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gtk2/gtk/gtkrecentchoosermenu.c
Matthias Clasen 113f364a37 More of the same
2006-05-14 04:25:34 +00:00

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/* GTK - The GIMP Toolkit
* gtkrecentchoosermenu.c - Recently used items menu widget
* Copyright (C) 2005, Emmanuele Bassi
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; 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 <gdk/gdkscreen.h>
#include "gtkrecentmanager.h"
#include "gtkrecentfilter.h"
#include "gtkrecentchooser.h"
#include "gtkrecentchooserutils.h"
#include "gtkrecentchooserprivate.h"
#include "gtkrecentchoosermenu.h"
#include "gtkstock.h"
#include "gtkicontheme.h"
#include "gtkiconfactory.h"
#include "gtkintl.h"
#include "gtksettings.h"
#include "gtkmenushell.h"
#include "gtkmenuitem.h"
#include "gtkimagemenuitem.h"
#include "gtkseparatormenuitem.h"
#include "gtkmenu.h"
#include "gtkimage.h"
#include "gtkobject.h"
#include "gtktooltips.h"
#include "gtktypebuiltins.h"
#include "gtkrecentmanager.h"
#include "gtkrecentfilter.h"
#include "gtkrecentchooser.h"
#include "gtkrecentchooserutils.h"
#include "gtkrecentchooserprivate.h"
#include "gtkrecentchoosermenu.h"
#include "gtkalias.h"
struct _GtkRecentChooserMenuPrivate
{
/* the recent manager object */
GtkRecentManager *manager;
/* size of the icons of the menu items */
gint icon_size;
/* RecentChooser properties */
gint limit;
guint show_private : 1;
guint show_not_found : 1;
guint show_tips : 1;
guint show_icons : 1;
guint local_only : 1;
guint show_numbers : 1;
GtkRecentSortType sort_type;
GtkRecentSortFunc sort_func;
gpointer sort_data;
GDestroyNotify sort_data_destroy;
GSList *filters;
GtkRecentFilter *current_filter;
guint local_manager : 1;
gulong manager_changed_id;
/* tooltips for our bookmark items*/
GtkTooltips *tooltips;
};
enum {
PROP_0,
PROP_SHOW_NUMBERS
};
#define FALLBACK_ICON_SIZE 32
#define FALLBACK_ITEM_LIMIT 10
#define GTK_RECENT_CHOOSER_MENU_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_RECENT_CHOOSER_MENU, GtkRecentChooserMenuPrivate))
static void gtk_recent_chooser_menu_finalize (GObject *object);
static GObject *gtk_recent_chooser_menu_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_params);
static void gtk_recent_chooser_iface_init (GtkRecentChooserIface *iface);
static void gtk_recent_chooser_menu_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_recent_chooser_menu_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static gboolean gtk_recent_chooser_menu_set_current_uri (GtkRecentChooser *chooser,
const gchar *uri,
GError **error);
static gchar * gtk_recent_chooser_menu_get_current_uri (GtkRecentChooser *chooser);
static gboolean gtk_recent_chooser_menu_select_uri (GtkRecentChooser *chooser,
const gchar *uri,
GError **error);
static void gtk_recent_chooser_menu_unselect_uri (GtkRecentChooser *chooser,
const gchar *uri);
static void gtk_recent_chooser_menu_select_all (GtkRecentChooser *chooser);
static void gtk_recent_chooser_menu_unselect_all (GtkRecentChooser *chooser);
static GList * gtk_recent_chooser_menu_get_items (GtkRecentChooser *chooser);
static GtkRecentManager *gtk_recent_chooser_menu_get_recent_manager (GtkRecentChooser *chooser);
static void gtk_recent_chooser_menu_set_sort_func (GtkRecentChooser *chooser,
GtkRecentSortFunc sort_func,
gpointer sort_data,
GDestroyNotify data_destroy);
static void gtk_recent_chooser_menu_add_filter (GtkRecentChooser *chooser,
GtkRecentFilter *filter);
static void gtk_recent_chooser_menu_remove_filter (GtkRecentChooser *chooser,
GtkRecentFilter *filter);
static GSList * gtk_recent_chooser_menu_list_filters (GtkRecentChooser *chooser);
