markup", COMBOBOX_TEXT,
1301                         "sensitive", COMBOBOX_SENS,
1302                         NULL);
1303
1304         if( eventbox != NULL )
1305                 gtk_container_add(GTK_CONTAINER(eventbox), combobox);
1306         gtk_combo_box_set_focus_on_click(GTK_COMBO_BOX(combobox), focus_on_click);
1307
1308         gtk_combo_box_set_row_separator_func(GTK_COMBO_BOX(combobox),
1309                         (GtkTreeViewRowSeparatorFunc)_combobox_separator_func, NULL, NULL);
1310
1311         return combobox;
1312 }
1313
1314 static void gtkutils_smooth_scroll_do(GtkWidget *widget, GtkAdjustment *vadj,
1315                                       gfloat old_value, gfloat last_value,
1316                                       gint step)
1317 {
1318         gint change_value;
1319         gboolean up;
1320         gint i;
1321
1322         if (old_value < last_value) {
1323                 change_value = last_value - old_value;
1324                 up = FALSE;
1325         } else {
1326                 change_value = old_value - last_value;
1327                 up = TRUE;
1328         }
1329
1330         for (i = step; i <= change_value; i += step) {
1331                 gtk_adjustment_set_value(vadj, old_value + (up ? -i : i));
1332                 g_signal_emit_by_name(G_OBJECT(vadj),
1333                                       "value_changed", 0);
1334         }
1335
1336         gtk_adjustment_set_value(vadj, last_value);
1337         g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0);
1338
1339         gtk_widget_queue_draw(widget);
1340 }
1341
1342 static gboolean gtkutils_smooth_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1343 {
1344         gfloat upper;
1345         gfloat page_incr;
1346         gfloat old_value;
1347         gfloat last_value;
1348
1349         page_incr = gtk_adjustment_get_page_increment(vadj);
1350         if (prefs_common.scroll_halfpage)
1351                 page_incr /= 2;
1352
1353         old_value = gtk_adjustment_get_value(vadj);
1354         if (!up) {
1355                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1356                 if (old_value < upper) {
1357                         last_value = old_value + page_incr;
1358                         last_value = MIN(last_value, upper);
1359
1360                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1361                                                   last_value,
1362                                                   prefs_common.scroll_step);
1363                 } else
1364                         return FALSE;
1365         } else {
1366                 if (old_value > 0.0) {
1367                         last_value = old_value - page_incr;
1368                         last_value = MAX(last_value, 0.0);
1369
1370                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1371                                                   last_value,
1372                                                   prefs_common.scroll_step);
1373                 } else
1374                         return FALSE;
1375         }
1376
1377         return TRUE;
1378 }
1379
1380 gboolean gtkutils_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1381 {
1382         gfloat upper;
1383         gfloat page_incr;
1384         gfloat old_value;
1385
1386         if (prefs_common.enable_smooth_scroll)
1387                 return gtkutils_smooth_scroll_page(widget, vadj, up);
1388
1389         page_incr = gtk_adjustment_get_page_increment(vadj);
1390         if (prefs_common.scroll_halfpage)
1391                 page_incr /= 2;
1392
1393         old_value = gtk_adjustment_get_value(vadj);
1394         if (!up) {
1395                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1396                 if (old_value < upper) {
1397                         old_value += page_incr;
1398                         old_value = MIN(old_value, upper);
1399                         gtk_adjustment_set_value(vadj, old_value);
1400                         g_signal_emit_by_name(G_OBJECT(vadj),
1401                                               "value_changed", 0);
1402                 } else
1403                         return FALSE;
1404         } else {
1405                 if (old_value > 0.0) {
1406                         old_value -= page_incr;
1407                         old_value = MAX(old_value, 0.0);
1408                         gtk_adjustment_set_value(vadj, old_value);
1409                         g_signal_emit_by_name(G_OBJECT(vadj),
1410                                               "value_changed", 0);
1411                 } else
1412                         return FALSE;
1413         }
1414         return TRUE;
1415 }
1416
1417 static void gtkutils_smooth_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1418 {
1419         gfloat upper;
1420         gfloat old_value;
1421         gfloat last_value;
1422
1423         old_value = gtk_adjustment_get_value(vadj);
1424         if (!up) {
1425                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1426                 if (old_value < upper) {
