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/* This file was part of the SpeedCrunch project
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Copyright (C) 2004,2005 Ariya Hidayat <ariya@kde.org>
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And is now part of abakus.
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Copyright (c) 2005 Michael Pyne <michael.pyne@kdemail.net>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "function.h"
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#include "valuemanager.h"
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#include "editor.h"
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#include "evaluator.h"
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#include "result.h"
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#include <tqapplication.h>
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#include <tqlabel.h>
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#include <tqlineedit.h>
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#include <tqlistbox.h>
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#include <tqpainter.h>
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#include <tqregexp.h>
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#include <tqstringlist.h>
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#include <tqstyle.h>
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#include <tqsyntaxhighlighter.h>
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#include <tqtimer.h>
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#include <tqtooltip.h>
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#include <tqmessagebox.h>
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#include <tqvbox.h>
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#include <netwm.h>
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#include <fixx11h.h> // netwm.h includes X11 headers which conflict with qevent
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#include <tqevent.h>
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#include <kdebug.h>
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#include <algorithm>
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// XXX: QT 4: Replace this with qBinaryFind().
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using std::binary_search;
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class CalcResultLabel : public TQLabel
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{
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public:
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CalcResultLabel(TQWidget *parent, const char *name, int WFlags) :
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TQLabel(parent, name, WFlags)
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{
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}
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protected:
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virtual void mousePressEvent(TQMouseEvent *)
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{
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hide();
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}
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};
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class EditorHighlighter : public TQSyntaxHighlighter
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{
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public:
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EditorHighlighter( Editor* );
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int highlightParagraph ( const TQString & text, int );
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private:
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Editor* editor;
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};
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class Editor::Private
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{
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public:
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Evaluator* eval;
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TQStringList history;
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int index;
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bool autoCompleteEnabled;
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EditorCompletion* completion;
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TQTimer* completionTimer;
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bool autoCalcEnabled;
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char format;
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int decimalDigits;
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TQTimer* autoCalcTimer;
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TQLabel* autoCalcLabel;
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bool syntaxHighlightEnabled;
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EditorHighlighter* highlighter;
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TQMap<ColorType,TQColor> highlightColors;
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TQTimer* matchingTimer;
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};
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class EditorCompletion::Private
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{
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public:
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Editor* editor;
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TQVBox *completionPopup;
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TQListBox *completionListBox;
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};
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class ChoiceItem: public TQListBoxText
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{
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public:
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ChoiceItem( TQListBox*, const TQString& );
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void setMinNameWidth (int w) { minNameWidth = w; }
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int nameWidth() const;
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protected:
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void paint( TQPainter* p );
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private:
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TQString item;
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TQString desc;
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int minNameWidth;
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};
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ChoiceItem::ChoiceItem( TQListBox* listBox, const TQString& text ):
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TQListBoxText( listBox, text ), minNameWidth(0)
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{
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TQStringList list = TQStringList::split( ':', text );
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if( list.count() ) item = list[0];
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if( list.count()>1 ) desc = list[1];
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}
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// Returns width of this particular list item's name.
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int ChoiceItem::nameWidth() const
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{
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if(item.isEmpty())
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return 0;
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TQFontMetrics fm = listBox()->fontMetrics();
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return fm.width( item );
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}
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void ChoiceItem::paint( TQPainter* painter )
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{
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int itemHeight = height( listBox() );
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TQFontMetrics fm = painter->fontMetrics();
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int yPos = ( ( itemHeight - fm.height() ) / 2 ) + fm.ascent();
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painter->drawText( 3, yPos, item );
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//int xPos = fm.width( item );
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int xPos = TQMAX(fm.width(item), minNameWidth);
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if( !isSelected() )
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painter->setPen( listBox()->tqpalette().disabled().text().dark() );
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painter->drawText( 10 + xPos, yPos, desc );
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}
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EditorHighlighter::EditorHighlighter( Editor* e ):
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TQSyntaxHighlighter( e )
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{
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editor = e;
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}
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int EditorHighlighter::highlightParagraph ( const TQString & text, int )
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{
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if( !editor->isSyntaxHighlightEnabled() )
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{
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setFormat( 0, text.length(), editor->colorGroup().text() );
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return 0;
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}
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TQStringList fnames = FunctionManager::instance()->functionList(FunctionManager::All);
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fnames.sort(); // Sort list so we can bin search it.
