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|
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* fm-desktop-icon-view.c - implementation of icon view for managing the desktop.
Copyright (C) 2000, 2001 Eazel, Inc.mou
The Mate Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Mate 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the Mate Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301, USA.
Authors: Mike Engber <engber@eazel.com>
Gene Z. Ragan <gzr@eazel.com>
Miguel de Icaza <miguel@ximian.com>
*/
#include <config.h>
#include <fcntl.h>
#include <limits.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <X11/Xatom.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <glib/gi18n.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "../../eel/eel-glib-extensions.h"
#include "../../eel/eel-gtk-extensions.h"
#include "../../eel/eel-vfs-extensions.h"
#include "../../libcaja-private/caja-desktop-icon-file.h"
#include "../../libcaja-private/caja-directory-background.h"
#include "../../libcaja-private/caja-directory-notify.h"
#include "../../libcaja-private/caja-file-changes-queue.h"
#include "../../libcaja-private/caja-file-operations.h"
#include "../../libcaja-private/caja-file-utilities.h"
#include "../../libcaja-private/caja-ui-utilities.h"
#include "../../libcaja-private/caja-global-preferences.h"
#include "../../libcaja-private/caja-view-factory.h"
#include "../../libcaja-private/caja-link.h"
#include "../../libcaja-private/caja-metadata.h"
#include "../../libcaja-private/caja-monitor.h"
#include "../../libcaja-private/caja-program-choosing.h"
#include "../../libcaja-private/caja-trash-monitor.h"
#include "fm-icon-container.h"
#include "fm-desktop-icon-view.h"
#include "fm-actions.h"
/* Timeout to check the desktop directory for updates */
#define RESCAN_TIMEOUT 4
struct _FMDesktopIconViewPrivate
{
GdkWindow *root_window;
GtkActionGroup *desktop_action_group;
guint desktop_merge_id;
/* For the desktop rescanning
*/
gulong delayed_init_signal;
guint reload_desktop_timeout;
gboolean pending_rescan;
};
static void default_zoom_level_changed (gpointer user_data);
static gboolean real_supports_auto_layout (FMIconView *view);
static gboolean real_supports_scaling (FMIconView *view);
static gboolean real_supports_keep_aligned (FMIconView *view);
static gboolean real_supports_labels_beside_icons (FMIconView *view);
static void real_merge_menus (FMDirectoryView *view);
static void real_update_menus (FMDirectoryView *view);
static gboolean real_supports_zooming (FMDirectoryView *view);
static void fm_desktop_icon_view_update_icon_container_fonts (FMDesktopIconView *view);
static void font_changed_callback (gpointer callback_data);
G_DEFINE_TYPE_WITH_PRIVATE (FMDesktopIconView, fm_desktop_icon_view, FM_TYPE_ICON_VIEW)
static char *desktop_directory;
static time_t desktop_dir_modify_time;
static void
desktop_directory_changed_callback (gpointer callback_data)
{
g_free (desktop_directory);
desktop_directory = caja_get_desktop_directory ();
}
static CajaIconContainer *
get_icon_container (FMDesktopIconView *icon_view)
{
g_return_val_if_fail (FM_IS_DESKTOP_ICON_VIEW (icon_view), NULL);
g_return_val_if_fail (CAJA_IS_ICON_CONTAINER (gtk_bin_get_child (GTK_BIN (icon_view))), NULL);
return CAJA_ICON_CONTAINER (gtk_bin_get_child (GTK_BIN (icon_view)));
}
static void
icon_container_set_workarea (CajaIconContainer *icon_container,
GdkScreen *screen,
long *workareas,
int n_items)
{
int left, right, top, bottom;
int screen_width, screen_height;
int scale;
int i;
left = right = top = bottom = 0;
scale = gdk_window_get_scale_factor (gdk_screen_get_root_window (screen));
screen_width = WidthOfScreen (gdk_x11_screen_get_xscreen (screen)) / scale;
screen_height = HeightOfScreen (gdk_x11_screen_get_xscreen (screen)) / scale;
for (i = 0; i < n_items; i += 4)
{
int x = workareas [i] / scale;
int y = workareas [i + 1] / scale;
