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 /** Drop List (List) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "gx_api.h"
28 #include "gx_widget.h"
29 #include "gx_system.h"
30 #include "gx_drop_list.h"
31
32 /* Bring in externs for caller checking code. */
33 GX_CALLER_CHECKING_EXTERNS
34 /**************************************************************************/
35 /* */
36 /* FUNCTION RELEASE */
37 /* */
38 /* _gxe_drop_list_create PORTABLE C */
39 /* 6.1 */
40 /* AUTHOR */
41 /* */
42 /* Kenneth Maxwell, Microsoft Corporation */
43 /* */
44 /* DESCRIPTION */
45 /* */
46 /* This function checks for errors in the drop list create function */
47 /* call. */
48 /* */
49 /* INPUT */
50 /* */
51 /* drop_list Drop list control block */
52 /* name Name of drop list */
53 /* parent Pointer to parent widget */
54 /* total_rows Total number of rows in */
55 /* drop list */
56 /* open_height Height of the vertical list */
57 /* callback Callback function */
58 /* style Style of scrollbar widget */
59 /* drop_list_id Application-defined ID of */
60 /* the drop list */
61 /* size Dimensions of the drop list */
62 /* drop_list_control_block_size Control block size */
63 /* */
64 /* OUTPUT */
65 /* */
66 /* status Completion status */
67 /* */
68 /* CALLS */
69 /* */
70 /* _gx_drop_list_create Actual drop list create call */
71 /* */
72 /* CALLED BY */
73 /* */
74 /* Application Code */
75 /* */
76 /* RELEASE HISTORY */
77 /* */
78 /* DATE NAME DESCRIPTION */
79 /* */
80 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
81 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
82 /* resulting in version 6.1 */
83 /* */
84 /**************************************************************************/
_gxe_drop_list_create(GX_DROP_LIST * drop_list,GX_CONST GX_CHAR * name,GX_WIDGET * parent,INT total_rows,INT open_height,VOID (* callback)(GX_VERTICAL_LIST *,GX_WIDGET *,INT),ULONG style,USHORT drop_list_id,GX_CONST GX_RECTANGLE * size,UINT drop_list_control_block_size)85 UINT _gxe_drop_list_create(GX_DROP_LIST *drop_list, GX_CONST GX_CHAR *name,
86 GX_WIDGET *parent, INT total_rows, INT open_height,
87 VOID (*callback)(GX_VERTICAL_LIST *, GX_WIDGET *, INT),
88 ULONG style, USHORT drop_list_id, GX_CONST GX_RECTANGLE *size, UINT drop_list_control_block_size)
89 {
90 UINT status;
91
92 /* Check for appropriate caller. */
93 GX_INIT_AND_THREADS_CALLER_CHECKING
94
95 /* Check for invalid input pointers. */
96 if (!drop_list || !size)
97 {
98 return(GX_PTR_ERROR);
99 }
100
101 /* Check for control block size. */
102 if (drop_list_control_block_size != sizeof(GX_DROP_LIST))
103 {
104 return(GX_INVALID_SIZE);
105 }
106
107 /* Check for widget already created. */
108 if (drop_list -> gx_widget_type != 0)
109 {
110 return(GX_ALREADY_CREATED);
111 }
112
113 /* Call actual widget hide function. */
114 status = _gx_drop_list_create(drop_list, name, parent, total_rows, open_height,
115 callback, style, drop_list_id, size);
116
117 return(status);
118 }
119
120
