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tdebase/konqueror/konq_combo.cc

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/* This file is part of the KDE project
Copyright (C) 2001 Carsten Pfeiffer <pfeiffer@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <tqpainter.h>
#include <tqstyle.h>
#include <tdeapplication.h>
#include <tdeconfig.h>
#include <tdecompletionbox.h>
#include <kdebug.h>
#include <kiconloader.h>
#include <kicontheme.h>
#include <klineedit.h>
#include <konq_pixmapprovider.h>
#include <tdestdaccel.h>
#include <kurldrag.h>
#include <konq_mainwindow.h>
#include <kstringhandler.h>
#include <dcopclient.h>
#include "konq_combo.h"
TDEConfig * KonqCombo::s_config = 0L;
const int KonqCombo::temporary = 0;
static TQString titleOfURL( const TQString& urlStr )
{
KURL url = KURL::fromPathOrURL( urlStr );
KonqHistoryList& historylist = const_cast<KonqHistoryList&>( KonqHistoryManager::kself()->entries() );
KonqHistoryEntry *historyentry = historylist.findEntry( url );
if ( !historyentry && !url.url().endsWith( "/" ) ) {
url.setPath( url.path()+'/' );
historyentry = historylist.findEntry( url );
}
return ( historyentry ? historyentry->title : TQString() );
}
class TQ_EXPORT KonqComboListBoxPixmap : public TQListBoxItem
{
public:
KonqComboListBoxPixmap( const TQString& text );
KonqComboListBoxPixmap( const TQPixmap &, const TQString& text, const TQString& title );
const TQPixmap *pixmap() const { return &pm; }
int height( const TQListBox * ) const;
int width( const TQListBox * ) const;
int rtti() const;
static int RTTI;
bool reuse( const TQString& newText );
protected:
void paint( TQPainter * );
private:
bool lookup_pending;
TQPixmap pm;
TQString title;
};
class KonqComboLineEdit : public KLineEdit
{
public:
KonqComboLineEdit( TQWidget *parent=0, const char *name=0 );
void setCompletedItems( const TQStringList& items );
};
class KonqComboCompletionBox : public TDECompletionBox
{
public:
KonqComboCompletionBox( TQWidget *parent, const char *name = 0 );
void setItems( const TQStringList& items );
void insertStringList( const TQStringList & list, int index = -1 );
};
KonqCombo::KonqCombo( TQWidget *parent, const char *name )
: KHistoryCombo( parent, name ),
m_returnPressed( false ),
m_permanent( false ),
m_modifier( Qt::NoButton ),
m_pageSecurity( KonqMainWindow::NotCrypted )
{
setInsertionPolicy( NoInsertion );
setSizePolicy( TQSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Fixed ));
Q_ASSERT( s_config );
TDEConfigGroupSaver cs( s_config, "Location Bar" );
setMaxCount( s_config->readNumEntry("Maximum of URLs in combo", 20 ));
// We should also connect the completionBox' highlighted signal to
// our setEditText() slot, because we're handling the signals ourselves.
// But we're lazy and let TDECompletionBox do this and simply switch off
// handling of signals later.
setHandleSignals( true );
KonqComboLineEdit *edit = new KonqComboLineEdit( this, "combo lineedit" );
edit->setHandleSignals( true );
edit->setCompletionBox( new KonqComboCompletionBox( edit, "completion box" ) );
setLineEdit( edit );
completionBox()->setTabHandling( true );
// Make the lineedit consume the Key_Enter event...
setTrapReturnKey( true );
connect( KonqHistoryManager::kself(), TQT_SIGNAL(cleared()), TQT_SLOT(slotCleared()) );
connect( this, TQT_SIGNAL(cleared() ), TQT_SLOT(slotCleared()) );
connect( this, TQT_SIGNAL(highlighted( int )), TQT_SLOT(slotSetIcon( int )) );
connect( this, TQT_SIGNAL(activated( const TQString& )),
TQT_SLOT(slotActivated( const TQString& )) );
setHistoryEditorEnabled( true );
connect( this, TQT_SIGNAL(removed( const TQString&) ), TQT_SLOT(slotRemoved( const TQString& )) );
if ( !kapp->dcopClient()->isAttached() )
kapp->dcopClient()->attach();
}
KonqCombo::~KonqCombo()
{
}
void KonqCombo::init( TDECompletion *completion )
{
setCompletionObject( completion, false ); //KonqMainWindow handles signals
setAutoDeleteCompletionObject( false );
setCompletionMode( completion->completionMode() );
loadItems();
}
void KonqCombo::setURL( const TQString& url )
{
//kdDebug(1202) << "KonqCombo::setURL: " << url << ", returnPressed ? " << m_returnPressed << endl;
setTemporary( url );
if ( m_returnPressed ) { // Really insert...
