/*= CursorLeft_N ==============================================================
Purpose: Moves the cursor left N characters to the left
Inputs: n -- number of characters to move the cursor to the left
Note: This sequence only takes a single digit of length, so may need to
do the move in steps
Returns: none
============================================================================*/
tZGVoidReturn CursorLeft_N(tZGU8 n)
{
tZGS8 sequence_string[sizeof(cursorLeftEscapeSequence) + 2]; /* null and extra digit */
if (n > 0u)
{
SET_CURSOR( GET_CURSOR() - n );
sequence_string[0] = cursorLeftEscapeSequence[0]; /* ESC */
sequence_string[1] = cursorLeftEscapeSequence[1]; /* '[' */
if (n < 10u)
{
sequence_string[2] = n + '0'; /* ascii digit */
sequence_string[3] = cursorLeftEscapeSequence[3]; /* 'D' */
sequence_string[4] = '\0';
}
else
{
sequence_string[2] = (n / 10) + '0'; /* first ascii digit */
sequence_string[3] = (n % 10) + '0'; /* second ascii digit */
sequence_string[4] = cursorLeftEscapeSequence[3]; /* 'D' */
sequence_string[5] = '\0';
}
ZG_PUTSUART( (char *) sequence_string);
}
}
static void EraseEntireLine()
{
// int i;
SYS_CONSOLE_MESSAGE(eraseEntireLineEscapeSequence);
CursorLeft_N(GET_CURSOR());
SET_CURSOR(0);
}
static void EraseEntireLine()
{
// int i;
putrsUART( (ROM FAR char*) eraseEntireLineEscapeSequence);
CursorLeft_N(GET_CURSOR());
SET_CURSOR(0);
}
/*= CursorLeft_N ==============================================================
Purpose: Moves the cursor left N characters to the left
Inputs: n -- number of characters to move the cursor to the left
Note: This sequence only takes a single digit of length, so may need to
do the move in steps
Returns: none
============================================================================*/
void CursorLeft_N(uint8_t n)
{
char sequence_string[sizeof(cursorLeftEscapeSequence) + 2]; /* null and extra digit */
// ASSERT(n <= g_ConsoleContext.cursorIndex + CMD_LINE_PROMPT_LENGTH);
if (n > 0u)
{
SET_CURSOR( GET_CURSOR() - n );
sequence_string[0] = cursorLeftEscapeSequence[0]; /* ESC */
sequence_string[1] = cursorLeftEscapeSequence[1]; /* '[' */
if (n < 10u)
{
sequence_string[2] = n + '0'; /* ascii digit */
sequence_string[3] = cursorLeftEscapeSequence[3]; /* 'D' */
sequence_string[4] = '\0';
}
else
{
sequence_string[2] = (n / 10) + '0'; /* first ascii digit */
sequence_string[3] = (n % 10) + '0'; /* second ascii digit */
sequence_string[4] = cursorLeftEscapeSequence[3]; /* 'D' */
sequence_string[5] = '\0';
}
SYS_CONSOLE_MESSAGE(sequence_string);
}
}
/*
=================
UI_DrawMouseCursor
=================
*/
void UI_DrawMouseCursor( void )
{
menuCommon_s *item;
HICON hCursor = NULL;
int i;
if( uiStatic.hideCursor ) return;
for( i = 0; i < uiStatic.menuActive->numItems; i++ )
{
item = (menuCommon_s *)uiStatic.menuActive->items[i];
if ( item->flags & (QMF_INACTIVE|QMF_HIDDEN))
continue;
if ( !UI_CursorInRect( item->x, item->y, item->width, item->height ))
continue;
if ( item->flags & QMF_GRAYED )
{
hCursor = (HICON)LoadCursor( NULL, (LPCTSTR)OCR_NO );
}
else
{
if( item->type == QMTYPE_FIELD )
hCursor = (HICON)LoadCursor( NULL, (LPCTSTR)OCR_IBEAM );
}
break;
}
if( !hCursor ) hCursor = (HICON)LoadCursor( NULL, (LPCTSTR)OCR_NORMAL );
SET_CURSOR( hCursor );
}
/*= CursorRight_N ==============================================================
Purpose: Moves the cursor left N characters to the right
Inputs: n -- number of characters to move the cursor to the left
Note: This sequence only takes a single digit of length, so may need to
do the move in steps
Returns: none
