implement theme saving

2007-06-24  Jens Granseuer  <jensgr@gmx.net>

	* Makefile.am:
	* appearance-themes.c: (theme_selection_changed_cb),
	(theme_save_cb), (themes_init), (themes_shutdown):
	* appearance.glade:
	* appearance.h:
	* theme-save.c:
	* theme-save.h:
	* theme-util.h: implement theme saving

svn path=/trunk/; revision=7771
This commit is contained in:
Jens Granseuer 2007-06-24 11:04:27 +00:00 committed by Jens Granseuer
parent 4dd7379dbf
commit 122df3a8d0
8 changed files with 646 additions and 2 deletions

View file

@ -1,3 +1,14 @@
2007-06-24 Jens Granseuer <jensgr@gmx.net>
* Makefile.am:
* appearance-themes.c: (theme_selection_changed_cb),
(theme_save_cb), (themes_init), (themes_shutdown):
* appearance.glade:
* appearance.h:
* theme-save.c:
* theme-save.h:
* theme-util.h: implement theme saving
2007-06-23 Jens Granseuer <jensgr@gmx.net>
* appearance-style.c: rearranged functions (no code changes)

View file

@ -26,6 +26,8 @@ gnome_appearance_properties_SOURCES = \
gnome-wp-xml.h \
theme-installer.c \
theme-installer.h \
theme-save.c \
theme-save.h \
theme-util.c \
theme-util.h \
wp-cellrenderer.c \

View file

@ -320,6 +320,7 @@ theme_selection_changed_cb (GtkWidget *icon_view, AppearanceData *data)
{
GList *selection;
GnomeThemeMetaInfo *theme = NULL;
gboolean is_custom = FALSE;
selection = gtk_icon_view_get_selected_items (GTK_ICON_VIEW (icon_view));
@ -332,7 +333,9 @@ theme_selection_changed_cb (GtkWidget *icon_view, AppearanceData *data)
gtk_tree_model_get_iter (model, &iter, selection->data);
gtk_tree_model_get (model, &iter, COL_NAME, &name, -1);
if (!strcmp (name, CUSTOM_THEME_NAME))
is_custom = !strcmp (name, CUSTOM_THEME_NAME);
if (is_custom)
theme = data->theme_custom;
else
theme = gnome_theme_meta_info_find (name);
@ -347,6 +350,7 @@ theme_selection_changed_cb (GtkWidget *icon_view, AppearanceData *data)
gtk_widget_set_sensitive (glade_xml_get_widget (data->xml, "theme_delete"),
gnome_theme_is_writable (theme, GNOME_THEME_TYPE_METATHEME));
gtk_widget_set_sensitive (glade_xml_get_widget (data->xml, "theme_save"), is_custom);
}
static void
@ -364,6 +368,12 @@ theme_custom_cb (GtkWidget *button, AppearanceData *data)
gtk_widget_show_all (w);
}
static void
theme_save_cb (GtkWidget *button, AppearanceData *data)
{
theme_save_dialog_run (data->theme_custom, data);
}
static void
theme_install_cb (GtkWidget *button, AppearanceData *data)
{
@ -494,6 +504,7 @@ themes_init (AppearanceData *data)
gnome_wm_manager_init ();
data->theme_queue = NULL;
data->theme_save_dialog = NULL;
data->theme_custom = gnome_theme_meta_info_new ();
data->theme_icon = gdk_pixbuf_new_from_file (GNOMECC_PIXMAP_DIR "/theme-thumbnailing.png", NULL);
data->theme_store = theme_store =
@ -553,6 +564,7 @@ themes_init (AppearanceData *data)
/* connect button signals */
g_signal_connect (w, "clicked", (GCallback) theme_install_cb, data);
g_signal_connect (glade_xml_get_widget (data->xml, "theme_save"), "clicked", (GCallback) theme_save_cb, data);
g_signal_connect (glade_xml_get_widget (data->xml, "theme_custom"), "clicked", (GCallback) theme_custom_cb, data);
g_signal_connect (del_button, "clicked", (GCallback) theme_delete_cb, data);
@ -571,4 +583,6 @@ themes_shutdown (AppearanceData *data)
if (data->theme_icon)
g_object_unref (data->theme_icon);
if (data->theme_save_dialog)
gtk_widget_destroy (data->theme_save_dialog);
}

