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support for tracking mouse outside window on drag, new api for checking if mouse is inside window

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This commit is contained in:
Brian Matzon 2009-09-12 22:15:21 +00:00
parent 198064eb64
commit 8bd591fe5e
7 changed files with 66 additions and 4 deletions
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17
src/java/org/lwjgl/opengl/WindowsDisplay.java
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@ -66,6 +66,7 @@ final class WindowsDisplay implements DisplayImplementation {
private final static int WM_MBUTTONDBLCLK = 0x0209;
private final static int WM_MOUSEWHEEL = 0x020A;
private final static int WM_CAPTURECHANGED = 0x0215;
private final static int WM_MOUSELEAVE = 0x02A3;
private final static int WM_KEYDOWN = 256;
private final static int WM_KEYUP = 257;
private final static int WM_SYSKEYUP = 261;
@ -154,6 +155,8 @@ final class WindowsDisplay implements DisplayImplementation {
private long large_icon;
private int captureMouse = -1;
private boolean trackingMouse = false;
private boolean mouseInside = false;
WindowsDisplay() {
current_display = this;
@ -813,6 +816,10 @@ final class WindowsDisplay implements DisplayImplementation {
int yPos = transformY(getHwnd(), (int)(short)((lParam >> 16) & 0xFFFF));
handleMouseMoved(xPos, yPos, millis);
checkCursorState();
mouseInside = true;
if(!trackingMouse) {
trackingMouse = nTrackMouseEvent(hwnd);
}
return 0;
case WM_MOUSEWHEEL:
int dwheel = (int)(short)((wParam >> 16) & 0xFFFF);
@ -878,6 +885,10 @@ final class WindowsDisplay implements DisplayImplementation {
case WM_PAINT:
is_dirty = true;
return defWindowProc(hwnd, msg, wParam, lParam);
case WM_MOUSELEAVE:
mouseInside = false;
trackingMouse = false;
return defWindowProc(hwnd, msg, wParam, lParam);
case WM_CANCELMODE:
nReleaseCapture();
/* fall through */
@ -909,6 +920,12 @@ final class WindowsDisplay implements DisplayImplementation {
return -1;
}
private native boolean nTrackMouseEvent(long hwnd);
public boolean isInsideWindow() {
return mouseInside;
}
private static final class Rect {
public int top;
public int bottom;