LRESULT WIN32Window::windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
m_inputEvent.keyboardModifiers = 0;
if(IsKeyDown(VK_CONTROL))
m_inputEvent.keyboardModifiers |= Fw::KeyboardCtrlModifier;
if(IsKeyDown(VK_SHIFT))
m_inputEvent.keyboardModifiers |= Fw::KeyboardShiftModifier;
if(IsKeyDown(VK_MENU))
m_inputEvent.keyboardModifiers |= Fw::KeyboardAltModifier;
switch(uMsg)
{
case WM_SETCURSOR: {
if(m_cursor)
SetCursor(m_cursor);
else
return DefWindowProc(hWnd, uMsg, wParam, lParam);
break;
}
case WM_ACTIVATE: {
m_focused = !(wParam == WA_INACTIVE);
releaseAllKeys();
break;
}
case WM_SETFOCUS:
case WM_KILLFOCUS: {
releaseAllKeys();
break;
}
case WM_CHAR: {
if(wParam >= 32 && wParam <= 255) {
m_inputEvent.reset(Fw::KeyTextInputEvent);
m_inputEvent.keyText = wParam;
if(m_onInputEvent)
m_onInputEvent(m_inputEvent);
}
break;
}
case WM_CLOSE: {
m_onClose();
break;
}
case WM_KEYDOWN: {
processKeyDown(retranslateVirtualKey(wParam, lParam));
break;
}
case WM_KEYUP: {
processKeyUp(retranslateVirtualKey(wParam, lParam));
break;
}
case WM_SYSKEYUP: {
processKeyUp(retranslateVirtualKey(wParam, lParam));
break;
}
case WM_SYSKEYDOWN: {
if(wParam == VK_F4 && m_inputEvent.keyboardModifiers & Fw::KeyboardAltModifier)
return DefWindowProc(hWnd, uMsg, wParam, lParam);
processKeyDown(retranslateVirtualKey(wParam, lParam));
break;
}
case WM_LBUTTONDOWN: {
SetCapture(m_window);
m_inputEvent.reset(Fw::MousePressInputEvent);
m_inputEvent.mouseButton = Fw::MouseLeftButton;
m_mouseButtonStates[Fw::MouseLeftButton] = true;
if(m_onInputEvent)
m_onInputEvent(m_inputEvent);
break;
}
case WM_LBUTTONUP: {
SetCapture(NULL);
m_inputEvent.reset(Fw::MouseReleaseInputEvent);
m_inputEvent.mouseButton = Fw::MouseLeftButton;
m_mouseButtonStates[Fw::MouseLeftButton] = false;
if(m_onInputEvent)
m_onInputEvent(m_inputEvent);
break;
}
case WM_MBUTTONDOWN: {
SetCapture(m_window);
m_inputEvent.reset(Fw::MousePressInputEvent);
m_inputEvent.mouseButton = Fw::MouseMidButton;
m_mouseButtonStates[Fw::MouseMidButton] = true;
if(m_onInputEvent)
m_onInputEvent(m_inputEvent);
break;
}
case WM_MBUTTONUP: {
SetCapture(NULL);
m_inputEvent.reset(Fw::MouseReleaseInputEvent);
m_inputEvent.mouseButton = Fw::MouseMidButton;
m_mouseButtonStates[Fw::MouseMidButton] = false;
if(m_onInputEvent)
m_onInputEvent(m_inputEvent);
break;
}
case WM_RBUTTONDOWN: {
SetCapture(m_window);
m_inputEvent.reset(Fw::MousePressInputEvent);
m_inputEvent.mouseButton = Fw::MouseRightButton;
m_mouseButtonStates[Fw::MouseRightButton] = true;
if(m_onInputEvent)
m_onInputEvent(m_inputEvent);
break;
}
case WM_RBUTTONUP: {
SetCapture(NULL);
m_inputEvent.reset(Fw::MouseReleaseInputEvent);
m_inputEvent.mouseButton = Fw::MouseRightButton;
m_mouseButtonStates[Fw::MouseRightButton] = false;
if(m_onInputEvent)
m_onInputEvent(m_inputEvent);
break;
}
case WM_MOUSEMOVE: {
m_inputEvent.reset(Fw::MouseMoveInputEvent);
Point newMousePos(LOWORD(lParam), HIWORD(lParam));
if(newMousePos.x >= 32767)
newMousePos.x = 0;
else
newMousePos.x = std::min<int32>(newMousePos.x, m_size.width());
if(newMousePos.y >= 32767)
newMousePos.y = 0;
else
newMousePos.y = std::min<int32>(newMousePos.y, m_size.height());
m_inputEvent.mouseMoved = newMousePos - m_inputEvent.mousePos;
m_inputEvent.mousePos = newMousePos;
if(m_onInputEvent)
m_onInputEvent(m_inputEvent);
break;
}
case WM_MOUSEWHEEL: {
m_inputEvent.reset(Fw::MouseWheelInputEvent);
m_inputEvent.mouseButton = Fw::MouseMidButton;
m_inputEvent.wheelDirection = ((short)HIWORD(wParam)) > 0 ? Fw::MouseWheelUp : Fw::MouseWheelDown;
if(m_onInputEvent)
m_onInputEvent(m_inputEvent);
break;
}
case WM_MOVE: {
m_position.x = (short)LOWORD(lParam);
m_position.y = (short)HIWORD(lParam);
break;
}
case WM_GETMINMAXINFO: {
LPMINMAXINFO pMMI = (LPMINMAXINFO)lParam;
