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 /** Vertical List (List) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "gx_api.h"
28 #include "gx_widget.h"
29 #include "gx_window.h"
30 #include "gx_system.h"
31 #include "gx_scrollbar.h"
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _gx_vetical_list_create PORTABLE C */
38 /* 6.1.10 */
39 /* AUTHOR */
40 /* */
41 /* Kenneth Maxwell, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* This service creates a vertical list. */
46 /* */
47 /* INPUT */
48 /* */
49 /* vertical_list Vertical list control block */
50 /* name Name of vertical list */
51 /* parent Pointer to parent widget */
52 /* total_rows Total number of rows in */
53 /* vertical list */
54 /* callback User-specified Callback */
55 /* function */
56 /* style Style of scrollbar widget */
57 /* vertical_list_id Application-defined ID of */
58 /* vertical list */
59 /* size Dimensions of vertical list */
60 /* */
61 /* OUTPUT */
62 /* */
63 /* status Completion status */
64 /* */
65 /* CALLS */
66 /* */
67 /* _gx_window_create Create the underlying window */
68 /* _gx_widget_link Link the widget to its parent */
69 /* */
70 /* CALLED BY */
71 /* */
72 /* Application Code */
73 /* */
74 /* RELEASE HISTORY */
75 /* */
76 /* DATE NAME DESCRIPTION */
77 /* */
78 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
79 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
80 /* resulting in version 6.1 */
81 /* 01-31-2022 Ting Zhu Modified comment(s), */
82 /* initialized new vertical */
83 /* list control block member, */
84 /* resulting in version 6.1.10 */
85 /* */
86 /**************************************************************************/
_gx_vertical_list_create(GX_VERTICAL_LIST * vertical_list,GX_CONST GX_CHAR * name,GX_WIDGET * parent,INT total_rows,VOID (* callback)(GX_VERTICAL_LIST *,GX_WIDGET *,INT),ULONG style,USHORT vertical_list_id,GX_CONST GX_RECTANGLE * size)87 UINT _gx_vertical_list_create(GX_VERTICAL_LIST *vertical_list,
88 GX_CONST GX_CHAR *name,
89 GX_WIDGET *parent, INT total_rows,
90 VOID (*callback)(GX_VERTICAL_LIST *, GX_WIDGET *, INT),
91 ULONG style, USHORT vertical_list_id,
92 GX_CONST GX_RECTANGLE *size)
93 {
94
95 /* Call the widget create function. */
96 _gx_window_create((GX_WINDOW *)vertical_list, name, GX_NULL, style, vertical_list_id, size);
97
98 vertical_list -> gx_widget_type = GX_TYPE_VERTICAL_LIST;
99 vertical_list -> gx_widget_status |= GX_STATUS_NAV_PARENT;
100 vertical_list -> gx_widget_event_process_function = (UINT (*)(GX_WIDGET *, GX_EVENT *))_gx_vertical_list_event_process;
101
102 vertical_list -> gx_vertical_list_total_rows = total_rows;
103 vertical_list -> gx_vertical_list_top_index = 0;
104 vertical_list -> gx_vertical_list_pen_index = -1;
105 vertical_list -> gx_vertical_list_child_height = 1;
106 vertical_list -> gx_vertical_list_selected = 0;
107 vertical_list -> gx_vertical_list_callback = callback;
108 vertical_list -> gx_vertical_list_visible_rows = 0;
109 vertical_list -> gx_vertical_list_child_count = 0;
110 vertical_list -> gx_window_scroll_info_get = (VOID (*)(struct GX_WINDOW_STRUCT *, ULONG, GX_SCROLL_INFO *))_gx_vertical_list_scroll_info_get;
111 vertical_list -> gx_vertical_list_idle_child_list = GX_NULL;
112
113 /* Determine if a parent widget was provided. */
114 if (parent)
115 {
116 _gx_widget_link((GX_WIDGET *)parent, (GX_WIDGET *)vertical_list);
117 }
118
119 /* Return completion status. */
120 return(GX_SUCCESS);
121 }
122
123