/usr/include/qgis/qgsexternalresourcewidget.h is in libqgis-dev 2.14.11+dfsg-3+deb9u1.
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qgsexternalresourcewidget.h
---------------------
begin : 16.12.2015
copyright : (C) 2015 by 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 QGSEXTERNALRESOURCEWIDGET_H
#define QGSEXTERNALRESOURCEWIDGET_H
class QWebView;
class QgsPixmapLabel;
#include <QWidget>
#include <QVariant>
#include "qgsfilewidget.h"
/** \ingroup gui
* Widget to display file path with a push button for an "open file" dialog
* It can also be used to display a picture or a web page.
**/
class GUI_EXPORT QgsExternalResourceWidget : public QWidget
{
Q_OBJECT
Q_PROPERTY( bool fileWidgetVisible READ fileWidgetVisible WRITE setFileWidgetVisible )
Q_PROPERTY( DocumentViewerContent documentViewerContent READ documentViewerContent WRITE setDocumentViewerContent )
Q_PROPERTY( int documentViewerHeight READ documentViewerHeight WRITE setDocumentViewerHeight )
Q_PROPERTY( int documentViewerWidth READ documentViewerWidth WRITE setDocumentViewerWidth )
public:
enum DocumentViewerContent
{
NoContent,
Image,
Web
};
/**
* @brief QgsExternalResourceWidget creates a widget with a file widget and a document viewer
* Both part of the widget are optional.
* @see QgsFileWidget
*/
explicit QgsExternalResourceWidget( QWidget *parent = 0 );
/**
* @brief documentPath returns the path of the current document in the widget
* @param type determines the type of the returned null variant if the document is not defined yet
*/
QVariant documentPath( QVariant::Type type = QVariant::String ) const;
void setDocumentPath( const QVariant& documentPath );
//! access the file widget to allow its configuration
QgsFileWidget* fileWidget();
//! returns if the file widget is visible in the widget
bool fileWidgetVisible() const;
//! set the visiblity of the file widget in the layout
void setFileWidgetVisible( bool visible );
//! returns the type of content used in the document viewer
QgsExternalResourceWidget::DocumentViewerContent documentViewerContent() const;
//! setDocumentViewerContent defines the type of content to be shown. Widget will be adapated accordingly
void setDocumentViewerContent( QgsExternalResourceWidget::DocumentViewerContent content );
//! returns the height of the document viewer
int documentViewerHeight() const;
/**
* @brief setDocumentViewerWidth set the height of the document viewer.
* @param height the height. Use 0 for automatic best display.
*/
void setDocumentViewerHeight( int height );
//! returns the width of the document viewer
int documentViewerWidth() const ;
/**
* @brief setDocumentViewerWidth set the width of the document viewer.
* @param width the width. Use 0 for automatic best display.
*/
void setDocumentViewerWidth( int width );
//! defines if the widget is readonly
void setReadOnly( bool readOnly );
signals:
//! emitteed as soon as the current document changes
void valueChanged( const QString& );
private slots:
void loadDocument( const QString& path );
private:
void updateDocumentViewer();
//! properties
bool mFileWidgetVisible;
DocumentViewerContent mDocumentViewerContent;
int mDocumentViewerHeight;
int mDocumentViewerWidth;
//! UI objects
QgsFileWidget* mFileWidget;
QgsPixmapLabel* mPixmapLabel;
#ifdef WITH_QTWEBKIT
//! This webview is used as a container to display the picture
QWebView* mWebView;
#endif
};
#endif // QGSEXTERNALRESOURCEWIDGET_H
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