Fix some memory leaks and mismatches

src/core/core.cpp

@@ -1248,7 +1248,7 @@ QString Core::getFriendUsername(uint32_t friendnumber) const
     uint8_t* name = new uint8_t[namesize];
     tox_friend_get_name(tox, friendnumber, name, nullptr);
     QString sname = CString::toString(name, namesize);
-    delete name;
+    delete[] name;
     return sname;
 }
 

src/misc/qrwidget.cpp

@@ -21,6 +21,11 @@ QRWidget::QRWidget(QWidget *parent) : QWidget(parent), data("0")
     image = new QImage(size, QImage::Format_RGB32);
 }
 
+QRWidget::~QRWidget()
+{
+    delete image;
+}
+
 void QRWidget::setQRData(const QString& data)
 {
     this->data = data;

src/misc/qrwidget.h

@@ -11,6 +11,7 @@ class QRWidget : public QWidget
 
 public:
     explicit QRWidget(QWidget *parent = 0);
+    ~QRWidget();
     void setQRData(const QString& data);
     QImage* getImage();
     bool saveImage(QString path);

src/widget/form/chatform.cpp

@@ -69,7 +69,7 @@ ChatForm::ChatForm(Friend* chatFriend)
 
     typingTimer.setSingleShot(true);
 
-    netcam = new NetCamView();
+    netcam = nullptr;
     callDurationTimer = nullptr;
     disableCallButtonsTimer = nullptr;
 
@@ -307,7 +307,7 @@ void ChatForm::onAvStart(uint32_t FriendId, int CallId, bool video)
         connect(videoButton, SIGNAL(clicked()),
                 this, SLOT(onHangupCallTriggered()));
 
-        netcam->show(Core::getInstance()->getVideoSourceFromCall(CallId), f->getDisplayedName());
+        showNetcam();
     }
     else
     {
@@ -349,7 +349,7 @@ void ChatForm::onAvCancel(uint32_t FriendId, int)
     enableCallButtons();
     stopCounter();
 
-    netcam->hide();
+    hideNetcam();
 
     addSystemInfoMessage(tr("%1 stopped calling").arg(f->getDisplayedName()), ChatMessage::INFO, QDateTime::currentDateTime());
 }
@@ -366,7 +366,7 @@ void ChatForm::onAvEnd(uint32_t FriendId, int)
 
     enableCallButtons();
     stopCounter();
-    netcam->hide();
+    hideNetcam();
 }
 
 void ChatForm::onAvRinging(uint32_t FriendId, int CallId, bool video)
@@ -424,7 +424,7 @@ void ChatForm::onAvStarting(uint32_t FriendId, int CallId, bool video)
         videoButton->setToolTip(tr("End video call"));
         connect(videoButton, SIGNAL(clicked()), this, SLOT(onHangupCallTriggered()));
 
-        netcam->show(Core::getInstance()->getVideoSourceFromCall(CallId), f->getDisplayedName());
+        showNetcam();
     }
     else
     {
@@ -453,7 +453,7 @@ void ChatForm::onAvEnding(uint32_t FriendId, int)
     enableCallButtons();
     stopCounter();
 
-    netcam->hide();
+    hideNetcam();
 }
 
 void ChatForm::onAvRequestTimeout(uint32_t FriendId, int)
@@ -469,7 +469,7 @@ void ChatForm::onAvRequestTimeout(uint32_t FriendId, int)
     enableCallButtons();
     stopCounter();
 
-    netcam->hide();
+    hideNetcam();
 }
 
 void ChatForm::onAvPeerTimeout(uint32_t FriendId, int)
@@ -485,7 +485,7 @@ void ChatForm::onAvPeerTimeout(uint32_t FriendId, int)
     enableCallButtons();
     stopCounter();
 
-    netcam->hide();
+    hideNetcam();
 }
 
 void ChatForm::onAvRejected(uint32_t FriendId, int)
@@ -502,7 +502,7 @@ void ChatForm::onAvRejected(uint32_t FriendId, int)
 
     insertChatMessage(ChatMessage::createChatInfoMessage(tr("Call rejected"), ChatMessage::INFO, QDateTime::currentDateTime()));
 
-    netcam->hide();
+    hideNetcam();
 }
 
 void ChatForm::onAvMediaChange(uint32_t FriendId, int CallId, bool video)
@@ -513,9 +513,9 @@ void ChatForm::onAvMediaChange(uint32_t FriendId, int CallId, bool video)
     qDebug() << "onAvMediaChange";
 
     if (video)
-        netcam->show(Core::getInstance()->getVideoSourceFromCall(CallId), f->getDisplayedName());
+        showNetcam();
     else
-        netcam->hide();
+        hideNetcam();
 }
 
 void ChatForm::onAnswerCallTriggered()
@@ -538,7 +538,7 @@ void ChatForm::onHangupCallTriggered()
     qDebug() << "onHangupCallTriggered";
 
