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scummvm/backends/events/wincesdl/wincesdl-events.cpp
Johannes Schickel 04ab0e58b4 SDL: Take advantage of SdlGraphicsManager. 
This gets rid of the hacks, where SdlEventSource added events with custom type
numbers to pass SDL_VIDEOEXPOSE and SDL_VIDEORESIZE to the graphics manager.

Furthermore it get rids of the uninituitive and hard to trace way of assigning
the proper mouse coordinates to mouse related events. Formerly it passed the
real screen coordinates through the even dispatching api to the graphics
manager (at least hopefully ;-) and let that handle creating a new event with
the proper coordinates. Now instead SdlEventSource handles the proper
coordinate setup itself.

Since this is a behavior change and I can not test all the SDL based small
devices ports this commit might break compilation for them and more serve it
might also break mouse position behavior. If any of that occurs I am sorry
about it.
2011-08-09 00:03:11 +02:00

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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"
#ifdef _WIN32_WCE
#include "common/config-manager.h"
#include "backends/events/wincesdl/wincesdl-events.h"
#include "backends/platform/wince/CEActionsPocket.h"
#include "backends/platform/wince/CEActionsSmartphone.h"
#include "backends/platform/wince/CEDevice.h"
#include "backends/platform/sdl/sdl.h"
WINCESdlEventSource::WINCESdlEventSource()
: _tapTime(0), _closeClick(false), _rbutton(false),
_graphicsMan(0) {
}
void WINCESdlEventSource::init(WINCESdlGraphicsManager *graphicsMan) {
assert(graphicsMan);
_graphicsMan = graphicsMan;
}
void WINCESdlEventSource::processMouseEvent(Common::Event &event, int x, int y) {
event.mouse.x = x;
event.mouse.y = y;
// Update the "keyboard mouse" coords
_km.x = event.mouse.x;
_km.y = event.mouse.y;
// Adjust for the screen scaling
if (_graphicsMan->_zoomDown)
event.mouse.y += 240;
event.mouse.x = event.mouse.x * _graphicsMan->_scaleFactorXd / _graphicsMan->_scaleFactorXm;
event.mouse.y = event.mouse.y * _graphicsMan->_scaleFactorYd / _graphicsMan->_scaleFactorYm;
}
bool WINCESdlEventSource::pollEvent(Common::Event &event) {
SDL_Event ev;
ev.type = SDL_NOEVENT;
DWORD currentTime;
bool keyEvent = false;
bool freeLookActive = _graphicsMan->getFreeLookState();
int deltaX, deltaY;
memset(&event, 0, sizeof(Common::Event));
handleKbdMouse();
// If the screen changed, send an Common::EVENT_SCREEN_CHANGED
int screenID = _graphicsMan->getScreenChangeID();
if (screenID != _lastScreenID) {
_lastScreenID = screenID;
event.type = Common::EVENT_SCREEN_CHANGED;
return true;
}
CEDevice::wakeUp();
currentTime = GetTickCount();
while (SDL_PollEvent(&ev)) {
switch (ev.type) {
case SDL_KEYDOWN:
debug(1, "Key down %X %s", ev.key.keysym.sym, SDL_GetKeyName((SDLKey)ev.key.keysym.sym));
// KMOD_RESERVED is used if the key has been injected by an external buffer
if (ev.key.keysym.mod != KMOD_RESERVED && !GUI::Actions::Instance()->mappingActive()) {
keyEvent = true;
_graphicsMan->_lastKeyPressed = ev.key.keysym.sym;
_graphicsMan->_keyRepeatTime = currentTime;
_graphicsMan->_keyRepeat = 0;
