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151 lines
5.9 KiB
151 lines
5.9 KiB
/***************************************************************************
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* Copyright (C) 2004 by Enrico Ros <eros.kde@email.it> *
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* Copyright (C) 2004 by Albert Astals Cid <tsdgeos@terra.es> *
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* *
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* With portions of code from kpdf/kpdf_pagewidget.h by: *
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* Copyright (C) 2002 by Wilco Greven <greven@kde.org> *
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* Copyright (C) 2003 by Christophe Devriese *
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* <Christophe.Devriese@student.kuleuven.ac.be> *
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* Copyright (C) 2003 by Laurent Montel <montel@kde.org> *
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* Copyright (C) 2003 by Kurt Pfeifle <kpfeifle@danka.de> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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// This file follows coding style described in kdebase/kicker/HACKING
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#ifndef _KPDF_PAGEVIEW_H_
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#define _KPDF_PAGEVIEW_H_
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#include <tqscrollview.h>
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#include <tqvaluevector.h>
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#include "core/observer.h"
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class KURL;
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class KActionCollection;
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class KPDFDocument;
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class PageViewItem;
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class PageViewPrivate;
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class PageViewTip;
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/**
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* @short The main view. Handles zoom and continuous mode.. oh, and page
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* @short display of course :-)
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* ...
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*/
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class PageView : public TQScrollView, public DocumentObserver
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{
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Q_OBJECT
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friend class PageViewTip;
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public:
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PageView( TQWidget *parent, KPDFDocument *document );
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~PageView();
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// Zoom mode ( last 4 are internally used only! )
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enum ZoomMode { ZoomFixed, ZoomFitWidth, ZoomFitPage, ZoomFitText,
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ZoomIn, ZoomOut, ZoomRefreshCurrent };
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enum MouseMode { MouseNormal, MouseZoom, MouseSelect, MouseEdit };
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// create actions that interact with this widget
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void setupActions( KActionCollection * collection );
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// used from RMB menu
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bool canFitPageWidth();
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void fitPageWidth( int page );
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// inherited from DocumentObserver
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uint observerId() const { return PAGEVIEW_ID; }
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void notifySetup( const TQValueVector< KPDFPage * > & pages, bool documentChanged );
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void notifyViewportChanged( bool smoothMove );
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void notifyPageChanged( int pageNumber, int changedFlags );
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void notifyContentsCleared( int changedFlags );
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bool canUnloadPixmap( int pageNum );
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void showText( const TQString &text, int ms );
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signals:
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void urlDropped( const KURL& );
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void rightClick( const KPDFPage *, const TQPoint & );
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protected:
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// main draw loop, draws pageViews on viewport
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void viewportPaintEvent( TQPaintEvent * pe );
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void viewportResizeEvent( TQResizeEvent* );
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// mouse / keyboard events
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void keyPressEvent( TQKeyEvent* );
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void imEndEvent( TQIMEvent * );
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void contentsMouseMoveEvent( TQMouseEvent* );
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void contentsMousePressEvent( TQMouseEvent* );
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void contentsMouseReleaseEvent( TQMouseEvent* );
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void wheelEvent( TQWheelEvent* );
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// drag and drop related events
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void dragEnterEvent( TQDragEnterEvent* );
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void dropEvent( TQDropEvent* );
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private:
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// draw items on the opened qpainter
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void paintItems( TQPainter * p, const TQRect & clipRect );
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// update item width and height using current zoom parameters
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void updateItemSize( PageViewItem * item, int columnWidth, int rowHeight );
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// return the widget placed on a certain point or 0 if clicking on empty space
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PageViewItem * pickItemOnPoint( int x, int y );
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// start / modify / clear selection rectangle
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void selectionStart( int x, int y, const TQColor & color, bool aboveAll = false );
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void selectionEndPoint( int x, int y );
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void selectionClear();
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// update internal zoom values and end in a slotRelayoutPages();
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void updateZoom( ZoomMode newZm );
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// update the text on the label using global zoom value or current page's one
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void updateZoomText();
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// updates cursor
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void updateCursor( const TQPoint &p );
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// does the type ahead search
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void doTypeAheadSearch();
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// don't want to expose classes in here
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class PageViewPrivate * d;
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private slots:
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// activated either directly or via TQTimer on the viewportResizeEvent
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void slotRelayoutPages();
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// activated either directly or via the contentsMoving(int,int) signal
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void slotRequestVisiblePixmaps( int left = -1, int top = -1 );
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// activated by the viewport move timer
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void slotMoveViewport();
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// activated by the autoscroll timer (Shift+Up/Down keys)
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void slotAutoScoll();
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// activated by the dragScroll timer
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void slotDragScroll();
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// type-ahead find timeout
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void findAheadStop();
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// show the welcome message
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void slotShowWelcome();
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// connected to local actions (toolbar, menu, ..)
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void slotZoom();
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void slotZoomIn();
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void slotZoomOut();
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void slotFitToWidthToggled( bool );
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void slotFitToPageToggled( bool );
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void slotFitToTextToggled( bool );
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void slotRotateRight();
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void slotRotateLeft();
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void slotTwoPagesToggled( bool );
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void slotContinuousToggled( bool );
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void slotSetMouseNormal();
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void slotSetMouseZoom();
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void slotSetMouseSelect();
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void slotSetMouseDraw();
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void slotScrollUp();
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void slotScrollDown();
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};
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#endif
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