irc: expand Send dialog input without allowing newlines

- Remove allow_newline; Enter triggers Send via is_enter_default.
- Keep use_available_height + condensed to reduce scroll bars.

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

main.lua

@@ -23,7 +23,7 @@ local lfs = require("libs/libkoreader-lfs")
 local IrcChatView = TextViewer:extend{
     title = _("IRC Chat"),
     text = "",
-    add_default_buttons = false,
+    add_default_buttons = true,
     monospace_font = true,
     text_type = "code",
     keep_running = true, -- keep connection alive when UI is closed
@@ -48,23 +48,67 @@ local IrcChatView = TextViewer:extend{
 }
 
 function IrcChatView:init(reinit)
-    -- Buttons: Send, Close
+    -- Mark UI as open so append/refresh paths repaint immediately
-    self.buttons_table = {
+    self._ui_open = true
+    -- Build buttons: first our Send row, then TextViewer's default row
+    -- Disable TextViewer's automatic default buttons to avoid duplication
+    self.add_default_buttons = false
+    local send_row = {
         {
-            {
+            text = _("Send"),
-                text = _("Send"),
+            callback = function()
-                callback = function()
+                self:promptSendMessage()
-                    self:promptSendMessage()
+            end,
-                end,
+        },
-            },
-            {
-                text = _("Close"),
-                callback = function()
-                    self:onClose()
-                end,
-            },
-        }
     }
+    local default_row = {
+        {
+            text = _("Find"),
+            id = "find",
+            callback = function()
+                if self._find_next then
+                    self:findCallback()
+                else
+                    self:findDialog()
+                end
+            end,
+            hold_callback = function()
+                if self._find_next then
+                    self:findDialog()
+                else
+                    if self.default_hold_callback then
+                        self.default_hold_callback()
+                    end
+                end
+            end,
+        },
+        {
+            text = "⇱",
+            id = "top",
+            callback = function()
+                if self.scroll_text_w then self.scroll_text_w:scrollToTop() end
+            end,
+            hold_callback = self.default_hold_callback,
+            allow_hold_when_disabled = true,
+        },
+        {
+            text = "⇲",
+            id = "bottom",
+            callback = function()
+                if self.scroll_text_w then self.scroll_text_w:scrollToBottom() end
+            end,
+            hold_callback = self.default_hold_callback,
+            allow_hold_when_disabled = true,
+        },
+        {
+            text = _("Close"),
+            callback = function()
+                self:onClose()
+            end,
+            hold_callback = self.default_hold_callback,
+        },
+    }
+    self.buttons_table = { send_row, default_row }
     -- Buffers & title
     if not reinit then
         self._buffers = {}
@@ -267,12 +311,9 @@ function IrcChatView:appendLine(line, target)
     -- Persist to history
     self:writeHistory(target, prefix .. line)
     if target == (self._current_target or "*") then
-        if self._ui_open and self.scroll_text_w and self.scroll_text_w.text_widget then
+        if self._ui_open then
-            self.scroll_text_w.text_widget:setText(buf)
+            -- Reuse the same refresh path as the channel switcher
-            self.scroll_text_w:scrollToBottom()
+            self:refreshView(target)
-            if UIManager and self.frame and self.frame.dimen then
-                UIManager:setDirty(self, function() return "ui", self.frame.dimen end)
-            end
         end
     else
         -- increment unread counter for background target
@@ -416,15 +457,26 @@ function IrcChatView:promptSendMessage()
     dialog = InputDialog:new{
         title = _("Send message"),
         input = "",
+        -- Keep single-line input semantics on Enter, but expand the box
+        use_available_height = true,    -- expand input to available height
+        condensed = true,               -- reduce extra padding to maximize text area
         buttons = {
             {
                 {
                     text = _("Send"),
                     is_default = true,
+                    is_enter_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,
                 },
                 {
@@ -440,6 +492,24 @@ 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
+        local s = self._buffers[target] or ""
+        self.text = s
+        self.scroll_text_w.text_widget:setText(s)
+        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
@@ -590,14 +660,6 @@ function IrcChatView:handleLine(line)
                 end
             end
             return
-        elseif command == "NICK" then -- someone changed nick; update ours if it's us
-            local newnick = rest:match("^:(.+)$") or rest
-            local oldnick = prefix:match("^([^!]+)!") or prefix
-            if oldnick == self._nick and newnick and #newnick > 0 then
-                self._nick = newnick
-                self:appendLine(T(_("You are now known as %1"), newnick))
-            end
-            return
         elseif command == "376" or command == "422" then
             -- End of MOTD / No MOTD: safe to join if not yet joined
             if not self._registered then self._registered = true end