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			Back in 2016, we discussed[1] rules for headers, and these were
generally liked:
1. Have a carefully curated header that's included everywhere first.  We
   got that already thanks to Peter: osdep.h.
2. Headers should normally include everything they need beyond osdep.h.
   If exceptions are needed for some reason, they must be documented in
   the header.  If all that's needed from a header is typedefs, put
   those into qemu/typedefs.h instead of including the header.
3. Cyclic inclusion is forbidden.
This patch gets include/ closer to obeying 2.
It's actually extracted from my "[RFC] Baby steps towards saner
headers" series[2], which demonstrates a possible path towards
checking 2 automatically.  It passes the RFC test there.
[1] Message-ID: <87h9g8j57d.fsf@blackfin.pond.sub.org>
    https://lists.nongnu.org/archive/html/qemu-devel/2016-03/msg03345.html
[2] Message-Id: <20190711122827.18970-1-armbru@redhat.com>
    https://lists.nongnu.org/archive/html/qemu-devel/2019-07/msg02715.html
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190812052359.30071-2-armbru@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
		
	
			
		
			
				
	
	
		
			121 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef INPUT_H
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| #define INPUT_H
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| 
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| #include "qapi/qapi-types-ui.h"
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| #include "qemu/notify.h"
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| 
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| #define INPUT_EVENT_MASK_KEY   (1<<INPUT_EVENT_KIND_KEY)
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| #define INPUT_EVENT_MASK_BTN   (1<<INPUT_EVENT_KIND_BTN)
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| #define INPUT_EVENT_MASK_REL   (1<<INPUT_EVENT_KIND_REL)
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| #define INPUT_EVENT_MASK_ABS   (1<<INPUT_EVENT_KIND_ABS)
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| 
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| #define INPUT_EVENT_ABS_MIN    0x0000
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| #define INPUT_EVENT_ABS_MAX    0x7FFF
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| 
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| typedef struct QemuInputHandler QemuInputHandler;
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| typedef struct QemuInputHandlerState QemuInputHandlerState;
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| 
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| typedef void (*QemuInputHandlerEvent)(DeviceState *dev, QemuConsole *src,
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|                                       InputEvent *evt);
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| typedef void (*QemuInputHandlerSync)(DeviceState *dev);
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| 
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| struct QemuInputHandler {
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|     const char             *name;
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|     uint32_t               mask;
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|     QemuInputHandlerEvent  event;
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|     QemuInputHandlerSync   sync;
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| };
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| 
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| QemuInputHandlerState *qemu_input_handler_register(DeviceState *dev,
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|                                                    QemuInputHandler *handler);
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| void qemu_input_handler_activate(QemuInputHandlerState *s);
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| void qemu_input_handler_deactivate(QemuInputHandlerState *s);
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| void qemu_input_handler_unregister(QemuInputHandlerState *s);
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| void qemu_input_handler_bind(QemuInputHandlerState *s,
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|                              const char *device_id, int head,
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|                              Error **errp);
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| void qemu_input_event_send(QemuConsole *src, InputEvent *evt);
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| void qemu_input_event_send_impl(QemuConsole *src, InputEvent *evt);
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| void qemu_input_event_sync(void);
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| void qemu_input_event_sync_impl(void);
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| 
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| void qemu_input_event_send_key(QemuConsole *src, KeyValue *key, bool down);
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| void qemu_input_event_send_key_number(QemuConsole *src, int num, bool down);
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| void qemu_input_event_send_key_qcode(QemuConsole *src, QKeyCode q, bool down);
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| void qemu_input_event_send_key_delay(uint32_t delay_ms);
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| int qemu_input_key_number_to_qcode(unsigned int nr);
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| int qemu_input_key_value_to_number(const KeyValue *value);
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| int qemu_input_key_value_to_qcode(const KeyValue *value);
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| int qemu_input_key_value_to_scancode(const KeyValue *value, bool down,
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|                                      int *codes);
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| int qemu_input_linux_to_qcode(unsigned int lnx);
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| 
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| void qemu_input_queue_btn(QemuConsole *src, InputButton btn, bool down);
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| void qemu_input_update_buttons(QemuConsole *src, uint32_t *button_map,
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|                                uint32_t button_old, uint32_t button_new);
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| 
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| bool qemu_input_is_absolute(void);
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| int qemu_input_scale_axis(int value,
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|                           int min_in, int max_in,
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|                           int min_out, int max_out);
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| void qemu_input_queue_rel(QemuConsole *src, InputAxis axis, int value);
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| void qemu_input_queue_abs(QemuConsole *src, InputAxis axis, int value,
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|                           int min_in, int max_in);
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| 
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| void qemu_input_check_mode_change(void);
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| void qemu_add_mouse_mode_change_notifier(Notifier *notify);
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| void qemu_remove_mouse_mode_change_notifier(Notifier *notify);
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| 
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| extern const guint qemu_input_map_atset1_to_qcode_len;
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| extern const guint16 qemu_input_map_atset1_to_qcode[];
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| 
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| extern const guint qemu_input_map_linux_to_qcode_len;
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| extern const guint16 qemu_input_map_linux_to_qcode[];
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| 
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| extern const guint qemu_input_map_qcode_to_atset1_len;
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| extern const guint16 qemu_input_map_qcode_to_atset1[];
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| 
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| extern const guint qemu_input_map_qcode_to_atset2_len;
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| extern const guint16 qemu_input_map_qcode_to_atset2[];
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| 
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| extern const guint qemu_input_map_qcode_to_atset3_len;
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| extern const guint16 qemu_input_map_qcode_to_atset3[];
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| 
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| extern const guint qemu_input_map_qcode_to_linux_len;
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| extern const guint16 qemu_input_map_qcode_to_linux[];
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| 
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| extern const guint qemu_input_map_qcode_to_qnum_len;
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| extern const guint16 qemu_input_map_qcode_to_qnum[];
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| 
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| extern const guint qemu_input_map_qcode_to_sun_len;
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| extern const guint16 qemu_input_map_qcode_to_sun[];
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| 
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| extern const guint qemu_input_map_qnum_to_qcode_len;
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| extern const guint16 qemu_input_map_qnum_to_qcode[];
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| 
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| extern const guint qemu_input_map_usb_to_qcode_len;
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| extern const guint16 qemu_input_map_usb_to_qcode[];
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| 
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| extern const guint qemu_input_map_win32_to_qcode_len;
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| extern const guint16 qemu_input_map_win32_to_qcode[];
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| 
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| extern const guint qemu_input_map_x11_to_qcode_len;
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| extern const guint16 qemu_input_map_x11_to_qcode[];
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| 
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| extern const guint qemu_input_map_xorgevdev_to_qcode_len;
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| extern const guint16 qemu_input_map_xorgevdev_to_qcode[];
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| 
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| extern const guint qemu_input_map_xorgkbd_to_qcode_len;
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| extern const guint16 qemu_input_map_xorgkbd_to_qcode[];
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| 
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| extern const guint qemu_input_map_xorgxquartz_to_qcode_len;
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| extern const guint16 qemu_input_map_xorgxquartz_to_qcode[];
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| 
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| extern const guint qemu_input_map_xorgxwin_to_qcode_len;
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| extern const guint16 qemu_input_map_xorgxwin_to_qcode[];
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| 
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| extern const guint qemu_input_map_osx_to_qcode_len;
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| extern const guint16 qemu_input_map_osx_to_qcode[];
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| 
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| #endif /* INPUT_H */
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