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kwin/kcmkwin/kwindesktop/main.cpp

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2009 Martin Gräßlin <mgraesslin@kde.org>
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, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "main.h"
#include <QDBusMessage>
#include <QDBusConnection>
#include <QDBusInterface>
#include <KAboutApplicationDialog>
#include <KActionCollection>
#include <KAction>
#include <KCModuleProxy>
#include <KGlobalAccel>
#include <KPluginInfo>
#include <KPluginFactory>
#include <KConfigGroup>
#include <KService>
#include <KServiceTypeTrader>
#include <KShortcutsEditor>
#include <QX11Info>
#include <netwm.h>
K_PLUGIN_FACTORY(KWinDesktopConfigFactory, registerPlugin<KWin::KWinDesktopConfig>();)
K_EXPORT_PLUGIN(KWinDesktopConfigFactory("kcm_kwindesktop"))
namespace KWin
{
KWinDesktopConfigForm::KWinDesktopConfigForm(QWidget* parent)
: QWidget(parent)
{
setupUi(this);
}
KWinDesktopConfig::KWinDesktopConfig(QWidget* parent, const QVariantList& args)
: KCModule(KWinDesktopConfigFactory::componentData(), parent, args)
, m_config(KSharedConfig::openConfig("kwinrc"))
, m_actionCollection(NULL)
, m_switchDesktopCollection(NULL)
{
init();
}
void KWinDesktopConfig::init()
{
m_ui = new KWinDesktopConfigForm(this);
// TODO: there has to be a way to add the shortcuts editor to the ui file
m_editor = new KShortcutsEditor(m_ui, KShortcutsEditor::GlobalAction);
m_ui->editorFrame->setLayout(new QVBoxLayout());
m_ui->editorFrame->layout()->setMargin(0);
m_ui->editorFrame->layout()->addWidget(m_editor);
m_ui->desktopNames->setDesktopConfig(this);
m_ui->desktopNames->setMaxDesktops(maxDesktops);
m_ui->desktopNames->numberChanged(defaultDesktops);
QVBoxLayout* layout = new QVBoxLayout(this);
layout->addWidget(m_ui);
setQuickHelp(i18n("<h1>Multiple Desktops</h1>In this module, you can configure how many virtual desktops you want and how these should be labeled."));
// Shortcut config. The shortcut belongs to the component "kwin"!
m_actionCollection = new KActionCollection(this, KComponentData("kwin"));
m_actionCollection->setConfigGroup("Desktop Switching");
m_actionCollection->setConfigGlobal(true);
m_switchDesktopCollection = new KActionCollection(this, KComponentData("kwin"));
m_switchDesktopCollection->setConfigGroup("Desktop Switching");
m_switchDesktopCollection->setConfigGlobal(true);
// actions for switch desktop collection - other action is filled dynamically
addAction("Switch to Next Desktop", i18n("Switch to Next Desktop"));
addAction("Switch to Previous Desktop", i18n("Switch to Previous Desktop"));
addAction("Switch One Desktop to the Right", i18n("Switch One Desktop to the Right"));
addAction("Switch One Desktop to the Left", i18n("Switch One Desktop to the Left"));
addAction("Switch One Desktop Up", i18n("Switch One Desktop Up"));
addAction("Switch One Desktop Down", i18n("Switch One Desktop Down"));
addAction("Walk Through Desktops", i18n("Walk Through Desktops"));
addAction("Walk Through Desktops (Reverse)", i18n("Walk Through Desktops (Reverse)"));
