void WindowSelector::start(std::function<void(KWin::Toplevel*)> callback, const QByteArray &cursorName)
{
xcb_cursor_t cursor = createCursor(cursorName);
if (m_active) {
callback(nullptr);
return;
}
xcb_connection_t *c = connection();
ScopedCPointer<xcb_grab_pointer_reply_t> grabPointer(xcb_grab_pointer_reply(c, xcb_grab_pointer_unchecked(c, false, rootWindow(),
XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE |
XCB_EVENT_MASK_POINTER_MOTION |
XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
cursor, XCB_TIME_CURRENT_TIME), NULL));
if (grabPointer.isNull() || grabPointer->status != XCB_GRAB_STATUS_SUCCESS) {
callback(nullptr);
return;
}
m_active = grabXKeyboard();
if (!m_active) {
xcb_ungrab_pointer(connection(), XCB_TIME_CURRENT_TIME);
callback(nullptr);
return;
}
grabXServer();
m_callback = callback;
}
void Player::onMouseClick(int button, int state, int x, int y)
{
if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN)
{
if (mouseControlsCamera_)
releasePointer();
else
grabPointer();
}
}
int main(int argc, char **argv)
{
AppInfo app;
XEvent event;
memset(&app, 0, sizeof(app));
progclass = "SshAskpass";
app.toplevelShell = XtAppInitialize(&(app.appContext), progclass,
NULL, 0, &argc, argv,
defaults, NULL, 0);
app.argc = argc;
app.argv = argv;
app.dpy = XtDisplay(app.toplevelShell);
app.screen = DefaultScreenOfDisplay(app.dpy);
app.rootWindow = RootWindowOfScreen(app.screen);
app.black = BlackPixel(app.dpy, DefaultScreen(app.dpy));
app.white = WhitePixel(app.dpy, DefaultScreen(app.dpy));
app.colormap = DefaultColormapOfScreen(app.screen);
app.resourceDb = XtDatabase(app.dpy);
XtGetApplicationNameAndClass(app.dpy, &progname, &progclass);
app.appName = progname;
app.appClass = progclass;
/* For resources.c. */
db = app.resourceDb;
/* Seconds after which keyboard/pointer grab fail. */
app.grabFailTimeout = 5;
/* Number of seconds to wait between grab attempts. */
app.grabRetryInterval = 1;
app.pid = getpid();
{
struct rlimit resourceLimit;
int status;
status = getrlimit(RLIMIT_CORE, &resourceLimit);
if (-1 == status) {
fprintf(stderr, "%s[%ld]: getrlimit failed (%s)\n", app.appName,
(long) app.pid, strerror(errno));
exit(EXIT_STATUS_ERROR);
}
resourceLimit.rlim_cur = 0;
status = setrlimit(RLIMIT_CORE, &resourceLimit);
if (-1 == status) {
fprintf(stderr, "%s[%ld]: setrlimit failed (%s)\n", app.appName,
(long) app.pid, strerror(errno));
exit(EXIT_STATUS_ERROR);
}
}
app.xResolution =
WidthOfScreen(app.screen) * 1000 / WidthMMOfScreen(app.screen);
app.yResolution =
HeightOfScreen(app.screen) * 1000 / HeightMMOfScreen(app.screen);
createDialog(&app);
createGCs(&app);
app.eventMask = 0;
app.eventMask |= ExposureMask;
app.eventMask |= ButtonPressMask;
app.eventMask |= ButtonReleaseMask;
app.eventMask |= Button1MotionMask;
app.eventMask |= KeyPressMask;
createDialogWindow(&app);
XMapWindow(app.dpy, app.dialog->dialogWindow);
if (app.inputTimeout > 0) {
app.inputTimeoutActive = True;
app.inputTimeoutTimerId =
XtAppAddTimeOut(app.appContext, app.inputTimeout,
handleInputTimeout, (XtPointer) &app);
}
while(True) {
XtAppNextEvent(app.appContext, &event);
switch (event.type) {
case Expose:
grabServer(&app);
grabKeyboard(&app);
grabPointer(&app);
if (event.xexpose.count) {
break;
}
paintDialog(&app);
break;
case ButtonPress:
case ButtonRelease:
handleButtonPress(&app, &event);
break;
case MotionNotify:
handlePointerMotion(&app, &event);
case KeyPress:
handleKeyPress(&app, &event);
break;
case ClientMessage:
if ((32 == event.xclient.format) &&
((unsigned long) event.xclient.data.l[0] ==
app.wmDeleteWindowAtom)) {
cancelAction(&app);
}
break;
default:
break;
}
}
fprintf(stderr, "%s[%ld]: This should not happen.\n", app.appName,
(long) app.pid);
return(EXIT_STATUS_ANOMALY);
}
