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 /** Menu Management (Menu) */
18 /** */
19 /**************************************************************************/
20
21 #define GX_SOURCE_CODE
22
23
24 /* Include necessary system files. */
25
26 #include "gx_api.h"
27 #include "gx_menu.h"
28 #include "gx_widget.h"
29 #include "gx_system.h"
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _gx_menu_one_level_position PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* Kenneth Maxwell, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function positions first level items for a menu widget. */
44 /* */
45 /* INPUT */
46 /* */
47 /* menu Pointer to menu control block */
48 /* indentation Menu indentations */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* status Completion status */
53 /* */
54 /* CALLS */
55 /* */
56 /* _gx_widget_resize Resize a widget */
57 /* _gx_widget_detach Detach a widget from its */
58 /* parent */
59 /* */
60 /* CALLED BY */
61 /* */
62 /* GUIX Internal Code */
63 /* */
64 /* RELEASE HISTORY */
65 /* */
66 /* DATE NAME DESCRIPTION */
67 /* */
68 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
69 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
70 /* resulting in version 6.1 */
71 /* */
72 /**************************************************************************/
_gx_menu_one_level_position(GX_MENU * menu,GX_VALUE indentation)73 UINT _gx_menu_one_level_position(GX_MENU *menu, GX_VALUE indentation)
74 {
75 GX_RECTANGLE *menu_size = &menu -> gx_widget_size;
76 GX_WIDGET *list = (GX_WIDGET *)&menu -> gx_menu_list;
77 GX_WIDGET *item;
78 GX_RECTANGLE size;
79 GX_VALUE height;
80 GX_VALUE width;
81 INT max_width = 0;
82 GX_MENU_LIST *item_list;
83
84 size.gx_rectangle_left = (GX_VALUE)(menu_size -> gx_rectangle_left + indentation);
85 size.gx_rectangle_right = (GX_VALUE)(menu_size -> gx_rectangle_right);
86 size.gx_rectangle_top = (GX_VALUE)(menu_size -> gx_rectangle_bottom + 1);
87 size.gx_rectangle_bottom = (GX_VALUE)(size.gx_rectangle_top - 1);
88
89 /* Reposition menu list. */
90 _gx_widget_resize(list, &size);
91
92 if (menu -> gx_widget_style & GX_STYLE_MENU_EXPANDED)
93 {
94 if (!list -> gx_widget_parent)
95 {
96 _gx_widget_link(menu -> gx_widget_parent, (GX_WIDGET *)list);
97 }
98 }
99 else
100 {
101 if (list -> gx_widget_parent)
102 {
103 _gx_widget_detach((GX_WIDGET *)list);
104 }
105 }
106
107 item = list -> gx_widget_first_child;
108 size.gx_rectangle_bottom = menu_size -> gx_rectangle_bottom;
109
110 /* Reposition items of menu list. */
111 while (item)
112 {
113 if (item -> gx_widget_type == GX_TYPE_MENU_LIST)
114 {
115 item = item -> gx_widget_next;
116 continue;
117 }
118
119 height = (GX_VALUE)(item -> gx_widget_size.gx_rectangle_bottom - item -> gx_widget_size.gx_rectangle_top + 1);
120 width = (GX_VALUE)(item -> gx_widget_size.gx_rectangle_right - item -> gx_widget_size.gx_rectangle_left + 1);
121
122 if (width > max_width)
123 {
124 max_width = width;
125 }
126
127 size.gx_rectangle_top = (GX_VALUE)(size.gx_rectangle_bottom + 1);
128 size.gx_rectangle_bottom = (GX_VALUE)(size.gx_rectangle_top + height - 1);
129 size.gx_rectangle_right = (GX_VALUE)(size.gx_rectangle_left + width - 1);
130
131 _gx_widget_resize(item, &size);
132
133 switch (item -> gx_widget_type)
134 {
135 case GX_TYPE_MENU:
136 item_list = &((GX_MENU *)item) -> gx_menu_list;
137 if (item_list -> gx_widget_parent)
138 {
139 _gx_widget_shift((GX_WIDGET *)item_list,
140 (GX_VALUE)(size.gx_rectangle_left + indentation - item_list -> gx_widget_size.gx_rectangle_left),
141 (GX_VALUE)(size.gx_rectangle_bottom + 1 - item_list -> gx_widget_size.gx_rectangle_top), GX_FALSE);
142
143 height = (GX_VALUE)(item_list -> gx_widget_size.gx_rectangle_bottom - size.gx_rectangle_top + 1);
144 width = (GX_VALUE)(item_list -> gx_widget_size.gx_rectangle_right - size.gx_rectangle_left + 1);
145
146 if (width > max_width)
147 {
148 max_width = width;
149 }
150 }
151 break;
152
153 default:
154 break;
155 }
156
157 size.gx_rectangle_bottom = (GX_VALUE)(size.gx_rectangle_top + height - 1);
158
159 item = item -> gx_widget_next;
160 }
161
162 if (menu -> gx_widget_style & GX_STYLE_MENU_EXPANDED)
163 {
164 size.gx_rectangle_top = (GX_VALUE)(menu_size -> gx_rectangle_bottom + 1);
165 size.gx_rectangle_right = (GX_VALUE)(size.gx_rectangle_left + max_width - 1);
166 _gx_widget_resize(list, &size);
167 }
168
169 /* Return completion status code. */
170 return(GX_SUCCESS);
171 }
172
173 /**************************************************************************/
174 /* */
175 /* FUNCTION RELEASE */
176 /* */
177 /* _gx_menu_position PORTABLE C */
178 /* 6.1 */
179 /* AUTHOR */
180 /* */
181 /* Kenneth Maxwell, Microsoft Corporation */
182 /* */
183 /* DESCRIPTION */
184 /* */
185 /* This function positions a menu and its menu list. */
186 /* */
187 /* INPUT */
188 /* */
189 /* menu Pointer to menu control block */
190 /* */
191 /* OUTPUT */
192 /* */
193 /* status Completion status */
194 /* */
195 /* CALLS */
196 /* */
197 /* _gx_menu_one_level_position Position a menu widget */
198 /* */
199 /* CALLED BY */
200 /* */
201 /* GUIX Internal Code */
202 /* */
203 /* RELEASE HISTORY */
204 /* */
205 /* DATE NAME DESCRIPTION */
206 /* */
207 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
208 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
209 /* resulting in version 6.1 */
210 /* */
211 /**************************************************************************/
_gx_menu_position(GX_MENU * menu,GX_VALUE indentation)212 UINT _gx_menu_position(GX_MENU *menu, GX_VALUE indentation)
213 {
214 UINT status = GX_SUCCESS;
215 GX_WIDGET *parent = (GX_WIDGET *)menu;
216 GX_WIDGET *child;
217 GX_MENU_LIST *child_list;
218
219 child = menu -> gx_menu_list.gx_widget_first_child;
220
221 /* Reposition items of menu list. */
222 while (child)
223 {
224 if (child -> gx_widget_type == GX_TYPE_MENU)
225 {
226 child_list = &((GX_MENU *)child) -> gx_menu_list;
227
228 if (child_list -> gx_widget_first_child)
229 {
230 child = child_list -> gx_widget_first_child;
231 continue;
232 }
233 else if (child_list -> gx_widget_parent)
234 {
235 _gx_widget_detach((GX_WIDGET *)child_list);
236 }
237 }
238
239 while ((child -> gx_widget_next == GX_NULL) && (child != parent))
240 {
241 /* Child parent is menu list. */
242 child_list = (GX_MENU_LIST *)child -> gx_widget_parent;
243 child = child_list -> gx_menu_list_owner;
244
245 _gx_menu_one_level_position((GX_MENU *)child, indentation);
246 }
247
248 if (child == parent)
249 {
250 break;
251 }
252
253 child = child -> gx_widget_next;
254 }
255
256 /* Return completion status code. */
257 return(status);
258 }
259
260
