/* removestringvector - empties a stringvector without free()ing any s */
void removestringvector(stringvector * v)
{
if (v == NULL)
return;
v->cur = v->last;
while (removestring(v) != NULL);
return;
}
/**
* @relates texteditor
* @brief Delete the character under the cursor.
**/
void texteditDelete(texteditor * editor)
{
int i;
if (editor->selectflag) {
texteditClearSelectedText(editor);
return;
}
if (editor->pos < strlen(editor->curline->s)) {
/* Slide everything after the cursor backward */
for (i = editor->pos; i < strlen(editor->curline->s); i++)
editor->curline->s[i] = editor->curline->s[i+1];
editor->updateflags |= TUD_CENTER;
}
else if (strlen(editor->curline->s) == 0 && !(editor->text->first == editor->text->last)) {
/* This string is empty: destroy */
editor->text->cur = editor->curline;
deletestring(editor->text);
editor->curline = editor->text->cur;
editor->pos = strlen(editor->curline->s);
editor->updateflags |= TUD_EDITAREA;
}
else if (editor->curline->next != NULL) {
if (strlen(editor->curline->next->s) == 0) {
/* Next string is empty: destroy */
editor->text->cur = editor->curline->next;
deletestring(editor->text);
editor->updateflags |= TUD_BOTTOM;
}
else if (strlen(editor->curline->s) + 1 < editor->wrapwidth) {
char * nextline;
/* merge lines; wordwrap */
i = strlen(editor->curline->s);
if (editor->curline->s[i-1] != ' ' && editor->curline->next->s[0] != ' ') {
/* add a space at the end */
editor->curline->s[i] = ' ';
editor->curline->s[++i] = 0;
}
/* Remove the next line */
editor->text->cur = editor->curline->next;
nextline = removestring(editor->text);
editor->text->cur = editor->curline;
/* Wordwrap the next line onto the end of the current line */
editor->pos = wordwrap(editor->text, nextline, i, -1, editor->wrapwidth, editor->linewidth);
editor->curline = editor->text->cur;
free(nextline);
editor->updateflags |= TUD_CENTER | TUD_BOTTOM | TUD_TOP;
}
}
}
/* deletestring - free()s cur node & s */
int deletestring(stringvector * v)
{
char *s = NULL;
s = removestring(v);
if (s == NULL)
return 1;
free(s);
return 0;
}
int main()
{
char source[500000];
int start;
int number;
int count;
int size;
printf("Enter the string :\n");
readline(source);
size = strlen(source);
printf("Enter the starting character number\n");
scanf("%i", &start);
printf("Enter the substring size\n");
scanf("%i", &number);
removestring(source , start , number , size);
return 0;
}
int editbox(char *title, stringvector * sv, int editwidth, int flags, displaymethod * d)
{
int key; /* the key */
int i, j; /* general counters */
int done = 0; /* true when editing/viewing is done */
int updateflags; /* flags to determine what needs update */
stringnode *centerstr; /* str in center of dialog */
stringnode *loopstr; /* node pointer for use in looping */
int selChar = 0;
/* vars only relating to editing */
int pos = 0; /* position in sv->cur->s */
char *tmpstr; /* temporary string for pushing */
char strbuf[80] = ""; /* general buffer */
static char savefilename[SAVEFILENAME_LEN] = "temp.zoc";
/* selection variables */
int selectFlag = 0; /* Status of the shift key */
int selPos = -1; /* Position of cursor when selection started; -1 when no selection */
