Add config options related to Vi input mode #337
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Setting `vi_start_in_nav_mode` to `True` enables `NAVIGATION` mode on startup. The issue is that due to the current behaviour of `ViState.reset()` input mode gets resetted back to `INSERT` on the every iteration of the main loop. In order to at one hand to provide the user with desired behaviour and on the other hand doesn't introduce breaking changes the other option `vi_keep_last_used_mode` was introduced which sets `input_mode` to the state observed before reset. `vi_keep_last_used_mode` can be useful even with `vi_start_in_nav_mode` set to `False` in the case the user prefer to start in `INSERT` mode but still wants to maintain the last mode he was in. In the case of `vi_keep_last_used_mode` set to `False` and `vi_start_in_nav_mode` to `True` `NAVIGATION` mode is set on every iteration the same way `INSERT` was set before this commit. Fixes prompt-toolkit#258.
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mkatychev
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Apr 19, 2020
| # Capture the current input_mode in order to restore it after reset, | ||
| # for ViState.reset() sets it to InputMode.INSERT unconditionally and | ||
| # doesn't accept any arguments despite the docstring says otherwise. | ||
| def pre_run(last_input_mode=self.app.vi_state.input_mode): |
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| def pre_run(last_input_mode=self.app.vi_state.input_mode): | |
| def pre_run(last_input_mode=self.app.vi_state.input_mode) -> None: |
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Going to merge this. Sorry for the delay! I'm renaming |
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Rebased and merged here: #375 Thanks a lot, @antonalekseev ! |
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Thanks, @jonathanslenders! Just switched from my fork back to |
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This PR addresses #258 and adds couple of configuration options related to Vi input mode.
Setting
vi_start_in_nav_modetoTrueenablesNAVIGATIONmode on startup. The issue is that due to the current behaviour ofViState.reset()input mode gets resetted back toINSERTon the every iteration of the main loop. In order to at one hand to provide the user with desired behaviour and on the other hand doesn't introduce breaking changes the other optionvi_keep_last_used_modewas introduced which setsinput_modeto the state observed before reset.vi_keep_last_used_modecan be useful even withvi_start_in_nav_modeset toFalsein the case the user prefer to start inINSERTmode but still wants to maintain the last mode he was in.In the case of
vi_keep_last_used_modeset toFalseandvi_start_in_nav_modetoTrueNAVIGATIONmode is set on every iteration the same wayINSERTwas set before this commit.Maybe interfering with the
pre_runon the main loop is not the best option but I don't see any other way to set input mode after reset forViState.reset()no longer acceptsmodeas an argument (after this commit prompt-toolkit/python-prompt-toolkit@60b22db#diff-d95a70749837190e857489f7cbc59cdc).