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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_OZONE_EVDEV_EVENT_MODIFIERS_EVDEV_H_ | 5 #ifndef UI_EVENTS_OZONE_EVDEV_EVENT_MODIFIERS_EVDEV_H_ |
| 6 #define UI_EVENTS_OZONE_EVDEV_EVENT_MODIFIERS_EVDEV_H_ | 6 #define UI_EVENTS_OZONE_EVDEV_EVENT_MODIFIERS_EVDEV_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h" | 9 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h" |
| 10 | 10 |
| 11 namespace ui { | 11 namespace ui { |
| 12 | 12 |
| 13 enum { | 13 enum { |
| 14 EVDEV_MODIFIER_NONE, | 14 EVDEV_MODIFIER_NONE, |
| 15 EVDEV_MODIFIER_CAPS_LOCK, | 15 EVDEV_MODIFIER_CAPS_LOCK_HELD, |
| 16 EVDEV_MODIFIER_CAPS_LOCKED_STATE, |
| 16 EVDEV_MODIFIER_SHIFT, | 17 EVDEV_MODIFIER_SHIFT, |
| 17 EVDEV_MODIFIER_CONTROL, | 18 EVDEV_MODIFIER_CONTROL, |
| 18 EVDEV_MODIFIER_ALT, | 19 EVDEV_MODIFIER_ALT, |
| 19 EVDEV_MODIFIER_LEFT_MOUSE_BUTTON, | 20 EVDEV_MODIFIER_LEFT_MOUSE_BUTTON, |
| 20 EVDEV_MODIFIER_MIDDLE_MOUSE_BUTTON, | 21 EVDEV_MODIFIER_MIDDLE_MOUSE_BUTTON, |
| 21 EVDEV_MODIFIER_RIGHT_MOUSE_BUTTON, | 22 EVDEV_MODIFIER_RIGHT_MOUSE_BUTTON, |
| 22 EVDEV_MODIFIER_COMMAND, | 23 EVDEV_MODIFIER_COMMAND, |
| 23 EVDEV_MODIFIER_ALTGR, | 24 EVDEV_MODIFIER_ALTGR, |
| 24 EVDEV_NUM_MODIFIERS | 25 EVDEV_NUM_MODIFIERS |
| 25 }; | 26 }; |
| (...skipping 23 matching lines...) Expand all Loading... |
| 49 | 50 |
| 50 // Record key press or release for locking modifier key (caps lock). | 51 // Record key press or release for locking modifier key (caps lock). |
| 51 void UpdateModifierLock(unsigned int modifier, bool down); | 52 void UpdateModifierLock(unsigned int modifier, bool down); |
| 52 | 53 |
| 53 // Directly set the state of a locking modifier key (caps lock). | 54 // Directly set the state of a locking modifier key (caps lock). |
| 54 void SetModifierLock(unsigned int modifier, bool locked); | 55 void SetModifierLock(unsigned int modifier, bool locked); |
| 55 | 56 |
| 56 // Return current flags to use for incoming events. | 57 // Return current flags to use for incoming events. |
| 57 int GetModifierFlags(); | 58 int GetModifierFlags(); |
| 58 | 59 |
| 60 // Return current flags that are "locked". |
| 61 int GetModifierLockFlags(); |
| 62 |
| 59 // Return the mask for the specified modifier. | 63 // Return the mask for the specified modifier. |
| 60 static int GetEventFlagFromModifier(unsigned int modifier); | 64 static int GetEventFlagFromModifier(unsigned int modifier); |
| 61 | 65 |
| 62 private: | 66 private: |
| 63 // Count of keys pressed for each modifier. | 67 // Count of keys pressed for each modifier. |
| 64 int modifiers_down_[EVDEV_NUM_MODIFIERS]; | 68 int modifiers_down_[EVDEV_NUM_MODIFIERS]; |
| 65 | 69 |
| 66 // Mask of modifier flags currently "locked". | 70 // Mask of modifier flags currently "locked". |
| 67 int modifier_flags_locked_; | 71 int modifier_flags_locked_; |
| 68 | 72 |
| 69 // Mask of modifier flags currently active (nonzero keys pressed xor locked). | 73 // Mask of modifier flags currently active (nonzero keys pressed xor locked). |
| 70 int modifier_flags_; | 74 int modifier_flags_; |
| 71 | 75 |
| 72 // Update modifier_flags_ from modifiers_down_ and modifier_flags_locked_. | 76 // Update modifier_flags_ from modifiers_down_ and modifier_flags_locked_. |
| 73 void UpdateFlags(unsigned int modifier); | 77 void UpdateFlags(unsigned int modifier); |
| 74 | 78 |
| 75 DISALLOW_COPY_AND_ASSIGN(EventModifiersEvdev); | 79 DISALLOW_COPY_AND_ASSIGN(EventModifiersEvdev); |
| 76 }; | 80 }; |
| 77 | 81 |
| 78 } // namspace ui | 82 } // namspace ui |
| 79 | 83 |
| 80 #endif // UI_EVENTS_OZONE_EVDEV_EVENT_MODIFIERS_EVDEV_H_ | 84 #endif // UI_EVENTS_OZONE_EVDEV_EVENT_MODIFIERS_EVDEV_H_ |
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