============================================================================*/
void CursorRight_N(UINT8 n)
{
INT8 sequence_string[sizeof(cursorRightEscapeSequence) + 2]; /* null and extra digit */
// ASSERT(n <= (strlen(g_ConsoleContext.buf) + CMD_LINE_PROMPT_LENGTH));
if (n > 0u)
{
SET_CURSOR( GET_CURSOR() + n );
sequence_string[0] = cursorRightEscapeSequence[0]; /* ESC */
sequence_string[1] = cursorRightEscapeSequence[1]; /* '[' */
if (n < 10u)
{
sequence_string[2] = n + '0'; /* ascii digit */
sequence_string[3] = cursorRightEscapeSequence[3]; /* 'C' */
sequence_string[4] = '\0';
}
else
{
sequence_string[2] = (n / 10) + '0'; /* first ascii digit */
sequence_string[3] = (n % 10) + '0'; /* second ascii digit */
sequence_string[4] = cursorRightEscapeSequence[3]; /* 'C' */
sequence_string[5] = '\0';
}
putsUART( (char *) sequence_string);
}
}
/*= CursorRight =============================================================
Purpose: Moves the cursor right by one character
Inputs: none
Returns: none
============================================================================*/
void CursorRight(void)
{
/* if cursor is not already at the right-most position */
if (GET_CURSOR() < GET_LEN_RX_CMD_STRING() + gCmdLinePromptLength)
{
SET_CURSOR( GET_CURSOR() + 1);
SYS_CONSOLE_MESSAGE(cursorRightEscapeSequence);
}
}
/*= CursorLeft ==============================================================
Purpose: Moves the cursor left by one character
Inputs: none
Returns: none
============================================================================*/
tZGVoidReturn CursorLeft(tZGVoidInput)
{
/* if cursor is not already at the left-most position */
if (GET_CURSOR() > strlenpgm( (ROM FAR char *) gCmdLinePrompt))
{
SET_CURSOR( GET_CURSOR() - 1);
ZG_PUTRSUART( (ROM FAR char *) cursorLeftEscapeSequence);
}
}
/*= CursorRight =============================================================
Purpose: Moves the cursor right by one character
Inputs: none
Returns: none
============================================================================*/
void CursorRight(void)
{
/* if cursor is not already at the right-most position */
if (GET_CURSOR() < GET_LEN_RX_CMD_STRING() + gCmdLinePromptLength)
{
SET_CURSOR( GET_CURSOR() + 1);
putrsUART( (ROM FAR char*) cursorRightEscapeSequence);
}
}
/*= CursorLeft ==============================================================
Purpose: Moves the cursor left by one character
Inputs: none
Returns: none
============================================================================*/
void CursorLeft(void)
{
/* if cursor is not already at the left-most position */
if (GET_CURSOR() > strlenpgm( (ROM FAR char *) gCmdLinePrompt))
{
SET_CURSOR( GET_CURSOR() - 1);
putrsUART( (ROM FAR char *) cursorLeftEscapeSequence);
}
}
/*= CursorLeft ==============================================================
Purpose: Moves the cursor left by one character
Inputs: none
Returns: none
============================================================================*/
void CursorLeft(void)
{
/* if cursor is not already at the left-most position */
if (GET_CURSOR() > strlen( (const FAR char *) gCmdLinePrompt))
{
SET_CURSOR( GET_CURSOR() - 1);
SYS_CONSOLE_MESSAGE(cursorLeftEscapeSequence);
}
}
/*= CursorRight =============================================================
Purpose: Moves the cursor right by one character
Inputs: none
Returns: none
============================================================================*/
tZGVoidReturn CursorRight(tZGVoidInput)
{
/* if cursor is not already at the right-most position */
