Differential D18465 Diff 52275 plugins/platforms/wayland/wayland_output.cpp

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plugins/platforms/wayland/wayland_output.cpp

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1​/********************************************************************
2​ KWin - the KDE window manager
3​ This file is part of the KDE project.
4​
5​Copyright 2019 Roman Gilg <subdiff@gmail.com>
6​
7​This program is free software; you can redistribute it and/or modify
8​it under the terms of the GNU General Public License as published by
9​the Free Software Foundation; either version 2 of the License, or
10​(at your option) any later version.
11​
12​This program is distributed in the hope that it will be useful,
13​but WITHOUT ANY WARRANTY; without even the implied warranty of
14​MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15​GNU General Public License for more details.
16​
17​You should have received a copy of the GNU General Public License
18​along with this program. If not, see <http://www.gnu.org/licenses/>.
19​*********************************************************************/
20​
21​#include "wayland_output.h"
22​#include "wayland_backend.h"
23​
24​#include "wayland_server.h"
25​
26​#include <KWayland/Client/pointerconstraints.h>
27​#include <KWayland/Client/surface.h>
28​#include <KWayland/Client/shell.h>
29​
30​#include <KWayland/Server/display.h>
31​
32​#include <KLocalizedString>
33​
34​namespace KWin
35​{
36​namespace Wayland
37​{
38​
39​using namespace KWayland::Client;
40​
41​WaylandOutput::WaylandOutput(Surface *surface, QObject *parent)
42​ : AbstractOutput(parent),
43​ m_surface(surface)
44​{
45​ connect(surface, &Surface::frameRendered, [this] {
46​ m_rendered = true;
47​ emit frameRendered();
48​ });
49​}
50​
51​WaylandOutput::~WaylandOutput()
52​{
53​ m_surface->destroy();
54​ delete m_surface;
55​}
56​
57​QSize WaylandOutput::pixelSize() const
58​{
59​ return m_pixelSize;
60​}
61​
62​void WaylandOutput::setGeometry(const QPoint &logicalPosition, const QSize &pixelSize)
63​{
64​ m_pixelSize = pixelSize;
65​ setRawPhysicalSize(pixelSize);
66​ setGlobalPos(logicalPosition);
67​}
68​
69​ShellOutput::ShellOutput(Surface *surface, Shell *shell, WaylandBackend *backend)
70​ : WaylandOutput(surface, backend)
71​{
72​ auto shellSurface = shell->createSurface(surface, this);
73​ shellSurface->setToplevel();
74​}
75​
76​ShellOutput::~ShellOutput()
77​{
78​ m_shellSurface->destroy();
79​ delete m_shellSurface;
80​}
81​
82​XdgShellOutput::XdgShellOutput(Surface *surface, XdgShell *xdgShell, WaylandBackend *backend, int number)
83​ : WaylandOutput(surface, backend)
84​ , m_backend(backend)
85​ , m_number(number)
86​{
87​ m_xdgShellSurface = xdgShell->createSurface(surface, this);
88​ updateWindowTitle();
89​
90​ connect(m_xdgShellSurface, &XdgShellSurface::configureRequested, this, &XdgShellOutput::handleConfigure);
91​ connect(m_xdgShellSurface, &XdgShellSurface::closeRequested, qApp, &QCoreApplication::quit);
92​
93​ connect(backend, &WaylandBackend::pointerLockSupportedChanged, this, &XdgShellOutput::updateWindowTitle);
94​ connect(backend, &WaylandBackend::pointerLockChanged, this, [this](bool locked) {
95​ if (locked) {
96​ if (!m_hasPointerLock) {
97​ // some other output has locked the pointer
98​ // this surface can stop trying to lock the pointer
99​ lockPointer(nullptr, false);
100​ // set it true for the other surface
101​ m_hasPointerLock = true;
102​ }
103​ } else {
104​ // just try unlocking
105​ lockPointer(nullptr, false);
106​ }
107​ updateWindowTitle();
108​ });
109​}
110​
111​XdgShellOutput::~XdgShellOutput()
112​{
113​ m_xdgShellSurface->destroy();
114​ delete m_xdgShellSurface;
115​}
116​
117​void XdgShellOutput::handleConfigure(const QSize &size, XdgShellSurface::States states, quint32 serial)
118​{
119​ Q_UNUSED(states);
120​ if (size.width() == 0 || size.height() == 0) {
121​ return;
122​ }
123​ setGeometry(geometry().topLeft(), size);
124​ m_xdgShellSurface->ackConfigure(serial);
125​ emit sizeChanged(size);
126​}
127​
128​void XdgShellOutput::updateWindowTitle()
129​{
130​ QString grab;
131​ if (m_hasPointerLock) {
132​ grab = i18n("Press right control to ungrab pointer");
133​ } else if (m_backend->pointerConstraints()) {
134​ grab = i18n("Press right control key to grab pointer");
135​ }
136​ const QString title = i18nc("Title of nested KWin Wayland with Wayland socket identifier as argument",
137​ "KDE Wayland Compositor #%1 (%2)", m_number, waylandServer()->display()->socketName());
138​
139​ if (grab.isEmpty()) {
140​ m_xdgShellSurface->setTitle(title);
141​ } else {
142​ m_xdgShellSurface->setTitle(title + QStringLiteral(" — ") + grab);
143​ }
144​}
145​
146​void XdgShellOutput::lockPointer(Pointer *pointer, bool lock)
147​{
148​ if (!lock) {
149​ const bool surfaceWasLocked = m_pointerLock && m_hasPointerLock;
150​ delete m_pointerLock;
151​ m_pointerLock = nullptr;
152​ m_hasPointerLock = false;
153​ if (surfaceWasLocked) {
154​ emit m_backend->pointerLockChanged(false);
155​ }
156​ return;
157​ }
158​
159​ Q_ASSERT(!m_pointerLock);
160​ m_pointerLock = m_backend->pointerConstraints()->lockPointer(surface(), pointer, nullptr,
161​ PointerConstraints::LifeTime::OneShot,
162​ this);
163​ if (!m_pointerLock->isValid()) {
164​ delete m_pointerLock;
165​ m_pointerLock = nullptr;
166​ return;
167​ }
168​ connect(m_pointerLock, &LockedPointer::locked, this,
169​ [this] {
170​ m_hasPointerLock = true;
171​ emit m_backend->pointerLockChanged(true);
172​ }
173​ );
174​ connect(m_pointerLock, &LockedPointer::unlocked, this,
175​ [this] {
176​ delete m_pointerLock;
177​ m_pointerLock = nullptr;
178​ m_hasPointerLock = false;
179​ emit m_backend->pointerLockChanged(false);
180​ }
181​ );
182​}
183​
184​}
185​}