View file

@ -679,6 +679,19 @@
<property name="position">1</property>
</packing>
</child>
<child>
<widget class="GtkButton" id="theme_save">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
<property name="label">gtk-save-as</property>
<property name="use_stock">True</property>
<property name="sensitive">False</property>
</widget>
<packing>
<property name="position">2</property>
</packing>
</child>
<child>
<widget class="GtkButton" id="theme_custom">
<property name="visible">True</property>
@ -688,7 +701,7 @@
<property name="use_underline">True</property>
</widget>
<packing>
<property name="position">2</property>
<property name="position">3</property>
</packing>
</child>
</widget>
@ -2369,4 +2382,223 @@ Text only</property>
</widget>
</child>
</widget>
<widget class="GtkDialog" id="theme_save_dialog">
<property name="border_width">6</property>
<property name="title" translatable="yes">Save Theme As...</property>
<property name="type">GTK_WINDOW_TOPLEVEL</property>
<property name="window_position">GTK_WIN_POS_NONE</property>
<property name="modal">True</property>
<property name="resizable">True</property>
<property name="destroy_with_parent">False</property>
<property name="decorated">True</property>
<property name="skip_taskbar_hint">False</property>
<property name="skip_pager_hint">False</property>
<property name="type_hint">GDK_WINDOW_TYPE_HINT_DIALOG</property>
<property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
<property name="focus_on_map">True</property>
<property name="urgency_hint">False</property>
<property name="has_separator">False</property>
<child internal-child="vbox">
<widget class="GtkVBox" id="dialog-vbox3">
<property name="visible">True</property>
<property name="homogeneous">False</property>
<property name="spacing">2</property>
<child internal-child="action_area">
<widget class="GtkHButtonBox" id="dialog-action_area3">
<property name="visible">True</property>
<property name="layout_style">GTK_BUTTONBOX_END</property>
<child>
<widget class="GtkButton" id="save_dialog_cancel_button">
<property name="visible">True</property>
<property name="can_default">True</property>
<property name="can_focus">True</property>
<property name="label">gtk-cancel</property>
<property name="use_stock">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
<property name="focus_on_click">True</property>
<property name="response_id">-6</property>
</widget>
</child>
<child>
<widget class="GtkButton" id="save_dialog_save_button">
<property name="visible">True</property>
<property name="can_default">True</property>
<property name="has_default">True</property>
<property name="can_focus">True</property>
<property name="label">gtk-save</property>
<property name="use_stock">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
<property name="focus_on_click">True</property>
<property name="response_id">-5</property>
</widget>
</child>
</widget>
<packing>
<property name="padding">0</property>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="pack_type">GTK_PACK_END</property>
</packing>
</child>
<child>
<widget class="GtkTable" id="table3">
<property name="border_width">6</property>
<property name="visible">True</property>
<property name="n_rows">3</property>
<property name="n_columns">2</property>
<property name="homogeneous">False</property>
<property name="row_spacing">6</property>
<property name="column_spacing">12</property>
<child>
<widget class="GtkEntry" id="save_dialog_entry">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="editable">True</property>
<property name="visibility">True</property>
<property name="max_length">0</property>
<property name="text" translatable="yes"></property>
<property name="has_frame">True</property>
<property name="activates_default">True</property>
</widget>
<packing>
<property name="left_attach">1</property>
<property name="right_attach">2</property>
<property name="top_attach">0</property>
<property name="bottom_attach">1</property>
<property name="y_options"></property>
</packing>
</child>
<child>
<widget class="GtkLabel" id="label49">
<property name="visible">True</property>
<property name="label" translatable="yes">_Name:</property>
<property name="use_underline">True</property>