     //Fixes an OS X bug with ending a call while in full screen
-    if (netcam->isFullScreen())
+    if (netcam && netcam->isFullScreen())
         netcam->showNormal();
 
     audioInputFlag = false;
@@ -606,7 +606,7 @@ void ChatForm::onCancelCallTriggered()
 
     enableCallButtons();
 
-    netcam->hide();
+    hideNetcam();
     emit cancelCall(callId, f->getFriendID());
 }
 
@@ -1035,3 +1035,19 @@ void ChatForm::SendMessageStr(QString msg)
         msgEdit->setLastMessage(msg); //set last message only when sending it
     }
 }
+
+void ChatForm::showNetcam()
+{
+    if (!netcam)
+        netcam = new NetCamView();
+    netcam->show(Core::getInstance()->getVideoSourceFromCall(callId), f->getDisplayedName());
+}
+
+void ChatForm::hideNetcam()
+{
+    if (!netcam)
+        return;
+    netcam->hide();
+    delete netcam;
+    netcam = nullptr;
+}

src/widget/form/chatform.h

@@ -99,6 +99,8 @@ private slots:
     void doScreenshot();
 
 protected:
+    void showNetcam();
+    void hideNetcam();
     // drag & drop
     void dragEnterEvent(QDragEnterEvent* ev);
     void dropEvent(QDropEvent* ev);

src/widget/form/profileform.cpp

@@ -49,7 +49,7 @@ void ProfileForm::refreshProfiles()
 }
 
 ProfileForm::ProfileForm(QWidget *parent) :
-    QWidget(parent)
+    QWidget{parent}, qr{nullptr}
 {
     bodyUI = new Ui::IdentitySettings;
     bodyUI->setupUi(this);
@@ -132,6 +132,7 @@ ProfileForm::ProfileForm(QWidget *parent) :
 
 ProfileForm::~ProfileForm()
 {
+    delete qr;
     delete bodyUI;
     head->deleteLater();
 }
@@ -182,6 +183,7 @@ void ProfileForm::setToxId(const QString& id)
     toxId->setText(id);
     toxId->setCursorPosition(0);
 
+    delete qr;
     qr = new QRWidget();
     qr->setQRData("tox:"+id);
     bodyUI->qrCode->setPixmap(QPixmap::fromImage(qr->getImage()->scaledToWidth(150)));

src/widget/maskablepixmapwidget.cpp

@@ -26,6 +26,11 @@ MaskablePixmapWidget::MaskablePixmapWidget(QWidget *parent, QSize size, QString
     setSize(size);
 }
 
+MaskablePixmapWidget::~MaskablePixmapWidget()
+{
+    delete renderTarget;
+}
+
 void MaskablePixmapWidget::autopickBackground()
 {
     QImage pic = pixmap.toImage();

src/widget/maskablepixmapwidget.h

@@ -24,7 +24,7 @@ class MaskablePixmapWidget : public QWidget
     Q_OBJECT
 public:
     MaskablePixmapWidget(QWidget *parent, QSize size, QString maskName = QString());
-
+    ~MaskablePixmapWidget();
     void autopickBackground();
     void setClickable(bool clickable);
     void setPixmap(const QPixmap &pmap, QColor background);

src/widget/tool/screenshotgrabber.cpp

@@ -34,8 +34,8 @@ ScreenshotGrabber::ScreenshotGrabber(QWidget* parent)
     : QWidget(parent)
 {
     
-    QGraphicsScene* scene = new QGraphicsScene;
-    this->window = new QGraphicsView (scene); // Top-level widget
+    scene = new QGraphicsScene;
+    window = new QGraphicsView (scene); // Top-level widget
     setupWindow();
     setupScene(scene);
     
@@ -45,6 +45,7 @@ ScreenshotGrabber::ScreenshotGrabber(QWidget* parent)
 
 ScreenshotGrabber::~ScreenshotGrabber()
 {
+    delete scene;
 }
 
 bool ScreenshotGrabber::eventFilter(QObject* object, QEvent* event)

src/widget/tool/screenshotgrabber.h

@@ -71,13 +71,13 @@ private:
     void beginRectChooser(QGraphicsSceneMouseEvent* event);
     
     QPixmap screenGrab;
+    QGraphicsScene* scene;
     QGraphicsView* window;
     QGraphicsPixmapItem* screenGrabDisplay;
     ScreenGrabberOverlayItem* overlay;
     ScreenGrabberChooserRectItem* chooserRect;
     ToolBoxGraphicsItem* helperToolbox;
     QGraphicsTextItem* helperTooltip;
-    
 };