addAction("Walk Through Desktop List", i18n("Walk Through Desktop List"));
addAction("Walk Through Desktop List (Reverse)", i18n("Walk Through Desktop List (Reverse)"));
m_editor->addCollection(m_switchDesktopCollection, i18n("Desktop Switching"));
// get number of desktops
NETRootInfo info(QX11Info::display(), NET::NumberOfDesktops | NET::DesktopNames);
int n = info.numberOfDesktops();
for (int i = 1; i <= n; ++i) {
KAction* a = qobject_cast<KAction*>(m_actionCollection->addAction(QString("Switch to Desktop %1").arg(i)));
a->setProperty("isConfigurationAction", true);
a->setText(i18n("Switch to Desktop %1", i));
a->setGlobalShortcut(KShortcut(), KAction::ActiveShortcut);
}
// This should be after the "Switch to Desktop %1" loop. It HAS to be
// there after numberSpinBox is connected to slotChangeShortcuts. We would
// overwrite the users settings if not,
m_ui->numberSpinBox->setValue(n);
m_editor->addCollection(m_actionCollection, i18n("Desktop Switching"));
// search the effect names
// TODO: way to recognize if a effect is not found
KServiceTypeTrader* trader = KServiceTypeTrader::self();
KService::List services;
QString slide;
QString cube;
QString fadedesktop;
services = trader->query("KWin/Effect", "[X-KDE-PluginInfo-Name] == 'kwin4_effect_slide'");
if (!services.isEmpty())
slide = services.first()->name();
services = trader->query("KWin/Effect", "[X-KDE-PluginInfo-Name] == 'kwin4_effect_cubeslide'");
if (!services.isEmpty())
cube = services.first()->name();
services = trader->query("KWin/Effect", "[X-KDE-PluginInfo-Name] == 'kwin4_effect_fadedesktop'");
if (!services.isEmpty())
fadedesktop = services.first()->name();
m_ui->effectComboBox->addItem(i18n("No Animation"));
m_ui->effectComboBox->addItem(slide);
m_ui->effectComboBox->addItem(cube);
m_ui->effectComboBox->addItem(fadedesktop);
// effect config and info button
m_ui->effectInfoButton->setIcon(KIcon("dialog-information"));
m_ui->effectConfigButton->setIcon(KIcon("configure"));
connect(m_ui->rowsSpinBox, SIGNAL(valueChanged(int)), SLOT(changed()));
connect(m_ui->numberSpinBox, SIGNAL(valueChanged(int)), SLOT(changed()));
connect(m_ui->numberSpinBox, SIGNAL(valueChanged(int)), SLOT(slotChangeShortcuts(int)));
connect(m_ui->activityCheckBox, SIGNAL(stateChanged(int)), SLOT(changed()));
connect(m_ui->desktopNames, SIGNAL(changed()), SLOT(changed()));
connect(m_ui->popupInfoCheckBox, SIGNAL(toggled(bool)), SLOT(changed()));
connect(m_ui->popupHideSpinBox, SIGNAL(valueChanged(int)), SLOT(changed()));
connect(m_ui->desktopLayoutIndicatorCheckBox, SIGNAL(stateChanged(int)), SLOT(changed()));
connect(m_ui->wrapAroundBox, SIGNAL(stateChanged(int)), SLOT(changed()));
connect(m_editor, SIGNAL(keyChange()), SLOT(changed()));
connect(m_ui->allShortcutsCheckBox, SIGNAL(stateChanged(int)), SLOT(slotShowAllShortcuts()));
connect(m_ui->effectComboBox, SIGNAL(currentIndexChanged(int)), SLOT(changed()));
connect(m_ui->effectComboBox, SIGNAL(currentIndexChanged(int)), SLOT(slotEffectSelectionChanged(int)));
connect(m_ui->effectInfoButton, SIGNAL(clicked()), SLOT(slotAboutEffectClicked()));