int selLineOffset = 0; /* Offset of line where selection started;
positive when below centerstr, negative when above */
/* statics */
static int insertflag = 1; /* nonzero when in insert mode */
static int wrapwidth = 42; /* where to wrap */
/* if there is no string, add one */
if (sv->cur == NULL || sv->first == NULL || sv->last == NULL)
pushstring(sv, strcpy((char *) malloc(editwidth + 2), ""));
if (sv->cur == NULL)
return 0;
centerstr = sv->cur;
if (editwidth == EDITBOX_NOEDIT) {
d->cursorgo(9, 13);
/* Look for @title on first line */
if ((flags & EDITBOX_ZOCMODE) && sv->first != NULL && sv->first->s[0] == '@') {
/* Display the first line as the title, not in the box itself */
if (sv->first->s[1] != '\x0')
title = sv->first->s + 1; /* What's the harm? We're only looking. */
if (centerstr == sv->first)
centerstr = centerstr->next;
}
}
/* Check for NULL after advancing past @title, if we did so */
if (centerstr == NULL)
return 0;
drawscrollbox(d, 0, 0, 1);
updateflags = U_ALL;
while (!done) {
if (editwidth)
d->cursorgo(9 + pos, 13);
/* If in select mode, center line should be updated no matter what */
if (selPos != -1)
updateflags |= U_CENTER;
if (updateflags & U_PANEL && editwidth)
draweditpanel(insertflag, wrapwidth, flags & EDITBOX_ZOCMODE, d);
sv->cur = centerstr;
updateditbox(d, sv, updateflags, editwidth, flags, title, selPos == -1);
updateflags = U_NONE;
/* Draw highlighted text if applicable */
if (selPos != -1) {
int startPos = 0, endPos = 0;
if (selLineOffset > 0) {
startPos = pos;
endPos = strlen(centerstr->s);
} else if (selLineOffset < 0) {
startPos = 0;
endPos = pos;
} else {
if (selPos > pos) {
startPos = pos;
endPos = selPos;
} else {
startPos = selPos;
endPos = pos;
}
}
for (j = startPos; j < endPos; j++)
d->putch(9 + j, 13, centerstr->s[j], ZOC_HIGHLIGHT_COLOUR);
if (selLineOffset != 0) {
/* Draw meat lines */
if (selLineOffset > 0) {
for (i = 1, loopstr = centerstr->next; i < selLineOffset && i < 8 && loopstr != NULL; i++, loopstr = loopstr->next)
d->print_discrete(9, 13 + i, ZOC_HIGHLIGHT_COLOUR, loopstr->s);
} else {
for (i = -1, loopstr = centerstr->prev; i > selLineOffset && i > -8 && loopstr != NULL; i--, loopstr = loopstr->prev)
d->print_discrete(9, 13 + i, ZOC_HIGHLIGHT_COLOUR, loopstr->s);
}
/* Draw farthest line from centerstr */
if (i < 8 && i > -8 && loopstr != NULL) {
if (selLineOffset < 0) {
startPos = selPos;
endPos = strlen(loopstr->s);
} else if (selLineOffset > 0) {
startPos = 0;
endPos = selPos;
}
for (j = startPos; j < endPos; j++)
d->putch_discrete(9 + j, 13 + i, loopstr->s[j], ZOC_HIGHLIGHT_COLOUR);
}
}
/* Update the display */
d->update(3, 4, 51, 19);
}
/* Get the key */
key = d->getch();
selectFlag = d->shift();
/* If we just started selecting, remember where we started */
if (selectFlag && selPos == -1)
selPos = pos;
/* Keys which work when editing and browsing */
switch (key) {
case DKEY_UP: /* Up Arrow */
if (centerstr->prev != NULL && !(!editwidth && centerstr->prev == sv->first && sv->first->s[0] == '@')) {
centerstr = centerstr->prev;
if (pos > strlen(centerstr->s))
pos = strlen(centerstr->s);
if (selectFlag)
selLineOffset++;
updateflags = U_EDITAREA;
