source: GTP/trunk/Lib/Geom/OgreStuff/include/CEGUI/elements/CEGUIButtonBase.h @ 1809

Revision 1809, 10.0 KB checked in by gumbau, 18 years ago (diff)
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[1809]1/************************************************************************
2        filename:       CEGUIButtonBase.h
3        created:        13/4/2004
4        author:         Paul D Turner
5       
6        purpose:        Interface to base class for ButtonBase widget
7*************************************************************************/
8/*************************************************************************
9    Crazy Eddie's GUI System (http://www.cegui.org.uk)
10    Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk)
11
12    This library is free software; you can redistribute it and/or
13    modify it under the terms of the GNU Lesser General Public
14    License as published by the Free Software Foundation; either
15    version 2.1 of the License, or (at your option) any later version.
16
17    This library is distributed in the hope that it will be useful,
18    but WITHOUT ANY WARRANTY; without even the implied warranty of
19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
20    Lesser General Public License for more details.
21
22    You should have received a copy of the GNU Lesser General Public
23    License along with this library; if not, write to the Free Software
24    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
25*************************************************************************/
26#ifndef _CEGUIButtonBase_h_
27#define _CEGUIButtonBase_h_
28
29#include "CEGUIBase.h"
30#include "CEGUIWindow.h"
31#include "elements/CEGUIButtonBaseProperties.h"
32
33
34#if defined(_MSC_VER)
35#       pragma warning(push)
36#       pragma warning(disable : 4251)
37#endif
38
39
40// Start of CEGUI namespace section
41namespace CEGUI
42{
43
44/*!
45\brief
46        Base class for all the 'button' type widgets (push button, radio button, check-box, etc)
47*/
48class CEGUIEXPORT ButtonBase : public Window
49{
50public:
51        /*************************************************************************
52                Constants
53        *************************************************************************/
54        // default colours for text label rendering
55        static const colour             DefaultNormalLabelColour;               //!< Default colour used when rendering label text in normal state.
56        static const colour             DefaultHoverLabelColour;                //!< Default colour used when rendering label text in hover / highlight state.
57        static const colour             DefaultPushedLabelColour;               //!< Default colour used when rendering label text in pushed state.
58        static const colour             DefaultDisabledLabelColour;             //!< Default colour used when rendering label text in disabled state.
59
60
61        /*************************************************************************
62                Accessor type functions
63        *************************************************************************/
64        /*!
65        \brief
66                return true if user is hovering over this widget (or it's pushed and user is not over it for highlight)
67
68        \return
69                true if the user is hovering or if the button is pushed and the mouse is not over the button.  Otherwise return false.
70        */
71        bool    isHovering(void) const                  {return d_hovering;}
72
73
74        /*!
75        \brief
76                Return true if the button widget is in the pushed state.
77
78        \return
79                true if the button-type widget is pushed, false if the widget is not pushed.
80        */
81        bool    isPushed(void) const                    {return d_pushed;}
82
83
84        /*!
85        \brief
86                return text label colour used for normal rendering
87
88        \return
89                colour value that is used for the label text when rendering in the normal state.
90        */
91        colour  getNormalTextColour(void) const                 {return d_normalColour;}
92
93
94        /*!
95        \brief
96                return text label colour used for hover / highlight rendering
97
98        \return
99                colour value that is used for the label text when rendering in the hover / highlighted states.
100        */
101        colour  getHoverTextColour(void) const                  {return d_hoverColour;}
102
103
104        /*!
105        \brief
106                return text label colour used for pushed rendering
107
108        \return
109                colour value that is used for the label text when rendering in the pushed state.
110        */
111        colour  getPushedTextColour(void) const                 {return d_pushedColour;}
112
113
114        /*!
115        \brief
116                return text label colour used for disabled rendering
117
118        \return
119                colour value that is used for the label text when rendering in the disabled state.
120        */
121        colour  getDisabledTextColour(void) const               {return d_disabledColour;}
122
123        /*************************************************************************
124                Manipulators
125        *************************************************************************/
126        /*!
127        \brief
128                Set the colour to use for the label text when rendering in the normal state.
129
130        \param colour
131                colour value specifying the colour to be used.
132
133        \return
134                Nothing.
135        */
136        void    setNormalTextColour(const colour& colour);
137
138
139        /*!
140        \brief
141                Set the colour to use for the label text when rendering in the hover / highlighted states.
142
143        \param colour
144                colour value specifying the colour to be used.
145
146        \return
147                Nothing.
148        */
149        void    setHoverTextColour(const colour& colour);
150
151
152        /*!
153        \brief
154                Set the colour to use for the label text when rendering in the pushed state.
155
156        \param colour
157                colour value specifying the colour to be used.
158
159        \return
160                Nothing.
161        */
162        void    setPushedTextColour(const colour& colour);
163
164
165        /*!
166        \brief
167                Set the colour to use for the label text when rendering in the disabled state.
168
169        \param colour
170                colour value specifying the colour to be used.
171
172        \return
173                Nothing.
174        */
175        void    setDisabledTextColour(const colour& colour);
176
177        /*************************************************************************
178                Construction and Destruction
179        *************************************************************************/
180        /*!
181        \brief
182                Constructor for ButtonBase objects
183        */
184        ButtonBase(const String& type, const String& name);
185
186
187        /*!
188        \brief
189                Destructor for ButtonBase objects
190        */
191        virtual ~ButtonBase(void);
192
193
194protected:
195        /*************************************************************************
196                Overridden event handlers
197        *************************************************************************/
198        virtual void    onMouseMove(MouseEventArgs& e);
199        virtual void    onMouseButtonDown(MouseEventArgs& e);
200        virtual void    onMouseButtonUp(MouseEventArgs& e);
201        virtual void    onCaptureLost(WindowEventArgs& e);
202        virtual void    onMouseLeaves(MouseEventArgs& e);
203
204
205        /*************************************************************************
206                Implementation Functions
207        *************************************************************************/
208        /*!
209        \brief
210                Update the internal state of the widget with the mouse at the given position.
211
212        \param mouse_pos
213                Point object describing, in screen pixel co-ordinates, the location of the mouse cursor.
214
215        \return
216                Nothing
217        */
218        void    updateInternalState(const Point& mouse_pos);
219
220
221        /*!
222        \brief
223                Return whether this window was inherited from the given class name at some point in the inheritance heirarchy.
224
225        \param class_name
226                The class name that is to be checked.
227
228        \return
229                true if this window was inherited from \a class_name. false if not.
230        */
231        virtual bool    testClassName_impl(const String& class_name) const
232        {
233                if (class_name==(const utf8*)"ButtonBase")      return true;
234                return Window::testClassName_impl(class_name);
235        }
236
237
238        /*************************************************************************
239                Implementation Rendering Functions
240        *************************************************************************/
241        /*!
242        \brief
243                Perform the rendering for this widget.
244
245        \param z
246                float value specifying the base Z co-ordinate that should be used when rendering
247
248        \return
249                Nothing
250        */
251        virtual void    drawSelf(float z);
252
253
254        /*!
255        \brief
256                Render the button-type widget in it's 'normal' state
257
258        \param z
259                float value specifying the base Z co-ordinate that should be used when rendering
260
261        \return
262                Nothing
263        */
264        virtual void    drawNormal(float z)             = 0;
265
266
267        /*!
268        \brief
269                Render the button-type widget in it's 'hover' (highlighted) state
270
271        \param z
272                float value specifying the base Z co-ordinate that should be used when rendering
273
274        \return
275                Nothing
276        */
277        virtual void    drawHover(float z)                      {drawNormal(z);}
278
279
280        /*!
281        \brief
282                Render the button-type widget in it's 'pushed' state
283
284        \param z
285                float value specifying the base Z co-ordinate that should be used when rendering
286
287        \return
288                Nothing
289        */
290        virtual void    drawPushed(float z)             {drawNormal(z);}
291
292
293        /*!
294        \brief
295                Render the button-type widget in it's 'disabled' state
296
297        \param z
298                float value specifying the base Z co-ordinate that should be used when rendering
299
300        \return
301                Nothing
302        */
303        virtual void    drawDisabled(float z)           {drawNormal(z);}
304
305
306        /*************************************************************************
307                Implementation Data
308        *************************************************************************/
309        bool    d_pushed;                       //!< true when widget is pushed
310        bool    d_hovering;                     //!< true when the button is in 'hover' state and requires the hover rendering.
311
312        // common rendering setting data
313        colour  d_normalColour;                                 //!< Colour used for label text when rendering in normal state
314        colour  d_hoverColour;                                  //!< Colour used for label text when rendering in highlighted state
315        colour  d_pushedColour;                                 //!< Colour used for label text when rendering in pushed state
316        colour  d_disabledColour;                               //!< Colour used for label text when rendering in disabled state
317
318private:
319        /*************************************************************************
320                Static Properties for this class
321        *************************************************************************/
322        static ButtonBaseProperties::NormalTextColour   d_normalTextColourProperty;
323        static ButtonBaseProperties::HoverTextColour    d_hoverTextColourProperty;
324        static ButtonBaseProperties::PushedTextColour   d_pushedTextColourProperty;
325        static ButtonBaseProperties::DisabledTextColour d_disabledTextColourProperty;
326
327        /*************************************************************************
328                Private methods
329        *************************************************************************/
330        void    addButtonBaseProperties(void);
331};
332
333} // End of  CEGUI namespace section
334
335#if defined(_MSC_VER)
336#       pragma warning(pop)
337#endif
338
339#endif  // end of guard _CEGUIButtonBase_h_
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