style(constructors): Constructors are explicit now

src/chatlog/content/notificationicon.h

@@ -31,7 +31,7 @@ class NotificationIcon : public QObject,  public ChatLineContent
 {
     Q_OBJECT
 public:
-    NotificationIcon(QSize size);
+    explicit NotificationIcon(QSize size);
 
     virtual QRectF boundingRect() const override;
     virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;

src/core/coreav.h

@@ -45,7 +45,7 @@ class CoreAV : public QObject
     Q_OBJECT
 
 public:
-    CoreAV(Tox* tox);
+    explicit CoreAV(Tox* tox);
     ~CoreAV();
 
     const ToxAV* getToxAv() const;

src/core/toxcall.h

@@ -18,7 +18,7 @@ struct ToxCall
 {
 protected:
      ToxCall() = default;
-     ToxCall(uint32_t CallId);
+     explicit ToxCall(uint32_t CallId);
      ~ToxCall();
 public:
      ToxCall(const ToxCall& other) = delete;

src/persistence/historykeeper.h

@@ -69,7 +69,7 @@ public:
     QList<HistMessage> exportMessages();
 
 private:
-    HistoryKeeper(GenericDdInterface *db_);
+    explicit HistoryKeeper(GenericDdInterface *db_);
     HistoryKeeper(HistoryKeeper &hk) = delete;
     HistoryKeeper& operator=(const HistoryKeeper&) = delete;
     QString unWrapMessage(const QString &str);

src/persistence/offlinemsgengine.h

@@ -34,7 +34,7 @@ class OfflineMsgEngine : public QObject
 {
     Q_OBJECT
 public:
-    OfflineMsgEngine(Friend *);
+    explicit OfflineMsgEngine(Friend *);
     virtual ~OfflineMsgEngine();
     static QMutex globalMutex;
 

src/video/genericnetcamview.h

@@ -30,7 +30,7 @@ class GenericNetCamView : public QWidget
 {
     Q_OBJECT
 public:
-    GenericNetCamView(QWidget* parent);
+    explicit GenericNetCamView(QWidget* parent);
 
 signals:
     void showMessageClicked();

src/video/videoframe.h

@@ -37,7 +37,7 @@ struct vpx_image;
 class VideoFrame
 {
 public:
-    VideoFrame(AVFrame* frame);
+    explicit VideoFrame(AVFrame* frame);
     VideoFrame(AVFrame* frame, std::function<void()> freelistCallback);
     VideoFrame(AVFrame* frame, int w, int h, int fmt, std::function<void()> freelistCallback);
     ~VideoFrame();

src/widget/categorywidget.h

@@ -33,7 +33,7 @@ class CategoryWidget : public GenericChatItemWidget
 {
     Q_OBJECT
 public:
-    CategoryWidget(QWidget* parent = 0);
+    explicit CategoryWidget(QWidget* parent = 0);
 
     bool isExpanded() const;
     void setExpanded(bool isExpanded, bool save = true);

src/widget/contentlayout.h

@@ -27,7 +27,7 @@ class ContentLayout : public QVBoxLayout
 {
 public:
     ContentLayout();
-    ContentLayout(QWidget* parent);
+    explicit ContentLayout(QWidget* parent);
     ~ContentLayout();
 
     void clear();

src/widget/form/chatform.h

@@ -40,7 +40,7 @@ class ChatForm : public GenericChatForm
 {
     Q_OBJECT
 public:
-    ChatForm(Friend* chatFriend);
+    explicit ChatForm(Friend* chatFriend);
     ~ChatForm();
     void setStatusMessage(QString newMessage);
     void loadHistory(QDateTime since, bool processUndelivered = false);

src/widget/form/genericchatform.h

@@ -52,7 +52,7 @@ class GenericChatForm : public QWidget
 {
     Q_OBJECT
 public:
-    GenericChatForm(QWidget *parent = 0);
+    explicit GenericChatForm(QWidget *parent = 0);
     ~GenericChatForm();
 
     void setName(const QString &newName);

src/widget/form/groupchatform.h

@@ -33,7 +33,7 @@ class GroupChatForm : public GenericChatForm
 {
     Q_OBJECT
 public:
-    GroupChatForm(Group* chatGroup);
+    explicit GroupChatForm(Group* chatGroup);
     ~GroupChatForm();
 
     void onUserListChanged();

src/widget/form/profileform.h

@@ -52,7 +52,7 @@ class ProfileForm : public QWidget
 {
     Q_OBJECT
 public:
-    ProfileForm(QWidget *parent = nullptr);
+    explicit ProfileForm(QWidget *parent = nullptr);
     ~ProfileForm();
     virtual void show() final{}
     void show(ContentLayout* contentLayout);

