use crate::base::{self, BaseError, BaseEvent, GeEvent, Raw, Reply, WiredIn, WiredOut, Xid};
use crate::ext;
use crate::ffi::base::*;
use crate::ffi::ext::*;
use crate::lat1_str::{Lat1Str, Lat1String, Lat1StrF};
use crate::xproto;
use crate::xfixes;
use crate::render;
use crate::shape;
use crate::xproto::PropEl;
use bitflags::bitflags;
use libc::{self, iovec};
use std::convert::TryInto;
use std::hash::{Hash, Hasher};
use std::os::unix::io::RawFd;
pub const XNAME: &str = "Composite";
pub const MAJOR_VERSION: u32 = 0;
pub const MINOR_VERSION: u32 = 4;
pub const VERSION_STRING: &str = "0.4";
pub(crate) static mut FFI_EXT: xcb_extension_t = xcb_extension_t {
name: "Composite\0".as_ptr() as *const _,
global_id: 0,
};
pub fn prefetch_extension_data(conn: &base::Connection) {
unsafe {
xcb_prefetch_extension_data(conn.get_raw_conn(), &mut FFI_EXT as *mut _);
}
}
pub fn get_extension_data(conn: &base::Connection) -> std::option::Option<ext::ExtensionData> {
unsafe {
let reply = xcb_get_extension_data(conn.get_raw_conn(), &mut FFI_EXT as *mut _);
assert!(!reply.is_null(), "Could not fetch Composite extension data");
let reply = xproto::QueryExtensionReply::from_raw(reply);
if !reply.present() {
std::mem::forget(reply);
return None;
}
let res = ext::ExtensionData{
ext: ext::Extension::Composite,
major_opcode: reply.major_opcode(),
first_event: reply.first_event(),
first_error: reply.first_error(),
};
std::mem::forget(reply);
Some(res)
}
}
#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
#[repr(u32)]
pub enum Redirect {
Automatic = 0,
Manual = 1,
}
pub(crate) fn request_name(opcode: u16) -> std::option::Option<&'static str> {
match opcode {
0 => Some("composite::QueryVersion"),
1 => Some("composite::RedirectWindow"),
2 => Some("composite::RedirectSubwindows"),
3 => Some("composite::UnredirectWindow"),
4 => Some("composite::UnredirectSubwindows"),
5 => Some("composite::CreateRegionFromBorderClip"),
6 => Some("composite::NameWindowPixmap"),
7 => Some("composite::GetOverlayWindow"),
8 => Some("composite::ReleaseOverlayWindow"),
_ => None,
}
}
pub struct QueryVersionReply {
raw: *const u8,
}
impl QueryVersionReply {
fn wire_ptr(&self) -> *const u8 {
self.raw
}
fn wire_len(&self) -> usize {
(32 + self.length() * 4) as _
}
pub fn response_type(&self) -> u8 {
unsafe {
let offset = 0usize;
let ptr = self.wire_ptr().add(offset) as *const u8;
base::value_from_ptr(ptr)
}
}
pub fn sequence(&self) -> u16 {
unsafe {
let offset = 2usize;
let ptr = self.wire_ptr().add(offset) as *const u16;
base::value_from_ptr(ptr)
}
}
pub fn length(&self) -> u32 {
unsafe {
let offset = 4usize;
let ptr = self.wire_ptr().add(offset) as *const u32;
base::value_from_ptr(ptr)
}
}
pub fn major_version(&self) -> u32 {
unsafe {
let offset = 8usize;
let ptr = self.wire_ptr().add(offset) as *const u32;
base::value_from_ptr(ptr)
}
}
pub fn minor_version(&self) -> u32 {
unsafe {
let offset = 12usize;
let ptr = self.wire_ptr().add(offset) as *const u32;
base::value_from_ptr(ptr)
}
}
}
impl base::Reply for QueryVersionReply {
unsafe fn from_raw(raw: *const u8) -> Self {
Self { raw }
}
unsafe fn into_raw(self) -> *const u8 {
let raw = self.raw;
std::mem::forget(self);
raw
}
}
impl std::fmt::Debug for QueryVersionReply {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("QueryVersionReply")
.field("response_type", &self.response_type())
.field("pad", &1)
.field("sequence", &self.sequence())
.field("length", &self.length())
.field("major_version", &self.major_version())
.field("minor_version", &self.minor_version())
.field("pad", &16)
.finish()
}
}
impl Drop for QueryVersionReply {
fn drop(&mut self) {
unsafe { libc::free(self.raw as *mut _); }
}
}
unsafe impl std::marker::Send for QueryVersionReply {}
unsafe impl std::marker::Sync for QueryVersionReply {}
#[derive(Debug)]
pub struct QueryVersionCookie {
seq: u64,
}
#[derive(Debug)]
pub struct QueryVersionCookieUnchecked {
seq: u64,
}
impl base::Cookie for QueryVersionCookie {
unsafe fn from_sequence(seq: u64) -> Self {
QueryVersionCookie { seq }
}
fn sequence(&self) -> u64 {
self.seq
}
}
unsafe impl base::CookieChecked for QueryVersionCookie {
