void IZMachineIO.PutTextRectangle(string[] lines)
{
if (lineInputActive)
{
Glk.glk_cancel_line_event(currentWin, out canceledLineEvent);
lineInputActive = false;
}
if (currentWin == lowerWin)
{
foreach (string str in lines)
{
if (unicode)
{
Glk.glk_put_string_uni(str);
}
else
{
Glk.glk_put_string(str);
}
Glk.glk_put_char((byte)'\n');
}
}
else
{
int oxpos = xpos;
foreach (string str in lines)
{
Glk.glk_window_move_cursor(upperWin, (uint)oxpos, (uint)ypos);
if (unicode)
{
Glk.glk_put_string_uni(str);
}
else
{
Glk.glk_put_string(str);
}
ypos++;
if (ypos >= screenHeight)
{
ypos = (int)screenHeight - 1;
}
xpos = oxpos + str.Length;
if (xpos >= screenWidth)
{
xpos = (int)screenWidth - 1;
}
}
}
}
void IZMachineIO.EraseLine()
{
if (currentWin == upperWin)
{
uint width, height;
Glk.glk_window_get_size(upperWin, out width, out height);
for (int i = xpos; i < width; i++)
{
Glk.glk_put_char((byte)' ');
}
Glk.glk_window_move_cursor(upperWin, (uint)xpos, (uint)ypos);
}
}
void IZMachineIO.PutChar(char ch)
{
if (lineInputActive)
{
Glk.glk_cancel_line_event(currentWin, out canceledLineEvent);
lineInputActive = false;
// glk_cancel_line_event prints a newline
if (ch == '\n')
{
return;
}
}
if (unicode)
{
Glk.glk_put_char_uni((uint)ch);
}
else
{
byte b;
encodingChar[0] = ch;
int result = Encoding.GetEncoding(Glk.LATIN1).GetBytes(encodingChar, 0, 1, encodedBytes, 0);
if (result != 1)
{
b = (byte)'?';
}
else
{
b = encodedBytes[0];
}
Glk.glk_put_char(b);
}
if (currentWin == upperWin)
{
xpos++;
uint width, height;
Glk.glk_window_get_size(upperWin, out width, out height);
if (xpos >= width)
{
xpos = 0;
ypos++;
if (ypos >= height)
{
ypos = (int)height - 1;
}
}
}
}