From e829b61807e14b9bbfa9ace855d094477c15d06b Mon Sep 17 00:00:00 2001
From: Stefan Haller <stefan@haller-berlin.de>
Date: Fri, 11 Oct 2024 16:44:59 +0200
Subject: [PATCH] Press enter in main view of commits panel to enter patch
 building for clicked line

This involves first switching to the commit files view, and then entering the
clicked file from there.
---
 .../switch_to_diff_files_controller.go        | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/pkg/gui/controllers/switch_to_diff_files_controller.go b/pkg/gui/controllers/switch_to_diff_files_controller.go
index fc764ca7e..ec6c2d7a7 100644
--- a/pkg/gui/controllers/switch_to_diff_files_controller.go
+++ b/pkg/gui/controllers/switch_to_diff_files_controller.go
@@ -1,6 +1,9 @@
 package controllers
 
 import (
+	"path/filepath"
+
+	"github.com/jesseduffield/lazygit/pkg/gui/filetree"
 	"github.com/jesseduffield/lazygit/pkg/gui/types"
 )
 
@@ -47,6 +50,41 @@ func (self *SwitchToDiffFilesController) GetKeybindings(opts types.KeybindingsOp
 	return bindings
 }
 
+func (self *SwitchToDiffFilesController) GetOnClickFocusedMainView() func(mainViewName string, clickedLineIdx int) error {
+	return func(mainViewName string, clickedLineIdx int) error {
+		clickedFile, line, ok := self.c.Helpers().Staging.GetFileAndLineForClickedDiffLine(mainViewName, clickedLineIdx)
+		if !ok {
+			return nil
+		}
+
+		if err := self.enter(); err != nil {
+			return err
+		}
+
+		context := self.c.Contexts().CommitFiles
+		var node *filetree.CommitFileNode
+
+		relativePath, err := filepath.Rel(self.c.Git().RepoPaths.RepoPath(), clickedFile)
+		if err != nil {
+			return err
+		}
+		relativePath = "./" + relativePath
+		context.CommitFileTreeViewModel.ExpandToPath(relativePath)
+		self.c.PostRefreshUpdate(context)
+
+		idx, ok := context.CommitFileTreeViewModel.GetIndexForPath(relativePath)
+		if !ok {
+			return nil
+		}
+
+		context.SetSelectedLineIdx(idx)
+		context.GetViewTrait().FocusPoint(
+			context.ModelIndexToViewIndex(idx))
+		node = context.GetSelected()
+		return self.c.Helpers().CommitFiles.EnterCommitFile(node, types.OnFocusOpts{ClickedWindowName: "main", ClickedViewLineIdx: line, ClickedViewRealLineIdx: line})
+	}
+}
+
 func (self *SwitchToDiffFilesController) Context() types.Context {
 	return self.context
 }