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https://github.com/RGBCube/serenity
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Okay, I've spent a whole day on this now, and it finally kinda works!
With this patch, CObject and all of its derived classes are reference
counted instead of tree-owned.
The previous, Qt-like model was nice and familiar, but ultimately also
outdated and difficult to reason about.
CObject-derived types should now be stored in RefPtr/NonnullRefPtr and
each class can be constructed using the forwarding construct() helper:
auto widget = GWidget::construct(parent_widget);
Note that construct() simply forwards all arguments to an existing
constructor. It is inserted into each class by the C_OBJECT macro,
see CObject.h to understand how that works.
CObject::delete_later() disappears in this patch, as there is no longer
a single logical owner of a CObject.
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
#pragma once
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#include <AK/Vector.h>
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#include <AK/WeakPtr.h>
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#include <LibCore/CObject.h>
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#include <LibDraw/Rect.h>
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class Painter;
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class WSKeyEvent;
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class WSWindow;
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class WSWindowSwitcher : public CObject {
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C_OBJECT(WSWindowSwitcher)
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public:
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static WSWindowSwitcher& the();
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WSWindowSwitcher();
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virtual ~WSWindowSwitcher() override;
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bool is_visible() const { return m_visible; }
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void set_visible(bool);
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void show() { set_visible(true); }
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void hide() { set_visible(false); }
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void on_key_event(const WSKeyEvent&);
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void refresh();
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void refresh_if_needed();
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void draw();
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int thumbnail_width() { return 40; }
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int thumbnail_height() { return 40; }
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int item_height() { return 10 + thumbnail_height(); }
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int padding() { return 8; }
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int item_padding() { return 8; }
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WSWindow* selected_window();
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WSWindow* switcher_window() { return m_switcher_window.ptr(); }
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private:
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RefPtr<WSWindow> m_switcher_window;
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Rect m_rect;
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bool m_visible { false };
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Vector<WeakPtr<WSWindow>> m_windows;
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int m_selected_index { 0 };
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};
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