gtkrecentchooserdefault.c 57.9 KB
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/* GTK - The GIMP Toolkit
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 * gtkrecentchooserdefault.c
 * Copyright (C) 2005-2006, 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 <time.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#include "gtkstock.h"
#include "gtkicontheme.h"
#include "gtkiconfactory.h"
#include "gtksettings.h"
#include "gtktreeview.h"
#include "gtkliststore.h"
#include "gtkbutton.h"
#include "gtkcelllayout.h"
#include "gtkcellrendererpixbuf.h"
#include "gtkcellrenderertext.h"
#include "gtkcheckmenuitem.h"
#include "gtkclipboard.h"
#include "gtkcombobox.h"
#include "gtkentry.h"
#include "gtkeventbox.h"
#include "gtkexpander.h"
#include "gtkframe.h"
#include "gtkhbox.h"
#include "gtkhpaned.h"
#include "gtkimage.h"
#include "gtkimagemenuitem.h"
#include "gtkintl.h"
#include "gtklabel.h"
#include "gtkmenuitem.h"
#include "gtkmessagedialog.h"
#include "gtkscrolledwindow.h"
#include "gtkseparatormenuitem.h"
#include "gtksizegroup.h"
#include "gtktable.h"
#include "gtktreemodelsort.h"
#include "gtktreemodelfilter.h"
#include "gtktreeselection.h"
#include "gtktreestore.h"
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#include "gtktooltip.h"
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#include "gtktypebuiltins.h"
#include "gtkvbox.h"
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#include "gtkactivatable.h"
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#include "gtkrecentmanager.h"
#include "gtkrecentfilter.h"
#include "gtkrecentchooser.h"
#include "gtkrecentchooserprivate.h"
#include "gtkrecentchooserutils.h"
#include "gtkrecentchooserdefault.h"

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#include "gtkprivate.h"
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enum 
{
  PROP_0,

  /* activatable properties */
  PROP_ACTIVATABLE_RELATED_ACTION,
  PROP_ACTIVATABLE_USE_ACTION_APPEARANCE
};

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struct _GtkRecentChooserDefault
{
  GtkVBox parent_instance;
  
  GtkRecentManager *manager;
  gulong manager_changed_id;
  guint local_manager : 1;
  
  gint icon_size;

  /* RecentChooser properties */
  gint limit;  
  GtkRecentSortType sort_type;
  guint show_private : 1;
  guint show_not_found : 1;
  guint select_multiple : 1;
  guint show_tips : 1;
  guint show_icons : 1;
  guint local_only : 1;
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  guint limit_set : 1;
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  GSList *filters;
  GtkRecentFilter *current_filter;
  GtkWidget *filter_combo_hbox;
  GtkWidget *filter_combo;
  
  GtkRecentSortFunc sort_func;
  gpointer sort_data;
  GDestroyNotify sort_data_destroy;

  GtkIconTheme *icon_theme;
  
  GtkWidget *recent_view;
  GtkListStore *recent_store;
  GtkTreeViewColumn *icon_column;
  GtkTreeViewColumn *meta_column;
  GtkCellRenderer *meta_renderer;
  GtkTreeSelection *selection;
  
  GtkWidget *recent_popup_menu;
  GtkWidget *recent_popup_menu_copy_item;
  GtkWidget *recent_popup_menu_remove_item;
  GtkWidget *recent_popup_menu_clear_item;
  GtkWidget *recent_popup_menu_show_private_item;
 
  guint load_id;
  GList *recent_items;
  gint n_recent_items;
  gint loaded_items;
  guint load_state;
};

typedef struct _GtkRecentChooserDefaultClass
{
  GtkVBoxClass parent_class;
} GtkRecentChooserDefaultClass;

enum {
  RECENT_URI_COLUMN,
  RECENT_DISPLAY_NAME_COLUMN,
  RECENT_INFO_COLUMN,
    
  N_RECENT_COLUMNS
};

enum {
  LOAD_EMPTY,    /* initial state: the model is empty */
  LOAD_PRELOAD,  /* the model is loading and not inserted in the tree yet */
  LOAD_LOADING,  /* the model is fully loaded but not inserted */
  LOAD_FINISHED  /* the model is fully loaded and inserted */
};

/* Icon size for if we can't get it from the theme */
#define FALLBACK_ICON_SIZE  48
#define FALLBACK_ITEM_LIMIT 20

#define NUM_CHARS 40
#define NUM_LINES 9



/* GObject */
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static void     _gtk_recent_chooser_default_class_init  (GtkRecentChooserDefaultClass *klass);
static void     _gtk_recent_chooser_default_init        (GtkRecentChooserDefault      *impl);
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static GObject *gtk_recent_chooser_default_constructor  (GType                         type,
						         guint                         n_construct_prop,
						         GObjectConstructParam        *construct_params);
static void     gtk_recent_chooser_default_finalize     (GObject                      *object);
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static void     gtk_recent_chooser_default_dispose      (GObject                      *object);
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static void     gtk_recent_chooser_default_set_property (GObject                      *object,
						         guint                         prop_id,
						         const GValue                 *value,
						         GParamSpec                   *pspec);
static void     gtk_recent_chooser_default_get_property (GObject                      *object,
						         guint                         prop_id,
						         GValue                       *value,
						         GParamSpec                   *pspec);

/* GtkRecentChooserIface */
static void              gtk_recent_chooser_iface_init                 (GtkRecentChooserIface  *iface);
static gboolean          gtk_recent_chooser_default_set_current_uri    (GtkRecentChooser       *chooser,
								        const gchar            *uri,
								        GError                **error);
static gchar *           gtk_recent_chooser_default_get_current_uri    (GtkRecentChooser       *chooser);
static gboolean          gtk_recent_chooser_default_select_uri         (GtkRecentChooser       *chooser,
								        const gchar            *uri,
								        GError                **error);
static void              gtk_recent_chooser_default_unselect_uri       (GtkRecentChooser       *chooser,
								        const gchar            *uri);
static void              gtk_recent_chooser_default_select_all         (GtkRecentChooser       *chooser);
static void              gtk_recent_chooser_default_unselect_all       (GtkRecentChooser       *chooser);
static GList *           gtk_recent_chooser_default_get_items          (GtkRecentChooser       *chooser);
static GtkRecentManager *gtk_recent_chooser_default_get_recent_manager (GtkRecentChooser       *chooser);
static void              gtk_recent_chooser_default_set_sort_func      (GtkRecentChooser       *chooser,
									GtkRecentSortFunc       sort_func,
									gpointer                sort_data,
									GDestroyNotify          data_destroy);
static void              gtk_recent_chooser_default_add_filter         (GtkRecentChooser       *chooser,
								        GtkRecentFilter        *filter);
static void              gtk_recent_chooser_default_remove_filter      (GtkRecentChooser       *chooser,
								        GtkRecentFilter        *filter);
static GSList *          gtk_recent_chooser_default_list_filters       (GtkRecentChooser       *chooser);


static void gtk_recent_chooser_default_map      (GtkWidget *widget);
static void gtk_recent_chooser_default_show_all (GtkWidget *widget);

static void set_current_filter        (GtkRecentChooserDefault *impl,
				       GtkRecentFilter         *filter);

static GtkIconTheme *get_icon_theme_for_widget (GtkWidget   *widget);
static gint          get_icon_size_for_widget  (GtkWidget   *widget,
						GtkIconSize  icon_size);
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static gint          get_recent_files_limit    (GtkWidget   *widget);
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static void reload_recent_items (GtkRecentChooserDefault *impl);
static void chooser_set_model   (GtkRecentChooserDefault *impl);

static void set_recent_manager (GtkRecentChooserDefault *impl,
				GtkRecentManager        *manager);

static void chooser_set_sort_type (GtkRecentChooserDefault *impl,
				   GtkRecentSortType        sort_type);

