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_system.h"
28 #include "gx_canvas.h"
29 #include "gx_context.h"
30 #include "gx_widget.h"
31 #include "gx_button.h"
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _gx_radio_button_draw PORTABLE C */
38 /* 6.1 */
39 /* AUTHOR */
40 /* */
41 /* Kenneth Maxwell, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* This service draws a radio button widget. */
46 /* */
47 /* INPUT */
48 /* */
49 /* button Pointer to radio button */
50 /* widget control block */
51 /* */
52 /* OUTPUT */
53 /* */
54 /* None */
55 /* */
56 /* CALLS */
57 /* */
58 /* _gx_context_pixelmap_get Retrieve pixelmap image */
59 /* _gx_canvas_pixelmap_draw Draw the pixelmap */
60 /* _gx_widget_text_id_draw Draw the text based on ID */
61 /* _gx_widget_text_draw Draw the text string */
62 /* _gx_widget_children_draw Draw children widgets */
63 /* */
64 /* CALLED BY */
65 /* */
66 /* Application Code */
67 /* GUIX Internal Code */
68 /* */
69 /* RELEASE HISTORY */
70 /* */
71 /* DATE NAME DESCRIPTION */
72 /* */
73 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
74 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
75 /* improved logic, */
76 /* resulting in version 6.1 */
77 /* */
78 /**************************************************************************/
_gx_radio_button_draw(GX_RADIO_BUTTON * button)79 VOID _gx_radio_button_draw(GX_RADIO_BUTTON *button)
80 {
81
82 GX_VALUE xoffset = 0;
83 GX_VALUE yoffset = 0;
84 GX_RESOURCE_ID text_color;
85 GX_RESOURCE_ID fill_color;
86 GX_RESOURCE_ID pixelmap_id;
87 GX_PIXELMAP *pixelmap = GX_NULL;
88 GX_STRING string;
89
90 if (button -> gx_widget_style & GX_STYLE_ENABLED)
91 {
92
93 if (button -> gx_widget_style & GX_STYLE_BUTTON_PUSHED)
94 {
95 fill_color = button -> gx_widget_selected_fill_color;
96 text_color = button -> gx_text_button_selected_text_color;
97 pixelmap_id = button -> gx_radio_button_on_pixelmap_id;
98 }
99 else
100 {
101 fill_color = button -> gx_widget_normal_fill_color;
102 text_color = button -> gx_text_button_normal_text_color;
103 pixelmap_id = button -> gx_radio_button_off_pixelmap_id;
104 }
105 }
106 else
107 {
108 fill_color = button -> gx_widget_disabled_fill_color;
109 text_color = button -> gx_text_button_disabled_text_color;
110
111 if (button -> gx_widget_style & GX_STYLE_BUTTON_PUSHED)
112 {
113 pixelmap_id = button -> gx_radio_button_on_disabled_pixelmap_id;
114 }
115 else
116 {
117 pixelmap_id = button -> gx_radio_button_off_disabled_pixelmap_id;
118 }
119 }
120
121 if (!(button -> gx_widget_status & GX_STATUS_TRANSPARENT))
122 {
123 _gx_widget_border_draw((GX_WIDGET *)button, GX_COLOR_ID_DEFAULT_BORDER, fill_color, fill_color, GX_TRUE);
124 }
125
126 if (pixelmap_id)
127 {
128 _gx_context_pixelmap_get(pixelmap_id, &pixelmap);
129 }
130 if (pixelmap)
131 {
132 _gx_widget_height_get((GX_WIDGET *)button, &yoffset);
133 yoffset = (GX_VALUE)((yoffset - pixelmap -> gx_pixelmap_height) / 2);
134
135 switch (button -> gx_widget_style & GX_STYLE_TEXT_ALIGNMENT_MASK)
136 {
137 case GX_STYLE_TEXT_RIGHT:
138 _gx_widget_width_get((GX_WIDGET *)button, &xoffset);
139 xoffset = (GX_VALUE)(xoffset - pixelmap -> gx_pixelmap_width + 1);
140 /* draw the pixelmap on the right */
141 _gx_canvas_pixelmap_draw((GX_VALUE)(button -> gx_widget_size.gx_rectangle_right -
142 pixelmap -> gx_pixelmap_width + 1),
143 (GX_VALUE)(button -> gx_widget_size.gx_rectangle_top + yoffset), pixelmap);
144
145 /* draw the text to the left of the bitmap */
146 xoffset = (GX_VALUE)(-(pixelmap -> gx_pixelmap_width * 3 / 2));
147 break;
148
149 case GX_STYLE_TEXT_CENTER:
150 /* draw the pixelmap and text centered */
151 _gx_widget_width_get((GX_WIDGET *)button, &xoffset);
152 xoffset = (GX_VALUE)((xoffset - pixelmap -> gx_pixelmap_width) / 2);
153
154 /* draw the pixelmap centered */
155 _gx_canvas_pixelmap_draw((GX_VALUE)(button -> gx_widget_size.gx_rectangle_left + xoffset),
156 (GX_VALUE)(button -> gx_widget_size.gx_rectangle_top + yoffset), pixelmap);
157 /* draw the text centered: */
158 xoffset = 0;
159 break;
160
161 case GX_STYLE_TEXT_LEFT:
162 default:
163 /* draw the pixelmap on the left */
164 _gx_canvas_pixelmap_draw(button -> gx_widget_size.gx_rectangle_left,
165 (GX_VALUE)(button -> gx_widget_size.gx_rectangle_top + yoffset), pixelmap);
166
167 /* draw the text to the right of the pixelmap */
168 xoffset = (GX_VALUE)(pixelmap -> gx_pixelmap_width * 3 / 2);
169 break;
170 }
171 }
172
173
174 _gx_text_button_text_get_ext((GX_TEXT_BUTTON *)button, &string);
175
176 if (string.gx_string_ptr)
177 {
178 _gx_widget_text_draw_ext((GX_WIDGET *)button, text_color,
179 button -> gx_text_button_font_id,
180 &string, xoffset, 0);
181 }
182
183 /* Draw button's children. */
184 _gx_widget_children_draw((GX_WIDGET *)button);
185 }
186
187