if (!GUI_Actions::Instance()->mappingActive() && GUI_Actions::Instance()->performMapped(ev.key.keysym.sym, true))
return true;
}
if (GUI_Actions::Instance()->mappingActive())
event.kbd.flags = 0xFF;
else if (ev.key.keysym.sym == SDLK_PAUSE) {
_graphicsMan->_lastKeyPressed = 0;
event.type = Common::EVENT_PREDICTIVE_DIALOG;
return true;
}
event.type = Common::EVENT_KEYDOWN;
if (!GUI::Actions::Instance()->mappingActive())
event.kbd.keycode = (Common::KeyCode)ev.key.keysym.sym;
else
event.kbd.keycode = (Common::KeyCode)mapKeyCE(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode, GUI::Actions::Instance()->mappingActive());
event.kbd.ascii = mapKeyCE(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode, GUI::Actions::Instance()->mappingActive());
if (ev.key.keysym.mod == KMOD_RESERVED && ev.key.keysym.unicode == KMOD_SHIFT) {
event.kbd.ascii ^= 0x20;
event.kbd.flags = Common::KBD_SHIFT;
}
return true;
case SDL_KEYUP:
debug(1, "Key up %X %s", ev.key.keysym.sym, SDL_GetKeyName((SDLKey)ev.key.keysym.sym));
// KMOD_RESERVED is used if the key has been injected by an external buffer
if (ev.key.keysym.mod != KMOD_RESERVED && !GUI::Actions::Instance()->mappingActive()) {
keyEvent = true;
_graphicsMan->_lastKeyPressed = 0;
if (!GUI_Actions::Instance()->mappingActive() && GUI_Actions::Instance()->performMapped(ev.key.keysym.sym, false))
return true;
}
if (GUI_Actions::Instance()->mappingActive())
event.kbd.flags = 0xFF;
else if (ev.key.keysym.sym == SDLK_PAUSE) {
_graphicsMan->_lastKeyPressed = 0;
return false; // chew up the show agi dialog key up event
}
event.type = Common::EVENT_KEYUP;
if (!GUI::Actions::Instance()->mappingActive())
event.kbd.keycode = (Common::KeyCode)ev.key.keysym.sym;
else
event.kbd.keycode = (Common::KeyCode)mapKeyCE(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode, GUI::Actions::Instance()->mappingActive());
event.kbd.ascii = mapKeyCE(ev.key.keysym.sym, ev.key.keysym.mod, ev.key.keysym.unicode, GUI::Actions::Instance()->mappingActive());
if (ev.key.keysym.mod == KMOD_RESERVED && ev.key.keysym.unicode == KMOD_SHIFT) {
event.kbd.ascii ^= 0x20;
event.kbd.flags = Common::KBD_SHIFT;
}
return true;
case SDL_MOUSEMOTION:
event.type = Common::EVENT_MOUSEMOVE;
processMouseEvent(event, ev.motion.x, ev.motion.y);
_graphicsMan->setMousePos(event.mouse.x, event.mouse.y);
return true;
case SDL_MOUSEBUTTONDOWN:
if (ev.button.button == SDL_BUTTON_LEFT)
event.type = Common::EVENT_LBUTTONDOWN;
else if (ev.button.button == SDL_BUTTON_RIGHT)
event.type = Common::EVENT_RBUTTONDOWN;
else
break;
processMouseEvent(event, ev.button.x, ev.button.y);
if (event.mouse.x > _tapX)
deltaX = event.mouse.x - _tapX;
else
deltaX = _tapX - event.mouse.x;
if (event.mouse.y > _tapY)
deltaY = event.mouse.y - _tapY;
else
deltaY = _tapY - event.mouse.y;
_closeClick = (deltaX <= 5 && deltaY <= 5);
if (!_isSmartphone) {
// handle double-taps
if (_tapTime) { // second tap
if (_closeClick && (GetTickCount() - _tapTime < 1000)) {
if (event.mouse.y <= 20 &&
_graphicsMan->_panelInitialized &&
!_graphicsMan->_noDoubleTapPT) {
// top of screen (show panel)
_graphicsMan->swap_panel_visibility();
} else if (!_graphicsMan->_noDoubleTapRMB) {
// right click
event.type = Common::EVENT_RBUTTONDOWN;
_rbutton = true;
}
}