static void recent_manager_changed_cb (GtkRecentManager  *manager,
			               gpointer           user_data);
static void recent_icon_data_func     (GtkTreeViewColumn *tree_column,
				       GtkCellRenderer   *cell,
				       GtkTreeModel      *model,
				       GtkTreeIter       *iter,
				       gpointer           user_data);
static void recent_meta_data_func     (GtkTreeViewColumn *tree_column,
				       GtkCellRenderer   *cell,
				       GtkTreeModel      *model,
				       GtkTreeIter       *iter,
				       gpointer           user_data);

static void selection_changed_cb      (GtkTreeSelection  *z,
				       gpointer           user_data);
static void row_activated_cb          (GtkTreeView       *tree_view,
				       GtkTreePath       *tree_path,
				       GtkTreeViewColumn *tree_column,
				       gpointer           user_data);
static void filter_combo_changed_cb   (GtkComboBox       *combo_box,
				       gpointer           user_data);

static void remove_all_activated_cb   (GtkMenuItem       *menu_item,
				       gpointer           user_data);
static void remove_item_activated_cb  (GtkMenuItem       *menu_item,
				       gpointer           user_data);
static void show_private_toggled_cb   (GtkCheckMenuItem  *menu_item,
				       gpointer           user_data);

static gboolean recent_view_popup_menu_cb   (GtkWidget      *widget,
					     gpointer        user_data);
static gboolean recent_view_button_press_cb (GtkWidget      *widget,
					     GdkEventButton *event,
					     gpointer        user_data);

static void     recent_view_drag_begin_cb         (GtkWidget        *widget,
						   GdkDragContext   *context,
						   gpointer          user_data);
static void     recent_view_drag_data_get_cb      (GtkWidget        *widget,
						   GdkDragContext   *context,
						   GtkSelectionData *selection_data,
						   guint             info,
						   guint32           time_,
						   gpointer          data);
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static gboolean recent_view_query_tooltip_cb      (GtkWidget        *widget,
                                                   gint              x,
                                                   gint              y,
                                                   gboolean          keyboard_tip,
                                                   GtkTooltip       *tooltip,
                                                   gpointer          user_data);

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static void gtk_recent_chooser_activatable_iface_init (GtkActivatableIface  *iface);
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static void gtk_recent_chooser_update                 (GtkActivatable       *activatable,
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						       GtkAction            *action,
						       const gchar          *property_name);
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static void gtk_recent_chooser_sync_action_properties (GtkActivatable       *activatable,
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						       GtkAction            *action);
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G_DEFINE_TYPE_WITH_CODE (GtkRecentChooserDefault,
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			 _gtk_recent_chooser_default,
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			 GTK_TYPE_VBOX,
			 G_IMPLEMENT_INTERFACE (GTK_TYPE_RECENT_CHOOSER,
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				 		gtk_recent_chooser_iface_init)
			 G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTIVATABLE,
				 		gtk_recent_chooser_activatable_iface_init))
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static void
gtk_recent_chooser_iface_init (GtkRecentChooserIface *iface)
{
  iface->set_current_uri = gtk_recent_chooser_default_set_current_uri;
  iface->get_current_uri = gtk_recent_chooser_default_get_current_uri;
  iface->select_uri = gtk_recent_chooser_default_select_uri;
  iface->unselect_uri = gtk_recent_chooser_default_unselect_uri;
  iface->select_all = gtk_recent_chooser_default_select_all;
  iface->unselect_all = gtk_recent_chooser_default_unselect_all;
  iface->get_items = gtk_recent_chooser_default_get_items;
  iface->get_recent_manager = gtk_recent_chooser_default_get_recent_manager;
  iface->set_sort_func = gtk_recent_chooser_default_set_sort_func;
  iface->add_filter = gtk_recent_chooser_default_add_filter;
  iface->remove_filter = gtk_recent_chooser_default_remove_filter;
  iface->list_filters = gtk_recent_chooser_default_list_filters;
}

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static void
gtk_recent_chooser_activatable_iface_init (GtkActivatableIface *iface)
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{
  iface->update = gtk_recent_chooser_update;
  iface->sync_action_properties = gtk_recent_chooser_sync_action_properties;
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}

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static void
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_gtk_recent_chooser_default_class_init (GtkRecentChooserDefaultClass *klass)
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{
  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);

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  gobject_class->constructor = gtk_recent_chooser_default_constructor;
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  gobject_class->set_property = gtk_recent_chooser_default_set_property;
  gobject_class->get_property = gtk_recent_chooser_default_get_property;
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  gobject_class->dispose = gtk_recent_chooser_default_dispose;
  gobject_class->finalize = gtk_recent_chooser_default_finalize;
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  widget_class->map = gtk_recent_chooser_default_map;
  widget_class->show_all = gtk_recent_chooser_default_show_all;
  
  _gtk_recent_chooser_install_properties (gobject_class);
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  g_object_class_override_property (gobject_class, PROP_ACTIVATABLE_RELATED_ACTION, "related-action");
  g_object_class_override_property (gobject_class, PROP_ACTIVATABLE_USE_ACTION_APPEARANCE, "use-action-appearance");
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}

static void
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_gtk_recent_chooser_default_init (GtkRecentChooserDefault *impl)
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{
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  gtk_box_set_spacing (GTK_BOX (impl), 6);
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  /* by default, we use the global manager */
  impl->local_manager = FALSE;
  
  impl->limit = FALLBACK_ITEM_LIMIT;
  impl->sort_type = GTK_RECENT_SORT_NONE;

  impl->show_icons = TRUE;
  impl->show_private = FALSE;
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  impl->show_not_found = TRUE;
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  impl->show_tips = FALSE;
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  impl->select_multiple = FALSE;
  impl->local_only = TRUE;
  
  impl->icon_size = FALLBACK_ICON_SIZE;
  impl->icon_theme = NULL;
  
  impl->current_filter = NULL;

  impl->recent_items = NULL;
  impl->n_recent_items = 0;
  impl->loaded_items = 0;
  
  impl->load_state = LOAD_EMPTY;
}

static GObject *
gtk_recent_chooser_default_constructor (GType                  type,
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				        guint                  n_params,
				        GObjectConstructParam *params)
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{
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  GObjectClass *parent_class;
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  GtkRecentChooserDefault *impl;
  GObject *object;
  GtkWidget *scrollw;
  GtkCellRenderer *renderer;

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  parent_class = G_OBJECT_CLASS (_gtk_recent_chooser_default_parent_class);
  object = parent_class->constructor (type, n_params, params);
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  impl = GTK_RECENT_CHOOSER_DEFAULT (object);
  
  g_assert (impl->manager);
  
  gtk_widget_push_composite_child ();
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  impl->limit = get_recent_files_limit (GTK_WIDGET (impl));
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  scrollw = gtk_scrolled_window_new (NULL, NULL);
  gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrollw),
  				       GTK_SHADOW_IN);
  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrollw),
  				  GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
  gtk_box_pack_start (GTK_BOX (impl), scrollw, TRUE, TRUE, 0);
  gtk_widget_show (scrollw);
  
  impl->recent_view = gtk_tree_view_new ();
  gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (impl->recent_view), FALSE);
  g_signal_connect (impl->recent_view, "row-activated",
                    G_CALLBACK (row_activated_cb), impl);
  g_signal_connect (impl->recent_view, "popup-menu",
  		    G_CALLBACK (recent_view_popup_menu_cb), impl);
  g_signal_connect (impl->recent_view, "button-press-event",
  		    G_CALLBACK (recent_view_button_press_cb), impl);
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  g_signal_connect (impl->recent_view, "drag-begin",
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		    G_CALLBACK (recent_view_drag_begin_cb), impl);
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  g_signal_connect (impl->recent_view, "drag-data-get",
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		    G_CALLBACK (recent_view_drag_data_get_cb), impl);

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  g_object_set (impl->recent_view, "has-tooltip", TRUE, NULL);
  g_signal_connect (impl->recent_view, "query-tooltip",
                    G_CALLBACK (recent_view_query_tooltip_cb), impl);

