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qtermwidget-packaging/lib/qtermwidget.h

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/* Copyright (C) 2008 e_k (e_k@users.sourceforge.net)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _Q_TERM_WIDGET
#define _Q_TERM_WIDGET
#include <QWidget>
#include "Filter.h"
class QVBoxLayout;
struct TermWidgetImpl;
class SearchBar;
class QUrl;
class QTermWidget : public QWidget {
Q_OBJECT
public:
enum ScrollBarPosition {
/** Do not show the scroll bar. */
NoScrollBar=0,
/** Show the scroll bar on the left side of the display. */
ScrollBarLeft=1,
/** Show the scroll bar on the right side of the display. */
ScrollBarRight=2
};
//Creation of widget
QTermWidget(int startnow, // 1 = start shell programm immediatelly
QWidget * parent = 0);
// A dummy constructor for Qt Designer. startnow is 1 by default
QTermWidget(QWidget *parent = 0);
virtual ~QTermWidget();
//Initial size
QSize sizeHint() const;
//start shell program if it was not started in constructor
void startShellProgram();
/**
* Start terminal teletype as is
* and redirect data for external recipient.
* It can be used for display and control a remote terminal.
*/
void startTerminalTeletype();
int getShellPID();
void changeDir(const QString & dir);
//look-n-feel, if you don`t like defaults
// Terminal font
// Default is application font with family Monospace, size 10
// Beware of a performance penalty and display/alignment issues when using a proportional font.
void setTerminalFont(const QFont & font);
QFont getTerminalFont();
void setTerminalOpacity(qreal level);
//environment
void setEnvironment(const QStringList & environment);
// Shell program, default is /bin/bash
void setShellProgram(const QString & progname);
//working directory
void setWorkingDirectory(const QString & dir);
QString workingDirectory();
// Shell program args, default is none
void setArgs(const QStringList & args);
//Text codec, default is UTF-8
void setTextCodec(QTextCodec * codec);
/** @brief Sets the color scheme, default is white on black
*
* @param[in] name The name of the color scheme, either returned from
* availableColorSchemes() or a full path to a color scheme.
*/
void setColorScheme(const QString & name);
static QStringList availableColorSchemes();
// History size for scrolling
void setHistorySize(int lines); //infinite if lines < 0
// Presence of scrollbar
void setScrollBarPosition(ScrollBarPosition);
// Wrapped, scroll to end.
void scrollToEnd();
// Send some text to terminal
void sendText(const QString & text);
// Sets whether flow control is enabled
void setFlowControlEnabled(bool enabled);
// Returns whether flow control is enabled
bool flowControlEnabled(void);
/**
* Sets whether the flow control warning box should be shown
* when the flow control stop key (Ctrl+S) is pressed.
*/
void setFlowControlWarningEnabled(bool enabled);
/*! Get all available keyboard bindings
*/
static QStringList availableKeyBindings();
//! Return current key bindings
QString keyBindings();
void setMotionAfterPasting(int);
/** Return the number of lines in the history buffer. */
int historyLinesCount();
int screenColumnsCount();
int screenLinesCount();
void setSelectionStart(int row, int column);
void setSelectionEnd(int row, int column);
void getSelectionStart(int& row, int& column);
void getSelectionEnd(int& row, int& column);
/**
* Returns the currently selected text.
* @param preserveLineBreaks Specifies whether new line characters should
* be inserted into the returned text at the end of each terminal line.
*/
QString selectedText(bool preserveLineBreaks = true);
void setMonitorActivity(bool);
void setMonitorSilence(bool);
void setSilenceTimeout(int seconds);
/** Returns the available hotspot for the given point \em pos.
*
* This method may return a nullptr if no hotspot is available.
*
* @param[in] pos The point of interest in the QTermWidget coordinates.
* @return Hotspot for the given position, or nullptr if no hotspot.
*/
Filter::HotSpot* getHotSpotAt(const QPoint& pos) const;
/** Returns the available hotspots for the given row and column.
*
* @return Hotspot for the given position, or nullptr if no hotspot.
*/
Filter::HotSpot* getHotSpotAt(int row, int column) const;
/**
* Returns a pty slave file descriptor.
* This can be used for display and control
* a remote terminal.
*/
int getPtySlaveFd() const;
signals:
void finished();
void copyAvailable(bool);
void termGetFocus();
void termLostFocus();
void termKeyPressed(QKeyEvent *);
void urlActivated(const QUrl&);
void bell(const QString& message);
void activity();
void silence();
/**
* Emitted when emulator send data to the terminal process
* (redirected for external recipient). It can be used for
* control and display the remote terminal.
*/
void sendData(const char *,int);
public slots:
// Copy selection to clipboard
void copyClipboard();
// Paste clipboard to terminal
void pasteClipboard();
// Paste selection to terminal
void pasteSelection();
// Set zoom
void zoomIn();
void zoomOut();
// Set size
void setSize(const QSize &);
/*! Set named key binding for given widget
*/
void setKeyBindings(const QString & kb);
/*! Clear the terminal content and move to home position
*/
void clear();
void toggleShowSearchBar();
protected:
virtual void resizeEvent(QResizeEvent *);
protected slots:
void sessionFinished();
void selectionChanged(bool textSelected);
private slots:
void find();
void findNext();
void findPrevious();
void matchFound(int startColumn, int startLine, int endColumn, int endLine);
void noMatchFound();
private:
void search(bool forwards, bool next);
void setZoom(int step);
void init(int startnow);
TermWidgetImpl * m_impl;
SearchBar* m_searchBar;
QVBoxLayout *m_layout;
};
//Maybe useful, maybe not
#ifdef __cplusplus
extern "C"
#endif
void * createTermWidget(int startnow, void * parent);
#endif