[yelp: 12/17] yelp-settings: Putting symbolic icon loading into YelpSettings

[Shaun McCance <shaunm src gnome org>]

commit a4e46163c569c9882c2fc9984fc245839c11d6dc
Author: Shaun McCance <shaunm gnome org>
Date:   Sun Feb 13 14:56:41 2011 -0500

    yelp-settings: Putting symbolic icon loading into YelpSettings

 libyelp/yelp-location-entry.c |  115 ++++++++++++----------------------------
 libyelp/yelp-settings.c       |   60 +++++++++++++++++++++
 libyelp/yelp-settings.h       |    4 ++
 3 files changed, 99 insertions(+), 80 deletions(-)
---
diff --git a/libyelp/yelp-location-entry.c b/libyelp/yelp-location-entry.c
index 3002a02..8518116 100644
--- a/libyelp/yelp-location-entry.c
+++ b/libyelp/yelp-location-entry.c
@@ -192,10 +192,6 @@ struct _YelpLocationEntryPrivate
     guint      pulse;
     gulong bookmarks_changed;
 
-    GdkPixbuf *icon_edit_clear;
-    GdkPixbuf *icon_edit_find;
-    GdkPixbuf *icon_bookmark_add;
-    GdkPixbuf *icon_bookmark_remove;
     gboolean   icon_is_clear;
 };
 
@@ -375,55 +371,10 @@ yelp_location_entry_class_init (YelpLocationEntryClass *klass)
 static void
 yelp_location_entry_init (YelpLocationEntry *entry)
 {
-    YelpSettings *settings;
-    GtkIconTheme *theme;
-    GtkIconInfo *icon;
-    gchar *color;
-    GdkRGBA gray, white, border, fill;
     YelpLocationEntryPrivate *priv = GET_PRIV (entry);
 
     priv->search_mode = FALSE;
     g_object_set (entry, "entry-text-column", HISTORY_COL_TITLE, NULL);
-
-    settings = yelp_settings_get_default ();
-    g_object_get (settings, "gtk-icon-theme", &theme, NULL);
-
-    color = yelp_settings_get_color (settings, YELP_SETTINGS_COLOR_GRAY_BORDER);
-    gdk_rgba_parse (&gray, color);
-    g_free (color);
-    color = yelp_settings_get_color (settings, YELP_SETTINGS_COLOR_BASE);
-    gdk_rgba_parse (&white, color);
-    g_free (color);
-    color = yelp_settings_get_color (settings, YELP_SETTINGS_COLOR_YELLOW_BORDER);
-    gdk_rgba_parse (&border, color);
-    g_free (color);
-    color = yelp_settings_get_color (settings, YELP_SETTINGS_COLOR_YELLOW_BASE);
-    gdk_rgba_parse (&fill, color);
-    g_free (color);
-
-    icon = gtk_icon_theme_lookup_icon (theme, "edit-clear-symbolic", 16,
-                                       GTK_ICON_LOOKUP_FORCE_SVG);
-    priv->icon_edit_clear = gtk_icon_info_load_symbolic (icon, &gray,
-                                                         NULL, NULL, NULL,
-                                                         NULL, NULL);
-    gtk_icon_info_free (icon);
-
-    icon = gtk_icon_theme_lookup_icon (theme, "edit-find-symbolic", 16,
-                                       GTK_ICON_LOOKUP_FORCE_SVG);
-    priv->icon_edit_find = gtk_icon_info_load_symbolic (icon, &gray,
-                                                        NULL, NULL, NULL,
-                                                        NULL, NULL);
-    gtk_icon_info_free (icon);
-
-    icon = gtk_icon_theme_lookup_icon (theme, "yelp-bookmark-symbolic", 16,
-                                       GTK_ICON_LOOKUP_FORCE_SVG);
-    priv->icon_bookmark_add = gtk_icon_info_load_symbolic (icon, &gray, &white,
-                                                           NULL, NULL, NULL, NULL);
-    priv->icon_bookmark_remove = gtk_icon_info_load_symbolic (icon, &border, &fill,
-                                                              NULL, NULL, NULL, NULL);
-    gtk_icon_info_free (icon);
-
-    g_object_unref (theme);
 }
 
 static void
@@ -580,26 +531,6 @@ location_entry_dispose (GObject *object)
         priv->pulse = 0;
     }
 
