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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kpdf/ui/thumbnaillist.h
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/***************************************************************************
+ * Copyright (C) 2004 by Albert Astals Cid <tsdgeos@terra.es> *
+ * *
+ * 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. *
+ ***************************************************************************/
+
+#ifndef _KPDF_THUMBNAILLIST_H_
+#define _KPDF_THUMBNAILLIST_H_
+
+#include <qscrollview.h>
+#include <qvaluevector.h>
+#include <qvbox.h>
+#include <ktoolbar.h>
+#include "core/observer.h"
+
+class QTimer;
+class KActionCollection;
+
+class KPDFDocument;
+class ThumbnailWidget;
+
+/**
+ * @short A scrollview that displays pages pixmaps previews (aka thumbnails).
+ *
+ * ...
+ */
+class ThumbnailList : public QScrollView, public DocumentObserver
+{
+Q_OBJECT
+ public:
+ ThumbnailList(QWidget *parent, KPDFDocument *document);
+ ~ThumbnailList();
+
+ // inherited: return thumbnails observer id
+ uint observerId() const { return THUMBNAILS_ID; }
+ // inherited: create thumbnails ( inherited as a DocumentObserver )
+ void notifySetup( const QValueVector< KPDFPage * > & pages, bool documentChanged );
+ // inherited: hilihght current thumbnail ( inherited as DocumentObserver )
+ void notifyViewportChanged( bool smoothMove );
+ // inherited: redraw thumbnail ( inherited as DocumentObserver )
+ void notifyPageChanged( int pageNumber, int changedFlags );
+ // inherited: request all visible pixmap (due to a global shange or so..)
+ void notifyContentsCleared( int changedFlags );
+ // inherited: tell if pixmap is hidden and can be unloaded
+ bool canUnloadPixmap( int pageNumber );
+
+ // redraw visible widgets (useful for refreshing contents...)
+ void updateWidgets();
+
+ // called by ThumbnailWidgets to send (forward) rightClick signals
+ void forwardRightClick( const KPDFPage *, const QPoint & );
+ // called by ThumbnailWidgets to get the overlay bookmark pixmap
+ const QPixmap * getBookmarkOverlay() const;
+
+ public slots:
+ // these are connected to ThumbnailController buttons
+ void slotFilterBookmarks( bool filterOn );
+
+ protected:
+ // scroll up/down the view
+ void keyPressEvent( QKeyEvent * e );
+
+ // select a thumbnail by clicking on it
+ void contentsMousePressEvent( QMouseEvent * );
+
+ // resize thumbnails to fit the width
+ void viewportResizeEvent( QResizeEvent * );
+
+ // file drop related events (an url may be dropped even here)
+ void dragEnterEvent( QDragEnterEvent* );
+ void dropEvent( QDropEvent* );
+
+ signals:
+ void urlDropped( const KURL& );
+ void rightClick( const KPDFPage *, const QPoint & );
+
+ private:
+ void delayedRequestVisiblePixmaps( int delayMs = 0 );
+ KPDFDocument *m_document;
+ ThumbnailWidget *m_selected;
+ QTimer *m_delayTimer;
+ QPixmap *m_bookmarkOverlay;
+ QValueVector<ThumbnailWidget *> m_thumbnails;
+ QValueList<ThumbnailWidget *> m_visibleThumbnails;
+ int m_vectorIndex;
+
+ private slots:
+ // make requests for generating pixmaps for visible thumbnails
+ void slotRequestVisiblePixmaps( int newContentsX = -1, int newContentsY = -1 );
+ // delay timeout: resize overlays and requests pixmaps
+ void slotDelayTimeout();
+};
+
+/**
+ * @short A vertical boxed container with zero size hint (for insertion on left toolbox)
+ */
+class ThumbnailsBox : public QVBox
+{
+ public:
+ ThumbnailsBox( QWidget * parent ) : QVBox( parent ) {};
+ QSize sizeHint() const { return QSize(); }
+};
+
+/**
+ * @short A toolbar thar set ThumbnailList properties when clicking on items
+ *
+ * This class is the small tolbar that resides in the bottom of the
+ * ThumbnailsBox container (below ThumbnailList and the SearchLine) and
+ * emits signals whenever a button is pressed. A click action results
+ * in invoking some method (or slot) in ThumbnailList.
+ */
+class ThumbnailController : public KToolBar
+{
+ public:
+ ThumbnailController( QWidget * parent, ThumbnailList * thumbnailList );
+};
+
+#endif