1427                         last_value = old_value + gtk_adjustment_get_step_increment(vadj);
1428                         last_value = MIN(last_value, upper);
1429
1430                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1431                                                   last_value,
1432                                                   prefs_common.scroll_step);
1433                 }
1434         } else {
1435                 if (old_value > 0.0) {
1436                         last_value = old_value - gtk_adjustment_get_step_increment(vadj);
1437                         last_value = MAX(last_value, 0.0);
1438
1439                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1440                                                   last_value,
1441                                                   prefs_common.scroll_step);
1442                 }
1443         }
1444 }
1445
1446 void gtkutils_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1447 {
1448         gfloat upper;
1449         gfloat old_value;
1450
1451         if (prefs_common.enable_smooth_scroll) {
1452                 gtkutils_smooth_scroll_one_line(widget, vadj, up);
1453                 return;
1454         }
1455
1456         old_value = gtk_adjustment_get_value(vadj);
1457         if (!up) {
1458                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1459                 if (old_value < upper) {
1460                         old_value += gtk_adjustment_get_step_increment(vadj);
1461                         old_value = MIN(old_value, upper);
1462                         gtk_adjustment_set_value(vadj, old_value);
1463                         g_signal_emit_by_name(G_OBJECT(vadj),
1464                                               "value_changed", 0);
1465                 }
1466         } else {
1467                 if (old_value > 0.0) {
1468                         old_value -= gtk_adjustment_get_step_increment(vadj);
1469                         old_value = MAX(old_value, 0.0);
1470                         gtk_adjustment_set_value(vadj, old_value);
1471                         g_signal_emit_by_name(G_OBJECT(vadj),
1472                                               "value_changed", 0);
1473                 }
1474         }
1475 }
1476
1477 gboolean gtkut_tree_model_text_iter_prev(GtkTreeModel *model,
1478                                  GtkTreeIter *iter,
1479                                  const gchar* text)
1480 /* do the same as gtk_tree_model_iter_next, but _prev instead.
1481    to use with widgets with one text column (gtk_combo_box_new_text()
1482    and with GtkComboBoxEntry's for instance),
1483 */
1484 {
1485         GtkTreeIter cur_iter;
1486         gchar *cur_value;
1487         gboolean valid;
1488         gint count;
1489
1490         cm_return_val_if_fail(model != NULL, FALSE);
1491         cm_return_val_if_fail(iter != NULL, FALSE);
1492
1493         if (text == NULL || *text == '\0')
1494                 return FALSE;
1495
1496         valid = gtk_tree_model_get_iter_first(model, &cur_iter);
1497         count = 0;
1498         while (valid) {
1499                 gtk_tree_model_get(model, &cur_iter, 0, &cur_value, -1);
1500
1501                 if (strcmp(text, cur_value) == 0) {
1502                         if (count <= 0)
1503                                 return FALSE;
1504
1505                         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1506                 }
1507
1508                 valid = gtk_tree_model_iter_next(model, &cur_iter);
1509                 count++;
1510         }
1511         return FALSE;
1512 }
1513
1514 gboolean gtkut_tree_model_get_iter_last(GtkTreeModel *model,
1515                                  GtkTreeIter *iter)
1516 /* do the same as gtk_tree_model_get_iter_first, but _last instead.
1517 */
1518 {
1519         gint count;
1520
1521         cm_return_val_if_fail(model != NULL, FALSE);
1522         cm_return_val_if_fail(iter != NULL, FALSE);
1523
1524         count = gtk_tree_model_iter_n_children(model, NULL);
1525
1526         if (count <= 0)
1527                 return FALSE;
1528
1529         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1530 }
1531
1532 GtkWidget *gtkut_window_new             (GtkWindowType   type,
1533                                          const gchar    *class)
1534 {
1535         GtkWidget *window = gtk_window_new(type);
1536         gtk_window_set_role(GTK_WINDOW(window), class);
1537         return window;
1538 }
1539
1540 static gboolean gtkut_tree_iter_comp(GtkTreeModel *model,
1541                                      GtkTreeIter *iter1,
1542                                      GtkTreeIter *iter2)
1543 {
1544         GtkTreePath *path1 = gtk_tree_model_get_path(model, iter1);
1545         GtkTreePath *path2 = gtk_tree_model_get_path(model, iter2);
1546         gboolean result;
1547
1548         result = gtk_tree_path_compare(path1, path2) == 0;
1549
1550         gtk_tree_path_free(path1);
1551         gtk_tree_path_free(path2);
1552
1553         return result;
1554 }
1555
1556 /*!
