src/gtk/gtkutils.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 2 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, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  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/gtkwidget.h>
  29 #include <gtk/gtkhbbox.h>
  30 #include <gtk/gtkbutton.h>
  31 #include <gtk/gtkctree.h>
  32 #include <gtk/gtkcombo.h>
  33 #include <gtk/gtkbindings.h>
  34 #include <gtk/gtkitemfactory.h>
  35 #include <stdlib.h>
  36 #include <stdarg.h>
  37 #include <sys/stat.h>
  38
  39 #if HAVE_LIBCOMPFACE
  40 #  include <compface.h>
  41 #endif
  42
  43 #if HAVE_LIBCOMPFACE
  44 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  45 #endif
  46
  47 #if (HAVE_WCTYPE_H && HAVE_WCHAR_H)
  48 #  include <wchar.h>
  49 #  include <wctype.h>
  50 #endif
  51
  52 #include "defs.h"
  53 #include "gtkutils.h"
  54 #include "utils.h"
  55 #include "gtksctree.h"
  56 #include "codeconv.h"
  57 #include "stock_pixmap.h"
  58 #include "menu.h"
  59 #include "prefs_account.h"
  60 #include "prefs_common.h"
  61 #include "manage_window.h"
  62 #include "base64.h"
  63 #include "manual.h"
  64
  65 gboolean gtkut_get_font_size(GtkWidget *widget,
  66                              gint *width, gint *height)
  67 {
  68         PangoLayout *layout;
  69         const gchar *str = "Abcdef";
  70
  71         g_return_val_if_fail(GTK_IS_WIDGET(widget), FALSE);
  72
  73         layout = gtk_widget_create_pango_layout(widget, str);
  74         g_return_val_if_fail(layout, FALSE);
  75         pango_layout_get_pixel_size(layout, width, height);
  76         if (width)
  77                 *width = *width / g_utf8_strlen(str, -1);
  78         g_object_unref(layout);
  79
  80         return TRUE;
  81 }
  82
  83 void gtkut_widget_set_small_font_size(GtkWidget *widget)
  84 {
  85         PangoFontDescription *font_desc;
  86         gint size;
  87
  88         g_return_if_fail(widget != NULL);
  89         g_return_if_fail(widget->style != NULL);
  90
  91         font_desc = pango_font_description_from_string(NORMAL_FONT);
  92         size = pango_font_description_get_size(font_desc);
  93         pango_font_description_set_size(font_desc, size * PANGO_SCALE_SMALL);
  94         gtk_widget_modify_font(widget, font_desc);
  95         pango_font_description_free(font_desc);
  96 }
  97
  98 void gtkut_convert_int_to_gdk_color(gint rgbvalue, GdkColor *color)
  99 {
 100         g_return_if_fail(color != NULL);
 101
 102         color->pixel = 0L;
 103         color->red   = (int) (((gdouble)((rgbvalue & 0xff0000) >> 16) / 255.0) * 65535.0);
 104         color->green = (int) (((gdouble)((rgbvalue & 0x00ff00) >>  8) / 255.0) * 65535.0);
 105         color->blue  = (int) (((gdouble) (rgbvalue & 0x0000ff)        / 255.0) * 65535.0);
 106 }
 107
 108 void gtkut_stock_button_add_help(GtkWidget *bbox, GtkWidget **help_btn)
 109 {
 110         g_return_if_fail(bbox != NULL);
 111
 112 #if GTK_CHECK_VERSION(2, 6, 0)
 113         *help_btn = gtk_button_new_from_stock(GTK_STOCK_HELP);
 114 #else
 115         *help_btn = gtk_button_new_with_label(_("Help"));
 116 #endif
 117
 118         GTK_WIDGET_SET_FLAGS(*help_btn, GTK_CAN_DEFAULT);
 119         gtk_box_pack_end(GTK_BOX (bbox), *help_btn, TRUE, TRUE, 0);
 120         gtk_button_box_set_child_secondary(GTK_BUTTON_BOX (bbox),
 121                         *help_btn, TRUE);
 122         gtk_widget_set_sensitive(*help_btn,
 123                         manual_available(MANUAL_MANUAL_LOCAL));
 124         gtk_widget_show(*help_btn);
 125 }
 126
 127 void gtkut_stock_button_set_create_with_help(GtkWidget **bbox,
 128                 GtkWidget **help_button,
 129                 GtkWidget **button1, const gchar *label1,
 130                 GtkWidget **button2, const gchar *label2,
 131                 GtkWidget **button3, const gchar *label3)
 132 {
 133         g_return_if_fail(bbox != NULL);
 134         g_return_if_fail(button1 != NULL);
 135
 136         gtkut_stock_button_set_create(bbox, button1, label1,
 137                         button2, label2, button3, label3);
 138
 139         gtkut_stock_button_add_help(*bbox, help_button);
 140 }
 141
 142 void gtkut_stock_button_set_create(GtkWidget **bbox,
 143                                    GtkWidget **button1, const gchar *label1,
 144                                    GtkWidget **button2, const gchar *label2,
 145                                    GtkWidget **button3, const gchar *label3)
 146 {
 147         g_return_if_fail(bbox != NULL);
 148         g_return_if_fail(button1 != NULL);
 149
 150         *bbox = gtk_hbutton_box_new();
 151         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 152         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 153
 154         *button1 = gtk_button_new_from_stock(label1);
 155         GTK_WIDGET_SET_FLAGS(*button1, GTK_CAN_DEFAULT);
 156         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 157         gtk_widget_show(*button1);
 158
 159         if (button2) {
 160                 *button2 = gtk_button_new_from_stock(label2);
 161                 GTK_WIDGET_SET_FLAGS(*button2, GTK_CAN_DEFAULT);
 162                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 163                 gtk_widget_show(*button2);
 164         }
 165
