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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 #include "ui/events/ozone/evdev/event_modifiers_evdev.h" | 5 #include "ui/events/ozone/evdev/event_modifiers_evdev.h" |
| 6 | 6 |
| 7 #include <linux/input.h> | 7 #include <linux/input.h> |
| 8 | 8 |
| 9 #include "ui/events/event.h" | 9 #include "ui/events/event.h" |
| 10 | 10 |
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| 48 | 48 |
| 49 UpdateFlags(modifier); | 49 UpdateFlags(modifier); |
| 50 } | 50 } |
| 51 | 51 |
| 52 void EventModifiersEvdev::UpdateModifierLock(unsigned int modifier, bool down) { | 52 void EventModifiersEvdev::UpdateModifierLock(unsigned int modifier, bool down) { |
| 53 DCHECK_LT(modifier, EVDEV_NUM_MODIFIERS); | 53 DCHECK_LT(modifier, EVDEV_NUM_MODIFIERS); |
| 54 | 54 |
| 55 if (down) | 55 if (down) |
| 56 modifier_flags_locked_ ^= kEventFlagFromModifiers[modifier]; | 56 modifier_flags_locked_ ^= kEventFlagFromModifiers[modifier]; |
| 57 | 57 |
| 58 // TODO(spang): Synchronize with the CapsLock LED. | |
| 59 | |
| 60 UpdateFlags(modifier); | 58 UpdateFlags(modifier); |
| 61 } | 59 } |
| 62 | 60 |
| 63 void EventModifiersEvdev::SetModifierLock(unsigned int modifier, bool locked) { | 61 void EventModifiersEvdev::SetModifierLock(unsigned int modifier, bool locked) { |
| 64 DCHECK_LT(modifier, EVDEV_NUM_MODIFIERS); | 62 DCHECK_LT(modifier, EVDEV_NUM_MODIFIERS); |
| 65 | 63 |
| 66 if (locked) | 64 if (locked) |
| 67 modifier_flags_locked_ |= kEventFlagFromModifiers[modifier]; | 65 modifier_flags_locked_ |= kEventFlagFromModifiers[modifier]; |
| 68 else | 66 else |
| 69 modifier_flags_locked_ &= ~kEventFlagFromModifiers[modifier]; | 67 modifier_flags_locked_ &= ~kEventFlagFromModifiers[modifier]; |
| 70 | 68 |
| 71 // TODO(spang): Synchronize with the CapsLock LED. | |
| 72 | |
| 73 UpdateFlags(modifier); | 69 UpdateFlags(modifier); |
| 74 } | 70 } |
| 75 | 71 |
| 76 void EventModifiersEvdev::UpdateFlags(unsigned int modifier) { | 72 void EventModifiersEvdev::UpdateFlags(unsigned int modifier) { |
| 77 int mask = kEventFlagFromModifiers[modifier]; | 73 int mask = kEventFlagFromModifiers[modifier]; |
| 78 bool down = modifiers_down_[modifier]; | 74 bool down = modifiers_down_[modifier]; |
| 79 bool locked = (modifier_flags_locked_ & mask); | 75 bool locked = (modifier_flags_locked_ & mask); |
| 80 if (down != locked) | 76 if (down != locked) |
| 81 modifier_flags_ |= mask; | 77 modifier_flags_ |= mask; |
| 82 else | 78 else |
| 83 modifier_flags_ &= ~mask; | 79 modifier_flags_ &= ~mask; |
| 84 } | 80 } |
| 85 | 81 |
| 86 int EventModifiersEvdev::GetModifierFlags() { return modifier_flags_; } | 82 int EventModifiersEvdev::GetModifierFlags() { return modifier_flags_; } |
| 87 | 83 |
| 88 // static | 84 // static |
| 89 int EventModifiersEvdev::GetEventFlagFromModifier(unsigned int modifier) { | 85 int EventModifiersEvdev::GetEventFlagFromModifier(unsigned int modifier) { |
| 90 return kEventFlagFromModifiers[modifier]; | 86 return kEventFlagFromModifiers[modifier]; |
| 91 } | 87 } |
| 92 | 88 |
| 93 } // namespace ui | 89 } // namespace ui |
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