1557  *\brief        Get selected row number.
1558  */
1559 gint gtkut_list_view_get_selected_row(GtkWidget *list_view)
1560 {
1561         GtkTreeView *view = GTK_TREE_VIEW(list_view);
1562         GtkTreeModel *model = gtk_tree_view_get_model(view);
1563         int n_rows = gtk_tree_model_iter_n_children(model, NULL);
1564         GtkTreeSelection *selection;
1565         GtkTreeIter iter;
1566         int row;
1567
1568         if (n_rows == 0)
1569                 return -1;
1570
1571         selection = gtk_tree_view_get_selection(view);
1572         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1573                 return -1;
1574
1575         /* get all iterators and compare them... */
1576         for (row = 0; row < n_rows; row++) {
1577                 GtkTreeIter itern;
1578
1579                 if (gtk_tree_model_iter_nth_child(model, &itern, NULL, row)
1580                  && gtkut_tree_iter_comp(model, &iter, &itern))
1581                         return row;
1582         }
1583
1584         return -1;
1585 }
1586
1587 /*!
1588  *\brief        Select a row by its number.
1589  */
1590 gboolean gtkut_list_view_select_row(GtkWidget *list, gint row)
1591 {
1592         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1593         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
1594         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1595         GtkTreeIter iter;
1596         GtkTreePath *path;
1597
1598         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1599                 return FALSE;
1600
1601         gtk_tree_selection_select_iter(selection, &iter);
1602
1603         path = gtk_tree_model_get_path(model, &iter);
1604         gtk_tree_view_set_cursor(list_view, path, NULL, FALSE);
1605         gtk_tree_path_free(path);
1606
1607         return TRUE;
1608 }
1609
1610 static GtkUIManager *gui_manager = NULL;
1611
1612 GtkUIManager *gtkut_create_ui_manager(void)
1613 {
1614         cm_return_val_if_fail(gui_manager == NULL, gui_manager);
1615         return (gui_manager = gtk_ui_manager_new());
1616 }
1617
1618 GtkUIManager *gtkut_ui_manager(void)
1619 {
1620         return gui_manager;
1621 }
1622
1623 typedef struct _ClawsIOClosure ClawsIOClosure;
1624
1625 struct _ClawsIOClosure
1626 {
1627   ClawsIOFunc function;
1628   GIOCondition condition;
1629   GDestroyNotify notify;
1630   gpointer data;
1631 };
1632
1633 static gboolean
1634 claws_io_invoke (GIOChannel   *source,
1635                  GIOCondition  condition,
1636                  gpointer      data)
1637 {
1638   ClawsIOClosure *closure = data;
1639   int fd;
1640 #ifndef G_OS_WIN32
1641   fd = g_io_channel_unix_get_fd (source);
1642 #else
1643   fd = g_io_channel_win32_get_fd (source);
1644 #endif
1645   if (closure->condition & condition)
1646     closure->function (closure->data, fd, condition);
1647
1648   return TRUE;
1649 }
1650
1651 static void
1652 claws_io_destroy (gpointer data)
1653 {
1654   ClawsIOClosure *closure = data;
1655
1656   if (closure->notify)
1657     closure->notify (closure->data);
1658
1659   g_free (closure);
1660 }
1661
1662 gint
1663 claws_input_add    (gint              source,
1664                     GIOCondition      condition,
1665                     ClawsIOFunc       function,
1666                     gpointer          data,
1667                     gboolean          is_sock)
1668 {
1669   guint result;
1670   ClawsIOClosure *closure = g_new (ClawsIOClosure, 1);
1671   GIOChannel *channel;
1672
1673   closure->function = function;
1674   closure->condition = condition;
1675   closure->notify = NULL;
1676   closure->data = data;
1677
1678 #ifndef G_OS_WIN32
1679   channel = g_io_channel_unix_new (source);
1680 #else
1681   if (is_sock)
1682     channel = g_io_channel_win32_new_socket(source);
1683   else
1684     channel = g_io_channel_win32_new_fd(source);
1685 #endif
1686   result = g_io_add_watch_full (channel, G_PRIORITY_DEFAULT, condition,
1687                                 claws_io_invoke,
1688                                 closure, claws_io_destroy);
1689   g_io_channel_unref (channel);
1690
1691   return result;
1692 }
1693
