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tdebase/konqueror/konq_actions.cc

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/* This file is part of the KDE project
Copyright (C) 2000 Simon Hausmann <hausmann@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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "konq_actions.h"
#include <assert.h>
#include <ktoolbarbutton.h>
#include <kanimwidget.h>
#include <kdebug.h>
#include <kstringhandler.h>
#include <konq_pixmapprovider.h>
#include <kiconloader.h>
#include <kpopupmenu.h>
#include <kapplication.h>
#include "konq_view.h"
#include "konq_settingsxt.h"
template class QPtrList<KonqHistoryEntry>;
/////////////////
//static - used by KonqHistoryAction and KonqBidiHistoryAction
void KonqBidiHistoryAction::fillHistoryPopup( const QPtrList<HistoryEntry> &history,
QPopupMenu * popup,
bool onlyBack,
bool onlyForward,
bool checkCurrentItem,
uint startPos )
{
assert ( popup ); // kill me if this 0... :/
//kdDebug(1202) << "fillHistoryPopup position: " << history.at() << endl;
HistoryEntry * current = history.current();
QPtrListIterator<HistoryEntry> it( history );
if (onlyBack || onlyForward)
{
it += history.at(); // Jump to current item
if ( !onlyForward ) --it; else ++it; // And move off it
} else if ( startPos )
it += startPos; // Jump to specified start pos
uint i = 0;
while ( it.current() )
{
QString text = it.current()->title;
text = KStringHandler::cEmSqueeze(text, popup->fontMetrics(), 30); //CT: squeeze
text.replace( "&", "&&" );
if ( checkCurrentItem && it.current() == current )
{
int id = popup->insertItem( text ); // no pixmap if checked
popup->setItemChecked( id, true );
} else
popup->insertItem( KonqPixmapProvider::self()->pixmapFor(
it.current()->url.url() ), text );
if ( ++i > 10 )
break;
if ( !onlyForward ) --it; else ++it;
}
//kdDebug(1202) << "After fillHistoryPopup position: " << history.at() << endl;
}
///////////////////////////////
KonqBidiHistoryAction::KonqBidiHistoryAction ( const QString & text, QObject* parent, const char* name )
: KAction( text, 0, parent, name )
{
setShortcutConfigurable(false);
m_firstIndex = 0;
m_goMenu = 0L;
}
int KonqBidiHistoryAction::plug( QWidget *widget, int index )
{
if (kapp && !kapp->authorizeKAction(name()))
return -1;
// Go menu
if ( widget->inherits("QPopupMenu") )
{
m_goMenu = (QPopupMenu*)widget;
// Forward signal (to main view)
connect( m_goMenu, SIGNAL( aboutToShow() ),
this, SIGNAL( menuAboutToShow() ) );
connect( m_goMenu, SIGNAL( activated( int ) ),
this, SLOT( slotActivated( int ) ) );
//kdDebug(1202) << "m_goMenu->count()=" << m_goMenu->count() << endl;
// Store how many items the menu already contains.
// This means, the KonqBidiHistoryAction has to be plugged LAST in a menu !
m_firstIndex = m_goMenu->count();
return m_goMenu->count(); // hmmm, what should this be ?
}
return KAction::plug( widget, index );
}
void KonqBidiHistoryAction::fillGoMenu( const QPtrList<HistoryEntry> & history )
{
if (history.isEmpty())
return; // nothing to do
//kdDebug(1202) << "fillGoMenu position: " << history.at() << endl;
if ( m_firstIndex == 0 ) // should never happen since done in plug
m_firstIndex = m_goMenu->count();
else
{ // Clean up old history (from the end, to avoid shifts)
for ( uint i = m_goMenu->count()-1 ; i >= m_firstIndex; i-- )
m_goMenu->removeItemAt( i );
}
// TODO perhaps smarter algorithm (rename existing items, create new ones only if not enough) ?
// Ok, we want to show 10 items in all, among which the current url...
if ( history.count() <= 9 )
{
// First case: limited history in both directions -> show it all
m_startPos = history.count() - 1; // Start right from the end
} else
// Second case: big history, in one or both directions
{
// Assume both directions first (in this case we place the current URL in the middle)
m_startPos = history.at() + 4;
// Forward not big enough ?
if ( history.at() > (int)history.count() - 4 )
m_startPos = history.count() - 1;
}
Q_ASSERT( m_startPos >= 0 && (uint)m_startPos < history.count() );
if ( m_startPos < 0 || (uint)m_startPos >= history.count() )
{
kdWarning() << "m_startPos=" << m_startPos << " history.count()=" << history.count() << endl;
return;
}
m_currentPos = history.at(); // for slotActivated
KonqBidiHistoryAction::fillHistoryPopup( history, m_goMenu, false, false, true, m_startPos );
}
void KonqBidiHistoryAction::slotActivated( int id )
{
// 1 for first item in the list, etc.
int index = m_goMenu->indexOf(id) - m_firstIndex + 1;
if ( index > 0 )
{
kdDebug(1202) << "Item clicked has index " << index << endl;
// -1 for one step back, 0 for don't move, +1 for one step forward, etc.
int steps = ( m_startPos+1 ) - index - m_currentPos; // make a drawing to understand this :-)
kdDebug(1202) << "Emit activated with steps = " << steps << endl;
emit activated( steps );
}
}
///////////////////////////////
KonqLogoAction::KonqLogoAction( const QString& text, int accel, QObject* parent, const char* name )
: KAction( text, accel, parent, name )
{
}
KonqLogoAction::KonqLogoAction( const QString& text, int accel,
QObject* receiver, const char* slot, QObject* parent, const char* name )
: KAction( text, accel, receiver, slot, parent, name )
{
}
KonqLogoAction::KonqLogoAction( const QString& text, const QIconSet& pix, int accel, QObject* parent, const char* name )
: KAction( text, pix, accel, parent, name )
{
}
KonqLogoAction::KonqLogoAction( const QString& text, const QIconSet& pix,int accel, QObject* receiver, const char* slot, QObject* parent, const char* name )
: KAction( text, pix, accel, receiver, slot, parent, name )
{
}
KonqLogoAction::KonqLogoAction( const QStringList& icons, QObject* receiver,
const char* slot, QObject* parent,
const char* name )
: KAction( 0L, 0, receiver, slot, parent, name ) // text missing !
{
iconList = icons;
}
void KonqLogoAction::start()
{
int len = containerCount();
for ( int i = 0; i < len; i++ )
{
QWidget *w = container( i );
if ( w->inherits( "KToolBar" ) )
{
KAnimWidget *anim = ((KToolBar *)w)->animatedWidget( menuId( i ) );
anim->start();
}
}
}
void KonqLogoAction::stop()
{
int len = containerCount();
for ( int i = 0; i < len; i++ )
{
QWidget *w = container( i );
if ( w->inherits( "KToolBar" ) )
{
KAnimWidget *anim = ((KToolBar *)w)->animatedWidget( menuId( i ) );
anim->stop();
}
}
}
void KonqLogoAction::updateIcon(int id)
{
QWidget *w = container( id );
if ( w->inherits( "KToolBar" ) )
{
KAnimWidget *anim = ((KToolBar *)w)->animatedWidget( menuId( id ) );
anim->setIcons(icon());
}
}
int KonqLogoAction::plug( QWidget *widget, int index )
{
if (kapp && !kapp->authorizeKAction(name()))
return -1;
/*
if ( widget->inherits( "KMainWindow" ) )
{
((KMainWindow*)widget)->setIndicatorWidget(m_logoLabel);
addContainer( widget, -1 );
return containerCount() - 1;
}
*/
if ( widget->inherits( "KToolBar" ) )
{
KToolBar *bar = (KToolBar *)widget;
int id_ = getToolButtonID();
bar->insertAnimatedWidget( id_, this, SIGNAL(activated()), QString("kde"), index );
bar->alignItemRight( id_ );
addContainer( bar, id_ );
connect( bar, SIGNAL( destroyed() ), this, SLOT( slotDestroyed() ) );
return containerCount() - 1;
}
int containerId = KAction::plug( widget, index );
return containerId;
}
///////////
KonqViewModeAction::KonqViewModeAction( const QString &text, const QString &icon,
QObject *parent, const char *name )
: KRadioAction( text, icon, 0, parent, name )
{
m_menu = new QPopupMenu;
connect( m_menu, SIGNAL( aboutToShow() ),
this, SLOT( slotPopupAboutToShow() ) );
connect( m_menu, SIGNAL( activated( int ) ),
this, SLOT( slotPopupActivated() ) );
connect( m_menu, SIGNAL( aboutToHide() ),
this, SLOT( slotPopupAboutToHide() ) );
}
KonqViewModeAction::~KonqViewModeAction()
{
delete m_menu;
}
int KonqViewModeAction::plug( QWidget *widget, int index )
{
int res = KRadioAction::plug( widget, index );
if ( widget->inherits( "KToolBar" ) && (res != -1) )
{
KToolBar *toolBar = static_cast<KToolBar *>( widget );
KToolBarButton *button = toolBar->getButton( itemId( res ) );
if ( m_menu->count() > 1 )
button->setDelayedPopup( m_menu, false );
}
return res;
}
void KonqViewModeAction::slotPopupAboutToShow()
{
m_popupActivated = false;
}
void KonqViewModeAction::slotPopupActivated()
{
m_popupActivated = true;
}
void KonqViewModeAction::slotPopupAboutToHide()
{
if ( !m_popupActivated )
{
int i = 0;
for (; i < containerCount(); ++i )
{
QWidget *widget = container( i );
if ( !widget->inherits( "KToolBar" ) )
continue;
KToolBar *tb = static_cast<KToolBar *>( widget );
KToolBarButton *button = tb->getButton( itemId( i ) );
button->setDown( isChecked() );
}
}
}
MostOftenList * KonqMostOftenURLSAction::s_mostEntries = 0L;
uint KonqMostOftenURLSAction::s_maxEntries = 0;
KonqMostOftenURLSAction::KonqMostOftenURLSAction( const QString& text,
QObject *parent,
const char *name )
