void _glfwPlatformPollEvents(void)
{
MSG msg;
_GLFWwindow* window;
while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
{
if (msg.message == WM_QUIT)
{
// Treat WM_QUIT as a close on all windows
// While GLFW does not itself post WM_QUIT, other processes may post
// it to this one, for example Task Manager
window = _glfw.windowListHead;
while (window)
{
_glfwInputWindowCloseRequest(window);
window = window->next;
}
}
else
{
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
}
window = _glfw.focusedWindow;
if (window)
{
// LSHIFT/RSHIFT fixup (keys tend to "stick" without this fix)
// This is the only async event handling in GLFW, but it solves some
// nasty problems
{
const int mods = getAsyncKeyMods();
// Get current state of left and right shift keys
const int lshiftDown = (GetAsyncKeyState(VK_LSHIFT) >> 15) & 1;
const int rshiftDown = (GetAsyncKeyState(VK_RSHIFT) >> 15) & 1;
// See if this differs from our belief of what has happened
// (we only have to check for lost key up events)
if (!lshiftDown && window->keys[GLFW_KEY_LEFT_SHIFT] == 1)
_glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, 0, GLFW_RELEASE, mods);
if (!rshiftDown && window->keys[GLFW_KEY_RIGHT_SHIFT] == 1)
_glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, 0, GLFW_RELEASE, mods);
}
// Did the cursor move in an focused window that has disabled the cursor
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
int width, height;
_glfwPlatformGetWindowSize(window, &width, &height);
_glfwPlatformSetCursorPos(window, width / 2, height / 2);
}
}
}
static void
handleEvents(int timeout)
{
struct wl_display* display = _glfw.wl.display;
struct pollfd fds[] = {
{ wl_display_get_fd(display), POLLIN },
};
while (wl_display_prepare_read(display) != 0)
wl_display_dispatch_pending(display);
// If an error different from EAGAIN happens, we have likely been
// disconnected from the Wayland session, try to handle that the best we
// can.
if (wl_display_flush(display) < 0 && errno != EAGAIN)
{
_GLFWwindow* window = _glfw.windowListHead;
while (window)
{
_glfwInputWindowCloseRequest(window);
window = window->next;
}
wl_display_cancel_read(display);
return;
}
if (poll(fds, 1, timeout) > 0)
{
wl_display_read_events(display);
wl_display_dispatch_pending(display);
}
else
{
wl_display_cancel_read(display);
}
}
// Window callback function (handles window events)
//
static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
WPARAM wParam, LPARAM lParam)
{
_GLFWwindow* window = (_GLFWwindow*) GetWindowLongPtrW(hWnd, 0);
switch (uMsg)
{
case WM_NCCREATE:
{
CREATESTRUCTW* cs = (CREATESTRUCTW*) lParam;
SetWindowLongPtrW(hWnd, 0, (LONG_PTR) cs->lpCreateParams);
break;
}
case WM_SETFOCUS:
{
if (window->cursorMode != GLFW_CURSOR_NORMAL)
_glfwPlatformApplyCursorMode(window);
if (window->monitor && window->autoIconify)
enterFullscreenMode(window);
_glfwInputWindowFocus(window, GL_TRUE);
return 0;
}
case WM_KILLFOCUS:
{
if (window->cursorMode != GLFW_CURSOR_NORMAL)
restoreCursor(window);
if (window->monitor && window->autoIconify)
{
_glfwPlatformIconifyWindow(window);
leaveFullscreenMode(window);
}
_glfwInputWindowFocus(window, GL_FALSE);
return 0;
}
case WM_SYSCOMMAND:
{
switch (wParam & 0xfff0)
{
case SC_SCREENSAVE:
case SC_MONITORPOWER:
{
if (window->monitor)
{
// We are running in full screen mode, so disallow
// screen saver and screen blanking
return 0;
}
else
break;
}
// User trying to access application menu using ALT?
case SC_KEYMENU:
return 0;
}
break;
}
case WM_CLOSE:
{
_glfwInputWindowCloseRequest(window);
return 0;
}
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
{
const int scancode = (lParam >> 16) & 0x1ff;
const int key = translateKey(wParam, lParam);
if (key == _GLFW_KEY_INVALID)
break;
_glfwInputKey(window, key, scancode, GLFW_PRESS, getKeyMods());
break;
}
case WM_CHAR:
{
_glfwInputChar(window, (unsigned int) wParam, getKeyMods(), GL_TRUE);
return 0;
}
case WM_SYSCHAR:
{
_glfwInputChar(window, (unsigned int) wParam, getKeyMods(), GL_FALSE);
return 0;
}
case WM_UNICHAR:
{
// This message is not sent by Windows, but is sent by some
// third-party input method engines
if (wParam == UNICODE_NOCHAR)
{
// Returning TRUE here announces support for this message
return TRUE;
}
_glfwInputChar(window, (unsigned int) wParam, getKeyMods(), GL_TRUE);
return FALSE;
}
case WM_KEYUP:
case WM_SYSKEYUP:
{
const int mods = getKeyMods();
const int scancode = (lParam >> 16) & 0x1ff;
const int key = translateKey(wParam, lParam);
if (key == _GLFW_KEY_INVALID)
break;
if (wParam == VK_SHIFT)
{
// Release both Shift keys on Shift up event, as only one event
// is sent even if both keys are released
_glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, scancode, GLFW_RELEASE, mods);
_glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, scancode, GLFW_RELEASE, mods);
}
else if (wParam == VK_SNAPSHOT)
{
// Key down is not reported for the print screen key
_glfwInputKey(window, key, scancode, GLFW_PRESS, mods);
_glfwInputKey(window, key, scancode, GLFW_RELEASE, mods);
}
else
_glfwInputKey(window, key, scancode, GLFW_RELEASE, mods);
break;
}
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_XBUTTONDOWN:
{
const int mods = getKeyMods();
SetCapture(hWnd);
if (uMsg == WM_LBUTTONDOWN)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS, mods);
else if (uMsg == WM_RBUTTONDOWN)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS, mods);
else if (uMsg == WM_MBUTTONDOWN)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS, mods);
else
{
if (HIWORD(wParam) == XBUTTON1)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_4, GLFW_PRESS, mods);
else if (HIWORD(wParam) == XBUTTON2)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_5, GLFW_PRESS, mods);
return TRUE;
}
return 0;
}
case WM_LBUTTONUP:
case WM_RBUTTONUP:
case WM_MBUTTONUP:
case WM_XBUTTONUP:
{
const int mods = getKeyMods();
ReleaseCapture();
if (uMsg == WM_LBUTTONUP)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_RELEASE, mods);
else if (uMsg == WM_RBUTTONUP)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_RELEASE, mods);
else if (uMsg == WM_MBUTTONUP)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_RELEASE, mods);
else
{
if (HIWORD(wParam) == XBUTTON1)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_4, GLFW_RELEASE, mods);
else if (HIWORD(wParam) == XBUTTON2)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_5, GLFW_RELEASE, mods);
return TRUE;
}
return 0;
}
case WM_MOUSEMOVE:
{
const int x = GET_X_LPARAM(lParam);
const int y = GET_Y_LPARAM(lParam);
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
if (_glfw.focusedWindow != window)
break;
_glfwInputCursorMotion(window,
x - window->win32.cursorPosX,
y - window->win32.cursorPosY);
}
else
_glfwInputCursorMotion(window, x, y);
window->win32.cursorPosX = x;
window->win32.cursorPosY = y;
if (!window->win32.cursorInside)
{
TRACKMOUSEEVENT tme;
ZeroMemory(&tme, sizeof(tme));
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_LEAVE;
tme.hwndTrack = window->win32.handle;
TrackMouseEvent(&tme);
window->win32.cursorInside = GL_TRUE;
_glfwInputCursorEnter(window, GL_TRUE);
}
return 0;
}
case WM_MOUSELEAVE:
{
window->win32.cursorInside = GL_FALSE;
_glfwInputCursorEnter(window, GL_FALSE);
return 0;
}
case WM_MOUSEWHEEL:
{
_glfwInputScroll(window, 0.0, (SHORT) HIWORD(wParam) / (double) WHEEL_DELTA);
return 0;
}
case WM_MOUSEHWHEEL:
{
// This message is only sent on Windows Vista and later
// NOTE: The X-axis is inverted for consistency with OS X and X11.
