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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
/***************************************************************************
uiinput.h
Internal MAME user interface input state.
***************************************************************************/
#ifndef MAME_EMU_UIINPUT_H
#define MAME_EMU_UIINPUT_H
#pragma once
#include "interface/uievents.h"
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
struct ui_event
{
enum class type
{
NONE,
WINDOW_FOCUS,
WINDOW_DEFOCUS,
MOUSE_WHEEL,
POINTER_UPDATE,
POINTER_LEAVE,
POINTER_ABORT,
IME_CHAR
};
using pointer = osd::ui_event_handler::pointer;
type event_type;
render_target * target;
s32 mouse_x;
s32 mouse_y;
input_item_id key;
char32_t ch;
short zdelta;
int num_lines;
pointer pointer_type; // type of input controlling this pointer
u16 pointer_id; // pointer ID - will be recycled aggressively
u16 pointer_device; // for grouping pointers for multi-touch gesture recognition
s32 pointer_x; // pointer X coordinate
s32 pointer_y; // pointer Y coordinate
u32 pointer_buttons; // currently depressed buttons
u32 pointer_pressed; // buttons pressed since last update (primary action in LSB)
u32 pointer_released; // buttons released since last update (primary action in LSB)
s16 pointer_clicks; // positive for multi-click, negative on release if turned into hold or drag
};
// ======================> ui_input_manager
class ui_input_manager final : public osd::ui_event_handler
{
public:
// construction/destruction
ui_input_manager(running_machine &machine);
void check_ui_inputs();
// pushes a single event onto the queue
bool push_event(ui_event event);
// pops an event off of the queue
bool pop_event(ui_event *event);
// check the next event type without removing it
ui_event::type peek_event_type() const { return (m_events_start != m_events_end) ? m_events[m_events_start].event_type : ui_event::type::NONE; }
// clears all outstanding events
void reset();
// enable/disable UI key presses
bool presses_enabled() const { return m_presses_enabled; }
void set_presses_enabled(bool enabled) { m_presses_enabled = enabled; }
// return true if a key down for the given user interface sequence is detected
bool pressed(int code) { return pressed_repeat(code, 0); }
// return true if a key down for the given user interface sequence is detected, or if autorepeat at the given speed is triggered
bool pressed_repeat(int code, int speed);
// getters
running_machine &machine() const { return m_machine; }
// queueing events
virtual void push_window_focus_event(render_target *target) override;
virtual void push_window_defocus_event(render_target *target) override;
virtual void push_mouse_wheel_event(render_target *target, s32 x, s32 y, short delta, int lines) override;
virtual void push_pointer_update(render_target *target, pointer type, u16 ptrid, u16 device, s32 x, s32 y, u32 buttons, u32 pressed, u32 released, s16 clicks) override;
virtual void push_pointer_leave(render_target *target, pointer type, u16 ptrid, u16 device, s32 x, s32 y, u32 released, s16 clicks) override;
virtual void push_pointer_abort(render_target *target, pointer type, u16 ptrid, u16 device, s32 x, s32 y, u32 released, s16 clicks) override;
virtual void push_char_event(render_target *target, char32_t ch) override;
void mark_all_as_pressed();
private:
// constants
static constexpr unsigned EVENT_QUEUE_SIZE = 256;
// internal state
running_machine & m_machine;
// pressed states; retrieved with pressed() or pressed_repeat()
bool m_presses_enabled;
osd_ticks_t m_next_repeat[IPT_COUNT];
u8 m_seqpressed[IPT_COUNT];
// ring buffer of ui_events
ui_event m_events[EVENT_QUEUE_SIZE];
int m_events_start;
int m_events_end;
};
#endif // MAME_EMU_UIINPUT_H
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