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417 lines
11 KiB
417 lines
11 KiB
/*
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* khexedit - Versatile hex editor
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* Copyright (C) 1999 Espen Sand, espensa@online.no
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include <kdialog.h>
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#include <klocale.h>
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#include "hextoolwidget.h"
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#include <tqlabel.h>
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#include <tqlayout.h>
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#include <tqlineedit.h>
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#include <tqcheckbox.h>
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#include <tqcombobox.h>
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CHexToolWidget::CHexToolWidget( TQWidget *parent, const char *name )
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: TQFrame( parent, name )
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{
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setFrameStyle( TQFrame::Panel | TQFrame::Raised );
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setLineWidth( 1 );
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TQString text;
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mUtilBox = new TQGridLayout( this, 5, 4, KDialog::marginHint(), KDialog::spacingHint() );
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mUtilBox->setColStretch( 3, 10 );
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TQString msg1[4] =
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{
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i18n("Signed 8 bit:"), i18n("Unsigned 8 bit:"),
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i18n("Signed 16 bit:"), i18n("Unsigned 16 bit:")
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};
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TQString msg2[4] =
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{
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i18n("Signed 32 bit:"), i18n("Unsigned 32 bit:"),
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i18n("32 bit float:"), i18n("64 bit float:")
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};
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TQString msg3[4] =
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{
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i18n("Hexadecimal:"), i18n("Octal:"),
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i18n("Binary:"), i18n("Text:")
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};
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TQGridLayout *ValuesBox = new TQGridLayout( this, 4, 6, 0, KDialog::spacingHint() );
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ValuesBox->setColStretch( 2, 10 );
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ValuesBox->setColStretch( 5, 10 );
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for( int i=0; i<4; i++ )
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{
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TQLabel *Label = new TQLabel( msg1[i], this );
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Label->tqsetAlignment( AlignRight|AlignVCenter );
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ValuesBox->addWidget( Label, i, 0 );
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mText1[i] = new TQLineEdit( this );
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mText1[i]->setReadOnly( true );
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mText1[i]->tqsetAlignment( AlignRight );
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ValuesBox->addWidget( mText1[i], i, 1 );
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Label = new TQLabel( msg2[i], this );
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Label->tqsetAlignment( AlignRight|AlignVCenter );
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ValuesBox->addWidget( Label, i, 3 );
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mText2[i] = new TQLineEdit( this );
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mText2[i]->setReadOnly( true );
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mText2[i]->tqsetAlignment( AlignRight );
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ValuesBox->addWidget( mText2[i], i, 4 );
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Label = new TQLabel( msg3[i], this );
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Label->tqsetAlignment( AlignRight|AlignVCenter );
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mUtilBox->addWidget( Label, i, 1 );
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mText3[i] = new TQLineEdit( this );
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mText3[i]->setReadOnly( true );
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mText3[i]->tqsetAlignment( AlignRight );
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mUtilBox->addWidget( mText3[i], i, 2 );
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}
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TQBoxLayout * SettingsBox = new TQHBoxLayout( this, 0, KDialog::spacingHint() );
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text = i18n("Show little endian decoding");
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mCheckIntelFormat = new TQCheckBox( text, this );
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mCheckIntelFormat->setMinimumSize( mCheckIntelFormat->tqsizeHint() );
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connect( mCheckIntelFormat, TQT_SIGNAL(clicked()), this, TQT_SLOT(intelFormat()) );
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SettingsBox->addWidget( mCheckIntelFormat, 0, AlignVCenter );
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mCheckIntelFormat->setChecked( // default value to please endian system users
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#ifdef WORDS_BIGENDIAN
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false // Big Endian: SUN, Motorola machines (amongst others)
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#else
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true // Little Endian: Intel, Alpha
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#endif
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);
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// TODO: make this a pulldown box, adding PDP endianess
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text = i18n("Show unsigned as hexadecimal");
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mCheckHexadecimal = new TQCheckBox( text, this );
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mCheckHexadecimal->setMinimumSize( mCheckHexadecimal->tqsizeHint() );
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connect( mCheckHexadecimal, TQT_SIGNAL(clicked()), this, TQT_SLOT(unsignedFormat()) );
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SettingsBox->addWidget( mCheckHexadecimal, 0, AlignVCenter );
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mUtilBox->addMultiCellLayout( ValuesBox, 0, 3, 0, 0, AlignLeft|AlignVCenter );
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mUtilBox->addMultiCellLayout( SettingsBox, 4, 4, 0, 0, AlignLeft|AlignVCenter );
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//
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// Variable bitwidth. Based on Craig Graham's work.
