/* Delete a widget from the screen */
void widgDelete(W_SCREEN *psScreen, UDWORD id)
{
W_CONTEXT sContext;
ASSERT( psScreen != NULL,
"widgDelete: Invalid screen pointer" );
/* Clear the keyboard focus if necessary */
if ((psScreen->psFocus != NULL) && (psScreen->psFocus->id == id))
{
screenClearFocus(psScreen);
}
// NOTE: This is where it would crash because of a dangling pointer. See CheckpsMouseOverWidget() for info.
// the mouse can't be over it anymore
if (psMouseOverWidget && psMouseOverWidget->id == id)
{
psMouseOverWidget = NULL;
}
/* Set up the initial context */
sContext.psScreen = psScreen;
sContext.psForm = (W_FORM *)psScreen->psForm;
sContext.xOffset = 0;
sContext.yOffset = 0;
sContext.mx = mouseX();
sContext.my = mouseY();
(void)widgDeleteFromForm((W_FORM *)psScreen->psForm, id, &sContext);
}
/* Set the text in a widget */
void widgSetString(W_SCREEN *psScreen, UDWORD id, const char *pText)
{
WIDGET *psWidget;
ASSERT( psScreen != NULL,
"widgSetString: Invalid screen pointer" );
/* Get the widget */
psWidget = widgGetFromID(psScreen, id);
if (psWidget == NULL)
{
debug(LOG_ERROR, "widgSetString: couldn't get widget from id");
return;
}
switch (psWidget->type)
{
case WIDG_FORM:
ASSERT( false, "widgSetString: forms do not have a string" );
break;
case WIDG_LABEL:
sstrcpy(((W_LABEL *)psWidget)->aText, pText);
break;
case WIDG_BUTTON:
((W_BUTTON *)psWidget)->pText = pText;
break;
case WIDG_EDITBOX:
if (psScreen->psFocus == psWidget)
{
screenClearFocus(psScreen);
}
((W_EDITBOX *)psWidget)->setString(pText);
break;
case WIDG_BARGRAPH:
ASSERT( !"wrong widget type", "widgGetString: Bar graphs do not have a string" );
break;
case WIDG_SLIDER:
ASSERT( !"wrong widget type", "widgGetString: Sliders do not have a string" );
break;
default:
ASSERT(!"Unknown widget type", "Unknown widget type");
break;
}
}
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;
}
