src/gtk/gtkutils.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2009 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 #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 "base64.h"
  60 #include "manual.h"
  61 #include "combobox.h"
  62
  63 gboolean gtkut_get_font_size(GtkWidget *widget,
  64                              gint *width, gint *height)
  65 {
  66         PangoLayout *layout;
  67         const gchar *str = "Abcdef";
  68
  69         cm_return_val_if_fail(GTK_IS_WIDGET(widget), FALSE);
  70
  71         layout = gtk_widget_create_pango_layout(widget, str);
  72         cm_return_val_if_fail(layout, FALSE);
  73         pango_layout_get_pixel_size(layout, width, height);
  74         if (width)
  75                 *width = *width / g_utf8_strlen(str, -1);
  76         g_object_unref(layout);
  77
  78         return TRUE;
  79 }
  80
  81 void gtkut_widget_set_small_font_size(GtkWidget *widget)
  82 {
  83         PangoFontDescription *font_desc;
  84         gint size;
  85
  86         cm_return_if_fail(widget != NULL);
  87         cm_return_if_fail(widget->style != NULL);
  88
  89         if (prefs_common.derive_from_normal_font || !SMALL_FONT) {
  90                 font_desc = pango_font_description_from_string(NORMAL_FONT);
  91                 size = pango_font_description_get_size(font_desc);
  92                 pango_font_description_set_size(font_desc, size * PANGO_SCALE_SMALL);
  93                 gtk_widget_modify_font(widget, font_desc);
  94                 pango_font_description_free(font_desc);
  95         } else {
  96                 font_desc = pango_font_description_from_string(SMALL_FONT);
  97                 gtk_widget_modify_font(widget, font_desc);
  98                 pango_font_description_free(font_desc);
  99         }
 100 }
 101
 102 void gtkut_convert_int_to_gdk_color(gint rgbvalue, GdkColor *color)
 103 {
 104         cm_return_if_fail(color != NULL);
 105
 106         color->pixel = 0L;
 107         color->red   = (int) (((gdouble)((rgbvalue & 0xff0000) >> 16) / 255.0) * 65535.0);
 108         color->green = (int) (((gdouble)((rgbvalue & 0x00ff00) >>  8) / 255.0) * 65535.0);
 109         color->blue  = (int) (((gdouble) (rgbvalue & 0x0000ff)        / 255.0) * 65535.0);
 110 }
 111
 112 #define CL(x)   (((gulong) (x) >> (gulong) 8) & 0xFFUL)
 113 #define RGB_FROM_GDK_COLOR(c) \
 114         ((CL(c->red)   << (gulong) 16) | \
 115          (CL(c->green) << (gulong)  8) | \
 116          (CL(c->blue)))
 117
 118 gint gtkut_convert_gdk_color_to_int(GdkColor *color)
 119 {
 120         return RGB_FROM_GDK_COLOR(color);
 121 }
 122
 123 void gtkut_stock_button_add_help(GtkWidget *bbox, GtkWidget **help_btn)
 124 {
 125         cm_return_if_fail(bbox != NULL);
 126
 127         *help_btn = gtk_button_new_from_stock(GTK_STOCK_HELP);
 128
 129         gtkut_widget_set_can_default(*help_btn, TRUE);
 130         gtk_box_pack_end(GTK_BOX (bbox), *help_btn, TRUE, TRUE, 0);
 131         gtk_button_box_set_child_secondary(GTK_BUTTON_BOX (bbox),
 132                         *help_btn, TRUE);
 133         gtk_widget_set_sensitive(*help_btn,
 134                         manual_available(MANUAL_MANUAL_CLAWS));
 135         gtk_widget_show(*help_btn);
 136 }
 137
 138 void gtkut_stock_button_set_create_with_help(GtkWidget **bbox,
 139                 GtkWidget **help_button,
 140                 GtkWidget **button1, const gchar *label1,
 141                 GtkWidget **button2, const gchar *label2,
 142                 GtkWidget **button3, const gchar *label3)
 143 {
 144         cm_return_if_fail(bbox != NULL);
 145         cm_return_if_fail(button1 != NULL);
 146
 147         gtkut_stock_button_set_create(bbox, button1, label1,
 148                         button2, label2, button3, label3);
 149
 150         gtkut_stock_button_add_help(*bbox, help_button);
 151 }
 152
 153 void gtkut_stock_button_set_create(GtkWidget **bbox,
 154                                    GtkWidget **button1, const gchar *label1,
 155                                    GtkWidget **button2, const gchar *label2,
 156                                    GtkWidget **button3, const gchar *label3)
 157 {
 158         cm_return_if_fail(bbox != NULL);
 159         cm_return_if_fail(button1 != NULL);
 160
 161         *bbox = gtk_hbutton_box_new();
 162         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 163         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 164
 165         *button1 = gtk_button_new_from_stock(label1);
 166         gtkut_widget_set_can_default(*button1, TRUE);
 167         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 168         gtk_widget_show(*button1);
 169
 170         if (button2) {
 171                 *button2 = gtk_button_new_from_stock(label2);
 172                 gtkut_widget_set_can_default(*button2, TRUE);
 173                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 174                 gtk_widget_show(*button2);
 175         }
 176
 177         if (button3) {
 178                 *button3 = gtk_button_new_from_stock(label3);
 179                 gtkut_widget_set_can_default(*button3, TRUE);
 180                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 181                 gtk_widget_show(*button3);
 182         }
 183 }
 184
 185 void gtkut_stock_with_text_button_set_create(GtkWidget **bbox,
 186                                    GtkWidget **button1, const gchar *label1, const gchar *text1,
 187                                    GtkWidget **button2, const gchar *label2, const gchar *text2,
 188                                    GtkWidget **button3, const gchar *label3, const gchar *text3)
 189 {
 190         cm_return_if_fail(bbox != NULL);
 191         cm_return_if_fail(button1 != NULL);
 192
 193         *bbox = gtk_hbutton_box_new();
 194         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 195         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 196
 197         *button1 = gtk_button_new_with_mnemonic(text1);
 198         gtk_button_set_image(GTK_BUTTON(*button1),
 199                 gtk_image_new_from_stock(label1, GTK_ICON_SIZE_BUTTON));
 200         gtkut_widget_set_can_default(*button1, TRUE);
 201         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 202         gtk_widget_show(*button1);
 203
 204         if (button2) {
 205                 *button2 = gtk_button_new_with_mnemonic(text2);
 206                 gtk_button_set_image(GTK_BUTTON(*button2),
 207                         gtk_image_new_from_stock(label2, GTK_ICON_SIZE_BUTTON));
 208                 gtkut_widget_set_can_default(*button2, TRUE);
 209                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 210                 gtk_widget_show(*button2);
 211         }
 212
 213         if (button3) {
 214                 *button3 = gtk_button_new_with_mnemonic(text3);
 215                 gtk_button_set_image(GTK_BUTTON(*button3),
 216                         gtk_image_new_from_stock(label3, GTK_ICON_SIZE_BUTTON));
 217                 gtkut_widget_set_can_default(*button3, TRUE);
 218                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 219                 gtk_widget_show(*button3);
 220         }
 221 }
 222
 223 #define CELL_SPACING 1
 224 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
 225                                     (((row) + 1) * CELL_SPACING) + \
 226                                     (clist)->voffset)
 227 #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
 228                                    ((clist)->row_height + CELL_SPACING))
 229
 230 void gtkut_ctree_node_move_if_on_the_edge(GtkCMCTree *ctree, GtkCMCTreeNode *node, gint _row)
 231 {
 232         GtkCMCList *clist = GTK_CMCLIST(ctree);
 233         gint row;
 234         GtkVisibility row_visibility, prev_row_visibility, next_row_visibility;
 235
 236         cm_return_if_fail(ctree != NULL);
 237         cm_return_if_fail(node != NULL);
 238
 239         row = (_row != -1 ? _row : g_list_position(clist->row_list, (GList *)node));
 240
 241         if (row < 0 || row >= clist->rows || clist->row_height == 0) return;
 242         row_visibility = gtk_cmclist_row_is_visible(clist, row);
 243         prev_row_visibility = gtk_cmclist_row_is_visible(clist, row - 1);
