Support running on systems without a system tray. Fixes #3316

docs/en_US/release_notes_3_2.rst

@@ -18,6 +18,7 @@ Bug fixes
 
 | `Bug #3294 <https://redmine.postgresql.org/issues/3294>`_ - Infrastructure (and changes to the Query Tool) for realtime preference handling.
 | `Bug #3309 <https://redmine.postgresql.org/issues/3309>`_ - Fix Directory format support for backups.
+| `Bug #3316 <https://redmine.postgresql.org/issues/3316>`_ - Support running on systems without a system tray.
 | `Bug #3319 <https://redmine.postgresql.org/issues/3319>`_ - Cleanup and fix handling of Query Tool Cancel button status.
 | `Bug #3363 <https://redmine.postgresql.org/issues/3363>`_ - Fix restoring of restore options for sections.
 | `Bug #3371 <https://redmine.postgresql.org/issues/3371>`_ - Don't create a session when the /misc/ping test endpoint is called.

runtime/.gitignore

@@ -1,18 +1,11 @@
 .qmake.cache
 .qmake.stash
 Makefile
-moc_predefs.h
+moc_*.cpp
-moc_BrowserWindow.cpp
+moc_*.h
-moc_ConfigWindow.cpp
-moc_LogWindow.cpp
-moc_Server.cpp
-moc_TabWindow.cpp
-moc_WebViewWindow.cpp
 pgAdmin4
 pgAdmin4.app/
 pgAdmin4.pro.user*
 qrc_pgAdmin4.cpp
-ui_BrowserWindow.h
+ui_*.h
-ui_ConfigWindow.h
-ui_LogWindow.h
 object_script.*

runtime/FloatingWindow.cpp

@@ -0,0 +1,103 @@
+////////////////////////////////////////////////////////////////////////////
+//
+// pgAdmin 4 - PostgreSQL Tools
+//
+// Copyright (C) 2013 - 2018, The pgAdmin Development Team
+// This software is released under the PostgreSQL Licence
+//
+// FloatingWindow.cpp - For GNOME 3.26 and above floating window will be used.
+//
+////////////////////////////////////////////////////////////////////////////
+
+#include "FloatingWindow.h"
+#include "ui_FloatingWindow.h"
+
+FloatingWindow::FloatingWindow(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::FloatingWindow)
+{
+    m_newAction = NULL;
+    m_configAction = NULL;
+    m_logAction = NULL;
+    m_quitAction = NULL;
+    m_menuActions = NULL;
+    m_floatingWindowMenu = NULL;
+
+    ui->setupUi(this);
+}
+
+FloatingWindow::~FloatingWindow()
+{
+    delete ui;
+}
+
+bool FloatingWindow::Init()
+{
+    // Creating Menu
+    createMenu();
+
+    // Setup the icon itself. For convenience, we'll also use it for the dialogue.
+#ifdef Q_OS_MAC
+    QIcon icon(":pgAdmin4-mac.png");
+#else
+    QIcon icon(":pgAdmin4.png");
+#endif
+
+    setWindowIcon(icon);
+    setWindowTitle(tr("pgAdmin"));
+    setFixedSize(300, 230);
+    setWindowFlags(Qt::Window | Qt::WindowTitleHint | Qt::WindowMinimizeButtonHint);
+    return true;
+}
+
+// Create the menu
+void FloatingWindow::createMenu()
+{
+    createActions();
+
+    m_floatingWindowMenu = menuBar()->addMenu(QString(tr("%1")).arg(PGA_APP_NAME));
+    m_floatingWindowMenu->addAction(m_newAction);
+    m_floatingWindowMenu->addSeparator();
+    m_floatingWindowMenu->addAction(m_configAction);
+    m_floatingWindowMenu->addAction(m_logAction);
+    m_floatingWindowMenu->addSeparator();
+    m_floatingWindowMenu->addAction(m_quitAction);
+}
+
+// Create the menu actions
+void FloatingWindow::createActions()
+{
+    m_newAction = new QAction(QString(tr("&New %1 window...")).arg(PGA_APP_NAME), this);
+    connect(m_newAction, SIGNAL(triggered()), m_menuActions, SLOT(onNew()));
+
+    m_configAction = new QAction(tr("&Configure..."), this);
+    connect(m_configAction, SIGNAL(triggered()), m_menuActions, SLOT(onConfig()));
+
+    m_logAction = new QAction(tr("&View log..."), this);
+    connect(m_logAction, SIGNAL(triggered()), m_menuActions, SLOT(onLog()));
+
+    m_quitAction = new QAction(tr("&Shut down server"), this);
+    m_quitAction->setEnabled(false);
+    connect(m_quitAction, SIGNAL(triggered()), m_menuActions, SLOT(onQuit()));
+}
+
+void FloatingWindow::enableShutdownMenu()
+{
+    if (m_quitAction != NULL)
+    {
+        m_quitAction->setEnabled(true);
+    }
+}
+
+void FloatingWindow::setMenuActions(MenuActions * menuActions)
+{
+    m_menuActions = menuActions;
+}
+
+void FloatingWindow::closeEvent(QCloseEvent * event)
+{
+    // Emit the signal to shut down the python server.
+    emit shutdownSignal(m_menuActions->getAppServerUrl());
+    event->accept();
+    exit(0);
+}

runtime/FloatingWindow.h

@@ -0,0 +1,56 @@
+////////////////////////////////////////////////////////////////////////////
+//
+// pgAdmin 4 - PostgreSQL Tools
+//
+// Copyright (C) 2013 - 2018, The pgAdmin Development Team
+// This software is released under the PostgreSQL Licence
+//
+// FloatingWindow.h - For GNOME 3.26 and above floating window will be used.
+//
+////////////////////////////////////////////////////////////////////////////
+
+
+#ifndef FLOATINGWINDOW_H
+#define FLOATINGWINDOW_H
+
+#include "pgAdmin4.h"
+#include "MenuActions.h"
+
+#include <QMainWindow>
+
+namespace Ui {
+class FloatingWindow;
+}
+
+class FloatingWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit FloatingWindow(QWidget *parent = 0);
+    ~FloatingWindow();
+
+    bool Init();
+    void enableShutdownMenu();
+    void setMenuActions(MenuActions * menuActions);
+
+private:
+    Ui::FloatingWindow *ui;
+
+    void createMenu();
+    void createActions();
+    void closeEvent(QCloseEvent * event);
+
+    QAction *m_newAction;
+    QAction *m_configAction;
+    QAction *m_logAction;
+    QAction *m_quitAction;
+
+    QMenu *m_floatingWindowMenu;
+    MenuActions *m_menuActions;
+
+signals:
+    void shutdownSignal(QUrl);
+};
+
+#endif // FLOATINGWINDOW_H

runtime/FloatingWindow.ui

@@ -0,0 +1,155 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>FloatingWindow</class>
+ <widget class="QMainWindow" name="FloatingWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>300</width>
+    <height>230</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <widget class="QWidget" name="verticalLayoutWidget">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>10</y>
+      <width>281</width>
+      <height>201</height>
+     </rect>
+    </property>
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout_2">
+       <item>
+        <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>
+        <widget class="QLabel" name="label">
+         <property name="minimumSize">
+          <size>
+           <width>100</width>
+           <height>100</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>100</width>
+           <height>100</height>
+          </size>
+         </property>
+         <property name="styleSheet">
+          <string notr="true">border-image:url(&quot;:pgAdmin4.png&quot;);</string>
+         </property>
+         <property name="text">
+          <string/>
+         </property>
+         <property name="scaledContents">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="horizontalSpacer">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout">
+       <item>
+        <spacer name="horizontalSpacer_4">
+         <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>
+        <widget class="QLabel" name="label_2">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>16777215</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="layoutDirection">
+          <enum>Qt::LeftToRight</enum>
+         </property>
+         <property name="text">
+          <string>Note: Installing a system tray plugin will prevent this window being shown.</string>
+         </property>
+         <property name="textFormat">
+          <enum>Qt::AutoText</enum>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+         <property name="wordWrap">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="horizontalSpacer_3">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </item>
+    </layout>
+   </widget>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

