From 494d25bf1bd359d90b95031ec8e586705fa11aad Mon Sep 17 00:00:00 2001
From: "n loewen (aider)" <n@nloewen.com>
Date: Mon, 5 May 2025 08:56:39 +0100
Subject: [PATCH] feat: improve divider dragging with real-time mouse tracking

---
 git_time_machine.py | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/git_time_machine.py b/git_time_machine.py
index ea1f503..8c5121c 100644
--- a/git_time_machine.py
+++ b/git_time_machine.py
@@ -51,7 +51,11 @@ def main(stdscr, filename):
         # Vertical divider
         divider_char = "║" if dragging_divider else "│"
         for y in range(height):
-            stdscr.addch(y, divider_col, divider_char)
+            try:
+                stdscr.addch(y, divider_col, divider_char)
+            except curses.error:
+                # Avoid errors when drawing at the last column
+                pass
 
         # Draw file content (right pane)
         for i, line in enumerate(visible_lines):
@@ -79,10 +83,10 @@ def main(stdscr, filename):
                 _, mx, my, _, bstate = curses.getmouse()
 
                 if bstate & curses.BUTTON1_PRESSED:
-                    if mx == divider_col:
+                    if mx == divider_col or (mx >= divider_col-1 and mx <= divider_col+1):
                         dragging_divider = True
                 
-                # Update divider position while dragging
+                # Always update divider position if dragging, regardless of button state
                 if dragging_divider:
                     min_col = 10
                     max_col = width - 20  # leave space for right pane
@@ -95,12 +99,14 @@ def main(stdscr, filename):
             except curses.error:
                 pass
 
-        # Continue updating divider position even without explicit mouse events
-        elif dragging_divider:
+        # Force a mouse position check every loop iteration while dragging
+        if dragging_divider:
+            # Set a very short timeout to make the UI responsive
+            stdscr.timeout(1)
             try:
                 _, mx, my, _, bstate = curses.getmouse()
                 
-                # Update divider position
+                # Always update divider position while dragging
                 min_col = 10
                 max_col = width - 20  # leave space for right pane
                 divider_col = max(min_col, min(mx, max_col))
@@ -108,8 +114,9 @@ def main(stdscr, filename):
                 # Check for mouse button release
                 if bstate & curses.BUTTON1_RELEASED or not (bstate & curses.BUTTON1_PRESSED):
                     dragging_divider = False
+                    stdscr.timeout(-1)  # Reset to blocking mode when done dragging
             except curses.error:
-                # If we can't get mouse state, keep the divider where it is
+                # If we can't get mouse state, try again on next iteration
                 pass
 
 #