/usr/include/qgis/qgsdatetimeedit.h is in libqgis-dev 2.18.17+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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qgsdatetimeedit.h
--------------------------------------
Date : 08.2014
Copyright : (C) 2014 Denis Rouzaud
Email : denis.rouzaud@gmail.com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSDATETIMEEDIT_H
#define QGSDATETIMEEDIT_H
#include <QDateTimeEdit>
class QToolButton;
class QLineEdit;
/** \ingroup gui
* @brief The QgsDateTimeEdit class is a QDateTimeEdit with the capability of setting/reading null date/times.
*/
class GUI_EXPORT QgsDateTimeEdit : public QDateTimeEdit
{
Q_OBJECT
Q_PROPERTY( bool allowNull READ allowNull WRITE setAllowNull )
public:
explicit QgsDateTimeEdit( QWidget *parent = nullptr );
//! determines if the widget allows setting null date/time.
void setAllowNull( bool allowNull );
bool allowNull() const {return mAllowNull;}
/**
* @brief setDateTime set the date time in the widget and handles null date times.
* @note since QDateTimeEdit::setDateTime() is not virtual, setDateTime must be called for QgsDateTimeEdit.
*/
void setDateTime( const QDateTime &dateTime );
/**
* @brief dateTime returns the date time which can eventually be a null date/time
* @note since QDateTimeEdit::dateTime() is not virtual, dateTime must be called for QgsDateTimeEdit.
*/
QDateTime dateTime() const;
//! Set the current date as NULL
//! @note if the widget is not configured to accept NULL dates, this will have no effect
virtual void clear() override;
/** Resets the widget to show no value (ie, an "unknown" state).
* @note added in QGIS 2.16
*/
void setEmpty();
protected:
virtual void resizeEvent( QResizeEvent* event ) override;
void mousePressEvent( QMouseEvent*event ) override;
void focusOutEvent( QFocusEvent *event ) override;
void wheelEvent( QWheelEvent *event ) override;
void showEvent( QShowEvent *event ) override;
private slots:
void changed( const QDateTime &dateTime );
private:
int spinButtonWidth() const;
int frameWidth() const;
void displayNull( bool updateCalendar = false );
//! reset the value to current date time
void resetBeforeChange( int delta );
bool mAllowNull;
bool mIsNull;
bool mIsEmpty;
QLineEdit* mNullLabel;
QToolButton* mClearButton;
QString mOriginalStyleSheet;
};
#endif // QGSDATETIMEEDIT_H
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