[anjuta] document-manager: bgo #711720 - Highlight if search box text not found in editor

[Sebastien Granjoux <sgranjoux src gnome org>]

commit 3b971e9ce7e3d656e36960e91cb75f38028c3b76
Author: Sébastien Granjoux <seb sfo free fr>
Date:   Sat Jan 25 14:43:30 2014 +0100

    document-manager: bgo #711720 - Highlight if search box text not found in editor
    
    Using gtk_widget_override_background_color is not enough. It seems that we need
    to set the background image to none too. It's done using css.

 plugins/document-manager/search-box.c |   49 +++++++++++++++++---------------
 1 files changed, 26 insertions(+), 23 deletions(-)
---
diff --git a/plugins/document-manager/search-box.c b/plugins/document-manager/search-box.c
index 349218a..15a12a3 100644
--- a/plugins/document-manager/search-box.c
+++ b/plugins/document-manager/search-box.c
@@ -80,6 +80,8 @@ struct _SearchBoxPrivate
        IAnjutaEditorCell *start_highlight;
        IAnjutaEditorCell *end_highlight;
        guint idle_id;
+
+       GtkCssProvider *provider;
 };
 
 #ifdef GET_PRIVATE
@@ -127,28 +129,17 @@ on_goto_activated (GtkWidget* widget, SearchBox* search_box)
 static void
 search_box_set_entry_color (SearchBox* search_box, gboolean found)
 {
+       GtkStyleContext *context;
+       
+       context = gtk_widget_get_style_context (GTK_WIDGET (search_box->priv->search_entry));
        if (!found)
-        {    
-                GdkRGBA red; 
-                GdkRGBA white;
-                gdk_rgba_parse (&red,"red");
-                gdk_rgba_parse (&white,"white");
-
-                /* FIXME: a11y and theme */
-
-                gtk_widget_override_color (search_box->priv->search_entry,
-                                        GTK_STATE_NORMAL,
-                                        &red);
-        }    
-        else 
-        {    
-                gtk_widget_override_background_color (search_box->priv->search_entry,
-                                        GTK_STATE_NORMAL,
-                                        NULL);
-                gtk_widget_override_color (search_box->priv->search_entry,
-                                        GTK_STATE_NORMAL,
-                                        NULL);
-        }    
+       {
+               gtk_style_context_add_class (context, "not-found");
+       }
+       else 
+       {
+               gtk_style_context_remove_class (context, "not-found");
+       }
 }
 
 static gboolean
@@ -914,11 +905,12 @@ search_box_init (SearchBox *search_box)
 {
        search_box->priv = GET_PRIVATE(search_box);
        GList* focus_chain = NULL;
+       GtkStyleContext *context;
        
        /* Button images */
        GtkWidget* close = 
                gtk_image_new_from_stock (GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU);
-       
+
        /* Searching */
        search_box->priv->search_entry = gtk_entry_new();
        gtk_widget_set_tooltip_text (search_box->priv->search_entry,
@@ -948,7 +940,17 @@ search_box_init (SearchBox *search_box)
        
        g_signal_connect (G_OBJECT (search_box->priv->close_button), "clicked",
                                          G_CALLBACK (on_search_box_hide), search_box);
-       
+
+       /* CSS custom style */
+       search_box->priv->provider = gtk_css_provider_new ();
+       gtk_css_provider_load_from_data (search_box->priv->provider,
+                                        ".not-found {color: @gedit_not_found_fg; background-image: none; 
background-color: @gedit_not_found_bg;}"
+                                        ".not-found:selected {color: @theme_selected_fg_color; 
background-color: @theme_selected_bg_color;}"
+                                        , -1, NULL);
+       context = gtk_widget_get_style_context (GTK_WIDGET (search_box->priv->search_entry));
+       gtk_style_context_add_provider (context, GTK_STYLE_PROVIDER (search_box->priv->provider), 
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+
+
        /* Previous, Next Navigation */
        search_box->priv->next_button = gtk_button_new ();
        gtk_container_add (GTK_CONTAINER (search_box->priv->next_button),
@@ -1073,6 +1075,7 @@ search_box_finalize (GObject *object)
        if (search_box->priv->idle_id) g_source_remove (search_box->priv->idle_id);
        if (search_box->priv->start_highlight) g_object_unref (search_box->priv->start_highlight);
        if (search_box->priv->end_highlight) g_object_unref (search_box->priv->end_highlight);
+       if (search_box->priv->provider) g_object_unref (search_box->priv->provider);
 
        G_OBJECT_CLASS (search_box_parent_class)->finalize (object);
 }