git.iko.soy/unity8
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unity8/plugins/WindowManager/Screens.cpp
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1/*
2 * Copyright (C) 2016-2017 Canonical, Ltd.
3 *
4 * This program is free software: you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License version 3, as published by
6 * the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
10 * SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
17#include "Screens.h"
18#include "ScreensConfiguration.h"
19#include "Screen.h"
20#include "WorkspaceManager.h"
22// qtmirserver
23#include <qtmir/screens.h>
24#include <QGuiApplication>
25#include <QQmlEngine>
27// Qt
28#include <QScreen>
29#include <QWindow>
31ConcreteScreens* ConcreteScreens::m_self{nullptr};
33Screens::Screens(const QSharedPointer<qtmir::Screens>& model)
34 : m_wrapped(model)
38Screens::~Screens()
40 qDeleteAll(m_screens);
41 m_screens.clear();
44QHash<int, QByteArray> Screens::roleNames() const
46 QHash<int, QByteArray> roles;
47 roles[ScreenRole] = "screen";
48 return roles;
51QVariant Screens::data(const QModelIndex &index, int role) const
53 if (!index.isValid() || index.row() >= m_screens.size()) {
54 return QVariant();
55 }
57 switch(role) {
58 case ScreenRole:
59 return QVariant::fromValue(m_screens.at(index.row()));
60 } // switch
62 return QVariant();
65int Screens::rowCount(const QModelIndex &) const
67 return count();
70int Screens::indexOf(Screen *screen) const
72 return m_screens.indexOf(screen);
75Screen *Screens::get(int index) const
77 return m_screens.at(index);
80int Screens::count() const
82 return m_screens.size();
85QVariant Screens::activeScreen() const
87 for (int i = 0; i < m_screens.count(); i++) {
88 if (m_screens[i]->isActive()) return i;
89 }
90 return QVariant();
93void Screens::activateScreen(const QVariant& vindex)
95 bool ok = false;
96 int index = vindex.toInt(&ok);
97 if (!ok || index < 0 || m_screens.count() <= index) return;
99 auto screen = m_screens.at(index);
100 screen->setActive(true);
104ConcreteScreens::ConcreteScreens(const QSharedPointer<qtmir::Screens> &model, ScreensConfiguration* config)
105 : Screens(model)
106 , m_config(config)
108 m_self = this;
109 connect(m_wrapped.data(), &qtmir::Screens::screenAdded, this, &ConcreteScreens::onScreenAdded);
110 connect(m_wrapped.data(), &qtmir::Screens::screenRemoved, this, &ConcreteScreens::onScreenRemoved);
111 connect(m_wrapped.data(), &qtmir::Screens::activeScreenChanged, this, &ConcreteScreens::activeScreenChanged);
113 Q_FOREACH(qtmir::Screen* screen, m_wrapped->screens()) {
114 auto screenWrapper(new ConcreteScreen(screen));
115 m_config->load(screenWrapper);
117 QQmlEngine::setObjectOwnership(screenWrapper, QQmlEngine::CppOwnership);
118 m_screens.push_back(screenWrapper);
119 }
122ConcreteScreens::~ConcreteScreens()
124 Q_FOREACH(Screen* screen, m_screens) {
125 m_config->save(screen);
126 }
127 delete m_config;
130ConcreteScreens *ConcreteScreens::self()
132 return ConcreteScreens::m_self;
135ProxyScreens *ConcreteScreens::createProxy()
137 return new ProxyScreens(this);
140void ConcreteScreens::sync(ProxyScreens *proxy)
142 if (!proxy) return;
143 proxy->setSyncing(true);
145 const auto& proxyList = proxy->list();
146 for (int i = 0; i < m_screens.count() && i < proxyList.count(); ++i) {
147 m_screens[i]->sync(proxyList[i]);
148 }
150 proxy->setSyncing(false);
153void ConcreteScreens::onScreenAdded(qtmir::Screen *added)
155 Q_FOREACH(auto screenWrapper, m_screens) {
156 if (screenWrapper->wrapped() == added) return;
157 }
159 beginInsertRows(QModelIndex(), count(), count());
160 auto screenWrapper(new ConcreteScreen(added));
161 m_config->load(screenWrapper);
163 QQmlEngine::setObjectOwnership(screenWrapper, QQmlEngine::CppOwnership);
164 m_screens.push_back(screenWrapper);
165 endInsertRows();
166 Q_EMIT screenAdded(screenWrapper);
167 Q_EMIT countChanged();
170void ConcreteScreens::onScreenRemoved(qtmir::Screen *removed)
172 int index = 0;
173 QMutableVectorIterator<Screen*> iter(m_screens);
174 while(iter.hasNext()) {
175 auto screenWrapper = iter.next();
176 if (screenWrapper->wrapped() == removed) {
177 m_config->save(screenWrapper);
179 beginRemoveRows(QModelIndex(), index, index);
180 iter.remove();
181 endRemoveRows();
183 Q_EMIT screenRemoved(screenWrapper);
184 Q_EMIT countChanged();
186 screenWrapper->deleteLater();
187 break;
188 }
189 index++;
190 }
194ProxyScreens::ProxyScreens(Screens * const screens)
195 : Screens(screens->m_wrapped)
196 , m_original(screens)
197 , m_syncing(false)
199 connect(screens, &Screens::screenAdded, this, [this](Screen *added) {
200 Q_FOREACH(auto screen, m_screens) {
201 auto proxy = static_cast<ProxyScreen*>(screen);
202 if (proxy->proxyObject() == added) return;
203 }
205 beginInsertRows(QModelIndex(), count(), count());
206 auto screenWrapper(new ProxyScreen(added, this));
207 QQmlEngine::setObjectOwnership(screenWrapper, QQmlEngine::CppOwnership);
208 m_screens.push_back(screenWrapper);
209 endInsertRows();
210 Q_EMIT screenAdded(screenWrapper);
211 Q_EMIT countChanged();
212 });
214 connect(screens, &Screens::screenRemoved, this, [this](Screen *removed) {
215 int index = 0;
216 QMutableVectorIterator<Screen*> iter(m_screens);
217 while(iter.hasNext()) {
218 auto proxy = static_cast<ProxyScreen*>(iter.next());
219 if (proxy->proxyObject() == removed) {
221 beginRemoveRows(QModelIndex(), index, index);
222 iter.remove();
223 endRemoveRows();
225 Q_EMIT screenRemoved(proxy);
226 Q_EMIT countChanged();
228 delete proxy;
229 break;
230 }
231 index++;
232 }
233 });
235 Q_FOREACH(Screen* screen, screens->list()) {
236 auto screenWrapper(new ProxyScreen(screen, this));
237 QQmlEngine::setObjectOwnership(screenWrapper, QQmlEngine::CppOwnership);
238 m_screens.push_back(screenWrapper);
239 }
242void ProxyScreens::setSyncing(bool syncing)
244 m_syncing = syncing;