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
|
// Copyright (c) 2011 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_WAYLAND_WAYLAND_SCREEN_H_
#define UI_WAYLAND_WAYLAND_SCREEN_H_
#include <stdint.h>
#include <list>
#include "base/basictypes.h"
#include "ui/gfx/point.h"
#include "ui/gfx/rect.h"
struct wl_output;
namespace ui {
class WaylandDisplay;
// WaylandScreen objects keep track of the current outputs (screens/monitors)
// that are available to the application.
class WaylandScreen {
public:
WaylandScreen(WaylandDisplay* display, uint32_t id);
~WaylandScreen();
// Returns the active allocation of the screen.
gfx::Rect GetAllocation() const;
private:
// Used to store information regarding the available modes for the current
// screen.
// - (width, height): is the resolution of the screen
// - refresh: is the refresh rate of the screen under this mode
// - flags: contains extra information regarding the mode. The most important
// is the active mode flag.
struct Mode {
int32_t width, height, refresh, flags;
};
typedef std::list<Mode> Modes;
// Callback functions that allows the display to initialize the screen's
// position and available modes.
static void OutputHandleGeometry(void* data,
wl_output* output,
int32_t x,
int32_t y,
int32_t physical_width,
int32_t physical_height,
int32_t subpixel,
const char* make,
const char* model);
static void OutputHandleMode(void* data,
wl_output* wl_output,
uint32_t flags,
int32_t width,
int32_t height,
int32_t refresh);
// The Wayland output this object wraps
wl_output* output_;
// The display that the output is associated with
WaylandDisplay* display_;
// The position of the screen. This is important in multi monitor display
// since it provides the position of the screen in the virtual screen.
gfx::Point position_;
// List of supported modes
Modes modes_;
DISALLOW_COPY_AND_ASSIGN(WaylandScreen);
};
} // namespace ui
#endif // UI_WAYLAND_WAYLAND_SCREEN_H_
|