: KActionMenu( text, "goto", parent, name )
{
setDelayed( false );
connect( popupMenu(), SIGNAL( aboutToShow() ), SLOT( slotFillMenu() ));
//connect( popupMenu(), SIGNAL( aboutToHide() ), SLOT( slotClearMenu() ));
connect( popupMenu(), SIGNAL( activated( int ) ),
SLOT( slotActivated(int) ));
// Need to do all this upfront for a correct initial state
init();
}
KonqMostOftenURLSAction::~KonqMostOftenURLSAction()
{
}
void KonqMostOftenURLSAction::init()
{
s_maxEntries = KonqSettings::numberofmostvisitedURLs();
KonqHistoryManager *mgr = KonqHistoryManager::kself();
setEnabled( !mgr->entries().isEmpty() && s_maxEntries > 0 );
}
void KonqMostOftenURLSAction::parseHistory() // only ever called once
{
KonqHistoryManager *mgr = KonqHistoryManager::kself();
KonqHistoryIterator it( mgr->entries() );
connect( mgr, SIGNAL( entryAdded( const KonqHistoryEntry * )),
SLOT( slotEntryAdded( const KonqHistoryEntry * )));
connect( mgr, SIGNAL( entryRemoved( const KonqHistoryEntry * )),
SLOT( slotEntryRemoved( const KonqHistoryEntry * )));
connect( mgr, SIGNAL( cleared() ), SLOT( slotHistoryCleared() ));
s_mostEntries = new MostOftenList; // exit() will clean this up for now
for ( uint i = 0; it.current() && i < s_maxEntries; i++ ) {
s_mostEntries->append( it.current() );
++it;
}
s_mostEntries->sort();
while ( it.current() ) {
KonqHistoryEntry *leastOften = s_mostEntries->first();
KonqHistoryEntry *entry = it.current();
if ( leastOften->numberOfTimesVisited < entry->numberOfTimesVisited ) {
s_mostEntries->removeFirst();
s_mostEntries->inSort( entry );
}
++it;
}
}
void KonqMostOftenURLSAction::slotEntryAdded( const KonqHistoryEntry *entry )
{
// if it's already present, remove it, and inSort it
s_mostEntries->removeRef( entry );
if ( s_mostEntries->count() >= s_maxEntries ) {
KonqHistoryEntry *leastOften = s_mostEntries->first();
if ( leastOften->numberOfTimesVisited < entry->numberOfTimesVisited ) {
s_mostEntries->removeFirst();
s_mostEntries->inSort( entry );
}
}
else
s_mostEntries->inSort( entry );
setEnabled( !s_mostEntries->isEmpty() );
}
void KonqMostOftenURLSAction::slotEntryRemoved( const KonqHistoryEntry *entry )
{
s_mostEntries->removeRef( entry );
setEnabled( !s_mostEntries->isEmpty() );
}
void KonqMostOftenURLSAction::slotHistoryCleared()
{
s_mostEntries->clear();
setEnabled( false );
}
void KonqMostOftenURLSAction::slotFillMenu()
{
if ( !s_mostEntries ) // first time
parseHistory();
popupMenu()->clear();
m_popupList.clear();
int id = s_mostEntries->count() -1;
KonqHistoryEntry *entry = s_mostEntries->at( id );
while ( entry ) {
// we take either title, typedURL or URL (in this order)
QString text = entry->title.isEmpty() ? (entry->typedURL.isEmpty() ?
entry->url.prettyURL() :
entry->typedURL) :
entry->title;
popupMenu()->insertItem(
KonqPixmapProvider::self()->pixmapFor( entry->url.url() ),
text, id );
// Keep a copy of the URLs being shown in the menu
// This prevents crashes when another process tells us to remove an entry.
m_popupList.prepend( entry->url );
entry = (id > 0) ? s_mostEntries->at( --id ) : 0L;
}
setEnabled( !s_mostEntries->isEmpty() );
Q_ASSERT( s_mostEntries->count() == m_popupList.count() );
}
#if 0
void KonqMostOftenURLSAction::slotClearMenu()
{
// Warning this is called _before_ slotActivated, when activating a menu item.
// So e.g. don't clear m_popupList here.
}
#endif
void KonqMostOftenURLSAction::slotActivated( int id )
{
Q_ASSERT( !m_popupList.isEmpty() ); // can not happen
Q_ASSERT( id < (int)m_popupList.count() );
KURL url = m_popupList[ id ];
if ( url.isValid() )
emit activated( url );
else
kdWarning() << "Invalid url: " << url.prettyURL() << endl;
m_popupList.clear();
}
// sort by numberOfTimesVisited (least often goes first)
int MostOftenList::compareItems( QPtrCollection::Item item1,
QPtrCollection::Item item2)
{
KonqHistoryEntry *entry1 = static_cast<KonqHistoryEntry *>( item1 );
KonqHistoryEntry *entry2 = static_cast<KonqHistoryEntry *>( item2 );
if ( entry1->numberOfTimesVisited > entry2->numberOfTimesVisited )
return 1;
else if ( entry1->numberOfTimesVisited < entry2->numberOfTimesVisited )
return -1;
else
return 0;
}
#include "konq_actions.moc"