 166         if (button3) {
 167                 *button3 = gtk_button_new_from_stock(label3);
 168                 GTK_WIDGET_SET_FLAGS(*button3, GTK_CAN_DEFAULT);
 169                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 170                 gtk_widget_show(*button3);
 171         }
 172 }
 173
 174 static void combo_button_size_request(GtkWidget *widget,
 175                                       GtkRequisition *requisition,
 176                                       gpointer data)
 177 {
 178         ComboButton *combo = (ComboButton *)data;
 179
 180         if (combo->arrow->allocation.height != requisition->height)
 181                 gtk_widget_set_size_request(combo->arrow,
 182                                             -1, requisition->height);
 183 }
 184
 185 static void combo_button_enter(GtkWidget *widget, gpointer data)
 186 {
 187         ComboButton *combo = (ComboButton *)data;
 188
 189         if (GTK_WIDGET_STATE(combo->arrow) != GTK_STATE_PRELIGHT) {
 190                 gtk_widget_set_state(combo->arrow, GTK_STATE_PRELIGHT);
 191                 gtk_widget_queue_draw(combo->arrow);
 192         }
 193         if (GTK_WIDGET_STATE(combo->button) != GTK_STATE_PRELIGHT) {
 194                 gtk_widget_set_state(combo->button, GTK_STATE_PRELIGHT);
 195                 gtk_widget_queue_draw(combo->button);
 196         }
 197 }
 198
 199 static void combo_button_leave(GtkWidget *widget, gpointer data)
 200 {
 201         ComboButton *combo = (ComboButton *)data;
 202
 203         if (GTK_WIDGET_STATE(combo->arrow) != GTK_STATE_NORMAL) {
 204                 gtk_widget_set_state(combo->arrow, GTK_STATE_NORMAL);
 205                 gtk_widget_queue_draw(combo->arrow);
 206         }
 207         if (GTK_WIDGET_STATE(combo->button) != GTK_STATE_NORMAL) {
 208                 gtk_widget_set_state(combo->button, GTK_STATE_NORMAL);
 209                 gtk_widget_queue_draw(combo->button);
 210         }
 211 }
 212
 213 static gint combo_button_arrow_pressed(GtkWidget *widget, GdkEventButton *event,
 214                                        gpointer data)
 215 {
 216         ComboButton *combo = (ComboButton *)data;
 217
 218         if (!event) return FALSE;
 219
 220         gtk_menu_popup(GTK_MENU(combo->menu), NULL, NULL,
 221                        menu_button_position, combo->button,
 222                        event->button, event->time);
 223
 224         return FALSE;
 225 }
 226
 227 static void combo_button_destroy(GtkWidget *widget, gpointer data)
 228 {
 229         ComboButton *combo = (ComboButton *)data;
 230
 231         gtk_object_destroy(GTK_OBJECT(combo->factory));
 232         g_free(combo);
 233 }
 234
 235 ComboButton *gtkut_combo_button_create(GtkWidget *button,
 236                                        GtkItemFactoryEntry *entries,
 237                                        gint n_entries, const gchar *path,
 238                                        gpointer data)
 239 {
 240         ComboButton *combo;
 241         GtkWidget *arrow;
 242
 243         combo = g_new0(ComboButton, 1);
 244
 245         combo->arrow = gtk_button_new();
 246         arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 247         gtk_widget_set_size_request(arrow, 7, -1);
 248         gtk_container_add(GTK_CONTAINER(combo->arrow), arrow);
 249         GTK_WIDGET_UNSET_FLAGS(combo->arrow, GTK_CAN_FOCUS);
 250         gtk_widget_show_all(combo->arrow);
 251
 252         combo->button = button;
 253         combo->menu = menu_create_items(entries, n_entries, path,
 254                                         &combo->factory, data);
 255         combo->data = data;
 256
 257         g_signal_connect(G_OBJECT(combo->button), "size_request",
 258                          G_CALLBACK(combo_button_size_request), combo);
 259         g_signal_connect(G_OBJECT(combo->button), "enter",
 260                          G_CALLBACK(combo_button_enter), combo);
 261         g_signal_connect(G_OBJECT(combo->button), "leave",
 262                          G_CALLBACK(combo_button_leave), combo);
 263         g_signal_connect(G_OBJECT(combo->arrow), "enter",
 264                          G_CALLBACK(combo_button_enter), combo);
 265         g_signal_connect(G_OBJECT(combo->arrow), "leave",
 266                          G_CALLBACK(combo_button_leave), combo);
 267         g_signal_connect(G_OBJECT(combo->arrow), "button_press_event",
 268                          G_CALLBACK(combo_button_arrow_pressed), combo);
 269         g_signal_connect(G_OBJECT(combo->arrow), "destroy",
 270                          G_CALLBACK(combo_button_destroy), combo);
 271
 272         return combo;
 273 }
 274
 275 #define CELL_SPACING 1
 276 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
 277                                     (((row) + 1) * CELL_SPACING) + \
 278                                     (clist)->voffset)
 279 #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
 280                                    ((clist)->row_height + CELL_SPACING))
 281
 282 void gtkut_ctree_node_move_if_on_the_edge(GtkCTree *ctree, GtkCTreeNode *node)
 283 {
 284         GtkCList *clist = GTK_CLIST(ctree);
 285         gint row;
 286         GtkVisibility row_visibility, prev_row_visibility, next_row_visibility;
 287
