src/gtk/gtkutils.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2011 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include <glib.h>
  25 #include <glib/gi18n.h>
  26 #include <gdk/gdkkeysyms.h>
  27 #include <gdk/gdk.h>
  28 #include <gtk/gtk.h>
  29 #if !GTK_CHECK_VERSION(3, 0, 0)
  30 #include "gtk/gtksctree.h"
  31 #endif
  32 #include <stdlib.h>
  33 #include <stdarg.h>
  34 #include <sys/stat.h>
  35
  36 #include "combobox.h"
  37
  38 #if HAVE_LIBCOMPFACE
  39 #  include <compface.h>
  40 #endif
  41
  42 #if HAVE_LIBCOMPFACE
  43 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  44 #endif
  45
  46 #if (HAVE_WCTYPE_H && HAVE_WCHAR_H)
  47 #  include <wchar.h>
  48 #  include <wctype.h>
  49 #endif
  50
  51 #include "defs.h"
  52 #include "gtkutils.h"
  53 #include "utils.h"
  54 #if !GTK_CHECK_VERSION(3, 0, 0)
  55 #include "gtksctree.h"
  56 #endif
  57 #include "codeconv.h"
  58 #include "stock_pixmap.h"
  59 #include "menu.h"
  60 #include "prefs_account.h"
  61 #include "prefs_common.h"
  62 #include "manage_window.h"
  63 #include "base64.h"
  64 #include "manual.h"
  65 #include "combobox.h"
  66
  67 gboolean gtkut_get_font_size(GtkWidget *widget,
  68                              gint *width, gint *height)
  69 {
  70         PangoLayout *layout;
  71         const gchar *str = "Abcdef";
  72
  73         cm_return_val_if_fail(GTK_IS_WIDGET(widget), FALSE);
  74
  75         layout = gtk_widget_create_pango_layout(widget, str);
  76         cm_return_val_if_fail(layout, FALSE);
  77         pango_layout_get_pixel_size(layout, width, height);
  78         if (width)
  79                 *width = *width / g_utf8_strlen(str, -1);
  80         g_object_unref(layout);
  81
  82         return TRUE;
  83 }
  84
  85 void gtkut_widget_set_small_font_size(GtkWidget *widget)
  86 {
  87         PangoFontDescription *font_desc;
  88         gint size;
  89
  90         cm_return_if_fail(widget != NULL);
  91         cm_return_if_fail(gtk_widget_get_style(widget) != NULL);
  92
  93         if (prefs_common.derive_from_normal_font || !SMALL_FONT) {
  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         } else {
 100                 font_desc = pango_font_description_from_string(SMALL_FONT);
 101                 gtk_widget_modify_font(widget, font_desc);
 102                 pango_font_description_free(font_desc);
 103         }
 104 }
 105
 106 void gtkut_convert_int_to_gdk_color(gint rgbvalue, GdkColor *color)
 107 {
 108         cm_return_if_fail(color != NULL);
 109
 110         color->pixel = 0L;
 111         color->red   = (int) (((gdouble)((rgbvalue & 0xff0000) >> 16) / 255.0) * 65535.0);
 112         color->green = (int) (((gdouble)((rgbvalue & 0x00ff00) >>  8) / 255.0) * 65535.0);
 113         color->blue  = (int) (((gdouble) (rgbvalue & 0x0000ff)        / 255.0) * 65535.0);
 114 }
 115
 116 #define CL(x)   (((gulong) (x) >> (gulong) 8) & 0xFFUL)
 117 #define RGB_FROM_GDK_COLOR(c) \
 118         ((CL(c->red)   << (gulong) 16) | \
 119          (CL(c->green) << (gulong)  8) | \
 120          (CL(c->blue)))
 121
 122 gint gtkut_convert_gdk_color_to_int(GdkColor *color)
 123 {
 124         return RGB_FROM_GDK_COLOR(color);
 125 }
 126
 127 void gtkut_stock_button_add_help(GtkWidget *bbox, GtkWidget **help_btn)
 128 {
 129         cm_return_if_fail(bbox != NULL);
 130
 131         *help_btn = gtk_button_new_from_stock(GTK_STOCK_HELP);
 132
 133         gtkut_widget_set_can_default(*help_btn, TRUE);
 134         gtk_box_pack_end(GTK_BOX (bbox), *help_btn, TRUE, TRUE, 0);
 135         gtk_button_box_set_child_secondary(GTK_BUTTON_BOX (bbox),
 136                         *help_btn, TRUE);
 137         gtk_widget_set_sensitive(*help_btn,
 138                         manual_available(MANUAL_MANUAL_CLAWS));
 139         gtk_widget_show(*help_btn);
 140 }
 141
 142 void gtkut_stock_button_set_create_with_help(GtkWidget **bbox,
 143                 GtkWidget **help_button,
 144                 GtkWidget **button1, const gchar *label1,
 145                 GtkWidget **button2, const gchar *label2,
 146                 GtkWidget **button3, const gchar *label3)
 147 {
 148         cm_return_if_fail(bbox != NULL);
 149         cm_return_if_fail(button1 != NULL);
 150
 151         gtkut_stock_button_set_create(bbox, button1, label1,
 152                         button2, label2, button3, label3);
 153
 154         gtkut_stock_button_add_help(*bbox, help_button);
 155 }
 156
 157 void gtkut_stock_button_set_create(GtkWidget **bbox,
 158                                    GtkWidget **button1, const gchar *label1,
 159                                    GtkWidget **button2, const gchar *label2,
 160                                    GtkWidget **button3, const gchar *label3)
 161 {
 162         cm_return_if_fail(bbox != NULL);
 163         cm_return_if_fail(button1 != NULL);
 164
 165         *bbox = gtk_hbutton_box_new();
 166         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 167         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 168
 169         *button1 = gtk_button_new_from_stock(label1);
 170         gtkut_widget_set_can_default(*button1, TRUE);
 171         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 172         gtk_widget_show(*button1);
 173
 174         if (button2) {
 175                 *button2 = gtk_button_new_from_stock(label2);
 176                 gtkut_widget_set_can_default(*button2, TRUE);
 177                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 178                 gtk_widget_show(*button2);
 179         }
 180
 181         if (button3) {
 182                 *button3 = gtk_button_new_from_stock(label3);
 183                 gtkut_widget_set_can_default(*button3, TRUE);
 184                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 185                 gtk_widget_show(*button3);
 186         }
 187 }
 188
 189 void gtkut_stock_with_text_button_set_create(GtkWidget **bbox,
 190                                    GtkWidget **button1, const gchar *label1, const gchar *text1,
 191                                    GtkWidget **button2, const gchar *label2, const gchar *text2,
 192                                    GtkWidget **button3, const gchar *label3, const gchar *text3)
 193 {
 194         cm_return_if_fail(bbox != NULL);
 195         cm_return_if_fail(button1 != NULL);
 196
 197         *bbox = gtk_hbutton_box_new();
 198         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 199         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 200
 201         *button1 = gtk_button_new_with_mnemonic(text1);
 202         gtk_button_set_image(GTK_BUTTON(*button1),
 203                 gtk_image_new_from_stock(label1, GTK_ICON_SIZE_BUTTON));
 204         gtkut_widget_set_can_default(*button1, TRUE);
 205         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 206         gtk_widget_show(*button1);
 207
 208         if (button2) {
 209                 *button2 = gtk_button_new_with_mnemonic(text2);
 210                 gtk_button_set_image(GTK_BUTTON(*button2),
 211                         gtk_image_new_from_stock(label2, GTK_ICON_SIZE_BUTTON));
 212                 gtkut_widget_set_can_default(*button2, TRUE);
 213                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 214                 gtk_widget_show(*button2);
 215         }
 216
 217         if (button3) {
 218                 *button3 = gtk_button_new_with_mnemonic(text3);
 219                 gtk_button_set_image(GTK_BUTTON(*button3),
 220                         gtk_image_new_from_stock(label3, GTK_ICON_SIZE_BUTTON));
 221                 gtkut_widget_set_can_default(*button3, TRUE);
 222                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 223                 gtk_widget_show(*button3);
 224         }
 225 }
 226
 227 #define CELL_SPACING 1
 228 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
 229                                     (((row) + 1) * CELL_SPACING) + \
 230                                     (clist)->voffset)
 231 #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
 232                                    ((clist)->row_height + CELL_SPACING))
 233
 234 void gtkut_ctree_node_move_if_on_the_edge(GtkCMCTree *ctree, GtkCMCTreeNode *node, gint _row)
 235 {
 236         GtkCMCList *clist = GTK_CMCLIST(ctree);
 237         gint row;
 238         GtkVisibility row_visibility, prev_row_visibility, next_row_visibility;
 239
 240         cm_return_if_fail(ctree != NULL);
 241         cm_return_if_fail(node != NULL);
 242
 243         row = (_row != -1 ? _row : g_list_position(clist->row_list, (GList *)node));
 244
 245         if (row < 0 || row >= clist->rows || clist->row_height == 0) return;
 246         row_visibility = gtk_cmclist_row_is_visible(clist, row);
 247         prev_row_visibility = gtk_cmclist_row_is_visible(clist, row - 1);
 248         next_row_visibility = gtk_cmclist_row_is_visible(clist, row + 1);
 249
 250         if (row_visibility == GTK_VISIBILITY_NONE) {
 251                 gtk_cmclist_moveto(clist, row, -1, 0.5, 0);
 252                 return;
 253         }
 254         if (row_visibility == GTK_VISIBILITY_FULL &&
 255             prev_row_visibility == GTK_VISIBILITY_FULL &&
 256             next_row_visibility == GTK_VISIBILITY_FULL)
 257                 return;
 258         if (prev_row_visibility != GTK_VISIBILITY_FULL &&
 259             next_row_visibility != GTK_VISIBILITY_FULL)
 260                 return;
 261
 262         if (prev_row_visibility != GTK_VISIBILITY_FULL) {
 263                 gtk_cmclist_moveto(clist, row, -1, 0.2, 0);
 264                 return;
 265         }
 266         if (next_row_visibility != GTK_VISIBILITY_FULL) {
 267                 gtk_cmclist_moveto(clist, row, -1, 0.8, 0);
 268                 return;
 269         }
 270 }
 271
 272 #undef CELL_SPACING
 273 #undef ROW_TOP_YPIXEL
 274 #undef ROW_FROM_YPIXEL
 275
 276 gint gtkut_ctree_get_nth_from_node(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 277 {
 278         cm_return_val_if_fail(ctree != NULL, -1);
 279         cm_return_val_if_fail(node != NULL, -1);
 280
 281         return g_list_position(GTK_CMCLIST(ctree)->row_list, (GList *)node);
 282 }
 283
 284 /* get the next node, including the invisible one */
 285 GtkCMCTreeNode *gtkut_ctree_node_next(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 286 {
 287         GtkCMCTreeNode *parent;
 288
 289         if (!node) return NULL;
 290
 291         if (GTK_CMCTREE_ROW(node)->children)
 292                 return GTK_CMCTREE_ROW(node)->children;
 293
 294         if (GTK_CMCTREE_ROW(node)->sibling)
 295                 return GTK_CMCTREE_ROW(node)->sibling;
 296
 297         for (parent = GTK_CMCTREE_ROW(node)->parent; parent != NULL;
 298              parent = GTK_CMCTREE_ROW(parent)->parent) {
 299                 if (GTK_CMCTREE_ROW(parent)->sibling)
 300                         return GTK_CMCTREE_ROW(parent)->sibling;
 301         }
 302
 303         return NULL;
 304 }
 305
 306 /* get the previous node, including the invisible one */
 307 GtkCMCTreeNode *gtkut_ctree_node_prev(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 308 {
 309         GtkCMCTreeNode *prev;
 310         GtkCMCTreeNode *child;
 311
 312         if (!node) return NULL;
 313
 314         prev = GTK_CMCTREE_NODE_PREV(node);
 315         if (prev == GTK_CMCTREE_ROW(node)->parent)
 316                 return prev;
 317
 318         child = prev;
 319         while (GTK_CMCTREE_ROW(child)->children != NULL) {
 320                 child = GTK_CMCTREE_ROW(child)->children;
 321                 while (GTK_CMCTREE_ROW(child)->sibling != NULL)
 322                         child = GTK_CMCTREE_ROW(child)->sibling;
 323         }
 324
 325         return child;
 326 }
 327
 328 gboolean gtkut_ctree_node_is_selected(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 329 {
 330         GtkCMCList *clist = GTK_CMCLIST(ctree);
 331         GList *cur;
 332
 333         for (cur = clist->selection; cur != NULL; cur = cur->next) {
 334                 if (node == GTK_CMCTREE_NODE(cur->data))
 335                         return TRUE;
 336         }
 337
 338         return FALSE;
 339 }
 340
 341 GtkCMCTreeNode *gtkut_ctree_find_collapsed_parent(GtkCMCTree *ctree,
 342                                                 GtkCMCTreeNode *node)
 343 {
 344         if (!node) return NULL;
 345
 346         while ((node = GTK_CMCTREE_ROW(node)->parent) != NULL) {
 347                 if (!GTK_CMCTREE_ROW(node)->expanded)
 348                         return node;
 349         }
 350
 351         return NULL;
 352 }
 353
 354 void gtkut_ctree_expand_parent_all(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 355 {
 356         while ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
 357                 gtk_cmctree_expand(ctree, node);
 358 }
 359
 360 gboolean gtkut_ctree_node_is_parent(GtkCMCTreeNode *parent, GtkCMCTreeNode *node)
 361 {
 362         GtkCMCTreeNode *tmp;
 363         cm_return_val_if_fail(node != NULL, FALSE);
 364         cm_return_val_if_fail(parent != NULL, FALSE);
 365         tmp = node;
 366
 367         while (tmp) {
 368                 if(GTK_CMCTREE_ROW(tmp)->parent && GTK_CMCTREE_ROW(tmp)->parent == parent)
 369                         return TRUE;
 370                 tmp = GTK_CMCTREE_ROW(tmp)->parent;
 371         }
 372
 373         return FALSE;
 374 }
 375
 376 void gtkut_ctree_set_focus_row(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 377 {
 378         if (node == NULL)
 379                 return;
 380         gtkut_clist_set_focus_row(GTK_CMCLIST(ctree),
 381                                   gtkut_ctree_get_nth_from_node(ctree, node));
 382 }
 383
 384 void gtkut_clist_set_focus_row(GtkCMCList *clist, gint row)
 385 {
 386         clist->focus_row = row;
 387         GTKUT_CTREE_REFRESH(clist);
 388 }
 389
 390 void gtkut_container_remove(GtkContainer *container, GtkWidget *widget)
 391 {
 392         gtk_container_remove(container, widget);
 393 }
 394
 395 static gboolean gtkut_text_buffer_match_string(GtkTextBuffer *textbuf,
 396                                         const GtkTextIter *iter,
 397                                         gunichar *wcs, gint len,
 398                                         gboolean case_sens)
 399 {
 400         GtkTextIter start_iter, end_iter;
 401         gchar *utf8str, *p;
 402         gint match_count;
 403
 404         start_iter = end_iter = *iter;
 405         gtk_text_iter_forward_chars(&end_iter, len);
 406
 407         utf8str = gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter,
 408                                            FALSE);
 409         if (!utf8str) return FALSE;
 410
 411         if ((gint)g_utf8_strlen(utf8str, -1) != len) {
 412                 g_free(utf8str);
 413                 return FALSE;
 414         }
 415
 416         for (p = utf8str, match_count = 0;
 417              *p != '\0' && match_count < len;
 418              p = g_utf8_next_char(p), match_count++) {
 419                 gunichar wc;
 420
 421                 wc = g_utf8_get_char(p);
 422
 423                 if (case_sens) {
 424                         if (wc != wcs[match_count])
 425                                 break;
 426                 } else {
 427                         if (g_unichar_tolower(wc) !=
 428                             g_unichar_tolower(wcs[match_count]))
 429                                 break;
 430                 }
 431         }
 432
 433         g_free(utf8str);
 434
 435         if (match_count == len)
 436                 return TRUE;
 437         else
 438                 return FALSE;
 439 }
 440
 441 static gboolean gtkut_text_buffer_find(GtkTextBuffer *buffer, const GtkTextIter *iter,
 442                                 const gchar *str, gboolean case_sens,
 443                                 GtkTextIter *match_pos)
 444 {
 445         gunichar *wcs;
 446         gint len;
 447         glong items_read = 0, items_written = 0;
 448         GError *error = NULL;
 449         GtkTextIter iter_;
 450         gboolean found = FALSE;
 451
 452         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 453         if (error != NULL) {
 454                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n",
 455                           error->message);
 456                 g_error_free(error);
 457         }
 458         if (!wcs || items_written <= 0) return FALSE;
 459         len = (gint)items_written;
 460
 461         iter_ = *iter;
 462         do {
 463                 found = gtkut_text_buffer_match_string
 464                         (buffer, &iter_, wcs, len, case_sens);
 465                 if (found) {
 466                         *match_pos = iter_;
