commandpanel.ui

  commandwidget.ui

if (WIN32)

  qt5_add_resources(RES_FILES misc/icons.qrc misc/winicons.qrc)

else (WIN32)

  qt5_add_resources(RES_FILES misc/icons.qrc)

endif (WIN32)

  commandpanel.cpp

  commandwidget.cpp

  commandedit.cpp

/*

  Copyright © 2015 Hasan Yavuz Özderya

  This file is part of serialplot.

  serialplot is free software: you can redistribute it and/or modify

  it under the terms of the GNU General Public License as published by

  the Free Software Foundation, either version 3 of the License, or

  (at your option) any later version.

  serialplot 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 General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#include <QKeyEvent>

#include <QtDebug>

#include "commandedit.h"

class HexCommandValidator : public QRegExpValidator

{

public:

    explicit HexCommandValidator(QObject* parent = 0);

    QValidator::State validate(QString & input, int & pos) const;

};

HexCommandValidator::HexCommandValidator(QObject* parent) :

    QRegExpValidator(parent)

{

    QRegExp regExp("^(?:(?:[0-9A-F]{2}[ ])+(?:[0-9A-F]{2}))|(?:[0-9A-F]{2})$");

    setRegExp(regExp);

}

QValidator::State HexCommandValidator::validate(QString & input, int & pos) const

{

    input = input.toUpper();

    // don't let pos to be altered at this stage

    int orgPos = pos;

    auto r = QRegExpValidator::validate(input, pos);

    pos = orgPos;

    // try fixing up spaces

    if (r != QValidator::Acceptable)

    {

        input = input.replace(" ", "");

        input.replace(QRegExp("([0-9A-F]{2}(?!$))"), "\\1 ");

        if (pos == input.size()-1) pos = input.size();

        r = QRegExpValidator::validate(input, pos);

    }

    return r;

}

CommandEdit::CommandEdit(QWidget *parent) :

    QLineEdit(parent)

{

    hexValidator = new HexCommandValidator(this);

    asciiValidator = new QRegExpValidator(QRegExp("[\\x0000-\\x007F]+"));

    ascii_mode = true;

    setValidator(asciiValidator);

}

CommandEdit::~CommandEdit()

{

    delete hexValidator;

}

QString unEscape(QString str);

QString escape(QString str);

void CommandEdit::setMode(bool ascii)

{

    ascii_mode = ascii;

    if (ascii)

    {

        setValidator(asciiValidator);

        auto hexText = text().remove(" ");

        // try patching HEX string in case of missing nibble so that

        // input doesn't turn into gibberish

        if (hexText.size() % 2 == 1)

        {

            hexText.replace(hexText.size()-1, 1, "3F"); // 0x3F = '?'

            qWarning() << "Broken byte in hex command is replaced. Check your command!";

        }

        setText(escape(QByteArray::fromHex(hexText.toLatin1())));

    }

    else

    {

        setValidator(hexValidator);

        setText(unEscape(text()).toLatin1().toHex());

    }

}

void CommandEdit::keyPressEvent(QKeyEvent * event)

{

    if (ascii_mode)

    {

        QLineEdit::keyPressEvent(event);

        return;

    }

    if (event->key() == Qt::Key_Backspace && !hasSelectedText())

    {

        int cursor = cursorPosition();

        if (cursor != 0 && text()[cursor-1] == ' ')

        {

            setCursorPosition(cursor-1);

        }

    }

    QLineEdit::keyPressEvent(event);

}

QString CommandEdit::unEscapedText()

{

    return unEscape(text());

}

QString unEscape(QString str)

{

    str.replace("\\n", "\n");

    str.replace("\\r", "\r");

    str.replace("\\t", "\t");

    return str;

}

QString escape(QString str)

{

    str.replace("\n", "\\n");

    str.replace("\r", "\\r");

    str.replace("\t", "\\t");

    return str;

}

/*

  Copyright © 2015 Hasan Yavuz Özderya

  This file is part of serialplot.

  serialplot is free software: you can redistribute it and/or modify

  it under the terms of the GNU General Public License as published by

  the Free Software Foundation, either version 3 of the License, or

  (at your option) any later version.

  serialplot 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 General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef COMMANDEDIT_H

#define COMMANDEDIT_H

#include <QLineEdit>

#include <QValidator>

#include <QString>

class CommandEdit : public QLineEdit

{

    Q_OBJECT

public:

    explicit CommandEdit(QWidget *parent = 0);

    ~CommandEdit();

    void setMode(bool ascii); // true = ascii, false = hex

    QString unEscapedText(); // return unescaped text(), used in ascii_mode only

private:

    bool ascii_mode;

