wxCheckListBoxItem::wxCheckListBoxItem (
wxCheckListBox* pParent
, size_t nIndex
)
: wxOwnerDrawn( wxEmptyString
,TRUE // checkable
)
{
m_bChecked = FALSE;
m_pParent = pParent;
m_nIndex = nIndex;
//
// We don't initialize m_nCheckHeight/Width vars because it's
// done in OnMeasure while they are used only in OnDraw and we
// know that there will always be OnMeasure before OnDraw
//
SetMarginWidth(GetDefaultMarginWidth());
} // end of wxCheckListBoxItem::wxCheckListBoxItem
bool wxMenuItem::OnMeasureItem( size_t* pWidth, size_t* pHeight )
{
wxMemoryDC vDC;
wxString sStr = GetName();
//
// If we have a valid accel string, then pad out
// the menu string so that the menu and accel string are not
// placed on top of each other.
wxString accel = GetItemLabel().AfterFirst(wxT('\t'));
if (!accel.empty() )
{
sStr.Pad(sStr.length()%8);
sStr += accel;
}
vDC.SetFont(GetFont());
vDC.GetTextExtent( sStr
,(wxCoord *)pWidth
,(wxCoord *)pHeight
);
if (!accel.empty())
{
//
// Measure the accelerator string, and add its width to
// the total item width, plus 16 (Accelerators are right justified,
// with the right edge of the text rectangle 16 pixels left of
// the right edge of the menu)
//
int nAccelWidth;
int nAccelHeight;
vDC.GetTextExtent( m_strAccel
,&nAccelWidth
,&nAccelHeight
);
*pWidth += nAccelWidth;
}
//
// Add space at the end of the menu for the submenu expansion arrow.
// This will also allow offsetting the accel string from the right edge
//
*pWidth = (size_t)(*pWidth + GetDefaultMarginWidth() * 1.5);
//
// JACS: items still look too tightly packed, so adding 5 pixels.
//
(*pHeight) += 5;
//
// Ray Gilbert's changes - Corrects the problem of a BMP
// being placed next to text in a menu item, and the BMP does
// not match the size expected by the system. This will
// resize the space so the BMP will fit. Without this, BMPs
// must be no larger or smaller than 16x16.
//
if (m_bmpChecked.IsOk())
{
//
// Is BMP height larger than text height?
//
size_t nAdjustedHeight = m_bmpChecked.GetHeight() +
wxSystemSettings::GetMetric(wxSYS_EDGE_Y);
if (*pHeight < nAdjustedHeight)
*pHeight = nAdjustedHeight;
//
// Does BMP encroach on default check menu position?
//
size_t nAdjustedWidth = m_bmpChecked.GetWidth() +
(wxSystemSettings::GetMetric(wxSYS_EDGE_X) * 2);
//
// Do we need to widen margin to fit BMP?
//
if ((size_t)GetMarginWidth() < nAdjustedWidth)
SetMarginWidth(nAdjustedWidth);
//
// Add the size of the bitmap to our total size...
//
*pWidth += GetMarginWidth();
}
//
// Add the size of the bitmap to our total size - even if we don't have
// a bitmap we leave room for one...
//
*pWidth += GetMarginWidth();
//
// Make sure that this item is at least as
// tall as the user's system settings specify
//
const size_t heightStd = 6; // FIXME: get value from the system
if ( *pHeight < heightStd )
*pHeight = heightStd;
m_nHeight = *pHeight; // remember height for use in OnDrawItem
return true;
} // end of wxOwnerDrawn::OnMeasureItem
bool wxCheckListBoxItem::OnDrawItem (
wxDC& rDc
, const wxRect& rRect
, wxODAction eAct
, wxODStatus eStat
)
{
wxRect vRect = rRect;
::WinQueryWindowRect( m_pParent->GetHWND()
,&rDc.m_vRclPaint
);
if (IsChecked())
eStat = (wxOwnerDrawn::wxODStatus)(eStat | wxOwnerDrawn::wxODChecked);
//
// Unfortunately PM doesn't quite get the text position exact. We need to alter
// it down and to the right, just a little bit. The coords in rRect are OS/2
// coords not wxWidgets coords.
//
vRect.x += 5;
vRect.y -= 3;
if (wxOwnerDrawn::OnDrawItem( rDc
,vRect
,eAct
,eStat))
{
size_t nCheckWidth = GetDefaultMarginWidth();
size_t nCheckHeight = m_pParent->GetItemHeight();
int nParentHeight;
int nX = rRect.GetX();
int nY = rRect.GetY();
int nOldY = nY;
wxColour vColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
wxPen vPenBack;
wxPen vPenGray;
wxPen vPenPrev;
m_pParent->GetSize( NULL
,&nParentHeight
);
nY = nParentHeight - nY - nCheckHeight;
vPenBack = wxPen(vColour, 1, wxSOLID);
vPenGray = wxPen(wxColour(127, 127, 127), 1, wxSOLID);
//
// Erase the 1-pixel border
//
rDc.SetPen(vPenBack);
rDc.DrawRectangle( nX
,nY
,nCheckWidth
,nCheckHeight
);
//
// Now we draw the smaller rectangle
//
nY++;
nCheckWidth -= 2;
nCheckHeight -= 2;
//
// Draw hollow gray rectangle
//
rDc.SetPen(vPenGray);
rDc.DrawRectangle( nX
,nY
,nCheckWidth
,nCheckHeight
);
nX++;
if (IsChecked())
{
//
// Draw the check by loading the sys standard bitmap and drawing it
//
HBITMAP hChkBmp = ::WinGetSysBitmap( HWND_DESKTOP
,SBMP_MENUCHECK
);
POINTL vPoint = {nX, nOldY + 3};
::WinDrawBitmap( rDc.GetHPS()
,hChkBmp
,NULL
,&vPoint
,NULL
,NULL
,DBM_NORMAL
);
}
return TRUE;
}
return FALSE;
} // end of wxCheckListBoxItem::OnDrawItem
