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	 f76d24c2ec
			
		
	
	
		f76d24c2ec
		
	
	
	
	
		
			
			These options were created 2 years ago but the only use cases thus far are for Center and CenterWithinParent, so let's chuck the rest for now. Adds a new DoNotPosition option to opt out of automatic centering and a ScreenPosition setter and getter for configuration before exec()
		
			
				
	
	
		
			82 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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|  * Copyright (c) 2022, the SerenityOS developers.
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #include <LibCore/EventLoop.h>
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| #include <LibGUI/Dialog.h>
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| #include <LibGUI/Event.h>
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| #include <LibGfx/Palette.h>
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| 
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| namespace GUI {
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| 
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| Dialog::Dialog(Window* parent_window, ScreenPosition screen_position)
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|     : Window(parent_window)
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|     , m_screen_position(screen_position)
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| {
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|     set_window_mode(WindowMode::Blocking);
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| }
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| 
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| Dialog::ExecResult Dialog::exec()
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| {
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|     VERIFY(!m_event_loop);
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|     m_event_loop = make<Core::EventLoop>();
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| 
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|     switch (m_screen_position) {
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|     case ScreenPosition::DoNotPosition:
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|         break;
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|     case ScreenPosition::CenterWithinParent:
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|         if (auto parent = find_parent_window(); parent && parent->is_visible()) {
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|             center_within(*parent);
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|             constrain_to_desktop();
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|             break;
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|         }
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|         [[fallthrough]];
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|     case ScreenPosition::Center:
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|         center_on_screen();
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|         break;
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|     }
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| 
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|     show();
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|     auto result = m_event_loop->exec();
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|     m_event_loop = nullptr;
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|     dbgln("{}: Event loop returned with result {}", *this, result);
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|     remove_from_parent();
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|     return static_cast<ExecResult>(result);
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| }
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| 
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| void Dialog::done(ExecResult result)
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| {
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|     Window::close();
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| 
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|     if (!m_event_loop)
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|         return;
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|     m_result = result;
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|     on_done(m_result);
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| 
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|     dbgln("{}: Quit event loop with result {}", *this, to_underlying(result));
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|     m_event_loop->quit(to_underlying(result));
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| }
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| 
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| void Dialog::event(Core::Event& event)
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| {
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|     if (event.type() == Event::KeyDown) {
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|         auto& key_event = static_cast<KeyEvent&>(event);
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|         if (key_event.key() == KeyCode::Key_Escape) {
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|             done(ExecResult::Cancel);
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|             event.accept();
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|             return;
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|         }
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|     }
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| 
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|     Window::event(event);
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| }
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| 
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| void Dialog::close()
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| {
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|     done(ExecResult::Cancel);
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| }
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| 
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| }
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