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    16 ** GNU Lesser General Public License Usage

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #ifndef QPRINTPREVIEWWIDGET_H

    43 #define QPRINTPREVIEWWIDGET_H

    44 

    45 #include <QtGui/qwidget.h>

    46 #include <QtGui/qprinter.h>

    47 

    48 #ifndef QT_NO_PRINTPREVIEWWIDGET

    49 

    50 QT_BEGIN_HEADER

    51 

    52 QT_BEGIN_NAMESPACE

    53 

    54 QT_MODULE(Gui)

    55 

    56 class QPrintPreviewWidgetPrivate;

    57 

    58 class Q_GUI_EXPORT QPrintPreviewWidget : public QWidget

    59 {

    60     Q_OBJECT

    61     Q_DECLARE_PRIVATE(QPrintPreviewWidget)

    62 public:

    63 

    64     enum ViewMode {

    65         SinglePageView,

    66         FacingPagesView,

    67         AllPagesView

    68     };

    69 

    70     enum ZoomMode {

    71         CustomZoom,

    72         FitToWidth,

    73         FitInView

    74     };

    75 

    76     explicit QPrintPreviewWidget(QPrinter *printer, QWidget *parent = 0, Qt::WindowFlags flags = 0);

    77     explicit QPrintPreviewWidget(QWidget *parent = 0, Qt::WindowFlags flags = 0);

    78     ~QPrintPreviewWidget();

    79 

    80     qreal zoomFactor() const;

    81     QPrinter::Orientation orientation() const;

    82     ViewMode viewMode() const;

    83     ZoomMode zoomMode() const;

    84     int currentPage() const;

    85     int numPages() const;

    86     void setVisible(bool visible);

    87 

    88 public Q_SLOTS:

    89     void print();

    90 

    91     void zoomIn(qreal zoom = 1.1);

    92     void zoomOut(qreal zoom = 1.1);

    93     void setZoomFactor(qreal zoomFactor);

    94     void setOrientation(QPrinter::Orientation orientation);

    95     void setViewMode(ViewMode viewMode);

    96     void setZoomMode(ZoomMode zoomMode);

    97     void setCurrentPage(int pageNumber);

    98 

    99     void fitToWidth();

   100     void fitInView();

   101     void setLandscapeOrientation();

   102     void setPortraitOrientation();

   103     void setSinglePageViewMode();

   104     void setFacingPagesViewMode();

   105     void setAllPagesViewMode();

   106 

   107     void updatePreview();

   108 

   109 Q_SIGNALS:

   110     void paintRequested(QPrinter *printer);

   111     void previewChanged();

   112 

   113 private:

   114     void *dummy; // ### remove in Qt 5.0

   115     Q_PRIVATE_SLOT(d_func(), void _q_fit())

   116     Q_PRIVATE_SLOT(d_func(), void _q_updateCurrentPage())

   117 };

   118 

   119 QT_END_NAMESPACE

   120 

   121 QT_END_HEADER

   122 

   123 #endif // QT_NO_PRINTPREVIEWWIDGET

   124 #endif // QPRINTPREVIEWWIDGET_H