editor: Fix add selection when skipping over soft-wrapped lines#46911
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editor: Fix add selection when skipping over soft-wrapped lines#46911
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When using `add_selection_below`/`add_selection_above` with `skip_soft_wrap: true`, cursors would drift to shorter columns when passing through short lines. This happened because the code used the current selection's buffer column instead of preserving the oldest selection's goal column. The `add_selection` method has been updated so that we now keep track of of the column range for the oldest selectio nin each group before extending, ensuring all new selections aim for the original column range.
Extract `find_next_columnar_selection_by_display_row` and `find_next_columnar_selection_by_buffer_row` from the `add_selection` method to make the two code paths, `skip_soft_wrap: true` and `skip_soft_wrap: false`, clearer and more self-contained.
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Fixes an issue where
editor::AddSelectionAboveandeditor::AddSelectionBelow, when set withskip_soft_wrap: true,would lose track of the original cursor column when passing through
short lines, as
editor::Editor.add_selectionwas not using the oldestselection's column range when adding a new selection.
These changes update the
editor::Editor.add_selectionmethod so as tokeep track of the olde selection's column range for each group, as well
as extracting
find_next_columnar_selection_by_display_rowandfind_next_columnar_selection_by_buffer_rowhelper methods to clarifythe two navigation strategies.
Closes #46842
Release Notes:
editor::AddSelectionAboveandeditor::AddSelectionBelowwhen skipping over soft-wrapped lines to preserve the original cursor column when adding selections through lines shorter than the starting position