<property name="use_markup">False</property>
<property name="justify">GTK_JUSTIFY_LEFT</property>
<property name="wrap">False</property>
<property name="selectable">False</property>
<property name="xalign">0</property>
<property name="yalign">0.5</property>
<property name="xpad">0</property>
<property name="ypad">0</property>
<property name="mnemonic_widget">save_dialog_entry</property>
<property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
<property name="width_chars">-1</property>
<property name="single_line_mode">False</property>
<property name="angle">0</property>
</widget>
<packing>
<property name="left_attach">0</property>
<property name="right_attach">1</property>
<property name="top_attach">0</property>
<property name="bottom_attach">1</property>
<property name="x_options">fill</property>
<property name="y_options">fill</property>
</packing>
</child>
<child>
<widget class="GtkScrolledWindow" id="scrolledwindow4">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="hscrollbar_policy">GTK_POLICY_NEVER</property>
<property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
<property name="shadow_type">GTK_SHADOW_IN</property>
<property name="window_placement">GTK_CORNER_TOP_LEFT</property>
<child>
<widget class="GtkTextView" id="save_dialog_textview">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="editable">True</property>
<property name="overwrite">False</property>
<property name="accepts_tab">False</property>
<property name="justification">GTK_JUSTIFY_LEFT</property>
<property name="wrap_mode">GTK_WRAP_WORD</property>
<property name="cursor_visible">True</property>
<property name="pixels_above_lines">0</property>
<property name="pixels_below_lines">0</property>
<property name="pixels_inside_wrap">0</property>
<property name="left_margin">0</property>
<property name="right_margin">0</property>
<property name="indent">0</property>
<property name="text" translatable="yes"></property>
</widget>
</child>
</widget>
<packing>
<property name="left_attach">1</property>
<property name="right_attach">2</property>
<property name="top_attach">1</property>
<property name="bottom_attach">2</property>
</packing>
</child>
<child>
<widget class="GtkLabel" id="label50">
<property name="visible">True</property>
<property name="label" translatable="yes">_Description:</property>
<property name="use_underline">True</property>
<property name="use_markup">False</property>
<property name="justify">GTK_JUSTIFY_LEFT</property>
<property name="wrap">False</property>
<property name="selectable">False</property>
<property name="xalign">0</property>
<property name="yalign">0</property>
<property name="xpad">0</property>
<property name="ypad">0</property>
<property name="mnemonic_widget">scrolledwindow4</property>
<property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
<property name="width_chars">-1</property>
<property name="single_line_mode">False</property>
<property name="angle">0</property>
</widget>
<packing>
<property name="left_attach">0</property>
<property name="right_attach">1</property>
<property name="top_attach">1</property>
<property name="bottom_attach">2</property>
<property name="x_options">fill</property>
<property name="y_options">fill</property>
</packing>
</child>
<child>
<widget class="GtkCheckButton" id="save_background_checkbutton">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="label" translatable="yes">Save _Background Image</property>
<property name="use_underline">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
<property name="focus_on_click">True</property>
<property name="active">False</property>
<property name="inconsistent">False</property>
<property name="draw_indicator">True</property>
</widget>
<packing>
<property name="left_attach">1</property>
<property name="right_attach">2</property>
<property name="top_attach">2</property>
<property name="bottom_attach">3</property>
<property name="x_options">fill</property>
<property name="y_options"></property>
</packing>
</child>
</widget>
<packing>
<property name="padding">0</property>
<property name="expand">True</property>
<property name="fill">True</property>
</packing>
</child>
</widget>
</child>
</widget>
</glade-interface>

