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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
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
struct ui_event
{
enum class type
{
NONE,
WINDOW_FOCUS,
WINDOW_DEFOCUS,
MOUSE_MOVE,
MOUSE_LEAVE,
MOUSE_DOWN,
MOUSE_UP,
MOUSE_RDOWN,
MOUSE_RUP,
MOUSE_DOUBLE_CLICK,
MOUSE_WHEEL,
IME_CHAR
};
type event_type;
render_target * target;
s32 mouse_x;
s32 mouse_y;
input_item_id key;
char32_t ch;
short zdelta;
int num_lines;
};
// ======================> ui_input_manager
class ui_input_manager
{
public:
// construction/destruction
ui_input_manager(running_machine &machine);
void frame_update();
// 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();
// retrieves the current location of the mouse
render_target *find_mouse(s32 *x, s32 *y, bool *button) const;
ioport_field *find_mouse_field() const;
// return true if a key down for the given user interface sequence is detected
bool pressed(int code);
// 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, 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
void push_window_focus_event(render_target *target);
void push_window_defocus_event(render_target *target);
void push_mouse_move_event(render_target *target, s32 x, s32 y);
void push_mouse_leave_event(render_target *target);
void push_mouse_down_event(render_target *target, s32 x, s32 y);
void push_mouse_up_event(render_target *target, s32 x, s32 y);
void push_mouse_rdown_event(render_target *target, s32 x, s32 y);
void push_mouse_rup_event(render_target *target, s32 x, s32 y);
void push_mouse_double_click_event(render_target *target, s32 x, s32 y);
void push_char_event(render_target *target, char32_t ch);
void push_mouse_wheel_event(render_target *target, s32 x, s32 y, short delta, int ucNumLines);
void mark_all_as_pressed();
private:
// constants
static constexpr unsigned EVENT_QUEUE_SIZE = 128;
// internal state
running_machine & m_machine; // reference to our machine
// pressed states; retrieved with ui_input_pressed()
bool m_presses_enabled;
osd_ticks_t m_next_repeat[IPT_COUNT];
u8 m_seqpressed[IPT_COUNT];
// mouse position/info
render_target * m_current_mouse_target;
s32 m_current_mouse_x;
s32 m_current_mouse_y;
bool m_current_mouse_down;
ioport_field * m_current_mouse_field;
// popped states; 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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