2 * Copyright (C) 2003, 2004 Marco Pesenti Gritti
3 * Copyright (C) 2003, 2004 Christian Persch
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, or (at your option)
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.
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.
24 #include <glib/gi18n.h>
27 #include <evince-document.h>
28 #include "ev-page-action.h"
29 #include "ev-page-action-widget.h"
31 /* Widget we pass back */
32 static void ev_page_action_widget_init (EvPageActionWidget *action_widget);
33 static void ev_page_action_widget_class_init (EvPageActionWidgetClass *action_widget);
41 struct _EvPageActionWidget
47 EvPageCache *page_cache;
49 GtkTreeModel *filter_model;
53 static guint widget_signals[WIDGET_N_SIGNALS] = {0, };
55 G_DEFINE_TYPE (EvPageActionWidget, ev_page_action_widget, GTK_TYPE_TOOL_ITEM)
58 update_pages_label (EvPageActionWidget *action_widget,
60 EvPageCache *page_cache)
65 n_pages = page_cache ? ev_page_cache_get_n_pages (page_cache) : 0;
66 if (page_cache && ev_page_cache_has_nonnumeric_page_labels (page_cache)) {
67 label_text = g_strdup_printf (_("(%d of %d)"), page + 1, n_pages);
69 label_text = g_strdup_printf (_("of %d"), n_pages);
71 gtk_label_set_text (GTK_LABEL (action_widget->label), label_text);
76 page_changed_cb (EvPageCache *page_cache,
78 EvPageActionWidget *action_widget)
80 if (page_cache && page >= 0) {
83 gtk_entry_set_width_chars (GTK_ENTRY (action_widget->entry),
84 CLAMP (ev_page_cache_get_max_label_chars (page_cache),
87 page_label = ev_page_cache_get_page_label (page_cache, page);
88 gtk_entry_set_text (GTK_ENTRY (action_widget->entry), page_label);
89 gtk_editable_set_position (GTK_EDITABLE (action_widget->entry), -1);
93 gtk_entry_set_text (GTK_ENTRY (action_widget->entry), "");
96 update_pages_label (action_widget, page, page_cache);
100 page_scroll_cb (EvPageActionWidget *action_widget, GdkEventScroll *event)
102 EvPageCache *page_cache = action_widget->page_cache;
105 pageno = ev_page_cache_get_current_page (page_cache);
106 if ((event->direction == GDK_SCROLL_DOWN) &&
107 (pageno < ev_page_cache_get_n_pages (page_cache) - 1))
109 if ((event->direction == GDK_SCROLL_UP) && (pageno > 0))
111 ev_page_cache_set_current_page (page_cache, pageno);
117 activate_cb (EvPageActionWidget *action_widget)
119 EvPageCache *page_cache;
122 EvLinkDest *link_dest;
123 EvLinkAction *link_action;
127 text = gtk_entry_get_text (GTK_ENTRY (action_widget->entry));
129 link_dest = ev_link_dest_new_page_label (text);
130 link_action = ev_link_action_new_dest (link_dest);
131 link_text = g_strdup_printf ("Page: %s", text);
132 link = ev_link_new (link_text, link_action);
134 g_signal_emit (action_widget, widget_signals[WIDGET_ACTIVATE_LINK], 0, link);
136 g_object_unref (link);
139 /* rest the entry to the current page if we were unable to
141 page_cache = action_widget->page_cache;
142 page_label = ev_page_cache_get_page_label (page_cache,
143 ev_page_cache_get_current_page (page_cache));
144 gtk_entry_set_text (GTK_ENTRY (action_widget->entry), page_label);
145 gtk_editable_set_position (GTK_EDITABLE (action_widget->entry), -1);
150 ev_page_action_widget_init (EvPageActionWidget *action_widget)
155 hbox = gtk_hbox_new (FALSE, 0);
156 gtk_box_set_spacing (GTK_BOX (hbox), 6);
158 action_widget->entry = gtk_entry_new ();
159 gtk_widget_add_events (action_widget->entry,
160 GDK_BUTTON_MOTION_MASK);
161 gtk_entry_set_width_chars (GTK_ENTRY (action_widget->entry), 5);
