src/gtk/gtkutils.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 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/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 #include "combobox.h"
  40
  41 #if HAVE_LIBCOMPFACE
  42 #  include <compface.h>
  43 #endif
  44
  45 #if HAVE_LIBCOMPFACE
  46 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  47 #endif
  48
  49 #if (HAVE_WCTYPE_H && HAVE_WCHAR_H)
  50 #  include <wchar.h>
  51 #  include <wctype.h>
  52 #endif
  53
  54 #include "defs.h"
  55 #include "gtkutils.h"
  56 #include "utils.h"
  57 #include "gtksctree.h"
  58 #include "codeconv.h"
  59 #include "stock_pixmap.h"
  60 #include "menu.h"
  61 #include "prefs_account.h"
  62 #include "prefs_common.h"
  63 #include "manage_window.h"
  64 #include "base64.h"
  65 #include "manual.h"
  66 #include "combobox.h"
  67
  68 gboolean gtkut_get_font_size(GtkWidget *widget,
  69                              gint *width, gint *height)
  70 {
  71         PangoLayout *layout;
  72         const gchar *str = "Abcdef";
  73
  74         g_return_val_if_fail(GTK_IS_WIDGET(widget), FALSE);
  75
  76         layout = gtk_widget_create_pango_layout(widget, str);
  77         g_return_val_if_fail(layout, FALSE);
  78         pango_layout_get_pixel_size(layout, width, height);
  79         if (width)
  80                 *width = *width / g_utf8_strlen(str, -1);
  81         g_object_unref(layout);
  82
  83         return TRUE;
  84 }
  85
  86 void gtkut_widget_set_small_font_size(GtkWidget *widget)
  87 {
  88         PangoFontDescription *font_desc;
  89         gint size;
  90
  91         g_return_if_fail(widget != NULL);
  92         g_return_if_fail(widget->style != NULL);
  93
  94         font_desc = pango_font_description_from_string(NORMAL_FONT);
  95         size = pango_font_description_get_size(font_desc);
  96         pango_font_description_set_size(font_desc, size * PANGO_SCALE_SMALL);
  97         gtk_widget_modify_font(widget, font_desc);
  98         pango_font_description_free(font_desc);
  99 }
 100
 101 void gtkut_convert_int_to_gdk_color(gint rgbvalue, GdkColor *color)
 102 {
 103         g_return_if_fail(color != NULL);
 104
 105         color->pixel = 0L;
 106         color->red   = (int) (((gdouble)((rgbvalue & 0xff0000) >> 16) / 255.0) * 65535.0);
 107         color->green = (int) (((gdouble)((rgbvalue & 0x00ff00) >>  8) / 255.0) * 65535.0);
 108         color->blue  = (int) (((gdouble) (rgbvalue & 0x0000ff)        / 255.0) * 65535.0);
 109 }
 110
 111 void gtkut_stock_button_add_help(GtkWidget *bbox, GtkWidget **help_btn)
 112 {
 113         g_return_if_fail(bbox != NULL);
 114
 115         *help_btn = gtk_button_new_from_stock(GTK_STOCK_HELP);
 116
 117         GTK_WIDGET_SET_FLAGS(*help_btn, GTK_CAN_DEFAULT);
 118         gtk_box_pack_end(GTK_BOX (bbox), *help_btn, TRUE, TRUE, 0);
 119         gtk_button_box_set_child_secondary(GTK_BUTTON_BOX (bbox),
 120                         *help_btn, TRUE);
 121         gtk_widget_set_sensitive(*help_btn,
 122                         manual_available(MANUAL_MANUAL_CLAWS));
 123         gtk_widget_show(*help_btn);
 124 }
 125
 126 void gtkut_stock_button_set_create_with_help(GtkWidget **bbox,
 127                 GtkWidget **help_button,
 128                 GtkWidget **button1, const gchar *label1,
 129                 GtkWidget **button2, const gchar *label2,
 130                 GtkWidget **button3, const gchar *label3)
 131 {
 132         g_return_if_fail(bbox != NULL);
 133         g_return_if_fail(button1 != NULL);
 134
 135         gtkut_stock_button_set_create(bbox, button1, label1,
 136                         button2, label2, button3, label3);
 137
 138         gtkut_stock_button_add_help(*bbox, help_button);
 139 }
 140
 141 void gtkut_stock_button_set_create(GtkWidget **bbox,
 142                                    GtkWidget **button1, const gchar *label1,
 143                                    GtkWidget **button2, const gchar *label2,
 144                                    GtkWidget **button3, const gchar *label3)
 145 {
 146         g_return_if_fail(bbox != NULL);
 147         g_return_if_fail(button1 != NULL);
 148
 149         *bbox = gtk_hbutton_box_new();
 150         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 151         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 152
 153         *button1 = gtk_button_new_from_stock(label1);
 154         GTK_WIDGET_SET_FLAGS(*button1, GTK_CAN_DEFAULT);
 155         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 156         gtk_widget_show(*button1);
 157
 158         if (button2) {
 159                 *button2 = gtk_button_new_from_stock(label2);
 160                 GTK_WIDGET_SET_FLAGS(*button2, GTK_CAN_DEFAULT);
 161                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 162                 gtk_widget_show(*button2);
 163         }
 164
 165         if (button3) {
 166                 *button3 = gtk_button_new_from_stock(label3);
 167                 GTK_WIDGET_SET_FLAGS(*button3, GTK_CAN_DEFAULT);
 168                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 169                 gtk_widget_show(*button3);
 170         }
 171 }
 172
 173 void gtkut_stock_with_text_button_set_create(GtkWidget **bbox,
 174                                    GtkWidget **button1, const gchar *label1, const gchar *text1,
 175                                    GtkWidget **button2, const gchar *label2, const gchar *text2,
 176                                    GtkWidget **button3, const gchar *label3, const gchar *text3)
 177 {
 178         g_return_if_fail(bbox != NULL);
 179         g_return_if_fail(button1 != NULL);
 180
 181         *bbox = gtk_hbutton_box_new();
 182         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 183         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 184
 185         *button1 = gtk_button_new_with_mnemonic(text1);
 186         gtk_button_set_image(GTK_BUTTON(*button1),
 187                 gtk_image_new_from_stock(label1, GTK_ICON_SIZE_BUTTON));
 188         GTK_WIDGET_SET_FLAGS(*button1, GTK_CAN_DEFAULT);
 189         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 190         gtk_widget_show(*button1);
 191
 192         if (button2) {
 193                 *button2 = gtk_button_new_with_mnemonic(text2);
 194         gtk_button_set_image(GTK_BUTTON(*button2),
 195                 gtk_image_new_from_stock(label2, GTK_ICON_SIZE_BUTTON));
 196                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 197                 gtk_widget_show(*button2);
 198         }
 199
 200         if (button3) {
 201                 *button3 = gtk_button_new_with_mnemonic(text3);
 202         gtk_button_set_image(GTK_BUTTON(*button3),
 203                 gtk_image_new_from_stock(label3, GTK_ICON_SIZE_BUTTON));
 204                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 205                 gtk_widget_show(*button3);
 206         }
 207 }
 208
 209 static void combo_button_size_request(GtkWidget *widget,
 210                                       GtkRequisition *requisition,
 211                                       gpointer data)
 212 {
 213         ComboButton *combo = (ComboButton *)data;
 214
 215         if (combo->arrow->allocation.height != requisition->height)
 216                 gtk_widget_set_size_request(combo->arrow,
 217                                             -1, requisition->height);
 218 }
 219
 220 static void combo_button_enter(GtkWidget *widget, gpointer data)
 221 {
 222         ComboButton *combo = (ComboButton *)data;
 223
