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Side by Side Diff: ui/base/win/events_win.cc

Issue 8113028: Consolidate ui::NativeEvent and base::NativeEvent (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: fix build Created 9 years, 2 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 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 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 #include <windowsx.h> 5 #include <windowsx.h>
6 6
7 #include "ui/base/events.h" 7 #include "ui/base/events.h"
8 8
9 #include "base/logging.h" 9 #include "base/logging.h"
10 #include "ui/base/keycodes/keyboard_code_conversion_win.h" 10 #include "ui/base/keycodes/keyboard_code_conversion_win.h"
11 #include "ui/gfx/point.h" 11 #include "ui/gfx/point.h"
12 12
13 namespace { 13 namespace {
14 14
15 // Get the native mouse key state from the native event message type. 15 // Get the native mouse key state from the native event message type.
16 int GetNativeMouseKey(const ui::NativeEvent& native_event) { 16 int GetNativeMouseKey(const base::NativeEvent& native_event) {
17 switch (native_event.message) { 17 switch (native_event.message) {
18 case WM_LBUTTONDBLCLK: 18 case WM_LBUTTONDBLCLK:
19 case WM_LBUTTONDOWN: 19 case WM_LBUTTONDOWN:
20 case WM_LBUTTONUP: 20 case WM_LBUTTONUP:
21 case WM_NCLBUTTONDBLCLK: 21 case WM_NCLBUTTONDBLCLK:
22 case WM_NCLBUTTONDOWN: 22 case WM_NCLBUTTONDOWN:
23 case WM_NCLBUTTONUP: 23 case WM_NCLBUTTONUP:
24 return MK_LBUTTON; 24 return MK_LBUTTON;
25 case WM_MBUTTONDBLCLK: 25 case WM_MBUTTONDBLCLK:
26 case WM_MBUTTONDOWN: 26 case WM_MBUTTONDOWN:
(...skipping 13 matching lines...) Expand all
40 case WM_NCXBUTTONDOWN: 40 case WM_NCXBUTTONDOWN:
41 case WM_NCXBUTTONUP: 41 case WM_NCXBUTTONUP:
42 case WM_XBUTTONDBLCLK: 42 case WM_XBUTTONDBLCLK:
43 case WM_XBUTTONDOWN: 43 case WM_XBUTTONDOWN:
44 case WM_XBUTTONUP: 44 case WM_XBUTTONUP:
45 return MK_XBUTTON1; 45 return MK_XBUTTON1;
46 } 46 }
47 return 0; 47 return 0;
48 } 48 }
49 49
50 bool IsButtonDown(const ui::NativeEvent& native_event) { 50 bool IsButtonDown(const base::NativeEvent& native_event) {
51 return ((MK_LBUTTON | MK_MBUTTON | MK_RBUTTON | MK_XBUTTON1 | MK_XBUTTON2) & 51 return ((MK_LBUTTON | MK_MBUTTON | MK_RBUTTON | MK_XBUTTON1 | MK_XBUTTON2) &
52 native_event.wParam) != 0; 52 native_event.wParam) != 0;
53 } 53 }
54 54
55 bool IsClientMouseEvent(const ui::NativeEvent& native_event) { 55 bool IsClientMouseEvent(const base::NativeEvent& native_event) {
56 return native_event.message == WM_MOUSELEAVE || 56 return native_event.message == WM_MOUSELEAVE ||
57 native_event.message == WM_MOUSEHOVER || 57 native_event.message == WM_MOUSEHOVER ||
58 (native_event.message >= WM_MOUSEFIRST && 58 (native_event.message >= WM_MOUSEFIRST &&
59 native_event.message <= WM_MOUSELAST); 59 native_event.message <= WM_MOUSELAST);
60 } 60 }
61 61
62 bool IsNonClientMouseEvent(const ui::NativeEvent& native_event) { 62 bool IsNonClientMouseEvent(const base::NativeEvent& native_event) {
63 return native_event.message == WM_NCMOUSELEAVE || 63 return native_event.message == WM_NCMOUSELEAVE ||
