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_widget.h"
28 #include "gx_slider.h"
29
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _gx_slider_create PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* Kenneth Maxwell, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This service creates a slider. */
44 /* */
45 /* INPUT */
46 /* */
47 /* slider Slider control block */
48 /* name Name of prompt */
49 /* parent Parent widget control block */
50 /* tick_count Number of slider ticks */
51 /* slider_info Pointer to slider info */
52 /* style Style of slider */
53 /* slider_id Application-defined ID of */
54 /* slider */
55 /* size Dimensions of slider */
56 /* */
57 /* OUTPUT */
58 /* */
59 /* status Completion status */
60 /* */
61 /* CALLS */
62 /* */
63 /* memset Set control block to zero */
64 /* _gx_widget_create Create the underlying widget */
65 /* _gx_widget_width_get Retrieve the width of the */
66 /* widget */
67 /* _gx_widget_height_get Retrieve the height of the */
68 /* widget */
69 /* _gx_widget_link Link the widget to its parent */
70 /* */
71 /* CALLED BY */
72 /* */
73 /* Application Code */
74 /* */
75 /* RELEASE HISTORY */
76 /* */
77 /* DATE NAME DESCRIPTION */
78 /* */
79 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
80 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
81 /* resulting in version 6.1 */
82 /* */
83 /**************************************************************************/
_gx_slider_create(GX_SLIDER * slider,GX_CONST GX_CHAR * name,GX_WIDGET * parent,INT tick_count,GX_SLIDER_INFO * slider_info,ULONG style,USHORT slider_id,GX_CONST GX_RECTANGLE * size)84 UINT _gx_slider_create(GX_SLIDER *slider, GX_CONST GX_CHAR *name,
85 GX_WIDGET *parent, INT tick_count,
86 GX_SLIDER_INFO *slider_info, ULONG style,
87 USHORT slider_id, GX_CONST GX_RECTANGLE *size)
88 {
89
90 /* Call the widget create function. */
91 _gx_widget_create((GX_WIDGET *)slider, name, GX_NULL, style, slider_id, size);
92
93 /* Populate the rest of slider control block - overriding as necessary. */
94 slider -> gx_widget_type = GX_TYPE_SLIDER;
95
96 slider -> gx_slider_info = *slider_info;
97 if (slider -> gx_slider_info.gx_slider_info_needle_width <= 0)
98 {
99 if (style & GX_STYLE_SLIDER_VERTICAL)
100 {
101 _gx_widget_width_get((GX_WIDGET *)slider, &slider -> gx_slider_info.gx_slider_info_needle_width);
102 slider -> gx_slider_info.gx_slider_info_needle_width /= 2;
103 }
104 else
105 {
106 slider -> gx_slider_info.gx_slider_info_needle_width = GX_SLIDER_NEEDLE_WIDTH;
107 }
108 }
109 if (slider -> gx_slider_info.gx_slider_info_needle_height <= 0)
110 {
111 if (style & GX_STYLE_SLIDER_VERTICAL)
112 {
113 slider -> gx_slider_info.gx_slider_info_needle_height = GX_SLIDER_NEEDLE_WIDTH;
114 }
115 else
116 {
117 _gx_widget_height_get((GX_WIDGET *)slider, &slider -> gx_slider_info.gx_slider_info_needle_height);
118 slider -> gx_slider_info.gx_slider_info_needle_height /= 2;
119 }
120 }
121 slider -> gx_widget_normal_fill_color = GX_COLOR_ID_BUTTON_UPPER;
122 slider -> gx_widget_selected_fill_color = GX_COLOR_ID_BUTTON_UPPER;
123 slider -> gx_slider_tick_color = GX_COLOR_ID_SLIDER_TICK;
124 slider -> gx_slider_tick_count = tick_count;
125 slider -> gx_widget_draw_function = (VOID (*)(GX_WIDGET *))_gx_slider_draw;
126 slider -> gx_widget_event_process_function = (UINT (*)(GX_WIDGET *, GX_EVENT *))_gx_slider_event_process;
127
128 /* Determine if a parent widget was provided. */
129 if (parent)
130 {
131 _gx_widget_link(parent, (GX_WIDGET *)slider);
132 }
133
134 /* Return the status from widget create. */
135 return(GX_SUCCESS);
136 }
137
138