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//
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TQLabel *bitLabel = new TQLabel( i18n("Stream length:"), this );
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bitLabel->tqsetAlignment( AlignRight|AlignVCenter );
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mUtilBox->addWidget( bitLabel, 4, 1 );
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mBitCombo = new TQComboBox( false, this );
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text = i18n("Fixed 8 Bit" );
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mBitCombo->insertItem( text );
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for( int i=0; i<16; i++ )
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{
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text.sprintf("%u ", i+1 );
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text += i==0 ? i18n("Bit Window") : i18n("Bits Window");
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mBitCombo->insertItem( text );
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}
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mBitCombo->setMinimumSize( mBitCombo->tqsizeHint() );
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connect( mBitCombo, TQT_SIGNAL(activated(int)), TQT_SLOT(bitWidthChanged(int)));
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mUtilBox->addWidget( mBitCombo, 4, 2 );
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/* load font metrics */
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fontChanged();
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mUtilBox->activate();
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connect( kapp, TQT_SIGNAL( kdisplayFontChanged() ),
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TQT_SLOT( fontChanged() ) );
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mCursorState.valid = false;
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mViewHexCaps = true;
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setMinimumSize( tqsizeHint() );
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show();
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}
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CHexToolWidget::~CHexToolWidget( void )
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{
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}
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void CHexToolWidget::writeConfiguration( KConfig &config )
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{
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config.setGroup("Conversion" );
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config.writeEntry("LittleEndian", mCheckIntelFormat->isChecked() );
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config.writeEntry("UnsignedAsHex", mCheckHexadecimal->isChecked() );
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config.writeEntry("StreamWindow", mBitCombo->currentItem() );
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}
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void CHexToolWidget::readConfiguration( KConfig &config )
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{
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config.setGroup("Conversion" );
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bool s1 = config.readBoolEntry( "LittleEndian", true );
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bool s2 = config.readBoolEntry( "UnsignedAsHex", false );
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int val = config.readNumEntry( "StreamWindow", 0 );
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mCheckIntelFormat->setChecked( s1 );
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mCheckHexadecimal->setChecked( s2 );
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mBitCombo->setCurrentItem( val );
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}
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//++cg[6/7/1999]: handler for change signal from bit width combo
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void CHexToolWidget::bitWidthChanged( int /*i*/ )
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{
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cursorChanged( mCursorState );
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}
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//
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// Variable bitwidth. Based on Craig Graham's work.
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//
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// ++cg[6/7/1999]: Read n bit's from a bitstream (allows N length bit
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// values to cross byte boundarys).
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//
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unsigned long CHexToolWidget::bitValue( SCursorState &state, int n )
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{
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static const unsigned char bitmask[9] =
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{
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0, 1<<7, 3<<6, 7<<5, 15<<4, 31<<3, 63<<2, 127<<1, 255
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};
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unsigned long rtn = 0;
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unsigned char *byte = state.data;
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int bit = 7 - state.cell;
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while( n )
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{
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//
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// c hold's current byte, shifted to put remaining bits in
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// high bits of byte
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//
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unsigned char c = *byte << bit;
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//
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// if there are n bits or more remaining in this byte, we
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// swallow n bits, otherwise we swallow as many
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// bits as we can (8-bit)
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//
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int this_time = ((8-bit)>=n)?n:(8-bit);
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//
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// mask to get only the bit's we're swallowing
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//
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c &= bitmask[this_time];
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//
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// shift down to get bit's in low part of byte
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//
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c >>= 8-this_time;
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//
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// shift up previous results to make room and OR in the extracted bits.
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//
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rtn = (rtn<<this_time)|c;
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n -= this_time; // update the count of remaining bits
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bit += this_time; // tell the stream we swallowed some swallowed bits
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//
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// if we've swallowed 8 bits, we zero the bit count and move on to
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// the next byte
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//
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if( bit==8 )
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{
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bit=0;
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byte++;
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}
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}
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return( rtn );
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}
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void CHexToolWidget::cursorChanged( SCursorState &state )
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{
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if( state.valid == true )
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{
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TQString buf;
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// change by Kossebau[03.11.2003]:
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// checking for system endianess, using the compiler for the byte interpretation and cutting bloaded code
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// TODO: add PDP endianess
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void *P8Bit, *P16Bit, *P32Bit, *P64Bit;
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// ensure strict tqalignment for double as needed on some architectures (e.g. PA-RISC)
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typedef union { unsigned char b[8]; double d; } aligned_t;
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aligned_t Data;
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if(
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#ifdef WORDS_BIGENDIAN
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! // Assume Big Endian. This is the case for SUN machines (amongst others)
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#else
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// Assume Little Endian. This is the case for the Intel architecture.
