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| 1 | /**************************************************************************** | - |
| 2 | ** | - |
| 3 | ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). | - |
| 4 | ** Contact: http://www.qt-project.org/legal | - |
| 5 | ** | - |
| 6 | ** This file is part of the QtGui module 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 Digia. For licensing terms and | - |
| 14 | ** conditions see http://qt.digia.com/licensing. For further information | - |
| 15 | ** use the contact form at http://qt.digia.com/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 as published by the Free Software | - |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL included in the | - |
| 21 | ** packaging of this file. Please review the following information to | - |
| 22 | ** ensure the GNU Lesser General Public License version 2.1 requirements | - |
| 23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | - |
| 24 | ** | - |
| 25 | ** In addition, as a special exception, Digia gives you certain additional | - |
| 26 | ** rights. These rights are described in the Digia Qt LGPL Exception | - |
| 27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | - |
| 28 | ** | - |
| 29 | ** GNU General Public License Usage | - |
| 30 | ** Alternatively, this file may be used under the terms of the GNU | - |
| 31 | ** General Public License version 3.0 as published by the Free Software | - |
| 32 | ** Foundation and appearing in the file LICENSE.GPL included in the | - |
| 33 | ** packaging of this file. Please review the following information to | - |
| 34 | ** ensure the GNU General Public License version 3.0 requirements will be | - |
| 35 | ** met: http://www.gnu.org/copyleft/gpl.html. | - |
| 36 | ** | - |
| 37 | ** | - |
| 38 | ** $QT_END_LICENSE$ | - |
| 39 | ** | - |
| 40 | ****************************************************************************/ | - |
| 41 | | - |
| 42 | #include "qplatformdrag.h" | - |
| 43 | | - |
| 44 | #include <QtGui/private/qdnd_p.h> | - |
| 45 | #include <QtGui/QKeyEvent> | - |
| 46 | #include <QtGui/QGuiApplication> | - |
| 47 | #include <QtCore/QEventLoop> | - |
| 48 | | - |
| 49 | QT_BEGIN_NAMESPACE | - |
| 50 | | - |
| 51 | #ifndef QT_NO_DRAGANDDROP | - |
| 52 | #ifdef QDND_DEBUG | - |
| 53 | QString dragActionsToString(Qt::DropActions actions) | - |
| 54 | { | - |
| 55 | QString str; | - |
| 56 | if (actions == Qt::IgnoreAction) { | - |
| 57 | if (!str.isEmpty()) | - |
| 58 | str += QLatin1String(" | "); | - |
| 59 | str += QLatin1String("IgnoreAction"); | - |
| 60 | } | - |
| 61 | if (actions & Qt::LinkAction) { | - |
| 62 | if (!str.isEmpty()) | - |
| 63 | str += QLatin1String(" | "); | - |
| 64 | str += QLatin1String("LinkAction"); | - |
| 65 | } | - |
| 66 | if (actions & Qt::CopyAction) { | - |
| 67 | if (!str.isEmpty()) | - |
| 68 | str += QLatin1String(" | "); | - |
| 69 | str += QLatin1String("CopyAction"); | - |
| 70 | } | - |
| 71 | if (actions & Qt::MoveAction) { | - |
| 72 | if (!str.isEmpty()) | - |
| 73 | str += QLatin1String(" | "); | - |
| 74 | str += QLatin1String("MoveAction"); | - |
| 75 | } | - |
| 76 | if ((actions & Qt::TargetMoveAction) == Qt::TargetMoveAction ) { | - |
| 77 | if (!str.isEmpty()) | - |
| 78 | str += QLatin1String(" | "); | - |
| 79 | str += QLatin1String("TargetMoveAction"); | - |
| 80 | } | - |
| 81 | return str; | - |
| 82 | } | - |
| 83 | | - |
| 84 | QString KeyboardModifiersToString(Qt::KeyboardModifiers modifiers) | - |
| 85 | { | - |
| 86 | QString str; | - |
| 87 | if (modifiers & Qt::ControlModifier) { | - |
| 88 | if (!str.isEmpty()) | - |
| 89 | str += QLatin1String(" | "); | - |
| 90 | str += QLatin1String("ControlModifier"); | - |
| 91 | } | - |
| 92 | if (modifiers & Qt::AltModifier) { | - |
| 93 | if (!str.isEmpty()) | - |
| 94 | str += QLatin1String(" | "); | - |
| 95 | str += QLatin1String("AltModifier"); | - |
| 96 | } | - |
| 97 | if (modifiers & Qt::ShiftModifier) { | - |
| 98 | if (!str.isEmpty()) | - |
| 99 | str += QLatin1String(" | "); | - |
| 100 | str += QLatin1String("ShiftModifier"); | - |