 467                         break;
 468                 }
 469         } while (gtk_text_iter_forward_char(&iter_));
 470
 471         g_free(wcs);
 472
 473         return found;
 474 }
 475
 476 static gboolean gtkut_text_buffer_find_backward(GtkTextBuffer *buffer,
 477                                          const GtkTextIter *iter,
 478                                          const gchar *str, gboolean case_sens,
 479                                          GtkTextIter *match_pos)
 480 {
 481         gunichar *wcs;
 482         gint len;
 483         glong items_read = 0, items_written = 0;
 484         GError *error = NULL;
 485         GtkTextIter iter_;
 486         gboolean found = FALSE;
 487
 488         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 489         if (error != NULL) {
 490                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n", error->message);
 491                 g_error_free(error);
 492         }
 493         if (!wcs || items_written <= 0) return FALSE;
 494         len = (gint)items_written;
 495
 496         iter_ = *iter;
 497         while (gtk_text_iter_backward_char(&iter_)) {
 498                 found = gtkut_text_buffer_match_string
 499                         (buffer, &iter_, wcs, len, case_sens);
 500                 if (found) {
 501                         *match_pos = iter_;
 502                         break;
 503                 }
 504         }
 505
 506         g_free(wcs);
 507
 508         return found;
 509 }
 510
 511 gchar *gtkut_text_view_get_selection(GtkTextView *textview)
 512 {
 513         GtkTextBuffer *buffer;
 514         GtkTextIter start_iter, end_iter;
 515         gboolean found;
 516
 517         cm_return_val_if_fail(GTK_IS_TEXT_VIEW(textview), NULL);
 518
 519         buffer = gtk_text_view_get_buffer(textview);
 520         found = gtk_text_buffer_get_selection_bounds(buffer,
 521                                                      &start_iter,
 522                                                      &end_iter);
 523         if (found)
 524                 return gtk_text_buffer_get_text(buffer, &start_iter, &end_iter,
 525                                                 FALSE);
 526         else
 527                 return NULL;
 528 }
 529
 530
 531 void gtkut_text_view_set_position(GtkTextView *text, gint pos)
 532 {
 533         GtkTextBuffer *buffer;
 534         GtkTextIter iter;
 535         GtkTextMark *mark;
 536
 537         cm_return_if_fail(text != NULL);
 538
 539         buffer = gtk_text_view_get_buffer(text);
 540
 541         gtk_text_buffer_get_iter_at_offset(buffer, &iter, pos);
 542         gtk_text_buffer_place_cursor(buffer, &iter);
 543         mark = gtk_text_buffer_create_mark(buffer, NULL, &iter, TRUE);
 544         gtk_text_view_scroll_to_mark(text, mark, 0.0, FALSE, 0.0, 0.0);
 545 }
 546
 547 gboolean gtkut_text_view_search_string(GtkTextView *text, const gchar *str,
 548                                         gboolean case_sens)
 549 {
 550         GtkTextBuffer *buffer;
 551         GtkTextIter iter, match_pos;
 552         GtkTextMark *mark;
 553         gint len;
 554
 555         cm_return_val_if_fail(text != NULL, FALSE);
 556         cm_return_val_if_fail(str != NULL, FALSE);
 557
 558         buffer = gtk_text_view_get_buffer(text);
 559
 560         len = g_utf8_strlen(str, -1);
 561         cm_return_val_if_fail(len >= 0, FALSE);
 562
 563         mark = gtk_text_buffer_get_insert(buffer);
 564         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
 565
 566         if (gtkut_text_buffer_find(buffer, &iter, str, case_sens,
 567                                    &match_pos)) {
 568                 GtkTextIter end = match_pos;
 569
 570                 gtk_text_iter_forward_chars(&end, len);
 571                 /* place "insert" at the last character */
 572                 gtk_text_buffer_select_range(buffer, &end, &match_pos);
 573                 gtk_text_view_scroll_to_mark(text, mark, 0.0, TRUE, 0.0, 0.5);
 574                 return TRUE;
 575         }
 576
 577         return FALSE;
 578 }
 579
 580 gboolean gtkut_text_view_search_string_backward(GtkTextView *text, const gchar *str,
 581                                         gboolean case_sens)
 582 {
 583         GtkTextBuffer *buffer;
 584         GtkTextIter iter, match_pos;
 585         GtkTextMark *mark;
 586         gint len;
 587
 588         cm_return_val_if_fail(text != NULL, FALSE);
 589         cm_return_val_if_fail(str != NULL, FALSE);
 590
 591         buffer = gtk_text_view_get_buffer(text);
 592
 593         len = g_utf8_strlen(str, -1);
 594         cm_return_val_if_fail(len >= 0, FALSE);
 595
 596         mark = gtk_text_buffer_get_insert(buffer);
 597         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
 598
 599         if (gtkut_text_buffer_find_backward(buffer, &iter, str, case_sens,
 600                                             &match_pos)) {
 601                 GtkTextIter end = match_pos;
 602
 603                 gtk_text_iter_forward_chars(&end, len);
 604                 gtk_text_buffer_select_range(buffer, &match_pos, &end);
 605                 gtk_text_view_scroll_to_mark(text, mark, 0.0, TRUE, 0.0, 0.5);
 606                 return TRUE;
 607         }
 608
 609         return FALSE;
 610 }
 611
 612 void gtkut_window_popup(GtkWidget *window)
 613 {
 614         GdkWindow *gdkwin;
 615         gint x, y, sx, sy, new_x, new_y;
 616
 617         gdkwin = gtk_widget_get_window(window);
 618
 619         cm_return_if_fail(window != NULL);
 620         cm_return_if_fail(gdkwin != NULL);
 621
 622         sx = gdk_screen_width();
 623         sy = gdk_screen_height();
 624
 625         gdk_window_get_origin(gdkwin, &x, &y);
 626         new_x = x % sx; if (new_x < 0) new_x = 0;
 627         new_y = y % sy; if (new_y < 0) new_y = 0;
 628         if (new_x != x || new_y != y)
 629                 gdk_window_move(gdkwin, new_x, new_y);
 630
 631         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(window), FALSE);
 632         gtk_window_present_with_time(GTK_WINDOW(window), time(NULL));
 633 }
 634
 635 void gtkut_widget_get_uposition(GtkWidget *widget, gint *px, gint *py)
 636 {
 637         GdkWindow *gdkwin;
 638         gint x, y;
 639         gint sx, sy;
 640
 641         gdkwin = gtk_widget_get_window(widget);
 642
 643         cm_return_if_fail(widget != NULL);
 644         cm_return_if_fail(gdkwin != NULL);
 645
 646         sx = gdk_screen_width();
 647         sy = gdk_screen_height();
 648
 649         /* gdk_window_get_root_origin ever return *rootwindow*'s position */
 650         gdk_window_get_root_origin(gdkwin, &x, &y);
 651
 652         x %= sx; if (x < 0) x = 0;
 653         y %= sy; if (y < 0) y = 0;
 654         *px = x;
 655         *py = y;
 656 }
 657
 658 void gtkut_widget_draw_now(GtkWidget *widget)
 659 {
 660         if (widget && gtk_widget_get_visible(widget) && gtk_widget_is_drawable(widget))
 661                 gdk_window_process_updates(gtk_widget_get_window(widget), FALSE);
 662 }
 663
 664 static void gtkut_clist_bindings_add(GtkWidget *clist)
 665 {
 666         GtkBindingSet *binding_set;
 667
 668         binding_set = gtk_binding_set_by_class
 669                 (GTK_CMCLIST_GET_CLASS(clist));
 670
 671         gtk_binding_entry_add_signal(binding_set, GDK_KEY_n, GDK_CONTROL_MASK,
 672                                      "scroll_vertical", 2,
 673                                      G_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 674                                      G_TYPE_FLOAT, 0.0);
 675         gtk_binding_entry_add_signal(binding_set, GDK_p, GDK_CONTROL_MASK,
 676                                      "scroll_vertical", 2,
 677                                      G_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 678                                      G_TYPE_FLOAT, 0.0);
 679 }
 680
 681 void gtkut_widget_init(void)
 682 {
 683         GtkWidget *clist;
 684
 685         clist = gtk_cmclist_new(1);
 686         g_object_ref(G_OBJECT(clist));
 687 #if GLIB_CHECK_VERSION(2,10,0)
 688         g_object_ref_sink (G_OBJECT(clist));
 689 #else
 690         gtk_object_ref (G_OBJECT(clist));
 691         gtk_object_sink (G_OBJECT(clist));
 692 #endif
 693         gtkut_clist_bindings_add(clist);
 694         g_object_unref(G_OBJECT(clist));
 695
 696         clist = gtk_cmctree_new(1, 0);
