static void WCEL_Redraw(WCEL_Context* ctx)
{
COORD c = WCEL_GetCoord(ctx, ctx->len);
CHAR_INFO ci;
WCEL_Update(ctx, 0, ctx->len);
ci.Char.UnicodeChar = ' ';
ci.Attributes = ctx->csbi.wAttributes;
CONSOLE_FillLineUniform(ctx->hConOut, c.X, c.Y, ctx->csbi.dwSize.X - c.X, &ci);
}
static void WCEL_DeleteString(WCEL_Context* ctx, int beg, int end)
{
unsigned str_len = end - beg;
if (end < ctx->len)
memmove(&ctx->line[beg], &ctx->line[end], (ctx->len - end) * sizeof(WCHAR));
/* we need to clean from ctx->len - str_len to ctx->len */
if (ctx->shall_echo)
{
COORD cbeg = WCEL_GetCoord(ctx, ctx->len - str_len);
COORD cend = WCEL_GetCoord(ctx, ctx->len);
CHAR_INFO ci;
ci.Char.UnicodeChar = ' ';
ci.Attributes = ctx->csbi.wAttributes;
if (cbeg.Y == cend.Y)
{
/* partial erase of sole line */
CONSOLE_FillLineUniform(ctx->hConOut, cbeg.X, cbeg.Y,
cend.X - cbeg.X, &ci);
}
else
{
int i;
/* erase til eol on first line */
CONSOLE_FillLineUniform(ctx->hConOut, cbeg.X, cbeg.Y,
ctx->csbi.dwSize.X - cbeg.X, &ci);
/* completely erase all the others (full lines) */
for (i = cbeg.Y + 1; i < cend.Y; i++)
CONSOLE_FillLineUniform(ctx->hConOut, 0, i, ctx->csbi.dwSize.X, &ci);
/* erase from beginning of line until last pos on last line */
CONSOLE_FillLineUniform(ctx->hConOut, 0, cend.Y, cend.X, &ci);
}
}
ctx->len -= str_len;
WCEL_Update(ctx, 0, ctx->len);
ctx->line[ctx->len] = 0;
}
