feat(chat): allow for editing last user message using arrow-up key

src/app/modules/main/chat_section/chat_content/messages/view.nim

@@ -166,6 +166,12 @@ QtObject:
   proc jumpToMessage*(self: View, messageId: string) {.slot.} =
     self.delegate.scrollToMessage(messageId)
 
+  proc setEditModeOnAndScrollToLastMessage*(self: View, pubkey: string) {.slot.} =
+    let lastMessage = self.model.getLastItemFrom(pubKey)
+    if lastMessage != nil and lastMessage.id != "":
+      self.model.setEditModeOn(lastMessage.id)
+      self.jumpToMessage(lastMessage.id)
+
   proc resendMessage*(self: View, messageId: string) {.slot.} =
     let error = self.delegate.resendChatMessage(messageId)
     if (error != ""):

src/app/modules/shared_models/message_model.nim

@@ -354,6 +354,13 @@ QtObject:
     self.countChanged()
     self.updateMessagesWithResponseTo(messageId)
 
+  proc getLastItemFrom*(self: Model, pubkey: string): Item =
+    # last item == first time since we process messages in reverse order
+    for i in 0 ..< self.items.len:
+      if self.items[i].senderId == pubkey:
+        return self.items[i]
+
+
   proc getItemWithMessageId*(self: Model, messageId: string): Item =
     let ind = self.findIndexForMessageId(messageId)
     if(ind == -1):

ui/app/AppLayouts/Chat/stores/MessageStore.qml

@@ -180,6 +180,12 @@ QtObject {
         messageModule.setEditModeOn(messageId)
     }
 
+    function setEditModeOnLastMessage(pubkey) {
+        if(!messageModule)
+            return
+        messageModule.setEditModeOnAndScrollToLastMessage(pubkey)
+    }
+
     function setEditModeOff(messageId) {
         if(!messageModule)
             return

ui/app/AppLayouts/Chat/views/ChatContentView.qml

@@ -250,6 +250,7 @@ ColumnLayout {
                 onUnblockChat: {
                     chatContentModule.unblockChat()
                 }
+                onKeyUpPress: messageStore.setEditModeOnLastMessage(root.rootStore.userProfileInst.pubKey)
             }
         }
     }

ui/imports/shared/status/StatusChatInput.qml

@@ -28,6 +28,7 @@ Rectangle {
     signal stickerSelected(string hashId, string packId, string url)
     signal sendMessage(var event)
     signal unblockChat()
+    signal keyUpPress()
 
     property var usersStore
     property var store
@@ -358,6 +359,10 @@ Rectangle {
         } else if (event.key === Qt.Key_Escape && control.isReply) {
             control.isReply = false
             event.accepted = true
+        } else if (event.key === Qt.Key_Up && getPlainText() == "") {
+            event.accepted = true
+            control.keyUpPress()
+            return 
         }
 
         const symbolPressed = event.text.length > 0 &&