162 g_signal_connect_swapped (action_widget->entry, "scroll-event",
163 G_CALLBACK (page_scroll_cb),
165 g_signal_connect_swapped (action_widget->entry, "activate",
166 G_CALLBACK (activate_cb),
169 obj = gtk_widget_get_accessible (action_widget->entry);
170 atk_object_set_name (obj, "page-label-entry");
172 gtk_box_pack_start (GTK_BOX (hbox), action_widget->entry,
174 gtk_widget_show (action_widget->entry);
176 action_widget->label = gtk_label_new (NULL);
177 gtk_box_pack_start (GTK_BOX (hbox), action_widget->label,
179 gtk_widget_show (action_widget->label);
181 gtk_container_set_border_width (GTK_CONTAINER (action_widget), 6);
182 gtk_container_add (GTK_CONTAINER (action_widget), hbox);
183 gtk_widget_show (hbox);
185 gtk_widget_show (GTK_WIDGET (action_widget));
189 ev_page_action_widget_set_page_cache (EvPageActionWidget *action_widget,
190 EvPageCache *page_cache)
192 if (action_widget->page_cache != NULL) {
193 if (action_widget->signal_id > 0) {
194 g_signal_handler_disconnect (action_widget->page_cache,
195 action_widget->signal_id);
196 action_widget->signal_id = 0;
198 g_object_remove_weak_pointer (G_OBJECT (action_widget->page_cache),
199 (gpointer)&action_widget->page_cache);
200 action_widget->page_cache = NULL;
203 if (page_cache != NULL) {
204 action_widget->page_cache = page_cache;
205 g_object_add_weak_pointer (G_OBJECT (page_cache),
206 (gpointer)&action_widget->page_cache);
207 action_widget->signal_id =
208 g_signal_connect_object (page_cache, "page-changed",
209 G_CALLBACK (page_changed_cb),
211 page_changed_cb (page_cache,
212 ev_page_cache_get_current_page (page_cache),
215 action_widget->signal_id = 0;
216 page_changed_cb (NULL, 0, action_widget);
221 ev_page_action_widget_finalize (GObject *object)
223 EvPageActionWidget *action_widget = EV_PAGE_ACTION_WIDGET (object);
225 if (action_widget->page_cache != NULL) {
226 if (action_widget->signal_id > 0) {
227 g_signal_handler_disconnect (action_widget->page_cache,
228 action_widget->signal_id);
229 action_widget->signal_id = 0;
231 g_object_remove_weak_pointer (G_OBJECT (action_widget->page_cache),
232 (gpointer)&action_widget->page_cache);
233 action_widget->page_cache = NULL;
236 G_OBJECT_CLASS (ev_page_action_widget_parent_class)->finalize (object);
240 ev_page_action_widget_class_init (EvPageActionWidgetClass *class)
242 GObjectClass *object_class = G_OBJECT_CLASS (class);
244 object_class->finalize = ev_page_action_widget_finalize;
246 widget_signals[WIDGET_ACTIVATE_LINK] =
247 g_signal_new ("activate_link",
248 G_OBJECT_CLASS_TYPE (object_class),
249 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
250 G_STRUCT_OFFSET (EvPageActionClass, activate_link),
252 g_cclosure_marshal_VOID__OBJECT,
259 match_selected_cb (GtkEntryCompletion *completion,
260 GtkTreeModel *filter_model,
261 GtkTreeIter *filter_iter,
262 EvPageActionWidget *proxy)
267 gtk_tree_model_get (filter_model, filter_iter,
270 gtk_tree_model_get (proxy->model, iter,
271 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
274 g_signal_emit (proxy, widget_signals[WIDGET_ACTIVATE_LINK], 0, link);
277 g_object_unref (link);
279 gtk_tree_iter_free (iter);
286 display_completion_text (GtkCellLayout *cell_layout,
287 GtkCellRenderer *renderer,
288 GtkTreeModel *filter_model,
289 GtkTreeIter *filter_iter,
290 EvPageActionWidget *proxy)
295 gtk_tree_model_get (filter_model, filter_iter,
298 gtk_tree_model_get (proxy->model, iter,
299 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
