225 lines
5.4 KiB
C++
225 lines
5.4 KiB
C++
/*
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* This file is part of the DXX-Rebirth project <http://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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/*
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*
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* SDL Event related stuff
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*
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*
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*/
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#include <SDL.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "event.h"
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#include "key.h"
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#include "mouse.h"
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#include "window.h"
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#include "timer.h"
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#include "config.h"
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#include "inferno.h"
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#include "joy.h"
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#include "args.h"
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namespace dcx {
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window_event_result event_poll()
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{
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SDL_Event event;
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int clean_uniframe=1;
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window *wind = window_get_front();
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window_event_result highest_result(window_event_result::ignored);
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// If the front window changes, exit this loop, otherwise unintended behavior can occur
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// like pressing 'Return' really fast at 'Difficulty Level' causing multiple games to be started
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while ((highest_result != window_event_result::deleted) && (wind == window_get_front()) && (event = {}, SDL_PollEvent(&event)))
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{
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switch(event.type) {
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case SDL_KEYDOWN:
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case SDL_KEYUP:
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if (clean_uniframe)
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unicode_frame_buffer = {};
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clean_uniframe=0;
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highest_result = std::max(key_handler(&event.key), highest_result);
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break;
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case SDL_MOUSEBUTTONDOWN:
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case SDL_MOUSEBUTTONUP:
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if (CGameArg.CtlNoMouse)
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break;
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highest_result = std::max(mouse_button_handler(&event.button), highest_result);
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break;
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case SDL_MOUSEMOTION:
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if (CGameArg.CtlNoMouse)
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break;
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highest_result = std::max(mouse_motion_handler(&event.motion), highest_result);
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break;
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case SDL_JOYBUTTONDOWN:
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case SDL_JOYBUTTONUP:
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if (CGameArg.CtlNoJoystick)
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break;
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highest_result = std::max(joy_button_handler(&event.jbutton), highest_result);
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break;
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case SDL_JOYAXISMOTION:
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if (CGameArg.CtlNoJoystick)
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break;
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highest_result = std::max(joy_axis_handler(&event.jaxis), highest_result);
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break;
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case SDL_JOYHATMOTION:
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if (CGameArg.CtlNoJoystick)
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break;
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highest_result = std::max(joy_hat_handler(&event.jhat), highest_result);
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break;
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case SDL_JOYBALLMOTION:
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break;
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case SDL_QUIT: {
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d_event qevent = { EVENT_QUIT };
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highest_result = std::max(call_default_handler(qevent), highest_result);
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} break;
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}
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}
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// Send the idle event if there were no other events (or they were ignored)
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if (highest_result == window_event_result::ignored)
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{
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const d_event ievent{EVENT_IDLE};
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highest_result = std::max(event_send(ievent), highest_result);
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}
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else
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{
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#if DXX_USE_EDITOR
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event_reset_idle_seconds();
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#endif
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}
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mouse_cursor_autohide();
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return highest_result;
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}
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void event_flush()
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{
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SDL_Event event;
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while (SDL_PollEvent(&event));
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}
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int event_init()
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{
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// We should now be active and responding to events.
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return 0;
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}
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window_event_result call_default_handler(const d_event &event)
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{
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return standard_handler(event);
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}
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window_event_result event_send(const d_event &event)
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{
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window *wind;
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window_event_result handled = window_event_result::ignored;
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for (wind = window_get_front(); wind && handled == window_event_result::ignored; wind = window_get_prev(*wind))
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if (window_is_visible(wind))
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{
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handled = window_send_event(*wind, event);
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if (handled == window_event_result::deleted) // break away if necessary: window_send_event() could have closed wind by now
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break;
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if (window_is_modal(*wind))
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break;
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}
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if (handled == window_event_result::ignored)
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return call_default_handler(event);
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return handled;
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}
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// Process the first event in queue, sending to the appropriate handler
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// This is the new object-oriented system
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// Uses the old system for now, but this may change
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window_event_result event_process(void)
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{
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window *wind = window_get_front();
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window_event_result highest_result;
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timer_update();
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highest_result = event_poll(); // send input events first
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cmd_queue_process();
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// Doing this prevents problems when a draw event can create a newmenu,
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// such as some network menus when they report a problem
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// Also checking for window_event_result::deleted in case a window was created
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// with the same pointer value as the deleted one
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if ((highest_result == window_event_result::deleted) || (window_get_front() != wind))
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return highest_result;
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const d_event event{EVENT_WINDOW_DRAW}; // then draw all visible windows
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for (wind = window_get_first(); wind != nullptr;)
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{
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if (window_is_visible(wind))
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{
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auto prev = window_get_prev(*wind);
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auto result = window_send_event(*wind, event);
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highest_result = std::max(result, highest_result);
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if (result == window_event_result::deleted)
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{
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if (!prev)
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{
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wind = window_get_first();
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continue;
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}
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wind = prev; // take the previous window and get the next one from that (if prev isn't nullptr)
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}
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}
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wind = window_get_next(*wind);
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}
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gr_flip();
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return highest_result;
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}
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template <bool activate_focus>
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static void event_change_focus()
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{
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SDL_WM_GrabInput(activate_focus && CGameCfg.Grabinput && likely(!CGameArg.DbgForbidConsoleGrab) ? SDL_GRAB_ON : SDL_GRAB_OFF);
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if (activate_focus)
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mouse_disable_cursor();
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else
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mouse_enable_cursor();
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}
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void event_enable_focus()
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{
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event_change_focus<true>();
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}
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void event_disable_focus()
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{
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event_change_focus<false>();
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}
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#if DXX_USE_EDITOR
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static fix64 last_event = 0;
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void event_reset_idle_seconds()
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{
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last_event = timer_query();
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}
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fix event_get_idle_seconds()
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{
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return (timer_query() - last_event)/F1_0;
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}
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#endif
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}
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