136 lines
5.6 KiB
C++
136 lines
5.6 KiB
C++
// Copyright (C) 2017 Jérôme Leclercq
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// This file is part of the "Nazara Development Kit"
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// For conditions of distribution and use, see copyright notice in Prerequisites.hpp
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#pragma once
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#ifndef NDK_WIDGETS_ABSTRACTTEXTAREAWIDGET_HPP
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#define NDK_WIDGETS_ABSTRACTTEXTAREAWIDGET_HPP
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#include <Nazara/Graphics/TextSprite.hpp>
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#include <Nazara/Utility/AbstractTextDrawer.hpp>
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#include <NazaraSDK/BaseWidget.hpp>
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#include <NazaraSDK/Widgets/Enums.hpp>
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#include <functional>
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#include <vector>
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namespace Ndk
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{
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class NDK_API AbstractTextAreaWidget : public BaseWidget
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{
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public:
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using CharacterFilter = std::function<bool(char32_t)>;
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AbstractTextAreaWidget(BaseWidget* parent);
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AbstractTextAreaWidget(const AbstractTextAreaWidget&) = delete;
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AbstractTextAreaWidget(AbstractTextAreaWidget&&) = default;
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~AbstractTextAreaWidget() = default;
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virtual void Clear();
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//virtual TextAreaWidget* Clone() const = 0;
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void EnableLineWrap(bool enable = true);
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inline void EnableMultiline(bool enable = true);
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inline void EnableTabWriting(bool enable = true);
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inline void Erase(std::size_t glyphPosition);
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virtual void Erase(std::size_t firstGlyph, std::size_t lastGlyph) = 0;
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inline void EraseSelection();
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inline const CharacterFilter& GetCharacterFilter() const;
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inline const Nz::Vector2ui& GetCursorPosition() const;
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inline Nz::Vector2ui GetCursorPosition(std::size_t glyphIndex) const;
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inline EchoMode GetEchoMode() const;
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inline std::size_t GetGlyphIndex() const;
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inline std::size_t GetGlyphIndex(const Nz::Vector2ui& cursorPosition) const;
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inline const Nz::String& GetText() const;
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Nz::Vector2ui GetHoveredGlyph(float x, float y) const;
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inline bool HasSelection() const;
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inline bool IsLineWrapEnabled() const;
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inline bool IsMultilineEnabled() const;
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inline bool IsReadOnly() const;
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inline bool IsTabWritingEnabled() const;
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inline void MoveCursor(int offset);
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inline void MoveCursor(const Nz::Vector2i& offset);
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inline Nz::Vector2ui NormalizeCursorPosition(Nz::Vector2ui cursorPosition) const;
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inline void SetCharacterFilter(CharacterFilter filter);
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inline void SetCursorPosition(std::size_t glyphIndex);
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inline void SetCursorPosition(Nz::Vector2ui cursorPosition);
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inline void SetEchoMode(EchoMode echoMode);
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inline void SetReadOnly(bool readOnly = true);
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inline void SetSelection(Nz::Vector2ui fromPosition, Nz::Vector2ui toPosition);
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inline void Write(const Nz::String& text);
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inline void Write(const Nz::String& text, const Nz::Vector2ui& glyphPosition);
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virtual void Write(const Nz::String& text, std::size_t glyphPosition) = 0;
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AbstractTextAreaWidget& operator=(const AbstractTextAreaWidget&) = delete;
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AbstractTextAreaWidget& operator=(AbstractTextAreaWidget&&) = default;
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NazaraSignal(OnTextAreaCursorMove, const AbstractTextAreaWidget* /*textArea*/, Nz::Vector2ui* /*newCursorPosition*/);
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NazaraSignal(OnTextAreaKeyBackspace, const AbstractTextAreaWidget* /*textArea*/, bool* /*ignoreDefaultAction*/);
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NazaraSignal(OnTextAreaKeyDown, const AbstractTextAreaWidget* /*textArea*/, bool* /*ignoreDefaultAction*/);
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NazaraSignal(OnTextAreaKeyEnd, const AbstractTextAreaWidget* /*textArea*/, bool* /*ignoreDefaultAction*/);
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NazaraSignal(OnTextAreaKeyHome, const AbstractTextAreaWidget* /*textArea*/, bool* /*ignoreDefaultAction*/);
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NazaraSignal(OnTextAreaKeyLeft, const AbstractTextAreaWidget* /*textArea*/, bool* /*ignoreDefaultAction*/);
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NazaraSignal(OnTextAreaKeyReturn, const AbstractTextAreaWidget* /*textArea*/, bool* /*ignoreDefaultAction*/);
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NazaraSignal(OnTextAreaKeyRight, const AbstractTextAreaWidget* /*textArea*/, bool* /*ignoreDefaultAction*/);
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NazaraSignal(OnTextAreaKeyUp, const AbstractTextAreaWidget* /*textArea*/, bool* /*ignoreDefaultAction*/);
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NazaraSignal(OnTextAreaSelection, const AbstractTextAreaWidget* /*textArea*/, Nz::Vector2ui* /*start*/, Nz::Vector2ui* /*end*/);
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protected:
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virtual Nz::AbstractTextDrawer& GetTextDrawer() = 0;
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virtual const Nz::AbstractTextDrawer& GetTextDrawer() const = 0;
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void Layout() override;
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virtual void HandleIndentation(bool add) = 0;
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virtual void HandleSelectionIndentation(bool add) = 0;
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virtual void HandleWordCursorMove(bool left) = 0;
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bool IsFocusable() const override;
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void OnFocusLost() override;
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void OnFocusReceived() override;
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bool OnKeyPressed(const Nz::WindowEvent::KeyEvent& key) override;
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void OnKeyReleased(const Nz::WindowEvent::KeyEvent& key) override;
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void OnMouseButtonPress(int /*x*/, int /*y*/, Nz::Mouse::Button button) override;
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void OnMouseButtonRelease(int /*x*/, int /*y*/, Nz::Mouse::Button button) override;
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void OnMouseEnter() override;
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void OnMouseMoved(int x, int y, int deltaX, int deltaY) override;
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void OnTextEntered(char32_t character, bool repeated) override;
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inline void SetCursorPositionInternal(std::size_t glyphIndex);
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inline void SetCursorPositionInternal(Nz::Vector2ui cursorPosition);
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void RefreshCursor();
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virtual void UpdateDisplayText() = 0;
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void UpdateTextSprite();
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CharacterFilter m_characterFilter;
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EchoMode m_echoMode;
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EntityHandle m_cursorEntity;
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EntityHandle m_textEntity;
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Nz::TextSpriteRef m_textSprite;
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Nz::Vector2ui m_cursorPositionBegin;
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Nz::Vector2ui m_cursorPositionEnd;
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Nz::Vector2ui m_selectionCursor;
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std::vector<Nz::SpriteRef> m_cursorSprites;
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bool m_isLineWrapEnabled;
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bool m_isMouseButtonDown;
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bool m_multiLineEnabled;
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bool m_readOnly;
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bool m_tabEnabled; // writes (Shift+)Tab character if set to true
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};
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}
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#include <NazaraSDK/Widgets/AbstractTextAreaWidget.inl>
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#endif // NDK_WIDGETS_ABSTRACTTEXTAREAWIDGET_HPP
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