refactor(circlewidget): link CircleWidget ContentDialogs using signals

src/widget/circlewidget.cpp

@@ -113,8 +113,8 @@ void CircleWidget::contextMenuEvent(QContextMenuEvent* event)
 
             circleList.remove(replacedCircle);
         } else if (selectedItem == openAction) {
-            ContentDialog* dialog = Widget::getInstance()->createContentDialog();
-
+            ContentDialog* dialog = new ContentDialog();
+            emit newContentDialog(*dialog);
             for (int i = 0; i < friendOnlineLayout()->count(); ++i) {
                 QWidget* const widget = friendOnlineLayout()->itemAt(i)->widget();
                 FriendWidget* const friendWidget = qobject_cast<FriendWidget*>(widget);

src/widget/circlewidget.h

@@ -22,6 +22,8 @@
 
 #include "categorywidget.h"
 
+class ContentDialog;
+
 class CircleWidget final : public CategoryWidget
 {
     Q_OBJECT
@@ -35,6 +37,7 @@ public:
 signals:
     void renameRequested(CircleWidget* circleWidget, const QString& newName);
     void searchCircle(CircleWidget& circletWidget);
+    void newContentDialog(ContentDialog& contentDialog);
 
 protected:
     void contextMenuEvent(QContextMenuEvent* event) final override;

src/widget/contentdialogmanager.cpp

@@ -19,17 +19,16 @@
 
 #include "contentdialogmanager.h"
 
-#include "src/widget/friendwidget.h"
-#include "src/widget/groupwidget.h"
 #include "src/friendlist.h"
 #include "src/grouplist.h"
 #include "src/model/friend.h"
 #include "src/model/group.h"
+#include "src/widget/friendwidget.h"
+#include "src/widget/groupwidget.h"
 
 #include <tuple>
 
-namespace
-{
+namespace {
 void removeDialog(ContentDialog* dialog, QHash<const ContactId&, ContentDialog*>& dialogs)
 {
     for (auto it = dialogs.begin(); it != dialogs.end();) {
@@ -40,7 +39,7 @@ void removeDialog(ContentDialog* dialog, QHash<const ContactId&, ContentDialog*>
         }
     }
 }
-}
+} // namespace
 
 ContentDialogManager* ContentDialogManager::instance;
 
@@ -60,7 +59,8 @@ bool ContentDialogManager::contactWidgetExists(const ContactId& contactId)
 }
 
 FriendWidget* ContentDialogManager::addFriendToDialog(ContentDialog* dialog,
-    std::shared_ptr<FriendChatroom> chatroom, GenericChatForm* form)
+                                                      std::shared_ptr<FriendChatroom> chatroom,
+                                                      GenericChatForm* form)
 {
     auto friendWidget = dialog->addFriend(chatroom, form);
     const auto friendPk = friendWidget->getFriend()->getPublicKey();
@@ -75,7 +75,8 @@ FriendWidget* ContentDialogManager::addFriendToDialog(ContentDialog* dialog,
 }
 
 GroupWidget* ContentDialogManager::addGroupToDialog(ContentDialog* dialog,
-    std::shared_ptr<GroupChatroom> chatroom, GenericChatForm* form)
+                                                    std::shared_ptr<GroupChatroom> chatroom,
+                                                    GenericChatForm* form)
 {
     auto groupWidget = dialog->addGroup(chatroom, form);
     const auto& groupId = groupWidget->getGroup()->getPersistentId();
@@ -103,7 +104,8 @@ void ContentDialogManager::focusContact(const ContactId& contactId)
  * @param list List with dialogs
  * @return ContentDialog if found, nullptr otherwise
  */
-ContentDialog* ContentDialogManager::focusDialog(const ContactId& id, const QHash<const ContactId&, ContentDialog*>& list)
+ContentDialog* ContentDialogManager::focusDialog(const ContactId& id,
+                                                 const QHash<const ContactId&, ContentDialog*>& list)
 {
     auto iter = list.find(id);
     if (iter == list.end()) {
@@ -178,11 +180,11 @@ ContentDialogManager* ContentDialogManager::getInstance()
     return instance;
 }
 
-void ContentDialogManager::addContentDialog(ContentDialog* dialog)
+void ContentDialogManager::addContentDialog(ContentDialog& dialog)
 {
-    currentDialog = dialog;
-    connect(dialog, &ContentDialog::willClose, this, &ContentDialogManager::onDialogClose);
-    connect(dialog, &ContentDialog::activated, this, &ContentDialogManager::onDialogActivate);
+    currentDialog = &dialog;
+    connect(&dialog, &ContentDialog::willClose, this, &ContentDialogManager::onDialogClose);
+    connect(&dialog, &ContentDialog::activated, this, &ContentDialogManager::onDialogActivate);
 }
 
 void ContentDialogManager::onDialogActivate()
@@ -203,10 +205,10 @@ void ContentDialogManager::onDialogClose()
 
 IDialogs* ContentDialogManager::getFriendDialogs(const ToxPk& friendPk) const
 {
-  return getFriendDialog(friendPk);
+    return getFriendDialog(friendPk);
 }
 
 IDialogs* ContentDialogManager::getGroupDialogs(const GroupId& groupId) const
 {
-  return getGroupDialog(groupId);
+    return getGroupDialog(groupId);
 }

src/widget/contentdialogmanager.h

@@ -20,11 +20,11 @@
 #ifndef _CONTENT_DIALOG_MANAGER_H_
 #define _CONTENT_DIALOG_MANAGER_H_
 