_glfwInputScroll(window, -((SHORT) HIWORD(wParam) / (double) WHEEL_DELTA), 0.0);
return 0;
}
case WM_SIZE:
{
if (_glfw.focusedWindow == window)
{
if (window->cursorMode == GLFW_CURSOR_DISABLED)
updateClipRect(window);
}
if (!window->win32.iconified && wParam == SIZE_MINIMIZED)
{
window->win32.iconified = GL_TRUE;
_glfwInputWindowIconify(window, GL_TRUE);
}
else if (window->win32.iconified &&
(wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED))
{
window->win32.iconified = GL_FALSE;
_glfwInputWindowIconify(window, GL_FALSE);
}
_glfwInputFramebufferSize(window, LOWORD(lParam), HIWORD(lParam));
_glfwInputWindowSize(window, LOWORD(lParam), HIWORD(lParam));
return 0;
}
case WM_MOVE:
{
if (_glfw.focusedWindow == window)
{
if (window->cursorMode == GLFW_CURSOR_DISABLED)
updateClipRect(window);
}
// NOTE: This cannot use LOWORD/HIWORD recommended by MSDN, as
// those macros do not handle negative window positions correctly
_glfwInputWindowPos(window,
GET_X_LPARAM(lParam),
GET_Y_LPARAM(lParam));
return 0;
}
case WM_PAINT:
{
_glfwInputWindowDamage(window);
break;
}
case WM_ERASEBKGND:
{
return TRUE;
}
case WM_SETCURSOR:
{
if (_glfw.focusedWindow == window && LOWORD(lParam) == HTCLIENT)
{
if (window->cursorMode == GLFW_CURSOR_HIDDEN ||
window->cursorMode == GLFW_CURSOR_DISABLED)
{
SetCursor(NULL);
return TRUE;
}
else if (window->cursor)
{
SetCursor(window->cursor->win32.handle);
return TRUE;
}
}
break;
}
case WM_DEVICECHANGE:
{
if (DBT_DEVNODES_CHANGED == wParam)
{
_glfwInputMonitorChange();
return TRUE;
}
break;
}
case WM_DWMCOMPOSITIONCHANGED:
{
if (_glfwIsCompositionEnabled())
{
_GLFWwindow* previous = _glfwPlatformGetCurrentContext();
_glfwPlatformMakeContextCurrent(window);
_glfwPlatformSwapInterval(0);
_glfwPlatformMakeContextCurrent(previous);
}
// TODO: Restore vsync if compositing was disabled
break;
}
case WM_DROPFILES:
{
HDROP hDrop = (HDROP) wParam;
POINT pt;
int i;
const int count = DragQueryFileW(hDrop, 0xffffffff, NULL, 0);
char** paths = calloc(count, sizeof(char*));
// Move the mouse to the position of the drop
DragQueryPoint(hDrop, &pt);
_glfwInputCursorMotion(window, pt.x, pt.y);
for (i = 0; i < count; i++)
{
const UINT length = DragQueryFileW(hDrop, i, NULL, 0);
WCHAR* buffer = calloc(length + 1, sizeof(WCHAR));
DragQueryFileW(hDrop, i, buffer, length + 1);
paths[i] = _glfwCreateUTF8FromWideString(buffer);
free(buffer);
}
_glfwInputDrop(window, count, (const char**) paths);
for (i = 0; i < count; i++)
free(paths[i]);
free(paths);
DragFinish(hDrop);
return 0;
}
}
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
static void processEvent(XEvent *event)
{
_GLFWwindow* window;
switch (event->type)
{
case KeyPress:
{
// A keyboard key was pressed
window = findWindow(event->xkey.window);
if (window == NULL)
return;
_glfwInputKey(window, translateKey(event->xkey.keycode), GLFW_PRESS);
_glfwInputChar(window, translateChar(&event->xkey));
break;
}
case KeyRelease:
{
// A keyboard key was released
window = findWindow(event->xkey.window);
if (window == NULL)
return;
// Do not report key releases for key repeats. For key repeats we
// will get KeyRelease/KeyPress pairs with similar or identical
// time stamps. User selected key repeat filtering is handled in
// _glfwInputKey/_glfwInputChar.
