summaryrefslogtreecommitdiff
path: root/Libraries/LibGUI/DragOperation.cpp
diff options
context:
space:
mode:
authorAndreas Kling <kling@serenityos.org>2020-02-06 20:33:02 +0100
committerAndreas Kling <kling@serenityos.org>2020-02-06 20:33:02 +0100
commit6a9cc66b976653bf5f0440a6071b736d6d41c183 (patch)
tree538a7595db75641409ffb36fad9f31613812c9aa /Libraries/LibGUI/DragOperation.cpp
parent2e219255a2f062e9d7da0c9a306e84bde95db2fa (diff)
downloadserenity-6a9cc66b976653bf5f0440a6071b736d6d41c183.zip
LibGUI: Remove leading G from filenames
Diffstat (limited to 'Libraries/LibGUI/DragOperation.cpp')
-rw-r--r--Libraries/LibGUI/DragOperation.cpp94
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);
+}
+
+}