}
break;
case DKEY_DOWN: /* Down Arrow */
if (centerstr->next != NULL) {
centerstr = centerstr->next;
if (pos > strlen(centerstr->s))
pos = strlen(centerstr->s);
if (selectFlag)
selLineOffset--;
updateflags = U_EDITAREA;
}
break;
case DKEY_PAGEUP: /* Page Up */
for (i = 0; i < 7 && centerstr->prev != NULL && !(!editwidth && centerstr->prev == sv->first && sv->first->s[0] == '@'); i++) {
centerstr = centerstr->prev;
if (selectFlag)
selLineOffset++;
}
if (pos > strlen(centerstr->s))
pos = strlen(centerstr->s);
updateflags = U_EDITAREA;
break;
case DKEY_PAGEDOWN: /* Page Down */
for (i = 0; i < 7 && centerstr->next != NULL; i++) {
centerstr = centerstr->next;
if (selectFlag)
selLineOffset--;
}
if (pos > strlen(centerstr->s))
pos = strlen(centerstr->s);
updateflags = U_EDITAREA;
break;
case DKEY_CTRL_C:
case DKEY_CTRL_X:
/* Copy to register */
if (selPos != -1) {
stringnode *selStart = centerstr, *selEnd = centerstr;
int selStartPos, selEndPos;
selectionBounds bounds;
if (selLineOffset > 0) {
/* Other end of selection is below current line, move end down to meet it. */
selStartPos = pos;
selEndPos = selPos;
for (i = 0; i < selLineOffset; i++)
if (selEnd->next != NULL)
selEnd = selEnd->next;
} else if (selLineOffset < 0) {
/* Other end of selection is above current line, move end up to meet it. */
selStartPos = selPos;
selEndPos = pos;
for (i = 0; i > selLineOffset; i--)
if (selStart->prev != NULL)
selStart = selStart->prev;
} else {
/* Selection is only on current line: selStartPos gets the lesser of selPos & pos */
if (selPos > pos) {
selStartPos = pos;
selEndPos = selPos;
} else {
selStartPos = selPos;
selEndPos = pos;
}
}
bounds.startLine = selStart;
bounds.endLine = selEnd;
bounds.startPos = selStartPos;
bounds.endPos = selEndPos;
regyank('\"', bounds);
}
break;
case DKEY_ESC:
if (editwidth > EDITBOX_NOEDIT)
done = EDITBOX_OK;
else
done = EDITBOX_CANCEL;
break;
}
/* Keys pertaining to browsing only */
if (editwidth == EDITBOX_NOEDIT) {
switch (key) {
case DKEY_ENTER:
done = EDITBOX_OK;
break;
}
/* If movement is enabled... */
if (flags & EDITBOX_MOVEMENT) {
switch (key) {
case DKEY_BACKSPACE:
done = EDITBOX_BACK;
break;
case DKEY_RIGHT:
done = EDITBOX_FORWARD;
break;
case DKEY_LEFT:
done = EDITBOX_BACKWARD;
break;
case DKEY_F1:
done = EDITBOX_HELP;
break;
}
}
}
/* Keys pertaining to editing only */
if (editwidth > EDITBOX_NOEDIT) {
/* We are edititing! Yea! Fun time! */
switch (key) {
case DKEY_NONE:
break;
/********** Movement ***********/
case DKEY_LEFT: /* Left Arrow */
if (pos > 0)
pos--;
else {
/* Move to end of previous line (or current line) */
if (centerstr->prev != NULL) {
centerstr = centerstr->prev;
updateflags = U_EDITAREA;
}
pos = strlen(centerstr->s);
if (selectFlag)
selLineOffset++;
}
break;
case DKEY_RIGHT: /* Right Arrow */
if (pos < strlen(centerstr->s))
pos++;
else {
/* Move to begining of next line (or current line) */
if (centerstr->next != NULL) {
centerstr = centerstr->next;
updateflags = U_EDITAREA;
}
pos = 0;
if (selectFlag)
selLineOffset--;
}
break;
case DKEY_HOME: /* Home */
pos = 0;
break;
case DKEY_END: /* End */
pos = strlen(centerstr->s);
break;
case DKEY_UP:
case DKEY_DOWN:
