Hover support

internal/action/actions.go

@@ -10,6 +10,7 @@ import (
 	"github.com/zyedidia/micro/v2/internal/buffer"
 	"github.com/zyedidia/micro/v2/internal/clipboard"
 	"github.com/zyedidia/micro/v2/internal/config"
+	"github.com/zyedidia/micro/v2/internal/lsp"
 	"github.com/zyedidia/micro/v2/internal/screen"
 	"github.com/zyedidia/micro/v2/internal/shell"
 	"github.com/zyedidia/micro/v2/internal/util"
@@ -1814,6 +1815,20 @@ func (h *BufPane) RemoveAllMultiCursors() bool {
 	return true
 }
 
+func (h *BufPane) SemanticInfo() bool {
+	info, err := h.Buf.Server.Hover(h.Buf.AbsPath, lsp.Position(h.Cursor.X, h.Cursor.Y))
+
+	if err != nil {
+		InfoBar.Error(err)
+		return false
+	}
+
+	info = strings.Split(info, "\n")[0]
+
+	InfoBar.Message(info)
+	return true
+}
+
 // None is an action that does nothing
 func (h *BufPane) None() bool {
 	return true

internal/action/bufpane.go

@@ -688,6 +688,7 @@ var BufKeyActions = map[string]BufKeyAction{
 	"JumpLine":                  (*BufPane).JumpLine,
 	"Deselect":                  (*BufPane).Deselect,
 	"ClearInfo":                 (*BufPane).ClearInfo,
+	"SemanticInfo":              (*BufPane).SemanticInfo,
 	"None":                      (*BufPane).None,
 
 	// This was changed to InsertNewline but I don't want to break backwards compatibility

internal/action/defaults_other.go

@@ -72,6 +72,7 @@ var bufdefaults = map[string]string{
 	"Ctrl-w":         "NextSplit",
 	"Ctrl-u":         "ToggleMacro",
 	"Ctrl-j":         "PlayMacro",
+	"Alt-i":          "SemanticInfo",
 	"Insert":         "ToggleOverwriteMode",
 
 	// Emacs-style keybindings