Eliminate redundant terminal spawning

Panes are always stored even in single paned tabs, the condition gating restoring box layout is always true so the initial terminal spawned was always immediately overwritten.

Author: Davidy22

guake/guake_app.py

@@ -1346,16 +1346,15 @@ def save_tabs(self, filename="session.json"):
             for index in range(nb.get_n_pages()):
                 try:
                     page = nb.get_nth_page(index)
-                    if page.child:
-                        panes = []
-                        page.save_box_layout(page.child, panes)
-                        tabs.append(
-                            {
-                                "panes": panes,
-                                "label": nb.get_tab_text_index(index),
-                                "custom_label_set": getattr(page, "custom_label_set", False),
-                            }
-                        )
+                    panes = []
+                    page.save_box_layout(page.child, panes)
+                    tabs.append(
+                        {
+                            "panes": panes,
+                            "label": nb.get_tab_text_index(index),
+                            "custom_label_set": getattr(page, "custom_label_set", False),
+                        }
+                    )
                 except FileNotFoundError:
                     # discard same broken tabs
                     pass
@@ -1440,16 +1439,18 @@ def restore_tabs(self, filename="session.json", suppress_notify=False):
                 # NOTE: If frame implement in future, we will need to update this code
                 for tabs in frames:
                     for index, tab in enumerate(tabs):
-                        directory = (
-                            tab["panes"][0]["directory"]
-                            if len(tab.get("panes", [])) == 1
-                            else tab.get("directory", None)
-                        )
-                        box, page_num, term = nb.new_page_with_focus(
-                            directory, tab["label"], tab["custom_label_set"]
-                        )
                         if tab.get("panes", False):
+                            box, page_num, term = nb.new_page_with_focus(
+                                label=tab["label"], empty=True
+                            )
                             box.restore_box_layout(box.child, tab["panes"])
+                        else:
+                            directory = (
+                                tab["panes"][0]["directory"]
+                                if len(tab.get("panes", [])) == 1
+                                else tab.get("directory", None)
+                            )
+                            nb.new_page_with_focus(directory, tab["label"], tab["custom_label_set"])
 
                     # Remove original pages in notebook
                     for i in range(current_pages):

guake/notebook.py

@@ -340,10 +340,13 @@ def delete_page_by_label(self, label, kill=True, prompt=0):
     def delete_page_current(self, kill=True, prompt=0):
         self.delete_page(self.get_current_page(), kill, prompt)
 
-    def new_page(self, directory=None, position=None):
-        terminal = self.terminal_spawn(directory)
+    def new_page(self, directory=None, position=None, empty=False):
         terminal_box = TerminalBox()
-        terminal_box.set_terminal(terminal)
+        if empty:
+            terminal = None
+        else:
+            terminal = self.terminal_spawn(directory)
+            terminal_box.set_terminal(terminal)
         root_terminal_box = RootTerminalBox(self.guake, self)
         root_terminal_box.set_child(terminal_box)
         page_num = self.insert_page(
@@ -358,7 +361,8 @@ def new_page(self, directory=None, position=None):
         )
         # this is needed to initially set the last_terminal_focused,
         # one could also call terminal.get_parent().on_terminal_focus()
-        self.terminal_attached(terminal)
+        if not empty:
+            self.terminal_attached(terminal)
         self.hide_tabbar_if_one_tab()
 
         if self.guake:
@@ -405,14 +409,17 @@ def terminal_attached(self, terminal):
         terminal.emit("focus", Gtk.DirectionType.TAB_FORWARD)
         self.emit("terminal-spawned", terminal, terminal.pid)
 
-    def new_page_with_focus(self, directory=None, label=None, user_set=False, position=None):
-        box, page_num, terminal = self.new_page(directory, position=position)
+    def new_page_with_focus(
+        self, directory=None, label=None, user_set=False, position=None, empty=False
+    ):
+        box, page_num, terminal = self.new_page(directory, position=position, empty=empty)
         self.set_current_page(page_num)
         if not label:
             self.rename_page(page_num, _("Terminal"), False)
         else:
             self.rename_page(page_num, label, user_set)
-        terminal.grab_focus()
+        if terminal is not None:
+            terminal.grab_focus()
         return box, page_num, terminal
 
     def rename_page(self, page_index, new_text, user_set=False):

releasenotes/notes/eliminate-redundant-spawning-4584ba3107d196e5.yaml

@@ -0,0 +1,2 @@
+release_summary: >
+  Eliminated redundant terminal spawning on startup