Add "pin" action to usercards and reply threads (#4692)

src/widgets/dialogs/ReplyThreadPopup.cpp

@@ -62,6 +62,11 @@ ReplyThreadPopup::ReplyThreadPopup(bool closeAutomatically, QWidget *parent,
              }
              return "";
          }},
+        {"pin",
+         [this](std::vector<QString> /*arguments*/) -> QString {
+             this->togglePinned();
+             return "";
+         }},
 
         // these actions make no sense in the context of a reply thread, so they aren't implemented
         {"execModeratorAction", nullptr},

src/widgets/dialogs/UserInfoPopup.cpp

@@ -231,6 +231,11 @@ UserInfoPopup::UserInfoPopup(bool closeAutomatically, QWidget *parent,
              this->underlyingChannel_->sendMessage(msg);
              return "";
          }},
+        {"pin",
+         [this](std::vector<QString> /*arguments*/) -> QString {
+             this->togglePinned();
+             return "";
+         }},
 
         // these actions make no sense in the context of a usercard, so they aren't implemented
         {"reject", nullptr},

src/widgets/dialogs/UserInfoPopup.hpp

@@ -59,9 +59,9 @@ private:
     std::unique_ptr<pajlada::Signals::ScopedConnection> refreshConnection_;
 
     // If we should close the dialog automatically if the user clicks out
-    // Initially set based on the "Automatically close usercard when it loses focus" setting
-    // If that setting is enabled, this can be toggled on and off using the pin in the top-right corner
-    bool closeAutomatically_;
+    // Set based on the "Automatically close usercard when it loses focus" setting
+    // Pinned status is tracked in DraggablePopup::isPinned_.
+    const bool closeAutomatically_;
 
     struct {
         Button *avatarButton = nullptr;