 288         g_return_if_fail(ctree != NULL);
 289         g_return_if_fail(node != NULL);
 290
 291         row = g_list_position(clist->row_list, (GList *)node);
 292         if (row < 0 || row >= clist->rows || clist->row_height == 0) return;
 293         row_visibility = gtk_clist_row_is_visible(clist, row);
 294         prev_row_visibility = gtk_clist_row_is_visible(clist, row - 1);
 295         next_row_visibility = gtk_clist_row_is_visible(clist, row + 1);
 296
 297         if (row_visibility == GTK_VISIBILITY_NONE) {
 298                 gtk_clist_moveto(clist, row, -1, 0.5, 0);
 299                 return;
 300         }
 301         if (row_visibility == GTK_VISIBILITY_FULL &&
 302             prev_row_visibility == GTK_VISIBILITY_FULL &&
 303             next_row_visibility == GTK_VISIBILITY_FULL)
 304                 return;
 305         if (prev_row_visibility != GTK_VISIBILITY_FULL &&
 306             next_row_visibility != GTK_VISIBILITY_FULL)
 307                 return;
 308
 309         if (prev_row_visibility != GTK_VISIBILITY_FULL) {
 310                 gtk_clist_moveto(clist, row, -1, 0.2, 0);
 311                 return;
 312         }
 313         if (next_row_visibility != GTK_VISIBILITY_FULL) {
 314                 gtk_clist_moveto(clist, row, -1, 0.8, 0);
 315                 return;
 316         }
 317 }
 318
 319 #undef CELL_SPACING
 320 #undef ROW_TOP_YPIXEL
 321 #undef ROW_FROM_YPIXEL
 322
 323 gint gtkut_ctree_get_nth_from_node(GtkCTree *ctree, GtkCTreeNode *node)
 324 {
 325         g_return_val_if_fail(ctree != NULL, -1);
 326         g_return_val_if_fail(node != NULL, -1);
 327
 328         return g_list_position(GTK_CLIST(ctree)->row_list, (GList *)node);
 329 }
 330
 331 /* get the next node, including the invisible one */
 332 GtkCTreeNode *gtkut_ctree_node_next(GtkCTree *ctree, GtkCTreeNode *node)
 333 {
 334         GtkCTreeNode *parent;
 335
 336         if (!node) return NULL;
 337
 338         if (GTK_CTREE_ROW(node)->children)
 339                 return GTK_CTREE_ROW(node)->children;
 340
 341         if (GTK_CTREE_ROW(node)->sibling)
 342                 return GTK_CTREE_ROW(node)->sibling;
 343
 344         for (parent = GTK_CTREE_ROW(node)->parent; parent != NULL;
 345              parent = GTK_CTREE_ROW(parent)->parent) {
 346                 if (GTK_CTREE_ROW(parent)->sibling)
 347                         return GTK_CTREE_ROW(parent)->sibling;
 348         }
 349
 350         return NULL;
 351 }
 352
 353 /* get the previous node, including the invisible one */
 354 GtkCTreeNode *gtkut_ctree_node_prev(GtkCTree *ctree, GtkCTreeNode *node)
 355 {
 356         GtkCTreeNode *prev;
 357         GtkCTreeNode *child;
 358
 359         if (!node) return NULL;
 360
 361         prev = GTK_CTREE_NODE_PREV(node);
 362         if (prev == GTK_CTREE_ROW(node)->parent)
 363                 return prev;
 364
 365         child = prev;
 366         while (GTK_CTREE_ROW(child)->children != NULL) {
 367                 child = GTK_CTREE_ROW(child)->children;
 368                 while (GTK_CTREE_ROW(child)->sibling != NULL)
 369                         child = GTK_CTREE_ROW(child)->sibling;
 370         }
 371
 372         return child;
 373 }
 374
 375 gboolean gtkut_ctree_node_is_selected(GtkCTree *ctree, GtkCTreeNode *node)
 376 {
 377         GtkCList *clist = GTK_CLIST(ctree);
 378         GList *cur;
 379
 380         for (cur = clist->selection; cur != NULL; cur = cur->next) {
 381                 if (node == GTK_CTREE_NODE(cur->data))
 382                         return TRUE;
 383         }
 384
 385         return FALSE;
 386 }
 387
 388 GtkCTreeNode *gtkut_ctree_find_collapsed_parent(GtkCTree *ctree,
 389                                                 GtkCTreeNode *node)
 390 {
 391         if (!node) return NULL;
 392
 393         while ((node = GTK_CTREE_ROW(node)->parent) != NULL) {
 394                 if (!GTK_CTREE_ROW(node)->expanded)
 395                         return node;
 396         }
 397
 398         return NULL;
 399 }
 400
 401 void gtkut_ctree_expand_parent_all(GtkCTree *ctree, GtkCTreeNode *node)
 402 {
 403         while ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
 404                 gtk_ctree_expand(ctree, node);
 405 }
 406
 407 gboolean gtkut_ctree_node_is_parent(GtkCTreeNode *parent, GtkCTreeNode *node)
 408 {
 409         GtkCTreeNode *tmp;
 410         g_return_val_if_fail(node != NULL, FALSE);
 411         g_return_val_if_fail(parent != NULL, FALSE);
 412         tmp = node;
 413
 414         while (tmp) {
 415                 if(GTK_CTREE_ROW(tmp)->parent && GTK_CTREE_ROW(tmp)->parent == parent)
 416                         return TRUE;
 417                 tmp = GTK_CTREE_ROW(tmp)->parent;
 418         }
 419
 420         return FALSE;
 421 }
 422
 423 void gtkut_ctree_set_focus_row(GtkCTree *ctree, GtkCTreeNode *node)
 424 {
 425         if (node == NULL)
 426                 return;
 427         gtkut_clist_set_focus_row(GTK_CLIST(ctree),
 428                                   gtkut_ctree_get_nth_from_node(ctree, node));
 429 }
 430
 431 void gtkut_clist_set_focus_row(GtkCList *clist, gint row)
 432 {
 433         clist->focus_row = row;
 434         GTKUT_CTREE_REFRESH(clist);
 435 }
 436
 437 void gtkut_combo_set_items(GtkCombo *combo, const gchar *str1, ...)