if (GET_CURSOR() < GET_LEN_RX_CMD_STRING() + gCmdLinePromptLength)
{
SET_CURSOR( GET_CURSOR() + 1);
ZG_PUTRSUART( (ROM FAR char*) cursorRightEscapeSequence);
}
}
static void OutputCommandPrompt(void)
{
if ( IS_ECHO_ON() )
{
putrsUART("\n\r");
putrsUART((ROM FAR char*) gCmdLinePrompt);
}
SET_CURSOR(gCmdLinePromptLength);
memset(g_ConsoleContext.rxBuf, 0x00, sizeof(g_ConsoleContext.rxBuf));
}
static void OutputCommandPrompt(void)
{
if ( IS_ECHO_ON() )
{
SYS_CONSOLE_MESSAGE("\n\r");
SYS_CONSOLE_MESSAGE(gCmdLinePrompt);
}
SET_CURSOR(gCmdLinePromptLength);
memset(g_ConsoleContext.rxBuf, 0x00, sizeof(g_ConsoleContext.rxBuf));
}
static tZGVoidReturn OutputCommandPrompt(tZGVoidInput)
{
if ( IS_ECHO_ON() )
{
ZG_PUTRSUART("\n\r");
ZG_PUTRSUART((ROM FAR char*) gCmdLinePrompt);
}
SET_CURSOR(gCmdLinePromptLength);
memset(g_ConsoleContext.rxBuf, 0x00, sizeof(g_ConsoleContext.rxBuf));
}
/*****************************************************************************
* FUNCTION: ZGConsoleInit
*
* RETURNS: None
*
* PARAMS: p_cmdStrings -- pointer to array of application-specific command strings
* numCmdStrings -- number of strings in p_cmdStrings
*
* NOTES: Initialization for console thread
*
*****************************************************************************/
tZGVoidReturn ZGConsoleInit( ROM tZGU8 **p_cmdStrings, tZGU8 numCmdStrings)
{
SET_RX_STATE(kSTWaitForChar);
SET_CURSOR(0);
// zero out command line buffer
memset(g_ConsoleContext.rxBuf, 0x00, sizeof(g_ConsoleContext.rxBuf));
g_ConsoleContext.bStateMachineLoop = kZGBoolTrue;
g_ConsoleContext.firstChar = kZGBoolFalse;
g_ConsoleContext.p_cmdStrings = p_cmdStrings;
g_ConsoleContext.numCmdStrings = numCmdStrings;
g_ConsoleContext.appConsoleMsgRx = kZGBoolFalse;
SET_ECHO_ON();
#if (kZGNumHistoryEntries > 0)
InitHistory();
#endif
}
/*****************************************************************************
* FUNCTION: WFConsoleInit
*
* RETURNS: None
*
* PARAMS:
*
* NOTES: Initialization for console thread
*
*****************************************************************************/
void WFConsoleInit(void)
{
SET_RX_STATE(kSTWaitForChar);
SET_CURSOR(0);
// zero out command line buffer
memset(g_ConsoleContext.rxBuf, 0x00, sizeof(g_ConsoleContext.rxBuf));
g_ConsoleContext.bStateMachineLoop = TRUE;
g_ConsoleContext.firstChar = FALSE;
g_ConsoleContext.appConsoleMsgRx = FALSE;
SET_ECHO_ON();
#if (kWFNumHistoryEntries > 0)
InitHistory();
#endif
g_ConsoleContext.echoOn = TRUE;
}
/*= Backspace ================================================================
Purpose: Performs a backspace operation on the command line
Inputs: none
Returns: none
============================================================================*/
static void Backspace(void)
{
UINT8 num_chars;
UINT8 orig_index = GET_CURSOR();
/* if cursor is not at the left-most position */
if (GET_CURSOR() != gCmdLinePromptLength)
{
/* Null out tmp cmd line */
memset(gTmpCmdLine, 0x00, sizeof(gTmpCmdLine));
/* get characters before the backspace */
num_chars = GET_CURSOR() - gCmdLinePromptLength - 1;
strncpy( (char *) gTmpCmdLine, (const char *) g_ConsoleContext.rxBuf, num_chars);
/* append characters after the deleted char (if there are any) */
if ( (GET_LEN_RX_CMD_STRING() - 1) > 0u)
{
strcpy( (char *) &gTmpCmdLine[num_chars], (const char *) &g_ConsoleContext.rxBuf[num_chars + 1]);
}
EraseEntireLine(); /* leaves g_ConsoleContext.cursorIndex at 0 */
strcpy( (char *) g_ConsoleContext.rxBuf, (const char *) gTmpCmdLine);
putrsUART( (ROM FAR char *) gCmdLinePrompt);
putsUART( (char *) g_ConsoleContext.rxBuf);