if (XEventsQueued(_glfwLibrary.X11.display, QueuedAfterReading))
{
XEvent nextEvent;
XPeekEvent(_glfwLibrary.X11.display, &nextEvent);
if (nextEvent.type == KeyPress &&
nextEvent.xkey.window == event->xkey.window &&
nextEvent.xkey.keycode == event->xkey.keycode)
{
// This last check is a hack to work around key repeats
// leaking through due to some sort of time drift
// Toshiyuki Takahashi can press a button 16 times per
// second so it's fairly safe to assume that no human is
// pressing the key 50 times per second (value is ms)
if ((nextEvent.xkey.time - event->xkey.time) < 20)
{
// Do not report anything for this event
break;
}
}
}
_glfwInputKey(window, translateKey(event->xkey.keycode), GLFW_RELEASE);
break;
}
case ButtonPress:
{
// A mouse button was pressed or a scrolling event occurred
window = findWindow(event->xbutton.window);
if (window == NULL)
return;
if (event->xbutton.button == Button1)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS);
else if (event->xbutton.button == Button2)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS);
else if (event->xbutton.button == Button3)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS);
// XFree86 3.3.2 and later translates mouse wheel up/down into
// mouse button 4 & 5 presses
else if (event->xbutton.button == Button4)
_glfwInputScroll(window, 0.0, 1.0);
else if (event->xbutton.button == Button5)
_glfwInputScroll(window, 0.0, -1.0);
else if (event->xbutton.button == Button6)
_glfwInputScroll(window, -1.0, 0.0);
else if (event->xbutton.button == Button7)
_glfwInputScroll(window, 1.0, 0.0);
break;
}
case ButtonRelease:
{
// A mouse button was released
window = findWindow(event->xbutton.window);
if (window == NULL)
return;
if (event->xbutton.button == Button1)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_LEFT,
GLFW_RELEASE);
}
else if (event->xbutton.button == Button2)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_MIDDLE,
GLFW_RELEASE);
}
else if (event->xbutton.button == Button3)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_RIGHT,
GLFW_RELEASE);
}
break;
}
case EnterNotify:
{
// The cursor entered the window
window = findWindow(event->xcrossing.window);
if (window == NULL)
return;
if (window->cursorMode == GLFW_CURSOR_HIDDEN)
hideCursor(window);
_glfwInputCursorEnter(window, GL_TRUE);
break;
}
case LeaveNotify:
{
// The cursor left the window
window = findWindow(event->xcrossing.window);
if (window == NULL)
return;
if (window->cursorMode == GLFW_CURSOR_HIDDEN)
showCursor(window);
_glfwInputCursorEnter(window, GL_FALSE);
break;
}
case MotionNotify:
{
// The cursor was moved
window = findWindow(event->xmotion.window);
if (window == NULL)
return;
if (event->xmotion.x != window->X11.cursorPosX ||
event->xmotion.y != window->X11.cursorPosY)
{
// The cursor was moved by something other than GLFW
int x, y;
if (window->cursorMode == GLFW_CURSOR_CAPTURED)
{
if (_glfwLibrary.activeWindow != window)
break;
x = event->xmotion.x - window->X11.cursorPosX;
y = event->xmotion.y - window->X11.cursorPosY;
}
else
{
x = event->xmotion.x;
y = event->xmotion.y;
}
window->X11.cursorPosX = event->xmotion.x;
window->X11.cursorPosY = event->xmotion.y;
window->X11.cursorCentered = GL_FALSE;
_glfwInputCursorMotion(window, x, y);
}
break;
}
case ConfigureNotify:
{
// The window configuration changed somehow
window = findWindow(event->xconfigure.window);
if (window == NULL)
return;
_glfwInputWindowSize(window,
event->xconfigure.width,
event->xconfigure.height);
_glfwInputWindowPos(window,
event->xconfigure.x,
event->xconfigure.y);
break;
}
case ClientMessage:
{
// Custom client message, probably from the window manager
window = findWindow(event->xclient.window);
if (window == NULL)
return;
if ((Atom) event->xclient.data.l[0] == _glfwLibrary.X11.wmDeleteWindow)
{
// The window manager was asked to close the window, for example by
// the user pressing a 'close' window decoration button
_glfwInputWindowCloseRequest(window);
}
else if (_glfwLibrary.X11.wmPing != None &&
(Atom) event->xclient.data.l[0] == _glfwLibrary.X11.wmPing)
{
// The window manager is pinging the application to ensure it's
// still responding to events
event->xclient.window = _glfwLibrary.X11.root;
XSendEvent(_glfwLibrary.X11.display,
event->xclient.window,
False,
SubstructureNotifyMask | SubstructureRedirectMask,
event);
}
break;
}
case MapNotify:
{
// The window was mapped
window = findWindow(event->xmap.window);
if (window == NULL)
return;
_glfwInputWindowVisibility(window, GL_TRUE);
_glfwInputWindowIconify(window, GL_FALSE);
break;
}
case UnmapNotify:
{
// The window was unmapped
window = findWindow(event->xmap.window);
if (window == NULL)
return;
_glfwInputWindowVisibility(window, GL_FALSE);
_glfwInputWindowIconify(window, GL_TRUE);
break;
}
case FocusIn:
{
// The window gained focus
window = findWindow(event->xfocus.window);
if (window == NULL)
return;
_glfwInputWindowFocus(window, GL_TRUE);
if (window->cursorMode == GLFW_CURSOR_CAPTURED)
captureCursor(window);
break;
}
case FocusOut:
{
// The window lost focus
window = findWindow(event->xfocus.window);
if (window == NULL)
return;
_glfwInputWindowFocus(window, GL_FALSE);
if (window->cursorMode == GLFW_CURSOR_CAPTURED)
showCursor(window);
break;
}
case Expose:
{
// The window's contents was damaged
window = findWindow(event->xexpose.window);
if (window == NULL)
return;
_glfwInputWindowDamage(window);
break;
}
case SelectionClear:
{
// The ownership of the selection was lost
free(_glfwLibrary.X11.selection.string);
_glfwLibrary.X11.selection.string = NULL;
break;
}
case SelectionNotify:
{
// The selection conversion status is available
XSelectionEvent* request = &event->xselection;
if (_glfwReadSelection(request))
_glfwLibrary.X11.selection.status = _GLFW_CONVERSION_SUCCEEDED;
else
_glfwLibrary.X11.selection.status = _GLFW_CONVERSION_FAILED;
break;
}
case SelectionRequest:
{
// The contents of the selection was requested
XSelectionRequestEvent* request = &event->xselectionrequest;
XEvent response;
memset(&response, 0, sizeof(response));
response.xselection.property = _glfwWriteSelection(request);
response.xselection.type = SelectionNotify;
response.xselection.display = request->display;
response.xselection.requestor = request->requestor;
response.xselection.selection = request->selection;
response.xselection.target = request->target;
response.xselection.time = request->time;
XSendEvent(_glfwLibrary.X11.display,
request->requestor,
False, 0, &response);
break;
}
case DestroyNotify:
return;
default:
{
#if defined(_GLFW_HAS_XRANDR)
switch (event->type - _glfwLibrary.X11.RandR.eventBase)
{
case RRScreenChangeNotify:
{
