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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_KEYBOARD_EVDEV_H_ | 5 #ifndef UI_EVENTS_OZONE_EVDEV_KEYBOARD_EVDEV_H_ |
6 #define UI_EVENTS_OZONE_EVDEV_KEYBOARD_EVDEV_H_ | 6 #define UI_EVENTS_OZONE_EVDEV_KEYBOARD_EVDEV_H_ |
7 | 7 |
8 #include <bitset> | 8 #include <bitset> |
9 #include <linux/input.h> | 9 #include <linux/input.h> |
10 | 10 |
11 #include "ui/events/ozone/evdev/event_device_util.h" | 11 #include "ui/events/ozone/evdev/event_device_util.h" |
12 #include "ui/events/ozone/evdev/event_dispatch_callback.h" | 12 #include "ui/events/ozone/evdev/event_dispatch_callback.h" |
13 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h" | 13 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h" |
| 14 #include "ui/events/ozone/layout/keyboard_layout_engine.h" |
14 | 15 |
15 namespace ui { | 16 namespace ui { |
16 | 17 |
17 class EventModifiersEvdev; | 18 class EventModifiersEvdev; |
18 | 19 |
19 // Keyboard for evdev. | 20 // Keyboard for evdev. |
20 // | 21 // |
21 // This object is responsible for combining all attached keyboards into | 22 // This object is responsible for combining all attached keyboards into |
22 // one logical keyboard, applying modifiers & implementing key repeat. | 23 // one logical keyboard, applying modifiers & implementing key repeat. |
23 // | 24 // |
24 // It also currently also applies the layout (hardcoded as US). | 25 // It also currently also applies the layout. |
25 // | 26 // |
26 // TODO(spang): Implement key repeat & turn off kernel repeat. | 27 // TODO(spang): Implement key repeat & turn off kernel repeat. |
27 class EVENTS_OZONE_EVDEV_EXPORT KeyboardEvdev { | 28 class EVENTS_OZONE_EVDEV_EXPORT KeyboardEvdev { |
28 public: | 29 public: |
29 KeyboardEvdev(EventModifiersEvdev* modifiers, | 30 KeyboardEvdev(EventModifiersEvdev* modifiers, |
| 31 KeyboardLayoutEngine* keyboard_layout_engine, |
30 const EventDispatchCallback& callback); | 32 const EventDispatchCallback& callback); |
31 ~KeyboardEvdev(); | 33 ~KeyboardEvdev(); |
32 | 34 |
33 static int NativeCodeToEvdevCode(int native_code); | 35 static int NativeCodeToEvdevCode(int native_code); |
34 | 36 |
35 // Handlers for raw key presses & releases. | 37 // Handlers for raw key presses & releases. |
36 void OnKeyChange(unsigned int code, bool down); | 38 void OnKeyChange(unsigned int code, bool down); |
37 | 39 |
38 private: | 40 private: |
39 void UpdateModifier(unsigned int key, bool down); | 41 void UpdateModifier(unsigned int key, bool down); |
40 void DispatchKey(unsigned int key, bool down); | 42 void DispatchKey(unsigned int key, bool down); |
41 | 43 |
42 // Aggregated key state. There is only one bit of state per key; we do not | 44 // Aggregated key state. There is only one bit of state per key; we do not |
43 // attempt to count presses of the same key on multiple keyboards. | 45 // attempt to count presses of the same key on multiple keyboards. |
44 // | 46 // |
45 // A key is down iff the most recent event pertaining to that key was a key | 47 // A key is down iff the most recent event pertaining to that key was a key |
46 // down event rather than a key up event. Therefore, a particular key position | 48 // down event rather than a key up event. Therefore, a particular key position |
47 // can be considered released even if it is being depresssed on one or more | 49 // can be considered released even if it is being depresssed on one or more |
48 // keyboards. | 50 // keyboards. |
49 std::bitset<KEY_CNT> key_state_; | 51 std::bitset<KEY_CNT> key_state_; |
50 | 52 |
51 // Callback for dispatching events. | 53 // Callback for dispatching events. |
52 EventDispatchCallback callback_; | 54 EventDispatchCallback callback_; |
53 | 55 |
54 // Shared modifier state. | 56 // Shared modifier state. |
55 EventModifiersEvdev* modifiers_; | 57 EventModifiersEvdev* modifiers_; |
56 | 58 |
| 59 KeyboardLayoutEngine* keyboard_layout_engine_; |
| 60 |
57 DISALLOW_COPY_AND_ASSIGN(KeyboardEvdev); | 61 DISALLOW_COPY_AND_ASSIGN(KeyboardEvdev); |
58 }; | 62 }; |
59 | 63 |
60 } // namespace ui | 64 } // namespace ui |
61 | 65 |
62 #endif // UI_EVENTS_OZONE_EVDEV_KEYBOARD_EVDEV_H_ | 66 #endif // UI_EVENTS_OZONE_EVDEV_KEYBOARD_EVDEV_H_ |
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