custom_line_edit.h

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#ifndef CUSTOMLINEEDIT_H
#define CUSTOMLINEEDIT_H
 
#include <QLineEdit>
 
class QTreeView;
class QKeyEvent;
class QWidget;
class QString;
 
// Should be used when the there is a risk of conflict between line editor
// shortcuts and other shortcuts
class LineEditUnfocusable : public QLineEdit
{
    Q_OBJECT
public:
    explicit LineEditUnfocusable(QWidget *parent = nullptr);
    explicit LineEditUnfocusable(const QString &contents, QWidget *parent = nullptr);
 
private:
    static bool isUnfocusShortcut(QKeyEvent *key);
 
protected:
    void keyPressEvent(QKeyEvent *event) override;
    bool eventFilter(QObject *watched, QEvent *event) override;
};
 
class SearchLineEdit : public LineEditUnfocusable
{
private:
    QTreeView *treeView;
 
protected:
    void keyPressEvent(QKeyEvent *event) override;
 
public:
    SearchLineEdit() : treeView(nullptr)
    {
    }
    void setTreeView(QTreeView *_treeView)
    {
        treeView = _treeView;
    }
};
 
#endif