e5896d700e
This feature was lost in 2.28, and people miss it. See bug 609809. Note that this adds one new string, 'Span', which appears in the 'Style' combobox in the background tab of the appearance capplet.
307 lines
9 KiB
C
307 lines
9 KiB
C
/*
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* Authors: Rodney Dawes <dobey@ximian.com>
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*
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* Copyright 2003-2006 Novell, Inc. (www.novell.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License
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* as published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
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*
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*/
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#include <config.h>
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#include <glib/gi18n.h>
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#include <gconf/gconf-client.h>
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#include <string.h>
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#include "gnome-wp-item.h"
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static GConfEnumStringPair options_lookup[] = {
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{ GNOME_BG_PLACEMENT_CENTERED, "centered" },
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{ GNOME_BG_PLACEMENT_FILL_SCREEN, "stretched" },
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{ GNOME_BG_PLACEMENT_SCALED, "scaled" },
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{ GNOME_BG_PLACEMENT_ZOOMED, "zoom" },
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{ GNOME_BG_PLACEMENT_TILED, "wallpaper" },
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{ GNOME_BG_PLACEMENT_SPANNED, "spanned" },
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{ 0, NULL }
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};
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static GConfEnumStringPair shade_lookup[] = {
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{ GNOME_BG_COLOR_SOLID, "solid" },
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{ GNOME_BG_COLOR_H_GRADIENT, "horizontal-gradient" },
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{ GNOME_BG_COLOR_V_GRADIENT, "vertical-gradient" },
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{ 0, NULL }
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};
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const gchar *wp_item_option_to_string (GnomeBGPlacement type)
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{
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return gconf_enum_to_string (options_lookup, type);
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}
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const gchar *wp_item_shading_to_string (GnomeBGColorType type)
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{
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return gconf_enum_to_string (shade_lookup, type);
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}
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GnomeBGPlacement wp_item_string_to_option (const gchar *option)
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{
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int i = GNOME_BG_PLACEMENT_SCALED;
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gconf_string_to_enum (options_lookup, option, &i);
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return i;
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}
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GnomeBGColorType wp_item_string_to_shading (const gchar *shade_type)
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{
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int i = GNOME_BG_COLOR_SOLID;
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gconf_string_to_enum (shade_lookup, shade_type, &i);
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return i;
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}
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static void set_bg_properties (GnomeWPItem *item)
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{
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if (item->filename)
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gnome_bg_set_filename (item->bg, item->filename);
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gnome_bg_set_color (item->bg, item->shade_type, item->pcolor, item->scolor);
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gnome_bg_set_placement (item->bg, item->options);
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}
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void gnome_wp_item_ensure_gnome_bg (GnomeWPItem *item)
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{
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if (!item->bg) {
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item->bg = gnome_bg_new ();
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set_bg_properties (item);
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}
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}
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void gnome_wp_item_update (GnomeWPItem *item) {
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GConfClient *client;
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GdkColor color1 = { 0, 0, 0, 0 }, color2 = { 0, 0, 0, 0 };
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gchar *s;
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client = gconf_client_get_default ();
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s = gconf_client_get_string (client, WP_OPTIONS_KEY, NULL);
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item->options = wp_item_string_to_option (s);
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g_free (s);
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s = gconf_client_get_string (client, WP_SHADING_KEY, NULL);
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item->shade_type = wp_item_string_to_shading (s);
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g_free (s);
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s = gconf_client_get_string (client, WP_PCOLOR_KEY, NULL);
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if (s != NULL) {
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gdk_color_parse (s, &color1);
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g_free (s);
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}
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s = gconf_client_get_string (client, WP_SCOLOR_KEY, NULL);
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if (s != NULL) {
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gdk_color_parse (s, &color2);
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g_free (s);
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}
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g_object_unref (client);
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if (item->pcolor != NULL)
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gdk_color_free (item->pcolor);
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if (item->scolor != NULL)
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gdk_color_free (item->scolor);
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item->pcolor = gdk_color_copy (&color1);
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item->scolor = gdk_color_copy (&color2);
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}
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GnomeWPItem * gnome_wp_item_new (const gchar * filename,
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GHashTable * wallpapers,
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GnomeDesktopThumbnailFactory * thumbnails) {
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GnomeWPItem *item = g_new0 (GnomeWPItem, 1);
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item->filename = g_strdup (filename);
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item->fileinfo = gnome_wp_info_new (filename, thumbnails);
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if (item->fileinfo != NULL && item->fileinfo->mime_type != NULL &&
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(g_str_has_prefix (item->fileinfo->mime_type, "image/") ||
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strcmp (item->fileinfo->mime_type, "application/xml") == 0)) {
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if (g_utf8_validate (item->fileinfo->name, -1, NULL))
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item->name = g_strdup (item->fileinfo->name);
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else
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item->name = g_filename_to_utf8 (item->fileinfo->name, -1, NULL,
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NULL, NULL);
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gnome_wp_item_update (item);
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gnome_wp_item_ensure_gnome_bg (item);
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gnome_wp_item_update_description (item);
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g_hash_table_insert (wallpapers, item->filename, item);
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} else {
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gnome_wp_item_free (item);
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item = NULL;
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}
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return item;
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}
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void gnome_wp_item_free (GnomeWPItem * item) {
