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 /**   System Management (System)                                          */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_system.h"
28 
29 
30 /**************************************************************************/
31 /*                                                                        */
32 /*  FUNCTION                                               RELEASE        */
33 /*                                                                        */
34 /*    _gx_system_bidi_text_enable                         PORTABLE C      */
35 /*                                                           6.1          */
36 /*  AUTHOR                                                                */
37 /*                                                                        */
38 /*    Kenneth Maxwell, Microsoft Corporation                              */
39 /*                                                                        */
40 /*  DESCRIPTION                                                           */
41 /*                                                                        */
42 /*    This function enables display of bi-directional text.               */
43 /*                                                                        */
44 /*  INPUT                                                                 */
45 /*                                                                        */
46 /*    None                                                                */
47 /*                                                                        */
48 /*  OUTPUT                                                                */
49 /*                                                                        */
50 /*    None                                                                */
51 /*                                                                        */
52 /*  CALLS                                                                 */
53 /*                                                                        */
54 /*    None                                                                */
55 /*                                                                        */
56 /*  CALLED BY                                                             */
57 /*                                                                        */
58 /*    GUIX Internal Code                                                  */
59 /*                                                                        */
60 /*  RELEASE HISTORY                                                       */
61 /*                                                                        */
62 /*    DATE              NAME                      DESCRIPTION             */
63 /*                                                                        */
64 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
65 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
66 /*                                            added logic to send dynamic */
67 /*                                            bidi text enable event,     */
68 /*                                            resulting in version 6.1    */
69 /*                                                                        */
70 /**************************************************************************/
71 #if defined(GX_DYNAMIC_BIDI_TEXT_SUPPORT)
_gx_system_bidi_text_enable(VOID)72 UINT  _gx_system_bidi_text_enable(VOID)
73 {
74 GX_WINDOW_ROOT *root;
75 GX_EVENT        bidi_text_event;
76 
77     _gx_system_bidi_text_enabled = GX_TRUE;
78 
79     memset(&bidi_text_event, 0, sizeof(GX_EVENT));
80     bidi_text_event.gx_event_type = GX_EVENT_DYNAMIC_BIDI_TEXT_ENABLE;
81 
82     root = (GX_WINDOW_ROOT *)_gx_system_root_window_created_list;
83     while (root)
84     {
85         if (root -> gx_window_root_canvas)
86         {
87             root -> gx_widget_event_process_function((GX_WIDGET *)root, &bidi_text_event);
88         }
89         root = (GX_WINDOW_ROOT *)root -> gx_widget_next;
90     }
91 
92     _gx_system_all_canvas_dirty();
93 
94     return GX_SUCCESS;
95 }
96 #endif
97 
98