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Diffstat (limited to 'utils/themeeditor/codeeditor.h')
-rw-r--r-- | utils/themeeditor/codeeditor.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/utils/themeeditor/codeeditor.h b/utils/themeeditor/codeeditor.h new file mode 100644 index 0000000000..edbe218ec4 --- /dev/null +++ b/utils/themeeditor/codeeditor.h | |||
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1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * This file has been copied from Nokia's Qt Examples, with minor modifications | ||
11 | * made available under the LGPL version 2.1, as the original file was licensed | ||
12 | * | ||
13 | **************************************************************************** | ||
14 | **************************************************************************** | ||
15 | ** | ||
16 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). | ||
17 | ** All rights reserved. | ||
18 | ** Contact: Nokia Corporation (qt-info@nokia.com) | ||
19 | ** | ||
20 | ** This file is part of the examples of the Qt Toolkit. | ||
21 | ** | ||
22 | ** GNU Lesser General Public License Usage | ||
23 | ** Alternatively, this file may be used under the terms of the GNU Lesser | ||
24 | ** General Public License version 2.1 as published by the Free Software | ||
25 | ** Foundation and appearing in the file LICENSE.LGPL included in the | ||
26 | ** packaging of this file. Please review the following information to | ||
27 | ** ensure the GNU Lesser General Public License version 2.1 requirements | ||
28 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | ||
29 | ** | ||
30 | ** In addition, as a special exception, Nokia gives you certain additional | ||
31 | ** rights. These rights are described in the Nokia Qt LGPL Exception | ||
32 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | ||
33 | ** | ||
34 | ****************************************************************************/ | ||
35 | |||
36 | #ifndef CODEEDITOR_H | ||
37 | #define CODEEDITOR_H | ||
38 | |||
39 | #include <QPlainTextEdit> | ||
40 | #include <QObject> | ||
41 | |||
42 | QT_BEGIN_NAMESPACE | ||
43 | class QPaintEvent; | ||
44 | class QResizeEvent; | ||
45 | class QSize; | ||
46 | class QWidget; | ||
47 | QT_END_NAMESPACE | ||
48 | |||
49 | class LineNumberArea; | ||
50 | |||
51 | //![codeeditordefinition] | ||
52 | |||
53 | class CodeEditor : public QPlainTextEdit | ||
54 | { | ||
55 | Q_OBJECT | ||
56 | |||
57 | public: | ||
58 | CodeEditor(QWidget *parent = 0); | ||
59 | |||
60 | void lineNumberAreaPaintEvent(QPaintEvent *event); | ||
61 | int lineNumberAreaWidth(); | ||
62 | |||
63 | protected: | ||
64 | void resizeEvent(QResizeEvent *event); | ||
65 | |||
66 | private slots: | ||
67 | void updateLineNumberAreaWidth(int newBlockCount); | ||
68 | void updateLineNumberArea(const QRect &, int); | ||
69 | |||
70 | private: | ||
71 | QWidget *lineNumberArea; | ||
72 | }; | ||
73 | |||
74 | //![codeeditordefinition] | ||
75 | //![extraarea] | ||
76 | |||
77 | class LineNumberArea : public QWidget | ||
78 | { | ||
79 | public: | ||
80 | LineNumberArea(CodeEditor *editor) : QWidget(editor) { | ||
81 | codeEditor = editor; | ||
82 | } | ||
83 | |||
84 | QSize sizeHint() const { | ||
85 | return QSize(codeEditor->lineNumberAreaWidth(), 0); | ||
86 | } | ||
87 | |||
88 | protected: | ||
89 | void paintEvent(QPaintEvent *event) { | ||
90 | codeEditor->lineNumberAreaPaintEvent(event); | ||
91 | } | ||
92 | |||
93 | private: | ||
94 | CodeEditor *codeEditor; | ||
95 | }; | ||
96 | |||
97 | //![extraarea] | ||
98 | |||
99 | #endif | ||