257 lines
8.3 KiB
C++
257 lines
8.3 KiB
C++
/*
|
|
Copyright (C) 2011 by Mike McQuaid
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
*/
|
|
|
|
#include "qsearchfield.h"
|
|
|
|
#include <QLineEdit>
|
|
#include <QVBoxLayout>
|
|
#include <QToolButton>
|
|
#include <QStyle>
|
|
#include <QApplication>
|
|
#include <QDesktopWidget>
|
|
|
|
#include <QDir>
|
|
#include <QDebug>
|
|
|
|
class QSearchFieldPrivate : public QObject
|
|
{
|
|
public:
|
|
QSearchFieldPrivate(QSearchField *searchField, QLineEdit *lineEdit, QToolButton *clearButton, QToolButton *searchButton)
|
|
: QObject(searchField), lineEdit(lineEdit), clearButton(clearButton), searchButton(searchButton) {}
|
|
|
|
int lineEditFrameWidth() const {
|
|
return lineEdit->style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
|
|
}
|
|
|
|
int clearButtonPaddedWidth() const {
|
|
return clearButton->width() + lineEditFrameWidth() * 2;
|
|
}
|
|
|
|
int clearButtonPaddedHeight() const {
|
|
return clearButton->height() + lineEditFrameWidth() * 2;
|
|
}
|
|
|
|
int searchButtonPaddedWidth() const {
|
|
return searchButton->width() + lineEditFrameWidth() * 2;
|
|
}
|
|
|
|
int searchButtonPaddedHeight() const {
|
|
return searchButton->height() + lineEditFrameWidth() * 2;
|
|
}
|
|
|
|
QPointer<QLineEdit> lineEdit;
|
|
QPointer<QToolButton> clearButton;
|
|
QPointer<QToolButton> searchButton;
|
|
QPointer<QMenu> searchMenu;
|
|
};
|
|
|
|
QSearchField::QSearchField(QWidget *parent) : QWidget(parent)
|
|
{
|
|
QLineEdit *lineEdit = new QLineEdit(this);
|
|
connect(lineEdit, SIGNAL(textChanged(QString)),
|
|
this, SIGNAL(textChanged(QString)));
|
|
connect(lineEdit, SIGNAL(editingFinished()),
|
|
this, SIGNAL(editingFinished()));
|
|
connect(lineEdit, SIGNAL(returnPressed()),
|
|
this, SIGNAL(returnPressed()));
|
|
connect(lineEdit, SIGNAL(textChanged(QString)),
|
|
this, SLOT(setText(QString)));
|
|
|
|
int iconsize = style()->pixelMetric(QStyle::PM_SmallIconSize);
|
|
QToolButton *clearButton = new QToolButton(this);
|
|
QIcon clearIcon = QIcon::fromTheme(QLatin1String("edit-clear"),
|
|
QIcon(QLatin1String(":/Qocoa/qsearchfield_nonmac_clear.png")));
|
|
clearButton->setIcon(clearIcon);
|
|
clearButton->setIconSize(QSize(iconsize, iconsize));
|
|
clearButton->setFixedSize(QSize(iconsize, iconsize));
|
|
clearButton->setStyleSheet("border: none;");
|
|
clearButton->hide();
|
|
connect(clearButton, SIGNAL(clicked()), this, SLOT(clear()));
|
|
|
|
QToolButton *searchButton = new QToolButton(this);
|
|
QIcon searchIcon = QIcon(QLatin1String(":/Qocoa/qsearchfield_nonmac_magnifier.png"));
|
|
searchButton->setIcon(searchIcon);
|
|
searchButton->setIconSize(QSize(iconsize, iconsize));
|
|
searchButton->setFixedSize(QSize(iconsize, iconsize));
|
|
searchButton->setStyleSheet("border: none;");
|
|
searchButton->setPopupMode(QToolButton::InstantPopup);
|
|
searchButton->setEnabled(false);
|
|
connect(searchButton, SIGNAL(clicked()), this, SLOT(popupMenu()));
|
|
|
|
pimpl = new QSearchFieldPrivate(this, lineEdit, clearButton, searchButton);
|
|
|
|
lineEdit->setStyleSheet(QString("QLineEdit { padding-left: %1px; padding-right: %2px; } ")
|
|
.arg(pimpl->searchButtonPaddedWidth())
|
|
.arg(pimpl->clearButtonPaddedWidth()));
|
|
const int width = qMax(lineEdit->minimumSizeHint().width(), pimpl->clearButtonPaddedWidth() + pimpl->searchButtonPaddedWidth());
|
|
const int height = qMax(lineEdit->minimumSizeHint().height(),
|
|
qMax(pimpl->clearButtonPaddedHeight(),
|
|
pimpl->searchButtonPaddedHeight()));
|
|
lineEdit->setMinimumSize(width, height);
|
|
|
|
QVBoxLayout *layout = new QVBoxLayout(this);
|
|
layout->setMargin(0);
|
|
layout->addWidget(lineEdit);
|
|
}
|
|
|
|
void QSearchField::setMenu(QMenu *menu)
|
|
{
|
|
Q_ASSERT(pimpl);
|
|
if (!pimpl)
|
|
return;
|
|
|
