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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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_WCTYPE_H && HAVE_WCHAR_H)
  40 #  include <wchar.h>
  41 #  include <wctype.h>
  42 #endif
  43
  44 #include "defs.h"
  45 #include "gtkutils.h"
  46 #include "utils.h"
  47 #include "gtksctree.h"
  48 #include "codeconv.h"
  49 #include "stock_pixmap.h"
  50 #include "menu.h"
  51 #include "prefs_account.h"
  52 #include "prefs_common.h"
  53
  54 gboolean gtkut_get_font_size(GtkWidget *widget,
  55                              gint *width, gint *height)
  56 {
  57         PangoLayout *layout;
  58         const gchar *str = "Abcdef";
  59
  60         g_return_val_if_fail(GTK_IS_WIDGET(widget), FALSE);
  61
  62         layout = gtk_widget_create_pango_layout(widget, str);
  63         g_return_val_if_fail(layout, FALSE);
  64         pango_layout_get_pixel_size(layout, width, height);
  65         if (width)
  66                 *width = *width / g_utf8_strlen(str, -1);
  67         g_object_unref(layout);
  68
  69         return TRUE;
  70 }
  71
  72 void gtkut_widget_set_small_font_size(GtkWidget *widget)
  73 {
  74         PangoFontDescription *font_desc;
  75         gint size;
  76
  77         g_return_if_fail(widget != NULL);
  78         g_return_if_fail(widget->style != NULL);
  79
  80         font_desc = pango_font_description_from_string(NORMAL_FONT);
  81         size = pango_font_description_get_size(font_desc);
  82         pango_font_description_set_size(font_desc, size * PANGO_SCALE_SMALL);
  83         gtk_widget_modify_font(widget, font_desc);
  84         pango_font_description_free(font_desc);
  85 }
  86
  87 void gtkut_convert_int_to_gdk_color(gint rgbvalue, GdkColor *color)
  88 {
  89         g_return_if_fail(color != NULL);
  90
  91         color->pixel = 0L;
  92         color->red   = (int) (((gdouble)((rgbvalue & 0xff0000) >> 16) / 255.0) * 65535.0);
  93         color->green = (int) (((gdouble)((rgbvalue & 0x00ff00) >>  8) / 255.0) * 65535.0);
  94         color->blue  = (int) (((gdouble) (rgbvalue & 0x0000ff)        / 255.0) * 65535.0);
  95 }
  96
  97 void gtkut_stock_button_set_create(GtkWidget **bbox,
  98                                    GtkWidget **button1, const gchar *label1,
  99                                    GtkWidget **button2, const gchar *label2,
 100                                    GtkWidget **button3, const gchar *label3)
 101 {
 102         g_return_if_fail(bbox != NULL);
 103         g_return_if_fail(button1 != NULL);
 104
 105         *bbox = gtk_hbutton_box_new();
 106         gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END);
 107         gtk_box_set_spacing(GTK_BOX(*bbox), 5);
 108
 109         *button1 = gtk_button_new_from_stock(label1);
 110         GTK_WIDGET_SET_FLAGS(*button1, GTK_CAN_DEFAULT);
 111         gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0);
 112         gtk_widget_show(*button1);
 113
 114         if (button2) {
 115                 *button2 = gtk_button_new_from_stock(label2);
 116                 GTK_WIDGET_SET_FLAGS(*button2, GTK_CAN_DEFAULT);
 117                 gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0);
 118                 gtk_widget_show(*button2);
 119         }
 120
 121         if (button3) {
 122                 *button3 = gtk_button_new_from_stock(label3);
 123                 GTK_WIDGET_SET_FLAGS(*button3, GTK_CAN_DEFAULT);
 124                 gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0);
 125                 gtk_widget_show(*button3);
 126         }
 127 }
 128
 129 static void combo_button_size_request(GtkWidget *widget,
 130                                       GtkRequisition *requisition,
 131                                       gpointer data)
 132 {
 133         ComboButton *combo = (ComboButton *)data;
 134
 135         if (combo->arrow->allocation.height != requisition->height)
 136                 gtk_widget_set_size_request(combo->arrow,
 137                                             -1, requisition->height);
 138 }
 139
