/**
* @see <a href="XOpenDisplay.html">XOpenDisplay</a>
*/
public Display(String hostname, int display_no, int screen_no)
{
default_screen_no = screen_no;
connection = new Connection(this, hostname, display_no);
// authorization protocol
String auth_name = "";
String auth_data = "";
int n = Data.len(auth_name);
int d = Data.len(auth_data);
Request request = new Request(this, 'B', // java = MSB
3 + Data.unit(auth_name) + Data.unit(auth_data));
request.index = 2; // connection setup request hack
request.write2(11); // major version
request.write2(0); // minor version
request.write2(auth_name.Length);
request.write2(auth_data.Length);
request.write1(auth_name);
request.write1(auth_data);
init_server_info(read_reply(request));
init_defaults();
init_big_request_extension();
}
public void init_server_info(Data reply)
{
connected = true;
release_no = reply.read4(8);
resource_base = reply.read4(12);
resource_mask = reply.read4(16);
int vendor_length = reply.read2(24);
extended_maximum_request_length
= maximum_request_length = reply.read2(26);
int screen_count = reply.read1(28);
int pixmap_format_count = reply.read1(29);
image_byte_order = reply.read1(30);
bitmap_format_bit_order = reply.read1(31);
bitmap_format_scanline_unit = reply.read1(32);
bitmap_format_scanline_pad = reply.read1(33);
int min_keycode = reply.read1(34);
int max_keycode = reply.read1(35);
input = new Input(this, min_keycode, max_keycode);
input.keyboard_mapping();
vendor = reply.read_string(40, vendor_length);
// pixmap formats
pixmap_formats = new Pixmap.Format [pixmap_format_count];
int pixmap_formats_offset = 40 + Data.len(vendor_length);
for (int i = 0; i < pixmap_format_count; i++)
{
pixmap_formats [i] = new Pixmap.Format(
reply, pixmap_formats_offset + i * 8);
}
// screens
if (default_screen_no < 0 || default_screen_no >= screen_count)
{
throw new Exception("Invalid screen number (screen-count "
+ screen_count + "): " + default_screen_no);
}
screens = new Screen [screen_count];
int screen_offset = pixmap_formats_offset + 8 * pixmap_format_count;
for (int i = 0; i < screen_count; i++)
{
screens [i] = new Screen(this, reply, screen_offset);
screen_offset += screens [i].Length;
}
}
public void write2(String s)
{
write2(index, s);
index += Data.len(s);
}