 244         next_row_visibility = gtk_cmclist_row_is_visible(clist, row + 1);
 245
 246         if (row_visibility == GTK_VISIBILITY_NONE) {
 247                 gtk_cmclist_moveto(clist, row, -1, 0.5, 0);
 248                 return;
 249         }
 250         if (row_visibility == GTK_VISIBILITY_FULL &&
 251             prev_row_visibility == GTK_VISIBILITY_FULL &&
 252             next_row_visibility == GTK_VISIBILITY_FULL)
 253                 return;
 254         if (prev_row_visibility != GTK_VISIBILITY_FULL &&
 255             next_row_visibility != GTK_VISIBILITY_FULL)
 256                 return;
 257
 258         if (prev_row_visibility != GTK_VISIBILITY_FULL) {
 259                 gtk_cmclist_moveto(clist, row, -1, 0.2, 0);
 260                 return;
 261         }
 262         if (next_row_visibility != GTK_VISIBILITY_FULL) {
 263                 gtk_cmclist_moveto(clist, row, -1, 0.8, 0);
 264                 return;
 265         }
 266 }
 267
 268 #undef CELL_SPACING
 269 #undef ROW_TOP_YPIXEL
 270 #undef ROW_FROM_YPIXEL
 271
 272 gint gtkut_ctree_get_nth_from_node(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 273 {
 274         cm_return_val_if_fail(ctree != NULL, -1);
 275         cm_return_val_if_fail(node != NULL, -1);
 276
 277         return g_list_position(GTK_CMCLIST(ctree)->row_list, (GList *)node);
 278 }
 279
 280 /* get the next node, including the invisible one */
 281 GtkCMCTreeNode *gtkut_ctree_node_next(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 282 {
 283         GtkCMCTreeNode *parent;
 284
 285         if (!node) return NULL;
 286
 287         if (GTK_CMCTREE_ROW(node)->children)
 288                 return GTK_CMCTREE_ROW(node)->children;
 289
 290         if (GTK_CMCTREE_ROW(node)->sibling)
 291                 return GTK_CMCTREE_ROW(node)->sibling;
 292
 293         for (parent = GTK_CMCTREE_ROW(node)->parent; parent != NULL;
 294              parent = GTK_CMCTREE_ROW(parent)->parent) {
 295                 if (GTK_CMCTREE_ROW(parent)->sibling)
 296                         return GTK_CMCTREE_ROW(parent)->sibling;
 297         }
 298
 299         return NULL;
 300 }
 301
 302 /* get the previous node, including the invisible one */
 303 GtkCMCTreeNode *gtkut_ctree_node_prev(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 304 {
 305         GtkCMCTreeNode *prev;
 306         GtkCMCTreeNode *child;
 307
 308         if (!node) return NULL;
 309
 310         prev = GTK_CMCTREE_NODE_PREV(node);
 311         if (prev == GTK_CMCTREE_ROW(node)->parent)
 312                 return prev;
 313
 314         child = prev;
 315         while (GTK_CMCTREE_ROW(child)->children != NULL) {
 316                 child = GTK_CMCTREE_ROW(child)->children;
 317                 while (GTK_CMCTREE_ROW(child)->sibling != NULL)
 318                         child = GTK_CMCTREE_ROW(child)->sibling;
 319         }
 320
 321         return child;
 322 }
 323
 324 gboolean gtkut_ctree_node_is_selected(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 325 {
 326         GtkCMCList *clist = GTK_CMCLIST(ctree);
 327         GList *cur;
 328
 329         for (cur = clist->selection; cur != NULL; cur = cur->next) {
 330                 if (node == GTK_CMCTREE_NODE(cur->data))
 331                         return TRUE;
 332         }
 333
 334         return FALSE;
 335 }
 336
 337 GtkCMCTreeNode *gtkut_ctree_find_collapsed_parent(GtkCMCTree *ctree,
 338                                                 GtkCMCTreeNode *node)
 339 {
 340         if (!node) return NULL;
 341
 342         while ((node = GTK_CMCTREE_ROW(node)->parent) != NULL) {
 343                 if (!GTK_CMCTREE_ROW(node)->expanded)
 344                         return node;
 345         }
 346
 347         return NULL;
 348 }
 349
 350 void gtkut_ctree_expand_parent_all(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 351 {
 352         while ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
 353                 gtk_cmctree_expand(ctree, node);
 354 }
 355
 356 gboolean gtkut_ctree_node_is_parent(GtkCMCTreeNode *parent, GtkCMCTreeNode *node)
 357 {
 358         GtkCMCTreeNode *tmp;
 359         cm_return_val_if_fail(node != NULL, FALSE);
 360         cm_return_val_if_fail(parent != NULL, FALSE);
 361         tmp = node;
 362
 363         while (tmp) {
 364                 if(GTK_CMCTREE_ROW(tmp)->parent && GTK_CMCTREE_ROW(tmp)->parent == parent)
 365                         return TRUE;
 366                 tmp = GTK_CMCTREE_ROW(tmp)->parent;
 367         }
 368
 369         return FALSE;
 370 }
 371
 372 void gtkut_ctree_set_focus_row(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 373 {
 374         if (node == NULL)
 375                 return;
 376         gtkut_clist_set_focus_row(GTK_CMCLIST(ctree),
 377                                   gtkut_ctree_get_nth_from_node(ctree, node));
 378 }
 379
 380 void gtkut_clist_set_focus_row(GtkCMCList *clist, gint row)
 381 {
 382         clist->focus_row = row;
 383         GTKUT_CTREE_REFRESH(clist);
 384 }
 385
 386 void gtkut_container_remove(GtkContainer *container, GtkWidget *widget)
 387 {
 388         gtk_container_remove(container, widget);
 389 }
 390
 391 static gboolean gtkut_text_buffer_match_string(GtkTextBuffer *textbuf,
 392                                         const GtkTextIter *iter,
 393                                         gunichar *wcs, gint len,
 394                                         gboolean case_sens)
 395 {
 396         GtkTextIter start_iter, end_iter;
 397         gchar *utf8str, *p;
 398         gint match_count;
 399
 400         start_iter = end_iter = *iter;
 401         gtk_text_iter_forward_chars(&end_iter, len);
 402
 403         utf8str = gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter,
 404                                            FALSE);
 405         if (!utf8str) return FALSE;
 406
 407         if ((gint)g_utf8_strlen(utf8str, -1) != len) {
 408                 g_free(utf8str);
 409                 return FALSE;
 410         }
 411
 412         for (p = utf8str, match_count = 0;
 413              *p != '\0' && match_count < len;
 414              p = g_utf8_next_char(p), match_count++) {
 415                 gunichar wc;
 416
 417                 wc = g_utf8_get_char(p);
 418
 419                 if (case_sens) {
 420                         if (wc != wcs[match_count])
 421                                 break;
 422                 } else {
 423                         if (g_unichar_tolower(wc) !=
 424                             g_unichar_tolower(wcs[match_count]))
 425                                 break;
 426                 }
 427         }
 428
 429         g_free(utf8str);
 430
 431         if (match_count == len)
 432                 return TRUE;
 433         else
 434                 return FALSE;
 435 }
 436
 437 static gboolean gtkut_text_buffer_find(GtkTextBuffer *buffer, const GtkTextIter *iter,
 438                                 const gchar *str, gboolean case_sens,
 439                                 GtkTextIter *match_pos)
 440 {
 441         gunichar *wcs;
 442         gint len;
 443         glong items_read = 0, items_written = 0;
 444         GError *error = NULL;
 445         GtkTextIter iter_;
 446         gboolean found = FALSE;
 447
 448         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 449         if (error != NULL) {
 450                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n",
 451                           error->message);
 452                 g_error_free(error);
 453         }
 454         if (!wcs || items_written <= 0) return FALSE;
 455         len = (gint)items_written;
 456
 457         iter_ = *iter;
 458         do {
 459                 found = gtkut_text_buffer_match_string
 460                         (buffer, &iter_, wcs, len, case_sens);
 461                 if (found) {
 462                         *match_pos = iter_;
 463                         break;
 464                 }
 465         } while (gtk_text_iter_forward_char(&iter_));
 466
 467         g_free(wcs);
 468
 469         return found;
 470 }
 471
 472 static gboolean gtkut_text_buffer_find_backward(GtkTextBuffer *buffer,
 473                                          const GtkTextIter *iter,