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if (item == NULL) {
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return;
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}
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g_free (item->name);
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g_free (item->filename);
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g_free (item->description);
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if (item->pcolor != NULL)
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gdk_color_free (item->pcolor);
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if (item->scolor != NULL)
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gdk_color_free (item->scolor);
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gnome_wp_info_free (item->fileinfo);
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if (item->bg)
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g_object_unref (item->bg);
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gtk_tree_row_reference_free (item->rowref);
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g_free (item);
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}
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static GdkPixbuf *
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add_slideshow_frame (GdkPixbuf *pixbuf)
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{
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GdkPixbuf *sheet, *sheet2;
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GdkPixbuf *tmp;
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gint w, h;
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w = gdk_pixbuf_get_width (pixbuf);
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h = gdk_pixbuf_get_height (pixbuf);
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sheet = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, w, h);
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gdk_pixbuf_fill (sheet, 0x00000000);
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sheet2 = gdk_pixbuf_new_subpixbuf (sheet, 1, 1, w - 2, h - 2);
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gdk_pixbuf_fill (sheet2, 0xffffffff);
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g_object_unref (sheet2);
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tmp = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, w + 6, h + 6);
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gdk_pixbuf_fill (tmp, 0x00000000);
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gdk_pixbuf_composite (sheet, tmp, 6, 6, w, h, 6.0, 6.0, 1.0, 1.0, GDK_INTERP_NEAREST, 255);
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gdk_pixbuf_composite (sheet, tmp, 3, 3, w, h, 3.0, 3.0, 1.0, 1.0, GDK_INTERP_NEAREST, 255);
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gdk_pixbuf_composite (pixbuf, tmp, 0, 0, w, h, 0.0, 0.0, 1.0, 1.0, GDK_INTERP_NEAREST, 255);
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g_object_unref (sheet);
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return tmp;
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}
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GdkPixbuf * gnome_wp_item_get_frame_thumbnail (GnomeWPItem * item,
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GnomeDesktopThumbnailFactory * thumbs,
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int width,
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int height,
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gint frame) {
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GdkPixbuf *pixbuf = NULL;
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set_bg_properties (item);
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if (frame != -1)
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pixbuf = gnome_bg_create_frame_thumbnail (item->bg, thumbs, gdk_screen_get_default (), width, height, frame);
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else
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pixbuf = gnome_bg_create_thumbnail (item->bg, thumbs, gdk_screen_get_default(), width, height);
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if (pixbuf && gnome_bg_changes_with_time (item->bg))
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{
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GdkPixbuf *tmp;
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tmp = add_slideshow_frame (pixbuf);
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g_object_unref (pixbuf);
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pixbuf = tmp;
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}
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gnome_bg_get_image_size (item->bg, thumbs, width, height, &item->width, &item->height);
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return pixbuf;
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}
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GdkPixbuf * gnome_wp_item_get_thumbnail (GnomeWPItem * item,
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GnomeDesktopThumbnailFactory * thumbs,
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gint width,
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gint height) {
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return gnome_wp_item_get_frame_thumbnail (item, thumbs, width, height, -1);
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}
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void gnome_wp_item_update_description (GnomeWPItem * item) {
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g_free (item->description);
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if (!strcmp (item->filename, "(none)")) {
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item->description = g_strdup (item->name);
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} else {
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const gchar *description;
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gchar *size;
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gchar *dirname = g_path_get_dirname (item->filename);
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description = NULL;
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size = NULL;
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if (strcmp (item->fileinfo->mime_type, "application/xml") == 0)
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{
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if (gnome_bg_changes_with_time (item->bg))
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description = _("Slide Show");
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else if (item->width > 0 && item->height > 0)
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description = _("Image");
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}
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else
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description = g_content_type_get_description (item->fileinfo->mime_type);
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if (gnome_bg_has_multiple_sizes (item->bg))
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size = g_strdup (_("multiple sizes"));
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else if (item->width > 0 && item->height > 0) {
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/* translators: x pixel(s) by y pixel(s) */
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size = g_strdup_printf ("%d %s by %d %s",
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item->width,
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ngettext ("pixel", "pixels", item->width),
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item->height,
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ngettext ("pixel", "pixels", item->height));
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}
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if (description && size) {
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/* translators: <b>wallpaper name</b>
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* mime type, size
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* Folder: /path/to/file
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*/
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item->description = g_markup_printf_escaped (_("<b>%s</b>\n"
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"%s, %s\n"
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"Folder: %s"),
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item->name,
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description,
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size,
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dirname);
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} else {
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/* translators: <b>wallpaper name</b>
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* Image missing
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* Folder: /path/to/file
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*/
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item->description = g_markup_printf_escaped (_("<b>%s</b>\n"
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"%s\n"
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"Folder: %s"),
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item->name,
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_("Image missing"),
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dirname);
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}
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g_free (size);
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g_free (dirname);
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}
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}
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