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 /**   Button Management (Button)                                          */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_widget.h"
28 #include "gx_button.h"
29 
30 
31 /**************************************************************************/
32 /*                                                                        */
33 /*  FUNCTION                                               RELEASE        */
34 /*                                                                        */
35 /*    _gx_button_create                                   PORTABLE C      */
36 /*                                                           6.1          */
37 /*  AUTHOR                                                                */
38 /*                                                                        */
39 /*    Kenneth Maxwell, Microsoft Corporation                              */
40 /*                                                                        */
41 /*  DESCRIPTION                                                           */
42 /*                                                                        */
43 /*    This function creates a vector button, which is a special type of   */
44 /*    prompt (widget).                                                    */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    button                                Pointer to button control     */
49 /*                                            block                       */
50 /*    name                                  Logical name of button        */
51 /*    parent                                Pointer to parent widget      */
52 /*                                            of button                   */
53 /*    style                                 Button stuyle                 */
54 /*    button_id                             Application-defined ID of     */
55 /*                                             the button                 */
56 /*    size                                  Size of the button            */
57 /*                                                                        */
58 /*  OUTPUT                                                                */
59 /*                                                                        */
60 /*    status                                Completion status             */
61 /*                                                                        */
62 /*  CALLS                                                                 */
63 /*                                                                        */
64 /*    _gx_widget_create                     Create the underlying prompt  */
65 /*    _gx_widget_status_add                 Set the widget status         */
66 /*    _gx_widget_link                       Link the widget to its parent */
67 /*                                                                        */
68 /*  CALLED BY                                                             */
69 /*                                                                        */
70 /*    Application Code                                                    */
71 /*    _gx_horizontal_scrollbar_create                                     */
72 /*    _gx_icon_button_create                                              */
73 /*    _gx_pixelmap_button_create                                          */
74 /*    _gx_scroll_thumb_create                                             */
75 /*    _gx_text_button_create                                              */
76 /*    _gx_vertical_scrollbar_create                                       */
77 /*    _gx_scroll_thumb_create                                             */
78 /*    _gx_text_button_create                                              */
79 /*                                                                        */
80 /*  RELEASE HISTORY                                                       */
81 /*                                                                        */
82 /*    DATE              NAME                      DESCRIPTION             */
83 /*                                                                        */
84 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
85 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
86 /*                                            fixed compiler warnings,    */
87 /*                                            resulting in version 6.1    */
88 /*                                                                        */
89 /**************************************************************************/
_gx_button_create(GX_BUTTON * button,GX_CONST GX_CHAR * name,GX_WIDGET * parent,ULONG style,USHORT button_id,GX_CONST GX_RECTANGLE * size)90 UINT  _gx_button_create(GX_BUTTON *button, GX_CONST GX_CHAR *name, GX_WIDGET *parent,
91                         ULONG style, USHORT button_id, GX_CONST GX_RECTANGLE *size)
92 {
93 
94     /* Call the widget create function.  */
95     _gx_widget_create((GX_WIDGET *)button, name, GX_NULL, style, button_id, size);
96 
97     /* Check for completion status on the prompt create.  */
98     /* Yes, the prompt widget was created successfully.  Populate the rest of
99        button control block - overriding as necessary.  */
100     button -> gx_widget_type = GX_TYPE_BUTTON;
101 
102     _gx_widget_status_add((GX_WIDGET *)button, GX_STATUS_BUTTON_DERIVED);
103 
104     button -> gx_button_select_handler = (VOID (*)(GX_WIDGET *))(void (*)(void))_gx_button_select;
105     button -> gx_button_deselect_handler = (VOID (*)(GX_WIDGET *, GX_BOOL))(void (*)(void))_gx_button_deselect;
106     button -> gx_widget_draw_function = (VOID (*)(GX_WIDGET *))_gx_button_draw;
107     button -> gx_widget_event_process_function =  (UINT (*)(GX_WIDGET *, GX_EVENT *))_gx_button_event_process;
108     button -> gx_widget_normal_fill_color =       GX_COLOR_ID_BUTTON_LOWER;
109     button -> gx_widget_selected_fill_color =     GX_COLOR_ID_BUTTON_UPPER;
110 
111     /* Determine if a parent widget was provided.  */
112     if (parent)
113     {
114         _gx_widget_link(parent, (GX_WIDGET *)button);
115     }
116 
117     /* Return the completion status code */
118     return(GX_SUCCESS);
119 }
120 
121