64 lines
2.1 KiB
C++
Executable File
64 lines
2.1 KiB
C++
Executable File
// ----------------------------------------------------------------------------
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// - Open3D: www.open3d.org -
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// ----------------------------------------------------------------------------
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// Copyright (c) 2018-2023 www.open3d.org
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// SPDX-License-Identifier: MIT
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// ----------------------------------------------------------------------------
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#pragma once
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#include "open3d/visualization/gui/Widget.h"
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#include <functional>
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#include "open3d/visualization/gui/UIImage.h"
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namespace open3d {
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namespace visualization {
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namespace gui {
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class Button : public Widget {
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public:
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explicit Button(const char* title);
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explicit Button(std::shared_ptr<UIImage> image);
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~Button();
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/// Returns the text of the button. If the button is an image, will return
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/// "".
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const char* GetText() const;
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/// Sets the text of the button. Do not call if this is an image button.
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void SetText(const char* text);
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/// Returns the padding, in units of ems
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float GetHorizontalPaddingEm() const;
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float GetVerticalPaddingEm() const;
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/// Sets the padding, in units of ems. Note that for text buttons, a
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/// padding of (0, 0) will not actually give a padding of 0, there will
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/// be a small padding because having zero padding looks horrible and
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/// because this way a vertical padding of zero is exactly the same
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/// size as a text row, which means the button is the same size as the
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/// the other text-based widgets, so it will look nice with them.
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void SetPaddingEm(float horiz_ems, float vert_ems);
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bool GetIsToggleable() const;
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void SetToggleable(bool toggles);
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bool GetIsOn() const;
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void SetOn(bool is_on);
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Size CalcPreferredSize(const LayoutContext& context,
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const Constraints& constraints) const override;
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DrawResult Draw(const DrawContext& context) override;
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void SetOnClicked(std::function<void()> on_clicked);
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private:
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struct Impl;
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std::unique_ptr<Impl> impl_;
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};
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} // namespace gui
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} // namespace visualization
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} // namespace open3d
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