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git-time-machine
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Switch panes with arrow keys + status display for current line

This commit is contained in:
n loewen 2025-04-23 22:08:08 +01:00
parent 29f0e7a28b
commit 01d24e0733
1 changed files with 33 additions and 17 deletions
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50
git_time_machine.py
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@ -1,4 +1,5 @@
# by ChatGPT
import curses
import subprocess
import sys
@ -28,8 +29,15 @@ def main(stdscr, filename):
stdscr.clear()
height, width = stdscr.getmaxyx()
# Draw commit list on the left
for i in range(min(len(commits), height)):
# Fetch file content for selected commit
commit_hash = commits[selected_commit].split()[0]
file_lines = get_file_at_commit(commit_hash, filename)
max_scroll = max(0, len(file_lines) - (height - 1))
scroll_offset = min(scroll_offset, max_scroll)
visible_lines = file_lines[scroll_offset:scroll_offset + height - 1]
# Draw commit list
for i in range(min(len(commits), height - 1)):
line = commits[i]
if i == selected_commit and focus == "left":
stdscr.attron(curses.A_REVERSE)
@ -37,22 +45,22 @@ def main(stdscr, filename):
if i == selected_commit and focus == "left":
stdscr.attroff(curses.A_REVERSE)
# Draw vertical divider with box-drawing character
# Vertical divider
for y in range(height):
stdscr.addch(y, divider_col, '│')
# Draw file content on the right
if commits:
commit_hash = commits[selected_commit].split()[0]
file_lines = get_file_at_commit(commit_hash, filename)
visible_lines = file_lines[scroll_offset:scroll_offset + height]
for i, line in enumerate(visible_lines):
stdscr.addnstr(i, divider_col + 2, line, width - divider_col - 3)
# File content
for i, line in enumerate(visible_lines):
stdscr.addnstr(i, divider_col + 2, line, width - divider_col - 3)
# Status bar for right pane
status = f"line {scroll_offset + 1}/{len(file_lines)}"
stdscr.addnstr(height - 1, divider_col + 2, status, width - divider_col - 3, curses.A_DIM)
stdscr.refresh()
key = stdscr.getch()
# Mouse click changes focus
if key == curses.KEY_MOUSE:
try:
_, mx, my, _, bstate = curses.getmouse()
@ -64,27 +72,35 @@ def main(stdscr, filename):
elif key in [ord('q'), 27]:
break
# Left pane movement
elif focus == "left":
if key in [curses.KEY_DOWN, ord('j')]:
if selected_commit < len(commits) - 1:
selected_commit += 1
scroll_offset = 0 # reset right pane scroll
scroll_offset = 0
elif key in [curses.KEY_UP, ord('k')]:
if selected_commit > 0:
selected_commit -= 1
scroll_offset = 0
# Right pane scrolling
elif focus == "right":
if key == curses.KEY_DOWN or key == ord('j'):
if scroll_offset < max(0, len(file_lines) - height):
if key in [curses.KEY_DOWN, ord('j')]:
if scroll_offset < max_scroll:
scroll_offset += 1
elif key == curses.KEY_UP or key == ord('k'):
elif key in [curses.KEY_UP, ord('k')]:
if scroll_offset > 0:
scroll_offset -= 1
elif key == curses.KEY_NPAGE: # Page Down
scroll_offset = min(scroll_offset + height, max(0, len(file_lines) - height))
scroll_offset = min(scroll_offset + height - 1, max_scroll)
elif key == curses.KEY_PPAGE: # Page Up
scroll_offset = max(0, scroll_offset - height)
scroll_offset = max(0, scroll_offset - (height - 1))
# Pane switching
if key in [curses.KEY_LEFT, ord('h')]:
focus = "left"
elif key in [curses.KEY_RIGHT, ord('l')]:
focus = "right"
if __name__ == "__main__":
if len(sys.argv) != 2: