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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.
*/
#pragma once
#include "VBWidget.h"
#include <AK/NonnullRefPtrVector.h>
#include <LibGUI/GWidget.h>
class VBForm : public GUI::Widget {
C_OBJECT(VBForm)
friend class VBWidget;
public:
explicit VBForm(const String& name, GUI::Widget* parent = nullptr);
virtual ~VBForm() override;
static VBForm* current();
String name() const { return m_name; }
void set_name(const String& name) { m_name = name; }
bool is_selected(const VBWidget&) const;
VBWidget* widget_at(const Gfx::Point&);
void set_should_snap_to_grip(bool snap) { m_should_snap_to_grid = snap; }
bool should_snap_to_grid() const { return m_should_snap_to_grid; }
void insert_widget(VBWidgetType);
Function<void(VBWidget*)> on_widget_selected;
void load_from_file(const String& path);
void write_to_file(const String& path);
void dump();
protected:
virtual void paint_event(GUI::PaintEvent&) override;
virtual void second_paint_event(GUI::PaintEvent&) override;
virtual void mousedown_event(GUI::MouseEvent&) override;
virtual void mousemove_event(GUI::MouseEvent&) override;
virtual void mouseup_event(GUI::MouseEvent&) override;
virtual void context_menu_event(GUI::ContextMenuEvent&) override;
virtual void keydown_event(GUI::KeyEvent&) override;
private:
void grabber_mousedown_event(GUI::MouseEvent&, Direction grabber);
void set_single_selected_widget(VBWidget*);
void add_to_selection(VBWidget&);
void remove_from_selection(VBWidget&);
void delete_selected_widgets();
template<typename Callback>
void for_each_selected_widget(Callback);
void set_cursor_type_from_grabber(Direction grabber);
VBWidget* single_selected_widget();
String m_name;
int m_grid_size { 5 };
bool m_should_snap_to_grid { true };
NonnullRefPtrVector<VBWidget> m_widgets;
HashMap<GUI::Widget*, VBWidget*> m_gwidget_map;
HashTable<VBWidget*> m_selected_widgets;
Gfx::Point m_transform_event_origin;
Gfx::Point m_next_insertion_position;
Direction m_resize_direction { Direction::None };
Direction m_mouse_direction_type { Direction::None };
RefPtr<GUI::Menu> m_context_menu;
};
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