bool OSystem::setGraphicsMode(const char *name) {
if (!name)
return false;
// Special case for the 'default' filter
if (!scumm_stricmp(name, "normal") || !scumm_stricmp(name, "default")) {
return setGraphicsMode(getDefaultGraphicsMode());
}
const GraphicsMode *gm = getSupportedGraphicsModes();
while (gm->name) {
if (!scumm_stricmp(gm->name, name)) {
return setGraphicsMode(gm->id);
}
gm++;
}
return false;
}
void OSystem_SDL::handleScalerHotkeys(const SDL_KeyboardEvent &key) {
// Ctrl-Alt-a toggles aspect ratio correction
if (key.keysym.sym == 'a') {
setFeatureState(kFeatureAspectRatioCorrection, !_adjustAspectRatio);
#ifdef USE_OSD
char buffer[128];
if (_adjustAspectRatio)
sprintf(buffer, "Enabled aspect ratio correction\n%d x %d -> %d x %d",
_screenWidth, _screenHeight,
_hwscreen->w, _hwscreen->h
);
else
sprintf(buffer, "Disabled aspect ratio correction\n%d x %d -> %d x %d",
_screenWidth, _screenHeight,
_hwscreen->w, _hwscreen->h
);
displayMessageOnOSD(buffer);
#endif
return;
}
int newMode = -1;
int factor = _scaleFactor - 1;
// Increase/decrease the scale factor
if (key.keysym.sym == SDLK_EQUALS || key.keysym.sym == SDLK_PLUS || key.keysym.sym == SDLK_MINUS ||
key.keysym.sym == SDLK_KP_PLUS || key.keysym.sym == SDLK_KP_MINUS) {
factor += (key.keysym.sym == SDLK_MINUS || key.keysym.sym == SDLK_KP_MINUS) ? -1 : +1;
if (0 <= factor && factor <= 3) {
newMode = s_gfxModeSwitchTable[_scalerType][factor];
}
}
const bool isNormalNumber = (SDLK_1 <= key.keysym.sym && key.keysym.sym <= SDLK_9);
const bool isKeypadNumber = (SDLK_KP1 <= key.keysym.sym && key.keysym.sym <= SDLK_KP9);
if (isNormalNumber || isKeypadNumber) {
_scalerType = key.keysym.sym - (isNormalNumber ? SDLK_1 : SDLK_KP1);
if (_scalerType >= ARRAYSIZE(s_gfxModeSwitchTable))
return;
while (s_gfxModeSwitchTable[_scalerType][factor] < 0) {
assert(factor > 0);
factor--;
}
newMode = s_gfxModeSwitchTable[_scalerType][factor];
}
if (newMode >= 0) {
setGraphicsMode(newMode);
#ifdef USE_OSD
if (_osdSurface) {
const char *newScalerName = 0;
const GraphicsMode *g = getSupportedGraphicsModes();
while (g->name) {
if (g->id == _mode) {
newScalerName = g->description;
break;
}
g++;
}
if (newScalerName) {
char buffer[128];
sprintf(buffer, "Active graphics filter: %s\n%d x %d -> %d x %d",
newScalerName,
_screenWidth, _screenHeight,
_hwscreen->w, _hwscreen->h
);
displayMessageOnOSD(buffer);
}
}
#endif
}
}
bool OpenGLSdlGraphicsManager::notifyEvent(const Common::Event &event) {
switch (event.type) {
case Common::EVENT_KEYUP:
return isHotkey(event);
case Common::EVENT_KEYDOWN:
if (event.kbd.hasFlags(Common::KBD_ALT)) {
if ( event.kbd.keycode == Common::KEYCODE_RETURN
|| event.kbd.keycode == (Common::KeyCode)SDLK_KP_ENTER) {
// Alt-Return and Alt-Enter toggle full screen mode
beginGFXTransaction();
setFeatureState(OSystem::kFeatureFullscreenMode, !getFeatureState(OSystem::kFeatureFullscreenMode));
endGFXTransaction();
#ifdef USE_OSD
if (getFeatureState(OSystem::kFeatureFullscreenMode)) {
displayMessageOnOSD("Fullscreen mode");
} else {
displayMessageOnOSD("Windowed mode");
}
#endif
return true;
}
if (event.kbd.keycode == Common::KEYCODE_s) {
// Alt-s creates a screenshot
Common::String filename;
for (int n = 0;; n++) {
SDL_RWops *file;
filename = Common::String::format("scummvm%05d.bmp", n);
file = SDL_RWFromFile(filename.c_str(), "r");
if (!file)
break;
SDL_RWclose(file);
}
saveScreenshot(filename.c_str());
debug("Saved screenshot '%s'", filename.c_str());
return true;
}
} else if (event.kbd.hasFlags(Common::KBD_CTRL | Common::KBD_ALT)) {
if ( event.kbd.keycode == Common::KEYCODE_PLUS || event.kbd.keycode == Common::KEYCODE_MINUS
|| event.kbd.keycode == Common::KEYCODE_KP_PLUS || event.kbd.keycode == Common::KEYCODE_KP_MINUS) {
// Ctrl+Alt+Plus/Minus Increase/decrease the size
const int direction = (event.kbd.keycode == Common::KEYCODE_PLUS || event.kbd.keycode == Common::KEYCODE_KP_PLUS) ? +1 : -1;
if (getFeatureState(OSystem::kFeatureFullscreenMode)) {
// In case we are in fullscreen we will choose the previous
// or next mode.
