c9093a06 |
1 | /*++\r |
2 | \r |
3 | Copyright (c) 2004, Intel Corporation \r |
4 | All rights reserved. This program and the accompanying materials \r |
5 | are licensed and made available under the terms and conditions of the BSD License \r |
6 | which accompanies this distribution. The full text of the license may be found at \r |
7 | http://opensource.org/licenses/bsd-license.php \r |
8 | \r |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
11 | \r |
12 | Module Name:\r |
13 | \r |
14 | ConsoleIn.c\r |
15 | \r |
16 | Abstract:\r |
17 | \r |
18 | Console based on Win32 APIs. \r |
19 | \r |
20 | This file attaches a SimpleTextIn protocol to a previously open window.\r |
21 | \r |
22 | The constructor for this protocol depends on an open window. Currently\r |
23 | the SimpleTextOut protocol creates a window when it's constructor is called.\r |
24 | Thus this code must run after the constructor for the SimpleTextOut \r |
25 | protocol\r |
26 | \r |
27 | --*/\r |
28 | \r |
29 | #include "Console.h"\r |
30 | #include <sys/poll.h> |
31 | \r |
32 | //\r |
33 | // Private worker functions\r |
34 | //\r |
35 | STATIC\r |
36 | EFI_STATUS\r |
37 | UnixSimpleTextInCheckKey (\r |
38 | UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private\r |
39 | );\r |
40 | \r |
41 | EFI_STATUS\r |
42 | EFIAPI\r |
43 | UnixSimpleTextInReset (\r |
44 | IN EFI_SIMPLE_TEXT_IN_PROTOCOL *This,\r |
45 | IN BOOLEAN ExtendedVerification\r |
46 | )\r |
47 | /*++\r |
48 | \r |
49 | Routine Description:\r |
50 | \r |
51 | TODO: Add function description\r |
52 | \r |
53 | Arguments:\r |
54 | \r |
55 | This - TODO: add argument description\r |
56 | ExtendedVerification - TODO: add argument description\r |
57 | \r |
58 | Returns:\r |
59 | \r |
60 | EFI_SUCCESS - TODO: Add description for return value\r |
61 | \r |
62 | --*/\r |
63 | {\r |
64 | UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private;\r |
65 | \r |
66 | Private = UNIX_SIMPLE_TEXT_IN_PRIVATE_DATA_FROM_THIS (This);\r |
67 | return EFI_SUCCESS;\r |
68 | }\r |
69 | \r |
70 | STATIC\r |
71 | EFI_STATUS\r |
72 | UnixConvertInputRecordToEfiKey (\r |
73 | IN char c, |
74 | OUT EFI_INPUT_KEY *Key\r |
75 | )\r |
76 | /*++\r |
77 | \r |
78 | Routine Description:\r |
79 | \r |
80 | TODO: Add function description\r |
81 | \r |
82 | Arguments:\r |
83 | \r |
84 | InputRecord - TODO: add argument description\r |
85 | Key - TODO: add argument description\r |
86 | \r |
87 | Returns:\r |
88 | \r |
89 | EFI_NOT_READY - TODO: Add description for return value\r |
90 | EFI_NOT_READY - TODO: Add description for return value\r |
91 | EFI_NOT_READY - TODO: Add description for return value\r |
92 | EFI_SUCCESS - TODO: Add description for return value\r |
93 | \r |
94 | --*/\r |
95 | {\r |
96 | Key->ScanCode = 0;\r |
97 | if (c == '\n') |
98 | c = '\r'; |
99 | Key->UnicodeChar = c;\r |
100 | return EFI_SUCCESS;\r |
101 | }\r |
102 | \r |
103 | STATIC\r |
104 | EFI_STATUS\r |
105 | EFIAPI\r |
106 | UnixSimpleTextInReadKeyStroke (\r |
107 | IN EFI_SIMPLE_TEXT_IN_PROTOCOL *This,\r |
108 | OUT EFI_INPUT_KEY *Key\r |
109 | )\r |
110 | /*++\r |
111 | \r |
112 | Routine Description:\r |
113 | \r |
114 | TODO: Add function description\r |
115 | \r |
116 | Arguments:\r |
117 | \r |
118 | This - TODO: add argument description\r |