    QValidator* hexValidator;

    QValidator* asciiValidator;

protected:

    void keyPressEvent(QKeyEvent * event) Q_DECL_OVERRIDE;

};

#endif // COMMANDEDIT_H

/*

  Copyright © 2015 Hasan Yavuz Özderya

  This file is part of serialplot.

  serialplot is free software: you can redistribute it and/or modify

  it under the terms of the GNU General Public License as published by

  the Free Software Foundation, either version 3 of the License, or

  (at your option) any later version.

  serialplot 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 General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#include "commandpanel.h"

#include "ui_commandpanel.h"

#include <QByteArray>

#include <QtDebug>

CommandPanel::CommandPanel(QSerialPort* port, QWidget *parent) :

    QWidget(parent),

    ui(new Ui::CommandPanel)

{

    serialPort = port;

    ui->setupUi(this);

    ui->scrollAreaWidgetContents->setLayout(new QVBoxLayout);

#ifdef Q_OS_WIN

    ui->pbNew->setIcon(QIcon(":/icons/list-add"));

#endif // Q_OS_WIN

    connect(ui->pbNew, &QPushButton::clicked, this, &CommandPanel::newCommand);

    newCommand(); // add an empty slot by default

}

CommandPanel::~CommandPanel()

{

    delete ui;

}

void CommandPanel::newCommand()

{

    auto command = new CommandWidget();

    ui->scrollAreaWidgetContents->layout()->addWidget(command);

    connect(command, &CommandWidget::sendCommand, this, &CommandPanel::sendCommand);

}

void CommandPanel::sendCommand(QByteArray command)

{

    if (!serialPort->isOpen())

    {

        qCritical() << "Port is not open!";

        return;

    }

    if (serialPort->write(command) < 0)

    {

        qCritical() << "Send command failed!";

    }

}

/*

  Copyright © 2015 Hasan Yavuz Özderya

  This file is part of serialplot.

  serialplot is free software: you can redistribute it and/or modify

  it under the terms of the GNU General Public License as published by

  the Free Software Foundation, either version 3 of the License, or

  (at your option) any later version.

  serialplot 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 General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef COMMANDPANEL_H

#define COMMANDPANEL_H

#include <QWidget>

#include <QSerialPort>

#include <QByteArray>

#include "commandwidget.h"

namespace Ui {

class CommandPanel;

}

class CommandPanel : public QWidget

{

    Q_OBJECT

public:

    explicit CommandPanel(QSerialPort* port, QWidget *parent = 0);

    ~CommandPanel();

private:

    Ui::CommandPanel *ui;

    QSerialPort* serialPort;

private slots:

    void newCommand();

    void sendCommand(QByteArray command);

};

#endif // COMMANDPANEL_H

<?xml version="1.0" encoding="UTF-8"?>

<ui version="4.0">

 <class>CommandPanel</class>

 <widget class="QWidget" name="CommandPanel">

  <property name="geometry">

   <rect>

    <x>0</x>

    <y>0</y>

    <width>583</width>

    <height>109</height>

   </rect>

  </property>

  <property name="windowTitle">

   <string>Form</string>

  </property>

  <property name="autoFillBackground">

   <bool>false</bool>

  </property>

  <layout class="QVBoxLayout" name="verticalLayout">

   <item>

    <widget class="QScrollArea" name="scrollArea">

     <property name="frameShape">

      <enum>QFrame::StyledPanel</enum>

     </property>

     <property name="widgetResizable">

      <bool>true</bool>

     </property>

     <property name="alignment">

      <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>

     </property>

     <widget class="QWidget" name="scrollAreaWidgetContents">

      <property name="geometry">

       <rect>

        <x>0</x>

        <y>0</y>

        <width>563</width>

        <height>16</height>

       </rect>

      </property>

      <property name="sizePolicy">

       <sizepolicy hsizetype="Preferred" vsizetype="Maximum">

        <horstretch>0</horstretch>

        <verstretch>0</verstretch>

       </sizepolicy>

      </property>

     </widget>

    </widget>

   </item>

   <item>

    <widget class="QPushButton" name="pbNew">

     <property name="text">

      <string>New Command</string>

     </property>

     <property name="icon">

      <iconset theme="list-add"/>

     </property>

    </widget>

   </item>

  </layout>

 </widget>

 <resources/>

 <connections/>

</ui>

/*

  Copyright © 2015 Hasan Yavuz Özderya

  This file is part of serialplot.

  serialplot is free software: you can redistribute it and/or modify

  it under the terms of the GNU General Public License as published by

  the Free Software Foundation, either version 3 of the License, or

  (at your option) any later version.

  serialplot 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 General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#include "commandwidget.h"