 140 static void combo_button_enter(GtkWidget *widget, gpointer data)
 141 {
 142         ComboButton *combo = (ComboButton *)data;
 143
 144         if (GTK_WIDGET_STATE(combo->arrow) != GTK_STATE_PRELIGHT) {
 145                 gtk_widget_set_state(combo->arrow, GTK_STATE_PRELIGHT);
 146                 gtk_widget_queue_draw(combo->arrow);
 147         }
 148         if (GTK_WIDGET_STATE(combo->button) != GTK_STATE_PRELIGHT) {
 149                 gtk_widget_set_state(combo->button, GTK_STATE_PRELIGHT);
 150                 gtk_widget_queue_draw(combo->button);
 151         }
 152 }
 153
 154 static void combo_button_leave(GtkWidget *widget, gpointer data)
 155 {
 156         ComboButton *combo = (ComboButton *)data;
 157
 158         if (GTK_WIDGET_STATE(combo->arrow) != GTK_STATE_NORMAL) {
 159                 gtk_widget_set_state(combo->arrow, GTK_STATE_NORMAL);
 160                 gtk_widget_queue_draw(combo->arrow);
 161         }
 162         if (GTK_WIDGET_STATE(combo->button) != GTK_STATE_NORMAL) {
 163                 gtk_widget_set_state(combo->button, GTK_STATE_NORMAL);
 164                 gtk_widget_queue_draw(combo->button);
 165         }
 166 }
 167
 168 static gint combo_button_arrow_pressed(GtkWidget *widget, GdkEventButton *event,
 169                                        gpointer data)
 170 {
 171         ComboButton *combo = (ComboButton *)data;
 172
 173         if (!event) return FALSE;
 174
 175         gtk_menu_popup(GTK_MENU(combo->menu), NULL, NULL,
 176                        menu_button_position, combo->button,
 177                        event->button, event->time);
 178
 179         return FALSE;
 180 }
 181
 182 static void combo_button_destroy(GtkWidget *widget, gpointer data)
 183 {
 184         ComboButton *combo = (ComboButton *)data;
 185
 186         gtk_object_destroy(GTK_OBJECT(combo->factory));
 187         g_free(combo);
 188 }
 189
 190 ComboButton *gtkut_combo_button_create(GtkWidget *button,
 191                                        GtkItemFactoryEntry *entries,
 192                                        gint n_entries, const gchar *path,
 193                                        gpointer data)
 194 {
 195         ComboButton *combo;
 196         GtkWidget *arrow;
 197
 198         combo = g_new0(ComboButton, 1);
 199
 200         combo->arrow = gtk_button_new();
 201         arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 202         gtk_widget_set_size_request(arrow, 7, -1);
 203         gtk_container_add(GTK_CONTAINER(combo->arrow), arrow);
 204         GTK_WIDGET_UNSET_FLAGS(combo->arrow, GTK_CAN_FOCUS);
 205         gtk_widget_show_all(combo->arrow);
 206
 207         combo->button = button;
 208         combo->menu = menu_create_items(entries, n_entries, path,
 209                                         &combo->factory, data);
 210         combo->data = data;
 211
 212         g_signal_connect(G_OBJECT(combo->button), "size_request",
 213                          G_CALLBACK(combo_button_size_request), combo);
 214         g_signal_connect(G_OBJECT(combo->button), "enter",
 215                          G_CALLBACK(combo_button_enter), combo);
 216         g_signal_connect(G_OBJECT(combo->button), "leave",
 217                          G_CALLBACK(combo_button_leave), combo);
 218         g_signal_connect(G_OBJECT(combo->arrow), "enter",
 219                          G_CALLBACK(combo_button_enter), combo);
 220         g_signal_connect(G_OBJECT(combo->arrow), "leave",
 221                          G_CALLBACK(combo_button_leave), combo);
 222         g_signal_connect(G_OBJECT(combo->arrow), "button_press_event",
 223                          G_CALLBACK(combo_button_arrow_pressed), combo);
 224         g_signal_connect(G_OBJECT(combo->arrow), "destroy",
 225                          G_CALLBACK(combo_button_destroy), combo);
 226
 227         return combo;
 228 }
 229
 230 #define CELL_SPACING 1
 231 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
 232                                     (((row) + 1) * CELL_SPACING) + \
 233                                     (clist)->voffset)
 234 #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
 235                                    ((clist)->row_height + CELL_SPACING))
 236
 237 void gtkut_ctree_node_move_if_on_the_edge(GtkCTree *ctree, GtkCTreeNode *node)
 238 {
 239         GtkCList *clist = GTK_CLIST(ctree);
 240         gint row;
 241         GtkVisibility row_visibility, prev_row_visibility, next_row_visibility;
 242
 243         g_return_if_fail(ctree != NULL);
 244         g_return_if_fail(node != NULL);
 245
 246         row = g_list_position(clist->row_list, (GList *)node);
 247         if (row < 0 || row >= clist->rows || clist->row_height == 0) return;
 248         row_visibility = gtk_clist_row_is_visible(clist, row);
 249         prev_row_visibility = gtk_clist_row_is_visible(clist, row - 1);
 250         next_row_visibility = gtk_clist_row_is_visible(clist, row + 1);
 251
 252         if (row_visibility == GTK_VISIBILITY_NONE) {
 253                 gtk_clist_moveto(clist, row, -1, 0.5, 0);
 254                 return;
 255         }
 256         if (row_visibility == GTK_VISIBILITY_FULL &&
 257             prev_row_visibility == GTK_VISIBILITY_FULL &&
 258             next_row_visibility == GTK_VISIBILITY_FULL)
 259                 return;
 260         if (prev_row_visibility != GTK_VISIBILITY_FULL &&
 261             next_row_visibility != GTK_VISIBILITY_FULL)
 262                 return;
 263
 264         if (prev_row_visibility != GTK_VISIBILITY_FULL) {
 265                 gtk_clist_moveto(clist, row, -1, 0.2, 0);
 266                 return;
 267         }
 268         if (next_row_visibility != GTK_VISIBILITY_FULL) {
 269                 gtk_clist_moveto(clist, row, -1, 0.8, 0);
 270                 return;
 271         }
 272 }
 273
 274 #undef CELL_SPACING
 275 #undef ROW_TOP_YPIXEL
 276 #undef ROW_FROM_YPIXEL
 277
 278 gint gtkut_ctree_get_nth_from_node(GtkCTree *ctree, GtkCTreeNode *node)
 279 {
 280         g_return_val_if_fail(ctree != NULL, -1);
 281         g_return_val_if_fail(node != NULL, -1);
 282
 283         return g_list_position(GTK_CLIST(ctree)->row_list, (GList *)node);
 284 }
 285
 286 /* get the next node, including the invisible one */
 287 GtkCTreeNode *gtkut_ctree_node_next(GtkCTree *ctree, GtkCTreeNode *node)
 288 {
 289         GtkCTreeNode *parent;
 290
 291         if (!node) return NULL;
 292
 293         if (GTK_CTREE_ROW(node)->children)
 294                 return GTK_CTREE_ROW(node)->children;
 295
 296         if (GTK_CTREE_ROW(node)->sibling)
 297                 return GTK_CTREE_ROW(node)->sibling;
 298
 299         for (parent = GTK_CTREE_ROW(node)->parent; parent != NULL;
 300              parent = GTK_CTREE_ROW(parent)->parent) {
 301                 if (GTK_CTREE_ROW(parent)->sibling)
 302                         return GTK_CTREE_ROW(parent)->sibling;
 303         }
 304
 305         return NULL;
 306 }
 307
 308 /* get the previous node, including the invisible one */
 309 GtkCTreeNode *gtkut_ctree_node_prev(GtkCTree *ctree, GtkCTreeNode *node)
 310 {
 311         GtkCTreeNode *prev;
 312         GtkCTreeNode *child;
 313
 314         if (!node) return NULL;
 315
 316         prev = GTK_CTREE_NODE_PREV(node);
 317         if (prev == GTK_CTREE_ROW(node)->parent)
 318                 return prev;
 319
 320         child = prev;
 321         while (GTK_CTREE_ROW(child)->children != NULL) {
 322                 child = GTK_CTREE_ROW(child)->children;
 323                 while (GTK_CTREE_ROW(child)->sibling != NULL)
 324                         child = GTK_CTREE_ROW(child)->sibling;
 325         }
 326
 327         return child;
 328 }
 329
 330 gboolean gtkut_ctree_node_is_selected(GtkCTree *ctree, GtkCTreeNode *node)
 331 {
 332         GtkCList *clist = GTK_CLIST(ctree);
 333         GList *cur;
 334
 335         for (cur = clist->selection; cur != NULL; cur = cur->next) {
 336                 if (node == GTK_CTREE_NODE(cur->data))
 337                         return TRUE;
 338         }
 339
 340         return FALSE;
 341 }
 342
 343 GtkCTreeNode *gtkut_ctree_find_collapsed_parent(GtkCTree *ctree,
