ReactOS 0.4.15-dev-6679-g945ee4b
tscroll.cpp
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1
2//Telnet Win32 : an ANSI telnet client.
3//Copyright (C) 1998-2000 Paul Brannan
4//Copyright (C) 1998 I.Ioannou
5//Copyright (C) 1997 Brad Johnson
6//
7//This program is free software; you can redistribute it and/or
8//modify it under the terms of the GNU General Public License
9//as published by the Free Software Foundation; either version 2
10//of the License, or (at your option) any later version.
11//
12//This program is distributed in the hope that it will be useful,
13//but WITHOUT ANY WARRANTY; without even the implied warranty of
14//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15//GNU General Public License for more details.
16//
17//You should have received a copy of the GNU General Public License
18//along with this program; if not, write to the Free Software
19//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20//
21//I.Ioannou
22//roryt@hol.gr
23//
25
27//
28// Module: tscroll.cpp
29//
30// Contents: Telnet Handler
31//
32// Product: telnet
33//
34// Revisions: Dec. 5, 1998 Paul Brannan <pbranna@clemson.edu>
35// June 15, 1998 Paul Brannan
36//
37// This is code originally from tnclass.cpp and ansiprsr.cpp
38//
40
41#include "precomp.h"
42
43enum {
48};
49
50int DummyStripBuffer(char *start, char *end, int width) {return 0;}
51
54 pcScrollData = new char[iScrollSize];
55 iScrollEnd = 0;
56 iPastEnd = 0;
58
59 if(stricmp(ini.get_scroll_mode(), "hex") == 0) iDisplay = HEX;
60 else if(stricmp(ini.get_scroll_mode(), "dump") == 0) iDisplay = DUMP;
61 else if(stricmp(ini.get_scroll_mode(), "dumpb") == 0) iDisplay = DUMPB;
62 else if(stricmp(ini.get_scroll_mode(), "text") == 0) iDisplay = TEXTB;
63 else iDisplay = DUMP;
64
66}
67
69 delete[] pcScrollData;
70}
71
73 strip = s;
74}
75
76// Fixed update of circular buffer (Paul Brannan 12/4/98)
77// Note: iScrollEnd is one character beyond the end
78void TScroller::update(const char *pszHead, const char *pszTail) {
79 if ((iScrollEnd)+(pszTail-pszHead) < iScrollSize) {
80 memcpy(&pcScrollData[iScrollEnd], pszHead, pszTail-pszHead);
81 } else if (pszTail-pszHead > iScrollSize) {
83 iScrollEnd = 0;
84 } else {
87 pszTail-pszHead-(iScrollSize-iScrollEnd));
88 }
89
90 // This could probably be optimized better, but it's probably not worth it
91 int temp = iScrollEnd;
92 iScrollEnd = ((iScrollEnd)+(pszTail-pszHead))%iScrollSize;
93 if(iScrollEnd < temp) iPastEnd = 1;
94}
95
96// Perhaps this should be moved to Tconsole.cpp? (Paul Brannan 6/12/98)
98 HANDLE hConsoleOutput, // handle of a console screen buffer
99 CHAR * lpWriteBuffer,
100 WORD wAttrib,
101 SHORT sX,
102 SHORT sY ){
103 // we ought to allocate memory before writing to an address (PB 5/12/98)
104 DWORD cWritten;
105 const LPDWORD lpcWritten = &cWritten;
106
107 DWORD cWriteCells = strlen(lpWriteBuffer);
108 COORD coordWrite = {sX,sY};
109 LPWORD lpwAttribute = new WORD[cWriteCells];
110 for (unsigned int i = 0; i < cWriteCells; i++)
111 lpwAttribute[i] = wAttrib;
113 hConsoleOutput, // handle of a console screen buffer
114 lpwAttribute, // address of buffer to write attributes from
115 cWriteCells, // number of character cells to write to
116 coordWrite, // coordinates of first cell to write to
117 lpcWritten // address of number of cells written to
118 );
120 hConsoleOutput, // handle of a console screen buffer
121 lpWriteBuffer, // address of buffer to write characters from
122 cWriteCells, // number of character cells to write to
123 coordWrite, // coordinates of first cell to write to
124 lpcWritten // address of number of cells written to
