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Diffstat (limited to 'kate/app/kateviewspacecontainer.cpp')
| -rw-r--r-- | kate/app/kateviewspacecontainer.cpp | 758 |
1 files changed, 758 insertions, 0 deletions
diff --git a/kate/app/kateviewspacecontainer.cpp b/kate/app/kateviewspacecontainer.cpp new file mode 100644 index 000000000..08a3bf6f6 --- /dev/null +++ b/kate/app/kateviewspacecontainer.cpp @@ -0,0 +1,758 @@ +/* This file is part of the KDE project + Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org> + Copyright (C) 2001 Joseph Wenninger <jowenn@kde.org> + Copyright (C) 2001 Anders Lund <anders.lund@lund.tdcadsl.dk> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License version 2 as published by the Free Software Foundation. + + 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. +*/ + +//BEGIN Includes +#include "kateviewspacecontainer.h" +#include "kateviewspacecontainer.moc" + +#include "katetabwidget.h" +#include "katemainwindow.h" +#include "katedocmanager.h" +#include "kateviewmanager.h" +#include "kateviewspace.h" + +#include <dcopclient.h> +#include <kaction.h> +#include <kcmdlineargs.h> +#include <kdebug.h> +#include <kdiroperator.h> +#include <kdockwidget.h> +#include <kencodingfiledialog.h> +#include <kiconloader.h> +#include <kglobal.h> +#include <klocale.h> +#include <ktoolbar.h> +#include <kmessagebox.h> +#include <ksimpleconfig.h> +#include <kstdaction.h> +#include <kstandarddirs.h> +#include <kglobalsettings.h> +#include <kstringhandler.h> + +#include <ktexteditor/encodinginterface.h> + +#include <qlayout.h> +#include <qobjectlist.h> +#include <qstringlist.h> +#include <qvbox.h> +#include <qtimer.h> +#include <qfileinfo.h> + +//END Includes + +KateViewSpaceContainer::KateViewSpaceContainer (QWidget *parent, KateViewManager *viewManager) + : QVBox (parent) + , m_viewManager(viewManager) + , m_blockViewCreationAndActivation (false) + , m_activeViewRunning (false) + , m_pendingViewCreation(false) +{ + // no memleaks + m_viewList.setAutoDelete(true); + m_viewSpaceList.setAutoDelete(true); + + KateViewSpace* vs = new KateViewSpace( this, this ); + connect(this, SIGNAL(statusChanged(Kate::View *, int, int, int, bool, int, const QString&)), vs, SLOT(slotStatusChanged(Kate::View *, int, int, int, bool, int, const QString&))); + vs->setActive( true ); + m_viewSpaceList.append(vs); + connect( this, SIGNAL(viewChanged()), this, SLOT(slotViewChanged()) ); + connect(KateDocManager::self(), SIGNAL(initialDocumentReplaced()), this, SIGNAL(viewChanged())); + + connect(KateDocManager::self(),SIGNAL(documentCreated(Kate::Document *)),this,SLOT(documentCreated(Kate::Document *))); + connect(KateDocManager::self(),SIGNAL(documentDeleted(uint)),this,SLOT(documentDeleted(uint))); +} + +KateViewSpaceContainer::~KateViewSpaceContainer () +{ + m_viewList.setAutoDelete(false); + m_viewSpaceList.setAutoDelete(false); +} + +void KateViewSpaceContainer::documentCreated (Kate::Document *doc) +{ + if (m_blockViewCreationAndActivation) return; + + if (!activeView()) + activateView (doc->documentNumber()); +} + +void KateViewSpaceContainer::documentDeleted (uint) +{ + if (m_blockViewCreationAndActivation) return; + + // just for the case we close a document out of many and this was the active one + // if all docs are closed, this will be handled by the documentCreated + if (!activeView() && (KateDocManager::self()->documents() > 0)) + createView (KateDocManager::self()->document(KateDocManager::self()->documents()-1)); +} + +bool KateViewSpaceContainer::createView ( Kate::Document *doc ) +{ + if (m_blockViewCreationAndActivation) return false; + + // create doc + if (!doc) + doc = KateDocManager::self()->createDoc (); + + // create view + Kate::View *view = (Kate::View *) doc->createView (this, 0L); + + m_viewList.append (view); + + // disable settings dialog action + view->actionCollection()->remove (view->actionCollection()->action( "set_confdlg" )); + + // popup menu + view->installPopup ((QPopupMenu*)(mainWindow()->factory()->container("ktexteditor_popup", mainWindow())) ); + + connect(view->getDoc(),SIGNAL(nameChanged(Kate::Document *)),this,SLOT(statusMsg())); + connect(view,SIGNAL(cursorPositionChanged()),this,SLOT(statusMsg())); + connect(view,SIGNAL(newStatus()),this,SLOT(statusMsg())); + connect(view->getDoc(), SIGNAL(undoChanged()), this, SLOT(statusMsg())); + connect(view,SIGNAL(dropEventPass(QDropEvent *)), mainWindow(),SLOT(slotDropEvent(QDropEvent *))); + connect(view,SIGNAL(gotFocus(Kate::View *)),this,SLOT(activateSpace(Kate::View *))); + + activeViewSpace()->addView( view ); + activateView( view ); + connect( doc, SIGNAL(modifiedOnDisc(Kate::Document *, bool, unsigned char)), + activeViewSpace(), SLOT(modifiedOnDisc(Kate::Document *, bool, unsigned char)) ); + + return true; +} + +bool KateViewSpaceContainer::deleteView (Kate::View *view, bool delViewSpace) +{ + if (!view) return true; + + KateViewSpace *viewspace = (KateViewSpace *)view->parentWidget()->parentWidget(); + + viewspace->removeView (view); + + mainWindow()->guiFactory ()->removeClient (view); + + // remove view from list and memory !! + m_viewList.remove (view); + + if (delViewSpace) + if ( viewspace->viewCount() == 0 ) + removeViewSpace( viewspace ); + + return true; +} + +KateViewSpace* KateViewSpaceContainer::activeViewSpace () +{ + QPtrListIterator<KateViewSpace> it(m_viewSpaceList); + + for (; it.current(); ++it) + { + if ( it.current()->isActiveSpace() ) + return it.current(); + } + + if (m_viewSpaceList.count() > 0) + { + m_viewSpaceList.first()->setActive( true ); + return m_viewSpaceList.first(); + } + + return 0L; +} + +Kate::View* KateViewSpaceContainer::activeView () +{ + if (m_activeViewRunning) + return 0L; + + m_activeViewRunning = true; + + for (QPtrListIterator<Kate::View> it(m_viewList); it.current(); ++it) + { + if ( it.current()->isActive() ) + { + m_activeViewRunning = false; + return it.current(); + } + } + + // if we get to here, no view isActive() + // first, try to get one from activeViewSpace() + KateViewSpace* vs; + if ( (vs = activeViewSpace()) ) + { + if ( vs->currentView() ) + { + activateView (vs->currentView()); + + m_activeViewRunning = false; + return vs->currentView(); + } + } + + // last attempt: just pick first + if (m_viewList.count() > 0) + { + activateView (m_viewList.first()); + + m_activeViewRunning = false; + return m_viewList.first(); + } + + m_activeViewRunning = false; + + // no views exists! + return 0L; +} + +void KateViewSpaceContainer::setActiveSpace ( KateViewSpace* vs ) +{ + if (activeViewSpace()) + activeViewSpace()->setActive( false ); + + vs->setActive( true, viewSpaceCount() > 1 ); +} + +void KateViewSpaceContainer::setActiveView ( Kate::View* view ) +{ + if (activeView()) + activeView()->setActive( false ); + + view->setActive( true ); +} + +void