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tdebase/kxkb/kxkb.cpp

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/*
Copyright (C) 2001, S.R.Haque <srhaque@iee.org>. Derived from an
original by Matthias H<>zer-Klpfel released under the QPL.
This file is part of the KDE project
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.
DESCRIPTION
KDE Keyboard Tool. Manages XKB keyboard mappings.
*/
#include <unistd.h>
#include <stdlib.h>
#include <assert.h>
#include <tqregexp.h>
#include <tqfile.h>
#include <tqstringlist.h>
#include <tqimage.h>
#include <tdeaboutdata.h>
#include <tdecmdlineargs.h>
#include <tdeglobal.h>
#include <kglobalaccel.h>
#include <tdelocale.h>
#include <kprocess.h>
#include <twinmodule.h>
#include <twin.h>
#include <tdetempfile.h>
#include <kstandarddirs.h>
#include <kipc.h>
#include <tdeaction.h>
#include <tdepopupmenu.h>
#include <kdebug.h>
#include <tdeconfig.h>
#include <knotifyclient.h>
#include <dcopclient.h>
#include <dcopref.h>
#include "x11helper.h"
#include "kxkb.h"
#include "extension.h"
#include "rules.h"
#include "kxkbconfig.h"
#include "layoutmap.h"
#include "kxkb.moc"
KXKBApp::KXKBApp(bool allowStyles, bool GUIenabled)
: KUniqueApplication(allowStyles, GUIenabled),
m_prevWinId(X11Helper::UNKNOWN_WINDOW_ID),
m_rules(NULL),
m_tray(NULL),
kWinModule(NULL)
{
m_extension = new XKBExtension();
if( !m_extension->init() ) {
kdDebug() << "xkb initialization failed, exiting..." << endl;
::exit(1);
}
connect(m_extension, TQT_SIGNAL(groupChanged(uint)), this, TQT_SLOT(slotGroupChanged(uint)));
m_layoutOwnerMap = new LayoutMap(kxkbConfig);
// keep in sync with kcmlayout.cpp
keys = new TDEGlobalAccel(this);
#include "kxkbbindings.cpp"
connect( this, TQT_SIGNAL(settingsChanged(int)), TQT_SLOT(slotSettingsChanged(int)) );
addKipcEventMask( KIPC::SettingsChanged );
}
KXKBApp::~KXKBApp()
{
delete m_tray;
delete m_rules;
delete m_extension;
delete m_layoutOwnerMap;
delete kWinModule;
delete keys;
}
int KXKBApp::newInstance()
{
if (settingsRead()) {
layoutApply();
}
return 0;
}
bool KXKBApp::settingsRead()
{
XkbOptions options = kxkbConfig.getKXkbOptions();
if( !m_extension->setXkbOptions(options) ) {
kdDebug() << "Setting XKB options failed!" << endl;
}
if ( kxkbConfig.m_useKxkb == false ) {
kapp->quit();
return false;
}
m_prevWinId = X11Helper::UNKNOWN_WINDOW_ID;
if( kxkbConfig.m_switchingPolicy == SWITCH_POLICY_GLOBAL ) {
delete kWinModule;
kWinModule = NULL;
}
else {
TQDesktopWidget desktopWidget;
if( desktopWidget.numScreens() > 1 && desktopWidget.isVirtualDesktop() == false ) {
kdWarning() << "With non-virtual desktop only global switching policy supported on non-primary screens" << endl;
//TODO: find out how to handle that
}
if( kWinModule == NULL ) {
kWinModule = new KWinModule(0, KWinModule::INFO_DESKTOP);
connect(kWinModule, TQT_SIGNAL(activeWindowChanged(WId)), TQT_SLOT(windowChanged(WId)));
}
m_prevWinId = kWinModule->activeWindow();
kdDebug() << "Active window " << m_prevWinId << endl;
}
m_layoutOwnerMap->reset();
m_layoutOwnerMap->setCurrentWindow( m_prevWinId );