 697         g_object_ref(G_OBJECT(clist));
 698 #if GLIB_CHECK_VERSION(2,10,0)
 699         g_object_ref_sink (G_OBJECT(clist));
 700 #else
 701         gtk_object_ref (G_OBJECT(clist));
 702         gtk_object_sink (G_OBJECT(clist));
 703 #endif
 704         gtkut_clist_bindings_add(clist);
 705         g_object_unref(G_OBJECT(clist));
 706
 707         clist = gtk_sctree_new_with_titles(1, 0, NULL);
 708         g_object_ref(G_OBJECT(clist));
 709 #if GLIB_CHECK_VERSION(2,10,0)
 710         g_object_ref_sink (G_OBJECT(clist));
 711 #else
 712         gtk_object_ref (G_OBJECT(clist));
 713         gtk_object_sink (G_OBJECT(clist));
 714 #endif
 715         gtkut_clist_bindings_add(clist);
 716         g_object_unref(G_OBJECT(clist));
 717 }
 718
 719 void gtkut_widget_set_app_icon(GtkWidget *widget)
 720 {
 721         static GdkPixbuf *icon = NULL;
 722
 723         cm_return_if_fail(widget != NULL);
 724         cm_return_if_fail(gtk_widget_get_window(widget) != NULL);
 725         if (!icon) {
 726                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_CLAWS_MAIL_ICON, &icon);
 727         }
 728         if (icon)
 729                 gtk_window_set_icon(GTK_WINDOW(widget), icon);
 730 }
 731
 732 void gtkut_widget_set_composer_icon(GtkWidget *widget)
 733 {
 734         static GdkPixbuf *icon = NULL;
 735
 736         cm_return_if_fail(widget != NULL);
 737         cm_return_if_fail(gtk_widget_get_window(widget) != NULL);
 738         if (!icon) {
 739                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_MAIL_COMPOSE, &icon);
 740         }
 741         if (icon)
 742                 gtk_window_set_icon(GTK_WINDOW(widget), icon);
 743 }
 744
 745 static gboolean move_bar = FALSE;
 746 static gint move_bar_id = -1;
 747
 748 static gboolean move_bar_cb(gpointer data)
 749 {
 750         GtkWidget *w = (GtkWidget *)data;
 751         if (!move_bar)
 752                 return FALSE;
 753
 754         if (!GTK_IS_PROGRESS_BAR(w)) {
 755                 return FALSE;
 756         }
 757
 758         gtk_progress_bar_pulse(GTK_PROGRESS_BAR(w));
 759         GTK_EVENTS_FLUSH();
 760         return TRUE;
 761 }
 762
 763 GtkWidget *label_window_create(const gchar *str)
 764 {
 765         GtkWidget *window;
 766         GtkWidget *label, *vbox, *hbox;
 767         GtkWidget *wait_progress = gtk_progress_bar_new();
 768
 769         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "gtkutils");
 770         gtk_widget_set_size_request(window, 380, 70);
 771         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 772         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 773         gtk_window_set_title(GTK_WINDOW(window), str);
 774         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 775         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 776         manage_window_set_transient(GTK_WINDOW(window));
 777
 778         label = gtk_label_new(str);
 779
 780         vbox = gtk_vbox_new(FALSE, 6);
 781         hbox = gtk_hbox_new(FALSE, 6);
 782         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, FALSE, 0);
 783         gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, FALSE, 0);
 784         hbox = gtk_hbox_new(FALSE, 6);
 785         gtk_box_pack_start(GTK_BOX(hbox), wait_progress, TRUE, FALSE, 0);
 786         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 787
 788         gtk_container_add(GTK_CONTAINER(window), vbox);
 789         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 790         gtk_misc_set_alignment(GTK_MISC(label), 0.5, 0.5);
 791         gtk_widget_show_all(vbox);
 792
 793         gtk_widget_show_now(window);
 794
 795         if (move_bar_id == -1) {
 796                 move_bar_id = g_timeout_add(200, move_bar_cb, wait_progress);
 797                 move_bar = TRUE;
 798         }
 799
 800         GTK_EVENTS_FLUSH();
 801
 802         return window;
 803 }
 804
 805 void label_window_destroy(GtkWidget *window)
 806 {
 807         move_bar = FALSE;
 808         g_source_remove(move_bar_id);
 809         move_bar_id = -1;
 810         GTK_EVENTS_FLUSH();
 811         gtk_widget_destroy(window);
 812 }
 813
 814 GtkWidget *gtkut_account_menu_new(GList                 *ac_list,
 815                                         GCallback               callback,
 816                                   gpointer              data)
 817 {
 818         GList *cur_ac;
 819         GtkWidget *optmenu;
 820         GtkListStore *menu;
 821         GtkTreeIter iter;
 822         PrefsAccount *account;
 823         gchar *name;
 824
 825         cm_return_val_if_fail(ac_list != NULL, NULL);
 826
 827         optmenu = gtkut_sc_combobox_create(NULL, FALSE);
 828         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(optmenu)));
 829
 830         for (cur_ac = ac_list; cur_ac != NULL; cur_ac = cur_ac->next) {
 831                 account = (PrefsAccount *) cur_ac->data;
 832                 if (account->name)
 833                         name = g_strdup_printf("%s: %s <%s>",
 834                                                account->account_name,
 835                                                account->name,
 836                                                account->address);
 837                 else
 838                         name = g_strdup_printf("%s: %s",
 839                                                account->account_name,
 840                                                account->address);
 841                 COMBOBOX_ADD_ESCAPED(menu, name, account->account_id);
 842                 g_free(name);
 843         }
 844         gtk_combo_box_set_active(GTK_COMBO_BOX(optmenu), 0);
 845
 846         if( callback != NULL )
 847                 g_signal_connect(G_OBJECT(optmenu), "changed", callback, data);
 848
 849         return optmenu;
 850 }
 851
 852 void gtkut_set_widget_bgcolor_rgb(GtkWidget *widget, guint rgbvalue)
 853 {
 854         GtkStyle *newstyle;
 855         GdkColor gdk_color;
 856
 857         gtkut_convert_int_to_gdk_color(rgbvalue, &gdk_color);
 858         newstyle = gtk_style_copy(gtk_widget_get_default_style());
 859         newstyle->bg[GTK_STATE_NORMAL]   = gdk_color;
 860         newstyle->bg[GTK_STATE_PRELIGHT] = gdk_color;
 861         newstyle->bg[GTK_STATE_ACTIVE]   = gdk_color;
 862         gtk_widget_set_style(widget, newstyle);
 863 }
 864
 865 /*!
 866  *\brief        Tries to find a focused child using a lame strategy
 867  */
 868 GtkWidget *gtkut_get_focused_child(GtkContainer *parent)
 869 {
 870         GtkWidget *result = NULL;
 871         GList *child_list = NULL;
 872         GList *c;
 873
 874         cm_return_val_if_fail(parent, NULL);
 875
 876         /* Get children list and see which has the focus. */
 877         child_list = gtk_container_get_children(parent);
 878         if (!child_list)
 879                 return NULL;
 880
 881         for (c = child_list; c != NULL; c = g_list_next(c)) {
 882                 if (c->data && GTK_IS_WIDGET(c->data)) {
 883                         if (gtk_widget_has_focus(GTK_WIDGET(c->data))) {
 884                                 result = GTK_WIDGET(c->data);
 885                                 break;
 886                         }
 887                 }
 888         }
 889
 890         /* See if the returned widget is a container itself; if it is,
 891          * see if one of its children is focused. If the focused
 892          * container has no focused child, it is itself a focusable
 893          * child, and has focus. */
 894         if (result && GTK_IS_CONTAINER(result)) {
 895                 GtkWidget *tmp =  gtkut_get_focused_child(GTK_CONTAINER(result));
 896
 897                 if (tmp)
 898                         result = tmp;
 899         } else {
 900                 /* Try the same for each container in the chain */
 901                 for (c = child_list; c != NULL && !result; c = g_list_next(c)) {
 902                         if (c->data && GTK_IS_WIDGET(c->data)
 903                         &&  GTK_IS_CONTAINER(c->data)) {
 904                                 result = gtkut_get_focused_child
 905                                         (GTK_CONTAINER(c->data));
 906                         }
 907                 }
 908
 909         }
 910
 911         g_list_free(child_list);
 912
 913         return result;
 914 }
 915
 916 /*!
