mirror of
https://github.com/RGBCube/serenity
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137 lines
3.9 KiB
C++
137 lines
3.9 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 <AK/HashTable.h>
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#include <LibGUI/ScrollableWidget.h>
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namespace HackStudio {
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class FormWidget;
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class Tool;
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class WidgetTreeModel;
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class FormEditorWidget final : public GUI::ScrollableWidget {
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C_OBJECT(FormEditorWidget)
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public:
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virtual ~FormEditorWidget() override;
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FormWidget& form_widget() { return *m_form_widget; }
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const FormWidget& form_widget() const { return *m_form_widget; }
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Tool& tool() { return *m_tool; }
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const Tool& tool() const { return *m_tool; }
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void set_tool(NonnullOwnPtr<Tool>);
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WidgetTreeModel& model();
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class WidgetSelection {
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public:
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Function<void(GUI::Widget&)> on_remove;
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Function<void(GUI::Widget&)> on_add;
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Function<void()> on_clear;
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void enable_hooks() { m_hooks_enabled = true; }
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void disable_hooks() { m_hooks_enabled = false; }
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bool is_empty() const
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{
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return m_widgets.is_empty();
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}
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bool contains(GUI::Widget& widget) const
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{
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return m_widgets.contains(&widget);
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}
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void toggle(GUI::Widget& widget)
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{
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if (contains(widget))
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remove(widget);
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else
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add(widget);
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}
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void set(GUI::Widget& widget)
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{
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clear();
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add(widget);
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}
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void remove(GUI::Widget& widget)
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{
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ASSERT(m_widgets.contains(&widget));
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m_widgets.remove(&widget);
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if (m_hooks_enabled && on_remove)
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on_remove(widget);
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}
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void add(GUI::Widget& widget)
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{
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m_widgets.set(&widget);
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if (m_hooks_enabled && on_add)
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on_add(widget);
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}
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void clear()
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{
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m_widgets.clear();
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if (m_hooks_enabled && on_clear)
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on_clear();
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}
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template<typename Callback>
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void for_each(Callback callback)
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{
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for (auto& it : m_widgets) {
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if (callback(*it) == IterationDecision::Break)
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break;
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}
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}
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WidgetSelection() { }
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private:
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HashTable<GUI::Widget*> m_widgets;
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bool m_hooks_enabled { true };
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};
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WidgetSelection& selection() { return m_selection; }
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private:
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virtual void paint_event(GUI::PaintEvent&) override;
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FormEditorWidget();
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RefPtr<FormWidget> m_form_widget;
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RefPtr<WidgetTreeModel> m_widget_tree_model;
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NonnullOwnPtr<Tool> m_tool;
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WidgetSelection m_selection;
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};
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}
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