SET_CURSOR(gCmdLinePromptLength + GET_LEN_RX_CMD_STRING());
CursorHome(); /* to first character after prompt */
/* move cursor to point of backspace */
CursorRight_N(orig_index - 1 - gCmdLinePromptLength);
}
}
static void Delete(void)
{
unsigned int num_chars;
unsigned int orig_index = GET_CURSOR();
/* if cursor is not at the end of the line */
if (GET_CURSOR() != GET_LEN_RX_CMD_STRING() + gCmdLinePromptLength)
{
/* Null out tmp cmd line */
memset(gTmpCmdLine, 0x00, sizeof(gTmpCmdLine));
/* get characters before the deleted key */
num_chars = GET_CURSOR() - gCmdLinePromptLength;
strncpy( (char *) gTmpCmdLine, (const char *) g_ConsoleContext.rxBuf, num_chars);
/* append characters after the deleted char (if there are any) */
if (strlen( (char *) g_ConsoleContext.rxBuf) - 1 > 0u)
{
strcpy( (char *) &gTmpCmdLine[num_chars], (const char *) &g_ConsoleContext.rxBuf[num_chars + 1]);
}
EraseEntireLine(); /* leaves g_ConsoleContext.cursorIndex at 0 */
putrsUART( (ROM FAR char *) gCmdLinePrompt);
strcpy( (char *) g_ConsoleContext.rxBuf, (const char *) gTmpCmdLine);
putsUART( (char *) g_ConsoleContext.rxBuf );
SET_CURSOR(gCmdLinePromptLength + GET_LEN_RX_CMD_STRING());
CursorHome(); /* to first character after prompt */
/* move cursor to point of delete */
CursorRight_N(orig_index - gCmdLinePromptLength);
}
}
void empty_cursor(void)
{
SET_CURSOR(null_cursor, 0, 0);
}
/*****************************************************************************
* FUNCTION: DisplayHistoryEntry
*
* RETURNS: None
*
* PARAMS: action -- PREV_HISTORY or NEXT_HISTORY
*
* NOTES: In response to the user pressing up or down arrow key, display
* corresponding entry in history buffer.
*
*****************************************************************************/
static void DisplayHistoryEntry(uint8_t action)
{
bool foundEntry = false;
// if nothing in history buffer
if (history.seeded == false)
{
return;
}
if (action == (uint8_t)kPrevHistory)
{
--history.recallIndex;
if (history.recallIndex < 0)
{
history.recallIndex = kNumHistoryEntries - 1;
}
/* search until found a history entry or searched all entries */
while (foundEntry == false)
{
/* if found a history entry */
if (history.buf[history.recallIndex][0] != 0)
{
foundEntry = true;
}
else
{
--history.recallIndex;
if (history.recallIndex < 0)
{
history.recallIndex = kNumHistoryEntries - 1;
}
}
}
}
else /* action == kNextHistory */
{
history.recallIndex = (history.recallIndex + 1) % kNumHistoryEntries;
/* search until found a history entry or searched all entries */
while (foundEntry == false)
{
/* if found a history entry */
if (history.buf[history.recallIndex][0] != 0)
{
foundEntry = true;
}
else
{
history.recallIndex = (history.recallIndex + 1) % kNumHistoryEntries;
}
}
}
if (foundEntry)
{
// erase line on screen and output command from history
EraseEntireLine(); /* leaves Cursor_Index at 0 */
SYS_CONSOLE_MESSAGE(gCmdLinePrompt );
SYS_CONSOLE_MESSAGE(history.buf[history.recallIndex]);
// copy history command to console buffer (so they match) and put cursor
// at end of line
memset(g_ConsoleContext.rxBuf, 0x00, GET_LEN_RX_CMD_STRING() );
strcpy( (char *) g_ConsoleContext.rxBuf, (const char *) history.buf[history.recallIndex]);
SET_CURSOR(gCmdLinePromptLength + strlen( (char *) history.buf[history.recallIndex]));
}
}
/*****************************************************************************
* FUNCTION: DisplayHistoryEntry
*
* RETURNS: None
*
* PARAMS: action -- PREV_HISTORY or NEXT_HISTORY
*
* NOTES: In response to the user pressing up or down arrow key, display
* corresponding entry in history buffer.
