diff options
| -rw-r--r-- | src/designer/src/components/widgetbox/widgetboxtreewidget.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/designer/src/components/widgetbox/widgetboxtreewidget.cpp b/src/designer/src/components/widgetbox/widgetboxtreewidget.cpp index fa32ad279..da4656217 100644 --- a/src/designer/src/components/widgetbox/widgetboxtreewidget.cpp +++ b/src/designer/src/components/widgetbox/widgetboxtreewidget.cpp @@ -50,6 +50,7 @@ #include <QtWidgets/qaction.h> #include <QtWidgets/qactiongroup.h> #include <QtWidgets/qmenu.h> +#include <QtWidgets/qscrollbar.h> #include <QtCore/qfile.h> #include <QtCore/qtimer.h> @@ -303,7 +304,15 @@ bool WidgetBoxTreeWidget::load(QDesignerWidgetBox::LoadMode loadMode) return false; const QString contents = QString::fromUtf8(f.readAll()); - return loadContents(contents); + if (!loadContents(contents)) + return false; + if (topLevelItemCount() > 0) { + // QTBUG-93099: Set the single step to the item height to have some + // size-related value. + const auto itemHeight = visualItemRect(topLevelItem(0)).height(); + verticalScrollBar()->setSingleStep(itemHeight); + } + return true; } bool WidgetBoxTreeWidget::loadContents(const QString &contents) |