/* Initialise an edit box widget */
void W_EDITBOX::initialise()
{
state = WEDBS_FIXED;
printStart = 0;
iV_SetFont(FontID);
fitStringStart();
}
void W_EDITBOX::initialise()
{
state = WEDBS_FIXED;
printStart = 0;
maxStringSize = EB_MAX_STRINGSIZE;
fitStringStart();
}
/* Respond to loss of focus */
void W_EDITBOX::focusLost(W_SCREEN *psScreen)
{
ASSERT(!(state & WEDBS_DISABLE), "editBoxFocusLost: disabled edit box" );
/* Stop editing the widget */
state = WEDBS_FIXED;
printStart = 0;
fitStringStart();
widgSetReturn(psScreen, this);
}
/* Respond to loss of focus */
void W_EDITBOX::focusLost()
{
ASSERT(!(state & WEDBS_DISABLE), "editBoxFocusLost: disabled edit box");
/* Stop editing the widget */
state = WEDBS_FIXED;
printStart = 0;
fitStringStart();
screenPointer->setReturn(this);
dirty = true;
}
void W_EDITBOX::run(W_CONTEXT *psContext)
{
/* Note the edit state */
unsigned editState = state & WEDBS_MASK;
/* Only have anything to do if the widget is being edited */
if ((editState & WEDBS_MASK) == WEDBS_FIXED)
{
return;
}
/* If there is a mouse click outside of the edit box - stop editing */
int mx = psContext->mx;
int my = psContext->my;
if (mousePressed(MOUSE_LMB) && (mx < x || mx > x + width || my < y || my > y + height))
{
screenClearFocus(psContext->psScreen);
return;
}
/* note the widget state */
iV_SetFont(FontID);
/* Loop through the characters in the input buffer */
bool done = false;
utf_32_char unicode;
for (unsigned key = inputGetKey(&unicode); key != 0 && !done; key = inputGetKey(&unicode))
{
// Don't blink while typing.
blinkOffset = wzGetTicks();
int len = 0;
/* Deal with all the control keys, assume anything else is a printable character */
switch (key)
{
case INPBUF_LEFT :
/* Move the cursor left */
insPos = MAX(insPos - 1, 0);
/* If the cursor has gone off the left of the edit box,
* need to update the printable text.
*/
if (insPos < printStart)
{
printStart = MAX(printStart - WEDB_CHARJUMP, 0);
fitStringStart();
}
debug(LOG_INPUT, "EditBox cursor left");
break;
case INPBUF_RIGHT :
/* Move the cursor right */
len = aText.length();
insPos = MIN(insPos + 1, len);
/* If the cursor has gone off the right of the edit box,
* need to update the printable text.
*/
if (insPos > printStart + printChars)
{
printStart = MIN(printStart + WEDB_CHARJUMP, len - 1);
fitStringStart();
}
debug(LOG_INPUT, "EditBox cursor right");
break;
case INPBUF_UP :
debug(LOG_INPUT, "EditBox cursor up");
break;
case INPBUF_DOWN :
debug(LOG_INPUT, "EditBox cursor down");
break;
case INPBUF_HOME :
/* Move the cursor to the start of the buffer */
insPos = 0;
printStart = 0;
fitStringStart();
debug(LOG_INPUT, "EditBox cursor home");
break;
case INPBUF_END :
/* Move the cursor to the end of the buffer */
insPos = aText.length();
if (insPos != printStart + printChars)
{
fitStringEnd();
}
debug(LOG_INPUT, "EditBox cursor end");
break;
case INPBUF_INS :
if (editState == WEDBS_INSERT)
{
editState = WEDBS_OVER;
}
else
{
editState = WEDBS_INSERT;
}
debug(LOG_INPUT, "EditBox cursor insert");
break;
case INPBUF_DEL :
delCharRight();
/* Update the printable text */
fitStringStart();
debug(LOG_INPUT, "EditBox cursor delete");
break;
case INPBUF_PGUP :
debug(LOG_INPUT, "EditBox cursor page up");
break;
case INPBUF_PGDN :
debug(LOG_INPUT, "EditBox cursor page down");
break;
case INPBUF_BKSPACE :
/* Delete the character to the left of the cursor */
delCharLeft();
/* Update the printable text */
if (insPos <= printStart)
{
printStart = MAX(printStart - WEDB_CHARJUMP, 0);
}
fitStringStart();
debug(LOG_INPUT, "EditBox cursor backspace");
break;
case INPBUF_TAB :
debug(LOG_INPUT, "EditBox cursor tab");
break;
case INPBUF_CR :
case KEY_KPENTER: // either normal return key || keypad enter
/* Finish editing */
focusLost(psContext->psScreen);
screenClearFocus(psContext->psScreen);
debug(LOG_INPUT, "EditBox cursor return");
return;
break;
case INPBUF_ESC :
debug(LOG_INPUT, "EditBox cursor escape");
break;
default:
if (keyDown(KEY_LCTRL) || keyDown(KEY_RCTRL))
{
switch (key)
{
case KEY_V:
aText = wzGetSelection();
insPos = aText.length();
/* Update the printable text */
fitStringEnd();
debug(LOG_INPUT, "EditBox paste");
break;
default:
break;
}
break;
}
/* Dealt with everything else this must be a printable character */
if (editState == WEDBS_INSERT)
{
insertChar(unicode);
}
else
{
overwriteChar(unicode);
}
len = aText.length();
/* Update the printable chars */
if (insPos == len)
{
fitStringEnd();
}
else
{
fitStringStart();
if (insPos > printStart + printChars)
{
printStart = MIN(printStart + WEDB_CHARJUMP, len - 1);
if (printStart >= len)
{
fitStringStart();
}
}
}
break;
}
}
/* Store the current widget state */
state = (state & ~WEDBS_MASK) | editState;
}