KateViewSpaceContainer::activateSpace (Kate::View* v) +{ + if (!v) return; + + KateViewSpace* vs = (KateViewSpace*)v->parentWidget()->parentWidget(); + + if (!vs->isActiveSpace()) { + setActiveSpace (vs); + activateView(v); + } +} + +void KateViewSpaceContainer::reactivateActiveView() { + Kate::View *view=activeView(); + if (view) { + view->setActive(false); + activateView(view); + } else if (m_pendingViewCreation) { + m_pendingViewCreation=false; + disconnect(m_pendingDocument,SIGNAL(nameChanged(Kate::Document *)),this,SLOT(slotPendingDocumentNameChanged())); + createView(m_pendingDocument); + } +} + +void KateViewSpaceContainer::activateView ( Kate::View *view ) +{ + if (!view) return; + + if (!view->isActive()) + { + if ( !activeViewSpace()->showView (view) ) + { + // since it wasn't found, give'em a new one + createView ( view->getDoc() ); + return; + } + + setActiveView (view); + m_viewList.findRef (view); + + mainWindow()->toolBar ()->setUpdatesEnabled (false); + + if (m_viewManager->guiMergedView) + mainWindow()->guiFactory()->removeClient (m_viewManager->guiMergedView ); + + m_viewManager->guiMergedView = view; + + if (!m_blockViewCreationAndActivation) + mainWindow()->guiFactory ()->addClient( view ); + + mainWindow()->toolBar ()->setUpdatesEnabled (true); + + statusMsg(); + + emit viewChanged (); + } + + KateDocManager::self()->setActiveDocument(view->getDoc()); +} + +void KateViewSpaceContainer::activateView( uint documentNumber ) +{ + if ( activeViewSpace()->showView(documentNumber) ) { + activateView( activeViewSpace()->currentView() ); + } + else + { + QPtrListIterator<Kate::View> it(m_viewList); + for ( ;it.current(); ++it) + { + if ( it.current()->getDoc()->documentNumber() == documentNumber ) + { + createView( it.current()->getDoc() ); + return; + } + } + + Kate::Document *d = (Kate::Document *)KateDocManager::self()->documentWithID(documentNumber); + createView (d); + } +} + +uint KateViewSpaceContainer::viewCount () +{ + return m_viewList.count(); +} + +uint KateViewSpaceContainer::viewSpaceCount () +{ + return m_viewSpaceList.count(); +} + +void KateViewSpaceContainer::slotViewChanged() +{ + if ( activeView() && !activeView()->hasFocus()) + activeView()->setFocus(); +} + +void KateViewSpaceContainer::activateNextView() +{ + uint i = m_viewSpaceList.find (activeViewSpace())+1; + + if (i >= m_viewSpaceList.count()) + i=0; + + setActiveSpace (m_viewSpaceList.at(i)); + activateView(m_viewSpaceList.at(i)->currentView()); +} + +void KateViewSpaceContainer::activatePrevView() +{ + int i = m_viewSpaceList.find (activeViewSpace())-1; + + if (i < 0) + i=m_viewSpaceList.count()-1; + + setActiveSpace (m_viewSpaceList.at(i)); + activateView(m_viewSpaceList.at(i)->currentView()); +} + +void KateViewSpaceContainer::closeViews(uint documentNumber) +{ + QPtrList<Kate::View> closeList; + + for (uint z=0 ; z < m_viewList.count(); z++) + { + Kate::View* current = m_viewList.at(z); + if ( current->getDoc()->documentNumber() == documentNumber ) + { + closeList.append (current); + } + } + + while ( !closeList.isEmpty() ) + { + Kate::View *view = closeList.first(); + deleteView (view, true); + closeList.removeFirst(); + } + + if (m_blockViewCreationAndActivation) return; + QTimer::singleShot(0,this,SIGNAL(viewChanged())); + //emit m_viewManager->viewChanged (); +} + +void KateViewSpaceContainer::slotPendingDocumentNameChanged() { + QString c; + if (m_pendingDocument->url().isEmpty() || (!showFullPath)) + { + c = m_pendingDocument->docName(); + } + else + { + c = m_pendingDocument->url().prettyURL(); + } + setCaption(KStringHandler::lsqueeze(c,32)); +} + +void KateViewSpaceContainer::statusMsg () +{ + if (!activeView()) return; + + Kate::View* v = activeView(); + + bool readOnly = !v->getDoc()->isReadWrite(); + uint config = v->getDoc()->configFlags(); + + int ovr = 0; + if (readOnly) + ovr = 0; + else + { + if (config & Kate::Document::cfOvr) + { + ovr=1; + } + else + { + ovr=2; + } + } + + int mod = (int)v->getDoc()->isModified(); + bool block=v->getDoc()->blockSelectionMode(); + + QString c; + if (v->getDoc()->url().isEmpty() || (!showFullPath)) + { + c = v->getDoc()->docName(); + } + else + { + c = v->getDoc()->url().prettyURL(); + } + + m_viewManager->mainWindow()->tabWidget()->changeTab (this, KStringHandler::lsqueeze(c,32)); + emit statusChanged (v, v->cursorLine(), v->cursorColumn(), ovr,block, mod, KStringHandler::lsqueeze(c,64)); + emit statChanged (); +} + +void KateViewSpaceContainer::splitViewSpace( KateViewSpace* vs, + bool isHoriz, + bool atTop) +{ +// kdDebug(13001)<<"splitViewSpace()"<<endl; + + if (!activeView()) return; + if (!vs) vs = activeViewSpace(); + + bool isFirstTime = vs->parentWidget() == this; + + QValueList<int> psizes; + if ( ! isFirstTime ) + if ( QSplitter *ps = static_cast<QSplitter*>(vs->parentWidget()->qt_cast("QSplitter")) ) + psizes = ps->sizes(); + + Qt::Orientation o = isHoriz ? Qt::Vertical : Qt::Horizontal; + KateMDI::Splitter* s = new KateMDI::Splitter(o, vs->parentWidget()); + s->setOpaqueResize( KGlobalSettings::opaqueResize() ); + + if (! isFirstTime) { + // anders: make sure the split' viewspace is always + // correctly positioned. + // If viewSpace is the first child, the new splitter must be moveToFirst'd + if ( !((KateMDI::Splitter*)vs->parentWidget())->isLastChild( vs ) ) + ((KateMDI::Splitter*)s->parentWidget())->moveToFirst( s ); + } + vs->reparent( s, 0, QPoint(), true ); + KateViewSpace* vsNew = new KateViewSpace( this, s ); + + if (atTop) + s->moveToFirst( vsNew ); + + if (!isFirstTime) + if (QSplitter *ps = static_cast<QSplitter*>(s->parentWidget()->qt_cast("QSplitter")) ) + ps->setSizes( psizes ); + + s->show(); + + QValueList<int> sizes; + int space = 50;//isHoriz ? s->parentWidget()->height()/2 : s->parentWidget()->width()/2; + sizes << space << space; + s->setSizes( sizes ); + + connect(this, SIGNAL(statusChanged(Kate::View *, int, int, int, bool, int, const QString &)), vsNew, SLOT(slotStatusChanged(Kate::View *, int, int,int, bool, int, const QString &))); + m_viewSpaceList.append( vsNew ); + activeViewSpace()->setActive( false ); + vsNew->setActive( true, true ); + vsNew->show(); + + createView (activeView()->getDoc()); + + if (this == m_viewManager->activeContainer()) + m_viewManager->updateViewSpaceActions (); + +// kdDebug(13001)<<"splitViewSpace() - DONE!"