m_returnPressed = false;
TQByteArray data;
TQDataStream s( data, IO_WriteOnly );
s << url << kapp->dcopClient()->defaultObject();
kapp->dcopClient()->send( "konqueror*", "KonquerorIface",
"addToCombo(TQString,TQCString)", data);
}
// important security consideration: always display the beginning
// of the url rather than its end to prevent spoofing attempts.
lineEdit()->setCursorPosition( 0 );
}
void KonqCombo::setTemporary( const TQString& text )
{
setTemporary( text, KonqPixmapProvider::self()->pixmapFor(text) );
}
void KonqCombo::setTemporary( const TQString& url, const TQPixmap& pix )
{
//kdDebug(1202) << "KonqCombo::setTemporary: " << url << ", temporary = " << temporary << endl;
// Insert a temporary item when we don't have one yet
if ( count() == 0 )
insertItem( pix, url, temporary, titleOfURL( url ) );
else
{
if (url != temporaryItem())
applyPermanent();
updateItem( pix, url, temporary, titleOfURL( url ) );
}
setCurrentItem( temporary );
}
void KonqCombo::removeDuplicates( int index )
{
//kdDebug(1202) << "KonqCombo::removeDuplicates: Starting index = " << index << endl;
TQString url (temporaryItem());
if (url.endsWith("/"))
url.truncate(url.length()-1);
// Remove all dupes, if available...
for ( int i = index; i < count(); i++ )
{
TQString item (text(i));
if (item.endsWith("/"))
item.truncate(item.length()-1);
if ( item == url )
removeItem( i );
}
lineEdit()->setCursorPosition( 0 );
}
// called via DCOP in all instances
void KonqCombo::insertPermanent( const TQString& url )
{
//kdDebug(1202) << "KonqCombo::insertPermanent: URL = " << url << endl;
saveState();
setTemporary( url );
m_permanent = true;
restoreState();
}
// called right before a new (different!) temporary item will be set. So we
// insert an item that was marked permanent properly at position 1.
void KonqCombo::applyPermanent()
{
if ( m_permanent && !temporaryItem().isEmpty() ) {
// Remove as many items as needed to honour maxCount()
int index = count();
while ( count() >= maxCount() )
removeItem( --index );
TQString url (temporaryItem());
insertItem( KonqPixmapProvider::self()->pixmapFor( url ), url, 1, titleOfURL( url ) );
//kdDebug(1202) << "KonqCombo::applyPermanent: " << url << endl;
// Remove all duplicates starting from index = 2
removeDuplicates( 2 );
m_permanent = false;
}
}
void KonqCombo::insertItem( const TQString &text, int index, const TQString& title )
{
KonqComboListBoxPixmap* item = new KonqComboListBoxPixmap( 0, text, title );
listBox()->insertItem( item, index );
}
void KonqCombo::insertItem( const TQPixmap &pixmap, const TQString& text, int index, const TQString& title )
{
KonqComboListBoxPixmap* item = new KonqComboListBoxPixmap( pixmap, text, title );
listBox()->insertItem( item, index );
}
void KonqCombo::updateItem( const TQPixmap& pix, const TQString& t, int index, const TQString& title )
{
// No need to flicker
if (text( index ) == t &&
(pixmap(index) && pixmap(index)->serialNumber() == pix.serialNumber()))
return;
// kdDebug(1202) << "KonqCombo::updateItem: item='" << t << "', index='"
// << index << "'" << endl;
// TQComboBox::changeItem() doesn't honour the pixmap when
// using an editable combobox, so we just remove and insert
// ### use TQComboBox::changeItem(), once that finally works
// Well lets try it now as it seems to work fine for me. We
// can always revert :)
KonqComboListBoxPixmap* item = new KonqComboListBoxPixmap( pix, t, title );
listBox()->changeItem( item, index );
/*
setUpdatesEnabled( false );
lineEdit()->setUpdatesEnabled( false );
removeItem( index );
insertItem( pix, t, index );
setUpdatesEnabled( true );
lineEdit()->setUpdatesEnabled( true );
update();
*/
}
void KonqCombo::saveState()
{
m_cursorPos = cursorPosition();
m_currentText = currentText();
m_currentIndex = currentItem();
}
void KonqCombo::restoreState()
{
setTemporary( m_currentText );
lineEdit()->setCursorPosition( m_cursorPos );
}
void KonqCombo::updatePixmaps()
{
saveState();
setUpdatesEnabled( false );
KonqPixmapProvider *prov = KonqPixmapProvider::self();
for ( int i = 1; i < count(); i++ ) {
updateItem( prov->pixmapFor( text( i ) ), text( i ), i, titleOfURL( text( i ) ) );
}
setUpdatesEnabled( true );
repaint();
restoreState();
}
void KonqCombo::loadItems()
{
clear();
int i = 0;
s_config->setGroup( "History" ); // delete the old 2.0.x completion
s_config->writeEntry( "CompletionItems", "unused" );
s_config->setGroup( "Location Bar" );
TQStringList items = s_config->readPathListEntry( "ComboContents" );
TQStringList::ConstIterator it = items.begin();
TQString item;
bool first = true;
while ( it != items.end() ) {
item = *it;
if ( !item.isEmpty() ) { // only insert non-empty items
if( first ) {
insertItem( KonqPixmapProvider::self()->pixmapFor( item, TDEIcon::SizeSmall ),
item, i++, titleOfURL( item ) );
}
else
// icons will be loaded on-demand
insertItem( item, i++, titleOfURL( item ) );
first = false;
}
++it;
}
if ( count() > 0 )
m_permanent = true; // we want the first loaded item to stay
}
void KonqCombo::slotSetIcon( int index )
{
if( pixmap( index ) == NULL )
// on-demand icon loading
updateItem( KonqPixmapProvider::self()->pixmapFor( text( index ),
TDEIcon::SizeSmall ), text( index ), index,
titleOfURL( text( index ) ) );
update();
}
void KonqCombo::popup()
{
for( int i = 0; i < count(); ++i )
{
if( pixmap( i ) == NULL || pixmap( i )->isNull() )
{
// on-demand icon loading
updateItem( KonqPixmapProvider::self()->pixmapFor( text( i ),
TDEIcon::SizeSmall), text( i ), i, titleOfURL( text( i ) ) );
}
}
KHistoryCombo::popup();
}
void KonqCombo::saveItems()
{
TQStringList items;
int i = m_permanent ? 0 : 1;
for ( ; i < count(); i++ )
items.append( text( i ) );
s_config->setGroup( "Location Bar" );
s_config->writePathEntry( "ComboContents", items );
KonqPixmapProvider::self()->save( s_config, "ComboIconCache", items );
s_config->sync();
}
void KonqCombo::clearTemporary( bool makeCurrent )
{
applyPermanent();
changeItem( TQString::null, temporary ); // ### default pixmap?
if ( makeCurrent )
setCurrentItem( temporary );
}
bool KonqCombo::eventFilter( TQObject *o, TQEvent *ev )
{
// Handle Ctrl+Del/Backspace etc better than the Qt widget, which always
// jumps to the next whitespace.
TQLineEdit *edit = lineEdit();
if ( TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(edit) ) {
int type = ev->type();
if ( type == TQEvent::KeyPress ) {
TQKeyEvent *e = TQT_TQKEYEVENT( ev );
if ( e->key() == Key_Return || e->key() == Key_Enter ) {
m_modifier = e->state();
return false;
}
if ( KKey( e ) == KKey( int( TDEStdAccel::deleteWordBack() ) ) ||
KKey( e ) == KKey( int( TDEStdAccel::deleteWordForward() ) ) ||
((e->state() & ControlButton) &&
(e->key() == Key_Left || e->key() == Key_Right) ) ) {
selectWord(e);
e->accept();
return true;
}
}
else if ( type == TQEvent::MouseButtonDblClick ) {
edit->selectAll();
return true;
}
}
return KComboBox::eventFilter( o, ev );
}
void KonqCombo::keyPressEvent( TQKeyEvent *e )
{
KHistoryCombo::keyPressEvent( e );
// we have to set it as temporary, otherwise we wouldn't get our nice
// pixmap. Yes, TQComboBox still sucks.
if ( KKey( e ) == KKey( int( TDEStdAccel::rotateUp() ) ) ||
KKey( e ) == KKey( int( TDEStdAccel::rotateDown() ) ) )
setTemporary( currentText() );
}
/*
Handle Ctrl+Cursor etc better than the Qt widget, which always
jumps to the next whitespace. This code additionally jumps to
the next [/#?:], which makes more sense for URLs. The list of
chars that will stop the cursor are '/', '.', '?', '#', ':'.
*/
void KonqCombo::selectWord(TQKeyEvent *e)
{
TQLineEdit* edit = lineEdit();
TQString text = edit->text();
int pos = edit->cursorPosition();
int pos_old = pos;
int count = 0;
// TODO: make these a parameter when in tdelibs/tdeui...
TQValueList<TQChar> chars;
chars << TQChar('/') << TQChar('.') << TQChar('?') << TQChar('#') << TQChar(':');
bool allow_space_break = true;
if( e->key() == Key_Left || e->key() == Key_Backspace ) {
do {
pos--;
count++;
if( allow_space_break && text[pos].isSpace() && count > 1 )
break;
} while( pos >= 0 && (chars.findIndex(text[pos]) == -1 || count <= 1) );
if( e->state() & ShiftButton ) {
edit->cursorForward(true, 1-count);
}
else if( e->key() == Key_Backspace ) {
edit->cursorForward(false, 1-count);
TQString text = edit->text();
int pos_to_right = edit->text().length() - pos_old;
TQString cut = text.left(edit->cursorPosition()) + text.right(pos_to_right);
edit->setText(cut);
edit->setCursorPosition(pos_old-count+1);
}
else {
edit->cursorForward(false, 1-count);
}
}
else if( e->key() == Key_Right || e->key() == Key_Delete ){
do {
pos++;
count++;
if( allow_space_break && text[pos].isSpace() )
break;
} while( pos < (int) text.length() && chars.findIndex(text[pos]) == -1 );
if( e->state() & ShiftButton ) {
edit->cursorForward(true, count+1);
}
else if( e->key() == Key_Delete ) {
edit->cursorForward(false, -count-1);
TQString text = edit->text();
int pos_to_right = text.length() - pos - 1;
TQString cut = text.left(pos_old) +
(pos_to_right > 0 ? text.right(pos_to_right) : TQString::null );
edit->setText(cut);
edit->setCursorPosition(pos_old);
}
else {
edit->cursorForward(false, count+1);
}
}
}
void KonqCombo::slotCleared()
{
TQByteArray data;
TQDataStream s( data, IO_WriteOnly );
s << kapp->dcopClient()->defaultObject();
kapp->dcopClient()->send( "konqueror*", "KonquerorIface", "comboCleared(TQCString)", data);
}
void KonqCombo::slotRemoved( const TQString& item )
{
TQByteArray data;
TQDataStream s( data, IO_WriteOnly );
s << item << kapp->dcopClient()->defaultObject();
kapp->dcopClient()->send( "konqueror*", "KonquerorIface",
"removeFromCombo(TQString,TQCString)", data);
}
void KonqCombo::removeURL( const TQString& url )
{
setUpdatesEnabled( false );
lineEdit()->setUpdatesEnabled( false );
removeFromHistory( url );
applyPermanent();
setTemporary( currentText() );
setUpdatesEnabled( true );
lineEdit()->setUpdatesEnabled( true );
update();
}
void KonqCombo::mousePressEvent( TQMouseEvent *e )
{
m_dragStart = TQPoint(); // null QPoint
if ( e->button() == Qt::LeftButton && pixmap( currentItem()) ) {
// check if the pixmap was clicked
int x = e->pos().x();
int x0 = TQStyle::visualRect( style().querySubControlMetrics( TQStyle::CC_ComboBox, this, TQStyle::SC_ComboBoxEditField ), this ).x();
if ( x > x0 + 2 && x < lineEdit()->x() ) {
m_dragStart = e->pos();
return; // don't call KComboBox::mousePressEvent!
