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windows feature WS_EX_NOREDIRECTIONBITMAP (#575)

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* set WS_EX_NOREDIRECTIONBITMAP

* add CHANGELOG.md

* more flexibility.

* Skip DwmEnableBlurBehindWindow if no_redirection_bitmap is enabled.
This commit is contained in:
えちょ 2018-06-22 10:33:29 +09:00 • committed by Francesca Frangipane
parent 8f394f117b
commit 047c67baf3
4 changed files with 15 additions and 1 deletions
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1
src/platform/windows/mod.rs
View file

@ -11,6 +11,7 @@ pub use self::window::Window;
pub struct PlatformSpecificWindowBuilderAttributes {
pub parent: Option<HWND>,
pub taskbar_icon: Option<::Icon>,
pub no_redirection_bitmap: bool,
}
unsafe impl Send for PlatformSpecificWindowBuilderAttributes {}

5
src/platform/windows/window.rs
View file

@ -888,6 +888,9 @@ unsafe fn init(
if attributes.always_on_top {
ex_style |= winuser::WS_EX_TOPMOST;
}
if pl_attribs.no_redirection_bitmap {
ex_style |= winuser::WS_EX_NOREDIRECTIONBITMAP;
}
// adjusting the window coordinates using the style
winuser::AdjustWindowRectEx(&mut rect, style, 0, ex_style);
@ -999,7 +1002,7 @@ unsafe fn init(
};
// making the window transparent
if attributes.transparent {
if attributes.transparent && !pl_attribs.no_redirection_bitmap {
let bb = dwmapi::DWM_BLURBEHIND {
dwFlags: 0x1, // FIXME: DWM_BB_ENABLE;
fEnable: 1,