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420 lines
12 KiB
420 lines
12 KiB
/* This file is part of the KDE libraries
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Copyright (C) 2002 Carsten Pfeiffer <pfeiffer@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "ktextedit.h"
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#include <tqapplication.h>
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#include <tqclipboard.h>
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#include <tqpopupmenu.h>
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#include <ksyntaxhighlighter.h>
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#include <tdespell.h>
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#include <kcursor.h>
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#include <tdeglobalsettings.h>
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#include <tdestdaccel.h>
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#include <kiconloader.h>
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#include <tdelocale.h>
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class KTextEdit::KTextEditPrivate
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{
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public:
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KTextEditPrivate()
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: customPalette( false ),
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checkSpellingEnabled( false ),
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highlighter( 0 ),
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spell( 0 )
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{}
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~KTextEditPrivate() {
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delete highlighter;
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delete spell;
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}
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bool customPalette;
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bool checkSpellingEnabled;
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KDictSpellingHighlighter *highlighter;
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KSpell *spell;
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};
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KTextEdit::KTextEdit( const TQString& text, const TQString& context,
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TQWidget *parent, const char *name )
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: TQTextEdit ( text, context, parent, name )
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{
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d = new KTextEditPrivate();
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KCursor::setAutoHideCursor( this, true, false );
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}
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KTextEdit::KTextEdit( TQWidget *parent, const char *name )
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: TQTextEdit ( parent, name )
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{
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d = new KTextEditPrivate();
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KCursor::setAutoHideCursor( this, true, false );
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}
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KTextEdit::~KTextEdit()
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{
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delete d;
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}
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void KTextEdit::keyPressEvent( TQKeyEvent *e )
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{
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KKey key( e );
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if ( TDEStdAccel::copy().contains( key ) ) {
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copy();
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e->accept();
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return;
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}
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else if ( TDEStdAccel::paste().contains( key ) ) {
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paste();
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e->accept();
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return;
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}
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else if ( TDEStdAccel::cut().contains( key ) ) {
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cut();
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e->accept();
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return;
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}
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else if ( TDEStdAccel::undo().contains( key ) ) {
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undo();
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e->accept();
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return;
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}
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else if ( TDEStdAccel::redo().contains( key ) ) {
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redo();
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e->accept();
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return;
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}
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else if ( TDEStdAccel::deleteWordBack().contains( key ) )
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{
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deleteWordBack();
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e->accept();
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return;
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}
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else if ( TDEStdAccel::deleteWordForward().contains( key ) )
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{
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deleteWordForward();
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e->accept();
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return;
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}
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else if ( TDEStdAccel::backwardWord().contains( key ) )
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{
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CursorAction action = MoveWordBackward;
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int para, index;
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getCursorPosition( ¶, & index );
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if (text(para).isRightToLeft())
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action = MoveWordForward;
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moveCursor(action, false );
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e->accept();
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return;
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}
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else if ( TDEStdAccel::forwardWord().contains( key ) )
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{
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CursorAction action = MoveWordForward;
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int para, index;
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getCursorPosition( ¶, & index );
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if (text(para).isRightToLeft())
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action = MoveWordBackward;
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moveCursor( action, false );
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e->accept();
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return;
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}
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else if ( TDEStdAccel::next().contains( key ) )
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{
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moveCursor( MovePgDown, false );
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e->accept();
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return;
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}
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else if ( TDEStdAccel::prior().contains( key ) )
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{
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moveCursor( MovePgUp, false );
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e->accept();
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return;
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}
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else if ( TDEStdAccel::home().contains( key ) )
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{
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moveCursor( MoveHome, false );
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e->accept();
