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 #include "gtk/gtksctree.h"
  30 #include <stdlib.h>
  31 #include <stdarg.h>
  32 #include <sys/stat.h>
  33
  34 #include "combobox.h"
  35
  36 #if HAVE_LIBCOMPFACE
  37 #  include <compface.h>
  38 #endif
  39
  40 #if HAVE_LIBCOMPFACE
  41 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  42 #endif
  43
  44 #if (HAVE_WCTYPE_H && HAVE_WCHAR_H)
  45 #  include <wchar.h>
  46 #  include <wctype.h>
  47 #endif
  48
  49 #include "defs.h"
  50 #include "gtkutils.h"
  51 #include "utils.h"
  52 #include "gtksctree.h"
  53 #include "codeconv.h"
  54 #include "stock_pixmap.h"
  55 #include "menu.h"
  56 #include "prefs_account.h"
  57 #include "prefs_common.h"
  58 #include "manage_window.h"
  59 #include "base64.h"
  60 #include "manual.h"
  61 #include "combobox.h"
  62
  63 gboolean gtkut_get_font_size(GtkWidget *widget,
  64                              gint *width, gint *height)
  65 {
  66         PangoLayout *layout;
  67         const gchar *str = "Abcdef";
  68
  69         cm_return_val_if_fail(GTK_IS_WIDGET(widget), FALSE);
  70
  71         layout = gtk_widget_create_pango_layout(widget, str);
  72         cm_return_val_if_fail(layout, FALSE);
  73         pango_layout_get_pixel_size(layout, width, height);
  74         if (width)
  75                 *width = *width / g_utf8_strlen(str, -1);
  76         g_object_unref(layout);
  77
  78         return TRUE;
  79 }
  80
  81 void gtkut_widget_set_small_font_size(GtkWidget *widget)
  82 {
  83         PangoFontDescription *font_desc;
  84         gint size;
  85
  86         cm_return_if_fail(widget != NULL);
  87         cm_return_if_fail(gtk_widget_get_style(widget) != NULL);
  88
  89         if (prefs_common.derive_from_normal_font || !SMALL_FONT) {
  90                 font_desc = pango_font_description_from_string(NORMAL_FONT);
  91                 size = pango_font_description_get_size(font_desc);
  92                 pango_font_description_set_size(font_desc, size * PANGO_SCALE_SMALL);
  93                 gtk_widget_modify_font(widget, font_desc);
  94                 pango_font_description_free(font_desc);
  95         } else {
  96                 font_desc = pango_font_description_from_string(SMALL_FONT);
  97                 gtk_widget_modify_font(widget, font_desc);
  98                 pango_font_description_free(font_desc);
  99         }
 100 }
 101
 102 void gtkut_convert_int_to_gdk_color(gint rgbvalue, GdkColor *color)
 103 {
 104         cm_return_if_fail(color != NULL);
 105
 106         color->pixel = 0L;
 107         color->red   = (int) (((gdouble)((rgbvalue & 0xff0000) >> 16) / 255.0) * 65535.0);
 108         color->green = (int) (((gdouble)((rgbvalue & 0x00ff00) >>  8) / 255.0) * 65535.0);
 109         color->blue  = (int) (((gdouble) (rgbvalue & 0x0000ff)        / 255.0) * 65535.0);
 110 }
 111
 112 #define CL(x)   (((gulong) (x) >> (gulong) 8) & 0xFFUL)
 113 #define RGB_FROM_GDK_COLOR(c) \
 114         ((CL(c->red)   << (gulong) 16) | \
 115          (CL(c->green) << (gulong)  8) | \
 116          (CL(c->blue)))
 117
 118 gint gtkut_convert_gdk_color_to_int(GdkColor *color)
 119 {
 120         return RGB_FROM_GDK_COLOR(color);
 121 }
 122
 123 void gtkut_stock_button_add_help(GtkWidget *bbox, GtkWidget **help_btn)
 124 {
 125         cm_return_if_fail(bbox != NULL);
 126
 127         *help_btn = gtk_button_new_from_stock(GTK_STOCK_HELP);
 128
 129         gtkut_widget_set_can_default(*help_btn, TRUE);
 130         gtk_box_pack_end(GTK_BOX (bbox), *help_btn, TRUE, TRUE, 0);
 131         gtk_button_box_set_child_secondary(GTK_BUTTON_BOX (bbox),
 132                         *help_btn, TRUE);
 133         gtk_widget_set_sensitive(*help_btn,
 134                         manual_available(MANUAL_MANUAL_CLAWS));
 135         gtk_widget_show(*help_btn);
 136 }
 137
 138 void gtkut_stock_button_set_create_with_help(GtkWidget **bbox,
 139                 GtkWidget **help_button,
 140                 GtkWidget **button1, const gchar *label1,
 141                 GtkWidget **button2, const gchar *label2,
 142                 GtkWidget **button3, const gchar *label3)
 143 {
 144         cm_return_if_fail(bbox != NULL);
 145         cm_return_if_fail(button1 != NULL);
 146
 147         gtkut_stock_button_set_create(bbox, button1, label1,
 148                         button2, label2, button3, label3);
 149
 150         gtkut_stock_button_add_help(*bbox, help_button);
 151 }
 152
 153 void gtkut_stock_button_set_create(GtkWidget **bbox,
 154                                    GtkWidget **button1, const gchar *label1,
 155                                    GtkWidget **button2, const gchar *label2,
 156                                    GtkWidget **button3, const gchar *label3)
 157 {
 158         cm_return_if_fail(bbox != NULL);
 159         cm_return_if_fail(button1 != NULL);
 160
 161         *bbox = gtk_hbutton_box_new();
 162         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 163         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 164
 165         *button1 = gtk_button_new_from_stock(label1);
 166         gtkut_widget_set_can_default(*button1, TRUE);
 167         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 168         gtk_widget_show(*button1);
 169
 170         if (button2) {
 171                 *button2 = gtk_button_new_from_stock(label2);
 172                 gtkut_widget_set_can_default(*button2, TRUE);
 173                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 174                 gtk_widget_show(*button2);
 175         }
 176
 177         if (button3) {
 178                 *button3 = gtk_button_new_from_stock(label3);
 179                 gtkut_widget_set_can_default(*button3, TRUE);
 180                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 181                 gtk_widget_show(*button3);
 182         }
 183 }
 184
 185 void gtkut_stock_with_text_button_set_create(GtkWidget **bbox,
 186                                    GtkWidget **button1, const gchar *label1, const gchar *text1,
 187                                    GtkWidget **button2, const gchar *label2, const gchar *text2,
 188                                    GtkWidget **button3, const gchar *label3, const gchar *text3)
 189 {
 190         cm_return_if_fail(bbox != NULL);
 191         cm_return_if_fail(button1 != NULL);
 192
 193         *bbox = gtk_hbutton_box_new();
 194         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 195         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 196
 197         *button1 = gtk_button_new_with_mnemonic(text1);
 198         gtk_button_set_image(GTK_BUTTON(*button1),
 199                 gtk_image_new_from_stock(label1, GTK_ICON_SIZE_BUTTON));
 200         gtkut_widget_set_can_default(*button1, TRUE);
 201         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 202         gtk_widget_show(*button1);
 203
 204         if (button2) {
 205                 *button2 = gtk_button_new_with_mnemonic(text2);
 206                 gtk_button_set_image(GTK_BUTTON(*button2),
 207                         gtk_image_new_from_stock(label2, GTK_ICON_SIZE_BUTTON));
 208                 gtkut_widget_set_can_default(*button2, TRUE);
 209                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 210                 gtk_widget_show(*button2);
 211         }
 212
 213         if (button3) {
 214                 *button3 = gtk_button_new_with_mnemonic(text3);
 215                 gtk_button_set_image(GTK_BUTTON(*button3),
 216                         gtk_image_new_from_stock(label3, GTK_ICON_SIZE_BUTTON));
 217                 gtkut_widget_set_can_default(*button3, TRUE);
 218                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 219                 gtk_widget_show(*button3);
 220         }
 221 }
 222
 223 #define CELL_SPACING 1
 224 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
 225                                     (((row) + 1) * CELL_SPACING) + \
 226                                     (clist)->voffset)
 227 #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
 228                                    ((clist)->row_height + CELL_SPACING))
 229
 230 void gtkut_ctree_node_move_if_on_the_edge(GtkCMCTree *ctree, GtkCMCTreeNode *node, gint _row)
 231 {
 232         GtkCMCList *clist = GTK_CMCLIST(ctree);
 233         gint row;
 234         GtkVisibility row_visibility, prev_row_visibility, next_row_visibility;
 235
 236         cm_return_if_fail(ctree != NULL);
 237         cm_return_if_fail(node != NULL);
 238
 239         row = (_row != -1 ? _row : g_list_position(clist->row_list, (GList *)node));
 240
 241         if (row < 0 || row >= clist->rows || clist->row_height == 0) return;
 242         row_visibility = gtk_cmclist_row_is_visible(clist, row);
