From 09a528fd59d3ea5f69575a92574f7a87898dc068 Mon Sep 17 00:00:00 2001
From: tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Fri, 19 Feb 2010 18:45:49 +0000
Subject: Added old abandoned (but very good!) KDE3 KPicoSim application

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kpicosim@1092928 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 src/kprocessorview.cpp | 208 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 208 insertions(+)
 create mode 100755 src/kprocessorview.cpp

(limited to 'src/kprocessorview.cpp')

diff --git a/src/kprocessorview.cpp b/src/kprocessorview.cpp
new file mode 100755
index 0000000..f54469a
--- /dev/null
+++ b/src/kprocessorview.cpp
@@ -0,0 +1,208 @@
+#include "kprocessorview.h"
+
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qscrollview.h>
+#include <qsize.h>
+#include <qmessagebox.h>
+#include <qpopupmenu.h>
+#include <qcursor.h>
+
+MyListView::MyListView(QWidget *parent) : KListView(parent)
+{
+	connect( this, SIGNAL( contextMenu( KListView *, QListViewItem *, const QPoint & ) ),
+             SLOT( slotContextMenu( KListView *, QListViewItem *, const QPoint & ) ) );
+}
+
+MyListView::~MyListView()
+{
+}
+
+void MyListView::slotContextMenu( KListView *, QListViewItem *, const QPoint & ) 
+{
+//	mousePressEvent( NULL ) ;
+	emit showPopupMenu() ;
+}
+/*
+void MyListView::mousePressEvent( QMouseEvent * event )
+{
+	//QMessageBox::information( this, "information", "mouse pressed" ) ;
+	
+//	if ( event->button() == RightButton ) 
+		emit showPopupMenu() ;
+//	else
+//		KListView::mousePressEvent( event ) ;
+}
+*/
+
+KProcessorView::KProcessorView(QWidget *parent, const char *name)
+ : KToolBar(parent)
+{
+	name = name ; // avoid compiler warning
+	
+	view = new MyListView( this ) ;
+	
+	connect( view, SIGNAL( itemRenamed( QListViewItem*) ), this, SLOT( slotItemRenamed(QListViewItem*) ) ) ;
+	connect( view, SIGNAL( showPopupMenu() ), this, SLOT( showPopupMenu() ) ) ;
+
+	view->addColumn( "Register" ) ;
+	view->addColumn( "Value" ) ;
+	view->setRootIsDecorated( true ) ;
+	view->setRenameable( 1, true ) ;	// Column 1 is renameable
+	view->setRenameable( 0, false ) ;	// Column 1 is renameable
+	view->setItemsRenameable( true ) ;
+	setWidget( view ) ;
+	setResizeEnabled( true ) ;
+	
+	int i ;
+	char str[ 128 ] ;
+	
+	QListViewItem *cpu = new QListViewItem( view ) ;
+	cpu->setText( 0, "CPU" ) ;
+
+	QListViewItem *flags = new QListViewItem( cpu ) ;
+	flags->setText( 0, "Flags" ) ;
+
+	zeroFlag = new QListViewItem( flags ) ;
+	zeroFlag->setText( 0, "Zero" ) ;
+	zeroFlag->setText( 1, "0" ) ;
+	
+	carryFlag = new QListViewItem( flags ) ;
+	carryFlag->setText( 0, "Carry" ) ;
+	carryFlag->setText( 1, "0" ) ;
+	
+	ieFlag = new QListViewItem( flags ) ;
+	ieFlag->setText( 0, "IE" ) ;
+	ieFlag->setText( 1, "0" ) ;
+	
+	QListViewItem *reg = new QListViewItem( cpu ) ;
+	reg->setText( 0, "Registers" ) ;
+
+	for ( i = 0 ; i < 16 ; i++ ) {
+		regs[ i ] = new QListViewItem( reg ) ;
