diff options
Diffstat (limited to 'src/quick/items/qquicktableview.cpp')
-rw-r--r-- | src/quick/items/qquicktableview.cpp | 78 |
1 files changed, 48 insertions, 30 deletions
diff --git a/src/quick/items/qquicktableview.cpp b/src/quick/items/qquicktableview.cpp index f9454fc5cb..5feec60874 100644 --- a/src/quick/items/qquicktableview.cpp +++ b/src/quick/items/qquicktableview.cpp @@ -958,43 +958,61 @@ QQuickTableViewPrivate::RebuildOptions QQuickTableViewPrivate::checkForVisibilit return RebuildOption::None; } - // Go through all columns from first to last, find the columns that used - // to be hidden and not loaded, and check if they should become visible - // (and vice versa). If there is a change, we need to rebuild. RebuildOptions rebuildOptions = RebuildOption::None; - for (int column = leftColumn(); column <= rightColumn(); ++column) { - const bool wasVisibleFromBefore = loadedColumns.contains(column); - const bool isVisibleNow = !qFuzzyIsNull(getColumnWidth(column)); - if (wasVisibleFromBefore == isVisibleNow) - continue; - - // A column changed visibility. This means that it should - // either be loaded or unloaded. So we need a rebuild. - qCDebug(lcTableViewDelegateLifecycle) << "Column" << column << "changed visibility to" << isVisibleNow; + if (loadedTableOuterRect.x() == origin.x() && leftColumn() != 0) { + // Since the left column is at the origin of the viewport, but still not the first + // column in the model, we need to calculate a new left column since there might be + // columns in front of it that used to be hidden, but should now be visible (QTBUG-93264). rebuildOptions.setFlag(RebuildOption::ViewportOnly); - if (column == leftColumn()) { - // The first loaded column should now be hidden. This means that we - // need to calculate which column should now be first instead. - rebuildOptions.setFlag(RebuildOption::CalculateNewTopLeftColumn); + rebuildOptions.setFlag(RebuildOption::CalculateNewTopLeftColumn); + } else { + // Go through all loaded columns from first to last, find the columns that used + // to be hidden and not loaded, and check if they should become visible + // (and vice versa). If there is a change, we need to rebuild. + for (int column = leftColumn(); column <= rightColumn(); ++column) { + const bool wasVisibleFromBefore = loadedColumns.contains(column); + const bool isVisibleNow = !qFuzzyIsNull(getColumnWidth(column)); + if (wasVisibleFromBefore == isVisibleNow) + continue; + + // A column changed visibility. This means that it should + // either be loaded or unloaded. So we need a rebuild. + qCDebug(lcTableViewDelegateLifecycle) << "Column" << column << "changed visibility to" << isVisibleNow; + rebuildOptions.setFlag(RebuildOption::ViewportOnly); + if (column == leftColumn()) { + // The first loaded column should now be hidden. This means that we + // need to calculate which column should now be first instead. + rebuildOptions.setFlag(RebuildOption::CalculateNewTopLeftColumn); + } + break; } - break; } - // Go through all rows from first to last, and do the same as above - for (int row = topRow(); row <= bottomRow(); ++row) { - const bool wasVisibleFromBefore = loadedRows.contains(row); - const bool isVisibleNow = !qFuzzyIsNull(getRowHeight(row)); - if (wasVisibleFromBefore == isVisibleNow) - continue; - - // A row changed visibility. This means that it should - // either be loaded or unloaded. So we need a rebuild. - qCDebug(lcTableViewDelegateLifecycle) << "Row" << row << "changed visibility to" << isVisibleNow; + if (loadedTableOuterRect.y() == origin.y() && topRow() != 0) { + // Since the top row is at the origin of the viewport, but still not the first + // row in the model, we need to calculate a new top row since there might be + // rows in front of it that used to be hidden, but should now be visible (QTBUG-93264). rebuildOptions.setFlag(RebuildOption::ViewportOnly); - if (row == topRow()) - rebuildOptions.setFlag(RebuildOption::CalculateNewTopLeftRow); - break; + rebuildOptions.setFlag(RebuildOption::CalculateNewTopLeftRow); + } else { + // Go through all loaded rows from first to last, find the rows that used + // to be hidden and not loaded, and check if they should become visible + // (and vice versa). If there is a change, we need to rebuild. + for (int row = topRow(); row <= bottomRow(); ++row) { + const bool wasVisibleFromBefore = loadedRows.contains(row); + const bool isVisibleNow = !qFuzzyIsNull(getRowHeight(row)); + if (wasVisibleFromBefore == isVisibleNow) + continue; + + // A row changed visibility. This means that it should + // either be loaded or unloaded. So we need a rebuild. + qCDebug(lcTableViewDelegateLifecycle) << "Row" << row << "changed visibility to" << isVisibleNow; + rebuildOptions.setFlag(RebuildOption::ViewportOnly); + if (row == topRow()) + rebuildOptions.setFlag(RebuildOption::CalculateNewTopLeftRow); + break; + } } return rebuildOptions; |