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plugincombobox.cpp
00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License version 2 as published by the Free Software Foundation.
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  *  Boston, MA 02110-1301, USA.
00018  **/
00019 
00020 #include "plugincombobox.h"
00021 #include "kmfactory.h"
00022 #include "kmmanager.h"
00023 
00024 #include <tqcombobox.h>
00025 #include <tqlabel.h>
00026 #include <tqlayout.h>
00027 #include <klocale.h>
00028 #include <tqwhatsthis.h>
00029 
00030 PluginComboBox::PluginComboBox(TQWidget *parent, const char *name)
00031 :TQWidget(parent, name)
00032 {
00033         TQString whatsThisCurrentPrintsystem = i18n(" <qt><b>Print Subsystem Selection</b>"
00034                         " <p>This combo box shows (and lets you select)"
00035                         " a print subsystem to be used by KDEPrint. (This print"
00036                         " subsystem must, of course, be installed inside your"
00037                         " Operating System.) KDEPrint usually auto-detects the" 
00038                                                 " correct print subsystem by itself upon first startup."
00039                         " Most Linux distributions have \"CUPS\", the <em>Common"
00040                         " UNIX Printing System</em>." 
00041                                                 " </qt>" );
00042 
00043     m_combo = new TQComboBox(this, "PluginCombo");
00044         TQWhatsThis::add(m_combo, whatsThisCurrentPrintsystem);
00045     TQLabel *m_label = new TQLabel(i18n("Print s&ystem currently used:"), this);
00046         TQWhatsThis::add(m_label, whatsThisCurrentPrintsystem);
00047     m_label->setAlignment(AlignVCenter|AlignRight);
00048     m_label->setBuddy(m_combo);
00049     m_plugininfo = new TQLabel("Plugin information", this);
00050     TQGridLayout    *l0 = new TQGridLayout(this, 2, 2, 0, 5);
00051     l0->setColStretch(0, 1);
00052     l0->addWidget(m_label, 0, 0);
00053     l0->addWidget(m_combo, 0, 1);
00054     l0->addWidget(m_plugininfo, 1, 1);
00055 
00056     TQValueList<KMFactory::PluginInfo>  list = KMFactory::self()->pluginList();
00057     TQString            currentPlugin = KMFactory::self()->printSystem();
00058     for (TQValueList<KMFactory::PluginInfo>::ConstIterator it=list.begin(); it!=list.end(); ++it)
00059     {
00060         m_combo->insertItem((*it).comment);
00061         if ((*it).name == currentPlugin)
00062             m_combo->setCurrentItem(m_combo->count()-1);
00063         m_pluginlist.append((*it).name);
00064     }
00065 
00066     connect(m_combo, TQT_SIGNAL(activated(int)), TQT_SLOT(slotActivated(int)));
00067     configChanged();
00068 }
00069 
00070 void PluginComboBox::slotActivated(int index)
00071 {
00072     TQString    plugin = m_pluginlist[index];
00073     if (!plugin.isEmpty())
00074     {
00075         // the factory will notify all registered objects of the change
00076         KMFactory::self()->reload(plugin, true);
00077     }
00078 }
00079 
00080 void PluginComboBox::reload()
00081 {
00082     TQString    syst = KMFactory::self()->printSystem();
00083     int index(-1);
00084     if ((index=m_pluginlist.findIndex(syst)) != -1)
00085         m_combo->setCurrentItem(index);
00086     configChanged();
00087 }
00088 
00089 void PluginComboBox::configChanged()
00090 {
00091         TQString whatsThisCurrentConnection = i18n(" <qt><b>Current Connection</b>"
00092                         " <p>This line shows which CUPS server your PC is"
00093                         " currently connected to for printing and retrieving"
00094                         " printer info. To switch to a different CUPS server,"
00095                         " click \"System Options\", then select \"Cups server\""
00096                         " and fill in the required info." 
00097                                                 " </qt>" );
00098 
00099     m_plugininfo->setText(KMManager::self()->stateInformation());
00100         TQWhatsThis::add(m_plugininfo, whatsThisCurrentConnection);
00101 
00102 }
00103 
00104 #include "plugincombobox.moc"

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