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50
51#include "filterwidget.h"
52
53#include <QIcon>
54#include <QPixmap>
55#include <QMenu>
56#include <QAction>
57#include <QActionGroup>
58#include <QToolButton>
59#include <QWidgetAction>
60
61FilterWidget::FilterWidget(QWidget *parent)
62 : QLineEdit(parent)
63 , m_patternGroup(new QActionGroup(this))
64{
65 setClearButtonEnabled(true);
66 connect(sender: this, signal: &QLineEdit::textChanged, receiver: this, slot: &FilterWidget::filterChanged);
67
68 QMenu *menu = new QMenu(this);
69 m_caseSensitivityAction = menu->addAction(text: tr(s: "Case Sensitive"));
70 m_caseSensitivityAction->setCheckable(true);
71 connect(sender: m_caseSensitivityAction, signal: &QAction::toggled, receiver: this, slot: &FilterWidget::filterChanged);
72
73 menu->addSeparator();
74 m_patternGroup->setExclusive(true);
75 QAction *patternAction = menu->addAction(text: "Fixed String");
76 patternAction->setData(QVariant(int(QRegExp::FixedString)));
77 patternAction->setCheckable(true);
78 patternAction->setChecked(true);
79 m_patternGroup->addAction(a: patternAction);
80 patternAction = menu->addAction(text: "Regular Expression");
81 patternAction->setCheckable(true);
82 patternAction->setData(QVariant(int(QRegExp::RegExp2)));
83 m_patternGroup->addAction(a: patternAction);
84 patternAction = menu->addAction(text: "Wildcard");
85 patternAction->setCheckable(true);
86 patternAction->setData(QVariant(int(QRegExp::Wildcard)));
87 m_patternGroup->addAction(a: patternAction);
88 connect(sender: m_patternGroup, signal: &QActionGroup::triggered, receiver: this, slot: &FilterWidget::filterChanged);
89
90 const QIcon icon = QIcon(QPixmap(":/images/find.png"));
91 QToolButton *optionsButton = new QToolButton;
92#ifndef QT_NO_CURSOR
93 optionsButton->setCursor(Qt::ArrowCursor);
94#endif
95 optionsButton->setFocusPolicy(Qt::NoFocus);
96 optionsButton->setStyleSheet("* { border: none; }");
97 optionsButton->setIcon(icon);
98 optionsButton->setMenu(menu);
99 optionsButton->setPopupMode(QToolButton::InstantPopup);
100
101 QWidgetAction *optionsAction = new QWidgetAction(this);
102 optionsAction->setDefaultWidget(optionsButton);
103 addAction(action: optionsAction, position: QLineEdit::LeadingPosition);
104}
105
106Qt::CaseSensitivity FilterWidget::caseSensitivity() const
107{
108 return m_caseSensitivityAction->isChecked() ? Qt::CaseSensitive : Qt::CaseInsensitive;
109}
110
111void FilterWidget::setCaseSensitivity(Qt::CaseSensitivity cs)
112{
113 m_caseSensitivityAction->setChecked(cs == Qt::CaseSensitive);
114}
115
116static inline QRegExp::PatternSyntax patternSyntaxFromAction(const QAction *a)
117{
118 return static_cast<QRegExp::PatternSyntax>(a->data().toInt());
119}
120
121QRegExp::PatternSyntax FilterWidget::patternSyntax() const
122{
123 return patternSyntaxFromAction(a: m_patternGroup->checkedAction());
124}
125
126void FilterWidget::setPatternSyntax(QRegExp::PatternSyntax s)
127{
128 const QList<QAction*> actions = m_patternGroup->actions();
129 for (QAction *a : actions) {
130 if (patternSyntaxFromAction(a) == s) {
131 a->setChecked(true);
132 break;
133 }
134 }
135}
136

source code of qtbase/examples/widgets/itemviews/customsortfiltermodel/filterwidget.cpp