WingHexExplorer2/3rdparty/QConsoleWidget/QConsoleWidget.h

129 lines
3.7 KiB
C++

/*==============================================================================
** Copyright (C) 2024-2027 WingSummer
**
** This program is free software: you can redistribute it and/or modify it under
** the terms of the GNU Affero General Public License as published by the Free
** Software Foundation, version 3.
**
** This program is distributed in the hope that it will be useful, but WITHOUT
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
** FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
** details.
**
** You should have received a copy of the GNU Affero General Public License
** along with this program. If not, see <https://www.gnu.org/licenses/>.
** =============================================================================
*/
#ifndef _QCONSOLEWIDGET_H_
#define _QCONSOLEWIDGET_H_
#include <QCompleter>
#include <QTextStream>
#include "WingCodeEdit/wingcodeedit.h"
class QConsoleIODevice;
class QConsoleWidget : public WingCodeEdit {
Q_OBJECT
public:
struct History {
QStringList strings_;
int pos_;
QString token_;
bool active_;
int maxsize_;
History(void);
~History(void);
void add(const QString &str);
const QString &currentValue() const {
return pos_ == -1 ? token_ : strings_.at(pos_);
}
void activate(const QString &tk = QString());
void deactivate() { active_ = false; }
bool isActive() const { return active_; }
bool move(bool dir);
int indexOf(bool dir, int from) const;
};
public:
enum ConsoleMode { Input, Output };
Q_ENUM(ConsoleMode)
enum ConsoleChannel {
StandardInput,
StandardOutput,
StandardError,
nConsoleChannels
};
Q_ENUM(ConsoleChannel)
public:
explicit QConsoleWidget(QWidget *parent = nullptr);
virtual ~QConsoleWidget();
public:
ConsoleMode mode() const;
void setMode(ConsoleMode m);
QIODevice *device() const;
QTextCharFormat channelCharFormat(ConsoleChannel ch) const;
void setChannelCharFormat(ConsoleChannel ch, const QTextCharFormat &fmt);
// write a formatted message to the console
void write(const QString &message, const QTextCharFormat &fmt);
static History &history();
// get the current command line
QString getCommandLine();
virtual void paste();
public slots:
// write to StandardOutput
void writeStdOut(const QString &s);
// write to StandardError
void writeStdErr(const QString &s);
signals:
// fired when user hits the return key
void consoleCommand(const QString &code);
// fired when user enters a Ctrl-Q
void abortEvaluation();
protected:
bool canPaste() const;
bool canCut() const;
virtual void handleReturnKey();
virtual void handleTabKey();
// reimp QPlainTextEdit functions
void keyPressEvent(QKeyEvent *e) override;
void contextMenuEvent(QContextMenuEvent *event) override;
// Returns true if there is a selection in edit zone
bool isSelectionInEditZone() const;
// Returns true if cursor is in edit zone
bool isCursorInEditZone() const;
// replace the command line
void replaceCommandLine(const QString &str);
QString currentCommandLine() const;
protected:
static History history_;
ConsoleMode mode_;
int inpos_;
QString currentMultiLineCode_;
QConsoleIODevice *iodevice_;
QTextCharFormat chanFormat_[nConsoleChannels];
};
QTextStream &waitForInput(QTextStream &s);
QTextStream &inputMode(QTextStream &s);
QTextStream &outChannel(QTextStream &s);
QTextStream &errChannel(QTextStream &s);
#endif