+wxListLineData *wxListMainWindow::GetDummyLine() const
+{
+ wxASSERT_MSG( !IsEmpty(), _T("invalid line index") );
+
+ wxASSERT_MSG( IsVirtual(), _T("GetDummyLine() shouldn't be called") );
+
+ wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
+
+ // we need to recreate the dummy line if the number of columns in the
+ // control changed as it would have the incorrect number of fields
+ // otherwise
+ if ( !m_lines.IsEmpty() &&
+ m_lines[0].m_items.GetCount() != (size_t)GetColumnCount() )
+ {
+ self->m_lines.Clear();
+ }
+
+ if ( m_lines.IsEmpty() )
+ {
+ wxListLineData *line = new wxListLineData(self);
+ self->m_lines.Add(line);
+
+ // don't waste extra memory -- there never going to be anything
+ // else/more in this array
+ self->m_lines.Shrink();
+ }
+
+ return &m_lines[0];
+}
+
+// ----------------------------------------------------------------------------
+// line geometry (report mode only)
+// ----------------------------------------------------------------------------
+
+wxCoord wxListMainWindow::GetLineHeight() const
+{
+ // we cache the line height as calling GetTextExtent() is slow
+ if ( !m_lineHeight )
+ {
+ wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
+
+ wxClientDC dc( self );
+ dc.SetFont( GetFont() );
+
+ wxCoord y;
+ dc.GetTextExtent(_T("H"), NULL, &y);
+
+ if ( m_small_image_list && m_small_image_list->GetImageCount() )
+ {
+ int iw = 0;
+ int ih = 0;
+ m_small_image_list->GetSize(0, iw, ih);
+ y = wxMax(y, ih);
+ }
+
+ y += EXTRA_HEIGHT;
+ self->m_lineHeight = y + LINE_SPACING;
+ }
+
+ return m_lineHeight;
+}
+
+wxCoord wxListMainWindow::GetLineY(size_t line) const
+{
+ wxASSERT_MSG( InReportView(), _T("only works in report mode") );
+
+ return LINE_SPACING + line*GetLineHeight();
+}
+
+wxRect wxListMainWindow::GetLineRect(size_t line) const
+{
+ if ( !InReportView() )
+ return GetLine(line)->m_gi->m_rectAll;
+
+ wxRect rect;
+ rect.x = HEADER_OFFSET_X;
+ rect.y = GetLineY(line);
+ rect.width = GetHeaderWidth();
+ rect.height = GetLineHeight();
+
+ return rect;
+}
+
+wxRect wxListMainWindow::GetLineLabelRect(size_t line) const
+{
+ if ( !InReportView() )
+ return GetLine(line)->m_gi->m_rectLabel;
+
+ wxRect rect;
+ rect.x = HEADER_OFFSET_X;
+ rect.y = GetLineY(line);
+ rect.width = GetColumnWidth(0);
+ rect.height = GetLineHeight();
+
+ return rect;
+}
+
+wxRect wxListMainWindow::GetLineIconRect(size_t line) const
+{
+ if ( !InReportView() )
+ return GetLine(line)->m_gi->m_rectIcon;
+
+ wxListLineData *ld = GetLine(line);
+ wxASSERT_MSG( ld->HasImage(), _T("should have an image") );
+
+ wxRect rect;
+ rect.x = HEADER_OFFSET_X;
+ rect.y = GetLineY(line);
+ GetImageSize(ld->GetImage(), rect.width, rect.height);
+
+ return rect;
+}
+
+wxRect wxListMainWindow::GetLineHighlightRect(size_t line) const
+{
+ return InReportView() ? GetLineRect(line)
+ : GetLine(line)->m_gi->m_rectHighlight;
+}
+
+long wxListMainWindow::HitTestLine(size_t line, int x, int y) const
+{
+ wxASSERT_MSG( line < GetItemCount(), _T("invalid line in HitTestLine") );
+
+ wxListLineData *ld = GetLine(line);
+
+ if ( ld->HasImage() && GetLineIconRect(line).Inside(x, y) )
+ return wxLIST_HITTEST_ONITEMICON;
+
+ // VS: Testing for "ld->HasText() || InReportView()" instead of
+ // "ld->HasText()" is needed to make empty lines in report view
+ // possible
+ if ( ld->HasText() || InReportView() )
+ {
+ wxRect rect = InReportView() ? GetLineRect(line)
+ : GetLineLabelRect(line);
+
+ if ( rect.Inside(x, y) )
+ return wxLIST_HITTEST_ONITEMLABEL;
+ }
+
+ return 0;
+}
+
+// ----------------------------------------------------------------------------
+// highlight (selection) handling
+// ----------------------------------------------------------------------------
+
+bool wxListMainWindow::IsHighlighted(size_t line) const
+{
+ if ( IsVirtual() )
+ {
+ return m_selStore.IsSelected(line);
+ }
+ else // !virtual
+ {
+ wxListLineData *ld = GetLine(line);
+ wxCHECK_MSG( ld, false, _T("invalid index in IsHighlighted") );
+
+ return ld->IsHighlighted();
+ }
+}
projects / wxWidgets.git / blobdiff