Differential D28623 Diff 82143 kded/kwin_bridge/dummydecorationbridge.cpp

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kded/kwin_bridge/dummydecorationbridge.cpp

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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​{
45​ const QString pluginPath = windowDecorationPluginPath(decorationTheme);
46​ KPluginLoader loader {pluginPath};
47​ m_factory = loader.factory();
48​
49​ QVariantMap args({ {QStringLiteral("bridge"), QVariant::fromValue(this)} });
50​ m_decoration = m_factory->create<KDecoration2::Decoration>(m_factory, QVariantList({args}));
51​
52​ auto decorationSettings = QSharedPointer<KDecoration2::DecorationSettings>::create(this);
53​ m_decoration->setSettings(decorationSettings);
54​ m_decoration->init();
55​}
56​
57​std::unique_ptr< KDecoration2::DecorationSettingsPrivate > DummyDecorationBridge::settings(KDecoration2::DecorationSettings *parent)
58​{
59​ return std::unique_ptr<DummyDecorationSettings>(new DummyDecorationSettings(parent));
60​}
61​
62​void DummyDecorationBridge::update(KDecoration2::Decoration *decoration, const QRect &geometry)
63​{
64​ Q_UNUSED(decoration)
65​ Q_UNUSED(geometry)
66​}
67​
68​std::unique_ptr< KDecoration2::DecoratedClientPrivate > DummyDecorationBridge::createClient(KDecoration2::DecoratedClient *client, KDecoration2::Decoration *decoration)
69​{
70​ return std::unique_ptr<DummyDecoratedClient>(new DummyDecoratedClient(client, decoration));
71​}
72​
73​void DummyDecorationBridge::paintButton(QPainter &painter, const QString &buttonType, const QString &buttonState)
74​{
75​ if (buttonState == "active") {
76​ paintButtonInPressedState(painter, buttonType);
77​ } else if (buttonState == "hover") {
78​ paintButtonInHoveredState(painter, buttonType);
79​ } else {
80​ paintButtonInNormalState(painter, buttonType);
81​ }
82​}
83​
84​QString DummyDecorationBridge::windowDecorationPluginPath(const QString &decorationTheme) const
85​{
86​ const auto decorationPlugins = KPluginLoader::findPlugins(QStringLiteral("org.kde.kdecoration2"));
87​
88​ QString defaultPluginPath;
89​
90​ for (const auto &pluginMetaData : decorationPlugins) {
91​ if (pluginMetaData.name() == QStringLiteral("Breeze")) {
92​ defaultPluginPath = pluginMetaData.fileName();
93​ }
94​
95​ if (pluginMetaData.name() == decorationTheme) {
96​ return pluginMetaData.fileName();
97​ }
98​ }
99​ return defaultPluginPath;
100​}
101​
102​void DummyDecorationBridge::paintButtonInNormalState(QPainter &painter, const QString &buttonType)
103​{
104​ std::unique_ptr<KDecoration2::DecorationButton> button {m_factory->create<KDecoration2::DecorationButton>(
105​ QStringLiteral("button"),
106​ m_decoration,
107​ QVariantList({
108​ QVariant::fromValue(strToButtonType(buttonType)),
109​ QVariant::fromValue(m_decoration)
110​ })
111​ )};
112​
113​ if (button == nullptr) {
114​ return;
115​ }
116​
117​ // TODO What to pass to the second arg?
118​ button->paint(&painter, {0, 0, 20, 20});
119​}
120​
121​void DummyDecorationBridge::paintButtonInHoveredState(QPainter &painter, const QString &buttonType)
122​{
123​ std::unique_ptr<KDecoration2::DecorationButton> button {m_factory->create<KDecoration2::DecorationButton>(
124​ QStringLiteral("button"),
125​ m_decoration,
126​ QVariantList({
127​ QVariant::fromValue(strToButtonType(buttonType)),
128​ QVariant::fromValue(m_decoration)
129​ })
130​ )};
131​
132​ if (button == nullptr) {
133​ return;
134​ }
135​
136​ QHoverEvent event {
137​ QEvent::HoverEnter,
138​ {5, 5},
139​ {4, 4},
140​ Qt::NoModifier
141​ };
142​ QCoreApplication::instance()->sendEvent(m_decoration, &event);
143​ QCoreApplication::instance()->sendEvent(button.get(), &event);
144​
145​ // TODO What to pass to the second arg?
146​ button->paint(&painter, {0, 0, 20, 20});
147​}
148​
149​void DummyDecorationBridge::paintButtonInPressedState(QPainter &painter, const QString &buttonType)
150​{
151​ std::unique_ptr<KDecoration2::DecorationButton> button {m_factory->create<KDecoration2::DecorationButton>(
152​ QStringLiteral("button"),
153​ m_decoration,
154​ QVariantList({
155​ QVariant::fromValue(strToButtonType(buttonType)),
156​ QVariant::fromValue(m_decoration)
157​ })
158​ )};
159​
160​ if (button == nullptr) {
161​ return;
162​ }
163​
164​ QMouseEvent event {
165​ QEvent::MouseButtonPress,
166​ {5, 5},
167​ Qt::LeftButton,
168​ Qt::LeftButton,
169​ Qt::NoModifier
170​ };
171​ QCoreApplication::instance()->sendEvent(m_decoration, &event);
172​ QCoreApplication::instance()->sendEvent(button.get(), &event);
173​
174​ // TODO What to pass to the second arg?
175​ button->paint(&painter, {0, 0, 20, 20});
176​}
177​
178​KDecoration2::DecorationButtonType DummyDecorationBridge::strToButtonType(const QString &type) const
179​{
180​ if (type == QStringLiteral("minimize")) {
181​ return KDecoration2::DecorationButtonType::Minimize;
182​ } else if (type == QStringLiteral("maximize")) {
183​ return KDecoration2::DecorationButtonType::Maximize;
184​ } else {
185​ return KDecoration2::DecorationButtonType::Close;
186​ }
187​}
188​
189​}