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Tokens tokens = Evaluator::scan( text );
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for( unsigned i = 0; i < tokens.count(); i++ )
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{
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Token& token = tokens[i];
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TQString text = token.text().lower();
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TQFont font = editor->font();
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TQColor color = TQt::black;
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switch( token.type() )
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{
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case Token::Number:
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color = editor->highlightColor( Editor::Number );
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break;
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case Token::Identifier:
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{
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color = editor->highlightColor( Editor::Variable );
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#ifndef QT_NO_STL
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if( binary_search( fnames.constBegin(), fnames.constEnd(), text) ) {
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#else // QT_NO_STL
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#warning "Not using STL libraries; performance may be degraded..."
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if( fnames.find( text) != fnames.end()) {
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#endif // QT_NO_STL
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color = editor->highlightColor( Editor::FunctionName );
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}
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}
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break;
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case Token::Operator:
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break;
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default: break;
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};
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if( token.pos() >= 0 ) {
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setFormat( token.pos(), token.text().length(), font, color );
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}
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}
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return 0;
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}
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Editor::Editor( TQWidget* parent, const char* name ):
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TQTextEdit( parent, name )
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{
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d = new Private;
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d->eval = 0;
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d->index = 0;
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d->autoCompleteEnabled = true;
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d->completion = new EditorCompletion( this );
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d->completionTimer = new TQTimer( this );
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d->autoCalcEnabled = true;
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d->syntaxHighlightEnabled = true;
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d->highlighter = new EditorHighlighter( this );
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d->autoCalcTimer = new TQTimer( this );
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d->matchingTimer = new TQTimer( this );
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setSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Fixed );
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setWordWrap( NoWrap );
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setHScrollBarMode( AlwaysOff );
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setVScrollBarMode( AlwaysOff );
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setTextFormat( PlainText );
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setAutoFormatting( AutoNone );
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setTabChangesFocus( true );
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setLinkUnderline( false );
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connect( d->completion, TQT_SIGNAL( selectedCompletion( const TQString& ) ),
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TQT_SLOT( autoComplete( const TQString& ) ) );
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connect( this, TQT_SIGNAL( textChanged() ), TQT_SLOT( checkAutoComplete() ) );
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connect( d->completionTimer, TQT_SIGNAL( timeout() ), TQT_SLOT( triggerAutoComplete() ) );
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connect( this, TQT_SIGNAL( textChanged() ), TQT_SLOT( checkMatching() ) );
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connect( d->matchingTimer, TQT_SIGNAL( timeout() ), TQT_SLOT( doMatchingLeft() ) );
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connect( d->matchingTimer, TQT_SIGNAL( timeout() ), TQT_SLOT( doMatchingRight() ) );
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connect( this, TQT_SIGNAL( textChanged() ), TQT_SLOT( checkAutoCalc() ) );
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connect( d->autoCalcTimer, TQT_SIGNAL( timeout() ), TQT_SLOT( autoCalc() ) );
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d->autoCalcLabel = new CalcResultLabel( 0, "autocalc", WStyle_StaysOnTop |
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WStyle_Customize | WStyle_NoBorder | WStyle_Tool | WX11BypassWM );
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d->autoCalcLabel->setFrameStyle( TQFrame::Plain | TQFrame::Box );
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d->autoCalcLabel->setPalette( TQToolTip::palette() );
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d->autoCalcLabel->hide();
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setHighlightColor( Number, TQColor(0,0,127) );
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setHighlightColor( FunctionName, TQColor(85,0,0) );
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setHighlightColor( Variable, TQColor(0,85,0) );
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setHighlightColor( MatchedPar, TQColor(255,255,183) );
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}
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Editor::~Editor()
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{
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d->autoCalcLabel->hide();
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delete d;
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}
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TQSize Editor::sizeHint() const
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{
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constPolish();
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TQFontMetrics fm = fontMetrics();
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int h = TQMAX(fm.lineSpacing(), 14);
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int w = fm.width( 'x' ) * 20;
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int m = frameWidth() * 2;
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return( tqstyle().tqsizeFromContents(TQStyle::CT_LineEdit, this,
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TQSize( w + m, h + m + 4 ).