runtime/MenuActions.cpp

@@ -0,0 +1,129 @@
+//////////////////////////////////////////////////////////////////////////
+//
+// pgAdmin 4 - PostgreSQL Tools
+//
+// Copyright (C) 2013 - 2018, The pgAdmin Development Team
+// This software is released under the PostgreSQL Licence
+//
+// MenuActions.cpp - Common file for menu actions.
+//
+//////////////////////////////////////////////////////////////////////////
+
+#include "MenuActions.h"
+
+// QT headers
+#include <QMessageBox>
+
+MenuActions::MenuActions()
+{
+    m_logWindow = NULL;
+    m_logFile = "";
+    m_appServerUrl = "";
+}
+
+MenuActions::~MenuActions()
+{
+}
+
+void MenuActions::setAppServerUrl(QString appServerUrl)
+{
+    m_appServerUrl = appServerUrl;
+}
+
+void MenuActions::setLogFile(QString logFile)
+{
+    m_logFile = logFile;
+}
+
+// Create a new application browser window on user request
+void MenuActions::onNew()
+{
+    QSettings settings;
+    QString cmd = settings.value("BrowserCommand").toString();
+
+    if (!cmd.isEmpty())
+    {
+        cmd.replace("%URL%", m_appServerUrl);
+        QProcess::startDetached(cmd);
+    }
+    else
+    {
+        if (!QDesktopServices::openUrl(m_appServerUrl))
+        {
+            QString error(QWidget::tr("Failed to open the system default web browser. Is one installed?."));
+            QMessageBox::critical(NULL, QString(QWidget::tr("Fatal Error")), error);
+
+            exit(1);
+        }
+    }
+}
+
+// Show the config dialogue
+void MenuActions::onConfig()
+{
+    QSettings settings;
+    bool ok;
+
+    ConfigWindow *dlg = new ConfigWindow();
+    dlg->setWindowTitle(QString(tr("%1 Configuration")).arg(PGA_APP_NAME));
+    dlg->setBrowserCommand(settings.value("BrowserCommand").toString());
+    dlg->setPythonPath(settings.value("PythonPath").toString());
+    dlg->setApplicationPath(settings.value("ApplicationPath").toString());
+    dlg->setModal(true);
+    ok = dlg->exec();
+
+    QString browsercommand = dlg->getBrowserCommand();
+    QString pythonpath = dlg->getPythonPath();
+    QString applicationpath = dlg->getApplicationPath();
+
+    if (ok)
+    {
+        bool needRestart = (settings.value("PythonPath").toString() != pythonpath ||
+                            settings.value("ApplicationPath").toString() != applicationpath);
+
+        settings.setValue("BrowserCommand", browsercommand);
+        settings.setValue("PythonPath", pythonpath);
+        settings.setValue("ApplicationPath", applicationpath);
+
+        if (needRestart)
+        {
+            if (QMessageBox::Yes == QMessageBox::question(NULL, tr("Shut down server?"), QString(tr("The %1 server must be restarted for changes to take effect. Do you want to shut down the server now?")).arg(PGA_APP_NAME), QMessageBox::Yes | QMessageBox::No))
+            {
+                exit(0);
+            }
+        }
+    }
+}
+
+
+// Show the log window
+void MenuActions::onLog()
+{
+    QSettings settings;
+
+    if (!m_logWindow)
+    {
+        m_logWindow = new LogWindow(NULL, m_logFile);
+        m_logWindow->setWindowTitle(QString(tr("%1 Log")).arg(PGA_APP_NAME));
+    }
+
+    m_logWindow->show();
+    m_logWindow->raise();
+    m_logWindow->activateWindow();
+
+    QCoreApplication::processEvents( QEventLoop::AllEvents, 100 );
+
+    m_logWindow->ReadLog();
+}
+
+
+// Exit
+void MenuActions::onQuit()
+{
+    if (QMessageBox::Yes == QMessageBox::question(NULL, tr("Shut down server?"), QString(tr("Are you sure you want to shut down the %1 server?")).arg(PGA_APP_NAME), QMessageBox::Yes | QMessageBox::No))
+    {
+        // Emit the signal to shut down the python server.
+        emit shutdownSignal(m_appServerUrl);
+        exit(0);
+    }
+}

runtime/MenuActions.h

@@ -0,0 +1,46 @@
+//////////////////////////////////////////////////////////////////////////
+//
+// pgAdmin 4 - PostgreSQL Tools
+//
+// Copyright (C) 2013 - 2018, The pgAdmin Development Team
+// This software is released under the PostgreSQL Licence
+//
+// MenuActions.h - Common file for menu actions.
+//
+//////////////////////////////////////////////////////////////////////////
+
+#ifndef MENUACTIONS_H
+#define MENUACTIONS_H
+
+#include "pgAdmin4.h"
+
+// App headers
+#include "LogWindow.h"
+#include "ConfigWindow.h"
+
+class MenuActions: public QObject
+{
+    Q_OBJECT
+public:
+    MenuActions();
+    ~MenuActions();
+
+    void setAppServerUrl(QString appServerUrl);
+    void setLogFile(QString logFile);
+    QString getAppServerUrl() { return m_appServerUrl; }
+
+private:
+    QString m_appServerUrl, m_logFile;
+    LogWindow *m_logWindow;
+
+protected slots:
+    void onNew();
+    void onConfig();
+    void onLog();
+    void onQuit();
+
+signals:
+    void shutdownSignal(QUrl);
+};
+
+#endif // MENUACTIONS_H

runtime/TrayIcon.cpp

@@ -9,22 +9,11 @@
 //
 //////////////////////////////////////////////////////////////////////////
 
-#include "pgAdmin4.h"
-
-// QT headers
-#include <QMessageBox>
-
 // App headers
-#include "ConfigWindow.h"
-#include "LogWindow.h"
 #include "TrayIcon.h"
 
-
+TrayIcon::TrayIcon()
-TrayIcon::TrayIcon(QString logFile) :
-    m_logFile(logFile)
 {
-    m_logWindow = NULL;
-
     m_trayIcon = NULL;
     m_trayIconMenu = NULL;
 
@@ -32,74 +21,22 @@ TrayIcon::TrayIcon(QString logFile) :
     m_configAction = NULL;
     m_logAction = NULL;
     m_quitAction = NULL;
+    m_menuActions = NULL;
 }
 
-
 TrayIcon::~TrayIcon()
 {
 
 }
 
-
+void TrayIcon::Init()
-bool TrayIcon::Init()
 {
-    if (! isSystemTrayAvailable())
-        return false;
-
     createTrayIcon();
 
     if (m_trayIcon)
         m_trayIcon->show();
-
-    return true;
 }
 
-
-void TrayIcon::setAppServerUrl(QString appServerUrl)
-{
-    m_appServerUrl = appServerUrl;
-}
-
-// Check whether system tray exists
-bool TrayIcon::isSystemTrayAvailable()
-{
-    int timeout = 10; // 30 sec * 10 = 5 minutes, thus we timeout after 5 minutes
-    int iteration = 0;
-    bool trayFound = false;
-
-    while (iteration < timeout)
-    {
-        // Check we can find the system tray.
-        if (!QSystemTrayIcon::isSystemTrayAvailable())
-        {
-            // Wait for 30 seconds.
-            wait(3000);
-            trayFound = false;
-        }
-        else
-        {
-            trayFound = true;
-            break;
-        }
-        iteration++;
-    }
-
-    return trayFound;
-
-}
-
-
-// Make application wait for msec milliseconds
-void TrayIcon::wait(int msec)
-{
-   QMutex mutex;
-   QWaitCondition wc;
-   mutex.lock();
-   wc.wait(&mutex, msec);
-   mutex.unlock();
-}
-
-
 // Create the tray icon
 void TrayIcon::createTrayIcon()
 {
@@ -135,116 +72,21 @@ void TrayIcon::createTrayIcon()
     setWindowIcon(icon);
 }
 
