cfcb38dff1
These fields are intended to carry the real meat of a drag operation, and the "text" is just for what we show on screen (alongside the cursor during the actual drag.) The data field is just a String for now, but in the future we should make it something more flexible.
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
#include <LibDraw/GraphicsBitmap.h>
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#include <LibGUI/GDragOperation.h>
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#include <LibGUI/GWindowServerConnection.h>
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static GDragOperation* s_current_drag_operation;
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GDragOperation::GDragOperation(CObject* parent)
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: CObject(parent)
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{
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}
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GDragOperation::~GDragOperation()
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{
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}
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GDragOperation::Outcome GDragOperation::exec()
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{
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ASSERT(!s_current_drag_operation);
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ASSERT(!m_event_loop);
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int bitmap_id = -1;
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Size bitmap_size;
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RefPtr<GraphicsBitmap> shared_bitmap;
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if (m_bitmap) {
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shared_bitmap = m_bitmap->to_shareable_bitmap();
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shared_bitmap->shared_buffer()->share_with(GWindowServerConnection::the().server_pid());
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bitmap_id = shared_bitmap->shared_buffer_id();
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bitmap_size = shared_bitmap->size();
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}
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auto response = GWindowServerConnection::the().send_sync<WindowServer::StartDrag>(m_text, m_data_type, m_data, bitmap_id, bitmap_size);
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if (!response->started()) {
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m_outcome = Outcome::Cancelled;
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return m_outcome;
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}
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s_current_drag_operation = this;
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m_event_loop = make<CEventLoop>();
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auto result = m_event_loop->exec();
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m_event_loop = nullptr;
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dbgprintf("%s: event loop returned with result %d\n", class_name(), result);
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remove_from_parent();
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s_current_drag_operation = nullptr;
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return m_outcome;
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}
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void GDragOperation::done(Outcome outcome)
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{
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ASSERT(m_outcome == Outcome::None);
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m_outcome = outcome;
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m_event_loop->quit(0);
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}
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void GDragOperation::notify_accepted(Badge<GWindowServerConnection>)
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{
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ASSERT(s_current_drag_operation);
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s_current_drag_operation->done(Outcome::Accepted);
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}
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void GDragOperation::notify_cancelled(Badge<GWindowServerConnection>)
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{
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ASSERT(s_current_drag_operation);
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s_current_drag_operation->done(Outcome::Cancelled);
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}
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