refactor(widget): remove Widget singleton in ContentDialog

src/widget/contentdialog.cpp

@@ -37,10 +37,10 @@
 #include "src/model/status.h"
 #include "src/persistence/settings.h"
 #include "src/widget/contentlayout.h"
-#include "src/widget/friendwidget.h"
-#include "src/widget/groupwidget.h"
 #include "src/widget/form/chatform.h"
 #include "src/widget/friendlistlayout.h"
+#include "src/widget/friendwidget.h"
+#include "src/widget/groupwidget.h"
 #include "src/widget/style.h"
 #include "src/widget/tool/adjustingscrollarea.h"
 #include "src/widget/translator.h"
@@ -499,7 +499,7 @@ void ContentDialog::dropEvent(QDropEvent* event)
             return;
         }
 
-        Widget::getInstance()->addFriendDialog(contact, this);
+        emit addFriendDialog(contact, this);
         ensureSplitterVisible();
     } else if (group) {
         assert(event->mimeData()->hasFormat("groupId"));
@@ -509,7 +509,7 @@ void ContentDialog::dropEvent(QDropEvent* event)
             return;
         }
 
-        Widget::getInstance()->addGroupDialog(contact, this);
+        emit addGroupDialog(contact, this);
         ensureSplitterVisible();
     }
 }

src/widget/contentdialog.h

@@ -20,12 +20,12 @@
 #ifndef CONTENTDIALOG_H
 #define CONTENTDIALOG_H
 
+#include "src/core/groupid.h"
+#include "src/core/toxpk.h"
 #include "src/model/dialogs/idialogs.h"
+#include "src/model/status.h"
 #include "src/widget/genericchatitemlayout.h"
 #include "src/widget/tool/activatedialog.h"
-#include "src/model/status.h"
-#include "src/core/groupid.h"
-#include "src/core/toxpk.h"
 
 #include <memory>
 
@@ -79,6 +79,8 @@ public:
 signals:
     void friendDialogShown(const Friend* f);
     void groupDialogShown(Group* g);
+    void addFriendDialog(Friend* frnd, ContentDialog* contentDialog);
+    void addGroupDialog(Group* group, ContentDialog* contentDialog);
     void activated();
     void willClose();
 
@@ -116,7 +118,6 @@ private:
     void focusCommon(const ContactId& id, QHash<const ContactId&, GenericChatroomWidget*> list);
 
 private:
-
     QList<QLayout*> layouts;
     QSplitter* splitter;
     FriendListLayout* friendLayout;

src/widget/widget.cpp

@@ -1820,6 +1820,8 @@ ContentDialog* Widget::createContentDialog() const
     connect(core, &Core::usernameSet, contentDialog, &ContentDialog::setUsername);
     connect(&settings, &Settings::groupchatPositionChanged, contentDialog,
             &ContentDialog::reorderLayouts);
+    connect(contentDialog, &ContentDialog::addFriendDialog, this, &Widget::addFriendDialog);
+    connect(contentDialog, &ContentDialog::addGroupDialog, this, &Widget::addGroupDialog);
 
 #ifdef Q_OS_MAC
     Nexus& n = Nexus::getInstance();