 243         prev_row_visibility = gtk_cmclist_row_is_visible(clist, row - 1);
 244         next_row_visibility = gtk_cmclist_row_is_visible(clist, row + 1);
 245
 246         if (row_visibility == GTK_VISIBILITY_NONE) {
 247                 gtk_cmclist_moveto(clist, row, -1, 0.5, 0);
 248                 return;
 249         }
 250         if (row_visibility == GTK_VISIBILITY_FULL &&
 251             prev_row_visibility == GTK_VISIBILITY_FULL &&
 252             next_row_visibility == GTK_VISIBILITY_FULL)
 253                 return;
 254         if (prev_row_visibility != GTK_VISIBILITY_FULL &&
 255             next_row_visibility != GTK_VISIBILITY_FULL)
 256                 return;
 257
 258         if (prev_row_visibility != GTK_VISIBILITY_FULL) {
 259                 gtk_cmclist_moveto(clist, row, -1, 0.2, 0);
 260                 return;
 261         }
 262         if (next_row_visibility != GTK_VISIBILITY_FULL) {
 263                 gtk_cmclist_moveto(clist, row, -1, 0.8, 0);
 264                 return;
 265         }
 266 }
 267
 268 #undef CELL_SPACING
 269 #undef ROW_TOP_YPIXEL
 270 #undef ROW_FROM_YPIXEL
 271
 272 gint gtkut_ctree_get_nth_from_node(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 273 {
 274         cm_return_val_if_fail(ctree != NULL, -1);
 275         cm_return_val_if_fail(node != NULL, -1);
 276
 277         return g_list_position(GTK_CMCLIST(ctree)->row_list, (GList *)node);
 278 }
 279
 280 /* get the next node, including the invisible one */
 281 GtkCMCTreeNode *gtkut_ctree_node_next(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 282 {
 283         GtkCMCTreeNode *parent;
 284
 285         if (!node) return NULL;
 286
 287         if (GTK_CMCTREE_ROW(node)->children)
 288                 return GTK_CMCTREE_ROW(node)->children;
 289
 290         if (GTK_CMCTREE_ROW(node)->sibling)
 291                 return GTK_CMCTREE_ROW(node)->sibling;
 292
 293         for (parent = GTK_CMCTREE_ROW(node)->parent; parent != NULL;
 294              parent = GTK_CMCTREE_ROW(parent)->parent) {
 295                 if (GTK_CMCTREE_ROW(parent)->sibling)
 296                         return GTK_CMCTREE_ROW(parent)->sibling;
 297         }
 298
 299         return NULL;
 300 }
 301
 302 /* get the previous node, including the invisible one */
 303 GtkCMCTreeNode *gtkut_ctree_node_prev(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 304 {
 305         GtkCMCTreeNode *prev;
 306         GtkCMCTreeNode *child;
 307
 308         if (!node) return NULL;
 309
 310         prev = GTK_CMCTREE_NODE_PREV(node);
 311         if (prev == GTK_CMCTREE_ROW(node)->parent)
 312                 return prev;
 313
 314         child = prev;
 315         while (GTK_CMCTREE_ROW(child)->children != NULL) {
 316                 child = GTK_CMCTREE_ROW(child)->children;
 317                 while (GTK_CMCTREE_ROW(child)->sibling != NULL)
 318                         child = GTK_CMCTREE_ROW(child)->sibling;
 319         }
 320
 321         return child;
 322 }
 323
 324 gboolean gtkut_ctree_node_is_selected(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 325 {
 326         GtkCMCList *clist = GTK_CMCLIST(ctree);
 327         GList *cur;
 328
 329         for (cur = clist->selection; cur != NULL; cur = cur->next) {
 330                 if (node == GTK_CMCTREE_NODE(cur->data))
 331                         return TRUE;
 332         }
 333
 334         return FALSE;
 335 }
 336
 337 GtkCMCTreeNode *gtkut_ctree_find_collapsed_parent(GtkCMCTree *ctree,
 338                                                 GtkCMCTreeNode *node)
 339 {
 340         if (!node) return NULL;
 341
 342         while ((node = GTK_CMCTREE_ROW(node)->parent) != NULL) {
 343                 if (!GTK_CMCTREE_ROW(node)->expanded)
 344                         return node;
 345         }
 346
 347         return NULL;
 348 }
 349
 350 void gtkut_ctree_expand_parent_all(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 351 {
 352         while ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
 353                 gtk_cmctree_expand(ctree, node);
 354 }
 355
 356 gboolean gtkut_ctree_node_is_parent(GtkCMCTreeNode *parent, GtkCMCTreeNode *node)
 357 {
 358         GtkCMCTreeNode *tmp;
 359         cm_return_val_if_fail(node != NULL, FALSE);
 360         cm_return_val_if_fail(parent != NULL, FALSE);
 361         tmp = node;
 362
 363         while (tmp) {
 364                 if(GTK_CMCTREE_ROW(tmp)->parent && GTK_CMCTREE_ROW(tmp)->parent == parent)
 365                         return TRUE;
 366                 tmp = GTK_CMCTREE_ROW(tmp)->parent;
 367         }
 368
 369         return FALSE;
 370 }
 371
 372 void gtkut_ctree_set_focus_row(GtkCMCTree *ctree, GtkCMCTreeNode *node)
 373 {
 374         if (node == NULL)
 375                 return;
 376         gtkut_clist_set_focus_row(GTK_CMCLIST(ctree),
 377                                   gtkut_ctree_get_nth_from_node(ctree, node));
 378 }
 379
 380 void gtkut_clist_set_focus_row(GtkCMCList *clist, gint row)
 381 {
 382         clist->focus_row = row;
 383         GTKUT_CTREE_REFRESH(clist);
 384 }
 385
 386 void gtkut_container_remove(GtkContainer *container, GtkWidget *widget)
 387 {
 388         gtk_container_remove(container, widget);
 389 }
 390
 391 static gboolean gtkut_text_buffer_match_string(GtkTextBuffer *textbuf,
 392                                         const GtkTextIter *iter,
 393                                         gunichar *wcs, gint len,
 394                                         gboolean case_sens)
 395 {
 396         GtkTextIter start_iter, end_iter;
 397         gchar *utf8str, *p;
 398         gint match_count;
 399
 400         start_iter = end_iter = *iter;
 401         gtk_text_iter_forward_chars(&end_iter, len);
 402
 403         utf8str = gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter,
 404                                            FALSE);
 405         if (!utf8str) return FALSE;
 406
 407         if ((gint)g_utf8_strlen(utf8str, -1) != len) {
 408                 g_free(utf8str);
 409                 return FALSE;
 410         }
 411
 412         for (p = utf8str, match_count = 0;
 413              *p != '\0' && match_count < len;
 414              p = g_utf8_next_char(p), match_count++) {
 415                 gunichar wc;
 416
 417                 wc = g_utf8_get_char(p);
 418
 419                 if (case_sens) {
 420                         if (wc != wcs[match_count])
 421                                 break;
 422                 } else {
 423                         if (g_unichar_tolower(wc) !=
 424                             g_unichar_tolower(wcs[match_count]))
 425                                 break;
 426                 }
 427         }
 428
 429         g_free(utf8str);
 430
 431         if (match_count == len)
 432                 return TRUE;
 433         else
 434                 return FALSE;
 435 }
 436
 437 static gboolean gtkut_text_buffer_find(GtkTextBuffer *buffer, const GtkTextIter *iter,
 438                                 const gchar *str, gboolean case_sens,
 439                                 GtkTextIter *match_pos)
 440 {
 441         gunichar *wcs;
 442         gint len;
 443         glong items_read = 0, items_written = 0;
 444         GError *error = NULL;
 445         GtkTextIter iter_;
 446         gboolean found = FALSE;
 447
 448         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 449         if (error != NULL) {
 450                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n",
 451                           error->message);
 452                 g_error_free(error);
 453         }
 454         if (!wcs || items_written <= 0) return FALSE;
 455         len = (gint)items_written;
 456
 457         iter_ = *iter;
 458         do {
 459                 found = gtkut_text_buffer_match_string
 460                         (buffer, &iter_, wcs, len, case_sens);
 461                 if (found) {
 462                         *match_pos = iter_;
 463                         break;
 464                 }
 465         } while (gtk_text_iter_forward_char(&iter_));
 466
 467         g_free(wcs);
 468
 469         return found;
 470 }
 471
 472 static gboolean gtkut_text_buffer_find_backward(GtkTextBuffer *buffer,
 473                                          const GtkTextIter *iter,
 474                                          const gchar *str, gboolean case_sens,
 475                                          GtkTextIter *match_pos)
 476 {
 477         gunichar *wcs;
 478         gint len;
 479         glong items_read = 0, items_written = 0;
 480         GError *error = NULL;
 481         GtkTextIter iter_;
 482         gboolean found = FALSE;
 483
 484         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 485         if (error != NULL) {
