1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** Contact: Qt Software Information ([email protected])
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5 | **
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6 | ** This file is part of the Qt3Support module of the Qt Toolkit.
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7 | **
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8 | ** $QT_BEGIN_LICENSE:LGPL$
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9 | ** Commercial Usage
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10 | ** Licensees holding valid Qt Commercial licenses may use this file in
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11 | ** accordance with the Qt Commercial License Agreement provided with the
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12 | ** Software or, alternatively, in accordance with the terms contained in
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13 | ** a written agreement between you and Nokia.
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14 | **
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15 | ** GNU Lesser General Public License Usage
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16 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 | ** General Public License version 2.1 as published by the Free Software
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18 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 | ** packaging of this file. Please review the following information to
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20 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 | **
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23 | ** In addition, as a special exception, Nokia gives you certain
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24 | ** additional rights. These rights are described in the Nokia Qt LGPL
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25 | ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 | ** package.
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27 | **
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28 | ** GNU General Public License Usage
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29 | ** Alternatively, this file may be used under the terms of the GNU
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30 | ** General Public License version 3.0 as published by the Free Software
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31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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32 | ** packaging of this file. Please review the following information to
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33 | ** ensure the GNU General Public License version 3.0 requirements will be
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34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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35 | **
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36 | ** If you are unsure which license is appropriate for your use, please
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37 | ** contact the sales department at [email protected].
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38 | ** $QT_END_LICENSE$
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39 | **
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40 | ****************************************************************************/
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41 |
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42 | #ifndef Q3DRAGOBJECT_H
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43 | #define Q3DRAGOBJECT_H
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44 |
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45 | #include <QtCore/qobject.h>
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46 | #include <QtGui/qcolor.h>
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47 | #include <QtGui/qmime.h>
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48 | #include <QtGui/qimage.h>
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49 | #include <Qt3Support/q3strlist.h>
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50 | #include <QtCore/qlist.h>
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51 |
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52 | QT_BEGIN_HEADER
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53 |
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54 | QT_BEGIN_NAMESPACE
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55 |
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56 | QT_MODULE(Qt3SupportLight)
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57 |
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58 | class QWidget;
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59 | class Q3TextDragPrivate;
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60 | class Q3DragObjectPrivate;
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61 | class Q3StoredDragPrivate;
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62 | class Q3ImageDragPrivate;
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63 | class Q3ImageDrag;
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64 | class Q3TextDrag;
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65 | class Q3StrList;
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66 | class QImage;
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67 | class QPixmap;
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68 |
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69 | class Q_COMPAT_EXPORT Q3DragObject : public QObject, public QMimeSource {
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70 | Q_OBJECT
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71 | Q_DECLARE_PRIVATE(Q3DragObject)
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72 | public:
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73 | Q3DragObject(QWidget * dragSource = 0, const char *name = 0);
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74 | virtual ~Q3DragObject();
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75 |
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76 | bool drag();
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77 | bool dragMove();
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78 | void dragCopy();
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79 | void dragLink();
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80 |
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81 | virtual void setPixmap(QPixmap);
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82 | virtual void setPixmap(QPixmap, const QPoint& hotspot);
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83 | QPixmap pixmap() const;
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84 | QPoint pixmapHotSpot() const;
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85 |
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86 | QWidget * source();
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87 | static QWidget * target();
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88 |
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89 | enum DragMode { DragDefault, DragCopy, DragMove, DragLink, DragCopyOrMove };
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90 |
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91 | protected:
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92 | Q3DragObject(Q3DragObjectPrivate &, QWidget *dragSource = 0);
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93 | virtual bool drag(DragMode);
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94 |
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95 | private:
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96 | friend class QDragMime;
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97 | Q_DISABLE_COPY(Q3DragObject)
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98 | };
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99 |
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100 | class Q_COMPAT_EXPORT Q3StoredDrag: public Q3DragObject {
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101 | Q_OBJECT
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102 | Q_DECLARE_PRIVATE(Q3StoredDrag)
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103 | public:
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104 | Q3StoredDrag(const char *mimeType, QWidget *dragSource = 0, const char *name = 0);
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105 | ~Q3StoredDrag();
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106 |
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107 | virtual void setEncodedData(const QByteArray &);
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108 |
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109 | const char * format(int i) const;
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110 | virtual QByteArray encodedData(const char*) const;
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111 |
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112 | protected:
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113 | Q3StoredDrag(Q3StoredDragPrivate &, const char *mimeType, QWidget *dragSource = 0);
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114 |
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115 | private:
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116 | Q_DISABLE_COPY(Q3StoredDrag)
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117 | };
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118 |
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119 | class Q_COMPAT_EXPORT Q3TextDrag: public Q3DragObject {
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120 | Q_OBJECT
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121 | Q_DECLARE_PRIVATE(Q3TextDrag)
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122 | public:
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123 | Q3TextDrag(const QString &, QWidget *dragSource = 0, const char *name = 0);
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124 | Q3TextDrag(QWidget * dragSource = 0, const char * name = 0);
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125 | ~Q3TextDrag();
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126 |
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127 | virtual void setText(const QString &);
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128 | virtual void setSubtype(const QString &);
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129 |
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130 | const char * format(int i) const;
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131 | virtual QByteArray encodedData(const char*) const;
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132 |
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133 | static bool canDecode(const QMimeSource* e);
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134 | static bool decode(const QMimeSource* e, QString& s);
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135 | static bool decode(const QMimeSource* e, QString& s, QString& subtype);
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136 |
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137 | protected:
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138 | Q3TextDrag(Q3TextDragPrivate &, QWidget * dragSource = 0);
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139 |
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140 | private:
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141 | Q_DISABLE_COPY(Q3TextDrag)
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142 | };
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143 |
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144 | class Q_COMPAT_EXPORT Q3ImageDrag: public Q3DragObject {
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145 | Q_OBJECT
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146 | Q_DECLARE_PRIVATE(Q3ImageDrag)
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147 | public:
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148 | Q3ImageDrag(QImage image, QWidget * dragSource = 0, const char * name = 0);
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149 | Q3ImageDrag(QWidget * dragSource = 0, const char * name = 0);
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150 | ~Q3ImageDrag();
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151 |
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152 | virtual void setImage(QImage image);
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153 |
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154 | const char * format(int i) const;
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155 | virtual QByteArray encodedData(const char*) const;
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156 |
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157 | static bool canDecode(const QMimeSource* e);
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158 | static bool decode(const QMimeSource* e, QImage& i);
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159 | static bool decode(const QMimeSource* e, QPixmap& i);
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160 |
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161 | protected:
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162 | Q3ImageDrag(Q3ImageDragPrivate &, QWidget * dragSource = 0);
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163 |
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164 | private:
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165 | Q_DISABLE_COPY(Q3ImageDrag)
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166 | };
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167 |
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168 |
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169 | class Q_COMPAT_EXPORT Q3UriDrag: public Q3StoredDrag {
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170 | Q_OBJECT
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171 |
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172 | public:
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173 | Q3UriDrag(const Q3StrList &uris, QWidget * dragSource = 0, const char * name = 0);
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174 | Q3UriDrag(QWidget * dragSource = 0, const char * name = 0);
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175 | ~Q3UriDrag();
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176 |
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177 | void setFileNames(const QStringList & fnames);
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178 | inline void setFileNames(const QString & fname) { setFileNames(QStringList(fname)); }
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179 | void setFilenames(const QStringList & fnames) { setFileNames(fnames); }
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180 | inline void setFilenames(const QString & fname) { setFileNames(QStringList(fname)); }
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181 | void setUnicodeUris(const QStringList & uuris);
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182 | virtual void setUris(const QList<QByteArray> &uris);
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183 |
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184 | static QString uriToLocalFile(const char*);
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185 | static QByteArray localFileToUri(const QString&);
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186 | static QString uriToUnicodeUri(const char*);
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187 | static QByteArray unicodeUriToUri(const QString&);
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188 | static bool canDecode(const QMimeSource* e);
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189 | static bool decode(const QMimeSource* e, Q3StrList& i);
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190 | static bool decodeToUnicodeUris(const QMimeSource* e, QStringList& i);
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191 | static bool decodeLocalFiles(const QMimeSource* e, QStringList& i);
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192 |
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193 | private:
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194 | Q_DISABLE_COPY(Q3UriDrag)
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195 | };
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196 |
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197 | class Q_COMPAT_EXPORT Q3ColorDrag : public Q3StoredDrag
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198 | {
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199 | Q_OBJECT
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200 | QColor color;
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201 |
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202 | public:
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203 | Q3ColorDrag(const QColor &col, QWidget *dragsource = 0, const char *name = 0);
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204 | Q3ColorDrag(QWidget * dragSource = 0, const char * name = 0);
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205 | void setColor(const QColor &col);
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206 |
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207 | static bool canDecode(QMimeSource *);
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208 | static bool decode(QMimeSource *, QColor &col);
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209 |
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210 | private:
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211 | Q_DISABLE_COPY(Q3ColorDrag)
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212 | };
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213 |
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214 | QT_END_NAMESPACE
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215 |
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216 | QT_END_HEADER
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217 |
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218 | #endif // Q3DRAGOBJECT_H
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