1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11
12 /**************************************************************************/
13 /**************************************************************************/
14 /** */
15 /** GUIX Component */
16 /** */
17 /** Slider Management (Slider) */
18 /** */
19 /**************************************************************************/
20
21 #define GX_SOURCE_CODE
22
23
24 /* Include necessary system files. */
25
26 #include "gx_api.h"
27 #include "gx_system.h"
28 #include "gx_widget.h"
29 #include "gx_button.h"
30 #include "gx_slider.h"
31
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _gx_pixelmap_slider_event_process PORTABLE C */
38 /* 6.1 */
39 /* AUTHOR */
40 /* */
41 /* Kenneth Maxwell, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* This function processes events for the specified slider widget. */
46 /* */
47 /* INPUT */
48 /* */
49 /* slider Slider's widget control block */
50 /* event_ptr Incoming event to process */
51 /* */
52 /* OUTPUT */
53 /* */
54 /* status Completion status */
55 /* */
56 /* CALLS */
57 /* */
58 /* _gx_slider_value_calcualte Compute the slider value */
59 /* _gx_widget_event_process Default widget event process */
60 /* _gx_pixelmap_slider_pixelmap_update Update the pixelmap in slider */
61 /* widget */
62 /* */
63 /* CALLED BY */
64 /* */
65 /* Application Code */
66 /* GUIX Internal Code */
67 /* */
68 /* RELEASE HISTORY */
69 /* */
70 /* DATE NAME DESCRIPTION */
71 /* */
72 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
73 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
74 /* resulting in version 6.1 */
75 /* */
76 /**************************************************************************/
_gx_pixelmap_slider_event_process(GX_PIXELMAP_SLIDER * slider,GX_EVENT * event_ptr)77 UINT _gx_pixelmap_slider_event_process(GX_PIXELMAP_SLIDER *slider, GX_EVENT *event_ptr)
78 {
79 UINT status;
80 INT pos;
81
82 /* Default status to success. */
83 status = GX_SUCCESS;
84
85 /* Process relative to the type of event. */
86 switch (event_ptr -> gx_event_type)
87 {
88 case GX_EVENT_PEN_DOWN:
89
90 /* Set style for pen down. */
91 slider -> gx_widget_style |= GX_STYLE_BUTTON_PUSHED;
92
93 if (slider -> gx_widget_style & GX_STYLE_SLIDER_VERTICAL)
94 {
95 pos = event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_y;
96 }
97 else
98 {
99 pos = event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_x;
100 }
101
102 _gx_slider_value_calculate((GX_SLIDER *)slider, &slider -> gx_slider_info, pos);
103 break;
104
105 case GX_EVENT_PEN_UP:
106
107 /* Set style for pen down. */
108 slider -> gx_widget_style &= ~GX_STYLE_BUTTON_PUSHED;
109 break;
110
111 case GX_EVENT_PEN_DRAG:
112 /* move my needle */
113 if (slider -> gx_widget_style & GX_STYLE_BUTTON_PUSHED)
114 {
115 if (slider -> gx_widget_style & GX_STYLE_SLIDER_VERTICAL)
116 {
117 pos = event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_y;
118 }
119 else
120 {
121 pos = event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_x;
122 }
123
124 _gx_slider_value_calculate((GX_SLIDER *)slider, &slider -> gx_slider_info, pos);
125 }
126 break;
127
128 case GX_EVENT_SHOW:
129 status = _gx_widget_event_process((GX_WIDGET *)slider, event_ptr);
130 _gx_pixelmap_slider_pixelmap_update(slider);
131 break;
132
133 default:
134
135 /* Call the widget default processing. */
136 status = _gx_widget_event_process((GX_WIDGET *)slider, event_ptr);
137 }
138
139 /* Return completion status. */
140 return(status);
141 }
142
143
