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263 lines
8.0 KiB
263 lines
8.0 KiB
/***************************************************************************
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paneltabbar.cpp - description
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-------------------
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begin : Sun Jun 2 2002
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copyright : (C) 2002 by Shie Erlich & Rafi Yanai
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email :
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "paneltabbar.h"
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#include "Panel/listpanel.h"
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#include "krusaderview.h"
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#include "krslots.h"
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#include "defaults.h"
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#include <tdeaction.h>
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#include <tdelocale.h>
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#include <tdeshortcut.h>
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#include <tqevent.h>
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#include <tqwidgetstack.h>
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#include <tqfontmetrics.h>
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#include <tqtooltip.h>
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#include <kdebug.h>
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#define DISPLAY(X) (X.isLocalFile() ? X.path() : X.prettyURL())
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PanelTabBar::PanelTabBar(TQWidget *parent): TQTabBar(parent), _maxTabLength(0) {
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_panelActionMenu = new TDEActionMenu( i18n("Panel"), this );
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setAcceptDrops(true);
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insertAction(krNewTab);
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insertAction(krDupTab);
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insertAction(krPreviousTab);
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insertAction(krNextTab);
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insertAction(krCloseTab);
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krCloseTab->setEnabled(false); //can't close a single tab
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setShape(TQTabBar::TriangularBelow);
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}
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void PanelTabBar::mousePressEvent( TQMouseEvent* e ) {
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TQTab* clickedTab = selectTab( e->pos() );
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if( !clickedTab ) { // clicked on nothing ...
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TQTabBar::mousePressEvent(e);
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return;
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}
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// else implied
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setCurrentTab( clickedTab );
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emit changePanel(dynamic_cast<PanelTab*>(clickedTab)->panel);
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if ( e->button() == TQt::RightButton ) {
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// show the popup menu
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_panelActionMenu->popup( e->globalPos() );
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} else
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if ( e->button() == TQt::LeftButton ) { // we need to change tabs
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// first, find the correct panel to load
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int id = currentTab();
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ListPanel *listpanel = dynamic_cast<PanelTab*>(tab(id))->panel;
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emit changePanel(listpanel);
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} else
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if (e->button() == TQt::MidButton) { // close the current tab
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emit closeCurrentTab();
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}
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TQTabBar::mousePressEvent(e);
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}
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void PanelTabBar::insertAction( TDEAction* action ) {
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_panelActionMenu->insert( action );
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}
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int PanelTabBar::addPanel(ListPanel *panel, bool setCurrent ) {
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int newId = addTab(new PanelTab(squeeze(DISPLAY(panel->virtualPath())), panel));
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// make sure all tabs lengths are correct
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for (int i=0; i<count(); i++)
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tabAt(i)->setText(squeeze(DISPLAY(dynamic_cast<PanelTab*>(tabAt(i))->panel->virtualPath()), i));
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layoutTabs();
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if( setCurrent )
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setCurrentTab(newId);
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// enable close-tab action
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if (count()>1) {
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krCloseTab->setEnabled(true);
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}
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connect(dynamic_cast<PanelTab*>(tab(newId))->panel, TQ_SIGNAL(pathChanged(ListPanel*)),
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this, TQ_SLOT(updateTab(ListPanel*)));
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return newId;
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}
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ListPanel* PanelTabBar::removeCurrentPanel(ListPanel* &panelToDelete) {
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int id = currentTab();
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ListPanel *oldp = dynamic_cast<PanelTab*>(tab(id))->panel; // old panel to kill later
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disconnect(dynamic_cast<PanelTab*>(tab(id))->panel);
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removeTab(tab(id));
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for (int i=0; i<count(); i++)
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tabAt(i)->setText(squeeze(DISPLAY(dynamic_cast<PanelTab*>(tabAt(i))->panel->virtualPath()), i));
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layoutTabs();
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// setup current one
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id = currentTab();
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ListPanel *p = dynamic_cast<PanelTab*>(tab(id))->panel;
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// disable close action?