 224         if (GTK_WIDGET_STATE(combo->arrow) != GTK_STATE_PRELIGHT) {
 225                 gtk_widget_set_state(combo->arrow, GTK_STATE_PRELIGHT);
 226                 gtk_widget_queue_draw(combo->arrow);
 227         }
 228         if (GTK_WIDGET_STATE(combo->button) != GTK_STATE_PRELIGHT) {
 229                 gtk_widget_set_state(combo->button, GTK_STATE_PRELIGHT);
 230                 gtk_widget_queue_draw(combo->button);
 231         }
 232 }
 233
 234 static void combo_button_leave(GtkWidget *widget, gpointer data)
 235 {
 236         ComboButton *combo = (ComboButton *)data;
 237
 238         if (GTK_WIDGET_STATE(combo->arrow) != GTK_STATE_NORMAL) {
 239                 gtk_widget_set_state(combo->arrow, GTK_STATE_NORMAL);
 240                 gtk_widget_queue_draw(combo->arrow);
 241         }
 242         if (GTK_WIDGET_STATE(combo->button) != GTK_STATE_NORMAL) {
 243                 gtk_widget_set_state(combo->button, GTK_STATE_NORMAL);
 244                 gtk_widget_queue_draw(combo->button);
 245         }
 246 }
 247
 248 static gint combo_button_arrow_pressed(GtkWidget *widget, GdkEventButton *event,
 249                                        gpointer data)
 250 {
 251         ComboButton *combo = (ComboButton *)data;
 252
 253         if (!event) return FALSE;
 254
 255         gtk_menu_popup(GTK_MENU(combo->menu), NULL, NULL,
 256                        menu_button_position, combo->button,
 257                        event->button, event->time);
 258
 259         return FALSE;
 260 }
 261
 262 static void combo_button_destroy(GtkWidget *widget, gpointer data)
 263 {
 264         ComboButton *combo = (ComboButton *)data;
 265
 266         gtk_object_destroy(GTK_OBJECT(combo->factory));
 267         g_free(combo);
 268 }
 269
 270 ComboButton *gtkut_combo_button_create(GtkWidget *button,
 271                                        GtkItemFactoryEntry *entries,
 272                                        gint n_entries, const gchar *path,
 273                                        gpointer data)
 274 {
 275         ComboButton *combo;
 276         GtkWidget *arrow;
 277
 278         combo = g_new0(ComboButton, 1);
 279
 280         combo->arrow = gtk_button_new();
 281         arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 282         gtk_widget_set_size_request(arrow, 7, -1);
 283         gtk_container_add(GTK_CONTAINER(combo->arrow), arrow);
 284         GTK_WIDGET_UNSET_FLAGS(combo->arrow, GTK_CAN_FOCUS);
 285         gtk_widget_show_all(combo->arrow);
 286
 287         combo->button = button;
 288         combo->menu = menu_create_items(entries, n_entries, path,
 289                                         &combo->factory, data);
 290         combo->data = data;
 291
 292         g_signal_connect(G_OBJECT(combo->button), "size_request",
 293                          G_CALLBACK(combo_button_size_request), combo);
 294         g_signal_connect(G_OBJECT(combo->button), "enter",
 295                          G_CALLBACK(combo_button_enter), combo);
 296         g_signal_connect(G_OBJECT(combo->button), "leave",
 297                          G_CALLBACK(combo_button_leave), combo);
 298         g_signal_connect(G_OBJECT(combo->arrow), "enter",
 299                          G_CALLBACK(combo_button_enter), combo);
 300         g_signal_connect(G_OBJECT(combo->arrow), "leave",
 301                          G_CALLBACK(combo_button_leave), combo);
 302         g_signal_connect(G_OBJECT(combo->arrow), "button_press_event",
 303                          G_CALLBACK(combo_button_arrow_pressed), combo);
 304         g_signal_connect(G_OBJECT(combo->arrow), "destroy",
 305                          G_CALLBACK(combo_button_destroy), combo);
 306
 307         return combo;
 308 }
 309
 310 #define CELL_SPACING 1
 311 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
 312                                     (((row) + 1) * CELL_SPACING) + \
 313                                     (clist)->voffset)
 314 #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
 315                                    ((clist)->row_height + CELL_SPACING))
 316
 317 void gtkut_ctree_node_move_if_on_the_edge(GtkCTree *ctree, GtkCTreeNode *node, gint _row)
 318 {
 319         GtkCList *clist = GTK_CLIST(ctree);
 320         gint row;
 321         GtkVisibility row_visibility, prev_row_visibility, next_row_visibility;
 322
 323         g_return_if_fail(ctree != NULL);
 324         g_return_if_fail(node != NULL);
 325
 326         row = (_row != -1 ? _row : g_list_position(clist->row_list, (GList *)node));
 327
 328         if (row < 0 || row >= clist->rows || clist->row_height == 0) return;
 329         row_visibility = gtk_clist_row_is_visible(clist, row);
 330         prev_row_visibility = gtk_clist_row_is_visible(clist, row - 1);
 331         next_row_visibility = gtk_clist_row_is_visible(clist, row + 1);
 332
 333         if (row_visibility == GTK_VISIBILITY_NONE) {
 334                 gtk_clist_moveto(clist, row, -1, 0.5, 0);
 335                 return;
 336         }
 337         if (row_visibility == GTK_VISIBILITY_FULL &&
 338             prev_row_visibility == GTK_VISIBILITY_FULL &&
 339             next_row_visibility == GTK_VISIBILITY_FULL)
 340                 return;
 341         if (prev_row_visibility != GTK_VISIBILITY_FULL &&
 342             next_row_visibility != GTK_VISIBILITY_FULL)
 343                 return;
 344
 345         if (prev_row_visibility != GTK_VISIBILITY_FULL) {
 346                 gtk_clist_moveto(clist, row, -1, 0.2, 0);
 347                 return;
 348         }
 349         if (next_row_visibility != GTK_VISIBILITY_FULL) {
 350                 gtk_clist_moveto(clist, row, -1, 0.8, 0);
 351                 return;
 352         }
 353 }
 354
 355 #undef CELL_SPACING
 356 #undef ROW_TOP_YPIXEL
 357 #undef ROW_FROM_YPIXEL
 358
 359 gint gtkut_ctree_get_nth_from_node(GtkCTree *ctree, GtkCTreeNode *node)
 360 {
 361         g_return_val_if_fail(ctree != NULL, -1);
 362         g_return_val_if_fail(node != NULL, -1);
 363
 364         return g_list_position(GTK_CLIST(ctree)->row_list, (GList *)node);
 365 }
 366
 367 /* get the next node, including the invisible one */
 368 GtkCTreeNode *gtkut_ctree_node_next(GtkCTree *ctree, GtkCTreeNode *node)
 369 {
 370         GtkCTreeNode *parent;
 371
 372         if (!node) return NULL;
 373
 374         if (GTK_CTREE_ROW(node)->children)
 375                 return GTK_CTREE_ROW(node)->children;
 376
 377         if (GTK_CTREE_ROW(node)->sibling)
 378                 return GTK_CTREE_ROW(node)->sibling;
 379
 380         for (parent = GTK_CTREE_ROW(node)->parent; parent != NULL;
 381              parent = GTK_CTREE_ROW(parent)->parent) {
 382                 if (GTK_CTREE_ROW(parent)->sibling)
 383                         return GTK_CTREE_ROW(parent)->sibling;
 384         }
 385
 386         return NULL;
 387 }
 388
 389 /* get the previous node, including the invisible one */
 390 GtkCTreeNode *gtkut_ctree_node_prev(GtkCTree *ctree, GtkCTreeNode *node)
 391 {
 392         GtkCTreeNode *prev;
 393         GtkCTreeNode *child;
 394
 395         if (!node) return NULL;
 396
 397         prev = GTK_CTREE_NODE_PREV(node);
 398         if (prev == GTK_CTREE_ROW(node)->parent)
 399                 return prev;
 400
 401         child = prev;
 402         while (GTK_CTREE_ROW(child)->children != NULL) {
 403                 child = GTK_CTREE_ROW(child)->children;
 404                 while (GTK_CTREE_ROW(child)->sibling != NULL)
 405                         child = GTK_CTREE_ROW(child)->sibling;
 406         }
 407
 408         return child;
