diff options
author | Andreas Kling <kling@serenityos.org> | 2020-02-06 20:33:02 +0100 |
---|---|---|
committer | Andreas Kling <kling@serenityos.org> | 2020-02-06 20:33:02 +0100 |
commit | 6a9cc66b976653bf5f0440a6071b736d6d41c183 (patch) | |
tree | 538a7595db75641409ffb36fad9f31613812c9aa /Libraries/LibGUI/DragOperation.cpp | |
parent | 2e219255a2f062e9d7da0c9a306e84bde95db2fa (diff) | |
download | serenity-6a9cc66b976653bf5f0440a6071b736d6d41c183.zip |
LibGUI: Remove leading G from filenames
Diffstat (limited to 'Libraries/LibGUI/DragOperation.cpp')
-rw-r--r-- | Libraries/LibGUI/DragOperation.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/Libraries/LibGUI/DragOperation.cpp b/Libraries/LibGUI/DragOperation.cpp new file mode 100644 index 0000000000..6b10cb6841 --- /dev/null +++ b/Libraries/LibGUI/DragOperation.cpp @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <LibGfx/Bitmap.h> +#include <LibGUI/DragOperation.h> +#include <LibGUI/WindowServerConnection.h> + +namespace GUI { + +static DragOperation* s_current_drag_operation; + +DragOperation::DragOperation(Core::Object* parent) + : Core::Object(parent) +{ +} + +DragOperation::~DragOperation() +{ +} + +DragOperation::Outcome DragOperation::exec() +{ + ASSERT(!s_current_drag_operation); + ASSERT(!m_event_loop); + + int bitmap_id = -1; + Gfx::Size bitmap_size; + RefPtr<Gfx::Bitmap> shared_bitmap; + if (m_bitmap) { + shared_bitmap = m_bitmap->to_shareable_bitmap(); + shared_bitmap->shared_buffer()->share_with(WindowServerConnection::the().server_pid()); + bitmap_id = shared_bitmap->shared_buffer_id(); + bitmap_size = shared_bitmap->size(); + } + + auto response = WindowServerConnection::the().send_sync<Messages::WindowServer::StartDrag>(m_text, m_data_type, m_data, bitmap_id, bitmap_size); + if (!response->started()) { + m_outcome = Outcome::Cancelled; + return m_outcome; + } + + s_current_drag_operation = this; + m_event_loop = make<Core::EventLoop>(); + auto result = m_event_loop->exec(); + m_event_loop = nullptr; + dbgprintf("%s: event loop returned with result %d\n", class_name(), result); + remove_from_parent(); + s_current_drag_operation = nullptr; + return m_outcome; +} + +void DragOperation::done(Outcome outcome) +{ + ASSERT(m_outcome == Outcome::None); + m_outcome = outcome; + m_event_loop->quit(0); +} + +void DragOperation::notify_accepted(Badge<WindowServerConnection>) +{ + ASSERT(s_current_drag_operation); + s_current_drag_operation->done(Outcome::Accepted); +} + +void DragOperation::notify_cancelled(Badge<WindowServerConnection>) +{ + ASSERT(s_current_drag_operation); + s_current_drag_operation->done(Outcome::Cancelled); +} + +} |