}
unsafe impl base::CookieWithReplyChecked for QueryVersionCookie {
type Reply = QueryVersionReply;
}
impl base::Cookie for QueryVersionCookieUnchecked {
unsafe fn from_sequence(seq: u64) -> Self {
QueryVersionCookieUnchecked { seq }
}
fn sequence(&self) -> u64 {
self.seq
}
}
unsafe impl base::CookieWithReplyUnchecked for QueryVersionCookieUnchecked {
type Reply = QueryVersionReply;
}
#[derive(Clone, Debug)]
pub struct QueryVersion {
pub client_major_version: u32,
pub client_minor_version: u32,
}
unsafe impl base::RawRequest for QueryVersion {
fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
let mut protocol_request = xcb_protocol_request_t {
count: 2,
ext: (&mut FFI_EXT) as *mut _,
opcode: 0,
isvoid: 0,
};
let mut sections: [iovec; 4] = [iovec {
iov_base: std::ptr::null_mut(),
iov_len: 0,
}; 4];
let buf0: &mut [u8] = &mut [0; 12];
self.client_major_version.serialize(&mut buf0[4 .. ]);
self.client_minor_version.serialize(&mut buf0[8 .. ]);
sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
sections[2].iov_len = 12;
sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);
let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };
xcb_send_request64(
c.get_raw_conn(),
flags.bits() as _,
sections.as_mut_ptr().add(2),
&mut protocol_request as *mut _,
)
}
}}
impl base::Request for QueryVersion {
type Cookie = QueryVersionCookie;
const IS_VOID: bool = false;
}
impl base::RequestWithReply for QueryVersion {
type Reply = QueryVersionReply;
type Cookie = QueryVersionCookie;
type CookieUnchecked = QueryVersionCookieUnchecked;
}
#[derive(Clone, Debug)]
pub struct RedirectWindow {
pub window: xproto::Window,
pub update: Redirect,
}
unsafe impl base::RawRequest for RedirectWindow {
fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
let mut protocol_request = xcb_protocol_request_t {
count: 2,
ext: (&mut FFI_EXT) as *mut _,
opcode: 1,
isvoid: 1,
};
let mut sections: [iovec; 4] = [iovec {
iov_base: std::ptr::null_mut(),
iov_len: 0,
}; 4];
let buf0: &mut [u8] = &mut [0; 12];
self.window.serialize(&mut buf0[4 .. ]);
(std::mem::transmute::<_, u32>(self.update) as u8).serialize(&mut buf0[8 .. ]);
sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
sections[2].iov_len = 12;
sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);
let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };
xcb_send_request64(
c.get_raw_conn(),
flags.bits() as _,
sections.as_mut_ptr().add(2),
&mut protocol_request as *mut _,
)
}
}}
impl base::Request for RedirectWindow {
type Cookie = base::VoidCookie;
const IS_VOID: bool = true;
}
impl base::RequestWithoutReply for RedirectWindow {
}
#[derive(Clone, Debug)]
pub struct RedirectSubwindows {
pub window: xproto::Window,
pub update: Redirect,
}
unsafe impl base::RawRequest for RedirectSubwindows {
fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
let mut protocol_request = xcb_protocol_request_t {
count: 2,
ext: (&mut FFI_EXT) as *mut _,
opcode: 2,
isvoid: 1,
};
let mut sections: [iovec; 4] = [iovec {
iov_base: std::ptr::null_mut(),
iov_len: 0,
}; 4];
let buf0: &mut [u8] = &mut [0; 12];
self.window.serialize(&mut buf0[4 .. ]);
(std::mem::transmute::<_, u32>(self.update) as u8).serialize(&mut buf0[8 .. ]);
sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
sections[2].iov_len = 12;
sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);
let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };
xcb_send_request64(
c.get_raw_conn(),
flags.bits() as _,
sections.as_mut_ptr().add(2),
&mut protocol_request as *mut _,
)
}
}}
impl base::Request for RedirectSubwindows {
type Cookie = base::VoidCookie;
const IS_VOID: bool = true;
}
impl base::RequestWithoutReply for RedirectSubwindows {
}
#[derive(Clone, Debug)]
pub struct UnredirectWindow {
pub window: xproto::Window,
pub update: Redirect,
}
unsafe impl base::RawRequest for UnredirectWindow {
fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
let mut protocol_request = xcb_protocol_request_t {
count: 2,
ext: (&mut FFI_EXT) as *mut _,
opcode: 3,
isvoid: 1,
};
let mut sections: [iovec; 4] = [iovec {
iov_base: std::ptr::null_mut(),
iov_len: 0,
}; 4];