 409 }
 410
 411 gboolean gtkut_ctree_node_is_selected(GtkCTree *ctree, GtkCTreeNode *node)
 412 {
 413         GtkCList *clist = GTK_CLIST(ctree);
 414         GList *cur;
 415
 416         for (cur = clist->selection; cur != NULL; cur = cur->next) {
 417                 if (node == GTK_CTREE_NODE(cur->data))
 418                         return TRUE;
 419         }
 420
 421         return FALSE;
 422 }
 423
 424 GtkCTreeNode *gtkut_ctree_find_collapsed_parent(GtkCTree *ctree,
 425                                                 GtkCTreeNode *node)
 426 {
 427         if (!node) return NULL;
 428
 429         while ((node = GTK_CTREE_ROW(node)->parent) != NULL) {
 430                 if (!GTK_CTREE_ROW(node)->expanded)
 431                         return node;
 432         }
 433
 434         return NULL;
 435 }
 436
 437 void gtkut_ctree_expand_parent_all(GtkCTree *ctree, GtkCTreeNode *node)
 438 {
 439         while ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
 440                 gtk_ctree_expand(ctree, node);
 441 }
 442
 443 gboolean gtkut_ctree_node_is_parent(GtkCTreeNode *parent, GtkCTreeNode *node)
 444 {
 445         GtkCTreeNode *tmp;
 446         g_return_val_if_fail(node != NULL, FALSE);
 447         g_return_val_if_fail(parent != NULL, FALSE);
 448         tmp = node;
 449
 450         while (tmp) {
 451                 if(GTK_CTREE_ROW(tmp)->parent && GTK_CTREE_ROW(tmp)->parent == parent)
 452                         return TRUE;
 453                 tmp = GTK_CTREE_ROW(tmp)->parent;
 454         }
 455
 456         return FALSE;
 457 }
 458
 459 void gtkut_ctree_set_focus_row(GtkCTree *ctree, GtkCTreeNode *node)
 460 {
 461         if (node == NULL)
 462                 return;
 463         gtkut_clist_set_focus_row(GTK_CLIST(ctree),
 464                                   gtkut_ctree_get_nth_from_node(ctree, node));
 465 }
 466
 467 void gtkut_clist_set_focus_row(GtkCList *clist, gint row)
 468 {
 469         clist->focus_row = row;
 470         GTKUT_CTREE_REFRESH(clist);
 471 }
 472
 473 void gtkut_combo_set_items(GtkCombo *combo, const gchar *str1, ...)
 474 {
 475         va_list args;
 476         gchar *s;
 477         GList *combo_items = NULL;
 478
 479         g_return_if_fail(str1 != NULL);
 480
 481         combo_items = g_list_append(combo_items, (gpointer)str1);
 482         va_start(args, str1);
 483         s = va_arg(args, gchar*);
 484         while (s) {
 485                 combo_items = g_list_append(combo_items, (gpointer)s);
 486                 s = va_arg(args, gchar*);
 487         }
 488         va_end(args);
 489
 490         gtk_combo_set_popdown_strings(combo, combo_items);
 491
 492         g_list_free(combo_items);
 493 }
 494
 495 gchar *gtkut_editable_get_selection(GtkEditable *editable)
 496 {
 497         guint start_pos, end_pos;
 498         gboolean found;
 499
 500         g_return_val_if_fail(GTK_IS_EDITABLE(editable), NULL);
 501
 502         found = gtk_editable_get_selection_bounds(editable,
 503                                                   &start_pos, &end_pos);
 504         if (found)
 505                 return gtk_editable_get_chars(editable, start_pos, end_pos);
 506         else
 507                 return NULL;
 508 }
 509
 510 void gtkut_editable_disable_im(GtkEditable *editable)
 511 {
 512         g_return_if_fail(editable != NULL);
 513
 514 #if USE_XIM
 515         if (editable->ic) {
 516                 gdk_ic_destroy(editable->ic);
 517                 editable->ic = NULL;
 518         }
 519         if (editable->ic_attr) {
 520                 gdk_ic_attr_destroy(editable->ic_attr);
 521                 editable->ic_attr = NULL;
 522         }
 523 #endif
 524 }
 525
 526 void gtkut_container_remove(GtkContainer *container, GtkWidget *widget)
 527 {
 528         gtk_container_remove(container, widget);
 529 }
 530
 531 gboolean gtkut_text_buffer_match_string(GtkTextBuffer *textbuf,
 532                                         const GtkTextIter *iter,
 533                                         gunichar *wcs, gint len,
 534                                         gboolean case_sens)
 535 {
 536         GtkTextIter start_iter, end_iter;
 537         gchar *utf8str, *p;
 538         gint match_count;
 539
 540         start_iter = end_iter = *iter;
 541         gtk_text_iter_forward_chars(&end_iter, len);
 542
 543         utf8str = gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter,
 544                                            FALSE);
 545         if (!utf8str) return FALSE;
 546
 547         if ((gint)g_utf8_strlen(utf8str, -1) != len) {
 548                 g_free(utf8str);
 549                 return FALSE;
 550         }
 551
 552         for (p = utf8str, match_count = 0;
 553              *p != '\0' && match_count < len;
 554              p = g_utf8_next_char(p), match_count++) {
 555                 gunichar wc;
 556
 557                 wc = g_utf8_get_char(p);
 558
 559                 if (case_sens) {
 560                         if (wc != wcs[match_count])
 561                                 break;
 562                 } else {
 563                         if (g_unichar_tolower(wc) !=
 564                             g_unichar_tolower(wcs[match_count]))
 565                                 break;
 566                 }
 567         }
 568
 569         g_free(utf8str);
 570
 571         if (match_count == len)
 572                 return TRUE;
 573         else
 574                 return FALSE;
 575 }
 576
 577 gboolean gtkut_text_buffer_find(GtkTextBuffer *buffer, 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",
 591                           error->message);
 592                 g_error_free(error);
 593         }
 594         if (!wcs || items_written <= 0) return FALSE;
 595         len = (gint)items_written;
 596
 597         iter_ = *iter;
 598         do {
 599                 found = gtkut_text_buffer_match_string
 600                         (buffer, &iter_, wcs, len, case_sens);
 601                 if (found) {
 602                         *match_pos = iter_;
 603                         break;
 604                 }
 605         } while (gtk_text_iter_forward_char(&iter_));
 606
 607         g_free(wcs);
 608
 609         return found;
 610 }
 611
 612 gboolean gtkut_text_buffer_find_backward(GtkTextBuffer *buffer,
 613                                          const GtkTextIter *iter,
 614                                          const gchar *str, gboolean case_sens,
 615                                          GtkTextIter *match_pos)
 616 {
 617         gunichar *wcs;
 618         gint len;
 619         glong items_read = 0, items_written = 0;
 620         GError *error = NULL;
 621         GtkTextIter iter_;
 622         gboolean found = FALSE;
 623
 624         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 625         if (error != NULL) {
 626                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n", error->message);
 627                 g_error_free(error);
 628         }
 629         if (!wcs || items_written <= 0) return FALSE;
 630         len = (gint)items_written;
 631
 632         iter_ = *iter;
 633         while (gtk_text_iter_backward_char(&iter_)) {
 634                 found = gtkut_text_buffer_match_string
 635                         (buffer, &iter_, wcs, len, case_sens);
 636                 if (found) {
 637                         *match_pos = iter_;
 638                         break;
 639                 }
 640         }
 641
 642         g_free(wcs);
 643
 644         return found;
 645 }
 646
