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tdeutils/khexedit/statusbarprogress.cc

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/*
* khexedit - Versatile hex editor
* Copyright (C) 1999 Espen Sand, espensa@online.no
* This file is based on the work by Martynas Kunigelis (KProgress)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "statusbarprogress.h"
#include <tqpainter.h>
#include <kapplication.h>
#include <kglobalsettings.h>
#include <klocale.h>
#include <tqstyle.h>
CStatusBarProgress::CStatusBarProgress( TQWidget *parent, const char *name )
: TQFrame(parent, name), TQRangeControl(0, 100, 1, 10, 0),
mOrientation(Horizontal )
{
initialize();
}
CStatusBarProgress::CStatusBarProgress( Orientation orientation,
TQWidget *parent, const char *name )
: TQFrame(parent, name), TQRangeControl(0, 100, 1, 10, 0),
mOrientation( orientation )
{
initialize();
}
CStatusBarProgress::CStatusBarProgress( int minValue, int maxValue, int value,
Orientation orientation,
TQWidget *parent, const char *name )
: TQFrame(parent, name), TQRangeControl(minValue, maxValue, 1, 10, value),
mOrientation(orientation)
{
initialize();
}
CStatusBarProgress::~CStatusBarProgress()
{
delete mBarPixmap;
}
void CStatusBarProgress::advance( int offset )
{
setValue(value() + offset);
}
void CStatusBarProgress::initialize( void )
{
mBarPixmap = 0;
mBarStyle = Solid;
mBarColor = tqpalette().active().highlight();
mBarTextColor = tqpalette().active().highlightedText();
mTextColor = tqpalette().active().text();
setBackgroundColor( tqpalette().active().background() );
TQFont font( KGlobalSettings::generalFont() );
font.setBold( true );
setFont( font );
mTextEnabled = false;
adjustStyle();
}
void CStatusBarProgress::setBarPixmap( const TQPixmap &pixmap )
{
if( pixmap.isNull() == true )
{
return;
}
delete mBarPixmap;
mBarPixmap = new TQPixmap( pixmap );
}
void CStatusBarProgress::setBarColor( const TQColor &color )
{
mBarColor = color;
delete mBarPixmap;
mBarPixmap = 0;
}
void CStatusBarProgress::setBarStyle( BarStyle style )
{
if( mBarStyle != style )
{
mBarStyle = style;
update();
}
}
void CStatusBarProgress::setOrientation( Orientation orientation )
{
if( mOrientation != orientation )
{
mOrientation = orientation;
update();
}
}
void CStatusBarProgress::setValue(int value)
{
mCurPage = mMaxPage = -1;
TQRangeControl::setValue(value);
}
void CStatusBarProgress::setValue( int curPage, int maxPage )
{
if( curPage <= 0 || maxPage <= 0 || curPage > maxPage )
{
mCurPage = mMaxPage = -1;
TQRangeControl::setValue(0);
}
else
{
mCurPage = curPage;
mMaxPage = maxPage;
float fraction = (float)curPage/(float)maxPage;
TQRangeControl::setValue( (int)(fraction*100.0) );
}
}
void CStatusBarProgress::setTextEnabled( bool state )
{
if( mTextEnabled != state )
{
mTextEnabled = state;
update();
}
}
void CStatusBarProgress::setText( const TQString &msg )
{
mMsg = msg;
if( mTextEnabled == true )
{
update();
}
}
const TQColor & CStatusBarProgress::barColor( void ) const
{
return( mBarColor );
}
const TQPixmap * CStatusBarProgress::barPixmap( void ) const
{
return( mBarPixmap );
}
bool CStatusBarProgress::textEnabled( void ) const
{
return( mTextEnabled );
}
TQSize CStatusBarProgress::sizeHint( void ) const
{
TQSize s( size() );
if( orientation() == CStatusBarProgress::Vertical )
{
s.setWidth( fontMetrics().lineSpacing() );
}
else
{
s.setHeight( fontMetrics().lineSpacing() );
}
return( s );
}