-    if (priv->icon_edit_clear) {
-        g_object_unref (priv->icon_edit_clear);
-        priv->icon_edit_clear = NULL;
-    }
-
-    if (priv->icon_edit_find) {
-        g_object_unref (priv->icon_edit_find);
-        priv->icon_edit_find = NULL;
-    }
-
-    if (priv->icon_bookmark_add) {
-        g_object_unref (priv->icon_bookmark_add);
-        priv->icon_bookmark_add = NULL;
-    }
-
-    if (priv->icon_bookmark_remove) {
-        g_object_unref (priv->icon_bookmark_remove);
-        priv->icon_bookmark_remove = NULL;
-    }
-
     G_OBJECT_CLASS (yelp_location_entry_parent_class)->dispose (object);
 }
 
@@ -828,12 +759,18 @@ location_entry_set_entry (YelpLocationEntry *entry, gboolean emit)
     gchar *icon_name;
 
     if (priv->search_mode) {
+        YelpSettings *settings = yelp_settings_get_default ();
+        GdkPixbuf *pixbuf;
+        pixbuf = yelp_settings_get_icon_pixbuf (settings, "system-search");
         gtk_entry_set_icon_from_pixbuf (GTK_ENTRY (priv->text_entry),
                                         GTK_ENTRY_ICON_PRIMARY,
-                                        priv->icon_edit_find);
+                                        pixbuf);
+        g_object_unref (pixbuf);
+        pixbuf = yelp_settings_get_icon_pixbuf (settings, "edit-clear");
         gtk_entry_set_icon_from_pixbuf (GTK_ENTRY (priv->text_entry),
                                         GTK_ENTRY_ICON_SECONDARY,
-                                        priv->icon_edit_clear);
+                                        pixbuf);
+        g_object_unref (pixbuf);
         gtk_entry_set_icon_tooltip_text (GTK_ENTRY (priv->text_entry),
                                          GTK_ENTRY_ICON_SECONDARY,
                                          _("Clear the search text"));
@@ -873,18 +810,25 @@ location_entry_set_entry (YelpLocationEntry *entry, gboolean emit)
                                                icon_name);
         }
         if (priv->bookmarks && doc_uri && page_id) {
+            GdkPixbuf *pixbuf;
             if (!yelp_bookmarks_is_bookmarked (priv->bookmarks, doc_uri, page_id)) {
+                pixbuf = yelp_settings_get_icon_pixbuf (yelp_settings_get_default (),
+                                                        "yelp-bookmark-add");
                 gtk_entry_set_icon_from_pixbuf (GTK_ENTRY (priv->text_entry),
                                                 GTK_ENTRY_ICON_SECONDARY,
-                                                priv->icon_bookmark_add);
+                                                pixbuf);
+                g_object_unref (pixbuf);
                 gtk_entry_set_icon_tooltip_text (GTK_ENTRY (priv->text_entry),
                                                  GTK_ENTRY_ICON_SECONDARY,
                                                  _("Bookmark this page"));
             }
             else {
+                pixbuf = yelp_settings_get_icon_pixbuf (yelp_settings_get_default (),
+                                                        "yelp-bookmark-remove");
                 gtk_entry_set_icon_from_pixbuf (GTK_ENTRY (priv->text_entry),
                                                 GTK_ENTRY_ICON_SECONDARY,
-                                                priv->icon_bookmark_remove);
+                                                pixbuf);
+                g_object_unref (pixbuf);
                 gtk_entry_set_icon_tooltip_text (GTK_ENTRY (priv->text_entry),
                                                  GTK_ENTRY_ICON_SECONDARY,
                                                  _("Remove bookmark"));
@@ -1130,13 +1074,13 @@ cell_set_bookmark_icon (GtkCellLayout     *layout,
     YelpLocationEntryPrivate *priv = GET_PRIV (entry);
 
     if (priv->bookmarks == NULL) {
-        g_object_set (cell, "icon-name", NULL, NULL);
+        g_object_set (cell, "pixbuf", NULL, NULL);
         return;
     }
 
     gtk_tree_model_get (model, iter, HISTORY_COL_FLAGS, &flags, -1);
     if (flags & (LOCATION_ENTRY_IS_SEPARATOR | LOCATION_ENTRY_IS_SEARCH)) {
-        g_object_set (cell, "icon-name", NULL, NULL);
+        g_object_set (cell, "pixbuf", NULL, NULL);
         return;
     }
     
