irc: send before closing dialog and force a post-close refresh; add refreshView helper

Signed-off-by: Slendi <slendi@socopon.com>

main.lua

@@ -427,8 +427,15 @@ function IrcChatView:promptSendMessage()
                     is_default = true,
                     callback = function()
                         local txt = dialog:getInputText()
-                        UIManager:close(dialog)
+                        -- Update buffer/UI before closing dialog to ensure immediate repaint
                         self:sendMessage(txt)
+                        UIManager:close(dialog)
+                        -- And schedule a focused refresh after the dialog is gone
+                        if UIManager and self._ui_open then
+                            UIManager:nextTick(function()
+                                self:refreshView(self._current_target or "*")
+                            end)
+                        end
                     end,
                 },
                 {
@@ -444,6 +451,22 @@ function IrcChatView:promptSendMessage()
     dialog:onShowKeyboard(true)
 end
 
+function IrcChatView:refreshView(target)
+    target = target or self._current_target or "*"
+    if not self._ui_open then return end
+    self:preloadHistory(target)
+    if self.scroll_text_w and self.scroll_text_w.text_widget then
+        self.scroll_text_w.text_widget:setText(self._buffers[target] or "")
+        self.scroll_text_w:scrollToBottom()
+        if self.scroll_text_w.updateScrollBar then
+            self.scroll_text_w:updateScrollBar(true)
+        end
+    end
+    if UIManager and self.frame and self.frame.dimen then
+        UIManager:setDirty(self, function() return "ui", self.frame.dimen end)
+    end
+end
+
 function IrcChatView:receiveLoop()
     if self._closing then return end
     if not self._sock then return end