int width = workareas [i + 2] / scale;
int height = workareas [i + 3] / scale;
if ((x + width) > screen_width || (y + height) > screen_height)
continue;
left = MAX (left, x);
right = MAX (right, screen_width - width - x);
top = MAX (top, y);
bottom = MAX (bottom, screen_height - height - y);
}
caja_icon_container_set_margins (icon_container,
left, right, top, bottom);
}
static void
net_workarea_changed (FMDesktopIconView *icon_view,
GdkWindow *window)
{
GdkDisplay *display;
long *nworkareas = NULL;
long *workareas = NULL;
GdkAtom type_returned;
int format_returned;
int length_returned;
CajaIconContainer *icon_container;
GdkScreen *screen;
g_return_if_fail (FM_IS_DESKTOP_ICON_VIEW (icon_view));
icon_container = get_icon_container (icon_view);
/* Find the number of desktops so we know how long the
* workareas array is going to be (each desktop will have four
* elements in the workareas array describing
* x,y,width,height) */
display = gtk_widget_get_display (GTK_WIDGET (icon_view));
gdk_x11_display_error_trap_push (display);
if (!gdk_property_get (window,
gdk_atom_intern ("_NET_NUMBER_OF_DESKTOPS", FALSE),
gdk_x11_xatom_to_atom (XA_CARDINAL),
0, 4, FALSE,
&type_returned,
&format_returned,
&length_returned,
(guchar **) &nworkareas))
{
g_warning("Can not calculate _NET_NUMBER_OF_DESKTOPS");
}
if (gdk_x11_display_error_trap_pop (display)
|| nworkareas == NULL
|| type_returned != gdk_x11_xatom_to_atom (XA_CARDINAL)
|| format_returned != 32)
g_warning("Can not calculate _NET_NUMBER_OF_DESKTOPS");
/* Note : gdk_property_get() is broken (API documents admit
* this). As a length argument, it expects the number of
* _bytes_ of data you require. Internally, gdk_property_get
* converts that value to a count of 32 bit (4 byte) elements.
* However, the length returned is in bytes, but is calculated
* via the count of returned elements * sizeof(long). This
* means on a 64 bit system, the number of bytes you have to
* request does not correspond to the number of bytes you get
* back, and is the reason for the workaround below.
*/
gdk_x11_display_error_trap_push (display);
if (nworkareas == NULL || (*nworkareas < 1)
|| !gdk_property_get (window,
gdk_atom_intern ("_NET_WORKAREA", FALSE),
gdk_x11_xatom_to_atom (XA_CARDINAL),
0, ((*nworkareas) * 4 * 4), FALSE,
&type_returned,
&format_returned,
&length_returned,
(guchar **) &workareas))
{
g_warning("Can not get _NET_WORKAREA");
workareas = NULL;
}
if (gdk_x11_display_error_trap_pop (display)
|| workareas == NULL
|| type_returned != gdk_x11_xatom_to_atom (XA_CARDINAL)
|| ((*nworkareas) * 4 * sizeof(long)) != length_returned
|| format_returned != 32)
{
g_warning("Can not determine workarea, guessing at layout");
caja_icon_container_set_margins (icon_container,
0, 0, 0, 0);
}
else
{
screen = gdk_window_get_screen (window);
icon_container_set_workarea (
icon_container, screen, workareas, length_returned / sizeof (long));
}
if (nworkareas != NULL)
g_free (nworkareas);
if (workareas != NULL)
g_free (workareas);
}
static GdkFilterReturn
desktop_icon_view_property_filter (GdkXEvent *gdk_xevent,
GdkEvent *event,
gpointer data)
{
XEvent *xevent = gdk_xevent;
FMDesktopIconView *icon_view;
icon_view = FM_DESKTOP_ICON_VIEW (data);
switch (xevent->type)
{
case PropertyNotify:
if (xevent->xproperty.atom == gdk_x11_get_xatom_by_name ("_NET_WORKAREA"))
net_workarea_changed (icon_view, event->any.window);
break;
default:
break;
}
return GDK_FILTER_CONTINUE;
}
static void
fm_desktop_icon_view_dispose (GObject *object)
{
FMDesktopIconView *icon_view;
GtkUIManager *ui_manager;
icon_view = FM_DESKTOP_ICON_VIEW (object);
/* Remove desktop rescan timeout. */
if (icon_view->priv->reload_desktop_timeout != 0)
{
g_source_remove (icon_view->priv->reload_desktop_timeout);
icon_view->priv->reload_desktop_timeout = 0;
}
ui_manager = fm_directory_view_get_ui_manager (FM_DIRECTORY_VIEW (icon_view));
