Files
kutu/src/xcb/window.ml
T
2026-11-11 17:10:01 +00:00

239 lines
7.0 KiB
OCaml

open Ctypes
open Foreign
let _xcb_change_window_attributes_checked =
foreign "xcb_change_window_attributes_checked"
(ptr Types.Connection.typ @-> Types.Window.typ @-> uint32_t @-> ptr uint32_t
@-> returning Types.Cookie.Void.typ)
let event_mask =
(1 lsl 4) lor (1 lsl 17) lor (1 lsl 19) lor (1 lsl 20) lor (1 lsl 22)
let values = CArray.of_list uint32_t [ Unsigned.UInt32.of_int event_mask ]
let setup conn root =
let cookie =
_xcb_change_window_attributes_checked conn root
(Unsigned.UInt32.of_int 2048)
(CArray.start values)
in
Error.check conn cookie
let window_event_mask = 1 lsl 4
let substructure_mask = 1 lsl 19
let values_window =
CArray.of_list uint32_t
[
Unsigned.UInt32.of_int window_event_mask;
Unsigned.UInt32.of_int substructure_mask;
]
let setup_window conn window =
let cookie =
_xcb_change_window_attributes_checked conn window
(Unsigned.UInt32.of_int 2048)
(CArray.start values_window)
in
Error.check conn cookie
let _xcb_configure_window =
foreign "xcb_configure_window"
(ptr Types.Connection.typ @-> Types.Window.typ @-> uint16_t @-> ptr uint32_t
@-> returning Types.Cookie.Void.typ)
let reshape conn window (rect : Decl.Types.rect) =
let mask = (1 lsl 0) lor (1 lsl 1) lor (1 lsl 2) lor (1 lsl 3) in
let values =
CArray.of_list uint32_t
[
Unsigned.UInt32.of_int rect.rect_x;
Unsigned.UInt32.of_int rect.rect_y;
Unsigned.UInt32.of_int rect.rect_width;
Unsigned.UInt32.of_int rect.rect_height;
]
in
let cookie =
_xcb_configure_window conn window
(Unsigned.UInt16.of_int mask)
(CArray.start values)
in
Error.check conn cookie
let set_stack_mode conn window mode =
let mask = 1 lsl 6 in
let values = CArray.of_list uint32_t [ Unsigned.UInt32.of_int mode ] in
let cookie =
_xcb_configure_window conn window
(Unsigned.UInt16.of_int mask)
(CArray.start values)
in
Error.check conn cookie
let move_to_top conn window = set_stack_mode conn window 0
let move_to_bottom conn window = set_stack_mode conn window 1
let _xcb_grab_key =
foreign "xcb_grab_key"
(ptr Types.Connection.typ @-> uint8_t @-> Types.Window.typ @-> uint16_t
@-> uint8_t @-> uint8_t @-> uint8_t
@-> returning Types.Cookie.Void.typ)
let keybind conn window key modifier =
let cookie =
_xcb_grab_key conn (Unsigned.UInt8.of_int 0) window
(Unsigned.UInt16.of_int modifier)
(Unsigned.UInt8.of_int key)
(Unsigned.UInt8.of_int 1) (Unsigned.UInt8.of_int 1)
in
Error.check conn cookie
let _xcb_ungrab_key =
foreign "xcb_ungrab_key"
(ptr Types.Connection.typ @-> uint8_t @-> Types.Window.typ @-> uint16_t
@-> returning Types.Cookie.Void.typ)
let keyunbind conn window key modifier =
let cookie =
_xcb_ungrab_key conn
(Unsigned.UInt8.of_int key)
window
(Unsigned.UInt16.of_int modifier)
in
Error.check conn cookie
let _xcb_map_window =
foreign "xcb_map_window"
(ptr Types.Connection.typ @-> Types.Window.typ
@-> returning Types.Cookie.Void.typ)
let map conn window =
let cookie = _xcb_map_window conn window in
Error.check conn cookie
let _xcb_unmap_window =
foreign "xcb_unmap_window"
(ptr Types.Connection.typ @-> Types.Window.typ
@-> returning Types.Cookie.Void.typ)
let unmap conn window =
let cookie = _xcb_unmap_window conn window in
Error.check conn cookie
let _xcb_set_input_focus =
foreign "xcb_set_input_focus"
