void Events::Poll()
{
GamePad::Clear();
Joystick::Clear();
Keyboard::Clear();
Mouse::Clear();
while (SDL_PollEvent(&mEvent))
{
switch (mEvent.type)
{
case SDL_QUIT:
OnQuit();
break;
case SDL_APP_TERMINATING:
OnAppTerminating();
break;
case SDL_APP_LOWMEMORY:
OnAppLowMemory();
break;
case SDL_APP_WILLENTERBACKGROUND:
OnAppWillEnterBackground();
break;
case SDL_APP_DIDENTERBACKGROUND:
OnAppDidEnterBackground();
break;
case SDL_APP_WILLENTERFOREGROUND:
OnAppWillEnterForeground();
break;
case SDL_APP_DIDENTERFOREGROUND:
OnAppDidEnterForeground();
break;
case SDL_WINDOWEVENT:
OnWindowEvent();
break;
case SDL_SYSWMEVENT:
OnSysWMEvent();
break;
case SDL_KEYDOWN:
OnKeyDown(mEvent.key.keysym.sym, mEvent.key.keysym.mod, mEvent.key.repeat);
Keyboard::SetKey(mEvent.key.keysym.sym, true);
break;
case SDL_KEYUP:
OnKeyUp(mEvent.key.keysym.sym, mEvent.key.keysym.mod, mEvent.key.repeat);
Keyboard::SetKey(mEvent.key.keysym.sym, false);
break;
case SDL_TEXTEDITING:
OnTextEditing();
break;
case SDL_TEXTINPUT:
OnTextInput();
break;
case SDL_MOUSEMOTION:
OnMouseMotion(mEvent.motion.x, mEvent.motion.y, mEvent.motion.xrel, mEvent.motion.yrel);
Mouse::SetPosition(mEvent.motion.x, mEvent.motion.y);
break;
case SDL_MOUSEBUTTONDOWN:
switch(mEvent.button.button)
{
case SDL_BUTTON_LEFT:
OnMouseLeftButtonDown(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_RIGHT:
OnMouseRightButtonDown(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_MIDDLE:
OnMouseMiddleButtonDown(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_X1:
OnMouseLeftButtonDown(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_X2:
OnMouseLeftButtonDown(mEvent.button.x, mEvent.button.y);
break;
}
break;
case SDL_MOUSEBUTTONUP:
switch(mEvent.button.button)
{
case SDL_BUTTON_LEFT:
OnMouseLeftButtonUp(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_RIGHT:
OnMouseRightButtonUp(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_MIDDLE:
OnMouseMiddleButtonUp(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_X1:
OnMouseLeftButtonUp(mEvent.button.x, mEvent.button.y);
break;
case SDL_BUTTON_X2:
OnMouseLeftButtonUp(mEvent.button.x, mEvent.button.y);
break;
}
break;
case SDL_MOUSEWHEEL:
OnMouseWheel(mEvent.wheel.x, mEvent.wheel.y);
Mouse::SetScroll(mEvent.wheel.x, mEvent.wheel.y);
break;
case SDL_JOYAXISMOTION:
OnJoyAxisMotion();
break;
case SDL_JOYBALLMOTION:
OnJoyBallMotion();
break;
case SDL_JOYHATMOTION:
OnJoyHatMotion();
break;
case SDL_JOYBUTTONDOWN:
OnJoyBallButtonDown();
break;
case SDL_JOYBUTTONUP:
OnJoyBallButtonUp();
break;
case SDL_JOYDEVICEADDED:
OnJoyDeviceAdded();
break;
case SDL_JOYDEVICEREMOVED:
OnJoyDeviceRemoved();
break;
case SDL_CONTROLLERAXISMOTION:
OnControllerAxisMotion(mEvent.caxis.axis, mEvent.caxis.value, mEvent.caxis.which);
GamePad::SetAxis(mEvent.caxis.axis, mEvent.caxis.value, mEvent.caxis.which);
break;
case SDL_CONTROLLERBUTTONDOWN:
OnControllerButtonDown(mEvent.cbutton.button, mEvent.cbutton.which);
GamePad::SetButton(mEvent.cbutton.button, true, mEvent.cbutton.which);
break;
case SDL_CONTROLLERBUTTONUP:
OnControllerButtonUp(mEvent.cbutton.button, mEvent.cbutton.which);
