Commit | Line | Data |
---|---|---|
bb6b2dcd | 1 | /* $Id$ */\r |
2 | /***************************************************************\r | |
3 | ** I/O subsystem for PForth for WIN32 systems.\r | |
4 | **\r | |
5 | ** Use Windows Console so we can add the ANSI console commands needed to support HISTORY\r | |
6 | **\r | |
7 | ** Author: Phil Burk\r | |
8 | ** Copyright 1994 3DO, Phil Burk, Larry Polansky, David Rosenboom\r | |
9 | **\r | |
10 | ** The pForth software code is dedicated to the public domain,\r | |
11 | ** and any third party may reproduce, distribute and modify\r | |
12 | ** the pForth software code or any derivative works thereof\r | |
13 | ** without any compensation or license. The pForth software\r | |
14 | ** code is provided on an "as is" basis without any warranty\r | |
15 | ** of any kind, including, without limitation, the implied\r | |
16 | ** warranties of merchantability and fitness for a particular\r | |
17 | ** purpose and their equivalents under the laws of any jurisdiction.\r | |
18 | **\r | |
19 | ***************************************************************/\r | |
20 | \r | |
21 | #include "../pf_all.h"\r | |
22 | \r | |
e2531e83 | 23 | #if defined(WIN32) || defined(__NT__)\r |
bb6b2dcd | 24 | \r |
25 | #include <windows.h>\r | |
26 | \r | |
27 | #define ASCII_ESCAPE (0x1B)\r | |
28 | \r | |
29 | static HANDLE sConsoleHandle = INVALID_HANDLE_VALUE;\r | |
30 | static int sIsConsoleValid = FALSE;\r | |
31 | \r | |
32 | typedef enum ConsoleState_e\r | |
33 | {\r | |
34 | SDCONSOLE_STATE_IDLE = 0,\r | |
35 | SDCONSOLE_STATE_GOT_ESCAPE,\r | |
25962507 | 36 | SDCONSOLE_STATE_GOT_BRACKET\r |
bb6b2dcd | 37 | \r |
38 | } ConsoleState;\r | |
39 | \r | |
40 | static int sConsoleState = SDCONSOLE_STATE_IDLE;\r | |
41 | static int sParam1 = 0;\r | |
42 | static CONSOLE_SCREEN_BUFFER_INFO sScreenInfo;\r | |
43 | \r | |
44 | /******************************************************************/\r | |
45 | static void sdConsoleEmit( char c )\r | |
46 | {\r | |
25962507 HV |
47 | /* Write a WCHAR in case we have compiled with Unicode support.\r |
48 | * Otherwise we will see '?' printed.*/\r | |
bb6b2dcd | 49 | WCHAR wc = (WCHAR) c;\r |
50 | DWORD count;\r | |
51 | if( sIsConsoleValid )\r | |
52 | {\r | |
53 | WriteConsoleW(sConsoleHandle, &wc, 1, &count, NULL );\r | |
54 | }\r | |
55 | else\r | |
56 | {\r | |
25962507 | 57 | /* This will get called if we are redirecting to a file.*/\r |
bb6b2dcd | 58 | WriteFile(sConsoleHandle, &c, 1, &count, NULL );\r |
59 | }\r | |
60 | }\r | |
61 | \r | |
62 | /******************************************************************/\r | |
63 | static void sdClearScreen( void )\r | |
64 | {\r | |
65 | if( GetConsoleScreenBufferInfo( sConsoleHandle, &sScreenInfo ) )\r | |
66 | {\r | |
67 | COORD XY;\r | |
68 | int numNeeded;\r | |
69 | DWORD count;\r | |
70 | XY.X = 0;\r | |
71 | XY.Y = sScreenInfo.srWindow.Top;\r | |
72 | numNeeded = sScreenInfo.dwSize.X * (sScreenInfo.srWindow.Bottom - sScreenInfo.srWindow.Top + 1);\r | |
73 | FillConsoleOutputCharacter(\r | |
74 | sConsoleHandle, ' ', numNeeded, XY, &count );\r | |
75 | SetConsoleCursorPosition( sConsoleHandle, XY );\r | |
76 | }\r | |
77 | }\r | |
78 | \r | |
79 | /******************************************************************/\r | |
80 | static void sdEraseEOL( void )\r | |
81 | {\r | |
82 | if( GetConsoleScreenBufferInfo( sConsoleHandle, &sScreenInfo ) )\r | |
83 | {\r | |
84 | COORD savedXY;\r | |
85 | int numNeeded;\r | |
86 | DWORD count;\r | |
87 | savedXY.X = sScreenInfo.dwCursorPosition.X;\r | |
88 | savedXY.Y = sScreenInfo.dwCursorPosition.Y;\r | |
89 | numNeeded = sScreenInfo.dwSize.X - savedXY.X;\r | |
90 | FillConsoleOutputCharacter(\r | |
91 | sConsoleHandle, ' ', numNeeded, savedXY, &count );\r | |
92 | }\r | |
93 | }\r | |
94 | \r | |
95 | /******************************************************************/\r | |
96 | static void sdCursorBack( int dx )\r | |