 486                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n", error->message);
 487                 g_error_free(error);
 488         }
 489         if (!wcs || items_written <= 0) return FALSE;
 490         len = (gint)items_written;
 491
 492         iter_ = *iter;
 493         while (gtk_text_iter_backward_char(&iter_)) {
 494                 found = gtkut_text_buffer_match_string
 495                         (buffer, &iter_, wcs, len, case_sens);
 496                 if (found) {
 497                         *match_pos = iter_;
 498                         break;
 499                 }
 500         }
 501
 502         g_free(wcs);
 503
 504         return found;
 505 }
 506
 507 gchar *gtkut_text_view_get_selection(GtkTextView *textview)
 508 {
 509         GtkTextBuffer *buffer;
 510         GtkTextIter start_iter, end_iter;
 511         gboolean found;
 512
 513         cm_return_val_if_fail(GTK_IS_TEXT_VIEW(textview), NULL);
 514
 515         buffer = gtk_text_view_get_buffer(textview);
 516         found = gtk_text_buffer_get_selection_bounds(buffer,
 517                                                      &start_iter,
 518                                                      &end_iter);
 519         if (found)
 520                 return gtk_text_buffer_get_text(buffer, &start_iter, &end_iter,
 521                                                 FALSE);
 522         else
 523                 return NULL;
 524 }
 525
 526
 527 void gtkut_text_view_set_position(GtkTextView *text, gint pos)
 528 {
 529         GtkTextBuffer *buffer;
 530         GtkTextIter iter;
 531
 532         cm_return_if_fail(text != NULL);
 533
 534         buffer = gtk_text_view_get_buffer(text);
 535
 536         gtk_text_buffer_get_iter_at_offset(buffer, &iter, pos);
 537         gtk_text_buffer_place_cursor(buffer, &iter);
 538         gtk_text_view_scroll_to_iter(text, &iter, 0.0, FALSE, 0.0, 0.0);
 539 }
 540
 541 gboolean gtkut_text_view_search_string(GtkTextView *text, const gchar *str,
 542                                         gboolean case_sens)
 543 {
 544         GtkTextBuffer *buffer;
 545         GtkTextIter iter, match_pos;
 546         GtkTextMark *mark;
 547         gint len;
 548
 549         cm_return_val_if_fail(text != NULL, FALSE);
 550         cm_return_val_if_fail(str != NULL, FALSE);
 551
 552         buffer = gtk_text_view_get_buffer(text);
 553
 554         len = g_utf8_strlen(str, -1);
 555         cm_return_val_if_fail(len >= 0, FALSE);
 556
 557         mark = gtk_text_buffer_get_insert(buffer);
 558         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
 559
 560         if (gtkut_text_buffer_find(buffer, &iter, str, case_sens,
 561                                    &match_pos)) {
 562                 GtkTextIter end = match_pos;
 563
 564                 gtk_text_iter_forward_chars(&end, len);
 565                 /* place "insert" at the last character */
 566                 gtk_text_buffer_select_range(buffer, &end, &match_pos);
 567                 gtk_text_view_scroll_to_mark(text, mark, 0.0, TRUE, 0.0, 0.5);
 568                 return TRUE;
 569         }
 570
 571         return FALSE;
 572 }
 573
 574 gboolean gtkut_text_view_search_string_backward(GtkTextView *text, const gchar *str,
 575                                         gboolean case_sens)
 576 {
 577         GtkTextBuffer *buffer;
 578         GtkTextIter iter, match_pos;
 579         GtkTextMark *mark;
 580         gint len;
 581
 582         cm_return_val_if_fail(text != NULL, FALSE);
 583         cm_return_val_if_fail(str != NULL, FALSE);
 584
 585         buffer = gtk_text_view_get_buffer(text);
 586
 587         len = g_utf8_strlen(str, -1);
 588         cm_return_val_if_fail(len >= 0, FALSE);
 589
 590         mark = gtk_text_buffer_get_insert(buffer);
 591         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
 592
 593         if (gtkut_text_buffer_find_backward(buffer, &iter, str, case_sens,
 594                                             &match_pos)) {
 595                 GtkTextIter end = match_pos;
 596
 597                 gtk_text_iter_forward_chars(&end, len);
 598                 gtk_text_buffer_select_range(buffer, &match_pos, &end);
 599                 gtk_text_view_scroll_to_mark(text, mark, 0.0, TRUE, 0.0, 0.5);
 600                 return TRUE;
 601         }
 602
 603         return FALSE;
 604 }
 605
 606 void gtkut_window_popup(GtkWidget *window)
 607 {
 608         GdkWindow *gdkwin;
 609         gint x, y, sx, sy, new_x, new_y;
 610
 611         gdkwin = gtk_widget_get_window(window);
 612
 613         cm_return_if_fail(window != NULL);
 614         cm_return_if_fail(gdkwin != NULL);
 615
 616         sx = gdk_screen_width();
 617         sy = gdk_screen_height();
 618
 619         gdk_window_get_origin(gdkwin, &x, &y);
 620         new_x = x % sx; if (new_x < 0) new_x = 0;
 621         new_y = y % sy; if (new_y < 0) new_y = 0;
 622         if (new_x != x || new_y != y)
 623                 gdk_window_move(gdkwin, new_x, new_y);
 624
 625         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(window), FALSE);
 626         gtk_window_present_with_time(GTK_WINDOW(window), time(NULL));
 627 }
 628
 629 void gtkut_widget_get_uposition(GtkWidget *widget, gint *px, gint *py)
 630 {
 631         GdkWindow *gdkwin;
 632         gint x, y;
 633         gint sx, sy;
 634
 635         gdkwin = gtk_widget_get_window(widget);
 636
 637         cm_return_if_fail(widget != NULL);
 638         cm_return_if_fail(gdkwin != NULL);
 639
 640         sx = gdk_screen_width();
 641         sy = gdk_screen_height();
 642
 643         /* gdk_window_get_root_origin ever return *rootwindow*'s position */
 644         gdk_window_get_root_origin(gdkwin, &x, &y);
 645
 646         x %= sx; if (x < 0) x = 0;
 647         y %= sy; if (y < 0) y = 0;
 648         *px = x;
 649         *py = y;
 650 }
 651
 652 void gtkut_widget_draw_now(GtkWidget *widget)
 653 {
 654         if (widget && gtkut_widget_get_visible(widget) && gtkut_widget_is_drawable(widget))
 655                 gdk_window_process_updates(gtk_widget_get_window(widget), FALSE);
 656 }
 657
 658 static void gtkut_clist_bindings_add(GtkWidget *clist)
 659 {
 660         GtkBindingSet *binding_set;
 661
 662         binding_set = gtk_binding_set_by_class
 663                 (GTK_CMCLIST_GET_CLASS(clist));
 664
 665         gtk_binding_entry_add_signal(binding_set, GDK_n, GDK_CONTROL_MASK,
 666                                      "scroll_vertical", 2,
 667                                      G_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 668                                      G_TYPE_FLOAT, 0.0);
 669         gtk_binding_entry_add_signal(binding_set, GDK_p, GDK_CONTROL_MASK,
 670                                      "scroll_vertical", 2,
 671                                      G_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 672                                      G_TYPE_FLOAT, 0.0);
 673 }
 674
 675 void gtkut_widget_init(void)
 676 {
 677         GtkWidget *clist;
 678
 679         clist = gtk_cmclist_new(1);
 680         g_object_ref(G_OBJECT(clist));
 681 #if GLIB_CHECK_VERSION(2,10,0)
 682         g_object_ref_sink (G_OBJECT(clist));
 683 #else
 684         gtk_object_ref (G_OBJECT(clist));
 685         gtk_object_sink (G_OBJECT(clist));
 686 #endif
 687         gtkut_clist_bindings_add(clist);
 688         g_object_unref(G_OBJECT(clist));
 689
 690         clist = gtk_cmctree_new(1, 0);
 691         g_object_ref(G_OBJECT(clist));
 692 #if GLIB_CHECK_VERSION(2,10,0)
 693         g_object_ref_sink (G_OBJECT(clist));
 694 #else
 695         gtk_object_ref (G_OBJECT(clist));
 696         gtk_object_sink (G_OBJECT(clist));
 697 #endif
 698         gtkut_clist_bindings_add(clist);
 699         g_object_unref(G_OBJECT(clist));
 700
 701         clist = gtk_sctree_new_with_titles(1, 0, NULL);
 702         g_object_ref(G_OBJECT(clist));
 703 #if GLIB_CHECK_VERSION(2,10,0)
 704         g_object_ref_sink (G_OBJECT(clist));
 705 #else
 706         gtk_object_ref (G_OBJECT(clist));
 707         gtk_object_sink (G_OBJECT(clist));
 708 #endif
 709         gtkut_clist_bindings_add(clist);
 710         g_object_unref(G_OBJECT(clist));
 711 }
 712
 713 void gtkut_widget_set_app_icon(GtkWidget *widget)
 714 {
 715         static GdkPixbuf *icon = NULL;
 716
 717         cm_return_if_fail(widget != NULL);
 718         cm_return_if_fail(gtk_widget_get_window(widget) != NULL);
 719         if (!icon) {
 720                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_CLAWS_MAIL_ICON, &icon);
 721         }
 722         if (icon)
 723                 gtk_window_set_icon(GTK_WINDOW(widget), icon);
 724 }
 725
