File indexing completed on 2024-04-21 14:55:58

 /* This file is part of the KDE libraries
     Copyright (C) 1997 Mark Donohoe (donohoe@kde.org)
               (C) 1997,1998, 2000 Sven Radej (radej@kde.org)
               (C) 2007 Aron Boström (aron.bostrom@gmail.com)
 
     This library 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 of the License, or (at your option) any later version.
 
     This library 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
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */
 
 #include "kstatusbar.h"
 
 #include <QHash>
 #include <QEvent>
 #include <QLabel>
 
 #include <kdebug.h>
 
 #include "ksqueezedtextlabel.h"
 
 class KStatusBarPrivate
 {
 public:
     int id(QObject *object) const
     {
         QHash<int, QLabel *>::const_iterator it = qFind(items, object);
         if (it != items.constEnd()) {
             return it.key();
         }
         // Not found. This happens when a subclass uses an eventFilter too,
         // on objects not registered here.
         return -1;
     }
 
     QHash<int, QLabel *> items;
 };
 
 bool KStatusBar::eventFilter(QObject *object, QEvent *event)
 {
     if (event->type() == QEvent::MouseButtonPress) {
         const int id = d->id(object);
         if (id > -1) {
             emit pressed(d->id(object));
             return true;
         }
     } else if (event->type() == QEvent::MouseButtonRelease) {
         const int id = d->id(object);
         if (id > -1) {
             emit released(d->id(object));
             return true;
         }
     }
     return QStatusBar::eventFilter(object, event);
 }
 
 KStatusBar::KStatusBar(QWidget *parent)
     : QStatusBar(parent),
       d(new KStatusBarPrivate)
 {
 }
 
 KStatusBar::~KStatusBar()
 {
     delete d;
 }
 
 void KStatusBar::insertItem(const QString &text, int id, int stretch)
 {
     if (d->items[id]) {
         kDebug() << "KStatusBar::insertItem: item id " << id << " already exists.";
     }
 
     KSqueezedTextLabel *l = new KSqueezedTextLabel(text, this);
     l->installEventFilter(this);
     l->setFixedHeight(fontMetrics().height() + 2);
     l->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
     d->items.insert(id, l);
     addPermanentWidget(l, stretch);
     l->show();
 }
 
 void KStatusBar::insertFixedItem(const QString &text, int id)
 {
     insertItem(text, id, 0);
     setItemFixed(id);
 }
 
 void KStatusBar::insertPermanentItem(const QString &text, int id, int stretch)
 {
     if (d->items[id]) {
         kDebug() << "KStatusBar::insertPermanentItem: item id " << id << " already exists.";
     }
 
     QLabel *l = new QLabel(text, this);
     l->installEventFilter(this);
     l->setFixedHeight(fontMetrics().height() + 2);
     l->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
     d->items.insert(id, l);
     addPermanentWidget(l, stretch);
     l->show();
 }
 
 void KStatusBar::insertPermanentFixedItem(const QString &text, int id)
 {
     insertPermanentItem(text, id, 0);
     setItemFixed(id);
 }
 
 void KStatusBar::removeItem(int id)
 {
     if (d->items.contains(id)) {
         QLabel *label = d->items[id];
         removeWidget(label);
         d->items.remove(id);
         delete label;
     } else {
         kDebug() << "KStatusBar::removeItem: bad item id: " << id;
     }
 }
 
 bool KStatusBar::hasItem(int id) const
 {
     return d->items.contains(id);
 }
 
 QString KStatusBar::itemText(int id) const
 {
     if (!hasItem(id)) {
         return QString();
     }
 
     return d->items[id]->text();
 }
 
 void KStatusBar::changeItem(const QString &text, int id)
 {
     QLabel *label = d->items[id];
     KSqueezedTextLabel *squeezed = qobject_cast<KSqueezedTextLabel *>(label);
 
     if (squeezed) {
         squeezed->setText(text);
     } else if (label) {
         label->setText(text);
         if (label->minimumWidth() != label->maximumWidth()) {
             reformat();
         }
     } else {
         kDebug() << "KStatusBar::changeItem: bad item id: " << id;
     }
 }
 
 void KStatusBar::setItemAlignment(int id, Qt::Alignment alignment)
 {
     QLabel *label = qobject_cast<QLabel *>(d->items[id]);
     if (label) {
         label->setAlignment(alignment);
     } else {
         kDebug() << "KStatusBar::setItemAlignment: bad item id: " << id;
     }
 }
 
 void KStatusBar::setItemFixed(int id, int w)
 {
     QLabel *label = qobject_cast<QLabel *>(d->items[id]);
     if (label) {
         if (w == -1) {
             w = fontMetrics().boundingRect(label->text()).width() + 3;
         }
 
         label->setFixedWidth(w);
     } else {
         kDebug() << "KStatusBar::setItemFixed: bad item id: " << id;
     }
 }
 
 #include "moc_kstatusbar.cpp"