wxdragon-sys 0.9.19

Raw FFI bindings to libwxdragon (which statically links wxWidgets).
Documentation 
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

#![allow(non_camel_case_types, non_snake_case, non_upper_case_globals)]

// Include the generated FFI bindings (from bindgen)
include!(concat!(env!("OUT_DIR"), "/bindings.rs"));

// Conditionally include the pre-generated constants based on target OS
// Assumes files are located in `rust/wxdragon-sys/src/generated_constants/`
#[cfg(target_os = "macos")]
include!("generated_constants/wx_osx_constants.rs");

#[cfg(target_os = "windows")]
include!("generated_constants/wx_msw_constants.rs");

#[cfg(target_os = "linux")]
include!("generated_constants/wx_gtk_constants.rs");

// Fallback or error for unsupported OS for constants, if necessary.
// Alternatively, you could have a `wx_common_constants.rs` if some constants are universal
// and only OS-specific parts are in the files above.
#[cfg(not(any(target_os = "macos", target_os = "windows", target_os = "linux")))]
compile_error!("Target OS not supported by pre-generated constants. Please add a constants file for this OS.");

mod logging4c;

// Type alias for convenience maybe?
// pub type wxWindow_t = self::wxd_Window_t; // Example

// Additional constants or utility functions specific to the sys crate itself
// (if any are ever needed, usually this file is minimal)

// REMOVED redundant/incorrect manual definitions and extern block.
// Bindgen now generates wxd_EVT_* constants directly from wxdragon.h
// into the included bindings.rs file.

// Need to find the actual values for these constants. // REMOVED Comment

/// Function to properly free a string that was allocated by Rust using CString::into_raw().
/// This must be called instead of C's free() for strings allocated by Rust.
/// # Safety
/// The caller (C++) must ensure `str_ptr` is a valid pointer obtained from
/// `CString::into_raw()` and that it hasn't been freed already.
#[unsafe(no_mangle)]
#[allow(clippy::not_unsafe_ptr_arg_deref)]
pub extern "C" fn wxd_Variant_Free_Rust_String(str_ptr: *mut std::os::raw::c_char) {
    if !str_ptr.is_null() {
        // Reconstitute the CString and let it drop, properly freeing the memory
        // that was allocated by Rust's allocator
        unsafe {
            let _cstring = std::ffi::CString::from_raw(str_ptr);
            // Drop happens automatically when `_cstring` goes out of scope here.
        }
    }
}