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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_BASE_CURSOR_CURSOR_H_ | 5 #ifndef UI_BASE_CURSOR_CURSOR_H_ |
6 #define UI_BASE_CURSOR_CURSOR_H_ | 6 #define UI_BASE_CURSOR_CURSOR_H_ |
7 | 7 |
8 #include "build/build_config.h" | 8 #include "build/build_config.h" |
9 #include "ui/base/ui_base_export.h" | 9 #include "ui/base/ui_base_export.h" |
10 | 10 |
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22 namespace ui { | 22 namespace ui { |
23 | 23 |
24 #if defined(OS_WIN) | 24 #if defined(OS_WIN) |
25 typedef ::HCURSOR PlatformCursor; | 25 typedef ::HCURSOR PlatformCursor; |
26 #elif defined(USE_X11) | 26 #elif defined(USE_X11) |
27 typedef unsigned long PlatformCursor; | 27 typedef unsigned long PlatformCursor; |
28 #else | 28 #else |
29 typedef void* PlatformCursor; | 29 typedef void* PlatformCursor; |
30 #endif | 30 #endif |
31 | 31 |
32 // TODO(jamescook): Once we're on C++0x we could change these constants | |
33 // to an enum and forward declare it in native_widget_types.h. | |
34 | |
35 // Equivalent to a NULL HCURSOR on Windows. | |
36 const int kCursorNull = 0; | |
37 | |
38 // These cursors mirror WebKit cursors from WebCursorInfo, but are replicated | |
39 // here so we don't introduce a WebKit dependency. | |
40 const int kCursorPointer = 1; | |
41 const int kCursorCross = 2; | |
42 const int kCursorHand = 3; | |
43 const int kCursorIBeam = 4; | |
44 const int kCursorWait = 5; | |
45 const int kCursorHelp = 6; | |
46 const int kCursorEastResize = 7; | |
47 const int kCursorNorthResize = 8; | |
48 const int kCursorNorthEastResize = 9; | |
49 const int kCursorNorthWestResize = 10; | |
50 const int kCursorSouthResize = 11; | |
51 const int kCursorSouthEastResize = 12; | |
52 const int kCursorSouthWestResize = 13; | |
53 const int kCursorWestResize = 14; | |
54 const int kCursorNorthSouthResize = 15; | |
55 const int kCursorEastWestResize = 16; | |
56 const int kCursorNorthEastSouthWestResize = 17; | |
57 const int kCursorNorthWestSouthEastResize = 18; | |
58 const int kCursorColumnResize = 19; | |
59 const int kCursorRowResize = 20; | |
60 const int kCursorMiddlePanning = 21; | |
61 const int kCursorEastPanning = 22; | |
62 const int kCursorNorthPanning = 23; | |
63 const int kCursorNorthEastPanning = 24; | |
64 const int kCursorNorthWestPanning = 25; | |
65 const int kCursorSouthPanning = 26; | |
66 const int kCursorSouthEastPanning = 27; | |
67 const int kCursorSouthWestPanning = 28; | |
68 const int kCursorWestPanning = 29; | |
69 const int kCursorMove = 30; | |
70 const int kCursorVerticalText = 31; | |
71 const int kCursorCell = 32; | |
72 const int kCursorContextMenu = 33; | |
73 const int kCursorAlias = 34; | |
74 const int kCursorProgress = 35; | |
75 const int kCursorNoDrop = 36; | |
76 const int kCursorCopy = 37; | |
77 const int kCursorNone = 38; | |
78 const int kCursorNotAllowed = 39; | |
79 const int kCursorZoomIn = 40; | |
80 const int kCursorZoomOut = 41; | |
81 const int kCursorGrab = 42; | |
82 const int kCursorGrabbing = 43; | |
83 const int kCursorCustom = 44; | |
84 | |
85 enum CursorSetType { | |
86 CURSOR_SET_NORMAL, | |
87 CURSOR_SET_LARGE | |
88 }; | |
89 | |
90 // Ref-counted cursor that supports both default and custom cursors. | |
91 class UI_BASE_EXPORT Cursor { | |
92 public: | |
93 Cursor(); | |
94 | |
95 // Implicit constructor. | |
96 Cursor(int type); | |
97 | |
98 // Allow copy. | |
99 Cursor(const Cursor& cursor); | |
100 | |
101 ~Cursor(); | |
102 | |
103 void SetPlatformCursor(const PlatformCursor& platform); | |
104 | |
105 void RefCustomCursor(); | |
106 void UnrefCustomCursor(); | |
107 | |
108 int native_type() const { return native_type_; } | |
109 PlatformCursor platform() const { return platform_cursor_; } | |
110 float device_scale_factor() const { | |
111 return device_scale_factor_; | |
112 } | |
113 void set_device_scale_factor(float device_scale_factor) { | |
114 device_scale_factor_ = device_scale_factor; | |
115 } | |
116 | |
117 bool operator==(int type) const { return native_type_ == type; } | |
118 bool operator==(const Cursor& cursor) const { | |
119 return native_type_ == cursor.native_type_ && | |
120 platform_cursor_ == cursor.platform_cursor_ && | |
121 device_scale_factor_ == cursor.device_scale_factor_; | |
122 } | |
123 bool operator!=(int type) const { return native_type_ != type; } | |
124 bool operator!=(const Cursor& cursor) const { | |
125 return native_type_ != cursor.native_type_ || | |
126 platform_cursor_ != cursor.platform_cursor_ || | |
127 device_scale_factor_ != cursor.device_scale_factor_; | |
128 } | |
129 | |
130 void operator=(const Cursor& cursor) { | |
131 Assign(cursor); | |
132 } | |
133 | |
134 private: | |
135 void Assign(const Cursor& cursor); | |
136 | |
137 // See definitions above. | |
138 int native_type_; | |
139 | |
140 PlatformCursor platform_cursor_; | |
141 | |
142 // The device scale factor for the cursor. | |
143 float device_scale_factor_; | |
144 }; | |
145 | |
146 } // namespace ui | 32 } // namespace ui |
147 | 33 |
148 #endif // UI_BASE_CURSOR_CURSOR_H_ | 34 #endif // UI_BASE_CURSOR_CURSOR_H_ |
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