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-rw-r--r--khexedit/fileinfodialog.cc330
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diff --git a/khexedit/fileinfodialog.cc b/khexedit/fileinfodialog.cc
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+/*
+ * 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 <qheader.h>
+#include <qlabel.h>
+#include <qlayout.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 QListViewItem
+{
+ public:
+ CStatisticListViewItem( QListView * parent, QListViewItem * after,
+ QString label1, QString label2, QString label3, QString label4,
+ QString label5, QString label6, QString label7, int i, int o)
+ : QListViewItem( parent, after, label1, label2, label3, label4, label5, label6, label7),
+ item( i ),
+ occurrence( o )
+ {}
+
+ virtual int compare( QListViewItem *i, int col, bool ascending/*Qt 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 QListViewItem::compare(i,col,ascending);
+ }
+
+ protected:
+ // no of byte
+ int item;
+ // number of the byte's occurrence
+ int occurrence;
+};
+
+
+
+CFileInfoDialog::CFileInfoDialog( QWidget *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", QString::null );
+
+ QString text;
+ QVBoxLayout *topLayout = new QVBoxLayout( plainPage(), 0, spacingHint() );
+ if( topLayout == 0 ) { return; }
+
+
+ QGridLayout *gbox = new QGridLayout( 2, 2, spacingHint() );
+ if( gbox == 0 ) { return; }
+ topLayout->addLayout( gbox );
+ gbox->setColStretch( 1, 10 );
+
+ text = i18n("File name: ");
+ QLabel *label = new QLabel( text, plainPage() );
+ gbox->addWidget( label, 0, 0 );
+
+ text = i18n("Size [bytes]: ");
+ label = new QLabel( text, plainPage() );
+ gbox->addWidget( label, 1, 0 );
+
+ mFileNameLabel = new QLabel( plainPage() );
+ mFileSizeLabel = new QLabel( 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( QFrame::WinPanel + QFrame::Sunken );
+ topLayout->addWidget( mFrequencyList, 10 );
+
+ mDirtyLabel = new QLabel( 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 QString u("?");
+ QString d, h, o, b, c;
+ QListViewItem *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 QChar _i((char)i);
+ c = _i.isPrint() ? _i : QChar('.');
+
+ 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) );
+
+ QString d, h, o, b, c, n, p;
+ QListViewItem *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 = QString("%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 = QString("%1").arg( val, 6, 'f', 2 );
+ }
+
+ const QChar _i((char)i);
+ c = _i.isPrint() ? _i : QChar('.');
+
+ 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 QFontMetrics &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( QResizeEvent * )
+{
+ setColumnWidth();
+}
+
+
+void CFileInfoDialog::showEvent( QShowEvent *e )
+{
+ KDialogBase::showEvent(e);
+ setColumnWidth();
+ mFrequencyList->setFocus();
+}
+
+
+void CFileInfoDialog::timerEvent( QTimerEvent * )
+{
+ killTimers();
+ slotUser1();
+}
+
+
+
+#include "fileinfodialog.moc"
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