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40 lines
829 B
C++
40 lines
829 B
C++
#ifndef LIMITEDCOMBOBOX_H
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#define LIMITEDCOMBOBOX_H
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#include <QComboBox>
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#include <QEvent>
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class LimitedComboBox : public QComboBox
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{
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public:
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LimitedComboBox(int limit, QWidget *parent = 0)
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: QComboBox(parent), _limit(limit)
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{
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setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
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setStyleSheet("combobox-popup: 0;");
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}
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QSize sizeHint() const
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{
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return QSize(qMin(_limit, QComboBox::sizeHint().width()),
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QComboBox::sizeHint().height());
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}
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QSize minimumSizeHint() const
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{
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return QSize(qMin(_limit, QComboBox::minimumSizeHint().width()),
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QComboBox::minimumSizeHint().height());
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}
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bool event(QEvent *e)
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{
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if (e->type() == QEvent::Polish)
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view()->setMinimumWidth(QComboBox::sizeHint().width());
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return QComboBox::event(e);
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}
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private:
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int _limit;
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};
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#endif // LIMITEDCOMBOBOX_H
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