XRRUpdateConfiguration(event);
break;
}
}
#endif /*_GLFW_HAS_XRANDR*/
break;
}
}
}
// Process the specified X event
//
static void processEvent(XEvent *event)
{
_GLFWwindow* window = NULL;
if (event->type != GenericEvent)
{
window = _glfwFindWindowByHandle(event->xany.window);
if (window == NULL)
{
// This is either an event for a destroyed GLFW window or an event
// of a type not currently supported by GLFW
return;
}
}
switch (event->type)
{
case KeyPress:
{
_glfwInputKey(window, translateKey(event->xkey.keycode), GLFW_PRESS);
if (!(event->xkey.state & ControlMask) &&
!(event->xkey.state & Mod1Mask /*Alt*/))
{
_glfwInputChar(window, translateChar(&event->xkey));
}
break;
}
case KeyRelease:
{
_glfwInputKey(window, translateKey(event->xkey.keycode), GLFW_RELEASE);
break;
}
case ButtonPress:
{
if (event->xbutton.button == Button1)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS);
else if (event->xbutton.button == Button2)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS);
else if (event->xbutton.button == Button3)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS);
// Modern X provides scroll events as mouse button presses
else if (event->xbutton.button == Button4)
_glfwInputScroll(window, 0.0, 1.0);
else if (event->xbutton.button == Button5)
_glfwInputScroll(window, 0.0, -1.0);
else if (event->xbutton.button == Button6)
_glfwInputScroll(window, -1.0, 0.0);
else if (event->xbutton.button == Button7)
_glfwInputScroll(window, 1.0, 0.0);
break;
}
case ButtonRelease:
{
if (event->xbutton.button == Button1)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_LEFT,
GLFW_RELEASE);
}
else if (event->xbutton.button == Button2)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_MIDDLE,
GLFW_RELEASE);
}
else if (event->xbutton.button == Button3)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_RIGHT,
GLFW_RELEASE);
}
break;
}
case EnterNotify:
{
if (window->cursorMode == GLFW_CURSOR_HIDDEN)
hideCursor(window);
_glfwInputCursorEnter(window, GL_TRUE);
break;
}
case LeaveNotify:
{
if (window->cursorMode == GLFW_CURSOR_HIDDEN)
showCursor(window);
_glfwInputCursorEnter(window, GL_FALSE);
break;
}
case MotionNotify:
{
if (event->xmotion.x != window->x11.cursorPosX ||
event->xmotion.y != window->x11.cursorPosY)
{
// The cursor was moved by something other than GLFW
int x, y;
if (window->cursorMode == GLFW_CURSOR_CAPTURED)
{
if (_glfw.focusedWindow != window)
break;
x = event->xmotion.x - window->x11.cursorPosX;
y = event->xmotion.y - window->x11.cursorPosY;
}
else
{
x = event->xmotion.x;
y = event->xmotion.y;
}
window->x11.cursorPosX = event->xmotion.x;
window->x11.cursorPosY = event->xmotion.y;
window->x11.cursorCentered = GL_FALSE;
_glfwInputCursorMotion(window, x, y);
}
break;
}
case ConfigureNotify:
{
_glfwInputWindowSize(window,
event->xconfigure.width,
event->xconfigure.height);
_glfwInputWindowPos(window,
event->xconfigure.x,
event->xconfigure.y);
break;
}
case ClientMessage:
{
// Custom client message, probably from the window manager
if ((Atom) event->xclient.data.l[0] == _glfw.x11.WM_DELETE_WINDOW)
{
// The window manager was asked to close the window, for example by
// the user pressing a 'close' window decoration button
_glfwInputWindowCloseRequest(window);
}
else if (_glfw.x11.NET_WM_PING != None &&
(Atom) event->xclient.data.l[0] == _glfw.x11.NET_WM_PING)
{
// The window manager is pinging the application to ensure it's
// still responding to events
event->xclient.window = _glfw.x11.root;
XSendEvent(_glfw.x11.display,
event->xclient.window,
False,
SubstructureNotifyMask | SubstructureRedirectMask,
event);
}
break;
}
case MapNotify:
{
_glfwInputWindowVisibility(window, GL_TRUE);
break;
}
case UnmapNotify:
{
_glfwInputWindowVisibility(window, GL_FALSE);
break;
}
case FocusIn:
{
_glfwInputWindowFocus(window, GL_TRUE);
if (window->cursorMode == GLFW_CURSOR_CAPTURED)
captureCursor(window);
break;
}
case FocusOut:
{
_glfwInputWindowFocus(window, GL_FALSE);
if (window->cursorMode == GLFW_CURSOR_CAPTURED)
showCursor(window);
break;
}
case Expose:
{
_glfwInputWindowDamage(window);
break;
}
case PropertyNotify:
{
if (event->xproperty.atom == _glfw.x11.WM_STATE &&
event->xproperty.state == PropertyNewValue)
{
struct {
CARD32 state;
Window icon;
} *state = NULL;
if (_glfwGetWindowProperty(window->x11.handle,
_glfw.x11.WM_STATE,
_glfw.x11.WM_STATE,
(unsigned char**) &state) >= 2)
{
if (state->state == IconicState)
_glfwInputWindowIconify(window, GL_TRUE);
else if (state->state == NormalState)
_glfwInputWindowIconify(window, GL_FALSE);
}
XFree(state);
}
break;
}
case SelectionClear:
{
// The ownership of the clipboard selection was lost
free(_glfw.x11.selection.string);
_glfw.x11.selection.string = NULL;
break;
}
case SelectionRequest:
{
// The contents of the clipboard selection was requested
XSelectionRequestEvent* request = &event->xselectionrequest;
XEvent response;
memset(&response, 0, sizeof(response));
response.xselection.property = _glfwWriteSelection(request);
response.xselection.type = SelectionNotify;
response.xselection.display = request->display;
response.xselection.requestor = request->requestor;
response.xselection.selection = request->selection;
response.xselection.target = request->target;
response.xselection.time = request->time;
XSendEvent(_glfw.x11.display,
request->requestor,
False, 0, &response);
break;
}
case DestroyNotify:
return;
case GenericEvent:
{
if (event->xcookie.extension == _glfw.x11.xi2.majorOpcode &&
XGetEventData(_glfw.x11.display, &event->xcookie))
{
if (event->xcookie.evtype == XI_Motion)
{
XIDeviceEvent* data = (XIDeviceEvent*) event->xcookie.data;
window = _glfwFindWindowByHandle(data->event);
if (window)
{
if (data->event_x != window->x11.cursorPosX ||
data->event_y != window->x11.cursorPosY)
{
// The cursor was moved by something other than GLFW
double x, y;
if (window->cursorMode == GLFW_CURSOR_CAPTURED)
{
if (_glfw.focusedWindow != window)
break;
x = data->event_x - window->x11.cursorPosX;
y = data->event_y - window->x11.cursorPosY;
}
else
{
x = data->event_x;
y = data->event_y;
}
window->x11.cursorPosX = data->event_x;
window->x11.cursorPosY = data->event_y;
window->x11.cursorCentered = GL_FALSE;
_glfwInputCursorMotion(window, x, y);
}
}
}
}
XFreeEventData(_glfw.x11.display, &event->xcookie);
break;
}
default:
{
switch (event->type - _glfw.x11.randr.eventBase)
{
case RRScreenChangeNotify:
{
XRRUpdateConfiguration(event);
break;
}
}
break;
}
}
}
// Process the specified X event
//
static void processEvent(XEvent *event)
{
_GLFWwindow* window = NULL;
if (event->type != GenericEvent)
{
window = _glfwFindWindowByHandle(event->xany.window);
if (window == NULL)
{
