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Add some vi-style navigation to the pager. #44

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Merged
merged 2 commits into from
Apr 30, 2022
Merged

Add some vi-style navigation to the pager. #44

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8c31033
Add the some vi-style navigation to the pager.
VPerrollaz Apr 3, 2022
45fe8e6
Merge branch 'main' into add-vi-move
willmcgugan Apr 30, 2022
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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -147,7 +147,7 @@ rich "Hello [b]World[/b]!" --rule --rule-style "red" --rule-char "="

Add `--pager` to display the content with a built in pager application.

Scroll the pager with cursor keys, page up/down, home, end. Alternatively use the scrollbar which will be visible to the right of the terminal.
Scroll the pager with cursor keys, page up/down, home, end. Alternatively use the scrollbar which will be visible to the right of the terminal. Or use the vi navigation (j, k, ctrl_d, ctrl-u).

```
rich __main__.py -n -g --theme monokai --pager
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12 changes: 11 additions & 1 deletion src/rich_cli/pager.py
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Expand Up @@ -59,8 +59,18 @@ async def on_load(self, event: events.Load) -> None:
await self.bind("q", "quit", "Quit")

async def on_key(self, event: events.Key) -> None:
if event.key == " ":
if event.key == "j":
self.body.scroll_up()
elif event.key == "k":
self.body.scroll_down()
elif event.key == " ":
self.body.page_down()
elif event.key == "ctrl+u":
self.body.target_y -= self.body.size.height // 2
self.body.animate("y", self.body.target_y, easing="out_cubic")
elif event.key == "ctrl+d":
self.body.target_y += self.body.size.height // 2
self.body.animate("y", self.body.target_y, easing="out_cubic")

async def on_mount(self, event: events.Mount) -> None:
self.body = body = ScrollView(auto_width=True)
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