302 g_object_set (renderer, "text", ev_link_get_title (link), NULL);
305 g_object_unref (link);
307 gtk_tree_iter_free (iter);
311 match_completion (GtkEntryCompletion *completion,
313 GtkTreeIter *filter_iter,
314 EvPageActionWidget *proxy)
318 const gchar *text = NULL;
320 gtk_tree_model_get (gtk_entry_completion_get_model (completion),
324 gtk_tree_model_get (proxy->model, iter,
325 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
330 text = ev_link_get_title (link);
331 g_object_unref (link);
334 gtk_tree_iter_free (iter);
337 gchar *normalized_text;
338 gchar *normalized_key;
339 gchar *case_normalized_text;
340 gchar *case_normalized_key;
341 gboolean retval = FALSE;
343 normalized_text = g_utf8_normalize (text, -1, G_NORMALIZE_ALL);
344 normalized_key = g_utf8_normalize (key, -1, G_NORMALIZE_ALL);
345 case_normalized_text = g_utf8_casefold (normalized_text, -1);
346 case_normalized_key = g_utf8_casefold (normalized_key, -1);
348 if (strstr (case_normalized_text, case_normalized_key))
351 g_free (normalized_text);
352 g_free (normalized_key);
353 g_free (case_normalized_text);
354 g_free (case_normalized_key);
362 /* user data to set on the widget. */
363 #define EPA_FILTER_MODEL_DATA "epa-filter-model"
366 build_new_tree_cb (GtkTreeModel *model,
371 GtkTreeModel *filter_model = GTK_TREE_MODEL (data);
373 EvLinkAction *action;
374 EvLinkActionType type;
376 gtk_tree_model_get (model, iter,
377 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
383 action = ev_link_get_action (link);
385 g_object_unref (link);
389 type = ev_link_action_get_action_type (action);
391 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
392 GtkTreeIter filter_iter;
394 gtk_list_store_append (GTK_LIST_STORE (filter_model), &filter_iter);
395 gtk_list_store_set (GTK_LIST_STORE (filter_model), &filter_iter,
400 g_object_unref (link);
405 static GtkTreeModel *
406 get_filter_model_from_model (GtkTreeModel *model)
408 GtkTreeModel *filter_model;
411 (GtkTreeModel *) g_object_get_data (G_OBJECT (model), EPA_FILTER_MODEL_DATA);
412 if (filter_model == NULL) {
413 filter_model = (GtkTreeModel *) gtk_list_store_new (1, GTK_TYPE_TREE_ITER);
415 gtk_tree_model_foreach (model,
418 g_object_set_data_full (G_OBJECT (model), EPA_FILTER_MODEL_DATA, filter_model, g_object_unref);
426 ev_page_action_widget_update_model (EvPageActionWidget *proxy, GtkTreeModel *model)
428 GtkTreeModel *filter_model;
429 GtkEntryCompletion *completion;
430 GtkCellRenderer *renderer;
436 proxy->model = model;
437 filter_model = get_filter_model_from_model (model);
439 completion = gtk_entry_completion_new ();
440 g_object_set (G_OBJECT (completion),
441 "popup-set-width", FALSE,
442 "model", filter_model,
445 g_signal_connect (completion, "match-selected", G_CALLBACK (match_selected_cb), proxy);
446 gtk_entry_completion_set_match_func (completion,
447 (GtkEntryCompletionMatchFunc) match_completion,
450 /* Set up the layout */
451 renderer = (GtkCellRenderer *)
452 g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
453 "ellipsize", PANGO_ELLIPSIZE_END,
456 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (completion), renderer, TRUE);
457 gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (completion),
459 (GtkCellLayoutDataFunc) display_completion_text,
461 gtk_entry_set_completion (GTK_ENTRY (proxy->entry), completion);
463 g_object_unref (completion);
464 g_object_unref (model);
468 ev_page_action_widget_grab_focus (EvPageActionWidget *proxy)
470 gtk_widget_grab_focus (proxy->entry);