static void USL_XORICursor(uint16_t x, uint16_t y, char *s, uint16_t cursor)
{
//static bool status; // VGA doesn't XOR...
static char cursorStr[2] = {0x80, 0};
char buf[128];
uint16_t w, h;
strcpy(buf, s);
buf[cursor] = '\0';
VH_MeasurePropString(buf, &w, &h, us_printFont);
// TODO: More changes to do here?
US_SetPrintX(x + w - 1);
US_SetPrintY(y);
VH_DrawPropString(cursorStr, US_GetPrintX(), US_GetPrintY(), US_GetPrintFont(), US_GetPrintColour());
#if 0
if (status^=true)
VH_DrawPropString("\x80", US_GetPrintX(), US_GetPrintY(), US_GetPrintFont(), US_GetPrintColour());
else
{
temp = us_printColour;
us_printColour = us_backColour;
VH_DrawPropString("\x80", US_GetPrintX(), US_GetPrintY(), US_GetPrintFont(), US_GetPrintColour());
us_printColour = temp;
}
#endif
}
/*
* Measure the containing box size of a string that spans multiple lines
*/
void CK_MeasureMultiline(const char *str, uint16_t *w, uint16_t *h)
{
char c;
uint16_t x, y;
char buf[80] = {0};
char *p;
*h = *w = (uint16_t) 0;
p = buf; /* must be a local buffer */
while ( (c = *str++) != 0 )
{
*p++ = c;
if ( c == '\n' || *str == 0 )
{
VH_MeasurePropString( buf, &x, &y, US_GetPrintFont() );
*h += y;
if ( *w < x )
*w = x;
p = (char *) buf;
// Shouldn't buf be cleared so that a newline is not read over by
// VH_MeasurePropString?
}
}
}
bool US_LineInput(uint16_t x, uint16_t y, char *buf, char *def, bool escok, uint16_t maxchars, uint16_t maxwidth)
{
bool redraw,
cursorvis, cursormoved,
done, result;
IN_ScanCode sc;
char c,
s[128], olds[128];
uint16_t i,
cursor,
w, h,
len/*, temp*/;
uint32_t lasttime;
if (def)
strcpy(s, def);
else
*s = '\0';
*olds = '\0';
cursor = strlen(s);
cursormoved = redraw = true;
cursorvis = done = false;
lasttime = SD_GetTimeCount();
IN_SetLastASCII(IN_KP_None);
IN_SetLastScan(IN_SC_None);
while (!done)
{
// TODO/FIXME: Handle this in a possibly better way
// (no busy loop, updating gfx if required, etc..)
IN_PumpEvents();
//CK_SetTicsPerFrame();
if (cursorvis)
USL_XORICursor(x, y, s, cursor);
sc = IN_GetLastScan();
IN_SetLastScan(IN_SC_None);
c = IN_GetLastASCII();
IN_SetLastASCII(IN_KP_None);
switch (sc)
{
case IN_SC_LeftArrow:
if (cursor)
cursor--;
c = 0;
cursormoved = true;
break;
case IN_SC_RightArrow:
if (s[cursor])
cursor++;
c = 0;
cursormoved = true;
break;
case IN_SC_Home:
cursor = 0;
c = 0;
cursormoved = true;
break;
case IN_SC_End:
cursor = strlen(s);
c = 0;
cursormoved = true;
break;
case IN_SC_Enter:
strcpy(buf, s);
done = true;
result = true;
c = 0;
break;
case IN_SC_Escape:
if (escok)
{
done = true;
result = false;
}
c = 0;
break;
case IN_SC_Backspace:
if (cursor)
{
strcpy(s + cursor - 1, s + cursor);
cursor--;
redraw = true;
}
c = 0;
cursormoved = true;
break;
case IN_SC_Delete:
if (s[cursor])
{
strcpy(s + cursor, s + cursor + 1);
redraw = true;
}
c = 0;
cursormoved = true;
break;
case 0x4c: // Keypad 5
case IN_SC_UpArrow:
case IN_SC_DownArrow:
case IN_SC_PgUp:
case IN_SC_PgDown:
case IN_SC_Insert:
c = 0;
break;
}
if (c)
{
len = strlen(s);
VH_MeasurePropString(s, &w, &h, US_GetPrintFont());
if
(
isprint(c)
&& (len < 128 - 1)
&& ((!maxchars) || (len < maxchars))
&& ((!maxwidth) || (w < maxwidth))
)
{
for (i = len + 1; i > cursor; i--)
s[i] = s[i - 1];
s[cursor++] = c;
redraw = true;
}
}
if (redraw)
{
/*
px = x;
py = y;
*/
//temp = us_printColour;
//us_printColour = us_backColour;
VH_DrawPropString(olds, x, y, us_printFont, us_printColour);
//us_printColour = temp;
strcpy(olds, s);
/*
px = x;
py = y;
*/
VH_DrawPropString(s, x, y, us_printFont, us_printColour);
redraw = false;
}
if (cursormoved)
{
cursorvis = false;
lasttime = SD_GetTimeCount() - 70 /*TimeCount - TickBase*/;
cursormoved = false;
}
if (SD_GetTimeCount()-lasttime > 35 /*TimeCount - lasttime > TickBase / 2*/)
{
lasttime = SD_GetTimeCount();//TimeCount;
cursorvis ^= true;
}
if (cursorvis)
USL_XORICursor(x, y, s, cursor);
//VW_UpdateScreen();
VL_Present();
}
if (cursorvis)
USL_XORICursor(x, y, s, cursor);
if (!result)
{
/*
px = x;
py = y;
*/
VH_DrawPropString(olds, x, y, us_printFont, us_printColour);
}
//VW_UpdateScreen();
VL_Present();
IN_ClearKeysDown();
return (result);
}
