1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
// Copyright (c) 2012 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 UI_VIEWS_WINDOW_CUSTOM_FRAME_VIEW_H_
#define UI_VIEWS_WINDOW_CUSTOM_FRAME_VIEW_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/window/frame_buttons.h"
#include "ui/views/window/non_client_view.h"
namespace gfx {
class ImageSkia;
}
namespace views {
class FrameBackground;
class ImageButton;
class Widget;
///////////////////////////////////////////////////////////////////////////////
//
// CustomFrameView
//
// A view that provides the non client frame for Windows. This means
// rendering the non-standard window caption, border, and controls.
//
////////////////////////////////////////////////////////////////////////////////
class VIEWS_EXPORT CustomFrameView : public NonClientFrameView,
public ButtonListener {
public:
CustomFrameView();
virtual ~CustomFrameView();
void Init(Widget* frame);
// Overridden from NonClientFrameView:
virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
virtual gfx::Rect GetWindowBoundsForClientBounds(
const gfx::Rect& client_bounds) const OVERRIDE;
virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
virtual void GetWindowMask(const gfx::Size& size,
gfx::Path* window_mask) OVERRIDE;
virtual void ResetWindowControls() OVERRIDE;
virtual void UpdateWindowIcon() OVERRIDE;
virtual void UpdateWindowTitle() OVERRIDE;
// Overridden from View:
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
virtual void Layout() OVERRIDE;
virtual gfx::Size GetPreferredSize() const OVERRIDE;
virtual gfx::Size GetMinimumSize() const OVERRIDE;
virtual gfx::Size GetMaximumSize() const OVERRIDE;
// Overridden from ButtonListener:
virtual void ButtonPressed(Button* sender, const ui::Event& event) OVERRIDE;
private:
friend class CustomFrameViewTest;
// Returns the thickness of the border that makes up the window frame edges.
// This does not include any client edge.
int FrameBorderThickness() const;
// Returns the thickness of the entire nonclient left, right, and bottom
// borders, including both the window frame and any client edge.
int NonClientBorderThickness() const;
// Returns the height of the entire nonclient top border, including the window
// frame, any title area, and any connected client edge.
int NonClientTopBorderHeight() const;
// Returns the y-coordinate of the caption buttons.
int CaptionButtonY() const;
// Returns the thickness of the nonclient portion of the 3D edge along the
// bottom of the titlebar.
int TitlebarBottomThickness() const;
// Returns the size of the titlebar icon. This is used even when the icon is
// not shown, e.g. to set the titlebar height.
int IconSize() const;
// Returns the bounds of the titlebar icon (or where the icon would be if
// there was one).
gfx::Rect IconBounds() const;
// Returns true if the title bar, caption buttons, and frame border should be
// drawn. If false, the client view occupies the full area of this view.
bool ShouldShowTitleBarAndBorder() const;
// Returns true if the client edge should be drawn. This is true if
// the window is not maximized.
bool ShouldShowClientEdge() const;
// Paint various sub-components of this view.
void PaintRestoredFrameBorder(gfx::Canvas* canvas);
void PaintMaximizedFrameBorder(gfx::Canvas* canvas);
void PaintTitleBar(gfx::Canvas* canvas);
void PaintRestoredClientEdge(gfx::Canvas* canvas);
// Compute aspects of the frame needed to paint the frame background.
SkColor GetFrameColor() const;
const gfx::ImageSkia* GetFrameImage() const;
// Performs the layout for the window control buttons based on the
// configuration specified in WindowButtonOrderProvider. The sizing and
// positions of the buttons affects LayoutTitleBar, call this beforehand.
void LayoutWindowControls();
// Calculations depend on the positions of the window controls. Always call
// LayoutWindowControls beforehand.
void LayoutTitleBar();
void LayoutClientView();
// Creates, adds and returns a new window caption button (e.g, minimize,
// maximize, restore).
ImageButton* InitWindowCaptionButton(int accessibility_string_id,
int normal_image_id,
int hot_image_id,
int pushed_image_id);
// Returns the window caption button for the given FrameButton type, if it
// should be visible. Otherwise NULL.
ImageButton* GetImageButton(views::FrameButton button);
// The bounds of the client view, in this view's coordinates.
gfx::Rect client_view_bounds_;
// The layout rect of the title, if visible.
gfx::Rect title_bounds_;
// Not owned.
Widget* frame_;
// The icon of this window. May be NULL.
ImageButton* window_icon_;
// Window caption buttons.
ImageButton* minimize_button_;
ImageButton* maximize_button_;
ImageButton* restore_button_;
ImageButton* close_button_;
// Should maximize button be shown?
bool should_show_maximize_button_;
// Background painter for the window frame.
scoped_ptr<FrameBackground> frame_background_;
// The horizontal boundaries for the title bar to layout within. Restricted
// by the space used by the leading and trailing buttons.
int minimum_title_bar_x_;
int maximum_title_bar_x_;
DISALLOW_COPY_AND_ASSIGN(CustomFrameView);
};
} // namespace views
#endif // UI_VIEWS_WINDOW_CUSTOM_FRAME_VIEW_H_
|
