src/gtk/gtkutils.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2005 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include <glib.h>
  25 #include <glib/gi18n.h>
  26 #include <gdk/gdkkeysyms.h>
  27 #include <gdk/gdk.h>
  28 #include <gtk/gtkwidget.h>
  29 #include <gtk/gtkhbbox.h>
  30 #include <gtk/gtkbutton.h>
  31 #include <gtk/gtkctree.h>
  32 #include <gtk/gtkcombo.h>
  33 #include <gtk/gtkbindings.h>
  34 #include <gtk/gtkitemfactory.h>
  35 #include <stdlib.h>
  36 #include <stdarg.h>
  37 #include <sys/stat.h>
  38
  39 #if HAVE_LIBCOMPFACE
  40 #  include <compface.h>
  41 #endif
  42
  43 #if (HAVE_WCTYPE_H && HAVE_WCHAR_H)
  44 #  include <wchar.h>
  45 #  include <wctype.h>
  46 #endif
  47
  48 #include "defs.h"
  49 #include "gtkutils.h"
  50 #include "utils.h"
  51 #include "gtksctree.h"
  52 #include "codeconv.h"
  53 #include "stock_pixmap.h"
  54 #include "menu.h"
  55 #include "prefs_account.h"
  56 #include "prefs_common.h"
  57 #include "manage_window.h"
  58
  59 gboolean gtkut_get_font_size(GtkWidget *widget,
  60                              gint *width, gint *height)
  61 {
  62         PangoLayout *layout;
  63         const gchar *str = "Abcdef";
  64
  65         g_return_val_if_fail(GTK_IS_WIDGET(widget), FALSE);
  66
  67         layout = gtk_widget_create_pango_layout(widget, str);
  68         g_return_val_if_fail(layout, FALSE);
  69         pango_layout_get_pixel_size(layout, width, height);
  70         if (width)
  71                 *width = *width / g_utf8_strlen(str, -1);
  72         g_object_unref(layout);
  73
  74         return TRUE;
  75 }
  76
  77 void gtkut_widget_set_small_font_size(GtkWidget *widget)
  78 {
  79         PangoFontDescription *font_desc;
  80         gint size;
  81
  82         g_return_if_fail(widget != NULL);
  83         g_return_if_fail(widget->style != NULL);
  84
  85         font_desc = pango_font_description_from_string(NORMAL_FONT);
  86         size = pango_font_description_get_size(font_desc);
  87         pango_font_description_set_size(font_desc, size * PANGO_SCALE_SMALL);
  88         gtk_widget_modify_font(widget, font_desc);
  89         pango_font_description_free(font_desc);
  90 }
  91
  92 void gtkut_convert_int_to_gdk_color(gint rgbvalue, GdkColor *color)
  93 {
  94         g_return_if_fail(color != NULL);
  95
  96         color->pixel = 0L;
  97         color->red   = (int) (((gdouble)((rgbvalue & 0xff0000) >> 16) / 255.0) * 65535.0);
  98         color->green = (int) (((gdouble)((rgbvalue & 0x00ff00) >>  8) / 255.0) * 65535.0);
  99         color->blue  = (int) (((gdouble) (rgbvalue & 0x0000ff)        / 255.0) * 65535.0);
 100 }
 101
 102 void gtkut_stock_button_set_create(GtkWidget **bbox,
 103                                    GtkWidget **button1, const gchar *label1,
 104                                    GtkWidget **button2, const gchar *label2,
 105                                    GtkWidget **button3, const gchar *label3)
 106 {
 107         g_return_if_fail(bbox != NULL);
 108         g_return_if_fail(button1 != NULL);
 109
 110         *bbox = gtk_hbutton_box_new();
 111         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 112         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 113
 114         *button1 = gtk_button_new_from_stock(label1);
 115         GTK_WIDGET_SET_FLAGS(*button1, GTK_CAN_DEFAULT);
 116         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 117         gtk_widget_show(*button1);
 118
 119         if (button2) {
 120                 *button2 = gtk_button_new_from_stock(label2);
 121                 GTK_WIDGET_SET_FLAGS(*button2, GTK_CAN_DEFAULT);
 122                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 123                 gtk_widget_show(*button2);
 124         }
 125
 126         if (button3) {
 127                 *button3 = gtk_button_new_from_stock(label3);
 128                 GTK_WIDGET_SET_FLAGS(*button3, GTK_CAN_DEFAULT);
 129                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 130                 gtk_widget_show(*button3);
 131         }
 132 }
 133
 134 static void combo_button_size_request(GtkWidget *widget,
 135                                       GtkRequisition *requisition,
 136                                       gpointer data)
 137 {
 138         ComboButton *combo = (ComboButton *)data;
 139
 140         if (combo->arrow->allocation.height != requisition->height)
 141                 gtk_widget_set_size_request(combo->arrow,
 142                                             -1, requisition->height);
 143 }
 144
 145 static void combo_button_enter(GtkWidget *widget, gpointer data)
 146 {
 147         ComboButton *combo = (ComboButton *)data;
 148
 149         if (GTK_WIDGET_STATE(combo->arrow) != GTK_STATE_PRELIGHT) {
 150                 gtk_widget_set_state(combo->arrow, GTK_STATE_PRELIGHT);
 151                 gtk_widget_queue_draw(combo->arrow);
 152         }
 153         if (GTK_WIDGET_STATE(combo->button) != GTK_STATE_PRELIGHT) {
 154                 gtk_widget_set_state(combo->button, GTK_STATE_PRELIGHT);
 155                 gtk_widget_queue_draw(combo->button);
 156         }
 157 }
 158
 159 static void combo_button_leave(GtkWidget *widget, gpointer data)
 160 {
 161         ComboButton *combo = (ComboButton *)data;
 162
 163         if (GTK_WIDGET_STATE(combo->arrow) != GTK_STATE_NORMAL) {
 164                 gtk_widget_set_state(combo->arrow, GTK_STATE_NORMAL);
 165                 gtk_widget_queue_draw(combo->arrow);
 166         }
 167         if (GTK_WIDGET_STATE(combo->button) != GTK_STATE_NORMAL) {
 168                 gtk_widget_set_state(combo->button, GTK_STATE_NORMAL);
 169                 gtk_widget_queue_draw(combo->button);
 170         }
 171 }
 172
 173 static gint combo_button_arrow_pressed(GtkWidget *widget, GdkEventButton *event,
 174                                        gpointer data)
 175 {
 176         ComboButton *combo = (ComboButton *)data;
 177
 178         if (!event) return FALSE;
 179
 180         gtk_menu_popup(GTK_MENU(combo->menu), NULL, NULL,
 181                        menu_button_position, combo->button,
 182                        event->button, event->time);
 183
 184         return FALSE;
 185 }
 186
 187 static void combo_button_destroy(GtkWidget *widget, gpointer data)
 188 {
 189         ComboButton *combo = (ComboButton *)data;
 190
 191         gtk_object_destroy(GTK_OBJECT(combo->factory));
 192         g_free(combo);
 193 }
 194
 195 ComboButton *gtkut_combo_button_create(GtkWidget *button,
 196                                        GtkItemFactoryEntry *entries,
 197                                        gint n_entries, const gchar *path,
 198                                        gpointer data)
 199 {
 200         ComboButton *combo;
 201         GtkWidget *arrow;
 202
 203         combo = g_new0(ComboButton, 1);
 204
 205         combo->arrow = gtk_button_new();
 206         arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 207         gtk_widget_set_size_request(arrow, 7, -1);
 208         gtk_container_add(GTK_CONTAINER(combo->arrow), arrow);
 209         GTK_WIDGET_UNSET_FLAGS(combo->arrow, GTK_CAN_FOCUS);
 210         gtk_widget_show_all(combo->arrow);
 211
 212         combo->button = button;
 213         combo->menu = menu_create_items(entries, n_entries, path,
 214                                         &combo->factory, data);
 215         combo->data = data;
 216
 217         g_signal_connect(G_OBJECT(combo->button), "size_request",
 218                          G_CALLBACK(combo_button_size_request), combo);
 219         g_signal_connect(G_OBJECT(combo->button), "enter",
 220                          G_CALLBACK(combo_button_enter), combo);
 221         g_signal_connect(G_OBJECT(combo->button), "leave",
 222                          G_CALLBACK(combo_button_leave), combo);
 223         g_signal_connect(G_OBJECT(combo->arrow), "enter",
 224                          G_CALLBACK(combo_button_enter), combo);
 225         g_signal_connect(G_OBJECT(combo->arrow), "leave",
 226                          G_CALLBACK(combo_button_leave), combo);
 227         g_signal_connect(G_OBJECT(combo->arrow), "button_press_event",
 228                          G_CALLBACK(combo_button_arrow_pressed), combo);
 229         g_signal_connect(G_OBJECT(combo->arrow), "destroy",
 230                          G_CALLBACK(combo_button_destroy), combo);
 231
 232         return combo;
 233 }
 234
 235 #define CELL_SPACING 1
 236 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
 237                                     (((row) + 1) * CELL_SPACING) + \
 238                                     (clist)->voffset)
 239 #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
 240                                    ((clist)->row_height + CELL_SPACING))
 241
 242 void gtkut_ctree_node_move_if_on_the_edge(GtkCTree *ctree, GtkCTreeNode *node)
 243 {
 244         GtkCList *clist = GTK_CLIST(ctree);
