1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2013 Maximilian Güntner <maximilian.guentner@gmail.com>
*
* This file is subject to the terms and conditions of version 2 of
* the GNU General Public License. See the file gpl-2.0.txt in the main
* directory of this archive for more details.
*
* Original License:
*
* This file is part of the Nepomuk widgets collection
* Copyright (c) 2013 Denis Steckelmacher <steckdenis@yahoo.fr>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2.1 as published by the Free Software Foundation,
* or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "groupedlineedit.h"
#include <QScrollBar>
#include <QTextBlock>
#include <QPainter>
#include <QApplication>
#include <QStyle>
#include <QStyleOptionFocusRect>
#include <QDebug>
#include <cmath>
struct GroupedLineEdit::Private {
struct Block {
int start;
int end;
QString text;
};
QVector<Block> blocks;
QVector<QColor> colors;
};
GroupedLineEdit::GroupedLineEdit(QWidget *parent) : QPlainTextEdit(parent),
d(new Private)
{
setWordWrapMode(QTextOption::NoWrap);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
document()->setMaximumBlockCount(1);
}
GroupedLineEdit::~GroupedLineEdit()
{
delete d;
}
QString GroupedLineEdit::text() const
{
// Remove the block crosses from the text
return toPlainText();
}
int GroupedLineEdit::cursorPosition() const
{
return textCursor().positionInBlock();
}
void GroupedLineEdit::addBlock(int start, int end)
{
Private::Block block;
block.start = start;
block.end = end;
block.text = text().mid(start, end - start + 1).remove(',').trimmed();
if (block.text.isEmpty())
return;
d->blocks.append(block);
viewport()->update();
}
void GroupedLineEdit::addColor(QColor color)
{
d->colors.append(color);
}
void GroupedLineEdit::removeAllColors()
{
d->colors.clear();
}
QStringList GroupedLineEdit::getBlockStringList()
{
QStringList retList;
foreach (const Private::Block &block, d->blocks)
retList.append(block.text);
return retList;
}
void GroupedLineEdit::setCursorPosition(int position)
{
QTextCursor c = textCursor();
c.setPosition(position, QTextCursor::MoveAnchor);
setTextCursor(c);
}
void GroupedLineEdit::setText(const QString &text)
{
setPlainText(text);
}
void GroupedLineEdit::clear()
{
QPlainTextEdit::clear();
removeAllBlocks();
}
void GroupedLineEdit::selectAll()
{
QTextCursor c = textCursor();
c.select(QTextCursor::LineUnderCursor);
setTextCursor(c);
}
void GroupedLineEdit::removeAllBlocks()
{
d->blocks.clear();
viewport()->update();
}
QSize GroupedLineEdit::sizeHint() const
{
QSize rs(
40,
lrint(document()->findBlock(0).layout()->lineAt(0).height() +
document()->documentMargin() * 2 +
frameWidth() * 2));
return rs;
}
QSize GroupedLineEdit::minimumSizeHint() const
{
return sizeHint();
}
void GroupedLineEdit::keyPressEvent(QKeyEvent *e)
{
switch (e->key()) {
case Qt::Key_Return:
case Qt::Key_Enter:
emit editingFinished();
return;
}
QPlainTextEdit::keyPressEvent(e);
}
void GroupedLineEdit::paintEvent(QPaintEvent *e)
{
QTextLine line = document()->findBlock(0).layout()->lineAt(0);
QPainter painter(viewport());
painter.setRenderHint(QPainter::Antialiasing, true);
painter.fillRect(0, 0, viewport()->width(), viewport()->height(), palette().base());
QVectorIterator<QColor> i(d->colors);
i.toFront();
foreach (const Private::Block &block, d->blocks) {
qreal start_x = line.cursorToX(block.start, QTextLine::Leading);
qreal end_x = line.cursorToX(block.end-1, QTextLine::Trailing);
QPainterPath path;
QRectF rectangle(
start_x - 1.0 - double(horizontalScrollBar()->value()),
1.0,
end_x - start_x + 2.0,
double(viewport()->height() - 2));
if (!i.hasNext())
i.toFront();
path.addRoundedRect(rectangle, 5.0, 5.0);
painter.setPen(i.peekNext());
if (palette().color(QPalette::Text).lightnessF() <= 0.3)
painter.setBrush(i.next().lighter());
else if (palette().color(QPalette::Text).lightnessF() <= 0.6)
painter.setBrush(i.next());
else
painter.setBrush(i.next().darker());
painter.drawPath(path);
}
QPlainTextEdit::paintEvent(e);
}
|