if( m_rules == NULL )
m_rules = new XkbRules(false);
for(int ii=0; ii<(int)kxkbConfig.m_layouts.count(); ii++) {
LayoutUnit& layoutUnit = kxkbConfig.m_layouts[ii];
}
m_currentLayout = kxkbConfig.m_layouts[0];
kdDebug() << "default layout is " << m_currentLayout.toPair() << endl;
if( kxkbConfig.m_layouts.count() == 1 && !kxkbConfig.m_showSingle) {
kapp->quit();
return false;
}
initTray();
TDEGlobal::config()->reparseConfiguration(); // kcontrol modified kdeglobals
keys->readSettings();
keys->updateConnections();
return true;
}
void KXKBApp::initTray()
{
if( !m_tray )
{
KSystemTray* sysTray = new KxkbSystemTray();
TDEPopupMenu* popupMenu = sysTray->contextMenu();
// popupMenu->insertTitle( kapp->miniIcon(), kapp->caption() );
m_tray = new KxkbLabelController(sysTray, popupMenu);
connect(popupMenu, TQT_SIGNAL(activated(int)), this, TQT_SLOT(menuActivated(int)));
connect(sysTray, TQT_SIGNAL(toggled()), this, TQT_SLOT(nextLayout()));
}
m_tray->setShowFlag(kxkbConfig.m_showFlag);
m_tray->initLayoutList(kxkbConfig.m_layouts, *m_rules);
m_tray->setCurrentLayout(m_currentLayout);
m_tray->show();
}
// This function activates the keyboard layout specified by the
// configuration members (m_currentLayout)
void KXKBApp::layoutApply()
{
setLayout(m_currentLayout);
}
// kdcop
bool KXKBApp::setLayout(const TQString& layoutPair)
{
const LayoutUnit layoutUnitKey(layoutPair);
if( kxkbConfig.m_layouts.contains(layoutUnitKey) ) {
return setLayout( *kxkbConfig.m_layouts.find(layoutUnitKey) );
}
return false;
}
// Activates the keyboard layout specified by 'layoutUnit'
bool KXKBApp::setLayout(const LayoutUnit& layoutUnit)
{
uint group = kxkbConfig.m_layouts.findIndex(layoutUnit);
bool res = m_extension->setGroup(group);
if (res) {
m_currentLayout = layoutUnit;
maybeShowLayoutNotification();
}
if (m_tray) {
if (res) {
m_tray->setCurrentLayout(layoutUnit);
} else {
m_tray->setError(layoutUnit.toPair());
}
}
return res;
}
// Activates the keyboard layout specified by group number
bool KXKBApp::setLayout(const uint group)
{
bool res = m_extension->setGroup(group);
if (res) {
m_currentLayout = kxkbConfig.m_layouts[group];
}
if (m_tray) {
if (res)
m_tray->setCurrentLayout(m_currentLayout);
else
m_tray->setError(m_currentLayout.toPair());
}
return res;
}
void KXKBApp::nextLayout()
{
const LayoutUnit& layout = m_layoutOwnerMap->getNextLayout().layoutUnit;
setLayout(layout);
}
void KXKBApp::prevLayout()
{
const LayoutUnit& layout = m_layoutOwnerMap->getPrevLayout().layoutUnit;
setLayout(layout);
}
void KXKBApp::menuActivated(int id)
{
if( KxkbLabelController::START_MENU_ID <= id
&& id < KxkbLabelController::START_MENU_ID + (int)kxkbConfig.m_layouts.count() )
{
const LayoutUnit& layout = kxkbConfig.m_layouts[id - KxkbLabelController::START_MENU_ID];
m_layoutOwnerMap->setCurrentLayout( layout );
setLayout( layout );
}
else if (id == KxkbLabelController::CONFIG_MENU_ID)
{
TDEProcess p;
p << "tdecmshell" << "keyboard_layout";
p.start(TDEProcess::DontCare);
}
else if (id == KxkbLabelController::HELP_MENU_ID)