#include "ui_commandwidget.h"

#include <QRegExp>

#include <QRegExpValidator>

#include <QtDebug>

#include <QIcon>

CommandWidget::CommandWidget(QWidget *parent) :

    QWidget(parent),

    ui(new Ui::CommandWidget)

{

    ui->setupUi(this);

#ifdef Q_OS_WIN

    ui->pbDelete->setIcon(QIcon(":/icons/list-remove"));

#endif // Q_OS_WIN

    connect(ui->pbDelete, &QPushButton::clicked, this, &CommandWidget::onDeleteClicked);

    connect(ui->pbSend, &QPushButton::clicked, this, &CommandWidget::onSendClicked);

    connect(ui->pbASCII, &QPushButton::toggled, this, &CommandWidget::onASCIIToggled);

}

CommandWidget::~CommandWidget()

{

    delete ui;

}

void CommandWidget::onDeleteClicked()

{

    this->deleteLater();

}

void CommandWidget::onSendClicked()

{

    auto command = ui->leCommand->text();

    if (command.isEmpty())

    {

        qWarning() << "Enter a command to send!";

        ui->leCommand->setFocus(Qt::OtherFocusReason);

        return;

    }

    if (isASCIIMode())

    {

        qDebug() << "Sending:" << command;

        emit sendCommand(ui->leCommand->unEscapedText().toLatin1());

    }

    else // hex mode

    {

        command = command.remove(' ');

        // check if nibbles are missing

        if (command.size() % 2 == 1)

        {

            qWarning() << "HEX command is missing a nibble at the end!";

            ui->leCommand->setFocus(Qt::OtherFocusReason);

            // highlight the byte that is missing a nibble (last byte obviously)

            int textSize = ui->leCommand->text().size();

            ui->leCommand->setSelection(textSize-1, textSize);

            return;

        }

        qDebug() << "Sending HEX:" << command;

        emit sendCommand(QByteArray::fromHex(command.toLatin1()));

    }

}

void CommandWidget::onASCIIToggled(bool checked)

{

    ui->leCommand->setMode(checked);

}

bool CommandWidget::isASCIIMode()

{

    return ui->pbASCII->isChecked();

}

/*

  Copyright © 2015 Hasan Yavuz Özderya

  This file is part of serialplot.

  serialplot is free software: you can redistribute it and/or modify

  it under the terms of the GNU General Public License as published by

  the Free Software Foundation, either version 3 of the License, or

  (at your option) any later version.

  serialplot 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 General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef COMMANDWIDGET_H

#define COMMANDWIDGET_H

#include <QWidget>

#include <QByteArray>

namespace Ui {

class CommandWidget;

}

class CommandWidget : public QWidget

{

    Q_OBJECT

public:

    explicit CommandWidget(QWidget *parent = 0);

    ~CommandWidget();

signals:

    void deleteRequested(CommandWidget* thisWidget); // emitted when delete button is clicked

    // emitted when send button is clicked

    //

    // in case of hex mode, command text should be a hexadecimal

    // string containing hexadecimal characters only (not even spaces)

    void sendCommand(QByteArray command);

private:

    Ui::CommandWidget *ui;

    bool isASCIIMode(); // true: ascii mode, false hex mode

private slots:

    void onDeleteClicked();

    void onSendClicked();

    void onASCIIToggled(bool checked);

};

#endif // COMMANDWIDGET_H

<?xml version="1.0" encoding="UTF-8"?>

<ui version="4.0">

 <class>CommandWidget</class>

 <widget class="QWidget" name="CommandWidget">

  <property name="geometry">

   <rect>

    <x>0</x>

    <y>0</y>

    <width>433</width>

    <height>34</height>

   </rect>

  </property>

  <property name="windowTitle">

   <string>Form</string>

  </property>

  <layout class="QHBoxLayout" name="horizontalLayout_2">

   <property name="leftMargin">

    <number>0</number>

   </property>

   <property name="topMargin">

    <number>0</number>

   </property>

   <property name="rightMargin">

    <number>0</number>

   </property>

   <property name="bottomMargin">

    <number>0</number>

   </property>

   <item>

    <widget class="QToolButton" name="pbDelete">

     <property name="minimumSize">

      <size>

       <width>30</width>

       <height>0</height>

      </size>

     </property>

     <property name="text">

      <string/>

     </property>

     <property name="icon">

      <iconset theme="list-remove">

       <normaloff/>

      </iconset>

     </property>

     <property name="autoRaise">

      <bool>true</bool>

     </property>

    </widget>

   </item>

   <item>

    <widget class="CommandEdit" name="leCommand">

     <property name="sizePolicy">

      <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">

       <horstretch>0</horstretch>

       <verstretch>0</verstretch>

      </sizepolicy>

     </property>

     <property name="toolTip">

      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Enter your command here.&lt;/p&gt;&lt;p&gt;In ASCII mode you can use backslash '\' to send some special characters. These are:&lt;br/&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;\n&lt;/span&gt; : Line Feed (new line)&lt;br/&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;\r&lt;/span&gt; : Carriage Return&lt;br/&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;\t&lt;/span&gt; : Tab&lt;/p&gt;&lt;p&gt;Be careful though, you cannot escape the backslash character itself!&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>

     </property>

     <property name="clearButtonEnabled">

      <bool>true</bool>

     </property>

    </widget>

   </item>

   <item>

    <widget class="QFrame" name="frame">

     <property name="sizePolicy">

      <sizepolicy hsizetype="Maximum" vsizetype="Preferred">

       <horstretch>0</horstretch>

       <verstretch>0</verstretch>

      </sizepolicy>

     </property>

     <property name="frameShape">

      <enum>QFrame::StyledPanel</enum>

     </property>

     <property name="frameShadow">

      <enum>QFrame::Raised</enum>

     </property>

     <layout class="QHBoxLayout" name="horizontalLayout">

      <property name="spacing">

       <number>0</number>

      </property>

      <property name="leftMargin">

       <number>0</number>

      </property>

      <property name="topMargin">

       <number>0</number>

      </property>

      <property name="bottomMargin">

       <number>0</number>

      </property>

      <item>

       <widget class="QPushButton" name="pbASCII">

        <property name="sizePolicy">

         <sizepolicy hsizetype="Ignored" vsizetype="Fixed">

          <horstretch>0</horstretch>

          <verstretch>0</verstretch>

         </sizepolicy>

        </property>

        <property name="minimumSize">

         <size>

          <width>40</width>

          <height>0</height>

         </size>

        </property>

        <property name="text">

         <string>ASCII</string>

        </property>

        <property name="checkable">

         <bool>true</bool>

        </property>

        <property name="checked">

         <bool>true</bool>

        </property>

        <property name="autoExclusive">

         <bool>true</bool>

        </property>

       </widget>

      </item>

      <item>

       <widget class="QPushButton" name="pbHEX">

        <property name="sizePolicy">

         <sizepolicy hsizetype="Ignored" vsizetype="Fixed">

          <horstretch>0</horstretch>

          <verstretch>0</verstretch>

         </sizepolicy>

        </property>

        <property name="minimumSize">

         <size>

          <width>40</width>

          <height>0</height>

         </size>

        </property>

        <property name="text">

         <string>HEX</string>

        </property>

        <property name="checkable">

         <bool>true</bool>

        </property>

        <property name="autoExclusive">

         <bool>true</bool>

        </property>

       </widget>

      </item>

     </layout>

    </widget>

   </item>

   <item>

    <widget class="QPushButton" name="pbSend">

     <property name="sizePolicy">

      <sizepolicy hsizetype="Maximum" vsizetype="Fixed">

       <horstretch>0</horstretch>

       <verstretch>0</verstretch>

      </sizepolicy>

     </property>

     <property name="text">

      <string>Send</string>

     </property>

    </widget>

   </item>

  </layout>

 </widget>

 <customwidgets>

  <customwidget>

   <class>CommandEdit</class>

   <extends>QLineEdit</extends>

   <header>commandedit.h</header>

  </customwidget>

 </customwidgets>

 <resources/>

 <connections/>

</ui>

    commandPanel(&serialPort),

    ui->tabWidget->insertTab(3, &commandPanel, "Commands");

#include "commandpanel.h"

    CommandPanel commandPanel;

#!/usr/bin/python3

#

# Copyright © 2015 Hasan Yavuz Özderya

#

# This file is part of serialplot.

#

# serialplot is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# serialplot 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 General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

#

import os, pty, time

def run():

    # create the pseudo terminal

    master, slave = pty.openpty()

    slave_name = os.ttyname(slave)

    print("Slave terminal: {}".format(slave_name))

    masterw = os.fdopen(master, 'w')

    masterr = os.fdopen(master, 'r')

    while True:

        line = masterr.read(4)

        print(">" + line)

        if (line.strip() == "data"):

            masterw.write("1,1\r\n")

        time.sleep(0.01)

if __name__ == "__main__":

    run()

Icon files in this directory are taken from Tango project

(http://tango.freedesktop.org/). Please see referenced web page for

more information.

<RCC>

    <qresource prefix="/icons">

        <file alias="list-add">tango/list-add.png</file>

        <file alias="list-remove">tango/list-remove.png</file>

    </qresource>

</RCC>