/*****************************************************************************
 * Copyright (c) 2014-2019 OpenRCT2 developers
 *
 * For a complete list of all authors, please refer to contributors.md
 * Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
 *
 * OpenRCT2 is licensed under the GNU General Public License version 3.
 *****************************************************************************/

#ifndef _INPUT_H_
#define _INPUT_H_

#include "interface/Window.h"

enum INPUT_FLAGS
{
    INPUT_FLAG_WIDGET_PRESSED = (1 << 0),

    // The dropdown can stay open if the mouse is released, set on flag DROPDOWN_FLAG_STAY_OPEN
    INPUT_FLAG_DROPDOWN_STAY_OPEN = (1 << 1),

    // The mouse has been released and the dropdown is still open
    // INPUT_FLAG_DROPDOWN_STAY_OPEN is already set if this happens
    INPUT_FLAG_DROPDOWN_MOUSE_UP = (1 << 2),

    INPUT_FLAG_TOOL_ACTIVE = (1 << 3),

    // Left click on a viewport
    INPUT_FLAG_4 = (1 << 4),

    INPUT_FLAG_5 = (1 << 5),

    // Some of the map tools (clear, footpath, scenery)
    // never read as far as I know.
    INPUT_FLAG_6 = (1 << 6),

    INPUT_FLAG_VIEWPORT_SCROLLING = (1 << 7)
};

enum MOUSE_STATE
{
    MOUSE_STATE_RELEASED,
    MOUSE_STATE_LEFT_PRESS,
    MOUSE_STATE_LEFT_RELEASE,
    MOUSE_STATE_RIGHT_PRESS,
    MOUSE_STATE_RIGHT_RELEASE
};

enum INPUT_STATE
{
    INPUT_STATE_RESET,
    INPUT_STATE_NORMAL,
    INPUT_STATE_WIDGET_PRESSED,
    INPUT_STATE_POSITIONING_WINDOW,
    INPUT_STATE_VIEWPORT_RIGHT,
    INPUT_STATE_DROPDOWN_ACTIVE,
    INPUT_STATE_VIEWPORT_LEFT,
    INPUT_STATE_SCROLL_LEFT,
    INPUT_STATE_RESIZING,
    INPUT_STATE_SCROLL_RIGHT
};

enum PLACE_OBJECT_MODIFIER
{
    PLACE_OBJECT_MODIFIER_NONE = 0,
    PLACE_OBJECT_MODIFIER_SHIFT_Z = (1 << 0),
    PLACE_OBJECT_MODIFIER_COPY_Z = (1 << 1),
};

struct widget_ref
{
    rct_windowclass window_classification;
    rct_windownumber window_number;
    rct_widgetindex widget_index;
};

extern uint8_t gInputPlaceObjectModifier;

extern int32_t gInputDragLastX;
extern int32_t gInputDragLastY;

extern widget_ref gHoverWidget;
extern widget_ref gPressedWidget;

extern uint16_t gTooltipTimeout;
extern widget_ref gTooltipWidget;
extern int32_t gTooltipCursorX;
extern int32_t gTooltipCursorY;

extern TOOL_IDX gCurrentToolId;
extern widget_ref gCurrentToolWidget;

// TODO: Move to openrct2-ui and make static again
extern INPUT_STATE _inputState;
extern uint8_t _inputFlags;
extern uint16_t _tooltipNotShownTicks;

void input_window_position_begin(rct_window* w, rct_widgetindex widgetIndex, ScreenCoordsXY screenCoords);

void title_handle_keyboard_input();
void game_handle_input();
void game_handle_keyboard_input();
void game_handle_edge_scroll();
int32_t get_next_key();

void store_mouse_input(int32_t state, ScreenCoordsXY screenCoords);

void input_set_flag(INPUT_FLAGS flag, bool on);
bool input_test_flag(INPUT_FLAGS flag);
void input_reset_flags();

bool input_test_place_object_modifier(PLACE_OBJECT_MODIFIER modifier);

void input_set_state(INPUT_STATE state);
INPUT_STATE input_get_state();

void reset_tooltip_not_shown();

void input_reset_place_obj_modifier();

void input_scroll_viewport(ScreenCoordsXY screenCoords);

#endif