 344                                                 GtkCTreeNode *node)
 345 {
 346         if (!node) return NULL;
 347
 348         while ((node = GTK_CTREE_ROW(node)->parent) != NULL) {
 349                 if (!GTK_CTREE_ROW(node)->expanded)
 350                         return node;
 351         }
 352
 353         return NULL;
 354 }
 355
 356 void gtkut_ctree_expand_parent_all(GtkCTree *ctree, GtkCTreeNode *node)
 357 {
 358         while ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
 359                 gtk_ctree_expand(ctree, node);
 360 }
 361
 362 gboolean gtkut_ctree_node_is_parent(GtkCTreeNode *parent, GtkCTreeNode *node)
 363 {
 364         GtkCTreeNode *tmp;
 365         g_return_val_if_fail(node != NULL, FALSE);
 366         g_return_val_if_fail(parent != NULL, FALSE);
 367         tmp = node;
 368
 369         while (tmp) {
 370                 if(GTK_CTREE_ROW(tmp)->parent && GTK_CTREE_ROW(tmp)->parent == parent)
 371                         return TRUE;
 372                 tmp = GTK_CTREE_ROW(tmp)->parent;
 373         }
 374
 375         return FALSE;
 376 }
 377
 378 void gtkut_ctree_set_focus_row(GtkCTree *ctree, GtkCTreeNode *node)
 379 {
 380         gtkut_clist_set_focus_row(GTK_CLIST(ctree),
 381                                   gtkut_ctree_get_nth_from_node(ctree, node));
 382 }
 383
 384 void gtkut_clist_set_focus_row(GtkCList *clist, gint row)
 385 {
 386         clist->focus_row = row;
 387         GTKUT_CTREE_REFRESH(clist);
 388 }
 389
 390 void gtkut_combo_set_items(GtkCombo *combo, const gchar *str1, ...)
 391 {
 392         va_list args;
 393         gchar *s;
 394         GList *combo_items = NULL;
 395
 396         g_return_if_fail(str1 != NULL);
 397
 398         combo_items = g_list_append(combo_items, (gpointer)str1);
 399         va_start(args, str1);
 400         s = va_arg(args, gchar*);
 401         while (s) {
 402                 combo_items = g_list_append(combo_items, (gpointer)s);
 403                 s = va_arg(args, gchar*);
 404         }
 405         va_end(args);
 406
 407         gtk_combo_set_popdown_strings(combo, combo_items);
 408
 409         g_list_free(combo_items);
 410 }
 411
 412 gchar *gtkut_editable_get_selection(GtkEditable *editable)
 413 {
 414         guint start_pos, end_pos;
 415         gboolean found;
 416
 417         g_return_val_if_fail(GTK_IS_EDITABLE(editable), NULL);
 418
 419         found = gtk_editable_get_selection_bounds(editable,
 420                                                   &start_pos, &end_pos);
 421         if (found)
 422                 return gtk_editable_get_chars(editable, start_pos, end_pos);
 423         else
 424                 return NULL;
 425 }
 426
 427 void gtkut_editable_disable_im(GtkEditable *editable)
 428 {
 429         g_return_if_fail(editable != NULL);
 430
 431 #if USE_XIM
 432         if (editable->ic) {
 433                 gdk_ic_destroy(editable->ic);
 434                 editable->ic = NULL;
 435         }
 436         if (editable->ic_attr) {
 437                 gdk_ic_attr_destroy(editable->ic_attr);
 438                 editable->ic_attr = NULL;
 439         }
 440 #endif
 441 }
 442
 443 void gtkut_container_remove(GtkContainer *container, GtkWidget *widget)
 444 {
 445         gtk_container_remove(container, widget);
 446 }
 447
 448 gboolean gtkut_text_buffer_match_string(GtkTextBuffer *textbuf,
 449                                         const GtkTextIter *iter,
 450                                         gunichar *wcs, gint len,
 451                                         gboolean case_sens)
 452 {
 453         GtkTextIter start_iter, end_iter;
 454         gchar *utf8str, *p;
 455         gint match_count;
 456
 457         start_iter = end_iter = *iter;
 458         gtk_text_iter_forward_chars(&end_iter, len);
 459
 460         utf8str = gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter,
 461                                            FALSE);
 462         if (!utf8str) return FALSE;
 463
 464         if ((gint)g_utf8_strlen(utf8str, -1) != len) {
 465                 g_free(utf8str);
 466                 return FALSE;