let buf0: &mut [u8] = &mut [0; 12];
self.window.serialize(&mut buf0[4 .. ]);
(std::mem::transmute::<_, u32>(self.update) as u8).serialize(&mut buf0[8 .. ]);
sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
sections[2].iov_len = 12;
sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);
let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };
xcb_send_request64(
c.get_raw_conn(),
flags.bits() as _,
sections.as_mut_ptr().add(2),
&mut protocol_request as *mut _,
)
}
}}
impl base::Request for UnredirectWindow {
type Cookie = base::VoidCookie;
const IS_VOID: bool = true;
}
impl base::RequestWithoutReply for UnredirectWindow {
}
#[derive(Clone, Debug)]
pub struct UnredirectSubwindows {
pub window: xproto::Window,
pub update: Redirect,
}
unsafe impl base::RawRequest for UnredirectSubwindows {
fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
let mut protocol_request = xcb_protocol_request_t {
count: 2,
ext: (&mut FFI_EXT) as *mut _,
opcode: 4,
isvoid: 1,
};
let mut sections: [iovec; 4] = [iovec {
iov_base: std::ptr::null_mut(),
iov_len: 0,
}; 4];
let buf0: &mut [u8] = &mut [0; 12];
self.window.serialize(&mut buf0[4 .. ]);
(std::mem::transmute::<_, u32>(self.update) as u8).serialize(&mut buf0[8 .. ]);
sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
sections[2].iov_len = 12;
sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);
let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };
xcb_send_request64(
c.get_raw_conn(),
flags.bits() as _,
sections.as_mut_ptr().add(2),
&mut protocol_request as *mut _,
)
}
}}
impl base::Request for UnredirectSubwindows {
type Cookie = base::VoidCookie;
const IS_VOID: bool = true;
}
impl base::RequestWithoutReply for UnredirectSubwindows {
}
#[derive(Clone, Debug)]
pub struct CreateRegionFromBorderClip {
pub region: xfixes::Region,
pub window: xproto::Window,
}
unsafe impl base::RawRequest for CreateRegionFromBorderClip {
fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
let mut protocol_request = xcb_protocol_request_t {
count: 2,
ext: (&mut FFI_EXT) as *mut _,
opcode: 5,
isvoid: 1,
};
let mut sections: [iovec; 4] = [iovec {
iov_base: std::ptr::null_mut(),
iov_len: 0,
}; 4];
let buf0: &mut [u8] = &mut [0; 12];
self.region.serialize(&mut buf0[4 .. ]);
self.window.serialize(&mut buf0[8 .. ]);
sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
sections[2].iov_len = 12;
sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);
let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };
xcb_send_request64(
c.get_raw_conn(),
flags.bits() as _,
sections.as_mut_ptr().add(2),
&mut protocol_request as *mut _,
)
}
}}
impl base::Request for CreateRegionFromBorderClip {
type Cookie = base::VoidCookie;
const IS_VOID: bool = true;
}
impl base::RequestWithoutReply for CreateRegionFromBorderClip {
}
#[derive(Clone, Debug)]
pub struct NameWindowPixmap {
pub window: xproto::Window,
pub pixmap: xproto::Pixmap,
}
unsafe impl base::RawRequest for NameWindowPixmap {
fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
let mut protocol_request = xcb_protocol_request_t {
count: 2,
ext: (&mut FFI_EXT) as *mut _,
opcode: 6,
isvoid: 1,
};
let mut sections: [iovec; 4] = [iovec {
iov_base: std::ptr::null_mut(),
iov_len: 0,
}; 4];
let buf0: &mut [u8] = &mut [0; 12];
self.window.serialize(&mut buf0[4 .. ]);
self.pixmap.serialize(&mut buf0[8 .. ]);
sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
sections[2].iov_len = 12;
sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);
let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };
xcb_send_request64(
c.get_raw_conn(),
flags.bits() as _,
sections.as_mut_ptr().add(2),
&mut protocol_request as *mut _,
)
}
}}
impl base::Request for NameWindowPixmap {
type Cookie = base::VoidCookie;
const IS_VOID: bool = true;
}
impl base::RequestWithoutReply for NameWindowPixmap {
}
pub struct GetOverlayWindowReply {
raw: *const u8,
}
impl GetOverlayWindowReply {
fn wire_ptr(&self) -> *const u8 {
self.raw
}
fn wire_len(&self) -> usize {
(32 + self.length() * 4) as _
}
pub fn response_type(&self) -> u8 {
unsafe {
let offset = 0usize;
let ptr = self.wire_ptr().add(offset) as *const u8;
