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WindowServer: Add IPC endpoint to get the color under cursor

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This allows any client to ask the WindowServer to give it the color
of the screen bitmap under the cursor.

There's currently no way to get the screen bitmap *without* the
cursor already drawn on it, so for now we just take a pixel
beside the actual cursor position to avoid just getting the cursors
color.
This commit is contained in:
Mustafa Quraish 2021-09-03 23:14:37 -04:00 • committed by Andreas Kling
parent 3da4fdd0eb
commit 69d708fb21
3 changed files with 12 additions and 0 deletions
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Userland/Services/WindowServer/ClientConnection.h
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@ -169,6 +169,7 @@ private:
virtual void add_window_stealing_for_client(i32, i32) override;
virtual void remove_window_stealing_for_client(i32, i32) override;
virtual void remove_window_stealing(i32) override;
virtual Messages::WindowServer::GetColorUnderCursorResponse get_color_under_cursor() override;
Window* window_from_id(i32 window_id);