 245         gint row;
 246         GtkVisibility row_visibility, prev_row_visibility, next_row_visibility;
 247
 248         g_return_if_fail(ctree != NULL);
 249         g_return_if_fail(node != NULL);
 250
 251         row = g_list_position(clist->row_list, (GList *)node);
 252         if (row < 0 || row >= clist->rows || clist->row_height == 0) return;
 253         row_visibility = gtk_clist_row_is_visible(clist, row);
 254         prev_row_visibility = gtk_clist_row_is_visible(clist, row - 1);
 255         next_row_visibility = gtk_clist_row_is_visible(clist, row + 1);
 256
 257         if (row_visibility == GTK_VISIBILITY_NONE) {
 258                 gtk_clist_moveto(clist, row, -1, 0.5, 0);
 259                 return;
 260         }
 261         if (row_visibility == GTK_VISIBILITY_FULL &&
 262             prev_row_visibility == GTK_VISIBILITY_FULL &&
 263             next_row_visibility == GTK_VISIBILITY_FULL)
 264                 return;
 265         if (prev_row_visibility != GTK_VISIBILITY_FULL &&
 266             next_row_visibility != GTK_VISIBILITY_FULL)
 267                 return;
 268
 269         if (prev_row_visibility != GTK_VISIBILITY_FULL) {
 270                 gtk_clist_moveto(clist, row, -1, 0.2, 0);
 271                 return;
 272         }
 273         if (next_row_visibility != GTK_VISIBILITY_FULL) {
 274                 gtk_clist_moveto(clist, row, -1, 0.8, 0);
 275                 return;
 276         }
 277 }
 278
 279 #undef CELL_SPACING
 280 #undef ROW_TOP_YPIXEL
 281 #undef ROW_FROM_YPIXEL
 282
 283 gint gtkut_ctree_get_nth_from_node(GtkCTree *ctree, GtkCTreeNode *node)
 284 {
 285         g_return_val_if_fail(ctree != NULL, -1);
 286         g_return_val_if_fail(node != NULL, -1);
 287
 288         return g_list_position(GTK_CLIST(ctree)->row_list, (GList *)node);
 289 }
 290
 291 /* get the next node, including the invisible one */
 292 GtkCTreeNode *gtkut_ctree_node_next(GtkCTree *ctree, GtkCTreeNode *node)
 293 {
 294         GtkCTreeNode *parent;
 295
 296         if (!node) return NULL;
 297
 298         if (GTK_CTREE_ROW(node)->children)
 299                 return GTK_CTREE_ROW(node)->children;
 300
 301         if (GTK_CTREE_ROW(node)->sibling)
 302                 return GTK_CTREE_ROW(node)->sibling;
 303
 304         for (parent = GTK_CTREE_ROW(node)->parent; parent != NULL;
 305              parent = GTK_CTREE_ROW(parent)->parent) {
 306                 if (GTK_CTREE_ROW(parent)->sibling)
 307                         return GTK_CTREE_ROW(parent)->sibling;
 308         }
 309
 310         return NULL;
 311 }
 312
 313 /* get the previous node, including the invisible one */
 314 GtkCTreeNode *gtkut_ctree_node_prev(GtkCTree *ctree, GtkCTreeNode *node)
 315 {
 316         GtkCTreeNode *prev;
 317         GtkCTreeNode *child;
 318
 319         if (!node) return NULL;
 320
 321         prev = GTK_CTREE_NODE_PREV(node);
 322         if (prev == GTK_CTREE_ROW(node)->parent)
 323                 return prev;
 324
 325         child = prev;
 326         while (GTK_CTREE_ROW(child)->children != NULL) {
 327                 child = GTK_CTREE_ROW(child)->children;
 328                 while (GTK_CTREE_ROW(child)->sibling != NULL)
 329                         child = GTK_CTREE_ROW(child)->sibling;
 330         }
 331
 332         return child;
 333 }
 334
 335 gboolean gtkut_ctree_node_is_selected(GtkCTree *ctree, GtkCTreeNode *node)
 336 {
 337         GtkCList *clist = GTK_CLIST(ctree);
 338         GList *cur;
 339
 340         for (cur = clist->selection; cur != NULL; cur = cur->next) {
 341                 if (node == GTK_CTREE_NODE(cur->data))
 342                         return TRUE;
 343         }
 344
 345         return FALSE;
 346 }
 347
 348 GtkCTreeNode *gtkut_ctree_find_collapsed_parent(GtkCTree *ctree,
 349                                                 GtkCTreeNode *node)
 350 {
 351         if (!node) return NULL;
 352
 353         while ((node = GTK_CTREE_ROW(node)->parent) != NULL) {
 354                 if (!GTK_CTREE_ROW(node)->expanded)
 355                         return node;
 356         }
 357
 358         return NULL;
 359 }
 360
 361 void gtkut_ctree_expand_parent_all(GtkCTree *ctree, GtkCTreeNode *node)
 362 {
 363         while ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
 364                 gtk_ctree_expand(ctree, node);
 365 }
 366
 367 gboolean gtkut_ctree_node_is_parent(GtkCTreeNode *parent, GtkCTreeNode *node)
 368 {
