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tdebindings/kjsembed/jsconsolewidget.cpp

243 lines
6.4 KiB

/*
* Copyright (C) 2001-2003, Richard J. Moore <rich@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <tqfile.h>
#include <tqhbox.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqpushbutton.h>
#include <kdebug.h>
#include <kdialog.h>
#include <kglobal.h>
#include <kiconloader.h>
#include <klineedit.h>
#include <klocale.h>
#include <kpopupmenu.h>
#include <kprocess.h>
#include <ktextedit.h>
#include <twin.h>
#include <kjs/interpreter.h>
#include <kjs/ustring.h>
#include <kjs/types.h>
#include "jsbinding.h"
#include "kjsembedpart.h"
#include "jsconsolewidget.h"
#include "jsconsolewidget.moc"
namespace KJSEmbed {
class JSConsoleWidgetPrivate
{
};
JSConsoleWidget::JSConsoleWidget( KJSEmbedPart *jspart, TQWidget *parent, const char *name )
: TQFrame( parent, name ? name : "jsconsole_widget" ),
js(jspart), proc(0), d(0)
{
setFocusPolicy( TQWidget::StrongFocus );
createView();
}
JSConsoleWidget::~JSConsoleWidget()
{
}
void JSConsoleWidget::createView()
{
TQPixmap px( KGlobal::iconLoader()->loadIcon("konsole", KIcon::NoGroup, KIcon::SizeSmall) );
TQPixmap pxl( KGlobal::iconLoader()->loadIcon("konsole", KIcon::NoGroup, KIcon::SizeLarge) );
setIcon( px );
KWin::setIcons( winId(), pxl, px );
ttl = new KPopupTitle( this, "title" );
ttl->setText( i18n("JavaScript Console") );
ttl->setIcon( px );
log = new KTextEdit( this, "log_widget" );
log->setReadOnly( true );
log->setUndoRedoEnabled( false );
log->setTextFormat( TQt::RichText );
log->setWrapPolicy( TQTextEdit::Anywhere );
log->setText( "<qt><pre>" );
log->setFocusPolicy( TQWidget::NoFocus );
// Command entry section
cmdBox = new TQHBox( this, "cmd_box" );
cmdBox->setSpacing( KDialog::spacingHint() );
TQLabel *prompt = new TQLabel( i18n("&KJS>"), cmdBox, "prompt" );
cmd = new KLineEdit( cmdBox, "cmd_edit" );
cmd->setFocusPolicy( TQWidget::StrongFocus );
cmd->setFocus();
prompt->setBuddy( cmd );
go = new TQPushButton( i18n("&Run"), cmdBox, "run_button" );
go->setFixedSize( go->sizeHint() );
connect( cmd, TQT_SIGNAL(returnPressed(const TQString&)), go, TQT_SLOT( animateClick() ) );
connect( go, TQT_SIGNAL( clicked() ), TQT_SLOT( invoke() ) );
// Setup completion
KCompletion *comp = cmd->completionObject();
connect( cmd, TQT_SIGNAL(returnPressed(const TQString&)), comp, TQT_SLOT(addItem(const TQString&)) );
// Layout
TQVBoxLayout *vert = new TQVBoxLayout( this, KDialog::marginHint(), KDialog::spacingHint() );
vert->addWidget( ttl );
vert->addWidget( log );
vert->addWidget( cmdBox );
}
void JSConsoleWidget::invoke()
{
TQString code( cmd->text() );
println( TQString( "<b><font color=\"#888888\">KJS&gt;</font> %1</b>" ).arg( code ) );
execute( code );
}
bool JSConsoleWidget::execute( const TQString &cmd )
{
return execute( cmd, KJS::Null() );
}
bool JSConsoleWidget::execute( const TQString &cmd, const KJS::Value &self )
{
KJS::Completion jsres;
bool ok = js->execute( jsres, cmd, self );
// Executed ok
if ( ok ) {
// No return value
if ( !jsres.isValueCompletion() )
return ok;
// Return value
KJS::Value ret = jsres.value();
KJS::UString s = ret.toString( js->globalExec() );
if ( s.isNull() ) {
warn( i18n("Success, but return value cannot be displayed") );
return ok;
}
TQString txt = s.qstring();
txt = txt.replace( TQChar('\n'), "<br>" );
println( txt );
return ok;
}
// Handle errors
KJS::ComplType ct = jsres.complType();
if ( (ct == KJS::Throw) || (ct == KJS::Break) || ct == KJS::Continue ) {
KJS::UString s = jsres.value().toString( js->globalExec() );
if ( !s.isNull() )
warn( s.qstring() );
else
warn( i18n("Unspecified error") );
}
else {
kdDebug(80001) << "jsconsolewidget: Unknown completion error, " << ct << endl;
warn( i18n("Unknown error returned, completion type %1").arg(ct) );
}
return ok;
}
void JSConsoleWidget::println( const TQString &msg )
{
log->append( msg );
log->scrollToBottom();
}
void JSConsoleWidget::warn( const TQString &msg )
{
TQString err( "<font color=\"red\"><b>%1</b></font>" );
println( err.arg(msg) );
}
//
// Process Handling
//
bool JSConsoleWidget::run( const TQString &cmd )
{
kdDebug(80001) << "JSConsoleWidget::run(" << cmd << ")" << endl;
if ( proc )
return false;
proc = new KShellProcess("/bin/sh");
*proc << cmd;
connect( proc, TQT_SIGNAL( processExited(KProcess *) ), TQT_SLOT( childExited() ) );
connect( proc, TQT_SIGNAL( receivedStdout(KProcess *, char *, int) ),
this, TQT_SLOT( receivedStdOutput(KProcess *, char *, int) ) );
connect( proc, TQT_SIGNAL( receivedStderr(KProcess *, char *, int) ),
this, TQT_SLOT( receivedStdError(KProcess *, char *, int) ) );
return proc->start( KProcess::NotifyOnExit,
KProcess::Communication( KProcess::Stdout|KProcess::Stderr ));
}
void JSConsoleWidget::childExited()
{
TQString s;
if ( proc->normalExit() ) {
if ( proc->exitStatus() )
s = i18n( "<b>[Exited with status %1]</b>\n" ).arg( proc->exitStatus() );
else
s = i18n( "<b>[Finished]</b>\n" );
println( s );
}
else {
s = i18n("[Aborted]\n");
warn( s );
}
delete proc;
proc = 0;
}
void JSConsoleWidget::receivedStdOutput( KProcess *, char *buffer, int buflen )
{
TQCString buf = TQCString( buffer, buflen+1 );
println( TQString(buf) );
}
void JSConsoleWidget::receivedStdError( KProcess *, char *buffer, int buflen )
{
TQCString buf = TQCString( buffer, buflen+1 );
warn( TQString(buf) );
}
} // namespace KJSEmbed
// Local Variables:
// c-basic-offset: 4
// End: