90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
/*
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nanogui/button.h -- [Normal/Toggle/Radio/Popup] Button widget
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NanoGUI was developed by Wenzel Jakob <wenzel@inf.ethz.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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#pragma once
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#include <nanogui/widget.h>
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NAMESPACE_BEGIN(nanogui)
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class NANOGUI_EXPORT Button : public Widget {
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public:
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/// Flags to specify the button behavior (can be combined with binary OR)
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enum Flags {
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NormalButton = 1,
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RadioButton = 2,
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ToggleButton = 4,
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PopupButton = 8
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};
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enum class IconPosition {
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Left,
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LeftCentered,
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RightCentered,
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Right
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};
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Button(Widget *parent, const std::string &caption = "Untitled", int icon = 0);
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const std::string &caption() const { return mCaption; }
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void setCaption(const std::string &caption) { mCaption = caption; }
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const Color &backgroundColor() const { return mBackgroundColor; }
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void setBackgroundColor(const Color &backgroundColor) { mBackgroundColor = backgroundColor; }
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const Color &textColor() const { return mTextColor; }
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void setTextColor(const Color &textColor) { mTextColor = textColor; }
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int icon() const { return mIcon; }
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void setIcon(int icon) { mIcon = icon; }
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int flags() const { return mFlags; }
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void setFlags(int buttonFlags) { mFlags = buttonFlags; }
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IconPosition iconPosition() const { return mIconPosition; }
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void setIconPosition(IconPosition iconPosition) { mIconPosition = iconPosition; }
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bool pushed() const { return mPushed; }
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void setPushed(bool pushed) { mPushed = pushed; }
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/// Set the push callback (for any type of button)
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std::function<void()> callback() const { return mCallback; }
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void setCallback(const std::function<void()> &callback) { mCallback = callback; }
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/// Set the change callback (for toggle buttons)
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std::function<void(bool)> changeCallback() const { return mChangeCallback; }
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void setChangeCallback(const std::function<void(bool)> &callback) { mChangeCallback = callback; }
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/// Set the button group (for radio buttons)
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void setButtonGroup(const std::vector<Button *> &buttonGroup) { mButtonGroup = buttonGroup; }
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const std::vector<Button *> &buttonGroup() const { return mButtonGroup; }
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virtual Vector2i preferredSize(NVGcontext *ctx) const;
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virtual bool mouseButtonEvent(const Vector2i &p, int button, bool down, int modifiers);
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virtual void draw(NVGcontext *ctx);
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virtual void save(Serializer &s) const;
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virtual bool load(Serializer &s);
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protected:
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std::string mCaption;
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int mIcon;
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IconPosition mIconPosition;
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bool mPushed;
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int mFlags;
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Color mBackgroundColor;
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Color mTextColor;
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std::function<void()> mCallback;
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std::function<void(bool)> mChangeCallback;
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std::vector<Button *> mButtonGroup;
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};
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NAMESPACE_END(nanogui)
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