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	 8a0a3638f0
			
		
	
	
		8a0a3638f0
		
	
	
	
	
		
			
			This device will be used by userspace to read mouse packets from all mouse devices that are attached to the machine. This change is a preparation before we can enable seamless hotplug capabilities in WindowServer for mouse devices, without any major change on the userspace side.
		
			
				
	
	
		
			88 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/Atomic.h>
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| #include <AK/Badge.h>
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| #include <AK/CircularQueue.h>
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| #include <AK/Error.h>
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| #include <AK/IntrusiveList.h>
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| #include <AK/NonnullRefPtr.h>
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| #include <AK/RefPtr.h>
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| #include <AK/Types.h>
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| #include <Kernel/API/KeyCode.h>
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| #include <Kernel/Bus/SerialIO/Controller.h>
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| #include <Kernel/Devices/HID/AllMiceDevice.h>
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| #include <Kernel/Devices/HID/Device.h>
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| #include <Kernel/Locking/Spinlock.h>
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| #include <Kernel/Locking/SpinlockProtected.h>
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| #include <Kernel/UnixTypes.h>
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| #include <LibKeyboard/CharacterMapData.h>
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| 
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| namespace Kernel {
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| 
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| extern Atomic<bool> g_caps_lock_remapped_to_ctrl;
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| 
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| class MouseDevice;
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| class KeyboardDevice;
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| class KeyboardClient;
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| class HIDManagement {
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|     friend class KeyboardDevice;
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|     friend class MouseDevice;
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|     friend class AllMiceDevice;
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| 
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| public:
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|     HIDManagement();
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|     static ErrorOr<void> initialize();
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|     static HIDManagement& the();
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| 
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|     ErrorOr<void> enumerate();
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| 
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|     struct KeymapData {
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|         KeymapData();
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|         NonnullOwnPtr<KString> character_map_name;
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|         Keyboard::CharacterMapData character_map;
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|     };
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| 
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|     SpinlockProtected<KeymapData, LockRank::None>& keymap_data() { return m_keymap_data; }
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| 
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|     u32 get_char_from_character_map(KeyEvent, u8) const;
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| 
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|     void set_client(KeyboardClient* client);
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|     void set_maps(NonnullOwnPtr<KString> character_map_name, Keyboard::CharacterMapData const& character_map);
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| 
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|     void attach_standalone_hid_device(HIDDevice&);
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|     void detach_standalone_hid_device(HIDDevice&);
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| 
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|     void enqueue_mouse_packet(Badge<MouseDevice>, MousePacket);
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| 
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| private:
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|     size_t generate_minor_device_number_for_mouse();
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|     size_t generate_minor_device_number_for_keyboard();
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| 
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|     SpinlockProtected<KeymapData, LockRank::None> m_keymap_data {};
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|     size_t m_mouse_minor_number { 0 };
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|     size_t m_keyboard_minor_number { 0 };
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|     KeyboardClient* m_client { nullptr };
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| 
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|     NonnullRefPtr<AllMiceDevice> m_all_mice_device;
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| 
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|     SpinlockProtected<IntrusiveList<&SerialIOController::m_list_node>, LockRank::None> m_hid_serial_io_controllers;
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|     // NOTE: This list is used for standalone devices, like USB HID devices
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|     // (which are not attached via a SerialIO controller in the sense that
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|     // there's no specific serial IO controller to coordinate their usage).
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|     SpinlockProtected<IntrusiveList<&HIDDevice::m_list_node>, LockRank::None> m_standalone_hid_devices;
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|     Spinlock<LockRank::None> m_client_lock;
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| };
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| 
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| class KeyboardClient {
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| public:
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|     virtual ~KeyboardClient() = default;
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|     virtual void on_key_pressed(KeyEvent) = 0;
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| };
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| 
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| }
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