77 lines
2 KiB
C++
77 lines
2 KiB
C++
#ifndef CODEEDITOR_H
|
|
#define CODEEDITOR_H
|
|
|
|
#include <QPlainTextEdit>
|
|
#include <set>
|
|
#include "util/Colors.h"
|
|
#include "CompletionPopup.h"
|
|
|
|
/** This class adds some capabilities to QPlainTextEdit that are useful
|
|
* in code editor scenarios.
|
|
*/
|
|
class CodeEditor : public QPlainTextEdit
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
explicit CodeEditor(QWidget *parent = nullptr);
|
|
|
|
int gutterAreaWidth();
|
|
|
|
void addErrorMarker(int position, int length);
|
|
void clearErrorMarkers();
|
|
void setFont(const QFont &);
|
|
void setTabSize(int chars);
|
|
|
|
/// Install the function that supplies completions, an empty function disables completion
|
|
void setCompletionCallback(EditorCompletionCallback callback);
|
|
/// Show completions at the cursor, also when nothing has been typed yet
|
|
void showCompletions();
|
|
protected:
|
|
void resizeEvent(QResizeEvent *event) override;
|
|
void keyPressEvent(QKeyEvent *e) override;
|
|
void focusOutEvent(QFocusEvent *e) override;
|
|
void mousePressEvent(QMouseEvent *e) override;
|
|
|
|
signals:
|
|
|
|
public slots:
|
|
|
|
private slots:
|
|
void updateGutterAreaWidth(int newBlockCount);
|
|
void highlightCurrentLine();
|
|
void updateGutterArea(const QRect &, int);
|
|
void onTextChanged();
|
|
|
|
|
|
private:
|
|
QWidget *gutterArea;
|
|
|
|
QTextEdit::ExtraSelection currentLine;
|
|
QList<QTextEdit::ExtraSelection> errorMarkers;
|
|
const ColorTheme &colorTheme;
|
|
|
|
std::set<int> errorLines;
|
|
|
|
EditorCompletionCallback m_completionCallback;
|
|
CompletionPopup *m_completionPopup = nullptr;
|
|
EditorCompletionResult m_completionResult;
|
|
|
|
bool updateCompletions(bool explicitRequest);
|
|
void hideCompletions();
|
|
void acceptCompletion(int row);
|
|
|
|
// Settings
|
|
int m_tabSize = 0; // tabSize in characters
|
|
bool m_useTab = false;
|
|
|
|
bool lineHasError(int blockNumber) const;
|
|
void updateExtraSelections();
|
|
bool indentSelection(bool indent);
|
|
void insertIndentation(QTextCursor &cursor);
|
|
void removeIndentation(QTextCursor &cursor);
|
|
void makeSelection(QTextCursor &cursor, int first_pos, int end_block);
|
|
|
|
friend class GutterPainter;
|
|
};
|
|
|
|
#endif // CODEEDITOR_H
|