Menu theme tuning.

src/platform/theme/theme_draw.cc

 // Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 #include <cairo.h>
 #include <math.h>
 #include <gmodule.h>
 #include <gtk/gtk.h>
 #include <string.h>
@@ skipping 91 matching lines @@
     static_cast<double>(0x0) / 255.0;
 static const double INDICATOR_STROKE_PRESSED_G =
     static_cast<double>(0x0) / 255.0;
 static const double INDICATOR_STROKE_PRESSED_B =
     static_cast<double>(0x0) / 255.0;
 
 static const double INDICATOR_STROKE_R = 0;
 static const double INDICATOR_STROKE_G = 0;
 static const double INDICATOR_STROKE_B = 0;
 
+static const double MENU_BG_R = 1;
+static const double MENU_BG_G = 1;
+static const double MENU_BG_B = 1;
+
 static const double MENU_BG_HIGHLIGHT_R = SELECTED_TEXT_BG_R;
 static const double MENU_BG_HIGHLIGHT_G = SELECTED_TEXT_BG_G;
 static const double MENU_BG_HIGHLIGHT_B = SELECTED_TEXT_BG_B;
 
-static const double MENU_BORDER_R = static_cast<double>(0x55) / 255.0;
-static const double MENU_BORDER_G = static_cast<double>(0x55) / 255.0;
-static const double MENU_BORDER_B = static_cast<double>(0x55) / 255.0;
+static const double MENU_GRADIENT_R0 = 1;
+static const double MENU_GRADIENT_G0 = 1;
+static const double MENU_GRADIENT_B0 = 1;
+static const double MENU_GRADIENT_R1 = static_cast<double>(0xF0) / 255.0;
+static const double MENU_GRADIENT_G1 = static_cast<double>(0xF0) / 255.0;
+static const double MENU_GRADIENT_B1 = static_cast<double>(0xF0) / 255.0;
 
 // Ideal arrow size for menus.
 static const int MENU_IDEAL_ARROW_SIZE = 5;
 
 // Ideal size of the inner circle for selected radio buttons.
 static const int MENU_RADIO_BUTTON_INDICATOR_IDEAL_SIZE = 5;
 
 // Ideal size of the inner circle for selected radio buttons.
 static const int RADIO_BUTTON_INDICATOR_IDEAL_SIZE = 7;
 
@@ skipping 107 matching lines @@
 static const double TOOLTIP_SHADOW_G = 0;
 static const double TOOLTIP_SHADOW_B = 0;
 
 // Alpha for shadow pixels, from outer-most to inner-most.
 static const double TOOLTIP_SHADOW_ALPHAS[] = { 0.1, 0.2 };
 
 // Outermost shadow corner radius is 10 pixel tooltip border corner radius
 // plus TOOLTIP_SHADOW_DEPTH.
 static const int TOOLTIP_CORNER_RADIUS = 10 + TOOLTIP_SHADOW_DEPTH;
 
+// Widget name of GtkCombBox popup menu.
+static const char* kGtkComboBoxPopupMenu = "gtk-combobox-popup-menu";
+
 // Widget name of ChromeOS options tab.
 static const char* kChromeOsOptionsTabName = "chromeos-options-tab";
 
 // Check whether given widget's name is the same as name_to_check.
 static bool WidgetHasName(GtkWidget* widget, const char* name_to_check) {
   const char* widget_name = gtk_widget_get_name(widget);
   return widget_name && !strcmp(widget_name, name_to_check);
 }
 
 // Check whether given widget uses RGBA visuals.
@@ skipping 484 matching lines @@
                            GtkWidget* widget,
                            gint x,
                            gint y,
                            gint w,
                            gint h) {
   ScopedSurface cr(window, area);
 
   cairo_rectangle(cr.get(), x, y, w, h);
 
   ScopedPattern pattern;
-  AddRoundRectGradient(cr.get(), &pattern, h, false);
-  cairo_fill_preserve(cr.get());
-
-  cairo_set_source_rgb(cr.get(), MENU_BORDER_R, MENU_BORDER_G, MENU_BORDER_B);
-  DrawSinglePixelWideRectangle(cr.get(), x, y, w, h);
+  if (WidgetHasName(widget, kGtkComboBoxPopupMenu)) {
+    cairo_set_source_rgb(cr.get(), MENU_BG_R, MENU_BG_G, MENU_BG_B);
+  } else {
+    pattern.reset(cairo_pattern_create_linear(0, 0, 0, h));
+    cairo_pattern_add_color_stop_rgb(pattern.get(), 0, MENU_GRADIENT_R0,
+                                     MENU_GRADIENT_G0, MENU_GRADIENT_B0);
+    cairo_pattern_add_color_stop_rgb(pattern.get(), 1, MENU_GRADIENT_R1,
+                                     MENU_GRADIENT_G1, MENU_GRADIENT_B1);
+    cairo_set_source(cr.get(), pattern.get());
+  }
+  cairo_fill(cr.get());
 }
 
 static void DrawMenuHorizontalSeparator(GtkStyle* style,
                                         GdkWindow* window,
                                         GtkStateType state_type,
                                         GdkRectangle* area,
                                         GtkWidget* widget,
                                         gint x1,
                                         gint x2,
                                         gint y) {
@@ skipping 745 matching lines @@
                     GtkStateType state_type,
                     GdkRectangle* area,
                     GtkWidget* widget,
                     const gchar* detail,
                     gint y1,
                     gint y2,
                     gint x) {
   // We currently don't have any vertical separators. If we do need them, be
   // sure and special case so that we don't draw the separator for comboboxs:
 }