1 /** @file
2 Implements titlebar interface functions.
3
4 (C) Copyright 2013 Hewlett-Packard Development Company, L.P.<BR>
5 Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved. <BR>
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
10
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13
14 **/
15
16 #include "EditTitleBar.h"
17 #include "UefiShellDebug1CommandsLib.h"
18
19 CHAR16 *Title = NULL;
20
21 /**
22 Initialize a title bar.
23
24 @param[in] Prompt The prompt to print in the title bar.
25
26 @retval EFI_SUCCESS The initialization was successful.
27 @retval EFI_OUT_OF_RESOURCES A memory allocation failed.
28 **/
29 EFI_STATUS
MainTitleBarInit(CONST CHAR16 * Prompt)30 MainTitleBarInit (
31 CONST CHAR16 *Prompt
32 )
33 {
34 SHELL_FREE_NON_NULL (Title);
35 if (Prompt == NULL) {
36 Title = CatSPrint (NULL, L"");
37 } else {
38 //
39 // set Title
40 //
41 Title = CatSPrint (NULL, L"%s", Prompt);
42 }
43 if (Title == NULL) {
44 return EFI_OUT_OF_RESOURCES;
45 }
46
47 return EFI_SUCCESS;
48 }
49
50 /**
51 Clean up the memory used.
52 **/
53 VOID
MainTitleBarCleanup(VOID)54 MainTitleBarCleanup (
55 VOID
56 )
57 {
58 SHELL_FREE_NON_NULL (Title);
59 Title = NULL;
60 }
61
62 typedef struct {
63 UINT32 Foreground : 4;
64 UINT32 Background : 4;
65 } TITLE_BAR_COLOR_ATTRIBUTES;
66
67 typedef union {
68 TITLE_BAR_COLOR_ATTRIBUTES Colors;
69 UINTN Data;
70 } TITLE_BAR_COLOR_UNION;
71
72 /**
73 Refresh function for MainTitleBar
74
75 @param[in] FileName The open file's name (or NULL).
76 @param[in] FileType The type fo the file.
77 @param[in] ReadOnly TRUE if the file is read only. FALSE otherwise.
78 @param[in] Modified TRUE if the file was modified. FALSE otherwise.
79 @param[in] LastCol The last printable column.
80 @param[in] LastRow The last printable row.
81 @param[in] Offset The offset into the file. (only for mem/disk)
82 @param[in] Size The file's size. (only for mem/disk)
83
84 @retval EFI_SUCCESS The operation was successful.
85 **/
86 EFI_STATUS
MainTitleBarRefresh(IN CONST CHAR16 * FileName OPTIONAL,IN CONST EDIT_FILE_TYPE FileType,IN CONST BOOLEAN ReadOnly,IN CONST BOOLEAN Modified,IN CONST UINTN LastCol,IN CONST UINTN LastRow,IN CONST UINTN Offset,IN CONST UINTN Size)87 MainTitleBarRefresh (
88 IN CONST CHAR16 *FileName OPTIONAL,
89 IN CONST EDIT_FILE_TYPE FileType,
90 IN CONST BOOLEAN ReadOnly,
91 IN CONST BOOLEAN Modified,
92 IN CONST UINTN LastCol,
93 IN CONST UINTN LastRow,
94 IN CONST UINTN Offset,
95 IN CONST UINTN Size
96 )
97 {
98 TITLE_BAR_COLOR_UNION Orig;
99 TITLE_BAR_COLOR_UNION New;
100 CONST CHAR16 *FileNameTmp;
101 INTN TempInteger;
102
103
104 //
105 // backup the old screen attributes
106 //
107 Orig.Data = gST->ConOut->Mode->Attribute;
108 New.Data = 0;
109 New.Colors.Foreground = Orig.Colors.Background & 0xF;
110 New.Colors.Background = Orig.Colors.Foreground & 0x7;
111
112 gST->ConOut->SetAttribute (gST->ConOut, New.Data & 0x7F);
113
114 //
115 // clear the title line
116 //
117 EditorClearLine (1, LastCol, LastRow);
118
119 if (Title != NULL) {
120 //
121 // print the new title bar prefix
122 //
123 ShellPrintEx (
124 0,
125 0,
126 L"%s ",
127 Title
128 );
129 }
130 if (FileName == NULL) {
131 gST->ConOut->SetAttribute (gST->ConOut, Orig.Data);
132 return EFI_SUCCESS;
133 }
134 //
135 // First Extract the FileName from fullpath
136 //
137 FileNameTmp = FileName;
138 for (TempInteger = StrLen (FileNameTmp) - 1; TempInteger >= 0; TempInteger--) {
139 if (FileNameTmp[TempInteger] == L'\\') {
140 break;
141 }
142 }
143
144 FileNameTmp = FileNameTmp + TempInteger + 1;
145
146 //
147 // the space for file name is 20 characters
148 //
149 if (StrLen (FileNameTmp) <= 20) {
150 ShellPrintEx (-1,-1, L"%s ", FileNameTmp);
151 for (TempInteger = StrLen (FileNameTmp); TempInteger < 20; TempInteger++) {
152 ShellPrintEx (-1,-1, L" ");
153 }
154
155 } else {
156 for (TempInteger = 0; TempInteger < 17; TempInteger++) {
157 ShellPrintEx (-1,-1, L"%c", FileNameTmp[TempInteger]);
158 }
159 //
160 // print "..."
161 //
162 ShellPrintEx (-1,-1, L"... ");
163 }
164 //
165 // print file type field
166 //
167 switch (FileType){
168 case FileTypeAscii:
169 case FileTypeUnicode:
170 if (FileType == FileTypeAscii){
171 ShellPrintEx (-1,-1, L" ASCII ");
172 } else {
173 ShellPrintEx (-1,-1, L" UNICODE ");
174 }
175 //
176 // print read-only field for text files
177 //
178 if (ReadOnly) {
179 ShellPrintEx (-1,-1, L"ReadOnly ");
180 } else {
181 ShellPrintEx (-1,-1, L" ");
182 }
183 break;
184 case FileTypeDiskBuffer:
185 case FileTypeMemBuffer:
186 //
187 // Print the offset.
188 //
189 ShellPrintEx (-1,-1, L"Offset %X | Size %X", Offset, Size);
190 case FileTypeFileBuffer:
191 break;
192 default:
193 break;
194 }
195 //
196 // print modified field
197 //
198 if (Modified) {
199 ShellPrintEx (-1,-1, L"Modified");
200 }
201 //
202 // restore the old attribute
203 //
204 gST->ConOut->SetAttribute (gST->ConOut, Orig.Data);
205
206 return EFI_SUCCESS;
207 }
208