--- /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.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include "ev-page-action.h"
+#include "ev-page-action-widget.h"
+
+struct _EvPageActionPrivate
+{
+ EvPageCache *page_cache;
+ GtkTreeModel *model;
+};
+
+
+static void ev_page_action_init (EvPageAction *action);
+static void ev_page_action_class_init (EvPageActionClass *class);
+
+enum
+{
+ ACTIVATE_LINK,
+ N_SIGNALS
+};
+
+static guint signals[N_SIGNALS] = {0, };
+
+G_DEFINE_TYPE (EvPageAction, ev_page_action, GTK_TYPE_ACTION)
+
+#define EV_PAGE_ACTION_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_PAGE_ACTION, EvPageActionPrivate))
+
+enum {
+ PROP_0,
+ PROP_PAGE_CACHE,
+ PROP_MODEL,
+};
+
+static void
+update_pages_label (EvPageActionWidget *proxy,
+ gint page,
+ EvPageCache *page_cache)
+{
+ char *label_text;
+ gint n_pages;
+
+ n_pages = page_cache ? ev_page_cache_get_n_pages (page_cache) : 0;
+ if (page_cache && ev_page_cache_has_nonnumeric_page_labels (page_cache)) {
+ label_text = g_strdup_printf (_("(%d of %d)"), page + 1, n_pages);
+ } else {
+ label_text = g_strdup_printf (_("of %d"), n_pages);
+ }
+ gtk_label_set_text (GTK_LABEL (proxy->label), label_text);
+ g_free (label_text);
+}
+
+static void
+page_changed_cb (EvPageCache *page_cache,
+ gint page,
+ EvPageActionWidget *proxy)
+{
+ g_assert (proxy);
+
+ if (page_cache != NULL && page >= 0) {
+ gchar *page_label;
+
+ gtk_entry_set_width_chars (GTK_ENTRY (proxy->entry),
+ CLAMP (ev_page_cache_get_max_label_chars (page_cache),
+ 6, 12));
+
+ page_label = ev_page_cache_get_page_label (page_cache, page);
+ gtk_entry_set_text (GTK_ENTRY (proxy->entry), page_label);
+ gtk_editable_set_position (GTK_EDITABLE (proxy->entry), -1);
+ g_free (page_label);
+
+ } else {
+ gtk_entry_set_text (GTK_ENTRY (proxy->entry), "");
+ }
+
+ update_pages_label (proxy, page, page_cache);
+}
+
+static void
+activate_cb (GtkWidget *entry, GtkAction *action)
+{
+ EvPageAction *page = EV_PAGE_ACTION (action);
+ EvPageCache *page_cache;
+ const char *text;
+ gchar *page_label;
+
+ EvLinkDest *link_dest;
+ EvLinkAction *link_action;
+ EvLink *link;
+ gchar *link_text;
+
+ text = gtk_entry_get_text (GTK_ENTRY (entry));
+ page_cache = page->priv->page_cache;
+
+
+ link_dest = ev_link_dest_new_page_label (text);
+ link_action = ev_link_action_new_dest (link_dest);
+ link_text = g_strdup_printf ("Page: %s", text);
+ link = ev_link_new (link_text, link_action);
+
+ g_signal_emit (action, signals[ACTIVATE_LINK], 0, link);
+
+ g_object_unref (link);
+ g_free (link_text);
+
+ /* rest the entry to the current page if we were unable to
+ * change it */
+ page_label = ev_page_cache_get_page_label (page_cache,
+ ev_page_cache_get_current_page (page_cache));
+ gtk_entry_set_text (GTK_ENTRY (entry), page_label);
+ gtk_editable_set_position (GTK_EDITABLE (entry), -1);
+ g_free (page_label);
+}
+
+static gboolean page_scroll_cb(GtkWidget *widget, GdkEventScroll *event, EvPageAction* action)
+{
+ gint pageno;
+
+ pageno = ev_page_cache_get_current_page (action->priv->page_cache);
+ if ((event->direction == GDK_SCROLL_DOWN) &&
+ (pageno < ev_page_cache_get_n_pages(action->priv->page_cache) - 1))