<<endl; +} + +void KateViewSpaceContainer::removeViewSpace (KateViewSpace *viewspace) +{ + // abort if viewspace is 0 + if (!viewspace) return; + + // abort if this is the last viewspace + if (m_viewSpaceList.count() < 2) return; + + KateMDI::Splitter* p = (KateMDI::Splitter*)viewspace->parentWidget(); + + // find out if it is the first child for repositioning + // see below + bool pIsFirst = false; + + // save some size information + KateMDI::Splitter* pp=0L; + QValueList<int> ppsizes; + if (m_viewSpaceList.count() > 2 && p->parentWidget() != this) + { + pp = (KateMDI::Splitter*)p->parentWidget(); + ppsizes = pp->sizes(); + pIsFirst = !pp->isLastChild( p ); // simple logic, right- + } + + // Figure out where to put views that are still needed + KateViewSpace* next; + if (m_viewSpaceList.find(viewspace) == 0) + next = m_viewSpaceList.next(); + else + next = m_viewSpaceList.prev(); + + // Reparent views in viewspace that are last views, delete the rest. + int vsvc = viewspace->viewCount(); + while (vsvc > 0) + { + if (viewspace->currentView()) + { + Kate::View* v = viewspace->currentView(); + + if (v->isLastView()) + { + viewspace->removeView(v); + next->addView( v, false ); + } + else + { + deleteView( v, false ); + } + } + vsvc = viewspace->viewCount(); + } + + m_viewSpaceList.remove( viewspace ); + + // reparent the other sibling of the parent. + while (p->children ()) + { + QWidget* other = ((QWidget *)(( QPtrList<QObject>*)p->children())->first()); + + other->reparent( p->parentWidget(), 0, QPoint(), true ); + // We also need to find the right viewspace to become active + if (pIsFirst) + ((KateMDI::Splitter*)p->parentWidget())->moveToFirst( other ); + if ( other->isA("KateViewSpace") ) { + setActiveSpace( (KateViewSpace*)other ); + } + else { + QObjectList* l = other->queryList( "KateViewSpace" ); + if ( l->first() != 0 ) { // I REALLY hope so! + setActiveSpace( (KateViewSpace*)l->first() ); + } + delete l; + } + } + + delete p; + + if (!ppsizes.isEmpty()) + pp->setSizes( ppsizes ); + + // find the view that is now active. + Kate::View* v = activeViewSpace()->currentView(); + if ( v ) + activateView( v ); + + if (this == m_viewManager->activeContainer()) + m_viewManager->updateViewSpaceActions (); + + emit viewChanged(); +} + +void KateViewSpaceContainer::slotCloseCurrentViewSpace() +{ + removeViewSpace(activeViewSpace()); +} + +void KateViewSpaceContainer::setShowFullPath( bool enable ) +{ + showFullPath = enable; + statusMsg (); + //m_mainWindow->slotWindowActivated (); +} + +/** + * session config functions + */ + +void KateViewSpaceContainer::saveViewConfiguration(KConfig *config,const QString& group) +{ + bool weHaveSplittersAlive (viewSpaceCount() > 1); + + config->setGroup (group); //"View Configuration"); + config->writeEntry ("Splitters", weHaveSplittersAlive); + + // no splitters around + if (!weHaveSplittersAlive) + { + config->writeEntry("Active Viewspace", 0); + m_viewSpaceList.first()->saveConfig ( config, 0,group ); + + return; + } + + // I need the first splitter, the one which has this as parent. + KateMDI::Splitter* s; + QObjectList *l = queryList("KateMDI::Splitter", 0, false, false); + QObjectListIt it( *l ); + + if ( (s = (KateMDI::Splitter*)it.current()) != 0 ) + saveSplitterConfig( s, 0, config , group); + + delete l; +} + +void KateViewSpaceContainer::restoreViewConfiguration (KConfig *config, const QString& group) +{ + config->setGroup(group); + //config->setGroup ("View Configuration"); + + // no splitters around, ohhh :() + if (!config->readBoolEntry ("Splitters")) + { + // only add the new views needed, let the old stay, won't hurt if one around + m_viewSpaceList.first ()->restoreConfig (this, config, QString(group+"-ViewSpace 0")); + } + else + { + // send all views + their gui to **** ;) + for (uint i=0; i < m_viewList.count(); i++) + mainWindow()->guiFactory ()->removeClient (m_viewList.at(i)); + + m_viewList.clear (); + + // cu viewspaces + m_viewSpaceList.clear(); + + // call restoreSplitter for Splitter 0 + restoreSplitter( config, QString(group+"-Splitter 0"), this,group ); + } + + // finally, make the correct view active. + config->setGroup (group); +/* + KateViewSpace *vs = m_viewSpaceList.at( config->readNumEntry("Active ViewSpace") ); + if ( vs ) + activateSpace( vs->currentView() ); + */ +} + + +void KateViewSpaceContainer::saveSplitterConfig( KateMDI::Splitter* s, int idx, KConfig* config, const QString& viewConfGrp ) +{ + QString grp = QString(viewConfGrp+"-Splitter %1").arg(idx); + config->setGroup(grp); + + // Save sizes, orient, children for this splitter + config->writeEntry( "Sizes", s->sizes() ); + config->writeEntry( "Orientation", s->orientation() ); + + QStringList childList; + // a katesplitter has two children, of which one may be a KateSplitter. + const QObjectList* l = s->children(); + QObjectListIt it( *l ); + QObject* obj; + for (; it.current(); ++it) { + obj = it.current(); + QString n; // name for child list, see below + // For KateViewSpaces, ask them to save the file list. + if ( obj->isA("KateViewSpace") ) { + n = QString(viewConfGrp+"-ViewSpace %1").arg( m_viewSpaceList.find((KateViewSpace*)obj) ); + ((KateViewSpace*)obj)->saveConfig ( config, m_viewSpaceList.find((KateViewSpace*)obj), viewConfGrp); + // save active viewspace + if ( ((KateViewSpace*)obj)->isActiveSpace() ) { + config->setGroup(viewConfGrp); + config->writeEntry("Active Viewspace", m_viewSpaceList.find((KateViewSpace*)obj) ); + } + } + // For KateSplitters, recurse + else if ( obj->isA("KateMDI::Splitter") ) { + idx++; + saveSplitterConfig( (KateMDI::Splitter*)obj, idx, config,viewConfGrp); + n = QString(viewConfGrp+"-Splitter %1").arg( idx ); + } + // make sure list goes in right place! + if (!n.isEmpty()) { + if ( childList.count() > 0 && ! s->isLastChild( (QWidget*)obj ) ) + childList.prepend( n ); + else + childList.append( n ); + } + } + + // reset config group. + config->setGroup(grp); + config->writeEntry("Children", childList); +} + +void KateViewSpaceContainer::restoreSplitter( KConfig* config, const QString &group, QWidget* parent, const QString& viewConfGrp) +{ + config->setGroup( group ); + + KateMDI::Splitter* s = new KateMDI::Splitter((Qt::Orientation)config->readNumEntry("Orientation"), parent); + + QStringList children = config->readListEntry( "Children" ); + for (QStringList::Iterator it=children.begin(); it!=children.end(); ++it) + { + // for a viewspace, create it and open all documents therein. + if ( (*it).startsWith(viewConfGrp+"-ViewSpace") ) + { + KateViewSpace* vs = new KateViewSpace( this, s ); + + connect(this, SIGNAL(statusChanged(Kate::View *, int, int, int, bool, int, const QString &)), vs, SLOT(slotStatusChanged(Kate::View *, int, int, int, bool, int, const QString &))); + + if (m_viewSpaceList.isEmpty()) + vs->setActive (true); + + m_viewSpaceList.append( vs ); + + vs->show(); + setActiveSpace( vs ); + + vs->restoreConfig (this, config, *it); + } + else + { + // for a splitter, recurse. + restoreSplitter( config, QString(*it), s, viewConfGrp ); + } + } + + // set sizes + config->setGroup( group ); + s->setSizes( config->readIntListEntry("Sizes") ); + s->show(); +} + +KateMainWindow *KateViewSpaceContainer::mainWindow() { + return m_viewManager->mainWindow(); +} + +// kate: space-indent on; indent-width 2; replace-tabs on; |