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  g_object_set_data (G_OBJECT (impl->recent_view),
                     "GtkRecentChooserDefault", impl);
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  gtk_container_add (GTK_CONTAINER (scrollw), impl->recent_view);
  gtk_widget_show (impl->recent_view);
  
  impl->icon_column = gtk_tree_view_column_new ();
  gtk_tree_view_column_set_expand (impl->icon_column, FALSE);
  gtk_tree_view_column_set_resizable (impl->icon_column, FALSE);
  
  renderer = gtk_cell_renderer_pixbuf_new ();
  gtk_tree_view_column_pack_start (impl->icon_column, renderer, FALSE);
  gtk_tree_view_column_set_cell_data_func (impl->icon_column,
  					   renderer,
  					   recent_icon_data_func,
  					   impl,
  					   NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (impl->recent_view),
                               impl->icon_column);
  
  impl->meta_column = gtk_tree_view_column_new ();
  gtk_tree_view_column_set_expand (impl->meta_column, TRUE);
  gtk_tree_view_column_set_resizable (impl->meta_column, FALSE);
  
  impl->meta_renderer = gtk_cell_renderer_text_new ();
  g_object_set (G_OBJECT (impl->meta_renderer),
                "ellipsize", PANGO_ELLIPSIZE_END,
                NULL);
  gtk_tree_view_column_pack_start (impl->meta_column, impl->meta_renderer, TRUE);
  gtk_tree_view_column_set_cell_data_func (impl->meta_column,
  					   impl->meta_renderer,
  					   recent_meta_data_func,
  					   impl,
  					   NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (impl->recent_view),
                               impl->meta_column);
  
  impl->selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (impl->recent_view));
  gtk_tree_selection_set_mode (impl->selection, GTK_SELECTION_SINGLE);
  g_signal_connect (impl->selection, "changed", G_CALLBACK (selection_changed_cb), impl);

  /* drag and drop */
  gtk_drag_source_set (impl->recent_view,
		       GDK_BUTTON1_MASK,
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		       NULL, 0,
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		       GDK_ACTION_COPY);
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  gtk_drag_source_add_uri_targets (impl->recent_view);
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  impl->filter_combo_hbox = gtk_hbox_new (FALSE, 12);
  
  impl->filter_combo = gtk_combo_box_new_text ();
  gtk_combo_box_set_focus_on_click (GTK_COMBO_BOX (impl->filter_combo), FALSE);
  g_signal_connect (impl->filter_combo, "changed",
                    G_CALLBACK (filter_combo_changed_cb), impl);
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  gtk_widget_set_tooltip_text (impl->filter_combo,
		               _("Select which type of documents are shown"));
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  gtk_box_pack_end (GTK_BOX (impl->filter_combo_hbox),
                    impl->filter_combo,
                    FALSE, FALSE, 0);
  gtk_widget_show (impl->filter_combo);
  
  gtk_box_pack_end (GTK_BOX (impl), impl->filter_combo_hbox, FALSE, FALSE, 0);
  
  gtk_widget_pop_composite_child ();
  
  impl->recent_store = gtk_list_store_new (N_RECENT_COLUMNS,
  					   G_TYPE_STRING,       /* uri */
  					   G_TYPE_STRING,       /* display_name */
  					   GTK_TYPE_RECENT_INFO /* info */);
  
  return object;
}

static void
gtk_recent_chooser_default_set_property (GObject      *object,
				         guint         prop_id,
					 const GValue *value,
					 GParamSpec   *pspec)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (object);
  
  switch (prop_id)
    {
    case GTK_RECENT_CHOOSER_PROP_RECENT_MANAGER:
      set_recent_manager (impl, g_value_get_object (value));
      break;
    case GTK_RECENT_CHOOSER_PROP_SHOW_PRIVATE:
      impl->show_private = g_value_get_boolean (value);
      if (impl->recent_popup_menu_show_private_item)
	{
          GtkCheckMenuItem *item = GTK_CHECK_MENU_ITEM (impl->recent_popup_menu_show_private_item);
	  g_signal_handlers_block_by_func (item, G_CALLBACK (show_private_toggled_cb), impl);
          gtk_check_menu_item_set_active (item, impl->show_private);
	  g_signal_handlers_unblock_by_func (item, G_CALLBACK (show_private_toggled_cb), impl);
        }
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      reload_recent_items (impl);
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      break;
    case GTK_RECENT_CHOOSER_PROP_SHOW_NOT_FOUND:
      impl->show_not_found = g_value_get_boolean (value);
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      reload_recent_items (impl);
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      break;
    case GTK_RECENT_CHOOSER_PROP_SHOW_TIPS:
      impl->show_tips = g_value_get_boolean (value);
      break;
    case GTK_RECENT_CHOOSER_PROP_SHOW_ICONS:
      impl->show_icons = g_value_get_boolean (value);
      gtk_tree_view_column_set_visible (impl->icon_column, impl->show_icons);
      break;
    case GTK_RECENT_CHOOSER_PROP_SELECT_MULTIPLE:
      impl->select_multiple = g_value_get_boolean (value);
      
      if (impl->select_multiple)
        gtk_tree_selection_set_mode (impl->selection, GTK_SELECTION_MULTIPLE);
      else
        gtk_tree_selection_set_mode (impl->selection, GTK_SELECTION_SINGLE);
      break;
    case GTK_RECENT_CHOOSER_PROP_LOCAL_ONLY:
      impl->local_only = g_value_get_boolean (value);
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      reload_recent_items (impl);
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      break;
    case GTK_RECENT_CHOOSER_PROP_LIMIT:
      impl->limit = g_value_get_int (value);
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      impl->limit_set = TRUE;
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      reload_recent_items (impl);
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      break;
    case GTK_RECENT_CHOOSER_PROP_SORT_TYPE:
      chooser_set_sort_type (impl, g_value_get_enum (value));
      break;
    case GTK_RECENT_CHOOSER_PROP_FILTER:
      set_current_filter (impl, g_value_get_object (value));
      break;
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    case PROP_ACTIVATABLE_RELATED_ACTION:
      _gtk_recent_chooser_set_related_action (GTK_RECENT_CHOOSER (impl), g_value_get_object (value));
      break;
    case PROP_ACTIVATABLE_USE_ACTION_APPEARANCE: 
      _gtk_recent_chooser_set_use_action_appearance (GTK_RECENT_CHOOSER (impl), g_value_get_boolean (value));
      break;
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    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
    }
}

static void
gtk_recent_chooser_default_get_property (GObject    *object,
					 guint       prop_id,
					 GValue     *value,
					 GParamSpec *pspec)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (object);
  
  switch (prop_id)
    {
    case GTK_RECENT_CHOOSER_PROP_LIMIT:
      g_value_set_int (value, impl->limit);
      break;
    case GTK_RECENT_CHOOSER_PROP_SORT_TYPE:
      g_value_set_enum (value, impl->sort_type);
      break;
    case GTK_RECENT_CHOOSER_PROP_SHOW_PRIVATE:
      g_value_set_boolean (value, impl->show_private);
      break;
    case GTK_RECENT_CHOOSER_PROP_SHOW_ICONS:
      g_value_set_boolean (value, impl->show_icons);
      break;
    case GTK_RECENT_CHOOSER_PROP_SHOW_NOT_FOUND:
      g_value_set_boolean (value, impl->show_not_found);
      break;
    case GTK_RECENT_CHOOSER_PROP_SHOW_TIPS:
      g_value_set_boolean (value, impl->show_tips);
      break;
    case GTK_RECENT_CHOOSER_PROP_LOCAL_ONLY:
      g_value_set_boolean (value, impl->local_only);
      break;
    case GTK_RECENT_CHOOSER_PROP_SELECT_MULTIPLE:
      g_value_set_boolean (value, impl->select_multiple);
      break;
    case GTK_RECENT_CHOOSER_PROP_FILTER:
      g_value_set_object (value, impl->current_filter);
      break;
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    case PROP_ACTIVATABLE_RELATED_ACTION:
      g_value_set_object (value, _gtk_recent_chooser_get_related_action (GTK_RECENT_CHOOSER (impl)));
      break;
    case PROP_ACTIVATABLE_USE_ACTION_APPEARANCE: 
      g_value_set_boolean (value, _gtk_recent_chooser_get_use_action_appearance (GTK_RECENT_CHOOSER (impl)));
      break;
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    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
    }
}

static void
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gtk_recent_chooser_default_dispose (GObject *object)
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{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (object);

