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/*****************************************************************
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Copyright (c) 1996-2000 the kicker authors. See file AUTHORS.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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******************************************************************/
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#ifndef __panner_h__
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#define __panner_h__
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#include <tqwidget.h>
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#include "simplebutton.h"
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class TQBoxLayout;
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class TQTimer;
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class TDE_EXPORT Panner : public TQWidget
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{
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TQ_OBJECT
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public:
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Panner( TQWidget* parent, const char* name = 0 );
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~Panner();
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TQSize minimumSizeHint() const { return TQWidget::minimumSizeHint(); }
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TQt::Orientation orientation() const { return _orient; }
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virtual void setOrientation(TQt::Orientation orientation);
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TQWidget *viewport() const { return _viewport; }
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TQRect contentsRect() const { return TQRect(0, 0, width(), height()); }
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int contentsX() const { return _viewport ? -_viewport->x() : 0; }
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int contentsY() const { return _viewport ? -_viewport->y() : 0; }
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int contentsWidth() const { return _viewport ? _viewport->width() : 0; }
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int contentsHeight() const { return _viewport ? _viewport->height() : 0; }
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void setContentsPos(int x, int y);
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int visibleWidth() const { return _clipper->width(); }
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int visibleHeight() const { return _clipper->height(); }
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void contentsToViewport( int x, int y, int& vx, int& vy ) const;
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void viewportToContents( int vx, int vy, int& x, int& y ) const;
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TQPoint contentsToViewport( const TQPoint& ) const;
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TQPoint viewportToContents( const TQPoint& ) const;
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void addChild(TQWidget *child) { child->show(); }
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void removeChild(TQWidget *child) { child->hide(); }
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int childX(TQWidget *child) const { return child->x(); }
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int childY(TQWidget *child) const { return child->y(); }
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void moveChild(TQWidget *child, int x, int y) { child->move(x, y); }
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void ensureVisible( int x, int y );
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void ensureVisible( int x, int y, int xmargin, int ymargin );
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public slots:
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virtual void resizeContents( int w, int h );
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void startScrollRightDown();
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void startScrollLeftUp();
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void stopScroll();
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void scrollRightDown();
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void scrollLeftUp();
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void reallyUpdateScrollButtons();
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void scrollBy(int dx, int dy);
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signals:
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void contentsMoving(int x, int y);
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protected:
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virtual bool eventFilter( TQObject *obj, TQEvent *e );
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virtual void resizeEvent(TQResizeEvent *ev);
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virtual void viewportResizeEvent( TQResizeEvent* );
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virtual void viewportMousePressEvent( TQMouseEvent* );
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virtual void viewportMouseReleaseEvent( TQMouseEvent* );
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virtual void viewportMouseDoubleClickEvent( TQMouseEvent* );
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virtual void viewportMouseMoveEvent( TQMouseEvent* );
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private:
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void setupButtons();
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void createScrollButtons();
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void updateScrollButtons();
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Orientation _orient;
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TQBoxLayout *_layout;
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SimpleArrowButton *_luSB; // Left Scroll Button
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SimpleArrowButton *_rdSB; // Right Scroll Button
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TQTimer *_updateScrollButtonsTimer;
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TQTimer *_scrollTimer;
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TQWidget *_clipper;
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TQWidget *_viewport;
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int _cwidth, _cheight;
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int _cx, _cy;
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int _step;
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};
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#endif
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