kwin/kcmkwin/kwinrules/main.cpp

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/*
* Copyright (c) 2004 Lubos Lunak <l.lunak@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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <QCommandLineParser>
#include <QApplication>
#include <kconfig.h>
#include <KLocalizedString>
#include <kwindowsystem.h>
#include "ruleswidget.h"
#include "../../rules.h"
#include <QByteArray>
#include <QDBusConnection>
#include <QDBusMessage>
#include <QDBusPendingCallWatcher>
#include <QDBusPendingReply>
#include <QUuid>
Q_DECLARE_METATYPE(NET::WindowType)
namespace KWin
{
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static void loadRules(QList< Rules* >& rules)
{
KConfig _cfg("kwinrulesrc", KConfig::NoGlobals);
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KConfigGroup cfg(&_cfg, "General");
int count = cfg.readEntry("count", 0);
for (int i = 1;
i <= count;
++i) {
cfg = KConfigGroup(&_cfg, QString::number(i));
Rules* rule = new Rules(cfg);
rules.append(rule);
}
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}
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static void saveRules(const QList< Rules* >& rules)
{
KConfig cfg("kwinrulesrc", KConfig::NoGlobals);
QStringList groups = cfg.groupList();
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for (QStringList::ConstIterator it = groups.constBegin();
it != groups.constEnd();
++it)
cfg.deleteGroup(*it);
cfg.group("General").writeEntry("count", rules.count());
int i = 1;
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for (QList< Rules* >::ConstIterator it = rules.constBegin();
it != rules.constEnd();
++it) {
KConfigGroup cg(&cfg, QString::number(i));
(*it)->write(cg);
++i;
}
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}
static Rules* findRule(const QList< Rules* >& rules, const QVariantMap &data, bool whole_app)
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{
QByteArray wmclass_class = data.value("resourceClass").toByteArray().toLower();
QByteArray wmclass_name = data.value("resourceName").toByteArray().toLower();
QByteArray role = data.value("role").toByteArray().toLower();
NET::WindowType type = data.value("type").value<NET::WindowType>();
QString title = data.value("caption").toString();
QByteArray machine = data.value("clientMachine").toByteArray();
Rules* best_match = nullptr;
int match_quality = 0;
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for (QList< Rules* >::ConstIterator it = rules.constBegin();
it != rules.constEnd();
++it) {
// try to find an exact match, i.e. not a generic rule
Rules* rule = *it;
int quality = 0;
bool generic = true;
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if (rule->wmclassmatch != Rules::ExactMatch)
continue; // too generic
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if (!rule->matchWMClass(wmclass_class, wmclass_name))
continue;
// from now on, it matches the app - now try to match for a specific window
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if (rule->wmclasscomplete) {
quality += 1;
generic = false; // this can be considered specific enough (old X apps)
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}
if (!whole_app) {
if (rule->windowrolematch != Rules::UnimportantMatch) {
quality += rule->windowrolematch == Rules::ExactMatch ? 5 : 1;
generic = false;
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}
if (rule->titlematch != Rules::UnimportantMatch) {
quality += rule->titlematch == Rules::ExactMatch ? 3 : 1;
generic = false;
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}
if (rule->types != NET::AllTypesMask) {
int bits = 0;
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for (unsigned int bit = 1;
bit < 1U << 31;
bit <<= 1)
if (rule->types & bit)
++bits;
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if (bits == 1)
quality += 2;
}
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if (generic) // ignore generic rules, use only the ones that are for this window
continue;
} else {
if (rule->types == NET::AllTypesMask)
quality += 2;
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}
if (!rule->matchType(type)
|| !rule->matchRole(role)
|| !rule->matchTitle(title)
|| !rule->matchClientMachine(machine, data.value("localhost").toBool()))
continue;
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if (quality > match_quality) {
best_match = rule;
match_quality = quality;
}
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}
if (best_match != nullptr)
return best_match;
Rules* ret = new Rules;
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if (whole_app) {
ret->description = i18n("Application settings for %1", QString::fromLatin1(wmclass_class));
// TODO maybe exclude some types? If yes, then also exclude them above
// when searching.
