Bold matched portions of text in Linux Omnibox.

- Refactor a bunch of the Pango attributes code.
- Walk the classifications, and create the pango attributes for
  the text foreground color and weight (bolding).
- Cache the GdkGC and PangoLayout across expose messages.

Review URL: http://codereview.chromium.org/75041


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@13845 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 7 insertions, 2 deletions

diff --git a/chrome/browser/autocomplete/autocomplete_popup_view_gtk.h b/chrome/browser/autocomplete/autocomplete_popup_view_gtk.h
index f515fa6..199fb23 100755
--- a/chrome/browser/autocomplete/autocomplete_popup_view_gtk.h
+++ b/chrome/browser/autocomplete/autocomplete_popup_view_gtk.h
@@ -48,13 +48,18 @@ class AutocompletePopupViewGtk : public AutocompletePopupView {
 
   gboolean HandleExpose(GtkWidget* widget, GdkEventExpose* event);
 
-  PangoFontDescription* font_;
-
   scoped_ptr<AutocompletePopupModel> model_;
   AutocompleteEditViewGtk* edit_view_;
 
+  // Our popup window, which is the only widget used, and we paint it on our
+  // own.  This widget shouldn't be exposed outside of this class.
   GtkWidget* window_;
+  // The graphics context created from the window, cached across exposes.
+  GdkGC* gc_;
+  // The pango layout object created from the window, cached across exposes.
+  PangoLayout* layout_;
 
+  // Whether our popup is currently open / shown, or closed / hidden.
   bool opened_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompletePopupViewGtk);