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git-time-machine
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feat: implement vertical scrolling for commit list in left pane

This commit is contained in:
n loewen (aider) 2025-05-05 09:18:18 +01:00
parent 07127c1d1b
commit bc6ec6d847
1 changed files with 49 additions and 13 deletions
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62
git_time_machine.py
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@ -32,6 +32,7 @@ def main(stdscr, filename):
divider_col = 40
focus = "left"
scroll_offset = 0
left_scroll_offset = 0 # Scroll position for left pane
dragging_divider = False
@ -55,13 +56,24 @@ def main(stdscr, filename):
scroll_offset = min(scroll_offset, max_scroll)
visible_lines = file_lines[scroll_offset:scroll_offset + height - 1]
# Calculate visible commits for left pane
left_max_scroll = max(0, len(commits) - (height - 1))
left_scroll_offset = min(left_scroll_offset, left_max_scroll)
# Ensure selected commit is visible
if selected_commit < left_scroll_offset:
left_scroll_offset = selected_commit
elif selected_commit >= left_scroll_offset + height - 1:
left_scroll_offset = selected_commit - (height - 2)
# Draw commit list (left pane)
for i in range(min(len(commits), height - 1)):
line = commits[i]
if i == selected_commit:
visible_commits = commits[left_scroll_offset:left_scroll_offset + height - 1]
for i, line in enumerate(visible_commits):
display_index = i + left_scroll_offset
if display_index == selected_commit:
stdscr.attron(curses.A_REVERSE) # Highlight selected commit
stdscr.addnstr(i, 0, line, divider_col - 1)
if i == selected_commit:
if display_index == selected_commit:
stdscr.attroff(curses.A_REVERSE)
# Vertical divider
@ -76,19 +88,31 @@ def main(stdscr, filename):
if i < height - 1:
stdscr.addnstr(i, divider_col + 2, line, right_width)
# Status bar for right pane
# Status bars for both panes
visible_height = height - 1 # Reserve 1 line for the status bar
# Right pane status
last_visible_line = scroll_offset + visible_height
if len(file_lines) > 0:
percent = int((last_visible_line / len(file_lines)) * 100)
percent = 100 if last_visible_line >= len(file_lines) else percent
right_percent = int((last_visible_line / len(file_lines)) * 100)
right_percent = 100 if last_visible_line >= len(file_lines) else right_percent
else:
percent = 0
status = f"{percent}%"
x = width - len(status) - 1
stdscr.addnstr(height - 1, x, status, len(status), curses.A_REVERSE)
right_percent = 0
right_status = f"{right_percent}%"
# Left pane status
last_visible_commit = left_scroll_offset + visible_height
if len(commits) > 0:
left_percent = int((last_visible_commit / len(commits)) * 100)
left_percent = 100 if last_visible_commit >= len(commits) else left_percent
else:
left_percent = 0
left_status = f"{left_percent}%"
# Draw status bars
stdscr.addnstr(height - 1, 1, left_status, len(left_status), curses.A_REVERSE)
x = width - len(right_status) - 1
stdscr.addnstr(height - 1, x, right_status, len(right_status), curses.A_REVERSE)
# Get input with a small timeout for smoother scrolling
stdscr.timeout(50) # 50ms timeout
@ -140,6 +164,18 @@ def main(stdscr, filename):
if selected_commit > 0:
selected_commit -= 1
scroll_offset = 0
elif key in [curses.KEY_NPAGE, ord(' ')]:
# Page down in left pane
new_selected = min(selected_commit + height - 1, len(commits) - 1)
if new_selected != selected_commit:
selected_commit = new_selected
scroll_offset = 0
elif key in [curses.KEY_PPAGE, 8, 127, curses.KEY_SR]:
# Page up in left pane
new_selected = max(0, selected_commit - (height - 1))
if new_selected != selected_commit:
selected_commit = new_selected
scroll_offset = 0
# Right pane scrolling
elif focus == "right":