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 /*  FUNCTION                                               RELEASE        */
32 /*                                                                        */
33 /*    _gx_system_event_send                               PORTABLE C      */
34 /*                                                           6.1.11       */
35 /*  AUTHOR                                                                */
36 /*                                                                        */
37 /*    Kenneth Maxwell, Microsoft Corporation                              */
38 /*                                                                        */
39 /*  DESCRIPTION                                                           */
40 /*                                                                        */
41 /*    This service sends the specified event for processing.              */
42 /*                                                                        */
43 /*  INPUT                                                                 */
44 /*                                                                        */
45 /*    event                                 Pointer to event              */
46 /*                                                                        */
47 /*  OUTPUT                                                                */
48 /*                                                                        */
49 /*    status                                Completion status             */
50 /*                                                                        */
51 /*  CALLS                                                                 */
52 /*                                                                        */
53 /*    GX_ABS                                Compute the absolute value    */
54 /*    tx_queue_send                         Send message through ThreadX  */
55 /*                                            queue                       */
56 /*    _gx_system_pen_speed_init             Initialize pen speed          */
57 /*    _gx_system_pen_speed_update           Update pen speed              */
58 /*    _gx_system_pen_flick_test             Check for pen flick event     */
59 /*                                                                        */
60 /*  CALLED BY                                                             */
61 /*                                                                        */
62 /*    GUIX Application                                                    */
63 /*    GUIX Internal Code                                                  */
64 /*                                                                        */
65 /*  RELEASE HISTORY                                                       */
66 /*                                                                        */
67 /*    DATE              NAME                      DESCRIPTION             */
68 /*                                                                        */
69 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
70 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
71 /*                                            resulting in version 6.1    */
72 /*  04-25-2022     Ting Zhu                 Modified comment(s),          */
73 /*                                            improved logic,             */
74 /*                                            resulting in version 6.1.11 */
75 /*                                                                        */
76 /**************************************************************************/
_gx_system_event_send(GX_EVENT * in_event)77 UINT  _gx_system_event_send(GX_EVENT *in_event)
78 {
79 UINT       status = GX_SYSTEM_ERROR;
80 GX_BOOL    check_send_flick = GX_FALSE;
81 GX_WIDGET *target = GX_NULL;
82 
83     switch (in_event -> gx_event_type)
84     {
85     case GX_EVENT_PEN_DOWN:
86         _gx_system_pen_speed_init(&in_event -> gx_event_payload.gx_event_pointdata);
87         break;
88 
89     case GX_EVENT_PEN_DRAG:
90         _gx_system_pen_speed_update(&in_event -> gx_event_payload.gx_event_pointdata);
91         break;
92 
93     case GX_EVENT_PEN_UP:
94         check_send_flick = GX_TRUE;
95 
96         if (_gx_system_capture_count > 0)
97         {
98             /* Get the widget that owns the system input.  */
99             target = *_gx_system_input_capture_stack;
100         }
101         break;
102     }
103 
104 #ifdef GX_THREADX_BINDING
105     if (tx_queue_send(&_gx_system_event_queue, in_event, TX_NO_WAIT) ==
106         TX_SUCCESS)
107     {
108 
109         status = GX_SUCCESS;
110     }
111 #else
112     GX_EVENT_PUSH(in_event);
113 #endif
114 
115     if (check_send_flick)
116     {
117         _gx_system_pen_flick_test(target);
118     }
119     return status;
120 }
121 
122