qplatformdrag.cpp

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1 /**************************************************************************** -

2 ** -

4 ** Contact: http://www.qt.io/licensing/ -

5 ** -

6 ** This file is part of the QtGui module of the Qt Toolkit. -

7 ** -

8 ** $QT_BEGIN_LICENSE:LGPL21$ -

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 http://www.qt.io/terms-conditions. For further -

15 ** information use the contact form at http://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 2.1 or version 3 as published by the Free -

20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and -

21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the -

22 ** following information to ensure the GNU Lesser General Public License -

23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -

24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -

25 ** -

26 ** As a special exception, The Qt Company gives you certain additional -

27 ** rights. These rights are described in The Qt Company LGPL Exception -

28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -

29 ** -

30 ** $QT_END_LICENSE$ -

31 ** -

32 ****************************************************************************/ -

33 -

34 #include "qplatformdrag.h" -

35 -

36 #include <QtGui/private/qdnd_p.h> -

37 #include <QtGui/QKeyEvent> -

38 #include <QtGui/QGuiApplication> -

39 #include <QtCore/QEventLoop> -

40 -

41 QT_BEGIN_NAMESPACE -

42 -

43 #ifndef QT_NO_DRAGANDDROP -

44 #ifdef QDND_DEBUG -

45 # include <QtCore/QDebug> -

46 #endif -

47 -

48 QPlatformDropQtResponse::QPlatformDropQtResponse(bool accepted, Qt::DropAction acceptedAction) -

49 : m_accepted(accepted) -

50 , m_accepted_action(acceptedAction) -

51 { -

}

never executed: end of block

53 -

54 bool QPlatformDropQtResponse::isAccepted() const -

55 { -

return m_accepted;

never executed: return m_accepted;

57 } -

58 -

59 Qt::DropAction QPlatformDropQtResponse::acceptedAction() const -

60 { -

return m_accepted_action;

never executed: return m_accepted_action;

62 } -

63 -

64 QPlatformDragQtResponse::QPlatformDragQtResponse(bool accepted, Qt::DropAction acceptedAction, QRect answerRect) -

65 : QPlatformDropQtResponse(accepted,acceptedAction) -

66 , m_answer_rect(answerRect) -

67 { -

}

never executed: end of block

69 -

70 QRect QPlatformDragQtResponse::answerRect() const -

71 { -

return m_answer_rect;

never executed: return m_answer_rect;

73 } -

74 -

75 class QPlatformDragPrivate { -

76 public: -

QPlatformDragPrivate() : cursor_drop_action(Qt::IgnoreAction) {}

never executed: end of block

78 -

79 Qt::DropAction cursor_drop_action; -

80 }; -

81 -

82 /*! -

83 \class QPlatformDrag -

84 \since 5.0 -

85 \internal -

86 \preliminary -

87 \ingroup qpa -

88 -

89 \brief The QPlatformDrag class provides an abstraction for drag. -

90 */ -

91 QPlatformDrag::QPlatformDrag() : d_ptr(new QPlatformDragPrivate) -

92 { -

}

never executed: end of block

94 -

95 QPlatformDrag::~QPlatformDrag() -

96 { -

97 delete d_ptr; -

}

never executed: end of block

99 -

100 QDrag *QPlatformDrag::currentDrag() const -

101 { -

102

return QDragManager::self()->object();

never executed: return QDragManager::self()->object();

103 } -

104 -

105 Qt::DropAction QPlatformDrag::defaultAction(Qt::DropActions possibleActions, -

106 Qt::KeyboardModifiers modifiers) const -

107 { -

108 #ifdef QDND_DEBUG -

109 qDebug() << "QDragManager::defaultAction(Qt::DropActions possibleActions)\nkeyboard modifiers : " << modifiers; -

110 #endif -

111 -

112 Qt::DropAction default_action = Qt::IgnoreAction; -

113 -

114

if (currentDrag()) {

currentDrag()	Description
TRUE	never evaluated
FALSE	never evaluated

115 default_action = currentDrag()->defaultAction(); -

116

}

never executed: end of block

117 -

118 -

119

if (default_action == Qt::IgnoreAction) {

default_action...::IgnoreAction	Description
TRUE	never evaluated
FALSE	never evaluated

120 //This means that the drag was initiated by QDrag::start and we need to -

121 //preserve the old behavior -

122 default_action = Qt::CopyAction; -

123

}

never executed: end of block

124 -

125

if (modifiers & Qt::ControlModifier && modifiers & Qt::ShiftModifier)

modifiers & Qt...ontrolModifier	Description
TRUE	never evaluated
FALSE	never evaluated

modifiers & Qt::ShiftModifier	Description
TRUE	never evaluated
FALSE	never evaluated