 647 gchar *gtkut_text_view_get_selection(GtkTextView *textview)
 648 {
 649         GtkTextBuffer *buffer;
 650         GtkTextIter start_iter, end_iter;
 651         gboolean found;
 652
 653         g_return_val_if_fail(GTK_IS_TEXT_VIEW(textview), NULL);
 654
 655         buffer = gtk_text_view_get_buffer(textview);
 656         found = gtk_text_buffer_get_selection_bounds(buffer,
 657                                                      &start_iter,
 658                                                      &end_iter);
 659         if (found)
 660                 return gtk_text_buffer_get_text(buffer, &start_iter, &end_iter,
 661                                                 FALSE);
 662         else
 663                 return NULL;
 664 }
 665
 666
 667 void gtkut_text_view_set_position(GtkTextView *text, gint pos)
 668 {
 669         GtkTextBuffer *buffer;
 670         GtkTextIter iter;
 671
 672         g_return_if_fail(text != NULL);
 673
 674         buffer = gtk_text_view_get_buffer(text);
 675
 676         gtk_text_buffer_get_iter_at_offset(buffer, &iter, pos);
 677         gtk_text_buffer_place_cursor(buffer, &iter);
 678         gtk_text_view_scroll_to_iter(text, &iter, 0.0, FALSE, 0.0, 0.0);
 679 }
 680
 681 gboolean gtkut_text_view_search_string(GtkTextView *text, const gchar *str,
 682                                         gboolean case_sens)
 683 {
 684         GtkTextBuffer *buffer;
 685         GtkTextIter iter, match_pos;
 686         GtkTextMark *mark;
 687         gint len;
 688
 689         g_return_val_if_fail(text != NULL, FALSE);
 690         g_return_val_if_fail(str != NULL, FALSE);
 691
 692         buffer = gtk_text_view_get_buffer(text);
 693
 694         len = g_utf8_strlen(str, -1);
 695         g_return_val_if_fail(len >= 0, FALSE);
 696
 697         mark = gtk_text_buffer_get_insert(buffer);
 698         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
 699
 700         if (gtkut_text_buffer_find(buffer, &iter, str, case_sens,
 701                                    &match_pos)) {
 702                 GtkTextIter end = match_pos;
 703
 704                 gtk_text_iter_forward_chars(&end, len);
 705                 /* place "insert" at the last character */
 706                 gtk_text_buffer_select_range(buffer, &end, &match_pos);
 707                 gtk_text_view_scroll_to_mark(text, mark, 0.0, FALSE, 0.0, 0.0);
 708                 return TRUE;
 709         }
 710
 711         return FALSE;
 712 }
 713
 714 gboolean gtkut_text_view_search_string_backward(GtkTextView *text, const gchar *str,
 715                                         gboolean case_sens)
 716 {
 717         GtkTextBuffer *buffer;
 718         GtkTextIter iter, match_pos;
 719         GtkTextMark *mark;
 720         gint len;
 721
 722         g_return_val_if_fail(text != NULL, FALSE);
 723         g_return_val_if_fail(str != NULL, FALSE);
 724
 725         buffer = gtk_text_view_get_buffer(text);
 726
 727         len = g_utf8_strlen(str, -1);
 728         g_return_val_if_fail(len >= 0, FALSE);
 729
 730         mark = gtk_text_buffer_get_insert(buffer);
 731         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
 732
 733         if (gtkut_text_buffer_find_backward(buffer, &iter, str, case_sens,
 734                                             &match_pos)) {
 735                 GtkTextIter end = match_pos;
 736
 737                 gtk_text_iter_forward_chars(&end, len);
 738                 gtk_text_buffer_select_range(buffer, &match_pos, &end);
 739                 gtk_text_view_scroll_to_mark(text, mark, 0.0, FALSE, 0.0, 0.0);
 740                 return TRUE;
 741         }
 742
 743         return FALSE;
 744 }
 745
 746 void gtkut_window_popup(GtkWidget *window)
 747 {
 748         gint x, y, sx, sy, new_x, new_y;
 749
 750         g_return_if_fail(window != NULL);
 751         g_return_if_fail(window->window != NULL);
 752
 753         sx = gdk_screen_width();
 754         sy = gdk_screen_height();
 755
 756         gdk_window_get_origin(window->window, &x, &y);
 757         new_x = x % sx; if (new_x < 0) new_x = 0;
 758         new_y = y % sy; if (new_y < 0) new_y = 0;
 759         if (new_x != x || new_y != y)
 760                 gdk_window_move(window->window, new_x, new_y);
 761
 762         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(window), FALSE);
 763 #if GTK_CHECK_VERSION(2,8,0)
 764         gtk_window_present_with_time(GTK_WINDOW(window), time(NULL));
 765 #else
 766         gtk_window_present(GTK_WINDOW(window));
 767 #endif
 768 }
 769
 770 void gtkut_widget_get_uposition(GtkWidget *widget, gint *px, gint *py)
 771 {
 772         gint x, y;
 773         gint sx, sy;
 774
 775         g_return_if_fail(widget != NULL);
 776         g_return_if_fail(widget->window != NULL);
 777
 778         sx = gdk_screen_width();
 779         sy = gdk_screen_height();
 780
 781         /* gdk_window_get_root_origin ever return *rootwindow*'s position */
 782         gdk_window_get_root_origin(widget->window, &x, &y);
 783
 784         x %= sx; if (x < 0) x = 0;
 785         y %= sy; if (y < 0) y = 0;
 786         *px = x;
 787         *py = y;
 788 }
 789
 790 void gtkut_widget_draw_now(GtkWidget *widget)
 791 {
 792         if (widget && GTK_WIDGET_VISIBLE(widget) && GTK_WIDGET_DRAWABLE(widget))
 793                 gdk_window_process_updates(widget->window, FALSE);
 794 }
 795
 796 static void gtkut_clist_bindings_add(GtkWidget *clist)
 797 {
 798         GtkBindingSet *binding_set;
 799
 800         binding_set = gtk_binding_set_by_class
 801                 (GTK_CLIST_GET_CLASS(clist));
 802
 803         gtk_binding_entry_add_signal(binding_set, GDK_n, GDK_CONTROL_MASK,
 804                                      "scroll_vertical", 2,
 805                                      G_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 806                                      G_TYPE_FLOAT, 0.0);
 807         gtk_binding_entry_add_signal(binding_set, GDK_p, GDK_CONTROL_MASK,
 808                                      "scroll_vertical", 2,
 809                                      G_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 810                                      G_TYPE_FLOAT, 0.0);
 811 }
 812
 813 void gtkut_widget_init(void)
 814 {
 815         GtkWidget *clist;
 816
 817         clist = gtk_clist_new(1);
 818         gtk_object_ref(GTK_OBJECT(clist));
 819         gtk_object_sink(GTK_OBJECT(clist));
 820         gtkut_clist_bindings_add(clist);
 821         gtk_object_unref(GTK_OBJECT(clist));
 822
 823         clist = gtk_ctree_new(1, 0);
 824         gtk_object_ref(GTK_OBJECT(clist));
 825         gtk_object_sink(GTK_OBJECT(clist));
 826         gtkut_clist_bindings_add(clist);
 827         gtk_object_unref(GTK_OBJECT(clist));
 828
 829         clist = gtk_sctree_new_with_titles(1, 0, NULL);
 830         gtk_object_ref(GTK_OBJECT(clist));
 831         gtk_object_sink(GTK_OBJECT(clist));
 832         gtkut_clist_bindings_add(clist);
 833         gtk_object_unref(GTK_OBJECT(clist));
 834 }
 835
 836 void gtkut_widget_set_app_icon(GtkWidget *widget)
 837 {
 838 #include "pixmaps/claws-mail.xpm"
 839         static GdkPixmap *sylpheedclawsxpm;
 840         static GdkBitmap *sylpheedclawsxpmmask;
 841
 842         g_return_if_fail(widget != NULL);
 843         g_return_if_fail(widget->window != NULL);
 844         if (!sylpheedclawsxpm) {
 845                 PIXMAP_CREATE(widget, sylpheedclawsxpm, sylpheedclawsxpmmask,
 846                               claws_mail_xpm);
 847         }
 848         gdk_window_set_icon(widget->window, NULL, sylpheedclawsxpm, sylpheedclawsxpmmask);