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  if (impl->load_id)
    {
      g_source_remove (impl->load_id);
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      impl->load_state = LOAD_EMPTY;
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      impl->load_id = 0;
    }

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  if (impl->recent_items)
    {
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      g_list_foreach (impl->recent_items, (GFunc) gtk_recent_info_unref, NULL);
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      g_list_free (impl->recent_items);
      impl->recent_items = NULL;
    }

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  if (impl->manager && impl->manager_changed_id)
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    {
      g_signal_handler_disconnect (impl->manager, impl->manager_changed_id);
      impl->manager_changed_id = 0;
    }

  if (impl->filters)
    {
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      g_slist_foreach (impl->filters, (GFunc) g_object_unref, NULL);
      g_slist_free (impl->filters);
      impl->filters = NULL;
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    }
  
  if (impl->current_filter)
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    {
      g_object_unref (impl->current_filter);
      impl->current_filter = NULL;
    }
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  if (impl->recent_store)
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    {
      g_object_unref (impl->recent_store);
      impl->recent_store = NULL;
    }
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  G_OBJECT_CLASS (_gtk_recent_chooser_default_parent_class)->dispose (object);
}

static void
gtk_recent_chooser_default_finalize (GObject *object)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (object);

  impl->manager = NULL; 
  
  if (impl->sort_data_destroy)
    {
      impl->sort_data_destroy (impl->sort_data);
      impl->sort_data_destroy = NULL;
    }
  
  impl->sort_data = NULL;
  impl->sort_func = NULL;
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  G_OBJECT_CLASS (_gtk_recent_chooser_default_parent_class)->finalize (object);
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}

/* override GtkWidget::show_all since we have internal widgets we wish to keep
 * hidden unless we decide otherwise, like the filter combo box.
 */
static void
gtk_recent_chooser_default_show_all (GtkWidget *widget)
{
  gtk_widget_show (widget);
}



/* Shows an error dialog set as transient for the specified window */
static void
error_message_with_parent (GtkWindow   *parent,
			   const gchar *msg,
			   const gchar *detail)
{
  GtkWidget *dialog;

  dialog = gtk_message_dialog_new (parent,
				   GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
				   GTK_MESSAGE_ERROR,
				   GTK_BUTTONS_OK,
				   "%s",
				   msg);
  gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
					    "%s", detail);

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  if (gtk_window_has_group (parent))
    gtk_window_group_add_window (gtk_window_get_group (parent),
                                 GTK_WINDOW (dialog));
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  gtk_dialog_run (GTK_DIALOG (dialog));
  gtk_widget_destroy (dialog);
}

/* Returns a toplevel GtkWindow, or NULL if none */
static GtkWindow *
get_toplevel (GtkWidget *widget)
{
  GtkWidget *toplevel;

  toplevel = gtk_widget_get_toplevel (widget);
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  if (!gtk_widget_is_toplevel (toplevel))
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    return NULL;
  else
    return GTK_WINDOW (toplevel);
}

/* Shows an error dialog for the file chooser */
static void
error_message (GtkRecentChooserDefault *impl,
	       const gchar             *msg,
	       const gchar             *detail)
{
  error_message_with_parent (get_toplevel (GTK_WIDGET (impl)), msg, detail);
}

static void
set_busy_cursor (GtkRecentChooserDefault *impl,
		 gboolean                 show_busy_cursor)
{
  GtkWindow *toplevel;
  GdkDisplay *display;
  GdkCursor *cursor;

  toplevel = get_toplevel (GTK_WIDGET (impl));
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  if (!toplevel || !gtk_widget_get_realized (GTK_WIDGET (toplevel)))
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    return;
  
  display = gtk_widget_get_display (GTK_WIDGET (toplevel));
  
  cursor = NULL;
  if (show_busy_cursor)
    cursor = gdk_cursor_new_for_display (display, GDK_WATCH);

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  gdk_window_set_cursor (gtk_widget_get_window (GTK_WIDGET (toplevel)),
                         cursor);
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  gdk_display_flush (display);

  if (cursor)
    gdk_cursor_unref (cursor);
}

static void
chooser_set_model (GtkRecentChooserDefault *impl)
{
  g_assert (impl->recent_store != NULL);
  g_assert (impl->load_state == LOAD_LOADING);
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  gtk_tree_view_set_model (GTK_TREE_VIEW (impl->recent_view),
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                           GTK_TREE_MODEL (impl->recent_store));
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  gtk_tree_view_columns_autosize (GTK_TREE_VIEW (impl->recent_view));
  gtk_tree_view_set_enable_search (GTK_TREE_VIEW (impl->recent_view), TRUE);
  gtk_tree_view_set_search_column (GTK_TREE_VIEW (impl->recent_view),
  				   RECENT_DISPLAY_NAME_COLUMN);

  impl->load_state = LOAD_FINISHED;
}

static gboolean
load_recent_items (gpointer user_data)
{
  GtkRecentChooserDefault *impl;
  GtkRecentInfo *info;
  GtkTreeIter iter;
  const gchar *uri, *name;
  gboolean retval;
  
  impl = GTK_RECENT_CHOOSER_DEFAULT (user_data);
  
  g_assert ((impl->load_state == LOAD_EMPTY) ||
            (impl->load_state == LOAD_PRELOAD));
  
  /* store the items for multiple runs */
  if (!impl->recent_items)
    {
      impl->recent_items = gtk_recent_chooser_get_items (GTK_RECENT_CHOOSER (impl));
      if (!impl->recent_items)
        {
	  impl->load_state = LOAD_FINISHED;
          
          return FALSE;
        }
        
      impl->n_recent_items = g_list_length (impl->recent_items);
      impl->loaded_items = 0;
      impl->load_state = LOAD_PRELOAD;
    }
  
  info = (GtkRecentInfo *) g_list_nth_data (impl->recent_items,
                                            impl->loaded_items);
  g_assert (info);

  uri = gtk_recent_info_get_uri (info);
  name = gtk_recent_info_get_display_name (info);
  
  /* at this point, everything goes inside the model; operations on the
   * visualization of items inside the model are done in the cell data
   * funcs (remember that there are two of those: one for the icon and
   * one for the text), while the filtering is done only when a filter
   * is actually loaded. */
  gtk_list_store_append (impl->recent_store, &iter);
  gtk_list_store_set (impl->recent_store, &iter,
  		      RECENT_URI_COLUMN, uri,           /* uri  */
  		      RECENT_DISPLAY_NAME_COLUMN, name, /* display_name */
  		      RECENT_INFO_COLUMN, info,         /* info */
  		      -1);
  
  impl->loaded_items += 1;

  if (impl->loaded_items == impl->n_recent_items)
    {
      /* we have finished loading, so we remove the items cache */
      impl->load_state = LOAD_LOADING;
      
      g_list_foreach (impl->recent_items,
      		      (GFunc) gtk_recent_info_unref,
      		      NULL);
      g_list_free (impl->recent_items);
      
      impl->recent_items = NULL;
      impl->n_recent_items = 0;
      impl->loaded_items = 0;
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      /* load the filled up model */
      chooser_set_model (impl);

      retval = FALSE;
    }
  else
    {
      /* we did not finish, so continue loading */
      retval = TRUE;
    }
  
  return retval;
}

static void
cleanup_after_load (gpointer user_data)
{
  GtkRecentChooserDefault *impl;
  
  impl = GTK_RECENT_CHOOSER_DEFAULT (user_data);

  if (impl->load_id != 0)
    {
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      g_assert ((impl->load_state == LOAD_EMPTY) ||
                (impl->load_state == LOAD_PRELOAD) ||
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		(impl->load_state == LOAD_LOADING) ||
		(impl->load_state == LOAD_FINISHED));
      
