Add a remote control command for detach_tab

kitty/cmds.py

@@ -425,6 +425,50 @@ def detach_window(boss, window, payload):
 # }}}
 
 
+# detach_tab {{{
+@cmd(
+    'Detach a tab and place it in a different/new OS Window',
+    'Detach the specified tab and either move it into a new OS window'
+    ' or add it to the OS Window containing the tab specified by --target-tab',
+    options_spec=MATCH_TAB_OPTION + '\n\n' + MATCH_TAB_OPTION.replace('--match -m', '--target-tab -t') + '''\n
+--self
+type=bool-set
+If specified detach the tab this command is run in, rather than the active tab.
+''',
+    argspec=''
+)
+def cmd_detach_tab(global_opts, opts, args):
+    '''
+    match: Which tab to detach
+    target: Which OS Window to move the detached tab to
+    self: Boolean indicating whether to detach the tab the command is run in
+    '''
+    return {'match': opts.match, 'target': opts.target_tab, 'self': opts.self}
+
+
+def detach_tab(boss, window, payload):
+    pg = cmd_detach_tab.payload_get
+    match = pg(payload, 'match')
+    if match:
+        tabs = tuple(boss.match_tabs(match))
+        if not tabs:
+            raise MatchError(match)
+    else:
+        tabs = [window.tabref() if pg(payload, 'self') and window and window.tabref() else boss.active_tab]
+    match = pg(payload, 'target_tab')
+    kwargs = {}
+    if match:
+        targets = tuple(boss.match_tabs(match))
+        if not targets:
+            raise MatchError(match, 'tabs')
+        kwargs['target_os_window_id'] = targets[0].os_window_id
+
+    for tab in tabs:
+        boss._move_tab_to(tab=tab, **kwargs)
+
+# }}}
+
+
 # goto_layout {{{
 @cmd(
     'Set the window layout',