| 101 | } | - |
| 102 | return str; | - |
| 103 | } | - |
| 104 | #endif | - |
| 105 | | - |
| 106 | QPlatformDropQtResponse::QPlatformDropQtResponse(bool accepted, Qt::DropAction acceptedAction) | - |
| 107 | : m_accepted(accepted) | - |
| 108 | , m_accepted_action(acceptedAction) | - |
| 109 | { | - |
| 110 | } | 0 |
| 111 | | - |
| 112 | bool QPlatformDropQtResponse::isAccepted() const | - |
| 113 | { | - |
| 114 | return m_accepted; never executed: return m_accepted; | 0 |
| 115 | } | - |
| 116 | | - |
| 117 | Qt::DropAction QPlatformDropQtResponse::acceptedAction() const | - |
| 118 | { | - |
| 119 | return m_accepted_action; never executed: return m_accepted_action; | 0 |
| 120 | } | - |
| 121 | | - |
| 122 | QPlatformDragQtResponse::QPlatformDragQtResponse(bool accepted, Qt::DropAction acceptedAction, QRect answerRect) | - |
| 123 | : QPlatformDropQtResponse(accepted,acceptedAction) | - |
| 124 | , m_answer_rect(answerRect) | - |
| 125 | { | - |
| 126 | } | 0 |
| 127 | | - |
| 128 | QRect QPlatformDragQtResponse::answerRect() const | - |
| 129 | { | - |
| 130 | return m_answer_rect; never executed: return m_answer_rect; | 0 |
| 131 | } | - |
| 132 | | - |
| 133 | class QPlatformDragPrivate { | - |
| 134 | public: | - |
| 135 | QPlatformDragPrivate() : cursor_drop_action(Qt::IgnoreAction) {} executed: }Execution Count:289 | 289 |
| 136 | | - |
| 137 | Qt::DropAction cursor_drop_action; | - |
| 138 | }; | - |
| 139 | | - |
| 140 | /*! | - |
| 141 | \class QPlatformDrag | - |
| 142 | \since 5.0 | - |
| 143 | \internal | - |
| 144 | \preliminary | - |
| 145 | \ingroup qpa | - |
| 146 | | - |
| 147 | \brief The QPlatformDrag class provides an abstraction for drag. | - |
| 148 | */ | - |
| 149 | QPlatformDrag::QPlatformDrag() : d_ptr(new QPlatformDragPrivate) | - |
| 150 | { | - |
| 151 | } executed: }Execution Count:289 | 289 |
| 152 | | - |
| 153 | QPlatformDrag::~QPlatformDrag() | - |
| 154 | { | - |
| 155 | delete d_ptr; executed (the execution status of this line is deduced): delete d_ptr; | - |
| 156 | } executed: }Execution Count:287 | 287 |
| 157 | | - |
| 158 | QDrag *QPlatformDrag::currentDrag() const | - |
| 159 | { | - |
| 160 | return QDragManager::self()->object(); executed: return QDragManager::self()->object();Execution Count:64 | 64 |
| 161 | } | - |
| 162 | | - |
| 163 | Qt::DropAction QPlatformDrag::defaultAction(Qt::DropActions possibleActions, | - |
| 164 | Qt::KeyboardModifiers modifiers) const | - |
| 165 | { | - |
| 166 | #ifdef QDND_DEBUG | - |
| 167 | qDebug("QDragManager::defaultAction(Qt::DropActions possibleActions)"); | - |
| 168 | qDebug("keyboard modifiers : %s", qPrintable(KeyboardModifiersToString(modifiers))); | - |
| 169 | #endif | - |
| 170 | | - |
| 171 | Qt::DropAction default_action = Qt::IgnoreAction; executed (the execution status of this line is deduced): Qt::DropAction default_action = Qt::IgnoreAction; | - |
| 172 | | - |
| 173 | if (currentDrag()) { partially evaluated: currentDrag()| no Evaluation Count:0 | yes Evaluation Count:27 |
| 0-27 |
| 174 | default_action = currentDrag()->defaultAction(); never executed (the execution status of this line is deduced): default_action = currentDrag()->defaultAction(); | - |
| 175 | } | 0 |
| 176 | | - |
| 177 | | - |
| 178 | if (default_action == Qt::IgnoreAction) { partially evaluated: default_action == Qt::IgnoreAction| yes Evaluation Count:27 | no Evaluation Count:0 |
| 0-27 |
| 179 | //This means that the drag was initiated by QDrag::start and we need to | - |
| 180 | //preserve the old behavior | - |
| 181 | default_action = Qt::CopyAction; executed (the execution status of this line is deduced): default_action = Qt::CopyAction; | - |
| 182 | } executed: }Execution Count:27 | 27 |
| 183 | | - |
| 184 | if (modifiers & Qt::ControlModifier && modifiers & Qt::ShiftModifier) partially evaluated: modifiers & Qt::ControlModifier| no Evaluation Count:0 | yes Evaluation Count:27 |
never evaluated: modifiers & Qt::ShiftModifier | 0-27 |
| 185 | default_action = Qt::LinkAction; never executed: default_action = Qt::LinkAction; | 0 |