 467         }
 468
 469         for (p = utf8str, match_count = 0;
 470              *p != '\0' && match_count < len;
 471              p = g_utf8_next_char(p), match_count++) {
 472                 gunichar wc;
 473
 474                 wc = g_utf8_get_char(p);
 475
 476                 if (case_sens) {
 477                         if (wc != wcs[match_count])
 478                                 break;
 479                 } else {
 480                         if (g_unichar_tolower(wc) !=
 481                             g_unichar_tolower(wcs[match_count]))
 482                                 break;
 483                 }
 484         }
 485
 486         g_free(utf8str);
 487
 488         if (match_count == len)
 489                 return TRUE;
 490         else
 491                 return FALSE;
 492 }
 493
 494 gboolean gtkut_text_buffer_find(GtkTextBuffer *buffer, const GtkTextIter *iter,
 495                                 const gchar *str, gboolean case_sens,
 496                                 GtkTextIter *match_pos)
 497 {
 498         gunichar *wcs;
 499         gint len;
 500         glong items_read = 0, items_written = 0;
 501         GError *error = NULL;
 502         GtkTextIter iter_;
 503         gboolean found = FALSE;
 504
 505         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 506         if (error != NULL) {
 507                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n",
 508                           error->message);
 509                 g_error_free(error);
 510         }
 511         if (!wcs || items_written <= 0) return FALSE;
 512         len = (gint)items_written;
 513
 514         iter_ = *iter;
 515         do {
 516                 found = gtkut_text_buffer_match_string
 517                         (buffer, &iter_, wcs, len, case_sens);
 518                 if (found) {
 519                         *match_pos = iter_;
 520                         break;
 521                 }
 522         } while (gtk_text_iter_forward_char(&iter_));
 523
 524         g_free(wcs);
 525
 526         return found;
 527 }
 528
 529 gboolean gtkut_text_buffer_find_backward(GtkTextBuffer *buffer,
 530                                          const GtkTextIter *iter,
 531                                          const gchar *str, gboolean case_sens,
 532                                          GtkTextIter *match_pos)
 533 {
 534         gunichar *wcs;
 535         gint len;
 536         glong items_read = 0, items_written = 0;
 537         GError *error = NULL;
 538         GtkTextIter iter_;
 539         gboolean found = FALSE;
 540
 541         wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error);
 542         if (error != NULL) {
 543                 g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n", error->message);
 544                 g_error_free(error);
 545         }
 546         if (!wcs || items_written <= 0) return FALSE;
 547         len = (gint)items_written;
 548
 549         iter_ = *iter;
 550         while (gtk_text_iter_backward_char(&iter_)) {
 551                 found = gtkut_text_buffer_match_string
 552                         (buffer, &iter_, wcs, len, case_sens);
 553                 if (found) {
 554                         *match_pos = iter_;
 555                         break;
 556                 }
 557         }
 558
 559         g_free(wcs);
 560
 561         return found;
 562 }
 563
 564 gchar *gtkut_text_view_get_selection(GtkTextView *textview)
 565 {
 566         GtkTextBuffer *buffer;
 567         GtkTextIter start_iter, end_iter;
 568         gboolean found;
 569
 570         g_return_val_if_fail(GTK_IS_TEXT_VIEW(textview), NULL);
 571
 572         buffer = gtk_text_view_get_buffer(textview);
 573         found = gtk_text_buffer_get_selection_bounds(buffer,
 574                                                      &start_iter,
 575                                                      &end_iter);
 576         if (found)
 577                 return gtk_text_buffer_get_text(buffer, &start_iter, &end_iter,
 578                                                 FALSE);
