1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_UI_GTK_ROUNDED_WINDOW_H_ 6 #define CHROME_BROWSER_UI_GTK_ROUNDED_WINDOW_H_ 7 #pragma once 8 9 #include <gtk/gtk.h> 10 11 namespace gtk_util { 12 13 // Symbolic names for arguments to |rounded_edges| in ActAsRoundedWindow(). 14 enum RoundedBorders { 15 ROUNDED_NONE = 0, 16 ROUNDED_BOTTOM_LEFT = 1 << 0, 17 ROUNDED_TOP_LEFT = 1 << 1, 18 ROUNDED_TOP_RIGHT = 1 << 2, 19 ROUNDED_TOP = (1 << 1) | (1 << 2), 20 ROUNDED_BOTTOM_RIGHT = 1 << 3, 21 ROUNDED_ALL = 0xF 22 }; 23 24 // Symbolic names for arguments to |drawn_borders| in ActAsRoundedWindow(). 25 enum BorderEdge { 26 BORDER_NONE = 0, 27 BORDER_LEFT = 1 << 0, 28 BORDER_TOP = 1 << 1, 29 BORDER_RIGHT = 1 << 2, 30 BORDER_BOTTOM = 1 << 3, 31 BORDER_ALL = 0xF 32 }; 33 34 // Sets up the passed in widget that has its own GdkWindow with an expose 35 // handler that forces the window shape into roundness. Caller should not set 36 // an "expose-event" handler on |widget|; if caller needs to do custom 37 // rendering, use SetRoundedWindowExposeFunction() instead. |rounded_edges| 38 // control which corners are rounded. |drawn_borders| border control which 39 // sides have a visible border drawn in |color|. 40 void ActAsRoundedWindow( 41 GtkWidget* widget, const GdkColor& color, int corner_size, 42 int rounded_edges, int drawn_borders); 43 44 // Undoes most of the actions of ActAsRoundedWindow(). 45 void StopActingAsRoundedWindow(GtkWidget* widget); 46 47 // Returns true if the window is rounded. 48 bool IsActingAsRoundedWindow(GtkWidget* widget); 49 50 // Sets edge and border properties on a widget that has already been configured 51 // with ActAsRoundedWindow(). 52 void SetRoundedWindowEdgesAndBorders(GtkWidget* widget, 53 int corner_size, 54 int rounded_edges, 55 int drawn_borders); 56 57 // Sets the color of the border on a widget that has already been configured 58 // with ActAsRoundedWindow(). 59 void SetRoundedWindowBorderColor(GtkWidget* widget, GdkColor color); 60 61 62 } // namespace gtk_util 63 64 #endif // CHROME_BROWSER_UI_GTK_ROUNDED_WINDOW_H_ 65