//*************************************************************************
void CBCGPDlgImpl::UpdateCaptionButtons()
{
if ((m_Dlg.GetStyle () & WS_SYSMENU) == 0)
{
return;
}
CMenu* pSysMenu = m_Dlg.GetSystemMenu (FALSE);
if (pSysMenu == NULL || !::IsMenu (pSysMenu->m_hMenu))
{
return;
}
for (POSITION pos = m_lstCaptionSysButtons.GetHeadPosition (); pos != NULL;)
{
CBCGPFrameCaptionButton* pButton = (CBCGPFrameCaptionButton*)m_lstCaptionSysButtons.GetNext (pos);
ASSERT_VALID (pButton);
if (pButton->GetHit () == HTCLOSE_BCG)
{
BOOL bGrayed = pSysMenu->GetMenuState (SC_CLOSE, MF_BYCOMMAND) & MF_GRAYED;
pButton->m_bEnabled = bGrayed ? FALSE : TRUE;
}
if (pButton->GetHit () == HTMAXBUTTON_BCG)
{
BOOL bGrayed = pSysMenu->GetMenuState (SC_MAXIMIZE, MF_BYCOMMAND) & MF_GRAYED;
pButton->m_bEnabled = bGrayed ? FALSE : TRUE;
}
if (pButton->GetHit () == HTMINBUTTON_BCG)
{
BOOL bGrayed = pSysMenu->GetMenuState (SC_MINIMIZE, MF_BYCOMMAND) & MF_GRAYED;
pButton->m_bEnabled = bGrayed ? FALSE : TRUE;
}
}
#ifndef _BCGSUITE_
m_Dlg.SendMessage (BCGM_ONAFTERUPDATECAPTION);
#endif
m_Dlg.RedrawWindow (NULL, NULL, RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW | RDW_NOCHILDREN);
}
//*************************************************************************************
void CBCGPDlgImpl::OnTrackCaptionButtons (CPoint point)
{
if (CBCGPPopupMenu::GetActiveMenu () != NULL)
{
return;
}
UINT nHot = m_nHotSysButton;
CBCGPFrameCaptionButton* pBtn = GetSysButton (OnNcHitTest (point));
if (pBtn != NULL && pBtn->m_bEnabled)
{
m_nHotSysButton = pBtn->GetHit ();
pBtn->m_bFocused = TRUE;
}
else
{
m_nHotSysButton = HTNOWHERE;
}
if (m_nHotSysButton != nHot)
{
RedrawCaptionButton (pBtn);
CBCGPFrameCaptionButton* pBtnOld = GetSysButton (nHot);
if (pBtnOld != NULL)
{
pBtnOld->m_bFocused = FALSE;
RedrawCaptionButton (pBtnOld);
}
}
if (m_nHitSysButton == HTNOWHERE)
{
if (nHot != HTNOWHERE && m_nHotSysButton == HTNOWHERE)
{
::ReleaseCapture();
}
else if (nHot == HTNOWHERE && m_nHotSysButton != HTNOWHERE)
{
m_Dlg.SetCapture ();
}
}
}
void CVisualManager::DrawNcCaption (CDC* pDC, CRect rectCaption,
DWORD dwStyle, DWORD dwStyleEx,
const CString& strTitle, const CString& strDocument,
HICON hIcon, BOOL bPrefix, BOOL bActive,
BOOL bTextCenter,
const CObList& lstSysButtons)
{
const BOOL bIsRTL = (dwStyleEx & WS_EX_LAYOUTRTL) == WS_EX_LAYOUTRTL;
const int nSysCaptionHeight = ::GetSystemMetrics (SM_CYCAPTION);
CSize szSysBorder (GetSystemBorders ());
CDC memDC;
memDC.CreateCompatibleDC (pDC);
CBitmap memBmp;
memBmp.CreateCompatibleBitmap (pDC, rectCaption.Width (), rectCaption.Height ());
CBitmap* pBmpOld = memDC.SelectObject (&memBmp);
memDC.BitBlt (0, 0, rectCaption.Width (), rectCaption.Height (), pDC, 0, 0, SRCCOPY);
BOOL bMaximized = (dwStyle & WS_MAXIMIZE) == WS_MAXIMIZE;