// This is an event for a window that has already been destroyed
return;
}
}
switch (event->type)
{
case KeyPress:
{
const int key = translateKey(event->xkey.keycode);
const int mods = translateState(event->xkey.state);
const int character = translateChar(&event->xkey);
_glfwInputKey(window, key, event->xkey.keycode, GLFW_PRESS, mods);
if (character != -1)
_glfwInputChar(window, character);
break;
}
case KeyRelease:
{
const int key = translateKey(event->xkey.keycode);
const int mods = translateState(event->xkey.state);
_glfwInputKey(window, key, event->xkey.keycode, GLFW_RELEASE, mods);
break;
}
case ButtonPress:
{
const int mods = translateState(event->xbutton.state);
if (event->xbutton.button == Button1)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS, mods);
else if (event->xbutton.button == Button2)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS, mods);
else if (event->xbutton.button == Button3)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS, mods);
// Modern X provides scroll events as mouse button presses
else if (event->xbutton.button == Button4)
_glfwInputScroll(window, 0.0, 1.0);
else if (event->xbutton.button == Button5)
_glfwInputScroll(window, 0.0, -1.0);
else if (event->xbutton.button == Button6)
_glfwInputScroll(window, -1.0, 0.0);
else if (event->xbutton.button == Button7)
_glfwInputScroll(window, 1.0, 0.0);
else
{
// Additional buttons after 7 are treated as regular buttons
// We subtract 4 to fill the gap left by scroll input above
_glfwInputMouseClick(window,
event->xbutton.button - 4,
GLFW_PRESS,
mods);
}
break;
}
case ButtonRelease:
{
const int mods = translateState(event->xbutton.state);
if (event->xbutton.button == Button1)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_LEFT,
GLFW_RELEASE,
mods);
}
else if (event->xbutton.button == Button2)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_MIDDLE,
GLFW_RELEASE,
mods);
}
else if (event->xbutton.button == Button3)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_RIGHT,
GLFW_RELEASE,
mods);
}
else if (event->xbutton.button > Button7)
{
// Additional buttons after 7 are treated as regular buttons
// We subtract 4 to fill the gap left by scroll input above
_glfwInputMouseClick(window,
event->xbutton.button - 4,
GLFW_RELEASE,
mods);
}
break;
}
case EnterNotify:
{
_glfwInputCursorEnter(window, GL_TRUE);
break;
}
case LeaveNotify:
{
_glfwInputCursorEnter(window, GL_FALSE);
break;
}
case MotionNotify:
{
if (event->xmotion.x != window->x11.warpPosX ||
event->xmotion.y != window->x11.warpPosY)
{
// The cursor was moved by something other than GLFW
int x, y;
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
if (_glfw.focusedWindow != window)
break;
x = event->xmotion.x - window->x11.cursorPosX;
y = event->xmotion.y - window->x11.cursorPosY;
}
else
{
x = event->xmotion.x;
y = event->xmotion.y;
}
_glfwInputCursorMotion(window, x, y);
}
window->x11.cursorPosX = event->xmotion.x;
window->x11.cursorPosY = event->xmotion.y;
break;
}
case ConfigureNotify:
{
if (event->xconfigure.width != window->x11.width ||
event->xconfigure.height != window->x11.height)
{
_glfwInputFramebufferSize(window,
event->xconfigure.width,
event->xconfigure.height);
_glfwInputWindowSize(window,
event->xconfigure.width,
event->xconfigure.height);
window->x11.width = event->xconfigure.width;
window->x11.height = event->xconfigure.height;
}
if (event->xconfigure.x != window->x11.xpos ||
event->xconfigure.y != window->x11.ypos)
{
_glfwInputWindowPos(window,
event->xconfigure.x,
event->xconfigure.y);
window->x11.xpos = event->xconfigure.x;
window->x11.ypos = event->xconfigure.y;
}
break;
}
case ClientMessage:
{
// Custom client message, probably from the window manager
if ((Atom) event->xclient.data.l[0] == _glfw.x11.WM_DELETE_WINDOW)
{
// The window manager was asked to close the window, for example by
// the user pressing a 'close' window decoration button
_glfwInputWindowCloseRequest(window);
}
else if (_glfw.x11.NET_WM_PING &&
(Atom) event->xclient.data.l[0] == _glfw.x11.NET_WM_PING)
{
// The window manager is pinging the application to ensure it's
// still responding to events
event->xclient.window = _glfw.x11.root;
XSendEvent(_glfw.x11.display,
event->xclient.window,
False,
SubstructureNotifyMask | SubstructureRedirectMask,
event);
}
else if (event->xclient.message_type == _glfw.x11.XdndEnter)
{
// A drag operation has entered the window
// TODO: Check if UTF-8 string is supported by the source
}
else if (event->xclient.message_type == _glfw.x11.XdndDrop)
{
// The drag operation has finished dropping on
// the window, ask to convert it to a UTF-8 string
_glfw.x11.xdnd.source = event->xclient.data.l[0];
XConvertSelection(_glfw.x11.display,
_glfw.x11.XdndSelection,
_glfw.x11.UTF8_STRING,
_glfw.x11.XdndSelection,
window->x11.handle, CurrentTime);
}
else if (event->xclient.message_type == _glfw.x11.XdndPosition)
{
// The drag operation has moved over the window
const int absX = (event->xclient.data.l[2] >> 16) & 0xFFFF;
const int absY = (event->xclient.data.l[2]) & 0xFFFF;
int x, y;
_glfwPlatformGetWindowPos(window, &x, &y);
_glfwInputCursorMotion(window, absX - x, absY - y);
// Reply that we are ready to copy the dragged data
XEvent reply;
memset(&reply, 0, sizeof(reply));
reply.type = ClientMessage;
reply.xclient.window = event->xclient.data.l[0];
reply.xclient.message_type = _glfw.x11.XdndStatus;
reply.xclient.format = 32;
reply.xclient.data.l[0] = window->x11.handle;
reply.xclient.data.l[1] = 1; // Always accept the dnd with no rectangle
reply.xclient.data.l[2] = 0; // Specify an empty rectangle
reply.xclient.data.l[3] = 0;
reply.xclient.data.l[4] = _glfw.x11.XdndActionCopy;
XSendEvent(_glfw.x11.display, event->xclient.data.l[0],
False, NoEventMask, &reply);
XFlush(_glfw.x11.display);
}
break;
}
case SelectionNotify:
{
if (event->xselection.property)
{
// The converted data from the drag operation has arrived
char* data;
const int result = _glfwGetWindowProperty(event->xselection.requestor,
event->xselection.property,
event->xselection.target,
(unsigned char**) &data);
if (result)
{
int i, count;
char** names = splitUriList(data, &count);
_glfwInputDrop(window, count, (const char**) names);
for (i = 0; i < count; i++)
free(names[i]);
free(names);
}
XFree(data);
XEvent reply;
memset(&reply, 0, sizeof(reply));
reply.type = ClientMessage;
reply.xclient.window = _glfw.x11.xdnd.source;
reply.xclient.message_type = _glfw.x11.XdndFinished;
reply.xclient.format = 32;
reply.xclient.data.l[0] = window->x11.handle;
reply.xclient.data.l[1] = result;
reply.xclient.data.l[2] = _glfw.x11.XdndActionCopy;
// Reply that all is well
