1 /**************************************************************************/
2 /* */
3 /* Copyright (c) Microsoft Corporation. All rights reserved. */
4 /* */
5 /* This software is licensed under the Microsoft Software License */
6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */
7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
8 /* and in the root directory of this software. */
9 /* */
10 /**************************************************************************/
11
12
13 /**************************************************************************/
14 /**************************************************************************/
15 /** */
16 /** GUIX Component */
17 /** */
18 /** Prompt Management (Slider) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24 /* Include necessary system files. */
25
26 #include "gx_api.h"
27 #include "gx_slider.h"
28
29 /* Bring in externs for caller checking code. */
30 GX_CALLER_CHECKING_EXTERNS
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _gxe_slider_travel_get PORTABLE C */
37 /* 6.1 */
38 /* AUTHOR */
39 /* */
40 /* Kenneth Maxwell, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function checks for errors in slider travel get call. */
45 /* */
46 /* */
47 /* INPUT */
48 /* */
49 /* slider Slider widget control block */
50 /* info Pointer to slider info */
51 /* structure */
52 /* return_min_travel Pointer to destination for */
53 /* for minimum travel value */
54 /* return_max_travel Pointer to destination for */
55 /* for maximum travel value */
56 /* */
57 /* OUTPUT */
58 /* */
59 /* status Completion status */
60 /* */
61 /* CALLS */
62 /* */
63 /* _gx_slider_travel_get Actual slider travel get */
64 /* */
65 /* CALLED BY */
66 /* */
67 /* Application Code */
68 /* */
69 /* RELEASE HISTORY */
70 /* */
71 /* DATE NAME DESCRIPTION */
72 /* */
73 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
74 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
75 /* resulting in version 6.1 */
76 /* */
77 /**************************************************************************/
_gxe_slider_travel_get(GX_SLIDER * slider,GX_SLIDER_INFO * info,INT * return_min_travel,INT * return_max_travel)78 UINT _gxe_slider_travel_get(GX_SLIDER *slider, GX_SLIDER_INFO *info, INT *return_min_travel, INT *return_max_travel)
79 {
80 UINT status;
81
82 /* Check for invalid caller. */
83 GX_INIT_AND_THREADS_CALLER_CHECKING
84
85 /* Check for invalid pointer. */
86 if ((slider == GX_NULL) || (info == GX_NULL) || (return_min_travel == GX_NULL) || (return_max_travel == GX_NULL))
87 {
88 return(GX_PTR_ERROR);
89 }
90
91 /* Check for invalid widget. */
92 if (slider -> gx_widget_type == 0)
93 {
94 return(GX_INVALID_WIDGET);
95 }
96
97 /* Check for invalid slider info. */
98 if ((info -> gx_slider_info_current_val < info -> gx_slider_info_min_val) ||
99 (info -> gx_slider_info_current_val > info -> gx_slider_info_max_val) ||
100 (info -> gx_slider_info_min_val >= info -> gx_slider_info_max_val))
101 {
102 return(GX_INVALID_VALUE);
103 }
104
105 /* Call actual slider travel get. */
106 status = _gx_slider_travel_get(slider, info, return_min_travel, return_max_travel);
107
108 return(status);
109 }
110
111