connect(m_ui->effectConfigButton, SIGNAL(clicked()), SLOT(slotConfigureEffectClicked()));
// Begin check for immutable - taken from old desktops kcm
int kwin_screen_number = DefaultScreen(QX11Info::display());
m_config = KSharedConfig::openConfig("kwinrc");
QByteArray groupname;
if (kwin_screen_number == 0)
groupname = "Desktops";
else
groupname = "Desktops-screen-" + QByteArray::number(kwin_screen_number);
if (m_config->isGroupImmutable(groupname)) {
m_ui->nameGroup->setEnabled(false);
//number of desktops widgets
m_ui->numberLabel->setEnabled(false);
m_ui->numberSpinBox->setEnabled(false);
m_ui->rowsSpinBox->setEnabled(false);
} else {
KConfigGroup cfgGroup(m_config.data(), groupname.constData());
if (cfgGroup.isEntryImmutable("Number")) {
//number of desktops widgets
m_ui->numberLabel->setEnabled(false);
m_ui->numberSpinBox->setEnabled(false);
m_ui->rowsSpinBox->setEnabled(false);
}
}
// End check for immutable
}
KWinDesktopConfig::~KWinDesktopConfig()
{
undo();
}
void KWinDesktopConfig::addAction(const QString &name, const QString &label)
{
KAction* a = qobject_cast<KAction*>(m_switchDesktopCollection->addAction(name));
a->setProperty("isConfigurationAction", true);
a->setText(label);
a->setGlobalShortcut(KShortcut(), KAction::ActiveShortcut);
}
void KWinDesktopConfig::defaults()
{
// TODO: plasma stuff
m_ui->numberSpinBox->setValue(defaultDesktops);
m_ui->desktopNames->numberChanged(defaultDesktops);
for (int i = 1; i <= maxDesktops; i++) {
m_desktopNames[i-1] = i18n("Desktop %1", i);
if (i <= defaultDesktops)
m_ui->desktopNames->setDefaultName(i);
}
// popup info
m_ui->popupInfoCheckBox->setChecked(false);
m_ui->popupHideSpinBox->setValue(1000);
m_ui->desktopLayoutIndicatorCheckBox->setChecked(true);
m_ui->effectComboBox->setCurrentIndex(1);
m_ui->wrapAroundBox->setChecked(true);
m_ui->rowsSpinBox->setValue(2);
m_editor->allDefault();
emit changed(true);
}
void KWinDesktopConfig::load()
{
// This method is called on reset(). So undo all changes.
undo();
// get number of desktops
unsigned long properties[] = {NET::NumberOfDesktops | NET::DesktopNames, NET::WM2DesktopLayout };
NETRootInfo info(QX11Info::display(), properties, 2);
for (int i = 1; i <= maxDesktops; i++) {
QString name = QString::fromUtf8(info.desktopName(i));
m_desktopNames << name;
m_ui->desktopNames->setName(i, name);
}
m_ui->rowsSpinBox->setValue(info.desktopLayoutColumnsRows().height());
// Popup info
KConfigGroup effectconfig(m_config, "Plugins");
KConfigGroup popupInfo(m_config, "Script-desktopchangeosd");
m_ui->popupInfoCheckBox->setChecked(effectconfig.readEntry("desktopchangeosdEnabled", false));
m_ui->popupHideSpinBox->setValue(popupInfo.readEntry("PopupHideDelay", 1000));
m_ui->desktopLayoutIndicatorCheckBox->setChecked(!popupInfo.readEntry("TextOnly", false));
// Wrap Around on screen edge
KConfigGroup windowConfig(m_config, "Windows");
m_ui->wrapAroundBox->setChecked(windowConfig.readEntry<bool>("RollOverDesktops", true));
// Effect for desktop switching
// Set current option to "none" if no plugin is activated.