125 );
126 delete [] lpwAttribute;
127 return 1;
128}
129
130static void hexify(int x, char *str, int len) {
131 for(int j = len - 1; j >= 0; j--) {
132 str[j] = x % 16;
133 if(str[j] > 9) str[j] += 'A' - 10;
134 else str[j] += '0';
135 x /= 16;
136 }
137}
138
139static int setmaxlines(int iDisplay, int iScrollSize, int strippedlines,
140 int con_width) {
141 switch(iDisplay) {
142 case HEX: return(iScrollSize / 16); break;
143 case DUMP:
144 case DUMPB: return(iScrollSize / con_width); break;
145 case TEXTB: return(strippedlines); break;
146 }
147 return 0;
148}
149
150static void setstatusline(char *szStatusLine, int len, int iDisplay) {
151 memset(szStatusLine, ' ', len);
152 memcpy(&szStatusLine[1], "Scrollback Mode", 15);
153 switch(iDisplay) {
154 case HEX: memcpy(&szStatusLine[len / 2 - 1], "HEX", 3); break;
155 case DUMP: memcpy(&szStatusLine[len / 2 - 2], "DUMP", 4); break;
156 case DUMPB: memcpy(&szStatusLine[len / 2 - 5], "BINARY DUMP", 11); break;
157 case TEXTB: memcpy(&szStatusLine[len / 2 - 2], "TEXT", 4); break;
158 }
159 memcpy(&szStatusLine[len - 6], "READY", 5);
160 szStatusLine[len] = 0;
161}
162
164 char p;
165 int r,c;
166
167 // define colors (Paul Brannan 7/5/98)
168 int normal = (ini.get_scroll_bg() << 4) | ini.get_scroll_fg();
169 // int inverse = (ini.get_scroll_fg() << 4) | ini.get_scroll_bg();
170 int status = (ini.get_status_bg() << 4) | ini.get_status_fg();
171
172 CHAR_INFO* chiBuffer;
173 chiBuffer = newBuffer();
174 saveScreen(chiBuffer);
175
179
180 // Update iScrollBegin -- necessary in case the buffer isn't full yet
181 long iScrollBegin, iScrollLast;
182 if(iPastEnd == 0) {
183 iScrollBegin = 0;
184 iScrollLast = iScrollEnd - 1;
185 } else {
186 iScrollBegin = iScrollEnd;
187 iScrollLast = iScrollSize - 1;
188 }
189
190 // Create buffer with ANSI codes stripped
191 // Fixed this to work properly with a circular buffer (PB 12/4/98)
192 char *stripped = new char[iScrollSize];
193 memcpy(stripped, pcScrollData + iScrollBegin, iScrollSize -
194 iScrollBegin);
195 if(iScrollBegin != 0) memcpy(stripped + (iScrollSize - iScrollBegin),
196 pcScrollData, iScrollBegin - 1);
197 int strippedlines = (*strip)(stripped, stripped + iScrollLast,
198 CON_COLS);
199
200 // Calculate the last line of the scroll buffer (Paul Brannan 12/4/98)
201 int maxlines = setmaxlines(iDisplay, iScrollLast + 1, strippedlines,
202 CON_COLS);
203
204 // init scroll position
205 int current = maxlines - CON_HEIGHT + 1;
206 if(current < 0) current = 0;
207
208 // paint border and info
209 // paint last two lines black on white
210 char * szStatusLine;
211 szStatusLine = new char[CON_WIDTH+2];
212 setstatusline(szStatusLine, CON_COLS, iDisplay);
215
216 // loop while not done
217 BOOL done = FALSE;
218 while (!done){
219 switch (iDisplay){
220 case HEX:
221 memset(szStatusLine, ' ', CON_COLS);
222 szStatusLine[8] = ':';
223 szStatusLine[34] = '-';
224 for (r = 0; r < CON_HEIGHT; r++) {
225 hexify((r + current) * 16, &szStatusLine[2], 6);
226 for (c = 0; c < 16; c++){
227 if (c+(16*(r+current)) >= iScrollLast)
228 p = 0;
229 else
230 p = pcScrollData[(c+16*(r+current) + iScrollBegin) %
232 hexify((char)p, &szStatusLine[11 + 3*c], 2);
233 if (!iscntrl(p)) {
234 szStatusLine[60 + c] = (char)p;
235 } else {
236 szStatusLine[60 + c] = '.';
237 }
238 }
239 for(int j = 0; j < 16; j++) {
240 }
241 szStatusLine[CON_COLS] = '\0';
244 }
245 break;
246 case DUMP:
247 for (r = 0; r < CON_HEIGHT; r++) {
248 for (c = 0; c <= CON_WIDTH; c++) {
249 if (c+((CON_COLS)*(r+current)) >= iScrollLast) p = ' ';
250 else p = pcScrollData[(c+((CON_COLS)*(r+current))
251 + iScrollBegin) % iScrollSize];
252 if (!iscntrl(p))
253 szStatusLine[c] = p;
254 else
255 szStatusLine[c] = '.';
256 }
257 szStatusLine[c] = '\0';
260 }
261 break;
262 case DUMPB:
263 for (r = 0; r < CON_HEIGHT; r++) {
264 for (c = 0; c <= CON_WIDTH; c++) {
265 if (c+((CON_COLS)*(r+current)) >= iScrollLast) p = ' ';
266 else p = pcScrollData[ (c+((CON_COLS)*(r+current))
267 + iScrollBegin) % iScrollSize];
268 if (p != 0)
269 szStatusLine[c] = p;
270 else
271 szStatusLine[c] = ' ';
272 }
273 szStatusLine[c] = '\0';
276 }
277 break;
278 case TEXTB: {
279 int ch, lines, x;
280 // Find the starting position
281 for(ch = 0, lines = 0, x = 1; ch < iScrollSize &&
282 lines < current; ch++, x++) {
283
284 if(stripped[ch] == '\n') lines++;
285 if(stripped[ch] == '\r') x = 1;
286 }
287
288 for (r = 0; r < CON_HEIGHT; r++) {
289 memset(szStatusLine, ' ', CON_COLS);
290 for(c = 0; c <= CON_WIDTH; c++) {
291 done = FALSE;
292 if (ch >= iScrollSize) p = ' ';
293 else p = stripped[ch];
294 switch(p) {
295 case 10: done = TRUE; break;
296 case 13: c = 0; break;
297 default: szStatusLine[c] = p;
298 }
299 ch++;
300 if(done) break;
301 }
302 szStatusLine[CON_COLS] = '\0';
305 }
306 }
307 break;
308 }
309
310 setstatusline(szStatusLine, CON_COLS, iDisplay);
313
314 // paint scroll back data
315 // get key input
316 switch(scrollkeys()){
317 case VK_ESCAPE:
318 done = TRUE;
319 break;
320 case VK_PRIOR:
321 if ( current > CON_HEIGHT)
323 else
324 current = 0;
325 break;
326 case VK_NEXT:
327 if ( current < maxlines - 2*CON_HEIGHT + 2)
329 else
330 current = maxlines - CON_HEIGHT + 1;
331 break;
332 case VK_DOWN:
333 if (current <= maxlines - CON_HEIGHT) current++;
334 break;
335 case VK_UP:
336 if ( current > 0) current--;
337 break;
338 case VK_TAB:
339 iDisplay = (iDisplay+1)%4;
340 maxlines = setmaxlines(iDisplay, iScrollLast + 1, strippedlines,
341 CON_COLS);
342 if(current > maxlines) current = maxlines - 1;
343 if(current < 0) current = 0;
344 break;
345 case VK_END:
346 current = maxlines - CON_HEIGHT + 1;
347 if(current < 0) current = 0;
348 break;
349 case VK_HOME:
350 current = 0;
351 break;
352 case SC_MOUSE:
354 break;
355 }
356 }
357
358 // Clean up
359 restoreScreen(chiBuffer);
360 delete[] szStatusLine;
361 delete[] chiBuffer;
362 delete[] stripped;
363}
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
HANDLE WINAPI GetStdHandle(IN DWORD nStdHandle)
Definition: console.c:203
BOOL WINAPI GetConsoleScreenBufferInfo(IN HANDLE hConsoleOutput, OUT PCONSOLE_SCREEN_BUFFER_INFO lpConsoleScreenBufferInfo)
Definition: console.c:595
#define DUMP(Command, Pad)
int get_status_bg() const
Definition: tnconfig.h:75
int get_status_fg() const
Definition: tnconfig.h:76
const char * get_scroll_mode() const
Definition: tnconfig.h:89
int get_scroll_fg() const
Definition: tnconfig.h:74
int get_scroll_bg() const
Definition: tnconfig.h:73
Definition: tmouse.h:6
void scrollMouse()
Definition: tmouse.cpp:207
TScroller(TMouse &M, int size=20000)
Definition: tscroll.cpp:52
void ScrollBack()
Definition: tscroll.cpp:163
TMouse & Mouse
Definition: tscroll.h:16
stripfunc * strip
Definition: tscroll.h:15
~TScroller()
Definition: tscroll.cpp:68
long iScrollEnd
Definition: tscroll.h:12
void init(stripfunc *s)
Definition: tscroll.cpp:72
void update(const char *pszBegin, const char *pszEnd)
Definition: tscroll.cpp:78
int iPastEnd
Definition: tscroll.h:13
char * pcScrollData
Definition: tscroll.h:10
long iScrollSize
Definition: tscroll.h:11
int iDisplay
Definition: tscroll.h:14
HANDLE hStdout
Definition: ctm.c:56
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
#define M(row, col)
#define stricmp(_String1, _String2)
Definition: compat.h:24
