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Diffstat (limited to 'tqtinterface/qt4/tools/designer/editor/browser.cpp')
| -rw-r--r-- | tqtinterface/qt4/tools/designer/editor/browser.cpp | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/tqtinterface/qt4/tools/designer/editor/browser.cpp b/tqtinterface/qt4/tools/designer/editor/browser.cpp new file mode 100644 index 0000000..67c0e12 --- /dev/null +++ b/tqtinterface/qt4/tools/designer/editor/browser.cpp @@ -0,0 +1,149 @@ +/********************************************************************** +** 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 "browser.h" +#include "editor.h" +#include <private/tqrichtext_p.h> + + +EditorBrowser::EditorBrowser( Editor *e ) + : curEditor( e ), oldHighlightedParag( 0 ) +{ + curEditor = e; + + // ### disabled for now +// curEditor->viewport()->installEventFilter( this ); +// curEditor->installEventFilter( this ); + + TQFont fn( curEditor->font() ); + fn.setUnderline( TRUE ); + highlightedFormat = new TQTextFormat( fn, blue ); +} + +EditorBrowser::~EditorBrowser() +{ + delete highlightedFormat; +} + +bool EditorBrowser::eventFilter( TQObject *o, TQEvent *e ) +{ + if ( ::tqqt_cast<Editor*>(o->tqparent()) || ::tqqt_cast<Editor*>(o) ) { + TQMouseEvent *me; + TQKeyEvent *ke; + switch ( e->type() ) { + case TQEvent::MouseMove: + me = (TQMouseEvent*)e; + if ( ( me->state() & ControlButton ) == ControlButton ) { + curEditor->viewport()->setCursor( pointingHandCursor ); + TQTextCursor c( curEditor->document() ); + curEditor->placeCursor( curEditor->viewportToContents( me->pos() ), &c ); + TQTextCursor from, to; + if ( oldHighlightedParag ) { + oldHighlightedParag->setEndState( -1 ); + oldHighlightedParag->format(); + oldHighlightedParag = 0; + } + if ( tqfindCursor( c, from, to ) && from.paragraph() == to.paragraph() ) { + // avoid collision with other selections + for ( int i = 0; i < curEditor->document()->numSelections(); ++i ) + curEditor->document()->removeSelection( i ); + from.paragraph()->setFormat( from.index(), to.index() - from.index() + 1, highlightedFormat, FALSE ); + lastWord = from.paragraph()->string()->toString().mid( from.index(), to.index() - from.index() + 1 ); + oldHighlightedParag = from.paragraph(); + } else { + lastWord = ""; + } + curEditor->repaintChanged(); + return TRUE; + } + break; + case TQEvent::MouseButtonPress: { + bool killEvent = !lastWord.isEmpty(); + if ( !lastWord.isEmpty() ) + showHelp( lastWord ); + lastWord = ""; + curEditor->viewport()->setCursor( ibeamCursor ); + if ( oldHighlightedParag ) { + oldHighlightedParag->setEndState( -1 ); + oldHighlightedParag->format(); + curEditor->repaintChanged(); + oldHighlightedParag = 0; + } + if ( killEvent ) + return TRUE; + } break; + case TQEvent::KeyRelease: + lastWord = ""; + ke = (TQKeyEvent*)e; + if ( ke->key() == Key_Control ) { + curEditor->viewport()->setCursor( ibeamCursor ); + if ( oldHighlightedParag ) { + oldHighlightedParag->setEndState( -1 ); + oldHighlightedParag->format(); + curEditor->repaintChanged(); + oldHighlightedParag = 0; + } + } + default: + break; + } + } + return FALSE; +} + +void EditorBrowser::setCurrentEdior( Editor *e ) +{ + curEditor = e; + curEditor->installEventFilter( this ); +} + +void EditorBrowser::addEditor( Editor *e ) +{ + e->installEventFilter( this ); +} + +bool EditorBrowser::tqfindCursor( const TQTextCursor &c, TQTextCursor &from, TQTextCursor &to ) +{ + from = c; + while ( from.paragraph()->at( from.index() )->c != ' ' && from.paragraph()->at( from.index() )->c != '\t' && from.index() > 0 ) + from.gotoLeft(); + if ( from.paragraph()->at( from.index() )->c == ' ' || from.paragraph()->at( from.index() )->c == '\t' ) + from.gotoRight(); + to = c; + while ( to.paragraph()->at( to.index() )->c != ' ' && to.paragraph()->at( to.index() )->c != '\t' && + to.index() < to.paragraph()->length() - 1 ) + to.gotoRight(); + if ( to.paragraph()->at( to.index() )->c == ' ' || to.paragraph()->at( to.index() )->c == '\t' ) + to.gotoLeft(); + return TRUE; +} |