XSendEvent(_glfw.x11.display, _glfw.x11.xdnd.source,
False, NoEventMask, &reply);
XFlush(_glfw.x11.display);
}
break;
}
case MapNotify:
{
_glfwInputWindowVisibility(window, GL_TRUE);
break;
}
case UnmapNotify:
{
_glfwInputWindowVisibility(window, GL_FALSE);
break;
}
case FocusIn:
{
_glfwInputWindowFocus(window, GL_TRUE);
if (window->cursorMode == GLFW_CURSOR_DISABLED)
disableCursor(window);
break;
}
case FocusOut:
{
_glfwInputWindowFocus(window, GL_FALSE);
if (window->cursorMode == GLFW_CURSOR_DISABLED)
restoreCursor(window);
break;
}
case Expose:
{
_glfwInputWindowDamage(window);
break;
}
case PropertyNotify:
{
if (event->xproperty.atom == _glfw.x11.WM_STATE &&
event->xproperty.state == PropertyNewValue)
{
struct {
CARD32 state;
Window icon;
} *state = NULL;
if (_glfwGetWindowProperty(window->x11.handle,
_glfw.x11.WM_STATE,
_glfw.x11.WM_STATE,
(unsigned char**) &state) >= 2)
{
if (state->state == IconicState)
_glfwInputWindowIconify(window, GL_TRUE);
else if (state->state == NormalState)
_glfwInputWindowIconify(window, GL_FALSE);
}
XFree(state);
}
break;
}
case SelectionClear:
{
_glfwHandleSelectionClear(event);
break;
}
case SelectionRequest:
{
_glfwHandleSelectionRequest(event);
break;
}
case DestroyNotify:
return;
case GenericEvent:
{
if (event->xcookie.extension == _glfw.x11.xi.majorOpcode &&
XGetEventData(_glfw.x11.display, &event->xcookie))
{
if (event->xcookie.evtype == XI_Motion)
{
XIDeviceEvent* data = (XIDeviceEvent*) event->xcookie.data;
window = _glfwFindWindowByHandle(data->event);
if (window)
{
if (data->event_x != window->x11.warpPosX ||
data->event_y != window->x11.warpPosY)
{
// The cursor was moved by something other than GLFW
double x, y;
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
if (_glfw.focusedWindow != window)
break;
x = data->event_x - window->x11.cursorPosX;
y = data->event_y - window->x11.cursorPosY;
}
else
{
x = data->event_x;
y = data->event_y;
}
_glfwInputCursorMotion(window, x, y);
}
window->x11.cursorPosX = data->event_x;
window->x11.cursorPosY = data->event_y;
}
}
}
XFreeEventData(_glfw.x11.display, &event->xcookie);
break;
}
default:
{
switch (event->type - _glfw.x11.randr.eventBase)
{
case RRScreenChangeNotify:
{
XRRUpdateConfiguration(event);
break;
}
}
break;
}
}
}
// Process the specified X event
//
static void processEvent(XEvent *event)
{
_GLFWwindow* window = NULL;
if (event->type != GenericEvent)
{
window = _glfwFindWindowByHandle(event->xany.window);
if (window == NULL)
{
// This is an event for a window that has already been destroyed
return;
}
}
switch (event->type)
{
case KeyPress:
{
const int key = translateKey(event->xkey.keycode);
const int mods = translateState(event->xkey.state);
const int character = translateChar(&event->xkey);
_glfwInputKey(window, key, event->xkey.keycode, GLFW_PRESS, mods);
if (character != -1)
_glfwInputChar(window, character);
break;
}
case KeyRelease:
{
const int key = translateKey(event->xkey.keycode);
const int mods = translateState(event->xkey.state);
_glfwInputKey(window, key, event->xkey.keycode, GLFW_RELEASE, mods);
break;
}
case ButtonPress:
{
const int mods = translateState(event->xbutton.state);
if (event->xbutton.button == Button1)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS, mods);
else if (event->xbutton.button == Button2)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS, mods);
else if (event->xbutton.button == Button3)
_glfwInputMouseClick(window, GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS, mods);
// Modern X provides scroll events as mouse button presses
else if (event->xbutton.button == Button4)
_glfwInputScroll(window, 0.0, 1.0);
else if (event->xbutton.button == Button5)
_glfwInputScroll(window, 0.0, -1.0);
else if (event->xbutton.button == Button6)
_glfwInputScroll(window, -1.0, 0.0);
else if (event->xbutton.button == Button7)
_glfwInputScroll(window, 1.0, 0.0);
break;
}
case ButtonRelease:
{
const int mods = translateState(event->xbutton.state);
if (event->xbutton.button == Button1)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_LEFT,
GLFW_RELEASE,
mods);
}
else if (event->xbutton.button == Button2)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_MIDDLE,
GLFW_RELEASE,
mods);
}
else if (event->xbutton.button == Button3)
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_RIGHT,
GLFW_RELEASE,
mods);
}
break;
}
case EnterNotify:
{
if (window->cursorMode == GLFW_CURSOR_HIDDEN)
hideCursor(window);
_glfwInputCursorEnter(window, GL_TRUE);
break;
}
case LeaveNotify:
{
if (window->cursorMode == GLFW_CURSOR_HIDDEN)
showCursor(window);
_glfwInputCursorEnter(window, GL_FALSE);
break;
}
case MotionNotify:
{
if (event->xmotion.x != window->x11.warpPosX ||
event->xmotion.y != window->x11.warpPosY)
{
// The cursor was moved by something other than GLFW
int x, y;
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
if (_glfw.focusedWindow != window)
break;
x = event->xmotion.x - window->x11.cursorPosX;
y = event->xmotion.y - window->x11.cursorPosY;
}
else
{
x = event->xmotion.x;
y = event->xmotion.y;
}
_glfwInputCursorMotion(window, x, y);
}
window->x11.cursorPosX = event->xmotion.x;
window->x11.cursorPosY = event->xmotion.y;
break;
}
case ConfigureNotify:
{
if (event->xconfigure.width != window->x11.width ||
event->xconfigure.height != window->x11.height)
{
_glfwInputFramebufferSize(window,
event->xconfigure.width,
event->xconfigure.height);
_glfwInputWindowSize(window,
event->xconfigure.width,
event->xconfigure.height);
window->x11.width = event->xconfigure.width;
window->x11.height = event->xconfigure.height;
}
if (event->xconfigure.x != window->x11.xpos ||
event->xconfigure.y != window->x11.ypos)
{
_glfwInputWindowPos(window,
event->xconfigure.x,
event->xconfigure.y);
window->x11.xpos = event->xconfigure.x;
window->x11.ypos = event->xconfigure.y;
}
break;
}
case ClientMessage:
{
// Custom client message, probably from the window manager
if ((Atom) event->xclient.data.l[0] == _glfw.x11.WM_DELETE_WINDOW)
{
// The window manager was asked to close the window, for example by
// the user pressing a 'close' window decoration button
_glfwInputWindowCloseRequest(window);
}
else if (_glfw.x11.NET_WM_PING != None &&
(Atom) event->xclient.data.l[0] == _glfw.x11.NET_WM_PING)
{
// The window manager is pinging the application to ensure it's
// still responding to events
event->xclient.window = _glfw.x11.root;
XSendEvent(_glfw.x11.display,
event->xclient.window,
False,
SubstructureNotifyMask | SubstructureRedirectMask,
event);
}
break;
}
case MapNotify:
{
_glfwInputWindowVisibility(window, GL_TRUE);
break;
}
case UnmapNotify:
{
_glfwInputWindowVisibility(window, GL_FALSE);
break;
}
case FocusIn:
{