GamePad::SetButton(mEvent.cbutton.button, false, mEvent.cbutton.which);
break;
case SDL_CONTROLLERDEVICEADDED:
OnControllerDeviceAdded(mEvent.cdevice.which);
GamePad::Add(mEvent.cdevice.which);
break;
case SDL_CONTROLLERDEVICEREMOVED:
OnControllerDeviceRemoved(mEvent.cdevice.which);
GamePad::Remove(mEvent.cdevice.which);
break;
case SDL_CONTROLLERDEVICEREMAPPED:
OnControllerDeviceRemapped(mEvent.cdevice.which);
break;
case SDL_FINGERDOWN:
OnFingerDown();
break;
case SDL_FINGERUP:
OnFingerUp();
break;
case SDL_FINGERMOTION:
OnFingerMotion();
break;
case SDL_DOLLARGESTURE:
OnDollarGesture();
break;
case SDL_DOLLARRECORD:
OnDollarRecord();
break;
case SDL_MULTIGESTURE:
OnMultiGesture();
break;
case SDL_CLIPBOARDUPDATE:
OnClipboardUpdate();
break;
case SDL_DROPFILE:
OnDropFile();
break;
case SDL_USEREVENT:
OnUserEvent();
break;
default:
OnUndefined();
break;
}
}
}
int svlWindowManagerX11::DoModal(bool show, bool fullscreen)
{
Destroy();
DestroyFlag = false;
unsigned int i, atom_count;
int x, y, prevright, prevbottom;
unsigned int lastimage = 0;
unsigned long black, white;
XSizeHints wsh;
#if CISST_SVL_HAS_XV
Atom atoms[3];
unsigned int xvadaptorcount;
XvAdaptorInfo *xvai;
XVisualInfo xvvinfo;
bool xvupdateimage = true;
#else // CISST_SVL_HAS_XV
Atom atoms[2];
#endif // CISST_SVL_HAS_XV
// setting decoration hints for borderless mode
struct {
unsigned long flags;
unsigned long functions;
unsigned long decorations;
signed long input_mode;
unsigned long status;
} mwm;
mwm.flags = MWM_HINTS_DECORATIONS;
mwm.decorations = 0;
mwm.functions = 0;
mwm.input_mode = 0;
mwm.status = 0;
// resetting DestroyedSignal event
if (DestroyedSignal) delete(DestroyedSignal);
DestroyedSignal = new osaThreadSignal();
if (DestroyedSignal == 0) goto labError;
// initialize display and pick default screen
xDisplay = XOpenDisplay(reinterpret_cast<char*>(0));
xScreen = DefaultScreen(xDisplay);
#if CISST_SVL_HAS_XV
// check if 24bpp is suppoted by the display
if (XMatchVisualInfo(xDisplay, xScreen, 24, TrueColor, &xvvinfo) == 0) goto labError;
#endif // CISST_SVL_HAS_XV
// pick colors
black = BlackPixel(xDisplay, xScreen);
white = WhitePixel(xDisplay, xScreen);
// create windows
xWindows = new Window[NumOfWins];
memset(xWindows, 0, NumOfWins * sizeof(Window));
xGCs = new GC[NumOfWins];
memset(xGCs, 0, NumOfWins * sizeof(GC));
// create atoms for overriding default window behaviours
atoms[0] = XInternAtom(xDisplay, "WM_DELETE_WINDOW", False);
atoms[1] = XInternAtom(xDisplay, "_MOTIF_WM_HINTS", False);
#if CISST_SVL_HAS_XV
atoms[2] = XInternAtom(xDisplay, "XV_SYNC_TO_VBLANK", False);
#endif // CISST_SVL_HAS_XV
// create title strings
Titles = new std::string[NumOfWins];
CustomTitles = new std::string[NumOfWins];
CustomTitleEnabled = new int[NumOfWins];
#if CISST_SVL_HAS_XV
xvImg = new XvImage*[NumOfWins];
xvShmInfo = new XShmSegmentInfo[NumOfWins];
xvPort = new XvPortID[NumOfWins];
if (xvImg == 0 || xvShmInfo == 0 || xvPort == 0) goto labError;
memset(xvImg, 0, NumOfWins * sizeof(XvImage*));
memset(xvShmInfo, 0, NumOfWins * sizeof(XShmSegmentInfo));
memset(xvPort, 0, NumOfWins * sizeof(XvPortID));
#else // CISST_SVL_HAS_XV
// create images
