/usr/include/qgis/qgsextentgroupbox.h is in libqgis-dev 2.4.0-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | #ifndef QGSEXTENTGROUPBOX_H
#define QGSEXTENTGROUPBOX_H
#include "qgscollapsiblegroupbox.h"
#include "ui_qgsextentgroupboxwidget.h"
#include "qgscoordinatereferencesystem.h"
#include "qgsrectangle.h"
class QgsCoordinateReferenceSystem;
/**
* Collapsible group box for configuration of extent, typically for a save operation.
*
* Besides allowing the user to enter the extent manually, it comes with options to use
* original extent or extent defined by the current view in map canvas.
*
* When using the widget, make sure to call setOriginalExtent(), setCurrentExtent() and setOutputCrs() during initialization.
*
* @note added in 2.4
*/
class GUI_EXPORT QgsExtentGroupBox : public QgsCollapsibleGroupBox, private Ui::QgsExtentGroupBoxWidget
{
Q_OBJECT
public:
explicit QgsExtentGroupBox( QWidget* parent = 0 );
enum ExtentState
{
OriginalExtent, //!< layer's extent
CurrentExtent, //!< map canvas extent
UserExtent, //!< extent manually entered/modified by the user
};
//! Setup original extent - should be called as part of initialization
void setOriginalExtent( const QgsRectangle& originalExtent, const QgsCoordinateReferenceSystem& originalCrs );
QgsRectangle originalExtent() const { return mOriginalExtent; }
const QgsCoordinateReferenceSystem& originalCrs() const { return mOriginalCrs; }
//! Setup current extent - should be called as part of initialization (or whenever current extent changes)
void setCurrentExtent( const QgsRectangle& currentExtent, const QgsCoordinateReferenceSystem& currentCrs );
QgsRectangle currentExtent() const { return mCurrentExtent; }
const QgsCoordinateReferenceSystem& currentCrs() const { return mCurrentCrs; }
//! Set the output CRS - may need to be used for transformation from original/current extent.
//! Should be called as part of initialization and whenever the the output CRS is changed
void setOutputCrs( const QgsCoordinateReferenceSystem& outputCrs );
//! Get the resulting extent - in output CRS coordinates
QgsRectangle outputExtent() const;
ExtentState extentState() const { return mExtentState; }
public slots:
//! set output extent to be the same as original extent (may be transformed to output CRS)
void setOutputExtentFromOriginal();
//! set output extent to be the same as current extent (may be transformed to output CRS)
void setOutputExtentFromCurrent();
//! set output extent to custom extent (may be transformed to outut CRS)
void setOutputExtentFromUser( const QgsRectangle& extent, const QgsCoordinateReferenceSystem& crs );
signals:
//! emitted when extent is changed
void extentChanged( const QgsRectangle& r );
protected slots:
void on_mXMinLineEdit_textEdited( const QString & ) { setOutputExtentFromLineEdit(); }
void on_mXMaxLineEdit_textEdited( const QString & ) { setOutputExtentFromLineEdit(); }
void on_mYMinLineEdit_textEdited( const QString & ) { setOutputExtentFromLineEdit(); }
void on_mYMaxLineEdit_textEdited( const QString & ) { setOutputExtentFromLineEdit(); }
protected:
void setOutputExtent( const QgsRectangle& r, const QgsCoordinateReferenceSystem& srcCrs, ExtentState state );
void setOutputExtentFromLineEdit();
void updateTitle();
ExtentState mExtentState;
QgsCoordinateReferenceSystem mOutputCrs;
QgsRectangle mCurrentExtent;
QgsCoordinateReferenceSystem mCurrentCrs;
QgsRectangle mOriginalExtent;
QgsCoordinateReferenceSystem mOriginalCrs;
};
#endif // QGSEXTENTGROUPBOX_H
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