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 /**   Rich Text View Management (Rich Text View)                          */
19 /**                                                                       */
20 /**************************************************************************/
21 
22 #define GX_SOURCE_CODE
23 
24 
25 /* Include necessary system files.  */
26 
27 #include "gx_api.h"
28 #include "gx_system.h"
29 #include "gx_rich_text_view.h"
30 
31 /**************************************************************************/
32 /*                                                                        */
33 /*  COMPONENT DEFINITION                                   RELEASE        */
34 /*                                                                        */
35 /*    _gx_rich_text_view_context_peek                     PORTABLE C      */
36 /*                                                           6.1          */
37 /*  AUTHOR                                                                */
38 /*                                                                        */
39 /*    Kenneth Maxwell, Microsoft Corporation                              */
40 /*                                                                        */
41 /*  DESCRIPTION                                                           */
42 /*                                                                        */
43 /*    This function retrieves the element at the top of rich text context */
44 /*    stack.                                                              */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    context                               Retrieved top element.        */
49 /*                                                                        */
50 /*  OUTPUT                                                                */
51 /*                                                                        */
52 /*    status                                Completion status             */
53 /*                                                                        */
54 /*  CALLS                                                                 */
55 /*                                                                        */
56 /*    None                                                                */
57 /*                                                                        */
58 /*  CALLED BY                                                             */
59 /*                                                                        */
60 /*    GUIX Internal Code                                                  */
61 /*                                                                        */
62 /*  RELEASE HISTORY                                                       */
63 /*                                                                        */
64 /*    DATE              NAME                      DESCRIPTION             */
65 /*                                                                        */
66 /*  09-30-2020     Kenneth Maxwell          Initial Version 6.1           */
67 /*                                                                        */
68 /**************************************************************************/
_gx_rich_text_view_context_peek(GX_RICH_TEXT_CONTEXT * context)69 UINT  _gx_rich_text_view_context_peek(GX_RICH_TEXT_CONTEXT *context)
70 {
71 GX_UBYTE top;
72 
73     top = _gx_system_rich_text_context_stack.gx_rich_text_context_stack_top;
74 
75     if ((top <= 0) || (context == GX_NULL))
76     {
77         return GX_FAILURE;
78     }
79 
80     top--;
81 
82    *context = _gx_system_rich_text_context_stack.gx_rich_text_context_stack[top];
83 
84     return GX_SUCCESS;
85 }
86 
87