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#include "Visualization/MacScrollBarStyle.h"
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#include <QWidget>
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int MacScrollBarStyle::styleHint(QStyle::StyleHint hint, const QStyleOption *option,
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const QWidget *widget, QStyleHintReturn *returnData) const
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{
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switch (hint) {
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case SH_ScrollBar_Transient:
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return false; // Makes the scrollbar always visible
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case SH_ScrollView_FrameOnlyAroundContents:
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return true; // Avoid that the scrollbar is drawn on top of the widget
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default:
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break;
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}
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return QProxyStyle::styleHint(hint, option, widget, returnData);
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}
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void MacScrollBarStyle::selfInstallOn(QWidget *widget, bool installOnSubWidgets)
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{
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// Note: a style can be installed on a particular widget but it is not automatically applied its
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// children widgets.
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QList<QWidget *> widgetsToStyle{widget};
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while (!widgetsToStyle.isEmpty()) {
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auto widget = widgetsToStyle.takeFirst();
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widget->setStyle(this);
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if (installOnSubWidgets) {
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for (auto child : widget->children()) {
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auto childWidget = qobject_cast<QWidget *>(child);
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if (childWidget) {
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widgetsToStyle << childWidget;
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}
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}
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}
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}
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}
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