source code

libs/scrap/src/x11/ffi.rs

@@ -0,0 +1,205 @@
+#![allow(non_camel_case_types)]
+
+use libc::c_void;
+
+#[link(name = "xcb")]
+#[link(name = "xcb-shm")]
+#[link(name = "xcb-randr")]
+extern "C" {
+    pub fn xcb_connect(displayname: *const i8, screenp: *mut i32) -> *mut xcb_connection_t;
+
+    pub fn xcb_disconnect(c: *mut xcb_connection_t);
+
+    pub fn xcb_connection_has_error(c: *mut xcb_connection_t) -> i32;
+
+    pub fn xcb_get_setup(c: *mut xcb_connection_t) -> *const xcb_setup_t;
+
+    pub fn xcb_setup_roots_iterator(r: *const xcb_setup_t) -> xcb_screen_iterator_t;
+
+    pub fn xcb_screen_next(i: *mut xcb_screen_iterator_t);
+
+    pub fn xcb_generate_id(c: *mut xcb_connection_t) -> u32;
+
+    pub fn xcb_shm_attach(
+        c: *mut xcb_connection_t,
+        shmseg: xcb_shm_seg_t,
+        shmid: u32,
+        read_only: u8,
+    ) -> xcb_void_cookie_t;
+
+    pub fn xcb_shm_detach(c: *mut xcb_connection_t, shmseg: xcb_shm_seg_t) -> xcb_void_cookie_t;
+
+    pub fn xcb_shm_get_image_unchecked(
+        c: *mut xcb_connection_t,
+        drawable: xcb_drawable_t,
+        x: i16,
+        y: i16,
+        width: u16,
+        height: u16,
+        plane_mask: u32,
+        format: u8,
+        shmseg: xcb_shm_seg_t,
+        offset: u32,
+    ) -> xcb_shm_get_image_cookie_t;
+
+    pub fn xcb_shm_get_image_reply(
+        c: *mut xcb_connection_t,
+        cookie: xcb_shm_get_image_cookie_t,
+        e: *mut *mut xcb_generic_error_t,
+    ) -> *mut xcb_shm_get_image_reply_t;
+
+    pub fn xcb_randr_get_monitors_unchecked(
+        c: *mut xcb_connection_t,
+        window: xcb_window_t,
+        get_active: u8,
+    ) -> xcb_randr_get_monitors_cookie_t;
+
+    pub fn xcb_randr_get_monitors_reply(
+        c: *mut xcb_connection_t,
+        cookie: xcb_randr_get_monitors_cookie_t,
+        e: *mut *mut xcb_generic_error_t,
+    ) -> *mut xcb_randr_get_monitors_reply_t;
+
+    pub fn xcb_randr_get_monitors_monitors_iterator(
+        r: *const xcb_randr_get_monitors_reply_t,
+    ) -> xcb_randr_monitor_info_iterator_t;
+
+    pub fn xcb_randr_monitor_info_next(i: *mut xcb_randr_monitor_info_iterator_t);
+}
+
+pub const XCB_IMAGE_FORMAT_Z_PIXMAP: u8 = 2;
+
+pub type xcb_atom_t = u32;
+pub type xcb_connection_t = c_void;
+pub type xcb_window_t = u32;
+pub type xcb_keycode_t = u8;
+pub type xcb_visualid_t = u32;
+pub type xcb_timestamp_t = u32;
+pub type xcb_colormap_t = u32;
+pub type xcb_shm_seg_t = u32;
+pub type xcb_drawable_t = u32;
+
+#[repr(C)]
+pub struct xcb_setup_t {
+    pub status: u8,
+    pub pad0: u8,
+    pub protocol_major_version: u16,
+    pub protocol_minor_version: u16,
+    pub length: u16,
+    pub release_number: u32,
+    pub resource_id_base: u32,
+    pub resource_id_mask: u32,
+    pub motion_buffer_size: u32,
+    pub vendor_len: u16,
+    pub maximum_request_length: u16,
+    pub roots_len: u8,
+    pub pixmap_formats_len: u8,
+    pub image_byte_order: u8,
+    pub bitmap_format_bit_order: u8,
+    pub bitmap_format_scanline_unit: u8,
+    pub bitmap_format_scanline_pad: u8,
+    pub min_keycode: xcb_keycode_t,
+    pub max_keycode: xcb_keycode_t,
+    pub pad1: [u8; 4],
+}
+
+#[repr(C)]
+pub struct xcb_screen_iterator_t {
+    pub data: *mut xcb_screen_t,
+    pub rem: i32,
+    pub index: i32,
+}
+
+#[repr(C)]
+pub struct xcb_screen_t {
+    pub root: xcb_window_t,
+    pub default_colormap: xcb_colormap_t,
+    pub white_pixel: u32,
+    pub black_pixel: u32,
+    pub current_input_masks: u32,
+    pub width_in_pixels: u16,
+    pub height_in_pixels: u16,
+    pub width_in_millimeters: u16,
+    pub height_in_millimeters: u16,
+    pub min_installed_maps: u16,
+    pub max_installed_maps: u16,
+    pub root_visual: xcb_visualid_t,
+    pub backing_stores: u8,
+    pub save_unders: u8,
+    pub root_depth: u8,
+    pub allowed_depths_len: u8,
+}
+
+#[repr(C)]
+pub struct xcb_randr_monitor_info_iterator_t {
+    pub data: *mut xcb_randr_monitor_info_t,
+    pub rem: i32,
+    pub index: i32,
+}
+
+#[repr(C)]
+pub struct xcb_randr_monitor_info_t {
+    pub name: xcb_atom_t,
+    pub primary: u8,
+    pub automatic: u8,
+    pub n_output: u16,
+    pub x: i16,
+    pub y: i16,
+    pub width: u16,
+    pub height: u16,
+    pub width_mm: u32,
+    pub height_mm: u32,
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct xcb_randr_get_monitors_cookie_t {
+    pub sequence: u32,
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct xcb_shm_get_image_cookie_t {
+    pub sequence: u32,
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct xcb_void_cookie_t {
+    pub sequence: u32,
+}
+
+#[repr(C)]
+pub struct xcb_generic_error_t {
+    pub response_type: u8,
+    pub error_code: u8,
+    pub sequence: u16,
+    pub resource_id: u32,
+    pub minor_code: u16,
+    pub major_code: u8,
+    pub pad0: u8,
+    pub pad: [u32; 5],
+    pub full_sequence: u32,
+}
+
+#[repr(C)]
+pub struct xcb_shm_get_image_reply_t {
+    pub response_type: u8,
+    pub depth: u8,
+    pub sequence: u16,
+    pub length: u32,
+    pub visual: xcb_visualid_t,
+    pub size: u32,
+}
+
+#[repr(C)]
+pub struct xcb_randr_get_monitors_reply_t {
+    pub response_type: u8,
+    pub pad0: u8,
+    pub sequence: u16,
+    pub length: u32,
+    pub timestamp: xcb_timestamp_t,
+    pub n_monitors: u32,
+    pub n_outputs: u32,
+    pub pad1: [u8; 12],
+}