diff options
| -rw-r--r-- | src/kitemviews/kitemlistviewlayouter.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/kitemviews/kitemlistviewlayouter.cpp b/src/kitemviews/kitemlistviewlayouter.cpp index 9b807aaf5..cb0e9cf55 100644 --- a/src/kitemviews/kitemlistviewlayouter.cpp +++ b/src/kitemviews/kitemlistviewlayouter.cpp @@ -297,7 +297,10 @@ void KItemListViewLayouter::doLayout() // Apply the unused width equally to each column const qreal unusedWidth = size.width() - m_columnCount * m_columnWidth; if (unusedWidth > 0) { - const qreal columnInc = unusedWidth / (m_columnCount + 1); + // [Comment #1] A cast to int is done on purpose to prevent rounding issues when + // drawing pixmaps and drawing text or other graphic primitives: Qt uses a different + // rastering algorithm for the upper/left of pixmaps + const qreal columnInc = int(unusedWidth / (m_columnCount + 1)); m_columnWidth += columnInc; m_xPosInc += columnInc; } @@ -368,7 +371,7 @@ void KItemListViewLayouter::doLayout() // (in average a character requires the halve width of the font height). // // TODO: Let the group headers provide a minimum width and respect this width here - const qreal minimumGroupHeaderWidth = m_groupHeaderHeight * 15 / 2; + const qreal minimumGroupHeaderWidth = int(m_groupHeaderHeight * 15 / 2); // See [Comment #1] if (requiredItemHeight < minimumGroupHeaderWidth) { requiredItemHeight = minimumGroupHeaderWidth; } |