qprintpreviewwidget.h 3.8 KB

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  1. /****************************************************************************
  2. **
  3. ** Copyright (C) 2016 The Qt Company Ltd.
  4. ** Contact: https://www.qt.io/licensing/
  5. **
  6. ** This file is part of the QtGui module of the Qt Toolkit.
  7. **
  8. ** $QT_BEGIN_LICENSE:LGPL$
  9. ** Commercial License Usage
  10. ** Licensees holding valid commercial Qt licenses may use this file in
  11. ** accordance with the commercial license agreement provided with the
  12. ** Software or, alternatively, in accordance with the terms contained in
  13. ** a written agreement between you and The Qt Company. For licensing terms
  14. ** and conditions see https://www.qt.io/terms-conditions. For further
  15. ** information use the contact form at https://www.qt.io/contact-us.
  16. **
  17. ** GNU Lesser General Public License Usage
  18. ** Alternatively, this file may be used under the terms of the GNU Lesser
  19. ** General Public License version 3 as published by the Free Software
  20. ** Foundation and appearing in the file LICENSE.LGPL3 included in the
  21. ** packaging of this file. Please review the following information to
  22. ** ensure the GNU Lesser General Public License version 3 requirements
  23. ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
  24. **
  25. ** GNU General Public License Usage
  26. ** Alternatively, this file may be used under the terms of the GNU
  27. ** General Public License version 2.0 or (at your option) the GNU General
  28. ** Public license version 3 or any later version approved by the KDE Free
  29. ** Qt Foundation. The licenses are as published by the Free Software
  30. ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
  31. ** included in the packaging of this file. Please review the following
  32. ** information to ensure the GNU General Public License requirements will
  33. ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
  34. ** https://www.gnu.org/licenses/gpl-3.0.html.
  35. **
  36. ** $QT_END_LICENSE$
  37. **
  38. ****************************************************************************/
  39. #ifndef QPRINTPREVIEWWIDGET_H
  40. #define QPRINTPREVIEWWIDGET_H
  41. #include <QtWidgets/qwidget.h>
  42. #include <QtPrintSupport/qprinter.h>
  43. #ifndef QT_NO_PRINTPREVIEWWIDGET
  44. QT_BEGIN_NAMESPACE
  45. class QPrintPreviewWidgetPrivate;
  46. class Q_PRINTSUPPORT_EXPORT QPrintPreviewWidget : public QWidget
  47. {
  48. Q_OBJECT
  49. Q_DECLARE_PRIVATE(QPrintPreviewWidget)
  50. public:
  51. enum ViewMode {
  52. SinglePageView,
  53. FacingPagesView,
  54. AllPagesView
  55. };
  56. enum ZoomMode {
  57. CustomZoom,
  58. FitToWidth,
  59. FitInView
  60. };
  61. explicit QPrintPreviewWidget(QPrinter *printer, QWidget *parent = Q_NULLPTR,
  62. Qt::WindowFlags flags = Qt::WindowFlags());
  63. explicit QPrintPreviewWidget(QWidget *parent = Q_NULLPTR, Qt::WindowFlags flags = Qt::WindowFlags());
  64. ~QPrintPreviewWidget();
  65. qreal zoomFactor() const;
  66. QPrinter::Orientation orientation() const;
  67. ViewMode viewMode() const;
  68. ZoomMode zoomMode() const;
  69. int currentPage() const;
  70. int pageCount() const;
  71. void setVisible(bool visible) Q_DECL_OVERRIDE;
  72. public Q_SLOTS:
  73. void print();
  74. void zoomIn(qreal zoom = 1.1);
  75. void zoomOut(qreal zoom = 1.1);
  76. void setZoomFactor(qreal zoomFactor);
  77. void setOrientation(QPrinter::Orientation orientation);
  78. void setViewMode(ViewMode viewMode);
  79. void setZoomMode(ZoomMode zoomMode);
  80. void setCurrentPage(int pageNumber);
  81. void fitToWidth();
  82. void fitInView();
  83. void setLandscapeOrientation();
  84. void setPortraitOrientation();
  85. void setSinglePageViewMode();
  86. void setFacingPagesViewMode();
  87. void setAllPagesViewMode();
  88. void updatePreview();
  89. Q_SIGNALS:
  90. void paintRequested(QPrinter *printer);
  91. void previewChanged();
  92. private:
  93. Q_PRIVATE_SLOT(d_func(), void _q_fit())
  94. Q_PRIVATE_SLOT(d_func(), void _q_updateCurrentPage())
  95. };
  96. QT_END_NAMESPACE
  97. #endif // QT_NO_PRINTPREVIEWWIDGET
  98. #endif // QPRINTPREVIEWWIDGET_H