1694 void gtkut_widget_set_mapped(GtkWidget *widget, gboolean mapped)
1695 {
1696 #if GTK_CHECK_VERSION(2,20,0)
1697         gtk_widget_set_mapped(widget, mapped);
1698 #else
1699         if (mapped)
1700                 GTK_WIDGET_SET_FLAGS(widget, GTK_MAPPED);
1701         else
1702                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_MAPPED);
1703 #endif
1704 }
1705
1706 void gtkut_widget_set_realized(GtkWidget *widget, gboolean realized)
1707 {
1708 #if GTK_CHECK_VERSION(2,20,0)
1709         gtk_widget_set_realized(widget, realized);
1710 #else
1711         if (realized)
1712                 GTK_WIDGET_SET_FLAGS(widget, GTK_REALIZED);
1713         else
1714                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_REALIZED);
1715 #endif
1716 }
1717
1718 void gtkut_widget_set_can_default(GtkWidget *widget, gboolean can_default)
1719 {
1720 #if GTK_CHECK_VERSION(2,20,0)
1721         gtk_widget_set_can_default(widget, can_default);
1722 #else
1723         if (can_default)
1724                 GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_DEFAULT);
1725         else
1726                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_DEFAULT);
1727 #endif
1728 }
1729
1730 void gtkut_widget_set_receives_default(GtkWidget *widget, gboolean receives_default)
1731 {
1732 #if GTK_CHECK_VERSION(2,20,0)
1733         gtk_widget_set_receives_default(widget, receives_default);
1734 #else
1735         if (receives_default)
1736                 GTK_WIDGET_SET_FLAGS(widget, GTK_RECEIVES_DEFAULT);
1737         else
1738                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_RECEIVES_DEFAULT);
1739 #endif
1740 }
1741
1742 void gtkut_widget_set_can_focus(GtkWidget *widget, gboolean can_focus)
1743 {
1744 #if GTK_CHECK_VERSION(2,20,0)
1745         gtk_widget_set_can_focus(widget, can_focus);
1746 #else
1747         if (can_focus)
1748                 GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_FOCUS);
1749         else
1750                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_FOCUS);
1751 #endif
1752 }
1753
1754 void gtkut_widget_set_has_window(GtkWidget *widget, gboolean has_window)
1755 {
1756 #if GTK_CHECK_VERSION(2,20,0)
1757         gtk_widget_set_has_window(widget, has_window);
1758 #else
1759         if (has_window) /* Inverted logic there */
1760                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_NO_WINDOW);
1761         else
1762                 GTK_WIDGET_SET_FLAGS(widget, GTK_NO_WINDOW);
1763 #endif
1764 }
1765
1766 /**
1767  * Load a pixbuf fitting inside the specified size. EXIF orientation is
1768  * respected if available.
1769  *
1770  * @param[in] filename          the file to load
1771  * @param[in] box_width         the max width (-1 for no resize)
1772  * @param[in] box_height        the max height (-1 for no resize)
1773  * @param[out] error            the possible load error
1774  *
1775  * @return a GdkPixbuf
1776  */
1777 GdkPixbuf *claws_load_pixbuf_fitting(GdkPixbuf *src_pixbuf, int box_width,
1778                                      int box_height)
1779 {
1780         gint w, h, orientation, angle;
1781         gint avail_width, avail_height;
1782         gboolean flip_horiz, flip_vert;
1783         const gchar *orient_str;
1784         GdkPixbuf *pixbuf, *t_pixbuf;
1785
1786         pixbuf = src_pixbuf;
1787
1788         if (pixbuf == NULL)
1789                 return NULL;
1790
1791         angle = 0;
1792         flip_horiz = flip_vert = FALSE;
1793
1794         /* EXIF orientation */
1795         orient_str = gdk_pixbuf_get_option(pixbuf, "orientation");
1796         if (orient_str != NULL && *orient_str != '\0') {
1797                 orientation = atoi(orient_str);
1798                 switch(orientation) {
1799                         /* See EXIF standard for different values */
1800                         case 1: break;
1801                         case 2: flip_horiz = 1;
1802                                 break;
1803                         case 3: angle = 180;
1804                                 break;
1805                         case 4: flip_vert = 1;