64 native_event.message == WM_NCMOUSEHOVER || 64 native_event.message == WM_NCMOUSEHOVER ||
65 (native_event.message >= WM_NCMOUSEMOVE && 65 (native_event.message >= WM_NCMOUSEMOVE &&
66 native_event.message <= WM_NCXBUTTONDBLCLK); 66 native_event.message <= WM_NCXBUTTONDBLCLK);
67 } 67 }
68 68
69 bool IsDoubleClickMouseEvent(const ui::NativeEvent& native_event) { 69 bool IsDoubleClickMouseEvent(const base::NativeEvent& native_event) {
70 return native_event.message == WM_NCLBUTTONDBLCLK || 70 return native_event.message == WM_NCLBUTTONDBLCLK ||
71 native_event.message == WM_NCMBUTTONDBLCLK || 71 native_event.message == WM_NCMBUTTONDBLCLK ||
72 native_event.message == WM_NCRBUTTONDBLCLK || 72 native_event.message == WM_NCRBUTTONDBLCLK ||
73 native_event.message == WM_NCXBUTTONDBLCLK || 73 native_event.message == WM_NCXBUTTONDBLCLK ||
74 native_event.message == WM_LBUTTONDBLCLK || 74 native_event.message == WM_LBUTTONDBLCLK ||
75 native_event.message == WM_MBUTTONDBLCLK || 75 native_event.message == WM_MBUTTONDBLCLK ||
76 native_event.message == WM_RBUTTONDBLCLK || 76 native_event.message == WM_RBUTTONDBLCLK ||
77 native_event.message == WM_XBUTTONDBLCLK; 77 native_event.message == WM_XBUTTONDBLCLK;
78 } 78 }
79 79
80 // Returns a mask corresponding to the set of pressed modifier keys. 80 // Returns a mask corresponding to the set of pressed modifier keys.
81 // Checks the current global state and the state sent by client mouse messages. 81 // Checks the current global state and the state sent by client mouse messages.
82 int KeyStateFlagsFromNative(const ui::NativeEvent& native_event) { 82 int KeyStateFlagsFromNative(const base::NativeEvent& native_event) {
83 int flags = 0; 83 int flags = 0;
84 flags |= (GetKeyState(VK_MENU) & 0x80) ? ui::EF_ALT_DOWN : 0; 84 flags |= (GetKeyState(VK_MENU) & 0x80) ? ui::EF_ALT_DOWN : 0;
85 flags |= (GetKeyState(VK_SHIFT) & 0x80) ? ui::EF_SHIFT_DOWN : 0; 85 flags |= (GetKeyState(VK_SHIFT) & 0x80) ? ui::EF_SHIFT_DOWN : 0;
86 flags |= (GetKeyState(VK_CONTROL) & 0x80) ? ui::EF_CONTROL_DOWN : 0; 86 flags |= (GetKeyState(VK_CONTROL) & 0x80) ? ui::EF_CONTROL_DOWN : 0;
87 flags |= (HIWORD(native_event.lParam) & KF_EXTENDED) ? ui::EF_EXTENDED : 0; 87 flags |= (HIWORD(native_event.lParam) & KF_EXTENDED) ? ui::EF_EXTENDED : 0;
88 88
89 // Most client mouse messages include key state information. 89 // Most client mouse messages include key state information.
90 if (IsClientMouseEvent(native_event)) { 90 if (IsClientMouseEvent(native_event)) {
91 int win_flags = GET_KEYSTATE_WPARAM(native_event.wParam); 91 int win_flags = GET_KEYSTATE_WPARAM(native_event.wParam);
92 flags |= (win_flags & MK_SHIFT) ? ui::EF_SHIFT_DOWN : 0; 92 flags |= (win_flags & MK_SHIFT) ? ui::EF_SHIFT_DOWN : 0;
93 flags |= (win_flags & MK_CONTROL) ? ui::EF_CONTROL_DOWN : 0; 93 flags |= (win_flags & MK_CONTROL) ? ui::EF_CONTROL_DOWN : 0;
94 } 94 }
95 95
96 return flags; 96 return flags;
97 } 97 }
98 98
99 // Returns a mask corresponding to the set of pressed mouse buttons. 99 // Returns a mask corresponding to the set of pressed mouse buttons.