Rect adjustedRect = adjustWindowRect(Rect(0, 0, m_minimumSize));
pMMI->ptMinTrackSize.x = adjustedRect.width();
pMMI->ptMinTrackSize.y = adjustedRect.height();
break;
}
case WM_SIZE: {
bool forceResize = false;
switch(wParam) {
case SIZE_MAXIMIZED:
m_maximized = true;
m_visible = true;
forceResize = true;
break;
case SIZE_RESTORED:
m_maximized = false;
m_visible = true;
forceResize = true;
break;
case SIZE_MINIMIZED:
m_visible = false;
break;
}
if(m_visible && m_deviceContext)
internalRestoreGLContext();
Size size = Size(LOWORD(lParam), HIWORD(lParam));
size.setWidth(std::max<int32>(std::min<int32>(size.width(), 7680), 32));
size.setHeight(std::max<int32>(std::min<int32>(size.height(), 4320), 32));
if(m_visible && (forceResize || m_size != size)) {
m_size = size;
m_onResize(m_size);
}
break;
}
default:
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
return 0;
}
void X11Window::poll()
{
bool needsResizeUpdate = false;
XEvent event, peekEvent;
while(XPending(m_display) > 0) {
XNextEvent(m_display, &event);
// check for repeated key releases
bool repatedKeyRelease = false;
if(event.type == KeyRelease && XPending(m_display)) {
XPeekEvent(m_display, &peekEvent);
if((peekEvent.type == KeyPress) && (peekEvent.xkey.keycode == event.xkey.keycode) && ((peekEvent.xkey.time-event.xkey.time) < 2))
repatedKeyRelease = true;
}
// process keydown and keyrelease events first
if(event.type == KeyPress || (event.type == KeyRelease && !repatedKeyRelease)) {
// remove caps lock and shift maks
XKeyEvent xkey = event.xkey;
xkey.state &= ~(ShiftMask | LockMask);
// lookup keysym and translate it
KeySym keysym;
char buf[32];
XLookupString(&xkey, buf, sizeof(buf), &keysym, 0);
Fw::Key keyCode = Fw::KeyUnknown;
if(m_keyMap.find(keysym) != m_keyMap.end())
keyCode = m_keyMap[keysym];
if(event.type == KeyPress)
processKeyDown(keyCode);
else if(event.type == KeyRelease)
processKeyUp(keyCode);
}
// call filter because xim will discard KeyPress events when keys still composing
if(XFilterEvent(&event, m_window))
continue;
// discard repated key releases
if(repatedKeyRelease)
continue;
switch(event.type) {
case ClientMessage: {
// close event
if((Atom)event.xclient.data.l[0] == m_wmDelete && m_onClose)
m_onClose();
break;
}
case ConfigureNotify: {
Size newSize(event.xconfigure.width, event.xconfigure.height);
Point newPos(event.xconfigure.x, event.xconfigure.y);
// updates window size
if(m_size != newSize) {
m_size = newSize;
needsResizeUpdate = true;
}
// checks if the window is maximized
if(m_visible) {
m_maximized = false;
Atom wmState = XInternAtom(m_display, "_NET_WM_STATE", False);
Atom wmStateMaximizedVert = XInternAtom(m_display, "_NET_WM_STATE_MAXIMIZED_VERT", False);
Atom wmStateMaximizedHorz = XInternAtom(m_display, "_NET_WM_STATE_MAXIMIZED_HORZ", False);
Atom actualType;
ulong i, numItems, bytesAfter;
uchar *propertyValue = NULL;
int actualFormat;
if(XGetWindowProperty(m_display, m_window, wmState,
0, 1024, False, XA_ATOM, &actualType,
&actualFormat, &numItems, &bytesAfter,
&propertyValue) == Success) {
Atom *atoms = (Atom*)propertyValue;
int maximizedMask = 0;
for(i=0; i<numItems; ++i) {
if(atoms[i] == wmStateMaximizedVert)
maximizedMask |= 1;
else if(atoms[i] == wmStateMaximizedHorz)
maximizedMask |= 2;
}
if(maximizedMask == 3)
m_maximized = true;
XFree(propertyValue);
}
}
// updates window pos
if(m_visible)
m_position = newPos;
updateUnmaximizedCoords();
break;
}
case SelectionRequest: {
XEvent respond;
XSelectionRequestEvent *req = &(event.xselectionrequest);
Atom targets = XInternAtom(m_display, "TARGETS", False);
if(req->target == targets) {
Atom typeList[] = { XInternAtom(m_display, "UTF8_STRING", False),
XInternAtom(m_display, "TEXT", False),
XInternAtom(m_display, "STRING", False),
XInternAtom(m_display, "text/plain", False),
XInternAtom(m_display, "COMPOUND_TEXT", False),
XA_STRING };
XChangeProperty(m_display, req->requestor,
req->property, req->target,
8, PropModeReplace,
(uchar *)&typeList,
sizeof(typeList));
respond.xselection.property = req->property;
} else {
XChangeProperty(m_display,
req->requestor,
req->property, req->target,
8,
PropModeReplace,
(uchar *)m_clipboardText.c_str(),
m_clipboardText.length());
respond.xselection.property = req->property;
}
respond.xselection.type = SelectionNotify;
respond.xselection.display = req->display;
respond.xselection.requestor = req->requestor;
respond.xselection.selection = req->selection;
respond.xselection.target = req->target;
respond.xselection.time = req->time;
XSendEvent(m_display, req->requestor, 0, 0, &respond);
XFlush(m_display);
break;
}
// process text events
case KeyPress: {
// text cant be insert while holding ctrl or alt
if(event.xkey.state & ControlMask || event.xkey.state & Mod1Mask)
break;
// process key text events
KeySym keysym;
char buf[32];
memset(buf, 0, 32);
int len;
// lookup for keyText
if(m_xic) { // with xim we can get latin1 input correctly
Status status;
len = XmbLookupString(m_xic, &event.xkey, buf, sizeof(buf), &keysym, &status);
} else { // otherwise use XLookupString, but often it doesn't work right with dead keys
static XComposeStatus compose = {NULL, 0};
len = XLookupString(&event.xkey, buf, sizeof(buf), &keysym, &compose);
}
// filter unwanted characters
if(len == 0 || (uchar)(buf[0]) < 32 || keysym == XK_BackSpace || keysym == XK_Return || keysym == XK_Delete || keysym == XK_Escape)
break;
std::string text = buf;
//g_logger.debug("char: ", buf[0], " code: ", (int)((uchar)buf[0]));
if(m_onInputEvent && text.length() > 0) {
m_inputEvent.reset(Fw::KeyTextInputEvent);
m_inputEvent.keyText = text;
m_onInputEvent(m_inputEvent);
}
break;
}
case ButtonPress:
case ButtonRelease: {
m_inputEvent.reset();
m_inputEvent.type = (event.type == ButtonPress) ? Fw::MousePressInputEvent : Fw::MouseReleaseInputEvent;
switch(event.xbutton.button) {
case Button1:
m_inputEvent.mouseButton = Fw::MouseLeftButton;
m_mouseButtonStates[Fw::MouseLeftButton] = (event.type == ButtonPress);
break;
case Button3:
m_inputEvent.mouseButton = Fw::MouseRightButton;
m_mouseButtonStates[Fw::MouseRightButton] = (event.type == ButtonPress);
break;
case Button2:
m_inputEvent.mouseButton = Fw::MouseMidButton;
m_mouseButtonStates[Fw::MouseMidButton] = (event.type == ButtonPress);
break;
case Button4:
if(event.type == ButtonPress) {
m_inputEvent.type = Fw::MouseWheelInputEvent;
m_inputEvent.mouseButton = Fw::MouseMidButton;
m_inputEvent.wheelDirection = Fw::MouseWheelUp;
}
break;
case Button5:
if(event.type == ButtonPress) {
m_inputEvent.type = Fw::MouseWheelInputEvent;
m_inputEvent.mouseButton = Fw::MouseMidButton;
m_inputEvent.wheelDirection = Fw::MouseWheelDown;
}
break;
default:
m_inputEvent.type = Fw::NoInputEvent;
break;
}
if(m_inputEvent.type != Fw::NoInputEvent && m_onInputEvent)
m_onInputEvent(m_inputEvent);
break;
}
case MotionNotify: {
m_inputEvent.reset();
m_inputEvent.type = Fw::MouseMoveInputEvent;
Point newMousePos(event.xbutton.x, event.xbutton.y);
m_inputEvent.mouseMoved = newMousePos - m_inputEvent.mousePos;
m_inputEvent.mousePos = newMousePos;
if(m_onInputEvent)
m_onInputEvent(m_inputEvent);
break;
}
case MapNotify:
m_visible = true;
needsResizeUpdate = true;
break;
case UnmapNotify:
m_visible = false;
releaseAllKeys();
break;
case FocusIn:
m_focused = true;
releaseAllKeys();
break;
case FocusOut:
m_focused = false;
releaseAllKeys();
break;
case Expose:
// window needs redraw
break;
}
}
if(needsResizeUpdate && m_onResize)
m_onResize(m_size);
fireKeysPress();
}
void Window::close()
{
if(m_onClose)
m_onClose(*this);
this->as<Widget>().remove();
}