+		sprintf( str, "s%X", i ) ;
+		regs[ i ]->setText( 0, str ) ;
+		regs[ i ]->setText( 1, "0" ) ;
+	}
+	
+	view->setOpen( cpu, true ) ;
+	view->setOpen( flags, true ) ;
+	view->setOpen( reg, true ) ;
+
+	m_bHexMode = false ;
+}
+
+void KProcessorView::slotHexMode()
+{
+	unsigned char regs[ 16 ] ;
+
+	getRegisterValues(regs) ;
+	m_bHexMode = !m_bHexMode ;
+	setRegisterValues(regs) ;
+}
+
+void KProcessorView::showPopupMenu() 
+{
+	QPopupMenu *menu = new QPopupMenu( this ) ;
+	menu->insertItem( "Hexadecimal", this, SLOT( slotHexMode() ), 0, 1 ) ;
+	menu->setItemChecked( 1, m_bHexMode ) ;	
+	menu->exec( QCursor::pos() );
+}
+
+void KProcessorView::slotItemRenamed( QListViewItem * item )
+{
+	int i, value, base ;
+	bool ok ;
+	
+	if ( m_bHexMode ) base = 16 ;
+	else              base = 10 ;
+
+	if ( !item )
+		return ;
+	
+	for ( i = 0 ; i < 16 ; i++ ) {
+		if ( item == regs[ i ] ) {
+			value = item->text(1).toInt( &ok, base ) ;
+		
+			if ( !ok || value < 0 || value > 255 ) {
+				QMessageBox::warning( parentWidget(), "Modify register", "Value should be between 0-255" ) ;
+				view->rename( item, 1 ) ;
+			} else {
+				emit processorRegsChanged() ;
+			}
+			return ;
+		}
+	}
+	
+	if ( zeroFlag == item || carryFlag == item || ieFlag == item ) {
+		value = item->text(1).toInt( &ok ) ;
+		if ( !ok || value < 0 || value > 1 ) {
+			QMessageBox::warning( parentWidget(), "Modify flag", "Value should be between 0-1" ) ;
+		} else
+			emit processorFlagsChanged() ;
+	}
+}
+
+void KProcessorView::resizeEvent( QResizeEvent *event )
+{
+	event = event ;
+//	view->resize( width() - 10, height() - 10 ) ;
+}
+
+void KProcessorView::getRegisterValues( unsigned char *values )
+{
+	int i, base ;
+	bool ok ;
+
+	if ( m_bHexMode ) base = 16 ;
+	else              base = 10 ;
+
+	for ( i = 0 ; i < 16 ; i++ ) {
+		values[ i ] = regs[ i ]->text(1).toInt( &ok, base ) ;
+	}
+}
+
+void KProcessorView::setRegisterValues( unsigned char *values )
+{
+	int i, base ;
+		
+	if ( m_bHexMode ) base = 16 ;
+	else              base = 10 ;
+
+	QString str; 
+	for ( i = 0 ; i < 16 ; i++ ) {
+		str.setNum( values[ i ], base ) ;
+		regs[ i ]->setText( 1, str ) ;
+	}
+}
+		
+void KProcessorView::setFlags( unsigned char flags )
+{
+	if ( flags & 0x01 ) zeroFlag->setText( 1, "1" ) ;
+	else                zeroFlag->setText( 1, "0" ) ;
+	
+	if ( flags & 0x02 ) carryFlag->setText( 1, "1" ) ;
+	else                carryFlag->setText( 1, "0" ) ;	
+		
+	if ( flags & 0x04 ) ieFlag->setText( 1, "1" ) ;
+	else                ieFlag->setText( 1, "0" ) ;
+} 
+
+unsigned char KProcessorView::getFlags() 
+{
+	unsigned char flags = 0 ;
+		
+	if ( zeroFlag->text(1).toInt() == 1 )  flags |= 0x01 ;
+	if ( carryFlag->text(1).toInt() == 1 ) flags |= 0x02 ;
+	if ( ieFlag->text(1).toInt() == 1 )    flags |= 0x04 ;
+	
+	return flags ;
+}
+
+KProcessorView::~KProcessorView()
+{
+	delete view ;
+}
+
+
+
-- 
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