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1 | /**************************************************************************** |
---|---|
2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the tools applications 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 "previewframe.h" |
43 | #include "previewwidget.h" |
44 | |
45 | #include <QBoxLayout> |
46 | #include <QPainter> |
47 | #include <QMdiSubWindow> |
48 | |
49 | QT_BEGIN_NAMESPACE |
50 | |
51 | PreviewFrame::PreviewFrame(QWidget *parent) |
52 | : QFrame(parent) |
53 | { |
54 | setMinimumSize(200, 200); |
55 | setFrameStyle(QFrame::StyledPanel | QFrame::Sunken); |
56 | setLineWidth(1); |
57 | |
58 | QVBoxLayout *vbox = new QVBoxLayout(this); |
59 | vbox->setMargin(0); |
60 | previewWidget = new PreviewWidget; |
61 | workspace = new Workspace(this); |
62 | vbox->addWidget(workspace); |
63 | previewWidget->setAutoFillBackground(true); |
64 | } |
65 | |
66 | void PreviewFrame::setPreviewPalette(QPalette pal) |
67 | { |
68 | previewWidget->setPalette(pal); |
69 | } |
70 | |
71 | QString PreviewFrame::previewText() const |
72 | { |
73 | return m_previewWindowText; |
74 | } |
75 | |
76 | void PreviewFrame::setPreviewVisible(bool visible) |
77 | { |
78 | previewWidget->parentWidget()->setVisible(visible); |
79 | if (visible) |
80 | m_previewWindowText = QLatin1String("The moose in the noose\nate the goose who was loose."); |
81 | else |
82 | m_previewWindowText = tr("Desktop settings will only take effect after an application restart."); |
83 | workspace->viewport()->update(); |
84 | } |
85 | |
86 | Workspace::Workspace(PreviewFrame *parent) |
87 | : QMdiArea(parent) |
88 | { |
89 | previewFrame = parent; |
90 | PreviewWidget *previewWidget = previewFrame->widget(); |
91 | QMdiSubWindow *frame = addSubWindow(previewWidget, Qt::Window); |
92 | frame->move(10, 10); |
93 | frame->show(); |
94 | } |
95 | |
96 | void Workspace::paintEvent(QPaintEvent *) |
97 | { |
98 | QPainter p(viewport()); |
99 | p.fillRect(rect(), palette().color(backgroundRole()).dark()); |
100 | p.setPen(QPen(Qt::white)); |
101 | p.drawText(0, height() / 2, width(), height(), Qt::AlignHCenter, previewFrame->previewText()); |
102 | } |
103 | |
104 | QT_END_NAMESPACE |
105 |
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