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tdeutils/khexedit/fileinfodialog.cc

331 lines
8.6 KiB

/*
* khexedit - Versatile hex editor
* Copyright (C) 1999 Espen Sand, espensa@online.no
*
* 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 <tqheader.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <kglobalsettings.h>
#include <kglobal.h>
#include <klocale.h>
#include "fileinfodialog.h"
#include "listview.h"
// quick'n'dirty hack to have the occurrence column sorted correctly
class CStatisticListViewItem : public TQListViewItem
{
public:
CStatisticListViewItem( TQListView * parent, TQListViewItem * after,
TQString label1, TQString label2, TQString label3, TQString label4,
TQString label5, TQString label6, TQString label7, int i, int o)
: TQListViewItem( parent, after, label1, label2, label3, label4, label5, label6, label7),
item( i ),
occurrence( o )
{}
virtual int compare( TQListViewItem *i, int col, bool ascending/*TQt doc says: ignore this one*/ ) const
{
// occurrence column (or the percent one)?
if( col == 5 || col == 6 )
{
const int otherOccurrence = ((CStatisticListViewItem*)i)->occurrence;
return occurrence < otherOccurrence ? -1 : occurrence == otherOccurrence ? 0 : 1;
}
// char column?
else if( col == 4 )
{
const int otherItem = ((CStatisticListViewItem*)i)->item;
return item < otherItem ? -1 : item == otherItem ? 0 : 1;
}
// default
else
return TQListViewItem::compare(i,col,ascending);
}
protected:
// no of byte
int item;
// number of the byte's occurrence
int occurrence;
};
CFileInfoDialog::CFileInfoDialog( TQWidget *parent,const char *name,bool modal)
:KDialogBase( Plain, i18n("Statistics"), Help|User1|Cancel, User1,
parent, name, modal, true, i18n("&Update") ),
mBusy(false), mDirty(false)
{
setHelp( "khexedit/khexedit.html", TQString() );
TQString text;
TQVBoxLayout *topLayout = new TQVBoxLayout( plainPage(), 0, spacingHint() );
if( topLayout == 0 ) { return; }
TQGridLayout *gbox = new TQGridLayout( 2, 2, spacingHint() );
if( gbox == 0 ) { return; }
topLayout->addLayout( gbox );
gbox->setColStretch( 1, 10 );
text = i18n("File name: ");
TQLabel *label = new TQLabel( text, plainPage() );
gbox->addWidget( label, 0, 0 );
text = i18n("Size [bytes]: ");
label = new TQLabel( text, plainPage() );
gbox->addWidget( label, 1, 0 );
mFileNameLabel = new TQLabel( plainPage() );
mFileSizeLabel = new TQLabel( plainPage() );
gbox->addWidget( mFileNameLabel, 0, 1 );
gbox->addWidget( mFileSizeLabel, 1, 1 );
mFrequencyList = new CListView( plainPage(), "stringList" );
mFrequencyList->setFont( KGlobalSettings::fixedFont() );
mFrequencyList->addColumn( i18n("Hexadecimal") );
mFrequencyList->addColumn( i18n("Decimal") );
mFrequencyList->addColumn( i18n("Octal") );
mFrequencyList->addColumn( i18n("Binary") );
mFrequencyList->addColumn( i18n("Text") );
mFrequencyList->addColumn( i18n("Occurrence") );
mFrequencyList->addColumn( i18n("Percent") );
mFrequencyList->setAllColumnsShowFocus( true );
mFrequencyList->setFrameStyle( TQFrame::WinPanel + TQFrame::Sunken );
topLayout->addWidget( mFrequencyList, 10 );
mDirtyLabel = new TQLabel( plainPage() );
mDirtyLabel->setFixedHeight( fontMetrics().height() );
topLayout->addWidget( mDirtyLabel );
setStatistics();
setColumnWidth();
mFrequencyList->setVisibleItem( 15 );
//
// Load the first set of data when this timer expires. I do it this
// way so that the dialog will be visible when the load operation starts.
