1 files changed, 331 insertions, 0 deletions
diff --git a/akregator/src/tabwidget.cpp b/akregator/src/tabwidget.cpp
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+++ b/akregator/src/tabwidget.cpp
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+/*
+    This file is part of Akregator.
+
+    Copyright (C) 2004 Sashmit Bhaduri <smt@vfemail.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, 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 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.
+
+    As a special exception, permission is given to link this program
+    with any edition of Qt, and distribute the resulting executable,
+    without including the source code for Qt in the source distribution.
+*/
+
+#include "tabwidget.h"
+
+#include <qstyle.h>
+#include <qapplication.h>
+#include <qiconset.h>
+#include <qclipboard.h>
+#include <qmap.h>
+#include <qptrdict.h>
+#include <qstring.h>
+#include <qtoolbutton.h>
+#include <qtooltip.h>
+
+#include <kapplication.h>
+#include <kdebug.h>
+#include <ktabwidget.h>
+#include <ktabbar.h>
+#include <kpopupmenu.h>
+#include <krun.h>
+#include <klocale.h>
+#include <khtmlview.h>
+#include <khtml_part.h>
+#include <kiconloader.h>
+#include <kurl.h>
+#include <kurldrag.h>
+#include <kmimetype.h>
+
+#include "actionmanager.h"
+#include "frame.h"
+#include "akregatorconfig.h"
+
+namespace Akregator {
+
+class TabWidget::TabWidgetPrivate
+{
+    public:
+    QPtrDict<Frame> frames;
+    uint CurrentMaxLength;
+    QWidget* currentItem;
+    QToolButton* tabsClose;
+};
+
+TabWidget::TabWidget(QWidget * parent, const char *name)
+        :KTabWidget(parent, name), d(new TabWidgetPrivate)
+{
+    d->CurrentMaxLength = 30;
+    d->currentItem = 0;
+    setMinimumSize(250,150);
+    setTabReorderingEnabled(false);
+    connect( this, SIGNAL( currentChanged(QWidget *) ), this,
+            SLOT( slotTabChanged(QWidget *) ) );
+    connect(this, SIGNAL(closeRequest(QWidget*)), this, SLOT(slotCloseRequest(QWidget*)));
+    setHoverCloseButton(Settings::closeButtonOnTabs());
+
+    d->tabsClose = new QToolButton(this);
+    d->tabsClose->setAccel(QKeySequence("Ctrl+W"));
+    connect( d->tabsClose, SIGNAL( clicked() ), this,
+            SLOT( slotRemoveCurrentFrame() ) );
+
+    d->tabsClose->setIconSet( SmallIconSet( "tab_remove" ) );
+    d->tabsClose->adjustSize();
+    QToolTip::add(d->tabsClose, i18n("Close the current tab"));
+    setCornerWidget( d->tabsClose, TopRight );
+}
+
+TabWidget::~TabWidget()
+{
+    delete d;
+    d = 0;
+}
+
+void TabWidget::slotSettingsChanged()
+{
+    if (hoverCloseButton() != Settings::closeButtonOnTabs())
+        setHoverCloseButton(Settings::closeButtonOnTabs());
+}
+
+void TabWidget::slotNextTab()
+{
+    setCurrentPage((currentPageIndex()+1) % count());
+}
+
+void TabWidget::slotPreviousTab()
+{
+    if (currentPageIndex() == 0)
+        setCurrentPage(count()-1);
+    else
+        setCurrentPage(currentPageIndex()-1);
+}
+
+void TabWidget::addFrame(Frame *f)
+{
+    if (!f || !f->widget()) 
+        return;
+    d->frames.insert(f->widget(), f);
+    addTab(f->widget(), f->title());
+    connect(f, SIGNAL(titleChanged(Frame*, const QString& )), this, SLOT(slotSetTitle(Frame*, const QString& )));
+    slotSetTitle(f, f->title());
+}
+
+Frame *TabWidget::currentFrame()
+{
+    QWidget* w = currentPage();
+    
+    return w ? d->frames[w] : 0;
+}
+
+QPtrList<Frame> TabWidget::frames() const
+{
+    QPtrList<Frame> result;
+    QPtrDictIterator<Frame> it(d->frames);
+    while (it.current())
+    {
+        result.append(it.current());
+        ++it;
+    }
+
+    return result;
+}
+
+void TabWidget::slotTabChanged(QWidget *w)
+{
+    // FIXME: Don't hardcode the tab position of main frame
+    d->tabsClose->setDisabled(currentPageIndex() == 0);
+    emit currentFrameChanged(d->frames[w]);
+}
+
+void TabWidget::slotRemoveCurrentFrame()
+{
+    removeFrame(currentFrame());
+}
+
+void TabWidget::removeFrame(Frame *f)
+{
+    f->setCompleted();
+    d->frames.remove(f->widget());
+    removePage(f->widget());
+    delete f;
+    setTitle( currentFrame()->title(), currentPage() );
+}
+
+// copied wholesale from KonqFrameTabs
+uint TabWidget::tabBarWidthForMaxChars( uint maxLength )
+{
+    int hframe, overlap;
+    hframe = tabBar()->style().pixelMetric( QStyle::PM_TabBarTabHSpace, this );
+    overlap = tabBar()->style().pixelMetric( QStyle::PM_TabBarTabOverlap, this );
+
+    QFontMetrics fm = tabBar()->fontMetrics();
+    int x = 0;
+    for( int i=0; i < count(); ++i ) {
+        Frame *f=d->frames[page(i)];
+        QString newTitle=f->title();