if (ui_manager != NULL)
{
caja_ui_unmerge_ui (ui_manager,
&icon_view->priv->desktop_merge_id,
&icon_view->priv->desktop_action_group);
}
g_signal_handlers_disconnect_by_func (caja_icon_view_preferences,
default_zoom_level_changed,
icon_view);
g_signal_handlers_disconnect_by_func (caja_desktop_preferences,
font_changed_callback,
icon_view);
g_signal_handlers_disconnect_by_func (mate_lockdown_preferences,
fm_directory_view_update_menus,
icon_view);
g_signal_handlers_disconnect_by_func (caja_preferences,
desktop_directory_changed_callback,
NULL);
G_OBJECT_CLASS (fm_desktop_icon_view_parent_class)->dispose (object);
}
static void
fm_desktop_icon_view_class_init (FMDesktopIconViewClass *class)
{
G_OBJECT_CLASS (class)->dispose = fm_desktop_icon_view_dispose;
FM_DIRECTORY_VIEW_CLASS (class)->merge_menus = real_merge_menus;
FM_DIRECTORY_VIEW_CLASS (class)->update_menus = real_update_menus;
FM_DIRECTORY_VIEW_CLASS (class)->supports_zooming = real_supports_zooming;
FM_ICON_VIEW_CLASS (class)->supports_auto_layout = real_supports_auto_layout;
FM_ICON_VIEW_CLASS (class)->supports_scaling = real_supports_scaling;
FM_ICON_VIEW_CLASS (class)->supports_keep_aligned = real_supports_keep_aligned;
FM_ICON_VIEW_CLASS (class)->supports_labels_beside_icons = real_supports_labels_beside_icons;
}
static void
fm_desktop_icon_view_handle_middle_click (CajaIconContainer *icon_container,
GdkEventButton *event,
FMDesktopIconView *desktop_icon_view)
{
XButtonEvent x_event;
GdkDevice *keyboard = NULL, *pointer = NULL;
GdkSeat *seat;
GdkDisplay *display;
seat = gdk_display_get_default_seat (gtk_widget_get_display (GTK_WIDGET (icon_container)));
pointer = gdk_seat_get_pointer (seat);
keyboard = gdk_seat_get_keyboard (seat);
/* During a mouse click we have the pointer and keyboard grab.
* We will send a fake event to the root window which will cause it
* to try to get the grab so we need to let go ourselves.
*/
if (pointer != NULL) {
gdk_seat_ungrab (seat);
}
if (keyboard != NULL) {
gdk_seat_ungrab (seat);
}
/* Stop the event because we don't want anyone else dealing with it. */
display = gtk_widget_get_display (GTK_WIDGET (icon_container));
gdk_display_flush (display);
g_signal_stop_emission_by_name (icon_container, "middle_click");
/* build an X event to represent the middle click. */
x_event.type = ButtonPress;
x_event.send_event = True;
x_event.display = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
x_event.window = GDK_ROOT_WINDOW ();
x_event.root = GDK_ROOT_WINDOW ();
x_event.subwindow = 0;
x_event.time = event->time;
x_event.x = event->x;
x_event.y = event->y;
x_event.x_root = event->x_root;
x_event.y_root = event->y_root;
x_event.state = event->state;
x_event.button = event->button;
x_event.same_screen = True;
/* Send it to the root window, the window manager will handle it. */
XSendEvent (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), GDK_ROOT_WINDOW (), True,
ButtonPressMask, (XEvent *) &x_event);
}
static void
unrealized_callback (GtkWidget *widget, FMDesktopIconView *desktop_icon_view)
{
g_return_if_fail (desktop_icon_view->priv->root_window != NULL);
/* Remove the property filter */
gdk_window_remove_filter (desktop_icon_view->priv->root_window,
desktop_icon_view_property_filter,
desktop_icon_view);
desktop_icon_view->priv->root_window = NULL;
}
static void
realized_callback (GtkWidget *widget, FMDesktopIconView *desktop_icon_view)
{
GdkWindow *root_window;
GdkScreen *screen;
GtkAllocation allocation;
gint scale;
g_return_if_fail (desktop_icon_view->priv->root_window == NULL);
screen = gtk_widget_get_screen (widget);
scale = gtk_widget_get_scale_factor (widget);
/* Ugly HACK for the problem that the views realize at the
* wrong size and then get resized. (This is a problem with
* MateComponentPlug.) This was leading to problems where initial
* layout was done at 60x60 stacking all desktop icons in
* the top left corner.