 474                                          const gchar *str, gboolean case_sens,
 475                                          GtkTextIter *match_pos)
 476 {
 477         gunichar *wcs;
 478         gint len;
 479         glong items_read = 0, items_written = 0;
 480         GError *error = NULL;
 481         GtkTextIter iter_;
 482         gboolean found = FALSE;
 483
 484         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 485         if (error != NULL) {
 486                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n", error->message);
 487                 g_error_free(error);
 488         }
 489         if (!wcs || items_written <= 0) return FALSE;
 490         len = (gint)items_written;
 491
 492         iter_ = *iter;
 493         while (gtk_text_iter_backward_char(&iter_)) {
 494                 found = gtkut_text_buffer_match_string
 495                         (buffer, &iter_, wcs, len, case_sens);
 496                 if (found) {
 497                         *match_pos = iter_;
 498                         break;
 499                 }
 500         }
 501
 502         g_free(wcs);
 503
 504         return found;
 505 }
 506
 507 gchar *gtkut_text_view_get_selection(GtkTextView *textview)
 508 {
 509         GtkTextBuffer *buffer;
 510         GtkTextIter start_iter, end_iter;
 511         gboolean found;
 512
 513         cm_return_val_if_fail(GTK_IS_TEXT_VIEW(textview), NULL);
 514
 515         buffer = gtk_text_view_get_buffer(textview);
 516         found = gtk_text_buffer_get_selection_bounds(buffer,
 517                                                      &start_iter,
 518                                                      &end_iter);
 519         if (found)
 520                 return gtk_text_buffer_get_text(buffer, &start_iter, &end_iter,
 521                                                 FALSE);
 522         else
 523                 return NULL;
 524 }
 525
 526
 527 void gtkut_text_view_set_position(GtkTextView *text, gint pos)
 528 {
 529         GtkTextBuffer *buffer;
 530         GtkTextIter iter;
 531
 532         cm_return_if_fail(text != NULL);
 533
 534         buffer = gtk_text_view_get_buffer(text);
 535
 536         gtk_text_buffer_get_iter_at_offset(buffer, &iter, pos);
 537         gtk_text_buffer_place_cursor(buffer, &iter);
 538         gtk_text_view_scroll_to_iter(text, &iter, 0.0, FALSE, 0.0, 0.0);
 539 }
 540
 541 gboolean gtkut_text_view_search_string(GtkTextView *text, const gchar *str,
 542                                         gboolean case_sens)
 543 {
 544         GtkTextBuffer *buffer;
 545         GtkTextIter iter, match_pos;
 546         GtkTextMark *mark;
 547         gint len;
 548
 549         cm_return_val_if_fail(text != NULL, FALSE);
 550         cm_return_val_if_fail(str != NULL, FALSE);
 551
 552         buffer = gtk_text_view_get_buffer(text);
 553
 554         len = g_utf8_strlen(str, -1);
 555         cm_return_val_if_fail(len >= 0, FALSE);
 556
 557         mark = gtk_text_buffer_get_insert(buffer);
 558         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
 559
 560         if (gtkut_text_buffer_find(buffer, &iter, str, case_sens,
 561                                    &match_pos)) {
 562                 GtkTextIter end = match_pos;
 563
 564                 gtk_text_iter_forward_chars(&end, len);
 565                 /* place "insert" at the last character */
 566                 gtk_text_buffer_select_range(buffer, &end, &match_pos);
 567                 gtk_text_view_scroll_to_mark(text, mark, 0.0, TRUE, 0.0, 0.5);
 568                 return TRUE;
 569         }
 570
 571         return FALSE;
 572 }
 573
 574 gboolean gtkut_text_view_search_string_backward(GtkTextView *text, const gchar *str,
 575                                         gboolean case_sens)
 576 {
 577         GtkTextBuffer *buffer;
 578         GtkTextIter iter, match_pos;
 579         GtkTextMark *mark;
 580         gint len;
 581
 582         cm_return_val_if_fail(text != NULL, FALSE);
 583         cm_return_val_if_fail(str != NULL, FALSE);
 584
 585         buffer = gtk_text_view_get_buffer(text);
 586
 587         len = g_utf8_strlen(str, -1);
 588         cm_return_val_if_fail(len >= 0, FALSE);
 589
 590         mark = gtk_text_buffer_get_insert(buffer);
 591         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
 592
 593         if (gtkut_text_buffer_find_backward(buffer, &iter, str, case_sens,
 594                                             &match_pos)) {
 595                 GtkTextIter end = match_pos;
 596
 597                 gtk_text_iter_forward_chars(&end, len);
 598                 gtk_text_buffer_select_range(buffer, &match_pos, &end);
 599                 gtk_text_view_scroll_to_mark(text, mark, 0.0, TRUE, 0.0, 0.5);
 600                 return TRUE;
 601         }
 602
 603         return FALSE;
 604 }
 605
 606 void gtkut_window_popup(GtkWidget *window)
 607 {
 608         gint x, y, sx, sy, new_x, new_y;
 609
 610         cm_return_if_fail(window != NULL);
 611         cm_return_if_fail(window->window != NULL);
 612
 613         sx = gdk_screen_width();
 614         sy = gdk_screen_height();
 615
 616         gdk_window_get_origin(window->window, &x, &y);
 617         new_x = x % sx; if (new_x < 0) new_x = 0;
 618         new_y = y % sy; if (new_y < 0) new_y = 0;
 619         if (new_x != x || new_y != y)
 620                 gdk_window_move(window->window, new_x, new_y);
 621
 622         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(window), FALSE);
 623         gtk_window_present_with_time(GTK_WINDOW(window), time(NULL));
 624 }
 625
 626 void gtkut_widget_get_uposition(GtkWidget *widget, gint *px, gint *py)
 627 {
 628         gint x, y;
 629         gint sx, sy;
 630
 631         cm_return_if_fail(widget != NULL);
 632         cm_return_if_fail(widget->window != NULL);
 633
 634         sx = gdk_screen_width();
 635         sy = gdk_screen_height();
 636
 637         /* gdk_window_get_root_origin ever return *rootwindow*'s position */
 638         gdk_window_get_root_origin(widget->window, &x, &y);
 639
 640         x %= sx; if (x < 0) x = 0;
 641         y %= sy; if (y < 0) y = 0;
 642         *px = x;
 643         *py = y;
 644 }
 645
 646 void gtkut_widget_draw_now(GtkWidget *widget)
 647 {
 648         if (widget && gtkut_widget_get_visible(widget) && gtkut_widget_is_drawable(widget))
 649                 gdk_window_process_updates(widget->window, FALSE);
 650 }
 651
 652 static void gtkut_clist_bindings_add(GtkWidget *clist)
 653 {
 654         GtkBindingSet *binding_set;
 655
 656         binding_set = gtk_binding_set_by_class
 657                 (GTK_CMCLIST_GET_CLASS(clist));
 658
 659         gtk_binding_entry_add_signal(binding_set, GDK_n, GDK_CONTROL_MASK,
 660                                      "scroll_vertical", 2,
 661                                      G_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 662                                      G_TYPE_FLOAT, 0.0);
 663         gtk_binding_entry_add_signal(binding_set, GDK_p, GDK_CONTROL_MASK,
 664                                      "scroll_vertical", 2,
 665                                      G_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 666                                      G_TYPE_FLOAT, 0.0);
 667 }
 668
 669 void gtkut_widget_init(void)
 670 {
 671         GtkWidget *clist;
 672
 673         clist = gtk_cmclist_new(1);
 674         g_object_ref(G_OBJECT(clist));
 675 #if GLIB_CHECK_VERSION(2,10,0)
 676         g_object_ref_sink (G_OBJECT(clist));
 677 #else
 678         gtk_object_ref (G_OBJECT(clist));
 679         gtk_object_sink (G_OBJECT(clist));
 680 #endif
 681         gtkut_clist_bindings_add(clist);
 682         g_object_unref(G_OBJECT(clist));
 683
 684         clist = gtk_cmctree_new(1, 0);
 685         g_object_ref(G_OBJECT(clist));
 686 #if GLIB_CHECK_VERSION(2,10,0)
 687         g_object_ref_sink (G_OBJECT(clist));
 688 #else
 689         gtk_object_ref (G_OBJECT(clist));
 690         gtk_object_sink (G_OBJECT(clist));
 691 #endif
 692         gtkut_clist_bindings_add(clist);
 693         g_object_unref(G_OBJECT(clist));
 694
 695         clist = gtk_sctree_new_with_titles(1, 0, NULL);
 696         g_object_ref(G_OBJECT(clist));
 697 #if GLIB_CHECK_VERSION(2,10,0)
