From c2fcad0f3fdaba6690258ad8d059f36c9eba95cb Mon Sep 17 00:00:00 2001
From: Aleks Kissinger <aleks0@gmail.com>
Date: Sat, 20 Oct 2018 14:46:45 +0200
Subject: added about box

---
 src/gui/mainmenu.cpp   | 37 +++++++++++++++++++++++++++++++++++++
 src/gui/mainmenu.h     |  6 ++++++
 src/gui/mainmenu.ui    | 28 ++++++++++++++++++++++++++++
 src/gui/mainwindow.cpp |  5 +++++
 src/gui/mainwindow.h   |  2 ++
 src/tikzit.cpp         | 35 ++++++++++++++++++++++++++++++++++-
 src/tikzit.h           | 10 +++++++---
 tikzit.pro             |  2 +-
 8 files changed, 120 insertions(+), 5 deletions(-)

diff --git a/src/gui/mainmenu.cpp b/src/gui/mainmenu.cpp
index 7d74fbe..b530f58 100644
--- a/src/gui/mainmenu.cpp
+++ b/src/gui/mainmenu.cpp
@@ -20,10 +20,19 @@
 #include "tikzit.h"
 
 #include <QDebug>
+#include <QSettings>
+#include <QMessageBox>
 
 MainMenu::MainMenu()
 {
+    QSettings settings("tikzit", "tikzit");
     ui.setupUi(this);
+
+    if (!settings.value("check-for-updates").isNull()) {
+        ui.actionCheck_for_updates_automatically->blockSignals(true);
+        ui.actionCheck_for_updates_automatically->setChecked(settings.value("check-for-updates").toBool());
+        ui.actionCheck_for_updates_automatically->blockSignals(false);
+    }
 }
 
 void MainMenu::addDocks(QMenu *m)
@@ -34,6 +43,11 @@ void MainMenu::addDocks(QMenu *m)
     }
 }
 
+QAction *MainMenu::updatesAction()
+{
+    return ui.actionCheck_for_updates_automatically;
+}
+
 // File
 void MainMenu::on_actionNew_triggered()
 {
@@ -225,3 +239,26 @@ void MainMenu::on_actionZoom_Out_triggered()
 {
     if (tikzit->activeWindow() != 0) tikzit->activeWindow()->tikzView()->zoomOut();
 }
+
+void MainMenu::on_actionAbout_triggered()
+{
+    QMessageBox::about(this,
+                       "TikZiT",
+                       "<h2><b>TikZiT</b></h2>"
+                       "<p><i>version " TIKZIT_VERSION "</i></p>"
+                       "<p>TikZiT is a GUI diagram editor for PGF/TikZ. It is licensed under the "
+                       "<a href=\"https://www.gnu.org/licenses/gpl-3.0.en.html\">GNU General "
+                       "Public License, version 3.0</a>.</p>"
+                       "<p>For more info and updates, visit: "
+                       "<a href=\"https://tikzit.github.io\">tikzit.github.io</a></p>");
+}
+
+void MainMenu::on_actionCheck_for_updates_automatically_triggered()
+{
+    qDebug() << "check automatically:" << ui.actionCheck_for_updates_automatically->isChecked();
+}
+
+void MainMenu::on_actionCheck_now_triggered()
+{
+    qDebug() << "check now";
+}
diff --git a/src/gui/mainmenu.h b/src/gui/mainmenu.h
index 82c447e..c14a284 100644
--- a/src/gui/mainmenu.h
+++ b/src/gui/mainmenu.h
@@ -29,6 +29,7 @@ class MainMenu : public QMenuBar
 public:
     MainMenu();
     void addDocks(QMenu *m);
+    QAction *updatesAction();
 
 private:
     Ui::MainMenu ui;
@@ -70,6 +71,11 @@ public slots:
     // View
     void on_actionZoom_In_triggered();
     void on_actionZoom_Out_triggered();
+
+    // Help
+    void on_actionAbout_triggered();
+    void on_actionCheck_for_updates_automatically_triggered();
+    void on_actionCheck_now_triggered();
 };
 
 #endif // MAINMENU_H
diff --git a/src/gui/mainmenu.ui b/src/gui/mainmenu.ui
index d144fce..0481c1d 100644
--- a/src/gui/mainmenu.ui
+++ b/src/gui/mainmenu.ui
@@ -82,6 +82,15 @@
    <addaction name="actionZoom_In"/>
    <addaction name="actionZoom_Out"/>
   </widget>
+  <widget class="QMenu" name="menuHelp">
+   <property name="title">
+    <string>Help</string>
+   </property>
+   <addaction name="actionAbout"/>
+   <addaction name="separator"/>
+   <addaction name="actionCheck_for_updates_automatically"/>
+   <addaction name="actionCheck_now"/>
+  </widget>
   <action name="actionNew">
    <property name="text">
     <string>New...</string>
@@ -308,10 +317,29 @@
     <string>Ctrl+[</string>
    </property>
   </action>
+  <action name="actionCheck_for_updates_automatically">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Check for updates automatically</string>
+   </property>
+  </action>
+  <action name="actionCheck_now">
+   <property name="text">
+    <string>Check now</string>
+   </property>
+  </action>
+  <action name="actionAbout">
+   <property name="text">
+    <string>About</string>
+   </property>
+  </action>
   <addaction name="menuFile"/>
   <addaction name="menuEdit"/>
   <addaction name="menuView"/>
   <addaction name="menuTikz"/>
+  <addaction name="menuHelp"/>
  </widget>
  <resources/>
  <connections/>
diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index d4d13b5..c450b5b 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -144,6 +144,11 @@ void MainWindow::changeEvent(QEvent *event)
     QMainWindow::changeEvent(event);
 }
 