      /* we have officialy finished loading all the items,
       * so we can reset the state machine
       */
      g_source_remove (impl->load_id);
      impl->load_id = 0;
      impl->load_state = LOAD_EMPTY;
    }
  else
    g_assert ((impl->load_state == LOAD_EMPTY) ||
	      (impl->load_state == LOAD_LOADING) ||
	      (impl->load_state == LOAD_FINISHED));

  set_busy_cursor (impl, FALSE);
}

/* clears the current model and reloads the recently used resources */
static void
reload_recent_items (GtkRecentChooserDefault *impl)
{
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  GtkWidget *widget;

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  /* reload is already in progress - do not disturb */
  if (impl->load_id)
    return;
  
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  widget = GTK_WIDGET (impl);

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  gtk_tree_view_set_model (GTK_TREE_VIEW (impl->recent_view), NULL);
  gtk_list_store_clear (impl->recent_store);
  
  if (!impl->icon_theme)
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    impl->icon_theme = get_icon_theme_for_widget (widget);
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911
  impl->icon_size = get_icon_size_for_widget (widget,
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		  			      GTK_ICON_SIZE_BUTTON);

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  if (!impl->limit_set)
    impl->limit = get_recent_files_limit (widget);

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  set_busy_cursor (impl, TRUE);

  impl->load_state = LOAD_EMPTY;
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  impl->load_id = gdk_threads_add_idle_full (G_PRIORITY_HIGH_IDLE + 30,
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                                             load_recent_items,
                                             impl,
                                             cleanup_after_load);
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}

/* taken form gtkfilechooserdialog.c */
static void
set_default_size (GtkRecentChooserDefault *impl)
{
  GtkWidget *widget;
  gint width, height;
  gint font_size;
  GdkScreen *screen;
  gint monitor_num;
  GtkRequisition req;
  GdkRectangle monitor;

  widget = GTK_WIDGET (impl);

  /* Size based on characters and the icon size */
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  font_size = pango_font_description_get_size (gtk_widget_get_style (widget)->font_desc);
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  font_size = PANGO_PIXELS (font_size);

  width = impl->icon_size + font_size * NUM_CHARS;
  height = (impl->icon_size + font_size) * NUM_LINES;

  /* Use at least the requisition size... */
  gtk_widget_size_request (widget, &req);
  width = MAX (width, req.width);
  height = MAX (height, req.height);

  /* ... but no larger than the monitor */
  screen = gtk_widget_get_screen (widget);
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  monitor_num = gdk_screen_get_monitor_at_window (screen,
                                                  gtk_widget_get_window (widget));
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  gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);

  width = MIN (width, monitor.width * 3 / 4);
  height = MIN (height, monitor.height * 3 / 4);

  /* Set size */
  gtk_widget_set_size_request (impl->recent_view, width, height);
}

static void
gtk_recent_chooser_default_map (GtkWidget *widget)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (widget);
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  GTK_WIDGET_CLASS (_gtk_recent_chooser_default_parent_class)->map (widget);
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  /* reloads everything */
  reload_recent_items (impl);

  set_default_size (impl);
}

static void
recent_icon_data_func (GtkTreeViewColumn *tree_column,
		       GtkCellRenderer   *cell,
		       GtkTreeModel      *model,
		       GtkTreeIter       *iter,
		       gpointer           user_data)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (user_data);
  GtkRecentInfo *info = NULL;
  GdkPixbuf *pixbuf;
  
  gtk_tree_model_get (model, iter,
                      RECENT_INFO_COLUMN, &info,
                      -1);
  g_assert (info != NULL);
  
  pixbuf = gtk_recent_info_get_icon (info, impl->icon_size);
  
  g_object_set (cell,
                "pixbuf", pixbuf,
                NULL);
  
  if (pixbuf)  
    g_object_unref (pixbuf);
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  gtk_recent_info_unref (info);
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}

static void
recent_meta_data_func (GtkTreeViewColumn *tree_column,
		       GtkCellRenderer   *cell,
		       GtkTreeModel      *model,
		       GtkTreeIter       *iter,
		       gpointer           user_data)
{
  GtkRecentInfo *info = NULL;
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  gchar *name;
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  gtk_tree_model_get (model, iter,
                      RECENT_DISPLAY_NAME_COLUMN, &name,
                      RECENT_INFO_COLUMN, &info,
                      -1);
  g_assert (info != NULL);
  
  if (!name)
    name = gtk_recent_info_get_short_name (info);
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1026
  g_object_set (cell, "text", name, NULL);
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  g_free (name);
  gtk_recent_info_unref (info);
}


static gchar *
gtk_recent_chooser_default_get_current_uri (GtkRecentChooser *chooser)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (chooser);
  
  g_assert (impl->selection != NULL);
  
  if (!impl->select_multiple)
    {
      GtkTreeModel *model;
      GtkTreeIter iter;
      gchar *uri = NULL;
      
      if (!gtk_tree_selection_get_selected (impl->selection, &model, &iter))
        return NULL;
      
      gtk_tree_model_get (model, &iter, RECENT_URI_COLUMN, &uri, -1);
      
      return uri;
    }
  
  return NULL;
}

typedef struct
{
  guint found : 1;
  guint do_select : 1;
  guint do_activate : 1;
  
  gchar *uri;
  
  GtkRecentChooserDefault *impl;
} SelectURIData;

static gboolean
scan_for_uri_cb (GtkTreeModel *model,
		 GtkTreePath  *path,
		 GtkTreeIter  *iter,
		 gpointer      user_data)
{
  SelectURIData *select_data = (SelectURIData *) user_data;
1075
  gchar *uri = NULL;
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  if (!select_data)
    return TRUE;
  
  if (select_data->found)
    return TRUE;
  
  gtk_tree_model_get (model, iter, RECENT_URI_COLUMN, &uri, -1);
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  if (!uri)
    return FALSE;
  
  if (strcmp (uri, select_data->uri) == 0)
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    {
      select_data->found = TRUE;
      
      if (select_data->do_activate)
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        gtk_tree_view_row_activated (GTK_TREE_VIEW (select_data->impl->recent_view),
        			     path,
        			     select_data->impl->meta_column);
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      if (select_data->do_select)
1097
        gtk_tree_selection_select_path (select_data->impl->selection, path);
1098
      else
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        gtk_tree_selection_unselect_path (select_data->impl->selection, path);

      g_free (uri);
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      return TRUE;
    }
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  g_free (uri);
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  return FALSE;
}

static gboolean
gtk_recent_chooser_default_set_current_uri (GtkRecentChooser  *chooser,
					    const gchar       *uri,
					    GError           **error)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (chooser);
  SelectURIData *data;
  
  data = g_new0 (SelectURIData, 1);
  data->uri = g_strdup (uri);
  data->impl = impl;
  data->found = FALSE;
  data->do_activate = TRUE;
  data->do_select = TRUE;
  
  gtk_tree_model_foreach (GTK_TREE_MODEL (impl->recent_store),
  			  scan_for_uri_cb,
  			  data);
  
  if (!data->found)
    {
      g_free (data->uri);
      g_free (data);
      
      g_set_error (error, GTK_RECENT_CHOOSER_ERROR,
      		   GTK_RECENT_CHOOSER_ERROR_NOT_FOUND,
      		   _("No item for URI '%s' found"),
      		   uri);
      return FALSE;
    }
  
  g_free (data->uri);
  g_free (data);

  return TRUE;
}

static gboolean
gtk_recent_chooser_default_select_uri (GtkRecentChooser  *chooser,
				       const gchar       *uri,
				       GError           **error)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (chooser);
  SelectURIData *data;
  
  data = g_new0 (SelectURIData, 1);
  data->uri = g_strdup (uri);
  data->impl = impl;
  data->found = FALSE;
  data->do_activate = FALSE;
  data->do_select = TRUE;
  
  gtk_tree_model_foreach (GTK_TREE_MODEL (impl->recent_store),
  			  scan_for_uri_cb,
  			  data);
  
  if (!data->found)
    {
      g_free (data->uri);
      g_free (data);
      
      g_set_error (error, GTK_RECENT_CHOOSER_ERROR,
      		   GTK_RECENT_CHOOSER_ERROR_NOT_FOUND,
      		   _("No item for URI '%s' found"),
      		   uri);
      return FALSE;
    }
  