static void gtk_recent_chooser_menu_set_current_filter (GtkRecentChooserMenu *menu,
GtkRecentFilter *filter);
static void gtk_recent_chooser_menu_map (GtkWidget *widget);
static void gtk_recent_chooser_menu_set_show_tips (GtkRecentChooserMenu *menu,
gboolean show_tips);
static void set_recent_manager (GtkRecentChooserMenu *menu,
GtkRecentManager *manager);
static void chooser_set_sort_type (GtkRecentChooserMenu *menu,
GtkRecentSortType sort_type);
static gint get_icon_size_for_widget (GtkWidget *widget);
static void item_activate_cb (GtkWidget *widget,
gpointer user_data);
static void manager_changed_cb (GtkRecentManager *manager,
gpointer user_data);
G_DEFINE_TYPE_WITH_CODE (GtkRecentChooserMenu,
gtk_recent_chooser_menu,
GTK_TYPE_MENU,
G_IMPLEMENT_INTERFACE (GTK_TYPE_RECENT_CHOOSER,
gtk_recent_chooser_iface_init))
static void
gtk_recent_chooser_iface_init (GtkRecentChooserIface *iface)
{
iface->set_current_uri = gtk_recent_chooser_menu_set_current_uri;
iface->get_current_uri = gtk_recent_chooser_menu_get_current_uri;
iface->select_uri = gtk_recent_chooser_menu_select_uri;
iface->unselect_uri = gtk_recent_chooser_menu_unselect_uri;
iface->select_all = gtk_recent_chooser_menu_select_all;
iface->unselect_all = gtk_recent_chooser_menu_unselect_all;
iface->get_items = gtk_recent_chooser_menu_get_items;
iface->get_recent_manager = gtk_recent_chooser_menu_get_recent_manager;
iface->set_sort_func = gtk_recent_chooser_menu_set_sort_func;
iface->add_filter = gtk_recent_chooser_menu_add_filter;
iface->remove_filter = gtk_recent_chooser_menu_remove_filter;
iface->list_filters = gtk_recent_chooser_menu_list_filters;
}
static void
gtk_recent_chooser_menu_class_init (GtkRecentChooserMenuClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
gobject_class->constructor = gtk_recent_chooser_menu_constructor;
gobject_class->finalize = gtk_recent_chooser_menu_finalize;
gobject_class->set_property = gtk_recent_chooser_menu_set_property;
gobject_class->get_property = gtk_recent_chooser_menu_get_property;
widget_class->map = gtk_recent_chooser_menu_map;
_gtk_recent_chooser_install_properties (gobject_class);
/**
* GtkRecentChooserMenu:show-numbers
*
* Whether the first ten items in the menu should be prepended by
* a number acting as a unique mnemonic.
*
* Since: 2.10
*/
g_object_class_install_property (gobject_class,
PROP_SHOW_NUMBERS,
g_param_spec_boolean ("show-numbers",
P_("Show Numbers"),
P_("Whether the items should be displayed with a number"),
FALSE,
G_PARAM_READWRITE));
g_type_class_add_private (klass, sizeof (GtkRecentChooserMenuPrivate));
}
static void
gtk_recent_chooser_menu_init (GtkRecentChooserMenu *menu)
{
GtkRecentChooserMenuPrivate *priv;
priv = GTK_RECENT_CHOOSER_MENU_GET_PRIVATE (menu);
menu->priv = priv;
priv->show_icons= TRUE;
priv->show_numbers = FALSE;
priv->show_tips = FALSE;
priv->show_not_found = FALSE;
priv->show_private = FALSE;
priv->local_only = TRUE;
priv->limit = FALLBACK_ITEM_LIMIT;
priv->sort_type = GTK_RECENT_SORT_NONE;
priv->icon_size = FALLBACK_ICON_SIZE;
priv->current_filter = NULL;
priv->tooltips = gtk_tooltips_new ();
g_object_ref_sink (priv->tooltips);
}
static void
gtk_recent_chooser_menu_finalize (GObject *object)
{
GtkRecentChooserMenu *menu = GTK_RECENT_CHOOSER_MENU (object);
GtkRecentChooserMenuPrivate *priv = menu->priv;
g_signal_handler_disconnect (priv->manager, priv->manager_changed_id);
priv->manager_changed_id = 0;
priv->manager = NULL;
if (priv->sort_data_destroy)
{
priv->sort_data_destroy (priv->sort_data);
priv->sort_data_destroy = NULL;
priv->sort_data = NULL;
priv->sort_func = NULL;
}
if (priv->tooltips)
g_object_unref (priv->tooltips);
if (priv->current_filter)