case DKEY_PAGEUP:
case DKEY_PAGEDOWN:
case DKEY_CTRL_C:
/* Avoid inserting these keys */
break;
/********** Insert & Delete ***********/
case DKEY_INSERT:
/* Insert */
insertflag = !insertflag;
updateflags = U_PANEL;
break;
case DKEY_DELETE:
/* Delete */
if (pos < strlen(centerstr->s)) {
for (i = pos; i < strlen(centerstr->s); i++)
centerstr->s[i] = centerstr->s[i+1];
updateflags = U_CENTER;
}
else if (strlen(centerstr->s) == 0 && !(sv->first == sv->last)) {
/* This string is empty: destroy */
sv->cur = centerstr;
deletestring(sv);
centerstr = sv->cur;
pos = strlen(centerstr->s);
updateflags = U_EDITAREA;
}
else if (centerstr->next != NULL) {
if (strlen(centerstr->next->s) == 0) {
/* Next string is empty: destroy */
sv->cur = centerstr->next;
deletestring(sv);
updateflags = U_BOTTOM;
}
else if (strlen(centerstr->s) + 1 < wrapwidth) {
/* merge lines; wordwrap */
i = strlen(centerstr->s);
if (centerstr->s[i-1] != ' ' && centerstr->next->s[0] != ' ') {
/* add a space at the end */
centerstr->s[i] = ' ';
centerstr->s[++i] = 0;
}
sv->cur = centerstr->next;
tmpstr = removestring(sv);
sv->cur = centerstr;
pos = wordwrap(sv, tmpstr, i, -1, wrapwidth, editwidth);
centerstr = sv->cur;
free(tmpstr);
updateflags = U_CENTER | U_BOTTOM | U_TOP;
}
}
break;
/****** ZOC Mode & Wordwrap settings **********/
case DKEY_ALT_Z: /* alt-z - toggle ZOC mode */
flags ^= EDITBOX_ZOCMODE;
updateflags = U_PANEL | U_EDITAREA;
break;
case DKEY_ALT_MINUS: /* alt - */
if (wrapwidth > 10)
wrapwidth--;
else
wrapwidth = editwidth;
updateflags = U_PANEL;
break;
case DKEY_ALT_PLUS: /* alt + */
if (wrapwidth < editwidth)
wrapwidth++;
else
wrapwidth = 10;
updateflags = U_PANEL;
break;
/****** Help dialog ******/
case DKEY_F1: /* F1: help dialog */
/* Look for #command on current line for lookup in help */
i = pos;
while (i > 0 && centerstr->s[i] != '#')
i--;
if (centerstr->s[i] == '#') {
/* Copy the command onto tmpstr */
tmpstr = str_dup(centerstr->s + i + 1);
for (i = 0; tmpstr[i] != ' ' && tmpstr[i] != '\0'; i++)
;
tmpstr[i] = '\0';
if (zztoopFindCommand(tmpstr) == -1) {
/* If it's not a valid command, don't bother looking for it */
tmpstr[0] = '\0';
}
/* Display the help file with the command as the topic */
helpsectiontopic("langref", tmpstr, d);
free(tmpstr);
} else {
/* Display the oop help file */
helpsectiontopic("langref", NULL, d);
}
updateflags = U_ALL;
break;
/********* ZZM Testing ********************/
case DKEY_CTRL_T:
case DKEY_ALT_T:
sv->cur = centerstr;
testMusic(sv, key == DKEY_CTRL_T, editwidth, flags, d);
updateflags = U_EDITAREA;
break;
/********* File access operations *********/
case DKEY_ALT_O: /* alt+o: open file */
case DKEY_ALT_I:
/* alt+i: insert file */
{
stringvector filetypelist;
char* filename = NULL;
initstringvector(&filetypelist);
pushstring(&filetypelist, "*.zoc");
pushstring(&filetypelist, "*.txt");
pushstring(&filetypelist, "*.hlp");
pushstring(&filetypelist, "*.zzm");
pushstring(&filetypelist, "*.*");
if (editbox("Select A File Type", &filetypelist, 0, 1, d) == 27) {
updateflags = U_EDITAREA | U_TITLE;
break;
}
if (filetypelist.cur != NULL)
filename =
filedialog(".", filetypelist.cur->s + 2,
(key == DKEY_ALT_O ?
