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v1.2 - Flicker-Free Scrolling

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@tedwardd tedwardd released this 11 Feb 16:22
· 4 commits to main since this release
v1.2
ca0b49b

What's New

Flicker-Free Scrolling & Navigation

  • Replaced CLS-based full redraws with in-place line overwriting using space-padded strings -- eliminates the visible blank frame that caused screen flicker
  • Added UpdateMenuCursor() for lightweight 2-line differential updates when moving Up/Down within the visible page, making cursor navigation near-instant
  • Applied flicker-free rendering across all scrollable screens: menu, text viewer, bookmarks, and recently visited

Technical Details

  • New blankLine$ global (42-char space string) used for efficient line padding
  • All display routines (DisplayMenu, DisplayTextPage, ShowBookmarks, ShowRecent) now overwrite every line slot to full width, blanking unused positions
  • HandleInput() checks whether Up/Down movement stays within the visible [pageStart, pageEnd] range; if so, only 2 lines are repainted instead of 25+

Full Changelog: v1.1...v1.2

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