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expandedTo(TQApplication::globalStrut())));
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}
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TQStringList Editor::history() const
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{
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return d->history;
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}
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void Editor::setHistory( const TQStringList& h )
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{
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d->history = h;
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d->index = d->history.count();
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}
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bool Editor::autoCompleteEnabled() const
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{
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return d->autoCompleteEnabled;
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}
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void Editor::setAutoCompleteEnabled( bool enable )
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{
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d->autoCompleteEnabled = enable;
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}
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bool Editor::autoCalcEnabled() const
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{
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return d->autoCalcEnabled;
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}
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void Editor::setAutoCalcEnabled( bool enable )
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{
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d->autoCalcEnabled = enable;
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}
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void Editor::setFormat( char format )
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{
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d->format = format;
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}
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void Editor::setDecimalDigits( int digits )
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{
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d->decimalDigits = digits;
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}
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void Editor::appendHistory( const TQString& text )
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{
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if( text.isEmpty() ) return;
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TQString lastText;
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if( d->history.count() )
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lastText = d->history[ d->history.count()-1 ];
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if( text == lastText ) return;
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d->history.append( text );
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d->index = d->history.count()-1;
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}
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void Editor::clearHistory()
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{
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d->history.clear();
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d->index = 0;
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}
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void Editor::squelchNextAutoCalc()
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{
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d->autoCalcTimer->stop();
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}
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void Editor::setText(const TQString &txt)
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{
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TQTextEdit::setText(txt);
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squelchNextAutoCalc();
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}
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void Editor::checkAutoComplete()
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{
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if( !d->autoCompleteEnabled ) return;
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d->completionTimer->stop();
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d->completionTimer->start( 500, true );
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}
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void Editor::checkMatching()
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{
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if( !d->syntaxHighlightEnabled ) return;
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d->matchingTimer->stop();
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d->matchingTimer->start( 200, true );
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}
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void Editor::checkAutoCalc()
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{
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// Calc-As-You-Type
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if( !d->autoCalcEnabled ) return;
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d->autoCalcTimer->stop();
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d->autoCalcTimer->start( 1000, true );
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d->autoCalcLabel->hide();
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}
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void Editor::doMatchingLeft()
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{
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if( !d->syntaxHighlightEnabled ) return;
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// tokenize the expression
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int para = 0, curPos = 0;
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getCursorPosition( ¶, &curPos );
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// check for right par
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TQString subtext = text().left( curPos );
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Tokens tokens = Evaluator::scan( subtext );
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if( !tokens.valid() ) return;
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if( tokens.count()<1 ) return;
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Token lastToken = tokens[ tokens.count()-1 ];
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// right par ?
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if( lastToken.isOperator() )
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if( lastToken.asOperator() == Token::RightPar )
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if( lastToken.pos() == curPos-1 )
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{
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// find the matching left par
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unsigned par = 1;
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|
|
int k = 0;
|
|
|
|
Token matchToken;
|
|
|
|
int matchPos = -1;
|
|
|
|
|
|
|
|
for( k = tokens.count()-2; k >= 0; k-- )
|
|
|
|
{
|
|
|
|
if( par < 1 ) break;
|
|
|
|
Token matchToken = tokens[k];
|
|
|
|
if( matchToken.isOperator() )
|
|
|
|
{
|
|
|
|
if( matchToken.asOperator() == Token::RightPar )
|
|
|
|
par++;
|
|
|
|
if( matchToken.asOperator() == Token::LeftPar )
|
|
|
|
par--;
|
|
|
|
if( par == 0 ) matchPos = matchToken.pos();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if( matchPos >= 0 )
|
|
|
|
{
|
|
|
|
setSelection( 0, matchPos, 0, matchPos+1, 2 );
|
|
|
|
setSelection( 0, lastToken.pos(), 0, lastToken.pos()+1, 1 );
|
|
|
|
setCursorPosition( para, curPos );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void Editor::doMatchingRight()
|
|
|
|
{
|
|
|
|
if( !d->syntaxHighlightEnabled ) return;
|
|
|
|
|
|
|
|
// tokenize the expression
|
|
|
|
int para = 0, curPos = 0;
|
|
|
|
getCursorPosition( ¶, &curPos );
|
|
|
|
|
|
|
|
// check for left par
|
|
|
|
TQString subtext = text().right( text().length() - curPos );
|
|
|
|
Tokens tokens = Evaluator::scan( subtext );
|
|
|
|
if( !tokens.valid() ) return;
|
|
|
|
if( tokens.count()<1 ) return;
|
|
|
|
Token firstToken = tokens[ 0 ];
|
|
|
|
|
|
|
|
// left par ?