|
pimpl->searchMenu = menu;
|
|
|
|
QIcon searchIcon = menu ? QIcon(QLatin1String(":/Qocoa/qsearchfield_nonmac_magnifier_menu.png"))
|
|
: QIcon(QLatin1String(":/Qocoa/qsearchfield_nonmac_magnifier.png"));
|
|
pimpl->searchButton->setIcon(searchIcon);
|
|
pimpl->searchButton->setEnabled(isEnabled() && menu);
|
|
}
|
|
|
|
void QSearchField::popupMenu()
|
|
{
|
|
Q_ASSERT(pimpl);
|
|
if (!pimpl)
|
|
return;
|
|
|
|
if (pimpl->searchMenu) {
|
|
const QRect screenRect = qApp->desktop()->availableGeometry(pimpl->searchButton);
|
|
const QSize sizeHint = pimpl->searchMenu->sizeHint();
|
|
const QRect rect = pimpl->searchButton->rect();
|
|
const int x = pimpl->searchButton->isRightToLeft()
|
|
? rect.right() - sizeHint.width()
|
|
: rect.left();
|
|
const int y = pimpl->searchButton->mapToGlobal(QPoint(0, rect.bottom())).y() + sizeHint.height() <= screenRect.height()
|
|
? rect.bottom()
|
|
: rect.top() - sizeHint.height();
|
|
QPoint point = pimpl->searchButton->mapToGlobal(QPoint(x, y));
|
|
point.rx() = qMax(screenRect.left(), qMin(point.x(), screenRect.right() - sizeHint.width()));
|
|
point.ry() += 1;
|
|
|
|
pimpl->searchMenu->popup(point);
|
|
}
|
|
}
|
|
|
|
void QSearchField::changeEvent(QEvent* event)
|
|
{
|
|
if (event->type() == QEvent::EnabledChange) {
|
|
Q_ASSERT(pimpl);
|
|
if (!pimpl)
|
|
return;
|
|
|
|
const bool enabled = isEnabled();
|
|
pimpl->searchButton->setEnabled(enabled && pimpl->searchMenu);
|
|
pimpl->lineEdit->setEnabled(enabled);
|
|
pimpl->clearButton->setEnabled(enabled);
|
|
}
|
|
QWidget::changeEvent(event);
|
|
}
|
|
|
|
void QSearchField::setText(const QString &text)
|
|
{
|
|
Q_ASSERT(pimpl && pimpl->clearButton && pimpl->lineEdit);
|
|
if (!(pimpl && pimpl->clearButton && pimpl->lineEdit))
|
|
return;
|
|
|
|
pimpl->clearButton->setVisible(!text.isEmpty());
|
|
|
|
if (text != this->text())
|
|
pimpl->lineEdit->setText(text);
|
|
}
|
|
|
|
void QSearchField::setPlaceholderText(const QString &text)
|
|
{
|
|
Q_ASSERT(pimpl && pimpl->lineEdit);
|
|
if (!(pimpl && pimpl->lineEdit))
|
|
return;
|
|
|
|
#if QT_VERSION >= 0x040700
|
|
pimpl->lineEdit->setPlaceholderText(text);
|
|
#endif
|
|
}
|
|
|
|
void QSearchField::clear()
|
|
{
|
|
Q_ASSERT(pimpl && pimpl->lineEdit);
|
|
if (!(pimpl && pimpl->lineEdit))
|
|
return;
|
|
|
|
pimpl->lineEdit->clear();
|
|
}
|
|
|
|
void QSearchField::selectAll()
|
|
{
|
|
Q_ASSERT(pimpl && pimpl->lineEdit);
|
|
if (!(pimpl && pimpl->lineEdit))
|
|
return;
|
|
|
|
pimpl->lineEdit->selectAll();
|
|
}
|
|
|
|
QString QSearchField::text() const
|
|
{
|
|
Q_ASSERT(pimpl && pimpl->lineEdit);
|
|
if (!(pimpl && pimpl->lineEdit))
|
|
return QString();
|
|
|
|
return pimpl->lineEdit->text();
|
|
}
|
|
|
|
QString QSearchField::placeholderText() const {
|
|
Q_ASSERT(pimpl && pimpl->lineEdit);
|
|
if (!(pimpl && pimpl->lineEdit))
|
|
return QString();
|
|
|
|
#if QT_VERSION >= 0x040700
|
|
return pimpl->lineEdit->placeholderText();
|
|
#else
|
|
return QString();
|
|
#endif
|
|
}
|
|
|
|
void QSearchField::setFocus(Qt::FocusReason reason)
|
|
{
|
|
Q_ASSERT(pimpl && pimpl->lineEdit);
|
|
if (pimpl && pimpl->lineEdit)
|
|
pimpl->lineEdit->setFocus(reason);
|
|
}
|
|
|
|
void QSearchField::setFocus()
|
|
{
|
|
setFocus(Qt::OtherFocusReason);
|
|
}
|
|
|
|
void QSearchField::resizeEvent(QResizeEvent *resizeEvent)
|
|
{
|
|
Q_ASSERT(pimpl && pimpl->clearButton && pimpl->lineEdit);
|
|
if (!(pimpl && pimpl->clearButton && pimpl->lineEdit))
|
|
return;
|
|
|
|
QWidget::resizeEvent(resizeEvent);
|
|
const int x = width() - pimpl->clearButtonPaddedWidth();
|
|
const int y = (height() - pimpl->clearButton->height())/2;
|
|
pimpl->clearButton->move(x, y);
|
|
|
|
pimpl->searchButton->move(pimpl->lineEditFrameWidth() * 2,
|
|
(height() - pimpl->searchButton->height())/2);
|
|
}
|