+ pageno++;
+ if ((event->direction == GDK_SCROLL_UP) && (pageno > 0))
+ pageno--;
+ ev_page_cache_set_current_page (action->priv->page_cache, pageno);
+
+ return TRUE;
+}
+
+static GtkWidget *
+create_tool_item (GtkAction *action)
+{
+ EvPageActionWidget *proxy;
+ GtkWidget *hbox;
+ AtkObject *obj;
+
+ proxy = g_object_new (ev_page_action_widget_get_type (), NULL);
+ gtk_container_set_border_width (GTK_CONTAINER (proxy), 6);
+ gtk_widget_show (GTK_WIDGET (proxy));
+
+ hbox = gtk_hbox_new (FALSE, 0);
+ gtk_box_set_spacing (GTK_BOX (hbox), 6);
+
+ proxy->entry = gtk_entry_new ();
+ obj = gtk_widget_get_accessible (proxy->entry);
+ atk_object_set_name (obj, "page-label-entry");
+
+ g_signal_connect(proxy->entry, "scroll-event",G_CALLBACK(page_scroll_cb),action);
+ gtk_widget_add_events(GTK_WIDGET(proxy->entry),GDK_BUTTON_MOTION_MASK);
+ gtk_entry_set_width_chars (GTK_ENTRY (proxy->entry), 5);
+ gtk_box_pack_start (GTK_BOX (hbox), proxy->entry, FALSE, FALSE, 0);
+ gtk_widget_show (proxy->entry);
+ g_signal_connect (proxy->entry, "activate",
+ G_CALLBACK (activate_cb),
+ action);
+
+ proxy->label = gtk_label_new (NULL);
+ gtk_box_pack_start (GTK_BOX (hbox), proxy->label, FALSE, FALSE, 0);
+ gtk_widget_show (proxy->label);
+
+ gtk_container_add (GTK_CONTAINER (proxy), hbox);
+ gtk_widget_show (hbox);
+
+ return GTK_WIDGET (proxy);
+}
+
+static void
+update_page_cache (EvPageAction *page, GParamSpec *pspec, EvPageActionWidget *proxy)
+{
+ EvPageCache *page_cache;
+ guint signal_id;
+
+ page_cache = page->priv->page_cache;
+
+ /* clear the old signal */
+ if (proxy->signal_id > 0 && proxy->page_cache)
+ g_signal_handler_disconnect (proxy->page_cache, proxy->signal_id);
+
+ if (page_cache != NULL) {
+ signal_id = g_signal_connect_object (page_cache,
+ "page-changed",
+ G_CALLBACK (page_changed_cb),
+ proxy, 0);
+ /* Set the initial value */
+ page_changed_cb (page_cache,
+ ev_page_cache_get_current_page (page_cache),
+ proxy);
+ } else {
+ /* Or clear the entry */
+ signal_id = 0;
+ page_changed_cb (NULL, 0, proxy);
+ }
+ ev_page_action_widget_set_page_cache (proxy, page_cache);
+ proxy->signal_id = signal_id;
+}
+
+static void
+activate_link_cb (EvPageActionWidget *proxy, EvLink *link, EvPageAction *action)
+{
+ g_signal_emit (action, signals[ACTIVATE_LINK], 0, link);
+}
+
+static void
+update_model (EvPageAction *page, GParamSpec *pspec, EvPageActionWidget *proxy)
+{
+ GtkTreeModel *model;
+
+ g_object_get (G_OBJECT (page),
+ "model", &model,
+ NULL);
+
+ ev_page_action_widget_update_model (proxy, model);
+}
+
+static void
+connect_proxy (GtkAction *action, GtkWidget *proxy)
+{
+ if (GTK_IS_TOOL_ITEM (proxy)) {
+ g_signal_connect_object (action, "notify::page-cache",
+ G_CALLBACK (update_page_cache),
+ proxy, 0);
+ g_signal_connect (proxy, "activate_link",
+ G_CALLBACK (activate_link_cb),
+ action);
+ update_page_cache (EV_PAGE_ACTION (action), NULL,
+ EV_PAGE_ACTION_WIDGET (proxy));
+ g_signal_connect_object (action, "notify::model",
+ G_CALLBACK (update_model),
+ proxy, 0);
+ }
+
+ GTK_ACTION_CLASS (ev_page_action_parent_class)->connect_proxy (action, proxy);
+}
+
+static void
+ev_page_action_dispose (GObject *object)