*/
allocation.x = 0;
allocation.y = 0;
allocation.width = WidthOfScreen (gdk_x11_screen_get_xscreen (screen)) / scale;
allocation.height = HeightOfScreen (gdk_x11_screen_get_xscreen (screen)) / scale;
gtk_widget_size_allocate (GTK_WIDGET(get_icon_container(desktop_icon_view)),
&allocation);
root_window = gdk_screen_get_root_window (screen);
desktop_icon_view->priv->root_window = root_window;
/* Read out the workarea geometry and update the icon container accordingly */
net_workarea_changed (desktop_icon_view, root_window);
/* Setup the property filter */
gdk_window_set_events (root_window, GDK_PROPERTY_CHANGE_MASK);
gdk_window_add_filter (root_window,
desktop_icon_view_property_filter,
desktop_icon_view);
}
static CajaZoomLevel
get_default_zoom_level (void)
{
static gboolean auto_storage_added = FALSE;
static CajaZoomLevel default_zoom_level = CAJA_ZOOM_LEVEL_STANDARD;
if (!auto_storage_added)
{
auto_storage_added = TRUE;
eel_g_settings_add_auto_enum (caja_icon_view_preferences,
CAJA_PREFERENCES_ICON_VIEW_DEFAULT_ZOOM_LEVEL,
(int *) &default_zoom_level);
}
return CLAMP (default_zoom_level, CAJA_ZOOM_LEVEL_SMALLEST, CAJA_ZOOM_LEVEL_LARGEST);
}
static void
default_zoom_level_changed (gpointer user_data)
{
CajaZoomLevel new_level;
FMDesktopIconView *desktop_icon_view;
desktop_icon_view = FM_DESKTOP_ICON_VIEW (user_data);
new_level = get_default_zoom_level ();
caja_icon_container_set_zoom_level (get_icon_container (desktop_icon_view),
new_level);
}
static gboolean
do_desktop_rescan (gpointer data)
{
FMDesktopIconView *desktop_icon_view;
struct stat buf;
desktop_icon_view = FM_DESKTOP_ICON_VIEW (data);
if (desktop_icon_view->priv->pending_rescan)
{
return TRUE;
}
if (stat (desktop_directory, &buf) == -1)
{
return TRUE;
}
if (buf.st_ctime == desktop_dir_modify_time)
{
return TRUE;
}
desktop_icon_view->priv->pending_rescan = TRUE;
caja_directory_force_reload (
fm_directory_view_get_model (
FM_DIRECTORY_VIEW (desktop_icon_view)));
return TRUE;
}
static void
done_loading (CajaDirectory *model,
FMDesktopIconView *desktop_icon_view)
{
struct stat buf;
desktop_icon_view->priv->pending_rescan = FALSE;
if (stat (desktop_directory, &buf) == -1)
{
return;
}
desktop_dir_modify_time = buf.st_ctime;
}
/* This function is used because the CajaDirectory model does not
* exist always in the desktop_icon_view, so we wait until it has been
* instantiated.
