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/*
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 * This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>.
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 * It is copyright by its individual contributors, as recorded in the
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 * project's Git history.  See COPYING.txt at the top level for license
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 * terms and a link to the Git history.
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 */
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// Event header file
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#pragma once
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#include <SDL_version.h>
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#include "fwd-event.h"
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#include "maths.h"
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#if SDL_MAJOR_VERSION == 2
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#include <SDL_video.h>
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#endif
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#ifdef __cplusplus
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namespace dcx {
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enum event_type : unsigned
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{
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        EVENT_IDLE = 0,
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        EVENT_QUIT,
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        EVENT_JOYSTICK_BUTTON_DOWN,
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        EVENT_JOYSTICK_BUTTON_UP,
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        EVENT_JOYSTICK_MOVED,
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        EVENT_MOUSE_BUTTON_DOWN,
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        EVENT_MOUSE_BUTTON_UP,
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        EVENT_MOUSE_DOUBLE_CLICKED,
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        EVENT_MOUSE_MOVED,
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        EVENT_KEY_COMMAND,
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        EVENT_KEY_RELEASE,
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        EVENT_WINDOW_CREATED,
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#if SDL_MAJOR_VERSION == 2
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        EVENT_WINDOW_RESIZE,
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#endif
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        EVENT_WINDOW_ACTIVATED,
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        EVENT_WINDOW_DEACTIVATED,
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        EVENT_WINDOW_DRAW,
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        EVENT_WINDOW_CLOSE,
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        EVENT_NEWMENU_DRAW,                                     // draw after the newmenu stuff is drawn (e.g. savegame previews)
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        EVENT_NEWMENU_CHANGED,                          // an item had its value/text changed
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        EVENT_NEWMENU_SELECTED,                         // user chose something - pressed enter/clicked on it
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        EVENT_LOOP_BEGIN_LOOP,
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        EVENT_UI_DIALOG_DRAW,                           // draw after the dialog stuff is drawn (e.g. spinning robots)
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        EVENT_UI_GADGET_PRESSED,                                // user 'pressed' a gadget
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        EVENT_UI_LISTBOX_MOVED,
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        EVENT_UI_LISTBOX_SELECTED,
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        EVENT_UI_USERBOX_DRAGGED
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};
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enum class window_event_result : uint8_t
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{
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        // Window ignored event.  Bubble up.
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        ignored,
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        // Window handled event.
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        handled,
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        close,
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        // Window handler already deleted window (most likely because it was subclassed), don't attempt to re-delete
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        deleted,
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};
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// A vanilla event. Cast to the correct type of event according to 'type'.
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struct d_event
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{
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        const event_type type;
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        constexpr d_event(const event_type t) :
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                type(t)
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        {
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        }
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};
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struct d_create_event : d_event
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{
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        const void *const createdata;
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        constexpr d_create_event(const event_type t, const void *const c) :
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                d_event(t), createdata(c)
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        {
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        }
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};
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struct d_change_event : d_event
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{
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        const int citem;
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        constexpr d_change_event(const int c) :
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                d_event{EVENT_NEWMENU_CHANGED}, citem(c)
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        {
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        }
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};
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struct d_select_event : d_event
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{
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        int citem;
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        d_select_event(const int c) :
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                d_event{EVENT_NEWMENU_SELECTED}, citem(c)
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        {
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        }
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};
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#if SDL_MAJOR_VERSION == 2
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struct d_window_size_event : d_event
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{
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        Sint32 width;
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        Sint32 height;
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        d_window_size_event(const Sint32 w, const Sint32 h) :
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                d_event{EVENT_WINDOW_RESIZE}, width(w), height(h)
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        {
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        }
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};
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#endif
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struct d_event_begin_loop : d_event
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{
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        d_event_begin_loop() :
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                d_event{EVENT_LOOP_BEGIN_LOOP}
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        {
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        }
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};
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#if DXX_USE_EDITOR
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fix event_get_idle_seconds();
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#endif
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// Process all events until the front window is deleted
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// Won't work if there's the possibility of another window on top
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// without its own event loop
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static inline void event_process_all(void)
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{
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        while (event_process() != window_event_result::deleted) {}
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}
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}
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#endif