kurlcombobox.cpp
/* This file is part of the KDE libraries
Copyright (C) 2000,2001 Carsten Pfeiffer <pfeiffer@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 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.
*/
#include <qdir.h>
#include <qlistbox.h>
#include <kdebug.h>
#include <kglobal.h>
#include <kiconloader.h>
#include <klocale.h>
#include <kmimetype.h>
#include <kurlcombobox.h>
class KURLComboBox::KURLComboBoxPrivate
{
public:
KURLComboBoxPrivate() {
dirpix = SmallIcon(QString::fromLatin1("folder"));
}
QPixmap dirpix;
};
KURLComboBox::KURLComboBox( Mode mode, QWidget *parent, const char *name )
: KComboBox( parent, name )
{
init( mode );
}
KURLComboBox::KURLComboBox( Mode mode, bool rw, QWidget *parent,
const char *name )
: KComboBox( rw, parent, name )
{
init( mode );
}
KURLComboBox::~KURLComboBox()
{
delete d;
}
void KURLComboBox::init( Mode mode )
{
d = new KURLComboBoxPrivate();
myMode = mode;
urlAdded = false;
myMaximum = 10; // default
itemList.setAutoDelete( true );
defaultList.setAutoDelete( true );
setInsertionPolicy( NoInsertion );
setTrapReturnKey( true );
setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ));
opendirPix = SmallIcon(QString::fromLatin1("folder_open"));
connect( this, SIGNAL( activated( int )), SLOT( slotActivated( int )));
}
QStringList KURLComboBox::urls() const
{
kdDebug(250) << "::urls()" << endl;
//static const QString &fileProt = KGlobal::staticQString("file:");
QStringList list;
QString url;
for ( int i = defaultList.count(); i < count(); i++ ) {
url = text( i );
if ( !url.isEmpty() ) {
//if ( url.at(0) == '/' )
// list.append( url.prepend( fileProt ) );
//else
list.append( url );
}
}
return list;
}
void KURLComboBox::addDefaultURL( const KURL& url, const QString& text )
{
addDefaultURL( url, getPixmap( url ), text );
}
void KURLComboBox::addDefaultURL( const KURL& url, const QPixmap& pix,
const QString& text )
{
KURLComboItem *item = new KURLComboItem;
item->url = url;
item->pixmap = pix;
if ( text.isEmpty() )
if ( url.isLocalFile() )
item->text = url.path( myMode );
else
item->text = url.prettyURL( myMode );
else
item->text = text;
defaultList.append( item );
}
void KURLComboBox::setDefaults()
{
clear();
itemMapper.clear();
KURLComboItem *item;
for ( unsigned int id = 0; id < defaultList.count(); id++ ) {
item = defaultList.at( id );
insertURLItem( item );
}
}
void KURLComboBox::setURLs( QStringList urls )
{
setURLs( urls, RemoveBottom );
}
void KURLComboBox::setURLs( QStringList urls, OverLoadResolving remove )
{
setDefaults();
itemList.clear();
if ( urls.isEmpty() )
return;
QStringList::Iterator it = urls.begin();
// kill duplicates
QString text;
while ( it != urls.end() ) {
while ( urls.contains( *it ) > 1 ) {
it = urls.remove( it );
continue;
}
++it;
}
// limit to myMaximum items
/* Note: overload is an (old) C++ keyword, some compilers (KCC) choke
on that, so call it Overload (capital 'O'). (matz) */
int Overload = urls.count() - myMaximum + defaultList.count();
while ( Overload > 0 ) {
urls.remove((remove == RemoveBottom) ? urls.fromLast() : urls.begin());
Overload--;
}
it = urls.begin();
KURLComboItem *item = 0L;
KURL u;
while ( it != urls.end() ) {
if ( (*it).isEmpty() ) {
++it;
continue;
}
u = KURL::fromPathOrURL( *it );
// Don't restore if file doesn't exist anymore
if (u.isLocalFile() && !QFile::exists(u.path())) {
++it;
continue;
}
item = new KURLComboItem;
item->url = u;
item->pixmap = getPixmap( u );
if ( u.isLocalFile() )
item->text = u.path( myMode ); // don't show file:/
else
item->text = *it;
insertURLItem( item );
itemList.append( item );
++it;
}
}
void KURLComboBox::setURL( const KURL& url )
{
if ( url.isEmpty() )
return;
blockSignals( true );
// check for duplicates
QMap<int,const KURLComboItem*>::ConstIterator mit = itemMapper.begin();
QString urlToInsert = url.url(-1);
while ( mit != itemMapper.end() ) {
if ( urlToInsert == mit.data()->url.url(-1) ) {
setCurrentItem( mit.key() );
if ( myMode == Directories )
updateItem( mit.data(), mit.key(), opendirPix );
blockSignals( false );
return;
}
++mit;
}
// not in the combo yet -> create a new item and insert it
// first remove the old item
if ( urlAdded ) {
itemList.removeLast();
urlAdded = false;
}
setDefaults();
QPtrListIterator<KURLComboItem> it( itemList );
for( ; it.current(); ++it )
insertURLItem( it.current() );
KURLComboItem *item = new KURLComboItem;
item->url = url;
item->pixmap = getPixmap( url );
if ( url.isLocalFile() )
item->text = url.path( myMode );
else
item->text = url.prettyURL( myMode );
