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