moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 307 insertions, 0 deletions

diff --git a/capplets/appearance/mate-wp-item.c b/capplets/appearance/mate-wp-item.c
new file mode 100644
index 00000000..de9623f1
--- /dev/null
+++ b/capplets/appearance/mate-wp-item.c
@@ -0,0 +1,307 @@
+/*
+ *  Authors: Rodney Dawes <[email protected]>
+ *
+ *  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 <mateconf/mateconf-client.h>
+#include <string.h>
+#include "mate-wp-item.h"
+
+static MateConfEnumStringPair options_lookup[] = {
+  { MATE_BG_PLACEMENT_CENTERED, "centered" },
+  { MATE_BG_PLACEMENT_FILL_SCREEN, "stretched" },
+  { MATE_BG_PLACEMENT_SCALED, "scaled" },
+  { MATE_BG_PLACEMENT_ZOOMED, "zoom" },
+  { MATE_BG_PLACEMENT_TILED, "wallpaper" },
+  { MATE_BG_PLACEMENT_SPANNED, "spanned" },
+  { 0, NULL }
+};
+
+static MateConfEnumStringPair shade_lookup[] = {
+  { MATE_BG_COLOR_SOLID, "solid" },
+  { MATE_BG_COLOR_H_GRADIENT, "horizontal-gradient" },
+  { MATE_BG_COLOR_V_GRADIENT, "vertical-gradient" },
+  { 0, NULL }
+};
+
+const gchar *wp_item_option_to_string (MateBGPlacement type)
+{
+  return mateconf_enum_to_string (options_lookup, type);
+}
+
+const gchar *wp_item_shading_to_string (MateBGColorType type)
+{
+  return mateconf_enum_to_string (shade_lookup, type);
+}
+
+MateBGPlacement wp_item_string_to_option (const gchar *option)
+{
+  int i = MATE_BG_PLACEMENT_SCALED;
+  mateconf_string_to_enum (options_lookup, option, &i);
+  return i;
+}
+
+MateBGColorType wp_item_string_to_shading (const gchar *shade_type)
+{
+  int i = MATE_BG_COLOR_SOLID;
+  mateconf_string_to_enum (shade_lookup, shade_type, &i);
+  return i;
+}
+
+static void set_bg_properties (MateWPItem *item)
+{
+  if (item->filename)
+    mate_bg_set_filename (item->bg, item->filename);
+
+  mate_bg_set_color (item->bg, item->shade_type, item->pcolor, item->scolor);
+  mate_bg_set_placement (item->bg, item->options);
+}
+
+void mate_wp_item_ensure_mate_bg (MateWPItem *item)
+{
+  if (!item->bg) {
+    item->bg = mate_bg_new ();
+
+    set_bg_properties (item);
+  }
+}
+
+void mate_wp_item_update (MateWPItem *item) {
+  MateConfClient *client;
+  GdkColor color1 = { 0, 0, 0, 0 }, color2 = { 0, 0, 0, 0 };
+  gchar *s;
+
+  client = mateconf_client_get_default ();
+
+  s = mateconf_client_get_string (client, WP_OPTIONS_KEY, NULL);
+  item->options = wp_item_string_to_option (s);
+  g_free (s);
+
+  s = mateconf_client_get_string (client, WP_SHADING_KEY, NULL);
+  item->shade_type = wp_item_string_to_shading (s);
+  g_free (s);
+
+  s = mateconf_client_get_string (client, WP_PCOLOR_KEY, NULL);
+  if (s != NULL) {
+    gdk_color_parse (s, &color1);
+    g_free (s);
+  }
+
+  s = mateconf_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);
+}
+
+MateWPItem * mate_wp_item_new (const gchar * filename,
+				 GHashTable * wallpapers,
+				 MateDesktopThumbnailFactory * thumbnails) {
+  MateWPItem *item = g_new0 (MateWPItem, 1);
+
+  item->filename = g_strdup (filename);
+  item->fileinfo = mate_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);
+
+    mate_wp_item_update (item);
+    mate_wp_item_ensure_mate_bg (item);
+    mate_wp_item_update_description (item);
+
+    g_hash_table_insert (wallpapers, item->filename, item);
+  } else {
+    mate_wp_item_free (item);
+    item = NULL;
+  }
+
+  return item;
+}
+
+void mate_wp_item_free (MateWPItem * 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);
+
+  mate_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 * mate_wp_item_get_frame_thumbnail (MateWPItem * item,
+					       MateDesktopThumbnailFactory * thumbs,
+                                               int width,
+                                               int height,
+                                               gint frame) {
+  GdkPixbuf *pixbuf = NULL;
+
+  set_bg_properties (item);
+
+  if (frame != -1)
+    pixbuf = mate_bg_create_frame_thumbnail (item->bg, thumbs, gdk_screen_get_default (), width, height, frame);
+  else
+    pixbuf = mate_bg_create_thumbnail (item->bg, thumbs, gdk_screen_get_default(), width, height);
+
+  if (pixbuf && mate_bg_changes_with_time (item->bg))
+    {
+      GdkPixbuf *tmp;
+
+      tmp = add_slideshow_frame (pixbuf);
+      g_object_unref (pixbuf);
+      pixbuf = tmp;
+    }
+
+  mate_bg_get_image_size (item->bg, thumbs, width, height, &item->width, &item->height);
+
+  return pixbuf;
+}
+
+
+GdkPixbuf * mate_wp_item_get_thumbnail (MateWPItem * item,
+					 MateDesktopThumbnailFactory * thumbs,
+                                         gint width,
+                                         gint height) {
+  return mate_wp_item_get_frame_thumbnail (item, thumbs, width, height, -1);
+}
+
+void mate_wp_item_update_description (MateWPItem * 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 (mate_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 (mate_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);
+  }
+}