| -rw-r--r-- | microkde/kdeui/kjanuswidget.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/microkde/kdeui/kjanuswidget.cpp b/microkde/kdeui/kjanuswidget.cpp index 7d25854..462c44f 100644 --- a/microkde/kdeui/kjanuswidget.cpp +++ b/microkde/kdeui/kjanuswidget.cpp @@ -1,682 +1,683 @@ /* This file is part of the KDE Libraries * Copyright (C) 1999-2000 Espen Sand (espensa@online.no) * Copyright (C) 2003 Ravikiran Rajagopal (ravi@kde.org) * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include <qpixmap.h> #include <qbitmap.h> #include <qlayout.h> #include <qlabel.h> #include <qwidgetstack.h> #include <qtabwidget.h> #include <qlistview.h> #include <qhbox.h> #include <qvbox.h> #include <qgrid.h> #include <qpainter.h> #include <qobjectlist.h> - +#include <qstringlist.h> /*US #include <qbitmap.h> #include <qgrid.h> #include <qhbox.h> #include <qheader.h> #include <qlabel.h> #include <qlayout.h> #include <qobjectlist.h> #include <qpixmap.h> #include <qsplitter.h> #include <qtabwidget.h> #include <qvbox.h> #include <qwidgetstack.h> #include <qpainter.h> #include <qstyle.h> #include <kapplication.h> #include <klocale.h> #include <kglobal.h> #include <kglobalsettings.h> #include <kseparator.h> #include <kdebug.h> #include "kjanuswidget.h" #include <klistview.h> */ #include <kseparator.h> #include <kdialog.h> // Access to some static members #include <kdebug.h> #include <klistview.h> #include "kjanuswidget.h" class KJanusWidget::IconListItem : public QListBoxItem { public: IconListItem( QListBox *listbox, const QPixmap &pixmap, const QString &text ); virtual int height( const QListBox *lb ) const; virtual int width( const QListBox *lb ) const; int expandMinimumWidth( int width ); protected: const QPixmap &defaultPixmap(); void paint( QPainter *painter ); private: QPixmap mPixmap; int mMinimumWidth; }; class KJanusWidget::KJanusWidgetPrivate { public: KJanusWidgetPrivate() : mNextPageIndex(0) { } int mNextPageIndex; // The next page index. // Dictionary for multipage modes. QMap<int,QWidget*> mIntToPage; // Reverse dictionary. Used because showPage() may be performance critical. QMap<QWidget*,int> mPageToInt; // Dictionary of title string associated with page. QMap<int, QString> mIntToTitle; }; template class QPtrList<QListViewItem>; KJanusWidget::KJanusWidget( QWidget *parent, const char *name, int face ) : QWidget( parent, name ), mValid(false), mPageList(0), mTitleList(0), mFace(face), mTitleLabel(0), mActivePageWidget(0), mShowIconsInTreeList(false), d(0) { QVBoxLayout *topLayout = new QVBoxLayout( this ); if( mFace == TreeList || mFace == IconList ) { d = new KJanusWidgetPrivate; QFrame *page = 0; if( mFace == TreeList ) { //US qDebug("KJanusWidget::KJanusWidget TreeList not implemented yet"); /*US QSplitter *splitter = new QSplitter( this ); topLayout->addWidget( splitter, 10 ); mTreeListResizeMode = QSplitter::KeepSize; mTreeList = new KListView( splitter ); mTreeList->addColumn( QString::null ); mTreeList->header()->hide(); mTreeList->setRootIsDecorated(true); mTreeList->setSorting( -1 ); connect( mTreeList, SIGNAL(selectionChanged()), SLOT(slotShowPage()) ); connect( mTreeList, SIGNAL(clicked(QListViewItem *)), SLOT(slotItemClicked(QListViewItem *))); // // Page area. Title at top with a separator below and a pagestack using // all available space at bottom. // QFrame *p = new QFrame( splitter ); QHBoxLayout *hbox = new QHBoxLayout( p, 0, 0 ); hbox->addSpacing( KDialog::marginHint() ); page = new QFrame( p ); hbox->addWidget( page, 10 ); */ } else { QHBoxLayout *hbox = new QHBoxLayout( topLayout ); mIconList = new IconListBox( this ); QFont listFont( mIconList->font() ); listFont.setBold( true ); mIconList->setFont( listFont ); mIconList->verticalScrollBar()->installEventFilter( this ); hbox->addWidget( mIconList ); connect( mIconList, SIGNAL(selectionChanged()), SLOT(slotShowPage())); hbox->addSpacing( KDialog::marginHint() ); page = new QFrame( this ); hbox->addWidget( page, 10 ); } // // Rest of page area. Title at top with a separator below and a // pagestack using all available space at bottom. // QVBoxLayout *vbox = new QVBoxLayout( page, 0, KDialog::spacingHint() ); mTitleLabel = new QLabel( QString::fromLatin1("Empty page"), page, "KJanusWidgetTitleLabel" ); vbox->addWidget( mTitleLabel ); QFont titleFont( mTitleLabel->font() ); titleFont.setBold( true ); mTitleLabel->setFont( titleFont ); mTitleSep = new KSeparator( page ); mTitleSep->setFrameStyle( QFrame::HLine|QFrame::Plain ); vbox->addWidget( mTitleSep ); mPageStack = new QWidgetStack( page ); connect(mPageStack, SIGNAL(aboutToShow(QWidget *)), SIGNAL(aboutToShowPage(QWidget *))); vbox->addWidget( mPageStack, 10 ); } else if( mFace == Tabbed ) { d = new KJanusWidgetPrivate; mTabControl = new QTabWidget( this ); mTabControl->setMargin (KDialog::marginHint()); topLayout->addWidget( mTabControl, 10 ); } else if( mFace == Swallow ) { mSwallowPage = new QWidget( this ); topLayout->addWidget( mSwallowPage, 10 ); } else { mFace = Plain; mPlainPage = new QFrame( this ); topLayout->addWidget( mPlainPage, 10 ); } /*US if ( kapp ) connect(kapp,SIGNAL(kdisplayFontChanged()),SLOT(slotFontChanged())); */ mValid = true; setSwallowedWidget(0); // Set default size if 'mFace' is Swallow. } KJanusWidget::~KJanusWidget() { /*US the destroyed signal caused a segmentation fault while closing the dialog and destructing all pages. Why not just remove all pages in the destructor?? */ // LR we have all subwidgets with parent-child relation // LR we do not need to delete here anything by the private class /* if( mFace == Tabbed ) { QMap<QWidget*,int>::Iterator it; for (it = d->mPageToInt.begin(); it != d->mPageToInt.end(); ++it) { QObject*page = (QObject*)it.key(); pageGone(page); } } else qDebug("KJanusWidget::~KJanusWidget so far "); */ //US end delete d; } bool KJanusWidget::isValid() const { return( mValid ); } QFrame *KJanusWidget::plainPage() { return( mPlainPage ); } int KJanusWidget::face() const { return( mFace ); } QWidget *KJanusWidget::FindParent() { if( mFace == Tabbed ) { return mTabControl; } else { return this; } } QFrame *KJanusWidget::addPage( const QStringList &items, const QString &header, const QPixmap &pixmap ) { if( mValid == false ) { kdDebug() << "addPage: Invalid object" << endl; return( 0 ); } QFrame *page = new QFrame( FindParent(), "page" ); addPageWidget( page, items, header, pixmap ); return page; } void KJanusWidget::pageGone( QObject *obj ) { // QObject* obj = (QObject*)sender(); removePage( static_cast<QWidget*>( obj ) ); } void KJanusWidget::slotReopen( QListViewItem * item ) { if( item ) item->setOpen( true ); } QFrame *KJanusWidget::addPage( const QString &itemName, const QString &header, const QPixmap &pixmap ) { + QStringList items; items << itemName; return addPage(items, header, pixmap); } QVBox *KJanusWidget::addVBoxPage( const QStringList &items, const QString &header, const QPixmap &pixmap ) { if( mValid == false ) { qDebug("addPage: Invalid object "); return( 0 ); } QVBox *page = new QVBox(FindParent() , "vbox_page" ); page->setSpacing( KDialog::spacingHintSmall() ); addPageWidget( page, items, header, pixmap ); return page; } QVBox *KJanusWidget::addVBoxPage( const QString &itemName, const QString &header, const QPixmap &pixmap ) { QStringList items; items << itemName; return addVBoxPage(items, header, pixmap); } QHBox *KJanusWidget::addHBoxPage( const QStringList &items, const QString &header, const QPixmap &pixmap ) { if( mValid == false ) { kdDebug() << "addPage: Invalid