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Diffstat (limited to 'experimental/tqtinterface/qt4/tools/designer/editor/editor.cpp')
| -rw-r--r-- | experimental/tqtinterface/qt4/tools/designer/editor/editor.cpp | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/experimental/tqtinterface/qt4/tools/designer/editor/editor.cpp b/experimental/tqtinterface/qt4/tools/designer/editor/editor.cpp new file mode 100644 index 000000000..626df22eb --- /dev/null +++ b/experimental/tqtinterface/qt4/tools/designer/editor/editor.cpp @@ -0,0 +1,251 @@ + /********************************************************************** +** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved. +** +** This file is part of TQt Designer. +** +** This file may be used under the terms of the GNU General +** Public License versions 2.0 or 3.0 as published by the Free +** Software Foundation and appearing in the files LICENSE.GPL2 +** and LICENSE.GPL3 included in the packaging of this file. +** Alternatively you may (at your option) use any later version +** of the GNU General Public License if such license has been +** publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing requirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** Licensees holding valid TQt Commercial licenses may use this file in +** accordance with the TQt Commercial License Agreement provided with +** the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#include "editor.h" +#include "parenmatcher.h" +#include <tqfile.h> +#include <private/tqrichtext_p.h> +#include "conf.h" +#include <tqapplication.h> +#include <tqpopupmenu.h> +#include <tqaccel.h> + +Editor::Editor( const TQString &fn, TQWidget *tqparent, const char *name ) + : TQTextEdit( tqparent, name ), hasError( FALSE ) +{ + document()->setFormatter( new TQTextFormatterBreakInWords ); + if ( !fn.isEmpty() ) + load( fn ); + setHScrollBarMode( TQScrollView::AlwaysOff ); + setVScrollBarMode( TQScrollView::AlwaysOn ); + document()->setUseFormatCollection( FALSE ); + parenMatcher = new ParenMatcher; + connect( this, TQT_SIGNAL( cursorPositionChanged( TQTextCursor * ) ), + this, TQT_SLOT( cursorPosChanged( TQTextCursor * ) ) ); + cfg = new Config; + document()->addSelection( Error ); + document()->addSelection( Step ); + document()->setSelectionColor( Error, red ); + document()->setSelectionColor( Step, yellow ); + document()->setInvertSelectionText( Error, FALSE ); + document()->setInvertSelectionText( Step, FALSE ); + document()->addSelection( ParenMatcher::Match ); + document()->addSelection( ParenMatcher::Mismatch ); + document()->setSelectionColor( ParenMatcher::Match, TQColor( 204, 232, 195 ) ); + document()->setSelectionColor( ParenMatcher::Mismatch, TQt::magenta ); + document()->setInvertSelectionText( ParenMatcher::Match, FALSE ); + document()->setInvertSelectionText( ParenMatcher::Mismatch, FALSE ); + + accelComment = new TQAccel( this ); + accelComment->connectItem( accelComment->insertItem( ALT + Key_C ), + this, TQT_SLOT( commentSelection() ) ); + accelUncomment = new TQAccel( this ); + accelUncomment->connectItem( accelUncomment->insertItem( ALT + Key_U ), + this, TQT_SLOT( uncommentSelection() ) ); + editable = TRUE; +} + +Editor::~Editor() +{ + delete cfg; + delete parenMatcher; +} + +void Editor::cursorPosChanged( TQTextCursor *c ) +{ + if ( parenMatcher->match( c ) ) + repaintChanged(); + if ( hasError ) { + emit clearErrorMarker(); + hasError = FALSE; + } +} + +void Editor::load( const TQString &fn ) +{ + filename = fn; + TQFile f( filename ); + if ( !f.open( IO_ReadOnly ) ) + return; + TQCString txt; + txt.resize( f.size() ); + f.readBlock( txt.data(), f.size() ); + TQString