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windows: more consistently enable/disable backdrop on older windows

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When the user edits their config, this should stand a better chance
of the desired effect being enabled and not requiring a restart.

refs: #3528
This commit is contained in:
Wez Furlong 2023-04-16 11:09:18 -07:00
parent eef5ffb0ce
commit c4145a464b
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GPG Key ID: 7A7F66A31EC9B387
1 changed files with 28 additions and 19 deletions
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47
window/src/os/windows/window.rs
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@ -1394,13 +1394,21 @@ fn apply_theme(hwnd: HWND) -> Option<LRESULT> {
&pv_attribute as *const _ as _,
std::mem::size_of_val(&pv_attribute) as u32,
);
} else if inner.config.win32_system_backdrop == SystemBackdrop::Acrylic {
} else {
let mut colour = inner.config.win32_acrylic_accent_color.to_srgb_u8();
colour.3 = if colour.3 == 0 { 1 } else { colour.3 }; // acrylic doesn't like to have 0 alpha
let mut policy = ACCENT_POLICY {
AccentState: ACCENT_STATE::ACCENT_ENABLE_ACRYLICBLURBEHIND as _,
AccentFlags: 2,
AccentState: if inner.config.win32_system_backdrop == SystemBackdrop::Acrylic {
ACCENT_STATE::ACCENT_ENABLE_ACRYLICBLURBEHIND as _
} else {
ACCENT_STATE::ACCENT_DISABLED as _
},
AccentFlags: if inner.config.win32_system_backdrop == SystemBackdrop::Acrylic {
2
} else {
0
},
GradientColour: (colour.0 as u32)
| (colour.1 as u32) << 8
| (colour.2 as u32) << 16
@ -1417,22 +1425,23 @@ fn apply_theme(hwnd: HWND) -> Option<LRESULT> {
cbData: std::mem::size_of_val(&policy) as _,
},
);
};
} else if !*IS_WIN10 && !*IS_WIN11_22H2 {
// For build versions less than 22h2 but are
// still win11
let mica_enabled: u32 =
if inner.config.win32_system_backdrop == SystemBackdrop::Mica {
1
} else {
0
};
DwmSetWindowAttribute(
hwnd,
DWMWA_MICA_EFFECT,
&mica_enabled as *const _ as _,
std::mem::size_of_val(&mica_enabled) as u32,
);
}
if !*IS_WIN10 && !*IS_WIN11_22H2 {
// For build versions less than 22h2 but are still win11
let mica_enabled: u32 =
if inner.config.win32_system_backdrop == SystemBackdrop::Mica {
1
} else {
0
};
DwmSetWindowAttribute(
hwnd,
DWMWA_MICA_EFFECT,
&mica_enabled as *const _ as _,
std::mem::size_of_val(&mica_enabled) as u32,
);
}
}
if appearance != inner.appearance {