# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2017-08-27 11:32:31
# Node ID 98b18b0fc501baa2a7b45ebb61cea8cca3261e60
# Parent  cedcbcc9d86e5b83ea821ef4a6484ca0739f7213
# Parent  eaa2f6373b245206473e2512c3a0d059af7c55ad

Merge with control-signals

diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,10 +52,18 @@ else ()
   find_package(QtColorWidgets REQUIRED)
 endif ()
 
+set(BUILD_LEDWIDGET true CACHE BOOL "Download and build LedWidget automatically.")
+if (BUILD_LEDWIDGET)
+  include(BuildLedWidget)
+else (BUILD_LEDWIDGET)
+  include(FindLedWidget)
+endif (BUILD_LEDWIDGET)
+
 # includes
 include_directories("./src"
   ${QWT_INCLUDE_DIR}
   ${QTCOLORWIDGETS_INCLUDE_DIRS}
+  ${LEDWIDGET_INCLUDE_DIR}
   )
 
 # flags
@@ -139,6 +147,7 @@ add_executable(${PROGRAM_NAME} WIN32
 target_link_libraries(${PROGRAM_NAME}
   ${QWT_LIBRARY}
   ${QTCOLORWIDGETS_LIBRARIES}
+  ${LEDWIDGET_LIBRARY}
   )
 qt5_use_modules(${PROGRAM_NAME} Widgets SerialPort Network)
 
@@ -150,6 +159,11 @@ if (BUILD_QTCOLORWIDGETS)
   add_dependencies(${PROGRAM_NAME} QCW)
 endif ()
 
+if (BUILD_LEDWIDGET)
+  add_dependencies(${PROGRAM_NAME} LEDW)
+endif (BUILD_LEDWIDGET)
+
+
 # set compiler flags
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
 
diff --git a/cmake/modules/BuildLedWidget.cmake b/cmake/modules/BuildLedWidget.cmake
new file mode 100644
--- /dev/null
+++ b/cmake/modules/BuildLedWidget.cmake
@@ -0,0 +1,30 @@
+#
+# Copyright © 2017 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(ExternalProject)
+
+ExternalProject_Add(LEDW
+  PREFIX ledw
+  HG_REPOSITORY https://bitbucket.org/hyOzd/ledwidget
+  UPDATE_COMMAND ""
+  INSTALL_COMMAND "")
+
+ExternalProject_Get_Property(LEDW binary_dir source_dir)
+set(LEDWIDGET_INCLUDE_DIR ${source_dir}/src)
+set(LEDWIDGET_LIBRARY ${binary_dir}/libledwidget.a)
diff --git a/cmake/modules/FindLedWidget.cmake b/cmake/modules/FindLedWidget.cmake
new file mode 100644
--- /dev/null
+++ b/cmake/modules/FindLedWidget.cmake
@@ -0,0 +1,25 @@
+#
+# Copyright © 2017 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/>.
+#
+
+find_library(LEDWIDGET_LIBRARY "ledwidget")
+find_path(LEDWIDGET_INCLUDE_DIR "ledwidget.h" PATH_SUFFIXES "ledwidget")
+
+mark_as_advanced(LEDWIDGET_LIBRARY LEDWIDGET_INCLUDE_DIR)
+
+find_package_handle_standard_args(LedWidget DEFAULT_MSG LEDWIDGET_LIBRARY LEDWIDGET_INCLUDE_DIR)
diff --git a/src/portcontrol.cpp b/src/portcontrol.cpp
--- a/src/portcontrol.cpp
+++ b/src/portcontrol.cpp
@@ -1,5 +1,5 @@
 /*
-  Copyright © 2016 Hasan Yavuz Özderya
+  Copyright © 2017 Hasan Yavuz Özderya
 
   This file is part of serialplot.
 
