bool CMouse::OnButton(UINT id, const CPoint& point, bool bOnFullscreen)
{
bool ret = false;
WORD cmd = AssignedToCmd(id, bOnFullscreen);
if (cmd) {
m_pMainFrame->PostMessage(WM_COMMAND, cmd);
ret = true;
}
return ret;
}
bool CMouse::TestDrag(const CPoint& screenPoint)
{
bool ret = false;
if (m_drag == Drag::BEGIN_DRAG) {
ASSERT(!IsOnFullscreenWindow());
bool bUpAssigned = !!AssignedToCmd(wmcmd::LUP, false);
if ((!bUpAssigned && screenPoint != m_beginDragPoint) ||
(bUpAssigned && !PointEqualsImprecise(screenPoint, m_beginDragPoint))) {
VERIFY(ReleaseCapture());
m_pMainFrame->PostMessage(WM_NCLBUTTONDOWN, HTCAPTION, MAKELPARAM(m_beginDragPoint.x, m_beginDragPoint.y));
m_drag = Drag::DRAGGED;
m_bLeftDown = false;
ret = true;
}
} else {
m_drag = Drag::NO_DRAG;
}
return ret;
}
LRESULT CChildView::OnNcHitTest(CPoint point)
{
LRESULT nHitTest = CWnd::OnNcHitTest(point);
CMainFrame* pFrame = ((CMainFrame*)GetParentFrame());
bool fLeftMouseBtnUnassigned = !AssignedToCmd(wmcmd::LDOWN);
if (!pFrame->m_fFullScreen && (pFrame->IsCaptionHidden() || fLeftMouseBtnUnassigned)) {
CRect rcClient, rcFrame;
GetWindowRect(&rcFrame);
rcClient = rcFrame;
CSize sizeBorder(GetSystemMetrics(SM_CXBORDER), GetSystemMetrics(SM_CYBORDER));
rcClient.InflateRect(-(5 * sizeBorder.cx), -(5 * sizeBorder.cy));
rcFrame.InflateRect(sizeBorder.cx, sizeBorder.cy);
if (rcFrame.PtInRect(point)) {
if (point.x > rcClient.right) {
if (point.y < rcClient.top) {
nHitTest = HTTOPRIGHT;
} else if (point.y > rcClient.bottom) {
nHitTest = HTBOTTOMRIGHT;
} else {
nHitTest = HTRIGHT;
}
} else if (point.x < rcClient.left) {
if (point.y < rcClient.top) {
nHitTest = HTTOPLEFT;
} else if (point.y > rcClient.bottom) {
nHitTest = HTBOTTOMLEFT;
} else {
nHitTest = HTLEFT;
}
} else if (point.y < rcClient.top) {
nHitTest = HTTOP;
} else if (point.y > rcClient.bottom) {
nHitTest = HTBOTTOM;
}
}
}
return nHitTest;
}
void CChildView::OnNcLButtonDown(UINT nHitTest, CPoint point)
{
CMainFrame* pFrame = ((CMainFrame*)GetParentFrame());
bool fLeftMouseBtnUnassigned = !AssignedToCmd(wmcmd::LDOWN);
if (!pFrame->m_fFullScreen && (pFrame->IsCaptionHidden() || fLeftMouseBtnUnassigned)) {
BYTE bFlag = 0;
switch (nHitTest) {
case HTTOP:
bFlag = WMSZ_TOP;
break;
case HTTOPLEFT:
bFlag = WMSZ_TOPLEFT;
break;
case HTTOPRIGHT:
bFlag = WMSZ_TOPRIGHT;
break;
case HTLEFT:
bFlag = WMSZ_LEFT;
break;
case HTRIGHT:
bFlag = WMSZ_RIGHT;
break;
case HTBOTTOM:
bFlag = WMSZ_BOTTOM;
break;
case HTBOTTOMLEFT:
bFlag = WMSZ_BOTTOMLEFT;
break;
case HTBOTTOMRIGHT:
bFlag = WMSZ_BOTTOMRIGHT;
break;
}
if (bFlag) {
pFrame->PostMessage(WM_SYSCOMMAND, (SC_SIZE | bFlag), (LPARAM)POINTTOPOINTS(point));
} else {
CWnd::OnNcLButtonDown(nHitTest, point);
}
}
}