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return;
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}
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else if ( TDEStdAccel::end().contains( key ) )
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{
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moveCursor( MoveEnd, false );
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e->accept();
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return;
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}
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else if ( TDEStdAccel::beginningOfLine().contains( key ) )
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{
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moveCursor( MoveLineStart, false );
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e->accept();
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return;
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}
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else if ( TDEStdAccel::endOfLine().contains( key ) )
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{
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moveCursor(MoveLineEnd, false);
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e->accept();
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return;
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}
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else if ( TDEStdAccel::pasteSelection().contains( key ) )
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{
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TQString text = TQApplication::clipboard()->text( TQClipboard::Selection);
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if ( !text.isEmpty() )
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insert( text );
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e->accept();
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return;
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}
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// ignore Ctrl-Return so that KDialogs can close the dialog
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else if ( e->state() == ControlButton &&
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(e->key() == Key_Return || e->key() == Key_Enter) &&
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topLevelWidget()->inherits( "KDialog" ) )
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{
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e->ignore();
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return;
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}
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TQTextEdit::keyPressEvent( e );
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}
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void KTextEdit::deleteWordBack()
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{
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removeSelection();
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moveCursor( MoveWordBackward, true );
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removeSelectedText();
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}
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void KTextEdit::deleteWordForward()
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{
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removeSelection();
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moveCursor( MoveWordForward, true );
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removeSelectedText();
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}
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void KTextEdit::slotAllowTab()
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{
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setTabChangesFocus(!tabChangesFocus());
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}
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TQPopupMenu *KTextEdit::createPopupMenu( const TQPoint &pos )
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{
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enum { IdUndo, IdRedo, IdSep1, IdCut, IdCopy, IdPaste, IdClear, IdSep2, IdSelectAll };
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TQPopupMenu *menu = TQTextEdit::createPopupMenu( pos );
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if ( isReadOnly() )
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menu->changeItem( menu->idAt(0), SmallIconSet("editcopy"), menu->text( menu->idAt(0) ) );
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else {
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int id = menu->idAt(0);
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menu->changeItem( id - IdUndo, SmallIconSet("undo"), menu->text( id - IdUndo) );
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menu->changeItem( id - IdRedo, SmallIconSet("redo"), menu->text( id - IdRedo) );
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menu->changeItem( id - IdCut, SmallIconSet("editcut"), menu->text( id - IdCut) );
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menu->changeItem( id - IdCopy, SmallIconSet("editcopy"), menu->text( id - IdCopy) );
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menu->changeItem( id - IdPaste, SmallIconSet("editpaste"), menu->text( id - IdPaste) );
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menu->changeItem( id - IdClear, SmallIconSet("editclear"), menu->text( id - IdClear) );
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menu->insertSeparator();
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id = menu->insertItem( SmallIconSet( "spellcheck" ), i18n( "Check Spelling..." ),
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this, TQT_SLOT( checkSpelling() ) );
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if( text().isEmpty() )
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menu->setItemEnabled( id, false );
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id = menu->insertItem( i18n( "Auto Spell Check" ),
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this, TQT_SLOT( toggleAutoSpellCheck() ) );
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menu->setItemChecked(id, d->checkSpellingEnabled);
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menu->insertSeparator();
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id=menu->insertItem(i18n("Allow Tabulations"),this,TQT_SLOT(slotAllowTab()));
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menu->setItemChecked(id, !tabChangesFocus());
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}
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return menu;
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}
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TQPopupMenu *KTextEdit::createPopupMenu()
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{
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return TQTextEdit::createPopupMenu();
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}
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void KTextEdit::contentsWheelEvent( TQWheelEvent *e )
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{
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if ( TDEGlobalSettings::wheelMouseZooms() )
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TQTextEdit::contentsWheelEvent( e );
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else // thanks, we don't want to zoom, so skip QTextEdit's impl.
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TQScrollView::contentsWheelEvent( e );
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}
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void KTextEdit::setPalette( const TQPalette& palette )
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{
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TQTextEdit::setPalette( palette );
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// unsetPalette() is not virtual and calls setPalette() as well
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// so we can use ownPalette() to find out about unsetting
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d->customPalette = ownPalette();
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}
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void KTextEdit::toggleAutoSpellCheck()
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{
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setCheckSpellingEnabled( !d->checkSpellingEnabled );
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}
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void KTextEdit::setCheckSpellingEnabled( bool check )
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{
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if ( check == d->checkSpellingEnabled )
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return;
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// From the above statment we know know that if we're turning checking
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// on that we need to create a new highlighter and if we're turning it
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// off we should remove the old one.