 369         GtkCTreeNode *tmp;
 370         g_return_val_if_fail(node != NULL, FALSE);
 371         g_return_val_if_fail(parent != NULL, FALSE);
 372         tmp = node;
 373
 374         while (tmp) {
 375                 if(GTK_CTREE_ROW(tmp)->parent && GTK_CTREE_ROW(tmp)->parent == parent)
 376                         return TRUE;
 377                 tmp = GTK_CTREE_ROW(tmp)->parent;
 378         }
 379
 380         return FALSE;
 381 }
 382
 383 void gtkut_ctree_set_focus_row(GtkCTree *ctree, GtkCTreeNode *node)
 384 {
 385         gtkut_clist_set_focus_row(GTK_CLIST(ctree),
 386                                   gtkut_ctree_get_nth_from_node(ctree, node));
 387 }
 388
 389 void gtkut_clist_set_focus_row(GtkCList *clist, gint row)
 390 {
 391         clist->focus_row = row;
 392         GTKUT_CTREE_REFRESH(clist);
 393 }
 394
 395 void gtkut_combo_set_items(GtkCombo *combo, const gchar *str1, ...)
 396 {
 397         va_list args;
 398         gchar *s;
 399         GList *combo_items = NULL;
 400
 401         g_return_if_fail(str1 != NULL);
 402
 403         combo_items = g_list_append(combo_items, (gpointer)str1);
 404         va_start(args, str1);
 405         s = va_arg(args, gchar*);
 406         while (s) {
 407                 combo_items = g_list_append(combo_items, (gpointer)s);
 408                 s = va_arg(args, gchar*);
 409         }
 410         va_end(args);
 411
 412         gtk_combo_set_popdown_strings(combo, combo_items);
 413
 414         g_list_free(combo_items);
 415 }
 416
 417 gchar *gtkut_editable_get_selection(GtkEditable *editable)
 418 {
 419         guint start_pos, end_pos;
 420         gboolean found;
 421
 422         g_return_val_if_fail(GTK_IS_EDITABLE(editable), NULL);
 423
 424         found = gtk_editable_get_selection_bounds(editable,
 425                                                   &start_pos, &end_pos);
 426         if (found)
 427                 return gtk_editable_get_chars(editable, start_pos, end_pos);
 428         else
 429                 return NULL;
 430 }
 431
 432 void gtkut_editable_disable_im(GtkEditable *editable)
 433 {
 434         g_return_if_fail(editable != NULL);
 435
 436 #if USE_XIM
 437         if (editable->ic) {
 438                 gdk_ic_destroy(editable->ic);
 439                 editable->ic = NULL;
 440         }
 441         if (editable->ic_attr) {
 442                 gdk_ic_attr_destroy(editable->ic_attr);
 443                 editable->ic_attr = NULL;
 444         }
 445 #endif
 446 }
 447
 448 void gtkut_container_remove(GtkContainer *container, GtkWidget *widget)
 449 {
 450         gtk_container_remove(container, widget);
 451 }
 452
 453 gboolean gtkut_text_buffer_match_string(GtkTextBuffer *textbuf,
 454                                         const GtkTextIter *iter,
 455                                         gunichar *wcs, gint len,
 456                                         gboolean case_sens)
 457 {
 458         GtkTextIter start_iter, end_iter;
 459         gchar *utf8str, *p;
 460         gint match_count;
 461
 462         start_iter = end_iter = *iter;
 463         gtk_text_iter_forward_chars(&end_iter, len);
 464
 465         utf8str = gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter,
 466                                            FALSE);
 467         if (!utf8str) return FALSE;
 468
 469         if ((gint)g_utf8_strlen(utf8str, -1) != len) {
 470                 g_free(utf8str);
 471                 return FALSE;
 472         }
 473
 474         for (p = utf8str, match_count = 0;
 475              *p != '\0' && match_count < len;
 476              p = g_utf8_next_char(p), match_count++) {
 477                 gunichar wc;
 478
 479                 wc = g_utf8_get_char(p);
 480
 481                 if (case_sens) {
 482                         if (wc != wcs[match_count])
 483                                 break;
 484                 } else {
 485                         if (g_unichar_tolower(wc) !=
 486                             g_unichar_tolower(wcs[match_count]))
 487                                 break;
 488                 }
 489         }
 490
 491         g_free(utf8str);
 492
 493         if (match_count == len)
 494                 return TRUE;
 495         else
 496                 return FALSE;
 497 }
 498
 499 gboolean gtkut_text_buffer_find(GtkTextBuffer *buffer, const GtkTextIter *iter,
 500                                 const gchar *str, gboolean case_sens,
 501                                 GtkTextIter *match_pos)