 698         g_object_ref_sink (G_OBJECT(clist));
 699 #else
 700         gtk_object_ref (G_OBJECT(clist));
 701         gtk_object_sink (G_OBJECT(clist));
 702 #endif
 703         gtkut_clist_bindings_add(clist);
 704         g_object_unref(G_OBJECT(clist));
 705 }
 706
 707 void gtkut_widget_set_app_icon(GtkWidget *widget)
 708 {
 709         static GdkPixbuf *icon = NULL;
 710
 711         cm_return_if_fail(widget != NULL);
 712         cm_return_if_fail(widget->window != NULL);
 713         if (!icon) {
 714                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_CLAWS_MAIL_ICON, &icon);
 715         }
 716         if (icon)
 717                 gtk_window_set_icon(GTK_WINDOW(widget), icon);
 718 }
 719
 720 void gtkut_widget_set_composer_icon(GtkWidget *widget)
 721 {
 722         static GdkPixbuf *icon = NULL;
 723
 724         cm_return_if_fail(widget != NULL);
 725         cm_return_if_fail(widget->window != NULL);
 726         if (!icon) {
 727                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_MAIL_COMPOSE, &icon);
 728         }
 729         if (icon)
 730                 gtk_window_set_icon(GTK_WINDOW(widget), icon);
 731 }
 732
 733 static gboolean move_bar = FALSE;
 734 static gint move_bar_id = -1;
 735
 736 static gboolean move_bar_cb(gpointer data)
 737 {
 738         GtkWidget *w = (GtkWidget *)data;
 739         if (!move_bar)
 740                 return FALSE;
 741
 742         if (!GTK_IS_PROGRESS_BAR(w)) {
 743                 return FALSE;
 744         }
 745
 746         gtk_progress_bar_pulse(GTK_PROGRESS_BAR(w));
 747         GTK_EVENTS_FLUSH();
 748         return TRUE;
 749 }
 750
 751 GtkWidget *label_window_create(const gchar *str)
 752 {
 753         GtkWidget *window;
 754         GtkWidget *label, *vbox, *hbox;
 755         GtkWidget *wait_progress = gtk_progress_bar_new();
 756
 757         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "gtkutils");
 758         gtk_widget_set_size_request(window, 380, 70);
 759         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 760         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 761         gtk_window_set_title(GTK_WINDOW(window), str);
 762         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 763         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 764         manage_window_set_transient(GTK_WINDOW(window));
 765
 766         label = gtk_label_new(str);
 767
 768         vbox = gtk_vbox_new(FALSE, 6);
 769         hbox = gtk_hbox_new(FALSE, 6);
 770         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, FALSE, 0);
 771         gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, FALSE, 0);
 772         hbox = gtk_hbox_new(FALSE, 6);
 773         gtk_box_pack_start(GTK_BOX(hbox), wait_progress, TRUE, FALSE, 0);
 774         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 775
 776         gtk_container_add(GTK_CONTAINER(window), vbox);
 777         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 778         gtk_misc_set_alignment(GTK_MISC(label), 0.5, 0.5);
 779         gtk_widget_show_all(vbox);
 780
 781         gtk_widget_show_now(window);
 782
 783         if (move_bar_id == -1) {
 784                 move_bar_id = g_timeout_add(200, move_bar_cb, wait_progress);
 785                 move_bar = TRUE;
 786         }
 787
 788         GTK_EVENTS_FLUSH();
 789
 790         return window;
 791 }
 792
 793 void label_window_destroy(GtkWidget *window)
 794 {
 795         move_bar = FALSE;
 796         g_source_remove(move_bar_id);
 797         move_bar_id = -1;
 798         GTK_EVENTS_FLUSH();
 799         gtk_widget_destroy(window);
 800 }
 801
 802 GtkWidget *gtkut_account_menu_new(GList                 *ac_list,
 803                                         GCallback               callback,
 804                                   gpointer              data)
 805 {
 806         GList *cur_ac;
 807         GtkWidget *optmenu;
 808         GtkListStore *menu;
 809         GtkTreeIter iter;
 810         PrefsAccount *account;
 811         gchar *name;
 812
 813         cm_return_val_if_fail(ac_list != NULL, NULL);
 814
 815         optmenu = gtkut_sc_combobox_create(NULL, FALSE);
 816         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(optmenu)));
 817
 818         for (cur_ac = ac_list; cur_ac != NULL; cur_ac = cur_ac->next) {
 819                 account = (PrefsAccount *) cur_ac->data;
 820                 if (account->name)
 821                         name = g_strdup_printf("%s: %s <%s>",
 822                                                account->account_name,
 823                                                account->name,
 824                                                account->address);
 825                 else
 826                         name = g_strdup_printf("%s: %s",
 827                                                account->account_name,
 828                                                account->address);
 829                 COMBOBOX_ADD_ESCAPED(menu, name, account->account_id);
 830                 g_free(name);
 831         }
 832         gtk_combo_box_set_active(GTK_COMBO_BOX(optmenu), 0);
 833
 834         if( callback != NULL )
 835                 g_signal_connect(G_OBJECT(optmenu), "changed", callback, data);
 836
 837         return optmenu;
 838 }
 839
 840 void gtkut_set_widget_bgcolor_rgb(GtkWidget *widget, guint rgbvalue)
 841 {
 842         GtkStyle *newstyle;
 843         GdkColor gdk_color;
 844
 845         gtkut_convert_int_to_gdk_color(rgbvalue, &gdk_color);
 846         newstyle = gtk_style_copy(gtk_widget_get_default_style());
 847         newstyle->bg[GTK_STATE_NORMAL]   = gdk_color;
 848         newstyle->bg[GTK_STATE_PRELIGHT] = gdk_color;
 849         newstyle->bg[GTK_STATE_ACTIVE]   = gdk_color;
 850         gtk_widget_set_style(widget, newstyle);
 851 }
 852
 853 /*!
 854  *\brief        Tries to find a focused child using a lame strategy
 855  */
 856 GtkWidget *gtkut_get_focused_child(GtkContainer *parent)
 857 {
 858         GtkWidget *result = NULL;
 859         GList *child_list = NULL;
 860         GList *c;
 861
 862         cm_return_val_if_fail(parent, NULL);
 863
 864         /* Get children list and see which has the focus. */
 865         child_list = gtk_container_get_children(parent);
 866         if (!child_list)
 867                 return NULL;
 868
 869         for (c = child_list; c != NULL; c = g_list_next(c)) {
 870                 if (c->data && GTK_IS_WIDGET(c->data)) {
 871                         if (gtkut_widget_has_focus(GTK_WIDGET(c->data))) {
 872                                 result = GTK_WIDGET(c->data);
 873                                 break;
 874                         }
 875                 }
 876         }
 877
 878         /* See if the returned widget is a container itself; if it is,
 879          * see if one of its children is focused. If the focused
 880          * container has no focused child, it is itself a focusable
 881          * child, and has focus. */
 882         if (result && GTK_IS_CONTAINER(result)) {
 883                 GtkWidget *tmp =  gtkut_get_focused_child(GTK_CONTAINER(result));
 884
 885                 if (tmp)
 886                         result = tmp;
 887         } else {
 888                 /* Try the same for each container in the chain */
 889                 for (c = child_list; c != NULL && !result; c = g_list_next(c)) {
 890                         if (c->data && GTK_IS_WIDGET(c->data)
 891                         &&  GTK_IS_CONTAINER(c->data)) {
 892                                 result = gtkut_get_focused_child
 893                                         (GTK_CONTAINER(c->data));
 894                         }
 895                 }
 896
 897         }
 898
 899         g_list_free(child_list);
 900
 901         return result;
 902 }
 903
 904 /*!
 905  *\brief        Create a Browse (file) button based on GTK+ stock
 906  */
 907 GtkWidget *gtkut_get_browse_file_btn(const gchar *button_label)
 908 {
 909         GtkWidget *button;
 910
 911         button = gtk_button_new_with_mnemonic(button_label);
 912         gtk_button_set_image(GTK_BUTTON(button),
 913                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
 914
 915         return button;
 916 }
 917
 918 /*!
