plasma-framework/widgets/lineedit.cpp
2012-07-16 21:35:17 +02:00

248 lines
6.1 KiB
C++

/*
* Copyright 2008 Aaron Seigo <aseigo@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "lineedit.h"
#include <QGraphicsSceneResizeEvent>
#include <QIcon>
#include <QPainter>
#include <QGraphicsView>
#include <klineedit.h>
#include "applet.h"
#include "framesvg.h"
#include "graphicsview/private/style_p.h"
#include "graphicsview/private/focusindicator_p.h"
#include "private/themedwidgetinterface_p.h"
#include "theme.h"
namespace Plasma
{
class LineEditPrivate : public ThemedWidgetInterface<LineEdit>
{
public:
LineEditPrivate(LineEdit *lineEdit)
: ThemedWidgetInterface<LineEdit>(lineEdit)
{
buttonColorForText = true;
}
~LineEditPrivate()
{
}
LineEdit *q;
Plasma::Style::Ptr style;
Plasma::FrameSvg *background;
};
LineEdit::LineEdit(QGraphicsWidget *parent)
: QGraphicsProxyWidget(parent),
d(new LineEditPrivate(this))
{
d->style = Plasma::Style::sharedStyle();
d->background = new Plasma::FrameSvg(this);
d->background->setImagePath("widgets/lineedit");
d->background->setCacheAllRenderedFrames(true);
#if 0 // causes bug 290111
FocusIndicator *indicator = new FocusIndicator(this, d->background);
if (d->background->hasElement("hint-focus-over-base")) {
indicator->setFlag(QGraphicsItem::ItemStacksBehindParent, false);
}
#endif
setNativeWidget(new KLineEdit);
}
LineEdit::~LineEdit()
{
delete d;
Plasma::Style::doneWithSharedStyle();
}
void LineEdit::setText(const QString &text)
{
static_cast<KLineEdit*>(widget())->setText(text);
}
QString LineEdit::text() const
{
return static_cast<KLineEdit*>(widget())->text();
}
void LineEdit::setClearButtonShown(bool show)
{
nativeWidget()->setClearButtonShown(show);
}
bool LineEdit::isClearButtonShown() const
{
return nativeWidget()->isClearButtonShown();
}
#ifndef KDE_NO_DEPRECATED
void LineEdit::setClickMessage(const QString &message)
{
setPlaceholderText(message);
}
#endif
void LineEdit::setPlaceholderText(const QString &message)
{
nativeWidget()->setPlaceholderText(message);
}
#ifndef KDE_NO_DEPRECATED
QString LineEdit::clickMessage() const
{
return placeholderText();
}
#endif
QString LineEdit::placeholderText() const
{
return nativeWidget()->placeholderText();
}
void LineEdit::setStyleSheet(const QString &stylesheet)
{
widget()->setStyleSheet(stylesheet);
}
QString LineEdit::styleSheet()
{
return widget()->styleSheet();
}
void LineEdit::setNativeWidget(KLineEdit *nativeWidget)
{
if (widget()) {
widget()->deleteLater();
}
connect(nativeWidget, SIGNAL(editingFinished()), this, SIGNAL(editingFinished()));
connect(nativeWidget, SIGNAL(returnPressed()), this, SIGNAL(returnPressed()));
connect(nativeWidget, SIGNAL(textEdited(QString)), this, SIGNAL(textEdited(QString)));
connect(nativeWidget, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged(QString)));
nativeWidget->setWindowFlags(nativeWidget->windowFlags()|Qt::BypassGraphicsProxyWidget);
d->setWidget(nativeWidget);
nativeWidget->setWindowIcon(QIcon());
nativeWidget->setAttribute(Qt::WA_NoSystemBackground);
nativeWidget->setStyle(d->style.data());
d->initTheming();
}
KLineEdit *LineEdit::nativeWidget() const
{
return static_cast<KLineEdit*>(widget());
}
void LineEdit::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event)
update();
}
void LineEdit::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event)
update();
}
void LineEdit::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option)
Q_UNUSED(widget)
nativeWidget()->render(painter, QPoint(0, 0), QRegion(), QWidget::DrawChildren|QWidget::IgnoreMask);
}
void LineEdit::changeEvent(QEvent *event)
{
d->changeEvent(event);
QGraphicsProxyWidget::changeEvent(event);
}
void LineEdit::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
QGraphicsWidget *widget = parentWidget();
Plasma::Applet *applet = qobject_cast<Plasma::Applet *>(widget);
while (!applet && widget) {
widget = widget->parentWidget();
applet = qobject_cast<Plasma::Applet *>(widget);
}
if (applet) {
applet->setStatus(Plasma::AcceptingInputStatus);
}
QGraphicsProxyWidget::mousePressEvent(event);
}
void LineEdit::focusInEvent(QFocusEvent *event)
{
QGraphicsProxyWidget::focusInEvent(event);
if (!nativeWidget()->hasFocus()) {
// as of Qt 4.7, apparently we have a bug here in QGraphicsProxyWidget
nativeWidget()->setFocus(event->reason());
}
emit focusChanged(true);
}
void LineEdit::focusOutEvent(QFocusEvent *event)
{
QGraphicsWidget *widget = parentWidget();
Plasma::Applet *applet = qobject_cast<Plasma::Applet *>(widget);
while (!applet && widget) {
widget = widget->parentWidget();
applet = qobject_cast<Plasma::Applet *>(widget);
}
if (applet) {
applet->setStatus(Plasma::UnknownStatus);
}
QEvent closeEvent(QEvent::CloseSoftwareInputPanel);
if (qApp) {
if (QGraphicsView *view = qobject_cast<QGraphicsView*>(qApp->focusWidget())) {
if (view->scene() && view->scene() == scene()) {
QApplication::sendEvent(view, &closeEvent);
}
}
}
QGraphicsProxyWidget::focusOutEvent(event);
emit focusChanged(false);
}
} // namespace Plasma
#include "moc_lineedit.cpp"