74 lines
1.7 KiB
Rust
74 lines
1.7 KiB
Rust
//! The module including all wrapper types for FFI.
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use std::ffi::c_void;
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use num_enum::TryFromPrimitive;
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// region: HICON
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/// The type representing Win32 HICON handle.
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///
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/// In theory, we can fetch HICON type from "windows_sys" crate.
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/// However, I don't want to add it as this crate's dependency,
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/// because I don't use anything within it except this type.
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/// So I check Microsoft document, re-define it in there for this crate.
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/// Reference: <https://learn.microsoft.com/en-us/windows/win32/winprog/windows-data-types>
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pub type HICON = *mut c_void;
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/// The invalid value of Win32 HICON handle.
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///
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/// The same reason like [WFHICON] to re-define it in there.
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pub const INVALID_HICON: HICON = std::ptr::null_mut();
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// endregion
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// region: Scope
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/// The FFI wrapper for [wfassoc::Scope].
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#[repr(u32)]
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#[derive(Debug, Copy, Clone, TryFromPrimitive)]
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pub enum Scope {
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User = 0,
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System = 1,
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}
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impl From<Scope> for wfassoc::Scope {
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fn from(value: Scope) -> Self {
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match value {
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Scope::User => wfassoc::Scope::User,
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Scope::System => wfassoc::Scope::System,
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}
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}
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}
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// endregion
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// region: View
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/// The FFI wrapper for [wfassoc::View].
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#[repr(u32)]
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#[derive(Debug, Copy, Clone, TryFromPrimitive)]
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pub enum View {
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User = 0,
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System = 1,
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Hybrid = 2,
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}
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impl From<View> for wfassoc::View {
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fn from(value: View) -> Self {
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match value {
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View::User => wfassoc::View::User,
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View::System => wfassoc::View::System,
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View::Hybrid => wfassoc::View::Hybrid,
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}
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}
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}
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// endregion
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// region: Misc Types and Constants
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/// The invalid value of index.
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pub const INVALID_INDEX: usize = usize::MAX;
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// endregion
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