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 /** Scroll Wheel Management (Scroll Wheel) */
18 /** */
19 /**************************************************************************/
20
21 #define GX_SOURCE_CODE
22
23
24 /* Include necessary system files. */
25
26 #include "gx_api.h"
27 #include "gx_window.h"
28 #include "gx_scroll_wheel.h"
29
30 /**************************************************************************/
31 /* */
32 /* FUNCTION RELEASE */
33 /* */
34 /* _gx_scroll_wheel_create PORTABLE C */
35 /* 6.1.7 */
36 /* AUTHOR */
37 /* */
38 /* Kenneth Maxwell, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function creates a scroll wheel selector widget. */
43 /* */
44 /* INPUT */
45 /* */
46 /* wheel Scroll wheel control block */
47 /* name Name of widget */
48 /* parent Parent widget control block */
49 /* total_rows Total rows of the scroll wheel*/
50 /* style Style of widget */
51 /* Id Application-defined ID of the */
52 /* the widget */
53 /* size Widget size */
54 /* */
55 /* OUTPUT */
56 /* */
57 /* status Completion status */
58 /* */
59 /* CALLS */
60 /* */
61 /* _gx_window_create Create a window */
62 /* */
63 /* CALLED BY */
64 /* */
65 /* Application Code */
66 /* GUIX Internal Code */
67 /* */
68 /* RELEASE HISTORY */
69 /* */
70 /* DATE NAME DESCRIPTION */
71 /* */
72 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
73 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
74 /* resulting in version 6.1 */
75 /* 06-02-2021 Ting Zhu Modified comment(s), */
76 /* updated with scroll wheel */
77 /* control block change, */
78 /* resulting in version 6.1.7 */
79 /* */
80 /**************************************************************************/
81
_gx_scroll_wheel_create(GX_SCROLL_WHEEL * wheel,GX_CONST GX_CHAR * name,GX_WIDGET * parent,INT total_rows,ULONG style,USHORT Id,GX_CONST GX_RECTANGLE * size)82 UINT _gx_scroll_wheel_create(GX_SCROLL_WHEEL *wheel, GX_CONST GX_CHAR *name,
83 GX_WIDGET *parent, INT total_rows,
84 ULONG style, USHORT Id, GX_CONST GX_RECTANGLE *size)
85 {
86
87 GX_PARAMETER_NOT_USED(parent);
88
89 _gx_window_create((GX_WINDOW *)wheel, name, GX_NULL, style, Id, size);
90
91 wheel -> gx_widget_type = GX_TYPE_SCROLL_WHEEL;
92 wheel -> gx_scroll_wheel_total_rows = total_rows;
93 wheel -> gx_scroll_wheel_row_height = 30;
94
95 memset(&wheel -> gx_scroll_wheel_gradient, 0, sizeof(GX_GRADIENT));
96
97 wheel -> gx_scroll_wheel_selected_row = 0;
98 wheel -> gx_scroll_wheel_selected_yshift = 0;
99 wheel -> gx_scroll_wheel_shift_error = 0;
100 wheel -> gx_scroll_wheel_animation_speed = 0;
101 wheel -> gx_scroll_wheel_animation_end_speed = 0;
102 wheel -> gx_scroll_wheel_animation_steps = 0;
103 wheel -> gx_scroll_wheel_animation_max_steps = 10;
104 wheel -> gx_scroll_wheel_animation_delay = 2;
105 wheel -> gx_scroll_wheel_animation_start_speed_rate = GX_FIXED_VAL_MAKE(1);
106 wheel -> gx_scroll_wheel_animation_end_speed_rate = 200;
107 wheel -> gx_scroll_wheel_selected_background = GX_NULL;
108 wheel -> gx_widget_event_process_function = (UINT (*)(GX_WIDGET *, GX_EVENT *))_gx_scroll_wheel_event_process;
109 wheel -> gx_scroll_wheel_scroll = _gx_scroll_wheel_scroll;
110 wheel -> gx_scroll_wheel_wrap_style_check = _gx_scroll_wheel_wrap_style_check;
111
112 return(GX_SUCCESS);
113 }
114
115