 919  *\brief        Create a Browse (directory) button based on GTK+ stock
 920  */
 921 GtkWidget *gtkut_get_browse_directory_btn(const gchar *button_label)
 922 {
 923         GtkWidget *button;
 924
 925         button = gtk_button_new_with_mnemonic(button_label);
 926         gtk_button_set_image(GTK_BUTTON(button),
 927                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
 928
 929         return button;
 930 }
 931
 932 GtkWidget *gtkut_get_replace_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_REFRESH, GTK_ICON_SIZE_BUTTON));
 939
 940         return button;
 941 }
 942
 943 /**
 944  * merge some part of code into one function : it creates a frame and add
 945  *      these into gtk box widget passed in param.
 946  * \param box gtk box where adding new created frame.
 947  * \param pframe pointer with which to assign the frame. If NULL, no pointer
 948  *      is assigned but the frame is anyway created and added to @box.
 949  * \param frame_label frame label of new created frame.
 950  */
 951 GtkWidget *gtkut_get_options_frame(GtkWidget *box, GtkWidget **pframe,
 952                 const gchar *frame_label)
 953 {
 954         GtkWidget *vbox;
 955         GtkWidget *frame;
 956
 957         frame = gtk_frame_new(frame_label);
 958         gtk_widget_show(frame);
 959         gtk_box_pack_start(GTK_BOX(box), frame, FALSE, TRUE, 0);
 960         gtk_frame_set_label_align(GTK_FRAME(frame), 0.01, 0.5);
 961
 962         vbox = gtk_vbox_new (FALSE, 4);
 963         gtk_widget_show(vbox);
 964         gtk_container_add(GTK_CONTAINER (frame), vbox);
 965         gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
 966
 967         if (pframe != NULL)
 968                 *pframe = frame;
 969
 970         return vbox;
 971 }
 972
 973 #if HAVE_LIBCOMPFACE
 974 static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
 975 {
 976         static gchar *bit_pattern[] = {
 977                 "....",
 978                 "...#",
 979                 "..#.",
 980                 "..##",
 981                 ".#..",
 982                 ".#.#",
 983                 ".##.",
 984                 ".###",
 985                 "#...",
 986                 "#..#",
 987                 "#.#.",
 988                 "#.##",
 989                 "##..",
 990                 "##.#",
 991                 "###.",
 992                 "####"
 993         };
 994
 995         static gchar *xface_header = "48 48 2 1";
 996         static gchar *xface_black  = "# c #000000";
 997         static gchar *xface_white  = ". c #ffffff";
 998
 999         gint i, line = 0;
1000         const guchar *p;
1001         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
1002
1003         p = xface;
1004
1005         strcpy(xpm[line++], xface_header);
1006         strcpy(xpm[line++], xface_black);
1007         strcpy(xpm[line++], xface_white);
1008
1009         for (i = 0; i < HEIGHT; i++) {
1010                 gint col;
1011
1012                 buf[0] = '\0';
1013
1014                 for (col = 0; col < 3; col++) {
1015                         gint figure;
1016
1017                         p += 2;  /* skip '0x' */
1018
1019                         for (figure = 0; figure < 4; figure++) {
1020                                 gint n = 0;
1021
1022                                 if ('0' <= *p && *p <= '9') {
1023                                         n = *p - '0';
1024                                 } else if ('a' <= *p && *p <= 'f') {
1025                                         n = *p - 'a' + 10;
1026                                 } else if ('A' <= *p && *p <= 'F') {
1027                                         n = *p - 'A' + 10;
1028                                 }
1029
1030                                 strcat(buf, bit_pattern[n]);
1031                                 p++;  /* skip ',' */
1032                         }
1033
1034                         p++;  /* skip '\n' */
1035                 }
1036
1037                 strcpy(xpm[line++], buf);
1038                 p++;
1039         }
1040
1041         return 0;
1042 }
1043 #endif
1044
1045 gboolean get_tag_range(GtkTextIter *iter,
1046                                        GtkTextTag *tag,
1047                                        GtkTextIter *start_iter,
1048                                        GtkTextIter *end_iter)
1049 {
1050         GtkTextIter _start_iter, _end_iter;
1051
1052         _end_iter = *iter;
1053         if (!gtk_text_iter_forward_to_tag_toggle(&_end_iter, tag)) {
1054                 debug_print("Can't find end");
1055                 return FALSE;
1056         }
1057
1058         _start_iter = _end_iter;
1059         if (!gtk_text_iter_backward_to_tag_toggle(&_start_iter, tag)) {
1060                 debug_print("Can't find start.");
1061                 return FALSE;
1062         }
1063
1064         *start_iter = _start_iter;
1065         *end_iter = _end_iter;
1066
1067         return TRUE;
1068 }
1069
1070 #if HAVE_LIBCOMPFACE
1071 GtkWidget *xface_get_from_header(const gchar *o_xface, GdkColor *background,
1072                                  GdkWindow *window)
1073 {
1074         static gchar *xpm_xface[XPM_XFACE_HEIGHT];
1075         static gboolean xpm_xface_init = TRUE;
1076         GdkBitmap *mask;
1077         gchar xface[2048];
1078         strncpy(xface, o_xface, sizeof(xface));
1079
1080         if (!window) {
1081                 g_warning("no window\n");
1082                 return NULL;
1083         }
1084         if (uncompface(xface) < 0) {
1085                 g_warning("uncompface failed\n");
1086                 return NULL;
1087         }
1088
1089         if (xpm_xface_init) {
1090                 gint i;
1091
1092                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
1093                         xpm_xface[i] = g_malloc(WIDTH + 1);
1094                         *xpm_xface[i] = '\0';
1095                 }
1096                 xpm_xface_init = FALSE;
1097         }
1098
1099         create_xpm_from_xface(xpm_xface, xface);
1100
1101         return gtk_image_new_from_pixbuf(
1102                 gdk_pixbuf_new_from_xpm_data((const char **)xpm_xface));
1103 }
1104 #endif
1105
1106 GtkWidget *face_get_from_header(const gchar *o_face)
1107 {
1108         gchar face[2048];
1109         gchar face_png[2048];
1110         gint pngsize;
1111         GdkPixbuf *pixbuf;
1112         GError *error = NULL;
1113         GdkPixbufLoader *loader = gdk_pixbuf_loader_new ();
1114         GtkWidget *image;
1115
1116         if (o_face == NULL || strlen(o_face) == 0)
1117                 return NULL;
1118
1119         strncpy2(face, o_face, sizeof(face));
1120
1121         unfold_line(face); /* strip all whitespace and linebreaks */
1122         remove_space(face);
1123
1124         pngsize = base64_decode(face_png, face, strlen(face));
1125
1126         if (!gdk_pixbuf_loader_write (loader, face_png, pngsize, &error) ||
1127             !gdk_pixbuf_loader_close (loader, &error)) {
1128                 g_warning("loading face failed\n");
1129                 g_object_unref(loader);
1130                 return NULL;
1131         }
1132
1133         pixbuf = g_object_ref(gdk_pixbuf_loader_get_pixbuf(loader));
1134
1135         g_object_unref(loader);
1136
1137         if ((gdk_pixbuf_get_width(pixbuf) != 48) || (gdk_pixbuf_get_height(pixbuf) != 48)) {
1138                 g_object_unref(pixbuf);
1139                 g_warning("wrong_size");
1140                 return NULL;
1141         }
1142
1143         image = gtk_image_new_from_pixbuf(pixbuf);
1144         g_object_unref(pixbuf);
1145         return image;
1146 }
1147
1148 static GdkCursor *hand_cursor = NULL;
1149
1150 static void link_btn_enter(GtkButton *button, gpointer data)
1151 {
1152         GtkWidget *window = (GtkWidget *)data;
1153
1154         if (!hand_cursor)
1155                 hand_cursor = gdk_cursor_new(GDK_HAND2);
1156         if (window && window->window)
1157                 gdk_window_set_cursor(window->window, hand_cursor);
1158
1159         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1160         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1161
1162 }
1163
1164 static void link_btn_leave(GtkButton *button, gpointer data)
1165 {
1166         GtkWidget *window = (GtkWidget *)data;
1167
1168         if (window && window->window)
1169                 gdk_window_set_cursor(window->window, NULL);
1170
1171         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1172         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1173 }
1174
1175 static void link_btn_pressed(GtkButton *button, gpointer data)
1176 {
1177         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1178         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1179 }
1180
1181 static void link_btn_released(GtkButton *button, gpointer data)
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_clicked(GtkButton *button, gpointer data)
1188 {
1189         gchar *url = (gchar *)data;
1190         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1191         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1192         open_uri(url, prefs_common_get_uri_cmd());
1193 }
1194
1195 static void link_btn_unrealize(GtkButton *button, gpointer data)
1196 {
1197         gchar *url = (gchar *)data;
1198         g_signal_handlers_disconnect_by_func(G_OBJECT(button),
1199                          G_CALLBACK(link_btn_clicked), url);
1200         g_free(url);
1201 }
1202
1203 GtkWidget *gtkut_get_link_btn(GtkWidget *window, const gchar *url, const gchar *label)
1204 {
1205         GtkWidget *btn;
1206         GtkWidget *btn_label;
1207         GdkColormap *cmap;
1208         GdkColor uri_color[2] = {{0, 0, 0, 0xffff}, {0, 0xffff, 0, 0}};
1209         gboolean success[2];
1210         gchar *local_url = NULL;
1211         if (!url)
1212                 return NULL;
1213
1214         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1215                                                &uri_color[0]);
1216         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1217                                                &uri_color[1]);