  g_free (data->uri);
  g_free (data);

  return TRUE;
}

static void
gtk_recent_chooser_default_unselect_uri (GtkRecentChooser *chooser,
					 const gchar      *uri)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (chooser);
  SelectURIData *data;
  
  data = g_new0 (SelectURIData, 1);
  data->uri = g_strdup (uri);
  data->impl = impl;
  data->found = FALSE;
  data->do_activate = FALSE;
  data->do_select = FALSE;
  
  gtk_tree_model_foreach (GTK_TREE_MODEL (impl->recent_store),
  			  scan_for_uri_cb,
  			  data);
  
  g_free (data->uri);
  g_free (data);
}

static void
gtk_recent_chooser_default_select_all (GtkRecentChooser *chooser)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (chooser);
  
  if (!impl->select_multiple)
    return;
  
  gtk_tree_selection_select_all (impl->selection);
}

static void
gtk_recent_chooser_default_unselect_all (GtkRecentChooser *chooser)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (chooser);
  
  gtk_tree_selection_unselect_all (impl->selection);
}

static void
gtk_recent_chooser_default_set_sort_func (GtkRecentChooser  *chooser,
					  GtkRecentSortFunc  sort_func,
					  gpointer           sort_data,
					  GDestroyNotify     data_destroy)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (chooser);
  
  if (impl->sort_data_destroy)
    {
      impl->sort_data_destroy (impl->sort_data);
      impl->sort_data_destroy = NULL;
    }
1239 1240 1241
      
  impl->sort_func = NULL;
  impl->sort_data = NULL;
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  if (sort_func)
    {
      impl->sort_func = sort_func;
      impl->sort_data = sort_data;
      impl->sort_data_destroy = data_destroy;
    }
}

static GList *
gtk_recent_chooser_default_get_items (GtkRecentChooser *chooser)
{
  GtkRecentChooserDefault *impl;

1256
  impl = GTK_RECENT_CHOOSER_DEFAULT (chooser);
1257

1258
  return _gtk_recent_chooser_get_items (chooser,
1259
                                        impl->current_filter,
1260 1261
                                        impl->sort_func,
                                        impl->sort_data);
1262 1263 1264 1265 1266
}

static GtkRecentManager *
gtk_recent_chooser_default_get_recent_manager (GtkRecentChooser *chooser)
{
1267
  return GTK_RECENT_CHOOSER_DEFAULT (chooser)->manager;
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}

static void
show_filters (GtkRecentChooserDefault *impl,
              gboolean                 show)
{
  if (show)
    gtk_widget_show (impl->filter_combo_hbox);
  else
    gtk_widget_hide (impl->filter_combo_hbox);
}

static void
gtk_recent_chooser_default_add_filter (GtkRecentChooser *chooser,
				       GtkRecentFilter  *filter)
{
  GtkRecentChooserDefault *impl;
  const gchar *name;

  impl = GTK_RECENT_CHOOSER_DEFAULT (chooser);
  
  if (g_slist_find (impl->filters, filter))
    {
      g_warning ("gtk_recent_chooser_add_filter() called on filter already in list\n");
      return;
    }
  
  g_object_ref_sink (filter);
  impl->filters = g_slist_append (impl->filters, filter);
  
  /* display new filter */
  name = gtk_recent_filter_get_name (filter);
  if (!name)
1301
    name = _("Untitled filter");
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  gtk_combo_box_append_text (GTK_COMBO_BOX (impl->filter_combo), name);
  
  if (!g_slist_find (impl->filters, impl->current_filter))
    set_current_filter (impl, filter);
  
  show_filters (impl, TRUE);
}

static void
gtk_recent_chooser_default_remove_filter (GtkRecentChooser *chooser,
					  GtkRecentFilter  *filter)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (chooser);
  GtkTreeModel *model;
  GtkTreeIter iter;
  gint filter_idx;
  
  filter_idx = g_slist_index (impl->filters, filter);
  
  if (filter_idx < 0)
    {
      g_warning ("gtk_recent_chooser_remove_filter() called on filter not in list\n");
      return;  
    }
  
  impl->filters = g_slist_remove (impl->filters, filter);
  
  if (filter == impl->current_filter)
    {
      if (impl->filters)
        set_current_filter (impl, impl->filters->data);
      else
        set_current_filter (impl, NULL);
    }
  
  model = gtk_combo_box_get_model (GTK_COMBO_BOX (impl->filter_combo));
  gtk_tree_model_iter_nth_child (model, &iter, NULL, filter_idx);
  gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
  
  g_object_unref (filter);
  
  if (!impl->filters)
    show_filters (impl, FALSE);
}

static GSList *
gtk_recent_chooser_default_list_filters (GtkRecentChooser *chooser)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (chooser);
  
  return g_slist_copy (impl->filters);
}

static void
set_current_filter (GtkRecentChooserDefault *impl,
		    GtkRecentFilter         *filter)
{
  if (impl->current_filter != filter)
    {
      gint filter_idx;
      
      filter_idx = g_slist_index (impl->filters, filter);
      if (impl->filters && filter && filter_idx < 0)
        return;
      
      if (impl->current_filter)
        g_object_unref (impl->current_filter);
      
      impl->current_filter = filter;
      
      if (impl->current_filter)     
        {
          g_object_ref_sink (impl->current_filter);
        }
      
      if (impl->filters)
        gtk_combo_box_set_active (GTK_COMBO_BOX (impl->filter_combo),
                                  filter_idx);
      
1382 1383 1384
      if (impl->recent_store)
        reload_recent_items (impl);

1385 1386 1387 1388
      g_object_notify (G_OBJECT (impl), "filter");
    }
}

1389 1390 1391 1392
static void
chooser_set_sort_type (GtkRecentChooserDefault *impl,
		       GtkRecentSortType        sort_type)
{
1393 1394 1395 1396
  if (impl->sort_type != sort_type)
    {
      impl->sort_type = sort_type;
      reload_recent_items (impl);
1397

1398 1399
      g_object_notify (G_OBJECT (impl), "sort-type");
    }
1400 1401 1402
}


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static GtkIconTheme *
get_icon_theme_for_widget (GtkWidget *widget)
{
  if (gtk_widget_has_screen (widget))
    return gtk_icon_theme_get_for_screen (gtk_widget_get_screen (widget));

  return gtk_icon_theme_get_default ();
}

static gint
get_icon_size_for_widget (GtkWidget   *widget,
			  GtkIconSize  icon_size)
{
  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, icon_size,
                                         &width, &height))
    return MAX (width, height);

  return FALLBACK_ICON_SIZE;
}

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static gint
get_recent_files_limit (GtkWidget *widget)
{
  GtkSettings *settings;
  gint limit;

  if (gtk_widget_has_screen (widget))
    settings = gtk_settings_get_for_screen (gtk_widget_get_screen (widget));
  else
    settings = gtk_settings_get_default ();
  
  g_object_get (G_OBJECT (settings), "gtk-recent-files-limit", &limit, NULL);

  return limit;
}
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static void
recent_manager_changed_cb (GtkRecentManager *manager,
			   gpointer          user_data)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (user_data);

  reload_recent_items (impl);
}

static void
selection_changed_cb (GtkTreeSelection *selection,
		      gpointer          user_data)
{
  _gtk_recent_chooser_selection_changed (GTK_RECENT_CHOOSER (user_data));
}

static void
row_activated_cb (GtkTreeView       *tree_view,
		  GtkTreePath       *tree_path,
		  GtkTreeViewColumn *tree_column,
		  gpointer           user_data)
{
  _gtk_recent_chooser_item_activated (GTK_RECENT_CHOOSER (user_data));
}

static void
filter_combo_changed_cb (GtkComboBox *combo_box,
			 gpointer     user_data)
{
  GtkRecentChooserDefault *impl;
  gint new_index;
  GtkRecentFilter *filter;
  
  impl = GTK_RECENT_CHOOSER_DEFAULT (user_data);
  
  new_index = gtk_combo_box_get_active (combo_box);
  filter = g_slist_nth_data (impl->filters, new_index);
  
