location aware resize

kitty/kitty.conf

@@ -55,10 +55,10 @@ map kitty_mod+] next_layout
 map kitty_mod+- launch --location=hsplit --cwd=current
 map kitty_mod+\ launch --location=vsplit --cwd=current
 
-map kitty_mod+left resize_window narrower
-map kitty_mod+right resize_window wider
-map kitty_mod+up resize_window taller
-map kitty_mod+down resize_window shorter 3
+map alt+j kitten pass_keys.py relative_resize down  3 alt+j
+map alt+k kitten pass_keys.py relative_resize up    3 alt+k
+map alt+h kitten pass_keys.py relative_resize left  3 alt+h
+map alt+l kitten pass_keys.py relative_resize right 3 alt+l
 
 map kitty_mod+d detach_window ask
 map kitty_mod+w focus_visible_window

kitty/pass_keys.py

@@ -1,9 +1,12 @@
+# Based on MIT licensed code at https://github.com/mrjones2014/smart-splits.nvim/blob/master/kitty/pass_keys.py
 import re
 
 from kittens.tui.handler import result_handler
 from kitty.key_encoding import KeyEvent, parse_shortcut
 from kittens.ssh.utils import is_kitten_cmdline
 
+from relative_resize import relative_resize_window
+
 # for logging during debug, use something like
 # boss.call_remote_control(window, ("send-text", "--match", "id:{target}", f"{message}\n"))
 
@@ -51,17 +54,23 @@ def main():
 @result_handler(no_ui=True)
 def handle_result(args, result, target_window_id, boss):
     window = boss.window_id_map.get(target_window_id)
+    action = args[1]
     direction = args[2]
-    key_mapping = args[3]
-    vim_id = args[4] if len(args) > 4 else "(n?vim|emacs)"
+    key_mapping = args[3] if action == 'neighboring_window' else args[4]
+    amount = int(args[3]) if action == 'relative_resize' else None
+    vim_id_idx = 4 if action == 'neighboring_window' else 5
+    vim_id = args[vim_id_idx] if len(args) > vim_id_idx else "(n?vim|emacs)"
 
     if window is None:
         return
 
-    if is_window_vim(window, vim_id):
-        encoded = encode_key_mapping(window, key_mapping)
-        window.write_to_child(encoded)
-    else:
+    if is_window_vim(window, vim_id) and action == 'neighboring_window':
+        for keymap in key_mapping.split(">"):
+            encoded = encode_key_mapping(window, key_mapping)
+            window.write_to_child(encoded)
+    elif action == 'neighboring_window':
         # do nothing if fully focused on one window
         if boss.active_tab._current_layout_name != "stack":
             boss.active_tab.neighboring_window(direction)
+    elif action == 'relative_resize':
+        relative_resize_window(direction, amount, target_window_id, boss)

kitty/relative_resize.py

@@ -0,0 +1,65 @@
+# Based on MIT licensed code at https://github.com/chancez/dotfiles/blob/badc69d3895a6a942285amount26b8c372a55d77533eamount/kitty/.config/kitty/relative_resize.py
+from kittens.tui.handler import result_handler
+
+def main(args):
+    pass
+
+def relative_resize_window(direction, amount, target_window_id, boss):
+    window = boss.window_id_map.get(target_window_id)
+    if window is None:
+        return
+
+    neighbors = boss.active_tab.current_layout.neighbors_for_window(window, boss.active_tab.windows)
+    current_window_id = boss.active_tab.active_window
+
+    left_neighbors = neighbors.get('left')
+    right_neighbors = neighbors.get('right')
+    top_neighbors = neighbors.get('top')
+    bottom_neighbors = neighbors.get('bottom')
+
+    # has a neighbor on both sides
+    if direction == 'left' and (left_neighbors and right_neighbors):
+        boss.active_tab.resize_window('narrower', amount)
+    # only has left neighbor
+    elif direction == 'left' and left_neighbors:
+        boss.active_tab.resize_window('wider', amount)
+    # only has right neighbor
+    elif direction == 'left' and right_neighbors:
+        boss.active_tab.resize_window('narrower', amount)
+
+    # has a neighbor on both sides
+    elif direction == 'right' and (left_neighbors and right_neighbors):
+        boss.active_tab.resize_window('wider', amount)
+    # only has left neighbor
+    elif direction == 'right' and left_neighbors:
+        boss.active_tab.resize_window('narrower', amount)
+    # only has right neighbor
+    elif direction == 'right' and right_neighbors:
+        boss.active_tab.resize_window('wider', amount)
+
+    # has a neighbor above and below
+    elif direction == 'up' and (top_neighbors and bottom_neighbors):
+        boss.active_tab.resize_window('shorter', amount)
+    # only has top neighbor
+    elif direction == 'up' and top_neighbors:
+        boss.active_tab.resize_window('taller', amount)
+    # only has bottom neighbor
+    elif direction == 'up' and bottom_neighbors:
+        boss.active_tab.resize_window('shorter', amount)
+
+    # has a neighbor above and below
+    elif direction == 'down' and (top_neighbors and bottom_neighbors):
+        boss.active_tab.resize_window('taller', amount)
+    # only has top neighbor
+    elif direction == 'down' and top_neighbors:
+        boss.active_tab.resize_window('shorter', amount)
+    # only has bottom neighbor
+    elif direction == 'down' and bottom_neighbors:
+        boss.active_tab.resize_window('taller', amount)
+
+@result_handler(no_ui=True)
+def handle_result(args, result, target_window_id, boss):
+    direction = args[1]
+    amount = int(args[2])
+    if boss.active_tab._current_layour_name != "stack":
+        relative_resize_window(direction, amount, target_window_id, boss)