(ptr Types.Connection.typ @-> uint8_t @-> Types.Window.typ @-> uint32_t
@-> returning Types.Cookie.Void.typ)
let focus conn window =
let cookie =
_xcb_set_input_focus conn (Unsigned.UInt8.of_int 0) window
(Unsigned.UInt32.of_int 0)
in
Error.check conn cookie
let _xcb_wm_n_hints =
foreign "kutu_wm_n_hints"
(ptr Types.Connection.typ @-> Types.Window.typ
@-> returning Types.Size_hints.typ)
let has_flag flags flag =
Unsigned.UInt32.logand flags (Unsigned.UInt32.of_int flag)
<> Unsigned.UInt32.zero
let p_size = 1 lsl 3
let p_min_size = 1 lsl 4
let p_max_size = 1 lsl 5
let p_resize_inc = 1 lsl 6
let p_aspect = 1 lsl 7
let make_window conn window =
let hints = _xcb_wm_n_hints conn window in
let flags = getf hints Types.Size_hints.flags in
let has_min = has_flag flags p_min_size in
let has_size = has_flag flags p_size in
let has_max = has_flag flags p_max_size in
let has_aspect = has_flag flags p_aspect in
let size =
if has_size then
Some
(getf hints Types.Size_hints.width, getf hints Types.Size_hints.height)
else None
in
let min =
if has_min then
Some
( getf hints Types.Size_hints.min_width,
getf hints Types.Size_hints.min_height )
else None
in
let max =
if has_max then
Some
( getf hints Types.Size_hints.max_width,
getf hints Types.Size_hints.max_height )
else None
in
let fixed_size =
match (size, min, max) with
| Some size, _, _ -> Some size
| _, Some min, _ -> Some min
| _, _, Some max -> Some max
| _ -> None
in
let fixed_aspect =
if has_aspect then
let min_num = getf hints Types.Size_hints.min_aspect_num in
let min_den = getf hints Types.Size_hints.min_aspect_den in
let max_num = getf hints Types.Size_hints.max_aspect_num in
let max_den = getf hints Types.Size_hints.max_aspect_den in
if min_den <> Int32.zero then
Some
( Int32.div (Int32.mul (Int32.of_int 100) min_num) min_den,
Int32.of_int 100 )
else if max_den <> Int32.zero then
Some
( Int32.div (Int32.mul (Int32.of_int 100) max_num) max_den,
Int32.of_int 100 )
else None
else None
in
match (fixed_size, fixed_aspect) with
| Some (x, y), _ -> Some (x, y)
| _, Some (x, y) -> Some (x, y)
| _ -> None
let _xcb_kill_client =
foreign "xcb_kill_client"
(ptr Types.Connection.typ @-> Types.Window.typ
@-> returning Types.Cookie.Void.typ)
let force_kill conn window = ignore (_xcb_kill_client conn window)
let _xcb_send_event =
foreign "xcb_send_event"
(ptr Types.Connection.typ @-> uint8_t @-> Types.Window.typ @-> uint32_t
@-> ptr char
@-> returning Types.Cookie.Void.typ)
let kill conn window =
let protocols_cookie = Cookie.Atom.wm_protocols conn in
let delete_cookie = Cookie.Atom.wm_delete_window conn in
match (Reply.get conn protocols_cookie, Reply.get conn delete_cookie) with
| Some protocols, Some delete_window ->
let ev = make Types.Client_message.typ in
setf ev Types.Client_message.response_type (Unsigned.UInt8.of_int 33);
setf ev Types.Client_message.window window;
setf ev Types.Client_message.type_ protocols;
setf ev Types.Client_message.format (Unsigned.UInt8.of_int 32);
let data = getf ev Types.Client_message.data in
CArray.set data 0 delete_window;
CArray.set data 1 (Unsigned.UInt32.of_int 0);
let cookie =
_xcb_send_event conn (Unsigned.UInt8.of_int 0) window
(Unsigned.UInt32.of_int 0)
(Types.Client_message.ptr ev)
in
Error.check conn cookie
| _ -> force_kill conn window