*/
static void
delayed_init (FMDesktopIconView *desktop_icon_view)
{
/* Keep track of the load time. */
g_signal_connect_object (fm_directory_view_get_model (FM_DIRECTORY_VIEW (desktop_icon_view)),
"done_loading",
G_CALLBACK (done_loading), desktop_icon_view, 0);
/* Monitor desktop directory. */
desktop_icon_view->priv->reload_desktop_timeout =
g_timeout_add_seconds (RESCAN_TIMEOUT, do_desktop_rescan, desktop_icon_view);
g_signal_handler_disconnect (desktop_icon_view,
desktop_icon_view->priv->delayed_init_signal);
desktop_icon_view->priv->delayed_init_signal = 0;
}
static void
font_changed_callback (gpointer callback_data)
{
g_return_if_fail (FM_IS_DESKTOP_ICON_VIEW (callback_data));
fm_desktop_icon_view_update_icon_container_fonts (FM_DESKTOP_ICON_VIEW (callback_data));
}
static void
fm_desktop_icon_view_update_icon_container_fonts (FMDesktopIconView *icon_view)
{
CajaIconContainer *icon_container;
char *font;
icon_container = get_icon_container (icon_view);
g_assert (icon_container != NULL);
font = g_settings_get_string (caja_desktop_preferences, CAJA_PREFERENCES_DESKTOP_FONT);
caja_icon_container_set_font (icon_container, font);
g_free (font);
}
static void
fm_desktop_icon_view_init (FMDesktopIconView *desktop_icon_view)
{
CajaIconContainer *icon_container;
GtkAllocation allocation;
GtkAdjustment *hadj, *vadj;
desktop_icon_view->priv = fm_desktop_icon_view_get_instance_private (desktop_icon_view);
if (desktop_directory == NULL)
{
g_signal_connect_swapped (caja_preferences, "changed::" CAJA_PREFERENCES_DESKTOP_IS_HOME_DIR,
G_CALLBACK(desktop_directory_changed_callback),
NULL);
desktop_directory_changed_callback (NULL);
}
fm_icon_view_filter_by_screen (FM_ICON_VIEW (desktop_icon_view), TRUE);
icon_container = get_icon_container (desktop_icon_view);
caja_icon_container_set_use_drop_shadows (icon_container, TRUE);
fm_icon_container_set_sort_desktop (FM_ICON_CONTAINER (icon_container), TRUE);
/* Do a reload on the desktop if we don't have FAM, a smarter
* way to keep track of the items on the desktop.
*/
if (!caja_monitor_active ())
{
desktop_icon_view->priv->delayed_init_signal = g_signal_connect_object
(desktop_icon_view, "begin_loading",
G_CALLBACK (delayed_init), desktop_icon_view, 0);
}
caja_icon_container_set_is_fixed_size (icon_container, TRUE);
caja_icon_container_set_is_desktop (icon_container, TRUE);
caja_icon_container_set_store_layout_timestamps (icon_container, TRUE);
/* Set allocation to be at 0, 0 */
gtk_widget_get_allocation (GTK_WIDGET (icon_container), &allocation);
allocation.x = 0;
allocation.y = 0;
gtk_widget_set_allocation (GTK_WIDGET (icon_container), &allocation);
gtk_widget_queue_resize (GTK_WIDGET (icon_container));
hadj = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (icon_container));
vadj = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (icon_container));
gtk_adjustment_set_value (hadj, 0);
gtk_adjustment_set_value (vadj, 0);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (desktop_icon_view),
GTK_SHADOW_NONE);
gtk_scrolled_window_set_overlay_scrolling (GTK_SCROLLED_WINDOW (desktop_icon_view), FALSE);
fm_directory_view_ignore_hidden_file_preferences
(FM_DIRECTORY_VIEW (desktop_icon_view));
fm_directory_view_set_show_foreign (FM_DIRECTORY_VIEW (desktop_icon_view),
FALSE);
/* Set our default layout mode */
caja_icon_container_set_layout_mode (icon_container,
gtk_widget_get_direction (GTK_WIDGET(icon_container)) == GTK_TEXT_DIR_RTL ?