 502 {
 503         gunichar *wcs;
 504         gint len;
 505         glong items_read = 0, items_written = 0;
 506         GError *error = NULL;
 507         GtkTextIter iter_;
 508         gboolean found = FALSE;
 509
 510         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 511         if (error != NULL) {
 512                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n",
 513                           error->message);
 514                 g_error_free(error);
 515         }
 516         if (!wcs || items_written <= 0) return FALSE;
 517         len = (gint)items_written;
 518
 519         iter_ = *iter;
 520         do {
 521                 found = gtkut_text_buffer_match_string
 522                         (buffer, &iter_, wcs, len, case_sens);
 523                 if (found) {
 524                         *match_pos = iter_;
 525                         break;
 526                 }
 527         } while (gtk_text_iter_forward_char(&iter_));
 528
 529         g_free(wcs);
 530
 531         return found;
 532 }
 533
 534 gboolean gtkut_text_buffer_find_backward(GtkTextBuffer *buffer,
 535                                          const GtkTextIter *iter,
 536                                          const gchar *str, gboolean case_sens,
 537                                          GtkTextIter *match_pos)
 538 {
 539         gunichar *wcs;
 540         gint len;
 541         glong items_read = 0, items_written = 0;
 542         GError *error = NULL;
 543         GtkTextIter iter_;
 544         gboolean found = FALSE;
 545
 546         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 547         if (error != NULL) {
 548                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n", error->message);
 549                 g_error_free(error);
 550         }
 551         if (!wcs || items_written <= 0) return FALSE;
 552         len = (gint)items_written;
 553
 554         iter_ = *iter;
 555         while (gtk_text_iter_backward_char(&iter_)) {
 556                 found = gtkut_text_buffer_match_string
 557                         (buffer, &iter_, wcs, len, case_sens);
 558                 if (found) {
 559                         *match_pos = iter_;
 560                         break;
 561                 }
 562         }
 563
 564         g_free(wcs);
 565
 566         return found;
 567 }
 568
 569 gchar *gtkut_text_view_get_selection(GtkTextView *textview)
 570 {
 571         GtkTextBuffer *buffer;
 572         GtkTextIter start_iter, end_iter;
 573         gboolean found;
 574
 575         g_return_val_if_fail(GTK_IS_TEXT_VIEW(textview), NULL);
 576
 577         buffer = gtk_text_view_get_buffer(textview);
 578         found = gtk_text_buffer_get_selection_bounds(buffer,
 579                                                      &start_iter,
 580                                                      &end_iter);
 581         if (found)
 582                 return gtk_text_buffer_get_text(buffer, &start_iter, &end_iter,
 583                                                 FALSE);
 584         else
 585                 return NULL;
 586 }
 587
 588 void gtkut_window_popup(GtkWidget *window)
 589 {
 590         gint x, y, sx, sy, new_x, new_y;
 591
 592         g_return_if_fail(window != NULL);
 593         g_return_if_fail(window->window != NULL);
 594
 595         sx = gdk_screen_width();
 596         sy = gdk_screen_height();
 597
 598         gdk_window_get_origin(window->window, &x, &y);
 599         new_x = x % sx; if (new_x < 0) new_x = 0;
 600         new_y = y % sy; if (new_y < 0) new_y = 0;
 601         if (new_x != x || new_y != y)
 602                 gdk_window_move(window->window, new_x, new_y);
 603
 604         gtk_window_present(GTK_WINDOW(window));
 605 }
 606
 607 void gtkut_widget_get_uposition(GtkWidget *widget, gint *px, gint *py)
 608 {
 609         gint x, y;
 610         gint sx, sy;
 611
 612         g_return_if_fail(widget != NULL);
 613         g_return_if_fail(widget->window != NULL);
 614
 615         sx = gdk_screen_width();
 616         sy = gdk_screen_height();
 617
 618         /* gdk_window_get_root_origin ever return *rootwindow*'s position */
 619         gdk_window_get_root_origin(widget->window, &x, &y);
 620
 621         x %= sx; if (x < 0) x = 0;
 622         y %= sy; if (y < 0) y = 0;
 623         *px = x;
 624         *py = y;
 625 }
 626
 627 void gtkut_widget_draw_now(GtkWidget *widget)
 628 {
