move imageviewer sources to ui/imageviewer

1 files changed, 198 insertions, 0 deletions

diff --git a/src/ui/imageviewer/pictureflow.h b/src/ui/imageviewer/pictureflow.h
new file mode 100644
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+++ b/src/ui/imageviewer/pictureflow.h
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+
+/***************************************************************************
+ *   fqterm, a terminal emulator for both BBS and *nix.                    *
+ *   Copyright (C) 2008 fqterm development group.                          *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
+ ***************************************************************************/
+
+/*
+  PictureFlow - animated image show widget
+  http://pictureflow.googlecode.com
+
+  Copyright (C) 2007 Ariya Hidayat (ariya@kde.org)
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+  THE SOFTWARE.
+*/
+
+#ifndef PICTUREFLOW_H
+#define PICTUREFLOW_H
+
+#include <QWidget>
+
+namespace FQTerm {
+
+class PictureFlowPrivate;
+
+/*!
+  Class PictureFlow implements an image show widget with animation effect 
+  like Apple's CoverFlow (in iTunes and iPod). Images are arranged in form 
+  of slides, one main slide is shown at the center with few slides on 
+  the left and right sides of the center slide. When the next or previous 
+  slide is brought to the front, the whole slides flow to the right or 
+  the right with smooth animation effect; until the new slide is finally 
+  placed at the center.
+
+ */ 
+class PictureFlow : public QWidget
+{
+Q_OBJECT
+
+  Q_PROPERTY(int slideCount READ slideCount WRITE setSlideCount)
+  Q_PROPERTY(int currentSlide READ currentSlide WRITE setCurrentSlide)
+  Q_PROPERTY(QSize slideSize READ slideSize WRITE setSlideSize)
+  Q_PROPERTY(int zoomFactor READ zoomFactor WRITE setZoomFactor)
+
+public:
+  /*!
+    Creates a new PictureFlow widget.
+  */  
+  PictureFlow(QWidget* parent = 0);
+
+  /*!
+    Destroys the widget.
+  */
+  ~PictureFlow();
+
+  /*!
+    Returns the total number of slides.
+  */
+  int slideCount() const;
+
+  /*!
+    Sets the total number of slides.
+  */
+  void setSlideCount(int count);
+
+  /*!
+    Returns the dimension of each slide (in pixels).
+  */  
+  QSize slideSize() const;
+
+  /*!
+    Sets the dimension of each slide (in pixels).
+  */  
+  void setSlideSize(QSize size);
+
+  /*!
+    Sets the zoom factor (in percent).
+  */ 
+  void setZoomFactor(int zoom);
+
+  /*!
+    Returns the zoom factor (in percent).
+  */
+  int zoomFactor() const;
+
+  /*!
+    Returns QImage of specified slide.
+    This function will be called only whenever necessary, e.g. the 100th slide
+    will not be retrived when only the first few slides are visible.
+  */  
+  virtual QImage slide(int index) const;
+
+  /*!
+    Sets an image for specified slide. If the slide already exists,
+    it will be replaced.
+  */  
+  virtual void setSlide(int index, const QImage& image);
+
+  /*!
+    Sets a pixmap for specified slide. If the slide already exists,
+    it will be replaced.
+  */  
+  virtual void setSlide(int index, const QPixmap& pixmap);
+
+  /*!
+    Returns the index of slide currently shown in the middle of the viewport.
+  */  
+  int currentSlide() const;
+
+signals:
+	void slideSelected (int index);
+
+public slots:
+
+  /*!
+    Sets slide to be shown in the middle of the viewport. No animation 
+    effect will be produced, unlike using showSlide.
+  */  
+  void setCurrentSlide(int index);
+
+  /*!
+    Clears images of all slides.
+  */
+  void clear();
+
+  /*!
+    Rerender the widget. Normally this function will be automatically invoked
+    whenever necessary, e.g. during the transition animation.
+  */
+  void render();
+
+  /*!
+    Shows previous slide using animation effect.
+  */
+  void showPrevious();
+
+  /*!
+    Shows next slide using animation effect.
+  */
+  void showNext();
+
+  /*!
+    Go to specified slide using animation effect.
+  */
+  void showSlide(int index);
+
+
+  /*!
+    Go to slide at specified position using animation effect.
+  */
+  void showSlideAt(int x, int y);
+	
+protected:
+  void mouseReleaseEvent (QMouseEvent *event);
+  void mouseMoveEvent (QMouseEvent *event);
+  void wheelEvent (QWheelEvent *event);
+  void paintEvent(QPaintEvent *event);
+  void keyPressEvent(QKeyEvent *event);
+  void resizeEvent(QResizeEvent *event);
+  void timerEvent(QTimerEvent *event);
+
+private:
+  PictureFlowPrivate* d;
+};
+
+} // namespace FQTerm
+
+#endif // PICTUREFLOW_H