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tdebase/kicker/applets/swallow/swallow.cpp

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/*
* Copyright (c) 2000 Matthias Elter <elter@kde.org>
* 2000 Carsten Pfeiffer <pfeiffer@kde.org>
* based on keyes (C) 1999 by Jerome Tollet <tollet@magic.fr>
*
* 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
*/
#include <stdlib.h>
#include <tqlayout.h>
#include <tqstringlist.h>
#include <kapplication.h>
#include <kcmdlineargs.h>
#include <kconfig.h>
#include <kdebug.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kprocess.h>
#include <kshell.h>
#include <kwin.h>
#include <kwinmodule.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "swallow.h"
#include "prefwidget.h"
template class TQPtrList<SwallowApp>;
typedef TQPtrListIterator<SwallowApp> SwallowAppListIterator;
template class TQPtrList<SwallowCommand>;
// init static variables
SwallowAppList * SwallowApplet::appList = 0L;
SwallowAppList * SwallowApplet::embeddedList = 0L;
KWinModule * SwallowApplet::wModule = 0L;
SwallowApplet * SwallowApplet::self = 0L;
extern "C"
{
KDE_EXPORT KPanelApplet* init(TQWidget *parent, const TQString& configFile) {
return new SwallowApplet(configFile, parent, "kswallow applet");
}
}
SwallowApplet::SwallowApplet( const TQString& configFile,
TQWidget *parent, const char *name )
: KPanelApplet( configFile, Normal, Preferences, parent, name )
{
resize( 30, 30 );
kdDebug() << "**** constructing swallow applet (" << configFile << ") ****" << endl;
self = this;
m_swcList = new SwallowCommandList;
m_swcList->setAutoDelete( true );
wModule = new KWinModule(this);
embeddedList = new SwallowAppList;
embeddedList->setAutoDelete( false );
appList = new SwallowAppList;
appList->setAutoDelete( true );
TQBoxLayout::Direction d = (orientation() == Horizontal) ?
TQBoxLayout::LeftToRight : TQBoxLayout::TopToBottom;
m_layout = new TQBoxLayout( this, d, 0, 2 ); // make stretch configurable?
m_layout->setAutoAdd( false );
// read the config file and start all the configured apps
createApps( readConfig() );
if ( appList->count() == 0 ) {
if ( KMessageBox::questionYesNo(0L, i18n("There is no swallowed application, "
"do you want to configure or quit?"), i18n("No Swallowed Application"),
KGuiItem(i18n("Configure"),"configure"), KStdGuiItem::quit()) == KMessageBox::Yes )
preferences();
else {
delete this;
::exit(0);
}
}
emit updateLayout();
}
SwallowApplet::~SwallowApplet()
{
kdDebug() << "********************** DELETING ************************" << endl;
delete m_swcList;
delete embeddedList;
delete appList;
delete wModule;
wModule = 0L;
}
SwallowCommandList* SwallowApplet::readConfig()
{
m_swcList->clear();
KConfig *kc = config();
kc->setGroup("General");
int count = kc->readNumEntry("Number of apps");
kdDebug() << "*** Registered " << count << " App(s) to be swallow'ed!" << endl;
TQString group = "SwallowApp %1";
TQString title, cmd;
ushort errors = 0;
SwallowCommand *swc = 0L;
for ( int i = 1; i <= count; i++ ) {
kc->setGroup( group.arg(i) );
cmd = kc->readPathEntry("Commandline");
title = kc->readEntry("Window title");
kdDebug() << "*** Found Entry: Cmd-Line: " << cmd << " Window-Title: " << title << endl;
if ( !cmd.isEmpty() && !title.isEmpty() ) {
swc = new SwallowCommand;
swc->cmdline = cmd;
swc->title = title;
m_swcList->append( swc );
}
// remember items with non-null cmdline or title,
// discard items with empty cmdline and empty title
else if ( !(cmd.isEmpty() && title.isEmpty()) )
errors++;
}
if ( errors > 0 ) {
TQString entry = (errors == 1) ? i18n("entry") : i18n("entries");
if ( KMessageBox::questionYesNo(0L, i18n("I found %1 invalid/incomplete %2\nin the configuration file.\n\nBoth the window title and the commandline\n of the to be swallowed application\nare required.\n\n.Do you want to correct this?").arg(errors).arg(entry), i18n("Configuration Error"),i18n("Correct"),i18n("Ignore Error")) == KMessageBox::Yes)
preferences();
}
return m_swcList;
}
void SwallowApplet::createApps( SwallowCommandList* list )
{
SwallowApp *app = 0L;
SwallowCommandListIterator it( *list );
while ( (it.current()) ) {
app = new SwallowApp( it.current(), this );