ret->types = NET::AllTypesMask;
ret->titlematch = Rules::UnimportantMatch;
ret->clientmachine = machine; // set, but make unimportant
ret->clientmachinematch = Rules::UnimportantMatch;
ret->windowrolematch = Rules::UnimportantMatch;
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if (wmclass_name == wmclass_class) {
ret->wmclasscomplete = false;
ret->wmclass = wmclass_class;
ret->wmclassmatch = Rules::ExactMatch;
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} else {
// WM_CLASS components differ - perhaps the app got -name argument
ret->wmclasscomplete = true;
ret->wmclass = wmclass_name + ' ' + wmclass_class;
ret->wmclassmatch = Rules::ExactMatch;
}
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return ret;
}
ret->description = i18n("Window settings for %1", QString::fromLatin1(wmclass_class));
if (type == NET::Unknown)
ret->types = NET::NormalMask;
else
ret->types = NET::WindowTypeMask( 1 << type); // convert type to its mask
ret->title = title; // set, but make unimportant
ret->titlematch = Rules::UnimportantMatch;
ret->clientmachine = machine; // set, but make unimportant
ret->clientmachinematch = Rules::UnimportantMatch;
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if (!role.isEmpty()
&& role != "unknown" && role != "unnamed") { // Qt sets this if not specified
ret->windowrole = role;
ret->windowrolematch = Rules::ExactMatch;
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if (wmclass_name == wmclass_class) {
ret->wmclasscomplete = false;
ret->wmclass = wmclass_class;
ret->wmclassmatch = Rules::ExactMatch;
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} else {
// WM_CLASS components differ - perhaps the app got -name argument
ret->wmclasscomplete = true;
ret->wmclass = wmclass_name + ' ' + wmclass_class;
ret->wmclassmatch = Rules::ExactMatch;
}
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} else { // no role set
if (wmclass_name != wmclass_class) {
ret->wmclasscomplete = true;
ret->wmclass = wmclass_name + ' ' + wmclass_class;
ret->wmclassmatch = Rules::ExactMatch;
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} else {
// This is a window that has no role set, and both components of WM_CLASS
// match (possibly only differing in case), which most likely means either
// the application doesn't give a damn about distinguishing its various
// windows, or it's an app that uses role for that, but this window
// lacks it for some reason. Use non-complete WM_CLASS matching, also
// include window title in the matching, and pray it causes many more positive
// matches than negative matches.
ret->titlematch = Rules::ExactMatch;
ret->wmclasscomplete = false;
ret->wmclass = wmclass_class;
ret->wmclassmatch = Rules::ExactMatch;
}
}
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return ret;
}
static void edit(const QVariantMap &data, bool whole_app)
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{
QList< Rules* > rules;
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loadRules(rules);
Rules* orig_rule = findRule(rules, data, whole_app);
RulesDialog dlg;
if (whole_app)
dlg.setWindowTitle(i18nc("Window caption for the application wide rules dialog", "Edit Application-Specific Settings"));
// dlg.edit() creates new Rules instance if edited
Rules* edited_rule = dlg.edit(orig_rule, data, true);
if (edited_rule == nullptr || edited_rule->isEmpty()) {
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rules.removeAll(orig_rule);
delete orig_rule;
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if (orig_rule != edited_rule)
delete edited_rule;
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} else if (edited_rule != orig_rule) {
int pos = rules.indexOf(orig_rule);
if (pos != -1)
rules[ pos ] = edited_rule;
else
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rules.prepend(edited_rule);
delete orig_rule;
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}
saveRules(rules);
// Send signal to all kwin instances
QDBusMessage message =
QDBusMessage::createSignal("/KWin", "org.kde.KWin", "reloadConfig");
QDBusConnection::sessionBus().send(message);
qApp->quit();
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}
} // namespace
int main(int argc, char* argv[])
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{
QApplication app(argc, argv);
app.setAttribute(Qt::AA_UseHighDpiPixmaps, true);
app.setApplicationDisplayName(i18n("KWin"));
app.setApplicationName("kwin_rules_dialog");
app.setApplicationVersion("1.0");
bool whole_app = false;
QUuid uuid;
{
QCommandLineParser parser;
parser.setApplicationDescription(i18n("KWin helper utility"));
parser.addOption(QCommandLineOption("uuid", i18n("KWin id of the window for special window settings."), "uuid"));
parser.addOption(QCommandLineOption("whole-app", i18n("Whether the settings should affect all windows of the application.")));
parser.process(app);
uuid = QUuid::fromString(parser.value("uuid"));
whole_app = parser.isSet("whole-app");
}
if (uuid.isNull()) {
printf("%s\n", qPrintable(i18n("This helper utility is not supposed to be called directly.")));
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return 1;
}
QDBusMessage message = QDBusMessage::createMethodCall(QStringLiteral("org.kde.KWin"),
QStringLiteral("/KWin"),
QStringLiteral("org.kde.KWin"),
QStringLiteral("getWindowInfo"));
message.setArguments({uuid.toString()});
QDBusPendingReply<QVariantMap> async = QDBusConnection::sessionBus().asyncCall(message);
QDBusPendingCallWatcher *callWatcher = new QDBusPendingCallWatcher(async, &app);
QObject::connect(callWatcher, &QDBusPendingCallWatcher::finished, &app,
[&whole_app] (QDBusPendingCallWatcher *self) {
QDBusPendingReply<QVariantMap> reply = *self;
self->deleteLater();
if (!reply.isValid() || reply.value().isEmpty()) {
qApp->quit();
return;
}
KWin::edit(reply.value(), whole_app);
}
);
return app.exec();
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}