CAJA_ICON_LAYOUT_T_B_R_L :
CAJA_ICON_LAYOUT_T_B_L_R);
g_signal_connect_object (icon_container, "middle_click",
G_CALLBACK (fm_desktop_icon_view_handle_middle_click), desktop_icon_view, 0);
g_signal_connect_object (desktop_icon_view, "realize",
G_CALLBACK (realized_callback), desktop_icon_view, 0);
g_signal_connect_object (desktop_icon_view, "unrealize",
G_CALLBACK (unrealized_callback), desktop_icon_view, 0);
default_zoom_level_changed (desktop_icon_view);
g_signal_connect_swapped (caja_icon_view_preferences,
"changed::" CAJA_PREFERENCES_ICON_VIEW_DEFAULT_ZOOM_LEVEL,
G_CALLBACK (default_zoom_level_changed),
desktop_icon_view);
g_signal_connect_swapped (caja_desktop_preferences,
"changed::" CAJA_PREFERENCES_DESKTOP_FONT,
G_CALLBACK (font_changed_callback),
desktop_icon_view);
fm_desktop_icon_view_update_icon_container_fonts (desktop_icon_view);
g_signal_connect_swapped (mate_lockdown_preferences,
"changed::" CAJA_PREFERENCES_LOCKDOWN_COMMAND_LINE,
G_CALLBACK (fm_directory_view_update_menus),
desktop_icon_view);
}
static void
action_new_launcher_callback (GtkAction *action, gpointer data)
{
char *desktop_directory;
g_assert (FM_DIRECTORY_VIEW (data));
desktop_directory = caja_get_desktop_directory ();
caja_launch_application_from_command (gtk_widget_get_screen (GTK_WIDGET (data)),
"mate-desktop-item-edit",
"mate-desktop-item-edit",
FALSE,
"--create-new", desktop_directory, NULL);
g_free (desktop_directory);
}
static void
action_change_background_callback (GtkAction *action,
gpointer data)
{
g_assert (FM_DIRECTORY_VIEW (data));
caja_launch_application_from_command (gtk_widget_get_screen (GTK_WIDGET (data)),
_("Background"),
"mate-appearance-properties",
FALSE,
"--show-page=background", NULL);
}
static void
action_empty_trash_conditional_callback (GtkAction *action,
gpointer data)
{
g_assert (FM_IS_DIRECTORY_VIEW (data));
caja_file_operations_empty_trash (GTK_WIDGET (data));
}
static gboolean
trash_link_is_selection (FMDirectoryView *view)
{
GList *selection;
CajaDesktopLink *link;
gboolean result;
result = FALSE;
selection = fm_directory_view_get_selection (view);
if (eel_g_list_exactly_one_item (selection) &&
CAJA_IS_DESKTOP_ICON_FILE (selection->data))
{
link = caja_desktop_icon_file_get_link (CAJA_DESKTOP_ICON_FILE (selection->data));
/* link may be NULL if the link was recently removed (unmounted) */
if (link != NULL &&
caja_desktop_link_get_link_type (link) == CAJA_DESKTOP_LINK_TRASH)
{
result = TRUE;
}
if (link)
{
g_object_unref (link);
}
}
caja_file_list_free (selection);
return result;
}
static void
real_update_menus (FMDirectoryView *view)
{
FMDesktopIconView *desktop_view;
char *label;
gboolean disable_command_line;
gboolean include_empty_trash;
GtkAction *action;
g_assert (FM_IS_DESKTOP_ICON_VIEW (view));
FM_DIRECTORY_VIEW_CLASS (fm_desktop_icon_view_parent_class)->update_menus (view);
desktop_view = FM_DESKTOP_ICON_VIEW (view);
/* New Launcher */
disable_command_line = g_settings_get_boolean (mate_lockdown_preferences, CAJA_PREFERENCES_LOCKDOWN_COMMAND_LINE);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
action = gtk_action_group_get_action (desktop_view->priv->desktop_action_group,
FM_ACTION_NEW_LAUNCHER_DESKTOP);
gtk_action_set_visible (action,
!disable_command_line);
G_GNUC_END_IGNORE_DEPRECATIONS;
/* Empty Trash */
include_empty_trash = trash_link_is_selection (view);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
action = gtk_action_group_get_action (desktop_view->priv->desktop_action_group,
FM_ACTION_EMPTY_TRASH_CONDITIONAL);
gtk_action_set_visible (action,
include_empty_trash);
G_GNUC_END_IGNORE_DEPRECATIONS;
if (include_empty_trash)
{