"Open ZZT Object Code (ZOC) File" :
"Insert ZZT Object Code (ZOC) File"),
FTYPE_ALL, d);
if (filename != NULL && strlen(filename) != 0) {
stringvector newsvector;
newsvector = filetosvector(filename, wrapwidth, editwidth);
if (newsvector.first != NULL) {
if (key == DKEY_ALT_O) {
strcpy(savefilename, filename);
/* erase & replace sv */
deletestringvector(sv);
*sv = newsvector;
centerstr = sv->first;
} else {
/* insert newsvector before centerstr */
sv->cur = centerstr;
if (sv->cur == sv->first) {
/* first node */
sv->first = newsvector.first;
sv->cur->prev = newsvector.last;
newsvector.last->next = sv->cur;
centerstr = newsvector.first;
} else if (sv->cur->prev != NULL) {
/* middle/end node */
newsvector.first->prev = sv->cur->prev;
sv->cur->prev->next = newsvector.first;
newsvector.last->next = sv->cur;
sv->cur->prev = newsvector.last;
centerstr = newsvector.first;
} else {
/* this code should be unreachable */
deletestringvector(&newsvector);
}
} /* esle alt-i */
} /* fi file selected */
} /* fi not empty */
free(filename);
removestringvector(&filetypelist);
} /* block */
updateflags = U_EDITAREA | U_TITLE | U_PANEL;
break;
case DKEY_ALT_S: /* alt-s: save to file */
{
char* filename;
filename = filenamedialog(savefilename, "", "Save Object Code As",
1, d);
if (filename != NULL) {
/* Save to the file */
svectortofile(sv, filename);
/* Remember the file name */
strncpy(savefilename, filename, SAVEFILENAME_LEN - 1);
savefilename[SAVEFILENAME_LEN - 1] = '\x0';
free(filename);
}
}
updateflags = U_EDITAREA | U_PANEL | U_PANEL;
break;
case DKEY_ALT_M: /* alt-m: load .zzm music */
{
char* filename;
filename = filedialog(".", "zzm", "Choose ZZT Music (ZZM) File",
FTYPE_ALL, d);
if (filename != NULL) {
stringvector zzmv;
zzmv = filetosvector(filename, 80, 80);
if (zzmv.first != NULL) {
stringvector song;
song = zzmpullsong(&zzmv, zzmpicksong(&zzmv, d));
if (song.first != NULL) {
/* copy song into sv */
sv->cur = centerstr;
for (song.cur = song.first; song.cur != NULL; song.cur = song.cur->next) {
tmpstr = (char*) malloc(editwidth + 2);
if (flags & EDITBOX_ZOCMODE) {
strcpy(tmpstr, "#play ");
strncat(tmpstr, song.cur->s, editwidth - 6);
} else {
strncpy(tmpstr, song.cur->s, editwidth);
}
preinsertstring(sv, tmpstr);
}
deletestringvector(&song);
}
deletestringvector(&zzmv);
}
}
free(filename);
}
updateflags = U_EDITAREA | U_TITLE | U_PANEL;
break;
case DKEY_CTRL_R: /* ctrl-r: rip music */
{
/* This is mostly worthless just now */
stringvector ripped;
sv->cur = centerstr;
ripped = zzmripsong(sv, 4);
scrolldialog("Ripped Music", &ripped, d);
deletestringvector(&ripped);
updateflags = U_ALL;
}
break;
/******** Cut operation *********/
case DKEY_CTRL_DELETE: /* ctrl-delete: clear selected text */
case DKEY_CTRL_X: /* ctrl-x: cut selected text */
sv->cur = centerstr;
/* Destroy the meat of the selection */
if (selPos != -1) {
int selStartPos, selEndPos, offset = selLineOffset;
if (offset < 0) {
/* Other end is above centerstr */
offset = -offset;
selStartPos = selPos;
selEndPos = pos;
/* Move back to top of selection */
for (i = 0; i < offset; i++) {
if (sv->cur->prev != NULL)
sv->cur = sv->cur->prev;
}
/* Change centerstr to reflect the top of the selection */
