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Diffstat (limited to 'kicker/libkicker/panner.h')
-rw-r--r-- | kicker/libkicker/panner.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/kicker/libkicker/panner.h b/kicker/libkicker/panner.h new file mode 100644 index 000000000..6657c9a76 --- /dev/null +++ b/kicker/libkicker/panner.h @@ -0,0 +1,115 @@ +/***************************************************************** + +Copyright (c) 1996-2000 the kicker authors. See file AUTHORS. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +******************************************************************/ + +#ifndef __panner_h__ +#define __panner_h__ + +#include <qwidget.h> + +#include "simplebutton.h" + +class QBoxLayout; +class QTimer; + +class KDE_EXPORT Panner : public QWidget +{ + Q_OBJECT + +public: + Panner( QWidget* parent, const char* name = 0 ); + ~Panner(); + + QSize minimumSizeHint() const { return QWidget::minimumSizeHint(); } + + Qt::Orientation orientation() const { return _orient; } + virtual void setOrientation(Orientation orientation); + + QWidget *viewport() const { return _viewport; } + + QRect contentsRect() const { return QRect(0, 0, width(), height()); } + + int contentsX() const { return _viewport ? -_viewport->x() : 0; } + int contentsY() const { return _viewport ? -_viewport->y() : 0; } + int contentsWidth() const { return _viewport ? _viewport->width() : 0; } + int contentsHeight() const { return _viewport ? _viewport->height() : 0; } + void setContentsPos(int x, int y); + + int visibleWidth() const { return _clipper->width(); } + int visibleHeight() const { return _clipper->height(); } + + void contentsToViewport( int x, int y, int& vx, int& vy ) const; + void viewportToContents( int vx, int vy, int& x, int& y ) const; + QPoint contentsToViewport( const QPoint& ) const; + QPoint viewportToContents( const QPoint& ) const; + + void addChild(QWidget *child) { child->show(); } + void removeChild(QWidget *child) { child->hide(); } + int childX(QWidget *child) const { return child->x(); } + int childY(QWidget *child) const { return child->y(); } + void moveChild(QWidget *child, int x, int y) { child->move(x, y); } + + void ensureVisible( int x, int y ); + void ensureVisible( int x, int y, int xmargin, int ymargin ); + +public slots: + virtual void resizeContents( int w, int h ); + void startScrollRightDown(); + void startScrollLeftUp(); + void stopScroll(); + void scrollRightDown(); + void scrollLeftUp(); + void reallyUpdateScrollButtons(); + void scrollBy(int dx, int dy); + +signals: + void contentsMoving(int x, int y); + +protected: + virtual bool eventFilter( QObject *obj, QEvent *e ); + virtual void resizeEvent(QResizeEvent *ev); + virtual void viewportResizeEvent( QResizeEvent* ); + virtual void viewportMousePressEvent( QMouseEvent* ); + virtual void viewportMouseReleaseEvent( QMouseEvent* ); + virtual void viewportMouseDoubleClickEvent( QMouseEvent* ); + virtual void viewportMouseMoveEvent( QMouseEvent* ); + +private: + void setupButtons(); + void createScrollButtons(); + void updateScrollButtons(); + + Orientation _orient; + QBoxLayout *_layout; + SimpleArrowButton *_luSB; // Left Scroll Button + SimpleArrowButton *_rdSB; // Right Scroll Button + QTimer *_updateScrollButtonsTimer; + QTimer *_scrollTimer; + + QWidget *_clipper; + QWidget *_viewport; + int _cwidth, _cheight; + int _cx, _cy; + int _step; +}; + +#endif |