Add about dialog to File menu of the connection manager.

Make the contents of the dialog more accurate and include a link to the releasenotes file.

pglab/About.cpp

@@ -0,0 +1,23 @@
+#include "About.h"
+#include <QCoreApplication>
+#include <QMessageBox>
+#include <QString>
+
+void ShowAboutDialog(QWidget *parent)
+{
+    QString pgLabVersionString = "0.2";
+    QString releaseNotesUrl = "file:///" + QCoreApplication::applicationDirPath() + "\\releasenotes.html";
+    QString year = QString::fromLatin1(__DATE__, 11).right(4);
+    QMessageBox::about(parent, "pgLab " + pgLabVersionString, QMessageBox::tr(
+              "<h1>Version %3</h1>"
+              "<p><a href=\"%2\">Releasenotes</a></p>"
+              "<p>Copyrights 2016-%1, Eelke Klein, All Rights Reserved.</p>"
+              "<p>The program is provided AS IS with NO WARRANTY OF ANY KIND, "
+              "INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS "
+              "FOR A PARTICULAR PURPOSE.</p>"
+              "<p>This program is dynamically linked with Qt " QT_VERSION_STR " Copyrights "
+              "the Qt Company Ltd. https://www.qt.io/licensing/.</p>"
+              "<p>Some icons by <a href=\"https://icons8.com\">Icons8</a> and others by <a href=\"http://www.fatcow.com/free-icons\">fatcow</a> provided under Creative Commons "
+              "attribution 3.0 license.</p>"
+              ).arg(year).arg(releaseNotesUrl).arg(pgLabVersionString));
+}

pglab/About.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <QWidget>
+
+void ShowAboutDialog(QWidget *parent);

pglab/ConnectionManagerWindow.cpp

@@ -1,4 +1,5 @@
 #include "ConnectionManagerWindow.h"
+#include "About.h"
 #include "ui_ConnectionManagerWindow.h"
 #include "MasterController.h"
 #include "ConnectionController.h"
@@ -102,3 +103,9 @@ void ConnectionManagerWindow::on_actionConfigureCopy_triggered()
     auto ci = ui->treeView->selectionModel()->currentIndex();
     m_connectionController->editCopy(ci);
 }
+
+void ConnectionManagerWindow::on_actionAbout_triggered()
+{
+    ShowAboutDialog(this);
+}
+

pglab/ConnectionManagerWindow.h

@@ -39,6 +39,8 @@ private slots:
 
     void on_actionConfigureCopy_triggered();
 
+    void on_actionAbout_triggered();
+
 private:
 	Ui::ConnectionManagerWindow *ui;
 	MasterController *m_masterController;

pglab/ConnectionManagerWindow.ui

@@ -26,13 +26,14 @@
      <x>0</x>
      <y>0</y>
      <width>413</width>
-     <height>30</height>
+     <height>29</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
     <property name="title">
      <string>Fi&amp;le</string>
     </property>
+    <addaction name="actionAbout"/>
     <addaction name="actionQuit_application"/>
    </widget>
    <addaction name="menuFile"/>
@@ -164,6 +165,16 @@ QToolButton {
     <string>Configure copy</string>
    </property>
   </action>
+  <action name="actionAbout">
+   <property name="icon">
+    <iconset>
+     <normalon>:/icons/about.png</normalon>
+    </iconset>
+   </property>
+   <property name="text">
+    <string>About</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="resources.qrc"/>

pglab/DatabaseWindow.cpp

@@ -1,4 +1,5 @@
 #include "DatabaseWindow.h"
+#include "About.h"
 #include "ui_DatabaseWindow.h"
 #include "util.h"
 #include "crud/CrudTab.h"
@@ -305,19 +306,7 @@ void DatabaseWindow::dropEvent(QDropEvent *event)
 
 void DatabaseWindow::on_actionAbout_triggered()
 {
-    QMessageBox::about(this, "pgLab 0.1", tr(
-              "Copyrights 2016-2019, Eelke Klein, All Rights Reserved.\n"
-              "\n"
-              "The program is provided AS IS with NO WARRANTY OF ANY KIND, "
-              "INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS "
-              "FOR A PARTICULAR PURPOSE.\n"
-              "\n"
-              "This program is dynamically linked with Qt 5.12 Copyright (C) 2018 "
-              "The Qt Company Ltd. https://www.qt.io/licensing/. \n"
-              "\n"
-              "Icons by fatcow http://www.fatcow.com/free-icons provided under Creative Commons "
-              "attribution 3.0 license."
-              ));
+    ShowAboutDialog(this);
 }
 
 

pglab/pglab.pro

@@ -21,6 +21,7 @@ DEFINES += _WIN32_WINNT=0x0501
 win32:RC_ICONS += pglab.ico
 
 SOURCES += main.cpp\
+    About.cpp \
     catalog/delegates/IconColumnDelegate.cpp \
     catalog/models/BaseTableModel.cpp \
     catalog/models/ColumnTableModel.cpp \
@@ -91,6 +92,7 @@ SOURCES += main.cpp\
     widgets/SingleRecordWidget.cpp
 
 HEADERS  += \
+    About.h \
     catalog/delegates/IconColumnDelegate.h \
     catalog/models/BaseTableModel.h \
     catalog/models/ColumnTableModel.h \