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https://github.com/RGBCube/serenity
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a7f414bba7
This patch enables basic drag&drop between applications. You initiate a drag by creating a GDragOperation object and calling exec() on it. This creates a nested event loop in the calling program that only returns once the drag operation has ended. On the receiving side, you get a call to GWidget::drop_event() with a GDropEvent containing information about the dropped data. The only data passed right now is a piece of text that's also used to visually indicate that a drag is happening (by showing the text in a little box that follows the mouse cursor around.) There are things to fix here, but we're off to a nice start. :^)
36 lines
773 B
C++
36 lines
773 B
C++
#pragma once
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#include <LibCore/CEventLoop.h>
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#include <LibCore/CObject.h>
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class GWindowServerConnection;
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class GDragOperation : public CObject {
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C_OBJECT(GDragOperation)
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public:
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enum class Outcome {
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None,
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Accepted,
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Cancelled,
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};
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virtual ~GDragOperation() override;
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void set_text(const String& text) { m_text = text; }
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Outcome exec();
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Outcome outcome() const { return m_outcome; }
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static void notify_accepted(Badge<GWindowServerConnection>);
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static void notify_cancelled(Badge<GWindowServerConnection>);
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protected:
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explicit GDragOperation(CObject* parent = nullptr);
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private:
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void done(Outcome);
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OwnPtr<CEventLoop> m_event_loop;
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Outcome m_outcome { Outcome::None };
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String m_text;
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};
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