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Add preview window option for setting the initial scroll offset

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Close #1057
Close #2120

  # Initial scroll offset is set to the line number of each line of
  # git grep output *minus* 5 lines
  git grep --line-number '' |
    fzf --delimiter : --preview 'nl {1}' --preview-window +{2}-5
This commit is contained in:
Junegunn Choi
2020-07-27 00:15:25 +09:00
parent c0a83b27eb
commit 0f9cb5590e
5 changed files with 97 additions and 17 deletions
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18
test/test_go.rb
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@@ -1787,6 +1787,24 @@ class TestGoFZF < TestBase
tmux.until { |lines| refute_includes lines[1], '2' }
tmux.until { |lines| assert_includes lines[1], '[111]' }
end
def test_preview_scroll_begin_constant
tmux.send_keys "echo foo 123 321 | #{FZF} --preview 'seq 1000' --preview-window left:+123", :Enter
tmux.until { |lines| lines.item_count == 1 }
tmux.until { |lines| assert_match %r{123.*123/1000}, lines[1] }
end
def test_preview_scroll_begin_expr
tmux.send_keys "echo foo 123 321 | #{FZF} --preview 'seq 1000' --preview-window left:+{3}", :Enter
tmux.until { |lines| lines.item_count == 1 }
tmux.until { |lines| assert_match %r{321.*321/1000}, lines[1] }
end
def test_preview_scroll_begin_and_offset
tmux.send_keys "echo foo 123 321 | #{FZF} --preview 'seq 1000' --preview-window left:+{2}-2", :Enter
tmux.until { |lines| lines.item_count == 1 }
tmux.until { |lines| assert_match %r{121.*121/1000}, lines[1] }
end
end
module TestShell