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 /**   Horizontal List (List)                                              */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_window.h"
28 
29 GX_CALLER_CHECKING_EXTERNS
30 
31 /**************************************************************************/
32 /*                                                                        */
33 /*  FUNCTION                                               RELEASE        */
34 /*                                                                        */
35 /*    _gxe_horizontal_list_create                         PORTABLE C      */
36 /*                                                           6.1          */
37 /*  AUTHOR                                                                */
38 /*                                                                        */
39 /*    Kenneth Maxwell, Microsoft Corporation                              */
40 /*                                                                        */
41 /*  DESCRIPTION                                                           */
42 /*                                                                        */
43 /*    This function checks for errors in the horizontal list create       */
44 /*    function call.                                                      */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    horizontal_list                       Horizontal list widget control*/
49 /*                                          block                         */
50 /*    name                                  Name of horizontal list       */
51 /*    parent                                Pointer to parent widget      */
52 /*    total_columns                         Total number of columsn in    */
53 /*                                          horizontal list               */
54 /*    style                                 Style of scrollbar widget     */
55 /*    horizontal_list_id                      Application-defined ID of   */
56 /*                                          horizontal list               */
57 /*    size                                  Dimensions of horizontal list */
58 /*    horizontal_list_control_block_size      Size of the horizontal list */
59 /*                                            control block               */
60 /*                                                                        */
61 /*  OUTPUT                                                                */
62 /*                                                                        */
63 /*    status                                Completion status             */
64 /*                                                                        */
65 /*  CALLS                                                                 */
66 /*                                                                        */
67 /*    _gx_horizontal_list_create            Actual horizontal list create */
68 /*                                            function                    */
69 /*                                                                        */
70 /*  CALLED BY                                                             */
71 /*                                                                        */
72 /*    Application Code                                                    */
73 /*                                                                        */
74 /*  RELEASE HISTORY                                                       */
75 /*                                                                        */
76 /*    DATE              NAME                      DESCRIPTION             */
77 /*                                                                        */
78 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
79 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
80 /*                                            resulting in version 6.1    */
81 /*                                                                        */
82 /**************************************************************************/
_gxe_horizontal_list_create(GX_HORIZONTAL_LIST * horizontal_list,GX_CONST GX_CHAR * name,GX_WIDGET * parent,INT total_columns,VOID (* callback)(GX_HORIZONTAL_LIST *,GX_WIDGET *,INT),ULONG style,USHORT horizontal_list_id,GX_CONST GX_RECTANGLE * size,UINT horizontal_list_control_block_size)83 UINT  _gxe_horizontal_list_create(GX_HORIZONTAL_LIST *horizontal_list,
84                                   GX_CONST GX_CHAR *name,
85                                   GX_WIDGET *parent, INT total_columns,
86                                   VOID (*callback)(GX_HORIZONTAL_LIST *, GX_WIDGET *, INT),
87                                   ULONG style, USHORT horizontal_list_id,
88                                   GX_CONST GX_RECTANGLE *size,
89                                   UINT horizontal_list_control_block_size)
90 {
91 UINT status;
92 
93     /* Check for appropriate caller.  */
94     GX_INIT_AND_THREADS_CALLER_CHECKING
95 
96     /* Check for invalid input pointers.  */
97     if ((horizontal_list == GX_NULL) || (size == GX_NULL))
98     {
99         return GX_PTR_ERROR;
100     }
101 
102     if (horizontal_list_control_block_size != sizeof(GX_HORIZONTAL_LIST))
103     {
104         return(GX_INVALID_SIZE);
105     }
106 
107     /* Check for id is created.  */
108     if (horizontal_list -> gx_widget_type != 0)
109     {
110         return GX_ALREADY_CREATED;
111     }
112 
113     /* Check for valid number of rows .  */
114     if (total_columns <= 0)
115     {
116         return GX_INVALID_VALUE;
117     }
118 
119     /* Call the actual horizontal list create function.  */
120     status = _gx_horizontal_list_create(horizontal_list, name, parent, total_columns, callback, style, horizontal_list_id, size);
121 
122     /* Return completion status.  */
123     return status;
124 }
125 
126