 726 void gtkut_widget_set_composer_icon(GtkWidget *widget)
 727 {
 728         static GdkPixbuf *icon = NULL;
 729
 730         cm_return_if_fail(widget != NULL);
 731         cm_return_if_fail(gtk_widget_get_window(widget) != NULL);
 732         if (!icon) {
 733                 stock_pixbuf_gdk(widget, STOCK_PIXMAP_MAIL_COMPOSE, &icon);
 734         }
 735         if (icon)
 736                 gtk_window_set_icon(GTK_WINDOW(widget), icon);
 737 }
 738
 739 static gboolean move_bar = FALSE;
 740 static gint move_bar_id = -1;
 741
 742 static gboolean move_bar_cb(gpointer data)
 743 {
 744         GtkWidget *w = (GtkWidget *)data;
 745         if (!move_bar)
 746                 return FALSE;
 747
 748         if (!GTK_IS_PROGRESS_BAR(w)) {
 749                 return FALSE;
 750         }
 751
 752         gtk_progress_bar_pulse(GTK_PROGRESS_BAR(w));
 753         GTK_EVENTS_FLUSH();
 754         return TRUE;
 755 }
 756
 757 GtkWidget *label_window_create(const gchar *str)
 758 {
 759         GtkWidget *window;
 760         GtkWidget *label, *vbox, *hbox;
 761         GtkWidget *wait_progress = gtk_progress_bar_new();
 762
 763         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "gtkutils");
 764         gtk_widget_set_size_request(window, 380, 70);
 765         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 766         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 767         gtk_window_set_title(GTK_WINDOW(window), str);
 768         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 769         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 770         manage_window_set_transient(GTK_WINDOW(window));
 771
 772         label = gtk_label_new(str);
 773
 774         vbox = gtk_vbox_new(FALSE, 6);
 775         hbox = gtk_hbox_new(FALSE, 6);
 776         gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, FALSE, 0);
 777         gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, FALSE, 0);
 778         hbox = gtk_hbox_new(FALSE, 6);
 779         gtk_box_pack_start(GTK_BOX(hbox), wait_progress, TRUE, FALSE, 0);
 780         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 781
 782         gtk_container_add(GTK_CONTAINER(window), vbox);
 783         gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 784         gtk_misc_set_alignment(GTK_MISC(label), 0.5, 0.5);
 785         gtk_widget_show_all(vbox);
 786
 787         gtk_widget_show_now(window);
 788
 789         if (move_bar_id == -1) {
 790                 move_bar_id = g_timeout_add(200, move_bar_cb, wait_progress);
 791                 move_bar = TRUE;
 792         }
 793
 794         GTK_EVENTS_FLUSH();
 795
 796         return window;
 797 }
 798
 799 void label_window_destroy(GtkWidget *window)
 800 {
 801         move_bar = FALSE;
 802         g_source_remove(move_bar_id);
 803         move_bar_id = -1;
 804         GTK_EVENTS_FLUSH();
 805         gtk_widget_destroy(window);
 806 }
 807
 808 GtkWidget *gtkut_account_menu_new(GList                 *ac_list,
 809                                         GCallback               callback,
 810                                   gpointer              data)
 811 {
 812         GList *cur_ac;
 813         GtkWidget *optmenu;
 814         GtkListStore *menu;
 815         GtkTreeIter iter;
 816         PrefsAccount *account;
 817         gchar *name;
 818
 819         cm_return_val_if_fail(ac_list != NULL, NULL);
 820
 821         optmenu = gtkut_sc_combobox_create(NULL, FALSE);
 822         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(optmenu)));
 823
 824         for (cur_ac = ac_list; cur_ac != NULL; cur_ac = cur_ac->next) {
 825                 account = (PrefsAccount *) cur_ac->data;
 826                 if (account->name)
 827                         name = g_strdup_printf("%s: %s <%s>",
 828                                                account->account_name,
 829                                                account->name,
 830                                                account->address);
 831                 else
 832                         name = g_strdup_printf("%s: %s",
 833                                                account->account_name,
 834                                                account->address);
 835                 COMBOBOX_ADD_ESCAPED(menu, name, account->account_id);
 836                 g_free(name);
 837         }
 838         gtk_combo_box_set_active(GTK_COMBO_BOX(optmenu), 0);
 839
 840         if( callback != NULL )
 841                 g_signal_connect(G_OBJECT(optmenu), "changed", callback, data);
 842
 843         return optmenu;
 844 }
 845
 846 void gtkut_set_widget_bgcolor_rgb(GtkWidget *widget, guint rgbvalue)
 847 {
 848         GtkStyle *newstyle;
 849         GdkColor gdk_color;
 850
 851         gtkut_convert_int_to_gdk_color(rgbvalue, &gdk_color);
 852         newstyle = gtk_style_copy(gtk_widget_get_default_style());
 853         newstyle->bg[GTK_STATE_NORMAL]   = gdk_color;
 854         newstyle->bg[GTK_STATE_PRELIGHT] = gdk_color;
 855         newstyle->bg[GTK_STATE_ACTIVE]   = gdk_color;
 856         gtk_widget_set_style(widget, newstyle);
 857 }
 858
 859 /*!
 860  *\brief        Tries to find a focused child using a lame strategy
 861  */
 862 GtkWidget *gtkut_get_focused_child(GtkContainer *parent)
 863 {
 864         GtkWidget *result = NULL;
 865         GList *child_list = NULL;
 866         GList *c;
 867
 868         cm_return_val_if_fail(parent, NULL);
 869
 870         /* Get children list and see which has the focus. */
 871         child_list = gtk_container_get_children(parent);
 872         if (!child_list)
 873                 return NULL;
 874
 875         for (c = child_list; c != NULL; c = g_list_next(c)) {
 876                 if (c->data && GTK_IS_WIDGET(c->data)) {
 877                         if (gtkut_widget_has_focus(GTK_WIDGET(c->data))) {
 878                                 result = GTK_WIDGET(c->data);
 879                                 break;
 880                         }
 881                 }
 882         }
 883
 884         /* See if the returned widget is a container itself; if it is,
 885          * see if one of its children is focused. If the focused
 886          * container has no focused child, it is itself a focusable
 887          * child, and has focus. */
 888         if (result && GTK_IS_CONTAINER(result)) {
 889                 GtkWidget *tmp =  gtkut_get_focused_child(GTK_CONTAINER(result));
 890
 891                 if (tmp)
 892                         result = tmp;
 893         } else {
 894                 /* Try the same for each container in the chain */
 895                 for (c = child_list; c != NULL && !result; c = g_list_next(c)) {
 896                         if (c->data && GTK_IS_WIDGET(c->data)
 897                         &&  GTK_IS_CONTAINER(c->data)) {
 898                                 result = gtkut_get_focused_child
 899                                         (GTK_CONTAINER(c->data));
 900                         }
 901                 }
 902
 903         }
 904
 905         g_list_free(child_list);
 906
 907         return result;
 908 }
 909
 910 /*!
 911  *\brief        Create a Browse (file) button based on GTK+ stock
 912  */
 913 GtkWidget *gtkut_get_browse_file_btn(const gchar *button_label)
 914 {
 915         GtkWidget *button;
 916
 917         button = gtk_button_new_with_mnemonic(button_label);
 918         gtk_button_set_image(GTK_BUTTON(button),
 919                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
 920
 921         return button;
 922 }
 923
 924 /*!
 925  *\brief        Create a Browse (directory) button based on GTK+ stock
 926  */
 927 GtkWidget *gtkut_get_browse_directory_btn(const gchar *button_label)
 928 {
 929         GtkWidget *button;
 930
 931         button = gtk_button_new_with_mnemonic(button_label);
 932         gtk_button_set_image(GTK_BUTTON(button),
 933                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
 934
 935         return button;
 936 }
 937
 938 GtkWidget *gtkut_get_replace_btn(const gchar *button_label)
 939 {
 940         GtkWidget *button;
 941
 942         button = gtk_button_new_with_mnemonic(button_label);
 943         gtk_button_set_image(GTK_BUTTON(button),
 944                 gtk_image_new_from_stock(GTK_STOCK_REFRESH, GTK_ICON_SIZE_BUTTON));
 945
 946         return button;
 947 }
 948
 949 /**
 950  * merge some part of code into one function : it creates a frame and add
 951  *      these into gtk box widget passed in param.
 952  * \param box gtk box where adding new created frame.
 953  * \param pframe pointer with which to assign the frame. If NULL, no pointer
 954  *      is assigned but the frame is anyway created and added to @box.
 955  * \param frame_label frame label of new created frame.