 438 {
 439         va_list args;
 440         gchar *s;
 441         GList *combo_items = NULL;
 442
 443         g_return_if_fail(str1 != NULL);
 444
 445         combo_items = g_list_append(combo_items, (gpointer)str1);
 446         va_start(args, str1);
 447         s = va_arg(args, gchar*);
 448         while (s) {
 449                 combo_items = g_list_append(combo_items, (gpointer)s);
 450                 s = va_arg(args, gchar*);
 451         }
 452         va_end(args);
 453
 454         gtk_combo_set_popdown_strings(combo, combo_items);
 455
 456         g_list_free(combo_items);
 457 }
 458
 459 gchar *gtkut_editable_get_selection(GtkEditable *editable)
 460 {
 461         guint start_pos, end_pos;
 462         gboolean found;
 463
 464         g_return_val_if_fail(GTK_IS_EDITABLE(editable), NULL);
 465
 466         found = gtk_editable_get_selection_bounds(editable,
 467                                                   &start_pos, &end_pos);
 468         if (found)
 469                 return gtk_editable_get_chars(editable, start_pos, end_pos);
 470         else
 471                 return NULL;
 472 }
 473
 474 void gtkut_editable_disable_im(GtkEditable *editable)
 475 {
 476         g_return_if_fail(editable != NULL);
 477
 478 #if USE_XIM
 479         if (editable->ic) {
 480                 gdk_ic_destroy(editable->ic);
 481                 editable->ic = NULL;
 482         }
 483         if (editable->ic_attr) {
 484                 gdk_ic_attr_destroy(editable->ic_attr);
 485                 editable->ic_attr = NULL;
 486         }
 487 #endif
 488 }
 489
 490 void gtkut_container_remove(GtkContainer *container, GtkWidget *widget)
 491 {
 492         gtk_container_remove(container, widget);
 493 }
 494
 495 gboolean gtkut_text_buffer_match_string(GtkTextBuffer *textbuf,
 496                                         const GtkTextIter *iter,
 497                                         gunichar *wcs, gint len,
 498                                         gboolean case_sens)
 499 {
 500         GtkTextIter start_iter, end_iter;
 501         gchar *utf8str, *p;
 502         gint match_count;
 503
 504         start_iter = end_iter = *iter;
 505         gtk_text_iter_forward_chars(&end_iter, len);
 506
 507         utf8str = gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter,
 508                                            FALSE);
 509         if (!utf8str) return FALSE;
 510
 511         if ((gint)g_utf8_strlen(utf8str, -1) != len) {
 512                 g_free(utf8str);
 513                 return FALSE;
 514         }
 515
 516         for (p = utf8str, match_count = 0;
 517              *p != '\0' && match_count < len;
 518              p = g_utf8_next_char(p), match_count++) {
 519                 gunichar wc;
 520
 521                 wc = g_utf8_get_char(p);
 522
 523                 if (case_sens) {
 524                         if (wc != wcs[match_count])
 525                                 break;
 526                 } else {
 527                         if (g_unichar_tolower(wc) !=
 528                             g_unichar_tolower(wcs[match_count]))
 529                                 break;
 530                 }
 531         }
 532
 533         g_free(utf8str);
 534
 535         if (match_count == len)
 536                 return TRUE;
 537         else
 538                 return FALSE;
 539 }
 540
 541 gboolean gtkut_text_buffer_find(GtkTextBuffer *buffer, const GtkTextIter *iter,
 542                                 const gchar *str, gboolean case_sens,
 543                                 GtkTextIter *match_pos)
 544 {
 545         gunichar *wcs;
 546         gint len;
 547         glong items_read = 0, items_written = 0;
 548         GError *error = NULL;
 549         GtkTextIter iter_;
 550         gboolean found = FALSE;
 551
 552         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 553         if (error != NULL) {
 554                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n",
 555                           error->message);
 556                 g_error_free(error);
 557         }
 558         if (!wcs || items_written <= 0) return FALSE;
 559         len = (gint)items_written;
 560
 561         iter_ = *iter;
 562         do {
 563                 found = gtkut_text_buffer_match_string
 564                         (buffer, &iter_, wcs, len, case_sens);
 565                 if (found) {
 566                         *match_pos = iter_;
 567                         break;
 568                 }
 569         } while (gtk_text_iter_forward_char(&iter_));
 570
 571         g_free(wcs);
 572
 573         return found;
 574 }
 575
 576 gboolean gtkut_text_buffer_find_backward(GtkTextBuffer *buffer,
 577                                          const GtkTextIter *iter,
 578                                          const gchar *str, gboolean case_sens,
 579                                          GtkTextIter *match_pos)
 580 {
 581         gunichar *wcs;
 582         gint len;
 583         glong items_read = 0, items_written = 0;
 584         GError *error = NULL;
 585         GtkTextIter iter_;
 586         gboolean found = FALSE;
 587
 588         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 589         if (error != NULL) {
 590                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n", error->message);
 591                 g_error_free(error);
 592         }
 593         if (!wcs || items_written <= 0) return FALSE;
 594         len = (gint)items_written;
 595
 596         iter_ = *iter;
 597         while (gtk_text_iter_backward_char(&iter_)) {
 598                 found = gtkut_text_buffer_match_string
 599                         (buffer, &iter_, wcs, len, case_sens);
 600                 if (found) {
 601                         *match_pos = iter_;
 602                         break;
 603                 }
 604         }
 605
 606         g_free(wcs);
 607
 608         return found;
 609 }
 610
 611 gchar *gtkut_text_view_get_selection(GtkTextView *textview)
 612 {
 613         GtkTextBuffer *buffer;
 614         GtkTextIter start_iter, end_iter;
 615         gboolean found;
 616
 617         g_return_val_if_fail(GTK_IS_TEXT_VIEW(textview), NULL);
 618
 619         buffer = gtk_text_view_get_buffer(textview);
 620         found = gtk_text_buffer_get_selection_bounds(buffer,
 621                                                      &start_iter,
 622                                                      &end_iter);
 623         if (found)
 624                 return gtk_text_buffer_get_text(buffer, &start_iter, &end_iter,