g_object_unref (priv->current_filter);
G_OBJECT_CLASS (gtk_recent_chooser_menu_parent_class)->finalize;
}
static GObject *
gtk_recent_chooser_menu_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_params)
{
GtkRecentChooserMenu *menu;
GObject *object;
object = G_OBJECT_CLASS (gtk_recent_chooser_menu_parent_class)->constructor (type,
n_construct_properties,
construct_params);
menu = GTK_RECENT_CHOOSER_MENU (object);
g_assert (menu->priv->manager);
return object;
}
static void
gtk_recent_chooser_menu_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkRecentChooserMenu *menu = GTK_RECENT_CHOOSER_MENU (object);
switch (prop_id)
{
case PROP_SHOW_NUMBERS:
menu->priv->show_numbers = g_value_get_boolean (value);
break;
case GTK_RECENT_CHOOSER_PROP_RECENT_MANAGER:
set_recent_manager (menu, g_value_get_object (value));
break;
case GTK_RECENT_CHOOSER_PROP_SHOW_PRIVATE:
menu->priv->show_private = g_value_get_boolean (value);
break;
case GTK_RECENT_CHOOSER_PROP_SHOW_NOT_FOUND:
menu->priv->show_not_found = g_value_get_boolean (value);
break;
case GTK_RECENT_CHOOSER_PROP_SHOW_TIPS:
gtk_recent_chooser_menu_set_show_tips (menu, g_value_get_boolean (value));
break;
case GTK_RECENT_CHOOSER_PROP_SHOW_ICONS:
menu->priv->show_icons = g_value_get_boolean (value);
break;
case GTK_RECENT_CHOOSER_PROP_SELECT_MULTIPLE:
g_warning ("%s: RecentChoosers of type `%s' do not support "
"selecting multiple items.",
G_STRFUNC,
G_OBJECT_TYPE_NAME (object));
break;
case GTK_RECENT_CHOOSER_PROP_LOCAL_ONLY:
menu->priv->local_only = g_value_get_boolean (value);
break;
case GTK_RECENT_CHOOSER_PROP_LIMIT:
menu->priv->limit = g_value_get_int (value);
break;
case GTK_RECENT_CHOOSER_PROP_SORT_TYPE:
chooser_set_sort_type (menu, g_value_get_enum (value));
break;
case GTK_RECENT_CHOOSER_PROP_FILTER:
gtk_recent_chooser_menu_set_current_filter (menu, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_recent_chooser_menu_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkRecentChooserMenu *menu = GTK_RECENT_CHOOSER_MENU (object);
switch (prop_id)
{
case PROP_SHOW_NUMBERS:
g_value_set_boolean (value, menu->priv->show_numbers);
break;
case GTK_RECENT_CHOOSER_PROP_SHOW_TIPS:
g_value_set_boolean (value, menu->priv->show_tips);
break;
case GTK_RECENT_CHOOSER_PROP_LIMIT:
g_value_set_int (value, menu->priv->limit);
break;
case GTK_RECENT_CHOOSER_PROP_LOCAL_ONLY:
g_value_set_boolean (value, menu->priv->local_only);
break;
case GTK_RECENT_CHOOSER_PROP_SORT_TYPE:
g_value_set_enum (value, menu->priv->sort_type);
break;
case GTK_RECENT_CHOOSER_PROP_SHOW_PRIVATE:
g_value_set_boolean (value, menu->priv->show_private);
break;
case GTK_RECENT_CHOOSER_PROP_SHOW_NOT_FOUND:
g_value_set_boolean (value, menu->priv->show_not_found);
break;
case GTK_RECENT_CHOOSER_PROP_SHOW_ICONS:
g_value_set_boolean (value, menu->priv->show_icons);
break;
case GTK_RECENT_CHOOSER_PROP_SELECT_MULTIPLE:
g_warning ("%s: Recent Choosers of type `%s' do not support "
"selecting multiple items.",
G_STRFUNC,
G_OBJECT_TYPE_NAME (object));
break;
case GTK_RECENT_CHOOSER_PROP_FILTER:
g_value_set_object (value, menu->priv->current_filter);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gtk_recent_chooser_menu_set_current_uri (GtkRecentChooser *chooser,
const gchar *uri,
GError **error)
{
GtkRecentChooserMenu *menu = GTK_RECENT_CHOOSER_MENU (chooser);
GList *children, *l;
GtkWidget *menu_item = NULL;
gboolean found = FALSE;
children = gtk_container_get_children (GTK_CONTAINER (menu));
for (l = children; l != NULL; l = l->next)
{
GtkRecentInfo *info;
menu_item = GTK_WIDGET (l->data);
info = g_object_get_data (G_OBJECT (menu_item), "gtk-recent-info");
if (!info)
continue;