|
|
|
|
if( firstToken.isOperator() )
|
|
|
|
if( firstToken.asOperator() == Token::LeftPar )
|
|
|
|
if( firstToken.pos() == 0 )
|
|
|
|
{
|
|
|
|
// find the matching right par
|
|
|
|
unsigned par = 1;
|
|
|
|
unsigned int k = 0;
|
|
|
|
Token matchToken;
|
|
|
|
int matchPos = -1;
|
|
|
|
|
|
|
|
for( k = 1; k < tokens.count(); k++ )
|
|
|
|
{
|
|
|
|
if( par < 1 ) break;
|
|
|
|
Token matchToken = tokens[k];
|
|
|
|
if( matchToken.isOperator() )
|
|
|
|
{
|
|
|
|
if( matchToken.asOperator() == Token::LeftPar )
|
|
|
|
par++;
|
|
|
|
if( matchToken.asOperator() == Token::RightPar )
|
|
|
|
par--;
|
|
|
|
if( par == 0 ) matchPos = matchToken.pos();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if( matchPos >= 0 )
|
|
|
|
{
|
|
|
|
setSelection( 0, curPos+matchPos, 0, curPos+matchPos+1, 2 );
|
|
|
|
setSelection( 0, curPos+firstToken.pos(), 0, curPos+firstToken.pos()+1, 1 );
|
|
|
|
setCursorPosition( para, curPos );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
void Editor::triggerAutoComplete()
|
|
|
|
{
|
|
|
|
if( !d->autoCompleteEnabled ) return;
|
|
|
|
|
|
|
|
// tokenize the expression (don't worry, this is very fast)
|
|
|
|
// faster now that it uses flex. ;)
|
|
|
|
int para = 0, curPos = 0;
|
|
|
|
getCursorPosition( ¶, &curPos );
|
|
|
|
TQString subtext = text().left( curPos );
|
|
|
|
Tokens tokens = Evaluator::scan( subtext );
|
|
|
|
if(!tokens.valid())
|
|
|
|
{
|
|
|
|
kdWarning() << "invalid tokens.\n";
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(tokens.isEmpty() || subtext.endsWith(" "))
|
|
|
|
return;
|
|
|
|
|
|
|
|
Token lastToken = tokens[ tokens.count()-1 ];
|
|
|
|
|
|
|
|
// last token must be an identifier
|
|
|
|
if( !lastToken.isIdentifier() )
|
|
|
|
return;
|
|
|
|
|
|
|
|
TQString id = lastToken.text();
|
|
|
|
if( id.isEmpty() )
|
|
|
|
return;
|
|
|
|
|
|
|
|
// find matches in function names
|
|
|
|
TQStringList fnames = FunctionManager::instance()->functionList(FunctionManager::All);
|
|
|
|
TQStringList choices;
|
|
|
|
|
|
|
|
for( unsigned i=0; i<fnames.count(); i++ )
|
|
|
|
if( fnames[i].startsWith( id, false ) )
|
|
|
|
{
|
|
|
|
TQString str = fnames[i];
|
|
|
|
|
|
|
|
::Function* f = FunctionManager::instance()->function( str );
|
|
|
|
if( f && !f->description.isEmpty() )
|
|
|
|
str.append( ':' ).append( f->description );
|
|
|
|
|
|
|
|
choices.append( str );
|
|
|
|
}
|
|
|
|
|
|
|
|
choices.sort();
|
|
|
|
|
|
|
|
// find matches in variables names
|
|
|
|
TQStringList vchoices;
|
|
|
|