 625                                                 FALSE);
 626         else
 627                 return NULL;
 628 }
 629
 630
 631 void gtkut_text_view_set_position(GtkTextView *text, gint pos)
 632 {
 633         GtkTextBuffer *buffer;
 634         GtkTextIter iter;
 635
 636         g_return_if_fail(text != NULL);
 637
 638         buffer = gtk_text_view_get_buffer(text);
 639
 640         gtk_text_buffer_get_iter_at_offset(buffer, &iter, pos);
 641         gtk_text_buffer_place_cursor(buffer, &iter);
 642         gtk_text_view_scroll_to_iter(text, &iter, 0.0, FALSE, 0.0, 0.0);
 643 }
 644
 645 gboolean gtkut_text_view_search_string(GtkTextView *text, const gchar *str,
 646                                         gboolean case_sens)
 647 {
 648         GtkTextBuffer *buffer;
 649         GtkTextIter iter, match_pos;
 650         GtkTextMark *mark;
 651         gint len;
 652
 653         g_return_val_if_fail(text != NULL, FALSE);
 654         g_return_val_if_fail(str != NULL, FALSE);
 655
 656         buffer = gtk_text_view_get_buffer(text);
 657
 658         len = g_utf8_strlen(str, -1);
 659         g_return_val_if_fail(len >= 0, FALSE);
 660
 661         mark = gtk_text_buffer_get_insert(buffer);
 662         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
 663
 664         if (gtkut_text_buffer_find(buffer, &iter, str, case_sens,
 665                                    &match_pos)) {
 666                 GtkTextIter end = match_pos;
 667
 668                 gtk_text_iter_forward_chars(&end, len);
 669                 /* place "insert" at the last character */
 670                 gtk_text_buffer_select_range(buffer, &end, &match_pos);
 671                 gtk_text_view_scroll_to_mark(text, mark, 0.0, FALSE, 0.0, 0.0);
 672                 return TRUE;
 673         }
 674
 675         return FALSE;
 676 }
 677
 678 gboolean gtkut_text_view_search_string_backward(GtkTextView *text, const gchar *str,
 679                                         gboolean case_sens)
 680 {
 681         GtkTextBuffer *buffer;
 682         GtkTextIter iter, match_pos;
 683         GtkTextMark *mark;
 684         gint len;
 685
 686         g_return_val_if_fail(text != NULL, FALSE);
 687         g_return_val_if_fail(str != NULL, FALSE);
 688
 689         buffer = gtk_text_view_get_buffer(text);
 690
 691         len = g_utf8_strlen(str, -1);
 692         g_return_val_if_fail(len >= 0, FALSE);
 693
 694         mark = gtk_text_buffer_get_insert(buffer);
 695         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
 696
 697         if (gtkut_text_buffer_find_backward(buffer, &iter, str, case_sens,
 698                                             &match_pos)) {
 699                 GtkTextIter end = match_pos;
 700
 701                 gtk_text_iter_forward_chars(&end, len);
 702                 gtk_text_buffer_select_range(buffer, &match_pos, &end);
 703                 gtk_text_view_scroll_to_mark(text, mark, 0.0, FALSE, 0.0, 0.0);
 704                 return TRUE;
 705         }
 706
 707         return FALSE;
 708 }
 709
 710 void gtkut_window_popup(GtkWidget *window)
 711 {
 712         gint x, y, sx, sy, new_x, new_y;
 713
 714         g_return_if_fail(window != NULL);
 715         g_return_if_fail(window->window != NULL);
 716
 717         sx = gdk_screen_width();
 718         sy = gdk_screen_height();
 719
 720         gdk_window_get_origin(window->window, &x, &y);
 721         new_x = x % sx; if (new_x < 0) new_x = 0;
 722         new_y = y % sy; if (new_y < 0) new_y = 0;
 723         if (new_x != x || new_y != y)
 724                 gdk_window_move(window->window, new_x, new_y);
 725
 726         gtk_window_present(GTK_WINDOW(window));
 727 }
 728
 729 void gtkut_widget_get_uposition(GtkWidget *widget, gint *px, gint *py)
 730 {
 731         gint x, y;
 732         gint sx, sy;
 733
 734         g_return_if_fail(widget != NULL);
 735         g_return_if_fail(widget->window != NULL);
 736
 737         sx = gdk_screen_width();
 738         sy = gdk_screen_height();
 739
 740         /* gdk_window_get_root_origin ever return *rootwindow*'s position */
 741         gdk_window_get_root_origin(widget->window, &x, &y);
 742
 743         x %= sx; if (x < 0) x = 0;
 744         y %= sy; if (y < 0) y = 0;
 745         *px = x;
 746         *py = y;
 747 }
 748
 749 void gtkut_widget_draw_now(GtkWidget *widget)
 750 {
 751         if (GTK_WIDGET_VISIBLE(widget) && GTK_WIDGET_DRAWABLE(widget))
 752                 gdk_window_process_updates(widget->window, FALSE);
 753 }
 754
 755 static void gtkut_clist_bindings_add(GtkWidget *clist)
 756 {
 757         GtkBindingSet *binding_set;
 758
 759         binding_set = gtk_binding_set_by_class
 760                 (GTK_CLIST_GET_CLASS(clist));
 761
 762         gtk_binding_entry_add_signal(binding_set, GDK_n, GDK_CONTROL_MASK,
 763                                      "scroll_vertical", 2,
 764                                      G_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 765                                      G_TYPE_FLOAT, 0.0);
 766         gtk_binding_entry_add_signal(binding_set, GDK_p, GDK_CONTROL_MASK,
 767                                      "scroll_vertical", 2,
 768                                      G_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 769                                      G_TYPE_FLOAT, 0.0);
 770 }
 771
 772 void gtkut_widget_init(void)
 773 {
 774         GtkWidget *clist;
 775
 776         clist = gtk_clist_new(1);
 777         g_object_ref(G_OBJECT(clist));
 778         gtk_object_sink(GTK_OBJECT(clist));
 779         gtkut_clist_bindings_add(clist);
 780         g_object_unref(G_OBJECT(clist));
 781
 782         clist = gtk_ctree_new(1, 0);
 783         g_object_ref(G_OBJECT(clist));
 784         gtk_object_sink(GTK_OBJECT(clist));
 785         gtkut_clist_bindings_add(clist);
 786         g_object_unref(G_OBJECT(clist));
 787
 788         clist = gtk_sctree_new_with_titles(1, 0, NULL);
 789         g_object_ref(G_OBJECT(clist));
 790         gtk_object_sink(GTK_OBJECT(clist));
 791         gtkut_clist_bindings_add(clist);
 792         g_object_unref(G_OBJECT(clist));
 793 }
 794
 795 void gtkut_widget_set_app_icon(GtkWidget *widget)
 796 {
 797 #include "pixmaps/sylpheed.xpm"
 798         static GdkPixmap *sylpheedxpm;
 799         static GdkBitmap *sylpheedxpmmask;
 800
 801         g_return_if_fail(widget != NULL);
 802         g_return_if_fail(widget->window != NULL);
 803         if (!sylpheedxpm) {
 804                 PIXMAP_CREATE(widget, sylpheedxpm, sylpheedxpmmask, sylpheed_xpm);
 805         }