base::value_from_ptr(ptr)
}
}
pub fn sequence(&self) -> u16 {
unsafe {
let offset = 2usize;
let ptr = self.wire_ptr().add(offset) as *const u16;
base::value_from_ptr(ptr)
}
}
pub fn length(&self) -> u32 {
unsafe {
let offset = 4usize;
let ptr = self.wire_ptr().add(offset) as *const u32;
base::value_from_ptr(ptr)
}
}
pub fn overlay_win(&self) -> xproto::Window {
unsafe {
let offset = 8usize;
let ptr = self.wire_ptr().add(offset) as *const xproto::Window;
base::value_from_ptr(ptr)
}
}
}
impl base::Reply for GetOverlayWindowReply {
unsafe fn from_raw(raw: *const u8) -> Self {
Self { raw }
}
unsafe fn into_raw(self) -> *const u8 {
let raw = self.raw;
std::mem::forget(self);
raw
}
}
impl std::fmt::Debug for GetOverlayWindowReply {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("GetOverlayWindowReply")
.field("response_type", &self.response_type())
.field("pad", &1)
.field("sequence", &self.sequence())
.field("length", &self.length())
.field("overlay_win", &self.overlay_win())
.field("pad", &20)
.finish()
}
}
impl Drop for GetOverlayWindowReply {
fn drop(&mut self) {
unsafe { libc::free(self.raw as *mut _); }
}
}
unsafe impl std::marker::Send for GetOverlayWindowReply {}
unsafe impl std::marker::Sync for GetOverlayWindowReply {}
#[derive(Debug)]
pub struct GetOverlayWindowCookie {
seq: u64,
}
#[derive(Debug)]
pub struct GetOverlayWindowCookieUnchecked {
seq: u64,
}
impl base::Cookie for GetOverlayWindowCookie {
unsafe fn from_sequence(seq: u64) -> Self {
GetOverlayWindowCookie { seq }
}
fn sequence(&self) -> u64 {
self.seq
}
}
unsafe impl base::CookieChecked for GetOverlayWindowCookie {
}
unsafe impl base::CookieWithReplyChecked for GetOverlayWindowCookie {
type Reply = GetOverlayWindowReply;
}
impl base::Cookie for GetOverlayWindowCookieUnchecked {
unsafe fn from_sequence(seq: u64) -> Self {
GetOverlayWindowCookieUnchecked { seq }
}
fn sequence(&self) -> u64 {
self.seq
}
}
unsafe impl base::CookieWithReplyUnchecked for GetOverlayWindowCookieUnchecked {
type Reply = GetOverlayWindowReply;
}
#[derive(Clone, Debug)]
pub struct GetOverlayWindow {
pub window: xproto::Window,
}
unsafe impl base::RawRequest for GetOverlayWindow {
fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
let mut protocol_request = xcb_protocol_request_t {
count: 2,
ext: (&mut FFI_EXT) as *mut _,
opcode: 7,
isvoid: 0,
};
let mut sections: [iovec; 4] = [iovec {
iov_base: std::ptr::null_mut(),
iov_len: 0,
}; 4];
let buf0: &mut [u8] = &mut [0; 8];
self.window.serialize(&mut buf0[4 .. ]);
sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
sections[2].iov_len = 8;
sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);
let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };
xcb_send_request64(
c.get_raw_conn(),
flags.bits() as _,
sections.as_mut_ptr().add(2),
&mut protocol_request as *mut _,
)
}
}}
impl base::Request for GetOverlayWindow {
type Cookie = GetOverlayWindowCookie;
const IS_VOID: bool = false;
}
impl base::RequestWithReply for GetOverlayWindow {
type Reply = GetOverlayWindowReply;
type Cookie = GetOverlayWindowCookie;
type CookieUnchecked = GetOverlayWindowCookieUnchecked;
}
#[derive(Clone, Debug)]
pub struct ReleaseOverlayWindow {
pub window: xproto::Window,
}
unsafe impl base::RawRequest for ReleaseOverlayWindow {
fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
let mut protocol_request = xcb_protocol_request_t {
count: 2,
ext: (&mut FFI_EXT) as *mut _,
opcode: 8,
isvoid: 1,
};
let mut sections: [iovec; 4] = [iovec {
iov_base: std::ptr::null_mut(),
iov_len: 0,
}; 4];
let buf0: &mut [u8] = &mut [0; 8];
self.window.serialize(&mut buf0[4 .. ]);
sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
sections[2].iov_len = 8;
sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);
let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };
xcb_send_request64(
c.get_raw_conn(),
flags.bits() as _,
sections.as_mut_ptr().add(2),
&mut protocol_request as *mut _,
)
}
}}
impl base::Request for ReleaseOverlayWindow {
type Cookie = base::VoidCookie;
const IS_VOID: bool = true;
}
impl base::RequestWithoutReply for ReleaseOverlayWindow {
}