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39
40#include "qminimalintegration.h"
41#include "qminimalbackingstore.h"
42
43#include <QtGui/private/qpixmap_raster_p.h>
44#include <QtGui/private/qguiapplication_p.h>
45#include <qpa/qplatformwindow.h>
46#include <qpa/qwindowsysteminterface.h>
47
48#include <QtGui/private/qfreetypefontdatabase_p.h>
49#if defined(Q_OS_WIN)
50# include <QtGui/private/qwindowsfontdatabase_p.h>
51# if QT_CONFIG(freetype)
52# include <QtGui/private/qwindowsfontdatabase_ft_p.h>
53# endif
54#elif defined(Q_OS_DARWIN)
55# include <QtGui/private/qcoretextfontdatabase_p.h>
56#endif
57
58#if QT_CONFIG(fontconfig)
59# include <QtGui/private/qgenericunixfontdatabase_p.h>
60# include <qpa/qplatformfontdatabase.h>
61#endif
62
63#if QT_CONFIG(freetype)
64#include <QtGui/private/qfontengine_ft_p.h>
65#endif
66
67#if !defined(Q_OS_WIN)
68#include <QtGui/private/qgenericunixeventdispatcher_p.h>
69#else
70#include <QtCore/private/qeventdispatcher_win_p.h>
71#endif
72
73QT_BEGIN_NAMESPACE
74
75class QCoreTextFontEngine;
76
77static const char debugBackingStoreEnvironmentVariable[] = "QT_DEBUG_BACKINGSTORE";
78
79static inline unsigned parseOptions(const QStringList &paramList)
80{
81 unsigned options = 0;
82 for (const QString &param : paramList) {
83 if (param == QLatin1String("enable_fonts"))
84 options |= QMinimalIntegration::EnableFonts;
85 else if (param == QLatin1String("freetype"))
86 options |= QMinimalIntegration::FreeTypeFontDatabase;
87 else if (param == QLatin1String("fontconfig"))
88 options |= QMinimalIntegration::FontconfigDatabase;
89 }
90 return options;
91}
92
93QMinimalIntegration::QMinimalIntegration(const QStringList &parameters)
94 : m_fontDatabase(0)
95 , m_options(parseOptions(parameters))
96{
97 if (qEnvironmentVariableIsSet(debugBackingStoreEnvironmentVariable)
98 && qEnvironmentVariableIntValue(debugBackingStoreEnvironmentVariable) > 0) {
99 m_options |= DebugBackingStore | EnableFonts;
100 }
101
102 m_primaryScreen = new QMinimalScreen();
103
104 m_primaryScreen->mGeometry = QRect(0, 0, 240, 320);
105 m_primaryScreen->mDepth = 32;
106 m_primaryScreen->mFormat = QImage::Format_ARGB32_Premultiplied;
107
108 QWindowSystemInterface::handleScreenAdded(m_primaryScreen);
109}
110
111QMinimalIntegration::~QMinimalIntegration()
112{
113 QWindowSystemInterface::handleScreenRemoved(m_primaryScreen);
114 delete m_fontDatabase;
115}
116
117bool QMinimalIntegration::hasCapability(QPlatformIntegration::Capability cap) const
118{
119 switch (cap) {
120 case ThreadedPixmaps: return true;
121 case MultipleWindows: return true;
122 default: return QPlatformIntegration::hasCapability(cap);
123 }
124}
125
126// Dummy font database that does not scan the fonts directory to be
127// used for command line tools like qmlplugindump that do not create windows
128// unless DebugBackingStore is activated.
129class DummyFontDatabase : public QPlatformFontDatabase
130{
131public:
132 virtual void populateFontDatabase() override {}
133};
134
135QPlatformFontDatabase *QMinimalIntegration::fontDatabase() const
136{
137 if (!m_fontDatabase && (m_options & EnableFonts)) {
138#if defined(Q_OS_WIN)
139 if (m_options & FreeTypeFontDatabase) {
140# if QT_CONFIG(freetype)
141 m_fontDatabase = new QWindowsFontDatabaseFT;
142# endif // freetype
143 } else {
144 m_fontDatabase = new QWindowsFontDatabase;
145 }
146#elif defined(Q_OS_DARWIN)
147 if (!(m_options & FontconfigDatabase)) {
148 if (m_options & FreeTypeFontDatabase) {
149# if QT_CONFIG(freetype)
150 m_fontDatabase = new QCoreTextFontDatabaseEngineFactory<QFontEngineFT>;
151# endif // freetype
152 } else {
153 m_fontDatabase = new QCoreTextFontDatabaseEngineFactory<QCoreTextFontEngine>;
154 }
155 }
156#endif
157
158 if (!m_fontDatabase) {
159#if QT_CONFIG(fontconfig)
160 m_fontDatabase = new QGenericUnixFontDatabase;
161#else
162 m_fontDatabase = QPlatformIntegration::fontDatabase();
163#endif
164 }
165 }
166 if (!m_fontDatabase)
167 m_fontDatabase = new DummyFontDatabase;
168 return m_fontDatabase;
169}
170
171QPlatformWindow *QMinimalIntegration::createPlatformWindow(QWindow *window) const
172{
173 Q_UNUSED(window);
174 QPlatformWindow *w = new QPlatformWindow(window);
175 w->requestActivateWindow();
176 return w;
177}
178
179QPlatformBackingStore *QMinimalIntegration::createPlatformBackingStore(QWindow *window) const
180{
181 return new QMinimalBackingStore(window);
182}
183
184QAbstractEventDispatcher *QMinimalIntegration::createEventDispatcher() const
185{
186#ifdef Q_OS_WIN
187 return new QEventDispatcherWin32;
188#else
189 return createUnixEventDispatcher();
190#endif
191}
192
193QMinimalIntegration *QMinimalIntegration::instance()
194{
195 return static_cast<QMinimalIntegration *>(QGuiApplicationPrivate::platformIntegration());
196}
197
198QT_END_NAMESPACE
199