public void setResizable(boolean resizable) {
if (this.resizable != resizable) {
int style = (int) getWindowLongPtr(hwnd, GWL_STYLE);
int styleex = (int) getWindowLongPtr(hwnd, GWL_EXSTYLE);
// update frame style
if (resizable && !Display.isFullscreen()) {
setWindowLongPtr(hwnd, GWL_STYLE, style |= (WS_THICKFRAME | WS_MAXIMIZEBOX));
} else {
setWindowLongPtr(hwnd, GWL_STYLE, style &= ~(WS_THICKFRAME | WS_MAXIMIZEBOX));
}
// from the existing client rect, determine the new window rect
// based on the style changes - using AdjustWindowRectEx.
getClientRect(hwnd, rect_buffer);
rect.copyFromBuffer(rect_buffer);
adjustWindowRectEx(rect_buffer, style, false, styleex);
rect.copyFromBuffer(rect_buffer);
// force a frame update and resize accordingly
setWindowPos(
hwnd,
HWND_TOP,
0,
0,
rect.right - rect.left,
rect.bottom - rect.top,
SWP_NOMOVE | SWP_NOZORDER | SWP_FRAMECHANGED);
updateWidthAndHeight();
resized = false;
}
this.resizable = resizable;
}
private static void getGlobalClientRect(long hwnd, Rect rect) {
rect_buffer.put(0, 0).put(1, 0);
clientToScreen(hwnd, rect_buffer);
int offset_x = rect_buffer.get(0);
int offset_y = rect_buffer.get(1);
getClientRect(hwnd, rect_buffer);
rect.copyFromBuffer(rect_buffer);
rect.offset(offset_x, offset_y);
}
static void setupCursorClipping(long hwnd) throws LWJGLException {
cursor_clipped = true;
getGlobalClientRect(hwnd, rect);
rect.copyToBuffer(rect_buffer);
clipCursor(rect_buffer);
}
private void updateWidthAndHeight() {
getClientRect(hwnd, rect_buffer);
rect.copyFromBuffer(rect_buffer);
width = rect.right - rect.left;
height = rect.bottom - rect.top;
}
public static void intersect(Rect r1, Rect r2, Rect dst) {
dst.top = Math.max(r1.top, r2.top);
dst.bottom = Math.min(r1.bottom, r2.bottom);
dst.left = Math.max(r1.left, r2.left);
dst.right = Math.min(r1.right, r2.right);
}
private long doHandleMessage(long hwnd, int msg, long wParam, long lParam, long millis) {
/*switch ( msg ) {
case 0x0:
case 0x0020:
case 0x0084:
case WM_MOUSEMOVE:
break;
default:
WindowsEventDebug.printMessage(msg, wParam, lParam);
}*/
if (parent != null && !isFocused) {
switch (msg) {
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_XBUTTONDOWN:
sendMessage(parent_hwnd, msg, wParam, lParam);
}
}
switch (msg) {
// disable screen saver and monitor power down messages which wreak havoc
case WM_ACTIVATE:
/*switch ((int)wParam) {
case WA_ACTIVE:
case WA_CLICKACTIVE:
appActivate(true);
break;
case WA_INACTIVE:
appActivate(false);
break;
}*/
return 0L;
case WM_SIZE:
switch ((int) wParam) {
case SIZE_RESTORED:
case SIZE_MAXIMIZED:
maximized = ((int) wParam) == SIZE_MAXIMIZED;
resized = true;
updateWidthAndHeight();
setMinimized(false);
break;
case SIZE_MINIMIZED:
setMinimized(true);
break;
}
break;
case WM_SIZING:
resized = true;
updateWidthAndHeight();
break;
case WM_SETCURSOR:
if ((lParam & 0xFFFF) == HTCLIENT) {
// if the cursor is inside the client area, reset it
// to the current LWJGL-cursor
updateCursor();
return -1; // TRUE
} else {
// let Windows handle cursors outside the client area for resizing, etc.