centerstr = sv->cur;
} else {
selStartPos = pos;
selEndPos = selPos;
}
if (offset == 0) {
/* Only one line to work with */
int deltaPos;
/* Reverse selStartPos and selEndPos if start is bigger */
if (selStartPos > selEndPos) {
int swapPos = selStartPos;
selStartPos = selEndPos;
selEndPos = swapPos;
}
/* Remove everything between selStartPos and selEndPos */
deltaPos = selEndPos - selStartPos;
for (i = selEndPos; i < strlen(centerstr->s); i++) {
centerstr->s[i - deltaPos] = centerstr->s[i];
}
centerstr->s[i - deltaPos] = '\0';
/* Move the cursor to the starting position of the cut */
pos = selStartPos;
} else {
/* Multiple lines were involved */
/* Remove lines following the first line of the block */
sv->cur = centerstr->next;
for (i = 0; i + 1 < offset; i++) {
deletestring(sv);
}
/* Remove the string at the end of the cut */
sv->cur = centerstr->next;
tmpstr = removestring(sv);
/* Remove first selEndPos chars from end string */
for (i = 0; i < (strlen(tmpstr) - selEndPos); i++)
tmpstr[i] = tmpstr[i+selEndPos];
tmpstr[i] = 0;
/* Truncate the string at the start of the cut */
sv->cur = centerstr;
sv->cur->s[selStartPos] = '\0';
/* Wordwrap the end string onto this one */
/* The -1 tells wordwrap to track the cursor position at
* the beginning of tmpstr. Negative tracking values should
* be used only by wordwrap for internal purposes, but
* necessity warrents in this case. vv */
pos = wordwrap(sv, tmpstr, selStartPos, -1, wrapwidth, editwidth);
centerstr = sv->cur; /* Follow cursor */
/* tmpstr is our responsability */
free(tmpstr);
}
updateflags = U_EDITAREA;
}
break;
case DKEY_CTRL_V: /* ctrl-v: paste register */
sv->cur = centerstr;
pos = regput('\"', sv, pos, wrapwidth, editwidth);
centerstr = sv->cur;
updateflags = U_EDITAREA;
break;
case DKEY_TAB: /* Tab */
/* determine tab amount */
j = 4 - (pos % 4);
if (strlen(centerstr->s) + j < (wrapwidth?wrapwidth:editwidth)) {
/* insert if there is room */
for (i = strlen(centerstr->s) + j; i > pos; i--)
centerstr->s[i] = centerstr->s[i-j];
for (i = 0; i < j; i++)
centerstr->s[pos++] = ' ';
updateflags = U_CENTER;
}
else {
/* no room; wordwrap */
for (i = 0; i < j; i++)
strbuf[i] = ' ';
strbuf[i] = 0;
sv->cur = centerstr;
pos = wordwrap(sv, strbuf, pos, pos, wrapwidth, editwidth);
centerstr = sv->cur;
updateflags = U_EDITAREA;
}
break;
case DKEY_ENTER:
/* Enter */
tmpstr = (char*) malloc(editwidth + 2);
for (i = pos, j = 0; i < strlen(centerstr->s); i++, j++)
tmpstr[j] = centerstr->s[i];
centerstr->s[pos] = 0;
tmpstr[j] = 0;
sv->cur = centerstr;
insertstring(sv, tmpstr);
centerstr = centerstr->next;
pos = 0;
updateflags = U_EDITAREA;
break;
case DKEY_BACKSPACE:
/* Backspace */
if (pos > 0) {
for (i = pos - 1; i < strlen(centerstr->s); i++)
centerstr->s[i] = centerstr->s[i+1];
pos--;
updateflags = U_CENTER;
}
else if (centerstr->prev != NULL) {
if (strlen(centerstr->s) == 0) {
/* remove current line & move up & to eol */
sv->cur = centerstr;
centerstr = centerstr->prev;
pos = strlen(centerstr->s);
deletestring(sv);
updateflags = U_TOP | U_CENTER;
}
else if (strlen(centerstr->prev->s) == 0) {
/* remove previous line */
sv->cur = centerstr->prev;
deletestring(sv);
