gtk: Gray out uneditable search URLs.

Change the appearence of the url entry to be like disable, so the user
doesn't begin confused.

BUG=34476
TEST=see bug

Review URL: http://codereview.chromium.org/2823030

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@51093 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 26 insertions, 1 deletions

diff --git a/chrome/browser/gtk/edit_search_engine_dialog.cc b/chrome/browser/gtk/edit_search_engine_dialog.cc
index aa64b73..ec7590b 100644
--- a/chrome/browser/gtk/edit_search_engine_dialog.cc
+++ b/chrome/browser/gtk/edit_search_engine_dialog.cc
@@ -29,7 +29,6 @@ std::string GetDisplayURL(const TemplateURL& turl) {
   return turl.url() ? WideToUTF8(turl.url()->DisplayURL()) : std::string();
 }
 
-
 // Forces text to lowercase when connected to an editable's "insert-text"
 // signal.  (Like views Textfield::STYLE_LOWERCASE.)
 void LowercaseInsertTextHandler(GtkEditable *editable, const gchar *text,
@@ -50,6 +49,22 @@ void LowercaseInsertTextHandler(GtkEditable *editable, const gchar *text,
   }
 }
 
+void SetWidgetStyle(GtkWidget* entry, GtkStyle* label_style,
+                    GtkStyle* dialog_style) {
+  gtk_widget_modify_fg(entry, GTK_STATE_NORMAL,
+                       &label_style->fg[GTK_STATE_NORMAL]);
+  gtk_widget_modify_fg(entry, GTK_STATE_INSENSITIVE,
+                       &label_style->fg[GTK_STATE_INSENSITIVE]);
+  // GTK_NO_WINDOW widgets like GtkLabel don't draw their own background, so we
+  // combine the normal or insensitive foreground of the label style with the
+  // normal background of the window style to achieve the "normal label" and
+  // "insensitive label" colors.
+  gtk_widget_modify_base(entry, GTK_STATE_NORMAL,
+                         &dialog_style->bg[GTK_STATE_NORMAL]);
+  gtk_widget_modify_base(entry, GTK_STATE_INSENSITIVE,
+                         &dialog_style->bg[GTK_STATE_NORMAL]);
+}
+
 }  // namespace
 
 EditSearchEngineDialog::EditSearchEngineDialog(
@@ -152,6 +167,16 @@ void EditSearchEngineDialog::Init(GtkWindow* parent_window, Profile* profile) {
     gtk_editable_set_editable(
         GTK_EDITABLE(url_entry_),
         controller_->template_url()->prepopulate_id() == 0);
+
+    if (controller_->template_url()->prepopulate_id() != 0) {
+      GtkWidget* fake_label = gtk_label_new("Fake label");
+      gtk_widget_set_sensitive(fake_label,
+          controller_->template_url()->prepopulate_id() == 0);
+      GtkStyle* label_style = gtk_widget_get_style(fake_label);
+      GtkStyle* dialog_style = gtk_widget_get_style(dialog_);
+      SetWidgetStyle(url_entry_, label_style, dialog_style);
+      gtk_widget_destroy(fake_label);
+    }
   }
 
   GtkWidget* controls = gtk_util::CreateLabeledControlsGroup(NULL,