1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the plugins of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QDIRECTFBCONVENIENCE_H 41 #define QDIRECTFBCONVENIENCE_H 42 43 #include <QtGui/qimage.h> 44 #include <QtCore/QHash> 45 #include <QtCore/QEvent> 46 #include <QtGui/QPixmap> 47 48 #include <directfb.h> 49 50 QT_BEGIN_NAMESPACE 51 52 class QDirectFbScreen; 53 class QPlatformScreen; 54 55 class QDirectFbKeyMap: public QHash<DFBInputDeviceKeySymbol, Qt::Key> 56 { 57 public: 58 QDirectFbKeyMap(); 59 }; 60 61 62 class QDirectFbConvenience 63 { 64 public: 65 static QImage::Format imageFormatFromSurfaceFormat(const DFBSurfacePixelFormat format, const DFBSurfaceCapabilities caps); pixelFomatHasAlpha(const DFBSurfacePixelFormat format)66 static bool pixelFomatHasAlpha(const DFBSurfacePixelFormat format) { return (1 << 16) & format; } 67 static int colorDepthForSurface(const DFBSurfacePixelFormat format); 68 69 //This is set by the graphicssystem constructor 70 static IDirectFB *dfbInterface(); 71 static IDirectFBDisplayLayer *dfbDisplayLayer(int display = DLID_PRIMARY); 72 73 static IDirectFBSurface *dfbSurfaceForPlatformPixmap(QPlatformPixmap *); 74 75 static Qt::MouseButton mouseButton(DFBInputDeviceButtonIdentifier identifier); 76 static Qt::MouseButtons mouseButtons(DFBInputDeviceButtonMask mask); 77 static Qt::KeyboardModifiers keyboardModifiers(DFBInputDeviceModifierMask mask); 78 static QEvent::Type eventType(DFBWindowEventType type); 79 80 static QDirectFbKeyMap *keyMap(); 81 82 private: 83 static QDirectFbKeyMap *dfbKeymap; 84 friend class QDirectFbIntegration; 85 }; 86 87 template <typename T> struct QDirectFBInterfaceCleanupHandler 88 { cleanupQDirectFBInterfaceCleanupHandler89 static void cleanup(T *t) 90 { 91 if (!t) 92 return; 93 t->Release(t); 94 } 95 }; 96 97 template <typename T> 98 class QDirectFBPointer : public QScopedPointer<T, QDirectFBInterfaceCleanupHandler<T> > 99 { 100 public: 101 QDirectFBPointer(T *t = 0) 102 : QScopedPointer<T, QDirectFBInterfaceCleanupHandler<T> >(t) 103 {} 104 outPtr()105 T** outPtr() 106 { 107 this->reset(0); 108 return &this->d; 109 } 110 }; 111 112 // Helper conversions from internal to DFB types 113 QDirectFbScreen *toDfbScreen(QWindow *window); 114 IDirectFBDisplayLayer *toDfbLayer(QPlatformScreen *screen); 115 116 #define QDFB_STRINGIFY(x) #x 117 #define QDFB_TOSTRING(x) QDFB_STRINGIFY(x) 118 #define QDFB_PRETTY \ 119 (__FILE__ ":" QDFB_TOSTRING(__LINE__)) 120 121 QT_END_NAMESPACE 122 123 124 #endif // QDIRECTFBCONVENIENCE_H 125