+ 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;
+ if ( item >= (size_t)GetItemCount() )
+ {
+ // we get this message with item == 0 for an empty control,
+ // we must ignore it as calling OnGetItemAttr() would be
+ // wrong
+ return CDRF_DODEFAULT;
+ }
+
+ 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)
+{
+ wxPaintDC dc(this);
+
+ wxControl::OnPaint(event);
+
+ // Reset the device origin since it may have been set
+ dc.SetDeviceOrigin(0, 0);
+
+ bool drawHRules = ((GetWindowStyle() & wxLC_HRULES) != 0);
+ bool drawVRules = ((GetWindowStyle() & wxLC_VRULES) != 0);
+
+ if (!drawHRules && !drawVRules)
+ return;
+ if ((GetWindowStyle() & wxLC_REPORT) == 0)
+ return;
+
+ wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
+ dc.SetPen(pen);
+ dc.SetBrush(* wxTRANSPARENT_BRUSH);
+
+ wxSize clientSize = GetClientSize();
+ wxRect itemRect;
+ int cy=0;
+
+ int itemCount = GetItemCount();
+ int i;
+ for (i = 0; i < itemCount; i++)
+ {
+ if (GetItemRect(i, itemRect))
+ {
+ cy = itemRect.GetTop();
+ if (i != 0) // Don't draw the first one
+ {
+ dc.DrawLine(0, cy, clientSize.x, cy);
+ }
+ // Draw last line
+ if (i == (GetItemCount() - 1))
+ {
+ cy = itemRect.GetBottom();
+ dc.DrawLine(0, cy, clientSize.x, cy);
+ }
+ }
+ }
+ i = (GetItemCount() - 1);
+ if (drawVRules && (i > -1))
+ {
+ wxRect firstItemRect;
+ GetItemRect(0, firstItemRect);
+
+ if (GetItemRect(i, itemRect))
+ {
+ int col;
+ int x = itemRect.GetX();
+ for (col = 0; col < GetColumnCount(); col++)
+ {
+ int colWidth = GetColumnWidth(col);
+ x += colWidth ;
+ dc.DrawLine(x, firstItemRect.GetY() - 2, x, itemRect.GetBottom());
+ }
+ }
+ }
+}
+
+// ----------------------------------------------------------------------------
+// virtual list controls
+// ----------------------------------------------------------------------------
+
+wxString wxListCtrl::OnGetItemText(long item, long col) const
+{
+ // this is a pure virtual function, in fact - which is not really pure
+ // because the controls which are not virtual don't need to implement it
+ wxFAIL_MSG( _T("not supposed to be called") );
+
+ return wxEmptyString;
+}
+
+int wxListCtrl::OnGetItemImage(long item) const
+{
+ // same as above
+ wxFAIL_MSG( _T("not supposed to be called") );
+
+ return -1;
+}
+
+wxListItemAttr *wxListCtrl::OnGetItemAttr(long item) const
+{
+ wxASSERT_MSG( item >= 0 && item < GetItemCount(),
+ _T("invalid item index in OnGetItemAttr()") );
+
+ // no attributes by default
+ return NULL;
+}
+
+void wxListCtrl::SetItemCount(long count)
+{
+ wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
+
+ if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, 0) )
+ {
+ wxLogLastError(_T("ListView_SetItemCount"));
+ }
+}
+
+void wxListCtrl::RefreshItem(long item)
+{
+ if ( !ListView_Update(GetHwnd(), item) )
+ {
+ wxLogLastError(_T("ListView_Update"));
+ }
+}
+
+void wxListCtrl::RefreshItems(long itemFrom, long itemTo)
+{
+ for ( long item = itemFrom; item <= itemTo; item++ )
+ {
+ RefreshItem(item);
projects / wxWidgets.git / blobdiff