kdDebug(250) << "setURL: text=" << item->text << endl;
int id = count();
QString text = /*isEditable() ? item->url.prettyURL( myMode ) : */ item->text;
if ( myMode == Directories )
KComboBox::insertItem( opendirPix, text, id );
else
KComboBox::insertItem( item->pixmap, text, id );
itemMapper.insert( id, item );
itemList.append( item );
setCurrentItem( id );
urlAdded = true;
blockSignals( false );
}
void KURLComboBox::slotActivated( int index )
{
const KURLComboItem *item = itemMapper[ index ];
if ( item ) {
setURL( item->url );
emit urlActivated( item->url );
}
}
void KURLComboBox::insertURLItem( const KURLComboItem *item )
{
// kdDebug(250) << "insertURLItem " << item->text << endl;
int id = count();
KComboBox::insertItem( item->pixmap, item->text, id );
itemMapper.insert( id, item );
}
void KURLComboBox::setMaxItems( int max )
{
myMaximum = max;
if ( count() > myMaximum ) {
int oldCurrent = currentItem();
setDefaults();
QPtrListIterator<KURLComboItem> it( itemList );
int Overload = itemList.count() - myMaximum + defaultList.count();
for ( int i = 0; i <= Overload; i++ )
++it;
for( ; it.current(); ++it )
insertURLItem( it.current() );
if ( count() > 0 ) { // restore the previous currentItem
if ( oldCurrent >= count() )
oldCurrent = count() -1;
setCurrentItem( oldCurrent );
}
}
}
void KURLComboBox::removeURL( const KURL& url, bool checkDefaultURLs )
{
QMap<int,const KURLComboItem*>::ConstIterator mit = itemMapper.begin();
while ( mit != itemMapper.end() ) {
if ( url.url(-1) == mit.data()->url.url(-1) ) {
if ( !itemList.remove( mit.data() ) && checkDefaultURLs )
defaultList.remove( mit.data() );
}
++mit;
}
blockSignals( true );
setDefaults();
QPtrListIterator<KURLComboItem> it( itemList );
while ( it.current() ) {
insertURLItem( *it );
++it;
}
blockSignals( false );
}
QPixmap KURLComboBox::getPixmap( const KURL& url ) const
{
if ( myMode == Directories )
return d->dirpix;
else
return KMimeType::pixmapForURL( url, 0, KIcon::Small );
}
// updates "item" with pixmap "pixmap" and sets the URL instead of text
// works around a Qt bug.
void KURLComboBox::updateItem( const KURLComboItem *item,
int index, const QPixmap& pixmap )
{
// QComboBox::changeItem() doesn't honor the pixmap when
// using an editable combobox, so we just remove and insert
if ( editable() ) {
removeItem( index );
insertItem( pixmap,
item->url.isLocalFile() ? item->url.path( myMode ) :
item->url.prettyURL( myMode ),
index );
}
else
changeItem( pixmap, item->text, index );
}
#include "kurlcombobox.moc"
KURLComboBox::urlActivated
void urlActivated(const KURL &url)
Emitted when an item was clicked at.
KURLComboBox::KURLComboBox
KURLComboBox(Mode mode, QWidget *parent=0, const char *name=0)
Constructs a KURLComboBox.
Definition: kurlcombobox.cpp:41
KURLComboBox::OverLoadResolving
OverLoadResolving
This Enumeration is used in setURL() to determine which items will be removed when the given list is ...
Definition: kurlcombobox.h:59
KURLComboBox::setMaxItems
void setMaxItems(int)
Sets how many items should be handled and displayed by the combobox.
Definition: kurlcombobox.cpp:287
KURLComboBox::removeURL
void removeURL(const KURL &url, bool checkDefaultURLs=true)
Removes any occurrence of url.
Definition: kurlcombobox.cpp:313
KURLComboBox::addDefaultURL
void addDefaultURL(const KURL &url, const QString &text=QString::null)
Adds a url that will always be shown in the combobox, it can't be "rotated away". ...
Definition: kurlcombobox.cpp:101
KURLComboBox::setURLs
void setURLs(QStringList urls)
Inserts urls into the combobox below the "default urls" (see addDefaultURL).
Definition: kurlcombobox.cpp:137
KURLComboBox::setURL
void setURL(const KURL &url)
Sets the current url.
Definition: kurlcombobox.cpp:205
KURLComboBox::updateItem
void updateItem(const KURLComboItem *item, int index, const QPixmap &pix)
Updates item with pixmap and sets the url instead of the text of the KURLComboItem.
Definition: kurlcombobox.cpp:346
KURLComboBox::urls
QStringList urls() const
KURLComboBox::setDefaults
void setDefaults()
Clears all items and inserts the default urls into the combo.
Definition: kurlcombobox.cpp:125
KURLComboBox::~KURLComboBox
~KURLComboBox()
Destructs the combo box.
Definition: kurlcombobox.cpp:56
KURLComboBox::Mode
Mode
This enum describes which kind of items is shown in the combo box.
Definition: kurlcombobox.h:51
KURLComboBox::getPixmap
QPixmap getPixmap(const KURL &url) const
Uses KMimeType::pixmapForURL() to return a proper pixmap for url.
Definition: kurlcombobox.cpp:335

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