+ // Note that we do not call GetClientSize() here but
+ // GetSize() and substract the border size for sunken
+ // borders manually. This is technically incorrect,
+ // but we need to know the client area's size WITHOUT
+ // scrollbars here. Since we don't know if there are
+ // any scrollbars, we use GetSize() instead. Another
+ // solution would be to call SetScrollbars() here to
+ // remove the scrollbars and call GetClientSize() then,
+ // but this might result in flicker and - worse - will
+ // reset the scrollbars to 0 which is not good at all
+ // if you resize a dialog/window, but don't want to
+ // reset the window scrolling. RR.
+ // Furthermore, we actually do NOT subtract the border
+ // width as 2 pixels is just the extra space which we
+ // need around the actual content in the window. Other-
+ // wise the text would e.g. touch the upper border. RR.
+ int clientWidth,
+ clientHeight;
+ GetSize( &clientWidth, &clientHeight );
+
+ const int lineHeight = GetLineHeight();
+
+ if ( InReportView() )
+ {
+ // all lines have the same height and we scroll one line per step
+ int entireHeight = count*lineHeight + LINE_SPACING;
+
+ m_linesPerPage = clientHeight / lineHeight;
+
+ ResetVisibleLinesRange();
+
+ SetScrollbars( SCROLL_UNIT_X, lineHeight,
+ GetHeaderWidth() / SCROLL_UNIT_X,
+ (entireHeight + lineHeight - 1) / lineHeight,
+ GetScrollPos(wxHORIZONTAL),
+ GetScrollPos(wxVERTICAL),
+ true );
+ }
+ else // !report
+ {
+ // we have 3 different layout strategies: either layout all items
+ // horizontally/vertically (wxLC_ALIGN_XXX styles explicitly given) or
+ // to arrange them in top to bottom, left to right (don't ask me why
+ // not the other way round...) order
+ if ( HasFlag(wxLC_ALIGN_LEFT | wxLC_ALIGN_TOP) )
+ {
+ int x = EXTRA_BORDER_X;
+ int y = EXTRA_BORDER_Y;
+
+ wxCoord widthMax = 0;
+
+ size_t i;
+ for ( i = 0; i < count; i++ )
+ {
+ wxListLineData *line = GetLine(i);
+ line->CalculateSize( &dc, iconSpacing );
+ line->SetPosition( x, y, iconSpacing );
+
+ wxSize sizeLine = GetLineSize(i);
+
+ if ( HasFlag(wxLC_ALIGN_TOP) )
+ {
+ if ( sizeLine.x > widthMax )
+ widthMax = sizeLine.x;
+
+ y += sizeLine.y;
+ }
+ else // wxLC_ALIGN_LEFT
+ {
+ x += sizeLine.x + MARGIN_BETWEEN_ROWS;
+ }
+ }
+
+ if ( HasFlag(wxLC_ALIGN_TOP) )
+ {
+ // traverse the items again and tweak their sizes so that they are
+ // all the same in a row
+ for ( i = 0; i < count; i++ )
+ {
+ wxListLineData *line = GetLine(i);
+ line->m_gi->ExtendWidth(widthMax);
+ }
+ }
+
+
+ SetScrollbars
+ (
+ SCROLL_UNIT_X,
+ lineHeight,
+ (x + SCROLL_UNIT_X) / SCROLL_UNIT_X,
+ (y + lineHeight) / lineHeight,
+ GetScrollPos( wxHORIZONTAL ),
+ GetScrollPos( wxVERTICAL ),
+ true
+ );
+ }
+ else // "flowed" arrangement, the most complicated case
+ {
+ // at first we try without any scrollbars, if the items don't fit into
+ // the window, we recalculate after subtracting the space taken by the
+ // scrollbar