+        if ( newTitle.length() > maxLength )
+            newTitle = newTitle.left( maxLength-3 ) + "...";
+
+        QTab* tab = tabBar()->tabAt( i );
+        int lw = fm.width( newTitle );
+        int iw = 0;
+        if ( tab->iconSet() )
+            iw = tab->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).width() + 4;
+
+        x += ( tabBar()->style().sizeFromContents( QStyle::CT_TabBarTab, this,                             QSize( QMAX( lw + hframe + iw, QApplication::globalStrut().width() ), 0 ), QStyleOption( tab ) ) ).width();
+    }
+    return x;
+}
+
+void TabWidget::slotSetTitle(Frame* frame, const QString& title)
+{
+    setTitle(title, frame->widget());
+}
+
+void TabWidget::setTitle( const QString &title , QWidget* sender)
+{
+    removeTabToolTip( sender );
+   
+    uint lcw=0, rcw=0;
+    int tabBarHeight = tabBar()->sizeHint().height();
+    if ( cornerWidget( TopLeft ) && cornerWidget( TopLeft )->isVisible() )
+        lcw = QMAX( cornerWidget( TopLeft )->width(), tabBarHeight );
+    if ( cornerWidget( TopRight ) && cornerWidget( TopRight )->isVisible() )
+        rcw = QMAX( cornerWidget( TopRight )->width(), tabBarHeight );
+    uint maxTabBarWidth = width() - lcw - rcw;
+
+    uint newMaxLength=30;
+    for ( ; newMaxLength > 3; newMaxLength-- ) 
+{
+        if ( tabBarWidthForMaxChars( newMaxLength ) < maxTabBarWidth )
+            break;
+    }
+    QString newTitle = title;
+    if ( newTitle.length() > newMaxLength )
+    {
+        setTabToolTip( sender, newTitle );
+        newTitle = newTitle.left( newMaxLength-3 ) + "...";
+    }
+
+    newTitle.replace( '&', "&&" );
+    if ( tabLabel( sender ) != newTitle )
+        changeTab( sender, newTitle );
+
+    if( newMaxLength != d->CurrentMaxLength )
+    {
+        for( int i = 0; i < count(); ++i)
+        {
+            Frame *f=d->frames[page(i)];
+            newTitle=f->title();
+            removeTabToolTip( page( i ) );
+            if ( newTitle.length() > newMaxLength )
+            {
+                setTabToolTip( page( i ), newTitle );
+                newTitle = newTitle.left( newMaxLength-3 ) + "...";
+            }
+
+            newTitle.replace( '&', "&&" );
+            if ( newTitle != tabLabel( page( i ) ) )
+                    changeTab( page( i ), newTitle );
+        }
+        d->CurrentMaxLength = newMaxLength;
+    }
+}
+
+void TabWidget::contextMenu(int i, const QPoint &p)
+{
+    QWidget* w = ActionManager::getInstance()->container("tab_popup");
+    d->currentItem = page(i);
+    //kdDebug() << indexOf(d->currentItem) << endl;
+    if (w && indexOf(d->currentItem) != 0)
+        static_cast<QPopupMenu *>(w)->exec(p);
+    d->currentItem = 0;
+}
+
+void TabWidget::slotDetachTab()
+{
+    if (!d->currentItem || indexOf(d->currentItem) == -1) 
+        d->currentItem = currentPage();
+
+    if (indexOf(d->currentItem) == 0) 
+        return;
+
+    KURL url;
+    KHTMLView* view = dynamic_cast<KHTMLView*>(d->currentItem);
+    
+    if (!view)
+        return;
+
+    url = view->part()->url();
+
+    kapp->invokeBrowser(url.url(), "0");
+    slotCloseTab();
+}
+
+void TabWidget::slotCopyLinkAddress()
+{
+    if(!d->currentItem || indexOf(d->currentItem) == -1) 
+        d->currentItem = currentPage();
+    if(indexOf(d->currentItem) == 0) 
+        return;
+
+    KURL url;
+    KHTMLView* view = dynamic_cast<KHTMLView*>(d->currentItem);
+    
+    if (!view)
+        return;
+
+    url = view->part()->url();
+    
+    kapp->clipboard()->setText(url.prettyURL(), QClipboard::Selection);
+    kapp->clipboard()->setText(url.prettyURL(), QClipboard::Clipboard);
+}
+
+void TabWidget::slotCloseTab()
+{
+    if (!d->currentItem || indexOf(d->currentItem) == -1) 
+        d->currentItem = currentPage();
+    if (indexOf(d->currentItem) == 0) 
+        return;
+    if (d->frames.find(d->currentItem) != NULL)
+        removeFrame(d->frames.find(d->currentItem));
+    delete d->currentItem;
+    d->currentItem = 0;
+}
+
+void TabWidget::initiateDrag(int tab)
+{
+    if (tab == 0) // don't initiate drag for the main tab
+        return;
+        
+    Frame* frame = d->frames[page(tab)];
+  
+    if (frame != 0)
+    {
+        KURL::List lst;
+        lst.append( frame->part()->url() );
+        KURLDrag* drag = new KURLDrag( lst, this );
+        drag->setPixmap( KMimeType::pixmapForURL( lst.first(), 0, KIcon::Small ) );
+        drag->dragCopy();
+    }
+}
+
+void TabWidget::slotCloseRequest(QWidget* widget)
+{
+    if (d->frames.find(widget) != NULL)
+        removeFrame(d->frames.find(widget));
+}
+} // namespace Akregator
+
+#include "tabwidget.moc"