100 // This includes the button of the given message, even if it is being released. 100 // This includes the button of the given message, even if it is being released.
101 int MouseStateFlagsFromNative(const ui::NativeEvent& native_event) { 101 int MouseStateFlagsFromNative(const base::NativeEvent& native_event) {
102 // TODO(msw): ORing the pressed/released button into the flags is _wrong_. 102 // TODO(msw): ORing the pressed/released button into the flags is _wrong_.
103 // It makes it impossible to tell which button was modified when multiple 103 // It makes it impossible to tell which button was modified when multiple
104 // buttons are/were held down. Instead, we need to track the modified button 104 // buttons are/were held down. Instead, we need to track the modified button
105 // independently and audit event consumers to do the right thing. 105 // independently and audit event consumers to do the right thing.
106 int win_flags = GetNativeMouseKey(native_event); 106 int win_flags = GetNativeMouseKey(native_event);
107 107
108 // Client mouse messages provide key states in their WPARAMs. 108 // Client mouse messages provide key states in their WPARAMs.
109 if (IsClientMouseEvent(native_event)) 109 if (IsClientMouseEvent(native_event))
110 win_flags |= GET_KEYSTATE_WPARAM(native_event.wParam); 110 win_flags |= GET_KEYSTATE_WPARAM(native_event.wParam);
111 111
112 int flags = 0; 112 int flags = 0;
113 flags |= (win_flags & MK_LBUTTON) ? ui::EF_LEFT_BUTTON_DOWN : 0; 113 flags |= (win_flags & MK_LBUTTON) ? ui::EF_LEFT_BUTTON_DOWN : 0;
114 flags |= (win_flags & MK_MBUTTON) ? ui::EF_MIDDLE_BUTTON_DOWN : 0; 114 flags |= (win_flags & MK_MBUTTON) ? ui::EF_MIDDLE_BUTTON_DOWN : 0;
115 flags |= (win_flags & MK_RBUTTON) ? ui::EF_RIGHT_BUTTON_DOWN : 0; 115 flags |= (win_flags & MK_RBUTTON) ? ui::EF_RIGHT_BUTTON_DOWN : 0;
116 flags |= IsDoubleClickMouseEvent(native_event) ? ui::EF_IS_DOUBLE_CLICK: 0; 116 flags |= IsDoubleClickMouseEvent(native_event) ? ui::EF_IS_DOUBLE_CLICK: 0;
117 flags |= IsNonClientMouseEvent(native_event) ? ui::EF_IS_NON_CLIENT : 0; 117 flags |= IsNonClientMouseEvent(native_event) ? ui::EF_IS_NON_CLIENT : 0;
118 return flags; 118 return flags;
119 } 119 }
120 120
121 } // namespace 121 } // namespace
122 122
123 namespace ui { 123 namespace ui {
124 124
125 EventType EventTypeFromNative(const NativeEvent& native_event) { 125 EventType EventTypeFromNative(const base::NativeEvent& native_event) {
126 switch (native_event.message) { 126 switch (native_event.message) {
127 case WM_KEYDOWN: 127 case WM_KEYDOWN:
128 case WM_SYSKEYDOWN: 128 case WM_SYSKEYDOWN:
129 case WM_CHAR: 129 case WM_CHAR:
130 return ET_KEY_PRESSED; 130 return ET_KEY_PRESSED;
131 case WM_KEYUP: 131 case WM_KEYUP:
132 case WM_SYSKEYUP: 132 case WM_SYSKEYUP:
133 return ET_KEY_RELEASED; 133 return ET_KEY_RELEASED;
134 case WM_LBUTTONDBLCLK: 134 case WM_LBUTTONDBLCLK:
135 case WM_LBUTTONDOWN: 135 case WM_LBUTTONDOWN:
(...skipping 29 matching lines...) Expand all
165 return ET_MOUSEWHEEL; 165 return ET_MOUSEWHEEL;
166 case WM_MOUSELEAVE: 166 case WM_MOUSELEAVE:
167 case WM_NCMOUSELEAVE: 167 case WM_NCMOUSELEAVE:
168 return ET_MOUSE_EXITED; 168 return ET_MOUSE_EXITED;
169 default: 169 default:
170 NOTREACHED(); 170 NOTREACHED();
171 } 171 }
172 return ET_UNKNOWN; 172 return ET_UNKNOWN;
173 } 173 }
174 174
175 int EventFlagsFromNative(const NativeEvent& native_event) { 175 int EventFlagsFromNative(const base::NativeEvent& native_event) {
176 int flags = KeyStateFlagsFromNative(native_event); 176 int flags = KeyStateFlagsFromNative(native_event);
177 if (IsMouseEvent(native_event)) 177 if (IsMouseEvent(native_event))
178 flags |= MouseStateFlagsFromNative(native_event); 178 flags |= MouseStateFlagsFromNative(native_event);
179 179
180 return flags; 180 return flags;
181 } 181 }
182 182
183 gfx::Point EventLocationFromNative(const NativeEvent& native_event) { 183 gfx::Point EventLocationFromNative(const base::NativeEvent& native_event) {
184 // Client message. The position is contained in the LPARAM. 184 // Client message. The position is contained in the LPARAM.
185 if (IsClientMouseEvent(native_event)) 185 if (IsClientMouseEvent(native_event))
186 return gfx::Point(native_event.lParam); 186 return gfx::Point(native_event.lParam);
187 DCHECK(IsNonClientMouseEvent(native_event)); 187 DCHECK(IsNonClientMouseEvent(native_event));
188 // Non-client message. The position is contained in a POINTS structure in 188 // Non-client message. The position is contained in a POINTS structure in
189 // LPARAM, and is in screen coordinates so we have to convert to client. 189 // LPARAM, and is in screen coordinates so we have to convert to client.
190 POINT native_point = { GET_X_LPARAM(native_event.lParam), 190 POINT native_point = { GET_X_LPARAM(native_event.lParam),
191 GET_Y_LPARAM(native_event.lParam) }; 191 GET_Y_LPARAM(native_event.lParam) };
192 ScreenToClient(native_event.hwnd, &native_point); 192 ScreenToClient(native_event.hwnd, &native_point);
193 return gfx::Point(native_point); 193 return gfx::Point(native_point);
194 } 194 }
195 195
196 KeyboardCode KeyboardCodeFromNative(const NativeEvent& native_event) { 196 KeyboardCode KeyboardCodeFromNative(const base::NativeEvent& native_event) {
197 return KeyboardCodeForWindowsKeyCode(native_event.wParam); 197 return KeyboardCodeForWindowsKeyCode(native_event.wParam);
198 } 198 }
199 199
200 bool IsMouseEvent(const NativeEvent& native_event) { 200 bool IsMouseEvent(const base::NativeEvent& native_event) {
201 return IsClientMouseEvent(native_event) || 201 return IsClientMouseEvent(native_event) ||
202 IsNonClientMouseEvent(native_event); 202 IsNonClientMouseEvent(native_event);
203 } 203 }
204 204
205 int GetMouseWheelOffset(const NativeEvent& native_event) { 205 int GetMouseWheelOffset(const base::NativeEvent& native_event) {
206 DCHECK(native_event.message == WM_MOUSEWHEEL); 206 DCHECK(native_event.message == WM_MOUSEWHEEL);
207 return GET_WHEEL_DELTA_WPARAM(native_event.wParam); 207 return GET_WHEEL_DELTA_WPARAM(native_event.wParam);
208 } 208 }
209 209
210 } // namespace ui 210 } // namespace ui
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