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

1 files changed, 148 insertions, 0 deletions

diff --git a/kpdf/ui/pageview.h b/kpdf/ui/pageview.h
new file mode 100644
index 00000000..f6e40991
--- /dev/null
+++ b/kpdf/ui/pageview.h
@@ -0,0 +1,148 @@
+/***************************************************************************
+ *   Copyright (C) 2004 by Enrico Ros <eros.kde@email.it>                  *
+ *   Copyright (C) 2004 by Albert Astals Cid <tsdgeos@terra.es>            *
+ *                                                                         *
+ *   With portions of code from kpdf/kpdf_pagewidget.h by:                 *
+ *     Copyright (C) 2002 by Wilco Greven <greven@kde.org>                 *
+ *     Copyright (C) 2003 by Christophe Devriese                           *
+ *                           <Christophe.Devriese@student.kuleuven.ac.be>  *
+ *     Copyright (C) 2003 by Laurent Montel <montel@kde.org>               *
+ *     Copyright (C) 2003 by Kurt Pfeifle <kpfeifle@danka.de>              *
+ *                                                                         *
+ *   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 file follows coding style described in kdebase/kicker/HACKING
+
+#ifndef _KPDF_PAGEVIEW_H_
+#define _KPDF_PAGEVIEW_H_
+
+#include <qscrollview.h>
+#include <qvaluevector.h>
+#include "core/observer.h"
+
+class KURL;
+class KActionCollection;
+
+class KPDFDocument;
+class PageViewItem;
+class PageViewPrivate;
+class PageViewTip;
+
+/**
+ * @short The main view. Handles zoom and continuous mode.. oh, and page
+ * @short display of course :-)
+ * ...
+ */
+class PageView : public QScrollView, public DocumentObserver
+{
+    Q_OBJECT
+
+        friend class PageViewTip;
+
+    public:
+        PageView( QWidget *parent, KPDFDocument *document );
+        ~PageView();
+
+        // Zoom mode ( last 4 are internally used only! )
+        enum ZoomMode { ZoomFixed, ZoomFitWidth, ZoomFitPage, ZoomFitText,
+                        ZoomIn, ZoomOut, ZoomRefreshCurrent };
+        enum MouseMode { MouseNormal, MouseZoom, MouseSelect, MouseEdit };
+
+        // create actions that interact with this widget
+        void setupActions( KActionCollection * collection );
+
+        // used from RMB menu
+        bool canFitPageWidth();
+        void fitPageWidth( int page );
+
+        // inherited from DocumentObserver
+        uint observerId() const { return PAGEVIEW_ID; }
+        void notifySetup( const QValueVector< KPDFPage * > & pages, bool documentChanged );
+        void notifyViewportChanged( bool smoothMove );
+        void notifyPageChanged( int pageNumber, int changedFlags );
+        void notifyContentsCleared( int changedFlags );
+        bool canUnloadPixmap( int pageNum );
+
+        void showText( const QString &text, int ms );
+
+    signals:
+        void urlDropped( const KURL& );
+        void rightClick( const KPDFPage *, const QPoint & );
+
+    protected:
+        // main draw loop, draws pageViews on viewport
+        void viewportPaintEvent( QPaintEvent * pe );
+        void viewportResizeEvent( QResizeEvent* );
+
+        // mouse / keyboard events
+        void keyPressEvent( QKeyEvent* );
+        void imEndEvent( QIMEvent * );
+        void contentsMouseMoveEvent( QMouseEvent* );
+        void contentsMousePressEvent( QMouseEvent* );
+        void contentsMouseReleaseEvent( QMouseEvent* );
+        void wheelEvent( QWheelEvent* );
+
+        // drag and drop related events
+        void dragEnterEvent( QDragEnterEvent* );
+        void dropEvent( QDropEvent* );
+
+    private:
+        // draw items on the opened qpainter
+        void paintItems( QPainter * p, const QRect & clipRect );
+        // update item width and height using current zoom parameters
+        void updateItemSize( PageViewItem * item, int columnWidth, int rowHeight );
+        // return the widget placed on a certain point or 0 if clicking on empty space
+        PageViewItem * pickItemOnPoint( int x, int y );
+        // start / modify / clear selection rectangle
+        void selectionStart( int x, int y, const QColor & color, bool aboveAll = false );
+        void selectionEndPoint( int x, int y );
+        void selectionClear();
+        // update internal zoom values and end in a slotRelayoutPages();
+        void updateZoom( ZoomMode newZm );
+        // update the text on the label using global zoom value or current page's one
+        void updateZoomText();
+        // updates cursor
+        void updateCursor( const QPoint &p );
+        // does the type ahead search
+        void doTypeAheadSearch();
+
+        // don't want to expose classes in here
+        class PageViewPrivate * d;
+
+    private slots:
+        // activated either directly or via QTimer on the viewportResizeEvent
+        void slotRelayoutPages();
+        // activated either directly or via the contentsMoving(int,int) signal
+        void slotRequestVisiblePixmaps( int left = -1, int top = -1 );
+        // activated by the viewport move timer
+        void slotMoveViewport();
+        // activated by the autoscroll timer (Shift+Up/Down keys)
+        void slotAutoScoll();
+        // activated by the dragScroll timer
+        void slotDragScroll();
+        // type-ahead find timeout
+        void findAheadStop();
+        // show the welcome message
+        void slotShowWelcome();
+
+        // connected to local actions (toolbar, menu, ..)
+        void slotZoom();
+        void slotZoomIn();
+        void slotZoomOut();
+        void slotFitToWidthToggled( bool );
+        void slotFitToPageToggled( bool );
+        void slotFitToTextToggled( bool );
+        void slotTwoPagesToggled( bool );
+        void slotContinuousToggled( bool );
+        void slotSetMouseNormal();
+        void slotSetMouseZoom();
+        void slotSetMouseSelect();
+        void slotSetMouseDraw();
+        void slotScrollUp();
+        void slotScrollDown();
+};
+
+#endif