1806                                 break;
1807                         case 5: angle = 90;
1808                                 flip_horiz = 1;
1809                                 break;
1810                         case 6: angle = 270;
1811                                 break;
1812                         case 7: angle = 90;
1813                                 flip_vert = 1;
1814                                 break;
1815                         case 8: angle = 90;
1816                                 break;
1817                 }
1818         }
1819
1820         w = gdk_pixbuf_get_width(pixbuf);
1821         h = gdk_pixbuf_get_height(pixbuf);
1822
1823         if (angle == 90 || angle == 270) {
1824                 avail_height = box_width;
1825                 avail_width = box_height;
1826         } else {
1827                 avail_width = box_width;
1828                 avail_height = box_height;
1829         }
1830
1831         /* Scale first */
1832         if (box_width != -1 && box_height != -1 && avail_width - 100 > 0) {
1833                 if (w > avail_width) {
1834                         h = (avail_width * h) / w;
1835                         w = avail_width;
1836                 }
1837                 if (h > avail_height) {
1838                         w = (avail_height * w) / h;
1839                         h = avail_height;
1840                 }
1841                 t_pixbuf = gdk_pixbuf_scale_simple(pixbuf,
1842                         w, h, GDK_INTERP_BILINEAR);
1843                 g_object_unref(pixbuf);
1844                 pixbuf = t_pixbuf;
1845         }
1846
1847         /* Rotate if needed */
1848         if (angle != 0) {
1849                 t_pixbuf = gdk_pixbuf_rotate_simple(pixbuf, angle);
1850                 g_object_unref(pixbuf);
1851                 pixbuf = t_pixbuf;
1852         }
1853
1854         /* Flip horizontally if needed */
1855         if (flip_horiz) {
1856                 t_pixbuf = gdk_pixbuf_flip(pixbuf, TRUE);
1857                 g_object_unref(pixbuf);
1858                 pixbuf = t_pixbuf;
1859         }
1860
1861         /* Flip vertically if needed */
1862         if (flip_vert) {
1863                 t_pixbuf = gdk_pixbuf_flip(pixbuf, FALSE);
1864                 g_object_unref(pixbuf);
1865                 pixbuf = t_pixbuf;
1866         }
1867
1868         return pixbuf;
1869 }
1870
1871 #if (defined USE_GNUTLS && GLIB_CHECK_VERSION(2,22,0))
1872 static void auto_configure_done(const gchar *hostname, gint port, gboolean ssl, AutoConfigureData *data)
1873 {
1874         if (hostname != NULL) {
1875                 if (data->hostname_entry)
1876                         gtk_entry_set_text(data->hostname_entry, hostname);
1877                 if (data->set_port)
1878                         gtk_toggle_button_set_active(data->set_port,
1879                                 (ssl && port == data->default_ssl_port) || (!ssl && port == data->default_port));
1880                 if (data->port)
1881                         gtk_spin_button_set_value(data->port, port);
1882                 else if (data->hostname_entry) {
1883                         gchar *tmp = g_strdup_printf("%s:%d", hostname, port);
1884                         gtk_entry_set_text(data->hostname_entry, tmp);
1885                         g_free(tmp);
1886                 }
1887
1888                 if (ssl && data->ssl_checkbtn) {
1889                         gtk_toggle_button_set_active(data->ssl_checkbtn, TRUE);
1890                         gtk_toggle_button_set_active(data->tls_checkbtn, FALSE);
1891                 } else if (data->tls_checkbtn) {
1892                         if (!GTK_IS_RADIO_BUTTON(data->ssl_checkbtn)) {
1893                                 /* Wizard where TLS is [x]SSL + [x]TLS */
1894                                 gtk_toggle_button_set_active(data->ssl_checkbtn, TRUE);
1895                         }
1896                         gtk_toggle_button_set_active(data->tls_checkbtn, TRUE);
1897                 }
1898
1899                 /* Check authentication by default. This is probably required if
1900                  * auto-configuration worked.
