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 /**   Display Management (Display)                                        */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_display.h"
28 
29 /* Bring in externs for caller checking code.  */
30 GX_CALLER_CHECKING_EXTERNS
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _gxe_display_active_language_set                    PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Kenneth Maxwell, Microsoft Corporation                              */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This service checks for errors in active language set call.         */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    display                               pointer to display instance   */
49 /*    language                              Language index                */
50 /*                                                                        */
51 /*  OUTPUT                                                                */
52 /*                                                                        */
53 /*    status                                Completion status             */
54 /*                                                                        */
55 /*  CALLS                                                                 */
56 /*                                                                        */
57 /*    _gx_display_active_language_set      Actual active language set     */
58 /*                                            call.                       */
59 /*                                                                        */
60 /*  CALLED BY                                                             */
61 /*                                                                        */
62 /*    Application Code                                                    */
63 /*                                                                        */
64 /*  RELEASE HISTORY                                                       */
65 /*                                                                        */
66 /*    DATE              NAME                      DESCRIPTION             */
67 /*                                                                        */
68 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
69 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
70 /*                                            resulting in version 6.1    */
71 /*                                                                        */
72 /**************************************************************************/
_gxe_display_active_language_set(GX_DISPLAY * display,GX_UBYTE language)73 UINT  _gxe_display_active_language_set(GX_DISPLAY *display, GX_UBYTE language)
74 {
75 UINT status;
76 
77     /* Check for invalid caller.  */
78     GX_INIT_AND_THREADS_CALLER_CHECKING
79 
80     if (display == GX_NULL)
81     {
82         return GX_PTR_ERROR;
83     }
84 
85 #if defined(GX_ENABLE_DEPRECATED_STRING_API)
86     if ((display -> gx_display_language_table_deprecated == GX_NULL) &&
87         (display -> gx_display_language_table == GX_NULL))
88     {
89         return GX_PTR_ERROR;
90     }
91 #else
92     if (display -> gx_display_language_table == GX_NULL)
93     {
94         return GX_PTR_ERROR;
95     }
96 #endif
97 
98     if (display -> gx_display_language_table_size <= language)
99     {
100         return GX_INVALID_VALUE;
101     }
102     status = _gx_display_active_language_set(display, language);
103 
104     /* Return status.  */
105     return(status);
106 }
107 
108