gnome-control-center/capplets/appearance/gnome-wp-item.c

306 lines
8.9 KiB
C

/*
* Authors: Rodney Dawes <dobey@ximian.com>
*
* Copyright 2003-2006 Novell, Inc. (www.novell.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License
* as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
*
*/
#include <config.h>
#include <glib/gi18n.h>
#include <gconf/gconf-client.h>
#include <string.h>
#include "gnome-wp-item.h"
static GConfEnumStringPair options_lookup[] = {
{ GNOME_BG_PLACEMENT_CENTERED, "centered" },
{ GNOME_BG_PLACEMENT_FILL_SCREEN, "stretched" },
{ GNOME_BG_PLACEMENT_SCALED, "scaled" },
{ GNOME_BG_PLACEMENT_ZOOMED, "zoom" },
{ GNOME_BG_PLACEMENT_TILED, "wallpaper" },
{ 0, NULL }
};
static GConfEnumStringPair shade_lookup[] = {
{ GNOME_BG_COLOR_SOLID, "solid" },
{ GNOME_BG_COLOR_H_GRADIENT, "horizontal-gradient" },
{ GNOME_BG_COLOR_V_GRADIENT, "vertical-gradient" },
{ 0, NULL }
};
const gchar *wp_item_option_to_string (GnomeBGPlacement type)
{
return gconf_enum_to_string (options_lookup, type);
}
const gchar *wp_item_shading_to_string (GnomeBGColorType type)
{
return gconf_enum_to_string (shade_lookup, type);
}
GnomeBGPlacement wp_item_string_to_option (const gchar *option)
{
int i = GNOME_BG_PLACEMENT_SCALED;
gconf_string_to_enum (options_lookup, option, &i);
return i;
}
GnomeBGColorType wp_item_string_to_shading (const gchar *shade_type)
{
int i = GNOME_BG_COLOR_SOLID;
gconf_string_to_enum (shade_lookup, shade_type, &i);
return i;
}
static void set_bg_properties (GnomeWPItem *item)
{
if (item->filename)
gnome_bg_set_filename (item->bg, item->filename);
gnome_bg_set_color (item->bg, item->shade_type, item->pcolor, item->scolor);
gnome_bg_set_placement (item->bg, item->options);
}
void gnome_wp_item_ensure_gnome_bg (GnomeWPItem *item)
{
if (!item->bg) {
item->bg = gnome_bg_new ();
set_bg_properties (item);
}
}
void gnome_wp_item_update (GnomeWPItem *item) {
GConfClient *client;
GdkColor color1 = { 0, 0, 0, 0 }, color2 = { 0, 0, 0, 0 };
gchar *s;
client = gconf_client_get_default ();
s = gconf_client_get_string (client, WP_OPTIONS_KEY, NULL);
item->options = wp_item_string_to_option (s);
g_free (s);
s = gconf_client_get_string (client, WP_SHADING_KEY, NULL);
item->shade_type = wp_item_string_to_shading (s);
g_free (s);
s = gconf_client_get_string (client, WP_PCOLOR_KEY, NULL);
if (s != NULL) {
gdk_color_parse (s, &color1);
g_free (s);
}
s = gconf_client_get_string (client, WP_SCOLOR_KEY, NULL);
if (s != NULL) {
gdk_color_parse (s, &color2);
g_free (s);
}
g_object_unref (client);
if (item->pcolor != NULL)
gdk_color_free (item->pcolor);
if (item->scolor != NULL)
gdk_color_free (item->scolor);
item->pcolor = gdk_color_copy (&color1);
item->scolor = gdk_color_copy (&color2);
}
GnomeWPItem * gnome_wp_item_new (const gchar * filename,
GHashTable * wallpapers,
GnomeDesktopThumbnailFactory * thumbnails) {
GnomeWPItem *item = g_new0 (GnomeWPItem, 1);
item->filename = g_strdup (filename);
item->fileinfo = gnome_wp_info_new (filename, thumbnails);
if (item->fileinfo != NULL && item->fileinfo->mime_type != NULL &&
(g_str_has_prefix (item->fileinfo->mime_type, "image/") ||
strcmp (item->fileinfo->mime_type, "application/xml") == 0)) {
if (g_utf8_validate (item->fileinfo->name, -1, NULL))
item->name = g_strdup (item->fileinfo->name);
else
item->name = g_filename_to_utf8 (item->fileinfo->name, -1, NULL,
NULL, NULL);
gnome_wp_item_update (item);
gnome_wp_item_ensure_gnome_bg (item);
gnome_wp_item_update_description (item);
g_hash_table_insert (wallpapers, item->filename, item);
} else {
gnome_wp_item_free (item);
item = NULL;
