92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/*
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NanoGUI was developed by Wenzel Jakob <wenzel.jakob@epfl.ch>.
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The widget drawing code is based on the NanoVG demo application
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by Mikko Mononen.
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE.txt file.
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*/
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/**
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* \file nanogui/combobox.h
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*
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* \brief Simple combo box widget based on a popup button.
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*/
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#pragma once
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#include <nanogui/popupbutton.h>
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NAMESPACE_BEGIN(nanogui)
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/**
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* \class ComboBox combobox.h nanogui/combobox.h
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*
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* \brief Simple combo box widget based on a popup button.
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*/
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class NANOGUI_EXPORT ComboBox : public PopupButton {
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public:
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/// Create an empty combo box
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ComboBox(Widget *parent);
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/// Create a new combo box with the given items
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ComboBox(Widget *parent, const std::vector<std::string> &items);
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/**
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* \brief Create a new combo box with the given items, providing both short and
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* long descriptive labels for each item
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*/
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ComboBox(Widget *parent, const std::vector<std::string> &items,
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const std::vector<std::string> &itemsShort);
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/// The callback to execute for this ComboBox.
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std::function<void(int)> callback() const { return mCallback; }
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/// Sets the callback to execute for this ComboBox.
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void setCallback(const std::function<void(int)> &callback) { mCallback = callback; }
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/// The current index this ComboBox has selected.
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int selectedIndex() const { return mSelectedIndex; }
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/// Sets the current index this ComboBox has selected.
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void setSelectedIndex(int idx);
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/// Sets the items for this ComboBox, providing both short and long descriptive lables for each item.
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void setItems(const std::vector<std::string> &items, const std::vector<std::string> &itemsShort);
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/// Sets the items for this ComboBox.
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void setItems(const std::vector<std::string> &items) { setItems(items, items); }
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/// The items associated with this ComboBox.
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const std::vector<std::string> &items() const { return mItems; }
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/// The short descriptions associated with this ComboBox.
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const std::vector<std::string> &itemsShort() const { return mItemsShort; }
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/// Handles mouse scrolling events for this ComboBox.
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virtual bool scrollEvent(const Vector2i &p, const Vector2f &rel) override;
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/// Saves the state of this ComboBox to the specified Serializer.
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virtual void save(Serializer &s) const override;
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/// Sets the state of this ComboBox from the specified Serializer.
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virtual bool load(Serializer &s) override;
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protected:
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/// The items associated with this ComboBox.
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std::vector<std::string> mItems;
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/// The short descriptions of items associated with this ComboBox.
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std::vector<std::string> mItemsShort;
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/// The callback for this ComboBox.
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std::function<void(int)> mCallback;
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/// The current index this ComboBox has selected.
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int mSelectedIndex;
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public:
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EIGEN_MAKE_ALIGNED_OPERATOR_NEW
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};
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NAMESPACE_END(nanogui)
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