Improved start_All and resume_All functions to detect if a torrent's state changed or not. This way, it doesn't flood the GUI if the user keeps on clicking on those buttons

src/GUI.cpp

@@ -1300,25 +1300,26 @@ void GUI::configureSession(bool deleteOptions){
 void GUI::on_actionPause_All_triggered(){
   QString fileHash;
   // Pause all torrents
-  BTSession.pauseAllTorrents();
-  // update download list
-  unsigned int nbRows = DLListModel->rowCount();
-  for(unsigned int i=0; i<nbRows; ++i){
-    fileHash = DLListModel->data(DLListModel->index(i, HASH)).toString();
-    // Create .paused file
-    QFile paused_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+fileHash+".paused");
-    paused_file.open(QIODevice::WriteOnly | QIODevice::Text);
-    paused_file.close();
-    // Update DL list items
-    DLListModel->setData(DLListModel->index(i, DLSPEED), QVariant((double)0.));
-    DLListModel->setData(DLListModel->index(i, UPSPEED), QVariant((double)0.));
-    DLListModel->setData(DLListModel->index(i, STATUS), QVariant(tr("Paused")));
-    DLListModel->setData(DLListModel->index(i, ETA), QVariant((qlonglong)-1));
-    DLListModel->setData(DLListModel->index(i, NAME), QVariant(QIcon(":/Icons/skin/paused.png")), Qt::DecorationRole);
-    DLListModel->setData(DLListModel->index(i, SEEDSLEECH), QVariant("0/0"));
-    setRowColor(i, "red");
-  }
-  setInfoBar(tr("All downloads were paused."));
+  if(BTSession.pauseAllTorrents()){
+    // update download list
+    unsigned int nbRows = DLListModel->rowCount();
+    for(unsigned int i=0; i<nbRows; ++i){
+      fileHash = DLListModel->data(DLListModel->index(i, HASH)).toString();
+      // Create .paused file
+      QFile paused_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+fileHash+".paused");
+      paused_file.open(QIODevice::WriteOnly | QIODevice::Text);
+      paused_file.close();
+      // Update DL list items
+      DLListModel->setData(DLListModel->index(i, DLSPEED), QVariant((double)0.));
+      DLListModel->setData(DLListModel->index(i, UPSPEED), QVariant((double)0.));
+      DLListModel->setData(DLListModel->index(i, STATUS), QVariant(tr("Paused")));
+      DLListModel->setData(DLListModel->index(i, ETA), QVariant((qlonglong)-1));
+      DLListModel->setData(DLListModel->index(i, NAME), QVariant(QIcon(":/Icons/skin/paused.png")), Qt::DecorationRole);
+      DLListModel->setData(DLListModel->index(i, SEEDSLEECH), QVariant("0/0"));
+      setRowColor(i, "red");
+    }
+    setInfoBar(tr("All downloads were paused."));
+  }
 }
 
 // pause selected items in the list
@@ -1351,19 +1352,20 @@ void GUI::on_actionPause_triggered(){
 void GUI::on_actionStart_All_triggered(){
   QString fileHash;
   // Pause all torrents
-  BTSession.resumeAllTorrents();
-  // update download list
-  unsigned int nbRows = DLListModel->rowCount();
-  for(unsigned int i=0; i<nbRows; ++i){
-    fileHash = DLListModel->data(DLListModel->index(i, HASH)).toString();
-    // Remove .paused file
-    QFile::remove(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+fileHash+".paused");
-    // Update DL list items
-    DLListModel->setData(DLListModel->index(i, STATUS), QVariant(tr("Connecting...", "i.e: Connecting to the tracker...")));
-    DLListModel->setData(DLListModel->index(i, NAME), QVariant(QIcon(":/Icons/skin/connecting.png")), Qt::DecorationRole);
-    setRowColor(i, "grey");
-  }
-  setInfoBar(tr("All downloads were resumed."));
+  if(BTSession.resumeAllTorrents()){
+    // update download list
+    unsigned int nbRows = DLListModel->rowCount();
+    for(unsigned int i=0; i<nbRows; ++i){
+      fileHash = DLListModel->data(DLListModel->index(i, HASH)).toString();
+      // Remove .paused file
+      QFile::remove(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+fileHash+".paused");
+      // Update DL list items
+      DLListModel->setData(DLListModel->index(i, STATUS), QVariant(tr("Connecting...", "i.e: Connecting to the tracker...")));
+      DLListModel->setData(DLListModel->index(i, NAME), QVariant(QIcon(":/Icons/skin/connecting.png")), Qt::DecorationRole);
+      setRowColor(i, "grey");
+    }
+    setInfoBar(tr("All downloads were resumed."));
+  }
 }
 
 // start selected items in the list

src/bittorrent.cpp

@@ -612,25 +612,31 @@ void bittorrent::saveTrackerFile(const QString& hash){
 }
 
 // Pause all torrents in session
-void bittorrent::pauseAllTorrents(){
+bool bittorrent::pauseAllTorrents(){
+  bool paused_torrents = false;
   std::vector<torrent_handle> handles = s->get_torrents();
   for(unsigned int i=0; i<handles.size(); ++i){
     torrent_handle h = handles[i];
     if(h.is_valid() && !h.is_paused()){
       h.pause();
+      paused_torrents = true;
     }
   }
+  return paused_torrents;
 }
 
 // Resume all torrents in session
-void bittorrent::resumeAllTorrents(){
+bool bittorrent::resumeAllTorrents(){
+  bool resumed_torrents = false;
   std::vector<torrent_handle> handles = s->get_torrents();
   for(unsigned int i=0; i<handles.size(); ++i){
     torrent_handle h = handles[i];
     if(h.is_valid() && h.is_paused()){
       h.resume();
+      resumed_torrents = true;
     }
   }
+  return resumed_torrents;
 }
 
 // Add uT PeX extension to bittorrent session

src/bittorrent.h

@@ -91,8 +91,8 @@ class bittorrent : public QObject{
     void downloadFromURLList(const QStringList& url_list);
     void deleteTorrent(const QString& hash, bool permanent = false);
     void pauseTorrent(const QString& hash);
-    void pauseAllTorrents();
-    void resumeAllTorrents();
+    bool pauseAllTorrents();
+    bool resumeAllTorrents();
     void resumeTorrent(const QString& hash);
     void enableDHT();
     void disableDHT();