1218
1219         btn = gtk_button_new_with_label(label?label:url);
1220         gtk_button_set_relief(GTK_BUTTON(btn), GTK_RELIEF_NONE);
1221         btn_label = gtk_bin_get_child(GTK_BIN((btn)));
1222         cmap = gdk_drawable_get_colormap(window->window);
1223         gdk_colormap_alloc_colors(cmap, uri_color, 2, FALSE, TRUE, success);
1224         if (success[0] == TRUE && success[1] == TRUE) {
1225                 GtkStyle *style;
1226                 gtk_widget_ensure_style(btn_label);
1227                 style = gtk_style_copy
1228                         (gtk_widget_get_style(btn_label));
1229                 style->fg[GTK_STATE_NORMAL]   = uri_color[0];
1230                 style->fg[GTK_STATE_ACTIVE]   = uri_color[1];
1231                 style->fg[GTK_STATE_PRELIGHT] = uri_color[0];
1232                 gtk_widget_set_style(btn_label, style);
1233         } else
1234                 g_warning("about_create(): color allocation failed.\n");
1235
1236         g_signal_connect(G_OBJECT(btn), "enter",
1237                          G_CALLBACK(link_btn_enter), window);
1238         g_signal_connect(G_OBJECT(btn), "leave",
1239                          G_CALLBACK(link_btn_leave), window);
1240         g_signal_connect(G_OBJECT(btn), "pressed",
1241                          G_CALLBACK(link_btn_pressed), window);
1242         g_signal_connect(G_OBJECT(btn), "released",
1243                          G_CALLBACK(link_btn_released), window);
1244
1245         local_url = g_strdup(url);
1246         g_signal_connect(G_OBJECT(btn), "clicked",
1247                          G_CALLBACK(link_btn_clicked), local_url);
1248         g_signal_connect(G_OBJECT(btn), "unrealize",
1249                          G_CALLBACK(link_btn_unrealize), local_url);
1250         return btn;
1251 }
1252
1253 static gboolean _combobox_separator_func(GtkTreeModel *model,
1254                 GtkTreeIter *iter, gpointer data)
1255 {
1256         gchar *txt = NULL;
1257
1258         cm_return_val_if_fail(model != NULL, FALSE);
1259
1260         gtk_tree_model_get(model, iter, COMBOBOX_TEXT, &txt, -1);
1261
1262         if( txt == NULL )
1263                 return TRUE;
1264         return FALSE;
1265 }
1266
1267 GtkWidget *gtkut_sc_combobox_create(GtkWidget *eventbox, gboolean focus_on_click)
1268 {
1269         GtkWidget *combobox;
1270         GtkListStore *menu;
1271         GtkCellRenderer *rend;
1272
1273         menu = gtk_list_store_new(3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_BOOLEAN);
1274
1275         combobox = gtk_combo_box_new_with_model(GTK_TREE_MODEL(menu));
1276
1277         rend = gtk_cell_renderer_text_new();
1278         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combobox), rend, TRUE);
1279         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combobox), rend,
1280                         "markup", COMBOBOX_TEXT,
1281                         "sensitive", COMBOBOX_SENS,
1282                         NULL);
1283
1284         if( eventbox != NULL )
1285                 gtk_container_add(GTK_CONTAINER(eventbox), combobox);
1286         gtk_combo_box_set_focus_on_click(GTK_COMBO_BOX(combobox), focus_on_click);
1287
1288         gtk_combo_box_set_row_separator_func(GTK_COMBO_BOX(combobox),
1289                         (GtkTreeViewRowSeparatorFunc)_combobox_separator_func, NULL, NULL);
1290
1291         return combobox;
1292 }
1293
1294 static void gtkutils_smooth_scroll_do(GtkWidget *widget, GtkAdjustment *vadj,
1295                                       gfloat old_value, gfloat last_value,
1296                                       gint step)
1297 {
1298         gint change_value;
1299         gboolean up;
1300         gint i;
1301
1302         if (old_value < last_value) {
1303                 change_value = last_value - old_value;
1304                 up = FALSE;
1305         } else {
1306                 change_value = old_value - last_value;
1307                 up = TRUE;
1308         }
1309
1310         for (i = step; i <= change_value; i += step) {
1311                 vadj->value = old_value + (up ? -i : i);
1312                 g_signal_emit_by_name(G_OBJECT(vadj),
1313                                       "value_changed", 0);
1314         }
1315
1316         vadj->value = last_value;
1317         g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0);
1318
1319         gtk_widget_queue_draw(widget);
1320 }
1321
1322 static gboolean gtkutils_smooth_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1323 {
1324         gfloat upper;
1325         gfloat page_incr;
1326         gfloat old_value;
1327         gfloat last_value;
1328
1329         if (prefs_common.scroll_halfpage)
1330                 page_incr = vadj->page_increment / 2;
1331         else
1332                 page_incr = vadj->page_increment;
1333
1334         if (!up) {
1335                 upper = vadj->upper - vadj->page_size;
1336                 if (vadj->value < upper) {
1337                         old_value = vadj->value;
1338                         last_value = vadj->value + page_incr;
1339                         last_value = MIN(last_value, upper);
1340
1341                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1342                                                   last_value,
1343                                                   prefs_common.scroll_step);
1344                 } else
1345                         return FALSE;
1346         } else {
1347                 if (vadj->value > 0.0) {
1348                         old_value = vadj->value;
1349                         last_value = vadj->value - page_incr;
1350                         last_value = MAX(last_value, 0.0);
1351
1352                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1353                                                   last_value,
1354                                                   prefs_common.scroll_step);
1355                 } else
1356                         return FALSE;
1357         }
1358
1359         return TRUE;
1360 }
1361
1362 gboolean gtkutils_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1363 {
1364         gfloat upper;
1365         gfloat page_incr;
1366
1367         if (prefs_common.enable_smooth_scroll)
1368                 return gtkutils_smooth_scroll_page(widget, vadj, up);
1369
1370         if (prefs_common.scroll_halfpage)
1371                 page_incr = vadj->page_increment / 2;
1372         else
1373                 page_incr = vadj->page_increment;
1374
1375         if (!up) {
1376                 upper = vadj->upper - vadj->page_size;
1377                 if (vadj->value < upper) {
1378                         vadj->value += page_incr;
1379                         vadj->value = MIN(vadj->value, upper);
1380                         g_signal_emit_by_name(G_OBJECT(vadj),
1381                                               "value_changed", 0);
1382                 } else
1383                         return FALSE;
1384         } else {
1385                 if (vadj->value > 0.0) {
1386                         vadj->value -= page_incr;
1387                         vadj->value = MAX(vadj->value, 0.0);
1388                         g_signal_emit_by_name(G_OBJECT(vadj),
1389                                               "value_changed", 0);
1390                 } else
1391                         return FALSE;
1392         }
1393         return TRUE;
1394 }
1395
1396 static void gtkutils_smooth_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1397 {
1398         gfloat upper;
1399         gfloat old_value;
1400         gfloat last_value;
1401
1402         if (!up) {
1403                 upper = vadj->upper - vadj->page_size;
1404                 if (vadj->value < upper) {
1405                         old_value = vadj->value;
1406                         last_value = vadj->value + vadj->step_increment;
1407                         last_value = MIN(last_value, upper);
1408
1409                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1410                                                   last_value,
1411                                                   prefs_common.scroll_step);
1412                 }
1413         } else {
1414                 if (vadj->value > 0.0) {
1415                         old_value = vadj->value;
1416                         last_value = vadj->value - vadj->step_increment;
1417                         last_value = MAX(last_value, 0.0);
1418
1419                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1420                                                   last_value,
1421                                                   prefs_common.scroll_step);
1422                 }
1423         }
1424 }
1425
1426 void gtkutils_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1427 {
1428         gfloat upper;
1429
1430         if (prefs_common.enable_smooth_scroll) {
1431                 gtkutils_smooth_scroll_one_line(widget, vadj, up);
1432                 return;
1433         }
1434
1435         if (!up) {
1436                 upper = vadj->upper - vadj->page_size;
1437                 if (vadj->value < upper) {
1438                         vadj->value += vadj->step_increment;
1439                         vadj->value = MIN(vadj->value, upper);
1440                         g_signal_emit_by_name(G_OBJECT(vadj),
1441                                               "value_changed", 0);
1442                 }
1443         } else {
1444                 if (vadj->value > 0.0) {
1445                         vadj->value -= vadj->step_increment;
1446                         vadj->value = MAX(vadj->value, 0.0);
1447                         g_signal_emit_by_name(G_OBJECT(vadj),
1448                                               "value_changed", 0);
1449                 }
1450         }
1451 }
1452
1453 gboolean gtkut_tree_model_text_iter_prev(GtkTreeModel *model,
1454                                  GtkTreeIter *iter,
1455                                  const gchar* text)
1456 /* do the same as gtk_tree_model_iter_next, but _prev instead.
