feat(fish): tooltip support

docs/docs/config-tooltips.mdx

@@ -8,7 +8,7 @@ import Tabs from "@theme/Tabs";
 import TabItem from "@theme/TabItem";
 
 :::info
-Due to limitations (or not having found a way just yet), this feature only works in `zsh`, `powershell` and `cmd` (as of [clink][clink] version v1.2.46) for
+Due to limitations (or not having found a way just yet), this feature only works in `fish`, `zsh`, `powershell` and `cmd` (as of [clink][clink] version v1.2.46) for
 the time being.
 :::
 
@@ -61,6 +61,7 @@ are being explored.
   values={[
     { label: 'powershell', value: 'pwsh', },
     { label: 'zsh', value: 'zsh', },
+    { label: 'fish', value: 'fish', },
   ]
 }>
 <TabItem value="pwsh">
@@ -92,6 +93,17 @@ enable_poshtooltips
 
 Restart your shell or reload `.zshrc` using `exec zsh` for the changes to take effect.
 
+</TabItem>
+<TabItem value="fish">
+
+Invoke Oh My Posh in `~/.config/fish/config.fish` and add the following line below:
+
+```bash
+enable_poshtooltips
+```
+
+Restart your shell or reload fish using `exec fish` for the changes to take effect.
+
 </TabItem>
 </Tabs>
 

src/engine/engine.go

@@ -253,7 +253,7 @@ func (e *Engine) PrintTooltip(tip string) string {
 		Segments:  []*Segment{tooltip},
 	}
 	switch e.Env.Shell() {
-	case shell.ZSH, shell.CMD:
+	case shell.ZSH, shell.CMD, shell.FISH:
 		block.init(e.Env, e.Writer, e.Ansi)
 		text, _ := block.renderSegments()
 		return text

src/shell/scripts/omp.fish

@@ -1,6 +1,7 @@
 set -g POSH_THEME "::CONFIG::"
 set -g POWERLINE_COMMAND "oh-my-posh"
 set -g CONDA_PROMPT_MODIFIER false
+set -g omp_tooltip_command ""
 
 function fish_prompt
     set -g omp_status_cache $status
@@ -22,6 +23,11 @@ function fish_prompt
 end
 
 function fish_right_prompt
+    if test -n "$omp_tooltip_command"
+      ::OMP:: prompt print tooltip --config $POSH_THEME --shell fish --command $omp_tooltip_command
+      set omp_tooltip_command ""
+      return
+    end
     ::OMP:: prompt print right --config $POSH_THEME --shell fish --error $omp_status_cache --execution-time $omp_duration --stack-count $omp_stack_count
 end
 
@@ -30,3 +36,15 @@ function postexec_omp --on-event fish_postexec
   # pre and postexec not fired for empty command in fish >=3.2
   set -gx omp_lastcommand $argv
 end
+
+# tooltip
+
+function _render_tooltip
+  set omp_tooltip_command (commandline --current-buffer | string collect)
+  commandline --insert " "
+  commandline --function repaint
+end
+
+function enable_poshtooltips
+  bind \x20 _render_tooltip
+end