--- /dev/null
+/*
+ * Copyright (C) 2003, 2004 Marco Pesenti Gritti
+ * Copyright (C) 2003, 2004 Christian Persch
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include <evince-document.h>
+#include "ev-page-action.h"
+#include "ev-page-action-widget.h"
+
+/* Widget we pass back */
+static void ev_page_action_widget_init (EvPageActionWidget *action_widget);
+static void ev_page_action_widget_class_init (EvPageActionWidgetClass *action_widget);
+
+enum
+{
+ WIDGET_ACTIVATE_LINK,
+ WIDGET_N_SIGNALS
+};
+
+static guint widget_signals[WIDGET_N_SIGNALS] = {0, };
+
+G_DEFINE_TYPE (EvPageActionWidget, ev_page_action_widget, GTK_TYPE_TOOL_ITEM)
+
+static void
+ev_page_action_widget_init (EvPageActionWidget *action_widget)
+{
+ return;
+}
+
+void
+ev_page_action_widget_set_page_cache (EvPageActionWidget *action_widget,
+ EvPageCache *page_cache)
+{
+ if (action_widget->page_cache != NULL) {
+ g_object_remove_weak_pointer (G_OBJECT (action_widget->page_cache),
+ (gpointer)&action_widget->page_cache);
+ action_widget->page_cache = NULL;
+ }
+
+ if (page_cache != NULL) {
+ action_widget->page_cache = page_cache;
+ g_object_add_weak_pointer (G_OBJECT (page_cache),
+ (gpointer)&action_widget->page_cache);
+ }
+}
+
+static void
+ev_page_action_widget_finalize (GObject *object)
+{
+ EvPageActionWidget *action_widget = EV_PAGE_ACTION_WIDGET (object);
+
+ ev_page_action_widget_set_page_cache (action_widget, NULL);
+
+ G_OBJECT_CLASS (ev_page_action_widget_parent_class)->finalize (object);
+}
+
+static void
+ev_page_action_widget_class_init (EvPageActionWidgetClass *class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+ object_class->finalize = ev_page_action_widget_finalize;
+
+ widget_signals[WIDGET_ACTIVATE_LINK] = g_signal_new ("activate_link",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvPageActionClass, activate_link),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1,
+ G_TYPE_OBJECT);
+
+}
+
+static gboolean
+match_selected_cb (GtkEntryCompletion *completion,
+ GtkTreeModel *filter_model,
+ GtkTreeIter *filter_iter,
+ EvPageActionWidget *proxy)
+{
+ EvLink *link;
+ GtkTreeIter *iter;
+
+ gtk_tree_model_get (filter_model, filter_iter,
+ 0, &iter,
+ -1);
+ gtk_tree_model_get (proxy->model, iter,
+ EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
+ -1);
+
+ g_signal_emit (proxy, widget_signals[WIDGET_ACTIVATE_LINK], 0, link);
+
+ if (link)
+ g_object_unref (link);
+
+ gtk_tree_iter_free (iter);
+
+ return TRUE;
+}
+
+
+static void
+display_completion_text (GtkCellLayout *cell_layout,
+ GtkCellRenderer *renderer,
+ GtkTreeModel *filter_model,
+ GtkTreeIter *filter_iter,
+ EvPageActionWidget *proxy)
+{
+ EvLink *link;
+ GtkTreeIter *iter;
+
+ gtk_tree_model_get (filter_model, filter_iter,
+ 0, &iter,
+ -1);
+ gtk_tree_model_get (proxy->model, iter,
+ EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
+ -1);
+
+ g_object_set (renderer, "text", ev_link_get_title (link), NULL);
+
+ if (link)
+ g_object_unref (link);
+
+ gtk_tree_iter_free (iter);
+}
+
+static gboolean
+match_completion (GtkEntryCompletion *completion,
+ const gchar *key,
+ GtkTreeIter *filter_iter,
+ EvPageActionWidget *proxy)
+{
+ EvLink *link;
+ GtkTreeIter *iter;
+ const gchar *text = NULL;
+
+ gtk_tree_model_get (gtk_entry_completion_get_model (completion),
+ filter_iter,
+ 0, &iter,
+ -1);
+ gtk_tree_model_get (proxy->model, iter,
+ EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
+ -1);
+
+
+ if (link) {