CRect rectBorderCaption (rectCaption);
if (bMaximized)
{
rectBorderCaption.OffsetRect (-rectBorderCaption.TopLeft ());
rectBorderCaption.bottom -= szSysBorder.cy;
}
m_ctrlMainBorderCaption.Draw (&memDC, rectBorderCaption, 0);
CRect rectSysBtn (rectCaption);
if (bMaximized)
{
rectSysBtn.top = 0;
rectSysBtn.OffsetRect (szSysBorder.cx, 0);
}
rectSysBtn.right -= (szSysBorder.cx - 3);
rectSysBtn.left = rectSysBtn.right - m_SysBtnBack[0].GetImageSize ().cx;
m_SysBtnBack[0].DrawEx (&memDC, rectSysBtn, 0,
CBCGPToolBarImages::ImageAlignHorzLeft, CBCGPToolBarImages::ImageAlignVertTop);
CRect rectCaptionB (rectCaption);
rectCaptionB.DeflateRect ((bMaximized ? 0 : szSysBorder.cx) - 1, 0);
rectCaptionB.top = rectCaptionB.bottom - m_ctrlMainBorderCaptionB.GetParams ().m_rectImage.Height ();
m_ctrlMainBorderCaptionB.Draw (&memDC, rectCaptionB, 0);
CRect rect (rectCaption);
rect.DeflateRect (szSysBorder.cx, szSysBorder.cy, szSysBorder.cx, 0);
rect.top = rect.bottom - nSysCaptionHeight - 1;
// Draw icon:
if (hIcon != NULL)
{
CSize szIcon (::GetSystemMetrics (SM_CXSMICON), ::GetSystemMetrics (SM_CYSMICON));
long x = rect.left + (bMaximized ? szSysBorder.cx : 0) + 2;
long y = rect.top + max (0, (nSysCaptionHeight - szIcon.cy) / 2);
::DrawIconEx (memDC.GetSafeHdc (), x, y, hIcon, szIcon.cx, szIcon.cy,
0, NULL, DI_NORMAL);
rect.left = x + szIcon.cx + (bMaximized ? szSysBorder.cx : 4);
}
// Draw system buttons:
int xButtonsRight = rect.right;
for (POSITION pos = lstSysButtons.GetHeadPosition (); pos != NULL;)
{
CBCGPFrameCaptionButton* pButton = (CBCGPFrameCaptionButton*)
lstSysButtons.GetNext (pos);
ASSERT_VALID (pButton);
BCGBUTTON_STATE state = ButtonsIsRegular;
if (pButton->m_bPushed && pButton->m_bFocused)
{
state = ButtonsIsPressed;
}
else if (pButton->m_bFocused)
{
state = ButtonsIsHighlighted;
}
UINT uiHit = pButton->GetHit ();
UINT nButton = 0;
switch (uiHit)
{
case HTCLOSE_BCG:
nButton = SC_CLOSE;
break;
case HTMAXBUTTON_BCG:
nButton =
(dwStyle & WS_MAXIMIZE) == WS_MAXIMIZE ? SC_RESTORE : SC_MAXIMIZE;
break;
case HTMINBUTTON_BCG:
nButton =
(dwStyle & WS_MINIMIZE) == WS_MINIMIZE ? SC_RESTORE : SC_MINIMIZE;
break;
}
CRect rectBtn (pButton->GetRect ());
if (bMaximized)
{
rectBtn.OffsetRect (szSysBorder.cx, szSysBorder.cy);
}
DrawNcBtn (&memDC, rectBtn, nButton, state, FALSE, bActive, FALSE);
xButtonsRight = min (xButtonsRight, pButton->GetRect ().left);
}
// Draw text:
if ((!strTitle.IsEmpty () || !strDocument.IsEmpty ()) &&
rect.left < rect.right)
{
CFont* pOldFont = (CFont*)memDC.SelectObject (&m_AppCaptionFont);
CRect rectText = rect;
rectText.right = xButtonsRight - 1;
DrawNcText (&memDC, rectText, strTitle, strDocument, bPrefix, bActive, bIsRTL, bTextCenter);
memDC.SelectObject (pOldFont);
}
