1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "qlinuxfbintegration.h"
5#include "qlinuxfbscreen.h"
6#if QT_CONFIG(kms)
7#include "qlinuxfbdrmscreen.h"
8#endif
9
10#include <QtGui/private/qgenericunixfontdatabase_p.h>
11#include <QtGui/private/qgenericunixservices_p.h>
12#include <QtGui/private/qgenericunixeventdispatcher_p.h>
13
14#include <QtFbSupport/private/qfbvthandler_p.h>
15#include <QtFbSupport/private/qfbbackingstore_p.h>
16#include <QtFbSupport/private/qfbwindow_p.h>
17#include <QtFbSupport/private/qfbcursor_p.h>
18
19#include <QtGui/private/qguiapplication_p.h>
20#include <qpa/qplatforminputcontextfactory_p.h>
21#include <qpa/qwindowsysteminterface.h>
22
23#if QT_CONFIG(libinput)
24#include <QtInputSupport/private/qlibinputhandler_p.h>
25#endif
26
27#if QT_CONFIG(evdev)
28#include <QtInputSupport/private/qevdevmousemanager_p.h>
29#include <QtInputSupport/private/qevdevkeyboardmanager_p.h>
30#include <QtInputSupport/private/qevdevtouchmanager_p.h>
31#endif
32
33#if QT_CONFIG(tslib)
34#include <QtInputSupport/private/qtslib_p.h>
35#endif
36
37QT_BEGIN_NAMESPACE
38
39using namespace Qt::StringLiterals;
40
41QLinuxFbIntegration::QLinuxFbIntegration(const QStringList &paramList)
42 : m_primaryScreen(nullptr),
43 m_fontDb(new QGenericUnixFontDatabase),
44 m_services(new QGenericUnixServices),
45 m_kbdMgr(nullptr)
46{
47#if QT_CONFIG(kms)
48 if (qEnvironmentVariableIntValue(varName: "QT_QPA_FB_DRM") != 0)
49 m_primaryScreen = new QLinuxFbDrmScreen(paramList);
50#endif
51 if (!m_primaryScreen)
52 m_primaryScreen = new QLinuxFbScreen(paramList);
53}
54
55QLinuxFbIntegration::~QLinuxFbIntegration()
56{
57 QWindowSystemInterface::handleScreenRemoved(screen: m_primaryScreen);
58}
59
60void QLinuxFbIntegration::initialize()
61{
62 if (m_primaryScreen->initialize())
63 QWindowSystemInterface::handleScreenAdded(screen: m_primaryScreen);
64 else
65 qWarning(msg: "linuxfb: Failed to initialize screen");
66
67 m_inputContext = QPlatformInputContextFactory::create();
68
69 m_vtHandler.reset(other: new QFbVtHandler);
70
71 if (!qEnvironmentVariableIntValue(varName: "QT_QPA_FB_DISABLE_INPUT"))
72 createInputHandlers();
73}
74
75bool QLinuxFbIntegration::hasCapability(QPlatformIntegration::Capability cap) const
76{
77 switch (cap) {
78 case ThreadedPixmaps: return true;
79 case WindowManagement: return false;
80 case RhiBasedRendering: return false;
81 default: return QPlatformIntegration::hasCapability(cap);
82 }
83}
84
85QPlatformBackingStore *QLinuxFbIntegration::createPlatformBackingStore(QWindow *window) const
86{
87 return new QFbBackingStore(window);
88}
89
90QPlatformWindow *QLinuxFbIntegration::createPlatformWindow(QWindow *window) const
91{
92 return new QFbWindow(window);
93}
94
95QAbstractEventDispatcher *QLinuxFbIntegration::createEventDispatcher() const
96{
97 return createUnixEventDispatcher();
98}
99
100QList<QPlatformScreen *> QLinuxFbIntegration::screens() const
101{
102 QList<QPlatformScreen *> list;
103 list.append(t: m_primaryScreen);
104 return list;
105}
106
107QPlatformFontDatabase *QLinuxFbIntegration::fontDatabase() const
108{
109 return m_fontDb.data();
110}
111
112QPlatformServices *QLinuxFbIntegration::services() const
113{
114 return m_services.data();
115}
116
117void QLinuxFbIntegration::createInputHandlers()
118{
119#if QT_CONFIG(libinput)
120 if (!qEnvironmentVariableIntValue(varName: "QT_QPA_FB_NO_LIBINPUT")) {
121 new QLibInputHandler("libinput"_L1, QString());
122 return;
123 }
124#endif
125
126#if QT_CONFIG(tslib)
127 bool useTslib = qEnvironmentVariableIntValue("QT_QPA_FB_TSLIB");
128 if (useTslib)
129 new QTsLibMouseHandler("TsLib"_L1, QString());
130#endif
131
132#if QT_CONFIG(evdev)
133 m_kbdMgr = new QEvdevKeyboardManager("EvdevKeyboard"_L1, QString(), this);
134 new QEvdevMouseManager("EvdevMouse"_L1, QString(), this);
135#if QT_CONFIG(tslib)
136 if (!useTslib)
137#endif
138 new QEvdevTouchManager("EvdevTouch"_L1, QString() /* spec */, this);
139#endif
140}
141
142QPlatformNativeInterface *QLinuxFbIntegration::nativeInterface() const
143{
144 return const_cast<QLinuxFbIntegration *>(this);
145}
146
147QFunctionPointer QLinuxFbIntegration::platformFunction(const QByteArray &function) const
148{
149 Q_UNUSED(function);
150 return nullptr;
151}
152
153#if QT_CONFIG(evdev)
154void QLinuxFbIntegration::loadKeymap(const QString &filename)
155{
156 if (m_kbdMgr)
157 m_kbdMgr->loadKeymap(file: filename);
158 else
159 qWarning(msg: "QLinuxFbIntegration: Cannot load keymap, no keyboard handler found");
160}
161
162void QLinuxFbIntegration::switchLang()
163{
164 if (m_kbdMgr)
165 m_kbdMgr->switchLang();
166 else
167 qWarning(msg: "QLinuxFbIntegration: Cannot switch language, no keyboard handler found");
168}
169#endif
170
171QT_END_NAMESPACE
172

source code of qtbase/src/plugins/platforms/linuxfb/qlinuxfbintegration.cpp