 629         if (GTK_WIDGET_VISIBLE(widget) && GTK_WIDGET_DRAWABLE(widget))
 630                 gdk_window_process_updates(widget->window, FALSE);
 631 }
 632
 633 static void gtkut_clist_bindings_add(GtkWidget *clist)
 634 {
 635         GtkBindingSet *binding_set;
 636
 637         binding_set = gtk_binding_set_by_class
 638                 (GTK_CLIST_GET_CLASS(clist));
 639
 640         gtk_binding_entry_add_signal(binding_set, GDK_n, GDK_CONTROL_MASK,
 641                                      "scroll_vertical", 2,
 642                                      G_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 643                                      G_TYPE_FLOAT, 0.0);
 644         gtk_binding_entry_add_signal(binding_set, GDK_p, GDK_CONTROL_MASK,
 645                                      "scroll_vertical", 2,
 646                                      G_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 647                                      G_TYPE_FLOAT, 0.0);
 648 }
 649
 650 void gtkut_widget_init(void)
 651 {
 652         GtkWidget *clist;
 653
 654         clist = gtk_clist_new(1);
 655         g_object_ref(G_OBJECT(clist));
 656         gtk_object_sink(GTK_OBJECT(clist));
 657         gtkut_clist_bindings_add(clist);
 658         g_object_unref(G_OBJECT(clist));
 659
 660         clist = gtk_ctree_new(1, 0);
 661         g_object_ref(G_OBJECT(clist));
 662         gtk_object_sink(GTK_OBJECT(clist));
 663         gtkut_clist_bindings_add(clist);
 664         g_object_unref(G_OBJECT(clist));
 665
 666         clist = gtk_sctree_new_with_titles(1, 0, NULL);
 667         g_object_ref(G_OBJECT(clist));
 668         gtk_object_sink(GTK_OBJECT(clist));
 669         gtkut_clist_bindings_add(clist);
 670         g_object_unref(G_OBJECT(clist));
 671 }
 672
 673 void gtkut_widget_set_app_icon(GtkWidget *widget)
 674 {
 675 #include "pixmaps/sylpheed.xpm"
 676         static GdkPixmap *sylpheedxpm;
 677         static GdkBitmap *sylpheedxpmmask;
 678
 679         g_return_if_fail(widget != NULL);
 680         g_return_if_fail(widget->window != NULL);
 681         if (!sylpheedxpm) {
 682                 PIXMAP_CREATE(widget, sylpheedxpm, sylpheedxpmmask, sylpheed_xpm);
 683         }
 684         gdk_window_set_icon(widget->window, NULL, sylpheedxpm, sylpheedxpmmask);
 685 }
 686
 687 void gtkut_widget_set_composer_icon(GtkWidget *widget)
 688 {
 689         static GdkPixmap *xpm;
 690         static GdkBitmap *bmp;
 691
 692         g_return_if_fail(widget != NULL);
 693         g_return_if_fail(widget->window != NULL);
 694         if (!xpm) {
 695                 stock_pixmap_gdk(widget, STOCK_PIXMAP_MAIL_COMPOSE, &xpm, &bmp);
 696         }
 697         gdk_window_set_icon(widget->window, NULL, xpm, bmp);
 698 }
 699
 700 GtkWidget *label_window_create(const gchar *str)
 701 {
 702         GtkWidget *window;
 703         GtkWidget *label;
 704
 705         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 706         gtk_widget_set_size_request(window, 380, 60);
 707         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 708         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 709         gtk_window_set_title(GTK_WINDOW(window), str);
 710         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 711         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 712         manage_window_set_transient(GTK_WINDOW(window));
 713
 714         label = gtk_label_new(str);
 715         gtk_container_add(GTK_CONTAINER(window), label);
 716         gtk_widget_show(label);
 717
 718         gtk_widget_show_now(window);
 719
 720         return window;
 721 }
 722
 723 GtkWidget *gtkut_account_menu_new(GList                 *ac_list,
 724                                   GCallback              callback,
 725                                   gpointer               data)
 726 {
 727         GList *cur_ac;
 728         GtkWidget *menu;
 729
 730         g_return_val_if_fail(ac_list != NULL, NULL);
 731
 732         menu = gtk_menu_new();
 733
 734         for (cur_ac = ac_list; cur_ac != NULL; cur_ac = cur_ac->next) {
 735                 gchar *name;
 736                 GtkWidget *menuitem;
 737                 PrefsAccount *account;
 738
 739                 account = (PrefsAccount *) cur_ac->data;
 740                 if (account->name)
 741                         name = g_strdup_printf("%s: %s <%s>",
 742                                                account->account_name,
 743                                                account->name,