 579         else
 580                 return NULL;
 581 }
 582
 583 void gtkut_window_popup(GtkWidget *window)
 584 {
 585         gint x, y, sx, sy, new_x, new_y;
 586
 587         g_return_if_fail(window != NULL);
 588         g_return_if_fail(window->window != NULL);
 589
 590         sx = gdk_screen_width();
 591         sy = gdk_screen_height();
 592
 593         gdk_window_get_origin(window->window, &x, &y);
 594         new_x = x % sx; if (new_x < 0) new_x = 0;
 595         new_y = y % sy; if (new_y < 0) new_y = 0;
 596         if (new_x != x || new_y != y)
 597                 gdk_window_move(window->window, new_x, new_y);
 598
 599         gtk_window_present(GTK_WINDOW(window));
 600 }
 601
 602 void gtkut_widget_get_uposition(GtkWidget *widget, gint *px, gint *py)
 603 {
 604         gint x, y;
 605         gint sx, sy;
 606
 607         g_return_if_fail(widget != NULL);
 608         g_return_if_fail(widget->window != NULL);
 609
 610         sx = gdk_screen_width();
 611         sy = gdk_screen_height();
 612
 613         /* gdk_window_get_root_origin ever return *rootwindow*'s position */
 614         gdk_window_get_root_origin(widget->window, &x, &y);
 615
 616         x %= sx; if (x < 0) x = 0;
 617         y %= sy; if (y < 0) y = 0;
 618         *px = x;
 619         *py = y;
 620 }
 621
 622 void gtkut_widget_draw_now(GtkWidget *widget)
 623 {
 624         if (GTK_WIDGET_VISIBLE(widget) && GTK_WIDGET_DRAWABLE(widget))
 625                 gdk_window_process_updates(widget->window, FALSE);
 626 }
 627
 628 static void gtkut_clist_bindings_add(GtkWidget *clist)
 629 {
 630         GtkBindingSet *binding_set;
 631
 632         binding_set = gtk_binding_set_by_class
 633                 (GTK_CLIST_GET_CLASS(clist));
 634
 635         gtk_binding_entry_add_signal(binding_set, GDK_n, GDK_CONTROL_MASK,
 636                                      "scroll_vertical", 2,
 637                                      G_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
 638                                      G_TYPE_FLOAT, 0.0);
 639         gtk_binding_entry_add_signal(binding_set, GDK_p, GDK_CONTROL_MASK,
 640                                      "scroll_vertical", 2,
 641                                      G_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
 642                                      G_TYPE_FLOAT, 0.0);
 643 }
 644
 645 void gtkut_widget_init(void)
 646 {
 647         GtkWidget *clist;
 648
 649         clist = gtk_clist_new(1);
 650         g_object_ref(G_OBJECT(clist));
 651         gtk_object_sink(GTK_OBJECT(clist));
 652         gtkut_clist_bindings_add(clist);
 653         g_object_unref(G_OBJECT(clist));
 654
 655         clist = gtk_ctree_new(1, 0);
 656         g_object_ref(G_OBJECT(clist));
 657         gtk_object_sink(GTK_OBJECT(clist));
 658         gtkut_clist_bindings_add(clist);
 659         g_object_unref(G_OBJECT(clist));
 660
 661         clist = gtk_sctree_new_with_titles(1, 0, NULL);
 662         g_object_ref(G_OBJECT(clist));
 663         gtk_object_sink(GTK_OBJECT(clist));
 664         gtkut_clist_bindings_add(clist);
 665         g_object_unref(G_OBJECT(clist));
 666 }
 667
 668 void gtkut_widget_set_app_icon(GtkWidget *widget)
 669 {
 670 #include "pixmaps/sylpheed.xpm"
 671         static GdkPixmap *sylpheedxpm;
 672         static GdkBitmap *sylpheedxpmmask;
 673
 674         g_return_if_fail(widget != NULL);
 675         g_return_if_fail(widget->window != NULL);
 676         if (!sylpheedxpm) {
 677                 PIXMAP_CREATE(widget, sylpheedxpm, sylpheedxpmmask, sylpheed_xpm);
 678         }
 679         gdk_window_set_icon(widget->window, NULL, sylpheedxpm, sylpheedxpmmask);
 680 }
 681
 682 void gtkut_widget_set_composer_icon(GtkWidget *widget)
 683 {
 684         static GdkPixmap *xpm;
 685         static GdkBitmap *bmp;
 686
 687         g_return_if_fail(widget != NULL);
 688         g_return_if_fail(widget->window != NULL);
 689         if (!xpm) {
 690                 stock_pixmap_gdk(widget, STOCK_PIXMAP_MAIL_COMPOSE, &xpm, &bmp);
 691         }
 692         gdk_window_set_icon(widget->window, NULL, xpm, bmp);
