1 #include "searchlineedit.h"
2 #include "autocomplete.h"
5 class SearchButton : public QAbstractButton {
8 SearchButton(QWidget *parent = 0);
12 void paintEvent(QPaintEvent *e);
13 void mousePressEvent(QMouseEvent *e);
17 SearchButton::SearchButton(QWidget *parent)
18 : QAbstractButton(parent),
20 setObjectName(QLatin1String("SearchButton"));
21 setCursor(Qt::ArrowCursor);
22 setFocusPolicy(Qt::NoFocus);
25 void SearchButton::mousePressEvent(QMouseEvent *e) {
26 if (m_menu && e->button() == Qt::LeftButton) {
27 QWidget *p = parentWidget();
29 QPoint r = p->mapToGlobal(QPoint(0, p->height()));
30 m_menu->exec(QPoint(r.x() + height() / 2, r.y()));
34 QAbstractButton::mousePressEvent(e);
37 void SearchButton::paintEvent(QPaintEvent *e) {
39 QPainter painter(this);
40 const int h = height();
42 if (h > 30) iconSize = 22;
43 QPixmap p = IconUtils::icon("edit-find").pixmap(iconSize, iconSize);
44 int x = (width() - p.width()) / 2;
45 int y = (h - p.height()) / 2;
46 painter.drawPixmap(x, y, p);
49 SearchLineEdit::SearchLineEdit(QWidget *parent) : ExLineEdit(parent), searchButton(new SearchButton(this)) {
50 connect(m_lineEdit, SIGNAL(textChanged(const QString &)), SIGNAL(textChanged(const QString &)));
51 connect(m_lineEdit, SIGNAL(textEdited(const QString &)), SIGNAL(textEdited(const QString &)));
52 connect(m_lineEdit, SIGNAL(returnPressed()), SLOT(returnPressed()));
54 setLeftWidget(searchButton);
55 inactiveText = tr("Search");
57 QSizePolicy policy = sizePolicy();
58 setSizePolicy(QSizePolicy::Preferred, policy.verticalPolicy());
61 autoComplete = new AutoComplete(this, m_lineEdit);
62 connect(autoComplete, SIGNAL(suggestionAccepted(Suggestion*)), SIGNAL(suggestionAccepted(Suggestion*)));
65 void SearchLineEdit::paintEvent(QPaintEvent *e) {
66 ExLineEdit::paintEvent(e);
67 if (m_lineEdit->text().isEmpty() && !hasFocus() && !inactiveText.isEmpty()) {
68 QStyleOptionFrameV2 panel;
69 initStyleOption(&panel);
70 QRect r = style()->subElementRect(QStyle::SE_LineEditContents, &panel, this);
71 QFontMetrics fm = fontMetrics();
72 int horizontalMargin = m_lineEdit->x();
73 QRect lineRect(horizontalMargin + r.x(), r.y() + (r.height() - fm.height() + 1) / 2,
74 r.width() - 2 * horizontalMargin, fm.height());
75 QPainter painter(this);
76 painter.setPen(palette().brush(QPalette::Disabled, QPalette::Text).color());
77 painter.drawText(lineRect, Qt::AlignLeft | Qt::AlignVCenter, inactiveText);
81 void SearchLineEdit::resizeEvent(QResizeEvent *e) {
83 ExLineEdit::resizeEvent(e);
86 void SearchLineEdit::updateGeometries() {
87 int menuHeight = height();
88 int menuWidth = menuHeight + 1;
89 if (!searchButton->m_menu)
90 menuWidth = (menuHeight / 5) * 4;
91 searchButton->resize(QSize(menuWidth, menuHeight));
94 void SearchLineEdit::setInactiveText(const QString &text) {
98 void SearchLineEdit::setText(const QString &text) {
99 m_lineEdit->setText(text);
102 AutoComplete *SearchLineEdit::getAutoComplete() {
106 void SearchLineEdit::setMenu(QMenu *menu) {
107 if (searchButton->m_menu)
108 searchButton->m_menu->deleteLater();
109 searchButton->m_menu = menu;
113 QMenu *SearchLineEdit::menu() const {
114 if (!searchButton->m_menu) {
115 searchButton->m_menu = new QMenu(searchButton);
117 (const_cast<SearchLineEdit*>(this))->updateGeometries();
119 return searchButton->m_menu;
122 void SearchLineEdit::returnPressed() {
123 QString text = m_lineEdit->text().simplified();
124 if (!text.isEmpty()) {
125 autoComplete->preventSuggest();
130 void SearchLineEdit::enableSuggest() {
131 autoComplete->enableSuggest();
134 void SearchLineEdit::preventSuggest() {
135 autoComplete->preventSuggest();
138 void SearchLineEdit::selectAll() {
139 m_lineEdit->selectAll();
142 void SearchLineEdit::setSuggester(Suggester *suggester) {
143 autoComplete->setSuggester(suggester);
146 void SearchLineEdit::focusInEvent(QFocusEvent *e) {
147 ExLineEdit::focusInEvent(e);
151 void SearchLineEdit::emitTextChanged(const QString &text) {
152 autoComplete->enableSuggest();
153 emit textEdited(text);
156 QString SearchLineEdit::text() {
157 return m_lineEdit->text();
160 QLineEdit *SearchLineEdit::getLineEdit() {
164 void SearchLineEdit::setEnabled(bool enabled) {
165 ExLineEdit::setEnabled(enabled);
166 emit enabledChanged(enabled);