View file

@ -56,4 +56,5 @@ typedef struct {
GSList *theme_queue;
GnomeThemeMetaInfo *theme_custom;
GdkPixbuf *theme_icon;
GtkWidget *theme_save_dialog;
} AppearanceData;

View file

@ -0,0 +1,361 @@
/*
* Copyright (C) 2007 The GNOME Foundation
* Written by Thomas Wood <thos@gnome.org>
* Jens Granseuer <jensgr@gmx.net>
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "appearance.h"
#include <libgnomevfs/gnome-vfs-ops.h>
#include "theme-save.h"
#include "theme-util.h"
#include "capplet-util.h"
static GQuark error_quark;
enum {
INVALID_THEME_NAME
};
/* taken from gnome-desktop-item.c */
static gchar *
escape_string_and_dup (const gchar *s)
{
gchar *return_value, *p;
const gchar *q;
int len = 0;
if (s == NULL)
return g_strdup("");
q = s;
while (*q)
{
len++;
if (strchr ("\n\r\t\\", *q) != NULL)
len++;
q++;
}
return_value = p = (gchar *) g_malloc (len + 1);
do
{
switch (*s)
{
case '\t':
*p++ = '\\';
*p++ = 't';
break;
case '\n':
*p++ = '\\';
*p++ = 'n';
break;
case '\r':
*p++ = '\\';
*p++ = 'r';
break;
case '\\':
*p++ = '\\';
*p++ = '\\';
break;
default:
*p++ = *s;
}
}
while (*s++);
return return_value;
}
static gboolean
check_theme_name (const gchar *theme_name,
GError **error)
{
if (theme_name == NULL) {
g_set_error (error,
error_quark,
INVALID_THEME_NAME,
_("Theme name must be present"));
return FALSE;
}
return TRUE;
}
static gchar *
str_remove_slash (const gchar *src)
{
const gchar *i;
gchar *rtn;
gint len = 0;
i = src;
while (*i) {
if (*i != '/')
len++;
i++;
}
rtn = (gchar *) g_malloc (len + 1);
while (*src) {
if (*src != '/') {
*rtn = *src;
rtn++;
}
src++;
}
*rtn = '\0';
return rtn - len;
}
static gboolean
setup_directory_structure (const gchar *theme_name,
GError **error)
{
gchar *dir, *theme_name_dir;
GnomeVFSURI *uri;
gboolean retval = TRUE;
theme_name_dir = str_remove_slash (theme_name);
dir = g_build_filename (g_get_home_dir (), ".themes", NULL);
uri = gnome_vfs_uri_new (dir);
if (!gnome_vfs_uri_exists (uri))
gnome_vfs_make_directory_for_uri (uri, 0775);
gnome_vfs_uri_unref (uri);
g_free (dir);
dir = g_build_filename (g_get_home_dir (), ".themes", theme_name_dir, NULL);
uri = gnome_vfs_uri_new (dir);
if (!gnome_vfs_uri_exists (uri))
gnome_vfs_make_directory_for_uri (uri, 0775);
gnome_vfs_uri_unref (uri);
g_free (dir);
dir = g_build_filename (g_get_home_dir (), ".themes", theme_name_dir, "index.theme", NULL);
g_free (theme_name_dir);
uri = gnome_vfs_uri_new (dir);
g_free (dir);
if (gnome_vfs_uri_exists (uri)) {
GtkDialog *dialog;
GtkWidget *button;
gint response;
dialog = (GtkDialog *) gtk_message_dialog_new (NULL,
GTK_DIALOG_MODAL,
GTK_MESSAGE_QUESTION,
GTK_BUTTONS_CANCEL,
_("The theme already exists. Would you like to replace it?"));
button = gtk_dialog_add_button (dialog, _("_Overwrite"), GTK_RESPONSE_ACCEPT);
gtk_button_set_image (GTK_BUTTON (button),
gtk_image_new_from_stock (GTK_STOCK_SAVE, GTK_ICON_SIZE_BUTTON));
response = gtk_dialog_run (dialog);
gtk_widget_destroy (GTK_WIDGET (dialog));
retval = (response != GTK_RESPONSE_CANCEL);
}
gnome_vfs_uri_unref (uri);
return retval;
}
static gboolean
write_theme_to_disk (GnomeThemeMetaInfo *theme_info,
const gchar *theme_name,
const gchar *theme_description,
gboolean save_background,
GError **error)
{
gchar *dir, *theme_name_dir;
GnomeVFSURI *uri;
GnomeVFSURI *target_uri;
GnomeVFSHandle *handle = NULL;
GnomeVFSFileSize bytes_written;
gchar *str, *current_background;
GConfClient *client;
const gchar *theme_header =
"[Desktop Entry]\n"
"Name=%s\n"
"Type=X-GNOME-Metatheme\n"
"Comment=%s\n"
"Encoding=UTF-8\n"
"\n"
"[X-GNOME-Metatheme]\n"
"GtkTheme=%s\n"
"MetacityTheme=%s\n"
"IconTheme=%s\n";
theme_name_dir = str_remove_slash (theme_name);
dir = g_build_filename (g_get_home_dir (), ".themes", theme_name_dir, "index.theme~", NULL);
g_free (theme_name_dir);
uri = gnome_vfs_uri_new (dir);
dir [strlen (dir) - 1] = '\000';
target_uri = gnome_vfs_uri_new (dir);
g_free (dir);
gnome_vfs_create_uri (&handle, uri, GNOME_VFS_OPEN_READ | GNOME_VFS_OPEN_WRITE, FALSE, 0644);
gnome_vfs_truncate_handle (handle, 0);
/* start making the theme file */
str = g_strdup_printf (theme_header, theme_name, theme_description,
theme_info->gtk_theme_name,
theme_info->metacity_theme_name,
theme_info->icon_theme_name);
gnome_vfs_write (handle, str, strlen (str), &bytes_written);
g_free (str);
if (theme_info->gtk_color_scheme) {
gchar *a, *tmp;
tmp = g_strdup (theme_info->gtk_color_scheme);
for (a = tmp; *a != '\0'; a++)
if (*a == '\n')
*a = ',';
str = g_strdup_printf ("GtkColorScheme=%s\n", tmp);