//
startTimer( 0 );
}
CFileInfoDialog::~CFileInfoDialog( void )
{
}
void CFileInfoDialog::slotUser1( void ) // Update
{
if( mBusy )
return;
SStatisticControl *sc = new SStatisticControl;
if( sc == 0 ) { return; }
mBusy = true;
emit collectStatistic( *sc );
mBusy = false;
delete sc;
}
void CFileInfoDialog::setDirty( void )
{
if( mDirty )
return;
mDirtyLabel->setText(
i18n("Warning: Document has been modified since last update"));
mDirty = true;
}
void CFileInfoDialog::setClean( void )
{
if( !mDirty )
return;
mDirtyLabel->setText("");
mDirty = false;
}
const char *printBin( uint val )
{
static char buf[9];
for( int i = 0; i < 8; i++ )
buf[7-i] = (val&(1<<i)) ? '1' : '0';
buf[8] = 0;
return( buf );
}
void CFileInfoDialog::setStatistics() // Default
{
setClean();
mFrequencyList->clear();
mFileNameLabel->clear();
mFileSizeLabel->clear();
static const TQString u("?");
TQString d, h, o, b, c;
TQListViewItem *item = 0;
char buf[10];
memset( buf, 0, sizeof( buf ) );
for( uint i=0; i<256; i++ )
{
h.sprintf("0x%02x", i );
d.sprintf("%03d", i );
o.sprintf("%03o", i );
b.sprintf("%s", printBin(i) );
const TQChar _i((char)i);
c = _i.isPrint() ? _i : TQChar('.');
item = new CStatisticListViewItem( mFrequencyList, item, h, d, o, b, c, u, u, i, -1 );
if( i == 0 )
mFrequencyList->setSelected( item, true );
}
}
void CFileInfoDialog::setStatistics( SStatisticControl &sc )
{
setClean();
mFrequencyList->clear();
mFileNameLabel->setText( sc.documentName );
mFileSizeLabel->setText( KGlobal::locale()->formatNumber(sc.documentSize, 0) );
TQString d, h, o, b, c, n, p;
TQListViewItem *item = 0;
uint size, pre, i;
// find width of occurrence
for( i=size=0; i<256; i++ )
if( sc.occurrence[i] > size )
size = sc.occurrence[i];
for( pre = 1; size > 0 ; pre++ )
size /= 10;
for( i=0; i<256; i++ )
{
h.sprintf("0x%02x", i );
d.sprintf("%03d", i );
o.sprintf("%03o", i );
b.sprintf("%s", printBin(i) );
n = TQString("%1").arg( sc.occurrence[i], pre );
if( sc.documentSize == 0 )
p = "0.00";
else
{
double val = 100.0*((double)sc.occurrence[i]/(double)sc.documentSize);
p = TQString("%1").arg( val, 6, 'f', 2 );
}
const TQChar _i((char)i);
c = _i.isPrint() ? _i : TQChar('.');
item = new CStatisticListViewItem( mFrequencyList, item, h, d, o, b, c, n, p, i, sc.occurrence[i] );
if( i == 0 )
mFrequencyList->setSelected( item, true );
}
}
void CFileInfoDialog::setColumnWidth( void )
{
const TQFontMetrics &fm = mFrequencyList->fontMetrics();
int w0, w1, w2, w3, w4;
w0 = -fm.minLeftBearing() - fm.minRightBearing() + 8 + fm.maxWidth();
w3 = 0;
w1 = fm.width( mFrequencyList->header()->label(0) ) + w0;
w2 = fm.width('0')*6;
w3 += w1 > w2 ? w1 : w2;
mFrequencyList->setColumnWidth( 0, w1 > w2 ? w1 : w2 );
w1 = fm.boundingRect( mFrequencyList->header()->label(1) ).width() + w0;
w2 = fm.width('0')*5;
w3 += w1 > w2 ? w1 : w2;
mFrequencyList->setColumnWidth( 1, w1 > w2 ? w1 : w2 );
w1 = fm.boundingRect( mFrequencyList->header()->label(2) ).width() + w0;
w2 = fm.width('0')*5;
w3 += w1 > w2 ? w1 : w2;
mFrequencyList->setColumnWidth( 2, w1 > w2 ? w1 : w2 );
w1 = fm.boundingRect( mFrequencyList->header()->label(3) ).width() + w0;
w2 = fm.width('0')*10;
w3 += w1 > w2 ? w1 : w2;
mFrequencyList->setColumnWidth( 3, w1 > w2 ? w1 : w2 );
w1 = fm.boundingRect( mFrequencyList->header()->label(4) ).width() + w0;
w2 = fm.width('0')*3;
w3 += w1 > w2 ? w1 : w2;
mFrequencyList->setColumnWidth( 4, w1 > w2 ? w1 : w2 );
w1 = fm.boundingRect( mFrequencyList->header()->label(5) ).width() + w0;
w2 = fm.width('0')*10;
w3 += w1 > w2 ? w1 : w2;
mFrequencyList->setColumnWidth( 5, w1 > w2 ? w1 : w2 );
w4 = mFrequencyList->viewport()->width() - w3;
w1 = fm.boundingRect( mFrequencyList->header()->label(6) ).width() + w0;
w2 = fm.width('0')*3;
w1 = w1 > w2 ? w1 : w2;
mFrequencyList->setColumnWidth( 6, w1 > w4 ? w1 : w4 );
}
void CFileInfoDialog::resizeEvent( TQResizeEvent * )
{
setColumnWidth();
}
void CFileInfoDialog::showEvent( TQShowEvent *e )
{
KDialogBase::showEvent(e);
setColumnWidth();
mFrequencyList->setFocus();
}
void CFileInfoDialog::timerEvent( TQTimerEvent * )
{
TQT_TQOBJECT(this)->killTimers();
slotUser1();
}
#include "fileinfodialog.moc"