TQStringList values = ValueManager::instance()->valueNames();
|
|
|
|
|
|
|
|
for(TQStringList::ConstIterator it = values.begin(); it != values.end(); ++it)
|
|
|
|
if( (*it).startsWith( id, false ) )
|
|
|
|
{
|
|
|
|
TQString choice = ValueManager::description(*it);
|
|
|
|
if(choice.isEmpty())
|
|
|
|
choice = ValueManager::instance()->value(*it).toString();
|
|
|
|
|
|
|
|
vchoices.append( TQString("%1:%2").tqarg( *it, choice ) );
|
|
|
|
}
|
|
|
|
|
|
|
|
vchoices.sort();
|
|
|
|
choices += vchoices;
|
|
|
|
|
|
|
|
// no match, don't bother with completion
|
|
|
|
if( !choices.count() ) return;
|
|
|
|
|
|
|
|
// one match, complete it for the user
|
|
|
|
if( choices.count()==1 )
|
|
|
|
{
|
|
|
|
TQString str = TQStringList::split( ':', choices[0] )[0];
|
|
|
|
|
|
|
|
// single perfect match, no need to give choices.
|
|
|
|
if(str == id.lower())
|
|
|
|
return;
|
|
|
|
|
|
|
|
str = str.remove( 0, id.length() );
|
|
|
|
int para = 0, curPos = 0;
|
|
|
|
getCursorPosition( ¶, &curPos );
|
|
|
|
blockSignals( true );
|
|
|
|
insert( str );
|
|
|
|
setSelection( 0, curPos, 0, curPos+str.length() );
|
|
|
|
blockSignals( false );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// present the user with completion choices
|
|
|
|
d->completion->showCompletion( choices );
|
|
|
|
}
|
|
|
|
|
|
|
|
void Editor::autoComplete( const TQString& item )
|
|
|
|
{
|
|
|
|
if( !d->autoCompleteEnabled || item.isEmpty() )
|
|
|
|
return;
|
|
|
|
|
|
|
|
int para = 0, curPos = 0;
|
|
|
|
getCursorPosition( ¶, &curPos );
|
|
|
|
|
|
|
|
TQString subtext = text().left( curPos );
|
|
|
|
Tokens tokens = Evaluator::scan( subtext );
|
|
|
|
|
|
|
|
if( !tokens.valid() || tokens.count() < 1 )
|
|
|
|
return;
|
|
|
|
|
|
|
|
Token lastToken = tokens[ tokens.count()-1 ];
|
|
|
|
if( !lastToken.isIdentifier() )
|
|
|
|
return;
|
|
|
|
|
|
|
|
TQStringList str = TQStringList::split( ':', item );
|
|
|
|
|
|
|
|
blockSignals( true );
|
|
|
|
setSelection( 0, lastToken.pos(), 0, lastToken.pos()+lastToken.text().length() );
|
|
|
|
insert( str[0] );
|
|
|
|
blockSignals( false );
|
|
|
|
}
|
|
|
|
|
|
|
|
void Editor::autoCalc()
|
|
|
|
{
|
|
|
|
if( !d->autoCalcEnabled )
|
|
|
|
return;
|
|
|
|
|
|
|
|
TQString str = Evaluator::autoFix( text() );
|
|
|
|
if( str.isEmpty() )
|
|
|
|
return;
|
|
|
|
|
|
|
|
// too short? do not bother...
|
|
|
|
Tokens tokens = Evaluator::scan( str );
|
|
|
|
if( tokens.count() < 2 )
|
|
|
|
return;
|
|
|
|
|
|
|
|
// If we're using set for a function don't try.
|
|
|
|
TQRegExp setFn("\\s*set.*\\(.*=");
|
|
|
|
if( str.find(setFn) != -1 )
|
|
|
|
return;
|
|
|
|
|
|
|
|
// strip off assignment operator, e.g. "x=1+2" becomes "1+2" only
|
|
|
|
// the reason is that we want only to evaluate (on the fly) the expression,
|
|
|
|
// not to update (put the result in) the variable
|
|
|
|
if( tokens.count() > 2 && tokens[0].isIdentifier() &&
|
|
|
|
tokens[1].asOperator() == Token::Equal )
|
|
|
|
{
|
|
|
|
Tokens::const_iterator it = tokens.begin();
|
|
|
|
++it;
|
|
|
|
++it; // Skip first two tokens.
|
|
|
|
|
|
|
|
// Reconstruct string to evaluate using the tokens.
|
|
|
|
str = "";
|
|
|
|
while(it != tokens.end())
|
|
|
|
{
|
|
|
|
str += (*it).text();
|
|
|
|
str += ' ';
|
|
|
|
++it;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
Abakus::number_t result = parseString(str.latin1());
|
|
|
|
if( Result::lastResult()->type() == Result::Value )
|
|
|
|
{
|
|
|
|
TQString ss = TQString("Result: <b>%2</b>").tqarg(result.toString());
|
|
|
|
d->autoCalcLabel->setText( ss );
|
|
|
|
d->autoCalcLabel->adjustSize();
|
|
|
|
|
|
|
|
// reposition nicely
|
|
|
|
TQPoint pos = mapToGlobal( TQPoint( 0, 0 ) );
|
|
|
|
pos.setY( pos.y() - d->autoCalcLabel->height() - 1 );
|
|
|
|
d->autoCalcLabel->move( pos );
|
|
|
|
d->autoCalcLabel->show();
|
|
|
|
d->autoCalcLabel->raise();
|
|
|
|
|
|
|
|
// do not show it forever
|
|
|
|
TQTimer::singleShot( 5000, d->autoCalcLabel, TQT_SLOT( hide()) );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// invalid expression
|
|
|
|
d->autoCalcLabel->hide();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
TQString Editor::formatNumber( const Abakus::number_t &value ) const
|
|
|
|
{
|
|
|
|
return value.toString();
|
|
|
|
}
|
|
|
|
|
|
|
|
void Editor::historyBack()
|
|
|
|
{
|
|
|
|
if( d->history.isEmpty() )
|
|
|
|
return;
|
|
|
|
|
|
|
|
d->index--;
|
|
|
|
|
|
|
|
if( d->index < 0 )
|
|
|
|
d->index = 0;
|
|
|
|
|
|
|
|
setText( d->history[ d->index ] );
|
|
|
|
setCursorPosition( 0, text().length() );
|
|
|
|
ensureCursorVisible();
|
|
|
|
}
|
|
|
|
|
|
|
|
void Editor::historyForward()
|
|
|
|
{
|
|
|
|
if( d->history.isEmpty() )
|
|
|
|
return;
|
|
|
|
|
|
|
|
d->index++;
|
|
|
|
|
|
|
|
if( d->index >= (int) d->history.count() )
|
|
|
|
d->index = d->history.count() - 1;
|
|
|
|
|
|
|
|
setText( d->history[ d->index ] );
|
|
|
|
setCursorPosition( 0, text().length() );
|
|
|
|
ensureCursorVisible();
|
|
|
|
}
|
|
|
|
|
|
|
|
void Editor::keyPressEvent( TQKeyEvent* e )
|
|
|
|
{
|
|
|
|
if( e->key() == Key_Up )
|
|
|
|
{
|
|
|
|
historyBack();
|
|
|
|
e->accept();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( e->key() == Key_Down )
|
|
|
|
{
|
|
|
|
historyForward();
|
|
|
|
e->accept();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( e->key() == Key_Enter || e->key() == Key_Return )
|
|
|
|
{
|
|
|
|
emit returnPressed();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( e->key() == Key_Left ||
|
|
|
|
e->key() == Key_Right ||
|
|
|
|
e->key() == Key_Home ||
|
|
|
|
e->key() == Key_End )
|
|
|
|
{
|
|
|
|
checkMatching();
|
|
|
|
}
|
|
|
|
|
|
|
|
TQTextEdit::keyPressEvent( e );
|
