402 lines
13 KiB
C++
402 lines
13 KiB
C++
/*
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* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef EDITOR_H
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#define EDITOR_H
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#include <QObject>
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#include <utils.h>
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#include <QTabWidget>
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#include "qsynedit/SynEdit.h"
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#include "colorscheme.h"
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#include "common.h"
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#include "parser/cppparser.h"
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#include "widgets/codecompletionpopup.h"
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#include "widgets/headercompletionpopup.h"
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#define USER_CODE_IN_INSERT_POS "%INSERT%"
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#define USER_CODE_IN_REPL_POS_BEGIN "%REPL_BEGIN%"
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#define USER_CODE_IN_REPL_POS_END "%REPL_END%"
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struct TabStop {
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int x;
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int endX;
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int y;
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};
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using PTabStop = std::shared_ptr<TabStop>;
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class SaveException: public std::exception {
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public:
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explicit SaveException(const QString& reason);
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explicit SaveException(const QString&& reason);
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// exception interface
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const QString& reason() const noexcept;
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public:
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const char *what() const noexcept override;
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private:
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QString mReason;
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QByteArray mReasonBuffer;
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};
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class Editor : public QSynedit::SynEdit
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{
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Q_OBJECT
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public:
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enum class LastSymbolType {
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Identifier,
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ScopeResolutionOperator, //'::'
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ObjectMemberOperator, //'.'
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PointerMemberOperator, //'->'
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PointerToMemberOfObjectOperator, //'.*'
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PointerToMemberOfPointerOperator, //'->*'
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MatchingBracket,
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BracketMatched,
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MatchingParenthesis,
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ParenthesisMatched,
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TildeSign, // '~'
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AsteriskSign, // '*'
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AmpersandSign, // '&'
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MatchingAngleQuotation,
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AngleQuotationMatched,
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None
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};
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enum MarginNumber {
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LineNumberMargin = 0,
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MarkerMargin = 1,
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FoldMargin = 2,
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};
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enum MarkerNumber {
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BreakpointMarker,
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ErrorMarker,
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WarningMarker
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};
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enum class QuoteStatus {
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NotQuote,
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SingleQuote,
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SingleQuoteEscape,
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DoubleQuote,
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DoubleQuoteEscape,
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RawString,
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RawStringNoEscape
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};
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enum class WordPurpose {
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wpCompletion, // walk backwards over words, array, functions, parents, no forward movement
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wpEvaluation, // walk backwards over words, array, functions, parents, forwards over words, array
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wpHeaderCompletion, // walk backwards over path
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wpHeaderCompletionStart, // walk backwards over path, including start '<' or '"'
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wpDirective, // preprocessor
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wpJavadoc, //javadoc
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wpInformation // walk backwards over words, array, functions, parents, forwards over words
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};
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enum class TipType {
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Preprocessor, // cursor hovers above preprocessor line
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Identifier, // cursor hovers above identifier
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Selection, // cursor hovers above selection
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None, // mouseover not allowed
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Error //Cursor hovers above error line/item;
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};
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struct SyntaxIssue {
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int col;
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int endCol;
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int startChar;
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int endChar;
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CompileIssueType issueType;
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QString token;
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QString hint;
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};
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using PSyntaxIssue = std::shared_ptr<SyntaxIssue>;
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using SyntaxIssueList = QVector<PSyntaxIssue>;
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using PSyntaxIssueList = std::shared_ptr<SyntaxIssueList>;
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explicit Editor(QWidget *parent);
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explicit Editor(QWidget *parent, const QString& filename,
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const QByteArray& encoding,
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bool inProject, bool isNew,QTabWidget* parentPageControl);
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~Editor();
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//tell the compiler to prohibit copy/moving editor objects ( we should only use pointers to the editor object)
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Editor(const Editor&) = delete;
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Editor(const Editor&&) = delete;
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Editor& operator=(const Editor&) = delete;
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Editor& operator=(const Editor&&) = delete;
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const QByteArray& encodingOption() const noexcept;
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void setEncodingOption(const QByteArray& encoding) noexcept;
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const QByteArray& fileEncoding() const noexcept;
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void convertToEncoding(const QByteArray& encoding);
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const QString& filename() const noexcept;
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bool inProject() const noexcept;
