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285 lines
8.3 KiB
285 lines
8.3 KiB
/* This file is part of the KDE libraries
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Copyright (C) 2004 Christoph Cullmann <cullmann@kde.org>
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Copyright (C) 2002,2003 Joseph Wenninger <jowenn@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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Based on:
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//----------------------------------------------------------------------------
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// Project : KDE MDI extension
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//
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// begin : 07/1999 by Szymon Stefanek as part of kvirc
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// (an IRC application)
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// changes : 09/1999 by Falk Brettschneider to create an
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// - 06/2000 stand-alone Qt extension set of
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// classes and a Qt-based library
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// : 02/2000 by Massimo Morin (mmorin@schedsys.com)
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// 2000-2003 maintained by the KDevelop project
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// patches : -/2000 by Lars Beikirch (Lars.Beikirch@gmx.net)
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// : 01/2003 by Jens Zurheide (jens.zurheide@gmx.de)
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//
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// copyright : (C) 1999-2003 by Falk Brettschneider
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// and
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// Szymon Stefanek (stefanek@tin.it)
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// email : falkbr@tdevelop.org (Falk Brettschneider)
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//----------------------------------------------------------------------------
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*/
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#include <ktabbar.h>
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#include <tdepopupmenu.h>
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#include <kdebug.h>
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#include <tqobjectlist.h>
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#include "tabwidget.h"
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#include "tabwidget.moc"
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namespace KMDIPrivate
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{
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class TabWidgetPrivate
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{
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};
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}
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namespace KMDI
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{
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TabWidget::TabWidget(TQWidget* parent, const char* name)
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: KTabWidget(parent,name)
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, m_visibility (KMDI::ShowWhenMoreThanOneTab)
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, d (new KMDIPrivate::TabWidgetPrivate())
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{
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installEventFilter (this);
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tabBar()->hide();
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setHoverCloseButton(true);
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connect(this, TQT_SIGNAL(closeRequest(TQWidget*)), this, TQT_SLOT(closeTab(TQWidget*)));
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}
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TabWidget::~TabWidget()
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{
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delete d;
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d = 0;
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}
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bool TabWidget::eventFilter(TQObject *obj, TQEvent *e )
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{
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if(e->type() == TQEvent::FocusIn)
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{
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emit focusInEvent ();
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}
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else if (e->type() == TQEvent::ChildRemoved)
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{
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// if we lost a child we uninstall ourself as event filter for the lost
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// child and its children
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TQObject* pLostChild = TQT_TQOBJECT(((TQChildEvent*)e)->child());
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if ((pLostChild != 0L) && (pLostChild->isWidgetType())) {
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TQObjectList *list = pLostChild->queryList( TQWIDGET_OBJECT_NAME_STRING );
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list->insert(0, pLostChild); // add the lost child to the list too, just to save code
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TQObjectListIt it( *list ); // iterate over all lost child widgets
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TQObject * o;
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while ( (o=it.current()) != 0 ) { // for each found object...
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TQWidget* widg = (TQWidget*)o;
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++it;
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widg->removeEventFilter(this);
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}
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delete list; // delete the list, not the objects
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}
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}
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else if (e->type() == TQEvent::ChildInserted)
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{
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// if we got a new child and we are attached to the MDI system we
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// install ourself as event filter for the new child and its children
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// (as we did when we were added to the MDI system).
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TQObject* pNewChild = TQT_TQOBJECT(((TQChildEvent*)e)->child());
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if ((pNewChild != 0L) && (pNewChild->isWidgetType()))
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{
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TQWidget* pNewWidget = (TQWidget*)pNewChild;
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if (pNewWidget->testWFlags((WFlags)(WType_Dialog | WShowModal)))
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return false;
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TQObjectList *list = pNewWidget->queryList( TQWIDGET_OBJECT_NAME_STRING );
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list->insert(0, pNewChild); // add the new child to the list too, just to save code
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TQObjectListIt it( *list ); // iterate over all new child widgets
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TQObject * o;
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while ( (o=it.current()) != 0 ) { // for each found object...