|
|
|
}
|
|
|
|
|
|
|
|
void Editor::wheelEvent( TQWheelEvent *e )
|
|
|
|
{
|
|
|
|
if( e->delta() > 0 )
|
|
|
|
historyBack();
|
|
|
|
else if( e->delta() < 0 )
|
|
|
|
historyForward();
|
|
|
|
|
|
|
|
e->accept();
|
|
|
|
}
|
|
|
|
|
|
|
|
void Editor::setSyntaxHighlight( bool enable )
|
|
|
|
{
|
|
|
|
d->syntaxHighlightEnabled = enable;
|
|
|
|
d->highlighter->rehighlight();
|
|
|
|
}
|
|
|
|
|
|
|
|
bool Editor::isSyntaxHighlightEnabled() const
|
|
|
|
{
|
|
|
|
return d->syntaxHighlightEnabled;
|
|
|
|
}
|
|
|
|
|
|
|
|
void Editor::setHighlightColor( ColorType type, TQColor color )
|
|
|
|
{
|
|
|
|
d->highlightColors[ type ] = color;
|
|
|
|
|
|
|
|
setSelectionAttributes( 1, highlightColor( Editor::MatchedPar ), false );
|
|
|
|
setSelectionAttributes( 2, highlightColor( Editor::MatchedPar ), false );
|
|
|
|
|
|
|
|
d->highlighter->rehighlight();
|
|
|
|
}
|
|
|
|
|
|
|
|
TQColor Editor::highlightColor( ColorType type )
|
|
|
|
{
|
|
|
|
return d->highlightColors[ type ];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
EditorCompletion::EditorCompletion( Editor* editor ): TQObject( editor )
|
|
|
|
{
|
|
|
|
d = new Private;
|
|
|
|
d->editor = editor;
|
|
|
|
|
|
|
|
d->completionPopup = new TQVBox( editor->topLevelWidget(), 0, WType_Popup );
|
|
|
|
d->completionPopup->setFrameStyle( TQFrame::Box | TQFrame::Plain );
|
|
|
|
d->completionPopup->setLineWidth( 1 );
|
|
|
|
d->completionPopup->installEventFilter( this );
|
|
|
|
d->completionPopup->setSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Minimum);
|
|
|
|
|
|
|
|
d->completionListBox = new TQListBox( d->completionPopup );
|
|
|
|
d->completionPopup->setFocusProxy( d->completionListBox );
|
|
|
|
d->completionListBox->setFrameStyle( TQFrame::NoFrame );
|
|
|
|
d->completionListBox->setVariableWidth( true );
|
|
|
|
d->completionListBox->installEventFilter( this );
|
|
|
|
}
|
|
|
|
|
|
|
|
EditorCompletion::~EditorCompletion()
|
|
|
|
{
|
|
|
|
delete d;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool EditorCompletion::eventFilter( TQObject *obj, TQEvent *ev )
|
|
|
|
{
|
|
|
|
if ( TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(d->completionPopup) || TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(d->completionListBox) )
|
|
|
|
{
|
|
|
|
|
|
|
|
if ( ev->type() == TQEvent::KeyPress )
|
|
|
|
{
|
|
|
|
TQKeyEvent *ke = (TQKeyEvent*)ev;
|
|
|
|
if ( ke->key() == Key_Enter || ke->key() == Key_Return )
|
|
|
|
{
|
|
|
|
doneCompletion();
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
else if ( ke->key() == Key_Left || ke->key() == Key_Right ||
|
|
|
|
ke->key() == Key_Up || ke->key() == Key_Down ||
|
|
|
|
ke->key() == Key_Home || ke->key() == Key_End ||
|
|
|
|
ke->key() == Key_Prior || ke->key() == Key_Next )
|
|
|
|
return false;
|
|
|
|
|
|
|
|
d->completionPopup->close();
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|
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|
d->editor->setFocus();
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|
|
|
TQApplication::sendEvent( d->editor, ev );
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( ev->type() == TQEvent::MouseButtonDblClick )
|
|
|
|
{
|
|
|
|
doneCompletion();
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
void EditorCompletion::doneCompletion()
|
|
|
|
{
|
|
|
|
d->completionPopup->close();
|
|
|
|
d->editor->setFocus();
|
|
|
|
emit selectedCompletion( d->completionListBox->currentText() );
|
|
|
|
}
|
|
|
|
|
|
|
|
void EditorCompletion::showCompletion( const TQStringList &choices )
|
|
|
|
{
|
|
|
|
static bool shown = false;
|
|
|
|
if( !choices.count() ) return;
|
|
|
|
|
|
|
|
d->completionListBox->clear();
|
|
|
|
int maxWidth = 0;
|
|
|
|
for( unsigned i = 0; i < choices.count(); i++ ) {
|
|
|
|
ChoiceItem *item = new ChoiceItem( d->completionListBox, choices[i] );
|
|
|
|
int itemMaxWidth = item->nameWidth();
|
|
|
|
|
|
|
|
if(itemMaxWidth > maxWidth)
|
|
|
|
maxWidth = itemMaxWidth;
|
|
|
|
}
|
|
|
|
|
|
|
|
for(unsigned i = 0; i < d->completionListBox->count(); ++i) {
|
|
|
|
ChoiceItem *item = static_cast<ChoiceItem *>(d->completionListBox->item(i));
|
|
|
|
item->setMinNameWidth(maxWidth);
|
|
|
|
}
|
|
|
|
|
|
|
|
d->completionListBox->setCurrentItem( 0 );
|
|
|
|
|
|
|
|
// size of the pop-up
|
|
|
|
d->completionPopup->setMaximumHeight( 120 );
|
|
|
|
d->completionPopup->resize( d->completionListBox->sizeHint() +
|
|
|
|
TQSize( d->completionListBox->verticalScrollBar()->width() + 4,
|
|
|
|
d->completionListBox->horizontalScrollBar()->height() + 4 ) );
|
|
|
|
|
|
|
|
if(!shown)
|
|
|
|
{
|
|
|
|
d->completionPopup->show();
|
|
|
|
TQTimer::singleShot ( 0, this, TQT_SLOT(moveCompletionPopup()) );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
moveCompletionPopup();
|
|
|
|
d->completionPopup->show();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void EditorCompletion::moveCompletionPopup()
|
|
|
|
{
|
|
|
|
int h = d->completionListBox->height();
|
|
|
|
int w = d->completionListBox->width();
|
|
|
|
|
|
|
|
// position, reference is editor's cursor position in global coord
|
|
|
|
TQFontMetrics fm( d->editor->font() );
|
|
|
|
int para = 0, curPos = 0;
|
|
|
|
|
|
|
|
d->editor->getCursorPosition( ¶, &curPos );
|
|
|
|
|
|
|
|
int pixelsOffset = fm.width( d->editor->text(), curPos );
|
|
|
|
pixelsOffset -= d->editor->contentsX();
|
|
|
|
TQPoint pos = d->editor->mapToGlobal( TQPoint( pixelsOffset, d->editor->height() ) );
|
|
|
|
|
|
|
|
// if popup is partially invisible, move to other position
|
|
|
|
NETRootInfo info(d->completionPopup->x11Display(),
|
|
|
|
NET::CurrentDesktop | NET::WorkArea | NET::NumberOfDesktops,
|
|
|
|
-1, false);
|
|
|
|
info.activate(); // wtf is this needed for?
|
|
|
|
NETRect NETarea = info.workArea(info.currentDesktop());
|
|
|
|
|
|
|
|
TQRect area(NETarea.pos.x, NETarea.pos.y, NETarea.size.width, NETarea.size.height);
|
|
|
|
|
|
|
|
if( pos.y() + h > area.y() + area.height() )
|
|
|
|
pos.setY( pos.y() - h - d->editor->height() );
|
|
|
|
if( pos.x() + w > area.x() + area.width() )
|
|
|
|
pos.setX( area.x() + area.width() - w );
|
|
|
|
|
|
|
|
d->completionPopup->move( pos );
|
|
|
|
d->completionListBox->setFocus();
|
|
|
|
}
|
|
|
|
|
|
|
|
#include "editor.moc"
|
|
|
|
|
|
|
|
// vim: set et sw=2 ts=8:
|