s( TQString::tqfromLatin1( txt ) ); + setText( s ); +} + +void Editor::save( const TQString &fn ) +{ + if ( !filename.isEmpty() ) + filename = fn; +} + +void Editor::configChanged() +{ + document()->tqinvalidate(); + viewport()->tqrepaint( FALSE ); +} + +void Editor::setErrorSelection( int line ) +{ + TQTextParagraph *p = document()->paragAt( line ); + if ( !p ) + return; + TQTextCursor c( document() ); + c.setParagraph( p ); + c.setIndex( 0 ); + document()->removeSelection( Error ); + document()->setSelectionStart( Error, c ); + c.gotoLineEnd(); + document()->setSelectionEnd( Error, c ); + hasError = TRUE; + viewport()->tqrepaint( FALSE ); +} + +void Editor::setStepSelection( int line ) +{ + TQTextParagraph *p = document()->paragAt( line ); + if ( !p ) + return; + TQTextCursor c( document() ); + c.setParagraph( p ); + c.setIndex( 0 ); + document()->removeSelection( Step ); + document()->setSelectionStart( Step, c ); + c.gotoLineEnd(); + document()->setSelectionEnd( Step, c ); + viewport()->tqrepaint( FALSE ); +} + +void Editor::clearStepSelection() +{ + document()->removeSelection( Step ); + viewport()->tqrepaint( FALSE ); +} + +void Editor::doChangeInterval() +{ + emit intervalChanged(); + TQTextEdit::doChangeInterval(); +} + +void Editor::commentSelection() +{ + TQTextParagraph *start = document()->selectionStartCursor( TQTextDocument::Standard ).paragraph(); + TQTextParagraph *end = document()->selectionEndCursor( TQTextDocument::Standard ).paragraph(); + if ( !start || !end ) + start = end = textCursor()->paragraph(); + while ( start ) { + if ( start == end && textCursor()->index() == 0 ) + break; + start->insert( 0, "//" ); + if ( start == end ) + break; + start = start->next(); + } + document()->removeSelection( TQTextDocument::Standard ); + repaintChanged(); + setModified( TRUE ); +} + +void Editor::uncommentSelection() +{ + TQTextParagraph *start = document()->selectionStartCursor( TQTextDocument::Standard ).paragraph(); + TQTextParagraph *end = document()->selectionEndCursor( TQTextDocument::Standard ).paragraph(); + if ( !start || !end ) + start = end = textCursor()->paragraph(); + while ( start ) { + if ( start == end && textCursor()->index() == 0 ) + break; + while ( start->at( 0 )->c == '/' ) + start->remove( 0, 1 ); + if ( start == end ) + break; + start = start->next(); + } + document()->removeSelection( TQTextDocument::Standard ); + repaintChanged(); + setModified( TRUE ); +} + +TQPopupMenu *Editor::createPopupMenu( const TQPoint &p ) +{ + TQPopupMenu *menu = TQTextEdit::createPopupMenu( p ); + menu->insertSeparator(); + menu->insertItem( tr( "C&omment Code\tAlt+C" ), this, TQT_SLOT( commentSelection() ) ); + menu->insertItem( tr( "Unco&mment Code\tAlt+U" ), this, TQT_SLOT( uncommentSelection() ) ); + return menu; +} + +bool Editor::eventFilter( TQObject *o, TQEvent *e ) +{ + if ( ( e->type() == TQEvent::FocusIn || e->type() == TQEvent::FocusOut ) && + ( o == this || o == viewport() ) ) { + accelUncomment->setEnabled( e->type() == TQEvent::FocusIn ); + accelComment->setEnabled( e->type() == TQEvent::FocusIn ); + } + return TQTextEdit::eventFilter( o, e ); +} + +void Editor::doKeyboardAction( KeyboardAction action ) +{ + if ( !editable ) + return; + TQTextEdit::doKeyboardAction( action ); +} + +void Editor::keyPressEvent( TQKeyEvent *e ) +{ + if ( editable ) { + TQTextEdit::keyPressEvent( e ); + return; + } + + switch ( e->key() ) { + case Key_Left: + case Key_Right: + case Key_Up: + case Key_Down: + case Key_Home: + case Key_End: + case Key_Prior: + case Key_Next: + case Key_Direction_L: + case Key_Direction_R: + TQTextEdit::keyPressEvent( e ); + break; + default: + e->accept(); + break; + } +} |