 806         gdk_window_set_icon(widget->window, NULL, sylpheedxpm, sylpheedxpmmask);
 807 }
 808
 809 void gtkut_widget_set_composer_icon(GtkWidget *widget)
 810 {
 811         static GdkPixmap *xpm;
 812         static GdkBitmap *bmp;
 813
 814         g_return_if_fail(widget != NULL);
 815         g_return_if_fail(widget->window != NULL);
 816         if (!xpm) {
 817                 stock_pixmap_gdk(widget, STOCK_PIXMAP_MAIL_COMPOSE, &xpm, &bmp);
 818         }
 819         gdk_window_set_icon(widget->window, NULL, xpm, bmp);
 820 }
 821
 822 GtkWidget *label_window_create(const gchar *str)
 823 {
 824         GtkWidget *window;
 825         GtkWidget *label;
 826
 827         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 828         gtk_widget_set_size_request(window, 380, 60);
 829         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 830         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 831         gtk_window_set_title(GTK_WINDOW(window), str);
 832         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 833         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 834         manage_window_set_transient(GTK_WINDOW(window));
 835
 836         label = gtk_label_new(str);
 837         gtk_container_add(GTK_CONTAINER(window), label);
 838         gtk_widget_show(label);
 839
 840         gtk_widget_show_now(window);
 841
 842         return window;
 843 }
 844
 845 GtkWidget *gtkut_account_menu_new(GList                 *ac_list,
 846                                   GCallback              callback,
 847                                   gpointer               data)
 848 {
 849         GList *cur_ac;
 850         GtkWidget *menu;
 851
 852         g_return_val_if_fail(ac_list != NULL, NULL);
 853
 854         menu = gtk_menu_new();
 855
 856         for (cur_ac = ac_list; cur_ac != NULL; cur_ac = cur_ac->next) {
 857                 gchar *name;
 858                 GtkWidget *menuitem;
 859                 PrefsAccount *account;
 860
 861                 account = (PrefsAccount *) cur_ac->data;
 862                 if (account->name)
 863                         name = g_strdup_printf("%s: %s <%s>",
 864                                                account->account_name,
 865                                                account->name,
 866                                                account->address);
 867                 else
 868                         name = g_strdup_printf("%s: %s",
 869                                                account->account_name,
 870                                                account->address);
 871                 MENUITEM_ADD(menu, menuitem, name, account->account_id);
 872                 g_free(name);
 873                 if (callback != NULL)
 874                         g_signal_connect(G_OBJECT(menuitem), "activate",
 875                                          callback, data);
 876         }
 877         return menu;
 878 }
 879
 880 void gtkut_set_widget_bgcolor_rgb(GtkWidget *widget, guint rgbvalue)
 881 {
 882         GtkStyle *newstyle;
 883         GdkColor gdk_color;
 884
 885         gtkut_convert_int_to_gdk_color(rgbvalue, &gdk_color);
 886         newstyle = gtk_style_copy(gtk_widget_get_default_style());
 887         newstyle->bg[GTK_STATE_NORMAL]   = gdk_color;
 888         newstyle->bg[GTK_STATE_PRELIGHT] = gdk_color;
 889         newstyle->bg[GTK_STATE_ACTIVE]   = gdk_color;
 890         gtk_widget_set_style(widget, newstyle);
 891 }
 892
 893 /*!
 894  *\brief        Tries to find a focused child using a lame strategy
 895  */
 896 GtkWidget *gtkut_get_focused_child(GtkContainer *parent)
 897 {
 898         GtkWidget *result = NULL;
 899         GList *child_list = NULL;
 900         GList *c;
 901
 902         g_return_val_if_fail(parent, NULL);
 903
 904         /* Get children list and see which has the focus. */
 905         child_list = gtk_container_get_children(parent);
 906         if (!child_list)
 907                 return NULL;
 908
 909         for (c = child_list; c != NULL; c = g_list_next(c)) {
 910                 if (c->data && GTK_IS_WIDGET(c->data)) {
 911                         if (GTK_WIDGET_HAS_FOCUS(GTK_WIDGET(c->data))) {
 912                                 result = GTK_WIDGET(c->data);
 913                                 break;
 914                         }
 915                 }
 916         }
 917
 918         /* See if the returned widget is a container itself; if it is,
 919          * see if one of its children is focused. If the focused
 920          * container has no focused child, it is itself a focusable
 921          * child, and has focus. */
 922         if (result && GTK_IS_CONTAINER(result)) {
 923                 GtkWidget *tmp =  gtkut_get_focused_child(GTK_CONTAINER(result));
 924
 925                 if (tmp)
 926                         result = tmp;
 927         } else {
 928                 /* Try the same for each container in the chain */
 929                 for (c = child_list; c != NULL && !result; c = g_list_next(c)) {
 930                         if (c->data && GTK_IS_WIDGET(c->data)
 931                         &&  GTK_IS_CONTAINER(c->data)) {
 932                                 result = gtkut_get_focused_child
 933                                         (GTK_CONTAINER(c->data));
 934                         }
 935                 }
 936
 937         }
 938
 939         g_list_free(child_list);
 940
 941         return result;
 942 }
 943
 944 /*!
 945  *\brief        Create a Browse (file) button based on GTK+ stock
 946  */
 947 GtkWidget *gtkut_get_browse_file_btn(const gchar *button_label)
 948 {
 949         GtkWidget *button;
 950
 951 #if GTK_CHECK_VERSION(2, 6, 0)
 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_DIRECTORY, GTK_ICON_SIZE_BUTTON));
 955 #else
 956         GtkWidget* image;
 957         GtkWidget* box;
 958         GtkWidget* label;
 959
 960         button = gtk_button_new();
 961         box = gtk_hbox_new(FALSE, 0);
 962
 963         image = gtk_image_new_from_stock(GTK_STOCK_OPEN, GTK_ICON_SIZE_BUTTON);
 964         label = gtk_label_new(NULL);
 965         gtk_label_set_text_with_mnemonic(GTK_LABEL(label), button_label);
 966         gtk_label_set_mnemonic_widget(GTK_LABEL(label), button);
 967
 968         gtk_box_pack_start(GTK_BOX(box), image, FALSE, FALSE, 1);
 969         gtk_box_pack_end(GTK_BOX(box), label, FALSE, FALSE, 1);
 970         gtk_widget_show(label);
 971         gtk_widget_show(image);
 972         gtk_widget_show(box);
 973         gtk_container_add(GTK_CONTAINER(button), box);
 974 #endif
 975         return button;
 976 }
 977
 978 /*!
