diff options
Diffstat (limited to 'src/widgets/kretextedit.cpp')
| -rw-r--r-- | src/widgets/kretextedit.cpp | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/src/widgets/kretextedit.cpp b/src/widgets/kretextedit.cpp new file mode 100644 index 0000000..c6d150d --- /dev/null +++ b/src/widgets/kretextedit.cpp @@ -0,0 +1,183 @@ +/*************************************************************************** +* Copyright (C) 2004 by * +* Jason Kivlighn (jkivlighn@gmail.com) * +* * +* 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. * +***************************************************************************/ + +#include "kretextedit.h" + +#include <tqtextstream.h> + +#include <tdeaccel.h> +#include <kdebug.h> + +KreTextEdit::KreTextEdit( TQWidget *parent ) : KTextEdit( parent ), TDECompletionBase() +{ + TDECompletion * comp = completionObject(); //creates the completion object + comp->setIgnoreCase( true ); + + completing = false; + + connect( this, TQ_SIGNAL( clicked( int, int ) ), TQ_SLOT( haltCompletion() ) ); +} + +void KreTextEdit::haltCompletion() +{ + completing = false; +} + +void KreTextEdit::keyPressEvent( TQKeyEvent *e ) +{ + // Filter key-events if completion mode is not set to CompletionNone + KKey key( e ); + + KeyBindingMap keys = getKeyBindings(); + TDEShortcut cut; + bool noModifier = ( e->state() == NoButton || e->state() == ShiftButton ); + + if ( noModifier ) { + TQString keycode = e->text(); + if ( !keycode.isEmpty() && keycode.unicode() ->isPrint() ) { + TQTextEdit::keyPressEvent ( e ); + tryCompletion(); + e->accept(); + return ; + } + } + + // Handles completion + if ( keys[ TextCompletion ].isNull() ) + cut = TDEStdAccel::shortcut( TDEStdAccel::TextCompletion ); + else + cut = keys[ TextCompletion ]; + + //using just the standard Ctrl+E isn't user-friendly enough for Grandma... + if ( completing && ( cut.contains( key ) || e->key() == TQt::Key_Enter || e->key() == TQt::Key_Return ) ) { + int paraFrom, indexFrom, paraTo, indexTo; + getSelection ( ¶From, &indexFrom, ¶To, &indexTo ); + + removeSelection(); + setCursorPosition( paraTo, indexTo ); + + completing = false; + return ; + } + + // handle rotation + + // Handles previous match + if ( keys[ PrevCompletionMatch ].isNull() ) + cut = TDEStdAccel::shortcut( TDEStdAccel::PrevCompletion ); + else + cut = keys[ PrevCompletionMatch ]; + + if ( cut.contains( key ) ) { + rotateText( TDECompletionBase::PrevCompletionMatch ); + return ; + } + + // Handles next match + if ( keys[ NextCompletionMatch ].isNull() ) + cut = TDEStdAccel::shortcut( TDEStdAccel::NextCompletion ); + else + cut = keys[ NextCompletionMatch ]; + + if ( cut.contains( key ) ) { + rotateText( TDECompletionBase::NextCompletionMatch ); + return ; + } + + //any other key events will end any text completion execpt for modifiers + switch ( e->key() ) { + case TQt::Key_Shift: + case TQt::Key_Control: + case TQt::Key_Alt: + case TQt::Key_Meta: + break; + default: + completing = false; + break; + } + + // Let KTextEdit handle any other keys events. + KTextEdit::keyPressEvent ( e ); +} + +void KreTextEdit::setCompletedText( const TQString &txt ) +{ + int para, index; + getCursorPosition( ¶, &index ); + + TQString para_text = text( para ); + int word_length = index - completion_begin; + + insert( txt.right( txt.length() - word_length ) ); + setSelection( para, index, para, completion_begin + txt.length() ); + setCursorPosition( para, index ); + + completing = true; +} + +void KreTextEdit::setCompletedItems( const TQStringList &/*items*/ ) +{} + +void KreTextEdit::tryCompletion() +{ + int para, index; + getCursorPosition( ¶, &index ); + + TQString para_text = text( para ); + if ( para_text.at( index ).isSpace() || completing ) { + if ( !completing ) + completion_begin = para_text.findRev( ' ', index - 1 ) + 1; + + TQString completing_word = para_text.mid( completion_begin, index - completion_begin ); + + TQString match = compObj() ->makeCompletion( completing_word ); + + if ( !match.isNull() && match != completing_word ) + setCompletedText( match ); + else + completing = false; + } +} + +void KreTextEdit::rotateText( TDECompletionBase::KeyBindingType type ) +{ + TDECompletion * comp = compObj(); + if ( comp && completing && + ( type == TDECompletionBase::PrevCompletionMatch || + type == TDECompletionBase::NextCompletionMatch ) ) { + TQString input = ( type == TDECompletionBase::PrevCompletionMatch ) ? comp->previousMatch() : comp->nextMatch(); + + // Skip rotation if previous/next match is null or the same text + int para, index; + getCursorPosition( ¶, &index ); + TQString para_text = text( para ); + TQString complete_word = para_text.mid( completion_begin, index - completion_begin ); + if ( input.isNull() || input == complete_word ) + return ; + setCompletedText( input ); + } +} + +void KreTextEdit::addCompletionItem( const TQString &name ) +{ + compObj() ->addItem( name ); +} + +void KreTextEdit::removeCompletionItem( const TQString &name ) +{ + compObj() ->removeItem( name ); +} + +void KreTextEdit::clearCompletionItems() +{ + compObj() ->clear(); +} + +#include "kretextedit.moc" |