+ text = ev_link_get_title (link);
+ g_object_unref (link);
+ }
+
+ gtk_tree_iter_free (iter);
+
+ if (text && key) {
+ gchar *normalized_text;
+ gchar *normalized_key;
+ gchar *case_normalized_text;
+ gchar *case_normalized_key;
+ gboolean retval = FALSE;
+
+ normalized_text = g_utf8_normalize (text, -1, G_NORMALIZE_ALL);
+ normalized_key = g_utf8_normalize (key, -1, G_NORMALIZE_ALL);
+ case_normalized_text = g_utf8_casefold (normalized_text, -1);
+ case_normalized_key = g_utf8_casefold (normalized_key, -1);
+
+ if (strstr (case_normalized_text, case_normalized_key))
+ retval = TRUE;
+
+ g_free (normalized_text);
+ g_free (normalized_key);
+ g_free (case_normalized_text);
+ g_free (case_normalized_key);
+
+ return retval;
+ }
+
+ return FALSE;
+}
+
+/* user data to set on the widget. */
+#define EPA_FILTER_MODEL_DATA "epa-filter-model"
+
+static gboolean
+build_new_tree_cb (GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ gpointer data)
+{
+ GtkTreeModel *filter_model = GTK_TREE_MODEL (data);
+ EvLink *link;
+ EvLinkAction *action;
+ EvLinkActionType type;
+
+ gtk_tree_model_get (model, iter,
+ EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
+ -1);
+
+ if (!link)
+ return FALSE;
+
+ action = ev_link_get_action (link);
+ if (!action) {
+ g_object_unref (link);
+ return FALSE;
+ }
+
+ type = ev_link_action_get_action_type (action);
+
+ if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
+ GtkTreeIter filter_iter;
+
+ gtk_list_store_append (GTK_LIST_STORE (filter_model), &filter_iter);
+ gtk_list_store_set (GTK_LIST_STORE (filter_model), &filter_iter,
+ 0, iter,
+ -1);
+ }
+
+ g_object_unref (link);
+
+ return FALSE;
+}
+
+static GtkTreeModel *
+get_filter_model_from_model (GtkTreeModel *model)
+{
+ GtkTreeModel *filter_model;
+
+ filter_model =
+ (GtkTreeModel *) g_object_get_data (G_OBJECT (model), EPA_FILTER_MODEL_DATA);
+ if (filter_model == NULL) {
+ filter_model = (GtkTreeModel *) gtk_list_store_new (1, GTK_TYPE_TREE_ITER);
+
+ gtk_tree_model_foreach (model,
+ build_new_tree_cb,
+ filter_model);
+ g_object_set_data_full (G_OBJECT (model), EPA_FILTER_MODEL_DATA, filter_model, g_object_unref);
+ }
+
+ return filter_model;
+}
+
+
+void
+ev_page_action_widget_update_model (EvPageActionWidget *proxy, GtkTreeModel *model)
+{
+ GtkTreeModel *filter_model;
+
+ if (model != NULL) {
+ /* Magik */
+ GtkEntryCompletion *completion;
+ GtkCellRenderer *renderer;
+
+ proxy->model = model;
+ filter_model = get_filter_model_from_model (model);
+
+ completion = gtk_entry_completion_new ();
+
+ g_object_set (G_OBJECT (completion),
+ "popup-set-width", FALSE,
+ "model", filter_model,
+ NULL);
+
+ g_signal_connect (completion, "match-selected", G_CALLBACK (match_selected_cb), proxy);
+ gtk_entry_completion_set_match_func (completion,
+ (GtkEntryCompletionMatchFunc) match_completion,
+ proxy, NULL);
+
+ /* Set up the layout */
+ renderer = (GtkCellRenderer *)
+ g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
+ "ellipsize", PANGO_ELLIPSIZE_END,
+ "width_chars", 30,
+ NULL);
+ gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (completion), renderer, TRUE);
+ gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (completion),
+ renderer,
+ (GtkCellLayoutDataFunc) display_completion_text,
+ proxy, NULL);
+ gtk_entry_set_completion (GTK_ENTRY (proxy->entry), completion);
+
+ g_object_unref (completion);
+ g_object_unref (model);
+ }
+}
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff