1 files changed, 174 insertions, 0 deletions
diff --git a/lib/kformula/symbolaction.cpp b/lib/kformula/symbolaction.cpp
new file mode 100644
index 000000000..8fe3d8f8a
--- /dev/null
+++ b/lib/kformula/symbolaction.cpp
@@ -0,0 +1,174 @@
+/* This file is part of the KDE project
+   Copyright (C) 2002 Heinrich Kuettler <heinrich.kuettler@gmx.de>
+
+   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 <tqlistbox.h>
+#include <tqpainter.h>
+
+#include <tdeapplication.h>
+#include <kcombobox.h>
+#include <tdeglobalsettings.h>
+#include <tdetoolbar.h>
+#include <kdebug.h>
+
+#include "symbolaction.h"
+
+/*
+ * The items for the SymbolCombos. *
+ */
+
+KFORMULA_NAMESPACE_BEGIN
+
+class SymbolComboItem : public TQListBoxItem
+{
+public:
+    SymbolComboItem( const TQString&, const TQFont& , TQChar, TQComboBox* combo );
+    virtual ~SymbolComboItem();
+
+    virtual int width( const TQListBox* ) const;
+    virtual int height( const TQListBox* ) const;
+
+protected:
+    virtual void paint( TQPainter *p );
+
+private:
+    TQComboBox *m_combo;
+    TQString m_name;
+    TQFont m_font;
+    TQChar m_symbol;
+
+    static int widest;
+};
+
+int SymbolComboItem::widest = 0;
+
+SymbolComboItem::SymbolComboItem( const TQString &name, const TQFont& font, 
+                                  TQChar symbol, TQComboBox *combo )
+    : TQListBoxItem( combo->listBox() ),
+      m_combo( combo ),
+      m_name( name ),
+      m_font( font ),
+      m_symbol( symbol )
+{
+    setText( name );
+    int charWidth = TQFontMetrics( m_font ).width( TQChar( m_symbol ) );
+    widest = TQMAX( widest, charWidth );
+}
+
+SymbolComboItem::~SymbolComboItem()
+{
+}
+
+int SymbolComboItem::width( const TQListBox * /*lb*/ ) const
+{
+    return widest + TQFontMetrics( TDEGlobalSettings::generalFont() ).width( text() ) + 12;
+}
+
+int SymbolComboItem::height( const TQListBox * /*lb*/ ) const
+{
+    int generalHeight = TQFontMetrics( TDEGlobalSettings::generalFont() ).lineSpacing();
+    int fontHeight = TQFontMetrics( m_font ).lineSpacing();
+    return TQMAX( generalHeight, fontHeight ) + 2;
+}
+
+void SymbolComboItem::paint( TQPainter *p )
+{
+    p->setFont( m_font );
+    TQFontMetrics fm( p->fontMetrics() );
+    p->drawText( 3, fm.ascent() + fm.leading() / 2,
+                 TQString( "%1" ).arg( TQChar( m_symbol ) ) );
+
+    p->setFont( TDEGlobalSettings::generalFont() );
+    fm = p->fontMetrics();
+    p->drawText( widest + 6, height( m_combo->listBox() ) / 2 + fm.strikeOutPos(), m_name );
+}
+
+/*
+ * The symbol action *
+ */
+SymbolAction::SymbolAction( TQObject* parent, const char* name )
+    : TDESelectAction( parent, name )
+{
+    setEditable( FALSE );
+}
+
+SymbolAction::SymbolAction( const TQString& text, const TDEShortcut& cut,
+                            const TQObject* receiver, const char* slot,
+                            TQObject* parent, const char* name )
+    : TDESelectAction( text, cut, receiver, slot, parent, name )
+{
+    setEditable( FALSE );
+}
+
+int SymbolAction::plug( TQWidget* w, int index )
+{
+    if (kapp && !kapp->authorizeTDEAction(name()))
+        return -1;
+    if ( w->inherits( "TDEToolBar" ) )
+    {
+        TDEToolBar* bar = static_cast<TDEToolBar*>( w );
+        int id_ = TDEAction::getToolButtonID();
+        KComboBox *cb = new KComboBox( bar );
+        connect( cb, TQT_SIGNAL( activated( const TQString & ) ),
+                 TQT_SLOT( slotActivated( const TQString & ) ) );
+        cb->setEnabled( isEnabled() );
+        bar->insertWidget( id_, comboWidth(), cb, index );
+        cb->setMinimumWidth( cb->sizeHint().width() );
+
+        addContainer( bar, id_ );
+
+        connect( bar, TQT_SIGNAL( destroyed() ), this, TQT_SLOT( slotDestroyed() ) );
+
+        updateItems( containerCount() - 1 );
+
+        return containerCount() - 1;
+    }
+    else return TDESelectAction::plug( w, index );
+}
+
+void SymbolAction::setSymbols( const TQStringList &names,
+                               const TQFont& font,
+                               const TQMemArray<TQChar>& chars )
+{
+    m_chars = chars;
+    m_font = font;
+    setItems( names );
+
+    int len = containerCount();
+    for ( int i = 0; i < len; ++i )
+        updateItems( i );
+}
+
+void SymbolAction::updateItems( int id )
+{
+    TQWidget *w = container( id );
+    if ( w->inherits( "TDEToolBar" ) ) {
+        TQWidget *r = static_cast<TDEToolBar*>( w )->getWidget( itemId( id ) );
+        if ( r->inherits( TQCOMBOBOX_OBJECT_NAME_STRING ) ) {
+            TQComboBox *cb = static_cast<TQComboBox*>( r );
+            cb->clear();
+
+            for( uint i = 0; i < items().count(); ++i ) {
+                new SymbolComboItem( *items().at( i ), m_font, m_chars.at( i ), cb );
+            }
+            cb->setMinimumWidth( cb->sizeHint().width() );
+        }
+    }
+}
+
+KFORMULA_NAMESPACE_END