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Enhanced word wrapping.

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Started separating code into functions for future move to multiple key bindings.
Greatly reduced the amount of debug logging produced by fsedit
This commit is contained in:
Ken Bowley 2001-10-27 17:21:27 +00:00
parent 2e5e3724d5
commit 1489c61324
3 changed files with 216 additions and 148 deletions
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2
ChangeLog
View File

@ -4189,6 +4189,8 @@ v0.33.18 27-Jul-2001
Many bugs fixed in the full screen editor.
Last line of message is no longer deleted when saving message.
Segfault problem with deleting characters fixed.
Improved word wrapping. (still needs work)
Reduced amount of debug logging messages in editor.
mbuseradd:
Ported to work on FreeBSD.

360
mbsebbs/fsedit.c
View File

@ -1,8 +1,9 @@
/*****************************************************************************
* $Id
*
* File ..................: bbs/fsedit.c
* File ..................: mbsebbs/fsedit.c
* Purpose ...............: FullScreen Message editor.
* Last modification date : 20-Oct-2001
* Last modification date : 27-Oct-2001
*
*****************************************************************************
* Copyright (C) 1997-2001
@ -177,8 +178,8 @@ void Refresh(void)
void Debug(void)
{
Syslog('b', "FSEDIT: Col=%d Row=%d TopVisible=%d Lines=%d CurRow=%d Len=%d",
Col, Row, TopVisible, Line, Row+TopVisible-1, strlen(Message[Row+TopVisible-1]));
/* Syslog('b', "FSEDIT: Col=%d Row=%d TopVisible=%d Lines=%d CurRow=%d Len=%d", */
/* Col, Row, TopVisible, Line, Row+TopVisible-1, strlen(Message[Row+TopVisible-1])); */
}
@ -243,6 +244,144 @@ void ScrollDown()
/* Debug(); */
}
void FsMove(unsigned char Direction)
{
switch (Direction) {
case KEY_RIGHT:
Syslog('b', "FSEDIT: Cursor Right");
Debug();
/*
* FIXME: FsMove KEY_RIGHT
* Handle long lines better.
* For now, we will just refuse to go past col 80
*/
if ((Col <= strlen(Message[CurRow])) && (Col < 80)){
Col++;
Setcursor();
} else if (Row < (Line - TopVisible +1)) {
Row++;
Col = 1;
if (Row > (exitinfo.iScreenLen -1)) ScrollDown();
Refresh();
} else
Beep();
break;
case KEY_LEFT:
Syslog('b', "FSEDIT: Cursor left");
Debug();
if (Col > 1) {
Col--;
Setcursor();
} else if (CurRow > 1) {
Col = strlen(Message[CurRow-1]) +1;
/*
* FIXME: FsMove KEY_LEFT
* Handle long lines better.
* For now, we will just refuse to go past col 80
*/
if (Col > 80) Col = 80;
if (Row == 1) ScrollUp();
Row--;
Setcursor();
} else
Beep();
break;
case KEY_UP:
Syslog('b', "FSEDIT: Cursor up");
Debug();
if (CurRow > 1) {
Row--;
if (Col > strlen(Message[CurRow-1]) + 1)
Col = strlen(Message[CurRow-1]) +1;
if ((Row < 1) && (CurRow != Row))
ScrollUp();
else
Setcursor();
} else
Beep();
break;
case KEY_DOWN:
Syslog('b', "FSEDIT: Cursor down");
Debug();
if (Row < (Line - TopVisible + 1)) {
Row++;
if (Col > strlen(Message[CurRow+1]) + 1)
Col = strlen(Message[CurRow+1]) + 1;
if (Row <= (exitinfo.iScreenLen -1))
Setcursor();
else
ScrollDown();
} else
Beep();
break;
}
}
int FsWordWrap()
{
int WCol, i = 0;
unsigned char tmpLine[80];
tmpLine[0] = '\0';
/*
* FIXME: FsWordWrap
* The word wrap still fails the BIG WORD test
* (BIG WORD = continuous string of characters that spans multiple lines without
* any spaces)
*/
Syslog('b', "FSEDIT: Word Wrap");
WCol = 79;
while (Message[CurRow][WCol] != ' ' && WCol > 0)
WCol--;
if ((WCol > 0) && (WCol < 80)) WCol++; else WCol=80;
if (WCol <= strlen(Message[CurRow])) {
/*
* If WCol = 80 (no spaces in line) be sure to grab character 79.
