133 lines
3.6 KiB
C++
133 lines
3.6 KiB
C++
#pragma once
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#include <QWidget>
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#include <QPlainTextEdit>
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#include <QColor>
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#include <QHash>
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#include <QVector>
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#include <QSet>
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#include <QStringList>
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#include <QTextCursor>
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class LineNumberArea;
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class CSyntaxHighlighter;
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class CompletionPopup;
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class FindReplaceBar;
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// 每个字符的背景信息
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struct CharBackgroundInfo
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{
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int column = 0; // 这一行中的列号（从 0 开始）
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QColor color;
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qreal alpha = 1.0; // 0.0 ~ 1.0
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};
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// 每一行的背景信息
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struct LineBackgroundInfo
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{
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QColor color;
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qreal alpha = 1.0; // 0.0 ~ 1.0
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};
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// 真正的代码编辑器，继承 QPlainTextEdit
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class CodeEditor : public QPlainTextEdit
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{
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Q_OBJECT
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public:
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explicit CodeEditor(QWidget *parent = nullptr);
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int lineNumberAreaWidth() const;
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// 预留接口：设置行/字符背景（带透明度）
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void setLineBackground(int line, const QColor &color, qreal alpha = 1.0);
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void clearLineBackground(int line);
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void clearAllLineBackgrounds();
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void setCharBackground(int line, int column, const QColor &color, qreal alpha = 1.0);
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void clearCharBackground(int line, int column);
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void clearAllCharBackgrounds();
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// 行号区域的绘制 & 点击
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void lineNumberAreaPaintEvent(QPaintEvent *event);
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void lineNumberAreaMousePressEvent(QMouseEvent *event);
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void searchNext(const QString &text);
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signals:
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// 断点状态变化（暂时只发信号，不做具体逻辑）
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void breakpointToggled(int line, bool enabled);
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protected:
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void resizeEvent(QResizeEvent *event) override;
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void keyPressEvent(QKeyEvent *event) override;
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private slots:
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void updateLineNumberAreaWidth(int newBlockCount);
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void updateLineNumberArea(const QRect &rect, int dy);
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void highlightCurrentLine();
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// ✅ 新增：来自联想窗口的补全插入
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void insertCompletion(const QString &completion);
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private:
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void refreshExtraSelections();
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void handleReturnKey(QKeyEvent *event);
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void toggleBreakpoint(int line);
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// ✅ 新增：联想相关辅助函数
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void initCompletion();
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void showCompletion(const QString &prefix);
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void hideCompletion();
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QString wordUnderCursor() const;
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void rebuildSearchMatches();
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void applySearchHighlights();
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private:
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LineNumberArea *m_lineNumberArea = nullptr;
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CSyntaxHighlighter *m_highlighter = nullptr;
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QSet<int> m_breakpoints;
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QHash<int, LineBackgroundInfo> m_lineBackgrounds;
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QHash<int, QVector<CharBackgroundInfo>> m_charBackgrounds;
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// ✅ 新增：联想窗口和候选词列表
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CompletionPopup *m_completionPopup = nullptr;
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QStringList m_completionWords;
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QString m_searchText;
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QVector<QTextCursor> m_searchMatches;
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int m_currentMatchIndex = -1;
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};
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// 对外仍然叫 CodeEditorWidget，内部包一个 CodeEditor
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class CodeEditorWidget : public QWidget
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{
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Q_OBJECT
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public:
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explicit CodeEditorWidget(QWidget *parent = nullptr);
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void loadFromFile(const QString &filePath);
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bool save();
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bool saveAs(const QString &filePath);
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QString currentText() const;
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void clearEditor();
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// 代理到内部 CodeEditor 的接口（以后你可以直接拿来做可视化用）
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void setLineBackground(int line, const QColor &color, qreal alpha = 1.0);
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void clearLineBackground(int line);
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void setCharBackground(int line, int column, const QColor &color, qreal alpha = 1.0);
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void clearCharBackground(int line, int column);
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private:
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CodeEditor *m_editor = nullptr;
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QString m_currentFilePath;
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FindReplaceBar *m_findBar = nullptr;
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};
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