feat(hyprlua): add T/G scale adjust and Enter save+quit to monitor-manager

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

desktopenvs/hyprlua/hypr/usr/monitors.lua

@@ -1,9 +1,7 @@
--- https://wiki.hypr.land/Configuring/Basics/Monitors/
+-- generated by monitor-manager -- do not edit by hand
 hl.monitor({
-    output   = "",
-    mode     = "highres",
-    position = "auto",
-    scale    = 2,
+    output = "eDP-1",
+    mirror = "none",
 })
 
 hl.config({

desktopenvs/hyprlua/scripts/monitor-manager

@@ -7,9 +7,11 @@ Keys (normal mode):
   h j k l           move monitor (50 px)
   H J K L           move monitor (10 px fine)
   u / i             rotate CCW / CW
+  T / G             scale up / scale down (0.25 steps)
   m                 toggle mirror (pick target) / un-mirror
   n / N             cycle display mode forward / backward
   s                 save to hypr/usr/monitors.lua
+  Enter             save & quit
   q / Esc           quit (prompts if unsaved changes)
 
 Mirror-pick mode:
@@ -35,6 +37,9 @@ from typing import List, Optional
 MONITORS_LUA = Path.home() / "Dotfiles/desktopenvs/hyprlua/hypr/usr/monitors.lua"
 MOVE_STEP       = 50
 MOVE_STEP_FINE  = 10
+SCALE_STEP      = 0.25
+MIN_SCALE       = 0.25
+MAX_SCALE       = 4.0
 MIN_BOX_W       = 14
 MIN_BOX_H       = 4
 INFO_W          = 32
@@ -380,6 +385,11 @@ class App:
             self.rotate_monitor(-1)
         elif ch == ord("i"):
             self.rotate_monitor(+1)
+        # Scale
+        elif ch == ord("T"):
+            self.scale_monitor(+SCALE_STEP)
+        elif ch == ord("G"):
+            self.scale_monitor(-SCALE_STEP)
         # Mirror
         elif ch == ord("m"):
             if mon.mirror_of:
@@ -402,6 +412,10 @@ class App:
         # Save
         elif ch == ord("s"):
             self._save()
+        # Save & quit
+        elif ch in (curses.KEY_ENTER, ord("\n"), ord("\r")):
+            self._save()
+            return "quit"
         # Quit
         elif ch in (ord("q"), 27):  # q or Esc
             if self.dirty:
@@ -457,6 +471,20 @@ class App:
         self.dirty = True
         self.status_msg = err or f"Rotated {mon.name} → {TRANSFORM_LABEL[mon.transform]}"
 
+    def scale_monitor(self, delta: float):
+        mon = self.monitors[self.selected_idx]
+        new_scale = round(max(MIN_SCALE, min(MAX_SCALE, mon.scale + delta)), 10)
+        # round to nearest SCALE_STEP to avoid floating-point drift
+        new_scale = round(new_scale / SCALE_STEP) * SCALE_STEP
+        if new_scale == mon.scale:
+            self.status_msg = f"Scale already at {mon.scale}x (limit)"
+            return
+        mon.scale = new_scale
+        err = apply_monitor(mon)
+        mon.dirty = True
+        self.dirty = True
+        self.status_msg = err or f"{mon.name} scale → {mon.scale}x"
+
     def cycle_mode(self, delta: int):
         mon = self.monitors[self.selected_idx]
         if not mon.available_modes:
@@ -634,7 +662,7 @@ class App:
         if self.mode == "mirror_pick":
             text = "Tab:cycle-target  Enter:confirm  Esc:cancel"
         else:
-            text = "Tab:next  hjkl:move  HJK L:fine  u/i:rot  m:mirror  n/N:mode  s:save  q:quit"
+            text = "Tab:next  hjkl:move  HJKL:fine  u/i:rot  T/G:scale  m:mirror  n/N:mode  s:save  Enter:save+quit  q:quit"
         safe_addstr(self.stdscr, row, 0, text[:cols - 1], curses.color_pair(6))
 
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