* Otherwise, drop it, because it's a space.
*/
if ((WCol == 80) || (WCol-1 == Col))
sprintf(tmpLine, "%s%c", tmpLine, Message[CurRow][79]);
/*
* Grab all characters from WCol to end of line.
*/
for (i = WCol; i < strlen(Message[CurRow]); i++) {
sprintf(tmpLine, "%s%c", tmpLine, Message[CurRow][i]);
}
/*
* Truncate current row.
*/
Message[CurRow][WCol-1] = '\0';
/*
* If the wrapped section and the next row will not fit on one line,
* shift all lines down one and use the wrapped section to create a new line.
*
* Otherwise, slap the wrapped section on the front of the next row with
* a space if needed.
*/
if ((strlen(tmpLine) + strlen(Message[CurRow+1])) > 79) {
for (i = Line; i > CurRow; i--)
sprintf(Message[i+1], "%s", Message[i]);
sprintf(Message[CurRow+1], "%s", tmpLine);
Line++;
WCol = strlen(tmpLine) + 1;
} else {
if ((WCol == 80) && (Col >= WCol))
WCol = strlen(tmpLine)+1;
else {
if (tmpLine[strlen(tmpLine)] != ' ')
sprintf(tmpLine, "%s ", tmpLine);
WCol = strlen(tmpLine);
}
sprintf(Message[CurRow+1], "%s", strcat(tmpLine, Message[CurRow+1]));
}
}
return WCol;
}
int Fs_Edit()
{
@ -319,111 +458,57 @@ int Fs_Edit()
break;
case ('Y' - 64): /* Erase line, scroll up */
Syslog('b', "FSEDIT: Erase line");
Debug();
if (Line == CurRow) {
/* Erasing last line */
if ((Line > 1) || (strlen(Message[CurRow]) > 0)) {
Message[CurRow][0] = '\0';
if (Line > 1) {
Line--;
if (Row == 1) ScrollUp();
Row--;
}
if (Col > strlen(Message[CurRow]))
Col = strlen(Message[CurRow]);
Refresh();
/* Debug(); */
Changed = TRUE;
} else
Beep();
} else {
/* Erasing line in the middle */
for (i = CurRow; i < Line; i++) {
sprintf(Message[i], "%s", Message[i+1]);
Syslog('b', "FSEDIT: Erase line");
Debug();
if (Line == CurRow) {
/* Erasing last line */
if ((Line > 1) || (strlen(Message[CurRow]) > 0)) {
Message[CurRow][0] = '\0';
if (Line > 1) {
Line--;
if (Row == 1) ScrollUp();
Row--;
}
Message[i+1][0] = '\0';
Line--;
if (Col > strlen(Message[CurRow]) + 1)
Col = strlen(Message[CurRow]) + 1;
if (Col > strlen(Message[CurRow]))
Col = strlen(Message[CurRow]);
Refresh();
/* Debug(); */
Changed = TRUE;
} else
Beep();
} else {
/* Erasing line in the middle */
for (i = CurRow; i < Line; i++) {
sprintf(Message[i], "%s", Message[i+1]);
}
break;
Message[i+1][0] = '\0';
Line--;
if (Col > strlen(Message[CurRow]) + 1)
Col = strlen(Message[CurRow]) + 1;
Refresh();
/* Debug(); */
Changed = TRUE;
}
break;
case KEY_UP:
case ('E' - 64):
Syslog('b', "FSEDIT: Cursor up");
Debug();
if (Row > 1) {
Row--;
if (Col > strlen(Message[CurRow-1]) + 1)
Col = strlen(Message[CurRow-1]) + 1;
Setcursor();
/* Debug(); */
} else {
ScrollUp();
}
FsMove(KEY_UP);
break;
case KEY_DOWN:
case ('X' - 64):
Syslog('b', "FSEDIT: Cursor down");
Debug();
if (Row < (Line - TopVisible + 1)) {
if (Row < (exitinfo.iScreenLen -1)) {
Row++;
if (Col > strlen(Message[CurRow+1]) + 1)
Col = strlen(Message[CurRow+1]) + 1;
Setcursor();
/* Debug(); */
} else {
ScrollDown();
}
} else
Beep();
FsMove(KEY_DOWN);
break;
case KEY_LEFT:
case ('S' - 64):
Syslog('b', "FSEDIT: Cursor left");
Debug();
if (Col > 1) {
Col--;
Setcursor();
/* Debug(); */
} else if (CurRow > 1) {
Col = strlen(Message[CurRow-1]) +1;
if (Row == 1) ScrollUp();
Row--;
Setcursor();
/* Debug(); */
} else if (TopVisible > 12) {
Refresh();
/* Debug(); */
} else
Beep();
FsMove(KEY_LEFT);
break;
case KEY_RIGHT:
case ('D' - 64):
Syslog('b', "FSEDIT: Cursor Right");
Debug();
if (Col <= strlen(Message[CurRow])) {
Col++;
Setcursor();
/* Debug(); */
} else if (Row < (Line - TopVisible +1)) {
Row++;
Col = 1;
