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b5855e5deb
The default mouse injection works in absolute mode: it forwards clicks at a specific position on screen. To support HID mouse, add a flag to indicate that the mouse processor works in relative mode: it forwards mouse motion vectors, without any absolute reference to the screen.
67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
#ifndef SC_MOUSE_PROCESSOR_H
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#define SC_MOUSE_PROCESSOR_H
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#include "common.h"
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#include <assert.h>
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#include <stdbool.h>
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#include "input_events.h"
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/**
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* Mouse processor trait.
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*
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* Component able to process and inject mouse events should implement this
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* trait.
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*/
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struct sc_mouse_processor {
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const struct sc_mouse_processor_ops *ops;
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/**
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* If set, the mouse processor works in relative mode (the absolute
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* position is irrelevant). In particular, it indicates that the mouse
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* pointer must be "captured" by the UI.
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*/
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bool relative_mode;
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};
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struct sc_mouse_processor_ops {
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/**
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* Process a mouse motion event
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*
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* This function is mandatory.
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*/
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void
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(*process_mouse_motion)(struct sc_mouse_processor *mp,
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const struct sc_mouse_motion_event *event);
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/**
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* Process a mouse click event
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*
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* This function is mandatory.
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*/
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void
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(*process_mouse_click)(struct sc_mouse_processor *mp,
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const struct sc_mouse_click_event *event);
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/**
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* Process a mouse scroll event
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*
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* This function is optional.
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*/
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void
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(*process_mouse_scroll)(struct sc_mouse_processor *mp,
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const struct sc_mouse_scroll_event *event);
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/**
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* Process a touch event
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*
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* This function is optional.
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*/
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void
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(*process_touch)(struct sc_mouse_processor *mp,
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const struct sc_touch_event *event);
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};
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#endif
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