if (0 == strcmp (uri, gtk_recent_info_get_uri (info)))
found = TRUE;
}
g_list_free (children);
if (!found)
{
g_set_error (error, GTK_RECENT_CHOOSER_ERROR,
GTK_RECENT_CHOOSER_ERROR_NOT_FOUND,
_("No recently used resource found with URI `%s'"),
uri);
return FALSE;
}
else
{
gtk_menu_shell_activate_item (GTK_MENU_SHELL (menu), menu_item, TRUE);
return TRUE;
}
}
static gchar *
gtk_recent_chooser_menu_get_current_uri (GtkRecentChooser *chooser)
{
GtkRecentChooserMenu *menu = GTK_RECENT_CHOOSER_MENU (chooser);
GtkWidget *menu_item;
GtkRecentInfo *info;
menu_item = gtk_menu_get_active (GTK_MENU (menu));
if (!menu_item)
return NULL;
info = g_object_get_data (G_OBJECT (menu_item), "gtk-recent-info");
if (!info)
return NULL;
return g_strdup (gtk_recent_info_get_uri (info));
}
static gboolean
gtk_recent_chooser_menu_select_uri (GtkRecentChooser *chooser,
const gchar *uri,
GError **error)
{
GtkRecentChooserMenu *menu = GTK_RECENT_CHOOSER_MENU (chooser);
GList *children, *l;
GtkWidget *menu_item = NULL;
gboolean found = FALSE;
children = gtk_container_get_children (GTK_CONTAINER (menu));
for (l = children; l != NULL; l = l->next)
{
GtkRecentInfo *info;
menu_item = GTK_WIDGET (l->data);
info = g_object_get_data (G_OBJECT (menu_item), "gtk-recent-info");
if (!info)
continue;
if (0 == strcmp (uri, gtk_recent_info_get_uri (info)))
found = TRUE;
}
g_list_free (children);
if (!found)
{
g_set_error (error, GTK_RECENT_CHOOSER_ERROR,
GTK_RECENT_CHOOSER_ERROR_NOT_FOUND,
_("No recently used resource found with URI `%s'"),
uri);
return FALSE;
}
else
{
gtk_menu_shell_select_item (GTK_MENU_SHELL (menu), menu_item);
return TRUE;
}
}
static void
gtk_recent_chooser_menu_unselect_uri (GtkRecentChooser *chooser,
const gchar *uri)
{
GtkRecentChooserMenu *menu = GTK_RECENT_CHOOSER_MENU (chooser);
gtk_menu_shell_deselect (GTK_MENU_SHELL (menu));
}
static void
gtk_recent_chooser_menu_select_all (GtkRecentChooser *chooser)
{
g_warning (_("This function is not implemented for "
"widgets of class '%s'"),
g_type_name (G_OBJECT_TYPE (chooser)));
}
static void
gtk_recent_chooser_menu_unselect_all (GtkRecentChooser *chooser)
{
g_warning (_("This function is not implemented for "
"widgets of class '%s'."),
g_type_name (G_OBJECT_TYPE (chooser)));
}
static void
gtk_recent_chooser_menu_set_sort_func (GtkRecentChooser *chooser,
GtkRecentSortFunc sort_func,
gpointer sort_data,
GDestroyNotify data_destroy)
{
GtkRecentChooserMenu *menu = GTK_RECENT_CHOOSER_MENU (chooser);
GtkRecentChooserMenuPrivate *priv = menu->priv;
if (priv->sort_data_destroy)
{
priv->sort_data_destroy (priv->sort_data);
priv->sort_func = NULL;
priv->sort_data = NULL;
priv->sort_data_destroy = NULL;
}
if (sort_func)
{
priv->sort_func = sort_func;
priv->sort_data = sort_data;
priv->sort_data_destroy = data_destroy;
}
}
static gint
sort_recent_items_mru (GtkRecentInfo *a,
GtkRecentInfo *b,
gpointer unused)
{
g_assert (a != NULL && b != NULL);
return (gtk_recent_info_get_modified (a) < gtk_recent_info_get_modified (b));
}
static gint
sort_recent_items_lru (GtkRecentInfo *a,
GtkRecentInfo *b,
gpointer unused)
{
g_assert (a != NULL && b != NULL);
return (gtk_recent_info_get_modified (a) > gtk_recent_info_get_modified (b));
}
/* our proxy sorting function */
static gint
sort_recent_items_proxy (gpointer *a,
gpointer *b,
gpointer user_data)
{
GtkRecentInfo *info_a = (GtkRecentInfo *) a;
GtkRecentInfo *info_b = (GtkRecentInfo *) b;
GtkRecentChooserMenu *menu = GTK_RECENT_CHOOSER_MENU (user_data);
if (menu->priv->sort_func)
return (* menu->priv->sort_func) (info_a,
info_b,
menu->priv->sort_data);
/* fallback */
return 0;
}
static void
chooser_set_sort_type (GtkRecentChooserMenu *menu,
GtkRecentSortType sort_type)
{
if (menu->priv->sort_type == sort_type)
return;
menu->priv->sort_type = sort_type;
}
static GList *
gtk_recent_chooser_menu_get_items (GtkRecentChooser *chooser)
{
GtkRecentChooserMenu *menu = GTK_RECENT_CHOOSER_MENU (chooser);
GtkRecentChooserMenuPrivate *priv;
gint limit;
GtkRecentSortType sort_type;
GList *items;
GCompareDataFunc compare_func;
gint length;
priv = menu->priv;
if (!priv->manager)
return NULL;
limit = gtk_recent_chooser_get_limit (chooser);
sort_type = gtk_recent_chooser_get_sort_type (chooser);
switch (sort_type)
{
case GTK_RECENT_SORT_NONE:
compare_func = NULL;
break;
case GTK_RECENT_SORT_MRU:
compare_func = (GCompareDataFunc) sort_recent_items_mru;
break;
case GTK_RECENT_SORT_LRU:
compare_func = (GCompareDataFunc) sort_recent_items_lru;
break;
case GTK_RECENT_SORT_CUSTOM:
compare_func = (GCompareDataFunc) sort_recent_items_proxy;
break;
default:
g_assert_not_reached ();
break;
}
items = gtk_recent_manager_get_items (priv->manager);
if (!items)
return NULL;
if (compare_func)
items = g_list_sort_with_data (items, compare_func, menu);
length = g_list_length (items);
if ((limit != -1) && (length > limit))
{
GList *clamp, *l;
clamp = g_list_nth (items, limit - 1);
l = clamp->next;
clamp->next = NULL;
g_list_foreach (l, (GFunc) gtk_recent_info_unref, NULL);
g_list_free (l);
}
return items;
}
static GtkRecentManager *
gtk_recent_chooser_menu_get_recent_manager (GtkRecentChooser *chooser)
{
GtkRecentChooserMenuPrivate *priv;
priv = GTK_RECENT_CHOOSER_MENU (chooser)->priv;
return priv->manager;
}
static void
gtk_recent_chooser_menu_add_filter (GtkRecentChooser *chooser,
GtkRecentFilter *filter)
{
g_warning (_("This function is not implemented for "
"widgets of class '%s'"),
g_type_name (G_OBJECT_TYPE (chooser)));
}
static void
gtk_recent_chooser_menu_remove_filter (GtkRecentChooser *chooser,
GtkRecentFilter *filter)
{
g_warning (_("This function is not implemented for "
"widgets of class '%s'"),
g_type_name (G_OBJECT_TYPE (chooser)));
}
static GSList *
gtk_recent_chooser_menu_list_filters (GtkRecentChooser *chooser)
{
g_warning (_("This function is not implemented for "
"widgets of class '%s'"),
g_type_name (G_OBJECT_TYPE (chooser)));
return NULL;
}
static void
gtk_recent_chooser_menu_set_current_filter (GtkRecentChooserMenu *menu,
GtkRecentFilter *filter)
{
GtkRecentChooserMenuPrivate *priv;
priv = menu->priv;
if (priv->current_filter)
g_object_unref (G_OBJECT (priv->current_filter));
priv->current_filter = filter;
g_object_ref_sink (priv->current_filter);
g_object_notify (G_OBJECT (menu), "filter");
}
static gboolean
get_is_recent_filtered (GtkRecentChooserMenu *menu,
GtkRecentInfo *info)
{
GtkRecentChooserMenuPrivate *priv;
GtkRecentFilter *current_filter;
GtkRecentFilterInfo filter_info;
GtkRecentFilterFlags needed;
gboolean retval;
g_assert (info != NULL);
priv = menu->priv;
if (!priv->current_filter)
return FALSE;
current_filter = priv->current_filter;
needed = gtk_recent_filter_get_needed (current_filter);
filter_info.contains = GTK_RECENT_FILTER_URI | GTK_RECENT_FILTER_MIME_TYPE;
filter_info.uri = gtk_recent_info_get_uri (info);
filter_info.mime_type = gtk_recent_info_get_mime_type (info);
if (needed & GTK_RECENT_FILTER_DISPLAY_NAME)
{
filter_info.display_name = gtk_recent_info_get_display_name (info);
filter_info.contains |= GTK_RECENT_FILTER_DISPLAY_NAME;
}
else
filter_info.uri = NULL;
if (needed & GTK_RECENT_FILTER_APPLICATION)
{
filter_info.applications = (const gchar **) gtk_recent_info_get_applications (info, NULL);
filter_info.contains |= GTK_RECENT_FILTER_APPLICATION;
}
else
filter_info.applications = NULL;
if (needed & GTK_RECENT_FILTER_GROUP)
{