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d->checkSpellingEnabled = check;
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if ( check )
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{
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if (hasFocus())
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d->highlighter = new KDictSpellingHighlighter( this );
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}
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else
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{
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delete d->highlighter;
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d->highlighter = 0;
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}
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}
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void KTextEdit::focusInEvent( TQFocusEvent *e )
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{
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if ( d->checkSpellingEnabled && !isReadOnly() && !d->highlighter )
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d->highlighter = new KDictSpellingHighlighter( this );
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TQTextEdit::focusInEvent( e );
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}
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bool KTextEdit::checkSpellingEnabled() const
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{
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return d->checkSpellingEnabled;
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}
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void KTextEdit::setReadOnly(bool readOnly)
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{
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if ( !readOnly && hasFocus() && d->checkSpellingEnabled && !d->highlighter )
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d->highlighter = new KDictSpellingHighlighter( this );
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if ( readOnly == isReadOnly() )
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return;
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if (readOnly)
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{
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delete d->highlighter;
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d->highlighter = 0;
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bool custom = ownPalette();
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TQPalette p = palette();
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TQColor color = p.color(TQPalette::Disabled, TQColorGroup::Background);
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p.setColor(TQColorGroup::Base, color);
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p.setColor(TQColorGroup::Background, color);
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setPalette(p);
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d->customPalette = custom;
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}
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else
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{
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if ( d->customPalette )
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{
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TQPalette p = palette();
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TQColor color = p.color(TQPalette::Normal, TQColorGroup::Base);
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p.setColor(TQColorGroup::Base, color);
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p.setColor(TQColorGroup::Background, color);
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setPalette( p );
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}
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else
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unsetPalette();
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}
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TQTextEdit::setReadOnly (readOnly);
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}
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void KTextEdit::virtual_hook( int, void* )
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{ /*BASE::virtual_hook( id, data );*/ }
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void KTextEdit::checkSpelling()
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{
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delete d->spell;
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d->spell = new KSpell( this, i18n( "Spell Checking" ),
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TQT_TQOBJECT(this), TQT_SLOT( slotSpellCheckReady( KSpell *) ), 0, true, true);
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connect( d->spell, TQT_SIGNAL( death() ),
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this, TQT_SLOT( spellCheckerFinished() ) );
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connect( d->spell, TQT_SIGNAL( misspelling( const TQString &, const TQStringList &, unsigned int ) ),
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this, TQT_SLOT( spellCheckerMisspelling( const TQString &, const TQStringList &, unsigned int ) ) );
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connect( d->spell, TQT_SIGNAL( corrected( const TQString &, const TQString &, unsigned int ) ),
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this, TQT_SLOT( spellCheckerCorrected( const TQString &, const TQString &, unsigned int ) ) );
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}
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void KTextEdit::spellCheckerMisspelling( const TQString &text, const TQStringList &, unsigned int pos )
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{
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highLightWord( text.length(), pos );
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}
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void KTextEdit::spellCheckerCorrected( const TQString &oldWord, const TQString &newWord, unsigned int pos )
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{
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unsigned int l = 0;
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unsigned int cnt = 0;
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if ( oldWord != newWord ) {
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posToRowCol( pos, l, cnt );
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setSelection( l, cnt, l, cnt + oldWord.length() );
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removeSelectedText();
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insert( newWord );
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}
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}
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void KTextEdit::posToRowCol(unsigned int pos, unsigned int &line, unsigned int &col)
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{
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for ( line = 0; line < static_cast<uint>( lines() ) && col <= pos; line++ )
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col += paragraphLength( line ) + 1;
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line--;
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col = pos - col + paragraphLength( line ) + 1;
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}
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void KTextEdit::spellCheckerFinished()
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{
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delete d->spell;
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d->spell = 0L;
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}
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void KTextEdit::slotSpellCheckReady( KSpell *s )
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{
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s->check( text() );
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connect( s, TQT_SIGNAL( done( const TQString & ) ), this, TQT_SLOT( slotSpellCheckDone( const TQString & ) ) );
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}
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void KTextEdit::slotSpellCheckDone( const TQString &s )
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{
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if ( s != text() )
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setText( s );
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}
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void KTextEdit::highLightWord( unsigned int length, unsigned int pos )
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{
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unsigned int l = 0;
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unsigned int cnt = 0;
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posToRowCol( pos, l, cnt );
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setSelection( l, cnt, l, cnt + length );
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}
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#include "ktextedit.moc"
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