}
}
if ( e->button() == Qt::LeftButton && m_pageSecurity!=KonqMainWindow::NotCrypted ) {
// check if the lock icon was clicked
int x = e->pos().x();
int x0 = TQStyle::visualRect( style().querySubControlMetrics( TQStyle::CC_ComboBox, this, TQStyle::SC_ComboBoxArrow ), this ).x();
if ( x < x0 )
emit showPageSecurity();
}
KComboBox::mousePressEvent( e );
}
void KonqCombo::mouseMoveEvent( TQMouseEvent *e )
{
KComboBox::mouseMoveEvent( e );
if ( m_dragStart.isNull() || currentText().isEmpty() )
return;
if ( e->state() & Qt::LeftButton &&
(e->pos() - m_dragStart).manhattanLength() >
TDEGlobalSettings::dndEventDelay() )
{
KURL url = KURL::fromPathOrURL( currentText() );
if ( url.isValid() )
{
KURL::List list;
list.append( url );
KURLDrag *drag = new KURLDrag( list, this );
TQPixmap pix = KonqPixmapProvider::self()->pixmapFor( currentText(),
TDEIcon::SizeMedium );
if ( !pix.isNull() )
drag->setPixmap( pix );
drag->dragCopy();
}
}
}
void KonqCombo::slotActivated( const TQString& text )
{
//kdDebug(1202) << "KonqCombo::slotActivated: " << text << endl;
applyPermanent();
m_returnPressed = true;
emit activated( text, m_modifier );
m_modifier = Qt::NoButton;
}
void KonqCombo::setConfig( TDEConfig *kc )
{
s_config = kc;
}
void KonqCombo::paintEvent( TQPaintEvent *pe )
{
TQComboBox::paintEvent( pe );
TQLineEdit *edit = lineEdit();
TQRect re = style().querySubControlMetrics( TQStyle::CC_ComboBox, this, TQStyle::SC_ComboBoxEditField );
re = TQStyle::visualRect(re, this);
if ( m_pageSecurity!=KonqMainWindow::NotCrypted ) {
TQColor color(245, 246, 190);
bool useColor = hasSufficientContrast(color,edit->paletteForegroundColor());
TQPainter p( this );
p.setClipRect( re );
TQPixmap pix = KonqPixmapProvider::self()->pixmapFor( currentText() );
if ( useColor ) {
p.fillRect( re.x(), re.y(), pix.width() + 4, re.height(), TQBrush( color ));
p.drawPixmap( re.x() + 2, re.y() + ( re.height() - pix.height() ) / 2, pix );
}
TQRect r = edit->geometry();
r.setRight( re.right() - pix.width() - 4 );
if ( r != edit->geometry() )
edit->setGeometry( r );
if ( useColor)
edit->setPaletteBackgroundColor( color );
pix = SmallIcon( m_pageSecurity==KonqMainWindow::Encrypted ? "encrypted" : "halfencrypted" );
p.fillRect( re.right() - pix.width() - 3 , re.y(), pix.width() + 4, re.height(),
TQBrush( useColor ? color : edit->paletteBackgroundColor() ));
p.drawPixmap( re.right() - pix.width() -1 , re.y() + ( re.height() - pix.height() ) / 2, pix );
p.setClipping( FALSE );
}
else {
TQRect r = edit->geometry();
r.setRight( re.right() );
if ( r != edit->geometry() )
edit->setGeometry( r );
edit->setPaletteBackgroundColor( TQApplication::palette( edit ).color( TQPalette::Active, TQColorGroup::Base ) );
}
}
void KonqCombo::setPageSecurity( int pageSecurity )
{
m_pageSecurity = pageSecurity;
repaint();
}
bool KonqCombo::hasSufficientContrast(const TQColor &c1, const TQColor &c2)
{
// Taken from tdehtml/misc/helper.cc
#define HUE_DISTANCE 40
#define CONTRAST_DISTANCE 10
int h1, s1, v1, h2, s2, v2;
int hdist = -CONTRAST_DISTANCE;
c1.hsv(&h1,&s1,&v1);
c2.hsv(&h2,&s2,&v2);
if(h1!=-1 && h2!=-1) { // grey values have no hue
hdist = kAbs(h1-h2);
if (hdist > 180) hdist = 360-hdist;
if (hdist < HUE_DISTANCE) {
hdist -= HUE_DISTANCE;
// see if they are high key or low key colours
bool hk1 = h1>=45 && h1<=225;
bool hk2 = h2>=45 && h2<=225;
if (hk1 && hk2)
hdist = (5*hdist)/3;
else if (!hk1 && !hk2)
hdist = (7*hdist)/4;
}
hdist = kMin(hdist, HUE_DISTANCE*2);