 693 }
 694
 695 GtkWidget *gtkut_account_menu_new(GList                 *ac_list,
 696                                   GCallback              callback,
 697                                   gpointer               data)
 698 {
 699         GList *cur_ac;
 700         GtkWidget *menu;
 701
 702         g_return_val_if_fail(ac_list != NULL, NULL);
 703
 704         menu = gtk_menu_new();
 705
 706         for (cur_ac = ac_list; cur_ac != NULL; cur_ac = cur_ac->next) {
 707                 gchar *name;
 708                 GtkWidget *menuitem;
 709                 PrefsAccount *account;
 710
 711                 account = (PrefsAccount *) cur_ac->data;
 712                 if (account->name)
 713                         name = g_strdup_printf("%s: %s <%s>",
 714                                                account->account_name,
 715                                                account->name,
 716                                                account->address);
 717                 else
 718                         name = g_strdup_printf("%s: %s",
 719                                                account->account_name,
 720                                                account->address);
 721                 MENUITEM_ADD(menu, menuitem, name, account->account_id);
 722                 g_free(name);
 723                 if (callback != NULL)
 724                         g_signal_connect(G_OBJECT(menuitem), "activate",
 725                                          callback, data);
 726         }
 727         return menu;
 728 }
 729
 730 void gtkut_set_widget_bgcolor_rgb(GtkWidget *widget, guint rgbvalue)
 731 {
 732         GtkStyle *newstyle;
 733         GdkColor gdk_color;
 734
 735         gtkut_convert_int_to_gdk_color(rgbvalue, &gdk_color);
 736         newstyle = gtk_style_copy(gtk_widget_get_default_style());
 737         newstyle->bg[GTK_STATE_NORMAL]   = gdk_color;
 738         newstyle->bg[GTK_STATE_PRELIGHT] = gdk_color;
 739         newstyle->bg[GTK_STATE_ACTIVE]   = gdk_color;
 740         gtk_widget_set_style(widget, newstyle);
 741 }
 742
 743 /*!
 744  *\brief        Tries to find a focused child using a lame strategy
 745  */
 746 GtkWidget *gtkut_get_focused_child(GtkContainer *parent)
 747 {
 748         GtkWidget *result = NULL;
 749         GList *child_list = NULL;
 750         GList *c;
 751
 752         g_return_val_if_fail(parent, NULL);
 753
 754         /* Get children list and see which has the focus. */
 755         child_list = gtk_container_get_children(parent);
 756         if (!child_list)
 757                 return NULL;
 758
 759         for (c = child_list; c != NULL; c = g_list_next(c)) {
 760                 if (c->data && GTK_IS_WIDGET(c->data)) {
 761                         if (GTK_WIDGET_HAS_FOCUS(GTK_WIDGET(c->data))) {
 762                                 result = GTK_WIDGET(c->data);
 763                                 break;
 764                         }
 765                 }
 766         }
 767
 768         /* See if the returned widget is a container itself; if it is,
 769          * see if one of its children is focused. If the focused
 770          * container has no focused child, it is itself a focusable
 771          * child, and has focus. */
 772         if (result && GTK_IS_CONTAINER(result)) {
 773                 GtkWidget *tmp =  gtkut_get_focused_child(GTK_CONTAINER(result));
 774
 775                 if (tmp)
 776                         result = tmp;
 777         } else {
 778                 /* Try the same for each container in the chain */
 779                 for (c = child_list; c != NULL && !result; c = g_list_next(c)) {
 780                         if (c->data && GTK_IS_WIDGET(c->data)
 781                         &&  GTK_IS_CONTAINER(c->data)) {
 782                                 result = gtkut_get_focused_child
 783                                         (GTK_CONTAINER(c->data));
 784                         }
 785                 }
 786
 787         }
 788
 789         g_list_free(child_list);
 790
 791         return result;
 792 }