 917  *\brief        Create a Browse (file) button based on GTK+ stock
 918  */
 919 GtkWidget *gtkut_get_browse_file_btn(const gchar *button_label)
 920 {
 921         GtkWidget *button;
 922
 923         button = gtk_button_new_with_mnemonic(button_label);
 924         gtk_button_set_image(GTK_BUTTON(button),
 925                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
 926
 927         return button;
 928 }
 929
 930 /*!
 931  *\brief        Create a Browse (directory) button based on GTK+ stock
 932  */
 933 GtkWidget *gtkut_get_browse_directory_btn(const gchar *button_label)
 934 {
 935         GtkWidget *button;
 936
 937         button = gtk_button_new_with_mnemonic(button_label);
 938         gtk_button_set_image(GTK_BUTTON(button),
 939                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
 940
 941         return button;
 942 }
 943
 944 GtkWidget *gtkut_get_replace_btn(const gchar *button_label)
 945 {
 946         GtkWidget *button;
 947
 948         button = gtk_button_new_with_mnemonic(button_label);
 949         gtk_button_set_image(GTK_BUTTON(button),
 950                 gtk_image_new_from_stock(GTK_STOCK_REFRESH, GTK_ICON_SIZE_BUTTON));
 951
 952         return button;
 953 }
 954
 955 /**
 956  * merge some part of code into one function : it creates a frame and add
 957  *      these into gtk box widget passed in param.
 958  * \param box gtk box where adding new created frame.
 959  * \param pframe pointer with which to assign the frame. If NULL, no pointer
 960  *      is assigned but the frame is anyway created and added to @box.
 961  * \param frame_label frame label of new created frame.
 962  */
 963 GtkWidget *gtkut_get_options_frame(GtkWidget *box, GtkWidget **pframe,
 964                 const gchar *frame_label)
 965 {
 966         GtkWidget *vbox;
 967         GtkWidget *frame;
 968
 969         frame = gtk_frame_new(frame_label);
 970         gtk_widget_show(frame);
 971         gtk_box_pack_start(GTK_BOX(box), frame, FALSE, TRUE, 0);
 972         gtk_frame_set_label_align(GTK_FRAME(frame), 0.01, 0.5);
 973
 974         vbox = gtk_vbox_new (FALSE, 4);
 975         gtk_widget_show(vbox);
 976         gtk_container_add(GTK_CONTAINER (frame), vbox);
 977         gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
 978
 979         if (pframe != NULL)
 980                 *pframe = frame;
 981
 982         return vbox;
 983 }
 984
 985 #if HAVE_LIBCOMPFACE
 986 static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
 987 {
 988         static gchar *bit_pattern[] = {
 989                 "....",
 990                 "...#",
 991                 "..#.",
 992                 "..##",
 993                 ".#..",
 994                 ".#.#",
 995                 ".##.",
 996                 ".###",
 997                 "#...",
 998                 "#..#",
 999                 "#.#.",
1000                 "#.##",
1001                 "##..",
1002                 "##.#",
1003                 "###.",
1004                 "####"
1005         };
1006
1007         static gchar *xface_header = "48 48 2 1";
1008         static gchar *xface_black  = "# c #000000";
1009         static gchar *xface_white  = ". c #ffffff";
1010
1011         gint i, line = 0;
1012         const guchar *p;
1013         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
1014
1015         p = xface;
1016
1017         strcpy(xpm[line++], xface_header);
1018         strcpy(xpm[line++], xface_black);
1019         strcpy(xpm[line++], xface_white);
1020
1021         for (i = 0; i < HEIGHT; i++) {
1022                 gint col;
1023
1024                 buf[0] = '\0';
1025
1026                 for (col = 0; col < 3; col++) {
1027                         gint figure;
1028
1029                         p += 2;  /* skip '0x' */
1030
1031                         for (figure = 0; figure < 4; figure++) {
1032                                 gint n = 0;
1033
1034                                 if ('0' <= *p && *p <= '9') {
1035                                         n = *p - '0';
1036                                 } else if ('a' <= *p && *p <= 'f') {
1037                                         n = *p - 'a' + 10;
1038                                 } else if ('A' <= *p && *p <= 'F') {
1039                                         n = *p - 'A' + 10;
1040                                 }
1041
1042                                 strcat(buf, bit_pattern[n]);
1043                                 p++;  /* skip ',' */
1044                         }
1045
1046                         p++;  /* skip '\n' */
1047                 }
1048
1049                 strcpy(xpm[line++], buf);
1050                 p++;
1051         }
1052
1053         return 0;
1054 }
1055 #endif
1056
1057 gboolean get_tag_range(GtkTextIter *iter,
1058                                        GtkTextTag *tag,
1059                                        GtkTextIter *start_iter,
1060                                        GtkTextIter *end_iter)
1061 {
1062         GtkTextIter _start_iter, _end_iter;
1063
1064         _end_iter = *iter;
1065         if (!gtk_text_iter_forward_to_tag_toggle(&_end_iter, tag)) {
1066                 debug_print("Can't find end");
1067                 return FALSE;
1068         }
1069
1070         _start_iter = _end_iter;
1071         if (!gtk_text_iter_backward_to_tag_toggle(&_start_iter, tag)) {
1072                 debug_print("Can't find start.");
1073                 return FALSE;
1074         }
1075
1076         *start_iter = _start_iter;
1077         *end_iter = _end_iter;
1078
1079         return TRUE;
1080 }
1081
1082 #if HAVE_LIBCOMPFACE
1083 GtkWidget *xface_get_from_header(const gchar *o_xface, GdkColor *background,
1084                                  GdkWindow *window)
1085 {
1086         static gchar *xpm_xface[XPM_XFACE_HEIGHT];
1087         static gboolean xpm_xface_init = TRUE;
1088         gchar xface[2048];
1089         strncpy(xface, o_xface, sizeof(xface));
1090
1091         if (!window) {
1092                 g_warning("no window\n");
1093                 return NULL;
1094         }
1095         if (uncompface(xface) < 0) {
1096                 g_warning("uncompface failed\n");
1097                 return NULL;
1098         }
1099
1100         if (xpm_xface_init) {
1101                 gint i;
1102
1103                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
1104                         xpm_xface[i] = g_malloc(WIDTH + 1);
1105                         *xpm_xface[i] = '\0';
1106                 }
1107                 xpm_xface_init = FALSE;
1108         }
1109
1110         create_xpm_from_xface(xpm_xface, xface);
1111
1112         return gtk_image_new_from_pixbuf(
1113                 gdk_pixbuf_new_from_xpm_data((const char **)xpm_xface));
1114 }
1115 #endif
1116
1117 GtkWidget *face_get_from_header(const gchar *o_face)
1118 {
1119         gchar face[2048];
1120         gchar face_png[2048];
1121         gint pngsize;
1122         GdkPixbuf *pixbuf;
1123         GError *error = NULL;
1124         GdkPixbufLoader *loader = gdk_pixbuf_loader_new ();
1125         GtkWidget *image;
1126
1127         if (o_face == NULL || strlen(o_face) == 0)
1128                 return NULL;
1129
1130         strncpy2(face, o_face, sizeof(face));
1131
1132         unfold_line(face); /* strip all whitespace and linebreaks */
1133         remove_space(face);
1134
1135         pngsize = base64_decode(face_png, face, strlen(face));
1136
1137         if (!gdk_pixbuf_loader_write (loader, face_png, pngsize, &error) ||
1138             !gdk_pixbuf_loader_close (loader, &error)) {
1139                 g_warning("loading face failed\n");
1140                 g_object_unref(loader);
1141                 return NULL;
1142         }
1143
1144         pixbuf = g_object_ref(gdk_pixbuf_loader_get_pixbuf(loader));
1145
1146         g_object_unref(loader);
1147
1148         if ((gdk_pixbuf_get_width(pixbuf) != 48) || (gdk_pixbuf_get_height(pixbuf) != 48)) {
1149                 g_object_unref(pixbuf);
1150                 g_warning("wrong_size");
1151                 return NULL;
1152         }
1153
1154         image = gtk_image_new_from_pixbuf(pixbuf);
1155         g_object_unref(pixbuf);
1156         return image;
1157 }
1158
1159 static GdkCursor *hand_cursor = NULL;
1160
1161 static void link_btn_enter(GtkButton *button, gpointer data)
1162 {
1163         GdkWindow *gdkwin;
1164         GtkWidget *window = (GtkWidget *)data;
1165
1166         gdkwin = gtk_widget_get_window(window);
