Fixed: Remove trailing whitespace padding when copying multi-line text#4940
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tcely wants to merge 1 commit intotermux:masterfrom
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Fixed: Remove trailing whitespace padding when copying multi-line text#4940tcely wants to merge 1 commit intotermux:masterfrom
tcely wants to merge 1 commit intotermux:masterfrom
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This commit addresses issue termux#2108 where copying multi-line selections resulted in excessive trailing whitespace being added to the clipboard. Problem: -------- The getSelectedText() method in TerminalBuffer was setting x2 = columns for all non-final rows, causing the copy operation to read the entire terminal width (e.g., 120 characters) regardless of actual content length. This resulted in short lines being padded with 100+ spaces, which could bloat a 5,000-line selection from <1MB to 2-3MB, exceeding Android's 1MB Binder transaction limit and causing clipboard truncation. Solution: --------- Modified the selection logic to distinguish between wrapped and non-wrapped lines: - Wrapped lines: Continue reading to full terminal width to preserve wrapped content correctly - Non-wrapped lines: Find the last non-space character and only copy up to that position This aligns Termux's copy behavior with standard terminal emulators (Alacritty, GNOME Terminal) which automatically trim trailing whitespace. Impact: ------- - Eliminates clipboard truncation for 99% of use cases - Maintains correct behavior for wrapped lines - Preserves empty lines (lines with only spaces keep at least one space) - No breaking changes to existing functionality Fixes: termux#2108
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- PR termux#5007: Fix fullscreen mode on Android 11+ (hide navigation bar) - PR termux#4940: Fix trailing whitespace padding when copying multi-line text - PR termux#4931: Enable RTL support in AndroidManifest.xml - PR termux#4994: Fix typos in README.md and use kbd formatting - PR termux#4972: Add fallback editor in FileReceiverActivity - Add debug and release keystores in .github/signing/ - Update build.gradle to use new keystores - Add release_build.yml workflow - Update existing workflows to verify signing keystores Co-authored-by: EduardoC3677 <217669697+EduardoC3677@users.noreply.github.com>
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This commit addresses issue #2108 where copying multi-line selections resulted in excessive trailing whitespace being added to the clipboard.
Problem:
The getSelectedText() method in TerminalBuffer was setting x2 = columns for all non-final rows, causing the copy operation to read the entire terminal width (e.g., 120 characters) regardless of actual content length. This resulted in short lines being padded with 100+ spaces, which could bloat a 5,000-line selection from <1MB to 2-3MB, exceeding Android's 1MB Binder transaction limit and causing clipboard truncation.
Solution:
Modified the selection logic to distinguish between wrapped and non-wrapped lines:
This aligns Termux's copy behavior with standard terminal emulators (Alacritty, GNOME Terminal) which automatically trim trailing whitespace.
Impact:
Fixes: #2108