*
*****************************************************************************/
static void DisplayHistoryEntry(UINT8 action)
{
BOOL foundEntry = FALSE;
// if nothing in history buffer
if (history.seeded == FALSE)
{
return;
}
if (action == (UINT8)kWFPrevHistory)
{
--history.recallIndex;
if (history.recallIndex < 0)
{
history.recallIndex = kWFNumHistoryEntries - 1;
}
/* search until found a history entry or searched all entries */
while (foundEntry == FALSE)
{
/* if found a history entry */
if (history.buf[history.recallIndex][0] != 0)
{
foundEntry = TRUE;
}
else
{
--history.recallIndex;
if (history.recallIndex < 0)
{
history.recallIndex = kWFNumHistoryEntries - 1;
}
}
}
}
else /* action == kWFNextHistory */
{
history.recallIndex = (history.recallIndex + 1) % kWFNumHistoryEntries;
/* search until found a history entry or searched all entries */
while (foundEntry == FALSE)
{
/* if found a history entry */
if (history.buf[history.recallIndex][0] != 0)
{
foundEntry = TRUE;
}
else
{
history.recallIndex = (history.recallIndex + 1) % kWFNumHistoryEntries;
}
}
}
if (foundEntry)
{
// erase line on screen and output command from history
EraseEntireLine(); /* leaves Cursor_Index at 0 */
putrsUART( (ROM FAR char *) gCmdLinePrompt );
putsUART( (char *) history.buf[history.recallIndex]);
// copy history command to console buffer (so they match) and put cursor
// at end of line
memset(g_ConsoleContext.rxBuf, 0x00, GET_LEN_RX_CMD_STRING() );
strcpy( (char *) g_ConsoleContext.rxBuf, (const char *) history.buf[history.recallIndex]);
SET_CURSOR(gCmdLinePromptLength + strlen( (char *) history.buf[history.recallIndex]));
}
}
/*= InsertCharacter =========================================================
Purpose: Inserts and echoes an printable character into the command line at the
cursor location.
Inputs: c -- char to insert
Returns: none
============================================================================*/
static void InsertCharacter(INT8 c)
{
UINT8 len;
UINT8 i;
UINT8 orig_cursor_index = GET_CURSOR();
UINT8 count;
/* throw away characters if exceeded cmd line length */
if (GET_LEN_RX_CMD_STRING() >= sizeof(g_ConsoleContext.rxBuf)-1)
{
return;
}
len = GET_LEN_RX_CMD_STRING() + gCmdLinePromptLength;
/* if inserting a character at end of cmd line */
if (GET_CURSOR() == len)
{
g_ConsoleContext.rxBuf[GET_CURSOR() - gCmdLinePromptLength] = c;
SET_CURSOR(GET_CURSOR() + 1);
EchoCharacter(c);
}
/* inserting a character somewhere before the end of command line */
else
{
/* Null out tmp cmd line */
memset(gTmpCmdLine, 0x00, sizeof(gTmpCmdLine));
/* copy up to the point of insertion */
strncpy( (char *) gTmpCmdLine, (const char *) g_ConsoleContext.rxBuf, GET_CURSOR() - gCmdLinePromptLength);
/* insert the new character */
gTmpCmdLine[GET_CURSOR() - gCmdLinePromptLength] = c;
/* copy the chars after the new character */
strncpy( (char *) &gTmpCmdLine[GET_CURSOR() - gCmdLinePromptLength + 1],
(const char *) &g_ConsoleContext.rxBuf[GET_CURSOR() - gCmdLinePromptLength],
len - GET_CURSOR());
/* put the first part of new string in the cmd line buffer */
strcpy( (char *) g_ConsoleContext.rxBuf, (const char *) gTmpCmdLine);
/* erase entire line, put the cursor at index 0 */
EraseEntireLine();
/* output the prompt */
putrsUART( (ROM FAR char *) gCmdLinePrompt);
/* Output the updated command line */
putsUART( (char *) &g_ConsoleContext.rxBuf[0]);
/* move the cursor to the next insert location */
count = (len + 1) - orig_cursor_index - 1;
for (i = 0; i < count; ++i)
{
putrsUART( (ROM FAR char *) cursorLeftEscapeSequence);
}
SET_CURSOR(orig_cursor_index + 1);
}
}