1457    to use with widgets with one text column (gtk_combo_box_new_text()
1458    and with GtkComboBoxEntry's for instance),
1459 */
1460 {
1461         GtkTreeIter cur_iter;
1462         gchar *cur_value;
1463         gboolean valid;
1464         gint count;
1465
1466         cm_return_val_if_fail(model != NULL, FALSE);
1467         cm_return_val_if_fail(iter != NULL, FALSE);
1468
1469         if (text == NULL || *text == '\0')
1470                 return FALSE;
1471
1472         valid = gtk_tree_model_get_iter_first(model, &cur_iter);
1473         count = 0;
1474         while (valid) {
1475                 gtk_tree_model_get(model, &cur_iter, 0, &cur_value, -1);
1476
1477                 if (strcmp(text, cur_value) == 0) {
1478                         if (count <= 0)
1479                                 return FALSE;
1480
1481                         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1482                 }
1483
1484                 valid = gtk_tree_model_iter_next(model, &cur_iter);
1485                 count++;
1486         }
1487         return FALSE;
1488 }
1489
1490 gboolean gtkut_tree_model_get_iter_last(GtkTreeModel *model,
1491                                  GtkTreeIter *iter)
1492 /* do the same as gtk_tree_model_get_iter_first, but _last instead.
1493 */
1494 {
1495         gint count;
1496
1497         cm_return_val_if_fail(model != NULL, FALSE);
1498         cm_return_val_if_fail(iter != NULL, FALSE);
1499
1500         count = gtk_tree_model_iter_n_children(model, NULL);
1501
1502         if (count <= 0)
1503                 return FALSE;
1504
1505         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1506 }
1507
1508 GtkWidget *gtkut_window_new             (GtkWindowType   type,
1509                                          const gchar    *class)
1510 {
1511 #ifndef MAEMO
1512         GtkWidget *window = gtk_window_new(type);
1513 #else
1514         GtkWidget *window = hildon_window_new();
1515         hildon_program_add_window(hildon_program, HILDON_WINDOW(window));
1516 #endif
1517         gtk_window_set_role(GTK_WINDOW(window), class);
1518         return window;
1519 }
1520
1521 static gboolean gtkut_tree_iter_comp(GtkTreeModel *model,
1522                                      GtkTreeIter *iter1,
1523                                      GtkTreeIter *iter2)
1524 {
1525         GtkTreePath *path1 = gtk_tree_model_get_path(model, iter1);
1526         GtkTreePath *path2 = gtk_tree_model_get_path(model, iter2);
1527         gboolean result;
1528
1529         result = gtk_tree_path_compare(path1, path2) == 0;
1530
1531         gtk_tree_path_free(path1);
1532         gtk_tree_path_free(path2);
1533
1534         return result;
1535 }
1536
1537 /*!
1538  *\brief        Get selected row number.
1539  */
1540 gint gtkut_list_view_get_selected_row(GtkWidget *list_view)
1541 {
1542         GtkTreeView *view = GTK_TREE_VIEW(list_view);
1543         GtkTreeModel *model = gtk_tree_view_get_model(view);
1544         int n_rows = gtk_tree_model_iter_n_children(model, NULL);
1545         GtkTreeSelection *selection;
1546         GtkTreeIter iter;
1547         int row;
1548
1549         if (n_rows == 0)
1550                 return -1;
1551
1552         selection = gtk_tree_view_get_selection(view);
1553         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1554                 return -1;
1555
1556         /* get all iterators and compare them... */
1557         for (row = 0; row < n_rows; row++) {
1558                 GtkTreeIter itern;
1559
1560                 gtk_tree_model_iter_nth_child(model, &itern, NULL, row);
1561                 if (gtkut_tree_iter_comp(model, &iter, &itern))
1562                         return row;
1563         }
1564
1565         return -1;
1566 }
1567
1568 /*!
1569  *\brief        Select a row by its number.
