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implemented attributes support for native virtual list control

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10981 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2001-07-12 00:06:48 +00:00
parent 6beb85c0d3
commit 63166611fb
2 changed files with 88 additions and 79 deletions
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3
include/wx/msw/listctrl.h
View File

@ -379,6 +379,9 @@ protected:
private:
bool DoCreateControl(int x, int y, int w, int h);
// process NM_CUSTOMDRAW notification message
WXLPARAM OnCustomDraw(WXLPARAM lParam);
DECLARE_DYNAMIC_CLASS(wxListCtrl)
DECLARE_EVENT_TABLE()
};

164
src/msw/listctrl.cpp
View File

@ -1592,85 +1592,9 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
#if defined(_WIN32_IE) && _WIN32_IE >= 0x300
case NM_CUSTOMDRAW:
{
LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam;
NMCUSTOMDRAW& nmcd = lplvcd->nmcd;
switch( nmcd.dwDrawStage )
{
case CDDS_PREPAINT:
// if we've got any items with non standard attributes,
// notify us before painting each item
*result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
: CDRF_DODEFAULT;
return TRUE;
*result = OnCustomDraw(lParam);
case CDDS_ITEMPREPAINT:
{
wxListItemAttr *attr =
(wxListItemAttr *)m_attrs.Get(nmcd.dwItemSpec);
if ( !attr )
{
// nothing to do for this item
return CDRF_DODEFAULT;
}
HFONT hFont;
wxColour colText, colBack;
if ( attr->HasFont() )
{
wxFont font = attr->GetFont();
hFont = (HFONT)font.GetResourceHandle();
}
else
{
hFont = 0;
}
if ( attr->HasTextColour() )
{
colText = attr->GetTextColour();
}
else
{
colText = GetTextColour();
}
if ( attr->HasBackgroundColour() )
{
colBack = attr->GetBackgroundColour();
}
else
{
colBack = GetBackgroundColour();
}
// note that if we wanted to set colours for
// individual columns (subitems), we would have
// returned CDRF_NOTIFYSUBITEMREDRAW from here
if ( hFont )
{
::SelectObject(nmcd.hdc, hFont);
*result = CDRF_NEWFONT;
}
else
{
*result = CDRF_DODEFAULT;
}
lplvcd->clrText = wxColourToRGB(colText);
lplvcd->clrTextBk = wxColourToRGB(colBack);
return TRUE;
}
default:
*result = CDRF_DODEFAULT;
return TRUE;
}
}
// break; // can never be reached
return TRUE;
#endif // _WIN32_IE >= 0x300
case LVN_GETDISPINFO:
@ -1739,6 +1663,88 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
return TRUE;
}
#if defined(_WIN32_IE) && _WIN32_IE >= 0x300
WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam)
{
LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam;
NMCUSTOMDRAW& nmcd = lplvcd->nmcd;
switch ( nmcd.dwDrawStage )
{
case CDDS_PREPAINT:
// if we've got any items with non standard attributes,
// notify us before painting each item
//
// for virtual controls, always suppose that we have attributes as
// there is no way to check for this
return IsVirtual() || m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
: CDRF_DODEFAULT;
case CDDS_ITEMPREPAINT:
{
size_t item = (size_t)nmcd.dwItemSpec;
wxListItemAttr *attr =
IsVirtual() ? OnGetItemAttr(item)
: (wxListItemAttr *)m_attrs.Get(item);
if ( !attr )
{
// nothing to do for this item
return CDRF_DODEFAULT;
}
HFONT hFont;
wxColour colText, colBack;
if ( attr->HasFont() )
{
wxFont font = attr->GetFont();
hFont = (HFONT)font.GetResourceHandle();
}
else
{
hFont = 0;
}
if ( attr->HasTextColour() )
{
colText = attr->GetTextColour();
}
else
{
colText = GetTextColour();
}
if ( attr->HasBackgroundColour() )
{
colBack = attr->GetBackgroundColour();
}
else
{
colBack = GetBackgroundColour();
}
lplvcd->clrText = wxColourToRGB(colText);
lplvcd->clrTextBk = wxColourToRGB(colBack);
// note that if we wanted to set colours for
// individual columns (subitems), we would have
// returned CDRF_NOTIFYSUBITEMREDRAW from here
if ( hFont )
{
::SelectObject(nmcd.hdc, hFont);
return CDRF_NEWFONT;
}
}
// fall through to return CDRF_DODEFAULT
default:
return CDRF_DODEFAULT;
}
}
#endif // NM_CUSTOMDRAW supported
// Necessary for drawing hrules and vrules, if specified
void wxListCtrl::OnPaint(wxPaintEvent& event)
{
@ -1827,7 +1833,7 @@ int wxListCtrl::OnGetItemImage(long item) const
wxListItemAttr *wxListCtrl::OnGetItemAttr(long item) const
{
wxASSERT_MSG( item >= 0 && (size_t)item < GetItemCount(),
wxASSERT_MSG( item >= 0 && item < GetItemCount(),
_T("invalid item index in OnGetItemAttr()") );
// no attributes by default