1901                  */
1902                 if (data->auth_checkbtn)
1903                         gtk_toggle_button_set_active(data->auth_checkbtn, TRUE);
1904
1905                 gtk_label_set_text(data->info_label, _("Done."));
1906         } else {
1907         gtk_label_set_text(data->info_label, _("Failed."));
1908         }
1909         gtk_widget_show(GTK_WIDGET(data->configure_button));
1910         gtk_widget_hide(GTK_WIDGET(data->cancel_button));
1911         g_free(data->domain);
1912         g_free(data);
1913 }
1914
1915 static void resolve_done(GObject *source, GAsyncResult *result, gpointer user_data)
1916 {
1917         AutoConfigureData *data = (AutoConfigureData *)user_data;
1918         GResolver *resolver = (GResolver *)source;
1919         GError *error = NULL;
1920         gchar *hostname = NULL;
1921         guint16 port;
1922         GList *answers, *cur;
1923         gboolean found = FALSE;
1924         gboolean abort = FALSE;
1925
1926         answers = g_resolver_lookup_service_finish(resolver, result, &error);
1927
1928         if (answers) {
1929                 for (cur = g_srv_target_list_sort(answers); cur; cur = cur->next) {
1930                         GSrvTarget *target = (GSrvTarget *)cur->data;
1931                         const gchar *h = g_srv_target_get_hostname(target);
1932                         port = g_srv_target_get_port(target);
1933                         if (h && strcmp(h,"") && port > 0) {
1934                                 hostname = g_strdup(h);
1935                                 found = TRUE;
1936                                 break;
1937                         }
1938                 }
1939                 g_resolver_free_targets(answers);
1940         } else if (error) {
1941                 if (error->code == G_IO_ERROR_CANCELLED)
1942                         abort = TRUE;
1943                 debug_print("error %s\n", error->message);
1944                 g_error_free(error);
1945         }
1946
1947         if (found) {
1948                 auto_configure_done(hostname, port, data->ssl_service != NULL, data);
1949         } else if (data->ssl_service && !abort) {
1950                 /* Fallback to TLS */
1951                 data->ssl_service = NULL;
1952                 auto_configure_service(data);
1953         } else {
1954                 auto_configure_done(NULL, 0, FALSE, data);
1955         }
1956         g_free(hostname);
1957         g_object_unref(resolver);
1958 }
1959
1960 void auto_configure_service(AutoConfigureData *data)
1961 {
1962         GResolver *resolver;
1963         const gchar *cur_service = data->ssl_service != NULL ? data->ssl_service : data->tls_service;
1964
1965         cm_return_if_fail(cur_service != NULL);
1966         cm_return_if_fail(data->domain != NULL);
1967
1968         resolver = g_resolver_get_default();
1969         if (resolver != NULL) {
1970                 gtk_label_set_text(data->info_label, _("Configuring..."));
1971                 gtk_widget_hide(GTK_WIDGET(data->configure_button));
1972                 gtk_widget_show(GTK_WIDGET(data->cancel_button));
1973                 g_resolver_lookup_service_async(resolver, cur_service, "tcp", data->domain,
1974                                         data->cancel, resolve_done, data);
1975         }
1976 }
1977
1978 gboolean auto_configure_service_sync(const gchar *service, const gchar *domain, gchar **srvhost, guint16 *srvport)
1979 {
1980         GResolver *resolver;
1981         GList *answers, *cur;
1982         GError *error = NULL;
1983         gboolean result = FALSE;
1984
1985         cm_return_val_if_fail(service != NULL, FALSE);
1986         cm_return_val_if_fail(domain != NULL, FALSE);
1987
1988         resolver = g_resolver_get_default();
1989         if (resolver == NULL)
1990                 return FALSE;
1991
1992         answers = g_resolver_lookup_service(resolver, service, "tcp", domain, NULL, &error);
1993
1994         *srvhost = NULL;
1995         *srvport = 0;
1996
1997         if (answers) {
1998                 for (cur = g_srv_target_list_sort(answers); cur; cur = cur->next) {
1999                         GSrvTarget *target = (GSrvTarget *)cur->data;
2000                         const gchar *hostname = g_srv_target_get_hostname(target);
2001                         guint16 port = g_srv_target_get_port(target);
2002                         if (hostname && strcmp(hostname,"") && port > 0) {
2003                                 result = TRUE;
2004                                 *srvhost = g_strdup(hostname);
2005                                 *srvport = port;
2006                                 break;
2007                         }
2008                 }
2009                 g_resolver_free_targets(answers);
2010         } else if (error) {
2011                 g_error_free(error);
2012         }
2013
2014         g_object_unref(resolver);
2015         return result;
2016 }
2017 #endif