app->hide();
connect( app, TQT_SIGNAL( embedded(SwallowApp *)),
TQT_SLOT( embedded(SwallowApp *)));
appList->append( app );
++it;
kapp->processEvents();
}
m_layout->activate();
}
void SwallowApplet::embedded( SwallowApp *app )
{
kdDebug() << " -> embedding " << app << ", current size is: " << width() << ", " << height() << endl;
if ( orientation() == Horizontal )
app->resize(height() * app->sizeRatio(), height() );
else
app->resize(width(), width() * app->sizeRatio());
kdDebug() << "--> ratio: " << app->sizeRatio() << endl;
kdDebug() << "**** " << app << " is embedded now, with (" << app->width() << ", " << app->height() << ")" << endl;
disconnect( app, TQT_SIGNAL( embedded(SwallowApp *)),
this, TQT_SLOT( embedded(SwallowApp *)));
embeddedList->append( app );
if ( orientation() == Horizontal )
resize( widthForHeight( height() ), height() );
else
resize( width(), heightForWidth( width() ));
m_layout->addWidget( app );
app->show();
updateGeometry();
emit updateLayout();
}
void SwallowApplet::preferences()
{
PreferencesWidget *prefs = new PreferencesWidget(m_swcList,this);
prefs->show();
}
int SwallowApplet::widthForHeight(int he)
{
kdDebug() << "**** width for h: " << he << endl;
int w = embeddedList->isEmpty() ? 30 : 0;
layoutApps();
SwallowAppListIterator it( *embeddedList );
while ( it.current() ) {
kdDebug() << "current: " << it.current()->width() << endl;
w += (it.current())->width();
++it;
}
kdDebug() << "**** wfh: " << w << " : count: " << embeddedList->count() << endl;
return w;
}
int SwallowApplet::heightForWidth(int)
{
int h = embeddedList->isEmpty() ? 30 : 0;
layoutApps();
SwallowAppListIterator it( *embeddedList );
while ( it.current() ) {
h += (it.current())->height();
++it;
}
kdDebug() << "**** hfw: " << h << endl;
return h;
}
void SwallowApplet::layoutApps()
{
if ( KPanelApplet::orientation() == Horizontal )
m_layout->setDirection( TQBoxLayout::LeftToRight );
else
m_layout->setDirection( TQBoxLayout::TopToBottom );
}
void SwallowApplet::removeApplet( SwallowApp *app )
{
embeddedList->removeRef( app );
appList->remove( app );
emit self->updateLayout();
}
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
static void parseCommand(KProcess *proc, TQString cmd)
{
int pos;
cmd += " ";
pos = cmd.tqfind(' ');
*proc << cmd.left(pos);
cmd.remove(0,pos);
cmd = cmd.stripWhiteSpace();
*proc << KShell::splitArgs(cmd, KShell::TildeExpand | KShell::AbortOnMeta);
}
SwallowApp::SwallowApp(const SwallowCommand *swc, TQWidget* parent,
const char* /* name */)
: QXEmbed( parent )
{
wh_ratio = 1;
setAutoDelete( false );
QXEmbed::initialize();
winTitle = swc->title;
connect(SwallowApplet::winModule(), TQT_SIGNAL(windowAdded(WId)),
this, TQT_SLOT(windowAdded(WId)));
if (!swc->cmdline.isEmpty()) {
KProcess *process = new KProcess;
parseCommand(process, swc->cmdline);
// move window out of sight
// *process << "-geometry";
// *process << TQString("32x32+%1+%2").arg(kapp->desktop()->width()).arg(kapp->desktop()->height());
connect(process, TQT_SIGNAL(processExited(KProcess*)),
this, TQT_SLOT(processExited(KProcess*)));
process->start();
}
}
SwallowApp::~SwallowApp()
{
delete process;
}
void SwallowApp::windowAdded(WId win)
{
// determine title of newly mapped window
XTextProperty nameProp;
XGetWMName(qt_xdisplay(), win, &nameProp);
char **names;
int count;
XTextPropertyToStringList(&nameProp, &names, &count);
if (count < 1) {
XFreeStringList(names);
return;
}
// is this our client?
if (winTitle == names[0]) {
kdDebug()<< "embedding window with title: "<<winTitle.latin1() << endl;
TQRect r = KWin::windowInfo(win).geometry();
int h = r.height();
if ( h == 0 ) h = 1;
wh_ratio = (float) r.width() / (float) h;
kdDebug() << " - - - win is: " << r.width() << ", " << r.height() << endl;
resize( r.width(), r.height() );
embed(win);
XReparentWindow(qt_xdisplay(), win, winId(), 0, 0);
disconnect(SwallowApplet::winModule(), TQT_SIGNAL(windowAdded(WId)),
this, TQT_SLOT(windowAdded(WId)));
emit embedded( this );
}
XFreeStringList(names);
}
void SwallowApp::processExited(KProcess *)
{
SwallowApplet::removeApplet( this ); // also deletes this app
}
#include "swallow.moc"