BOOL WINAPI DECLSPEC_HOTPATCH WriteConsoleOutputAttribute(IN HANDLE hConsoleOutput, IN CONST WORD *lpAttribute, IN DWORD nLength, IN COORD dwWriteCoord, OUT LPDWORD lpNumberOfAttrsWritten)
Definition: readwrite.c:1653
unsigned char
Definition: typeof.h:29
unsigned int BOOL
Definition: ntddk_ex.h:94
unsigned long DWORD
Definition: ntddk_ex.h:95
unsigned short WORD
Definition: ntddk_ex.h:93
GLuint start
Definition: gl.h:1545
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
GLdouble s
Definition: gl.h:2039
GLuint GLuint end
Definition: gl.h:1545
GLdouble GLdouble GLdouble r
Definition: gl.h:2055
GLint GLint GLsizei width
Definition: gl.h:1546
GLsizeiptr size
Definition: glext.h:5919
const GLubyte * c
Definition: glext.h:8905
GLfloat GLfloat p
Definition: glext.h:8902
GLenum GLsizei len
Definition: glext.h:6722
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
@ Mouse
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_Check_return_ _CRTIMP int __cdecl iscntrl(_In_ int _C)
#define c
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#define memcpy(s1, s2, n)
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@ normal
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short SHORT
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const WCHAR * str
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#define memset(x, y, z)
Definition: compat.h:39
Definition: bl.h:1338
Definition: ps.c:97
static CONSOLE_SCREEN_BUFFER_INFO ConsoleInfo
Definition: video.c:47
void saveScreen(CHAR_INFO *chiBuffer)
Definition: tconsole.cpp:934
void restoreScreen(CHAR_INFO *chiBuffer)
Definition: tconsole.cpp:964
CHAR_INFO * newBuffer()
Definition: tconsole.cpp:995
#define CON_TOP
Definition: tconsole.h:45
#define CON_LEFT
Definition: tconsole.h:48
#define CON_HEIGHT
Definition: tconsole.h:51
#define CON_COLS
Definition: tconsole.h:54
#define CON_WIDTH
Definition: tconsole.h:52
#define CON_BOTTOM
Definition: tconsole.h:46
WORD scrollkeys()
Definition: tncon.cpp:320
@ SC_MOUSE
Definition: tncon.h:11
TConfig ini
Definition: tnconfig.cpp:45
eMaj lines
Definition: tritemp.h:206
static int setmaxlines(int iDisplay, int iScrollSize, int strippedlines, int con_width)
Definition: tscroll.cpp:139
static BOOL WriteConsoleOutputCharAndAttribute(HANDLE hConsoleOutput, CHAR *lpWriteBuffer, WORD wAttrib, SHORT sX, SHORT sY)
Definition: tscroll.cpp:97
static void setstatusline(char *szStatusLine, int len, int iDisplay)
Definition: tscroll.cpp:150
int DummyStripBuffer(char *start, char *end, int width)
Definition: tscroll.cpp:50
static void hexify(int x, char *str, int len)
Definition: tscroll.cpp:130
@ TEXTB
Definition: tscroll.cpp:47
@ DUMPB
Definition: tscroll.cpp:46
@ DUMP
Definition: tscroll.cpp:45
@ HEX
Definition: tscroll.cpp:44
int() stripfunc(char *, char *, int)
Definition: tscroll.h:6
uint16_t * LPWORD
Definition: typedefs.h:56
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Definition: typedefs.h:59
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Definition: wincon.h:789
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Definition: winuser.h:2189
#define VK_UP
Definition: winuser.h:2215
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Definition: winuser.h:2211
#define VK_END
Definition: winuser.h:2212
#define VK_HOME
Definition: winuser.h:2213
#define VK_DOWN
Definition: winuser.h:2217
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Definition: winuser.h:2210
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Definition: winuser.h:2204
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char CHAR
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