summaryrefslogtreecommitdiffstats
path: root/tools/designer/editor/browser.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tools/designer/editor/browser.cpp')
-rw-r--r--tools/designer/editor/browser.cpp149
1 files changed, 149 insertions, 0 deletions
diff --git a/tools/designer/editor/browser.cpp b/tools/designer/editor/browser.cpp
new file mode 100644
index 000000000..3ec2c62cb
--- /dev/null
+++ b/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 retquirements 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 [email protected].
+**
+** 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/qrichtext_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 ( ::qt_cast<Editor*>(o->parent()) || ::qt_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 ( findCursor( 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::findCursor( 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;
+}