object" << endl; return( 0 ); } QHBox *page = new QHBox(FindParent(), "hbox_page"); page->setSpacing( KDialog::spacingHint() ); addPageWidget( page, items, header, pixmap ); return page; } QHBox *KJanusWidget::addHBoxPage( const QString &itemName, const QString &header, const QPixmap &pixmap ) { QStringList items; items << itemName; return addHBoxPage(items, header, pixmap); } QGrid *KJanusWidget::addGridPage( int n, QGrid::Direction dir, const QStringList &items, const QString &header, const QPixmap &pixmap ) { if( mValid == false ) { kdDebug() << "addPage: Invalid object" << endl; return( 0 ); } QGrid *page = new QGrid( n, dir, FindParent(), "page" ); page->setSpacing( KDialog::spacingHint() ); addPageWidget( page, items, header, pixmap ); return page; } QGrid *KJanusWidget::addGridPage( int n, QGrid::Direction dir, const QString &itemName, const QString &header, const QPixmap &pixmap ) { QStringList items; items << itemName; return addGridPage(n, dir, items, header, pixmap); } void KJanusWidget::InsertTreeListItem(const QStringList &items, const QPixmap &pixmap, QFrame *page) { bool isTop = true; QListViewItem *curTop = 0, *child, *last, *newChild; unsigned int index = 1; QStringList curPath; for ( QStringList::ConstIterator it = items.begin(); it != items.end(); ++it, index++ ) { QString name = (*it); bool isPath = ( index != items.count() ); // Find the first child. if (isTop) { child = mTreeList->firstChild(); } else { child = curTop->firstChild(); } // Now search for a child with the current Name, and if it we doesn't // find it, then remember the location of the last child. for (last = 0; child && child->text(0) != name ; last = child, child = child->nextSibling()); if (last == 0 && child == 0) { // This node didn't have any children at all, lets just insert the // new child. if (isTop) newChild = new QListViewItem(mTreeList, name); else newChild = new QListViewItem(curTop, name); } else if (child != 0) { // we found the given name in this child. if (!isPath) { kdDebug() << "The element inserted was already in the TreeList box!" << endl; return; } else { // Ok we found the folder newChild = child; } } else { // the node had some children, but we didn't find the given name if (isTop) newChild = new QListViewItem(mTreeList, last, name); else newChild = new QListViewItem(curTop, last, name); } // Now make the element expandable if it is a path component, and make // ready for next loop if (isPath) { newChild->setExpandable(true); curTop = newChild; isTop = false; curPath << name; QString key = curPath.join("_/_"); if (mFolderIconMap.contains(key)) { QPixmap p = mFolderIconMap[key]; newChild->setPixmap(0,p); } } else { if (mShowIconsInTreeList) { newChild->setPixmap(0, pixmap); } mTreeListToPageStack.insert(newChild, page); } } } void KJanusWidget::addPageWidget( QFrame *page, const QStringList &items, const QString &header,const QPixmap &pixmap ) { /*US the following signal causes a segmentation fault while closing the dialog. Why not just remove all pages in the destructor?? */ //US connect(page, SIGNAL(destroyed(QObject*)), this, SLOT(pageGone(QObject*))); // we have the SIGNAL(destroyed(QObject*) only in Qt3 #ifdef DESKTOP_VERSION // connect(page, SIGNAL(destroyed(QObject*)), this, SLOT(pageGone(QObject*))); #endif if( mFace == Tabbed ) { mTabControl->addTab (page, items.last()); d->mIntToPage[d->mNextPageIndex] = static_cast<QWidget*>(page); d->mPageToInt[static_cast<QWidget*>(page)] = d->mNextPageIndex; d->mNextPageIndex++; } else if( mFace == TreeList || mFace == IconList ) { d->mIntToPage[d->mNextPageIndex] = static_cast<QWidget*>(page); d->mPageToInt[static_cast<QWidget*>(page)] = d->mNextPageIndex; mPageStack->addWidget( page, 0 ); if (items.count() == 0) { kdDebug() << "Invalid