kwin/kcmkwin/kwinrules/main.cpp
Thomas Lübking 8855f47f34 lazy setting of xbc properties on qApp
just a wild guess - the crashes showed up
somewhen after the early setting of the property/
X11Info access - if this indeed is the cause, they
should disappear or only appear after actually using
the detect button. We'll see.

CCBUG: 346748
REVIEW: 123777
2015-05-15 23:55:28 +02:00

267 lines
10 KiB
C++

/*
* 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 <QtDBus/QtDBus>
#include <X11/Xlib.h>
#include <fixx11h.h>
#include "ruleswidget.h"
#include "../../rules.h"
#include "../../client_machine.h"
#include <QByteArray>
namespace KWin
{
static void loadRules(QList< Rules* >& rules)
{
KConfig _cfg("kwinrulesrc");
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);
}
}
static void saveRules(const QList< Rules* >& rules)
{
KConfig cfg("kwinrulesrc");
QStringList groups = cfg.groupList();
for (QStringList::ConstIterator it = groups.constBegin();
it != groups.constEnd();
++it)
cfg.deleteGroup(*it);
cfg.group("General").writeEntry("count", rules.count());
int i = 1;
for (QList< Rules* >::ConstIterator it = rules.constBegin();
it != rules.constEnd();
++it) {
KConfigGroup cg(&cfg, QString::number(i));
(*it)->write(cg);
++i;
}
}
static Rules* findRule(const QList< Rules* >& rules, Window wid, bool whole_app)
{
KWindowInfo info = KWindowInfo(wid,
NET::WMName | NET::WMWindowType,
NET::WM2WindowClass | NET::WM2WindowRole | NET::WM2ClientMachine);
if (!info.valid()) // shouldn't really happen
return nullptr;
ClientMachine clientMachine;
clientMachine.resolve(info.win(), info.groupLeader());
QByteArray wmclass_class = info.windowClassClass().toLower();
QByteArray wmclass_name = info.windowClassName().toLower();
QByteArray role = info.windowRole().toLower();
NET::WindowType type = info.windowType(NET::NormalMask | NET::DesktopMask | NET::DockMask
| NET::ToolbarMask | NET::MenuMask | NET::DialogMask | NET::OverrideMask | NET::TopMenuMask
| NET::UtilityMask | NET::SplashMask);
QString title = info.name();
QByteArray machine = clientMachine.hostName();
Rules* best_match = nullptr;
int match_quality = 0;
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;
if (rule->wmclassmatch != Rules::ExactMatch)
continue; // too generic
if (!rule->matchWMClass(wmclass_class, wmclass_name))
continue;
// from now on, it matches the app - now try to match for a specific window
if (rule->wmclasscomplete) {
quality += 1;
generic = false; // this can be considered specific enough (old X apps)
}
if (!whole_app) {
if (rule->windowrolematch != Rules::UnimportantMatch) {
quality += rule->windowrolematch == Rules::ExactMatch ? 5 : 1;
generic = false;
}
if (rule->titlematch != Rules::UnimportantMatch) {
quality += rule->titlematch == Rules::ExactMatch ? 3 : 1;
generic = false;
}
if (rule->types != NET::AllTypesMask) {
int bits = 0;
for (unsigned int bit = 1;
bit < 1U << 31;
bit <<= 1)
if (rule->types & bit)
++bits;
if (bits == 1)
quality += 2;
}
if (generic) // ignore generic rules, use only the ones that are for this window
continue;
} else {
if (rule->types == NET::AllTypesMask)
quality += 2;
}
if (!rule->matchType(type)
|| !rule->matchRole(role)
|| !rule->matchTitle(title)
|| !rule->matchClientMachine(machine, clientMachine.isLocal()))
continue;
if (quality > match_quality) {
best_match = rule;
match_quality = quality;
}
}
if (best_match != nullptr)
return best_match;
Rules* ret = new Rules;
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;
if (wmclass_name == wmclass_class) {
ret->wmclasscomplete = false;
ret->wmclass = wmclass_class;
ret->wmclassmatch = Rules::ExactMatch;
} else {
// WM_CLASS components differ - perhaps the app got -name argument
ret->wmclasscomplete = true;
ret->wmclass = wmclass_name + ' ' + wmclass_class;
ret->wmclassmatch = Rules::ExactMatch;
}
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;
if (!role.isEmpty()
&& role != "unknown" && role != "unnamed") { // Qt sets this if not specified
ret->windowrole = role;
ret->windowrolematch = Rules::ExactMatch;
if (wmclass_name == wmclass_class) {
ret->wmclasscomplete = false;
ret->wmclass = wmclass_class;
ret->wmclassmatch = Rules::ExactMatch;
} else {
// WM_CLASS components differ - perhaps the app got -name argument
ret->wmclasscomplete = true;
ret->wmclass = wmclass_name + ' ' + wmclass_class;
ret->wmclassmatch = Rules::ExactMatch;
}
} else { // no role set
if (wmclass_name != wmclass_class) {
ret->wmclasscomplete = true;
ret->wmclass = wmclass_name + ' ' + wmclass_class;
ret->wmclassmatch = Rules::ExactMatch;
} 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;
}
}
return ret;
}
static int edit(Window wid, bool whole_app)
{
QList< Rules* > rules;
loadRules(rules);
Rules* orig_rule = findRule(rules, wid, 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, wid, true);
if (edited_rule == nullptr || edited_rule->isEmpty()) {
rules.removeAll(orig_rule);
delete orig_rule;
if (orig_rule != edited_rule)
delete edited_rule;
} else if (edited_rule != orig_rule) {
int pos = rules.indexOf(orig_rule);
if (pos != -1)
rules[ pos ] = edited_rule;
else
rules.prepend(edited_rule);
delete orig_rule;
}
saveRules(rules);
// Send signal to all kwin instances
QDBusMessage message =
QDBusMessage::createSignal("/KWin", "org.kde.KWin", "reloadConfig");
QDBusConnection::sessionBus().send(message);
return 0;
}
} // namespace
extern "C"
KWIN_EXPORT int kdemain(int argc, char* argv[])
{
QApplication app(argc, argv);
app.setApplicationDisplayName(i18n("KWin"));
app.setApplicationName("kwin_rules_dialog");
app.setApplicationVersion("1.0");
bool whole_app = false;
bool id_ok = false;
Window id = None;
{
QCommandLineParser parser;
parser.setApplicationDescription(i18n("KWin helper utility"));
parser.addOption(QCommandLineOption("wid", i18n("WId of the window for special window settings."), "wid"));
parser.addOption(QCommandLineOption("whole-app", i18n("Whether the settings should affect all windows of the application.")));
parser.process(app);
id = parser.value("wid").toULongLong(&id_ok);
whole_app = parser.isSet("whole-app");
}
if (!id_ok || id == None) {
printf("%s\n", qPrintable(i18n("This helper utility is not supposed to be called directly.")));
return 1;
}
return KWin::edit(id, whole_app);
}