From c568f0a8c9f0aef00c770b494ee1ff3a89ab48de Mon Sep 17 00:00:00 2001 From: rtk0c Date: Sun, 22 May 2022 01:08:24 -0700 Subject: Changeset: 35 Fix missing sources in git submodules after migration to PlasticSCM --- 3rdparty/imguicolortextedit/TextEditor.h | 389 +++++++++++++++++++++++++++++++ 1 file changed, 389 insertions(+) create mode 100644 3rdparty/imguicolortextedit/TextEditor.h (limited to '3rdparty/imguicolortextedit/TextEditor.h') diff --git a/3rdparty/imguicolortextedit/TextEditor.h b/3rdparty/imguicolortextedit/TextEditor.h new file mode 100644 index 0000000..bd52e13 --- /dev/null +++ b/3rdparty/imguicolortextedit/TextEditor.h @@ -0,0 +1,389 @@ +#pragma once + +#include +#include +#include +#include +#include +#include +#include +#include +#include "imgui.h" + +class TextEditor +{ +public: + enum class PaletteIndex + { + Default, + Keyword, + Number, + String, + CharLiteral, + Punctuation, + Preprocessor, + Identifier, + KnownIdentifier, + PreprocIdentifier, + Comment, + MultiLineComment, + Background, + Cursor, + Selection, + ErrorMarker, + Breakpoint, + LineNumber, + CurrentLineFill, + CurrentLineFillInactive, + CurrentLineEdge, + Max + }; + + enum class SelectionMode + { + Normal, + Word, + Line + }; + + struct Breakpoint + { + int mLine; + bool mEnabled; + std::string mCondition; + + Breakpoint() + : mLine(-1) + , mEnabled(false) + {} + }; + + // Represents a character coordinate from the user's point of view, + // i. e. consider an uniform grid (assuming fixed-width font) on the + // screen as it is rendered, and each cell has its own coordinate, starting from 0. + // Tabs are counted as [1..mTabSize] count empty spaces, depending on + // how many space is necessary to reach the next tab stop. + // For example, coordinate (1, 5) represents the character 'B' in a line "\tABC", when mTabSize = 4, + // because it is rendered as " ABC" on the screen. + struct Coordinates + { + int mLine, mColumn; + Coordinates() : mLine(0), mColumn(0) {} + Coordinates(int aLine, int aColumn) : mLine(aLine), mColumn(aColumn) + { + assert(aLine >= 0); + assert(aColumn >= 0); + } + static Coordinates Invalid() { static Coordinates invalid(-1, -1); return invalid; } + + bool operator ==(const Coordinates& o) const + { + return + mLine == o.mLine && + mColumn == o.mColumn; + } + + bool operator !=(const Coordinates& o) const + { + return + mLine != o.mLine || + mColumn != o.mColumn; + } + + bool operator <(const Coordinates& o) const + { + if (mLine != o.mLine) + return mLine < o.mLine; + return mColumn < o.mColumn; + } + + bool operator >(const Coordinates& o) const + { + if (mLine != o.mLine) + return mLine > o.mLine; + return mColumn > o.mColumn; + } + + bool operator <=(const Coordinates& o) const + { + if (mLine != o.mLine) + return mLine < o.mLine; + return mColumn <= o.mColumn; + } + + bool operator >=(const Coordinates& o) const + { + if (mLine != o.mLine) + return mLine > o.mLine; + return mColumn >= o.mColumn; + } + }; + + struct Identifier + { + Coordinates mLocation; + std::string mDeclaration; + }; + + typedef std::string String; + typedef std::unordered_map Identifiers; + typedef std::unordered_set Keywords; + typedef std::map ErrorMarkers; + typedef std::unordered_set Breakpoints; + typedef std::array Palette; + typedef uint8_t Char; + + struct Glyph + { + Char mChar; + PaletteIndex mColorIndex = PaletteIndex::Default; + bool mComment : 1; + bool mMultiLineComment : 1; + bool mPreprocessor : 1; + + Glyph(Char aChar, PaletteIndex aColorIndex) : mChar(aChar), mColorIndex(aColorIndex), + mComment(false), mMultiLineComment(false), mPreprocessor(false) {} + }; + + typedef std::vector Line; + typedef std::vector Lines; + + struct LanguageDefinition + { + typedef std::pair TokenRegexString; + typedef std::vector TokenRegexStrings; + typedef