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_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_create PORTABLE C */
37 /* 6.1 */
38 /* AUTHOR */
39 /* */
40 /* Kenneth Maxwell, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function checks for errors in the slider create call. */
45 /* */
46 /* INPUT */
47 /* */
48 /* slider Slider control block */
49 /* name Name of prompt */
50 /* parent Parent widget control block */
51 /* tick_count Number of slider ticks */
52 /* slider_info Pointer to slider info */
53 /* style Style of slider */
54 /* slider_id Application-defined ID of */
55 /* slider */
56 /* size Dimensions of slider */
57 /* */
58 /* OUTPUT */
59 /* */
60 /* status Completion status */
61 /* */
62 /* CALLS */
63 /* */
64 /* _gx_slider_create Actual slider create call */
65 /* */
66 /* CALLED BY */
67 /* */
68 /* Application Code */
69 /* */
70 /* RELEASE HISTORY */
71 /* */
72 /* DATE NAME DESCRIPTION */
73 /* */
74 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
75 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
76 /* resulting in version 6.1 */
77 /* */
78 /**************************************************************************/
_gxe_slider_create(GX_SLIDER * slider,GX_CONST GX_CHAR * name,GX_WIDGET * parent,INT tick_count,GX_SLIDER_INFO * slider_info,ULONG style,USHORT slider_id,GX_CONST GX_RECTANGLE * size,UINT slider_control_block_size)79 UINT _gxe_slider_create(GX_SLIDER *slider, GX_CONST GX_CHAR *name, GX_WIDGET *parent, INT tick_count,
80 GX_SLIDER_INFO *slider_info, ULONG style, USHORT slider_id,
81 GX_CONST GX_RECTANGLE *size, UINT slider_control_block_size)
82 {
83 UINT status;
84
85 /* Check for invalid caller. */
86 GX_INIT_AND_THREADS_CALLER_CHECKING
87
88 /* Check for invalid pointer. */
89 if ((slider == GX_NULL) || (size == GX_NULL) || (slider_info == GX_NULL))
90 {
91 return(GX_PTR_ERROR);
92 }
93
94 /* Check for invalid control block size. */
95 if (slider_control_block_size != sizeof(GX_SLIDER))
96 {
97 return(GX_INVALID_SIZE);
98 }
99
100 /* Check for widget already created. */
101 if (slider -> gx_widget_type != 0)
102 {
103 return(GX_ALREADY_CREATED);
104 }
105
106 /* Check for invalid widget. */
107 if (parent && (parent -> gx_widget_type == 0))
108 {
109 return(GX_INVALID_WIDGET);
110 }
111
112 /* Call actual slider create function. */
113 status = _gx_slider_create(slider, name, parent, tick_count, slider_info, style, slider_id, size);
114
115 /* Return completion status. */
116 return status;
117 }
118
119
