Mercurial > projects > qtd
annotate examples/draganddrop/dropsite/droparea.d @ 323:7a3c43424dca signals
make all examples compile with new signals/slots
author | eldar_ins@eldar-laptop |
---|---|
date | Mon, 28 Dec 2009 16:28:55 +0500 |
parents | 1f6923c8cba0 |
children | a032df77b6ab |
rev | line source |
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19 | 1 /**************************************************************************** |
2 ** | |
3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). | |
4 ** Contact: Qt Software Information (qt-info@nokia.com) | |
5 ** | |
6 ** This file is part of the examples of the Qt Toolkit. | |
7 ** | |
8 ** $QT_BEGIN_LICENSE:LGPL$ | |
9 ** Commercial Usage | |
10 ** Licensees holding valid Qt Commercial licenses may use this file in | |
11 ** accordance with the Qt Commercial License Agreement provided with the | |
12 ** Software or, alternatively, in accordance with the terms contained in | |
13 ** a written agreement between you and Nokia. | |
14 ** | |
15 ** GNU Lesser General Public License Usage | |
16 ** Alternatively, this file may be used under the terms of the GNU Lesser | |
17 ** General Public License version 2.1 as published by the Free Software | |
18 ** Foundation and appearing in the file LICENSE.LGPL included in the | |
19 ** packaging of this file. Please review the following information to | |
20 ** ensure the GNU Lesser General Public License version 2.1 requirements | |
21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
22 ** | |
23 ** In addition, as a special exception, Nokia gives you certain | |
24 ** additional rights. These rights are described in the Nokia Qt LGPL | |
25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this | |
26 ** package. | |
27 ** | |
28 ** GNU General Public License Usage | |
29 ** Alternatively, this file may be used under the terms of the GNU | |
30 ** General Public License version 3.0 as published by the Free Software | |
31 ** Foundation and appearing in the file LICENSE.GPL included in the | |
32 ** packaging of this file. Please review the following information to | |
33 ** ensure the GNU General Public License version 3.0 requirements will be | |
34 ** met: http://www.gnu.org/copyleft/gpl.html. | |
35 ** | |
36 ** If you are unsure which license is appropriate for your use, please | |
37 ** contact the sales department at qt-sales@nokia.com. | |
38 ** $QT_END_LICENSE$ | |
39 ** | |
40 ****************************************************************************/ | |
41 | |
42 module droparea; | |
43 | |
44 import qt.gui.QLabel; | |
45 | |
46 class DropArea : public QLabel | |
47 { | |
48 public: | |
49 this(QWidget parent = null) | |
50 { | |
51 super(parent); | |
52 | |
53 setMinimumSize(200, 200); | |
54 setFrameStyle(QFrame.Sunken | QFrame.StyledPanel); | |
55 setAlignment(Qt.AlignCenter); | |
56 setAcceptDrops(true); | |
57 setAutoFillBackground(true); | |
58 clearArea(); | |
59 } | |
60 | |
323
7a3c43424dca
make all examples compile with new signals/slots
eldar_ins@eldar-laptop
parents:
284
diff
changeset
|
61 void slot_clearArea() |
19 | 62 { |
63 setText(tr("<drop content>")); | |
64 setBackgroundRole(QPalette.Dark); | |
65 | |
284 | 66 changed(null); |
19 | 67 } |
68 | |
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parents:
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diff
changeset
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69 final void signal_changed(QMimeData); |
19 | 70 |
71 protected: | |
72 void dragEnterEvent(QDragEnterEvent event) | |
73 { | |
74 setText(tr("<drop content>")); | |
75 setBackgroundRole(QPalette.Highlight); | |
21 | 76 |
19 | 77 event.acceptProposedAction(); |
284 | 78 changed(event.mimeData); |
19 | 79 } |
80 | |
81 void dragMoveEvent(QDragMoveEvent event) | |
82 { | |
83 event.acceptProposedAction(); | |
84 } | |
85 | |
86 void dragLeaveEvent(QDragLeaveEvent event) | |
87 { | |
88 clearArea(); | |
89 event.accept(); | |
90 } | |
91 | |
92 void dropEvent(QDropEvent event) | |
93 { | |
94 QMimeData mimeData = event.mimeData(); | |
95 | |
96 if (mimeData.hasImage()) { | |
69 | 97 setPixmap(new QPixmap(mimeData.imageData)); |
19 | 98 } else if (mimeData.hasHtml()) { |
99 setText(mimeData.html()); | |
100 setTextFormat(Qt.RichText); | |
101 } else if (mimeData.hasText()) { | |
102 setText(mimeData.text()); | |
103 setTextFormat(Qt.PlainText); | |
104 } else if (mimeData.hasUrls()) { | |
323
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parents:
284
diff
changeset
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105 auto urlList = mimeData.urls(); |
206 | 106 string text; |
19 | 107 for (int i = 0; i < urlList.length && i < 32; ++i) { |
108 text ~= urlList[i].path() ~ "\n"; | |
109 } | |
110 setText(text); | |
111 } else { | |
112 setText(tr("Cannot display data")); | |
113 } | |
114 | |
115 setBackgroundRole(QPalette.Dark); | |
116 event.acceptProposedAction(); | |
117 } | |
118 | |
119 private: | |
120 QLabel label; | |
323
7a3c43424dca
make all examples compile with new signals/slots
eldar_ins@eldar-laptop
parents:
284
diff
changeset
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121 |
7a3c43424dca
make all examples compile with new signals/slots
eldar_ins@eldar-laptop
parents:
284
diff
changeset
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122 mixin Q_OBJECT; |
19 | 123 } |
124 |