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bool isNew() const noexcept;
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void loadFile(QString filename = "");
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void saveFile(QString filename);
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bool save(bool force=false, bool reparse=true);
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bool saveAs(const QString& name="", bool fromProject = false);
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void activate();
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QTabWidget* pageControl() noexcept;
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void setPageControl(QTabWidget* newPageControl);
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void updateCaption(const QString& newCaption=QString());
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void applySettings();
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void applyColorScheme(const QString& schemeName);
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void copyToClipboard() override;
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void cutToClipboard() override;
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void copyAsHTML();
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void setCaretPosition(int line,int aChar);
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void setCaretPositionAndActivate(int line,int aChar);
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void addSyntaxIssues(int line, int startChar, int endChar, CompileIssueType errorType, const QString& hint);
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void clearSyntaxIssues();
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void gotoNextSyntaxIssue();
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void gotoPrevSyntaxIssue();
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bool hasPrevSyntaxIssue() const;
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bool hasNextSyntaxIssue() const;
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PSyntaxIssueList getSyntaxIssuesAtLine(int line);
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PSyntaxIssue getSyntaxIssueAtPosition(const QSynedit::BufferCoord& pos);
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int gutterClickedLine() const;
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void toggleBreakpoint(int line);
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void clearBreakpoints();
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bool hasBreakpoint(int line);
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void addBookmark(int line,const QString& description);
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void removeBookmark(int line);
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bool hasBookmark(int line);
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void clearBookmarks();
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void removeBreakpointFocus();
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void modifyBreakpointProperty(int line);
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void setActiveBreakpointFocus(int Line, bool setFocus=true);
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QString getPreviousWordAtPositionForSuggestion(const QSynedit::BufferCoord& p);
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void reformat();
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void checkSyntaxInBack();
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void gotoDeclaration(const QSynedit::BufferCoord& pos);
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void gotoDefinition(const QSynedit::BufferCoord& pos);
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void reparse();
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void reparseTodo();
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void insertString(const QString& value, bool moveCursor);
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void insertCodeSnippet(const QString& code);
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void print();
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void exportAsRTF(const QString& rtfFilename);
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void exportAsHTML(const QString& htmlFilename);
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void resetBreakpoints();
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bool notParsed();
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void insertLine();
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void deleteWord();
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void deleteToWordStart();
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void deleteToWordEnd();
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void deleteLine();
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void duplicateLine();
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void deleteToEOL();
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void deleteToBOL();
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QStringList getOwnerExpressionAndMemberAtPositionForCompletion(
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const QSynedit::BufferCoord& pos,
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QString& memberOperator,
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QStringList& memberExpression);
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QString getWordForCompletionSearch(const QSynedit::BufferCoord& pos,bool permitTilde);
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QStringList getExpressionAtPosition(
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const QSynedit::BufferCoord& pos);
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const PCppParser &parser();
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void tab() override;
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signals:
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void renamed(const QString& oldName, const QString& newName, bool firstSave);
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void fileSaved(const QString& filename, bool inProject);
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private slots:
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void onStatusChanged(QSynedit::SynStatusChanges changes);
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void onGutterClicked(Qt::MouseButton button, int x, int y, int line);
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void onTipEvalValueReady(const QString& value);
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void onLinesDeleted(int first,int count);
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void onLinesInserted(int first,int count);
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void onFunctionTipsTimer();
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private:
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bool isBraceChar(QChar ch);
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void resetBookmarks();
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QChar getCurrentChar();
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bool handleSymbolCompletion(QChar key);
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bool handleParentheseCompletion();
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bool handleParentheseSkip();
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bool handleBracketCompletion();
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bool handleBracketSkip();
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bool handleMultilineCommentCompletion();
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bool handleBraceCompletion();
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bool handleBraceSkip();
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bool handleSingleQuoteCompletion();
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bool handleDoubleQuoteCompletion();
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bool handleGlobalIncludeCompletion();
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bool handleGlobalIncludeSkip();
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bool handleCodeCompletion(QChar key);
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void initParser();
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void undoSymbolCompletion(int pos);
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QuoteStatus getQuoteStatus();
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void showCompletion(const QString& preWord, bool autoComplete);
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void showHeaderCompletion(bool autoComplete, bool forceShow=false);
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bool testInFunc(int x,int y);
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void completionInsert(bool appendFunc=false);
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void headerCompletionInsert();
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bool onCompletionKeyPressed(QKeyEvent* event);
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bool onHeaderCompletionKeyPressed(QKeyEvent* event);
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bool onCompletionInputMethod(QInputMethodEvent *event);
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TipType getTipType(QPoint point, QSynedit::BufferCoord& pos);
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void cancelHint();
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QString getFileHint(const QString& s);
