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104 lines
2.5 KiB
104 lines
2.5 KiB
/*
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* newsscroller.h
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*
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* Copyright (c) 2000, 2001 Frerich Raabe <raabe@kde.org>
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* Copyright (c) 2001 Malte Starostik <malte@kde.org>
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. For licensing and distribution details, check the
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* accompanying file 'COPYING'.
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*/
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#ifndef NEWSSCROLLER_H
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#define NEWSSCROLLER_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "configaccess.h"
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#include "newsengine.h"
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#include <tqframe.h>
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#include <tqptrlist.h>
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#include <tqpixmap.h>
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class TQTimer;
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class Headline;
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template <class> class TQPtrList;
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typedef TQPtrList<Headline> HeadlineList;
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class NewsScroller : public TQFrame
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{
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TQ_OBJECT
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public:
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NewsScroller(TQWidget *, ConfigAccess *, const char * = 0);
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virtual TQSize sizeHint() const;
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virtual TQSizePolicy sizePolicy() const;
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// Convenience stuff. Somehow ugly, no?
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inline bool horizontal() const
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{
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return m_cfg->horizontal(static_cast<ConfigAccess::Direction>(m_cfg->scrollingDirection()));
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}
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inline bool vertical() const
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{
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return m_cfg->vertical(static_cast<ConfigAccess::Direction>(m_cfg->scrollingDirection()));
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}
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inline bool rotated() const
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{
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return m_cfg->rotated(static_cast<ConfigAccess::Direction>(m_cfg->scrollingDirection()));
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}
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public slots:
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void clear();
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void addHeadline(Article::Ptr);
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void reset(bool bSeparatorOnly = false);
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signals:
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void contextMenu();
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protected:
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virtual void enterEvent(TQEvent *);
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virtual void mousePressEvent(TQMouseEvent *);
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virtual void mouseReleaseEvent(TQMouseEvent *);
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virtual void mouseMoveEvent(TQMouseEvent *);
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virtual void wheelEvent(TQWheelEvent *);
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virtual void leaveEvent(TQEvent *);
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virtual void drawContents(TQPainter *);
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virtual void dragEnterEvent( TQDragEnterEvent *);
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virtual void dropEvent(TQDropEvent *);
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protected slots:
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void scroll(int = 1, bool = true);
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void slotTimeout();
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private:
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int scrollWidth() const;
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int scrollHeight() const;
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bool updateActive(const TQPoint &);
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bool isHeadline(const TQString &) const;
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int speedAsInterval( int speed );
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private:
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friend class Headline;
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ConfigAccess *m_cfg;
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TQTimer *m_scrollTimer;
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mutable HeadlineList m_headlines;
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Headline *m_activeHeadline;
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TQPixmap m_separator;
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int m_offset;
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TQPoint m_dragPos;
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bool m_mouseDrag;
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TQString m_tempHeadline;
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float m_totalStepping;
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float m_stepping;
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};
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#endif // NEWSSCROLLER_H
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