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TQWidget* widg = (TQWidget*)o;
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++it;
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widg->installEventFilter(this);
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connect(widg, TQT_SIGNAL(destroyed()), this, TQT_SLOT(childDestroyed()));
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}
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delete list; // delete the list, not the objects
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}
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}
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return KTabWidget::eventFilter (obj, e);
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}
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void TabWidget::childDestroyed()
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{
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// if we lost a child we uninstall ourself as event filter for the lost
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// child and its children
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const TQObject* pLostChild = TQT_TQOBJECT_CONST(sender());
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if ((pLostChild != 0L) && (pLostChild->isWidgetType()))
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{
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TQObjectList *list = ((TQObject*)(pLostChild))->queryList(TQWIDGET_OBJECT_NAME_STRING);
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list->insert(0, pLostChild); // add the lost child to the list too, just to save code
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TQObjectListIt it( *list ); // iterate over all lost child widgets
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TQObject * obj;
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while ( (obj=it.current()) != 0 ) { // for each found object...
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TQWidget* widg = (TQWidget*)obj;
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++it;
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widg->removeEventFilter(this);
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}
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delete list; // delete the list, not the objects
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}
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}
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void TabWidget::closeTab(TQWidget* w)
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{
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w->close();
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}
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void TabWidget::addTab ( TQWidget * child, const TQString & label )
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{
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KTabWidget::addTab(child,label);
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showPage(child);
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maybeShow();
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}
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void TabWidget::addTab ( TQWidget * child, const TQIconSet & iconset, const TQString & label )
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{
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KTabWidget::addTab(child,iconset,label);
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showPage(child);
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maybeShow();
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}
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void TabWidget::addTab ( TQWidget * child, TQTab * tab )
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{
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KTabWidget::addTab(child,tab);
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showPage(child);
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maybeShow();
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}
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void TabWidget::insertTab ( TQWidget * child, const TQString & label, int index)
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{
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KTabWidget::insertTab(child,label,index);
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showPage(child);
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maybeShow();
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tabBar()->repaint();
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}
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void TabWidget::insertTab ( TQWidget * child, const TQIconSet & iconset, const TQString & label, int index )
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{
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KTabWidget::insertTab(child,iconset,label,index);
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showPage(child);
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maybeShow();
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tabBar()->repaint();
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}
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void TabWidget::insertTab ( TQWidget * child, TQTab * tab, int index)
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{
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KTabWidget::insertTab(child,tab,index);
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showPage(child);
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maybeShow();
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tabBar()->repaint();
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}
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void TabWidget::removePage ( TQWidget * w )
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{
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KTabWidget::removePage(w);
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maybeShow();
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}
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void TabWidget::updateIconInView( TQWidget *w, TQPixmap icon )
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{
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changeTab(w,icon,tabLabel(w));
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}
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void TabWidget::updateCaptionInView( TQWidget *w, const TQString &caption )
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{
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changeTab(w, caption);
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}
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void TabWidget::maybeShow()
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{
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switch (m_visibility)
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{
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case KMDI::AlwaysShowTabs:
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tabBar()->show();
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// show/hide corner widgets
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if (count() == 0)
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setCornerWidgetVisibility(false);
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else
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setCornerWidgetVisibility(true);
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break;
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case KMDI::ShowWhenMoreThanOneTab:
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if (count()<2) tabBar()->hide();
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else tabBar()->show();
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// show/hide corner widgets
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if (count() < 2)
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setCornerWidgetVisibility(false);
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else
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setCornerWidgetVisibility(true);
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break;
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case KMDI::NeverShowTabs:
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tabBar()->hide();
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break;
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}
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}
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void TabWidget::setCornerWidgetVisibility(bool visible) {
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// there are two corner widgets: on TopLeft and on TopTight!
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if (cornerWidget(TQt::TopLeft) ) {
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if (visible)
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cornerWidget(TQt::TopLeft)->show();
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else
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cornerWidget(TQt::TopLeft)->hide();
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}
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if (cornerWidget(TQt::TopRight) ) {
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if (visible)
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cornerWidget(TQt::TopRight)->show();
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else
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cornerWidget(TQt::TopRight)->hide();
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}
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}
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void TabWidget::setTabWidgetVisibility( KMDI::TabWidgetVisibility visibility )
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{
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m_visibility = visibility;
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maybeShow();
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}
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KMDI::TabWidgetVisibility TabWidget::tabWidgetVisibility( ) const
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{
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return m_visibility;
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}
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}
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// kate: space-indent on; indent-width 2; replace-tabs on;
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