void CDlgResizer::DoResize(int width, int height)
{
UpdateGripPos();
if (m_controls.empty())
return;
InvalidateRect(m_hDlg, NULL, true);
HDWP hdwp = BeginDeferWindowPos((int)m_controls.size());
for (size_t i=0; i<m_controls.size(); ++i)
{
RECT newpos = m_controls[i].origSize;
switch (m_controls[i].resizeType)
{
case RESIZER_TOPLEFT:
break; // do nothing - the original position is fine
case RESIZER_TOPRIGHT:
newpos.left += (width - m_dlgRect.right);
newpos.right += (width - m_dlgRect.right);
break;
case RESIZER_TOPLEFTRIGHT:
newpos.right += (width - m_dlgRect.right);
break;
case RESIZER_TOPLEFTBOTTOMRIGHT:
newpos.right += (width - m_dlgRect.right);
newpos.bottom += (height - m_dlgRect.bottom);
break;
case RESIZER_BOTTOMLEFT:
newpos.top += (height - m_dlgRect.bottom);
newpos.bottom += (height - m_dlgRect.bottom);
break;
case RESIZER_BOTTOMRIGHT:
newpos.top += (height - m_dlgRect.bottom);
newpos.bottom += (height - m_dlgRect.bottom);
newpos.left += (width - m_dlgRect.right);
newpos.right += (width - m_dlgRect.right);
break;
case RESIZER_BOTTOMLEFTRIGHT:
newpos.top += (height - m_dlgRect.bottom);
newpos.bottom += (height - m_dlgRect.bottom);
newpos.right += (width - m_dlgRect.right);
break;
}
hdwp = DeferWindowPos(hdwp, m_controls[i].hWnd, NULL, newpos.left, newpos.top,
newpos.right-newpos.left, newpos.bottom-newpos.top,
SWP_NOZORDER);
}
EndDeferWindowPos(hdwp);
UpdateGripPos();
}
BOOL MBMessageBoxImpl::InitGrip()
{
CRect rect(0 , 0, m_sizeGrip.cx, m_sizeGrip.cy);
BOOL bRet = m_wndGrip.Create(WS_CHILD | WS_CLIPSIBLINGS | SBS_SIZEGRIP,
rect, this, 0);
if (bRet)
{
// set a triangular window region
CRgn rgnGrip, rgn;
rgn.CreateRectRgn(0,0,1,1);
rgnGrip.CreateRectRgnIndirect(&rect);
for (int y=0; y<m_sizeGrip.cy; y++)
{
rgn.SetRectRgn(0, y, m_sizeGrip.cx-y, y+1);
rgnGrip.CombineRgn(&rgnGrip, &rgn, RGN_DIFF);
}
m_wndGrip.SetWindowRgn((HRGN)rgnGrip.Detach(), FALSE);
// subclass control
::SetProp(m_wndGrip, RSZ_GRIP_OBJ,
(HANDLE)::GetWindowLong(m_wndGrip, GWL_WNDPROC));
::SetWindowLong(m_wndGrip, GWL_WNDPROC, (LONG)GripWindowProc);
// update pos
UpdateGripPos();
ShowSizeGrip();
}
return bRet;
}
void MBMessageBoxImpl::OnSizing(UINT fwSide, LPRECT pRect)
{
if (!::IsWindow(m_hWnd)) { return; }
int left,right,top,bottom;
left = pRect->left;
right = pRect->right;
top = pRect->top;
bottom = pRect->bottom;
if ((fwSide == 7 || fwSide == 1 || fwSide == 4)
&& (left > right - m_MinWidth))
left = right - m_MinWidth;
if ((fwSide == 4 || fwSide == 3 || fwSide == 5)
&& (top > bottom - m_MinHeight))
top = bottom - m_MinHeight;
if ((fwSide == 5 || fwSide == 2 || fwSide == 8)
&& (right < left + m_MinWidth))
right = left + m_MinWidth;
if ((fwSide == 7 || fwSide == 6 || fwSide == 8)
&& (bottom < top + m_MinHeight))
bottom = top + m_MinHeight;
pRect->left = left;
pRect->right = right;
pRect->top = top;
pRect->bottom = bottom;
CDialog::OnSizing(fwSide, pRect);
UpdateGripPos();
}
void MBMessageBoxImpl::OnSize(UINT nType, int cx, int cy)
{
CDialog::OnSize(nType, cx, cy);
if (!::IsWindow(m_hWnd)) { return; }
resizeControls();
UpdateGripPos();
}
void CFileAndFolder::OnSizing(UINT fwSide, LPRECT pRect) {
int left,right,top,bottom;
left = pRect->left;
right = pRect->right;
top = pRect->top;
bottom = pRect->bottom;
if ((fwSide == 7 || fwSide == 1 || fwSide == 4)
&& (left > right - MBCFAF_MIN_WIDTH))
left = right - MBCFAF_MIN_WIDTH;
