diff options
Diffstat (limited to 'examples/gestures/browser/searchlineedit.cpp')
| -rw-r--r-- | examples/gestures/browser/searchlineedit.cpp | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/examples/gestures/browser/searchlineedit.cpp b/examples/gestures/browser/searchlineedit.cpp deleted file mode 100644 index e04010d35..000000000 --- a/examples/gestures/browser/searchlineedit.cpp +++ /dev/null @@ -1,238 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "searchlineedit.h" - -#include <QtGui/QPainter> -#include <QtGui/QMouseEvent> -#include <QtGui/QMenu> -#include <QtGui/QStyle> -#include <QtGui/QStyleOptionFrameV2> - -ClearButton::ClearButton(QWidget *parent) - : QAbstractButton(parent) -{ - setCursor(Qt::ArrowCursor); - setToolTip(tr("Clear")); - setVisible(false); - setFocusPolicy(Qt::NoFocus); -} - -void ClearButton::paintEvent(QPaintEvent *event) -{ - Q_UNUSED(event); - QPainter painter(this); - int height = this->height(); - - painter.setRenderHint(QPainter::Antialiasing, true); - QColor color = palette().color(QPalette::Mid); - painter.setBrush(isDown() - ? palette().color(QPalette::Dark) - : palette().color(QPalette::Mid)); - painter.setPen(painter.brush().color()); - int size = width(); - int offset = size / 5; - int radius = size - offset * 2; - painter.drawEllipse(offset, offset, radius, radius); - - painter.setPen(palette().color(QPalette::Base)); - int border = offset * 2; - painter.drawLine(border, border, width() - border, height - border); - painter.drawLine(border, height - border, width() - border, border); -} - -void ClearButton::textChanged(const QString &text) -{ - setVisible(!text.isEmpty()); -} - -/* - Search icon on the left hand side of the search widget - When a menu is set a down arrow appears - */ -class SearchButton : public QAbstractButton { -public: - SearchButton(QWidget *parent = 0); - void paintEvent(QPaintEvent *event); - QMenu *m_menu; - -protected: - void mousePressEvent(QMouseEvent *event); -}; - -SearchButton::SearchButton(QWidget *parent) - : QAbstractButton(parent), - m_menu(0) -{ - setObjectName(QLatin1String("SearchButton")); - setCursor(Qt::ArrowCursor); - setFocusPolicy(Qt::NoFocus); -} - -void SearchButton::mousePressEvent(QMouseEvent *event) -{ - if (m_menu && event->button() == Qt::LeftButton) { - QWidget *p = parentWidget(); - if (p) { - QPoint r = p->mapToGlobal(QPoint(0, p->height())); - m_menu->exec(QPoint(r.x() + height() / 2, r.y())); - } - event->accept(); - } - QAbstractButton::mousePressEvent(event); -} - -void SearchButton::paintEvent(QPaintEvent *event) -{ - Q_UNUSED(event); - QPainterPath myPath; - - int radius = (height() / 5) * 2; - QRect circle(height() / 3 - 1, height() / 4, radius, radius); - myPath.addEllipse(circle); - - myPath.arcMoveTo(circle, 300); - QPointF c = myPath.currentPosition(); - int diff = height() / 7; - myPath.lineTo(qMin(width() - 2, (int)c.x() + diff), c.y() + diff); - - QPainter painter(this); - painter.setRenderHint(QPainter::Antialiasing, true); - painter.setPen(QPen(Qt::darkGray, 2)); - painter.drawPath(myPath); - - if (m_menu) { - QPainterPath dropPath; - dropPath.arcMoveTo(circle, 320); - QPointF c = dropPath.currentPosition(); - c = QPointF(c.x() + 3.5, c.y() + 0.5); - dropPath.moveTo(c); - dropPath.lineTo(c.x() + 4, c.y()); - dropPath.lineTo(c.x() + 2, c.y() + 2); - dropPath.closeSubpath(); - painter.setPen(Qt::darkGray); - painter.setBrush(Qt::darkGray); - painter.setRenderHint(QPainter::Antialiasing, false); - painter.drawPath(dropPath); - } - painter.end(); -} - -/* - SearchLineEdit is an enhanced QLineEdit - - A Search icon on the left with optional menu - - When there is no text and doesn't have focus an "inactive text" is displayed - - When there is text a clear button is displayed on the right hand side - */ -SearchLineEdit::SearchLineEdit(QWidget *parent) : ExLineEdit(parent), - m_searchButton(new SearchButton(this)) -{ - connect(lineEdit(), SIGNAL(textChanged(const QString &)), - this, SIGNAL(textChanged(const QString &))); - setLeftWidget(m_searchButton); - m_inactiveText = tr("Search"); - - QSizePolicy policy = sizePolicy(); - setSizePolicy(QSizePolicy::Preferred, policy.verticalPolicy()); -} - -void SearchLineEdit::paintEvent(QPaintEvent *event) -{ - if (lineEdit()->text().isEmpty() && !hasFocus() && !m_inactiveText.isEmpty()) { - ExLineEdit::paintEvent(event); - QStyleOptionFrameV2 panel; - initStyleOption(&panel); - QRect r = style()->subElementRect(QStyle::SE_LineEditContents, &panel, this); - QFontMetrics fm = fontMetrics(); - int horizontalMargin = lineEdit()->x(); - QRect lineRect(horizontalMargin + r.x(), r.y() + (r.height() - fm.height() + 1) / 2, - r.width() - 2 * horizontalMargin, fm.height()); - QPainter painter(this); - painter.setPen(palette().brush(QPalette::Disabled, QPalette::Text).color()); - painter.drawText(lineRect, Qt::AlignLeft|Qt::AlignVCenter, m_inactiveText); - } else { - ExLineEdit::paintEvent(event); - } -} - -void SearchLineEdit::resizeEvent(QResizeEvent *event) -{ - updateGeometries(); - ExLineEdit::resizeEvent(event); -} - -void SearchLineEdit::updateGeometries() -{ - int menuHeight = height(); - int menuWidth = menuHeight + 1; - if (!m_searchButton->m_menu) - menuWidth = (menuHeight / 5) * 4; - m_searchButton->resize(QSize(menuWidth, menuHeight)); -} - -QString SearchLineEdit::inactiveText() const -{ - return m_inactiveText; -} - -void SearchLineEdit::setInactiveText(const QString &text) -{ - m_inactiveText = text; -} - -void SearchLineEdit::setMenu(QMenu *menu) -{ - if (m_searchButton->m_menu) - m_searchButton->m_menu->deleteLater(); - m_searchButton->m_menu = menu; - updateGeometries(); -} - -QMenu *SearchLineEdit::menu() const -{ - if (!m_searchButton->m_menu) { - m_searchButton->m_menu = new QMenu(m_searchButton); - if (isVisible()) - (const_cast<SearchLineEdit*>(this))->updateGeometries(); - } - return m_searchButton->m_menu; -} - |