_glfwInputWindowFocus(window, GL_TRUE);
if (window->cursorMode == GLFW_CURSOR_DISABLED)
captureCursor(window);
break;
}
case FocusOut:
{
_glfwInputWindowFocus(window, GL_FALSE);
if (window->cursorMode == GLFW_CURSOR_DISABLED)
showCursor(window);
break;
}
case Expose:
{
_glfwInputWindowDamage(window);
break;
}
case PropertyNotify:
{
if (event->xproperty.atom == _glfw.x11.WM_STATE &&
event->xproperty.state == PropertyNewValue)
{
struct {
CARD32 state;
Window icon;
} *state = NULL;
if (_glfwGetWindowProperty(window->x11.handle,
_glfw.x11.WM_STATE,
_glfw.x11.WM_STATE,
(unsigned char**) &state) >= 2)
{
if (state->state == IconicState)
_glfwInputWindowIconify(window, GL_TRUE);
else if (state->state == NormalState)
_glfwInputWindowIconify(window, GL_FALSE);
}
XFree(state);
}
break;
}
case SelectionClear:
{
_glfwHandleSelectionClear(event);
break;
}
case SelectionRequest:
{
_glfwHandleSelectionRequest(event);
break;
}
case DestroyNotify:
return;
case GenericEvent:
{
if (event->xcookie.extension == _glfw.x11.xi.majorOpcode &&
XGetEventData(_glfw.x11.display, &event->xcookie))
{
/* if (event->xcookie.evtype == XI_Motion)
{
XIDeviceEvent* data = (XIDeviceEvent*) event->xcookie.data;
window = _glfwFindWindowByHandle(data->event);
if (window)
{
if (data->event_x != window->x11.warpPosX ||
data->event_y != window->x11.warpPosY)
{
// The cursor was moved by something other than GLFW
double x, y;
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
if (_glfw.focusedWindow != window)
break;
x = data->event_x - window->x11.cursorPosX;
y = data->event_y - window->x11.cursorPosY;
}
else
{
x = data->event_x;
y = data->event_y;
}
_glfwInputCursorMotion(window, x, y);
}
window->x11.cursorPosX = data->event_x;
window->x11.cursorPosY = data->event_y;
}
}*/
}
XFreeEventData(_glfw.x11.display, &event->xcookie);
break;
}
default:
{
/* switch (event->type - _glfw.x11.randr.eventBase)
{
case RRScreenChangeNotify:
{
XRRUpdateConfiguration(event);
break;
}
}
*/
break;
}
}
}
// Window callback function (handles window messages)
//
static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
WPARAM wParam, LPARAM lParam)
{
_GLFWwindow* window = (_GLFWwindow*) GetWindowLongPtrW(hWnd, 0);
if (!window)
{
switch (uMsg)
{
case WM_NCCREATE:
{
CREATESTRUCTW* cs = (CREATESTRUCTW*) lParam;
SetWindowLongPtrW(hWnd, 0, (LONG_PTR) cs->lpCreateParams);
break;
}
case WM_DEVICECHANGE:
{
if (wParam == DBT_DEVNODES_CHANGED)
{
_glfwInputMonitorChange();
return TRUE;
}
break;
}
}
return DefWindowProcW(hWnd, uMsg, wParam, lParam);
}
switch (uMsg)
{
case WM_SETFOCUS:
{
if (window->cursorMode == GLFW_CURSOR_DISABLED)
_glfwPlatformSetCursorMode(window, GLFW_CURSOR_DISABLED);
_glfwInputWindowFocus(window, GLFW_TRUE);
return 0;
}
case WM_KILLFOCUS:
{
if (window->cursorMode == GLFW_CURSOR_DISABLED)
_glfwPlatformSetCursorMode(window, GLFW_CURSOR_NORMAL);
if (window->monitor && window->autoIconify)
_glfwPlatformIconifyWindow(window);
_glfwInputWindowFocus(window, GLFW_FALSE);
return 0;
}
case WM_SYSCOMMAND:
{
switch (wParam & 0xfff0)
{
case SC_SCREENSAVE:
case SC_MONITORPOWER:
{
if (window->monitor)
{
// We are running in full screen mode, so disallow
// screen saver and screen blanking
return 0;
}
else
break;
}
// User trying to access application menu using ALT?
case SC_KEYMENU:
return 0;
}
break;
}
case WM_CLOSE:
{
_glfwInputWindowCloseRequest(window);
return 0;
}
case WM_CHAR:
case WM_SYSCHAR:
case WM_UNICHAR:
{
const GLFWbool plain = (uMsg != WM_SYSCHAR);
if (uMsg == WM_UNICHAR && wParam == UNICODE_NOCHAR)
{
// WM_UNICHAR is not sent by Windows, but is sent by some
// third-party input method engine
// Returning TRUE here announces support for this message
return TRUE;
}
_glfwInputChar(window, (unsigned int) wParam, getKeyMods(), plain);
return 0;
}
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
case WM_KEYUP:
case WM_SYSKEYUP:
{
const int key = translateKey(wParam, lParam);
const int scancode = (lParam >> 16) & 0x1ff;
const int action = ((lParam >> 31) & 1) ? GLFW_RELEASE : GLFW_PRESS;
const int mods = getKeyMods();
if (key == _GLFW_KEY_INVALID)
break;
if (action == GLFW_RELEASE && wParam == VK_SHIFT)
{
// Release both Shift keys on Shift up event, as only one event
// is sent even if both keys are released
_glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, scancode, action, mods);
_glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, scancode, action, mods);
}
else if (wParam == VK_SNAPSHOT)
{
// Key down is not reported for the Print Screen key
_glfwInputKey(window, key, scancode, GLFW_PRESS, mods);
_glfwInputKey(window, key, scancode, GLFW_RELEASE, mods);
}
else
_glfwInputKey(window, key, scancode, action, mods);
break;
}
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_XBUTTONDOWN:
case WM_LBUTTONUP:
case WM_RBUTTONUP:
case WM_MBUTTONUP:
case WM_XBUTTONUP:
{
int button, action;
if (uMsg == WM_LBUTTONDOWN || uMsg == WM_LBUTTONUP)
button = GLFW_MOUSE_BUTTON_LEFT;
else if (uMsg == WM_RBUTTONDOWN || uMsg == WM_RBUTTONUP)
button = GLFW_MOUSE_BUTTON_RIGHT;
else if (uMsg == WM_MBUTTONDOWN || uMsg == WM_MBUTTONUP)
button = GLFW_MOUSE_BUTTON_MIDDLE;
else if (GET_XBUTTON_WPARAM(wParam) == XBUTTON1)
button = GLFW_MOUSE_BUTTON_4;
else
button = GLFW_MOUSE_BUTTON_5;
if (uMsg == WM_LBUTTONDOWN || uMsg == WM_RBUTTONDOWN ||
uMsg == WM_MBUTTONDOWN || uMsg == WM_XBUTTONDOWN)
{
action = GLFW_PRESS;
SetCapture(hWnd);
}
else
{
action = GLFW_RELEASE;
ReleaseCapture();
}
_glfwInputMouseClick(window, button, action, getKeyMods());
if (uMsg == WM_XBUTTONDOWN || uMsg == WM_XBUTTONUP)
return TRUE;
return 0;
}
case WM_MOUSEMOVE:
{
const int x = GET_X_LPARAM(lParam);
const int y = GET_Y_LPARAM(lParam);
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
if (_glfw.cursorWindow != window)
break;
_glfwInputCursorMotion(window,
x - window->win32.cursorPosX,
y - window->win32.cursorPosY);
}
else
_glfwInputCursorMotion(window, x, y);
window->win32.cursorPosX = x;
window->win32.cursorPosY = y;
if (!window->win32.cursorTracked)
{
TRACKMOUSEEVENT tme;
ZeroMemory(&tme, sizeof(tme));
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_LEAVE;
tme.hwndTrack = window->win32.handle;
TrackMouseEvent(&tme);
window->win32.cursorTracked = GLFW_TRUE;
_glfwInputCursorEnter(window, GLFW_TRUE);
}
return 0;
}
case WM_MOUSELEAVE:
{
window->win32.cursorTracked = GLFW_FALSE;
_glfwInputCursorEnter(window, GLFW_FALSE);
return 0;
}
case WM_MOUSEWHEEL:
{
_glfwInputScroll(window, 0.0, (SHORT) HIWORD(wParam) / (double) WHEEL_DELTA);
return 0;
}
case WM_MOUSEHWHEEL:
{
// This message is only sent on Windows Vista and later
// NOTE: The X-axis is inverted for consistency with OS X and X11.