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if (count()==1) {
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krCloseTab->setEnabled(false);
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}
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panelToDelete = oldp;
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return p;
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}
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void PanelTabBar::updateTab(ListPanel *panel) {
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// find which is the correct tab
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for (int i=0; i<count(); i++) {
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if (dynamic_cast<PanelTab*>(tabAt(i))->panel == panel) {
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tabAt(i)->setText(squeeze(DISPLAY(panel->virtualPath()),i));
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break;
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}
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}
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}
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void PanelTabBar::duplicateTab() {
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int id = currentTab();
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emit newTab(dynamic_cast<PanelTab*>(tab(id))->panel->virtualPath());
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}
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void PanelTabBar::closeTab() {
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emit closeCurrentTab();
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}
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TQString PanelTabBar::squeeze(TQString text, int index) {
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TQString originalText = text;
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TQString lastGroup = krConfig->group();
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krConfig->setGroup( "Look&Feel" );
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bool longNames = krConfig->readBoolEntry( "Fullpath Tab Names", _FullPathTabNames );
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krConfig->setGroup( lastGroup );
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if( !longNames )
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{
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while( text.endsWith( "/" ) )
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text.truncate( text.length() -1 );
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if( text.isEmpty() || text.endsWith(":") )
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text += "/";
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else
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{
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TQString shortName;
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if( text.contains( ":/" ) )
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shortName = text.left( text.find( ":/" ) ) + ":";
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shortName += text.mid( text.findRev( "/" ) + 1 );
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text = shortName;
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}
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if( index >= 0 )
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setToolTip( index, originalText );
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index = -1;
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}
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TQFontMetrics fm(fontMetrics());
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// set the real max length
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_maxTabLength = (static_cast<TQWidget*>(parent())->width()-(6*fm.width("W")))/fm.width("W");
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// each tab gets a fair share of the max tab length
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int _effectiveTabLength = _maxTabLength / (count() == 0 ? 1 : count());
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int labelWidth = fm.width("W")*_effectiveTabLength;
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int textWidth = fm.width(text);
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if (textWidth > labelWidth) {
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// start with the dots only
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TQString squeezedText = "...";
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int squeezedWidth = fm.width(squeezedText);
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// estimate how many letters we can add to the dots on both sides
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int letters = text.length() * (labelWidth - squeezedWidth) / textWidth / 2;
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if (labelWidth < squeezedWidth) letters=1;
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squeezedText = text.left(letters) + "..." + text.right(letters);
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squeezedWidth = fm.width(squeezedText);
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if (squeezedWidth < labelWidth) {
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// we estimated too short
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// add letters while text < label
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do {
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letters++;
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squeezedText = text.left(letters) + "..." + text.right(letters);
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squeezedWidth = fm.width(squeezedText);
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} while (squeezedWidth < labelWidth);
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letters--;
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squeezedText = text.left(letters) + "..." + text.right(letters);
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} else if (squeezedWidth > labelWidth) {
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// we estimated too long
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// remove letters while text > label
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do {
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letters--;
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squeezedText = text.left(letters) + "..." + text.right(letters);
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squeezedWidth = fm.width(squeezedText);
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} while (letters && squeezedWidth > labelWidth);
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}
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if( index >= 0 )
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setToolTip( index, originalText );
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if (letters < 5) {
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// too few letters added -> we give up squeezing
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//return text;
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return squeezedText;
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} else {
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return squeezedText;
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}
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} else {
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if( index >= 0 )
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removeToolTip( index );
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return text;
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};
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}
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void PanelTabBar::resizeEvent ( TQResizeEvent *e ) {
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TQTabBar::resizeEvent( e );
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for (int i=0; i<count(); i++)
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tabAt(i)->setText(squeeze(DISPLAY(dynamic_cast<PanelTab*>(tabAt(i))->panel->virtualPath()), i));
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layoutTabs();
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}
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void PanelTabBar::dragEnterEvent(TQDragEnterEvent *e) {
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TQTab *t = selectTab(e->pos());
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if (!t) return;
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if (tab(currentTab()) != t) {
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setCurrentTab(t);
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emit changePanel(dynamic_cast<PanelTab*>(t)->panel);
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}
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}
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void PanelTabBar::dragMoveEvent(TQDragMoveEvent *e) {
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TQTab *t = selectTab(e->pos());
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if (!t) return;
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if (tab(currentTab()) != t) {
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setCurrentTab(t);
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emit changePanel(dynamic_cast<PanelTab*>(t)->panel);
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}
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}
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// -----------------------------> PanelTab <----------------------------
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PanelTab::PanelTab(const TQString & text): TQTab(text) {}
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PanelTab::PanelTab(const TQString & text, ListPanel *p): TQTab(text), panel(p) {}
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#include "paneltabbar.moc"
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