 956  */
 957 GtkWidget *gtkut_get_options_frame(GtkWidget *box, GtkWidget **pframe,
 958                 const gchar *frame_label)
 959 {
 960         GtkWidget *vbox;
 961         GtkWidget *frame;
 962
 963         frame = gtk_frame_new(frame_label);
 964         gtk_widget_show(frame);
 965         gtk_box_pack_start(GTK_BOX(box), frame, FALSE, TRUE, 0);
 966         gtk_frame_set_label_align(GTK_FRAME(frame), 0.01, 0.5);
 967
 968         vbox = gtk_vbox_new (FALSE, 4);
 969         gtk_widget_show(vbox);
 970         gtk_container_add(GTK_CONTAINER (frame), vbox);
 971         gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
 972
 973         if (pframe != NULL)
 974                 *pframe = frame;
 975
 976         return vbox;
 977 }
 978
 979 #if HAVE_LIBCOMPFACE
 980 static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
 981 {
 982         static gchar *bit_pattern[] = {
 983                 "....",
 984                 "...#",
 985                 "..#.",
 986                 "..##",
 987                 ".#..",
 988                 ".#.#",
 989                 ".##.",
 990                 ".###",
 991                 "#...",
 992                 "#..#",
 993                 "#.#.",
 994                 "#.##",
 995                 "##..",
 996                 "##.#",
 997                 "###.",
 998                 "####"
 999         };
1000
1001         static gchar *xface_header = "48 48 2 1";
1002         static gchar *xface_black  = "# c #000000";
1003         static gchar *xface_white  = ". c #ffffff";
1004
1005         gint i, line = 0;
1006         const guchar *p;
1007         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
1008
1009         p = xface;
1010
1011         strcpy(xpm[line++], xface_header);
1012         strcpy(xpm[line++], xface_black);
1013         strcpy(xpm[line++], xface_white);
1014
1015         for (i = 0; i < HEIGHT; i++) {
1016                 gint col;
1017
1018                 buf[0] = '\0';
1019
1020                 for (col = 0; col < 3; col++) {
1021                         gint figure;
1022
1023                         p += 2;  /* skip '0x' */
1024
1025                         for (figure = 0; figure < 4; figure++) {
1026                                 gint n = 0;
1027
1028                                 if ('0' <= *p && *p <= '9') {
1029                                         n = *p - '0';
1030                                 } else if ('a' <= *p && *p <= 'f') {
1031                                         n = *p - 'a' + 10;
1032                                 } else if ('A' <= *p && *p <= 'F') {
1033                                         n = *p - 'A' + 10;
1034                                 }
1035
1036                                 strcat(buf, bit_pattern[n]);
1037                                 p++;  /* skip ',' */
1038                         }
1039
1040                         p++;  /* skip '\n' */
1041                 }
1042
1043                 strcpy(xpm[line++], buf);
1044                 p++;
1045         }
1046
1047         return 0;
1048 }
1049 #endif
1050
1051 gboolean get_tag_range(GtkTextIter *iter,
1052                                        GtkTextTag *tag,
1053                                        GtkTextIter *start_iter,
1054                                        GtkTextIter *end_iter)
1055 {
1056         GtkTextIter _start_iter, _end_iter;
1057
1058         _end_iter = *iter;
1059         if (!gtk_text_iter_forward_to_tag_toggle(&_end_iter, tag)) {
1060                 debug_print("Can't find end");
1061                 return FALSE;
1062         }
1063
1064         _start_iter = _end_iter;
1065         if (!gtk_text_iter_backward_to_tag_toggle(&_start_iter, tag)) {
1066                 debug_print("Can't find start.");
1067                 return FALSE;
1068         }
1069
1070         *start_iter = _start_iter;
1071         *end_iter = _end_iter;
1072
1073         return TRUE;
1074 }
1075
1076 #if HAVE_LIBCOMPFACE
1077 GtkWidget *xface_get_from_header(const gchar *o_xface, GdkColor *background,
1078                                  GdkWindow *window)
1079 {
1080         static gchar *xpm_xface[XPM_XFACE_HEIGHT];
1081         static gboolean xpm_xface_init = TRUE;
1082         gchar xface[2048];
1083         strncpy(xface, o_xface, sizeof(xface));
1084
1085         if (!window) {
1086                 g_warning("no window\n");
1087                 return NULL;
1088         }
1089         if (uncompface(xface) < 0) {
1090                 g_warning("uncompface failed\n");
1091                 return NULL;
1092         }
1093
1094         if (xpm_xface_init) {
1095                 gint i;
1096
1097                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
1098                         xpm_xface[i] = g_malloc(WIDTH + 1);
1099                         *xpm_xface[i] = '\0';
1100                 }
1101                 xpm_xface_init = FALSE;
1102         }
1103
1104         create_xpm_from_xface(xpm_xface, xface);
1105
1106         return gtk_image_new_from_pixbuf(
1107                 gdk_pixbuf_new_from_xpm_data((const char **)xpm_xface));
1108 }
1109 #endif
1110
1111 GtkWidget *face_get_from_header(const gchar *o_face)
1112 {
1113         gchar face[2048];
1114         gchar face_png[2048];
1115         gint pngsize;
1116         GdkPixbuf *pixbuf;
1117         GError *error = NULL;
1118         GdkPixbufLoader *loader = gdk_pixbuf_loader_new ();
1119         GtkWidget *image;
1120
1121         if (o_face == NULL || strlen(o_face) == 0)
1122                 return NULL;
1123
1124         strncpy2(face, o_face, sizeof(face));
1125
1126         unfold_line(face); /* strip all whitespace and linebreaks */
1127         remove_space(face);
1128
1129         pngsize = base64_decode(face_png, face, strlen(face));
1130
1131         if (!gdk_pixbuf_loader_write (loader, face_png, pngsize, &error) ||
1132             !gdk_pixbuf_loader_close (loader, &error)) {
1133                 g_warning("loading face failed\n");
1134                 g_object_unref(loader);
1135                 return NULL;
1136         }
1137
1138         pixbuf = g_object_ref(gdk_pixbuf_loader_get_pixbuf(loader));
1139
1140         g_object_unref(loader);
1141
1142         if ((gdk_pixbuf_get_width(pixbuf) != 48) || (gdk_pixbuf_get_height(pixbuf) != 48)) {
1143                 g_object_unref(pixbuf);
1144                 g_warning("wrong_size");
1145                 return NULL;
1146         }
1147
1148         image = gtk_image_new_from_pixbuf(pixbuf);
1149         g_object_unref(pixbuf);
1150         return image;
1151 }
1152
1153 static GdkCursor *hand_cursor = NULL;
1154
1155 static void link_btn_enter(GtkButton *button, gpointer data)
1156 {
1157         GdkWindow *gdkwin;
1158         GtkWidget *window = (GtkWidget *)data;
1159
1160         gdkwin = gtk_widget_get_window(window);
1161
1162         if (!hand_cursor)
1163                 hand_cursor = gdk_cursor_new(GDK_HAND2);
1164         if (window && gdkwin)
1165                 gdk_window_set_cursor(gdkwin, hand_cursor);
1166
1167         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1168         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1169
1170 }
1171
1172 static void link_btn_leave(GtkButton *button, gpointer data)
1173 {
1174         GdkWindow *gdkwin;
1175         GtkWidget *window = (GtkWidget *)data;
1176
1177         gdkwin = gtk_widget_get_window(window);
1178
1179         if (window && gdkwin)
1180                 gdk_window_set_cursor(gdkwin, NULL);
1181
1182         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1183         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1184 }
1185
1186 static void link_btn_pressed(GtkButton *button, gpointer data)
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_released(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_clicked(GtkButton *button, gpointer data)
1199 {
1200         gchar *url = (gchar *)data;
1201         gtk_button_set_relief(button, GTK_RELIEF_NONE);
1202         gtk_widget_set_state(GTK_WIDGET(button), GTK_STATE_NORMAL);
1203         open_uri(url, prefs_common_get_uri_cmd());
1204 }
1205
1206 static void link_btn_unrealize(GtkButton *button, gpointer data)
1207 {
1208         gchar *url = (gchar *)data;
1209         g_signal_handlers_disconnect_by_func(G_OBJECT(button),
1210                          G_CALLBACK(link_btn_clicked), url);
1211         g_free(url);
1212 }
1213
1214 GtkWidget *gtkut_get_link_btn(GtkWidget *window, const gchar *url, const gchar *label)
1215 {
1216         GtkWidget *btn;
1217         GtkWidget *btn_label;
1218         GdkColormap *cmap;
1219         GdkColor uri_color[2] = {{0, 0, 0, 0xffff}, {0, 0xffff, 0, 0}};
1220         gboolean success[2];
1221         gchar *local_url = NULL;
1222         if (!url)
1223                 return NULL;
1224
1225         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1226                                                &uri_color[0]);
1227         gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
1228                                                &uri_color[1]);
1229
1230         btn = gtk_button_new_with_label(label?label:url);
1231         gtk_button_set_relief(GTK_BUTTON(btn), GTK_RELIEF_NONE);
1232         btn_label = gtk_bin_get_child(GTK_BIN((btn)));
1233         cmap = gdk_drawable_get_colormap(gtk_widget_get_window(window));
1234         gdk_colormap_alloc_colors(cmap, uri_color, 2, FALSE, TRUE, success);
1235         if (success[0] == TRUE && success[1] == TRUE) {
1236                 GtkStyle *style;
1237                 gtk_widget_ensure_style(btn_label);
1238                 style = gtk_style_copy
1239                         (gtk_widget_get_style(btn_label));
1240                 style->fg[GTK_STATE_NORMAL]   = uri_color[0];
