121 lines
3.2 KiB
C++
121 lines
3.2 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 1999, 2000 Matthias Ettrich <ettrich@kde.org>
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SPDX-FileCopyrightText: 2003 Lubos Lunak <l.lunak@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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//#define QT_CLEAN_NAMESPACE
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#include "group.h"
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#include "effects.h"
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#include "workspace.h"
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#include "x11window.h"
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#include <KX11Extras>
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#include <QDebug>
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namespace KWin
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{
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//********************************************
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// Group
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//********************************************
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Group::Group(xcb_window_t leader_P)
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: leader_client(nullptr)
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, leader_wid(leader_P)
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, leader_info(nullptr)
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, user_time(-1U)
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, refcount(0)
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{
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if (leader_P != XCB_WINDOW_NONE) {
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leader_client = workspace()->findClient(Predicate::WindowMatch, leader_P);
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leader_info = std::make_unique<NETWinInfo>(kwinApp()->x11Connection(), leader_P, kwinApp()->x11RootWindow(),
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NET::Properties(), NET::WM2StartupId);
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}
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effect_group = std::make_unique<EffectWindowGroupImpl>(this);
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workspace()->addGroup(this);
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}
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Group::~Group() = default;
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QIcon Group::icon() const
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{
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if (leader_client != nullptr) {
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return leader_client->icon();
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} else if (leader_wid != XCB_WINDOW_NONE) {
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QIcon ic;
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NETWinInfo info(kwinApp()->x11Connection(), leader_wid, kwinApp()->x11RootWindow(), NET::WMIcon, NET::WM2IconPixmap);
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auto readIcon = [&ic, &info, this](int size, bool scale = true) {
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const QPixmap pix = KX11Extras::icon(leader_wid, size, size, scale, KX11Extras::NETWM | KX11Extras::WMHints, &info);
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if (!pix.isNull()) {
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ic.addPixmap(pix);
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}
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};
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readIcon(16);
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readIcon(32);
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readIcon(48, false);
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readIcon(64, false);
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readIcon(128, false);
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return ic;
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}
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return QIcon();
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}
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void Group::addMember(X11Window *member_P)
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{
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_members.append(member_P);
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// qDebug() << "GROUPADD:" << this << ":" << member_P;
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// qDebug() << kBacktrace();
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}
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void Group::removeMember(X11Window *member_P)
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{
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// qDebug() << "GROUPREMOVE:" << this << ":" << member_P;
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// qDebug() << kBacktrace();
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Q_ASSERT(_members.contains(member_P));
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_members.removeAll(member_P);
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// there are cases when automatic deleting of groups must be delayed,
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// e.g. when removing a member and doing some operation on the possibly
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// other members of the group (which would be however deleted already
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// if there were no other members)
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if (refcount == 0 && _members.isEmpty()) {
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workspace()->removeGroup(this);
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delete this;
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}
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}
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void Group::ref()
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{
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++refcount;
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}
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void Group::deref()
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{
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if (--refcount == 0 && _members.isEmpty()) {
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workspace()->removeGroup(this);
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delete this;
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}
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}
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void Group::gotLeader(X11Window *leader_P)
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{
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Q_ASSERT(leader_P->window() == leader_wid);
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leader_client = leader_P;
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}
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void Group::lostLeader()
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{
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Q_ASSERT(!_members.contains(leader_client));
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leader_client = nullptr;
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if (_members.isEmpty()) {
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workspace()->removeGroup(this);
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delete this;
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}
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}
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} // namespace
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