Files
ab_glyph_rasterizer
addr2line
adler
andrew
approx
arrayvec
ash
atom
backtrace
bitflags
byteorder
calloop
cfg_if
colorful
conrod_core
conrod_derive
conrod_example_shared
conrod_gfx
conrod_glium
conrod_piston
conrod_rendy
conrod_vulkano
conrod_wgpu
conrod_winit
copyless
copypasta
crossbeam
crossbeam_channel
crossbeam_deque
crossbeam_epoch
crossbeam_queue
crossbeam_utils
daggy
dlib
downcast_rs
draw_state
either
fixedbitset
float
fnv
futures
futures_channel
futures_core
futures_executor
futures_io
futures_macro
futures_sink
futures_task
futures_util
async_await
future
io
lock
sink
stream
task
fxhash
getrandom
gfx
gfx_backend_empty
gfx_backend_vulkan
gfx_core
gfx_descriptor
gfx_hal
gfx_memory
gimli
glium
glutin
glutin_egl_sys
glutin_glx_sys
graphics
half
hibitset
inplace_it
input
instant
interpolation
iovec
itoa
lazy_static
lazycell
libc
libloading
line_drawing
linked_hash_map
lock_api
log
maybe_uninit
memchr
memmap
memoffset
miniz_oxide
mio
mio_extras
naga
net2
nix
nom
num
num_bigint
num_complex
num_cpus
num_integer
num_iter
num_rational
num_traits
object
once_cell
ordered_float
ordermap
osmesa_sys
owned_ttf_parser
parking_lot
parking_lot_core
percent_encoding
petgraph
pin_project
pin_project_internal
pin_project_lite
pin_utils
ppv_lite86
proc_macro2
proc_macro_hack
proc_macro_nested
quote
rand
rand_chacha
rand_core
raw_window_handle
read_color
relevant
rendy
rendy_chain
rendy_command
rendy_core
rendy_descriptor
rendy_factory
rendy_frame
rendy_graph
rendy_init
rendy_memory
rendy_mesh
rendy_resource
rendy_shader
rendy_texture
rendy_wsi
rustc_demangle
rustc_hash
rusttype
ryu
same_file
scoped_tls
scopeguard
serde
serde_derive
serde_json
shaderc
shaderc_sys
shared_library
slab
smallvec
smithay_client_toolkit
smithay_clipboard
spirv_headers
stb_truetype
syn
takeable_option
texture
thiserror
thiserror_impl
thread_profiler
time
tracing
tracing_core
ttf_parser
typed_arena
unicode_xid
vecmath
viewport
vk_sys
void
vulkano
buffer
command_buffer
descriptor
device
framebuffer
image
instance
memory
pipeline
query
swapchain
sync
vulkano_shaders
walkdir
wayland_client
wayland_commons
wayland_cursor
wayland_egl
wayland_protocols
wayland_sys
wgpu
wgpu_core
wgpu_types
winit
x11
x11_clipboard
x11_dl
xcb
xcursor
xdg
xml
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
use std::{collections::HashMap, mem, ptr, sync::Arc};

use super::{ffi, XConnection, XError};

use super::{context::ImeContext, input_method::PotentialInputMethods};

pub unsafe fn close_im(xconn: &Arc<XConnection>, im: ffi::XIM) -> Result<(), XError> {
    (xconn.xlib.XCloseIM)(im);
    xconn.check_errors()
}

pub unsafe fn destroy_ic(xconn: &Arc<XConnection>, ic: ffi::XIC) -> Result<(), XError> {
    (xconn.xlib.XDestroyIC)(ic);
    xconn.check_errors()
}

pub struct ImeInner {
    pub xconn: Arc<XConnection>,
    // WARNING: this is initially null!
    pub im: ffi::XIM,
    pub potential_input_methods: PotentialInputMethods,
    pub contexts: HashMap<ffi::Window, Option<ImeContext>>,
    // WARNING: this is initially zeroed!
    pub destroy_callback: ffi::XIMCallback,
    // Indicates whether or not the the input method was destroyed on the server end
    // (i.e. if ibus/fcitx/etc. was terminated/restarted)
    pub is_destroyed: bool,
    pub is_fallback: bool,
}

impl ImeInner {
    pub fn new(xconn: Arc<XConnection>, potential_input_methods: PotentialInputMethods) -> Self {
        ImeInner {
            xconn,
            im: ptr::null_mut(),
            potential_input_methods,
            contexts: HashMap::new(),
            destroy_callback: unsafe { mem::zeroed() },
            is_destroyed: false,
            is_fallback: false,
        }
    }

    pub unsafe fn close_im_if_necessary(&self) -> Result<bool, XError> {
        if !self.is_destroyed {
            close_im(&self.xconn, self.im).map(|_| true)
        } else {
            Ok(false)
        }
    }

    pub unsafe fn destroy_ic_if_necessary(&self, ic: ffi::XIC) -> Result<bool, XError> {
        if !self.is_destroyed {
            destroy_ic(&self.xconn, ic).map(|_| true)
        } else {
            Ok(false)
        }
    }

    pub unsafe fn destroy_all_contexts_if_necessary(&self) -> Result<bool, XError> {
        for context in self.contexts.values() {
            if let &Some(ref context) = context {
                self.destroy_ic_if_necessary(context.ic)?;
            }
        }
        Ok(!self.is_destroyed)
    }
}