src/widget/form/settings/generalform.h

@@ -32,7 +32,7 @@ class GeneralForm : public GenericForm
 {
     Q_OBJECT
 public:
-    GeneralForm(SettingsWidget *parent);
+    explicit GeneralForm(SettingsWidget *parent);
     ~GeneralForm();
     virtual QString getFormName() final override {return tr("General");}
 

src/widget/form/settings/genericsettings.h

@@ -24,7 +24,7 @@ class GenericForm : public QWidget
 {
     Q_OBJECT
 public:
-    GenericForm(const QPixmap &icon) : formIcon(icon) {;}
+    explicit GenericForm(const QPixmap &icon) : formIcon(icon) {;}
     virtual ~GenericForm() {}
 
     virtual QString getFormName() = 0;

src/widget/form/settingswidget.h

@@ -38,7 +38,7 @@ class SettingsWidget : public QWidget
 {
     Q_OBJECT
 public:
-    SettingsWidget(QWidget* parent = nullptr);
+    explicit SettingsWidget(QWidget* parent = nullptr);
     ~SettingsWidget();
 
     bool isShown() const;

src/widget/form/tabcompleter.h

@@ -37,7 +37,7 @@ class TabCompleter : public QObject
 {
     Q_OBJECT
 public:
-    explicit TabCompleter(ChatTextEdit* msgEdit, Group* group);
+    TabCompleter(ChatTextEdit* msgEdit, Group* group);
 
 public slots:
     void complete();

src/widget/genericchatitemwidget.h

@@ -36,7 +36,7 @@ public:
         FriendOnlineItem
     };
 
-    GenericChatItemWidget(QWidget *parent = 0);
+    explicit GenericChatItemWidget(QWidget *parent = 0);
 
     bool isCompact() const;
     void setCompact(bool compact);

src/widget/genericchatroomwidget.h

@@ -34,7 +34,7 @@ class GenericChatroomWidget : public GenericChatItemWidget
 {
     Q_OBJECT
 public:
-    GenericChatroomWidget(QWidget *parent = 0);
+    explicit GenericChatroomWidget(QWidget *parent = 0);
 
     virtual void setAsActiveChatroom() = 0;
     virtual void setAsInactiveChatroom() = 0;

src/widget/notificationscrollarea.h

@@ -29,7 +29,7 @@ class NotificationEdgeWidget;
 class NotificationScrollArea final : public AdjustingScrollArea
 {
 public:
-    NotificationScrollArea(QWidget* parent = 0);
+    explicit NotificationScrollArea(QWidget* parent = 0);
 
 public slots:
     void trackWidget(GenericChatroomWidget* widget);

src/widget/tool/croppinglabel.cpp

@@ -34,7 +34,7 @@ CroppingLabel::CroppingLabel(QWidget* parent)
     class LineEdit : public QLineEdit
     {
     public:
-        LineEdit(QWidget* parent = 0) :
+        explicit LineEdit(QWidget* parent = 0) :
             QLineEdit(parent)
         {}
 

src/widget/tool/movablewidget.h

@@ -25,7 +25,7 @@
 class MovableWidget : public QWidget
 {
 public:
-    MovableWidget(QWidget* parent);
+    explicit MovableWidget(QWidget* parent);
     void resetBoundary(QRect newBoundary);
     void setBoundary(QRect newBoundary);
     float getRatio() const;

src/widget/tool/screengrabberchooserrectitem.h

@@ -26,7 +26,7 @@ class ScreenGrabberChooserRectItem final : public QObject, public QGraphicsItemG
 {
     Q_OBJECT
 public:
-    ScreenGrabberChooserRectItem(QGraphicsScene* scene);
+    explicit ScreenGrabberChooserRectItem(QGraphicsScene* scene);
     ~ScreenGrabberChooserRectItem();
 
     virtual QRectF boundingRect() const final override;

src/widget/tool/screengrabberoverlayitem.h

@@ -28,7 +28,7 @@ class ScreenGrabberOverlayItem final : public QObject, public QGraphicsRectItem
 {
     Q_OBJECT
 public:
-    ScreenGrabberOverlayItem(ScreenshotGrabber* grabber);
+    explicit ScreenGrabberOverlayItem(ScreenshotGrabber* grabber);
     ~ScreenGrabberOverlayItem();
 
     void setChosenRect(QRect rect);

src/widget/tool/screenshotgrabber.h

@@ -39,7 +39,7 @@ class ScreenshotGrabber : public QObject
     Q_OBJECT
 public:
 
-    ScreenshotGrabber(QObject* parent);
+    explicit ScreenshotGrabber(QObject* parent);
     ~ScreenshotGrabber() override;
 
     bool eventFilter(QObject* object, QEvent* event) override;

src/widget/widget.cpp

@@ -1404,7 +1404,7 @@ ContentLayout* Widget::createContentDialog(DialogType type)
     class Dialog : public ActivateDialog
     {
     public:
-        Dialog(DialogType type)
+        explicit Dialog(DialogType type)
             : ActivateDialog()
             , type(type)
         {