Add file association settings to program preferences (Windows)

Changelog

@@ -1,4 +1,5 @@
 * Unreleased - Christophe Dumez <chris@qbittorrent.org> - v2.9.0
+    - FEATURE: Add file association settings to program preferences (Windows)
     - BUGFIX: Add tray menu entry for toggling window visibility
     - COSMETIC: Display speed at the beginning of the Window title
     - OTHER: Display libraries versions in about dialog (sledgehammer999)

src/mainwindow.cpp

@@ -284,11 +284,12 @@ MainWindow::MainWindow(QWidget *parent, QStringList torrentCmdLine) : QMainWindo
 
   qDebug("GUI Built");
 #ifdef Q_WS_WIN
-  if(!pref.neverCheckFileAssoc() && !Preferences::isFileAssocOk()) {
+  if(!pref.neverCheckFileAssoc() && (!Preferences::isTorrentFileAssocSet() || !Preferences::isMagnetLinkAssocSet())) {
     if(QMessageBox::question(0, tr("Torrent file association"),
                              tr("qBittorrent is not the default application to open torrent files or Magnet links.\nDo you want to associate qBittorrent to torrent files and Magnet links?"),
                              QMessageBox::Yes|QMessageBox::No, QMessageBox::Yes) == QMessageBox::Yes) {
-      Preferences::setFileAssoc();
+      Preferences::setTorrentFileAssoc(true);
+      Preferences::setMagnetLinkAssoc(true);
     } else {
       pref.setNeverCheckFileAssoc();
     }

src/preferences/options.ui

@@ -170,9 +170,9 @@
            <property name="geometry">
             <rect>
              <x>0</x>
-             <y>0</y>
-             <width>489</width>
-             <height>601</height>
+             <y>-176</y>
+             <width>485</width>
+             <height>632</height>
             </rect>
            </property>
            <layout class="QVBoxLayout" name="verticalLayout_9">
@@ -434,6 +434,29 @@
                     </item>
                    </layout>
                   </item>
+                  <item>
+                   <widget class="QGroupBox" name="groupFileAssociation">
+                    <property name="title">
+                     <string>File association</string>
+                    </property>
+                    <layout class="QVBoxLayout" name="verticalLayout_28">
+                     <item>
+                      <widget class="QCheckBox" name="checkAssociateTorrents">
+                       <property name="text">
+                        <string>Use qBittorrent for .torrent files</string>
+                       </property>
+                      </widget>
+                     </item>
+                     <item>
+                      <widget class="QCheckBox" name="checkAssociateMagnetLinks">
+                       <property name="text">
+                        <string>Use qBittorrent for magnet links</string>
+                       </property>
+                      </widget>
+                     </item>
+                    </layout>
+                   </widget>
+                  </item>
                  </layout>
                 </widget>
                </item>
@@ -487,8 +510,8 @@
             <rect>
              <x>0</x>
              <y>0</y>
-             <width>501</width>
-             <height>999</height>
+             <width>488</width>
+             <height>902</height>
             </rect>
            </property>
            <layout class="QVBoxLayout" name="verticalLayout">
@@ -947,8 +970,8 @@
             <rect>
              <x>0</x>
              <y>0</y>
-             <width>489</width>
-             <height>560</height>
+             <width>443</width>
+             <height>506</height>
             </rect>
            </property>
            <layout class="QVBoxLayout" name="verticalLayout_20">
@@ -1391,8 +1414,8 @@
             <rect>
              <x>0</x>
              <y>0</y>
-             <width>507</width>
-             <height>510</height>
+             <width>384</width>
+             <height>440</height>
             </rect>
            </property>
            <layout class="QVBoxLayout" name="verticalLayout_33">
@@ -1803,8 +1826,8 @@
             <rect>
              <x>0</x>
              <y>0</y>
-             <width>546</width>
-             <height>492</height>
+             <width>530</width>
+             <height>444</height>
             </rect>
            </property>
            <layout class="QVBoxLayout" name="verticalLayout_7">
@@ -2176,8 +2199,8 @@
             <rect>
              <x>0</x>
              <y>0</y>
-             <width>451</width>
-             <height>594</height>
+             <width>419</width>
+             <height>535</height>
             </rect>
            </property>
            <layout class="QVBoxLayout" name="verticalLayout_23">

src/preferences/options_imp.cpp

@@ -120,6 +120,11 @@ options_imp::options_imp(QWidget *parent):
 #if defined(QT_NO_OPENSSL)
   checkWebUiHttps->setVisible(false);
 #endif
+
+#ifndef Q_WS_WIN
+  groupFileAssociation->setVisible(false);
+#endif
+
   // Connect signals / slots
   // Proxy tab
   connect(comboProxyType, SIGNAL(currentIndexChanged(int)),this, SLOT(enableProxy(int)));
@@ -355,6 +360,11 @@ void options_imp::saveOptions(){
   pref.setSplashScreenDisabled(isSlashScreenDisabled());
   pref.setConfirmOnExit(checkProgramExitConfirm->isChecked());
   pref.setPreventFromSuspend(preventFromSuspend());
+#ifdef Q_WS_WIN
+  // Windows: file association settings
+  Preferences::setTorrentFileAssoc(checkAssociateTorrents->isChecked());
+  Preferences::setMagnetLinkAssoc(checkAssociateMagnetLinks->isChecked());
+#endif
   // End General preferences
 
