NXWidgets: clatchbuttonarray.cxx Source File

NXWidgets 1.19

clatchbuttonarray.cxx
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1 /****************************************************************************
2 * NxWidgets/libnxwidgets/src/clatchbuttonarray.cxx
3 *
4 * Copyright (C) 2012 Gregory Nutt. All rights reserved.
5 * Author: Gregory Nutt <gnutt@nuttx.org>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 * 3. Neither the name NuttX, NxWidgets, nor the names of its contributors
18 * me be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
28 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 *
34 ****************************************************************************/
35
36 /****************************************************************************
37 * Included Files
38 ****************************************************************************/
39
40 #include <nuttx/config.h>
41
42 #include <sys/types.h>
43 #include <stdint.h>
44 #include <stdbool.h>
45
46 #include <nuttx/nx/nxglib.h>
47
48 #include "cstickybuttonarray.hxx"
49 #include "clatchbuttonarray.hxx"
50 #include "cgraphicsport.hxx"
51
52 /****************************************************************************
53 * Pre-Processor Definitions
54 ****************************************************************************/
55
56 /****************************************************************************
57 * CButton Method Implementations
58 ****************************************************************************/
59
60 using namespace NXWidgets;
61
62 /**
63 * Constructor for an array of latch buttons.
64 *
65 * @param pWidgetControl The widget control for the display.
66 * @param x The x coordinate of the button array, relative to its parent.
67 * @param y The y coordinate of the button array, relative to its parent.
68 * @param buttonColumns The number of buttons in one row of the button array
69 * @param buttonRows The number of buttons in one column of the button array
70 * @param buttonWidth The width of one button
71 * @param buttonHeight The height of one button
72 * @param style The style that the button should use. If this is not
73 * specified, the button will use the global default widget
74 * style.
75 */
76
77 CLatchButtonArray::CLatchButtonArray(CWidgetControl *pWidgetControl,
78 nxgl_coord_t x, nxgl_coord_t y,
79 uint8_t buttonColumns, uint8_t buttonRows,
80 nxgl_coord_t buttonWidth, nxgl_coord_t buttonHeight,
81 CWidgetStyle *style)
82 : CStickyButtonArray(pWidgetControl, x, y, buttonColumns, buttonRows, buttonWidth, buttonHeight, style)
83 {
84 }
85
86 /**
87 * Handles button click events
88 *
89 * @param x The x coordinate of the click.
90 * @param y The y coordinate of the click.
91 */
92
93 void CLatchButtonArray::onClick(nxgl_coord_t x, nxgl_coord_t y)
94 {
95 // We need to save the button position so that when CButtonArray
96 // gets the release, it will have the correct position. This would
97 // look nicer if we just called CButtonArray::onClock() but that
98 // would cause duplicate redraw()
99
100 m_clickX = x;
101 m_clickY = y;
102
103 // Convert the new key press to row/columin indices
104
105 int column;
106 int row;
107
108 if (posToButton(x, y, column, row))
109 {
110 // Change the stuck down button on each in-range button press
111 // NOTE that normally button click events are not processed (but
112 // button release events will be processed).
113
114 stickDown(column, row);
115 }
116 }
NXWidgets::CButtonArray::m_clickY
nxgl_coord_t m_clickY
Definition: cbuttonarray.hxx:88
NXWidgets::CWidgetStyle
Definition: cwidgetstyle.hxx:125
NXWidgets::CWidgetControl
Definition: cwidgetcontrol.hxx:95
cgraphicsport.hxx
clatchbuttonarray.hxx
NXWidgets::CLatchButtonArray::CLatchButtonArray
CLatchButtonArray(const CLatchButtonArray &button)
Definition: clatchbuttonarray.hxx:105
NXWidgets
Definition: cbgwindow.hxx:65
NXWidgets::CLatchButtonArray::onClick
virtual void onClick(nxgl_coord_t x, nxgl_coord_t y)
Definition: clatchbuttonarray.cxx:93
NXWidgets::CStickyButtonArray::stickDown
virtual bool stickDown(int column, int row)
Definition: cstickybuttonarray.cxx:146
cstickybuttonarray.hxx
NXWidgets::CButtonArray::m_clickX
nxgl_coord_t m_clickX
Definition: cbuttonarray.hxx:87
NXWidgets::CButtonArray::posToButton
virtual bool posToButton(nxgl_coord_t x, nxgl_coord_t y, int &column, int &row)
Definition: cbuttonarray.cxx:616
NXWidgets::CStickyButtonArray
Definition: cstickybuttonarray.hxx:77