@@ -130,6 +130,40 @@ PortControl::PortControl(QSerialPort* po
                      SELECT<int>::OVERLOAD_OF(&QButtonGroup::buttonClicked),
                      this, &PortControl::selectFlowControl);
 
+    // initialize signal leds
+    ui->ledDTR->setOn(true);
+    ui->ledRTS->setOn(true);
+
+    // connect output signals
+    connect(ui->pbDTR, &QPushButton::clicked, [this]()
+            {
+                // toggle DTR
+                ui->ledDTR->toggle();
+                if (serialPort->isOpen())
+                {
+                    serialPort->setDataTerminalReady(ui->ledDTR->isOn());
+                }
+            });
+
+    connect(ui->pbRTS, &QPushButton::clicked, [this]()
+            {
+                // toggle RTS
+                ui->ledRTS->toggle();
+                if (serialPort->isOpen())
+                {
+                    serialPort->setRequestToSend(ui->ledRTS->isOn());
+                }
+            });
+
+    // setup pin update leds
+    ui->ledDCD->setColor(Qt::yellow);
+    ui->ledDSR->setColor(Qt::yellow);
+    ui->ledRI->setColor(Qt::yellow);
+    ui->ledCTS->setColor(Qt::yellow);
+
+    pinUpdateTimer.setInterval(1000); // ms
+    connect(&pinUpdateTimer, &QTimer::timeout, this, &PortControl::updatePinLeds);
+
     loadPortList();
     loadBaudRateList();
     ui->cbBaudRate->setCurrentIndex(ui->cbBaudRate->findText("9600"));
@@ -221,6 +255,7 @@ void PortControl::togglePort()
 {
     if (serialPort->isOpen())
     {
+        pinUpdateTimer.stop();
         serialPort->close();
         qDebug() << "Closed port:" << serialPort->portName();
         emit portToggled(false);
@@ -258,6 +293,14 @@ void PortControl::togglePort()
             selectStopBits((QSerialPort::StopBits) stopBitsButtons.checkedId());
             selectFlowControl((QSerialPort::FlowControl) flowControlButtons.checkedId());
 
+            // set output signals
+            serialPort->setDataTerminalReady(ui->ledDTR->isOn());
+            serialPort->setRequestToSend(ui->ledRTS->isOn());
+
+            // update pin signals
+            updatePinLeds();
+            pinUpdateTimer.start();
+
             qDebug() << "Opened port:" << serialPort->portName();
             emit portToggled(true);
         }
@@ -319,6 +362,15 @@ void PortControl::onTbPortListActivated(
     ui->cbPortList->setCurrentIndex(index);
 }
 
+void PortControl::updatePinLeds(void)
+{
+    auto pins = serialPort->pinoutSignals();
+    ui->ledDCD->setOn(pins & QSerialPort::DataCarrierDetectSignal);
+    ui->ledDSR->setOn(pins & QSerialPort::DataSetReadySignal);
+    ui->ledRI->setOn(pins & QSerialPort::RingIndicatorSignal);
+    ui->ledCTS->setOn(pins & QSerialPort::ClearToSendSignal);
+}
+
 QString PortControl::currentParityText()
 {
     return paritySettingMap.value(
diff --git a/src/portcontrol.h b/src/portcontrol.h
--- a/src/portcontrol.h
+++ b/src/portcontrol.h
@@ -1,5 +1,5 @@
 /*
-  Copyright © 2016 Hasan Yavuz Özderya
+  Copyright © 2017 Hasan Yavuz Özderya
 
   This file is part of serialplot.
 
@@ -28,6 +28,7 @@
 #include <QAction>
 #include <QComboBox>
 #include <QSettings>
+#include <QTimer>
 
 #include "portlist.h"
 
@@ -65,6 +66,9 @@ private:
     QComboBox tbPortList;
     PortList portList;
 
+    /// Used to refresh pinout signal leds periodically
+    QTimer pinUpdateTimer;
+
     /// Returns the currently selected (entered) "portName" in the UI
     QString selectedPortName();
     /// Returns currently selected parity as text to be saved in settings
@@ -86,9 +90,9 @@ public slots:
 
 private slots:
     void openActionTriggered(bool checked);
-
     void onCbPortListActivated(int index);
     void onTbPortListActivated(int index);
+    void updatePinLeds(void);
 
