| -rw-r--r-- | libqtaux/oticker.cpp | 130 | ||||
| -rw-r--r-- | libqtaux/oticker.h | 146 |
2 files changed, 276 insertions, 0 deletions
diff --git a/libqtaux/oticker.cpp b/libqtaux/oticker.cpp new file mode 100644 index 0000000..c05c2a8 --- a/dev/null +++ b/libqtaux/oticker.cpp @@ -0,0 +1,130 @@ +/* + This file is part of the Opie Project + Copyright (c) 2002 L. Potter <ljp@llornkcor.com> + =. + .=l. + .>+-= + _;:, .> :=|. This program is free software; you can +.> <`_, > . <= redistribute it and/or modify it under +:`=1 )Y*s>-.-- : the terms of the GNU General Public +.="- .-=="i, .._ License as published by the Free Software + - . .-<_> .<> Foundation; either version 2 of the License, + ._= =} : or (at your option) any later version. + .%`+i> _;_. + .i_,=:_. -<s. This program is distributed in the hope that + + . -:. = it will be useful, but WITHOUT ANY WARRANTY; + : .. .:, . . . without even the implied warranty of + =_ + =;=|` MERCHANTABILITY or FITNESS FOR A + _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU +..}^=.= = ; Library General Public License for more +++= -. .` .: details. + : = ...= . :.=- + -. .:....=;==+<; You should have received a copy of the GNU + -_. . . )=. = Library General Public License along with + -- :-=` this library; see the file COPYING.LIB. + If not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. + +*/ + +#include <qpe/config.h> + +#include <stdlib.h> +#include <stdio.h> + +#include "oticker.h" + +OTicker::OTicker( QWidget* parent ) + : QLabel( parent ) { + // : QFrame( parent ) { + setTextFormat(Qt::RichText); + Config cfg("qpe"); + cfg.setGroup("Appearance"); + backgroundcolor = QColor( cfg.readEntry( "Background", "#E5E1D5" ) ); + foregroundcolor= Qt::black; + updateTimerTime = 50; + scrollLength = 1; +} + +OTicker::~OTicker() { +} + +void OTicker::setBackgroundColor(const QColor& backcolor) { + backgroundcolor = backcolor; + update(); +} + +void OTicker::setForegroundColor(const QColor& backcolor) { + foregroundcolor = backcolor; + update(); +} + +void OTicker::setFrame(int frameStyle) { + setFrameStyle( frameStyle/*WinPanel | Sunken */); + update(); +} + +void OTicker::setText( const QString& text ) { + pos = 0; // reset it everytime the text is changed + scrollText = text; +qDebug(scrollText); + + int pixelLen = 0; + bool bigger = false; + int contWidth = contentsRect().width(); + int contHeight = contentsRect().height(); + int pixelTextLen = fontMetrics().width( text ); + printf("<<<<<<<height %d, width %d, text width %d %d\n", contHeight, contWidth, pixelTextLen, scrollText.length()); + if( pixelTextLen < contWidth) + { + pixelLen = contWidth; + } + else + { + bigger = true; + pixelLen = pixelTextLen; + } + QPixmap pm( pixelLen, contHeight); +// pm.fill( QColor( 167, 212, 167 )); + + pm.fill(backgroundcolor); + QPainter pmp( &pm ); + pmp.setPen(foregroundcolor ); + pmp.drawText( 0, 0, pixelTextLen, contHeight, AlignVCenter, scrollText ); + pmp.end(); + scrollTextPixmap = pm; + + killTimers(); + // qDebug("Scrollupdate %d", updateTimerTime); + if ( bigger /*pixelTextLen > contWidth*/ ) + startTimer( updateTimerTime); + update(); +} + + +void OTicker::timerEvent( QTimerEvent * ) { + pos = ( pos <= 0 ) ? scrollTextPixmap.width() : pos - scrollLength;//1; + repaint( FALSE ); +} + +void OTicker::drawContents( QPainter *p ) { + int pixelLen = scrollTextPixmap.width(); + p->drawPixmap( pos, contentsRect().y(), scrollTextPixmap ); + if ( pixelLen > contentsRect().width() ) // Scrolling + p->drawPixmap( pos - pixelLen, contentsRect().y(), scrollTextPixmap ); +} + +void OTicker::mouseReleaseEvent( QMouseEvent * ) { +// qDebug("<<<<<<<>>>>>>>>>"); + emit mousePressed(); +} + +void OTicker::setUpdateTime(int time) { + updateTimerTime=time; +} + +void OTicker::setScrollLength(int len) { +scrollLength=len; +} + diff --git a/libqtaux/oticker.h b/libqtaux/oticker.h new file mode 100644 index 0000000..4026eb5 --- a/dev/null +++ b/libqtaux/oticker.h @@ -0,0 +1,146 @@ +/* + This file is part of the Opie Project + Copyright (c) 2002 L. Potter <ljp@llornkcor.com> + =. + .