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Fix arrow too large on macOS

By changing to use natvie UI tree controls.

Closes #10709.
This commit is contained in:
Chocobo1 2019-05-28 11:12:45 +08:00
parent c5430030e3
commit 0d9fcb0c1d
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@ -30,7 +30,6 @@
#include <QCheckBox>
#include <QDebug>
#include <QGuiApplication>
#include <QIcon>
#include <QListWidgetItem>
#include <QMenu>
@ -80,12 +79,12 @@ namespace
{
QPainter painter(this);
QStyleOption indicatorOption;
QStyleOptionViewItem indicatorOption;
indicatorOption.initFrom(this);
indicatorOption.rect = style()->subElementRect(QStyle::SE_CheckBoxIndicator, &indicatorOption, this);
style()->drawPrimitive((isChecked() ? QStyle::PE_IndicatorArrowDown
: (QGuiApplication::isLeftToRight() ? QStyle::PE_IndicatorArrowRight : QStyle::PE_IndicatorArrowLeft))
, &indicatorOption, &painter, this);
indicatorOption.state |= (QStyle::State_Children
| (isChecked() ? QStyle::State_Open : QStyle::State_None));
style()->drawPrimitive(QStyle::PE_IndicatorBranch, &indicatorOption, &painter, this);
QStyleOptionButton labelOption;
initStyleOption(&labelOption);