1570  */
1571 gboolean gtkut_list_view_select_row(GtkWidget *list, gint row)
1572 {
1573         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1574         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
1575         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1576         GtkTreeIter iter;
1577         GtkTreePath *path;
1578
1579         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1580                 return FALSE;
1581
1582         gtk_tree_selection_select_iter(selection, &iter);
1583
1584         path = gtk_tree_model_get_path(model, &iter);
1585         gtk_tree_view_set_cursor(list_view, path, NULL, FALSE);
1586         gtk_tree_path_free(path);
1587
1588         return TRUE;
1589 }
1590
1591 static GtkUIManager *gui_manager = NULL;
1592
1593 GtkUIManager *gtkut_create_ui_manager(void)
1594 {
1595         cm_return_val_if_fail(gui_manager == NULL, gui_manager);
1596         return (gui_manager = gtk_ui_manager_new());
1597 }
1598
1599 GtkUIManager *gtkut_ui_manager(void)
1600 {
1601         return gui_manager;
1602 }
1603
1604 #define READ_CONDITION (G_IO_IN | G_IO_HUP | G_IO_ERR)
1605 #define WRITE_CONDITION (G_IO_OUT | G_IO_ERR)
1606 #define EXCEPTION_CONDITION (G_IO_PRI)
1607 typedef struct _ClawsIOClosure ClawsIOClosure;
1608
1609 struct _ClawsIOClosure
1610 {
1611   GdkInputFunction function;
1612   GdkInputCondition condition;
1613   GDestroyNotify notify;
1614   gpointer data;
1615 };
1616
1617 static gboolean
1618 claws_io_invoke (GIOChannel   *source,
1619                GIOCondition  condition,
1620                gpointer      data)
1621 {
1622   ClawsIOClosure *closure = data;
1623   GdkInputCondition gdk_cond = 0;
1624
1625   if (condition & READ_CONDITION)
1626     gdk_cond |= GDK_INPUT_READ;
1627   if (condition & WRITE_CONDITION)
1628     gdk_cond |= GDK_INPUT_WRITE;
1629   if (condition & EXCEPTION_CONDITION)
1630     gdk_cond |= GDK_INPUT_EXCEPTION;
1631
1632   if (closure->condition & gdk_cond)
1633     closure->function (closure->data, g_io_channel_unix_get_fd (source), gdk_cond);
1634
1635   return TRUE;
1636 }
1637
1638 static void
1639 claws_io_destroy (gpointer data)
1640 {
1641   ClawsIOClosure *closure = data;
1642
1643   if (closure->notify)
1644     closure->notify (closure->data);
1645
1646   g_free (closure);
1647 }
1648
1649 gint
1650 claws_input_add    (gint              source,
1651                     GdkInputCondition condition,
1652                     GdkInputFunction  function,
1653                     gpointer          data,
1654                     gboolean          is_sock)
1655 {
1656   guint result;
1657   ClawsIOClosure *closure = g_new (ClawsIOClosure, 1);
1658   GIOChannel *channel;
1659   GIOCondition cond = 0;
1660
1661   closure->function = function;
1662   closure->condition = condition;
1663   closure->notify = NULL;
1664   closure->data = data;
1665
1666   if (condition & GDK_INPUT_READ)
1667     cond |= READ_CONDITION;
1668   if (condition & GDK_INPUT_WRITE)
1669     cond |= WRITE_CONDITION;
1670   if (condition & GDK_INPUT_EXCEPTION)
1671     cond |= EXCEPTION_CONDITION;
1672
1673 #ifndef G_OS_WIN32
1674   channel = g_io_channel_unix_new (source);
1675 #else
1676   if (is_sock)
1677     channel = g_io_channel_win32_new_socket(source);
1678   else
1679     channel = g_io_channel_win32_new_fd(source);
1680 #endif
1681   result = g_io_add_watch_full (channel, G_PRIORITY_DEFAULT, cond,
1682                                 claws_io_invoke,
1683                                 closure, claws_io_destroy);
1684   g_io_channel_unref (channel);
1685
1686   return result;
1687 }
1688
1689 gboolean gtkut_widget_has_focus(GtkWidget *widget)
1690 {
1691 #if GTK_CHECK_VERSION(2,18,0)
1692         return gtk_widget_has_focus(widget);
1693 #else
1694         return GTK_WIDGET_HAS_FOCUS(widget);
1695 #endif
1696 }
1697
1698 gboolean gtkut_widget_get_can_focus(GtkWidget *widget)
1699 {
1700 #if GTK_CHECK_VERSION(2,18,0)
1701         return gtk_widget_get_can_focus(widget);
1702 #else
1703         return GTK_WIDGET_CAN_FOCUS(widget);
1704 #endif
1705 }
1706
1707 gboolean gtkut_widget_has_grab(GtkWidget *widget)
1708 {
1709 #if GTK_CHECK_VERSION(2,18,0)
1710         return gtk_widget_has_grab(widget);
1711 #else
1712         return GTK_WIDGET_HAS_GRAB(widget);
1713 #endif
1714 }
1715
1716 gboolean gtkut_widget_get_visible(GtkWidget *widget)
1717 {
1718 #if GTK_CHECK_VERSION(2,18,0)
1719         return gtk_widget_get_visible(widget);
1720 #else
1721         return GTK_WIDGET_VISIBLE(widget);
1722 #endif
1723 }
1724
1725 gboolean gtkut_widget_get_realized(GtkWidget *widget)
1726 {
1727 #if GTK_CHECK_VERSION(2,19,0)
1728         return gtk_widget_get_realized(widget);
1729 #else
1730         return GTK_WIDGET_REALIZED(widget);
1731 #endif
1732 }
1733
1734 gboolean gtkut_widget_is_sensitive(GtkWidget *widget)
1735 {
1736 #if GTK_CHECK_VERSION(2,18,0)
1737         return gtk_widget_is_sensitive(widget);
1738 #else
1739         return GTK_WIDGET_IS_SENSITIVE(widget);
1740 #endif
1741 }
1742
1743 gboolean gtkut_widget_get_sensitive(GtkWidget *widget)
1744 {
1745 #if GTK_CHECK_VERSION(2,18,0)
1746         return gtk_widget_get_sensitive(widget);
1747 #else
1748         return GTK_WIDGET_SENSITIVE(widget);
1749 #endif
1750 }
1751
1752 gboolean gtkut_widget_is_drawable(GtkWidget *widget)
1753 {
1754 #if GTK_CHECK_VERSION(2,18,0)
1755         return gtk_widget_is_drawable(widget);
1756 #else
1757         return GTK_WIDGET_DRAWABLE(widget);
1758 #endif
1759 }
1760
1761 GtkStateType gtkut_widget_get_state(GtkWidget *widget)
1762 {
1763 #if GTK_CHECK_VERSION(2,18,0)
1764         return gtk_widget_get_state(widget);
1765 #else
1766         return GTK_WIDGET_STATE(widget);
1767 #endif
1768 }
1769
1770 gboolean gtkut_widget_get_mapped(GtkWidget *widget)
1771 {
1772 #if GTK_CHECK_VERSION(2,19,0)
1773         return gtk_widget_get_mapped(widget);
1774 #else
1775         return GTK_WIDGET_MAPPED(widget);
1776 #endif
1777 }
1778
1779 gboolean gtkut_widget_get_has_window(GtkWidget *widget)
1780 {
1781 #if GTK_CHECK_VERSION(2,18,0)
1782         return gtk_widget_get_has_window(widget);
1783 #else
1784         return GTK_WIDGET_NO_WINDOW(widget);
1785 #endif
1786 }
1787
1788 gboolean gtkut_widget_get_app_paintable(GtkWidget *widget)
1789 {
1790 #if GTK_CHECK_VERSION(2,18,0)
1791         return gtk_widget_get_app_paintable(widget);
1792 #else
1793         return GTK_WIDGET_APP_PAINTABLE(widget);
1794 #endif
1795 }
1796
1797 void gtkut_widget_set_mapped(GtkWidget *widget, gboolean mapped)
1798 {
1799 #if GTK_CHECK_VERSION(2,20,0)
1800         gtk_widget_set_mapped(widget, mapped);
1801 #else
1802         if (mapped)
1803                 GTK_WIDGET_SET_FLAGS(widget, GTK_MAPPED);
1804         else
1805                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_MAPPED);
1806 #endif
1807 }
1808
1809 void gtkut_widget_set_realized(GtkWidget *widget, gboolean realized)
1810 {
1811 #if GTK_CHECK_VERSION(2,20,0)
1812         gtk_widget_set_realized(widget, realized);
1813 #else
1814         if (realized)
1815                 GTK_WIDGET_SET_FLAGS(widget, GTK_REALIZED);
1816         else
1817                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_REALIZED);
1818 #endif
1819 }
1820
1821 void gtkut_widget_set_can_default(GtkWidget *widget, gboolean can_default)
1822 {
1823 #if GTK_CHECK_VERSION(2,20,0)
1824         gtk_widget_set_can_default(widget, can_default);
1825 #else
1826         if (can_default)
1827                 GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_DEFAULT);
1828         else
1829                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_DEFAULT);
1830 #endif
1831 }
1832
1833 void gtkut_widget_set_receives_default(GtkWidget *widget, gboolean receives_default)
1834 {
1835 #if GTK_CHECK_VERSION(2,20,0)
1836         gtk_widget_set_receives_default(widget, receives_default);
1837 #else
1838         if (receives_default)
1839                 GTK_WIDGET_SET_FLAGS(widget, GTK_RECEIVES_DEFAULT);
1840         else
1841                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_RECEIVES_DEFAULT);
1842 #endif
1843 }
1844
1845 void gtkut_widget_set_can_focus(GtkWidget *widget, gboolean can_focus)
1846 {
1847 #if GTK_CHECK_VERSION(2,20,0)
1848         gtk_widget_set_can_focus(widget, can_focus);
1849 #else
1850         if (can_focus)
1851                 GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_FOCUS);
1852         else
1853                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_FOCUS);
1854 #endif
1855 }
1856
1857 void gtkut_widget_set_has_window(GtkWidget *widget, gboolean has_window)
1858 {
1859 #if GTK_CHECK_VERSION(2,20,0)
1860         gtk_widget_set_has_window(widget, has_window);
1861 #else
1862         if (has_window) /* Inverted logic there */
1863                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_NO_WINDOW);
1864         else
1865                 GTK_WIDGET_SET_FLAGS(widget, GTK_NO_WINDOW);
1866 #endif
1867 }