  set_current_filter (impl, filter);
}

static GdkPixbuf *
get_drag_pixbuf (GtkRecentChooserDefault *impl)
{
  GtkRecentInfo *info;
  GdkPixbuf *retval;
  gint size;
  
  g_assert (GTK_IS_RECENT_CHOOSER_DEFAULT (impl));

  info = gtk_recent_chooser_get_current_item (GTK_RECENT_CHOOSER (impl));
  if (!info)
    return NULL;

  size = get_icon_size_for_widget (GTK_WIDGET (impl), GTK_ICON_SIZE_DND);

  retval = gtk_recent_info_get_icon (info, size);
  gtk_recent_info_unref (info);

  return retval;
}

static void
recent_view_drag_begin_cb (GtkWidget      *widget,
			   GdkDragContext *context,
			   gpointer        user_data)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (user_data);
  GdkPixbuf *pixbuf;

  pixbuf = get_drag_pixbuf (impl);
  if (pixbuf)
    {
      gtk_drag_set_icon_pixbuf (context, pixbuf, 0, 0);
      g_object_unref (pixbuf);
    }
  else
    gtk_drag_set_icon_default (context);
}

typedef struct
{
  gchar **uri_list;
  gsize next_pos;
} DragData;

static void
append_uri_to_urilist (GtkTreeModel *model,
		       GtkTreePath  *path,
		       GtkTreeIter  *iter,
		       gpointer      user_data)
{
  DragData *drag_data = (DragData *) user_data;
  GtkTreeModel *child_model;
  GtkTreeIter child_iter;
  gchar *uri = NULL;
  gsize pos;

  child_model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (model));
  gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER (model),
  						    &child_iter,
  						    iter);
  gtk_tree_model_get (child_model, &child_iter,
  		      RECENT_URI_COLUMN, &uri,
  		      -1);
  g_assert (uri != NULL);

  pos = drag_data->next_pos;
  drag_data->uri_list[pos] = g_strdup (uri);
  drag_data->next_pos = pos + 1;
}

static void
recent_view_drag_data_get_cb (GtkWidget        *widget,
			      GdkDragContext   *context,
			      GtkSelectionData *selection_data,
			      guint             info,
			      guint32           time_,
			      gpointer          data)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (data);
1568
  DragData drag_data;
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  gsize n_uris;
  
  n_uris = gtk_tree_selection_count_selected_rows (impl->selection);
  if (n_uris == 0)
1573
    return;
1574

1575 1576
  drag_data.uri_list = g_new0 (gchar *, n_uris + 1);
  drag_data.next_pos = 0;
1577 1578 1579
  
  gtk_tree_selection_selected_foreach (impl->selection,
      				       append_uri_to_urilist,
1580
      				       &drag_data);
1581
  
1582
  gtk_selection_data_set_uris (selection_data, drag_data.uri_list);
1583

1584
  g_strfreev (drag_data.uri_list);
1585 1586
}

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static gboolean
recent_view_query_tooltip_cb (GtkWidget  *widget,
                              gint        x,
                              gint        y,
                              gboolean    keyboard_tip,
                              GtkTooltip *tooltip,
                              gpointer    user_data)
{
  GtkRecentChooserDefault *impl = user_data;
  GtkTreeView *tree_view;
  GtkTreeIter iter;
  GtkTreePath *path = NULL;
  GtkRecentInfo *info = NULL;
  gchar *uri_display;
1601

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  if (!impl->show_tips)
    return FALSE;

  tree_view = GTK_TREE_VIEW (impl->recent_view);

  gtk_tree_view_get_tooltip_context (tree_view,
                                     &x, &y,
                                     keyboard_tip,
                                     NULL, &path, NULL);
  if (!path)
    return FALSE;

  if (!gtk_tree_model_get_iter (GTK_TREE_MODEL (impl->recent_store), &iter, path))
    {
      gtk_tree_path_free (path);
      return FALSE;
    }

  gtk_tree_model_get (GTK_TREE_MODEL (impl->recent_store), &iter,
                      RECENT_INFO_COLUMN, &info,
                      -1);

  uri_display = gtk_recent_info_get_uri_display (info);
  
  gtk_tooltip_set_text (tooltip, uri_display);
  gtk_tree_view_set_tooltip_row (tree_view, tooltip, path);

  g_free (uri_display);
  gtk_tree_path_free (path);
  gtk_recent_info_unref (info);

  return TRUE;
}
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static void
remove_selected_from_list (GtkRecentChooserDefault *impl)
{
  gchar *uri;
  GError *err;
  
  if (impl->select_multiple)
    return;
  
  uri = gtk_recent_chooser_get_current_uri (GTK_RECENT_CHOOSER (impl));
  if (!uri)
    return;
  
  err = NULL;
  if (!gtk_recent_manager_remove_item (impl->manager, uri, &err))
    {
      gchar *msg;
   
1654
      msg = g_strdup (_("Could not remove item"));
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      error_message (impl, msg, err->message);
      
      g_free (msg);
      g_error_free (err);
    }
  
  g_free (uri);
}

static void
copy_activated_cb (GtkMenuItem *menu_item,
		   gpointer     user_data)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (user_data);
  GtkRecentInfo *info;
  gchar *utf8_uri;

  info = gtk_recent_chooser_get_current_item (GTK_RECENT_CHOOSER (impl));
  if (!info)
    return;

  utf8_uri = gtk_recent_info_get_uri_display (info);
  
  gtk_clipboard_set_text (gtk_widget_get_clipboard (GTK_WIDGET (impl),
			  			    GDK_SELECTION_CLIPBOARD),
                          utf8_uri, -1);

1682
  gtk_recent_info_unref (info);
1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836
  g_free (utf8_uri);
}

static void
remove_all_activated_cb (GtkMenuItem *menu_item,
			 gpointer     user_data)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (user_data);
  GError *err = NULL;
  
  gtk_recent_manager_purge_items (impl->manager, &err);
  if (err)
    {
       gchar *msg;

       msg = g_strdup (_("Could not clear list"));

       error_message (impl, msg, err->message);
       
       g_free (msg);
       g_error_free (err);
    }
}

static void
remove_item_activated_cb (GtkMenuItem *menu_item,
			  gpointer     user_data)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (user_data);
  
  remove_selected_from_list (impl);
}

static void
show_private_toggled_cb (GtkCheckMenuItem *menu_item,
			 gpointer          user_data)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (user_data);
  
  g_object_set (G_OBJECT (impl),
  		"show-private", gtk_check_menu_item_get_active (menu_item),
  		NULL);
}

static void
recent_popup_menu_detach_cb (GtkWidget *attach_widget,
			     GtkMenu   *menu)
{
  GtkRecentChooserDefault *impl;
  
  impl = g_object_get_data (G_OBJECT (attach_widget), "GtkRecentChooserDefault");
  g_assert (GTK_IS_RECENT_CHOOSER_DEFAULT (impl));
  
  impl->recent_popup_menu = NULL;
  impl->recent_popup_menu_remove_item = NULL;
  impl->recent_popup_menu_copy_item = NULL;
  impl->recent_popup_menu_clear_item = NULL;
  impl->recent_popup_menu_show_private_item = NULL;
}

static void
recent_view_menu_ensure_state (GtkRecentChooserDefault *impl)
{
  gint count;
  
  g_assert (GTK_IS_RECENT_CHOOSER_DEFAULT (impl));
  g_assert (impl->recent_popup_menu != NULL);

  if (!impl->manager)
    count = 0;
  else
    g_object_get (G_OBJECT (impl->manager), "size", &count, NULL);

  if (count == 0)
    {
      gtk_widget_set_sensitive (impl->recent_popup_menu_remove_item, FALSE);
      gtk_widget_set_sensitive (impl->recent_popup_menu_copy_item, FALSE);
      gtk_widget_set_sensitive (impl->recent_popup_menu_clear_item, FALSE);
      gtk_widget_set_sensitive (impl->recent_popup_menu_show_private_item, FALSE);
    }
}