 849 }
 850
 851 void gtkut_widget_set_composer_icon(GtkWidget *widget)
 852 {
 853         static GdkPixmap *xpm;
 854         static GdkBitmap *bmp;
 855
 856         g_return_if_fail(widget != NULL);
 857         g_return_if_fail(widget->window != NULL);
 858         if (!xpm) {
 859                 stock_pixmap_gdk(widget, STOCK_PIXMAP_MAIL_COMPOSE, &xpm, &bmp);
 860         }
 861         gdk_window_set_icon(widget->window, NULL, xpm, bmp);
 862 }
 863
 864 static gboolean move_bar = FALSE;
 865 static gint move_bar_id = -1;
 866
 867 static gboolean move_bar_cb(gpointer data)
 868 {
 869         GtkWidget *w = (GtkWidget *)data;
 870         if (!move_bar)
 871                 return FALSE;
 872
 873         if (!GTK_IS_PROGRESS_BAR(w)) {
 874                 return FALSE;
 875         }
 876
 877         gtk_progress_bar_pulse(GTK_PROGRESS_BAR(w));
 878         GTK_EVENTS_FLUSH();
 879         return TRUE;
 880 }
 881
 882 GtkWidget *label_window_create(const gchar *str)
 883 {
 884         GtkWidget *window;
 885         GtkWidget *label, *vbox, *hbox;
 886         GtkWidget *wait_progress = gtk_progress_bar_new();
 887
 888         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "gtkutils");
 889         gtk_widget_set_size_request(window, 380, 70);
 890         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 891         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 892         gtk_window_set_title(GTK_WINDOW(window), str);
 893         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 894         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 895         manage_window_set_transient(GTK_WINDOW(window));
 896
 897         label = gtk_label_new(str);
 898
 899         vbox = gtk_vbox_new(FALSE, 6);
 900         hbox = gtk_hbox_new(FALSE, 6);
 901         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, FALSE, 0);
 902         gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, FALSE, 0);
 903         hbox = gtk_hbox_new(FALSE, 6);
 904         gtk_box_pack_start(GTK_BOX(hbox), wait_progress, TRUE, FALSE, 0);
 905         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 906
 907         gtk_container_add(GTK_CONTAINER(window), vbox);
 908         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 909         gtk_misc_set_alignment(GTK_MISC(label), 0.5, 0.5);
 910         gtk_widget_show_all(vbox);
 911
 912         gtk_widget_show_now(window);
 913
 914         if (move_bar_id == -1) {
 915                 move_bar_id = g_timeout_add(200, move_bar_cb, wait_progress);
 916                 move_bar = TRUE;
 917         }
 918
 919         GTK_EVENTS_FLUSH();
 920
 921         return window;
 922 }
 923
 924 void label_window_destroy(GtkWidget *window)
 925 {
 926         move_bar = FALSE;
 927         g_source_remove(move_bar_id);
 928         move_bar_id = -1;
 929         GTK_EVENTS_FLUSH();
 930         gtk_widget_destroy(window);
 931 }
 932
 933 GtkWidget *gtkut_account_menu_new(GList                 *ac_list,
 934                                         GCallback               callback,
 935                                   gpointer              data)
 936 {
 937         GList *cur_ac;
 938         GtkWidget *optmenu;
 939         GtkListStore *menu;
 940         GtkTreeIter iter;
 941         PrefsAccount *account;
 942         gchar *name;
 943
 944         g_return_val_if_fail(ac_list != NULL, NULL);
 945
 946         optmenu = gtkut_sc_combobox_create(NULL, FALSE);
 947         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(optmenu)));
 948
 949         for (cur_ac = ac_list; cur_ac != NULL; cur_ac = cur_ac->next) {
 950                 account = (PrefsAccount *) cur_ac->data;
 951                 if (account->name)
 952                         name = g_strdup_printf("%s: %s <%s>",
 953                                                account->account_name,
 954                                                account->name,
 955                                                account->address);
 956                 else
 957                         name = g_strdup_printf("%s: %s",
 958                                                account->account_name,
 959                                                account->address);
 960                 COMBOBOX_ADD_ESCAPED(menu, name, account->account_id);
 961                 g_free(name);
 962         }
 963         gtk_combo_box_set_active(GTK_COMBO_BOX(optmenu), 0);
 964
 965         if( callback != NULL )
 966                 g_signal_connect(G_OBJECT(optmenu), "changed", callback, data);
 967
 968         return optmenu;
 969 }
 970
 971 void gtkut_set_widget_bgcolor_rgb(GtkWidget *widget, guint rgbvalue)
 972 {
 973         GtkStyle *newstyle;
 974         GdkColor gdk_color;
 975
 976         gtkut_convert_int_to_gdk_color(rgbvalue, &gdk_color);
 977         newstyle = gtk_style_copy(gtk_widget_get_default_style());
 978         newstyle->bg[GTK_STATE_NORMAL]   = gdk_color;
 979         newstyle->bg[GTK_STATE_PRELIGHT] = gdk_color;
 980         newstyle->bg[GTK_STATE_ACTIVE]   = gdk_color;
 981         gtk_widget_set_style(widget, newstyle);
 982 }
 983
 984 /*!
 985  *\brief        Tries to find a focused child using a lame strategy
 986  */
 987 GtkWidget *gtkut_get_focused_child(GtkContainer *parent)
 988 {
 989         GtkWidget *result = NULL;
 990         GList *child_list = NULL;
 991         GList *c;
 992
 993         g_return_val_if_fail(parent, NULL);
 994
 995         /* Get children list and see which has the focus. */
 996         child_list = gtk_container_get_children(parent);
 997         if (!child_list)
 998                 return NULL;
 999
1000         for (c = child_list; c != NULL; c = g_list_next(c)) {
1001                 if (c->data && GTK_IS_WIDGET(c->data)) {
1002                         if (GTK_WIDGET_HAS_FOCUS(GTK_WIDGET(c->data))) {
1003                                 result = GTK_WIDGET(c->data);
1004                                 break;
1005                         }
1006                 }
1007         }
1008
1009         /* See if the returned widget is a container itself; if it is,
1010          * see if one of its children is focused. If the focused
1011          * container has no focused child, it is itself a focusable
1012          * child, and has focus. */
1013         if (result && GTK_IS_CONTAINER(result)) {
1014                 GtkWidget *tmp =  gtkut_get_focused_child(GTK_CONTAINER(result));
1015
1016                 if (tmp)
1017                         result = tmp;
1018         } else {
1019                 /* Try the same for each container in the chain */
1020                 for (c = child_list; c != NULL && !result; c = g_list_next(c)) {
1021                         if (c->data && GTK_IS_WIDGET(c->data)
1022                         &&  GTK_IS_CONTAINER(c->data)) {
1023                                 result = gtkut_get_focused_child
1024                                         (GTK_CONTAINER(c->data));
1025                         }
1026                 }
1027
1028         }
1029
1030         g_list_free(child_list);
1031
1032         return result;
1033 }
1034
1035 /*!
1036  *\brief        Create a Browse (file) button based on GTK+ stock
1037  */
1038 GtkWidget *gtkut_get_browse_file_btn(const gchar *button_label)
1039 {
1040         GtkWidget *button;
1041
1042         button = gtk_button_new_with_mnemonic(button_label);
1043         gtk_button_set_image(GTK_BUTTON(button),
1044                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
1045
1046         return button;
1047 }
1048
1049 /*!
