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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2008 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
// Code by: Jeremy Moles (cubicool) 2007-2008
#ifndef OSGWIDGET_INPUT
#define OSGWIDGET_INPUT
#include <osgWidget/Label>
namespace osgWidget {
// This is a string of values we use to try and determine the best Y
// descent value (yoffset); you're welcome to use what works best for
// your font.
const std::string DESCENT_STRING("qpl");
class OSGWIDGET_EXPORT Input: public Label
{
public:
Input(const std::string& = "", const std::string& = "", unsigned int = 20);
virtual void parented (Window*);
virtual void positioned ();
virtual bool focus (const WindowManager*);
virtual bool unfocus (const WindowManager*);
virtual bool keyUp (int, int, const WindowManager*);
virtual bool keyDown (int, int, const WindowManager*);
virtual bool mouseDrag (double, double, const WindowManager*);
virtual bool mousePush (double x, double y, const WindowManager*);
virtual bool mouseRelease (double, double, const WindowManager*);
void setCursor (Widget*);
unsigned int calculateBestYOffset (const std::string& = "qgl");
void clear();
void setXOffset(point_type xo) {
_xoff = xo;
}
void setYOffset(point_type yo) {
_yoff = yo;
}
void setXYOffset(point_type xo, point_type yo) {
_xoff = xo;
_yoff = yo;
}
osg::Drawable* getCursor() {
return _cursor.get();
}
const osg::Drawable* getCursor() const {
return _cursor.get();
}
point_type getXOffset() const {
return _xoff;
}
point_type getYOffset() const {
return _yoff;
}
XYCoord getXYOffset() const {
return XYCoord(_xoff, _yoff);
}
protected:
virtual void _calculateSize(const XYCoord&);
void _calculateCursorOffsets();
point_type _xoff;
point_type _yoff;
unsigned int _index;
unsigned int _size;
unsigned int _cursorIndex;
unsigned int _maxSize;
std::vector<point_type> _offsets;
std::vector<unsigned int> _wordsOffsets;
std::vector<point_type> _widths;
osg::ref_ptr<Widget> _cursor;
bool _insertMode; // Insert was pressed --> true --> typing will overwrite existing text
osg::ref_ptr<Widget> _selection;
unsigned int _selectionStartIndex;
unsigned int _selectionEndIndex;
unsigned int _selectionIndex;
point_type _mouseClickX;
};
}
#endif
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