97 | {\r | |
98 | if( GetConsoleScreenBufferInfo( sConsoleHandle, &sScreenInfo ) )\r | |
99 | {\r | |
100 | COORD XY;\r | |
101 | XY.X = sScreenInfo.dwCursorPosition.X;\r | |
102 | XY.Y = sScreenInfo.dwCursorPosition.Y;\r | |
103 | XY.X -= dx;\r | |
104 | if( XY.X < 0 ) XY.X = 0;\r | |
105 | SetConsoleCursorPosition( sConsoleHandle, XY );\r | |
106 | }\r | |
107 | }\r | |
108 | /******************************************************************/\r | |
109 | static void sdCursorForward( int dx )\r | |
110 | {\r | |
111 | if( GetConsoleScreenBufferInfo( sConsoleHandle, &sScreenInfo ) )\r | |
112 | {\r | |
113 | COORD XY;\r | |
114 | int width = sScreenInfo.dwSize.X;\r | |
115 | XY.X = sScreenInfo.dwCursorPosition.X;\r | |
116 | XY.Y = sScreenInfo.dwCursorPosition.Y;\r | |
117 | XY.X += dx;\r | |
118 | if( XY.X > width ) XY.X = width;\r | |
119 | SetConsoleCursorPosition( sConsoleHandle, XY );\r | |
120 | }\r | |
121 | }\r | |
122 | \r | |
123 | /******************************************************************/\r | |
124 | /* Use console mode I/O so that KEY and ?TERMINAL will work.\r | |
125 | * Parse ANSI escape sequences and call the appropriate cursor\r | |
126 | * control functions.\r | |
127 | */\r | |
128 | int sdTerminalOut( char c )\r | |
129 | {\r | |
130 | switch( sConsoleState )\r | |
131 | {\r | |
132 | case SDCONSOLE_STATE_IDLE:\r | |
133 | switch( c )\r | |
134 | {\r | |
135 | case ASCII_ESCAPE:\r | |
136 | sConsoleState = SDCONSOLE_STATE_GOT_ESCAPE;\r | |
137 | break;\r | |
138 | default:\r | |
139 | sdConsoleEmit( c );\r | |
140 | }\r | |
141 | break;\r | |
142 | \r | |
143 | case SDCONSOLE_STATE_GOT_ESCAPE:\r | |
144 | switch( c )\r | |
145 | {\r | |
146 | case '[':\r | |
147 | sConsoleState = SDCONSOLE_STATE_GOT_BRACKET;\r | |
148 | sParam1 = 0;\r | |
149 | break;\r | |
150 | default:\r | |
151 | sConsoleState = SDCONSOLE_STATE_IDLE;\r | |
152 | sdConsoleEmit( c );\r | |
153 | }\r | |
154 | break;\r | |
155 | \r | |
156 | case SDCONSOLE_STATE_GOT_BRACKET:\r | |
157 | if( (c >= '0') && (c <= '9') )\r | |
158 | {\r | |
159 | sParam1 = (sParam1 * 10) + (c - '0');\r | |
160 | }\r | |
161 | else\r | |
162 | {\r | |
163 | sConsoleState = SDCONSOLE_STATE_IDLE;\r | |
164 | if( c == 'K')\r | |
165 | {\r | |
166 | sdEraseEOL();\r | |
167 | }\r | |
168 | else if( c == 'D' )\r | |
169 | {\r | |
170 | sdCursorBack( sParam1 );\r | |
171 | }\r | |
172 | else if( c == 'C' )\r | |
173 | {\r | |
174 | sdCursorForward( sParam1 );\r | |
175 | }\r | |
176 | else if( (c == 'J') && (sParam1 == 2) )\r | |
177 | {\r | |
178 | sdClearScreen();\r | |
179 | }\r | |
180 | }\r | |
181 | break;\r | |
182 | }\r | |
183 | return 0;\r | |
184 | }\r | |
185 | \r | |
186 | /* Needed cuz _getch() does not echo. */\r | |
187 | int sdTerminalEcho( char c )\r | |
188 | {\r | |
189 | sdConsoleEmit((char)(c));\r | |
190 | return 0;\r | |
191 | }\r | |
192 | \r | |
193 | int sdTerminalIn( void )\r | |
194 | {\r | |
195 | return _getch();\r | |
196 | }\r | |
197 | \r | |
198 | int sdQueryTerminal( void )\r | |
199 | {\r | |
200 | return _kbhit();\r | |
201 | }\r | |
202 | \r | |
203 | int sdTerminalFlush( void )\r | |
204 | {\r | |
205 | #ifdef PF_NO_FILEIO\r | |
206 | return -1;\r | |
207 | #else\r | |
208 | return fflush(PF_STDOUT);\r | |
209 | #endif\r | |
210 | }\r | |
211 | \r | |
212 | void sdTerminalInit( void )\r | |
213 | {\r | |
214 | DWORD mode = 0;\r | |
215 | sConsoleHandle = GetStdHandle( STD_OUTPUT_HANDLE );\r | |
216 | if( GetConsoleMode( sConsoleHandle, &mode ) )\r | |
217 | {\r | |
25962507 | 218 | /*printf("GetConsoleMode() mode is 0x%08X\n", mode );*/\r |
bb6b2dcd | 219 | sIsConsoleValid = TRUE;\r |
220 | }\r | |
221 | else\r | |
222 | {\r | |
25962507 | 223 | /*printf("GetConsoleMode() failed\n", mode );*/\r |
bb6b2dcd | 224 | sIsConsoleValid = FALSE;\r |
225 | }\r | |
226 | }\r | |
227 | \r | |
228 | void sdTerminalTerm( void )\r | |
229 | {\r | |
230 | }\r | |
231 | #endif\r |