-
 // Create the menu actions
 void TrayIcon::createActions()
 {
     m_newAction = new QAction(QString(tr("&New %1 window...")).arg(PGA_APP_NAME), this);
-    connect(m_newAction, SIGNAL(triggered()), this, SLOT(onNew()));
+    connect(m_newAction, SIGNAL(triggered()), m_menuActions, SLOT(onNew()));
 
     m_configAction = new QAction(tr("&Configure..."), this);
-    connect(m_configAction, SIGNAL(triggered()), this, SLOT(onConfig()));
+    connect(m_configAction, SIGNAL(triggered()), m_menuActions, SLOT(onConfig()));
 
     m_logAction = new QAction(tr("&View log..."), this);
-    connect(m_logAction, SIGNAL(triggered()), this, SLOT(onLog()));
+    connect(m_logAction, SIGNAL(triggered()), m_menuActions, SLOT(onLog()));
 
     m_quitAction = new QAction(tr("&Shut down server"), this);
     m_quitAction->setEnabled(false);
-    connect(m_quitAction, SIGNAL(triggered()), this, SLOT(onQuit()));
+    connect(m_quitAction, SIGNAL(triggered()), m_menuActions, SLOT(onQuit()));
-}
-
-
-// Create a new application browser window on user request
-void TrayIcon::onNew()
-{
-    QSettings settings;
-    QString cmd = settings.value("BrowserCommand").toString();
-
-    if (!cmd.isEmpty())
-    {
-        cmd.replace("%URL%", m_appServerUrl);
-        QProcess::startDetached(cmd);
-    }
-    else
-    {
-        if (!QDesktopServices::openUrl(m_appServerUrl))
-        {
-            QString error(QWidget::tr("Failed to open the system default web browser. Is one installed?."));
-            QMessageBox::critical(NULL, QString(QWidget::tr("Fatal Error")), error);
-
-            exit(1);
-        }
-    }
-}
-
-// Show the config dialogue
-void TrayIcon::onConfig()
-{
-    QSettings settings;
-    bool ok;
-
-    ConfigWindow *dlg = new ConfigWindow();
-    dlg->setWindowTitle(QString(tr("%1 Configuration")).arg(PGA_APP_NAME));
-    dlg->setBrowserCommand(settings.value("BrowserCommand").toString());
-    dlg->setPythonPath(settings.value("PythonPath").toString());
-    dlg->setApplicationPath(settings.value("ApplicationPath").toString());
-    dlg->setModal(true);
-    ok = dlg->exec();
-
-    QString browsercommand = dlg->getBrowserCommand();
-    QString pythonpath = dlg->getPythonPath();
-    QString applicationpath = dlg->getApplicationPath();
-
-    if (ok)
-    {
-        bool needRestart = (settings.value("PythonPath").toString() != pythonpath ||
-                            settings.value("ApplicationPath").toString() != applicationpath);
-
-        settings.setValue("BrowserCommand", browsercommand);
-        settings.setValue("PythonPath", pythonpath);
-        settings.setValue("ApplicationPath", applicationpath);
-
-        if (needRestart)
-        {
-            if (QMessageBox::Yes == QMessageBox::question(this, tr("Shut down server?"), QString(tr("The %1 server must be restarted for changes to take effect. Do you want to shut down the server now?")).arg(PGA_APP_NAME), QMessageBox::Yes | QMessageBox::No))
-            {
-                exit(0);
-            }
-        }
-    }
-}
-
-
-// Show the log window
-void TrayIcon::onLog()
-{
-    QSettings settings;
-
-    if (!m_logWindow)
-    {
-        m_logWindow = new LogWindow(NULL, m_logFile);
-        m_logWindow->setWindowTitle(QString(tr("%1 Log")).arg(PGA_APP_NAME));
-    }
-
-    m_logWindow->show();
-    m_logWindow->raise();
-    m_logWindow->activateWindow();
-
-    QCoreApplication::processEvents( QEventLoop::AllEvents, 100 );
-
-    m_logWindow->ReadLog();
-}
-
-
-// Exit
-void TrayIcon::onQuit()
-{
-    if (QMessageBox::Yes == QMessageBox::question(this, tr("Shut down server?"), QString(tr("Are you sure you want to shut down the %1 server?")).arg(PGA_APP_NAME), QMessageBox::Yes | QMessageBox::No))
-    {
-        // Emit the signal to shut down the python server.
-        emit shutdownSignal(m_appServerUrl);
-        exit(0);
-    }
 }
 