   // Downloads preferences
@@ -519,6 +529,11 @@ void options_imp::loadOptions(){
   comboTrayIcon->setCurrentIndex(pref.trayIconStyle());
   checkProgramExitConfirm->setChecked(pref.confirmOnExit());
   checkPreventFromSuspend->setChecked(pref.preventFromSuspend());
+#ifdef Q_WS_WIN
+  // Windows: file association settings
+  checkAssociateTorrents->setChecked(Preferences::isTorrentFileAssocSet());
+  checkAssociateMagnetLinks->setChecked(Preferences::isMagnetLinkAssocSet());
+#endif
   // End General preferences
   // Downloads preferences
   QString save_path = pref.getSavePath();

src/preferences/preferences.h

@@ -1083,11 +1083,11 @@ public:
     return value(QString::fromUtf8("Preferences/Win32/NeverCheckFileAssocation"), false).toBool();
   }
 
-  void setNeverCheckFileAssoc(bool check=true) {
+  void setNeverCheckFileAssoc(bool check = true) {
     setValue(QString::fromUtf8("Preferences/Win32/NeverCheckFileAssocation"), check);
   }
 
-  static bool isFileAssocOk() {
+  static bool isTorrentFileAssocSet() {
     QSettings settings("HKEY_CLASSES_ROOT", QIniSettings::NativeFormat);
     if(settings.value(".torrent/Default").toString() != "qBittorrent") {
       qDebug(".torrent != qBittorrent");
@@ -1107,37 +1107,72 @@ public:
     const QString icon_str = "\""+qApp->applicationFilePath().replace("/", "\\")+"\",1";
     if(settings.value("qBittorrent/DefaultIcon/Default", icon_str).toString().compare(icon_str, Qt::CaseInsensitive) != 0)
       return false;
+
+    return true;
+  }
+
+  static bool isMagnetLinkAssocSet() {
+    QSettings settings("HKEY_CLASSES_ROOT", QIniSettings::NativeFormat);
+
     // Check magnet link assoc
-    shell_command = settings.value("Magnet/shell/open/command/Default", "").toString();
+    QRegExp exe_reg("\"([^\"]+)\".*");
+    QString shell_command = settings.value("Magnet/shell/open/command/Default", "").toString();
     if(exe_reg.indexIn(shell_command) < 0)
       return false;
-    assoc_exe = exe_reg.cap(1);
+    QString assoc_exe = exe_reg.cap(1);
     qDebug("exe: %s", qPrintable(assoc_exe));
     if(assoc_exe.compare(qApp->applicationFilePath().replace("/", "\\"), Qt::CaseInsensitive) != 0)
       return false;
     return true;
   }
 
-  static void setFileAssoc() {
+  static void setTorrentFileAssoc(bool set) {
     QSettings settings("HKEY_CLASSES_ROOT", QSettings::NativeFormat);
+
     // .Torrent association
+    if (set) {
+      const QString command_str = "\""+qApp->applicationFilePath().replace("/", "\\")+"\" \"%1\"";
+      const QString icon_str = "\""+qApp->applicationFilePath().replace("/", "\\")+"\",1";
+
       settings.setValue(".torrent/Default", "qBittorrent");
       settings.setValue(".torrent/Content Type", "application/x-bittorrent");
       settings.setValue("qBittorrent/shell/Default", "open");
-    const QString command_str = "\""+qApp->applicationFilePath().replace("/", "\\")+"\" \"%1\"";
       settings.setValue("qBittorrent/shell/open/command/Default", command_str);
       settings.setValue("qBittorrent/Content Type/Default", "application/x-bittorrent");
-    const QString icon_str = "\""+qApp->applicationFilePath().replace("/", "\\")+"\",1";
       settings.setValue("qBittorrent/DefaultIcon/Default", icon_str);
+    } else {
+      settings.remove(".torrent/Default");
+      settings.remove(".torrent/Content Type");
+      settings.remove("qBittorrent/shell/Default");
+      settings.remove("qBittorrent/shell/open/command/Default");
+      settings.remove("qBittorrent/Content Type/Default");
+      settings.remove("qBittorrent/DefaultIcon/Default");
+    }
+  }
+
+  static void setMagnetLinkAssoc(bool set) {
+    QSettings settings("HKEY_CLASSES_ROOT", QSettings::NativeFormat);
+
     // Magnet association
+    if (set) {
+      const QString command_str = "\""+qApp->applicationFilePath().replace("/", "\\")+"\" \"%1\"";
+      const QString icon_str = "\""+qApp->applicationFilePath().replace("/", "\\")+"\",1";
+
       settings.setValue("Magnet/Default", "Magnet URI");
       settings.setValue("Magnet/Content Type", "application/x-magnet");
       settings.setValue("Magnet/URL Protocol", "");
       settings.setValue("Magnet/DefaultIcon/Default", icon_str);
       settings.setValue("Magnet/shell/Default", "open");
       settings.setValue("Magnet/shell/open/command/Default", command_str);
+    } else {
+      settings.remove("Magnet/Default");
+      settings.remove("Magnet/Content Type");
+      settings.remove("Magnet/URL Protocol");
+      settings.remove("Magnet/DefaultIcon/Default");
+      settings.remove("Magnet/shell/Default");
+      settings.remove("Magnet/shell/open/command/Default");
+    }
   }
-
 #endif
 
   bool isTrackerEnabled() const {