/* update center too, in case @ line has moved to top now */
updateflags = U_TOP | U_CENTER;
}
else if (strlen(centerstr->prev->s) + 1 < wrapwidth) {
/* merge lines; wordwrap */
i = strlen(centerstr->prev->s);
if (centerstr->prev->s[i-1] != ' ' && centerstr->s[0] != ' ') {
/* add a space at the end */
centerstr->prev->s[i] = ' ';
centerstr->prev->s[i + 1] = 0;
}
sv->cur = centerstr->prev;
tmpstr = removestring(sv);
sv->cur = centerstr;
pos = wordwrap(sv, tmpstr, 0, 0, wrapwidth, editwidth);
centerstr = sv->cur;
free(tmpstr);
updateflags = U_EDITAREA;
}
}
break;
case DKEY_CTRL_Y: /* ctrl-y: delete line */
pos = 0;
sv->cur = centerstr;
if (centerstr->next != NULL) {
centerstr = centerstr->next;
deletestring(sv);
updateflags = U_CENTER | U_BOTTOM;
}
else if (centerstr->prev != NULL) {
centerstr = centerstr->prev;
deletestring(sv);
updateflags = U_TOP | U_CENTER;
}
else {
centerstr->s[0] = 0;
updateflags = U_CENTER;
}
break;
case DKEY_ESC: /* escape when done */
done = EDITBOX_OK;
break;
case DKEY_CTRL_A: /* ctrl-a: insert ascii char/decimal-value */
strcpy(strbuf, centerstr->s);
updateflags = U_EDITAREA;
if (str_equ(strbuf, "#char", STREQU_UNCASE | STREQU_RFRONT)) {
/* append dec value for ascii char */
sscanf(strbuf + 5, "%d", &selChar);
key = charselect(d, selChar);
if (key == -1)
break;
selChar = key;
centerstr->s[5] = ' ';
centerstr->s[6] = 0;
/* change c to a string */
sprintf(strbuf, "%d", selChar);
strcat(centerstr->s, strbuf);
pos = strlen(centerstr->s);
updateflags = U_EDITAREA;
break;
}
else {
/* ctrl-a: insert ascii char */
key = charselect(d, selChar);
if (key == -1)
break;
else
selChar = key;
}
/* no break; we just changed the key & want to insert it */
default:
key = key & 0xFF; /* Clear all but the first 8 bits */
/* Normal/weird char for insert/replace */
if (insertflag) {
/* insert */
if (strlen(centerstr->s) < (wrapwidth?wrapwidth:editwidth)) {
/* insert if there is room */
for (i = strlen(centerstr->s) + 1; i > pos; i--)
centerstr->s[i] = centerstr->s[i-1];
centerstr->s[pos++] = key;
updateflags |= U_CENTER;
}
else if (wrapwidth) {
/* no room; wordwrap */
strbuf[0] = key;
strbuf[1] = 0;
sv->cur = centerstr;
pos = wordwrap(sv, strbuf, pos, pos, wrapwidth, editwidth);
centerstr = sv->cur;
updateflags = U_EDITAREA;
}
}
else {
/* easy replace */
if (centerstr->s[pos] == 0) {
if (strlen(centerstr->s) < (wrapwidth?wrapwidth:editwidth)) {
centerstr->s[pos+1] = 0;
centerstr->s[pos++] = key;
updateflags |= U_CENTER;
}
else if (wrapwidth) {
/* no room; wordwrap */
strbuf[0] = key;
strbuf[1] = 0;
sv->cur = centerstr;
pos = wordwrap(sv, strbuf, pos, pos, wrapwidth, editwidth);
centerstr = sv->cur;
updateflags = U_EDITAREA;
}
}
else {
centerstr->s[pos++] = key;
updateflags |= U_CENTER;
}
} /* esle replace */
break;
}
} /* esle in editmode */
/* if the shift key is not still held down and we are selecting,
* then stop select mode */
/* also stop if true ASCII key was pressed and selection is active */
if ((!selectFlag && selPos != -1) || (key < 0x7F && selPos != -1)) {
selPos = -1;
selLineOffset = 0;
updateflags |= U_EDITAREA;
}
} /* elihw */
sv->cur = centerstr;
return done;
}
/**
* @relates texteditor
* @brief Delete the character before the cursor.
