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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_EVENTS_EVENT_UTILS_H_ | 5 #ifndef UI_EVENTS_EVENT_UTILS_H_ |
6 #define UI_EVENTS_EVENT_UTILS_H_ | 6 #define UI_EVENTS_EVENT_UTILS_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
11 | 11 |
12 #include "base/event_types.h" | 12 #include "base/event_types.h" |
13 #include "base/strings/string16.h" | 13 #include "base/strings/string16.h" |
14 #include "build/build_config.h" | 14 #include "build/build_config.h" |
| 15 #include "ui/display/display.h" |
15 #include "ui/events/event.h" | 16 #include "ui/events/event.h" |
16 #include "ui/events/event_constants.h" | 17 #include "ui/events/event_constants.h" |
17 #include "ui/events/events_export.h" | 18 #include "ui/events/events_export.h" |
18 #include "ui/events/keycodes/keyboard_codes.h" | 19 #include "ui/events/keycodes/keyboard_codes.h" |
19 #include "ui/gfx/display.h" | |
20 #include "ui/gfx/native_widget_types.h" | 20 #include "ui/gfx/native_widget_types.h" |
21 | 21 |
22 #if defined(OS_WIN) | 22 #if defined(OS_WIN) |
23 #include <windows.h> | 23 #include <windows.h> |
24 #endif | 24 #endif |
25 | 25 |
26 namespace gfx { | 26 namespace gfx { |
27 class Point; | 27 class Point; |
28 class Vector2d; | 28 class Vector2d; |
29 } | 29 } |
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145 float* x_offset, | 145 float* x_offset, |
146 float* y_offset, | 146 float* y_offset, |
147 float* x_offset_ordinal, | 147 float* x_offset_ordinal, |
148 float* y_offset_ordinal, | 148 float* y_offset_ordinal, |
149 int* finger_count); | 149 int* finger_count); |
150 | 150 |
151 // Returns whether natural scrolling should be used for touchpad. | 151 // Returns whether natural scrolling should be used for touchpad. |
152 EVENTS_EXPORT bool ShouldDefaultToNaturalScroll(); | 152 EVENTS_EXPORT bool ShouldDefaultToNaturalScroll(); |
153 | 153 |
154 // Returns whether or not the internal display produces touch events. | 154 // Returns whether or not the internal display produces touch events. |
155 EVENTS_EXPORT gfx::Display::TouchSupport GetInternalDisplayTouchSupport(); | 155 EVENTS_EXPORT display::Display::TouchSupport GetInternalDisplayTouchSupport(); |
156 | 156 |
157 #if defined(OS_WIN) | 157 #if defined(OS_WIN) |
158 EVENTS_EXPORT int GetModifiersFromKeyState(); | 158 EVENTS_EXPORT int GetModifiersFromKeyState(); |
159 | 159 |
160 // Returns true if |message| identifies a mouse event that was generated as the | 160 // Returns true if |message| identifies a mouse event that was generated as the |
161 // result of a touch event. | 161 // result of a touch event. |
162 EVENTS_EXPORT bool IsMouseEventFromTouch(UINT message); | 162 EVENTS_EXPORT bool IsMouseEventFromTouch(UINT message); |
163 | 163 |
164 // Converts scan code and lParam each other. The scan code | 164 // Converts scan code and lParam each other. The scan code |
165 // representing an extended key contains 0xE000 bits. | 165 // representing an extended key contains 0xE000 bits. |
166 EVENTS_EXPORT uint16_t GetScanCodeFromLParam(LPARAM lParam); | 166 EVENTS_EXPORT uint16_t GetScanCodeFromLParam(LPARAM lParam); |
167 EVENTS_EXPORT LPARAM GetLParamFromScanCode(uint16_t scan_code); | 167 EVENTS_EXPORT LPARAM GetLParamFromScanCode(uint16_t scan_code); |
168 | 168 |
169 #endif | 169 #endif |
170 | 170 |
171 #if defined(USE_X11) | 171 #if defined(USE_X11) |
172 // Update the native X11 event to correspond to the new flags. | 172 // Update the native X11 event to correspond to the new flags. |
173 EVENTS_EXPORT void UpdateX11EventForFlags(Event* event); | 173 EVENTS_EXPORT void UpdateX11EventForFlags(Event* event); |
174 // Update the native X11 event to correspond to the new button flags. | 174 // Update the native X11 event to correspond to the new button flags. |
175 EVENTS_EXPORT void UpdateX11EventForChangedButtonFlags(MouseEvent* event); | 175 EVENTS_EXPORT void UpdateX11EventForChangedButtonFlags(MouseEvent* event); |
176 #endif | 176 #endif |
177 | 177 |
178 // Registers a custom event type. | 178 // Registers a custom event type. |
179 EVENTS_EXPORT int RegisterCustomEventType(); | 179 EVENTS_EXPORT int RegisterCustomEventType(); |
180 | 180 |
181 } // namespace ui | 181 } // namespace ui |
182 | 182 |
183 #endif // UI_EVENTS_EVENT_UTILS_H_ | 183 #endif // UI_EVENTS_EVENT_UTILS_H_ |
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