 744                                                account->address);
 745                 else
 746                         name = g_strdup_printf("%s: %s",
 747                                                account->account_name,
 748                                                account->address);
 749                 MENUITEM_ADD(menu, menuitem, name, account->account_id);
 750                 g_free(name);
 751                 if (callback != NULL)
 752                         g_signal_connect(G_OBJECT(menuitem), "activate",
 753                                          callback, data);
 754         }
 755         return menu;
 756 }
 757
 758 void gtkut_set_widget_bgcolor_rgb(GtkWidget *widget, guint rgbvalue)
 759 {
 760         GtkStyle *newstyle;
 761         GdkColor gdk_color;
 762
 763         gtkut_convert_int_to_gdk_color(rgbvalue, &gdk_color);
 764         newstyle = gtk_style_copy(gtk_widget_get_default_style());
 765         newstyle->bg[GTK_STATE_NORMAL]   = gdk_color;
 766         newstyle->bg[GTK_STATE_PRELIGHT] = gdk_color;
 767         newstyle->bg[GTK_STATE_ACTIVE]   = gdk_color;
 768         gtk_widget_set_style(widget, newstyle);
 769 }
 770
 771 /*!
 772  *\brief        Tries to find a focused child using a lame strategy
 773  */
 774 GtkWidget *gtkut_get_focused_child(GtkContainer *parent)
 775 {
 776         GtkWidget *result = NULL;
 777         GList *child_list = NULL;
 778         GList *c;
 779
 780         g_return_val_if_fail(parent, NULL);
 781
 782         /* Get children list and see which has the focus. */
 783         child_list = gtk_container_get_children(parent);
 784         if (!child_list)
 785                 return NULL;
 786
 787         for (c = child_list; c != NULL; c = g_list_next(c)) {
 788                 if (c->data && GTK_IS_WIDGET(c->data)) {
 789                         if (GTK_WIDGET_HAS_FOCUS(GTK_WIDGET(c->data))) {
 790                                 result = GTK_WIDGET(c->data);
 791                                 break;
 792                         }
 793                 }
 794         }
 795
 796         /* See if the returned widget is a container itself; if it is,
 797          * see if one of its children is focused. If the focused
 798          * container has no focused child, it is itself a focusable
 799          * child, and has focus. */
 800         if (result && GTK_IS_CONTAINER(result)) {
 801                 GtkWidget *tmp =  gtkut_get_focused_child(GTK_CONTAINER(result));
 802
 803                 if (tmp)
 804                         result = tmp;
 805         } else {
 806                 /* Try the same for each container in the chain */
 807                 for (c = child_list; c != NULL && !result; c = g_list_next(c)) {
 808                         if (c->data && GTK_IS_WIDGET(c->data)
 809                         &&  GTK_IS_CONTAINER(c->data)) {
 810                                 result = gtkut_get_focused_child
 811                                         (GTK_CONTAINER(c->data));
 812                         }
 813                 }
 814
 815         }
 816
 817         g_list_free(child_list);
 818
 819         return result;
 820 }
 821
 822 /*!
 823  *\brief        Create a Browse (file) button based on GTK+ stock
 824  */
 825 GtkWidget *gtkut_get_browse_file_btn(const gchar *button_label)
 826 {
 827         GtkWidget *button;
 828
 829 #if GTK_CHECK_VERSION(2, 6, 0)
 830         button = gtk_button_new_with_mnemonic(button_label);
 831         gtk_button_set_image((GtkButton*)button,
 832                 gtk_image_new_from_stock(GTK_STOCK_OPEN, GTK_ICON_SIZE_BUTTON));
 833 #else
 834         GtkWidget* image;
 835         GtkWidget* box;
 836         GtkWidget* label;
 837
 838         button = gtk_button_new();
 839         box = gtk_hbox_new(FALSE, 0);
 840
 841         image = gtk_image_new_from_stock(GTK_STOCK_OPEN, GTK_ICON_SIZE_BUTTON);
 842         label = gtk_label_new(NULL);
 843         gtk_label_set_text_with_mnemonic(GTK_LABEL(label), button_label);
 844         gtk_label_set_mnemonic_widget(GTK_LABEL(label), button);
 845
 846         gtk_box_pack_start((GtkBox*)box, image, FALSE, FALSE, 1);
 847         gtk_box_pack_end((GtkBox*)box, label, FALSE, FALSE, 1);
 848         gtk_widget_show(label);
 849         gtk_widget_show(image);
 850         gtk_widget_show(box);
 851         gtk_container_add(GTK_CONTAINER(button), box);
 852 #endif
 853         return button;
 854 }
 855
 856 /*!