| 186 | else if (modifiers & Qt::ControlModifier) partially evaluated: modifiers & Qt::ControlModifier| no Evaluation Count:0 | yes Evaluation Count:27 |
| 0-27 |
| 187 | default_action = Qt::CopyAction; never executed: default_action = Qt::CopyAction; | 0 |
| 188 | else if (modifiers & Qt::ShiftModifier) partially evaluated: modifiers & Qt::ShiftModifier| no Evaluation Count:0 | yes Evaluation Count:27 |
| 0-27 |
| 189 | default_action = Qt::MoveAction; never executed: default_action = Qt::MoveAction; | 0 |
| 190 | else if (modifiers & Qt::AltModifier) partially evaluated: modifiers & Qt::AltModifier| no Evaluation Count:0 | yes Evaluation Count:27 |
| 0-27 |
| 191 | default_action = Qt::LinkAction; never executed: default_action = Qt::LinkAction; | 0 |
| 192 | | - |
| 193 | #ifdef QDND_DEBUG | - |
| 194 | qDebug("possible actions : %s", qPrintable(dragActionsToString(possibleActions))); | - |
| 195 | #endif | - |
| 196 | | - |
| 197 | // Check if the action determined is allowed | - |
| 198 | if (!(possibleActions & default_action)) { partially evaluated: !(possibleActions & default_action)| no Evaluation Count:0 | yes Evaluation Count:27 |
| 0-27 |
| 199 | if (possibleActions & Qt::CopyAction) never evaluated: possibleActions & Qt::CopyAction | 0 |
| 200 | default_action = Qt::CopyAction; never executed: default_action = Qt::CopyAction; | 0 |
| 201 | else if (possibleActions & Qt::MoveAction) never evaluated: possibleActions & Qt::MoveAction | 0 |
| 202 | default_action = Qt::MoveAction; never executed: default_action = Qt::MoveAction; | 0 |
| 203 | else if (possibleActions & Qt::LinkAction) never evaluated: possibleActions & Qt::LinkAction | 0 |
| 204 | default_action = Qt::LinkAction; never executed: default_action = Qt::LinkAction; | 0 |
| 205 | else | - |
| 206 | default_action = Qt::IgnoreAction; never executed: default_action = Qt::IgnoreAction; | 0 |
| 207 | } | - |
| 208 | | - |
| 209 | #ifdef QDND_DEBUG | - |
| 210 | qDebug("default action : %s", qPrintable(dragActionsToString(default_action))); | - |
| 211 | #endif | - |
| 212 | | - |
| 213 | return default_action; executed: return default_action;Execution Count:27 | 27 |
| 214 | } | - |
| 215 | | - |
| 216 | /*! | - |
| 217 | \brief Called to notify QDrag about changes of the current action. | - |
| 218 | */ | - |
| 219 | | - |
| 220 | void QPlatformDrag::updateAction(Qt::DropAction action) | - |
| 221 | { | - |
| 222 | Q_D(QPlatformDrag); never executed (the execution status of this line is deduced): QPlatformDragPrivate * const d = d_func(); | - |
| 223 | if (d->cursor_drop_action != action) { never evaluated: d->cursor_drop_action != action | 0 |
| 224 | d->cursor_drop_action = action; never executed (the execution status of this line is deduced): d->cursor_drop_action = action; | - |
| 225 | emit currentDrag()->actionChanged(action); never executed (the execution status of this line is deduced): currentDrag()->actionChanged(action); | - |
| 226 | } | 0 |
| 227 | } | 0 |
| 228 | | - |
| 229 | static const char *const default_pm[] = { | - |
| 230 | "13 9 3 1", | - |
| 231 | ". c None", | - |
| 232 | " c #000000", | - |
| 233 | "X c #FFFFFF", | - |
| 234 | "X X X X X X X", | - |
| 235 | " X X X X X X ", | - |
| 236 | "X ......... X", | - |
| 237 | " X.........X ", | - |
| 238 | "X ......... X", | - |
| 239 | " X.........X ", | - |
| 240 | "X ......... X", | - |
| 241 | " X X X X X X ", | - |
| 242 | "X X X X X X X", | - |
| 243 | }; | - |
| 244 | | - |
| 245 | Q_GLOBAL_STATIC_WITH_ARGS(QPixmap,qt_drag_default_pixmap,(default_pm)) never executed: delete x; never executed: return thisGlobalStatic.pointer.load(); never evaluated: !thisGlobalStatic.pointer.testAndSetOrdered(0, x) never evaluated: !thisGlobalStatic.pointer.load() never evaluated: !thisGlobalStatic.destroyed | 0 |
| 246 | | - |
| 247 | QPixmap QPlatformDrag::defaultPixmap() | - |
| 248 | { | - |
| 249 | return *qt_drag_default_pixmap(); never executed: return *qt_drag_default_pixmap(); | 0 |
| 250 | } | - |
| 251 | | - |
| 252 | #endif // QT_NO_DRAGANDDROP | - |
| 253 | | - |
| 254 | QT_END_NAMESPACE | - |
| 255 | | - |
| | |