label = g_strdup (_("E_mpty Trash"));
g_object_set (action , "label", label, NULL);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
gtk_action_set_sensitive (action,
!caja_trash_monitor_is_empty ());
G_GNUC_END_IGNORE_DEPRECATIONS;
g_free (label);
}
}
static const GtkActionEntry desktop_view_entries[] =
{
/* name, stock id */
{
"New Launcher Desktop", NULL,
/* label, accelerator */
N_("Create L_auncher..."), NULL,
/* tooltip */
N_("Create a new launcher"),
G_CALLBACK (action_new_launcher_callback)
},
/* name, stock id */
{
"Change Background", NULL,
/* label, accelerator */
N_("Change Desktop _Background"), NULL,
/* tooltip */
N_("Show a window that lets you set your desktop background's pattern or color"),
G_CALLBACK (action_change_background_callback)
},
/* name, stock id */
{
"Empty Trash Conditional", NULL,
/* label, accelerator */
N_("Empty Trash"), NULL,
/* tooltip */
N_("Delete all items in the Trash"),
G_CALLBACK (action_empty_trash_conditional_callback)
},
};
static void
real_merge_menus (FMDirectoryView *view)
{
FMDesktopIconView *desktop_view;
GtkUIManager *ui_manager;
GtkActionGroup *action_group;
const char *ui;
FM_DIRECTORY_VIEW_CLASS (fm_desktop_icon_view_parent_class)->merge_menus (view);
desktop_view = FM_DESKTOP_ICON_VIEW (view);
ui_manager = fm_directory_view_get_ui_manager (view);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
action_group = gtk_action_group_new ("DesktopViewActions");
gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);
desktop_view->priv->desktop_action_group = action_group;
gtk_action_group_add_actions (action_group,
desktop_view_entries, G_N_ELEMENTS (desktop_view_entries),
view);
G_GNUC_END_IGNORE_DEPRECATIONS;
gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
g_object_unref (action_group); /* owned by ui manager */
ui = caja_ui_string_get ("caja-desktop-icon-view-ui.xml");
desktop_view->priv->desktop_merge_id =
gtk_ui_manager_add_ui_from_string (ui_manager, ui, -1, NULL);
}
static gboolean
real_supports_auto_layout (FMIconView *view)
{
/* Can't use auto-layout on the desktop, because doing so
* would cause all sorts of complications involving the
* fixed-size window.
*/
return FALSE;
}
static gboolean
real_supports_scaling (FMIconView *view)
{
return TRUE;
}
static gboolean
real_supports_keep_aligned (FMIconView *view)
{
return TRUE;
}
static gboolean
real_supports_labels_beside_icons (FMIconView *view)
{
return FALSE;
}
static gboolean
real_supports_zooming (FMDirectoryView *view)
{
/* Can't zoom on the desktop, because doing so would cause all
* sorts of complications involving the fixed-size window.
*/
return FALSE;
}
static CajaView *
fm_desktop_icon_view_create (CajaWindowSlotInfo *slot)
{
FMIconView *view;
view = g_object_new (FM_TYPE_DESKTOP_ICON_VIEW,
"window-slot", slot,
NULL);
return CAJA_VIEW (view);
}
static gboolean
fm_desktop_icon_view_supports_uri (const char *uri,
GFileType file_type,
const char *mime_type)
{
if (g_str_has_prefix (uri, EEL_DESKTOP_URI))
{
return TRUE;
}
return FALSE;
}
static CajaViewInfo fm_desktop_icon_view =
{
FM_DESKTOP_ICON_VIEW_ID,
"Desktop View",
"_Desktop",
N_("The desktop view encountered an error."),
N_("The desktop view encountered an error while starting up."),
"Display this location with the desktop view.",
fm_desktop_icon_view_create,
fm_desktop_icon_view_supports_uri
};
void
fm_desktop_icon_view_register (void)
{
fm_desktop_icon_view.error_label = _(fm_desktop_icon_view.error_label);
fm_desktop_icon_view.startup_error_label = _(fm_desktop_icon_view.startup_error_label);
caja_view_factory_register (&fm_desktop_icon_view);
}
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