m_ui->effectComboBox->setCurrentIndex(0);
if (effectEnabled("slide", effectconfig))
m_ui->effectComboBox->setCurrentIndex(1);
if (effectEnabled("cubeslide", effectconfig))
m_ui->effectComboBox->setCurrentIndex(2);
if (effectEnabled("fadedesktop", effectconfig))
m_ui->effectComboBox->setCurrentIndex(3);
slotEffectSelectionChanged(m_ui->effectComboBox->currentIndex());
// TODO: plasma stuff
QDBusInterface interface("org.kde.plasma-desktop", "/App");
if (interface.isValid()) {
bool perVirtualDesktopViews = interface.call("perVirtualDesktopViews").arguments().first().toBool();
m_ui->activityCheckBox->setEnabled(true);
m_ui->activityCheckBox->setChecked(perVirtualDesktopViews);
} else
m_ui->activityCheckBox->setEnabled(false);
emit changed(false);
}
void KWinDesktopConfig::save()
{
// TODO: plasma stuff
unsigned long properties[] = {NET::NumberOfDesktops | NET::DesktopNames, NET::WM2DesktopLayout };
NETRootInfo info(QX11Info::display(), properties, 2);
// set desktop names
for (int i = 1; i <= maxDesktops; i++) {
QString desktopName = m_desktopNames[ i -1 ];
if (i <= m_ui->numberSpinBox->value())
desktopName = m_ui->desktopNames->name(i);
info.setDesktopName(i, desktopName.toUtf8());
info.activate();
}
// set number of desktops
const int numberDesktops = m_ui->numberSpinBox->value();
info.setNumberOfDesktops(numberDesktops);
info.activate();
int rows =m_ui->rowsSpinBox->value();
rows = qBound(1, rows, numberDesktops);
// avoid weird cases like having 3 rows for 4 desktops, where the last row is unused
int columns = numberDesktops / rows;
if (numberDesktops % rows > 0) {
columns++;
}
info.setDesktopLayout(NET::OrientationHorizontal, columns, rows, NET::DesktopLayoutCornerTopLeft);
info.activate();
XSync(QX11Info::display(), false);
// save the desktops
QString groupname;
const int screenNumber = DefaultScreen(QX11Info::display());
if (screenNumber == 0)
groupname = "Desktops";
else
groupname.sprintf("Desktops-screen-%d", screenNumber);
KConfigGroup group(m_config, groupname);
group.writeEntry("Rows", rows);
// Popup info
KConfigGroup effectconfig(m_config, "Plugins");
KConfigGroup popupInfo(m_config, "Script-desktopchangeosd");
effectconfig.writeEntry("desktopchangeosdEnabled", m_ui->popupInfoCheckBox->isChecked());
popupInfo.writeEntry("PopupHideDelay", m_ui->popupHideSpinBox->value());
popupInfo.writeEntry("TextOnly", !m_ui->desktopLayoutIndicatorCheckBox->isChecked());
// Wrap Around on screen edge
KConfigGroup windowConfig(m_config, "Windows");
windowConfig.writeEntry("RollOverDesktops", m_ui->wrapAroundBox->isChecked());
// Effect desktop switching
int desktopSwitcher = m_ui->effectComboBox->currentIndex();
switch(desktopSwitcher) {
case 0:
// no effect
effectconfig.writeEntry("kwin4_effect_slideEnabled", false);
effectconfig.writeEntry("kwin4_effect_cubeslideEnabled", false);
effectconfig.writeEntry("kwin4_effect_fadedesktopEnabled", false);
break;
case 1:
// slide
effectconfig.writeEntry("kwin4_effect_slideEnabled", true);
effectconfig.writeEntry("kwin4_effect_cubeslideEnabled", false);
effectconfig.writeEntry("kwin4_effect_fadedesktopEnabled", false);
break;
case 2:
// cube
effectconfig.writeEntry("kwin4_effect_slideEnabled", false);
effectconfig.writeEntry("kwin4_effect_cubeslideEnabled", true);
effectconfig.writeEntry("kwin4_effect_fadedesktopEnabled", false);
break;
case 3:
// fadedesktop
effectconfig.writeEntry("kwin4_effect_slideEnabled", false);
effectconfig.writeEntry("kwin4_effect_cubeslideEnabled", false);
effectconfig.writeEntry("kwin4_effect_fadedesktopEnabled", true);
break;
}
m_editor->save();
m_config->sync();
// Send signal to all kwin instances
QDBusMessage message = QDBusMessage::createSignal("/KWin", "org.kde.KWin", "reloadConfig");
QDBusConnection::sessionBus().send(message);
QDBusInterface interface("org.kde.plasma-desktop", "/App");
interface.call("setPerVirtualDesktopViews", (m_ui->activityCheckBox->isChecked()));
emit changed(false);
}
void KWinDesktopConfig::undo()
{
// The global shortcuts editor makes changes active immediately. In case
// of undo we have to undo them manually
m_editor->undoChanges();
}
QString KWinDesktopConfig::cachedDesktopName(int desktop)
{
if (desktop > m_desktopNames.size())
return QString();
return m_desktopNames[ desktop -1 ];
}
QString KWinDesktopConfig::extrapolatedShortcut(int desktop) const
{
if (!desktop || desktop > m_actionCollection->count())
return QString();
if (desktop == 1)
return QString("Ctrl+F1");
KAction *beforeAction = qobject_cast<KAction*>(m_actionCollection->actions().at(qMin(9, desktop - 2)));
QString before = beforeAction->globalShortcut(KAction::ActiveShortcut).toString();
if (before.isEmpty())
before = beforeAction->globalShortcut(KAction::DefaultShortcut).toString();
QString seq;
if (before.contains(QRegExp("F[0-9]{1,2}"))) {
if (desktop < 13) // 10?
seq = QString("F%1").arg(desktop);
else if (!before.contains("Shift"))
seq = "Shift+" + QString("F%1").arg(desktop - 10);
} else if (before.contains(QRegExp("[0-9]"))) {
if (desktop == 10)
seq = '0';
else if (desktop > 10) {
if (!before.contains("Shift"))
seq = "Shift+" + QString::number(desktop == 20 ? 0 : (desktop - 10));
} else
seq = QString::number(desktop);
}
if (!seq.isEmpty()) {
if (before.contains("Ctrl"))
seq.prepend("Ctrl+");
if (before.contains("Alt"))
seq.prepend("Alt+");
if (before.contains("Shift"))
seq.prepend("Shift+");
if (before.contains("Meta"))
seq.prepend("Meta+");
}
return seq;
}
void KWinDesktopConfig::slotChangeShortcuts(int number)
{
if ((number < 1) || (number > maxDesktops))
return;
if (m_ui->allShortcutsCheckBox->isChecked())
number = maxDesktops;
while (number != m_actionCollection->count()) {
if (number < m_actionCollection->count()) {
// Remove the action from the action collection. The action itself
// will still exist because that's the way kwin currently works.
// No need to remove/forget it. See kwinbindings.
KAction *a = qobject_cast<KAction*>(
m_actionCollection->takeAction(m_actionCollection->actions().last()));
// Remove any associated global shortcut. Set it to ""
a->setGlobalShortcut(
KShortcut(),
KAction::ActiveShortcut,
KAction::NoAutoloading);
m_ui->messageLabel->hide();
delete a;
} else {
// add desktop
int desktop = m_actionCollection->count() + 1;
KAction* action = qobject_cast<KAction*>(m_actionCollection->addAction(QString("Switch to Desktop %1").arg(desktop)));
action->setProperty("isConfigurationAction", true);
action->setText(i18n("Switch to Desktop %1", desktop));
action->setGlobalShortcut(KShortcut(), KAction::ActiveShortcut);
QString shortcutString = extrapolatedShortcut(desktop);
if (shortcutString.isEmpty()) {
m_ui->messageLabel->setText(i18n("No suitable Shortcut for Desktop %1 found", desktop));
m_ui->messageLabel->show();
} else {
KShortcut shortcut(shortcutString);
if (!shortcut.primary().isEmpty() || KGlobalAccel::self()->isGlobalShortcutAvailable(shortcut.primary())) {
action->setGlobalShortcut(shortcut, KAction::ActiveShortcut, KAction::NoAutoloading);
m_ui->messageLabel->setText(i18n("Assigned global Shortcut \"%1\" to Desktop %2", shortcutString, desktop));
m_ui->messageLabel->show();
} else {
m_ui->messageLabel->setText(i18n("Shortcut conflict: Could not set Shortcut %1 for Desktop %2", shortcutString, desktop));
m_ui->messageLabel->show();
}
}
}
}
m_editor->clearCollections();
m_editor->addCollection(m_switchDesktopCollection, i18n("Desktop Switching"));
m_editor->addCollection(m_actionCollection, i18n("Desktop Switching"));
}
void KWinDesktopConfig::slotShowAllShortcuts()
{
slotChangeShortcuts(m_ui->numberSpinBox->value());
}
void KWinDesktopConfig::slotEffectSelectionChanged(int index)
{
bool enabled = false;
if (index != 0)
enabled = true;
m_ui->effectInfoButton->setEnabled(enabled);
// only cube has config dialog
if (index != 2)
enabled = false;
