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LibGUI: Add callback for screen rect change to Desktop.h

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callbacks for screen rect changes can be added with
on_receive_screen_rects()
This commit is contained in:
Peter Elliott 2021-07-18 12:41:12 -06:00 • committed by Andreas Kling
parent 222b97488a
commit b8f3441300
2 changed files with 10 additions and 0 deletions
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3
Userland/Libraries/LibGUI/Desktop.cpp
View file

@ -39,6 +39,9 @@ void Desktop::did_receive_screen_rects(Badge<WindowServerConnection>, const Vect
m_virtual_desktop_rows = virtual_desktop_rows; m_virtual_desktop_rows = virtual_desktop_rows;
m_virtual_desktop_columns = virtual_desktop_columns; m_virtual_desktop_columns = virtual_desktop_columns;
for (auto& callback : m_receive_rects_callbacks)
callback(*this);
} }
void Desktop::set_background_color(const StringView& background_color) void Desktop::set_background_color(const StringView& background_color)

7
Userland/Libraries/LibGUI/Desktop.h
View file

@ -43,12 +43,19 @@ public:
void did_receive_screen_rects(Badge<WindowServerConnection>, const Vector<Gfx::IntRect, 4>&, size_t, unsigned, unsigned); void did_receive_screen_rects(Badge<WindowServerConnection>, const Vector<Gfx::IntRect, 4>&, size_t, unsigned, unsigned);
template<typename F>
void on_receive_screen_rects(F&& callback)
{
m_receive_rects_callbacks.append(forward<F>(callback));
}
private: private:
Vector<Gfx::IntRect, default_screen_rect_count> m_rects; Vector<Gfx::IntRect, default_screen_rect_count> m_rects;
size_t m_main_screen_index { 0 }; size_t m_main_screen_index { 0 };
Gfx::IntRect m_bounding_rect; Gfx::IntRect m_bounding_rect;
unsigned m_virtual_desktop_rows { 1 }; unsigned m_virtual_desktop_rows { 1 };
unsigned m_virtual_desktop_columns { 1 }; unsigned m_virtual_desktop_columns { 1 };
Vector<Function<void(Desktop&)>> m_receive_rects_callbacks;
}; };
} }