1241                 style->fg[GTK_STATE_ACTIVE]   = uri_color[1];
1242                 style->fg[GTK_STATE_PRELIGHT] = uri_color[0];
1243                 gtk_widget_set_style(btn_label, style);
1244         } else
1245                 g_warning("about_create(): color allocation failed.\n");
1246
1247         g_signal_connect(G_OBJECT(btn), "enter",
1248                          G_CALLBACK(link_btn_enter), window);
1249         g_signal_connect(G_OBJECT(btn), "leave",
1250                          G_CALLBACK(link_btn_leave), window);
1251         g_signal_connect(G_OBJECT(btn), "pressed",
1252                          G_CALLBACK(link_btn_pressed), window);
1253         g_signal_connect(G_OBJECT(btn), "released",
1254                          G_CALLBACK(link_btn_released), window);
1255
1256         local_url = g_strdup(url);
1257         g_signal_connect(G_OBJECT(btn), "clicked",
1258                          G_CALLBACK(link_btn_clicked), local_url);
1259         g_signal_connect(G_OBJECT(btn), "unrealize",
1260                          G_CALLBACK(link_btn_unrealize), local_url);
1261         return btn;
1262 }
1263
1264 static gboolean _combobox_separator_func(GtkTreeModel *model,
1265                 GtkTreeIter *iter, gpointer data)
1266 {
1267         gchar *txt = NULL;
1268
1269         cm_return_val_if_fail(model != NULL, FALSE);
1270
1271         gtk_tree_model_get(model, iter, COMBOBOX_TEXT, &txt, -1);
1272
1273         if( txt == NULL )
1274                 return TRUE;
1275         return FALSE;
1276 }
1277
1278 GtkWidget *gtkut_sc_combobox_create(GtkWidget *eventbox, gboolean focus_on_click)
1279 {
1280         GtkWidget *combobox;
1281         GtkListStore *menu;
1282         GtkCellRenderer *rend;
1283
1284         menu = gtk_list_store_new(3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_BOOLEAN);
1285
1286         combobox = gtk_combo_box_new_with_model(GTK_TREE_MODEL(menu));
1287
1288         rend = gtk_cell_renderer_text_new();
1289         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combobox), rend, TRUE);
1290         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combobox), rend,
1291                         "markup", COMBOBOX_TEXT,
1292                         "sensitive", COMBOBOX_SENS,
1293                         NULL);
1294
1295         if( eventbox != NULL )
1296                 gtk_container_add(GTK_CONTAINER(eventbox), combobox);
1297         gtk_combo_box_set_focus_on_click(GTK_COMBO_BOX(combobox), focus_on_click);
1298
1299         gtk_combo_box_set_row_separator_func(GTK_COMBO_BOX(combobox),
1300                         (GtkTreeViewRowSeparatorFunc)_combobox_separator_func, NULL, NULL);
1301
1302         return combobox;
1303 }
1304
1305 static void gtkutils_smooth_scroll_do(GtkWidget *widget, GtkAdjustment *vadj,
1306                                       gfloat old_value, gfloat last_value,
1307                                       gint step)
1308 {
1309         gint change_value;
1310         gboolean up;
1311         gint i;
1312
1313         if (old_value < last_value) {
1314                 change_value = last_value - old_value;
1315                 up = FALSE;
1316         } else {
1317                 change_value = old_value - last_value;
1318                 up = TRUE;
1319         }
1320
1321         for (i = step; i <= change_value; i += step) {
1322                 gtk_adjustment_set_value(vadj, old_value + (up ? -i : i));
1323                 g_signal_emit_by_name(G_OBJECT(vadj),
1324                                       "value_changed", 0);
1325         }
1326
1327         gtk_adjustment_set_value(vadj, last_value);
1328         g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0);
1329
1330         gtk_widget_queue_draw(widget);
1331 }
1332
1333 static gboolean gtkutils_smooth_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1334 {
1335         gfloat upper;
1336         gfloat page_incr;
1337         gfloat old_value;
1338         gfloat last_value;
1339
1340         page_incr = gtk_adjustment_get_page_increment(vadj);
1341         if (prefs_common.scroll_halfpage)
1342                 page_incr /= 2;
1343
1344         old_value = gtk_adjustment_get_value(vadj);
1345         if (!up) {
1346                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1347                 if (old_value < upper) {
1348                         last_value = old_value + page_incr;
1349                         last_value = MIN(last_value, upper);
1350
1351                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1352                                                   last_value,
1353                                                   prefs_common.scroll_step);
1354                 } else
1355                         return FALSE;
1356         } else {
1357                 if (old_value > 0.0) {
1358                         last_value = old_value - page_incr;
1359                         last_value = MAX(last_value, 0.0);
1360
1361                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1362                                                   last_value,
1363                                                   prefs_common.scroll_step);
1364                 } else
1365                         return FALSE;
1366         }
1367
1368         return TRUE;
1369 }
1370
1371 gboolean gtkutils_scroll_page(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1372 {
1373         gfloat upper;
1374         gfloat page_incr;
1375         gfloat old_value;
1376
1377         if (prefs_common.enable_smooth_scroll)
1378                 return gtkutils_smooth_scroll_page(widget, vadj, up);
1379
1380         page_incr = gtk_adjustment_get_page_increment(vadj);
1381         if (prefs_common.scroll_halfpage)
1382                 page_incr /= 2;
1383
1384         old_value = gtk_adjustment_get_value(vadj);
1385         if (!up) {
1386                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1387                 if (old_value < upper) {
1388                         old_value += page_incr;
1389                         old_value = MIN(old_value, upper);
1390                         gtk_adjustment_set_value(vadj, old_value);
1391                         g_signal_emit_by_name(G_OBJECT(vadj),
1392                                               "value_changed", 0);
1393                 } else
1394                         return FALSE;
1395         } else {
1396                 if (old_value > 0.0) {
1397                         old_value -= page_incr;
1398                         old_value = MAX(old_value, 0.0);
1399                         gtk_adjustment_set_value(vadj, old_value);
1400                         g_signal_emit_by_name(G_OBJECT(vadj),
1401                                               "value_changed", 0);
1402                 } else
1403                         return FALSE;
1404         }
1405         return TRUE;
1406 }
1407
1408 static void gtkutils_smooth_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1409 {
1410         gfloat upper;
1411         gfloat old_value;
1412         gfloat last_value;
1413
1414         old_value = gtk_adjustment_get_value(vadj);
1415         if (!up) {
1416                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1417                 if (old_value < upper) {
1418                         last_value = old_value + gtk_adjustment_get_step_increment(vadj);
1419                         last_value = MIN(last_value, upper);
1420
1421                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1422                                                   last_value,
1423                                                   prefs_common.scroll_step);
1424                 }
1425         } else {
1426                 if (old_value > 0.0) {
1427                         last_value = old_value - gtk_adjustment_get_step_increment(vadj);
1428                         last_value = MAX(last_value, 0.0);
1429
1430                         gtkutils_smooth_scroll_do(widget, vadj, old_value,
1431                                                   last_value,
1432                                                   prefs_common.scroll_step);
1433                 }
1434         }
1435 }
1436
1437 void gtkutils_scroll_one_line(GtkWidget *widget, GtkAdjustment *vadj, gboolean up)
1438 {
1439         gfloat upper;
1440         gfloat old_value;
1441
1442         if (prefs_common.enable_smooth_scroll) {
1443                 gtkutils_smooth_scroll_one_line(widget, vadj, up);
1444                 return;
1445         }
1446
1447         old_value = gtk_adjustment_get_value(vadj);
1448         if (!up) {
1449                 upper = gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj);
1450                 if (old_value < upper) {
1451                         old_value += gtk_adjustment_get_step_increment(vadj);
1452                         old_value = MIN(old_value, upper);
1453                         gtk_adjustment_set_value(vadj, old_value);
1454                         g_signal_emit_by_name(G_OBJECT(vadj),
1455                                               "value_changed", 0);
1456                 }
1457         } else {
1458                 if (old_value > 0.0) {
1459                         old_value -= gtk_adjustment_get_step_increment(vadj);
1460                         old_value = MAX(old_value, 0.0);
1461                         gtk_adjustment_set_value(vadj, old_value);
1462                         g_signal_emit_by_name(G_OBJECT(vadj),
1463                                               "value_changed", 0);
1464                 }
1465         }
1466 }
1467
1468 gboolean gtkut_tree_model_text_iter_prev(GtkTreeModel *model,
1469                                  GtkTreeIter *iter,
1470                                  const gchar* text)
1471 /* do the same as gtk_tree_model_iter_next, but _prev instead.