=l. + .>+-= + _;:, .> :=|. This program is free software; you can +.> <`_, > . <= redistribute it and/or modify it under +:`=1 )Y*s>-.-- : the terms of the GNU General Public +.="- .-=="i, .._ License as published by the Free Software + - . .-<_> .<> Foundation; either version 2 of the License, + ._= =} : or (at your option) any later version. + .%`+i> _;_. + .i_,=:_. -<s. This program is distributed in the hope that + + . -:. = it will be useful, but WITHOUT ANY WARRANTY; + : .. .:, . . . without even the implied warranty of + =_ + =;=|` MERCHANTABILITY or FITNESS FOR A + _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU +..}^=.= = ; Library General Public License for more +++= -. .` .: details. + : = ...= . :.=- + -. .:....=;==+<; You should have received a copy of the GNU + -_. . . )=. = Library General Public License along with + -- :-=` this library; see the file COPYING.LIB. + If not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. + +*/ + +#ifndef OTICKER_H +#define OTICKER_H + +#include <qwidget.h> +#include <qpainter.h> +#include <qdrawutil.h> +#include <qpixmap.h> +#include <qstring.h> +#include <qslider.h> +#include <qlabel.h> +#include <qframe.h> +#include <qcolor.h> + +/** + * @class OTicker + * @brief The OTicker class provides a QLabel widget that scroll its contents + * + */ +class OTicker : public QLabel { + Q_OBJECT + +public: + +/*! + * @fn OTicker( QWidget* parent = 0 ) + * @brief Object constructor. + * + * @param parent Pointer to parent of this control. + + * Constructs a new OTicker control with parent + */ + OTicker( QWidget* parent=0 ); +/*! + * @fn ~OTicker() + * @brief Object destructor. + */ + ~OTicker(); +/*! + * @fn setText(const QString& ) + * @brief sets text to be displayed + * @param text QString text to be displayed. + * + */ + void setText( const QString& text ) ; +/*! + * @fn setBackgroundColor(const QColor& color) + * @brief sets color of the ticker's background + * @param color QColor color to be set. + * + */ + void setBackgroundColor(const QColor& color); +/*! + * @fn setForegroundColor(const QColor& color) + * @brief sets color of text + * @param color QColor color of text + * + */ + void setForegroundColor(const QColor& color); +/*! + * @fn setFrame(int style) + * @brief sets frame style + * @param style int Frame style to be see. See Qt::WidgetFlags. + * + */ + void setFrame(int style); +/*! + * @fn setUpdateTime(int timeout) + * @brief sets time of update + * @param timeout int time in milliseconds between updates. + * + */ + void setUpdateTime(int timeout); +/*! + * @fn setScrollLength(int length) + * @brief sets amount of scrolling default is 1 + * @param length int scroll length. + * + */ + void setScrollLength(int length); +signals: +/*! + * @fn mousePressed() + * @brief signal mouse press event + * + */ + void mousePressed(); +protected: +/*! + * @fn timerEvent( QTimerEvent * e) + * @brief timer timeout event + * @param e QEvent see QEvent. + * + */ + void timerEvent( QTimerEvent * e); +/*! + * @fn drawContents( QPainter *p ) + * @brief draws widget contents + * @param p QPainter. see QPainter + * + */ + void drawContents( QPainter *p ); +/*! + * @fn mouseReleaseEvent( QMouseEvent *e) + * @brief mouse release event + * @param e QMouseEvent. see QMouseEvent. + * + */ + void mouseReleaseEvent( QMouseEvent *e); +private: + QColor backgroundcolor, foregroundcolor; + QString scrollText; + QPixmap scrollTextPixmap; + int pos, updateTimerTime, scrollLength; +}; + +#endif |