@@ -1145,10 +1089,14 @@ cell_set_bookmark_icon (GtkCellLayout     *layout,
                         HISTORY_COL_PAGE, &page_id,
                         -1);
     if (doc_uri && page_id &&
-        yelp_bookmarks_is_bookmarked (priv->bookmarks, doc_uri, page_id))
-        g_object_set (cell, "icon-name", "bookmark", NULL);
+        yelp_bookmarks_is_bookmarked (priv->bookmarks, doc_uri, page_id)) {
+        GdkPixbuf *pixbuf = yelp_settings_get_icon_pixbuf (yelp_settings_get_default (),
+                                                           "yelp-bookmark-remove");
+        g_object_set (cell, "pixbuf", pixbuf, NULL);
+        g_object_unref (pixbuf);
+    }
     else
-        g_object_set (cell, "icon-name", NULL, NULL);
+        g_object_set (cell, "pixbuf", NULL, NULL);
 
     g_free (doc_uri);
     g_free (page_id);
@@ -1565,18 +1513,25 @@ bookmarks_changed (YelpBookmarks      *bookmarks,
                             HISTORY_COL_PAGE, &page_id,
                             -1);
         if (this_uri && g_str_equal (this_uri, doc_uri) && page_id) {
+            GdkPixbuf *pixbuf;
             if (!yelp_bookmarks_is_bookmarked (priv->bookmarks, doc_uri, page_id)) {
+                pixbuf = yelp_settings_get_icon_pixbuf (yelp_settings_get_default (),
+                                                        "yelp-bookmark-add");
                 gtk_entry_set_icon_from_pixbuf (GTK_ENTRY (priv->text_entry),
                                                 GTK_ENTRY_ICON_SECONDARY,
-                                                priv->icon_bookmark_add);
+                                                pixbuf);
+                g_object_unref (pixbuf);
                 gtk_entry_set_icon_tooltip_text (GTK_ENTRY (priv->text_entry),
                                                  GTK_ENTRY_ICON_SECONDARY,
                                                  _("Bookmark this page"));
             }
             else {
+                pixbuf = yelp_settings_get_icon_pixbuf (yelp_settings_get_default (),
+                                                        "yelp-bookmark-remove");
                 gtk_entry_set_icon_from_pixbuf (GTK_ENTRY (priv->text_entry),
                                                 GTK_ENTRY_ICON_SECONDARY,
-                                                priv->icon_bookmark_remove);
+                                                pixbuf);
+                g_object_unref (pixbuf);
                 gtk_entry_set_icon_tooltip_text (GTK_ENTRY (priv->text_entry),
                                                  GTK_ENTRY_ICON_SECONDARY,
                                                  _("Remove bookmark"));
diff --git a/libyelp/yelp-settings.c b/libyelp/yelp-settings.c
index b1f2f90..1b8f4d0 100644
--- a/libyelp/yelp-settings.c
+++ b/libyelp/yelp-settings.c
@@ -36,6 +36,8 @@ struct _YelpSettingsPriv {
     gchar        *icons[YELP_SETTINGS_NUM_ICONS];
     gint          icon_size;
 
+    GHashTable   *pixbufs;
+
     GtkSettings  *gtk_settings;
     GtkIconTheme *gtk_icon_theme;
 
@@ -223,6 +225,9 @@ yelp_settings_init (YelpSettings *settings)
     settings->priv->mutex = g_mutex_new ();
     settings->priv->icon_size = 24;
 
+    settings->priv->pixbufs = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                                     g_free, g_object_unref);
+
     for (i = 0; i < YELP_SETTINGS_NUM_ICONS; i++)
 	settings->priv->icons[i] = NULL;
     for (i = 0; i < YELP_SETTINGS_NUM_FONTS; i++) {
@@ -239,6 +244,11 @@ yelp_settings_dispose (GObject *object)
 {
     YelpSettings *settings = YELP_SETTINGS (object);
 
+    if (settings->priv->pixbufs != NULL) {
+        g_hash_table_destroy (settings->priv->pixbufs);
+        settings->priv->pixbufs;
+    }
+
     G_OBJECT_CLASS (yelp_settings_parent_class)->dispose (object);
 }
 
@@ -676,6 +686,20 @@ yelp_settings_get_icon_param (YelpSettingsIcon icon)
 