{
TDEApplication::kApplication()->invokeHelp(0, "kxkb");
}
// else
// {
// quit();
// }
}
void KXKBApp::slotGroupChanged(uint group)
{
if (group >= kxkbConfig.m_layouts.count())
{
group = 0;
}
m_currentLayout = kxkbConfig.m_layouts[group];
m_tray->setCurrentLayout(m_currentLayout);
maybeShowLayoutNotification();
}
void KXKBApp::maybeShowLayoutNotification() {
if (!kxkbConfig.m_enableNotify) return;
TQString layoutName(m_rules->getLayoutName(m_currentLayout));
bool useKMilo = kxkbConfig.m_notifyUseKMilo;
bool notificationSent = false;
// Query KDED whether KMiloD is loaded
if (useKMilo) {
QCStringList modules;
TQCString replyType;
TQByteArray replyData;
if (kapp->dcopClient()->call("kded", "kded", "loadedModules()",
TQByteArray(), replyType, replyData))
{
if (replyType == "QCStringList") {
TQDataStream reply(replyData, IO_ReadOnly);
reply >> modules;
if (!modules.contains("kmilod")) {
useKMilo = false;
}
}
}
}
if (useKMilo) {
DCOPRef kmilo("kded", "kmilod");
if (kmilo.send("displayText(TQString,TQPixmap)", layoutName, kapp->miniIcon()))
notificationSent = true;
}
if (!notificationSent) {
KNotifyClient::event(m_tray->winId(), "LayoutChange", layoutName);
}
}
// TODO: we also have to handle deleted windows
void KXKBApp::windowChanged(WId winId)
{
// kdDebug() << "window switch" << endl;
if( kxkbConfig.m_switchingPolicy == SWITCH_POLICY_GLOBAL ) { // should not happen actually
kdDebug() << "windowChanged() signal in GLOBAL switching policy" << endl;
return;
}
kdDebug() << "old WinId: " << m_prevWinId << ", new WinId: " << winId << endl;
if( m_prevWinId != X11Helper::UNKNOWN_WINDOW_ID ) { // saving layout from previous window
// m_layoutOwnerMap->setCurrentWindow(m_prevWinId);
m_layoutOwnerMap->setCurrentLayout(m_currentLayout);
}
m_prevWinId = winId;
if( winId != X11Helper::UNKNOWN_WINDOW_ID ) {
m_layoutOwnerMap->setCurrentWindow(winId);
const LayoutState& layoutState = m_layoutOwnerMap->getCurrentLayout();
if( layoutState.layoutUnit != m_currentLayout ) {
kdDebug() << "switching to " << layoutState.layoutUnit.toPair() << " for " << winId << endl;
setLayout(layoutState.layoutUnit);
}
}
}
void KXKBApp::slotSettingsChanged(int category)
{
if (category == TDEApplication::SETTINGS_SHORTCUTS) {
TDEGlobal::config()->reparseConfiguration(); // kcontrol modified kdeglobals
keys->readSettings();
keys->updateConnections();
}
}
bool KXKBApp::x11EventFilter(XEvent *e) {
// let the extension process the event and emit signals if necessary
m_extension->processXEvent(e);
return TDEApplication::x11EventFilter(e);
}
const char *DESCRIPTION = I18N_NOOP("A utility to switch keyboard maps");
extern "C" KDE_EXPORT int kdemain(int argc, char *argv[])
{
TDEAboutData about("kxkb", I18N_NOOP("TDE Keyboard Tool"), "1.0",
DESCRIPTION, TDEAboutData::License_LGPL,
"Copyright (C) 2001, S.R.Haque\n(C) 2002-2003, 2006 Andriy Rysin");
TDECmdLineArgs::init(argc, argv, &about);
KXKBApp::addCmdLineOptions();
if (!KXKBApp::start())
return 0;
KXKBApp app;
app.disableSessionManagement();
app.exec();
return 0;
}