1167
1168         if (!hand_cursor)
1169                 hand_cursor = gdk_cursor_new(GDK_HAND2);
1170         if (window && gdkwin)
1171                 gdk_window_set_cursor(gdkwin, hand_cursor);
1172
1173         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1174         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1175
1176 }
1177
1178 static void link_btn_leave(GtkButton *button, gpointer data)
1179 {
1180         GdkWindow *gdkwin;
1181         GtkWidget *window = (GtkWidget *)data;
1182
1183         gdkwin = gtk_widget_get_window(window);
1184
1185         if (window && gdkwin)
1186                 gdk_window_set_cursor(gdkwin, NULL);
1187
1188         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1189         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1190 }
1191
1192 static void link_btn_pressed(GtkButton *button, gpointer data)
1193 {
1194         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1195         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1196 }
1197
1198 static void link_btn_released(GtkButton *button, gpointer data)
1199 {
1200         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1201         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1202 }
1203
1204 static void link_btn_clicked(GtkButton *button, gpointer data)
1205 {
1206         gchar *url = (gchar *)data;
1207         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1208         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1209         open_uri(url, prefs_common_get_uri_cmd());
1210 }
1211
1212 static void link_btn_unrealize(GtkButton *button, gpointer data)
1213 {
1214         gchar *url = (gchar *)data;
1215         g_signal_handlers_disconnect_by_func(G_OBJECT(button),
1216                          G_CALLBACK(link_btn_clicked), url);
1217         g_free(url);
1218 }
1219
1220 GtkWidget *gtkut_get_link_btn(GtkWidget *window, const gchar *url, const gchar *label)
1221 {
1222         GtkWidget *btn;
1223         GtkWidget *btn_label;
1224 #if !GTK_CHECK_VERSION(3, 0, 0)
1225         GdkColormap *cmap;
1226         gboolean success[2];
1227 #endif
1228         GdkColor uri_color[2] = {{0, 0, 0, 0xffff}, {0, 0xffff, 0, 0}};
1229         gchar *local_url = NULL;
1230         if (!url)
1231                 return NULL;
1232
1233         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1234                                                &uri_color[0]);
1235         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1236                                                &uri_color[1]);
1237
1238         btn = gtk_button_new_with_label(label?label:url);
1239         gtk_button_set_relief(GTK_BUTTON(btn), GTK_RELIEF_NONE);
1240         btn_label = gtk_bin_get_child(GTK_BIN((btn)));
1241 #if !GTK_CHECK_VERSION(3, 0, 0)
1242         cmap = gdk_drawable_get_colormap(gtk_widget_get_window(window));
1243         gdk_colormap_alloc_colors(cmap, uri_color, 2, FALSE, TRUE, success);
1244         if (success[0] == TRUE && success[1] == TRUE) {
1245 #endif
1246                 GtkStyle *style;
1247                 gtk_widget_ensure_style(btn_label);
1248                 style = gtk_style_copy
1249                         (gtk_widget_get_style(btn_label));
1250                 style->fg[GTK_STATE_NORMAL]   = uri_color[0];
1251                 style->fg[GTK_STATE_ACTIVE]   = uri_color[1];
1252                 style->fg[GTK_STATE_PRELIGHT] = uri_color[0];
1253                 gtk_widget_set_style(btn_label, style);
1254 #if !GTK_CHECK_VERSION(3, 0, 0)
1255         } else
1256                 g_warning("about_create(): color allocation failed.\n");
1257 #endif
1258
1259         g_signal_connect(G_OBJECT(btn), "enter",
1260                          G_CALLBACK(link_btn_enter), window);
1261         g_signal_connect(G_OBJECT(btn), "leave",
1262                          G_CALLBACK(link_btn_leave), window);
1263         g_signal_connect(G_OBJECT(btn), "pressed",
1264                          G_CALLBACK(link_btn_pressed), window);
1265         g_signal_connect(G_OBJECT(btn), "released",
1266                          G_CALLBACK(link_btn_released), window);
1267
1268         local_url = g_strdup(url);
1269         g_signal_connect(G_OBJECT(btn), "clicked",
1270                          G_CALLBACK(link_btn_clicked), local_url);
1271         g_signal_connect(G_OBJECT(btn), "unrealize",
1272                          G_CALLBACK(link_btn_unrealize), local_url);
1273         return btn;
1274 }
1275
1276 static gboolean _combobox_separator_func(GtkTreeModel *model,
1277                 GtkTreeIter *iter, gpointer data)
1278 {
1279         gchar *txt = NULL;
1280
1281         cm_return_val_if_fail(model != NULL, FALSE);
1282
1283         gtk_tree_model_get(model, iter, COMBOBOX_TEXT, &txt, -1);
1284
1285         if( txt == NULL )
1286                 return TRUE;
1287         return FALSE;
1288 }
1289
1290 GtkWidget *gtkut_sc_combobox_create(GtkWidget *eventbox, gboolean focus_on_click)
1291 {
1292         GtkWidget *combobox;
1293         GtkListStore *menu;
1294         GtkCellRenderer *rend;
1295
1296         menu = gtk_list_store_new(3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_BOOLEAN);
1297
1298         combobox = gtk_combo_box_new_with_model(GTK_TREE_MODEL(menu));
1299
1300         rend = gtk_cell_renderer_text_new();
1301         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combobox), rend, TRUE);
1302         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combobox), rend,
1303                         "markup", COMBOBOX_TEXT,
1304                         "sensitive", COMBOBOX_SENS,
1305                         NULL);
1306
1307         if( eventbox != NULL )
1308                 gtk_container_add(GTK_CONTAINER(eventbox), combobox);
1309         gtk_combo_box_set_focus_on_click(GTK_COMBO_BOX(combobox), focus_on_click);
1310
1311         gtk_combo_box_set_row_separator_func(GTK_COMBO_BOX(combobox),
1312                         (GtkTreeViewRowSeparatorFunc)_combobox_separator_func, NULL, NULL);
1313
1314         return combobox;
1315 }
1316
1317 static void gtkutils_smooth_scroll_do(GtkWidget *widget, GtkAdjustment *vadj,
1318                                       gfloat old_value, gfloat last_value,
1319                                       gint step)
1320 {
1321         gint change_value;
1322         gboolean up;
1323         gint i;
1324
1325         if (old_value < last_value) {
1326                 change_value = last_value - old_value;
1327                 up = FALSE;
1328         } else {
1329                 change_value = old_value - last_value;
1330                 up = TRUE;
1331         }
1332
1333         for (i = step; i <= change_value; i += step) {
1334                 gtk_adjustment_set_value(vadj, old_value + (up ? -i : i));
1335                 g_signal_emit_by_name(G_OBJECT(vadj),
1336                                       "value_changed", 0);
1337         }
1338
1339         gtk_adjustment_set_value(vadj, last_value);
1340         g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0);
1341
1342         gtk_widget_queue_draw(widget);
1343 }
1344
1345 static gboolean gtkutils_smooth_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1346 {
1347         gfloat upper;
1348         gfloat page_incr;
1349         gfloat old_value;
1350         gfloat last_value;
1351
1352         page_incr = gtk_adjustment_get_page_increment(vadj);
1353         if (prefs_common.scroll_halfpage)
1354                 page_incr /= 2;
1355
1356         old_value = gtk_adjustment_get_value(vadj);
1357         if (!up) {
1358                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1359                 if (old_value < upper) {
1360                         last_value = old_value + page_incr;
1361                         last_value = MIN(last_value, upper);
1362
1363                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1364                                                   last_value,
1365                                                   prefs_common.scroll_step);
1366                 } else
1367                         return FALSE;
1368         } else {
1369                 if (old_value > 0.0) {
1370                         last_value = old_value - page_incr;
1371                         last_value = MAX(last_value, 0.0);
1372
1373                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1374                                                   last_value,
1375                                                   prefs_common.scroll_step);
1376                 } else
1377                         return FALSE;
1378         }
1379
1380         return TRUE;
1381 }
1382
1383 gboolean gtkutils_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1384 {
1385         gfloat upper;
1386         gfloat page_incr;
1387         gfloat old_value;
1388
1389         if (prefs_common.enable_smooth_scroll)
1390                 return gtkutils_smooth_scroll_page(widget, vadj, up);
1391
1392         page_incr = gtk_adjustment_get_page_increment(vadj);
1393         if (prefs_common.scroll_halfpage)
1394                 page_incr /= 2;
1395
1396         old_value = gtk_adjustment_get_value(vadj);
1397         if (!up) {
1398                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1399                 if (old_value < upper) {
1400                         old_value += page_incr;
1401                         old_value = MIN(old_value, upper);
1402                         gtk_adjustment_set_value(vadj, old_value);
1403                         g_signal_emit_by_name(G_OBJECT(vadj),
1404                                               "value_changed", 0);
1405                 } else
1406                         return FALSE;
1407         } else {
1408                 if (old_value > 0.0) {
1409                         old_value -= page_incr;
1410                         old_value = MAX(old_value, 0.0);
1411                         gtk_adjustment_set_value(vadj, old_value);
1412                         g_signal_emit_by_name(G_OBJECT(vadj),
1413                                               "value_changed", 0);
1414                 } else
1415                         return FALSE;
1416         }
1417         return TRUE;
1418 }
1419
1420 static void gtkutils_smooth_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1421 {
1422         gfloat upper;
1423         gfloat old_value;
1424         gfloat last_value;
1425
1426         old_value = gtk_adjustment_get_value(vadj);
1427         if (!up) {
1428                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1429                 if (old_value < upper) {
1430                         last_value = old_value + gtk_adjustment_get_step_increment(vadj);
1431                         last_value = MIN(last_value, upper);
1432
1433                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1434                                                   last_value,
1435                                                   prefs_common.scroll_step);
1436                 }
1437         } else {
1438                 if (old_value > 0.0) {
1439                         last_value = old_value - gtk_adjustment_get_step_increment(vadj);
1440                         last_value = MAX(last_value, 0.0);
1441
1442                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1443                                                   last_value,
1444                                                   prefs_common.scroll_step);
1445                 }
1446         }
1447 }
1448
1449 void gtkutils_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1450 {
1451         gfloat upper;
1452         gfloat old_value;
1453
1454         if (prefs_common.enable_smooth_scroll) {
1455                 gtkutils_smooth_scroll_one_line(widget, vadj, up);
1456                 return;
1457         }
1458
1459         old_value = gtk_adjustment_get_value(vadj);
1460         if (!up) {
1461                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1462                 if (old_value < upper) {
1463                         old_value += gtk_adjustment_get_step_increment(vadj);
1464                         old_value = MIN(old_value, upper);
1465                         gtk_adjustment_set_value(vadj, old_value);
1466                         g_signal_emit_by_name(G_OBJECT(vadj),
1467                                               "value_changed", 0);
1468                 }
1469         } else {
1470                 if (old_value > 0.0) {
1471                         old_value -= gtk_adjustment_get_step_increment(vadj);
1472                         old_value = MAX(old_value, 0.0);
1473                         gtk_adjustment_set_value(vadj, old_value);
1474                         g_signal_emit_by_name(G_OBJECT(vadj),
1475                                               "value_changed", 0);
1476                 }
1477         }
1478 }
1479
1480 gboolean gtkut_tree_model_text_iter_prev(GtkTreeModel *model,
1481                                  GtkTreeIter *iter,
1482                                  const gchar* text)
1483 /* do the same as gtk_tree_model_iter_next, but _prev instead.
1484    to use with widgets with one text column (gtk_combo_box_new_text()
1485    and with GtkComboBoxEntry's for instance),
1486 */
1487 {
1488         GtkTreeIter cur_iter;
1489         gchar *cur_value;
1490         gboolean valid;
1491         gint count;
1492
1493         cm_return_val_if_fail(model != NULL, FALSE);
1494         cm_return_val_if_fail(iter != NULL, FALSE);
1495
1496         if (text == NULL || *text == '\0')
1497                 return FALSE;
1498
1499         valid = gtk_tree_model_get_iter_first(model, &cur_iter);
1500         count = 0;
1501         while (valid) {
1502                 gtk_tree_model_get(model, &cur_iter, 0, &cur_value, -1);
1503
1504                 if (strcmp(text, cur_value) == 0) {
1505                         if (count <= 0)
1506                                 return FALSE;
1507
1508                         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1509                 }
1510
1511                 valid = gtk_tree_model_iter_next(model, &cur_iter);
1512                 count++;
1513         }
1514         return FALSE;
1515 }
1516
1517 gboolean gtkut_tree_model_get_iter_last(GtkTreeModel *model,
1518                                  GtkTreeIter *iter)
1519 /* do the same as gtk_tree_model_get_iter_first, but _last instead.
1520 */
1521 {
1522         gint count;
1523
1524         cm_return_val_if_fail(model != NULL, FALSE);
1525         cm_return_val_if_fail(iter != NULL, FALSE);
1526
1527         count = gtk_tree_model_iter_n_children(model, NULL);
1528
1529         if (count <= 0)
1530                 return FALSE;
1531
1532         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1533 }
1534
1535 GtkWidget *gtkut_window_new             (GtkWindowType   type,
1536                                          const gchar    *class)
1537 {
1538 #ifndef MAEMO
1539         GtkWidget *window = gtk_window_new(type);
1540 #else
1541         GtkWidget *window = hildon_window_new();
1542         hildon_program_add_window(hildon_program, HILDON_WINDOW(window));
1543 #endif
1544         gtk_window_set_role(GTK_WINDOW(window), class);
1545         return window;
1546 }
1547
1548 static gboolean gtkut_tree_iter_comp(GtkTreeModel *model,
1549                                      GtkTreeIter *iter1,
1550                                      GtkTreeIter *iter2)
1551 {
1552         GtkTreePath *path1 = gtk_tree_model_get_path(model, iter1);
1553         GtkTreePath *path2 = gtk_tree_model_get_path(model, iter2);
1554         gboolean result;
1555
1556         result = gtk_tree_path_compare(path1, path2) == 0;
1557
1558         gtk_tree_path_free(path1);
1559         gtk_tree_path_free(path2);
1560
1561         return result;
1562 }
1563
1564 /*!
1565  *\brief        Get selected row number.
1566  */
1567 gint gtkut_list_view_get_selected_row(GtkWidget *list_view)
1568 {
1569         GtkTreeView *view = GTK_TREE_VIEW(list_view);
1570         GtkTreeModel *model = gtk_tree_view_get_model(view);
1571         int n_rows = gtk_tree_model_iter_n_children(model, NULL);
1572         GtkTreeSelection *selection;
1573         GtkTreeIter iter;
1574         int row;
1575
1576         if (n_rows == 0)
1577                 return -1;
1578
1579         selection = gtk_tree_view_get_selection(view);
1580         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1581                 return -1;
1582
1583         /* get all iterators and compare them... */
1584         for (row = 0; row < n_rows; row++) {
1585                 GtkTreeIter itern;
1586
1587                 gtk_tree_model_iter_nth_child(model, &itern, NULL, row);
1588                 if (gtkut_tree_iter_comp(model, &iter, &itern))
1589                         return row;
1590         }
1591
1592         return -1;
1593 }
1594
1595 /*!
1596  *\brief        Select a row by its number.