_glfwInputScroll(window, -((SHORT) HIWORD(wParam) / (double) WHEEL_DELTA), 0.0);
return 0;
}
case WM_SIZE:
{
if (_glfw.cursorWindow == window)
{
if (window->cursorMode == GLFW_CURSOR_DISABLED)
updateClipRect(window);
}
if (!window->win32.iconified && wParam == SIZE_MINIMIZED)
{
window->win32.iconified = GLFW_TRUE;
if (window->monitor)
leaveFullscreenMode(window);
_glfwInputWindowIconify(window, GLFW_TRUE);
}
else if (window->win32.iconified &&
(wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED))
{
window->win32.iconified = GLFW_FALSE;
if (window->monitor)
enterFullscreenMode(window);
_glfwInputWindowIconify(window, GLFW_FALSE);
}
_glfwInputFramebufferSize(window, LOWORD(lParam), HIWORD(lParam));
_glfwInputWindowSize(window, LOWORD(lParam), HIWORD(lParam));
return 0;
}
case WM_MOVE:
{
if (_glfw.cursorWindow == window)
{
if (window->cursorMode == GLFW_CURSOR_DISABLED)
updateClipRect(window);
}
// NOTE: This cannot use LOWORD/HIWORD recommended by MSDN, as
// those macros do not handle negative window positions correctly
_glfwInputWindowPos(window,
GET_X_LPARAM(lParam),
GET_Y_LPARAM(lParam));
return 0;
}
case WM_SIZING:
{
if (window->win32.numer == GLFW_DONT_CARE ||
window->win32.denom == GLFW_DONT_CARE)
{
break;
}
applyAspectRatio(window, (int) wParam, (RECT*) lParam);
return TRUE;
}
case WM_GETMINMAXINFO:
{
int xoff, yoff;
MINMAXINFO* mmi = (MINMAXINFO*) lParam;
getFullWindowSize(getWindowStyle(window), getWindowExStyle(window),
0, 0, &xoff, &yoff);
if (window->win32.minwidth != GLFW_DONT_CARE &&
window->win32.minheight != GLFW_DONT_CARE)
{
mmi->ptMinTrackSize.x = window->win32.minwidth + xoff;
mmi->ptMinTrackSize.y = window->win32.minheight + yoff;
}
if (window->win32.maxwidth != GLFW_DONT_CARE &&
window->win32.maxheight != GLFW_DONT_CARE)
{
mmi->ptMaxTrackSize.x = window->win32.maxwidth + xoff;
mmi->ptMaxTrackSize.y = window->win32.maxheight + yoff;
}
return 0;
}
case WM_PAINT:
{
_glfwInputWindowDamage(window);
break;
}
case WM_ERASEBKGND:
{
return TRUE;
}
case WM_SETCURSOR:
{
if (_glfw.cursorWindow == window && LOWORD(lParam) == HTCLIENT)
{
if (window->cursorMode == GLFW_CURSOR_HIDDEN ||
window->cursorMode == GLFW_CURSOR_DISABLED)
{
SetCursor(NULL);
return TRUE;
}
else if (window->cursor)
{
SetCursor(window->cursor->win32.handle);
return TRUE;
}
}
break;
}
case WM_DPICHANGED:
{
RECT* rect = (RECT*) lParam;
SetWindowPos(window->win32.handle,
HWND_TOP,
rect->left,
rect->top,
rect->right - rect->left,
rect->bottom - rect->top,
SWP_NOACTIVATE | SWP_NOZORDER);
break;
}
case WM_DROPFILES:
{
HDROP drop = (HDROP) wParam;
POINT pt;
int i;
const int count = DragQueryFileW(drop, 0xffffffff, NULL, 0);
char** paths = calloc(count, sizeof(char*));
// Move the mouse to the position of the drop
DragQueryPoint(drop, &pt);
_glfwInputCursorMotion(window, pt.x, pt.y);
for (i = 0; i < count; i++)
{
const UINT length = DragQueryFileW(drop, i, NULL, 0);
WCHAR* buffer = calloc(length + 1, sizeof(WCHAR));
DragQueryFileW(drop, i, buffer, length + 1);
paths[i] = _glfwCreateUTF8FromWideStringWin32(buffer);
free(buffer);
}
_glfwInputDrop(window, count, (const char**) paths);
for (i = 0; i < count; i++)
free(paths[i]);
free(paths);
DragFinish(drop);
return 0;
}
}
return DefWindowProcW(hWnd, uMsg, wParam, lParam);
}
void _glfwPlatformPollEvents(void)
{
MSG msg;
HWND handle;
_GLFWwindow* window;
while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
{
if (msg.message == WM_QUIT)
{
// Treat WM_QUIT as a close on all windows
// While GLFW does not itself post WM_QUIT, other processes may post
// it to this one, for example Task Manager
window = _glfw.windowListHead;
while (window)
{
_glfwInputWindowCloseRequest(window);
window = window->next;
}
}
else
{
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
}
handle = GetActiveWindow();
if (handle)
{
// LSHIFT/RSHIFT fixup (keys tend to "stick" without this fix)
// This is the only async event handling in GLFW, but it solves some
// nasty problems
window = GetPropW(handle, L"GLFW");
if (window)
{
const int mods = getAsyncKeyMods();
// Get current state of left and right shift keys
const int lshiftDown = (GetAsyncKeyState(VK_LSHIFT) >> 15) & 1;
const int rshiftDown = (GetAsyncKeyState(VK_RSHIFT) >> 15) & 1;
// See if this differs from our belief of what has happened
// (we only have to check for lost key up events)
if (!lshiftDown && window->keys[GLFW_KEY_LEFT_SHIFT] == 1)
_glfwInputKey(window, GLFW_KEY_LEFT_SHIFT, 0, GLFW_RELEASE, mods);
if (!rshiftDown && window->keys[GLFW_KEY_RIGHT_SHIFT] == 1)
_glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT, 0, GLFW_RELEASE, mods);
}
}
window = _glfw.win32.disabledCursorWindow;
if (window)
{
int width, height;
_glfwPlatformGetWindowSize(window, &width, &height);
// NOTE: Re-center the cursor only if it has moved since the last call,
// to avoid breaking glfwWaitEvents with WM_MOUSEMOVE
if (window->win32.lastCursorPosX != width / 2 ||
window->win32.lastCursorPosY != height / 2)
{
_glfwPlatformSetCursorPos(window, width / 2, height / 2);
}
}
}