1050  *\brief        Create a Browse (directory) button based on GTK+ stock
1051  */
1052 GtkWidget *gtkut_get_browse_directory_btn(const gchar *button_label)
1053 {
1054         GtkWidget *button;
1055
1056         button = gtk_button_new_with_mnemonic(button_label);
1057         gtk_button_set_image(GTK_BUTTON(button),
1058                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
1059
1060         return button;
1061 }
1062
1063 GtkWidget *gtkut_get_replace_btn(const gchar *button_label)
1064 {
1065         GtkWidget *button;
1066
1067         button = gtk_button_new_with_mnemonic(button_label);
1068         gtk_button_set_image(GTK_BUTTON(button),
1069                 gtk_image_new_from_stock(GTK_STOCK_REFRESH, GTK_ICON_SIZE_BUTTON));
1070
1071         return button;
1072 }
1073
1074 /**
1075  * merge some part of code into one function : it creates a frame and add
1076  *      these into gtk box widget passed in param.
1077  * \param box gtk box where adding new created frame.
1078  * \param pframe pointer with which to assign the frame. If NULL, no pointer
1079  *      is assigned but the frame is anyway created and added to @box.
1080  * \param frame_label frame label of new created frame.
1081  */
1082 GtkWidget *gtkut_get_options_frame(GtkWidget *box, GtkWidget **pframe,
1083                 const gchar *frame_label)
1084 {
1085         GtkWidget *vbox;
1086         GtkWidget *frame;
1087
1088         frame = gtk_frame_new(frame_label);
1089         gtk_widget_show(frame);
1090         gtk_box_pack_start(GTK_BOX(box), frame, FALSE, TRUE, 0);
1091         gtk_frame_set_label_align(GTK_FRAME(frame), 0.01, 0.5);
1092
1093         vbox = gtk_vbox_new (FALSE, 4);
1094         gtk_widget_show(vbox);
1095         gtk_container_add(GTK_CONTAINER (frame), vbox);
1096         gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
1097
1098         if (pframe != NULL)
1099                 *pframe = frame;
1100
1101         return vbox;
1102 }
1103
1104 #if HAVE_LIBCOMPFACE
1105 static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
1106 {
1107         static gchar *bit_pattern[] = {
1108                 "....",
1109                 "...#",
1110                 "..#.",
1111                 "..##",
1112                 ".#..",
1113                 ".#.#",
1114                 ".##.",
1115                 ".###",
1116                 "#...",
1117                 "#..#",
1118                 "#.#.",
1119                 "#.##",
1120                 "##..",
1121                 "##.#",
1122                 "###.",
1123                 "####"
1124         };
1125
1126         static gchar *xface_header = "48 48 2 1";
1127         static gchar *xface_black  = "# c #000000";
1128         static gchar *xface_white  = ". c #ffffff";
1129
1130         gint i, line = 0;
1131         const guchar *p;
1132         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
1133
1134         p = xface;
1135
1136         strcpy(xpm[line++], xface_header);
1137         strcpy(xpm[line++], xface_black);
1138         strcpy(xpm[line++], xface_white);
1139
1140         for (i = 0; i < HEIGHT; i++) {
1141                 gint col;
1142
1143                 buf[0] = '\0';
1144
1145                 for (col = 0; col < 3; col++) {
1146                         gint figure;
1147
1148                         p += 2;  /* skip '0x' */
1149
1150                         for (figure = 0; figure < 4; figure++) {
1151                                 gint n = 0;
1152
1153                                 if ('0' <= *p && *p <= '9') {
1154                                         n = *p - '0';
1155                                 } else if ('a' <= *p && *p <= 'f') {
1156                                         n = *p - 'a' + 10;
1157                                 } else if ('A' <= *p && *p <= 'F') {
1158                                         n = *p - 'A' + 10;
1159                                 }
1160
1161                                 strcat(buf, bit_pattern[n]);
1162                                 p++;  /* skip ',' */
1163                         }
1164
1165                         p++;  /* skip '\n' */
1166                 }
1167
1168                 strcpy(xpm[line++], buf);
1169                 p++;
1170         }
1171
1172         return 0;
1173 }
1174 #endif
1175
1176 gboolean get_tag_range(GtkTextIter *iter,
1177                                        GtkTextTag *tag,
1178                                        GtkTextIter *start_iter,
1179                                        GtkTextIter *end_iter)
1180 {
1181         GtkTextIter _start_iter, _end_iter;
1182
1183         _end_iter = *iter;
1184         if (!gtk_text_iter_forward_to_tag_toggle(&_end_iter, tag)) {
1185                 debug_print("Can't find end");
1186                 return FALSE;
1187         }
1188
1189         _start_iter = _end_iter;
1190         if (!gtk_text_iter_backward_to_tag_toggle(&_start_iter, tag)) {
1191                 debug_print("Can't find start.");
1192                 return FALSE;
1193         }
1194
1195         *start_iter = _start_iter;
1196         *end_iter = _end_iter;
1197
1198         return TRUE;
1199 }
1200
1201 #if HAVE_LIBCOMPFACE
1202 GtkWidget *xface_get_from_header(const gchar *o_xface, GdkColor *background,
1203                                  GdkWindow *window)
1204 {
1205         static gchar *xpm_xface[XPM_XFACE_HEIGHT];
1206         static gboolean xpm_xface_init = TRUE;
1207         GdkPixmap *pixmap;
1208         GdkBitmap *mask;
1209         gchar xface[2048];
1210         strncpy(xface, o_xface, sizeof(xface));
1211
1212         if (!window) {
1213                 g_warning("no window\n");
1214                 return NULL;
1215         }
1216         if (uncompface(xface) < 0) {
1217                 g_warning("uncompface failed\n");
1218                 return NULL;
1219         }
1220
1221         if (xpm_xface_init) {
1222                 gint i;
1223
1224                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
1225                         xpm_xface[i] = g_malloc(WIDTH + 1);
1226                         *xpm_xface[i] = '\0';
1227                 }
1228                 xpm_xface_init = FALSE;
1229         }
1230
1231         create_xpm_from_xface(xpm_xface, xface);
1232
1233         pixmap = gdk_pixmap_create_from_xpm_d
1234                 (window, &mask,
1235                  background, xpm_xface);
1236         return gtk_image_new_from_pixbuf(
1237                 gdk_pixbuf_new_from_xpm_data((const char **)xpm_xface));
1238 }
1239 #endif
1240
1241 GtkWidget *face_get_from_header(const gchar *o_face)
1242 {
1243         gchar face[2048];
1244         gchar face_png[2048];
1245         gint pngsize;
1246         GdkPixbuf *pixbuf;
1247         GError *error = NULL;
1248         GdkPixbufLoader *loader = gdk_pixbuf_loader_new ();
1249         GtkWidget *image;
1250
1251         if (o_face == NULL || strlen(o_face) == 0)
1252                 return NULL;
1253
1254         strncpy2(face, o_face, sizeof(face));
1255
1256         unfold_line(face); /* strip all whitespace and linebreaks */
1257         remove_space(face);
1258
1259         pngsize = base64_decode(face_png, face, strlen(face));
1260
1261         if (!gdk_pixbuf_loader_write (loader, face_png, pngsize, &error) ||
1262             !gdk_pixbuf_loader_close (loader, &error)) {
1263                 g_warning("loading face failed\n");
1264                 g_object_unref(loader);
1265                 return NULL;
1266         }
1267
1268         pixbuf = g_object_ref(gdk_pixbuf_loader_get_pixbuf(loader));
1269
1270         g_object_unref(loader);
1271
1272         if ((gdk_pixbuf_get_width(pixbuf) != 48) || (gdk_pixbuf_get_height(pixbuf) != 48)) {
1273                 g_object_unref(pixbuf);
1274                 g_warning("wrong_size");
1275                 return NULL;
1276         }
1277
1278         image = gtk_image_new_from_pixbuf(pixbuf);
1279         g_object_unref(pixbuf);
1280         return image;
1281 }
1282
1283 static GdkCursor *hand_cursor = NULL;
1284
1285 static void link_btn_enter(GtkButton *button, gpointer data)
1286 {
1287         GtkWidget *window = (GtkWidget *)data;
1288
1289         if (!hand_cursor)
1290                 hand_cursor = gdk_cursor_new(GDK_HAND2);
1291         if (window && window->window)
1292                 gdk_window_set_cursor(window->window, hand_cursor);
1293
1294         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1295         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1296