1597  */
1598 gboolean gtkut_list_view_select_row(GtkWidget *list, gint row)
1599 {
1600         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1601         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
1602         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1603         GtkTreeIter iter;
1604         GtkTreePath *path;
1605
1606         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1607                 return FALSE;
1608
1609         gtk_tree_selection_select_iter(selection, &iter);
1610
1611         path = gtk_tree_model_get_path(model, &iter);
1612         gtk_tree_view_set_cursor(list_view, path, NULL, FALSE);
1613         gtk_tree_path_free(path);
1614
1615         return TRUE;
1616 }
1617
1618 static GtkUIManager *gui_manager = NULL;
1619
1620 GtkUIManager *gtkut_create_ui_manager(void)
1621 {
1622         cm_return_val_if_fail(gui_manager == NULL, gui_manager);
1623         return (gui_manager = gtk_ui_manager_new());
1624 }
1625
1626 GtkUIManager *gtkut_ui_manager(void)
1627 {
1628         return gui_manager;
1629 }
1630
1631 typedef struct _ClawsIOClosure ClawsIOClosure;
1632
1633 struct _ClawsIOClosure
1634 {
1635   ClawsIOFunc function;
1636   GIOCondition condition;
1637   GDestroyNotify notify;
1638   gpointer data;
1639 };
1640
1641 static gboolean
1642 claws_io_invoke (GIOChannel   *source,
1643                  GIOCondition  condition,
1644                  gpointer      data)
1645 {
1646   ClawsIOClosure *closure = data;
1647
1648   if (closure->condition & condition)
1649     closure->function (closure->data, g_io_channel_unix_get_fd (source),
1650                        condition);
1651
1652   return TRUE;
1653 }
1654
1655 static void
1656 claws_io_destroy (gpointer data)
1657 {
1658   ClawsIOClosure *closure = data;
1659
1660   if (closure->notify)
1661     closure->notify (closure->data);
1662
1663   g_free (closure);
1664 }
1665
1666 gint
1667 claws_input_add    (gint              source,
1668                     GIOCondition      condition,
1669                     ClawsIOFunc       function,
1670                     gpointer          data,
1671                     gboolean          is_sock)
1672 {
1673   guint result;
1674   ClawsIOClosure *closure = g_new (ClawsIOClosure, 1);
1675   GIOChannel *channel;
1676
1677   closure->function = function;
1678   closure->condition = condition;
1679   closure->notify = NULL;
1680   closure->data = data;
1681
1682 #ifndef G_OS_WIN32
1683   channel = g_io_channel_unix_new (source);
1684 #else
1685   if (is_sock)
1686     channel = g_io_channel_win32_new_socket(source);
1687   else
1688     channel = g_io_channel_win32_new_fd(source);
1689 #endif
1690   result = g_io_add_watch_full (channel, G_PRIORITY_DEFAULT, condition,
1691                                 claws_io_invoke,
1692                                 closure, claws_io_destroy);
1693   g_io_channel_unref (channel);
1694
1695   return result;
1696 }
1697
1698 void gtkut_widget_set_mapped(GtkWidget *widget, gboolean mapped)
1699 {
1700 #if GTK_CHECK_VERSION(2,20,0)
1701         gtk_widget_set_mapped(widget, mapped);
1702 #else
1703         if (mapped)
1704                 GTK_WIDGET_SET_FLAGS(widget, GTK_MAPPED);
1705         else
1706                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_MAPPED);
1707 #endif
1708 }
1709
1710 void gtkut_widget_set_realized(GtkWidget *widget, gboolean realized)
1711 {
1712 #if GTK_CHECK_VERSION(2,20,0)
1713         gtk_widget_set_realized(widget, realized);
1714 #else
1715         if (realized)
1716                 GTK_WIDGET_SET_FLAGS(widget, GTK_REALIZED);
1717         else
1718                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_REALIZED);
1719 #endif
1720 }
1721
1722 void gtkut_widget_set_can_default(GtkWidget *widget, gboolean can_default)
1723 {
1724 #if GTK_CHECK_VERSION(2,20,0)
1725         gtk_widget_set_can_default(widget, can_default);
1726 #else
1727         if (can_default)
1728                 GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_DEFAULT);
1729         else
1730                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_DEFAULT);
1731 #endif
1732 }
1733
1734 void gtkut_widget_set_receives_default(GtkWidget *widget, gboolean receives_default)
1735 {
1736 #if GTK_CHECK_VERSION(2,20,0)
1737         gtk_widget_set_receives_default(widget, receives_default);
1738 #else
1739         if (receives_default)
1740                 GTK_WIDGET_SET_FLAGS(widget, GTK_RECEIVES_DEFAULT);
1741         else
1742                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_RECEIVES_DEFAULT);
1743 #endif
1744 }
1745
1746 void gtkut_widget_set_can_focus(GtkWidget *widget, gboolean can_focus)
1747 {
1748 #if GTK_CHECK_VERSION(2,20,0)
1749         gtk_widget_set_can_focus(widget, can_focus);
1750 #else
1751         if (can_focus)
1752                 GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_FOCUS);
1753         else
1754                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_FOCUS);
1755 #endif
1756 }
1757
1758 void gtkut_widget_set_has_window(GtkWidget *widget, gboolean has_window)
1759 {
1760 #if GTK_CHECK_VERSION(2,20,0)
1761         gtk_widget_set_has_window(widget, has_window);
1762 #else
1763         if (has_window) /* Inverted logic there */
1764                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_NO_WINDOW);
1765         else
1766                 GTK_WIDGET_SET_FLAGS(widget, GTK_NO_WINDOW);
1767 #endif
1768 }
1769
1770 /**
1771  * Load a pixbuf fitting inside the specified size. EXIF orientation is
1772  * respected if available.
1773  *
1774  * @param[in] filename          the file to load
1775  * @param[in] box_width         the max width (-1 for no resize)
1776  * @param[in] box_height        the max height (-1 for no resize)
1777  * @param[out] error            the possible load error
1778  *
1779  * @return a GdkPixbuf
1780  */
1781 GdkPixbuf *claws_load_pixbuf_fitting(GdkPixbuf *src_pixbuf, int box_width,
1782                                      int box_height)
1783 {
1784         gint w, h, orientation, angle;
1785         gint avail_width, avail_height;
1786         gboolean flip_horiz, flip_vert;
1787         const gchar *orient_str;
1788         GdkPixbuf *pixbuf, *t_pixbuf;
1789
1790         pixbuf = src_pixbuf;
1791
1792         if (pixbuf == NULL)
1793                 return NULL;
1794
1795         angle = 0;
1796         flip_horiz = flip_vert = FALSE;
1797
1798         /* EXIF orientation */
1799         orient_str = gdk_pixbuf_get_option(pixbuf, "orientation");
1800         if (orient_str != NULL && *orient_str != '\0') {
1801                 orientation = atoi(orient_str);
1802                 switch(orientation) {
1803                         /* See EXIF standard for different values */
1804                         case 1: break;
1805                         case 2: flip_horiz = 1;
1806                                 break;
1807                         case 3: angle = 180;
1808                                 break;
1809                         case 4: flip_vert = 1;
1810                                 break;
1811                         case 5: angle = 90;
1812                                 flip_horiz = 1;
1813                                 break;
1814                         case 6: angle = 270;
1815                                 break;
1816                         case 7: angle = 90;
1817                                 flip_vert = 1;
1818                                 break;
1819                         case 8: angle = 90;
1820                                 break;
1821                 }
1822         }
1823
1824         w = gdk_pixbuf_get_width(pixbuf);
1825         h = gdk_pixbuf_get_height(pixbuf);
1826
1827         if (angle == 90 || angle == 270) {
1828                 avail_height = box_width;
1829                 avail_width = box_height;
1830         } else {
1831                 avail_width = box_width;
1832                 avail_height = box_height;
1833         }
1834
1835         /* Scale first */
1836         if (box_width != -1 && box_height != -1 && avail_width - 100 > 0) {
1837                 if (w > avail_width) {
1838                         h = (avail_width * h) / w;
1839                         w = avail_width;
1840                 }
1841                 if (h > avail_height) {
1842                         w = (avail_height * w) / h;
1843                         h = avail_height;
1844                 }
1845                 t_pixbuf = gdk_pixbuf_scale_simple(pixbuf,
1846                         w, h, GDK_INTERP_BILINEAR);
1847                 g_object_unref(pixbuf);
1848                 pixbuf = t_pixbuf;
1849         }
1850
1851         /* Rotate if needed */
1852         if (angle != 0) {
1853                 t_pixbuf = gdk_pixbuf_rotate_simple(pixbuf, angle);
1854                 g_object_unref(pixbuf);
1855                 pixbuf = t_pixbuf;
1856         }
1857
1858         /* Flip horizontally if needed */
1859         if (flip_horiz) {
1860                 t_pixbuf = gdk_pixbuf_flip(pixbuf, TRUE);
1861                 g_object_unref(pixbuf);
1862                 pixbuf = t_pixbuf;
1863         }
1864
1865         /* Flip vertically if needed */
1866         if (flip_vert) {
1867                 t_pixbuf = gdk_pixbuf_flip(pixbuf, FALSE);
1868                 g_object_unref(pixbuf);
1869                 pixbuf = t_pixbuf;
1870         }
1871
1872         return pixbuf;
1873 }