Class: VTerm::Screen

Inherits:
Object
  • Object
show all
Defined in:
ext/vterm/vterm.c

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Object 



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# File 'ext/vterm/vterm.c', line 116

static VALUE
rb_vterm_screen_initialize(VALUE self)
{
    vterm_screen_data_t *vt_screen_data;

    vt_screen_data = malloc(sizeof(vterm_screen_data_t));
    DATA_PTR(self) = vt_screen_data;

    return Qnil;
}

Instance Method Details

#cell_at(row, col) ⇒ Object 



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# File 'ext/vterm/vterm.c', line 279

static VALUE
rb_vterm_screen_cell_at(VALUE self, VALUE row, VALUE col)
{
    vterm_screen_data_t *vt_screen_data;
    VTermPos pos;
    VTermScreenCell cell;
    int result;
    VALUE rb_cell;
    VALUE rb_attrs;
    VALUE chars;
    VALUE fg;
    VALUE bg;

    vt_screen_data = (vterm_screen_data_t*)DATA_PTR(self);

    pos.row = NUM2INT(row);
    pos.col = NUM2INT(col);
    result = vterm_screen_get_cell(vt_screen_data->vtscreen, pos, &cell);
    if (result == 0) {
        rb_raise(rb_eRuntimeError, "#cell_at error");
        return Qnil;
    }
    rb_attrs = rb_struct_new(
        sVTermScreenCellAttrs,
        INT2NUM(cell.attrs.bold),
        INT2NUM(cell.attrs.underline),
        INT2NUM(cell.attrs.italic),
        INT2NUM(cell.attrs.blink),
        INT2NUM(cell.attrs.reverse),
        INT2NUM(cell.attrs.strike),
        INT2NUM(cell.attrs.font),
        INT2NUM(cell.attrs.dwl),
        INT2NUM(cell.attrs.dhl),
        0
    );
    fg = generate_color_object(cell.fg);
    bg = generate_color_object(cell.bg);
    chars = rb_external_str_new_cstr("");
    for (int i = 0; i < cell.width; i++) {
        if (cell.chars[i] == 0xFFFFFFFF) {
            // The previous sell has full-width character
            chars = Qnil;
            break;
        } else if (cell.chars[i] == 0x00000000) {
            // NULL termination
            break;
        } else {
            rb_str_concat(chars, INT2NUM(cell.chars[i]));
        }
    }
    rb_cell = rb_struct_new(
        sVTermScreenCell,
        chars,
        rb_attrs,
        fg,
        bg,
        0
    );

    return rb_cell;
}

#flush ⇒ Object 



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# File 'ext/vterm/vterm.c', line 235

static VALUE
rb_vterm_screen_flush(VALUE self)
{
    vterm_screen_data_t *vt_screen_data;

    vt_screen_data = (vterm_screen_data_t*)DATA_PTR(self);
    vterm_screen_flush_damage(vt_screen_data->vtscreen);

    return Qnil;
}

#reset(hard) ⇒ Object 



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# File 'ext/vterm/vterm.c', line 220

static VALUE
rb_vterm_screen_reset(VALUE self, VALUE hard)
{
    vterm_screen_data_t *vt_screen_data;

    vt_screen_data = (vterm_screen_data_t*)DATA_PTR(self);
    if (rb_equal(hard, Qfalse) || rb_equal(hard, Qnil)) {
        vterm_screen_reset(vt_screen_data->vtscreen, 0);
    } else {
        vterm_screen_reset(vt_screen_data->vtscreen, 1);
    }

    return Qnil;
}