1 files changed, 95 insertions, 0 deletions
diff --git a/Userland/Libraries/LibGUI/Dialog.cpp b/Userland/Libraries/LibGUI/Dialog.cpp
new file mode 100644
index 0000000000..e1988da503
--- /dev/null
+++ b/Userland/Libraries/LibGUI/Dialog.cpp
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+/*
+ * 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 <LibCore/EventLoop.h>
+#include <LibGUI/Dialog.h>
+#include <LibGUI/Event.h>
+
+namespace GUI {
+
+Dialog::Dialog(Window* parent_window)
+    : Window(parent_window)
+{
+    set_modal(true);
+    set_minimizable(false);
+}
+
+Dialog::~Dialog()
+{
+}
+
+int Dialog::exec()
+{
+    ASSERT(!m_event_loop);
+    m_event_loop = make<Core::EventLoop>();
+    if (parent() && is<Window>(parent())) {
+        auto& parent_window = *static_cast<Window*>(parent());
+        if (parent_window.is_visible()) {
+            center_within(parent_window);
+        } else {
+            center_on_screen();
+        }
+    } else {
+        center_on_screen();
+    }
+    show();
+    auto result = m_event_loop->exec();
+    m_event_loop = nullptr;
+    dbgln("{}: Event loop returned with result {}", *this, result);
+    remove_from_parent();
+    return result;
+}
+
+void Dialog::done(int result)
+{
+    if (!m_event_loop)
+        return;
+    m_result = result;
+    dbgln("{}: Quit event loop with result {}", *this, result);
+    m_event_loop->quit(result);
+}
+
+void Dialog::event(Core::Event& event)
+{
+    if (event.type() == Event::KeyUp) {
+        auto& key_event = static_cast<KeyEvent&>(event);
+        if (key_event.key() == KeyCode::Key_Escape) {
+            done(ExecCancel);
+            event.accept();
+            return;
+        }
+    }
+
+    Window::event(event);
+}
+
+void Dialog::close()
+{
+    Window::close();
+    m_event_loop->quit(ExecCancel);
+}
+
+}