MessageInputTextView: Add focus borders

gajim/chat_control_base.py

@@ -217,6 +217,8 @@ def __init__(self, parent_win, widget_name, contact, acct,
             'set_visible')
 
         self.msg_scrolledwindow = ScrolledWindow()
+        self.msg_scrolledwindow.get_style_context().add_class(
+            'message-input-border')
         self.msg_scrolledwindow.add(self.msg_textview)
 
         self.xml.hbox.pack_start(self.msg_scrolledwindow, True, True, 0)

gajim/data/style/gajim.css

@@ -30,6 +30,14 @@
 
 .chatcontrol-separator {margin-bottom: 5px;}
 
+.message-input-border {
+    border: 2px solid transparent;
+}
+.message-input-focus {
+    border: 2px solid @theme_selected_bg_color;
+    border-radius: 4px;
+}
+
 .link-button { min-height: 0px; }
 
 /* VCardWindow */

gajim/gtk/message_input.py

@@ -92,6 +92,8 @@ def __init__(self):
         self.end_tags['strike'] = '</span>'
 
         self.connect_after('paste-clipboard', self._after_paste_clipboard)
+        self.connect('focus-in-event', self._on_focus_in)
+        self.connect('focus-out-event', self._on_focus_out)
         self.connect('destroy', self._on_destroy)
 
     def _on_destroy(self, *args):
@@ -105,6 +107,16 @@ def _on_destroy(self, *args):
             None,
             Gdk.DragAction.DEFAULT)
 
+    def _on_focus_in(self, _widget, _event):
+        scrolled = self.get_parent()
+        scrolled.get_style_context().add_class('message-input-focus')
+        return False
+
+    def _on_focus_out(self, _widget, _event):
+        scrolled = self.get_parent()
+        scrolled.get_style_context().remove_class('message-input-focus')
+        return False
+
     def insert_text(self, text):
         self.get_buffer().insert_at_cursor(text)