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Force output window to scroll to bottom

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- Set vertical_scroll=999999 to always show newest content
- Update scroll position on every invalidate
- Reduced visible_lines to 20 for safety

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
dullfig 2026-01-11 14:55:12 -08:00
parent ce37278dcd
commit e254ac7bf6
1 changed files with 10 additions and 6 deletions
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16
agentserver/console/tui_console.py
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@ -87,10 +87,10 @@ STYLE = Style.from_dict({
class OutputBuffer: class OutputBuffer:
"""Manages scrolling output history.""" """Manages scrolling output history."""
def __init__(self, max_lines: int = 1000, visible_lines: int = 50): def __init__(self, max_lines: int = 1000, visible_lines: int = 20):
self.lines: List[tuple] = [] # (style_class, text) self.lines: List[tuple] = [] # (style_class, text)
self.max_lines = max_lines self.max_lines = max_lines
self.visible_lines = visible_lines # Lines to show on screen self.visible_lines = visible_lines # Lines to show (fits most screens)
def append(self, text: str, style: str = "output"): def append(self, text: str, style: str = "output"):
"""Add a line to output.""" """Add a line to output."""
@ -194,12 +194,13 @@ class TUIConsole:
focusable=False, focusable=False,
) )
# Output window - don't extend height, just show what we have # Output window with scroll to bottom
output_window = Window( self.output_window = Window(
content=output_control, content=output_control,
wrap_lines=True, wrap_lines=True,
dont_extend_height=True, # Only take space needed
) )
# Force scroll to bottom (large number ensures we're at end)
self.output_window.vertical_scroll = 999999
# Empty filler that expands to push output to bottom # Empty filler that expands to push output to bottom
filler = Window(height=Dimension(weight=1)) filler = Window(height=Dimension(weight=1))
@ -207,7 +208,7 @@ class TUIConsole:
# Upper area: filler on top, output at bottom # Upper area: filler on top, output at bottom
upper_area = HSplit([ upper_area = HSplit([
filler, filler,
output_window, self.output_window,
]) ])
# Separator line with status # Separator line with status
@ -281,6 +282,9 @@ class TUIConsole:
"""Invalidate the app to trigger redraw.""" """Invalidate the app to trigger redraw."""
if self.app: if self.app:
try: try:
# Keep output scrolled to bottom
if hasattr(self, 'output_window'):
self.output_window.vertical_scroll = 999999
self.app.invalidate() self.app.invalidate()
except Exception: except Exception:
pass pass