return defWindowProc(hwnd, msg, wParam, lParam);
}
case WM_KILLFOCUS:
appActivate(false);
return 0L;
case WM_SETFOCUS:
appActivate(true);
return 0L;
case WM_MOUSEACTIVATE:
if (parent != null) {
if (!isFocused) grabFocus();
return 3L; // MA_NOACTIVATE
}
break;
case WM_MOUSEMOVE:
int xPos = (int) (short) (lParam & 0xFFFF);
int yPos = transformY(getHwnd(), (int) (short) ((lParam >> 16) & 0xFFFF));
handleMouseMoved(xPos, yPos, millis);
checkCursorState();
mouseInside = true;
if (!trackingMouse) {
trackingMouse = nTrackMouseEvent(hwnd);
}
return 0L;
case WM_MOUSEWHEEL:
int dwheel = (int) (short) ((wParam >> 16) & 0xFFFF);
handleMouseScrolled(dwheel, millis);
return 0L;
case WM_LBUTTONDOWN:
handleMouseButton(0, 1, millis);
return 0L;
case WM_LBUTTONUP:
handleMouseButton(0, 0, millis);
return 0L;
case WM_RBUTTONDOWN:
handleMouseButton(1, 1, millis);
return 0L;
case WM_RBUTTONUP:
handleMouseButton(1, 0, millis);
return 0L;
case WM_MBUTTONDOWN:
handleMouseButton(2, 1, millis);
return 0L;
case WM_MBUTTONUP:
handleMouseButton(2, 0, millis);
return 0L;
case WM_XBUTTONUP:
if ((wParam >> 16) == XBUTTON1) {
handleMouseButton(3, 0, millis);
} else {
handleMouseButton(4, 0, millis);
}
return 1;
case WM_XBUTTONDOWN:
if ((wParam & 0xFF) == MK_XBUTTON1) {
handleMouseButton(3, 1, millis);
} else {
handleMouseButton(4, 1, millis);
}
return 1;
case WM_SYSCHAR:
case WM_CHAR:
handleChar(wParam, lParam, millis);
return 0L;
case WM_SYSKEYUP:
/* Fall through */
case WM_KEYUP:
// SysRq apparently only generates WM_KEYUP, so we'll fake a WM_KEYDOWN
if (wParam == WindowsKeycodes.VK_SNAPSHOT
&& keyboard != null
&& !keyboard.isKeyDown(org.lwjgl.input.Keyboard.KEY_SYSRQ)) {
// Set key state to pressed
long fake_lparam = lParam & ~(1 << 31);
// Set key previous state to released
fake_lparam &= ~(1 << 30);
handleKeyButton(wParam, fake_lparam, millis);
}
/* Fall through */
case WM_SYSKEYDOWN:
/* Fall through */
case WM_KEYDOWN:
handleKeyButton(wParam, lParam, millis);
break;
case WM_QUIT:
close_requested = true;
return 0L;
case WM_SYSCOMMAND:
switch ((int) (wParam & 0xfff0)) {
case SC_KEYMENU:
case SC_MOUSEMENU:
case SC_SCREENSAVE:
case SC_MONITORPOWER:
return 0L;
case SC_CLOSE:
close_requested = true;
return 0L;
default:
break;
}
break;
case WM_PAINT:
is_dirty = true;
break;
case WM_MOUSELEAVE:
mouseInside = false;
trackingMouse = false;
break;
case WM_CANCELMODE:
nReleaseCapture();
/* fall through */
case WM_CAPTURECHANGED:
if (captureMouse != -1) {
handleMouseButton(captureMouse, 0, millis);
captureMouse = -1;
}
return 0L;
case WM_WINDOWPOSCHANGED:
if (getWindowRect(hwnd, rect_buffer)) {
rect.copyFromBuffer(rect_buffer);
x = rect.top;
y = rect.bottom;
} else {
LWJGLUtil.log("WM_WINDOWPOSCHANGED: Unable to get window rect");
}
break;
case WM_GETICON:
iconsLoaded = true;
break;
}
return defWindowProc(hwnd, msg, wParam, lParam);
}
private static int transformY(long hwnd, int y) {
getClientRect(hwnd, rect_buffer);
rect.copyFromBuffer(rect_buffer);
return (rect.bottom - rect.top) - 1 - y;
}