if (Row > (exitinfo.iScreenLen -1)) ScrollDown();
Refresh();
/* Debug(); */
} else
Beep();
FsMove(KEY_RIGHT);
break;
case KEY_DEL:
@ -458,7 +543,7 @@ int Fs_Edit()
* Trap the extra code so it isn't
* inserted in the text
*/
ch = Readkey();
if (ch == KEY_DEL) Readkey();
break;
case KEY_BACKSPACE:
@ -485,10 +570,10 @@ int Fs_Edit()
Changed = TRUE;
} else {
i = strlen(Message[CurRow-1]) + strlen(Message[CurRow]);
Syslog('b', "FSEDIT: BS lines are too big! %d + %d = %d",
strlen(Message[CurRow]),
strlen(Message[CurRow-1]),
i);
/* Syslog('b', "FSEDIT: BS lines are too big! %d + %d = %d", */
/* strlen(Message[CurRow]), */
/* strlen(Message[CurRow-1]), */
/* i); */
Beep();
}
} else {
@ -526,13 +611,12 @@ int Fs_Edit()
* Trap the extra code so it isn't
* inserted in the text
*/
ch = Readkey();
if (ch == KEY_INS) Readkey();
break;
case ('L' - 64): /* Refresh screen */
Syslog('b', "FSEDIT: Refresh()");
Refresh();
Debug();
break;
case ('R' - 64): /* Read from file */
@ -623,8 +707,8 @@ int Fs_Edit()
Debug();
clear();
fflush(stdout);
for (i = 1; i <= Line; i++)
Syslog('b', "%3d \"%s\"", i, Message[i]);
/* for (i = 1; i <= Line; i++) */
/* Syslog('b', "%3d \"%s\"", i, Message[i]); */
if (ch == 'S' && Changed) {
Syslog('+', "FSEDIT: Message saved");
return TRUE;
@ -651,74 +735,54 @@ int Fs_Edit()
/*
* Normal printable characters
*/
/* Debug(); */
if (Col == strlen(Message[CurRow]) + 1) {
/* Syslog('b', "FSEDIT: Append character to end"); */
/*
* Append to line
*/
if (Col < 79) {
sprintf(Message[CurRow], "%s%c", Message[CurRow], ch);
if (strlen(Message[CurRow]) > 79){
Col = FsWordWrap();
Row++;
Refresh();
} else {
Col++;
sprintf(Message[CurRow], "%s%c", Message[CurRow], ch);
printf("%c", ch);
fflush(stdout);
Changed = TRUE;
} else {
/*
* Do simple word wrap
*/
for (i = Line; i > CurRow; i--) {
/*
* Shift lines down by one
*/
sprintf(Message[i+1], "%s", Message[i]);
}
/*
* Clear row for wrapped words
*/
Message[CurRow+1][0] = '\0';
Col = 74;
while (Message[CurRow][Col] != ' ' && i != 0)
Col--;
Col++;
if (Col <= strlen(Message[CurRow])) {
/*
* Move end of line to new row
*/
for (i = Col; i <= strlen(Message[CurRow]); i++) {
sprintf(Message[CurRow+1], "%s%c", Message[CurRow+1], Message[CurRow][i]);
}
Message[CurRow][Col-1] = '\0';
}
sprintf(Message[CurRow+1], "%s%c", Message[CurRow+1], ch);
Line++;
Row++;
Col = strlen(Message[CurRow+1])+1;
Refresh();
/* Debug(); */
Changed = TRUE;
}
Changed = TRUE;
} else {
/*
* Insert or overwrite
*/
Syslog('b', "FSEDIT: %s in line", InsMode ? "Insert" : "Overwrite");
/* Syslog('b', "FSEDIT: %s in line", */
/* InsMode ? "Insert" : "Overwrite"); */
if (InsMode) {
if (strlen(Message[CurRow]) < 80) {
for (i = strlen(Message[CurRow]); i >= (Col-1); i--) {
/*
* Shift characters right
*/
Message[CurRow][i+1] = Message[CurRow][i];
for (i = strlen(Message[CurRow]); i >= (Col-1); i--) {
/*
* Shift characters right
*/
Message[CurRow][i+1] = Message[CurRow][i];
}
Message[CurRow][Col-1] = ch;
Col++;
if (strlen(Message[CurRow]) > 80) {
i = FsWordWrap();
if (Col > strlen(Message[CurRow])+1) {
Col = Col - strlen(Message[CurRow]);
if (Col > 1) Col--;
Row++;
}
Message[CurRow][Col-1] = ch;
Col++;
if (Row > (exitinfo.iScreenLen -1))
ScrollDown();
else
Refresh();
} else {
locate(Row + 1, 1);
printf(Message[CurRow]);
Setcursor();
Changed = TRUE;
} else {
Beep();
}
Changed = TRUE;
} else {
Message[CurRow][Col-1] = ch;
printf("%c", ch);

2
mbsebbs/fsedit.h
View File

@ -43,6 +43,8 @@ void Debug(void);
void GetstrLC(char *, int);
void ScrollUp(void);
void ScrollDown(void);
void FsMove(unsigned char);
int FsWordWrap(void);
#endif