// In case no modes are available we do nothing.
if (_fullscreenVideoModes.empty()) {
return true;
}
// Look for the current mode.
VideoModeArray::const_iterator i = Common::find(_fullscreenVideoModes.begin(),
_fullscreenVideoModes.end(),
VideoMode(_desiredFullscreenWidth, _desiredFullscreenHeight));
if (i == _fullscreenVideoModes.end()) {
return true;
}
// Cycle through the modes in the specified direction.
if (direction > 0) {
++i;
if (i == _fullscreenVideoModes.end()) {
i = _fullscreenVideoModes.begin();
}
} else {
if (i == _fullscreenVideoModes.begin()) {
i = _fullscreenVideoModes.end();
}
--i;
}
_desiredFullscreenWidth = i->width;
_desiredFullscreenHeight = i->height;
// Try to setup the mode.
if (!setupMode(_lastRequestedWidth, _lastRequestedHeight)) {
warning("OpenGLSdlGraphicsManager::notifyEvent: Fullscreen resize failed ('%s')", SDL_GetError());
g_system->quit();
}
} else {
// Calculate the next scaling setting. We approximate the
// current scale setting in case the user resized the
// window. Then we apply the direction change.
_graphicsScale = MAX<int>(_hwScreen->w / _lastRequestedWidth, _hwScreen->h / _lastRequestedHeight);
_graphicsScale = MAX<int>(_graphicsScale + direction, 1);
// Since we overwrite a user resize here we reset its
// flag here. This makes enabling AR smoother because it
// will change the window size like in surface SDL.
_gotResize = false;
// Try to setup the mode.
if (!setupMode(_lastRequestedWidth * _graphicsScale, _lastRequestedHeight * _graphicsScale)) {
warning("OpenGLSdlGraphicsManager::notifyEvent: Window resize failed ('%s')", SDL_GetError());
g_system->quit();
}
}
#ifdef USE_OSD
const Common::String osdMsg = Common::String::format("Resolution: %dx%d", _hwScreen->w, _hwScreen->h);
displayMessageOnOSD(osdMsg.c_str());
#endif
return true;
} else if (event.kbd.keycode == Common::KEYCODE_a) {
// In case the user changed the window size manually we will
// not change the window size again here.
_ignoreLoadVideoMode = _gotResize;
// Ctrl+Alt+a toggles the aspect ratio correction state.
beginGFXTransaction();
setFeatureState(OSystem::kFeatureAspectRatioCorrection, !getFeatureState(OSystem::kFeatureAspectRatioCorrection));
endGFXTransaction();
// Make sure we do not ignore the next resize. This
// effectively checks whether loadVideoMode has been called.
assert(!_ignoreLoadVideoMode);
#ifdef USE_OSD
Common::String osdMsg = "Aspect ratio correction: ";
osdMsg += getFeatureState(OSystem::kFeatureAspectRatioCorrection) ? "enabled" : "disabled";
displayMessageOnOSD(osdMsg.c_str());
#endif
return true;
} else if (event.kbd.keycode == Common::KEYCODE_f) {
// Ctrl+Alt+f toggles the graphics modes.
// We are crazy we will allow the OpenGL base class to
// introduce new graphics modes like shaders for special
// filtering. If some other OpenGL subclass needs this,
// we can think of refactoring this.
int mode = getGraphicsMode();
const OSystem::GraphicsMode *supportedModes = getSupportedGraphicsModes();
const OSystem::GraphicsMode *modeDesc = nullptr;
// Search the current mode.
for (; supportedModes->name; ++supportedModes) {
if (supportedModes->id == mode) {
modeDesc = supportedModes;
break;
}
}
assert(modeDesc);
// Try to use the next mode in the list.
++modeDesc;
if (!modeDesc->name) {
modeDesc = getSupportedGraphicsModes();
}
// Never ever try to resize the window when we simply want to
// switch the graphics mode. This assures that the window size
// does not change.
_ignoreLoadVideoMode = true;
beginGFXTransaction();
setGraphicsMode(modeDesc->id);
endGFXTransaction();
// Make sure we do not ignore the next resize. This
// effectively checks whether loadVideoMode has been called.
assert(!_ignoreLoadVideoMode);
#ifdef USE_OSD
const Common::String osdMsg = Common::String::format("Graphics mode: %s", _(modeDesc->description));
displayMessageOnOSD(osdMsg.c_str());
#endif
return true;
}
}
// Fall through
default:
return false;
}
}