1297 }
1298
1299 static void link_btn_leave(GtkButton *button, gpointer data)
1300 {
1301         GtkWidget *window = (GtkWidget *)data;
1302
1303         if (window && window->window)
1304                 gdk_window_set_cursor(window->window, NULL);
1305
1306         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1307         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1308 }
1309
1310 static void link_btn_pressed(GtkButton *button, gpointer data)
1311 {
1312         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1313         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1314 }
1315
1316 static void link_btn_released(GtkButton *button, gpointer data)
1317 {
1318         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1319         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1320 }
1321
1322 static void link_btn_clicked(GtkButton *button, gpointer data)
1323 {
1324         gchar *url = (gchar *)data;
1325         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1326         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1327         open_uri(url, prefs_common.uri_cmd);
1328 }
1329
1330 static void link_btn_unrealize(GtkButton *button, gpointer data)
1331 {
1332         gchar *url = (gchar *)data;
1333         g_signal_handlers_disconnect_by_func(G_OBJECT(button),
1334                          G_CALLBACK(link_btn_clicked), url);
1335         g_free(url);
1336 }
1337
1338 GtkWidget *gtkut_get_link_btn(GtkWidget *window, const gchar *url, const gchar *label)
1339 {
1340         GtkWidget *btn;
1341         GtkWidget *btn_label;
1342         GdkColormap *cmap;
1343         GdkColor uri_color[2] = {{0, 0, 0, 0xffff}, {0, 0xffff, 0, 0}};
1344         gboolean success[2];
1345         gchar *local_url = NULL;
1346         if (!url)
1347                 return NULL;
1348
1349         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1350                                                &uri_color[0]);
1351         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1352                                                &uri_color[1]);
1353
1354         btn = gtk_button_new_with_label(label?label:url);
1355         gtk_button_set_relief(GTK_BUTTON(btn), GTK_RELIEF_NONE);
1356         btn_label = GTK_BIN(btn)->child;
1357         cmap = gdk_drawable_get_colormap(window->window);
1358         gdk_colormap_alloc_colors(cmap, uri_color, 2, FALSE, TRUE, success);
1359         if (success[0] == TRUE && success[1] == TRUE) {
1360                 GtkStyle *style;
1361                 gtk_widget_ensure_style(btn_label);
1362                 style = gtk_style_copy
1363                         (gtk_widget_get_style(btn_label));
1364                 style->fg[GTK_STATE_NORMAL]   = uri_color[0];
1365                 style->fg[GTK_STATE_ACTIVE]   = uri_color[1];
1366                 style->fg[GTK_STATE_PRELIGHT] = uri_color[0];
1367                 gtk_widget_set_style(btn_label, style);
1368         } else
1369                 g_warning("about_create(): color allocation failed.\n");
1370
1371         g_signal_connect(G_OBJECT(btn), "enter",
1372                          G_CALLBACK(link_btn_enter), window);
1373         g_signal_connect(G_OBJECT(btn), "leave",
1374                          G_CALLBACK(link_btn_leave), window);
1375         g_signal_connect(G_OBJECT(btn), "pressed",
1376                          G_CALLBACK(link_btn_pressed), window);
1377         g_signal_connect(G_OBJECT(btn), "released",
1378                          G_CALLBACK(link_btn_released), window);
1379
1380         local_url = g_strdup(url);
1381         g_signal_connect(G_OBJECT(btn), "clicked",
1382                          G_CALLBACK(link_btn_clicked), local_url);
1383         g_signal_connect(G_OBJECT(btn), "unrealize",
1384                          G_CALLBACK(link_btn_unrealize), local_url);
1385         return btn;
1386 }
1387
1388 static gboolean _combobox_separator_func(GtkTreeModel *model,
1389                 GtkTreeIter *iter, gpointer data)
1390 {
1391         gchar *txt = NULL;
1392
1393         g_return_val_if_fail(model != NULL, FALSE);
1394
1395         gtk_tree_model_get(model, iter, COMBOBOX_TEXT, &txt, -1);
1396
1397         if( txt == NULL )
1398                 return TRUE;
1399         return FALSE;
1400 }
1401
1402 GtkWidget *gtkut_sc_combobox_create(GtkWidget *eventbox, gboolean focus_on_click)
1403 {
1404         GtkWidget *combobox;
1405         GtkListStore *menu;
1406         GtkCellRenderer *rend;
1407
1408         menu = gtk_list_store_new(3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_BOOLEAN);
1409
1410         combobox = gtk_combo_box_new_with_model(GTK_TREE_MODEL(menu));
1411
1412         rend = gtk_cell_renderer_text_new();
1413         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combobox), rend, TRUE);
1414         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combobox), rend,
1415                         "markup", COMBOBOX_TEXT,
1416                         "sensitive", COMBOBOX_SENS,
1417                         NULL);
1418
1419         if( eventbox != NULL )
1420                 gtk_container_add(GTK_CONTAINER(eventbox), combobox);
1421 #if GTK_CHECK_VERSION(2,6,0)
1422         gtk_combo_box_set_focus_on_click(GTK_COMBO_BOX(combobox), focus_on_click);
1423 #endif
1424
1425         gtk_combo_box_set_row_separator_func(GTK_COMBO_BOX(combobox),
1426                         (GtkTreeViewRowSeparatorFunc)_combobox_separator_func, NULL, NULL);
1427
1428         return combobox;
1429 }
1430
1431 static void gtkutils_smooth_scroll_do(GtkWidget *widget, GtkAdjustment *vadj,
1432                                       gfloat old_value, gfloat last_value,
1433                                       gint step)
1434 {
1435         gint change_value;
1436         gboolean up;
1437         gint i;
1438
1439         if (old_value < last_value) {
1440                 change_value = last_value - old_value;
1441                 up = FALSE;
1442         } else {
1443                 change_value = old_value - last_value;
1444                 up = TRUE;
1445         }
1446
1447         for (i = step; i <= change_value; i += step) {
1448                 vadj->value = old_value + (up ? -i : i);
1449                 g_signal_emit_by_name(G_OBJECT(vadj),
1450                                       "value_changed", 0);
1451         }
1452
1453         vadj->value = last_value;
1454         g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0);
1455
1456         gtk_widget_queue_draw(widget);
1457 }
1458
1459 static gboolean gtkutils_smooth_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1460 {
1461         gfloat upper;
1462         gfloat page_incr;
1463         gfloat old_value;
1464         gfloat last_value;
1465
1466         if (prefs_common.scroll_halfpage)
1467                 page_incr = vadj->page_increment / 2;
1468         else
1469                 page_incr = vadj->page_increment;
1470
1471         if (!up) {
1472                 upper = vadj->upper - vadj->page_size;
1473                 if (vadj->value < upper) {
1474                         old_value = vadj->value;
1475                         last_value = vadj->value + page_incr;
1476                         last_value = MIN(last_value, upper);
1477
1478                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1479                                                   last_value,
1480                                                   prefs_common.scroll_step);
1481                 } else
1482                         return FALSE;
1483         } else {
1484                 if (vadj->value > 0.0) {
1485                         old_value = vadj->value;
1486                         last_value = vadj->value - page_incr;
1487                         last_value = MAX(last_value, 0.0);
1488
1489                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1490                                                   last_value,
1491                                                   prefs_common.scroll_step);
1492                 } else
1493                         return FALSE;
1494         }
1495
1496         return TRUE;
1497 }
1498
1499 gboolean gtkutils_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1500 {
1501         gfloat upper;
1502         gfloat page_incr;
1503
1504         if (prefs_common.enable_smooth_scroll)
1505                 return gtkutils_smooth_scroll_page(widget, vadj, up);
1506
1507         if (prefs_common.scroll_halfpage)
