From 7e06afb82270266d8501386b8907f6017186f418 Mon Sep 17 00:00:00 2001 From: Tom Date: Thu, 11 Feb 2021 17:32:03 -0700 Subject: WindowServer: Recompute occlusions when changing window's alpha channel Fixes #4845 --- Userland/Services/WindowServer/Window.cpp | 10 +++++++++- Userland/Services/WindowServer/Window.h | 2 +- 2 files changed, 10 insertions(+), 2 deletions(-) (limited to 'Userland/Services') diff --git a/Userland/Services/WindowServer/Window.cpp b/Userland/Services/WindowServer/Window.cpp index 0a28629e16..544d19ee49 100644 --- a/Userland/Services/WindowServer/Window.cpp +++ b/Userland/Services/WindowServer/Window.cpp @@ -323,10 +323,18 @@ void Window::set_opacity(float opacity) m_opacity = opacity; if (was_opaque != is_opaque()) Compositor::the().invalidate_occlusions(); - Compositor::the().invalidate_screen(frame().render_rect()); + invalidate(false); WindowManager::the().notify_opacity_changed(*this); } +void Window::set_has_alpha_channel(bool value) +{ + if (m_has_alpha_channel == value) + return; + m_has_alpha_channel = value; + Compositor::the().invalidate_occlusions(); +} + void Window::set_occluded(bool occluded) { if (m_occluded == occluded) diff --git a/Userland/Services/WindowServer/Window.h b/Userland/Services/WindowServer/Window.h index 02de18c0bd..53c39a1524 100644 --- a/Userland/Services/WindowServer/Window.h +++ b/Userland/Services/WindowServer/Window.h @@ -219,7 +219,7 @@ public: bool global_cursor_tracking() const { return m_global_cursor_tracking_enabled || m_automatic_cursor_tracking_enabled; } bool has_alpha_channel() const { return m_has_alpha_channel; } - void set_has_alpha_channel(bool value) { m_has_alpha_channel = value; } + void set_has_alpha_channel(bool value); Gfx::IntSize size_increment() const { return m_size_increment; } void set_size_increment(const Gfx::IntSize& increment) { m_size_increment = increment; } -- cgit v1.2.3