xImageBuffers = new unsigned char*[NumOfWins];
for (i = 0; i < NumOfWins; i ++) {
xImageBuffers[i] = new unsigned char[Width[i] * Height[i] * 4];
}
xImg = new XImage*[NumOfWins];
memset(xImg, 0, NumOfWins * sizeof(XImage*));
if (xImg == 0) goto labError;
for (i = 0; i < NumOfWins; i ++) {
xImg[i] = XCreateImage(xDisplay,
DefaultVisual(xDisplay, xScreen),
24,
ZPixmap,
0,
reinterpret_cast<char*>(xImageBuffers[i]),
Width[i],
Height[i],
32,
0);
}
#endif // CISST_SVL_HAS_XV
prevright = prevbottom = 0;
for (i = 0; i < NumOfWins; i ++) {
if (PosX == 0 || PosY == 0) {
if (fullscreen) {
x = prevright;
y = 0;
prevright += Width[i];
}
else {
x = prevright;
y = prevbottom;
prevright += 50;
prevbottom += 50;
}
}
else {
x = PosX[i];
y = PosY[i];
}
xWindows[i] = XCreateSimpleWindow(xDisplay, DefaultRootWindow(xDisplay),
x,
y,
Width[i],
Height[i],
0,
black,
white);
if (xWindows[i] == 0) goto labError;
// overriding default behaviours:
// - borderless mode
// - closing window
if (fullscreen) {
XChangeProperty(xDisplay, xWindows[i],
atoms[1], atoms[1], 32,
PropModeReplace, reinterpret_cast<unsigned char*>(&mwm), 5);
atom_count = 2;
}
else {
atom_count = 1;
}
XSetWMProtocols(xDisplay, xWindows[i], atoms, atom_count);
wsh.flags = PPosition|PSize;
wsh.x = x;
wsh.y = y;
wsh.width = Width[i];
wsh.height = Height[i];
XSetNormalHints(xDisplay, xWindows[i], &wsh);
// set window title
CustomTitleEnabled[i] = 0;
std::ostringstream ostring;
if (Title.length() > 0) {
if (NumOfWins > 0) ostring << Title << " #" << i;
else ostring << Title;
}
else {
if (NumOfWins > 0) ostring << Title << "svlImageWindow #" << i;
else ostring << "svlImageWindow";
}
Titles[i] = ostring.str();
XSetStandardProperties(xDisplay, xWindows[i],
Titles[i].c_str(), Titles[i].c_str(),
None, NULL, 0, NULL);
// set even mask
XSelectInput(xDisplay, xWindows[i], ExposureMask|PointerMotionMask|ButtonPressMask|KeyPressMask);
// set window colormap
XSetWindowColormap(xDisplay, xWindows[i], DefaultColormapOfScreen(DefaultScreenOfDisplay(xDisplay)));
#if CISST_SVL_HAS_XV
// query shared memory extension
if (!XShmQueryExtension(xDisplay)) goto labError;
// query video adaptors
if (XvQueryAdaptors(xDisplay, DefaultRootWindow(xDisplay), &xvadaptorcount, &xvai) != Success) goto labError;
xvPort[i] = xvai->base_id + i;
XvFreeAdaptorInfo(xvai);
// overriding default Xvideo vertical sync behavior
XvSetPortAttribute (xDisplay, xvPort[i], atoms[2], 1);
#endif // CISST_SVL_HAS_XV
// create graphics context
xGCs[i] = XCreateGC(xDisplay, xWindows[i], 0, 0);
// set default colors
XSetBackground(xDisplay, xGCs[i], white);
XSetForeground(xDisplay, xGCs[i], black);
#if CISST_SVL_HAS_XV
// create image in shared memory
xvImg[i] = XvShmCreateImage(xDisplay, xvPort[i], 0x32595559/*YUV2*/, 0, Width[i], Height[i], &(xvShmInfo[i]));
if (xvImg[i]->width < static_cast<int>(Width[i]) || xvImg[i]->height < static_cast<int>(Height[i])) {
CMN_LOG_INIT_ERROR << "DoModal - image too large for XV to display (requested="
<< Width[i] << "x" << Height[i] << "; allowed="
<< xvImg[i]->width << "x" << xvImg[i]->height << ")" << std::endl;
goto labError;
}
xvShmInfo[i].shmid = shmget(IPC_PRIVATE, xvImg[i]->data_size, IPC_CREAT | 0777);
xvShmInfo[i].shmaddr = xvImg[i]->data = reinterpret_cast<char*>(shmat(xvShmInfo[i].shmid, 0, 0));
xvShmInfo[i].readOnly = False;
if (!XShmAttach(xDisplay, &(xvShmInfo[i]))) goto labError;
#endif // CISST_SVL_HAS_XV
// clear window
XClearWindow(xDisplay, xWindows[i]);
// show window if requested
if (show) XMapRaised(xDisplay, xWindows[i]);
}
// signal that initialization is done
if (InitReadySignal) InitReadySignal->Raise();
// main message loop
XEvent event;
KeySym code;
unsigned int winid;
while (1) {
osaSleep(0.001);
#if CISST_SVL_HAS_XV
if (!xvupdateimage) {
for (int events = XPending(xDisplay); events > 0; events --) {
#else // CISST_SVL_HAS_XV
if (XPending(xDisplay)) {
#endif // CISST_SVL_HAS_XV
XNextEvent(xDisplay, &event);
// find recipient
for (winid = 0; winid < NumOfWins; winid ++) {
if (event.xany.window == xWindows[winid]) break;
}
if (winid == NumOfWins) continue;
// override default window behaviour
if (event.type == ClientMessage) {
if (static_cast<unsigned long>(event.xclient.data.l[0]) == atoms[0]) {
// X11 server wants to close window
// Do nothing.... we will destroy it ourselves later
}
continue;
}
// window should be closed
if (event.type == UnmapNotify) {
printf("destroy\n");
if (xGCs[winid]) {
XFreeGC(xDisplay, xGCs[winid]);
xGCs[winid] = 0;
}
xWindows[winid] = 0;
continue;
}
// window should be updated
if (event.type == Expose && event.xexpose.count == 0) {
XClearWindow(xDisplay, xWindows[winid]);
continue;
}
if (event.type == KeyPress) {
code = XLookupKeysym(&event.xkey, 0);
if (code >= 48 && code <= 57) { // ascii numbers
OnUserEvent(winid, true, code);
continue;
}
if (code >= 97 && code <= 122) { // ascii letters
OnUserEvent(winid, true, code);
continue;
}
if (code == 13 ||
code == 32) { // special characters with correct ascii code
OnUserEvent(winid, true, code);
continue;
}
if (code >= 0xffbe && code <= 0xffc9) { // F1-F12
OnUserEvent(winid, false, winInput_KEY_F1 + (code - 0xffbe));
continue;
}
switch (code) {
case 0xFF55:
OnUserEvent(winid, false, winInput_KEY_PAGEUP);
break;
case 0xFF56:
OnUserEvent(winid, false, winInput_KEY_PAGEDOWN);
break;
case 0xFF50:
OnUserEvent(winid, false, winInput_KEY_HOME);
break;
case 0xFF57:
OnUserEvent(winid, false, winInput_KEY_END);
break;
case 0xFF63:
OnUserEvent(winid, false, winInput_KEY_INSERT);
break;
case 0xFFFF:
OnUserEvent(winid, false, winInput_KEY_DELETE);
break;
case 0xFF51:
OnUserEvent(winid, false, winInput_KEY_LEFT);
break;
case 0xFF53:
OnUserEvent(winid, false, winInput_KEY_RIGHT);
break;
case 0xFF52:
OnUserEvent(winid, false, winInput_KEY_UP);
break;
case 0xFF54:
OnUserEvent(winid, false, winInput_KEY_DOWN);
break;
}
continue;
}
if (event.type == ButtonPress) {
if (event.xbutton.button == Button1) {
if (!LButtonDown && !RButtonDown) {
LButtonDown = true;
XGrabPointer(xDisplay, xWindows[winid], false,
PointerMotionMask|ButtonReleaseMask,
GrabModeAsync, GrabModeAsync,
None,
None,
CurrentTime);
}
OnUserEvent(winid, false, winInput_LBUTTONDOWN);
}
else if (event.xbutton.button == Button3) {
if (!LButtonDown && !RButtonDown) {
RButtonDown = true;
XGrabPointer(xDisplay, xWindows[winid], false,
PointerMotionMask|ButtonReleaseMask,
GrabModeAsync, GrabModeAsync,
None,
None,
CurrentTime);
}
OnUserEvent(winid, false, winInput_RBUTTONDOWN);
}
}
if (event.type == ButtonRelease) {
if (event.xbutton.button == Button1) {
OnUserEvent(winid, false, winInput_LBUTTONUP);
if (LButtonDown && !RButtonDown) {
LButtonDown = false;
XUngrabPointer(xDisplay, CurrentTime);
}
}
else if (event.xbutton.button == Button3) {
OnUserEvent(winid, false, winInput_RBUTTONUP);
if (!LButtonDown && RButtonDown) {
RButtonDown = false;
XUngrabPointer(xDisplay, CurrentTime);
}
}
}
if (event.type == MotionNotify) {
SetMousePos(static_cast<short>(event.xmotion.x), static_cast<short>(event.xmotion.y));
OnUserEvent(winid, false, winInput_MOUSEMOVE);
}
#if CISST_SVL_HAS_XV
// image update complete
if (event.type == XShmGetEventBase(xDisplay) + ShmCompletion) {
xvupdateimage = true;
continue;
}
}
if (!xvupdateimage) signalImage.Wait(0.01);
#endif // CISST_SVL_HAS_XV
}
else {
if (DestroyFlag) break;
if (ImageCounter > lastimage) {
csImage.Enter();
lastimage = ImageCounter;
#if CISST_SVL_HAS_XV
for (i = 0; i < NumOfWins; i ++) {
XvShmPutImage(xDisplay,
xvPort[i],
xWindows[i],
xGCs[i],
xvImg[i],
0, 0, Width[i], Height[i],
0, 0, Width[i], Height[i], True);
}
xvupdateimage = false;
#else // CISST_SVL_HAS_XV
for (i = 0; i < NumOfWins; i ++) {
xImg[i]->data = reinterpret_cast<char*>(xImageBuffers[i]);
XPutImage(xDisplay,
xWindows[i],
xGCs[i],
xImg[i],
0, 0, 0, 0,
Width[i], Height[i]);
}
#endif // CISST_SVL_HAS_XV
/*
for (i = 0; i < NumOfWins; i ++) {
if (CustomTitleEnabled[i] < 0) {
// Restore original timestamp
XSetStandardProperties(xDisplay, xWindows[i],
Titles[i].c_str(), Titles[i].c_str(),
None, NULL, 0, NULL);
}
else if (CustomTitleEnabled[i] > 0) {
// Set custom timestamp
XSetStandardProperties(xDisplay, xWindows[i],
CustomTitles[i].c_str(), CustomTitles[i].c_str(),
None, NULL, 0, NULL);
}
}
*/
csImage.Leave();
}
}
}
labError:
#if CISST_SVL_HAS_XV
if (xvShmInfo) {
for (i = 0; i < NumOfWins; i ++) {
XShmDetach(xDisplay, &(xvShmInfo[i]));
shmdt(xvShmInfo[i].shmaddr);
}
delete [] xvShmInfo;
xvShmInfo = 0;
}
#endif // CISST_SVL_HAS_XV
XSync(xDisplay, 0);
for (i = 0; i < NumOfWins; i ++) {
if (xGCs[i]) XFreeGC(xDisplay, xGCs[i]);
if (xWindows[i]) XDestroyWindow(xDisplay, xWindows[i]);
}
XCloseDisplay(xDisplay);
#if CISST_SVL_HAS_XV
if (xvImg) {
for (i = 0; i < NumOfWins; i ++) {
if (xvImg[i]) XFree(xvImg[i]);
}
delete [] xvImg;
xvImg = 0;
}
if (xvPort) {
delete [] xvPort;
xvPort = 0;
}
#else // CISST_SVL_HAS_XV
if (xImg) {
for (i = 0; i < NumOfWins; i ++) {
if (xImg[i]) XDestroyImage(xImg[i]);
}
delete [] xImg;
xImg = 0;
}
if (xImageBuffers) {
delete [] xImageBuffers;
xImageBuffers = 0;
}
#endif // CISST_SVL_HAS_XV
if (xGCs) {
delete [] xGCs;
xGCs = 0;
}
if (xWindows) {
delete [] xWindows;
xWindows = 0;
}
if (Titles) {
delete [] Titles;
Titles = 0;
}
if (CustomTitles) {
delete [] CustomTitles;
CustomTitles = 0;
}
if (CustomTitleEnabled) {
delete [] CustomTitleEnabled;
CustomTitleEnabled = 0;
}
xScreen = 0;
xDisplay = 0;
if (DestroyedSignal) DestroyedSignal->Raise();
return 0;
}