*/
void texteditBackspace(texteditor * editor)
{
int i;
if (editor->selectflag) {
texteditClearSelectedText(editor);
return;
}
if (editor->pos > 0) {
/* Slide everything at or after the cursor back */
for (i = editor->pos - 1; i < strlen(editor->curline->s); i++)
editor->curline->s[i] = editor->curline->s[i+1];
/* Cursor moves back too */
editor->pos--;
editor->updateflags |= TUD_CENTER;
}
else if (editor->curline->prev != NULL) {
if (strlen(editor->curline->s) == 0) {
/* remove current line & move up & to eol */
editor->text->cur = editor->curline;
editor->curline = editor->curline->prev;
editor->pos = strlen(editor->curline->s);
deletestring(editor->text);
editor->updateflags |= TUD_TOP | TUD_CENTER;
}
else if (strlen(editor->curline->prev->s) == 0) {
/* remove previous line */
editor->text->cur = editor->curline->prev;
deletestring(editor->text);
/* update center too, in case @ line has moved to top now */
editor->updateflags |= TUD_TOP | TUD_CENTER;
}
else if (strlen(editor->curline->prev->s) + 1 < editor->wrapwidth) {
/* merge lines; wordwrap */
char * prevline;
i = strlen(editor->curline->prev->s);
/* Previous line must have a space at the end */
if (editor->curline->prev->s[i-1] != ' ' && editor->curline->s[0] != ' ') {
/* add a space at the end */
editor->curline->prev->s[i] = ' ';
editor->curline->prev->s[i + 1] = 0;
}
/* Grab the previous line */
editor->text->cur = editor->curline->prev;
prevline = removestring(editor->text);
editor->text->cur = editor->curline;
/* Wrap the previous line onto the beginning of the current line */
editor->pos = wordwrap(editor->text, prevline, 0, 0, editor->wrapwidth, editor->linewidth);
editor->curline = editor->text->cur;
free(prevline);
editor->updateflags |= TUD_EDITAREA;
}
}
}
int clearuser(int usern)
{
struct linknodes *nextdcc;
struct linknodes *thisdcc;
_lastuser=-1;
while (user(usern)->ignores!=NULL)
user(usern)->ignores=removestring(0,user(usern)->ignores);
while (user(usern)->bans!=NULL)
user(usern)->bans=removestring(0,user(usern)->bans);
while (user(usern)->ops!=NULL)
user(usern)->ops=removestring(0,user(usern)->ops);
while (user(usern)->aops!=NULL)
user(usern)->aops=removestring(0,user(usern)->aops);
while (user(usern)->askops!=NULL)
user(usern)->askops=removestring(0,user(usern)->askops);
while (user(usern)->logs!=NULL)
user(usern)->logs=removestring(0,user(usern)->logs);
while (user(usern)->keys!=NULL)
user(usern)->keys=removestring(0,user(usern)->keys);
#ifdef CRYPT
while (user(usern)->encrypt!=NULL)
user(usern)->encrypt=removestring(0,user(usern)->encrypt);
#endif
#ifdef TRANSLATE
while (user(usern)->translates!=NULL)
user(usern)->translates=removestring(0,user(usern)->translates);
#endif
#ifdef SCRIPTING
clearuserscript(usern);
#endif
removeallchannelsfromuser(usern);
nextdcc=user(usern)->dcc;
if (nextdcc !=NULL)
{
thisdcc=nextdcc;
if (thisdcc->link !=NULL)
{
if (thisdcc->link->outstate==STD_CONN)
killsocket(thisdcc->link->outsock);
if (thisdcc->link!=NULL)
free(thisdcc->link);
}
nextdcc=nextdcc->next;
free(thisdcc);
}
#ifdef TRAFFICLOG
if(user(usern)->trafficlog!=NULL) fclose(user(usern)->trafficlog);
user(usern)->trafficlog=NULL;
#endif
memset(user(usern),0x0,sizeof(struct usert));
if (thisuser!=NULL)
{
/* collecting the garbage */
if (thisuser->user != NULL)
{
free(thisuser->user);
if(thisuser)
thisuser->user=NULL;
}
thisuser=NULL;
}
return 0x0;
}
