From 2c8dffaa20a7d9dbc6ccabdcb9c16fd82760288e 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        | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/pkg/gui/controllers/switch_to_diff_files_controller.go b/pkg/gui/controllers/switch_to_diff_files_controller.go
index 94c3c5712..d50c058fb 100644
--- a/pkg/gui/controllers/switch_to_diff_files_controller.go
+++ b/pkg/gui/controllers/switch_to_diff_files_controller.go
@@ -4,6 +4,8 @@ import (
 	"path/filepath"
 
 	"github.com/jesseduffield/lazygit/pkg/commands/models"
+
+	"github.com/jesseduffield/lazygit/pkg/gui/filetree"
 	"github.com/jesseduffield/lazygit/pkg/gui/types"
 )
 
@@ -50,6 +52,41 @@ 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), false)
+		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
 }