1508                 page_incr = vadj->page_increment / 2;
1509         else
1510                 page_incr = vadj->page_increment;
1511
1512         if (!up) {
1513                 upper = vadj->upper - vadj->page_size;
1514                 if (vadj->value < upper) {
1515                         vadj->value += page_incr;
1516                         vadj->value = MIN(vadj->value, upper);
1517                         g_signal_emit_by_name(G_OBJECT(vadj),
1518                                               "value_changed", 0);
1519                 } else
1520                         return FALSE;
1521         } else {
1522                 if (vadj->value > 0.0) {
1523                         vadj->value -= page_incr;
1524                         vadj->value = MAX(vadj->value, 0.0);
1525                         g_signal_emit_by_name(G_OBJECT(vadj),
1526                                               "value_changed", 0);
1527                 } else
1528                         return FALSE;
1529         }
1530         return TRUE;
1531 }
1532
1533 static void gtkutils_smooth_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1534 {
1535         gfloat upper;
1536         gfloat old_value;
1537         gfloat last_value;
1538
1539         if (!up) {
1540                 upper = vadj->upper - vadj->page_size;
1541                 if (vadj->value < upper) {
1542                         old_value = vadj->value;
1543                         last_value = vadj->value + vadj->step_increment;
1544                         last_value = MIN(last_value, upper);
1545
1546                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1547                                                   last_value,
1548                                                   prefs_common.scroll_step);
1549                 }
1550         } else {
1551                 if (vadj->value > 0.0) {
1552                         old_value = vadj->value;
1553                         last_value = vadj->value - vadj->step_increment;
1554                         last_value = MAX(last_value, 0.0);
1555
1556                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1557                                                   last_value,
1558                                                   prefs_common.scroll_step);
1559                 }
1560         }
1561 }
1562
1563 void gtkutils_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1564 {
1565         gfloat upper;
1566
1567         if (prefs_common.enable_smooth_scroll) {
1568                 gtkutils_smooth_scroll_one_line(widget, vadj, up);
1569                 return;
1570         }
1571
1572         if (!up) {
1573                 upper = vadj->upper - vadj->page_size;
1574                 if (vadj->value < upper) {
1575                         vadj->value += vadj->step_increment;
1576                         vadj->value = MIN(vadj->value, upper);
1577                         g_signal_emit_by_name(G_OBJECT(vadj),
1578                                               "value_changed", 0);
1579                 }
1580         } else {
1581                 if (vadj->value > 0.0) {
1582                         vadj->value -= vadj->step_increment;
1583                         vadj->value = MAX(vadj->value, 0.0);
1584                         g_signal_emit_by_name(G_OBJECT(vadj),
1585                                               "value_changed", 0);
1586                 }
1587         }
1588 }
1589
1590 gboolean gtkut_tree_model_text_iter_prev(GtkTreeModel *model,
1591                                  GtkTreeIter *iter,
1592                                  const gchar* text)
1593 /* do the same as gtk_tree_model_iter_next, but _prev instead.
1594    to use with widgets with one text column (gtk_combo_box_new_text()
1595    and with GtkComboBoxEntry's for instance),
1596 */
1597 {
1598         GtkTreeIter cur_iter;
1599         gchar *cur_value;
1600         gboolean valid;
1601         gint count;
1602
1603         g_return_val_if_fail(model != NULL, FALSE);
1604         g_return_val_if_fail(iter != NULL, FALSE);
1605
1606         if (text == NULL || *text == '\0')
1607                 return FALSE;
1608
1609         valid = gtk_tree_model_get_iter_first(model, &cur_iter);
1610         count = 0;
1611         while (valid) {
1612                 gtk_tree_model_get(model, &cur_iter, 0, &cur_value, -1);
1613
1614                 if (strcmp(text, cur_value) == 0) {
1615                         if (count <= 0)
1616                                 return FALSE;
1617
1618                         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1619                 }
1620
1621                 valid = gtk_tree_model_iter_next(model, &cur_iter);
1622                 count++;
1623         }
1624         return FALSE;
1625 }
1626
1627 gboolean gtkut_tree_model_get_iter_last(GtkTreeModel *model,
1628                                  GtkTreeIter *iter)
1629 /* do the same as gtk_tree_model_get_iter_first, but _last instead.
1630 */
1631 {
1632         gint count;
1633
1634         g_return_val_if_fail(model != NULL, FALSE);
1635         g_return_val_if_fail(iter != NULL, FALSE);
1636
1637         count = gtk_tree_model_iter_n_children(model, NULL);
1638
1639         if (count <= 0)
1640                 return FALSE;
1641
1642         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1643 }
1644
1645 #ifdef MAEMO
1646 HildonWindow *gtkut_window_new          (GtkWindowType   type,
1647                                          const gchar    *class)
1648 {
1649         HildonWindow *window = HILDON_WINDOW(hildon_window_new());
1650         gtk_window_set_role(GTK_WINDOW(window), class);
1651         hildon_program_add_window(hildon_program(), window);
1652         return window;
1653 }
1654 #else
1655 GtkWidget *gtkut_window_new             (GtkWindowType   type,
1656                                          const gchar    *class)
1657 {
1658         GtkWidget *window = gtk_window_new(type);
1659         gtk_window_set_role(GTK_WINDOW(window), class);
1660         return window;
1661 }
1662 #endif
1663
1664 gboolean gtkut_tree_iter_comp(GtkTreeModel *model,
1665                                      GtkTreeIter *iter1,
1666                                      GtkTreeIter *iter2)
1667 {
1668         GtkTreePath *path1 = gtk_tree_model_get_path(model, iter1);
1669         GtkTreePath *path2 = gtk_tree_model_get_path(model, iter2);
1670         gboolean result;
1671
1672         result = gtk_tree_path_compare(path1, path2) == 0;
1673
1674         gtk_tree_path_free(path1);
1675         gtk_tree_path_free(path2);
1676
1677         return result;
1678 }
1679
1680 /*!
1681  *\brief        Get selected row number.
1682  */
1683 gint gtkut_list_view_get_selected_row(GtkWidget *list_view)
1684 {
1685         GtkTreeView *view = GTK_TREE_VIEW(list_view);
1686         GtkTreeModel *model = gtk_tree_view_get_model(view);
1687         int n_rows = gtk_tree_model_iter_n_children(model, NULL);
1688         GtkTreeSelection *selection;
1689         GtkTreeIter iter;
1690         int row;
1691
1692         if (n_rows == 0)
1693                 return -1;
1694
1695         selection = gtk_tree_view_get_selection(view);
1696         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1697                 return -1;
1698
1699         /* get all iterators and compare them... */
1700         for (row = 0; row < n_rows; row++) {
1701                 GtkTreeIter itern;
1702
1703                 gtk_tree_model_iter_nth_child(model, &itern, NULL, row);
1704                 if (gtkut_tree_iter_comp(model, &iter, &itern))
1705                         return row;
1706         }
1707
1708         return -1;
1709 }
1710
1711 /*!
1712  *\brief        Select a row by its number.
1713  */
1714 gboolean gtkut_list_view_select_row(GtkWidget *list, gint row)
1715 {
1716         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1717         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
1718         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1719         GtkTreeIter iter;
1720         GtkTreePath *path;
1721
1722         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1723                 return FALSE;
1724
1725         gtk_tree_selection_select_iter(selection, &iter);
1726
1727         path = gtk_tree_model_get_path(model, &iter);
1728         gtk_tree_view_set_cursor(list_view, path, NULL, FALSE);
1729         gtk_tree_path_free(path);
1730
1731         return TRUE;
1732 }
1733