CStatusBarProgress::Orientation CStatusBarProgress::orientation( void ) const
{
return( mOrientation );
}
CStatusBarProgress::BarStyle CStatusBarProgress::barStyle() const
{
return( mBarStyle );
}
int CStatusBarProgress::recalcValue(int range)
{
int abs_value = value() - minValue();
int abs_range = maxValue() - minValue();
return range * abs_value / abs_range;
}
void CStatusBarProgress::valueChange()
{
tqrepaint(contentsRect(), FALSE);
emit percentageChanged(recalcValue(100));
}
void CStatusBarProgress::rangeChange()
{
tqrepaint(contentsRect(), FALSE);
emit percentageChanged(recalcValue(100));
}
void CStatusBarProgress::styleChange( GUIStyle )
{
adjustStyle();
}
void CStatusBarProgress::adjustStyle( void )
{
switch( tqstyle().SH_GUIStyle)
{
case WindowsStyle:
setFrameStyle( TQFrame::NoFrame );
break;
case MotifStyle:
default:
setFrameStyle( TQFrame::Panel|TQFrame::Sunken );
setLineWidth( 1 );
break;
}
update();
}
void CStatusBarProgress::paletteChange( const TQPalette & )
{
mBarColor = tqpalette().active().highlight();
mBarTextColor = tqpalette().active().highlightedText();
mTextColor = tqpalette().active().text();
setBackgroundColor( tqpalette().active().background() );
}
void CStatusBarProgress::drawText( TQPainter *p )
{
TQRect r(contentsRect());
TQString s;
if( mMsg.isEmpty() == true )
{
s = TQString("%1%").tqarg(recalcValue(100));
}
else
{
if( mCurPage > 0 )
{
s = i18n("%1... %2 of %3").tqarg(mMsg).tqarg(mCurPage).tqarg(mMaxPage);
}
else
{
s = i18n("%1... %2%").tqarg(mMsg).tqarg(recalcValue(100));
}
}
p->setPen( mTextColor );
p->drawText( r, AlignCenter, s );
p->setClipRegion( fr );
p->setPen( mBarTextColor );
p->drawText( r, AlignCenter, s );
}
void CStatusBarProgress::drawContents(TQPainter *p)
{
TQRect cr = contentsRect(), er = cr;
fr = cr;
TQBrush fb(mBarColor), eb(backgroundColor() );
if( mBarPixmap != 0 )
{
fb.setPixmap( *mBarPixmap );
}
if (backgroundPixmap())
eb.setPixmap(*backgroundPixmap());
switch( mBarStyle )
{
case Solid:
if( mOrientation ==Qt::Horizontal )
{
fr.setWidth(recalcValue(cr.width()));
er.setLeft(fr.right() + 1);
}
else
{
fr.setTop(cr.bottom() - recalcValue(cr.height()));
er.setBottom(fr.top() - 1);
}
p->setBrushOrigin(cr.topLeft());
p->fillRect(fr, fb);
p->fillRect(er, eb);
if( mTextEnabled == true )
drawText(p);
break;
case Blocked:
const int margin = 2;
int max, num, dx, dy;
if( mOrientation ==Qt::Horizontal )
{
fr.setHeight(cr.height() - 2 * margin);
fr.setWidth((int)(0.67 * fr.height()));
fr.moveTopLeft(TQPoint(cr.left() + margin, cr.top() + margin));
dx = fr.width() + margin;
dy = 0;
max = (cr.width() - margin) / (fr.width() + margin) + 1;
num = recalcValue(max);
}
else
{
fr.setWidth(cr.width() - 2 * margin);
fr.setHeight((int)(0.67 * fr.width()));
fr.moveBottomLeft(TQPoint(cr.left() + margin, cr.bottom() - margin));
dx = 0;
dy = - (fr.height() + margin);
max = (cr.height() - margin) / (fr.height() + margin) + 1;
num = recalcValue(max);
}
p->setClipRect(cr.x() + margin, cr.y() + margin,
cr.width() - margin, cr.height() - margin);
for (int i = 0; i < num; i++)
{
p->setBrushOrigin(fr.topLeft());
p->fillRect(fr, fb);
fr.moveBy(dx, dy);
}
if (num != max)
{
if( mOrientation ==Qt::Horizontal )
er.setLeft(fr.right() + 1);
else
er.setBottom(fr.bottom() + 1);
if (!er.isNull())
{
p->setBrushOrigin(cr.topLeft());
p->fillRect(er, eb);
}
}
break;
}
}
void CStatusBarProgress::mousePressEvent( TQMouseEvent */*e*/ )
{
emit pressed();
}
#include "statusbarprogress.moc"