 void TrayIcon::enableShutdownMenu()
@@ -254,3 +96,8 @@ void TrayIcon::enableShutdownMenu()
         m_quitAction->setEnabled(true);
     }
 }
+
+void TrayIcon::setMenuActions(MenuActions * menuActions)
+{
+    m_menuActions = menuActions;
+}

runtime/TrayIcon.h

@@ -16,30 +16,24 @@
 
 // QT headers
 #include <QWidget>
-#include <QMessageBox>
+#include "MenuActions.h"
-
-// App headers
-#include "LogWindow.h"
 
 class TrayIcon : public QWidget
 {
     Q_OBJECT
 
 public:
-    TrayIcon(QString logFile);
+    TrayIcon();
     ~TrayIcon();
 
-    bool Init();
+    void Init();
-    void setAppServerUrl(QString appServerUrl);
     void enableShutdownMenu();
+    void setMenuActions(MenuActions * menuActions);
 
 private:
     void createTrayIcon();
-    bool isSystemTrayAvailable();
     void createActions();
 
-    void wait(int msec);
-
     QAction *m_newAction;
     QAction *m_configAction;
     QAction *m_logAction;
@@ -48,18 +42,7 @@ private:
     QSystemTrayIcon *m_trayIcon;
     QMenu *m_trayIconMenu;
 
-    QString m_appServerUrl, m_logFile;
+    MenuActions *m_menuActions;
-
-    LogWindow *m_logWindow;
-
-private slots:
-    void onNew();
-    void onConfig();
-    void onLog();
-    void onQuit();
-
-signals:
-    void shutdownSignal(QUrl);
 };
 
 #endif // TRAYICON_H

runtime/pgAdmin4.cpp

@@ -34,6 +34,8 @@
 #include "ConfigWindow.h"
 #include "Server.h"
 #include "TrayIcon.h"
+#include "MenuActions.h"
+#include "FloatingWindow.h"
 
 #include <QTime>
 
@@ -172,6 +174,7 @@ int main(int argc, char * argv[])
     // Display the spash screen
     QSplashScreen *splash = new QSplashScreen();
     splash->setPixmap(QPixmap(":/splash.png"));
+    splash->setWindowFlags(splash->windowFlags() | Qt::WindowStaysOnTopHint);
     splash->show();
     app.processEvents(QEventLoop::AllEvents);
 
@@ -205,15 +208,43 @@ int main(int argc, char * argv[])
     // Generate the filename for the log
     logFileName = homeDir + (QString("/.%1.%2.log").arg(PGA_APP_NAME).arg(exeHash)).remove(" ");
 
-    // Start the tray service
+    // Create Menu Actions
-    TrayIcon *trayicon = new TrayIcon(logFileName);
+    MenuActions *menuActions = new MenuActions();
+    if(menuActions != NULL)
+        menuActions->setLogFile(logFileName);
 
