1 files changed, 63 insertions, 0 deletions
diff --git a/chrome/browser/gtk/rounded_window.h b/chrome/browser/gtk/rounded_window.h
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+++ b/chrome/browser/gtk/rounded_window.h
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+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_GTK_ROUNDED_WINDOW_H_
+#define CHROME_BROWSER_GTK_ROUNDED_WINDOW_H_
+
+#include <gtk/gtk.h>
+
+namespace gtk_util {
+
+// Symbolic names for arguments to |rounded_edges| in ActAsRoundedWindow().
+enum RoundedBorders {
+  ROUNDED_NONE = 0,
+  ROUNDED_BOTTOM_LEFT = 1 << 0,
+  ROUNDED_TOP_LEFT = 1 << 1,
+  ROUNDED_TOP_RIGHT = 1 << 2,
+  ROUNDED_TOP = (1 << 1) | (1 << 2),
+  ROUNDED_BOTTOM_RIGHT = 1 << 3,
+  ROUNDED_ALL = 0xF
+};
+
+// Symbolic names for arguments to |drawn_borders| in ActAsRoundedWindow().
+enum BorderEdge {
+  BORDER_NONE = 0,
+  BORDER_LEFT = 1 << 0,
+  BORDER_TOP = 1 << 1,
+  BORDER_RIGHT = 1 << 2,
+  BORDER_BOTTOM = 1 << 3,
+  BORDER_ALL = 0xF
+};
+
+// Sets up the passed in widget that has its own GdkWindow with an expose
+// handler that forces the window shape into roundness. Caller should not set
+// an "expose-event" handler on |widget|; if caller needs to do custom
+// rendering, use SetRoundedWindowExposeFunction() instead. |rounded_edges|
+// control which corners are rounded. |drawn_borders| border control which
+// sides have a visible border drawn in |color|.
+void ActAsRoundedWindow(
+    GtkWidget* widget, const GdkColor& color, int corner_size,
+    int rounded_edges, int drawn_borders);
+
+// Undoes most of the actions of ActAsRoundedWindow().
+void StopActingAsRoundedWindow(GtkWidget* widget);
+
+// Returns true if the window is rounded.
+bool IsActingAsRoundedWindow(GtkWidget* widget);
+
+// Sets edge and border properties on a widget that has already been configured
+// with ActAsRoundedWindow().
+void SetRoundedWindowEdgesAndBorders(GtkWidget* widget,
+                                     int corner_size,
+                                     int rounded_edges,
+                                     int drawn_borders);
+
+// Sets the color of the border on a widget that has already been configured
+// with ActAsRoundedWindow().
+void SetRoundedWindowBorderColor(GtkWidget* widget, GdkColor color);
+
+
+}  // namespace gtk_util
+
+#endif  // CHROME_BROWSER_GTK_ROUNDED_WINDOW_H_