filter_info.groups = (const gchar **) gtk_recent_info_get_groups (info, NULL);
filter_info.contains |= GTK_RECENT_FILTER_GROUP;
}
else
filter_info.groups = NULL;
if (needed & GTK_RECENT_FILTER_AGE)
{
filter_info.age = gtk_recent_info_get_age (info);
filter_info.contains |= GTK_RECENT_FILTER_AGE;
}
else
filter_info.age = -1;
retval = gtk_recent_filter_filter (current_filter, &filter_info);
/* this we own */
if (filter_info.applications)
g_strfreev ((gchar **) filter_info.applications);
return !retval;
}
/* taken from libeel/eel-strings.c */
static gchar *
escape_underscores (const gchar *string)
{
gint underscores;
const gchar *p;
gchar *q;
gchar *escaped;
if (!string)
return NULL;
underscores = 0;
for (p = string; *p != '\0'; p++)
underscores += (*p == '_');
if (underscores == 0)
return g_strdup (string);
escaped = g_new (char, strlen (string) + underscores + 1);
for (p = string, q = escaped; *p != '\0'; p++, q++)
{
/* Add an extra underscore. */
if (*p == '_')
*q++ = '_';
*q = *p;
}
*q = '\0';
return escaped;
}
static void
gtk_recent_chooser_menu_add_tip (GtkRecentChooserMenu *menu,
GtkRecentInfo *info,
GtkWidget *item)
{
GtkRecentChooserMenuPrivate *priv;
gchar *path, *tip_text;
g_assert (info != NULL);
g_assert (item != NULL);
priv = menu->priv;
if (!priv->tooltips)
return;
path = gtk_recent_info_get_uri_display (info);
tip_text = g_strdup_printf (_("Open '%s'"), path);
gtk_tooltips_set_tip (priv->tooltips,
item,
tip_text,
NULL);
g_free (path);
g_free (tip_text);
}
static GtkWidget *
gtk_recent_chooser_menu_create_item (GtkRecentChooserMenu *menu,
GtkRecentInfo *info,
gint count)
{
GtkRecentChooserMenuPrivate *priv;
gchar *label;
GtkWidget *item, *image;
GdkPixbuf *icon;
g_assert (info != NULL);
priv = menu->priv;
if (priv->show_numbers)
{
gchar *name, *escaped;
name = g_strdup (gtk_recent_info_get_display_name (info));
if (!name)
name = g_strdup (_("Unknown item"));
escaped = escape_underscores (name);
/* avoid clashing mnemonics */
if (count <= 10)
label = g_strdup_printf ("_%d. %s", count, escaped);
else
label = g_strdup_printf ("%d. %s", count, escaped);
item = gtk_image_menu_item_new_with_mnemonic (label);
g_free (escaped);
g_free (name);
}
else
{
label = g_strdup (gtk_recent_info_get_display_name (info));
item = gtk_image_menu_item_new_with_label (label);
}
if (priv->show_icons)
{
icon = gtk_recent_info_get_icon (info, priv->icon_size);
image = gtk_image_new_from_pixbuf (icon);
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
}
if (!gtk_recent_info_exists (info))
{
gtk_widget_set_sensitive (item, FALSE);
goto out;
}
g_signal_connect (item, "activate",
G_CALLBACK (item_activate_cb),
menu);
out:
g_free (label);
return item;
}
/* removes the items we own from the menu */
static void
gtk_recent_chooser_menu_dispose_items (GtkRecentChooserMenu *menu)
{
GList *children, *l;
children = gtk_container_get_children (GTK_CONTAINER (menu));
for (l = children; l != NULL; l = l->next)
{
GtkWidget *menu_item = GTK_WIDGET (l->data);
gint mark = 0;
/* check for our mark, in order to remove just the items we own */
mark = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (menu_item),
"gtk-recent-menu-mark"));
if (mark == 1)
{
GtkRecentInfo *info;
/* destroy the attached RecentInfo struct, if found */
info = g_object_get_data (G_OBJECT (menu_item), "gtk-recent-info");
if (info)
g_object_set_data_full (G_OBJECT (menu_item), "gtk-recent-info",
NULL, NULL);
/* and finally remove the item from the menu */
gtk_container_remove (GTK_CONTAINER (menu), menu_item);
}
}
g_list_free (children);
}
/* GtkWidget::map method override
*
* We override this method in order to populate the menu with our
* menu items linked to the recently used resources.