1472    to use with widgets with one text column (gtk_combo_box_new_text()
1473    and with GtkComboBoxEntry's for instance),
1474 */
1475 {
1476         GtkTreeIter cur_iter;
1477         gchar *cur_value;
1478         gboolean valid;
1479         gint count;
1480
1481         cm_return_val_if_fail(model != NULL, FALSE);
1482         cm_return_val_if_fail(iter != NULL, FALSE);
1483
1484         if (text == NULL || *text == '\0')
1485                 return FALSE;
1486
1487         valid = gtk_tree_model_get_iter_first(model, &cur_iter);
1488         count = 0;
1489         while (valid) {
1490                 gtk_tree_model_get(model, &cur_iter, 0, &cur_value, -1);
1491
1492                 if (strcmp(text, cur_value) == 0) {
1493                         if (count <= 0)
1494                                 return FALSE;
1495
1496                         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1497                 }
1498
1499                 valid = gtk_tree_model_iter_next(model, &cur_iter);
1500                 count++;
1501         }
1502         return FALSE;
1503 }
1504
1505 gboolean gtkut_tree_model_get_iter_last(GtkTreeModel *model,
1506                                  GtkTreeIter *iter)
1507 /* do the same as gtk_tree_model_get_iter_first, but _last instead.
1508 */
1509 {
1510         gint count;
1511
1512         cm_return_val_if_fail(model != NULL, FALSE);
1513         cm_return_val_if_fail(iter != NULL, FALSE);
1514
1515         count = gtk_tree_model_iter_n_children(model, NULL);
1516
1517         if (count <= 0)
1518                 return FALSE;
1519
1520         return gtk_tree_model_iter_nth_child(model, iter, NULL, count - 1);
1521 }
1522
1523 GtkWidget *gtkut_window_new             (GtkWindowType   type,
1524                                          const gchar    *class)
1525 {
1526 #ifndef MAEMO
1527         GtkWidget *window = gtk_window_new(type);
1528 #else
1529         GtkWidget *window = hildon_window_new();
1530         hildon_program_add_window(hildon_program, HILDON_WINDOW(window));
1531 #endif
1532         gtk_window_set_role(GTK_WINDOW(window), class);
1533         return window;
1534 }
1535
1536 static gboolean gtkut_tree_iter_comp(GtkTreeModel *model,
1537                                      GtkTreeIter *iter1,
1538                                      GtkTreeIter *iter2)
1539 {
1540         GtkTreePath *path1 = gtk_tree_model_get_path(model, iter1);
1541         GtkTreePath *path2 = gtk_tree_model_get_path(model, iter2);
1542         gboolean result;
1543
1544         result = gtk_tree_path_compare(path1, path2) == 0;
1545
1546         gtk_tree_path_free(path1);
1547         gtk_tree_path_free(path2);
1548
1549         return result;
1550 }
1551
1552 /*!
1553  *\brief        Get selected row number.
1554  */
1555 gint gtkut_list_view_get_selected_row(GtkWidget *list_view)
1556 {
1557         GtkTreeView *view = GTK_TREE_VIEW(list_view);
1558         GtkTreeModel *model = gtk_tree_view_get_model(view);
1559         int n_rows = gtk_tree_model_iter_n_children(model, NULL);
1560         GtkTreeSelection *selection;
1561         GtkTreeIter iter;
1562         int row;
1563
1564         if (n_rows == 0)
1565                 return -1;
1566
1567         selection = gtk_tree_view_get_selection(view);
1568         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1569                 return -1;
1570
1571         /* get all iterators and compare them... */
1572         for (row = 0; row < n_rows; row++) {
1573                 GtkTreeIter itern;
1574
1575                 gtk_tree_model_iter_nth_child(model, &itern, NULL, row);
1576                 if (gtkut_tree_iter_comp(model, &iter, &itern))
1577                         return row;
1578         }
1579
1580         return -1;
1581 }
1582
1583 /*!
1584  *\brief        Select a row by its number.
1585  */
1586 gboolean gtkut_list_view_select_row(GtkWidget *list, gint row)
1587 {
1588         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1589         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
1590         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1591         GtkTreeIter iter;
1592         GtkTreePath *path;
1593
1594         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1595                 return FALSE;
1596
1597         gtk_tree_selection_select_iter(selection, &iter);
1598
1599         path = gtk_tree_model_get_path(model, &iter);
1600         gtk_tree_view_set_cursor(list_view, path, NULL, FALSE);
1601         gtk_tree_path_free(path);
1602
1603         return TRUE;
1604 }
1605
1606 static GtkUIManager *gui_manager = NULL;
1607
1608 GtkUIManager *gtkut_create_ui_manager(void)
1609 {
1610         cm_return_val_if_fail(gui_manager == NULL, gui_manager);
1611         return (gui_manager = gtk_ui_manager_new());
1612 }
1613
1614 GtkUIManager *gtkut_ui_manager(void)
1615 {
1616         return gui_manager;
1617 }
1618
1619 #define READ_CONDITION (G_IO_IN | G_IO_HUP | G_IO_ERR)
1620 #define WRITE_CONDITION (G_IO_OUT | G_IO_ERR)
1621 #define EXCEPTION_CONDITION (G_IO_PRI)
1622 typedef struct _ClawsIOClosure ClawsIOClosure;
1623
1624 struct _ClawsIOClosure
1625 {
1626   GdkInputFunction function;
1627   GdkInputCondition condition;
1628   GDestroyNotify notify;
1629   gpointer data;
1630 };
1631
1632 static gboolean
1633 claws_io_invoke (GIOChannel   *source,
1634                GIOCondition  condition,
1635                gpointer      data)
1636 {
1637   ClawsIOClosure *closure = data;
1638   GdkInputCondition gdk_cond = 0;
1639
1640   if (condition & READ_CONDITION)
1641     gdk_cond |= GDK_INPUT_READ;
1642   if (condition & WRITE_CONDITION)
1643     gdk_cond |= GDK_INPUT_WRITE;
1644   if (condition & EXCEPTION_CONDITION)
1645     gdk_cond |= GDK_INPUT_EXCEPTION;
1646
1647   if (closure->condition & gdk_cond)
1648     closure->function (closure->data, g_io_channel_unix_get_fd (source), gdk_cond);
1649
1650   return TRUE;
1651 }
1652
1653 static void
1654 claws_io_destroy (gpointer data)
1655 {
1656   ClawsIOClosure *closure = data;
1657
1658   if (closure->notify)
1659     closure->notify (closure->data);
1660
1661   g_free (closure);
1662 }
1663
1664 gint
1665 claws_input_add    (gint              source,
1666                     GdkInputCondition condition,
1667                     GdkInputFunction  function,
1668                     gpointer          data,
1669                     gboolean          is_sock)
1670 {
1671   guint result;
1672   ClawsIOClosure *closure = g_new (ClawsIOClosure, 1);
1673   GIOChannel *channel;
1674   GIOCondition cond = 0;
1675
1676   closure->function = function;
1677   closure->condition = condition;
1678   closure->notify = NULL;
1679   closure->data = data;
1680
1681   if (condition & GDK_INPUT_READ)
1682     cond |= READ_CONDITION;
1683   if (condition & GDK_INPUT_WRITE)
1684     cond |= WRITE_CONDITION;
1685   if (condition & GDK_INPUT_EXCEPTION)
1686     cond |= EXCEPTION_CONDITION;
1687
1688 #ifndef G_OS_WIN32
1689   channel = g_io_channel_unix_new (source);
1690 #else
1691   if (is_sock)
1692     channel = g_io_channel_win32_new_socket(source);
1693   else
1694     channel = g_io_channel_win32_new_fd(source);
1695 #endif
1696   result = g_io_add_watch_full (channel, G_PRIORITY_DEFAULT, cond,
1697                                 claws_io_invoke,
1698                                 closure, claws_io_destroy);
1699   g_io_channel_unref (channel);
1700
1701   return result;
1702 }
1703
1704 gboolean gtkut_widget_has_focus(GtkWidget *widget)
1705 {
1706 #if GTK_CHECK_VERSION(2,18,0)
1707         return gtk_widget_has_focus(widget);
1708 #else
1709         return GTK_WIDGET_HAS_FOCUS(widget);
1710 #endif
1711 }
1712
1713 gboolean gtkut_widget_get_can_focus(GtkWidget *widget)
1714 {
1715 #if GTK_CHECK_VERSION(2,18,0)
1716         return gtk_widget_get_can_focus(widget);
1717 #else
1718         return GTK_WIDGET_CAN_FOCUS(widget);
1719 #endif
1720 }
1721
1722 gboolean gtkut_widget_has_grab(GtkWidget *widget)
1723 {
1724 #if GTK_CHECK_VERSION(2,18,0)
1725         return gtk_widget_has_grab(widget);
1726 #else
1727         return GTK_WIDGET_HAS_GRAB(widget);
1728 #endif
1729 }
1730
1731 gboolean gtkut_widget_get_visible(GtkWidget *widget)
1732 {
1733 #if GTK_CHECK_VERSION(2,18,0)
1734         return gtk_widget_get_visible(widget);
1735 #else
1736         return GTK_WIDGET_VISIBLE(widget);
1737 #endif
1738 }
1739
1740 gboolean gtkut_widget_get_realized(GtkWidget *widget)
1741 {
1742 #if GTK_CHECK_VERSION(2,19,0)
1743         return gtk_widget_get_realized(widget);
1744 #else
1745         return GTK_WIDGET_REALIZED(widget);
1746 #endif
1747 }
1748
1749 gboolean gtkut_widget_is_sensitive(GtkWidget *widget)
1750 {
1751 #if GTK_CHECK_VERSION(2,18,0)
1752         return gtk_widget_is_sensitive(widget);
1753 #else
1754         return GTK_WIDGET_IS_SENSITIVE(widget);
1755 #endif
1756 }
1757
1758 gboolean gtkut_widget_get_sensitive(GtkWidget *widget)
1759 {
1760 #if GTK_CHECK_VERSION(2,18,0)
1761         return gtk_widget_get_sensitive(widget);
1762 #else
1763         return GTK_WIDGET_SENSITIVE(widget);
1764 #endif
1765 }
1766
1767 gboolean gtkut_widget_is_drawable(GtkWidget *widget)
1768 {
1769 #if GTK_CHECK_VERSION(2,18,0)
1770         return gtk_widget_is_drawable(widget);
1771 #else
1772         return GTK_WIDGET_DRAWABLE(widget);
1773 #endif
1774 }
1775
1776 GtkStateType gtkut_widget_get_state(GtkWidget *widget)
1777 {
1778 #if GTK_CHECK_VERSION(2,18,0)
1779         return gtk_widget_get_state(widget);
1780 #else
1781         return GTK_WIDGET_STATE(widget);
1782 #endif
1783 }
1784
1785 gboolean gtkut_widget_get_mapped(GtkWidget *widget)
1786 {
1787 #if GTK_CHECK_VERSION(2,19,0)
1788         return gtk_widget_get_mapped(widget);
1789 #else
1790         return GTK_WIDGET_MAPPED(widget);
1791 #endif
1792 }
1793
1794 gboolean gtkut_widget_get_has_window(GtkWidget *widget)
1795 {
1796 #if GTK_CHECK_VERSION(2,18,0)
1797         return gtk_widget_get_has_window(widget);
1798 #else
1799         return GTK_WIDGET_NO_WINDOW(widget);
1800 #endif
1801 }
1802
1803 gboolean gtkut_widget_get_app_paintable(GtkWidget *widget)
1804 {
1805 #if GTK_CHECK_VERSION(2,18,0)
1806         return gtk_widget_get_app_paintable(widget);
1807 #else
1808         return GTK_WIDGET_APP_PAINTABLE(widget);
1809 #endif
1810 }
1811
1812 void gtkut_widget_set_mapped(GtkWidget *widget, gboolean mapped)
1813 {
1814 #if GTK_CHECK_VERSION(2,20,0)
1815         gtk_widget_set_mapped(widget, mapped);
1816 #else
1817         if (mapped)
1818                 GTK_WIDGET_SET_FLAGS(widget, GTK_MAPPED);
1819         else
1820                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_MAPPED);
1821 #endif
1822 }
1823
1824 void gtkut_widget_set_realized(GtkWidget *widget, gboolean realized)
1825 {
1826 #if GTK_CHECK_VERSION(2,20,0)
1827         gtk_widget_set_realized(widget, realized);
1828 #else
1829         if (realized)
1830                 GTK_WIDGET_SET_FLAGS(widget, GTK_REALIZED);
1831         else
1832                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_REALIZED);
1833 #endif
1834 }
1835
1836 void gtkut_widget_set_can_default(GtkWidget *widget, gboolean can_default)
1837 {
1838 #if GTK_CHECK_VERSION(2,20,0)
1839         gtk_widget_set_can_default(widget, can_default);
1840 #else
1841         if (can_default)
1842                 GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_DEFAULT);
1843         else
1844                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_DEFAULT);
1845 #endif
1846 }
1847
1848 void gtkut_widget_set_receives_default(GtkWidget *widget, gboolean receives_default)
1849 {
1850 #if GTK_CHECK_VERSION(2,20,0)
1851         gtk_widget_set_receives_default(widget, receives_default);
1852 #else
1853         if (receives_default)
1854                 GTK_WIDGET_SET_FLAGS(widget, GTK_RECEIVES_DEFAULT);
1855         else
1856                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_RECEIVES_DEFAULT);
1857 #endif
1858 }
1859
1860 void gtkut_widget_set_can_focus(GtkWidget *widget, gboolean can_focus)
1861 {
1862 #if GTK_CHECK_VERSION(2,20,0)
1863         gtk_widget_set_can_focus(widget, can_focus);
1864 #else
1865         if (can_focus)
1866                 GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_FOCUS);
1867         else
1868                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_FOCUS);
1869 #endif
1870 }
1871
1872 void gtkut_widget_set_has_window(GtkWidget *widget, gboolean has_window)
1873 {
1874 #if GTK_CHECK_VERSION(2,20,0)
1875         gtk_widget_set_has_window(widget, has_window);
1876 #else
1877         if (has_window) /* Inverted logic there */
1878                 GTK_WIDGET_UNSET_FLAGS(widget, GTK_NO_WINDOW);
1879         else
1880                 GTK_WIDGET_SET_FLAGS(widget, GTK_NO_WINDOW);
1881 #endif
1882 }
1883
1884 /**
1885  * Load a pixbuf fitting inside the specified size. EXIF orientation is
1886  * respected if available.
1887  *
1888  * @param[in] filename          the file to load
1889  * @param[in] box_width         the max width (-1 for no resize)
1890  * @param[in] box_height        the max height (-1 for no resize)
1891  * @param[out] error            the possible load error
1892  *
1893  * @return a GdkPixbuf
1894  */
1895 GdkPixbuf *claws_load_pixbuf_fitting(GdkPixbuf *src_pixbuf, int box_width,
1896                                      int box_height)
1897 {
1898         gint w, h, orientation, angle;
1899         gint avail_width, avail_height;
1900         gboolean flip_horiz, flip_vert;
1901         const gchar *orient_str;
1902         GdkPixbuf *pixbuf, *t_pixbuf;
1903
1904         pixbuf = src_pixbuf;
1905
1906         if (pixbuf == NULL)
1907                 return NULL;
1908
1909         angle = 0;
1910         flip_horiz = flip_vert = FALSE;
1911
1912         /* EXIF orientation */
1913         orient_str = gdk_pixbuf_get_option(pixbuf, "orientation");
1914         if (orient_str != NULL && *orient_str != '\0') {
1915                 orientation = atoi(orient_str);
1916                 switch(orientation) {
1917                         /* See EXIF standard for different values */
1918                         case 1: break;
1919                         case 2: flip_horiz = 1;
1920                                 break;
1921                         case 3: angle = 180;
1922                                 break;
1923                         case 4: flip_vert = 1;
1924                                 break;
1925                         case 5: angle = 90;
1926                                 flip_horiz = 1;
1927                                 break;
1928                         case 6: angle = 270;
1929                                 break;
1930                         case 7: angle = 90;
1931                                 flip_vert = 1;
1932                                 break;
1933                         case 8: angle = 90;
1934                                 break;
1935                 }
1936         }
1937
1938         w = gdk_pixbuf_get_width(pixbuf);
1939         h = gdk_pixbuf_get_height(pixbuf);
1940
1941         if (angle == 90 || angle == 270) {
1942                 avail_height = box_width;
1943                 avail_width = box_height;
1944         } else {
1945                 avail_width = box_width;
1946                 avail_height = box_height;
1947         }
1948
1949         /* Scale first */
1950         if (box_width != -1 && box_height != -1 && avail_width - 100 > 0) {
1951                 if (w > avail_width) {
1952                         h = (avail_width * h) / w;
1953                         w = avail_width;
1954                 }
1955                 if (h > avail_height) {
1956                         w = (avail_height * w) / h;
1957                         h = avail_height;
1958                 }
1959                 t_pixbuf = gdk_pixbuf_scale_simple(pixbuf,
1960                         w, h, GDK_INTERP_BILINEAR);
1961                 g_object_unref(pixbuf);
1962                 pixbuf = t_pixbuf;
1963         }
1964
1965         /* Rotate if needed */
1966         if (angle != 0) {
1967                 t_pixbuf = gdk_pixbuf_rotate_simple(pixbuf, angle);
1968                 g_object_unref(pixbuf);
1969                 pixbuf = t_pixbuf;
1970         }
1971
1972         /* Flip horizontally if needed */
1973         if (flip_horiz) {
1974                 t_pixbuf = gdk_pixbuf_flip(pixbuf, TRUE);
1975                 g_object_unref(pixbuf);
1976                 pixbuf = t_pixbuf;
1977         }
1978
1979         /* Flip vertically if needed */
1980         if (flip_vert) {
1981                 t_pixbuf = gdk_pixbuf_flip(pixbuf, FALSE);
1982                 g_object_unref(pixbuf);
1983                 pixbuf = t_pixbuf;
1984         }
1985
1986         return pixbuf;
1987 }