pDC->BitBlt (rectCaption.left, rectCaption.top, rectCaption.Width (), rectCaption.Height (),
&memDC, 0, 0, SRCCOPY);
memDC.SelectObject (pBmpOld);
}
//*****************************************************************************
void CMacStyle::DrawNcCaption (CDC* pDC, CRect rectCaption,
DWORD dwStyle, DWORD dwStyleEx,
const CString& strTitle,
HICON hIcon, BOOL bActive,
BOOL bTextCenter,
const CObList& lstSysButtons)
{
const BOOL bIsRTL = (dwStyleEx & WS_EX_LAYOUTRTL) == WS_EX_LAYOUTRTL;
const int nSysCaptionHeight = ::GetSystemMetrics (SM_CYCAPTION);
CSize szSysBorder (GetSystemBorders ());
CDC memDC;
memDC.CreateCompatibleDC (pDC);
CBitmap memBmp;
memBmp.CreateCompatibleBitmap (pDC, rectCaption.Width (), rectCaption.Height ());
memDC.SelectObject (&memBmp);
memDC.BitBlt (0, 0, rectCaption.Width (), rectCaption.Height (), pDC, 0, 0, SRCCOPY);
m_ctrlMainBorderCaption.Draw (&memDC, rectCaption, bActive ? 0 : 1);
CRect rect (rectCaption);
rect.DeflateRect (szSysBorder.cx, 0, szSysBorder.cx, 0);
// Draw icon:
if (hIcon != NULL)
{
CSize szIcon (::GetSystemMetrics (SM_CXSMICON), ::GetSystemMetrics (SM_CYSMICON));
CRect rectIcon (rect.TopLeft (), CSize (nSysCaptionHeight, rect.Height ()));
long x = rect.left + max (0, (rectIcon.Width () - szIcon.cx) / 2);
long y = rect.top + max (0, (rectIcon.Height () - szIcon.cy) / 2);
::DrawIconEx (memDC.GetSafeHdc (), x, y, hIcon, szIcon.cx, szIcon.cy,
0, NULL, DI_NORMAL);
rect.left += rectIcon.Width ();
}
// Draw system buttons:
int xButtonsRight = rect.right;
for (POSITION pos = lstSysButtons.GetHeadPosition (); pos != NULL;)
{
CBCGPFrameCaptionButton* pButton = (CBCGPFrameCaptionButton*)
lstSysButtons.GetNext (pos);
ASSERT_VALID (pButton);
BCGBUTTON_STATE state = ButtonsIsRegular;
if (pButton->m_bPushed && pButton->m_bFocused)
{
state = ButtonsIsPressed;
}
else if (pButton->m_bFocused)
{
state = ButtonsIsHighlighted;
}
UINT uiHit = pButton->GetHit ();
UINT nButton = 0;
switch (uiHit)
{
case HTCLOSE_BCG:
nButton = SC_CLOSE;
break;
case HTMAXBUTTON_BCG:
nButton =
(dwStyle & WS_MAXIMIZE) == WS_MAXIMIZE ? SC_RESTORE : SC_MAXIMIZE;
break;
case HTMINBUTTON_BCG:
nButton =
(dwStyle & WS_MINIMIZE) == WS_MINIMIZE ? SC_RESTORE : SC_MINIMIZE;
break;
}
DrawNcBtn (&memDC, pButton->GetRect (), nButton, state, bActive);
xButtonsRight = min (xButtonsRight, pButton->GetRect ().left);
}
// Draw text:
if (!strTitle.IsEmpty () && rect.left < rect.right)
{
CFont* pOldFont = (CFont*)memDC.SelectObject (&m_AppCaptionFont);
CRect rectText = rect;
rectText.right = xButtonsRight - 1;
DrawNcText (&memDC, rectText, strTitle, bActive, bIsRTL, bTextCenter);
memDC.SelectObject (pOldFont);
}
pDC->BitBlt (rectCaption.left, rectCaption.top, rectCaption.Width (), rectCaption.Height (),
&memDC, 0, 0, SRCCOPY);
}
