qdrag.cpp

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/home/qt/qt5_coco/qt5/qtbase/src/gui/kernel/qdrag.cpp

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Line Source Count

1 -

2 -

3 -

4 -

5 QDrag::QDrag(QObject *dragSource) -

6 : QObject(*new QDragPrivate, dragSource) -

7 { -

8 QDragPrivate * const d = d_func(); -

9 d->source = dragSource; -

10 d->target = 0; -

11 d->data = 0; -

12 d->hotspot = QPoint(-10, -10); -

13 d->executed_action = Qt::IgnoreAction; -

14 d->supported_actions = Qt::IgnoreAction; -

15 d->default_action = Qt::IgnoreAction; -

16 } -

17 -

18 -

19 -

20 -

21 QDrag::~QDrag() -

22 { -

23 QDragPrivate * const d = d_func(); -

24 delete d->data; -

25 } -

26 -

27 -

28 -

29 -

30 -

31 void QDrag::setMimeData(QMimeData *data) -

32 { -

33 QDragPrivate * const d = d_func(); -

34 if (d->data == data) -

35 return; -

36 if (d->data != 0) -

37 delete d->data; -

38 d->data = data; -

39 } -

40 -

41 -

42 -

43 -

44 QMimeData *QDrag::mimeData() const -

45 { -

46 const QDragPrivate * const d = d_func(); -

47 return d->data; -

48 } -

49 -

50 -

51 -

52 -

53 -

54 -

55 void QDrag::setPixmap(const QPixmap &pixmap) -

56 { -

57 QDragPrivate * const d = d_func(); -

58 d->pixmap = pixmap; -

59 } -

60 -

61 -

62 -

63 -

64 QPixmap QDrag::pixmap() const -

65 { -

66 const QDragPrivate * const d = d_func(); -

67 return d->pixmap; -

68 } -

69 void QDrag::setHotSpot(const QPoint& hotspot) -

70 { -

71 QDragPrivate * const d = d_func(); -

72 d->hotspot = hotspot; -

73 } -

74 -

75 -

76 -

77 -

78 -

79 QPoint QDrag::hotSpot() const -

80 { -

81 const QDragPrivate * const d = d_func(); -

82 return d->hotspot; -

83 } -

84 -

85 -

86 -

87 -

88 -

89 QObject *QDrag::source() const -

90 { -

91 const QDragPrivate * const d = d_func(); -

92 return d->source; -

93 } -

94 -

95 -

96 -

97 -

98 -

99 QObject *QDrag::target() const -

100 { -

101 const QDragPrivate * const d = d_func(); -

102 return d->target; -

103 } -

104 Qt::DropAction QDrag::exec(Qt::DropActions supportedActions) -

105 { -

106 return exec(supportedActions, Qt::IgnoreAction); -

107 } -

108 Qt::DropAction QDrag::exec(Qt::DropActions supportedActions, Qt::DropAction defaultDropAction) -

109 { -

110 QDragPrivate * const d = d_func(); -

111 if (!d->data) { -

112 QMessageLogger(__FILE__, 256266, __PRETTY_FUNCTION__).warning("QDrag: No mimedata set before starting the drag"); -

113 return d->executed_action; -

114 } -

115 Qt::DropAction transformedDefaultDropAction = Qt::IgnoreAction; -

116 -

117 if (defaultDropAction == Qt::IgnoreAction) { -

118 if (supportedActions & Qt::MoveAction) { -

119 transformedDefaultDropAction = Qt::MoveAction; -

120 } else if (supportedActions & Qt::CopyAction) { -

121 transformedDefaultDropAction = Qt::CopyAction; -

122 } else if (supportedActions & Qt::LinkAction) { -

123 transformedDefaultDropAction = Qt::LinkAction; -

124 } -

125 } else { -

126 transformedDefaultDropAction = defaultDropAction; -

127 } -

128 d->supported_actions = supportedActions; -

129 d->default_action = transformedDefaultDropAction; -

130 d->executed_action = QDragManager::self()->drag(this); -

131 -

132 return d->executed_action; -

133 } -

134 Qt::DropAction QDrag::start(Qt::DropActions request) -

135 { -

136 QDragPrivate * const d = d_func(); -

137 if (!d->data) { -

138 QMessageLogger(__FILE__, 298308, __PRETTY_FUNCTION__).warning("QDrag: No mimedata set before starting the drag"); -

139 return d->executed_action; -

140 } -

141 d->supported_actions = request | Qt::CopyAction; -

142 d->default_action = Qt::IgnoreAction; -

143 d->executed_action = QDragManager::self()->drag(this); -

144 return d->executed_action; -

145 } -

146 void QDrag::setDragCursor(const QPixmap &cursor, Qt::DropAction action) -

147 { -

148 QDragPrivate * const d = d_func(); -

149 if (action != Qt::CopyAction && action != Qt::MoveAction && action != Qt::LinkAction) -

150 return; -

151 if (cursor.isNull()) -

152 d->customCursors.remove(action); -

153 else -

154 d->customCursors[action] = cursor; -

155 } -

156 -

157 -

158 -

159 -

160 -

161 -

162 -

163 QPixmap QDrag::dragCursor(Qt::DropAction action) const -

164 { -

165 typedef QMap<Qt::DropAction, QPixmap>::const_iterator Iterator; -

166 -

167 const QDragPrivate * const d = d_func(); -

168 const Iterator it = d->customCursors.constFind(action); -

169 if (it != d->customCursors.constEnd()) -

170 return it.value(); -

171 -

172 Qt::CursorShape shape = Qt::ForbiddenCursor; -

173 switch (action) { -

174 case Qt::MoveAction: -

175 shape = Qt::DragMoveCursor; -

176 break; -

177 case Qt::CopyAction: -

178 shape = Qt::DragCopyCursor; -

179 break; -

180 case Qt::LinkAction: -

181 shape = Qt::DragLinkCursor; -

182 break; -

183 default: -

184 shape = Qt::ForbiddenCursor; -

185 } -

186 return QGuiApplicationPrivate::instance()->getPixmapCursor(shape); -

187 } -

188 -

189 -

190 -

191 -

192 -

193 -

194 Qt::DropActions QDrag::supportedActions() const -

195 { -

196 const QDragPrivate * const d = d_func(); -

197 return d->supported_actions; -

198 } -

199 -

200 -

201 -

202 -

203 -

204 -

205 -

206 Qt::DropAction QDrag::defaultAction() const -

207 { -

208 const QDragPrivate * const d = d_func(); -

209 return d->default_action; -

210 } -

211 void QDrag::cancel() -

212 { -

213

if (QPlatformDrag *platformDrag = QGuiApplicationPrivate::platformIntegration()->drag()

QPlatformDrag ...tion()->drag()	Description
TRUE	never evaluated
FALSE	never evaluated

)

214

platformDrag->cancelDrag();

never executed: platformDrag->cancelDrag();

215

}

never executed: end of block

216 -

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