bool(*TokenizeCallback)(const char * in_begin, const char * in_end, const char *& out_begin, const char *& out_end, PaletteIndex & paletteIndex); + + std::string mName; + Keywords mKeywords; + Identifiers mIdentifiers; + Identifiers mPreprocIdentifiers; + std::string mCommentStart, mCommentEnd, mSingleLineComment; + char mPreprocChar; + bool mAutoIndentation; + + TokenizeCallback mTokenize; + + TokenRegexStrings mTokenRegexStrings; + + bool mCaseSensitive; + + LanguageDefinition() + : mPreprocChar('#'), mAutoIndentation(true), mTokenize(nullptr), mCaseSensitive(true) + { + } + + static const LanguageDefinition& CPlusPlus(); + static const LanguageDefinition& HLSL(); + static const LanguageDefinition& GLSL(); + static const LanguageDefinition& C(); + static const LanguageDefinition& SQL(); + static const LanguageDefinition& AngelScript(); + static const LanguageDefinition& Lua(); + }; + + TextEditor(); + ~TextEditor(); + + void SetLanguageDefinition(const LanguageDefinition& aLanguageDef); + const LanguageDefinition& GetLanguageDefinition() const { return mLanguageDefinition; } + + const Palette& GetPalette() const { return mPaletteBase; } + void SetPalette(const Palette& aValue); + + void SetErrorMarkers(const ErrorMarkers& aMarkers) { mErrorMarkers = aMarkers; } + void SetBreakpoints(const Breakpoints& aMarkers) { mBreakpoints = aMarkers; } + + void Render(const char* aTitle, const ImVec2& aSize = ImVec2(), bool aBorder = false); + void SetText(const std::string& aText); + std::string GetText() const; + + void SetTextLines(const std::vector& aLines); + std::vector GetTextLines() const; + + std::string GetSelectedText() const; + std::string GetCurrentLineText()const; + + int GetTotalLines() const { return (int)mLines.size(); } + bool IsOverwrite() const { return mOverwrite; } + + void SetReadOnly(bool aValue); + bool IsReadOnly() const { return mReadOnly; } + bool IsTextChanged() const { return mTextChanged; } + bool IsCursorPositionChanged() const { return mCursorPositionChanged; } + + bool IsColorizerEnabled() const { return mColorizerEnabled; } + void SetColorizerEnable(bool aValue); + + Coordinates GetCursorPosition() const { return GetActualCursorCoordinates(); } + void SetCursorPosition(const Coordinates& aPosition); + + inline void SetHandleMouseInputs (bool aValue){ mHandleMouseInputs = aValue;} + inline bool IsHandleMouseInputsEnabled() const { return mHandleKeyboardInputs; } + + inline void SetHandleKeyboardInputs (bool aValue){ mHandleKeyboardInputs = aValue;} + inline bool IsHandleKeyboardInputsEnabled() const { return mHandleKeyboardInputs; } + + inline void SetImGuiChildIgnored (bool aValue){ mIgnoreImGuiChild = aValue;} + inline bool IsImGuiChildIgnored() const { return mIgnoreImGuiChild; } + + inline void SetShowWhitespaces(bool aValue) { mShowWhitespaces = aValue; } + inline bool IsShowingWhitespaces() const { return mShowWhitespaces; } + + void SetTabSize(int aValue); + inline int GetTabSize() const { return mTabSize; } + + void InsertText(const std::string& aValue); + void InsertText(const char* aValue); + + void MoveUp(int aAmount = 1, bool aSelect = false); + void MoveDown(int aAmount = 1, bool aSelect = false); + void MoveLeft(int aAmount = 1, bool aSelect = false, bool aWordMode = false); + void MoveRight(int aAmount = 1, bool aSelect = false, bool aWordMode = false); + void MoveTop(bool aSelect = false); + void MoveBottom(bool aSelect = false); + void MoveHome(bool aSelect = false); + void MoveEnd(bool aSelect = false); + + void SetSelectionStart(const Coordinates& aPosition); + void SetSelectionEnd(const Coordinates& aPosition); + void SetSelection(const Coordinates& aStart, const Coordinates& aEnd, SelectionMode aMode = SelectionMode::Normal); + void SelectWordUnderCursor(); + void SelectAll(); + bool HasSelection() const; + + void