 signals:
     void portToggled(bool open);
diff --git a/src/portcontrol.ui b/src/portcontrol.ui
--- a/src/portcontrol.ui
+++ b/src/portcontrol.ui
@@ -301,6 +301,224 @@
       </widget>
      </item>
      <item>
+      <layout class="QGridLayout" name="gridLayout_2">
+       <property name="spacing">
+        <number>2</number>
+       </property>
+       <item row="1" column="2">
+        <widget class="LedWidget" name="ledRTS" native="true">
+         <property name="minimumSize">
+          <size>
+           <width>15</width>
+           <height>15</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>15</width>
+           <height>15</height>
+          </size>
+         </property>
+         <property name="toolTip">
+          <string>Request To Send</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="0">
+        <spacer name="horizontalSpacer_2">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item row="0" column="1">
+        <widget class="QPushButton" name="pbDTR">
+         <property name="maximumSize">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+         <property name="toolTip">
+          <string>Data Terminal Ready</string>
+         </property>
+         <property name="text">
+          <string>DTR</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="2">
+        <widget class="LedWidget" name="ledDTR" native="true">
+         <property name="minimumSize">
+          <size>
+           <width>15</width>
+           <height>15</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>15</width>
+           <height>15</height>
+          </size>
+         </property>
+         <property name="toolTip">
+          <string>Data Terminal Ready</string>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="2">
+        <widget class="LedWidget" name="ledDSR" native="true">
+         <property name="minimumSize">
+          <size>
+           <width>15</width>
+           <height>15</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>15</width>
+           <height>15</height>
+          </size>
+         </property>
+         <property name="toolTip">
+          <string>Data Set Ready</string>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="1">
+        <widget class="QLabel" name="labDSR">
+         <property name="toolTip">
+          <string>Data Set Ready</string>
+         </property>
+         <property name="text">
+          <string>DSR</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="1">
+        <widget class="QPushButton" name="pbRTS">
+         <property name="maximumSize">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+         <property name="toolTip">
+          <string>Request To Send</string>
+         </property>
+         <property name="text">
+          <string>RTS</string>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="1">
+        <widget class="QLabel" name="labDCD">
+         <property name="toolTip">
+          <string>Data Carrier Detect</string>
+         </property>
+         <property name="text">
+          <string>DCD</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="2">
+        <widget class="LedWidget" name="ledDCD" native="true">
+         <property name="minimumSize">
+          <size>
+           <width>15</width>
+           <height>15</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>15</width>
+           <height>15</height>
+          </size>
+         </property>
+         <property name="toolTip">
+          <string>Data Carrier Detect</string>
+         </property>
+        </widget>
+       </item>
+       <item row="4" column="1">
+        <widget class="QLabel" name="labRI">
+         <property name="toolTip">
+          <string>Ring Indicator</string>
+         </property>
+         <property name="text">
+          <string>RI</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="4" column="2">
+        <widget class="LedWidget" name="ledRI" native="true">
+         <property name="minimumSize">
+          <size>
+           <width>15</width>
+           <height>15</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>15</width>
+           <height>15</height>
+          </size>
+         </property>
+         <property name="toolTip">
+          <string>Ring Indicator</string>
+         </property>
+        </widget>
+       </item>
+       <item row="5" column="2">
+        <widget class="LedWidget" name="ledCTS" native="true">
+         <property name="minimumSize">
+          <size>
+           <width>15</width>
+           <height>15</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>15</width>
+           <height>15</height>
+          </size>
+         </property>
+         <property name="toolTip">
+          <string>Clear To Send</string>
+         </property>
+        </widget>
+       </item>
+       <item row="5" column="1">
+        <widget class="QLabel" name="labCTS">
+         <property name="toolTip">
+          <string>Clear To Send</string>
+         </property>
+         <property name="text">
+          <string>CTS</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+     <item>
       <spacer name="verticalSpacer">
        <property name="orientation">
         <enum>Qt::Vertical</enum>
@@ -308,7 +526,7 @@
        <property name="sizeHint" stdset="0">
         <size>
          <width>20</width>
-         <height>40</height>
+         <height>1</height>
         </size>
        </property>
       </spacer>
@@ -317,6 +535,14 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>LedWidget</class>
+   <extends>QWidget</extends>
+   <header>ledwidget.h</header>
+   <container>1</container>
+  </customwidget>
+ </customwidgets>
  <tabstops>
   <tabstop>cbPortList</tabstop>
   <tabstop>pbReloadPorts</tabstop>