}
return hdist + (kAbs(s1-s2)*128)/(160+kMin(s1,s2)) + kAbs(v1-v2) > CONTRAST_DISTANCE;
}
///////////////////////////////////////////////////////////////////////////////
KonqComboListBoxPixmap::KonqComboListBoxPixmap( const TQString& text )
: TQListBoxItem()
{
setText( text );
lookup_pending = true;
}
KonqComboListBoxPixmap::KonqComboListBoxPixmap( const TQPixmap & pix, const TQString& text, const TQString& _title )
: TQListBoxItem()
{
pm = pix;
title = _title;
setText( text );
lookup_pending = false;
}
void KonqComboListBoxPixmap::paint( TQPainter *painter )
{
if ( lookup_pending ) {
title = titleOfURL( text() );
if ( !title.isEmpty() )
pm = KonqPixmapProvider::self()->pixmapFor( text(), TDEIcon::SizeSmall );
else if ( text().find( "://" ) == -1 ) {
title = titleOfURL( "http://"+text() );
if ( !title.isEmpty() )
pm = KonqPixmapProvider::self()->pixmapFor( "http://"+text(), TDEIcon::SizeSmall );
else
pm = KonqPixmapProvider::self()->pixmapFor( text(), TDEIcon::SizeSmall );
}
else
pm = TQPixmap();
lookup_pending = false;
}
int itemHeight = height( listBox() );
int yPos, pmWidth = 0;
const TQPixmap *pm = pixmap();
if ( pm && ! pm->isNull() ) {
yPos = ( itemHeight - pm->height() ) / 2;
painter->drawPixmap( 3, yPos, *pm );
pmWidth = pm->width() + 5;
}
int entryWidth = listBox()->width() - listBox()->style().pixelMetric( TQStyle::PM_ScrollBarExtent ) -
2 * listBox()->style().pixelMetric( TQStyle::PM_DefaultFrameWidth );
int titleWidth = ( entryWidth / 3 ) - 1;
int urlWidth = entryWidth - titleWidth - pmWidth - 2;
if ( !text().isEmpty() ) {
TQString squeezedText = KStringHandler::rPixelSqueeze( text(), listBox()->fontMetrics(), urlWidth );
painter->drawText( pmWidth, 0, urlWidth + pmWidth, itemHeight,
Qt::AlignLeft | Qt::AlignTop, squeezedText );
//painter->setPen( TDEGlobalSettings::inactiveTextColor() );
squeezedText = KStringHandler::rPixelSqueeze( title, listBox()->fontMetrics(), titleWidth );
TQFont font = painter->font();
font.setItalic( true );
painter->setFont( font );
painter->drawText( entryWidth - titleWidth, 0, titleWidth,
itemHeight, Qt::AlignLeft | Qt::AlignTop, squeezedText );
}
}
int KonqComboListBoxPixmap::height( const TQListBox* lb ) const
{
int h;
if ( text().isEmpty() )
h = pm.height();
else
h = QMAX( pm.height(), lb->fontMetrics().lineSpacing() + 2 );
return QMAX( h, TQApplication::globalStrut().height() );
}
int KonqComboListBoxPixmap::width( const TQListBox* lb ) const
{
if ( text().isEmpty() )
return QMAX( pm.width() + 6, TQApplication::globalStrut().width() );
return QMAX( pm.width() + lb->fontMetrics().width( text() ) + 6,
TQApplication::globalStrut().width() );
}
int KonqComboListBoxPixmap::RTTI = 1003;
int KonqComboListBoxPixmap::rtti() const
{
return RTTI;
}
bool KonqComboListBoxPixmap::reuse( const TQString& newText )
{
if ( text() == newText )
return false;
lookup_pending = true;
setText( newText );
return true;
}
///////////////////////////////////////////////////////////////////////////////
KonqComboLineEdit::KonqComboLineEdit( TQWidget *parent, const char *name )
:KLineEdit( parent, name ) {}
void KonqComboLineEdit::setCompletedItems( const TQStringList& items )
{
TQString txt;
KonqComboCompletionBox *completionbox = static_cast<KonqComboCompletionBox*>( completionBox() );
if ( completionbox && completionbox->isVisible() )
// The popup is visible already - do the matching on the initial string,
// not on the currently selected one.
