From a1255b237bd3a7ab6844f86653532cba9afff864 Mon Sep 17 00:00:00 2001
From: n loewen <nick@nloewen.com>
Date: Wed, 23 Apr 2025 22:55:17 +0100
Subject: [PATCH] WIP: draggable divider

---
 git_time_machine.py | 72 ++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 64 insertions(+), 8 deletions(-)

diff --git a/git_time_machine.py b/git_time_machine.py
index e833023..00d74ee 100644
--- a/git_time_machine.py
+++ b/git_time_machine.py
@@ -16,7 +16,8 @@ def get_file_at_commit(commit_hash, filename):
 
 def main(stdscr, filename):
     curses.curs_set(0)
-    curses.mousemask(curses.ALL_MOUSE_EVENTS)
+    curses.mousemask(curses.ALL_MOUSE_EVENTS | curses.REPORT_MOUSE_POSITION)
+    curses.mouseinterval(0)
     stdscr.keypad(True)
 
     commits = get_commits(filename)
@@ -25,6 +26,8 @@ def main(stdscr, filename):
     focus = "left"
     scroll_offset = 0
 
+    dragging_divider = False
+
     while True:
         stdscr.clear()
         height, width = stdscr.getmaxyx()
@@ -46,8 +49,9 @@ def main(stdscr, filename):
                 stdscr.attroff(curses.A_REVERSE)
 
         # Vertical divider
+        divider_char = "║" if dragging_divider else "│"
         for y in range(height):
-            stdscr.addch(y, divider_col, '│')
+            stdscr.addch(y, divider_col, divider_char)
 
         # Draw file content (right pane)
         for i, line in enumerate(visible_lines):
@@ -67,20 +71,70 @@ def main(stdscr, filename):
         x = width - len(status) - 1
         stdscr.addnstr(height - 1, x, status, len(status), curses.A_REVERSE)
 
-        stdscr.refresh()
         key = stdscr.getch()
 
-        # Mouse click changes focus
+        # Mouse interaction
         if key == curses.KEY_MOUSE:
             try:
                 _, mx, my, _, bstate = curses.getmouse()
-                if bstate & curses.BUTTON1_CLICKED:
-                    focus = "left" if mx <= divider_col else "right"
+
+                if bstate & curses.BUTTON1_PRESSED:
+                    if mx == divider_col:
+                        dragging_divider = True
+                elif dragging_divider:
+                    # Update divider while dragging
+                    min_col = 10
+                    max_col = width - 20  # leave space for right pane
+                    divider_col = max(min_col, min(mx, max_col))
+
+                elif bstate & curses.BUTTON1_RELEASED:
+                    dragging_divider = False
+
+                elif bstate & curses.BUTTON1_CLICKED:
+                    focus = "left" if mx < divider_col else "right"
             except curses.error:
                 pass
 
-        elif key in [ord('q'), 27]:
-            break
+        elif dragging_divider:
+            # Force a mouse event check while dragging
+            try:
+                _, mx, my, _, bstate = curses.getmouse()
+                if bstate & curses.BUTTON1_PRESSED:
+                    min_col = 10
+                    max_col = width - 20  # leave space for right pane
+                    divider_col = max(min_col, min(mx, max_col))
+                elif bstate & curses.BUTTON1_RELEASED:
+                    dragging_divider = False
+            except curses.error:
+                pass
+
+#
+#        # Mouse click changes focus
+#        if key == curses.KEY_MOUSE:
+#            try:
+#                _, mx, my, _, bstate = curses.getmouse()
+#
+#                if bstate & curses.BUTTON1_PRESSED:
+#                    if dragging_divider:
+#                        # Update divider while dragging
+#                        min_col = 10
+#                        max_col = width - 20  # leave space for right pane
+#                        divider_col = max(min_col, min(mx, max_col))
+#                    elif mx == divider_col:
+#                        dragging_divider = True
+#
+#                elif bstate & curses.BUTTON1_RELEASED:
+#                    dragging_divider = False
+#
+#                elif bstate & curses.BUTTON1_CLICKED:
+#                    focus = "left" if mx < divider_col else "right"
+#
+#            except curses.error:
+#                pass
+#
+#
+#        elif key in [ord('q'), 27]:
+#            break
 
         # Left pane movement
         elif focus == "left":
@@ -112,6 +166,8 @@ def main(stdscr, filename):
         elif key in [curses.KEY_RIGHT, ord('l')]:
             focus = "right"
 
+        stdscr.refresh()
+
 if __name__ == "__main__":
     if len(sys.argv) != 2:
         print("Usage: python git_time_machine.py path/to/file")