+#include "contentdialog.h"
 #include "src/core/contactid.h"
-#include "src/core/toxpk.h"
 #include "src/core/groupid.h"
+#include "src/core/toxpk.h"
 #include "src/model/dialogs/idialogsmanager.h"
-#include "contentdialog.h"
 
 #include <QObject>
 
@@ -47,10 +47,12 @@ public:
     IDialogs* getFriendDialogs(const ToxPk& friendPk) const;
     IDialogs* getGroupDialogs(const GroupId& groupId) const;
 
-    FriendWidget* addFriendToDialog(ContentDialog* dialog, std::shared_ptr<FriendChatroom> chatroom, GenericChatForm* form);
-    GroupWidget* addGroupToDialog(ContentDialog* dialog, std::shared_ptr<GroupChatroom> chatroom, GenericChatForm* form);
+    FriendWidget* addFriendToDialog(ContentDialog* dialog, std::shared_ptr<FriendChatroom> chatroom,
+                                    GenericChatForm* form);
+    GroupWidget* addGroupToDialog(ContentDialog* dialog, std::shared_ptr<GroupChatroom> chatroom,
+                                  GenericChatForm* form);
 
-    void addContentDialog(ContentDialog* dialog);
+    void addContentDialog(ContentDialog& dialog);
 
     static ContentDialogManager* getInstance();
 
@@ -59,7 +61,8 @@ private slots:
     void onDialogActivate();
 
 private:
-    ContentDialog* focusDialog(const ContactId& id, const QHash<const ContactId&, ContentDialog*>& list);
+    ContentDialog* focusDialog(const ContactId& id,
+                               const QHash<const ContactId&, ContentDialog*>& list);
 
     ContentDialog* currentDialog = nullptr;
 

src/widget/widget.cpp

@@ -1818,26 +1818,30 @@ void Widget::onUpdateAvailable(QString /*latestVersion*/, QUrl /*link*/)
 ContentDialog* Widget::createContentDialog() const
 {
     ContentDialog* contentDialog = new ContentDialog();
-    ContentDialogManager::getInstance()->addContentDialog(contentDialog);
 
-    connect(contentDialog, &ContentDialog::friendDialogShown, this, &Widget::onFriendDialogShown);
-    connect(contentDialog, &ContentDialog::groupDialogShown, this, &Widget::onGroupDialogShown);
-    connect(core, &Core::usernameSet, contentDialog, &ContentDialog::setUsername);
-    connect(&settings, &Settings::groupchatPositionChanged, contentDialog,
+    registerContentDialog(*contentDialog);
+    return contentDialog;
+}
+
+void Widget::registerContentDialog(ContentDialog& contentDialog) const
+{
+    ContentDialogManager::getInstance()->addContentDialog(contentDialog);
+    connect(&contentDialog, &ContentDialog::friendDialogShown, this, &Widget::onFriendDialogShown);
+    connect(&contentDialog, &ContentDialog::groupDialogShown, this, &Widget::onGroupDialogShown);
+    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);
-    connect(contentDialog, &ContentDialog::connectFriendWidget, this, &Widget::connectFriendWidget);
+    connect(&contentDialog, &ContentDialog::addFriendDialog, this, &Widget::addFriendDialog);
+    connect(&contentDialog, &ContentDialog::addGroupDialog, this, &Widget::addGroupDialog);
+    connect(&contentDialog, &ContentDialog::connectFriendWidget, this, &Widget::connectFriendWidget);
 
 #ifdef Q_OS_MAC
     Nexus& n = Nexus::getInstance();
-    connect(contentDialog, &ContentDialog::destroyed, &n, &Nexus::updateWindowsClosed);
-    connect(contentDialog, &ContentDialog::windowStateChanged, &n, &Nexus::onWindowStateChanged);
-    connect(contentDialog->windowHandle(), &QWindow::windowTitleChanged, &n, &Nexus::updateWindows);
+    connect(&contentDialog, &ContentDialog::destroyed, &n, &Nexus::updateWindowsClosed);
+    connect(&contentDialog, &ContentDialog::windowStateChanged, &n, &Nexus::onWindowStateChanged);
+    connect(contentDialog.windowHandle(), &QWindow::windowTitleChanged, &n, &Nexus::updateWindows);
     n.updateWindows();
 #endif
-
-    return contentDialog;
 }
 
 ContentLayout* Widget::createContentDialog(DialogType type) const
@@ -2702,6 +2706,7 @@ void Widget::refreshPeerListsLocal(const QString& username)
 void Widget::connectCircleWidget(CircleWidget& circleWidget)
 {
     connect(&circleWidget, &CircleWidget::searchCircle, this, &Widget::searchCircle);
+    connect(&circleWidget, &CircleWidget::newContentDialog, this, &Widget::registerContentDialog);
 }
 
 void Widget::connectFriendWidget(FriendWidget& friendWidget)

src/widget/widget.h

@@ -243,6 +243,7 @@ private slots:
     void connectFriendWidget(FriendWidget& friendWidget);
     void searchCircle(CircleWidget& circleWidget);
     void updateFriendActivity(const Friend& frnd);
+    void registerContentDialog(ContentDialog& contentDialog) const;
 
 private:
     // QMainWindow overrides