*/
static void
gtk_recent_chooser_menu_map (GtkWidget *widget)
{
GtkRecentChooserMenu *menu = GTK_RECENT_CHOOSER_MENU (widget);
GtkRecentChooserMenuPrivate *priv = menu->priv;
GList *items, *l;
gint count;
gboolean has_items = FALSE;
if (GTK_WIDGET_CLASS (gtk_recent_chooser_menu_parent_class)->map)
GTK_WIDGET_CLASS (gtk_recent_chooser_menu_parent_class)->map (widget);
priv->icon_size = get_icon_size_for_widget (widget);
/* dispose our menu items first */
gtk_recent_chooser_menu_dispose_items (menu);
items = gtk_recent_chooser_get_items (GTK_RECENT_CHOOSER (menu));
count = g_list_length (items);
items = g_list_reverse (items);
for (l = items; l != NULL; l = l->next)
{
GtkRecentInfo *info = (GtkRecentInfo *) l->data;
GtkWidget *item;
g_assert (info != NULL);
/* skip non-local items on request */
if (priv->local_only && !gtk_recent_info_is_local (info))
continue;
/* skip private items on request */
if (!priv->show_private && gtk_recent_info_get_private_hint (info))
continue;
/* skip non-existing items on request */
if (!priv->show_not_found && !gtk_recent_info_exists (info))
continue;
/* filter items based on the currently set filter object */
if (get_is_recent_filtered (menu, info))
continue;
item = gtk_recent_chooser_menu_create_item (menu, info, count);
if (!item)
continue;
gtk_recent_chooser_menu_add_tip (menu, info, item);
/* FIXME
*
* We should really place our items taking into account user
* defined menu items; this would also remove the need of
* reverting the scan order.
*/
gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
gtk_widget_show (item);
/* mark the menu item as one of our own */
g_object_set_data (G_OBJECT (item), "gtk-recent-menu-mark",
GINT_TO_POINTER (1));
/* attach the RecentInfo object to the menu item, and own a reference
* to it, so that it will be destroyed with the menu item when it's
* not needed anymore.
*/
g_object_set_data_full (G_OBJECT (item), "gtk-recent-info",
gtk_recent_info_ref (info),
(GDestroyNotify) gtk_recent_info_unref);
/* we have at least one item */
if (!has_items)
has_items = TRUE;
}
/* now, the RecentInfo objects are bound to the lifetime of the menu */
if (items)
{
g_list_foreach (items,
(GFunc) gtk_recent_info_unref,
NULL);
g_list_free (items);
}
/* no recently used resources were found, or they were filtered out, so
* we build an item stating that no recently used resources were found
* (as night follows the day...).
