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 /**   Slider Management (Slider)                                          */
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 #include "gx_slider.h"
29 
30 /* Bring in externs for caller checking code.  */
31 GX_CALLER_CHECKING_EXTERNS
32 
33 /**************************************************************************/
34 /*                                                                        */
35 /*  FUNCTION                                               RELEASE        */
36 /*                                                                        */
37 /*    _gxe_pixelmap_slider_event_process                  PORTABLE C      */
38 /*                                                           6.1          */
39 /*  AUTHOR                                                                */
40 /*                                                                        */
41 /*    Kenneth Maxwell, Microsoft Corporation                              */
42 /*                                                                        */
43 /*  DESCRIPTION                                                           */
44 /*                                                                        */
45 /*    This function checks errors in the pixelmap slider event process    */
46 /*    function.                                                           */
47 /*                                                                        */
48 /*  INPUT                                                                 */
49 /*                                                                        */
50 /*    slider                                Slider's widget control block */
51 /*    event_ptr                             Incoming event to process     */
52 /*                                                                        */
53 /*  OUTPUT                                                                */
54 /*                                                                        */
55 /*    status                                Completion status             */
56 /*                                                                        */
57 /*  CALLS                                                                 */
58 /*                                                                        */
59 /*    _gx_widget_event_process              Default widget event process  */
60 /*                                                                        */
61 /*  CALLED BY                                                             */
62 /*                                                                        */
63 /*    Application 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 /*                                                                        */
73 /**************************************************************************/
_gxe_pixelmap_slider_event_process(GX_PIXELMAP_SLIDER * slider,GX_EVENT * event_ptr)74 UINT  _gxe_pixelmap_slider_event_process(GX_PIXELMAP_SLIDER *slider, GX_EVENT *event_ptr)
75 {
76 
77 UINT status;
78 
79     /* Check for appropriate caller.  */
80     GX_INIT_AND_THREADS_CALLER_CHECKING
81 
82     /* Check error for valid pointer.  */
83     if ((slider == GX_NULL) || (event_ptr == GX_NULL))
84     {
85         return(GX_PTR_ERROR);
86     }
87 
88     /* Check for invalid widget. */
89     if (slider->gx_widget_type == 0)
90     {
91         return(GX_INVALID_WIDGET);
92     }
93 
94     status = _gx_pixelmap_slider_event_process(slider, event_ptr);
95 
96     /* Return completion status.  */
97     return(status);
98 }
99 
100