txt = completionbox->cancelledText();
else
txt = text();
if ( !items.isEmpty() && !(items.count() == 1 && txt == items.first()) ) {
if ( !completionBox( false ) )
setCompletionBox( new KonqComboCompletionBox( this, "completion box" ) );
if ( completionbox->isVisible() ) {
bool wasSelected = completionbox->isSelected( completionbox->currentItem() );
const TQString currentSelection = completionbox->currentText();
completionbox->setItems( items );
TQListBoxItem* item = completionbox->findItem( currentSelection, TQt::ExactMatch );
if( !item || !wasSelected )
{
wasSelected = false;
item = completionbox->item( 0 );
}
if ( item ) {
completionbox->blockSignals( true );
completionbox->setCurrentItem( item );
completionbox->setSelected( item, wasSelected );
completionbox->blockSignals( false );
}
}
else { // completion box not visible yet -> show it
if ( !txt.isEmpty() )
completionbox->setCancelledText( txt );
completionbox->setItems( items );
completionbox->popup();
}
if ( autoSuggest() ) {
int index = items.first().find( txt );
TQString newText = items.first().mid( index );
setUserSelection( false );
setCompletedText( newText, true );
}
}
else
if ( completionbox && completionbox->isVisible() )
completionbox->hide();
}
///////////////////////////////////////////////////////////////////////////////
KonqComboCompletionBox::KonqComboCompletionBox( TQWidget *parent, const char *name )
:TDECompletionBox( parent, name ) {}
void KonqComboCompletionBox::setItems( const TQStringList& items )
{
bool block = signalsBlocked();
blockSignals( true );
TQListBoxItem* item = firstItem();
if ( !item )
insertStringList( items );
else {
//Keep track of whether we need to change anything,
//so we can avoid a repaint for identical updates,
//to reduce flicker
bool dirty = false;
TQStringList::ConstIterator it = items.constBegin();
const TQStringList::ConstIterator itEnd = items.constEnd();
for ( ; it != itEnd; ++it) {
if ( item ) {
const bool changed = ((KonqComboListBoxPixmap*)item)->reuse( *it );
dirty = dirty || changed;
item = item->next();
}
else {
dirty = true;
//Inserting an item is a way of making this dirty
insertItem( new KonqComboListBoxPixmap( *it ) );
}
}
//If there is an unused item, mark as dirty -> less items now
if ( item )
dirty = true;
TQListBoxItem* tmp = item;
while ( (item = tmp ) ) {
tmp = item->next();
delete item;
}
if ( dirty )
triggerUpdate( false );
}
if ( isVisible() && size().height() != sizeHint().height() )
sizeAndPosition();
blockSignals( block );
// Trigger d->down_workaround = true within TDECompletionBox
TQStringList dummy;
TDECompletionBox::insertItems( dummy, 1 );
}
void KonqComboCompletionBox::insertStringList( const TQStringList & list, int index )
{
if ( index < 0 )
index = count();
for ( TQStringList::ConstIterator it = list.begin(); it != list.end(); ++it )
insertItem( new KonqComboListBoxPixmap( *it ), index++ );
}
#include "konq_combo.moc"
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