-
- // optimize the spacing of the grid in a way to prevent large gaps on the
- // right border (= row arrangement) or the bottom border (= column arrangement)
- const int spacing = settings->gridSpacing();
- int gridWidth = itemWidth + spacing * 2;
- int gridHeight = itemHeight + spacing;
- if (rowArrangement) {
- const int contentWidth = viewport()->width() - 1 -
- style()->pixelMetric(QStyle::PM_ScrollBarExtent, 0, horizontalScrollBar());
- const int horizItemCount = contentWidth / gridWidth;
- if (horizItemCount > 0) {
- gridWidth += (contentWidth - horizItemCount * gridWidth) / horizItemCount;
- }
- } else {
- const int contentHeight = viewport()->height() - 1 -
- style()->pixelMetric(QStyle::PM_ScrollBarExtent, 0, verticalScrollBar());
- const int vertItemCount = contentHeight / gridHeight;
- if (vertItemCount > 0) {
- gridHeight += (contentHeight - vertItemCount * gridHeight) / vertItemCount;
- }
- }
- setGridSize(QSize(gridWidth, gridHeight));