59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
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// ----------------------------------------------------------------------------
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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 <functional>
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#include "open3d/visualization/gui/Widget.h"
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namespace open3d {
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namespace visualization {
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namespace gui {
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class TextEdit : public Widget {
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public:
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TextEdit();
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~TextEdit();
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/// Returns the current text value displayed
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const char* GetText() const;
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/// Sets the current text value displayed. Does not call onTextChanged or
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/// onValueChanged.
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void SetText(const char* text);
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/// Returns the text displayed if the text value is empty.
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const char* GetPlaceholderText() const;
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/// Sets the text to display if the text value is empty.
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void SetPlaceholderText(const char* text);
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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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/// Sets the function that is called whenever the text in the widget
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/// changes. This will be called for every keystroke and edit.
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void SetOnTextChanged(std::function<void(const char*)> on_text_changed);
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/// Sets the function that is called whenever the text is the widget
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/// is finished editing via pressing enter or clicking off the widget.
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void SetOnValueChanged(std::function<void(const char*)> on_value_changed);
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protected:
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/// Returns true if new text is valid. Otherwise call SetText() with a
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/// valid value and return false.
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virtual bool ValidateNewText(const char* text);
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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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