+MainMenu *MainWindow::menu() const
+{
+    return _menu;
+}
+
 StylePalette *MainWindow::stylePalette() const
 {
     return _stylePalette;
diff --git a/src/gui/mainwindow.h b/src/gui/mainwindow.h
index a000784..21fbd5a 100644
--- a/src/gui/mainwindow.h
+++ b/src/gui/mainwindow.h
@@ -40,6 +40,8 @@ public:
     QString tikzSource();
     void setSourceLine(int line);
 
+    MainMenu *menu() const;
+
 public slots:
     void on_tikzSource_textChanged();
     void updateFileName();
diff --git a/src/tikzit.cpp b/src/tikzit.cpp
index 585e906..fc81739 100644
--- a/src/tikzit.cpp
+++ b/src/tikzit.cpp
@@ -106,7 +106,19 @@ void Tikzit::init()
     QString styleFile = settings.value("previous-tikzstyles-file").toString();
     if (!styleFile.isEmpty()) loadStyles(styleFile);
 
-    //connect(app, &QApplication::focusChanged, this, &focusChanged);
+    QVariant check = settings.value("check-for-updates");
+    if (check.isNull()) {
+        int resp = QMessageBox::question(0,
+          tr("Check for updates"),
+          tr("Would you like TikZiT to check for updates automatically?"
+             " (You can always change this later in the Help menu.)"),
+          QMessageBox::Yes | QMessageBox::Default,
+          QMessageBox::No,
+          QMessageBox::NoButton);
+        check.setValue(resp == QMessageBox::Yes);
+    }
+
+    setCheckForUpdates(check.toBool());
 }
 
 //QMenuBar *Tikzit::mainMenu() const
@@ -327,6 +339,27 @@ QString Tikzit::styleFilePath() const
     return _styleFilePath;
 }
 
+void Tikzit::setCheckForUpdates(bool check)
+{
+    QSettings settings("tikzit", "tikzit");
+    settings.setValue("check-for-updates", check);
+    foreach (MainWindow *w, _windows) {
+        w->menu()->updatesAction()->blockSignals(true);
+        w->menu()->updatesAction()->setChecked(check);
+        w->menu()->updatesAction()->blockSignals(false);
+    }
+}
+
+void Tikzit::checkForUpdates()
+{
+
+}
+
+void Tikzit::updateReply(QNetworkReply *reply)
+{
+
+}
+
 //StylePalette *Tikzit::stylePalette() const
 //{
 //    return _stylePalette;
diff --git a/src/tikzit.h b/src/tikzit.h
index 8980f17..87599e7 100644
--- a/src/tikzit.h
+++ b/src/tikzit.h
@@ -49,6 +49,8 @@
 #ifndef TIKZIT_H
 #define TIKZIT_H
 
+#define TIKZIT_VERSION "2.0-rc1"
+
 #include "mainwindow.h"
 #include "mainmenu.h"
 #include "ui_mainmenu.h"
@@ -67,6 +69,7 @@
 #include <QMainWindow>
 #include <QFont>
 #include <QColor>
+#include <QNetworkAccessManager>
 
 // Number of pixels between (0,0) and (1,0) at 100% zoom level. This should be
 // divisible by 8 to avoid rounding errors with e.g. grid-snapping.
@@ -107,8 +110,6 @@ public:
     void removeWindow(MainWindow *w);
 
     static QFont LABEL_FONT;
-//    Ui::MainMenu *_mainMenuUi;
-//    QMenuBar *_mainMenu;
 
     void newDoc();
     void open();
@@ -132,7 +133,10 @@ public:
     QString styleFilePath() const;
 
 public slots:
-    //void focusChanged(QWidget *old, QWidget *nw);
+    void setCheckForUpdates(bool check);
+    void checkForUpdates();
+    void updateReply(QNetworkReply *reply);
+
 private:
     //    void createMenu();
 
diff --git a/tikzit.pro b/tikzit.pro
index c4b8f84..0f3e24c 100644
--- a/tikzit.pro
+++ b/tikzit.pro
@@ -4,7 +4,7 @@
 #
 #-------------------------------------------------
 
-QT += core gui widgets
+QT += core gui widgets network
 
 test {
     CONFIG += testcase
-- 
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