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Flipped cursor coordinates to match OpenGL

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This commit is contained in:
Elias Naur 2003-08-11 16:35:45 +00:00
parent 0b55322fc2
commit c8f38ac9b7
2 changed files with 41 additions and 17 deletions
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27
src/native/win32/org_lwjgl_input_Mouse.cpp
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@ -185,9 +185,9 @@ JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nSetNativeCursor
RECT clientRect;
GetWindowRect(hwnd, &windowRect);
getScreenClientRect(&clientRect, &windowRect);
SetCursorPos(clientRect.left, clientRect.top);
cursorPos.x = clientRect.left;
cursorPos.y = clientRect.top;
cursorPos.y = clientRect.bottom - 1;
SetCursorPos(cursorPos.x, cursorPos.y);
ShowCursor(TRUE);
usingNativeCursor = true;
}
@ -352,6 +352,15 @@ void SetupMouse() {
mCreate_success = true;
}
static int cap(int val, int min, int max) {
if (val < min)
return min;
else if (val > max)
return max;
else
return val;
}
static void getGDICursorDelta(int* return_dx, int* return_dy) {
int dx = 0;
int dy = 0;
@ -366,13 +375,12 @@ static void getGDICursorDelta(int* return_dx, int* return_dy) {
windowRect = newWindowRect;
getScreenClientRect(&clientRect, &windowRect);
// Clip the position to the client rect
if (newCursorPos.x < clientRect.right && newCursorPos.x >= clientRect.left &&
newCursorPos.y < clientRect.bottom && newCursorPos.y >= clientRect.top) {
dx = newCursorPos.x - cursorPos.x;
dy = newCursorPos.y - cursorPos.y;
cursorPos.x += dx;
cursorPos.y += dy;
}
newCursorPos.x = cap(newCursorPos.x, clientRect.left, clientRect.right - 1);
newCursorPos.y = cap(newCursorPos.y, clientRect.top, clientRect.bottom - 1);
dx = newCursorPos.x - cursorPos.x;
dy = newCursorPos.y - cursorPos.y;
cursorPos.x += dx;
cursorPos.y += dy;
*return_dx = dx;
*return_dy = dy;
}
@ -415,6 +423,7 @@ void UpdateMouseFields() {
dx = diMouseState.lX;
dy = diMouseState.lY;
}
dy = -dy;
mEnvironment->SetStaticIntField(clsMouse, fidMDX, (jint)dx);
mEnvironment->SetStaticIntField(clsMouse, fidMDY, (jint)dy);