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Win32: Return HTCLIENT when the mouse is above scrollbars but inside the client area

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This commit is contained in:
David Capello 2014-08-07 08:45:51 -03:00
parent 0d2b3d1d68
commit 0f99c78174
1 changed files with 17 additions and 7 deletions
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24
src/she/alleg4/she_alleg4.cpp
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@ -325,15 +325,25 @@ static LRESULT CALLBACK wndproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lpara
case WM_NCHITTEST: {
LRESULT result = ::CallWindowProc(base_wndproc, hwnd, msg, wparam, lparam);
gfx::Point pt(GET_X_LPARAM(lparam), GET_Y_LPARAM(lparam));
RECT rc;
::GetClientRect(hwnd, &rc);
::MapWindowPoints(hwnd, NULL, (POINT*)&rc, 2);
gfx::Rect area(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
//PRINTF("NCHITTEST: %d %d - %d %d %d %d - %s\n", pt.x, pt.y, area.x, area.y, area.w, area.h, area.contains(pt) ? "true": "false");
// We ignore scrollbars so if the mouse is above them, we return
// as it's in the window resize area. (Remember that we have
// scroll bars are enabled and visible to receive trackpad
// messages only.)
if (result == HTHSCROLL)
result = HTBOTTOM;
else if (result == HTVSCROLL)
result = HTRIGHT;
// as it's in the window client or resize area. (Remember that
// we have scroll bars are enabled and visible to receive
// trackpad messages only.)
if (result == HTHSCROLL) {
result = (area.contains(pt) ? HTCLIENT: HTBOTTOM);
}
else if (result == HTVSCROLL) {
result = (area.contains(pt) ? HTCLIENT: HTRIGHT);
}
return result;
}