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 3 // found in the LICENSE file. 4 5 #ifndef UI_BASE_CURSOR_CURSOR_H_ 6 #define UI_BASE_CURSOR_CURSOR_H_ 7 8 #include "build/build_config.h" 9 #include "ui/base/ui_export.h" 10 11 namespace gfx { 12 class Point; 13 class Size; 14 } 15 16 #if defined(OS_WIN) 17 typedef struct HINSTANCE__* HINSTANCE; 18 typedef struct HICON__* HICON; 19 typedef HICON HCURSOR; 20 #endif 21 22 namespace ui { 23 24 #if defined(OS_WIN) 25 typedef ::HCURSOR PlatformCursor; 26 #elif defined(USE_X11) 27 typedef unsigned long PlatformCursor; 28 #else 29 typedef void* PlatformCursor; 30 #endif 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 // Ref-counted cursor that supports both default and custom cursors. 86 class UI_EXPORT Cursor { 87 public: 88 Cursor(); 89 90 // Implicit constructor. 91 Cursor(int type); 92 93 // Allow copy. 94 Cursor(const Cursor& cursor); 95 96 ~Cursor(); 97 98 void SetPlatformCursor(const PlatformCursor& platform); 99 100 void RefCustomCursor(); 101 void UnrefCustomCursor(); 102 103 int native_type() const { return native_type_; } 104 PlatformCursor platform() const { return platform_cursor_; } 105 float device_scale_factor() const { 106 return device_scale_factor_; 107 } 108 void set_device_scale_factor(float device_scale_factor) { 109 device_scale_factor_ = device_scale_factor; 110 } 111 112 bool operator==(int type) const { return native_type_ == type; } 113 bool operator==(const Cursor& cursor) const { 114 return native_type_ == cursor.native_type_ && 115 platform_cursor_ == cursor.platform_cursor_ && 116 device_scale_factor_ == cursor.device_scale_factor_; 117 } 118 bool operator!=(int type) const { return native_type_ != type; } 119 bool operator!=(const Cursor& cursor) const { 120 return native_type_ != cursor.native_type_ || 121 platform_cursor_ != cursor.platform_cursor_ || 122 device_scale_factor_ != cursor.device_scale_factor_; 123 } 124 125 void operator=(const Cursor& cursor) { 126 Assign(cursor); 127 } 128 129 private: 130 void Assign(const Cursor& cursor); 131 132 // See definitions above. 133 int native_type_; 134 135 PlatformCursor platform_cursor_; 136 137 // The device scale factor for the cursor. 138 float device_scale_factor_; 139 }; 140 141 } // namespace ui 142 143 #endif // UI_BASE_CURSOR_CURSOR_H_ 144
