Differential D28623 Diff 82266 kded/kwin_bridge/dummydecorationbridge.cpp

Changeset View

Standalone View

View Options

kded/kwin_bridge/dummydecorationbridge.cpp

  • This file was added.
1​/*
2​ * Copyright 2020 Mikhail Zolotukhin <zomial@protonmail.com>
3​ *
4​ * This program is free software; you can redistribute it and/or
5​ * modify it under the terms of the GNU General Public License as
6​ * published by the Free Software Foundation; either version 2 of
7​ * the License or (at your option) version 3 or any later version
8​ * accepted by the membership of KDE e.V. (or its successor approved
9​ * by the membership of KDE e.V.), which shall act as a proxy
10​ * defined in Section 14 of version 3 of the license.
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 <QCoreApplication>
22​#include <QMouseEvent>
23​
24​#include <KDecoration2/Decoration>
25​#include <KDecoration2/DecorationSettings>
26​#include <KDecoration2/DecoratedClient>
27​#include <KDecoration2/Private/DecoratedClientPrivate>
28​#include <KDecoration2/Private/DecorationSettingsPrivate>
29​#include <KPluginFactory>
30​#include <KPluginLoader>
31​#include <KPluginMetaData>
32​
33​#include "dummydecorationbridge.h"
34​#include "dummydecorationsettings.h"
35​#include "dummydecoratedclient.h"
36​
37​namespace KDecoration2
38​{
39​
40​DummyDecorationBridge::DummyDecorationBridge(const QString &decorationTheme, QObject *parent)
41​ : DecorationBridge(parent)
42​ , m_factory()
43​ , m_decoration()
44​ , m_client()
45​{
46​ const QString pluginPath = windowDecorationPluginPath(decorationTheme);
47​ KPluginLoader loader {pluginPath};
48​ m_factory = loader.factory();
49​
50​ QVariantMap args({ {QStringLiteral("bridge"), QVariant::fromValue(this)} });
51​ m_decoration = m_factory->create<KDecoration2::Decoration>(m_factory, QVariantList({args}));
52​
53​ auto decorationSettings = QSharedPointer<KDecoration2::DecorationSettings>::create(this);
54​ m_decoration->setSettings(decorationSettings);
55​ m_decoration->init();
56​}
57​
58​std::unique_ptr< KDecoration2::DecorationSettingsPrivate > DummyDecorationBridge::settings(KDecoration2::DecorationSettings *parent)
59​{
60​ return std::unique_ptr<DummyDecorationSettings>(new DummyDecorationSettings(parent));
61​}
62​
63​void DummyDecorationBridge::update(KDecoration2::Decoration *decoration, const QRect &geometry)
64​{
65​ Q_UNUSED(decoration)
66​ Q_UNUSED(geometry)
67​}
68​
69​std::unique_ptr< KDecoration2::DecoratedClientPrivate > DummyDecorationBridge::createClient(KDecoration2::DecoratedClient *client, KDecoration2::Decoration *decoration)
70​{
71​ auto ptr = std::unique_ptr<DummyDecoratedClient>(new DummyDecoratedClient(client, decoration));
72​ m_client = ptr.get();
73​ return ptr;
74​}
75​
76​void DummyDecorationBridge::paintButton(QPainter &painter, const QString &buttonType, const QString &buttonState)
77​{
78​ std::unique_ptr<KDecoration2::DecorationButton> button {m_factory->create<KDecoration2::DecorationButton>(
79​ QStringLiteral("button"),
80​ m_decoration,
81​ QVariantList({
82​ QVariant::fromValue(strToButtonType(buttonType)),
83​ QVariant::fromValue(m_decoration)
84​ })
85​ )};
86​
87​ if (button == nullptr) {
88​ return;
89​ }
90​
91​ if (buttonType == QStringLiteral("maximized")) {
92​ // Different decorations use different ways to know if the windows is maximized
93​ // For example Breeze uses 'checked' property, but Oxygen uses client's 'isMaximized' method
94​ button->setChecked(true);
95​ if (m_client) {
96​ dynamic_cast<DummyDecoratedClient*>(m_client)->setMaximized(true);
97​ }
98​ }
99​
100​ if (buttonState == QStringLiteral("active")) {
101​ passMousePressEventToButton(button.get());
102​ } else if (buttonState == QStringLiteral("hover")) {
103​ passMouseHoverEventToButton(button.get());
104​ }
105​
106​ button->paint(&painter, {0, 0, 20, 20});
107​}
108​
109​QString DummyDecorationBridge::windowDecorationPluginPath(const QString &decorationTheme) const
110​{
111​ const auto decorationPlugins = KPluginLoader::findPlugins(QStringLiteral("org.kde.kdecoration2"));
112​
113​ QString defaultPluginPath;
114​
115​ for (const auto &pluginMetaData : decorationPlugins) {
116​ if (pluginMetaData.name() == QStringLiteral("Breeze")) {
117​ defaultPluginPath = pluginMetaData.fileName();
118​ }
119​
120​ if (pluginMetaData.name() == decorationTheme) {
121​ return pluginMetaData.fileName();
122​ }
123​ }
124​ return defaultPluginPath;
125​}
126​
127​void DummyDecorationBridge::passMouseHoverEventToButton(KDecoration2::DecorationButton *button) const
128​{
129​ QHoverEvent event {
130​ QEvent::HoverEnter, {5, 5}, {4, 4}, Qt::NoModifier
131​ };
132​ QCoreApplication::instance()->sendEvent(button, &event);
133​}
134​
135​void DummyDecorationBridge::passMousePressEventToButton(KDecoration2::DecorationButton *button) const
136​{
137​ QMouseEvent event {
138​ QEvent::MouseButtonPress,
139​ {5, 5},
140​ Qt::LeftButton,
141​ Qt::LeftButton,
142​ Qt::NoModifier
143​ };
144​ QCoreApplication::instance()->sendEvent(button, &event);
145​}
146​
147​KDecoration2::DecorationButtonType DummyDecorationBridge::strToButtonType(const QString &type) const
148​{
149​ if (type == QStringLiteral("minimize")) {
150​ return KDecoration2::DecorationButtonType::Minimize;
151​ } else if (type == QStringLiteral("close")) {
152​ return KDecoration2::DecorationButtonType::Close;
153​ } else {
154​ return KDecoration2::DecorationButtonType::Maximize;
155​ }
156​}
157​
158​}