Added OTicker class to libopie2

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