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91 lines
3.5 KiB
C++
91 lines
3.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "VBWidget.h"
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#include <AK/NonnullRefPtrVector.h>
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#include <LibGUI/GWidget.h>
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class VBForm : public GUI::Widget {
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C_OBJECT(VBForm)
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friend class VBWidget;
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public:
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explicit VBForm(const String& name, GUI::Widget* parent = nullptr);
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virtual ~VBForm() override;
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static VBForm* current();
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String name() const { return m_name; }
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void set_name(const String& name) { m_name = name; }
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bool is_selected(const VBWidget&) const;
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VBWidget* widget_at(const Point&);
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void set_should_snap_to_grip(bool snap) { m_should_snap_to_grid = snap; }
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bool should_snap_to_grid() const { return m_should_snap_to_grid; }
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void insert_widget(VBWidgetType);
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Function<void(VBWidget*)> on_widget_selected;
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void load_from_file(const String& path);
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void write_to_file(const String& path);
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void dump();
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protected:
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virtual void paint_event(GUI::PaintEvent&) override;
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virtual void second_paint_event(GUI::PaintEvent&) override;
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virtual void mousedown_event(GUI::MouseEvent&) override;
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virtual void mousemove_event(GUI::MouseEvent&) override;
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virtual void mouseup_event(GUI::MouseEvent&) override;
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virtual void context_menu_event(GUI::ContextMenuEvent&) override;
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virtual void keydown_event(GUI::KeyEvent&) override;
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private:
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void grabber_mousedown_event(GUI::MouseEvent&, Direction grabber);
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void set_single_selected_widget(VBWidget*);
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void add_to_selection(VBWidget&);
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void remove_from_selection(VBWidget&);
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void delete_selected_widgets();
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template<typename Callback>
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void for_each_selected_widget(Callback);
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void set_cursor_type_from_grabber(Direction grabber);
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VBWidget* single_selected_widget();
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String m_name;
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int m_grid_size { 5 };
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bool m_should_snap_to_grid { true };
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NonnullRefPtrVector<VBWidget> m_widgets;
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HashMap<GUI::Widget*, VBWidget*> m_gwidget_map;
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HashTable<VBWidget*> m_selected_widgets;
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Point m_transform_event_origin;
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Point m_next_insertion_position;
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Direction m_resize_direction { Direction::None };
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Direction m_mouse_direction_type { Direction::None };
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RefPtr<GUI::Menu> m_context_menu;
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};
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