gnome_vfs_write (handle, str, strlen (str), &bytes_written);
g_free (str);
g_free (tmp);
}
if (save_background) {
client = gconf_client_get_default ();
current_background = gconf_client_get_string (client, BACKGROUND_KEY, NULL);
if (current_background != NULL) {
str = g_strdup_printf ("BackgroundImage=%s\n", current_background);
gnome_vfs_write (handle, str, strlen (str), &bytes_written);
g_free (current_background);
g_free (str);
}
g_object_unref (client);
}
gnome_vfs_close (handle);
gnome_vfs_move_uri (uri, target_uri, TRUE);
gnome_vfs_uri_unref (uri);
gnome_vfs_uri_unref (target_uri);
return TRUE;
}
static gboolean
save_theme_to_disk (GnomeThemeMetaInfo *theme_info,
const gchar *theme_name,
const gchar *theme_description,
gboolean save_background,
GError **error)
{
if (!check_theme_name (theme_name, error))
return FALSE;
if (!setup_directory_structure (theme_name, error))
return FALSE;
if (!write_theme_to_disk (theme_info, theme_name, theme_description, save_background, error))
return FALSE;
return TRUE;
}
static void
save_dialog_response (GtkWidget *save_dialog,
gint response_id,
AppearanceData *data)
{
if (response_id == GTK_RESPONSE_OK) {
GtkWidget *entry;
GtkWidget *text_view;
GtkTextBuffer *buffer;
GtkTextIter start_iter;
GtkTextIter end_iter;
gchar *buffer_text;
GnomeThemeMetaInfo *theme_info;
gchar *theme_description = NULL;
gchar *theme_name = NULL;
gboolean save_background;
GError *error = NULL;
entry = glade_xml_get_widget (data->xml, "save_dialog_entry");
theme_name = escape_string_and_dup (gtk_entry_get_text (GTK_ENTRY (entry)));
text_view = glade_xml_get_widget (data->xml, "save_dialog_textview");
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
gtk_text_buffer_get_start_iter (buffer, &start_iter);
gtk_text_buffer_get_end_iter (buffer, &end_iter);
buffer_text = gtk_text_buffer_get_text (buffer, &start_iter, &end_iter, FALSE);
theme_description = escape_string_and_dup (buffer_text);
g_free (buffer_text);
theme_info = (GnomeThemeMetaInfo *) g_object_get_data (G_OBJECT (save_dialog), "meta-theme-info");
save_background = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (
glade_xml_get_widget (data->xml, "save_background_checkbutton")));
save_theme_to_disk (theme_info, theme_name, theme_description, save_background, &error);
g_free (theme_name);
g_free (theme_description);
g_clear_error (&error);
}
gtk_widget_hide (save_dialog);
}
static void
entry_text_changed (GtkEditable *editable,
GladeXML *dialog)
{
const gchar *text;
text = gtk_entry_get_text (GTK_ENTRY (editable));
gtk_widget_set_sensitive (glade_xml_get_widget (dialog, "save_dialog_save_button"),
text != NULL && text[0] != '\000');
}
void
theme_save_dialog_run (GnomeThemeMetaInfo *theme_info,
AppearanceData *data)
{
GtkWidget *entry;
GtkWidget *text_view;
GtkTextBuffer *text_buffer;
entry = glade_xml_get_widget (data->xml, "save_dialog_entry");
text_view = glade_xml_get_widget (data->xml, "save_dialog_textview");
if (data->theme_save_dialog == NULL) {
data->theme_save_dialog = glade_xml_get_widget (data->xml, "theme_save_dialog");
g_signal_connect (data->theme_save_dialog, "response", (GCallback) save_dialog_response, data);
g_signal_connect (data->theme_save_dialog, "delete-event", (GCallback) gtk_true, NULL);
g_signal_connect (entry, "changed", (GCallback) entry_text_changed, data->xml);
error_quark = g_quark_from_string ("gnome-theme-save");
gtk_widget_set_size_request (text_view, 300, 100);
}
gtk_entry_set_text (GTK_ENTRY (entry), "");
entry_text_changed (GTK_EDITABLE (entry), data->xml);
gtk_widget_grab_focus (entry);
text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
gtk_text_buffer_set_text (text_buffer, "", 0);
g_object_set_data (G_OBJECT (data->theme_save_dialog), "meta-theme-info", theme_info);
gtk_window_set_transient_for (GTK_WINDOW (data->theme_save_dialog),
GTK_WINDOW (glade_xml_get_widget (data->xml, "appearance_window")));
gtk_widget_show (data->theme_save_dialog);
}

View file

@ -0,0 +1,22 @@
/*
* Copyright (C) 2007 The GNOME Foundation
* Written by Jens Granseuer <jensgr@gmx.net>
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
void theme_save_dialog_run (GnomeThemeMetaInfo *theme_info,
AppearanceData *data);

View file

@ -24,6 +24,7 @@
#define COLOR_SCHEME_KEY "/desktop/gnome/interface/gtk_color_scheme"
#define CURSOR_THEME_KEY "/desktop/gnome/peripherals/mouse/cursor_theme"
#define LOCKDOWN_KEY "/desktop/gnome/lockdown/disable_theme_settings"
#define BACKGROUND_KEY "/desktop/gnome/background/picture_filename"
enum {
COL_THUMBNAIL,