void KXtApplication::init()
{
Q_ASSERT(qxtapp==0);
qxtapp = this;
installXtEventFilters();
qt_np_add_timeoutcb(np_do_timers);
qt_np_add_timer_setter(np_set_timer);
qt_np_add_event_proc(np_event_proc);
qt_np_count++;
/* QTimer *timer = new QTimer( this );
timer->start(500);*/
}
// Called when a top-level widget (which has an Xt widget's window) is entered.
static
void enter_event_handler(Widget, XtPointer xtp, XEvent* event, Boolean* cont)
{
_NPInstance* This = (_NPInstance*)xtp;
if (piApp) {
installXtEventFilters(Dangerous);
if ( xtp ) {
if ( focussedWidget )
focussedWidget->leaveInstance();
focussedWidget = This->widget;
if ( focussedWidget ) {
focussedWidget->enterInstance();
qt_np_leave_cb = PluginSDK_QApplication::removeXtEventFiltersIfOutsideQNPWidget;
}
}
// Post the event
*cont = qt_event_handler(event);
} else {
*cont = FALSE;
}
}
extern "C" NPError
NPP_SetWindow(NPP instance, NPWindow* window)
{
if (!qNP) qNP = QNPlugin::create();
NPError result = NPERR_NO_ERROR;
_NPInstance* This;
if (instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
This = (_NPInstance*) instance->pdata;
if (!window) {
if (This->widget) {
This->widget->unsetWindow();
This->window = 0;
delete This->widget;
This->widget = 0;
}
#ifdef _WS_X11_
} else if (This->window != (Window) window->window) {
if (This->window)
NPP_SetWindow( instance, 0 ); // unset
This->window = (Window) window->window;
#endif
#ifdef _WS_WIN_
} else if (This->window != (HWND) window->window) {
if (This->window)
SetWindowLong( This->window, GWL_WNDPROC,
(LONG)This->fDefaultWindowProc );
This->fDefaultWindowProc =
(WNDPROC)GetWindowLong( (HWND)window->window, GWL_WNDPROC);
This->window = (HWND) window->window;
#endif
This->x = window->x;
This->y = window->y;
This->width = window->width;
This->height = window->height;
#ifdef _WS_X11_
This->display =
((NPSetWindowCallbackStruct *)window->ws_info)->display;
#endif
if (!piApp) {
#ifdef _WS_X11_
if (!qApp) {
// Thou Shalt Not Unload Qt
// Increment the reference count...
// dlopen("libqt.so.1", RTLD_LAZY);
// ... and never close it.
// Nice try. Can't get that to work.
// We are the first Qt-based plugin to arrive
new QApplication(This->display);
//XSynchronize(This->display,True); // Helps debugging
ASSERT(qt_np_count == 0);
}
installXtEventFilters(Safe);
qt_np_add_timeoutcb(np_do_timers);
qt_np_add_timer_setter(np_set_timer);
qt_np_add_event_proc(np_event_proc);
qt_np_count++;
appcon = XtDisplayToApplicationContext(This->display);
#endif
piApp = new PluginSDK_QApplication();
}
if (!This->widget) {
#ifdef _WS_WIN_
This->window = (HWND) window->window;
InvalidateRect( This->window, NULL, TRUE );
UpdateWindow( This->window );
#endif
// New widget on this new window.
next_pi = This;
/* This->widget = */ // (happens sooner - in QNPWidget constructor)
This->instance->newWindow();
This->widget->show();
} else {
// New window for existing widget, and all its children.
This->widget->setWindow(FALSE);
}
} else if (This->widget) {
// ### Maybe need a geometry setter that bypasses some Qt code?
// ### position is always (0,0), so we get by by ignoring it.
//This->widget->setGeometry(window->x,window->y, window->width, window->height);
if ( This->widget->width() != (int)window->width
|| This->widget->height() != (int)window->height )
{
//#ifdef _WS_WIN_
//This->widget->setGeometry(window->x, window->y, window->width, window->height);
//#else
This->widget->resize(window->width, window->height);
//#endif
} else {
This->widget->update();
}
}
This->fWindow = window;
return result;
}
