mirror of
https://github.com/WarmUpTill/SceneSwitcher.git
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43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
#include "mouse-wheel-guard.hpp"
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#include <QEvent>
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#include <QScrollBar>
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namespace advss {
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MouseWheelWidgetAdjustmentGuard::MouseWheelWidgetAdjustmentGuard(QObject *parent)
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: QObject(parent)
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{
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}
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bool MouseWheelWidgetAdjustmentGuard::eventFilter(QObject *o, QEvent *e)
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{
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const QWidget *widget = static_cast<QWidget *>(o);
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if (e->type() == QEvent::Wheel && widget && !widget->hasFocus()) {
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e->ignore();
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return true;
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}
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return QObject::eventFilter(o, e);
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}
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void PreventMouseWheelAdjustWithoutFocus(QWidget *w)
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{
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// Ignore QScrollBar as there is no danger of accidentally modifying
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// anything and long expanded QComboBox would be difficult to interact
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// with otherwise.
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// Ignore OSCMessageElementEdit and ChatMessagePropertyEdit to allow
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// lists to up update the current index correctly.
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if (qobject_cast<QScrollBar *>(w) ||
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QString(w->metaObject()->className()) ==
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"advss::OSCMessageElementEdit" ||
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QString(w->metaObject()->className()) ==
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"advss::ChatMessagePropertyEdit") {
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return;
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}
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w->setFocusPolicy(Qt::StrongFocus);
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w->installEventFilter(new MouseWheelWidgetAdjustmentGuard(w));
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}
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} // namespace advss
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