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wxListCtrl custom drawing seems to work

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4824 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-12-05 00:20:58 +00:00
parent aaa37c0d23
commit d62228a645
4 changed files with 86 additions and 53 deletions
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117
src/msw/listctrl.cpp
View File

@@ -204,7 +204,15 @@ void wxListCtrl::UpdateStyle()
wxListCtrl::~wxListCtrl()
{
if (m_textCtrl)
if ( m_hasAnyAttr )
{
for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() )
{
delete (wxListItemAttr *)node->Data();
}
}
if ( m_textCtrl )
{
m_textCtrl->UnsubclassWin();
m_textCtrl->SetHWND(0);
@@ -549,20 +557,10 @@ bool wxListCtrl::SetItem(wxListItem& info)
// check whether it has any custom attributes
if ( info.HasAttributes() )
{
// FIXME it should be...
wxASSERT_MSG( !info.GetData(),
_T("can't have custom attributes and client data") );
item.mask |= LVIF_PARAM;
item.lParam = (long)info.GetAttributes();
m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
m_hasAnyAttr = TRUE;
}
else if ( m_hasAnyAttr )
{
item.mask |= LVIF_PARAM;
item.lParam = 0;
}
item.cchTextMax = 0;
bool ok = ListView_SetItem(GetHwnd(), &item) != 0;
@@ -1048,20 +1046,10 @@ long wxListCtrl::InsertItem(wxListItem& info)
// check whether it has any custom attributes
if ( info.HasAttributes() )
{
// FIXME it should be...
wxASSERT_MSG( !info.GetData(),
_T("can't have custom attributes and client data") );
item.mask |= LVIF_PARAM;
item.lParam = (long)info.GetAttributes();
m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
m_hasAnyAttr = TRUE;
}
else if ( m_hasAnyAttr )
{
item.mask |= LVIF_PARAM;
item.lParam = 0;
}
return (long) ListView_InsertItem(GetHwnd(), & item);
}
@@ -1279,16 +1267,10 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
// return TRUE to suppress all additional LVN_DELETEITEM
// notifications - this makes deleting all items from a list ctrl
// much faster (but we can't do it if we have any custom drawn
// items because we need to delete their attributes in
// LVN_DELETEITEM below)
if ( !m_hasAnyAttr )
{
*result = TRUE;
// much faster
*result = TRUE;
return TRUE;
}
break;
return TRUE;
case LVN_DELETEITEM:
{
@@ -1298,8 +1280,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
if ( m_hasAnyAttr )
{
wxListItemAttr *attr = (wxListItemAttr *)hdr->lParam;
delete attr;
delete m_attrs.Delete(hdr->iItem);
}
}
break;
@@ -1464,7 +1445,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
NMCUSTOMDRAW& nmcd = lplvcd->nmcd;
switch( nmcd.dwDrawStage )
{
case CDDS_PREPAINT :
case CDDS_PREPAINT:
// if we've got any items with non standard attributes,
// notify us before painting each item
*result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
@@ -1473,30 +1454,68 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
case CDDS_ITEMPREPAINT:
{
if ( !nmcd.lItemlParam )
wxListItemAttr *attr =
(wxListItemAttr *)m_attrs.Get(nmcd.dwItemSpec);
if ( !attr )
{
// nothing to do for this item
return CDRF_DODEFAULT;
}
wxListItemAttr *attr =
(wxListItemAttr *)nmcd.lItemlParam;
HFONT hFont;
wxColour colText, colBack;
if ( attr->HasFont() )
{
wxFont font = attr->GetFont();
hFont = (HFONT)font.GetResourceHandle();
}
else
{
hFont = 0;
}
::SelectObject(nmcd.hdc,
(HFONT)((wxFont &)attr->GetFont()).
GetResourceHandle());
lplvcd->clrText =
wxColourToRGB(attr->GetTextColour());
lplvcd->clrTextBk =
wxColourToRGB(attr->GetBackgroundColour());
if ( attr->HasTextColour() )
{
colText = attr->GetTextColour();
}
else
{
colText = GetTextColour();
}
// if we wanted to set colours for individual
// columns (subitems), we would have returned
// CDRF_NOTIFYSUBITEMREDRAW from here
*result = CDRF_NEWFONT;
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;