/*--------------------------------------------------------------------------*/
char *TerminalGetString(char *prompt)
{
if (InitTerm)
{
InitializeTerminal();
InitTerm = FALSE;
}
newLine();
setCurrentPrompt(prompt);
/* print the prompt */
displayPrompt();
/* initialize history search */
setSearchedTokenInScilabHistory(NULL);
for (;;)
{
unsigned char cur_char = TerminalGetchar();
if (cur_char <= 0)
{
return NULL;
}
/* http://bugzilla.scilab.org/show_bug.cgi?id=1052 */
if (ismenu () == 1)
{
/* Abort current line */
return NULL;
}
if ( (cur_char == CR_1) || (cur_char == CR_2) )
{
if ( isHistorySearch() )
{
putLineSearchedHistory();
}
else
{
char *line = getCurrentLine();
TerminalPutc('\n');
appendLineToScilabHistory(line);
return line;
}
}
else
{
TerminalPutc(cur_char);
addCharacterCurrentLine(cur_char);
}
}
return NULL;
}
/*--------------------------------------------------------------------------*/
void moveForwardSingleWord(void)
{
reallocLineBuffer();
while ( !isspace(cur_line[cur_pos]) && (cur_pos < max_pos) )
{
TerminalPutc(cur_line[cur_pos]);
cur_pos++;
}
while ( isspace(cur_line[cur_pos]) && (cur_pos < max_pos) )
{
TerminalPutc(cur_line[cur_pos]);
cur_pos++;
}
refreshLine();
}
/*--------------------------------------------------------------------------*/
void refreshLine(void)
{
int i = 0;
reallocLineBuffer();
/* write tail of string */
for (i = cur_pos; i < max_pos; i++) TerminalPutc(cur_line[i]);
/* write a space at the end of the line in case we deleted one */
TerminalPutc(VK_SPACE);
/* backup to original position */
for (i = max_pos + 1; i > cur_pos; i--) backSpace ();
}
/*--------------------------------------------------------------------------*/
void clearCurrentLine(void)
{
int i = 0;
reallocLineBuffer();
for (i = 0; i < max_pos; i++) cur_line[i] = '\0';
moveBeginningLine();
for (i = 0; i < max_pos; i++) TerminalPutc(VK_SPACE);
TerminalPutc('\r');
displayPrompt();
newLine();
}
/*--------------------------------------------------------------------------*/
void moveEndLine(void)
{
reallocLineBuffer();
while (cur_pos < max_pos)
{
TerminalPutc (cur_line[cur_pos]);
cur_pos += 1;
}
}
/*--------------------------------------------------------------------------*/
void moveForwardSingleChar(void)
{
reallocLineBuffer();
if (cur_pos < max_pos)
{
TerminalPutc(cur_line[cur_pos]);
cur_pos += 1;
}
}
/*--------------------------------------------------------------------------*/
void killCurrentPositionToEndLine(void)
{
int i = 0;
reallocLineBuffer();
for (i = cur_pos; i < max_pos; i++) cur_line[i] = '\0';
for (i = cur_pos; i < max_pos; i++) TerminalPutc(VK_SPACE);
for (i = cur_pos; i < max_pos; i++) backSpace ();
max_pos = cur_pos;
}
/*--------------------------------------------------------------------------*/
static void backSpace(void)
{
int X = 0, Y = 0;
reallocLineBuffer();
TermGetPosition(&X, &Y);
if ( (X - 1) < 0 )
{
X = getXConsoleScreenSize();
Y = Y - 1;
TermSetPosition(X, Y);
}
else TerminalPutc(VK_BACK);
}