 979  *\brief        Create a Browse (directory) button based on GTK+ stock
 980  */
 981 GtkWidget *gtkut_get_browse_directory_btn(const gchar *button_label)
 982 {
 983         GtkWidget *button;
 984
 985 #if GTK_CHECK_VERSION(2, 6, 0)
 986         button = gtk_button_new_with_mnemonic(button_label);
 987         gtk_button_set_image(GTK_BUTTON(button),
 988                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
 989 #else
 990         GtkWidget* image;
 991         GtkWidget* box;
 992         GtkWidget* label;
 993
 994         button = gtk_button_new();
 995         box = gtk_hbox_new(FALSE, 0);
 996
 997         image = gtk_image_new_from_stock(GTK_STOCK_OPEN, GTK_ICON_SIZE_BUTTON);
 998         label = gtk_label_new(NULL);
 999         gtk_label_set_text_with_mnemonic(GTK_LABEL(label), button_label);
1000         gtk_label_set_mnemonic_widget(GTK_LABEL(label), button);
1001
1002         gtk_box_pack_start(GTK_BOX(box), image, FALSE, FALSE, 1);
1003         gtk_box_pack_end(GTK_BOX(box), label, FALSE, FALSE, 1);
1004         gtk_widget_show(label);
1005         gtk_widget_show(image);
1006         gtk_widget_show(box);
1007         gtk_container_add(GTK_CONTAINER(button), box);
1008 #endif
1009         return button;
1010 }
1011
1012 GtkWidget *gtkut_get_replace_btn(const gchar *button_label)
1013 {
1014         GtkWidget *button;
1015
1016 #if GTK_CHECK_VERSION(2, 6, 0)
1017         button = gtk_button_new_with_mnemonic(button_label);
1018         gtk_button_set_image(GTK_BUTTON(button),
1019                 gtk_image_new_from_stock(GTK_STOCK_REFRESH, GTK_ICON_SIZE_BUTTON));
1020 #else
1021         GtkWidget* image;
1022         GtkWidget* box;
1023         GtkWidget* label;
1024
1025         button = gtk_button_new();
1026         box = gtk_hbox_new(FALSE, 0);
1027
1028         image = gtk_image_new_from_stock(GTK_STOCK_REFRESH, GTK_ICON_SIZE_BUTTON);
1029         label = gtk_label_new(NULL);
1030         gtk_label_set_text_with_mnemonic(GTK_LABEL(label), button_label);
1031         gtk_label_set_mnemonic_widget(GTK_LABEL(label), button);
1032
1033         gtk_box_pack_start(GTK_BOX(box), image, FALSE, FALSE, 1);
1034         gtk_box_pack_end(GTK_BOX(box), label, FALSE, FALSE, 1);
1035         gtk_widget_show(label);
1036         gtk_widget_show(image);
1037         gtk_widget_show(box);
1038         gtk_container_add(GTK_CONTAINER(button), box);
1039 #endif
1040         return button;
1041 }
1042
1043 #if HAVE_LIBCOMPFACE
1044 gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
1045 {
1046         static gchar *bit_pattern[] = {
1047                 "....",
1048                 "...#",
1049                 "..#.",
1050                 "..##",
1051                 ".#..",
1052                 ".#.#",
1053                 ".##.",
1054                 ".###",
1055                 "#...",
1056                 "#..#",
1057                 "#.#.",
1058                 "#.##",
1059                 "##..",
1060                 "##.#",
1061                 "###.",
1062                 "####"
1063         };
1064
1065         static gchar *xface_header = "48 48 2 1";
1066         static gchar *xface_black  = "# c #000000";
1067         static gchar *xface_white  = ". c #ffffff";
1068
1069         gint i, line = 0;
1070         const guchar *p;
1071         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
1072
1073         p = xface;
1074
1075         strcpy(xpm[line++], xface_header);
1076         strcpy(xpm[line++], xface_black);
1077         strcpy(xpm[line++], xface_white);
1078
1079         for (i = 0; i < HEIGHT; i++) {
1080                 gint col;
1081
1082                 buf[0] = '\0';
1083
1084                 for (col = 0; col < 3; col++) {
1085                         gint figure;
1086
1087                         p += 2;  /* skip '0x' */
1088
1089                         for (figure = 0; figure < 4; figure++) {
1090                                 gint n = 0;
1091
1092                                 if ('0' <= *p && *p <= '9') {
1093                                         n = *p - '0';
1094                                 } else if ('a' <= *p && *p <= 'f') {
1095                                         n = *p - 'a' + 10;
1096                                 } else if ('A' <= *p && *p <= 'F') {
1097                                         n = *p - 'A' + 10;
1098                                 }
1099
1100                                 strcat(buf, bit_pattern[n]);
1101                                 p++;  /* skip ',' */
1102                         }
1103
1104                         p++;  /* skip '\n' */
1105                 }
1106
1107                 strcpy(xpm[line++], buf);
1108                 p++;
1109         }
1110
1111         return 0;
1112 }
1113 #endif
1114
1115 gboolean get_tag_range(GtkTextIter *iter,
1116                                        GtkTextTag *tag,
1117                                        GtkTextIter *start_iter,
1118                                        GtkTextIter *end_iter)
1119 {
1120         GtkTextIter _start_iter, _end_iter;
1121
1122         _end_iter = *iter;
1123         if (!gtk_text_iter_forward_to_tag_toggle(&_end_iter, tag)) {
1124                 debug_print("Can't find end");
1125                 return FALSE;
1126         }
1127
1128         _start_iter = _end_iter;
1129         if (!gtk_text_iter_backward_to_tag_toggle(&_start_iter, tag)) {
1130                 debug_print("Can't find start.");
1131                 return FALSE;
1132         }
1133
1134         *start_iter = _start_iter;
1135         *end_iter = _end_iter;
1136
1137         return TRUE;
1138 }
1139
1140 #if HAVE_LIBCOMPFACE
1141 GtkWidget *xface_get_from_header(const gchar *o_xface, GdkColor *background,
1142                                  GdkWindow *window)
1143 {
1144         static gchar *xpm_xface[XPM_XFACE_HEIGHT];
1145         static gboolean xpm_xface_init = TRUE;
1146         GdkPixmap *pixmap;
1147         GdkBitmap *mask;
1148         gchar xface[2048];
1149         strncpy(xface, o_xface, sizeof(xface));
1150
1151         if (uncompface(xface) < 0) {
1152                 g_warning("uncompface failed\n");
1153                 return NULL;
1154         }
1155
1156         if (xpm_xface_init) {
1157                 gint i;
1158
1159                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
1160                         xpm_xface[i] = g_malloc(WIDTH + 1);
1161                         *xpm_xface[i] = '\0';
1162                 }
1163                 xpm_xface_init = FALSE;
1164         }
1165
1166         create_xpm_from_xface(xpm_xface, xface);
1167
1168         pixmap = gdk_pixmap_create_from_xpm_d
1169                 (window, &mask,
1170                  background, xpm_xface);
1171         return gtk_image_new_from_pixmap(pixmap, mask);
1172 }