static void
recent_view_menu_build (GtkRecentChooserDefault *impl)
{
  GtkWidget *item;
  
  if (impl->recent_popup_menu)
    {
      recent_view_menu_ensure_state (impl);
      
      return;
    }
  
  impl->recent_popup_menu = gtk_menu_new ();
  gtk_menu_attach_to_widget (GTK_MENU (impl->recent_popup_menu),
  			     impl->recent_view,
  			     recent_popup_menu_detach_cb);
  
  item = gtk_image_menu_item_new_with_mnemonic (_("Copy _Location"));
  impl->recent_popup_menu_copy_item = item;
  gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
		  		 gtk_image_new_from_stock (GTK_STOCK_COPY, GTK_ICON_SIZE_MENU));
  g_signal_connect (item, "activate",
		    G_CALLBACK (copy_activated_cb), impl);
  gtk_widget_show (item);
  gtk_menu_shell_append (GTK_MENU_SHELL (impl->recent_popup_menu), item);

  item = gtk_separator_menu_item_new ();
  gtk_widget_show (item);
  gtk_menu_shell_append (GTK_MENU_SHELL (impl->recent_popup_menu), item);
  
  item = gtk_image_menu_item_new_with_mnemonic (_("_Remove From List"));
  impl->recent_popup_menu_remove_item = item;
  gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
  				 gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_MENU));
  g_signal_connect (item, "activate",
  		    G_CALLBACK (remove_item_activated_cb), impl);
  gtk_widget_show (item);
  gtk_menu_shell_append (GTK_MENU_SHELL (impl->recent_popup_menu), item);

  item = gtk_image_menu_item_new_with_mnemonic (_("_Clear List"));
  impl->recent_popup_menu_clear_item = item;
  gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item),
  				 gtk_image_new_from_stock (GTK_STOCK_CLEAR, GTK_ICON_SIZE_MENU));
  g_signal_connect (item, "activate",
		    G_CALLBACK (remove_all_activated_cb), impl);
  
  gtk_widget_show (item);
  gtk_menu_shell_append (GTK_MENU_SHELL (impl->recent_popup_menu), item);
  
  item = gtk_separator_menu_item_new ();
  gtk_widget_show (item);
  gtk_menu_shell_append (GTK_MENU_SHELL (impl->recent_popup_menu), item);
  
  item = gtk_check_menu_item_new_with_mnemonic (_("Show _Private Resources"));
  impl->recent_popup_menu_show_private_item = item;
  gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (item), impl->show_private);
  g_signal_connect (item, "toggled",
  		    G_CALLBACK (show_private_toggled_cb), impl);
  gtk_widget_show (item);
  gtk_menu_shell_append (GTK_MENU_SHELL (impl->recent_popup_menu), item);
  
  recent_view_menu_ensure_state (impl);
}

/* taken from gtkfilechooserdefault.c */
static void
popup_position_func (GtkMenu   *menu,
                     gint      *x,
                     gint      *y,
                     gboolean  *push_in,
                     gpointer	user_data)
{
1837
  GtkAllocation allocation;
1838 1839 1840 1841 1842 1843
  GtkWidget *widget = GTK_WIDGET (user_data);
  GdkScreen *screen = gtk_widget_get_screen (widget);
  GtkRequisition req;
  gint monitor_num;
  GdkRectangle monitor;

1844
  if (G_UNLIKELY (!gtk_widget_get_realized (widget)))
1845 1846
    return;

1847 1848
  gdk_window_get_origin (gtk_widget_get_window (widget),
                         x, y);
1849 1850 1851

  gtk_widget_size_request (GTK_WIDGET (menu), &req);

1852 1853 1854
  gtk_widget_get_allocation (widget, &allocation);
  *x += (allocation.width - req.width) / 2;
  *y += (allocation.height - req.height) / 2;
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  monitor_num = gdk_screen_get_monitor_at_point (screen, *x, *y);
  gtk_menu_set_monitor (menu, monitor_num);
  gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);

  *x = CLAMP (*x, monitor.x, monitor.x + MAX (0, monitor.width - req.width));
  *y = CLAMP (*y, monitor.y, monitor.y + MAX (0, monitor.height - req.height));

  *push_in = FALSE;
}


static void
recent_view_menu_popup (GtkRecentChooserDefault *impl,
			GdkEventButton          *event)
{
  recent_view_menu_build (impl);
  
  if (event)
    gtk_menu_popup (GTK_MENU (impl->recent_popup_menu),
    		    NULL, NULL, NULL, NULL,
    		    event->button, event->time);
  else
    {
      gtk_menu_popup (GTK_MENU (impl->recent_popup_menu),
      		      NULL, NULL,
      		      popup_position_func, impl->recent_view,
      		      0, GDK_CURRENT_TIME);
      gtk_menu_shell_select_first (GTK_MENU_SHELL (impl->recent_popup_menu),
      				   FALSE);
    }
}

static gboolean
recent_view_popup_menu_cb (GtkWidget *widget,
			   gpointer   user_data)
{
  recent_view_menu_popup (GTK_RECENT_CHOOSER_DEFAULT (user_data), NULL);
  return TRUE;
}

static gboolean
recent_view_button_press_cb (GtkWidget      *widget,
			     GdkEventButton *event,
			     gpointer        user_data)
{
  GtkRecentChooserDefault *impl = GTK_RECENT_CHOOSER_DEFAULT (user_data);
  
  if (event->button == 3)
    {
      GtkTreePath *path;
      gboolean res;

      if (event->window != gtk_tree_view_get_bin_window (GTK_TREE_VIEW (impl->recent_view)))
        return FALSE;

      res = gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (impl->recent_view),
		      			   event->x, event->y,
					   &path,
					   NULL, NULL, NULL);
      if (!res)
        return FALSE;

      /* select the path before creating the popup menu */
      gtk_tree_selection_select_path (impl->selection, path);
      gtk_tree_path_free (path);
      
      recent_view_menu_popup (impl, event);

      return TRUE;
    }
  
  return FALSE;
}

static void
set_recent_manager (GtkRecentChooserDefault *impl,
		    GtkRecentManager        *manager)
{
  if (impl->manager)
    {
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      if (impl->manager_changed_id)
        {
          g_signal_handler_disconnect (impl, impl->manager_changed_id);
          impl->manager_changed_id = 0;
        }
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      impl->manager = NULL;
    }
  
  if (manager)
    impl->manager = manager;
  else
    impl->manager = gtk_recent_manager_get_default ();
  
  if (impl->manager)
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    {
      impl->manager_changed_id = g_signal_connect (impl->manager, "changed",
                                                   G_CALLBACK (recent_manager_changed_cb),
                                                   impl);
    }
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}

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static void
gtk_recent_chooser_update (GtkActivatable *activatable,
			   GtkAction      *action,
			   const gchar    *property_name)
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{
  if (strcmp (property_name, "visible") == 0)
    {
      if (gtk_action_is_visible (action))
	gtk_widget_show (GTK_WIDGET (activatable));
      else
	gtk_widget_hide (GTK_WIDGET (activatable));
    }

  if (strcmp (property_name, "sensitive") == 0)
    gtk_widget_set_sensitive (GTK_WIDGET (activatable), gtk_action_is_sensitive (action));

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  _gtk_recent_chooser_update (activatable, action, property_name);
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}


static void 
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gtk_recent_chooser_sync_action_properties (GtkActivatable *activatable,
				           GtkAction      *action)
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{
  if (action)
    {
      if (gtk_action_is_visible (action))
	gtk_widget_show (GTK_WIDGET (activatable));
      else
	gtk_widget_hide (GTK_WIDGET (activatable));
      
      gtk_widget_set_sensitive (GTK_WIDGET (activatable), gtk_action_is_sensitive (action));
    }

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  _gtk_recent_chooser_sync_action_properties (activatable, action);
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}


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GtkWidget *
_gtk_recent_chooser_default_new (GtkRecentManager *manager)
{
  return g_object_new (GTK_TYPE_RECENT_CHOOSER_DEFAULT,
  		       "recent-manager", manager,
  		       NULL);
}