1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/****************************************************************************
* NxWidgets/libnxwidgets/include/cwidgeteventargs.hxx
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX, NxWidgets, nor the names of its contributors
* me be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************
*
* Portions of this package derive from Woopsi (http://woopsi.org/) and
* portions are original efforts. It is difficult to determine at this
* point what parts are original efforts and which parts derive from Woopsi.
* However, in any event, the work of Antony Dzeryn will be acknowledged
* in most NxWidget files. Thanks Antony!
*
* Copyright (c) 2007-2011, Antony Dzeryn
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the names "Woopsi", "Simian Zombie" nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Antony Dzeryn ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Antony Dzeryn BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __INCLUDE_CWIDGETEVENTARGS_HXX
#define __INCLUDE_CWIDGETEVENTARGS_HXX
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <nuttx/nx/nxglib.h>
#include "nxconfig.hxx"
#include "teventargs.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Interesting Key events ***************************************************/
#define KEY_CODE_NONE ((nxwidget_char_t)0x00) /**< No key (NUL) */
#define KEY_CODE_BACKSPACE ((nxwidget_char_t)0x08) /**< Backspace key */
#define KEY_CODE_DELETE ((nxwidget_char_t)0x7f) /**< Delete key */
#define KEY_CODE_ENTER ((nxwidget_char_t)0x0d) /**< Enter key (carriage return) */
/****************************************************************************
* Implementation Classes
****************************************************************************/
#if defined(__cplusplus)
namespace NXWidgets
{
class CNxWidget;
/**
* Cursor control events
*/
typedef enum
{
CURSOR_HOME = 1, // Set the cursor to the beginning
CURSOR_END, // Set the cursor to the end
CURSOR_UP, // Set the cursor up one row
CURSOR_DOWN, // Set the cursor down one row
CURSOR_LEFT, // Move the cursor left one column
CURSOR_RIGHT, // Move the cursor right one column
CURSOR_PAGEUP, // Move the cursor up one page
CURSOR_PAGEDOWN, // Move the cursor down one page
} ECursorControl;
/**
* Event arguments passed to listeners when a CNxWidget object raises an event.
*/
class CWidgetEventArgs : public TEventArgs<CNxWidget*>
{
private:
nxgl_coord_t m_x; /**< X coordinateinate of the event. */
nxgl_coord_t m_y; /**< Y coordinateinate of the event. */
nxgl_coord_t m_vX; /**< X distance moved during event, for dragging. */
nxgl_coord_t m_vY; /**< Y distance moved during event, for dragging. */
nxwidget_char_t m_key; /**< The key code / cursor code that raised the event. */
public:
/**
* Constructor.
*
* @param source Pointer to the CNxWidget object that raised the event.
* @param x The x coordinate of the event.
* @param y The y coordinate of the event.
* @param vX The x distance of the event.
* @param vY The y distance of the event.
* @param keyCode The keycode of the event.
*/
CWidgetEventArgs(CNxWidget *source, const nxgl_coord_t x, const nxgl_coord_t y,
const nxgl_coord_t vX, const nxgl_coord_t vY,
const nxwidget_char_t key)
: TEventArgs<CNxWidget*>(source)
{
m_x = x;
m_y = y;
m_vX = vX;
m_vY = vY;
m_key = key;
}
/**
* Get the x coordinate of the mouse event. Applies only to the following
* events: mouse click, mouse double click, mouse drag, mouse release
*
* @return The x coordinate of the event.
*/
inline const nxgl_coord_t getX(void) const
{
return m_x;
}
/**
* Get the y coordinate of the mouse event. Applies only to the following
* events: mouse click, mouse double click, mouse drag, mouse release
*
* @return The y coordinate of the event.
*/
inline const nxgl_coord_t getY(void) const
{
return m_y;
}
/**
* Get the x-axis mouse move distance of the mouse event. Applies
* only to the mouse drag event.
*
* @return The x-axis mouse move distance of the event.
*/
inline const nxgl_coord_t getVX(void) const
{
return m_vX;
}
/**
* Get the y-axis mouse move distance of the event. Applies
* only to the mouse drag event.
*
* @return The y-axis mouse move distance of the event.
*/
inline const nxgl_coord_t getVY(void) const
{
return m_vY;
}
/**
* Get the key press that generated the event. Applies only to
* the key press event.
*
* @return The key that generated the event.
*/
inline const nxwidget_char_t getKey(void) const
{
return m_key;
}
/**
* Get the cursor control that generated the event. Applies only
* to the curso control event.
*
* @return The cursor control that generated the event.
*/
inline const ECursorControl getCursorControl(void) const
{
return (ECursorControl)m_key;
}
};
}
#endif // __cplusplus
#endif // __INCLUDE_CWIDGETEVENTARGS_HXX
|