if ((fwSide == 4 || fwSide == 3 || fwSide == 5)
&& (top > bottom - MBCFAF_MIN_HEIGHT))
top = bottom - MBCFAF_MIN_HEIGHT;
if ((fwSide == 5 || fwSide == 2 || fwSide == 8)
&& (right < left + MBCFAF_MIN_WIDTH))
right = left + MBCFAF_MIN_WIDTH;
if ((fwSide == 7 || fwSide == 6 || fwSide == 8)
&& (bottom < top + MBCFAF_MIN_HEIGHT))
bottom = top + MBCFAF_MIN_HEIGHT;
pRect->left = left;
pRect->right = right;
pRect->top = top;
pRect->bottom = bottom;
CDialog::OnSizing(fwSide, pRect);
UpdateGripPos();
}
void CResizableDialog::OnSize(UINT nType, int cx, int cy)
{
CWnd::OnSize(nType, cx, cy);
if (nType == SIZE_MAXHIDE || nType == SIZE_MAXSHOW)
return; // arrangement not needed
if (m_bInitDone)
{
// update size-grip
UpdateGripPos();
ArrangeLayout();
}
}
BOOL CResizableGrip::InitGrip(HWND hParent)
{
m_hParent = hParent;
RECT rect = { 0 , 0, m_sizeGrip.cx, m_sizeGrip.cy };
m_wndGrip = ::CreateWindowEx(0, _T("SCROLLBAR"),
(LPTSTR)NULL,
WS_CHILD | WS_CLIPSIBLINGS | SBS_SIZEGRIP,
rect.left, rect.top,
rect.right-rect.left,
rect.bottom-rect.top,
hParent,
(HMENU)0,
NULL,
NULL);
if (m_wndGrip)
{
// set a triangular window region
HRGN rgnGrip, rgn;
rgn = ::CreateRectRgn(0,0,1,1);
rgnGrip = ::CreateRectRgnIndirect(&rect);
for (int y=0; y<m_sizeGrip.cy; y++)
{
::SetRectRgn(rgn, 0, y, m_sizeGrip.cx-y, y+1);
::CombineRgn(rgnGrip, rgnGrip, rgn, RGN_DIFF);
}
::SetWindowRgn(m_wndGrip, rgnGrip, FALSE);
// subclass control
::SetProp(m_wndGrip, RSZ_GRIP_OBJ,
(HANDLE)::GetWindowLong(m_wndGrip, GWL_WNDPROC));
::SetWindowLong(m_wndGrip, GWL_WNDPROC, (LONG)GripWindowProc);
// force dialog styles (RESIZABLE BORDER, NO FLICKERING)
::SetWindowLong(hParent, GWL_STYLE,
::GetWindowLong(hParent, GWL_STYLE) | WS_THICKFRAME | WS_CLIPCHILDREN);
// update pos
UpdateGripPos();
ShowSizeGrip();
}
return m_wndGrip!=NULL;
}
BOOL CResizableDialog::OnInitDialog()
{
CDialog::OnInitDialog();
// gets the template size as the min track size
CRect rc;
GetWindowRect(&rc);
SetMinTrackSize(rc.Size());
// init
UpdateGripPos();
m_bInitDone = TRUE;
return TRUE; // return TRUE unless you set the focus to a control
}
void CDlgResizer::Init(HWND hWndDlg)
{
m_hDlg = hWndDlg;
GetClientRect(hWndDlg, &m_dlgRect);
GetWindowRect(hWndDlg, &m_dlgRectScreen);
OffsetRect(&m_dlgRectScreen, -m_dlgRectScreen.left, -m_dlgRectScreen.top);
m_sizeGrip.cx = GetSystemMetrics(SM_CXVSCROLL);
m_sizeGrip.cy = GetSystemMetrics(SM_CYHSCROLL);
RECT rect = { 0 , 0, m_sizeGrip.cx, m_sizeGrip.cy };
m_wndGrip = ::CreateWindowEx(0, _T("SCROLLBAR"),
(LPCTSTR)NULL,
WS_CHILD | WS_CLIPSIBLINGS | SBS_SIZEGRIP,
rect.left, rect.top,
rect.right-rect.left,
rect.bottom-rect.top,
m_hDlg,
(HMENU)0,
NULL,
NULL);
if (m_wndGrip)
{
// set a triangular window region
HRGN rgnGrip, rgn;
rgn = ::CreateRectRgn(0,0,1,1);
rgnGrip = ::CreateRectRgnIndirect(&rect);
for (int y=0; y<m_sizeGrip.cy; y++)
{
::SetRectRgn(rgn, 0, y, m_sizeGrip.cx-y, y+1);
::CombineRgn(rgnGrip, rgnGrip, rgn, RGN_DIFF);
}
::SetWindowRgn(m_wndGrip, rgnGrip, FALSE);
// update pos
UpdateGripPos();
ShowSizeGrip();
}
}
BOOL CResizableSheet::OnInitDialog()
{
BOOL bResult = CPropertySheet::OnInitDialog();
// set the initial size as the min track size
CRect rc;
GetWindowRect(&rc);
SetMinTrackSize(rc.Size());
// init
UpdateGripPos();
PresetLayout();
// prevent flickering
// GetTabControl()->ModifyStyle(0, WS_CLIPSIBLINGS);
m_bInitDone = TRUE;
return bResult;
}