}
return item;
}
void gnome_wp_item_free (GnomeWPItem * item) {
if (item == NULL) {
return;
}
g_free (item->name);
g_free (item->filename);
g_free (item->description);
if (item->pcolor != NULL)
gdk_color_free (item->pcolor);
if (item->scolor != NULL)
gdk_color_free (item->scolor);
gnome_wp_info_free (item->fileinfo);
if (item->bg)
g_object_unref (item->bg);
gtk_tree_row_reference_free (item->rowref);
g_free (item);
}
static GdkPixbuf *
add_slideshow_frame (GdkPixbuf *pixbuf)
{
GdkPixbuf *sheet, *sheet2;
GdkPixbuf *tmp;
gint w, h;
w = gdk_pixbuf_get_width (pixbuf);
h = gdk_pixbuf_get_height (pixbuf);
sheet = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, w, h);
gdk_pixbuf_fill (sheet, 0x00000000);
sheet2 = gdk_pixbuf_new_subpixbuf (sheet, 1, 1, w - 2, h - 2);
gdk_pixbuf_fill (sheet2, 0xffffffff);
g_object_unref (sheet2);
tmp = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, w + 6, h + 6);
gdk_pixbuf_fill (tmp, 0x00000000);
gdk_pixbuf_composite (sheet, tmp, 6, 6, w, h, 6.0, 6.0, 1.0, 1.0, GDK_INTERP_NEAREST, 255);
gdk_pixbuf_composite (sheet, tmp, 3, 3, w, h, 3.0, 3.0, 1.0, 1.0, GDK_INTERP_NEAREST, 255);
gdk_pixbuf_composite (pixbuf, tmp, 0, 0, w, h, 0.0, 0.0, 1.0, 1.0, GDK_INTERP_NEAREST, 255);
g_object_unref (sheet);
return tmp;
}
GdkPixbuf * gnome_wp_item_get_frame_thumbnail (GnomeWPItem * item,
GnomeDesktopThumbnailFactory * thumbs,
int width,
int height,
gint frame) {
GdkPixbuf *pixbuf = NULL;
set_bg_properties (item);
if (frame != -1)
pixbuf = gnome_bg_create_frame_thumbnail (item->bg, thumbs, gdk_screen_get_default (), width, height, frame);
else
pixbuf = gnome_bg_create_thumbnail (item->bg, thumbs, gdk_screen_get_default(), width, height);
if (pixbuf && gnome_bg_changes_with_time (item->bg))
{
GdkPixbuf *tmp;
tmp = add_slideshow_frame (pixbuf);
g_object_unref (pixbuf);
pixbuf = tmp;
}
gnome_bg_get_image_size (item->bg, thumbs, width, height, &item->width, &item->height);
return pixbuf;
}
GdkPixbuf * gnome_wp_item_get_thumbnail (GnomeWPItem * item,
GnomeDesktopThumbnailFactory * thumbs,
gint width,
gint height) {
return gnome_wp_item_get_frame_thumbnail (item, thumbs, width, height, -1);
}
void gnome_wp_item_update_description (GnomeWPItem * item) {
g_free (item->description);
if (!strcmp (item->filename, "(none)")) {
item->description = g_strdup (item->name);
} else {
const gchar *description;
gchar *size;
gchar *dirname = g_path_get_dirname (item->filename);
description = NULL;
size = NULL;
if (strcmp (item->fileinfo->mime_type, "application/xml") == 0)
{
if (gnome_bg_changes_with_time (item->bg))
description = _("Slide Show");
else if (item->width > 0 && item->height > 0)
description = _("Image");
}
else
description = g_content_type_get_description (item->fileinfo->mime_type);
if (gnome_bg_has_multiple_sizes (item->bg))
size = g_strdup (_("multiple sizes"));
else if (item->width > 0 && item->height > 0) {
/* translators: x pixel(s) by y pixel(s) */
size = g_strdup_printf ("%d %s by %d %s",
item->width,
ngettext ("pixel", "pixels", item->width),
item->height,
ngettext ("pixel", "pixels", item->height));
}
if (description && size) {
/* translators: <b>wallpaper name</b>
* mime type, size
* Folder: /path/to/file
*/
item->description = g_markup_printf_escaped (_("<b>%s</b>\n"
"%s, %s\n"
"Folder: %s"),
item->name,
description,
size,
dirname);
} else {
/* translators: <b>wallpaper name</b>
* Image missing
* Folder: /path/to/file
*/
item->description = g_markup_printf_escaped (_("<b>%s</b>\n"
"%s\n"
"Folder: %s"),
item->name,
_("Image missing"),
dirname);
}
g_free (size);
g_free (dirname);
}
}