126

default_action = Qt::LinkAction;

never executed: default_action = Qt::LinkAction;

127

else if (modifiers & Qt::ControlModifier)

modifiers & Qt...ontrolModifier	Description
TRUE	never evaluated
FALSE	never evaluated

128

default_action = Qt::CopyAction;

never executed: default_action = Qt::CopyAction;

129

else if (modifiers & Qt::ShiftModifier)

modifiers & Qt::ShiftModifier	Description
TRUE	never evaluated
FALSE	never evaluated

130

default_action = Qt::MoveAction;

never executed: default_action = Qt::MoveAction;

131

else if (modifiers & Qt::AltModifier)

modifiers & Qt::AltModifier	Description
TRUE	never evaluated
FALSE	never evaluated

132

default_action = Qt::LinkAction;

never executed: default_action = Qt::LinkAction;

133 -

134 #ifdef QDND_DEBUG -

135 qDebug() << "possible actions : " << possibleActions; -

136 #endif -

137 -

138 // Check if the action determined is allowed -

139

if (!(possibleActions & default_action)) {

!(possibleActi...efault_action)	Description
TRUE	never evaluated
FALSE	never evaluated

140

if (possibleActions & Qt::CopyAction)

possibleAction...Qt::CopyAction	Description
TRUE	never evaluated
FALSE	never evaluated

141

default_action = Qt::CopyAction;

never executed: default_action = Qt::CopyAction;

142

else if (possibleActions & Qt::MoveAction)

possibleAction...Qt::MoveAction	Description
TRUE	never evaluated
FALSE	never evaluated

143

default_action = Qt::MoveAction;

never executed: default_action = Qt::MoveAction;

144

else if (possibleActions & Qt::LinkAction)

possibleAction...Qt::LinkAction	Description
TRUE	never evaluated
FALSE	never evaluated

145

default_action = Qt::LinkAction;

never executed: default_action = Qt::LinkAction;

146 else -

147

default_action = Qt::IgnoreAction;

never executed: default_action = Qt::IgnoreAction;

148 } -

149 -

150 #ifdef QDND_DEBUG -

151 qDebug() << "default action : " << default_action; -

152 #endif -

153 -

154

return default_action;

never executed: return default_action;

155 } -

156 -

157 /*! -

158 \brief Called to notify QDrag about changes of the current action. -

159 */ -

160 -

161 void QPlatformDrag::updateAction(Qt::DropAction action) -

162 { -

163 Q_D(QPlatformDrag); -

164

if (d->cursor_drop_action != action) {

d->cursor_drop...tion != action	Description
TRUE	never evaluated
FALSE	never evaluated

165 d->cursor_drop_action = action; -

166 emit currentDrag()->actionChanged(action); -

167

}

never executed: end of block

168

}

never executed: end of block

169 -

170 static const char *const default_pm[] = { -

171 "13 9 3 1", -

172 ". c None", -

173 " c #000000", -

174 "X c #FFFFFF", -

175 "X X X X X X X", -

176 " X X X X X X ", -

177 "X ......... X", -

178 " X.........X ", -

179 "X ......... X", -

180 " X.........X ", -

181 "X ......... X", -

182 " X X X X X X ", -

183 "X X X X X X X", -

184 }; -

185 -

186

Q_GLOBAL_STATIC_WITH_ARGS(QPixmap,qt_drag_default_pixmap,(default_pm))

never executed: end of block

never executed: guard.store(QtGlobalStatic::Destroyed);

never executed: return &holder.value;

guard.load() =...c::Initialized	Description
TRUE	never evaluated
FALSE	never evaluated

187 -

188 QPixmap QPlatformDrag::defaultPixmap() -

189 { -

190

return *qt_drag_default_pixmap();

never executed: return *qt_drag_default_pixmap();

191 } -

192 -

193 /*! -

194 \since 5.4 -

195 \brief Returns bool indicating whether QPlatformDrag takes ownership -

196 and therefore responsibility of deleting the QDrag object passed in -

197 from QPlatformDrag::drag. This can be useful on platforms where QDrag -

198 object has to be kept around. -

199 */ -

200 bool QPlatformDrag::ownsDragObject() const -

201 { -

202

return false;

never executed: return false;

203 } -

204 -

205 #endif // QT_NO_DRAGANDDROP -

206 -

207 QT_END_NAMESPACE -

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