File indexing completed on 2024-05-12 16:36:50
0001 /* This file is part of the KDE project 0002 * Copyright ( C ) 2007 Thorsten Zachmann <zachmann@kde.org> 0003 * 0004 * This library is free software; you can redistribute it and/or 0005 * modify it under the terms of the GNU Library General Public 0006 * License as published by the Free Software Foundation; either 0007 * version 2 of the License, or ( at your option ) any later version. 0008 * 0009 * This library is distributed in the hope that it will be useful, 0010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 0011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0012 * Library General Public License for more details. 0013 * 0014 * You should have received a copy of the GNU Library General Public License 0015 * along with this library; see the file COPYING.LIB. If not, write to 0016 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0017 * Boston, MA 02110-1301, USA. 0018 */ 0019 0020 #ifndef KPRVIEWMODEPRESENTATION_H 0021 #define KPRVIEWMODEPRESENTATION_H 0022 0023 #include <KoPAViewMode.h> 0024 0025 #include "KPrAnimationDirector.h" 0026 #include "KPrPresentationTool.h" 0027 0028 class QWidget; 0029 class KPrPresentationTool; 0030 class KPrPresenterViewWidget; 0031 class KPrEndOfSlideShowPage; 0032 class KPrView; 0033 0034 class STAGE_EXPORT KPrViewModePresentation : public KoPAViewMode 0035 { 0036 Q_OBJECT 0037 0038 public: 0039 KPrViewModePresentation( KoPAViewBase * view, KoPACanvasBase * m_canvas ); 0040 ~KPrViewModePresentation() override; 0041 0042 KoViewConverter * viewConverter( KoPACanvasBase * canvas ) override; 0043 0044 void paint(KoPACanvasBase* canvas, QPainter& painter, const QRectF &paintRect) override; 0045 void tabletEvent( QTabletEvent *event, const QPointF &point ) override; 0046 void mousePressEvent( QMouseEvent *event, const QPointF &point ) override; 0047 void mouseDoubleClickEvent( QMouseEvent *event, const QPointF &point ) override; 0048 void mouseMoveEvent( QMouseEvent *event, const QPointF &point ) override; 0049 void mouseReleaseEvent( QMouseEvent *event, const QPointF &point ) override; 0050 void shortcutOverrideEvent( QKeyEvent *event ) override; 0051 void keyPressEvent( QKeyEvent *event ) override; 0052 void keyReleaseEvent( QKeyEvent *event ) override; 0053 void wheelEvent( QWheelEvent * event, const QPointF &point ) override; 0054 void closeEvent( QCloseEvent * event ) override; 0055 0056 void activate( KoPAViewMode * previousViewMode ) override; 0057 void deactivate() override; 0058 0059 /// reimplemented 0060 void updateActivePage( KoPAPageBase *page ) override; 0061 0062 /** 0063 * @brief Activate the saved view mode 0064 * 0065 * This ends the presentation mode. The view mode that was active before the 0066 * presentation will be restored. 0067 */ 0068 void activateSavedViewMode(); 0069 0070 /** 0071 * @brief Get the animation director 0072 * 0073 * Get the animation director used for effects 0074 * 0075 * @return animationDirector 0076 */ 0077 KPrAnimationDirector * animationDirector(); 0078 0079 /** 0080 * Get the number of pages. 0081 * 0082 * This assumes that the presentation is active. 0083 */ 0084 int numPages() const; 0085 0086 /** 0087 * Get the current page number. 0088 * 0089 * This assumes that the presentation is active. 0090 */ 0091 int currentPage() const; 0092 0093 /** 0094 * Get the number of steps in this page. 0095 * 0096 * This assumes that the presentation is active. 0097 */ 0098 int numStepsInPage() const; 0099 0100 /** 0101 * get the current step. 0102 * 0103 * This assumes that the presentation is active. 0104 */ 0105 int currentStep() const; 0106 0107 /** 0108 * get the current Presentation Tool 0109 * 0110 * This assumes that the presentation is active. 0111 */ 0112 KPrPresentationTool * presentationTool() const; 0113 0114 /** 0115 * Navigate in the presentation. 0116 */ 0117 void navigate( KPrAnimationDirector::Navigation navigation ); 0118 0119 Q_INVOKABLE void navigateToPage( int index ); 0120 void blackPresentation(); 0121 0122 /** 0123 * Returns whether the presentation is activated or not 0124 */ 0125 bool isActivated(); 0126 0127 Q_SIGNALS: 0128 0129 /** 0130 * Emitted when the presentation is activated. 0131 */ 0132 void activated(); 0133 0134 /** 0135 * Emitted when the presentation is about to be deactivated. 0136 */ 0137 void deactivated(); 0138 0139 /** 0140 * Emitted when the page changes. 0141 * 0142 * @param page new page index within the current slideshow 0143 * @param stepsInPage the number of steps in the new page 0144 */ 0145 void pageChanged( int page, int stepsInPage ); 0146 0147 /** 0148 * Emitted when the step changes. 0149 * 0150 * @param step new step index within the page 0151 */ 0152 void stepChanged( int step ); 0153 0154 protected: 0155 KoPAViewMode * m_savedViewMode; 0156 QWidget * m_savedParent; 0157 KPrPresentationTool * m_tool; 0158 KPrAnimationDirector * m_animationDirector; 0159 KPrAnimationDirector * m_pvAnimationDirector; 0160 KoPACanvas * m_presenterViewCanvas; 0161 KoPACanvas * m_baseCanvas; 0162 KPrPresenterViewWidget * m_presenterViewWidget; 0163 KPrEndOfSlideShowPage * m_endOfSlideShowPage; 0164 KPrView *m_view; 0165 }; 0166 0167 Q_DECLARE_METATYPE(KPrViewModePresentation *) 0168 0169 #endif /* KPRVIEWMODEPRESENTATION_H */