KDevelop API Documentation

qeditor_texthint.cpp

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00001 /*
00002  *  Copyright (C) 2003 Roberto Raggi (roberto@kdevelop.org)
00003  *
00004  *  This program is free software; you can redistribute it and/or
00005  *  modify it under the terms of the GNU General Public
00006  *  License as published by the Free Software Foundation; either
00007  *  version 2 of the License, or (at your option) any later version.
00008  *
00009  *  This program is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU General Public License
00015  *  along with this program; see the file COPYING.  If not, write to
00016  *  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00017  *  Boston, MA 02111-1307, USA.
00018  *
00019  */
00020 
00021 #include "qeditor_texthint.h"
00022 #include "qeditor.h"
00023 #include "qeditor_view.h"
00024 
00025 #include <private/qrichtext_p.h>
00026 #include <klocale.h>
00027 
00028 QEditorTextHint::QEditorTextHint( QEditorView* editorView )
00029    : QToolTip( editorView->editor() ), m_editorView( editorView )
00030 {
00031 }
00032 
00033 QEditorTextHint::~QEditorTextHint()
00034 {
00035 }
00036 
00037 void QEditorTextHint::maybeTip( const QPoint& pt )
00038 {
00039     QEditor* ed = m_editorView->editor();
00040     QPoint contentsPt = ed->viewportToContents( pt );
00041 
00042     QTextCursor c;
00043     c.place( contentsPt, ed->document()->firstParagraph() );
00044 
00045     int line = c.paragraph()->paragId();
00046     int column = c.index();
00047 
00048     QString textHint = m_editorView->computeTextHint( line, column );
00049 
00050     if( !textHint.isNull() )
00051         tip( QRect(pt, QSize(100,30)), textHint );
00052 }
00053 
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