-    if (!trayicon->Init())
+    splash->showMessage(QString(QWidget::tr("Checking for system tray...")), Qt::AlignBottom | Qt::AlignCenter);
+
+    // Check system tray is available or not. If not then create one floating window.
+    FloatingWindow *floatingWindow = NULL;
+    TrayIcon *trayicon = NULL;
+    if (QSystemTrayIcon::isSystemTrayAvailable())
     {
-        QString error = QString(QWidget::tr("An error occurred initialising the tray icon"));
+        // Start the tray service
-        QMessageBox::critical(NULL, QString(QWidget::tr("Fatal Error")), error);
+        trayicon = new TrayIcon();
 
-        exit(1);
+        // Set the MenuActions object to connect to slot
+        if (trayicon != NULL)
+            trayicon->setMenuActions(menuActions);
+
+        trayicon->Init();
+    }
+    else
+    {
+        splash->showMessage(QString(QWidget::tr("System tray not found, creating floating window...")), Qt::AlignBottom | Qt::AlignCenter);
+        // Unable to find tray icon, so creating floting window
+        floatingWindow = new FloatingWindow();
+        if (floatingWindow == NULL)
+        {
+            QString error = QString(QWidget::tr("Unable to initialize either a tray icon or control window."));
+            QMessageBox::critical(NULL, QString(QWidget::tr("Fatal Error")), error);
+
+            exit(1);
+        }
+
+        // Set the MenuActions object to connect to slot
+        floatingWindow->setMenuActions(menuActions);
+        floatingWindow->Init();
     }
 
     // Fire up the webserver
@@ -221,6 +252,7 @@ int main(int argc, char * argv[])
 
     bool done = false;
 
+    splash->showMessage(QString(QWidget::tr("Starting pgAdmin4 server...")), Qt::AlignBottom | Qt::AlignCenter);
     while (done != true)
     {
         server = new Server(port, key, logFileName);
@@ -335,9 +367,13 @@ int main(int argc, char * argv[])
     }
 
     // Go!
-    trayicon->setAppServerUrl(appServerUrl);
+    menuActions->setAppServerUrl(appServerUrl);
+
     // Enable the shutdown server menu as server started successfully.
-    trayicon->enableShutdownMenu();
+    if (trayicon != NULL)
+        trayicon->enableShutdownMenu();
+    if (floatingWindow != NULL)
+        floatingWindow->enableShutdownMenu();
 
     QString cmd = settings.value("BrowserCommand").toString();
 
@@ -357,10 +393,12 @@ int main(int argc, char * argv[])
         }
     }
 
-    QObject::connect(trayicon, SIGNAL(shutdownSignal(QUrl)), server, SLOT(shutdown(QUrl)));
+    QObject::connect(menuActions, SIGNAL(shutdownSignal(QUrl)), server, SLOT(shutdown(QUrl)));
-
     splash->finish(NULL);
 
+    if (floatingWindow != NULL)
+        floatingWindow->show();
+
     return app.exec();
 }
 

runtime/pgAdmin4.pro

@@ -87,19 +87,23 @@ else {
 }
 
 # Source code
-HEADERS     =   \
+HEADERS     =   Server.h \
-                Server.h \
                 pgAdmin4.h \
                 ConfigWindow.h \
                 TrayIcon.h \
-                LogWindow.h
+                LogWindow.h \
+                MenuActions.h \
+                FloatingWindow.h
 SOURCES     =   pgAdmin4.cpp \
                 Server.cpp \
                 ConfigWindow.cpp \
                 TrayIcon.cpp \
-                LogWindow.cpp
+                LogWindow.cpp \
+                MenuActions.cpp \
+                FloatingWindow.cpp
 FORMS       =   ConfigWindow.ui \
-                LogWindow.ui
+                LogWindow.ui \
+                FloatingWindow.ui
 ICON        =   pgAdmin4.icns
 QMAKE_INFO_PLIST = Info.plist