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 /** Radial 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_radial_slider.h"
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _gx_radial_slider_animation_start PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* Kenneth Maxwell, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This service starts an animation to move the slider needle from */
44 /* current postion to the new position. */
45 /* */
46 /* INPUT */
47 /* */
48 /* slider Radial slider control block */
49 /* target_angle Target angle value */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* status Completion status */
54 /* */
55 /* CALLS */
56 /* */
57 /* _gx_system_timer_start Start a timer */
58 /* _gx_widget_event_generate Generate child signal */
59 /* _gx_radial_slider_angle_set Set new slider value */
60 /* */
61 /* CALLED BY */
62 /* */
63 /* Application Code */
64 /* */
65 /* RELEASE HISTORY */
66 /* */
67 /* DATE NAME DESCRIPTION */
68 /* */
69 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
70 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
71 /* resulting in version 6.1 */
72 /* */
73 /**************************************************************************/
_gx_radial_slider_animation_start(GX_RADIAL_SLIDER * slider,GX_VALUE target_angle)74 UINT _gx_radial_slider_animation_start(GX_RADIAL_SLIDER *slider, GX_VALUE target_angle)
75 {
76 GX_RADIAL_SLIDER_INFO *info = &slider -> gx_radial_slider_info;
77 USHORT delay;
78
79 if (target_angle != info->gx_radial_slider_info_current_angle)
80 {
81 if ((slider -> gx_radial_slider_animation_total_steps > 1) && slider -> gx_radial_slider_animation_delay)
82 {
83 slider -> gx_radial_slider_start_angle = info -> gx_radial_slider_info_current_angle;
84 slider -> gx_radial_slider_target_angle = target_angle;
85 slider -> gx_radial_slider_animation_step = slider -> gx_radial_slider_animation_total_steps;
86 delay = slider -> gx_radial_slider_animation_delay;
87
88 /* Start animation to move needle from current position to target position. */
89 _gx_system_timer_start((GX_WIDGET *)slider, GX_RADIAL_SLIDER_TIMER, delay, delay);
90
91 _gx_widget_event_generate((GX_WIDGET *)slider, GX_EVENT_ANIMATION_START, slider -> gx_radial_slider_target_angle);
92 }
93 else
94 {
95 _gx_radial_slider_angle_set(slider, target_angle);
96 }
97 }
98
99 return(GX_SUCCESS);
100 }
101
102