Copy(); + void Cut(); + void Paste(); + void Delete(); + + bool CanUndo() const; + bool CanRedo() const; + void Undo(int aSteps = 1); + void Redo(int aSteps = 1); + + static const Palette& GetDarkPalette(); + static const Palette& GetLightPalette(); + static const Palette& GetRetroBluePalette(); + +private: + typedef std::vector> RegexList; + + struct EditorState + { + Coordinates mSelectionStart; + Coordinates mSelectionEnd; + Coordinates mCursorPosition; + }; + + class UndoRecord + { + public: + UndoRecord() {} + ~UndoRecord() {} + + UndoRecord( + const std::string& aAdded, + const TextEditor::Coordinates aAddedStart, + const TextEditor::Coordinates aAddedEnd, + + const std::string& aRemoved, + const TextEditor::Coordinates aRemovedStart, + const TextEditor::Coordinates aRemovedEnd, + + TextEditor::EditorState& aBefore, + TextEditor::EditorState& aAfter); + + void Undo(TextEditor* aEditor); + void Redo(TextEditor* aEditor); + + std::string mAdded; + Coordinates mAddedStart; + Coordinates mAddedEnd; + + std::string mRemoved; + Coordinates mRemovedStart; + Coordinates mRemovedEnd; + + EditorState mBefore; + EditorState mAfter; + }; + + typedef std::vector UndoBuffer; + + void ProcessInputs(); + void Colorize(int aFromLine = 0, int aCount = -1); + void ColorizeRange(int aFromLine = 0, int aToLine = 0); + void ColorizeInternal(); + float TextDistanceToLineStart(const Coordinates& aFrom) const; + void EnsureCursorVisible(); + int GetPageSize() const; + std::string GetText(const Coordinates& aStart, const Coordinates& aEnd) const; + Coordinates GetActualCursorCoordinates() const; + Coordinates SanitizeCoordinates(const Coordinates& aValue) const; + void Advance(Coordinates& aCoordinates) const; + void DeleteRange(const Coordinates& aStart, const Coordinates& aEnd); + int InsertTextAt(Coordinates& aWhere, const char* aValue); + void AddUndo(UndoRecord& aValue); + Coordinates ScreenPosToCoordinates(const ImVec2& aPosition) const; + Coordinates FindWordStart(const Coordinates& aFrom) const; + Coordinates FindWordEnd(const Coordinates& aFrom) const; + Coordinates FindNextWord(const Coordinates& aFrom) const; + int GetCharacterIndex(const Coordinates& aCoordinates) const; + int GetCharacterColumn(int aLine, int aIndex) const; + int GetLineCharacterCount(int aLine) const; + int GetLineMaxColumn(int aLine) const; + bool IsOnWordBoundary(const Coordinates& aAt) const; + void RemoveLine(int aStart, int aEnd); + void RemoveLine(int aIndex); + Line& InsertLine(int aIndex); + void EnterCharacter(ImWchar aChar, bool aShift); + void Backspace(); + void DeleteSelection(); + std::string GetWordUnderCursor() const; + std::string GetWordAt(const Coordinates& aCoords) const; + ImU32 GetGlyphColor(const Glyph& aGlyph) const; + + void HandleKeyboardInputs(); + void HandleMouseInputs(); + void Render(); + + float mLineSpacing; + Lines mLines; + EditorState mState; + UndoBuffer mUndoBuffer; + int mUndoIndex; + + int mTabSize; + bool mOverwrite; + bool mReadOnly; + bool mWithinRender; + bool mScrollToCursor; + bool mScrollToTop; + bool mTextChanged; + bool mColorizerEnabled; + float mTextStart; // position (in pixels) where a code line starts relative to the left of the TextEditor. + int mLeftMargin; + bool mCursorPositionChanged; + int mColorRangeMin, mColorRangeMax; + SelectionMode mSelectionMode; + bool mHandleKeyboardInputs; + bool mHandleMouseInputs; + bool mIgnoreImGuiChild; + bool mShowWhitespaces; + + Palette mPaletteBase; + Palette mPalette; + LanguageDefinition mLanguageDefinition; + RegexList mRegexList; + + bool mCheckComments; + Breakpoints mBreakpoints; + ErrorMarkers mErrorMarkers; + ImVec2 mCharAdvance; + Coordinates mInteractiveStart, mInteractiveEnd; + std::string mLineBuffer; + uint64_t mStartTime; + + float mLastClick; +}; -- cgit v1.2.3-70-g09d2