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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/scummsys.h"
#if !defined(DISABLE_DEFAULT_EVENTMANAGER)
#include "common/system.h"
#include "common/config-manager.h"
#include "common/translation.h"
#include "backends/events/default/default-events.h"
#include "backends/keymapper/keymapper.h"
#include "backends/keymapper/remap-dialog.h"
#include "backends/vkeybd/virtual-keyboard.h"
#include "engines/engine.h"
#include "gui/message.h"
DefaultEventManager::DefaultEventManager(Common::EventSource *boss) :
_buttonState(0),
_modifierState(0),
_shouldQuit(false),
_shouldRTL(false),
_confirmExitDialogActive(false) {
assert(boss);
_dispatcher.registerSource(boss, false);
_dispatcher.registerSource(&_artificialEventSource, false);
_dispatcher.registerObserver(this, kEventManPriority, false);
// Reset key repeat
_currentKeyDown.keycode = 0;
_currentKeyDown.ascii = 0;
_currentKeyDown.flags = 0;
#ifdef ENABLE_VKEYBD
_vk = new Common::VirtualKeyboard();
#endif
#ifdef ENABLE_KEYMAPPER
_keymapper = new Common::Keymapper(this);
// EventDispatcher will automatically free the keymapper
_dispatcher.registerMapper(_keymapper);
_remap = false;
#else
_dispatcher.registerMapper(new Common::DefaultEventMapper());
#endif
}
DefaultEventManager::~DefaultEventManager() {
#ifdef ENABLE_VKEYBD
delete _vk;
#endif
}
void DefaultEventManager::init() {
#ifdef ENABLE_VKEYBD
if (ConfMan.hasKey("vkeybd_pack_name")) {
_vk->loadKeyboardPack(ConfMan.get("vkeybd_pack_name"));
} else {
_vk->loadKeyboardPack("vkeybd_default");
}
#endif
}
bool DefaultEventManager::pollEvent(Common::Event &event) {
// Skip recording of these events
uint32 time = g_system->getMillis(true);
bool result = false;
_dispatcher.dispatch();
if (!_eventQueue.empty()) {
event = _eventQueue.pop();
result = true;
}
if (result) {
event.synthetic = false;
switch (event.type) {
case Common::EVENT_KEYDOWN:
_modifierState = event.kbd.flags;
// init continuous event stream
_currentKeyDown.ascii = event.kbd.ascii;
_currentKeyDown.keycode = event.kbd.keycode;
_currentKeyDown.flags = event.kbd.flags;
_keyRepeatTime = time + kKeyRepeatInitialDelay;
if (event.kbd.keycode == Common::KEYCODE_BACKSPACE) {
// WORKAROUND: Some engines incorrectly attempt to use the
// ascii value instead of the keycode to detect the backspace
// key (a non-portable behavior). This fails at least on
// Mac OS X, possibly also on other systems.
// As a workaround, we force the ascii value for backspace
// key pressed. A better fix would be for engines to stop
// making invalid assumptions about ascii values.
event.kbd.ascii = Common::KEYCODE_BACKSPACE;
_currentKeyDown.ascii = Common::KEYCODE_BACKSPACE;
}
break;
case Common::EVENT_KEYUP:
_modifierState = event.kbd.flags;
if (event.kbd.keycode == _currentKeyDown.keycode) {
// Only stop firing events if it's the current key
_currentKeyDown.keycode = 0;
}
break;
case Common::EVENT_MOUSEMOVE:
_mousePos = event.mouse;
break;
case Common::EVENT_LBUTTONDOWN:
_mousePos = event.mouse;
_buttonState |= LBUTTON;
break;
case Common::EVENT_LBUTTONUP:
_mousePos = event.mouse;
_buttonState &= ~LBUTTON;
break;
case Common::EVENT_RBUTTONDOWN:
_mousePos = event.mouse;
_buttonState |= RBUTTON;
break;
case Common::EVENT_RBUTTONUP:
_mousePos = event.mouse;
_buttonState &= ~RBUTTON;
break;
case Common::EVENT_MAINMENU:
if (g_engine && !g_engine->isPaused())
g_engine->openMainMenuDialog();
if (_shouldQuit)
event.type = Common::EVENT_QUIT;
else if (_shouldRTL)
event.type = Common::EVENT_RTL;
break;
#ifdef ENABLE_VKEYBD
case Common::EVENT_VIRTUAL_KEYBOARD:
if (_vk->isDisplaying()) {
_vk->close(true);
} else {
if (g_engine)
g_engine->pauseEngine(true);
_vk->show();
if (g_engine)
g_engine->pauseEngine(false);
result = false;
}
break;
#endif
#ifdef ENABLE_KEYMAPPER
case Common::EVENT_KEYMAPPER_REMAP:
if (!_remap) {
_remap = true;
Common::RemapDialog _remapDialog;
if (g_engine)
g_engine->pauseEngine(true);
_remapDialog.runModal();
if (g_engine)
g_engine->pauseEngine(false);
_remap = false;
}
break;
#endif
case Common::EVENT_RTL:
if (ConfMan.getBool("confirm_exit")) {
if (g_engine)
g_engine->pauseEngine(true);
GUI::MessageDialog alert(_("Do you really want to return to the Launcher?"), _("Launcher"), _("Cancel"));
result = _shouldRTL = (alert.runModal() == GUI::kMessageOK);
if (g_engine)
g_engine->pauseEngine(false);
} else
_shouldRTL = true;
break;
case Common::EVENT_MUTE:
if (g_engine)
g_engine->flipMute();
break;
case Common::EVENT_QUIT:
if (ConfMan.getBool("confirm_exit")) {
if (_confirmExitDialogActive) {
result = false;
break;
}
_confirmExitDialogActive = true;
if (g_engine)
g_engine->pauseEngine(true);
GUI::MessageDialog alert(_("Do you really want to quit?"), _("Quit"), _("Cancel"));
result = _shouldQuit = (alert.runModal() == GUI::kMessageOK);
if (g_engine)
g_engine->pauseEngine(false);
_confirmExitDialogActive = false;
} else
_shouldQuit = true;
break;
default:
break;
}
} else {
// Check if event should be sent again (keydown)
if (_currentKeyDown.keycode != 0 && _keyRepeatTime < time) {
// fire event
event.type = Common::EVENT_KEYDOWN;
event.synthetic = true;
event.kbd.ascii = _currentKeyDown.ascii;
event.kbd.keycode = (Common::KeyCode)_currentKeyDown.keycode;
event.kbd.flags = _currentKeyDown.flags;
_keyRepeatTime = time + kKeyRepeatSustainDelay;
result = true;
}
}
return result;
}
void DefaultEventManager::pushEvent(const Common::Event &event) {
// If already received an EVENT_QUIT, don't add another one
if (event.type == Common::EVENT_QUIT) {
if (!_shouldQuit)
_artificialEventSource.addEvent(event);
} else
_artificialEventSource.addEvent(event);
}
#endif // !defined(DISABLE_DEFAULT_EVENTMANAGER)
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