 857  *\brief        Create a Browse (directory) button based on GTK+ stock
 858  */
 859 GtkWidget *gtkut_get_browse_directory_btn(const gchar *button_label)
 860 {
 861         GtkWidget *button;
 862
 863 #if GTK_CHECK_VERSION(2, 6, 0)
 864         button = gtk_button_new_with_mnemonic(button_label);
 865         gtk_button_set_image((GtkButton*)button,
 866                 gtk_image_new_from_stock(GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_BUTTON));
 867 #else
 868         GtkWidget* image;
 869         GtkWidget* box;
 870         GtkWidget* label;
 871
 872         button = gtk_button_new();
 873         box = gtk_hbox_new(FALSE, 0);
 874
 875         image = gtk_image_new_from_stock(GTK_STOCK_OPEN, GTK_ICON_SIZE_BUTTON);
 876         label = gtk_label_new(NULL);
 877         gtk_label_set_text_with_mnemonic(GTK_LABEL(label), button_label);
 878         gtk_label_set_mnemonic_widget(GTK_LABEL(label), button);
 879
 880         gtk_box_pack_start((GtkBox*)box, image, FALSE, FALSE, 1);
 881         gtk_box_pack_end((GtkBox*)box, label, FALSE, FALSE, 1);
 882         gtk_widget_show(label);
 883         gtk_widget_show(image);
 884         gtk_widget_show(box);
 885         gtk_container_add(GTK_CONTAINER(button), box);
 886 #endif
 887         return button;
 888 }
 889
 890 #if HAVE_LIBCOMPFACE
 891 gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
 892 {
 893         static gchar *bit_pattern[] = {
 894                 "....",
 895                 "...#",
 896                 "..#.",
 897                 "..##",
 898                 ".#..",
 899                 ".#.#",
 900                 ".##.",
 901                 ".###",
 902                 "#...",
 903                 "#..#",
 904                 "#.#.",
 905                 "#.##",
 906                 "##..",
 907                 "##.#",
 908                 "###.",
 909                 "####"
 910         };
 911
 912         static gchar *xface_header = "48 48 2 1";
 913         static gchar *xface_black  = "# c #000000";
 914         static gchar *xface_white  = ". c #ffffff";
 915
 916         gint i, line = 0;
 917         const guchar *p;
 918         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
 919
 920         p = xface;
 921
 922         strcpy(xpm[line++], xface_header);
 923         strcpy(xpm[line++], xface_black);
 924         strcpy(xpm[line++], xface_white);
 925
 926         for (i = 0; i < HEIGHT; i++) {
 927                 gint col;
 928
 929                 buf[0] = '\0';
 930
 931                 for (col = 0; col < 3; col++) {
 932                         gint figure;
 933
 934                         p += 2;  /* skip '0x' */
 935
 936                         for (figure = 0; figure < 4; figure++) {
 937                                 gint n = 0;
 938
 939                                 if ('0' <= *p && *p <= '9') {
 940                                         n = *p - '0';
 941                                 } else if ('a' <= *p && *p <= 'f') {
 942                                         n = *p - 'a' + 10;
 943                                 } else if ('A' <= *p && *p <= 'F') {
 944                                         n = *p - 'A' + 10;
 945                                 }
 946
 947                                 strcat(buf, bit_pattern[n]);
 948                                 p++;  /* skip ',' */
 949                         }
 950
 951                         p++;  /* skip '\n' */
 952                 }
 953
 954                 strcpy(xpm[line++], buf);
 955                 p++;
 956         }
 957
 958         return 0;
 959 }
 960 #endif
 961
 962 gboolean get_tag_range(GtkTextIter *iter,
 963                                        GtkTextTag *tag,
 964                                        GtkTextIter *start_iter,
 965                                        GtkTextIter *end_iter)
 966 {
 967         GtkTextIter _start_iter, _end_iter;
 968
 969         _end_iter = *iter;
 970         if (!gtk_text_iter_forward_to_tag_toggle(&_end_iter, tag)) {
 971                 debug_print("Can't find end");
 972                 return FALSE;
 973         }
 974
 975         _start_iter = _end_iter;
 976         if (!gtk_text_iter_backward_to_tag_toggle(&_start_iter, tag)) {
 977                 debug_print("Can't find start.");
 978                 return FALSE;
 979         }
 980
 981         *start_iter = _start_iter;
 982         *end_iter = _end_iter;
 983
 984         return TRUE;
 985 }