1173 #endif
1174
1175 GtkWidget *face_get_from_header(const gchar *o_face)
1176 {
1177         gchar face[2048];
1178         gchar face_png[2048];
1179         gint pngsize;
1180         GdkPixbuf *pixbuf;
1181         GError *error = NULL;
1182         GdkPixbufLoader *loader = gdk_pixbuf_loader_new ();
1183         GtkWidget *image;
1184
1185         if (o_face == NULL || strlen(o_face) == 0)
1186                 return NULL;
1187
1188         strncpy2(face, o_face, sizeof(face));
1189
1190         unfold_line(face); /* strip all whitespace and linebreaks */
1191         remove_space(face);
1192
1193         pngsize = base64_decode(face_png, face, strlen(face));
1194
1195         if (!gdk_pixbuf_loader_write (loader, face_png, pngsize, &error) ||
1196             !gdk_pixbuf_loader_close (loader, &error)) {
1197                 g_warning("loading face failed\n");
1198                 g_object_unref(loader);
1199                 return NULL;
1200         }
1201
1202         pixbuf = g_object_ref(gdk_pixbuf_loader_get_pixbuf(loader));
1203
1204         g_object_unref(loader);
1205
1206         if ((gdk_pixbuf_get_width(pixbuf) != 48) || (gdk_pixbuf_get_height(pixbuf) != 48)) {
1207                 g_object_unref(pixbuf);
1208                 g_warning("wrong_size");
1209                 return NULL;
1210         }
1211
1212         image = gtk_image_new_from_pixbuf(pixbuf);
1213         g_object_unref(pixbuf);
1214         return image;
1215 }
1216
1217 static GdkCursor *hand_cursor = NULL;
1218
1219 static void link_btn_enter(GtkButton *button, gpointer data)
1220 {
1221         GtkWidget *window = (GtkWidget *)data;
1222
1223         if (!hand_cursor)
1224                 hand_cursor = gdk_cursor_new(GDK_HAND2);
1225         if (window && window->window)
1226                 gdk_window_set_cursor(window->window, hand_cursor);
1227
1228         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1229         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1230
1231 }
1232
1233 static void link_btn_leave(GtkButton *button, gpointer data)
1234 {
1235         GtkWidget *window = (GtkWidget *)data;
1236
1237         if (window && window->window)
1238                 gdk_window_set_cursor(window->window, NULL);
1239
1240         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1241         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1242 }
1243
1244 static void link_btn_pressed(GtkButton *button, gpointer data)
1245 {
1246         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1247         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1248 }
1249
1250 static void link_btn_released(GtkButton *button, gpointer data)
1251 {
1252         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1253         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1254 }
1255
1256 static void link_btn_clicked(GtkButton *button, gpointer data)
1257 {
1258         gchar *url = (gchar *)data;
1259         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1260         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1261         open_uri(url, prefs_common.uri_cmd);
1262 }
1263
1264 static void link_btn_unrealize(GtkButton *button, gpointer data)
1265 {
1266         gchar *url = (gchar *)data;
1267         g_signal_handlers_disconnect_by_func(G_OBJECT(button),
1268                          G_CALLBACK(link_btn_clicked), url);
1269         g_free(url);
1270 }
1271
1272 GtkWidget *gtkut_get_link_btn(GtkWidget *window, const gchar *url, const gchar *label)
1273 {
1274         GtkWidget *btn;
1275         GtkWidget *btn_label;
1276         GdkColormap *cmap;
1277         GdkColor uri_color[2] = {{0, 0, 0, 0xffff}, {0, 0xffff, 0, 0}};
1278         gboolean success[2];
1279         gchar *local_url = NULL;
1280         if (!url)
1281                 return NULL;
1282
1283         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1284                                                &uri_color[0]);
1285         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1286                                                &uri_color[1]);
1287
1288         btn = gtk_button_new_with_label(label?label:url);
1289         gtk_button_set_relief(GTK_BUTTON(btn), GTK_RELIEF_NONE);
1290         btn_label = GTK_BIN(btn)->child;
1291         cmap = gdk_drawable_get_colormap(window->window);
1292         gdk_colormap_alloc_colors(cmap, uri_color, 2, FALSE, TRUE, success);
1293         if (success[0] == TRUE && success[1] == TRUE) {
1294                 GtkStyle *style;
1295                 gtk_widget_ensure_style(btn_label);
1296                 style = gtk_style_copy
1297                         (gtk_widget_get_style(btn_label));
1298                 style->fg[GTK_STATE_NORMAL]   = uri_color[0];
1299                 style->fg[GTK_STATE_ACTIVE]   = uri_color[1];
1300                 style->fg[GTK_STATE_PRELIGHT] = uri_color[0];
1301                 gtk_widget_set_style(btn_label, style);
1302         } else
1303                 g_warning("about_create(): color allocation failed.\n");
1304
1305         g_signal_connect(G_OBJECT(btn), "enter",
1306                          G_CALLBACK(link_btn_enter), window);
1307         g_signal_connect(G_OBJECT(btn), "leave",
1308                          G_CALLBACK(link_btn_leave), window);
1309         g_signal_connect(G_OBJECT(btn), "pressed",
1310                          G_CALLBACK(link_btn_pressed), window);
1311         g_signal_connect(G_OBJECT(btn), "released",
1312                          G_CALLBACK(link_btn_released), window);
1313
1314         local_url = g_strdup(url);
1315         g_signal_connect(G_OBJECT(btn), "clicked",
1316                          G_CALLBACK(link_btn_clicked), local_url);
1317         g_signal_connect(G_OBJECT(btn), "unrealize",
1318                          G_CALLBACK(link_btn_unrealize), local_url);
1319         return btn;
1320 }
1321
1322 GtkWidget *gtkut_sc_combobox_create(GtkWidget *eventbox, gboolean focus_on_click)
1323 {
1324         GtkWidget *combobox;
1325         GtkListStore *menu;
1326         GtkCellRenderer *rend;
1327
1328         menu = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
1329
1330         combobox = gtk_combo_box_new_with_model(GTK_TREE_MODEL(menu));
1331
1332         rend = gtk_cell_renderer_text_new();
1333         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combobox), rend, TRUE);
1334         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combobox), rend,
1335                         "markup", 0,
1336                         NULL);
1337
1338         if( eventbox != NULL )
1339                 gtk_container_add(GTK_CONTAINER(eventbox), combobox);
1340 #if GTK_CHECK_VERSION(2,6,0)
1341         gtk_combo_box_set_focus_on_click(GTK_COMBO_BOX(combobox), focus_on_click);
1342 #endif
1343         return combobox;
1344 }