+{
+ EvPageAction *page = EV_PAGE_ACTION (object);
+
+ if (page->priv->page_cache) {
+ g_object_unref (page->priv->page_cache);
+ page->priv->page_cache = NULL;
+ }
+
+ G_OBJECT_CLASS (ev_page_action_parent_class)->dispose (object);
+}
+
+static void
+ev_page_action_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ EvPageAction *page;
+ EvPageCache *page_cache;
+ GtkTreeModel *model;
+
+ page = EV_PAGE_ACTION (object);
+
+ switch (prop_id)
+ {
+ case PROP_PAGE_CACHE:
+ page_cache = page->priv->page_cache;
+ page->priv->page_cache = EV_PAGE_CACHE (g_value_dup_object (value));
+ if (page_cache)
+ g_object_unref (page_cache);
+ break;
+ case PROP_MODEL:
+ model = page->priv->model;
+ page->priv->model = GTK_TREE_MODEL (g_value_dup_object (value));
+ if (model)
+ g_object_unref (model);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+ev_page_action_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ EvPageAction *page;
+
+ page = EV_PAGE_ACTION (object);
+
+ switch (prop_id)
+ {
+ case PROP_PAGE_CACHE:
+ g_value_set_object (value, page->priv->page_cache);
+ break;
+ case PROP_MODEL:
+ g_value_set_object (value, page->priv->model);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+void
+ev_page_action_set_document (EvPageAction *page, EvDocument *document)
+{
+ EvPageCache *page_cache = NULL;
+
+ if (document)
+ page_cache = ev_page_cache_get (document);
+
+ g_object_set (page,
+ "page-cache", page_cache,
+ "model", NULL,
+ NULL);
+}
+
+void
+ev_page_action_set_model (EvPageAction *page_action,
+ GtkTreeModel *model)
+{
+ g_object_set (page_action,
+ "model", model,
+ NULL);
+}
+
+void
+ev_page_action_grab_focus (EvPageAction *page_action)
+{
+ GSList *proxies;
+
+ proxies = gtk_action_get_proxies (GTK_ACTION (page_action));
+ for (; proxies != NULL; proxies = proxies->next) {
+ EvPageActionWidget *proxy;
+
+ proxy = EV_PAGE_ACTION_WIDGET (proxies->data);
+
+ if (GTK_WIDGET_MAPPED (GTK_WIDGET (proxy)))
+ gtk_widget_grab_focus (proxy->entry);
+ }
+}
+
+static void
+ev_page_action_init (EvPageAction *page)
+{
+ page->priv = EV_PAGE_ACTION_GET_PRIVATE (page);
+}
+
+static void
+ev_page_action_class_init (EvPageActionClass *class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+ GtkActionClass *action_class = GTK_ACTION_CLASS (class);
+
+ object_class->dispose = ev_page_action_dispose;
+ object_class->set_property = ev_page_action_set_property;
+ object_class->get_property = ev_page_action_get_property;
+
+ action_class->toolbar_item_type = GTK_TYPE_TOOL_ITEM;
+ action_class->create_tool_item = create_tool_item;
+ action_class->connect_proxy = connect_proxy;
+
+ signals[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);
+
+ g_object_class_install_property (object_class,
+ PROP_PAGE_CACHE,
+ g_param_spec_object ("page-cache",
+ "Page Cache",
+ "Current page cache",
+ EV_TYPE_PAGE_CACHE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_MODEL,
+ g_param_spec_object ("model",
+ "Model",
+ "Current Model",
+ GTK_TYPE_TREE_MODEL,
+ G_PARAM_READWRITE));
+
+ g_type_class_add_private (object_class, sizeof (EvPageActionPrivate));
+}
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff