static int xlib_handle_event()
{
XEvent event;
int num_handled_events = 0;
while(XCheckMaskEvent(glwt.x11.display, ~0, &event) ||
XCheckTypedEvent(glwt.x11.display, ClientMessage, &event))
{
++num_handled_events;
GLWTWindow *win = 0;
if(XFindContext(
glwt.x11.display,
event.xany.window,
glwt.x11.xcontext,
(XPointer*)&win) != 0)
continue;
switch(event.type)
{
case ConfigureNotify:
if(win->win_callback)
{
GLWTWindowEvent e;
e.window = win;
e.type = GLWT_WINDOW_RESIZE;
e.resize.width = event.xconfigure.width;
e.resize.height = event.xconfigure.height;
win->win_callback(win, &e, win->userdata);
}
break;
case MapNotify:
case UnmapNotify:
if(win->win_callback)
{
GLWTWindowEvent e;
e.window = win;
e.type = event.type == MapNotify ? GLWT_WINDOW_SHOW : GLWT_WINDOW_HIDE;
e.dummy.dummy = 0;
win->win_callback(win, &e, win->userdata);
}
break;
case Expose:
if(win->win_callback)
{
GLWTWindowEvent e;
e.window = win;
e.type = GLWT_WINDOW_EXPOSE;
e.dummy.dummy = 0;
win->win_callback(win, &e, win->userdata);
}
break;
case KeyPress:
case KeyRelease:
if(win->win_callback)
{
GLWTWindowEvent e;
e.window = win;
e.type = event.type == KeyPress ? GLWT_WINDOW_KEY_DOWN : GLWT_WINDOW_KEY_UP;
e.key.keysym = translate_key(XkbKeycodeToKeysym(glwt.x11.display, event.xkey.keycode, 0, 0));
e.key.scancode = event.xkey.keycode;
e.key.mod = mapKeyMod(event.xkey.state);
win->win_callback(win, &e, win->userdata);
}
break;
case FocusIn:
case FocusOut:
if(win->win_callback)
{
GLWTWindowEvent e;
e.window = win;
e.type = event.type == FocusIn ? GLWT_WINDOW_FOCUS_IN : GLWT_WINDOW_FOCUS_OUT;
e.dummy.dummy = 0;
win->win_callback(win, &e, win->userdata);
}
break;
case ButtonPress:
case ButtonRelease:
if(win->win_callback)
{
GLWTWindowEvent e;
e.window = win;
e.type = event.type == ButtonPress ? GLWT_WINDOW_BUTTON_DOWN : GLWT_WINDOW_BUTTON_UP;
e.button.x = event.xbutton.x;
e.button.y = event.xbutton.y;
e.button.button = event.xbutton.button; // todo: make these consistent on different platforms
e.button.mod = mapKeyMod(event.xbutton.state);
win->win_callback(win, &e, win->userdata);
}
break;
case MotionNotify:
if(win->win_callback)
{
GLWTWindowEvent e;
e.window = win;
e.type = GLWT_WINDOW_MOUSE_MOTION;
e.motion.x = event.xmotion.x;
e.motion.y = event.xmotion.y;
e.motion.buttons = mapButtons(event.xmotion.state);
win->win_callback(win, &e, win->userdata);
}
break;
case EnterNotify:
case LeaveNotify:
if(win->win_callback)
{
GLWTWindowEvent e;
e.window = win;
e.type = event.type == EnterNotify ? GLWT_WINDOW_MOUSE_ENTER : GLWT_WINDOW_MOUSE_LEAVE;
e.dummy.dummy = 0;
win->win_callback(win, &e, win->userdata);
}
break;
case ClientMessage:
if((Atom)event.xclient.data.l[0] == glwt.x11.atoms.WM_DELETE_WINDOW)
{
win->closed = 1;
if(win->win_callback)
{
GLWTWindowEvent e;
e.window = win;
e.type = GLWT_WINDOW_CLOSE;
e.dummy.dummy = 0;
win->win_callback(win, &e, win->userdata);
}
} else if((Atom)event.xclient.data.l[0] == glwt.x11.atoms._NET_WM_PING)
{
event.xclient.window = RootWindow(glwt.x11.display, glwt.x11.screen_num);
XSendEvent(
glwt.x11.display,
event.xclient.window,
False,
SubstructureNotifyMask | SubstructureRedirectMask,
&event);
}
break;
default:
break;
}
}
return num_handled_events;
}
LRESULT CALLBACK glwtWin32WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
GLWTWindow *win = (GLWTWindow*)GetWindowLongPtr(hwnd, 0);
if(win)
{
switch(uMsg)
{
case WM_PAINT:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = GLWT_WINDOW_EXPOSE;
event.dummy.dummy = 0;
win->win_callback(win, &event, win->userdata);
}
ValidateRect(hwnd, NULL);
return 0;
case WM_KEYUP:
case WM_KEYDOWN:
case WM_SYSKEYUP:
case WM_SYSKEYDOWN:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = (uMsg == WM_KEYDOWN || uMsg == WM_SYSKEYDOWN) ? GLWT_WINDOW_KEY_DOWN : GLWT_WINDOW_KEY_UP;
event.key.keysym = translate_key(wParam, lParam);
event.key.scancode = (lParam >> 16) & 0xff;
event.key.mod = GetModifiers();
win->win_callback(win, &event, win->userdata);
}
if(uMsg == WM_SYSKEYUP || uMsg == WM_SYSKEYDOWN)
break;
return 0;
case WM_LBUTTONUP:
case WM_LBUTTONDOWN:
case WM_MBUTTONUP:
case WM_MBUTTONDOWN:
case WM_RBUTTONUP:
case WM_RBUTTONDOWN:
case WM_XBUTTONUP:
case WM_XBUTTONDOWN:
case WM_MOUSEWHEEL:
case WM_MOUSEHWHEEL:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = (
uMsg == WM_LBUTTONUP ||
uMsg == WM_MBUTTONUP ||
uMsg == WM_RBUTTONUP ||
uMsg == WM_XBUTTONUP ||
uMsg == WM_MOUSEWHEEL ||
uMsg == WM_MOUSEHWHEEL
) ? GLWT_WINDOW_BUTTON_DOWN : GLWT_WINDOW_BUTTON_UP;
event.button.x = LOWORD(lParam);
event.button.y = HIWORD(lParam);
event.button.button =
(uMsg == WM_LBUTTONUP || uMsg == WM_LBUTTONDOWN) ? 0 :
(uMsg == WM_MBUTTONUP || uMsg == WM_MBUTTONDOWN) ? 1 :
(uMsg == WM_RBUTTONUP || uMsg == WM_RBUTTONDOWN) ? 2 :
(uMsg == WM_XBUTTONUP || uMsg == WM_XBUTTONDOWN) ? (HIWORD(wParam) == XBUTTON1 ? 5 : 6) :
(uMsg == WM_MOUSEWHEEL) ? (GET_WHEEL_DELTA_WPARAM(wParam) < 0 ? 3 : 4) :
(uMsg == WM_MOUSEHWHEEL) ? (GET_WHEEL_DELTA_WPARAM(wParam) < 0 ? 7 : 8) :
0;
event.button.mod = GetModifiers();
win->win_callback(win, &event, win->userdata);
}
return 0;
case WM_MOUSEMOVE:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = GLWT_WINDOW_MOUSE_MOTION;
event.motion.x = GET_X_LPARAM(lParam);
event.motion.y = GET_Y_LPARAM(lParam);
event.motion.buttons =
(wParam & MK_LBUTTON ? (1 << 0) : 0) |
(wParam & MK_RBUTTON ? (1 << 1) : 0) |
(wParam & MK_MBUTTON ? (1 << 2) : 0) |
(wParam & MK_XBUTTON1 ? (1 << 5) : 0) |
(wParam & MK_XBUTTON2 ? (1 << 6) : 0);
win->win_callback(win, &event, win->userdata);
}
{
TRACKMOUSEEVENT tme;
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_QUERY;
tme.hwndTrack = hwnd;
TrackMouseEvent(&tme);
if(tme.dwFlags != TME_LEAVE)
{
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_HOVER|TME_LEAVE;
tme.hwndTrack = hwnd;
tme.dwHoverTime = 1;
TrackMouseEvent(&tme);
}
}
return 0;
case WM_SETFOCUS:
case WM_KILLFOCUS:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = uMsg == WM_SETFOCUS ? GLWT_WINDOW_FOCUS_IN : GLWT_WINDOW_FOCUS_OUT;
event.dummy.dummy = 0;
win->win_callback(win, &event, win->userdata);
}
return 0;
case WM_MOUSEHOVER:
case WM_MOUSELEAVE:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = (uMsg == WM_MOUSEHOVER ? GLWT_WINDOW_MOUSE_ENTER : GLWT_WINDOW_MOUSE_LEAVE);
event.dummy.dummy = 0;
win->win_callback(win, &event, win->userdata);
}
{
TRACKMOUSEEVENT tme;
tme.cbSize = sizeof(tme);
tme.dwFlags = uMsg == WM_MOUSEHOVER ? TME_LEAVE : TME_HOVER;
tme.hwndTrack = hwnd;
tme.dwHoverTime = 1;
TrackMouseEvent(&tme);
}
return 0;
case WM_SHOWWINDOW:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = (wParam == TRUE ? GLWT_WINDOW_SHOW : GLWT_WINDOW_HIDE);
event.dummy.dummy = 0;
win->win_callback(win, &event, win->userdata);
}
return 0;
case WM_SIZE:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = GLWT_WINDOW_RESIZE;
event.resize.width = LOWORD(lParam);
event.resize.height = HIWORD(lParam);
win->win_callback(win, &event, win->userdata);
}
return 0;
case WM_CLOSE:
win->closed = 1;
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = GLWT_WINDOW_CLOSE;
event.dummy.dummy = 0;
win->win_callback(win, &event, win->userdata);
}
return 0;
case WM_SYSCHAR:
case WM_CHAR:
if(win->win_callback)
{
GLWTWindowEvent event;
event.window = win;
event.type = GLWT_WINDOW_CHARACTER_INPUT;
event.character.unicode = utf16_decode((unsigned int)wParam);
win->win_callback(win, &event, win->userdata);
}
return 0;
default:
break;
}
}