*/
if (!has_items)
{
GtkWidget *item;
item = gtk_menu_item_new_with_label ("No items found");
gtk_widget_set_sensitive (item, FALSE);
/* we also mark this item, so that it gets removed when rebuilding
* the menu on the next map event
*/
g_object_set_data (G_OBJECT (item), "gtk-recent-menu-mark",
GINT_TO_POINTER (1));
gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
gtk_widget_show (item);
}
}
/* bounce activate signal from the recent menu item widget
* to the recent menu widget
*/
static void
item_activate_cb (GtkWidget *widget,
gpointer user_data)
{
GtkRecentChooser *chooser = GTK_RECENT_CHOOSER (user_data);
_gtk_recent_chooser_item_activated (chooser);
}
/* we force a redraw if the manager changes when we are showing */
static void
manager_changed_cb (GtkRecentManager *manager,
gpointer user_data)
{
gtk_widget_queue_draw (GTK_WIDGET (user_data));
}
static void
set_recent_manager (GtkRecentChooserMenu *menu,
GtkRecentManager *manager)
{
if (menu->priv->manager)
g_signal_handler_disconnect (menu, menu->priv->manager_changed_id);
menu->priv->manager = NULL;
if (manager)
menu->priv->manager = manager;
else
menu->priv->manager = gtk_recent_manager_get_default ();
if (menu->priv->manager)
menu->priv->manager_changed_id = g_signal_connect (menu->priv->manager, "changed",
G_CALLBACK (manager_changed_cb),
menu);
}
static gint
get_icon_size_for_widget (GtkWidget *widget)
{
GtkSettings *settings;
gint width, height;
if (gtk_widget_has_screen (widget))
settings = gtk_settings_get_for_screen (gtk_widget_get_screen (widget));
else
settings = gtk_settings_get_default ();
if (gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_MENU,
&width, &height))
return MAX (width, height);
return FALLBACK_ICON_SIZE;
}
static void
gtk_recent_chooser_menu_set_show_tips (GtkRecentChooserMenu *menu,
gboolean show_tips)
{
if (menu->priv->show_tips == show_tips)
return;
g_assert (menu->priv->tooltips != NULL);
if (show_tips)
gtk_tooltips_enable (menu->priv->tooltips);
else
gtk_tooltips_disable (menu->priv->tooltips);
menu->priv->show_tips = show_tips;
}
/*
* Public API
*/
/**
* gtk_recent_chooser_menu_new:
*
* Creates a new #GtkRecentChooserMenu widget.
*
* This kind of widget shows the list of recently used resources as
* a menu, each item as a menu item. Each item inside the menu might
* have an icon, representing its MIME type, and a number, for mnemonic
* access.
*
* This widget implements the #GtkRecentChooser interface.
*
* This widget creates its own #GtkRecentManager object. See the
* gtk_recent_chooser_menu_new_for_manager() function to know how to create
* a #GtkRecentChooserMenu widget bound to another #GtkRecentManager object.
*
* Return value: a new #GtkRecentChooserMenu
*
* Since: 2.10
*/
GtkWidget *
gtk_recent_chooser_menu_new (void)
{
return g_object_new (GTK_TYPE_RECENT_CHOOSER_MENU,
"recent-manager", NULL,
NULL);
}
/**
* gtk_recent_chooser_menu_new_for_manager:
* @manager: a #GtkRecentManager
*
* Creates a new #GtkRecentChooserMenu widget using @manager as
* the underlying recently used resources manager.
*
* This is useful if you have implemented your own recent manager,
* or if you have a customized instance of a #GtkRecentManager
* object or if you wish to share a common #GtkRecentManager object
* among multiple #GtkRecentChooser widgets.
*
* Return value: a new #GtkRecentChooserMenu, bound to @manager.
*
* Since: 2.10
*/
GtkWidget *
gtk_recent_chooser_menu_new_for_manager (GtkRecentManager *manager)
{
g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), NULL);
return g_object_new (GTK_TYPE_RECENT_CHOOSER_MENU,
"recent-manager", manager,
NULL);
}
/**
* gtk_recent_chooser_menu_get_show_numbers:
* @menu: a #GtkRecentChooserMenu
*
* Returns the value set by gtk_recent_chooser_menu_set_show_numbers().
*
* Return value: %TRUE if numbers should be shown.
*
* Since: 2.10
*/
gboolean
gtk_recent_chooser_menu_get_show_numbers (GtkRecentChooserMenu *menu)
{
g_return_val_if_fail (GTK_IS_RECENT_CHOOSER_MENU (menu), FALSE);
return menu->priv->show_numbers;
}
/**
* gtk_recent_chooser_menu_set_show_numbers:
* @menu: a #GtkRecentChooserMenu
* @show_numbers: whether to show numbers
*
* Sets whether a number should be added to the items of @menu. The
* numbers are shown to provide a unique character for a mnemonic to
* be used inside the menu item's label. Only the first the items
* get a number to avoid clashes.
*
* Since: 2.10
*/
void
gtk_recent_chooser_menu_set_show_numbers (GtkRecentChooserMenu *menu,
gboolean show_numbers)
{
g_return_if_fail (GTK_IS_RECENT_CHOOSER_MENU (menu));
if (menu->priv->show_numbers == show_numbers)
return;
menu->priv->show_numbers = show_numbers;
g_object_notify (G_OBJECT (menu), "show-numbers");
}
#define __GTK_RECENT_CHOOSER_MENU_C__
#include "gtkaliasdef.c"
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