 /******************************************************************************/
 
+GdkPixbuf *
+yelp_settings_get_icon_pixbuf (YelpSettings *settings,
+                               const gchar  *icon_name)
+{
+    GdkPixbuf *pixbuf;
+
+    pixbuf = g_hash_table_lookup (settings->priv->pixbufs, icon_name);
+    if (pixbuf != NULL)
+        return g_object_ref (pixbuf);
+
+    return gtk_icon_theme_load_icon (settings->priv->gtk_icon_theme,
+                                     icon_name, 16, 0, NULL);
+}
+
 gboolean
 yelp_settings_get_show_text_cursor (YelpSettings *settings)
 {
@@ -916,9 +940,12 @@ icon_theme_changed (GtkIconTheme *theme,
 {
     GtkIconInfo *info;
     gint i;
+    GdkPixbuf *pixbuf;
+    GdkRGBA base, gray_border, yellow_border;
 
     g_mutex_lock (settings->priv->mutex);
 
+    /* Set Yelp's note icons */
     for (i = 0; i < YELP_SETTINGS_NUM_ICONS; i++) {
 	if (settings->priv->icons[i] != NULL)
 	    g_free (settings->priv->icons[i]);
@@ -936,6 +963,39 @@ icon_theme_changed (GtkIconTheme *theme,
 	}
     }
 
+    /* Set pixbufs for named icons */
+    gdk_rgba_parse (&base, settings->priv->colors[YELP_SETTINGS_COLOR_BASE]);
+    gdk_rgba_parse (&gray_border, settings->priv->colors[YELP_SETTINGS_COLOR_GRAY_BORDER]);
+    gdk_rgba_parse (&yellow_border, settings->priv->colors[YELP_SETTINGS_COLOR_YELLOW_BORDER]);
+
+    info = gtk_icon_theme_lookup_icon (theme, "edit-clear-symbolic", 16,
+                                       GTK_ICON_LOOKUP_FORCE_SVG);
+    pixbuf = gtk_icon_info_load_symbolic (info, &gray_border,
+                                          NULL, NULL, NULL,
+                                          NULL, NULL);
+    g_hash_table_replace (settings->priv->pixbufs, g_strdup ("edit-clear"), pixbuf);
+    gtk_icon_info_free (info);
+
+    info = gtk_icon_theme_lookup_icon (theme, "edit-find-symbolic", 16,
+                                       GTK_ICON_LOOKUP_FORCE_SVG);
+    pixbuf = gtk_icon_info_load_symbolic (info, &gray_border,
+                                          NULL, NULL, NULL,
+                                          NULL, NULL);
+    g_hash_table_replace (settings->priv->pixbufs, g_strdup ("system-search"), pixbuf);
+    gtk_icon_info_free (info);
+
+    info = gtk_icon_theme_lookup_icon (theme, "yelp-bookmark-symbolic", 16,
+                                       GTK_ICON_LOOKUP_FORCE_SVG);
+    pixbuf = gtk_icon_info_load_symbolic (info,
+                                          &gray_border, &base,
+                                          NULL, NULL, NULL, NULL);
+    g_hash_table_replace (settings->priv->pixbufs, g_strdup ("yelp-bookmark-add"), pixbuf);
+    pixbuf = gtk_icon_info_load_symbolic (info,
+                                          &gray_border, &yellow_border,
+                                          NULL, NULL, NULL, NULL);
+    g_hash_table_replace (settings->priv->pixbufs, g_strdup ("yelp-bookmark-remove"), pixbuf);
+    gtk_icon_info_free (info);
+
     g_mutex_unlock (settings->priv->mutex);
 
     g_signal_emit (settings, settings_signals[ICONS_CHANGED], 0);
diff --git a/libyelp/yelp-settings.h b/libyelp/yelp-settings.h
index bf6af53..c43f10a 100644
--- a/libyelp/yelp-settings.h
+++ b/libyelp/yelp-settings.h
@@ -24,6 +24,7 @@
 #define __YELP_SETTINGS_H__
 
 #include <glib-object.h>
+#include <gtk/gtk.h>
 
 G_BEGIN_DECLS
 
@@ -118,6 +119,9 @@ gchar **            yelp_settings_get_all_params       (YelpSettings       *sett
                                                         gint                extra,
                                                         gint               *end);
 
+GdkPixbuf *         yelp_settings_get_icon_pixbuf      (YelpSettings       *settings,
+                                                        const gchar        *icon_name);
+
 gboolean            yelp_settings_get_show_text_cursor (YelpSettings       *settings);
 void                yelp_settings_set_show_text_cursor (YelpSettings       *settings,
                                                         gboolean            show);