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#endif
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mCheckIntelFormat->isChecked() )
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{
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// take it as it is
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memcpy( Data.b, state.data, 8 );
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P8Bit = P16Bit = P32Bit = P64Bit = Data.b;
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}
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else
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{
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// reverse order
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for( int i=0,j=7; i<8; ++i,--j )
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Data.b[i] = state.data[j];
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P8Bit = &Data.b[7];
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P16Bit = &Data.b[6];
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P32Bit = &Data.b[4];
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P64Bit = Data.b;
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}
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bool NoHex = !mCheckHexadecimal->isChecked();
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// unsigned 8 bit
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buf.sprintf( NoHex?"%u":mViewHexCaps?"0x%02X":"0x%02x", *(unsigned char*)P8Bit );
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mText1[1]->setText( buf );
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// signed int 8 bit
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buf.sprintf( "%d", *(signed char*)P8Bit );
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mText1[0]->setText( buf );
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// unsigned int 16 bit
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buf.sprintf( NoHex?"%u":mViewHexCaps?"0x%04X":"0x%04x", *(unsigned short*)P16Bit );
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mText1[3]->setText( buf );
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// signed int 16 bit
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buf.sprintf( "%d", *(short*)P16Bit );
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mText1[2]->setText( buf );
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// unsigned int 32 bit
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buf.sprintf( NoHex?"%u":mViewHexCaps?"0x%08X":"0x%08x", *(unsigned int*)P32Bit );
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mText2[1]->setText( buf );
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// signed int 32 bit
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buf.sprintf( "%d", *(int*)P32Bit );
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mText2[0]->setText( buf );
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// float 32 bit
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buf.sprintf( "%E", *(float*)P32Bit );
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mText2[2]->setText( buf );
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// float 64 bit
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buf.sprintf( "%E", *(double*)P64Bit );
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mText2[3]->setText( buf );
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int numBits = mBitCombo->currentItem();
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if( numBits == 0 )
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{
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//
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// This is the original stuff
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//
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unsigned char data = (unsigned char)state.data[0];
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buf.sprintf( mViewHexCaps?"%02X":"%02x", data );
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mText3[0]->setText( buf );
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buf.sprintf( "%03o", data );
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mText3[1]->setText( buf );
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char bitBuf[32];
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for( int i = 0; i < 8; i++ )
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bitBuf[7-i] = (data&(1<<i)) ? '1' : '0';
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bitBuf[8] = 0;
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mText3[2]->setText( TQString(bitBuf) );
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}
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else
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{
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//
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// Variable bitwidth. Based on Craig Graham's work.
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//
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unsigned long data = bitValue( state, numBits );
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buf.sprintf( mViewHexCaps?"%02lX %02lX":"%02lx %02lx", (data>>8)&0xFF, data&0xFF );
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mText3[0]->setText( buf );
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buf.sprintf( "%03lo %03lo", (data>>8)&0xFF, data&0xFF );
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mText3[1]->setText( buf );
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char bitBuf[32];
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for( int i = 0; i<numBits; i++ )
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bitBuf[numBits-i-1] = (data&(1L<<i)) ? '1' : '0';
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bitBuf[numBits] = 0;
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mText3[2]->setText( TQString(bitBuf) );
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}
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// Fix by Sergey A. Sukiyazov
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unsigned char data[2] = { 0, 0 };
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data[0] = state.charValid == false ? '.' :
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(char)((unsigned char)state.data[0]&0xff );
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buf = TQString::fromLocal8Bit( (const char *)data );
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mText3[3]->setText( buf );
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}
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else
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{
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TQString str;
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for( int i=0; i<4; i++)
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{
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mText1[i]->setText( str );
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mText2[i]->setText( str );
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mText3[i]->setText( str );
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}
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}
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mCursorState = state;
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}
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void CHexToolWidget::fontChanged( void )
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{
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TQFontMetrics fm( mText1[0]->font() );
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int W1 = fm.width( "XXXXXXXX" );
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int W2 = fm.width( "XXXXXXXXXXXX" );
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int W3 = fm.width( "888888888888888888" );
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for( int i=0; i<4; i++ )
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{
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mText1[i]->setFixedWidth( W1 );
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mText2[i]->setFixedWidth( W2 );
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mText3[i]->setFixedWidth( W3 );
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}
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}
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void CHexToolWidget::intelFormat( void )
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{
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cursorChanged( mCursorState );
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}
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void CHexToolWidget::unsignedFormat( void )
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{
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cursorChanged( mCursorState );
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}
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void CHexToolWidget::resizeEvent( TQResizeEvent */*e*/ )
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{
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}
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void CHexToolWidget::closeEvent( TQCloseEvent *e )
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{
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e->accept();
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emit closed();
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}
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#include "hextoolwidget.moc"
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