QStringList, with zero items" << endl; return; } if( mFace == TreeList ) { InsertTreeListItem(items, pixmap, page); } else // mFace == IconList { QString itemName = items.last(); IconListItem *item = new IconListItem( mIconList, pixmap, itemName ); mIconListToPageStack.insert(item, page); mIconList->invalidateHeight(); mIconList->invalidateWidth(); if (mIconList->isVisible()) mIconList->updateWidth(); } // // Make sure the title label is sufficiently wide // QString lastName = items.last(); const QString &title = (!header.isNull() ? header : lastName); QRect r = mTitleLabel->fontMetrics().boundingRect( title ); if( mTitleLabel->minimumWidth() < r.width() ) { mTitleLabel->setMinimumWidth( r.width() ); } d->mIntToTitle[d->mNextPageIndex] = title; if( d->mIntToTitle.count() == 1 ) { showPage(0); } d->mNextPageIndex++; } else { kdDebug() << "KJanusWidget::addPageWidget: can only add a page in Tabbed, TreeList or IconList modes" << endl; } } void KJanusWidget::setFolderIcon(const QStringList &path, const QPixmap &pixmap) { QString key = path.join("_/_"); mFolderIconMap.insert(key,pixmap); } bool KJanusWidget::setSwallowedWidget( QWidget *widget ) { if( mFace != Swallow || mValid == false ) { return( false ); } // // Remove current layout and make a new. // if( mSwallowPage->layout() != 0 ) { delete mSwallowPage->layout(); } QGridLayout *gbox = new QGridLayout( mSwallowPage, 1, 1, 0 ); // // Hide old children // QObjectList *l = (QObjectList*)mSwallowPage->children(); // silence please for( uint i=0; i < l->count(); i++ ) { QObject *o = l->at(i); if( o->isWidgetType() ) { ((QWidget*)o)->hide(); } } // // Add new child or make default size // if( widget == 0 ) { gbox->addRowSpacing(0,100); gbox->addColSpacing(0,100); mSwallowPage->setMinimumSize(100,100); } else { if( widget->parent() != mSwallowPage ) { widget->reparent( mSwallowPage, 0, QPoint(0,0) ); } gbox->addWidget(widget, 0, 0 ); gbox->activate(); mSwallowPage->setMinimumSize( widget->minimumSize() ); } return( true ); } bool KJanusWidget::slotShowPage() { if( mValid == false ) { return( false ); } if( mFace == TreeList ) { QListViewItem *node = mTreeList->selectedItem(); if( node == 0 ) { return( false ); } QWidget *stackItem = mTreeListToPageStack[node]; // Make sure to call through the virtual function showPage(int) return showPage(d->mPageToInt[stackItem]); } else if( mFace == IconList ) { QListBoxItem *node = mIconList->item( mIconList->currentItem() ); if( node == 0 ) { return( false ); } QWidget *stackItem = mIconListToPageStack[node]; // Make sure to call through the virtual function showPage(int) return showPage(d->mPageToInt[stackItem]); } return( false ); } bool KJanusWidget::showPage( int index ) { if( d == 0 || mValid == false ) { return( false ); } else { return showPage(d->mIntToPage[index]); } } bool KJanusWidget::showPage( QWidget *w ) { if( w == 0 || mValid == false ) { return( false ); } if( mFace == TreeList || mFace == IconList ) { mPageStack->raiseWidget( w ); mActivePageWidget = w; int index = d->mPageToInt[w]; mTitleLabel->setText( d->mIntToTitle[index] ); if( mFace == TreeList ) { QMap<QListViewItem *, QWidget *>::Iterator it; for (it = mTreeListToPageStack.begin(); it != mTreeListToPageStack.end(); ++it){ QListViewItem *key = it.key(); QWidget *val = it.data(); if (val == w) { mTreeList->setSelected(key, true ); break; } } } else { QMap<QListBoxItem *, QWidget *>::Iterator it; for (it = mIconListToPageStack.begin(); it != mIconListToPageStack.end(); ++it){ QListBoxItem *key = it.key(); QWidget *val = it.data(); if (val == w) { mIconList->setSelected( key, true ); break; } } } } else if( mFace == Tabbed ) { mTabControl->showPage(w); mActivePageWidget = w; } else { return( false ); } return( true ); } |