119 | Key - TODO: add argument description\r |
120 | \r |
121 | Returns:\r |
122 | \r |
123 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
124 | EFI_NOT_READY - TODO: Add description for return value\r |
125 | \r |
126 | --*/\r |
127 | {\r |
128 | EFI_STATUS Status;\r |
129 | UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private;\r |
130 | char c; |
131 | \r |
132 | Private = UNIX_SIMPLE_TEXT_IN_PRIVATE_DATA_FROM_THIS (This);\r |
133 | \r |
134 | Status = UnixSimpleTextInCheckKey (Private);\r |
135 | if (EFI_ERROR (Status)) {\r |
136 | return Status;\r |
137 | }\r |
138 | \r |
139 | if (Private->UnixThunk->Read (0, &c, 1) != 1) |
140 | return EFI_NOT_READY;\r |
141 | Status = UnixConvertInputRecordToEfiKey (c, Key);\r |
142 | \r |
143 | return Status;\r |
144 | }\r |
145 | \r |
146 | STATIC\r |
147 | VOID\r |
148 | EFIAPI\r |
149 | UnixSimpleTextInWaitForKey (\r |
150 | IN EFI_EVENT Event,\r |
151 | IN VOID *Context\r |
152 | )\r |
153 | /*++\r |
154 | \r |
155 | Routine Description:\r |
156 | \r |
157 | TODO: Add function description\r |
158 | \r |
159 | Arguments:\r |
160 | \r |
161 | Event - TODO: add argument description\r |
162 | Context - TODO: add argument description\r |
163 | \r |
164 | Returns:\r |
165 | \r |
166 | TODO: add return values\r |
167 | \r |
168 | --*/\r |
169 | {\r |
170 | UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private;\r |
171 | EFI_STATUS Status;\r |
172 | \r |
173 | Private = (UNIX_SIMPLE_TEXT_PRIVATE_DATA *) Context;\r |
174 | Status = UnixSimpleTextInCheckKey (Private);\r |
175 | if (!EFI_ERROR (Status)) {\r |
176 | gBS->SignalEvent (Event);\r |
177 | }\r |
178 | }\r |
179 | \r |
180 | STATIC\r |
181 | EFI_STATUS\r |
182 | UnixSimpleTextInCheckKey (\r |
183 | UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private\r |
184 | )\r |
185 | /*++\r |
186 | \r |
187 | Routine Description:\r |
188 | \r |
189 | TODO: Add function description\r |
190 | \r |
191 | Arguments:\r |
192 | \r |
193 | Private - TODO: add argument description\r |
194 | \r |
195 | Returns:\r |
196 | \r |
197 | TODO: add return values\r |
198 | \r |
199 | --*/\r |
200 | {\r |
201 | struct pollfd pfd; |
202 | \r |
203 | pfd.fd = 0; |
204 | pfd.events = POLLIN; |
205 | if (Private->UnixThunk->Poll (&pfd, 1, 0) <= 0) { |
206 | return EFI_NOT_READY;\r |
207 | }\r |
208 | return EFI_SUCCESS;\r |
209 | }\r |
210 | \r |
211 | EFI_STATUS\r |
212 | UnixSimpleTextInAttachToWindow (\r |
213 | IN UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private\r |
214 | )\r |
215 | /*++\r |
216 | \r |
217 | Routine Description:\r |
218 | \r |
219 | TODO: Add function description\r |
220 | \r |
221 | Arguments:\r |
222 | \r |
223 | Private - TODO: add argument description\r |
224 | \r |
225 | Returns:\r |
226 | \r |
227 | TODO: add return values\r |
228 | \r |
229 | --*/\r |
230 | {\r |
231 | EFI_STATUS Status;\r |
232 | \r |
233 | Private->SimpleTextIn.Reset = UnixSimpleTextInReset;\r |
234 | Private->SimpleTextIn.ReadKeyStroke = UnixSimpleTextInReadKeyStroke;\r |
235 | \r |
236 | Status = gBS->CreateEvent (\r |
237 | EFI_EVENT_NOTIFY_WAIT,\r |
238 | EFI_TPL_NOTIFY,\r |
239 | UnixSimpleTextInWaitForKey,\r |
240 | Private,\r |
241 | &Private->SimpleTextIn.WaitForKey\r |
242 | );\r |
243 | ASSERT_EFI_ERROR (Status);\r |
244 | \r |
245 | return Status;\r |
246 | }\r |