VirtualBox

source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/widgets/UISearchLineEdit.cpp@ 103988

Last change on this file since 103988 was 98103, checked in by vboxsync, 23 months ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 3.6 KB
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1/* $Id: UISearchLineEdit.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * VBox Qt GUI - UIsearchLineEdit class definitions.
4 */
5
6/*
7 * Copyright (C) 2009-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28/* Qt includes */
29#include <QApplication>
30#include <QPainter>
31
32/* GUI includes: */
33#include "UISearchLineEdit.h"
34
35UISearchLineEdit::UISearchLineEdit(QWidget *pParent /* = 0 */)
36 :QLineEdit(pParent)
37 , m_iMatchCount(0)
38 , m_iScrollToIndex(-1)
39 , m_fMark(true)
40 , m_unmarkColor(palette().color(QPalette::Base))
41 , m_markColor(QColor(m_unmarkColor.red(),
42 0.7 * m_unmarkColor.green(),
43 0.7 * m_unmarkColor.blue()))
44{
45}
46
47void UISearchLineEdit::paintEvent(QPaintEvent *pEvent)
48{
49 QLineEdit::paintEvent(pEvent);
50
51 /* No search terms. no search. nothing to show here: */
52 if (text().isEmpty())
53 {
54 colorBackground(false);
55 return;
56 }
57 /* Draw the total match count and the current scrolled item's index on the right hand side of the line edit: */
58 QPainter painter(this);
59 QFont pfont = font();
60 QString strText = QString("%1/%2").arg(QString::number(m_iScrollToIndex + 1)).arg(QString::number(m_iMatchCount));
61#if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
62 QSize textSize(QApplication::fontMetrics().horizontalAdvance(strText),
63 QApplication::fontMetrics().height());
64#else
65 QSize textSize(QApplication::fontMetrics().width(strText),
66 QApplication::fontMetrics().height());
67#endif
68
69 /* Dont draw anything if we dont have enough space: */
70 if (textSize.width() > 0.5 * width())
71 return;
72 int iTopMargin = (height() - textSize.height()) / 2;
73 int iRightMargin = iTopMargin;
74
75 QColor fontColor(Qt::black);
76 painter.setPen(fontColor);
77 painter.setFont(pfont);
78
79 painter.drawText(QRect(width() - textSize.width() - iRightMargin, iTopMargin, textSize.width(), textSize.height()),
80 Qt::AlignCenter | Qt::AlignVCenter, strText);
81 colorBackground(m_iMatchCount == 0);
82}
83
84void UISearchLineEdit::setMatchCount(int iMatchCount)
85{
86 if (m_iMatchCount == iMatchCount)
87 return;
88 m_iMatchCount = iMatchCount;
89 repaint();
90}
91
92void UISearchLineEdit::setScrollToIndex(int iScrollToIndex)
93{
94 if (m_iScrollToIndex == iScrollToIndex)
95 return;
96 m_iScrollToIndex = iScrollToIndex;
97 repaint();
98}
99
100void UISearchLineEdit::reset()
101{
102 clear();
103 m_iMatchCount = 0;
104 m_iScrollToIndex = 0;
105 colorBackground(false);
106}
107
108void UISearchLineEdit::colorBackground(bool fWarning)
109{
110 QPalette mPalette = QApplication::palette();
111 /** Make sure we reset color. */
112 if (!fWarning || !m_fMark)
113 {
114 mPalette.setColor(QPalette::Base, m_unmarkColor);
115 setPalette(mPalette);
116 return;
117 }
118
119 if (m_fMark && fWarning)
120 {
121 mPalette.setColor(QPalette::Base, m_markColor);
122 setPalette(mPalette);
123 return;
124 }
125}
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