m_ui->effectConfigButton->setEnabled(enabled);
}
bool KWinDesktopConfig::effectEnabled(const QString& effect, const KConfigGroup& cfg) const
{
KService::List services = KServiceTypeTrader::self()->query(
"KWin/Effect", "[X-KDE-PluginInfo-Name] == 'kwin4_effect_" + effect + '\'');
if (services.isEmpty())
return false;
QVariant v = services.first()->property("X-KDE-PluginInfo-EnabledByDefault");
return cfg.readEntry("kwin4_effect_" + effect + "Enabled", v.toBool());
}
void KWinDesktopConfig::slotAboutEffectClicked()
{
KServiceTypeTrader* trader = KServiceTypeTrader::self();
KService::List services;
QString effect;
switch(m_ui->effectComboBox->currentIndex()) {
case 1:
effect = "slide";
break;
case 2:
effect = "cubeslide";
break;
case 3:
effect = "fadedesktop";
break;
default:
return;
}
services = trader->query("KWin/Effect", "[X-KDE-PluginInfo-Name] == 'kwin4_effect_" + effect + '\'');
if (services.isEmpty())
return;
KPluginInfo pluginInfo(services.first());
const QString name = pluginInfo.name();
const QString comment = pluginInfo.comment();
const QString author = pluginInfo.author();
const QString email = pluginInfo.email();
const QString website = pluginInfo.website();
const QString version = pluginInfo.version();
const QString license = pluginInfo.license();
const QString icon = pluginInfo.icon();
KAboutData aboutData(name.toUtf8(), name.toUtf8(), ki18n(name.toUtf8()), version.toUtf8(), ki18n(comment.toUtf8()), KAboutLicense::byKeyword(license).key(), ki18n(QByteArray()), ki18n(QByteArray()), website.toLatin1());
aboutData.setProgramIconName(icon);
const QStringList authors = author.split(',');
const QStringList emails = email.split(',');
int i = 0;
if (authors.count() == emails.count()) {
foreach (const QString & author, authors) {
if (!author.isEmpty()) {
aboutData.addAuthor(ki18n(author.toUtf8()), ki18n(QByteArray()), emails[i].toUtf8(), 0);
}
i++;
}
}
QPointer<KAboutApplicationDialog> aboutPlugin = new KAboutApplicationDialog(&aboutData, this);
aboutPlugin->exec();
delete aboutPlugin;
}
void KWinDesktopConfig::slotConfigureEffectClicked()
{
QString effect;
switch(m_ui->effectComboBox->currentIndex()) {
case 2:
effect = "cubeslide_config";
break;
default:
return;
}
KCModuleProxy* proxy = new KCModuleProxy(effect);
QPointer< KDialog > configDialog = new KDialog(this);
configDialog->setWindowTitle(m_ui->effectComboBox->currentText());
configDialog->setButtons(KDialog::Ok | KDialog::Cancel | KDialog::Default);
connect(configDialog, SIGNAL(defaultClicked()), proxy, SLOT(defaults()));
QWidget *showWidget = new QWidget(configDialog);
QVBoxLayout *layout = new QVBoxLayout;
showWidget->setLayout(layout);
layout->addWidget(proxy);
layout->insertSpacing(-1, KDialog::marginHint());
configDialog->setMainWidget(showWidget);
if (configDialog->exec() == QDialog::Accepted) {
proxy->save();
} else {
proxy->load();
}
delete configDialog;
}
} // namespace
#include "main.moc"
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