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QString getParserHint(const QStringList& expression,const QString& s, int line);
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void showDebugHint(const QString& s,int line);
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QString getErrorHint(const PSyntaxIssue& issue);
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QString getHintForFunction(const PStatement& statement,
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const QString& filename, int line);
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void updateFunctionTip(bool showTip);
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void clearUserCodeInTabStops();
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void popUserCodeInTabStops();
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void onExportedFormatToken(QSynedit::PSynHighlighter syntaxHighlighter, int Line, int column, const QString& token,
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QSynedit::PSynHighlighterAttribute &attr);
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void onScrollBarValueChanged();
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private:
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QByteArray mEncodingOption; // the encoding type set by the user
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QByteArray mFileEncoding; // the real encoding of the file (auto detected)
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QString mFilename;
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QTabWidget* mParentPageControl;
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bool mInProject;
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bool mIsNew;
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QMap<int,PSyntaxIssueList> mSyntaxIssues;
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QColor mSyntaxErrorColor;
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QColor mSyntaxWarningColor;
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QColor mActiveBreakpointForegroundColor;
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QColor mActiveBreakpointBackgroundColor;
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QColor mBreakpointForegroundColor;
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QColor mBreakpointBackgroundColor;
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QColor mCurrentHighlighWordForeground;
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QColor mCurrentHighlighWordBackground;
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int mSyntaxErrorLine;
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int mLineCount;
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int mGutterClickedLine;
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QSet<int> mBreakpointLines;
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QSet<int> mBookmarkLines;
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int mActiveBreakpointLine;
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PCppParser mParser;
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std::shared_ptr<CodeCompletionPopup> mCompletionPopup;
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std::shared_ptr<HeaderCompletionPopup> mHeaderCompletionPopup;
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int mLastIdCharPressed;
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bool mUseCppSyntax;
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QString mCurrentWord;
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QString mCurrentDebugTipWord;
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TipType mCurrentTipType;
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QString mOldHighlightedWord;
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QString mCurrentHighlightedWord;
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QDateTime mHideTime;
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bool mSaving;
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bool mCurrentLineModified;
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int mXOffsetSince;
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int mTabStopBegin;
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int mTabStopEnd;
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int mTabStopY;
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bool mCanAutoSave;
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QString mLineBeforeTabStop;
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QString mLineAfterTabStop;
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QList<PTabStop> mUserCodeInTabStops;
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QSynedit::BufferCoord mHighlightCharPos1;
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QSynedit::BufferCoord mHighlightCharPos2;
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std::shared_ptr<QHash<StatementKind, std::shared_ptr<ColorSchemeItem> > > mStatementColors;
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QTimer mFunctionTipTimer;
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int mHoverModifiedLine;
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// QWidget interface
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protected:
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void wheelEvent(QWheelEvent *event) override;
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void focusInEvent(QFocusEvent *event) override;
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void focusOutEvent(QFocusEvent *event) override;
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void keyPressEvent(QKeyEvent *event) override;
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// SynEdit interface
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protected:
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void onGutterPaint(QPainter &painter, int aLine, int X, int Y) override;
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void onGetEditingAreas(int Line, QSynedit::SynEditingAreaList &areaList) override;
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// SynEdit interface
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protected:
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bool onGetSpecialLineColors(int Line, QColor &foreground, QColor &backgroundColor) override;
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// SynEdit interface
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protected:
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void onPreparePaintHighlightToken(int line, int aChar, const QString &token, QSynedit::PSynHighlighterAttribute attr, QSynedit::SynFontStyles &style, QColor &foreground, QColor &background) override;
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// QObject interface
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public:
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bool event(QEvent *event) override;
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// QWidget interface
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void setInProject(bool newInProject);
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bool useCppSyntax() const;
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void setUseCppSyntax(bool newUseCppSyntax);
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const std::shared_ptr<QHash<StatementKind, std::shared_ptr<ColorSchemeItem> > > &statementColors() const;
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void setStatementColors(const std::shared_ptr<QHash<StatementKind, std::shared_ptr<ColorSchemeItem> > > &newStatementColors);
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const QDateTime &hideTime() const;
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void setHideTime(const QDateTime &newHideTime);
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bool canAutoSave() const;
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void setCanAutoSave(bool newCanAutoSave);
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protected:
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void mouseReleaseEvent(QMouseEvent *event) override;
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void inputMethodEvent(QInputMethodEvent *) override;
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void closeEvent(QCloseEvent *event) override;
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// QWidget interface
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protected:
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void showEvent(QShowEvent *event) override;
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void hideEvent(QHideEvent *event) override;
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// QWidget interface
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protected:
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void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
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};
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QString getWordAtPosition(QSynedit::SynEdit* editor,
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const QSynedit::BufferCoord& p,
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QSynedit::BufferCoord& pWordBegin,
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QSynedit::BufferCoord& pWordEnd,
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Editor::WordPurpose purpose);
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#endif // EDITOR_H
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