_tapTime = 0;
} else {
_tapTime = GetTickCount();
_tapX = event.mouse.x;
_tapY = event.mouse.y;
}
}
if (freeLookActive && !_closeClick) {
_rbutton = false;
_tapTime = 0;
_tapX = event.mouse.x;
_tapY = event.mouse.y;
event.type = Common::EVENT_MOUSEMOVE;
_graphicsMan->setMousePos(event.mouse.x, event.mouse.y);
}
if (_graphicsMan->_toolbarHandler.action(event.mouse.x, event.mouse.y, true)) {
if (!_graphicsMan->_toolbarHandler.drawn()) {
_graphicsMan->_toolbarHighDrawn = false;
_graphicsMan->internUpdateScreen();
}
if (_graphicsMan->_newOrientation != _graphicsMan->_orientationLandscape) {
_graphicsMan->_orientationLandscape = _graphicsMan->_newOrientation;
_graphicsMan->_toolbarHighDrawn = false;
ConfMan.setInt("landscape", _graphicsMan->_orientationLandscape);
ConfMan.flushToDisk();
_graphicsMan->hotswapGFXMode();
}
return false;
}
return true;
case SDL_MOUSEBUTTONUP:
if (ev.button.button == SDL_BUTTON_LEFT)
event.type = Common::EVENT_LBUTTONUP;
else if (ev.button.button == SDL_BUTTON_RIGHT)
event.type = Common::EVENT_RBUTTONUP;
else
break;
if (_rbutton) {
event.type = Common::EVENT_RBUTTONUP;
_rbutton = false;
}
processMouseEvent(event, ev.button.x, ev.button.y);
if (freeLookActive && !_closeClick) {
_tapX = event.mouse.x;
_tapY = event.mouse.y;
event.type = Common::EVENT_MOUSEMOVE;
_graphicsMan->setMousePos(event.mouse.x, event.mouse.y);
}
if (_graphicsMan->_toolbarHandler.action(event.mouse.x, event.mouse.y, false)) {
if (!_graphicsMan->_toolbarHandler.drawn()) {
_graphicsMan->_toolbarHighDrawn = false;
_graphicsMan->internUpdateScreen();
}
return false;
}
return true;
case SDL_VIDEOEXPOSE:
_graphicsMan->notifyVideoExpose();
break;
case SDL_QUIT:
event.type = Common::EVENT_QUIT;
return true;
case SDL_ACTIVEEVENT:
if (ev.active.state & SDL_APPMOUSEFOCUS)
debug(2, "%s mouse focus.", ev.active.gain ? "Got" : "Lost");
if (ev.active.state & SDL_APPINPUTFOCUS)
debug(2, "%s input focus.", ev.active.gain ? "Got" : "Lost");
if (ev.active.state & SDL_APPACTIVE)
debug(2, "%s total focus.", ev.active.gain ? "Got" : "Lost");
if (ev.active.state & SDL_APPINPUTFOCUS) {
_graphicsMan->_hasfocus = ev.active.gain;
SDL_PauseAudio(!_graphicsMan->_hasfocus);
if (_graphicsMan->_hasfocus)
_graphicsMan->notifyVideoExpose();
}
break;
}
}
// Simulate repeated key for backend
if (!keyEvent && _graphicsMan->_lastKeyPressed && (int)currentTime > _graphicsMan->_keyRepeatTime + _graphicsMan->_keyRepeatTrigger) {
_graphicsMan->_keyRepeatTime = currentTime;
_graphicsMan->_keyRepeat++;
GUI_Actions::Instance()->performMapped(_graphicsMan->_lastKeyPressed, true);
}
return false;
}
int WINCESdlEventSource::mapKeyCE(SDLKey key, SDLMod mod, Uint16 unicode, bool unfilter) {
if (GUI::Actions::Instance()->mappingActive())
return key;
if (unfilter) {
switch (key) {
case SDLK_ESCAPE:
return SDLK_BACKSPACE;
case SDLK_F8:
return SDLK_ASTERISK;
case SDLK_F9:
return SDLK_HASH;
default:
return key;
}
}
if (key >= SDLK_KP0 && key <= SDLK_KP9) {
return key - SDLK_KP0 + '0';
} else if (key >= SDLK_UP && key <= SDLK_PAGEDOWN) {
return key;
} else if (key >= SDLK_NUMLOCK && key <= SDLK_EURO) {
return 0;
}
return key;
}
#endif /* _WIN32_WCE */
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