src/gtk/gtkutils.c

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