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Migrate from lazy_static to once_cell

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James Liu 2022-06-08 11:50:26 -07:00 • committed by GitHub
parent 4c39b3188c
commit 2c01e9e747
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 477 additions and 519 deletions
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95
src/platform_impl/windows/dark_mode.rs
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@ -2,6 +2,7 @@
/// which is inspired by the solution in https://github.com/ysc3839/win32-darkmode
use std::{ffi::c_void, ptr};
use once_cell::sync::Lazy;
use windows_sys::{
core::PCSTR,
Win32::{
@ -22,47 +23,45 @@ use crate::window::Theme;
use super::util;
lazy_static! {
static ref WIN10_BUILD_VERSION: Option<u32> = {
type RtlGetVersion = unsafe extern "system" fn (*mut OSVERSIONINFOW) -> NTSTATUS;
let handle = get_function!("ntdll.dll", RtlGetVersion);
static WIN10_BUILD_VERSION: Lazy<Option<u32>> = Lazy::new(|| {
type RtlGetVersion = unsafe extern "system" fn(*mut OSVERSIONINFOW) -> NTSTATUS;
let handle = get_function!("ntdll.dll", RtlGetVersion);
if let Some(rtl_get_version) = handle {
unsafe {
let mut vi = OSVERSIONINFOW {
dwOSVersionInfoSize: 0,
dwMajorVersion: 0,
dwMinorVersion: 0,
dwBuildNumber: 0,
dwPlatformId: 0,
szCSDVersion: [0; 128],
};
if let Some(rtl_get_version) = handle {
unsafe {
let mut vi = OSVERSIONINFOW {
dwOSVersionInfoSize: 0,
dwMajorVersion: 0,
dwMinorVersion: 0,
dwBuildNumber: 0,
dwPlatformId: 0,
szCSDVersion: [0; 128],
};
let status = (rtl_get_version)(&mut vi);
let status = (rtl_get_version)(&mut vi);
if status >= 0 && vi.dwMajorVersion == 10 && vi.dwMinorVersion == 0 {
Some(vi.dwBuildNumber)
} else {
None
}
if status >= 0 && vi.dwMajorVersion == 10 && vi.dwMinorVersion == 0 {
Some(vi.dwBuildNumber)
} else {
None
}
} else {
None
}
};
} else {
None
}
});
static ref DARK_MODE_SUPPORTED: bool = {
// We won't try to do anything for windows versions < 17763
// (Windows 10 October 2018 update)
match *WIN10_BUILD_VERSION {
Some(v) => v >= 17763,
None => false
}
};
static DARK_MODE_SUPPORTED: Lazy<bool> = Lazy::new(|| {
// We won't try to do anything for windows versions < 17763
// (Windows 10 October 2018 update)
match *WIN10_BUILD_VERSION {
Some(v) => v >= 17763,
None => false,
}
});
static ref DARK_THEME_NAME: Vec<u16> = util::encode_wide("DarkMode_Explorer");
static ref LIGHT_THEME_NAME: Vec<u16> = util::encode_wide("");
}
static DARK_THEME_NAME: Lazy<Vec<u16>> = Lazy::new(|| util::encode_wide("DarkMode_Explorer"));
static LIGHT_THEME_NAME: Lazy<Vec<u16>> = Lazy::new(|| util::encode_wide(""));
/// Attempt to set a theme on a window, if necessary.
/// Returns the theme that was picked
@ -113,10 +112,8 @@ fn set_dark_mode_for_window(hwnd: HWND, is_dark_mode: bool) -> bool {
cbData: usize,
}
lazy_static! {
static ref SET_WINDOW_COMPOSITION_ATTRIBUTE: Option<SetWindowCompositionAttribute> =
get_function!("user32.dll", SetWindowCompositionAttribute);
}
static SET_WINDOW_COMPOSITION_ATTRIBUTE: Lazy<Option<SetWindowCompositionAttribute>> =
Lazy::new(|| get_function!("user32.dll", SetWindowCompositionAttribute));
if let Some(set_window_composition_attribute) = *SET_WINDOW_COMPOSITION_ATTRIBUTE {
unsafe {
@ -144,23 +141,19 @@ fn should_use_dark_mode() -> bool {
fn should_apps_use_dark_mode() -> bool {
type ShouldAppsUseDarkMode = unsafe extern "system" fn() -> bool;
lazy_static! {
static ref SHOULD_APPS_USE_DARK_MODE: Option<ShouldAppsUseDarkMode> = {
unsafe {
const UXTHEME_SHOULDAPPSUSEDARKMODE_ORDINAL: PCSTR = 132 as PCSTR;
static SHOULD_APPS_USE_DARK_MODE: Lazy<Option<ShouldAppsUseDarkMode>> = Lazy::new(|| unsafe {
const UXTHEME_SHOULDAPPSUSEDARKMODE_ORDINAL: PCSTR = 132 as PCSTR;
let module = LoadLibraryA("uxtheme.dll\0".as_ptr());
let module = LoadLibraryA("uxtheme.dll\0".as_ptr());
if module == 0 {
return None;
}
if module == 0 {
return None;
}
let handle = GetProcAddress(module, UXTHEME_SHOULDAPPSUSEDARKMODE_ORDINAL);
let handle = GetProcAddress(module, UXTHEME_SHOULDAPPSUSEDARKMODE_ORDINAL);
handle.map(|handle| std::mem::transmute(handle))
}
};
}
handle.map(|handle| std::mem::transmute(handle))
});
SHOULD_APPS_USE_DARK_MODE
.map(|should_apps_use_dark_mode| unsafe { (should_apps_use_dark_mode)() })