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_pixelmap_slider_pixelmap_update PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* Kenneth Maxwell, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function creates a pixelmap slider, which is a type of widget */
44 /* for displaying a user-adjustable value in graphical fashion. */
45 /* */
46 /* INPUT */
47 /* */
48 /* slider Slider control block */
49 /* pixinfo Slider infomration block */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* status Completion status */
54 /* */
55 /* CALLS */
56 /* */
57 /* _gx_widget_pixelmap_get Retrieve the pixelmap */
58 /* _gx_widget_status_add Add status flag */
59 /* _gx_system_dirty_mark Mark the widget as dirty */
60 /* */
61 /* CALLED BY */
62 /* */
63 /* _gx_pixelmap_slider_event_process Event process routine for */
64 /* pixelmap slider widget */
65 /* _gx_pixelmap_slider_pixelmap_set Assign pixelmap to the */
66 /* pixelmap slider widget */
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 /* */
76 /**************************************************************************/
_gx_pixelmap_slider_pixelmap_update(GX_PIXELMAP_SLIDER * slider)77 VOID _gx_pixelmap_slider_pixelmap_update(GX_PIXELMAP_SLIDER *slider)
78 {
79 GX_PIXELMAP_SLIDER_INFO *pixelmap_info = &slider -> gx_pixelmap_slider_pixelmap_info;
80 GX_WIDGET *widget = (GX_WIDGET *)slider;
81 GX_PIXELMAP *map;
82
83 /* if any of my pixelmaps are transparent, give myself transparent status */
84
85 if (pixelmap_info -> gx_pixelmap_slider_info_needle_pixelmap)
86 {
87 _gx_widget_pixelmap_get(widget, pixelmap_info -> gx_pixelmap_slider_info_needle_pixelmap, &map);
88
89 if (map)
90 {
91 slider -> gx_slider_info.gx_slider_info_needle_height = map -> gx_pixelmap_height;
92 slider -> gx_slider_info.gx_slider_info_needle_width = map -> gx_pixelmap_width;
93
94 if (PIXELMAP_IS_TRANSPARENT(map))
95 {
96 _gx_widget_status_add((GX_WIDGET *)slider, GX_STATUS_TRANSPARENT);
97 }
98 }
99 }
100
101 if (pixelmap_info -> gx_pixelmap_slider_info_lower_background_pixelmap)
102 {
103 _gx_widget_pixelmap_get(widget, pixelmap_info -> gx_pixelmap_slider_info_lower_background_pixelmap, &map);
104
105 if (map && PIXELMAP_IS_TRANSPARENT(map))
106 {
107 _gx_widget_status_add((GX_WIDGET *)slider, GX_STATUS_TRANSPARENT);
108 }
109 }
110 }
111
112
