Merge 2b4ccbf853 into 223978eb82

docs/Config.md

@@ -113,6 +113,9 @@ gui:
   # paragraphs of markdown text.
   wrapLinesInStagingView: true
 
+  # If true, show a selection when the main view is focused.
+  showSelectionInFocusedMainView: false
+
   # One of 'auto' (default) | 'en' | 'zh-CN' | 'zh-TW' | 'pl' | 'nl' | 'ja' | 'ko' | 'ru'
   language: auto
 

pkg/commands/patch/patch.go

@@ -104,6 +104,38 @@ func (self *Patch) LineNumberOfLine(idx int) int {
 	return hunk.newStart + offset
 }
 
+// Takes a line number in the new file and returns the line index in the patch.
+// This is the opposite of LineNumberOfLine.
+// If the line number is not contained in any of the hunks, it returns the
+// closest position.
+func (self *Patch) PatchLineForLineNumber(lineNumber int) int {
+	if len(self.hunks) == 0 {
+		return len(self.header)
+	}
+
+	for hunkIdx, hunk := range self.hunks {
+		if lineNumber <= hunk.newStart {
+			return self.HunkStartIdx(hunkIdx)
+		}
+
+		if lineNumber < hunk.newStart+hunk.newLength() {
+			lines := hunk.bodyLines
+			offset := lineNumber - hunk.newStart
+			for i, line := range lines {
+				if offset == 0 {
+					return self.HunkStartIdx(hunkIdx) + i + 1
+				}
+
+				if line.Kind == ADDITION || line.Kind == CONTEXT {
+					offset--
+				}
+			}
+		}
+	}
+
+	return self.LineCount() - 1
+}
+
 // Returns hunk index containing the line at the given patch line index
 func (self *Patch) HunkContainingLine(idx int) int {
 	for hunkIdx, hunk := range self.hunks {

pkg/config/user_config.go

@@ -105,6 +105,8 @@ type GuiConfig struct {
 	// makes it much easier to work with diffs that have long lines, e.g.
 	// paragraphs of markdown text.
 	WrapLinesInStagingView bool `yaml:"wrapLinesInStagingView"`
+	// If true, show a selection when the main view is focused.
+	ShowSelectionInFocusedMainView bool `yaml:"showSelectionInFocusedMainView"`
 	// One of 'auto' (default) | 'en' | 'zh-CN' | 'zh-TW' | 'pl' | 'nl' | 'ja' | 'ko' | 'ru'
 	Language string `yaml:"language" jsonschema:"enum=auto,enum=en,enum=zh-TW,enum=zh-CN,enum=pl,enum=nl,enum=ja,enum=ko,enum=ru"`
 	// Format used when displaying time e.g. commit time.
@@ -728,23 +730,24 @@ type IconProperties struct {
 func GetDefaultConfig() *UserConfig {
 	return &UserConfig{
 		Gui: GuiConfig{
-			ScrollHeight:             2,
-			ScrollPastBottom:         true,
-			ScrollOffMargin:          2,
-			ScrollOffBehavior:        "margin",
-			TabWidth:                 4,
-			MouseEvents:              true,
-			SkipDiscardChangeWarning: false,
-			SkipStashWarning:         false,
-			SidePanelWidth:           0.3333,
-			ExpandFocusedSidePanel:   false,
-			ExpandedSidePanelWeight:  2,
-			MainPanelSplitMode:       "flexible",
-			EnlargedSideViewLocation: "left",
-			WrapLinesInStagingView:   true,
-			Language:                 "auto",
-			TimeFormat:               "02 Jan 06",
-			ShortTimeFormat:          time.Kitchen,
+			ScrollHeight:                   2,
+			ScrollPastBottom:               true,
+			ScrollOffMargin:                2,
+			ScrollOffBehavior:              "margin",
+			TabWidth:                       4,
+			MouseEvents:                    true,
+			SkipDiscardChangeWarning:       false,
+			SkipStashWarning:               false,
+			SidePanelWidth:                 0.3333,
+			ExpandFocusedSidePanel:         false,
+			ExpandedSidePanelWeight:        2,
+			MainPanelSplitMode:             "flexible",
+			EnlargedSideViewLocation:       "left",
+			WrapLinesInStagingView:         true,
+			ShowSelectionInFocusedMainView: false,
+			Language:                       "auto",
+			TimeFormat:                     "02 Jan 06",
+			ShortTimeFormat:                time.Kitchen,
 			Theme: ThemeConfig{
 				ActiveBorderColor:               []string{"green", "bold"},
 				SearchingActiveBorderColor:      []string{"cyan", "bold"},

pkg/gui/context/base_context.go

@@ -228,3 +228,7 @@ func (self *BaseContext) Title() string {
 func (self *BaseContext) TotalContentHeight() int {
 	return self.view.ViewLinesHeight()
 }
+
+func (self *BaseContext) SetHighlightOnFocus(value bool) {
+	self.highlightOnFocus = value
+}

pkg/gui/context/main_context.go

@@ -26,7 +26,7 @@ func NewMainContext(
 				WindowName:       windowName,
 				Key:              key,
 				Focusable:        true,
-				HighlightOnFocus: false,
+				HighlightOnFocus: c.UserConfig().Gui.ShowSelectionInFocusedMainView,
 			})),
 		SearchTrait: NewSearchTrait(c),
 	}

pkg/gui/controllers.go

@@ -54,8 +54,9 @@ func (gui *Gui) resetHelpersAndControllers() {
 
 	gpgHelper := helpers.NewGpgHelper(helperCommon)
 	viewHelper := helpers.NewViewHelper(helperCommon, gui.State.Contexts)
+	windowHelper := helpers.NewWindowHelper(helperCommon, viewHelper)
 	patchBuildingHelper := helpers.NewPatchBuildingHelper(helperCommon)
-	stagingHelper := helpers.NewStagingHelper(helperCommon)
+	stagingHelper := helpers.NewStagingHelper(helperCommon, windowHelper)
 	mergeConflictsHelper := helpers.NewMergeConflictsHelper(helperCommon)
 	searchHelper := helpers.NewSearchHelper(helperCommon)
 
@@ -75,7 +76,6 @@ func (gui *Gui) resetHelpersAndControllers() {
 		rebaseHelper,
 	)
 	bisectHelper := helpers.NewBisectHelper(helperCommon)
-	windowHelper := helpers.NewWindowHelper(helperCommon, viewHelper)
 	modeHelper := helpers.NewModeHelper(
 		helperCommon,
 		diffHelper,
@@ -115,6 +115,7 @@ func (gui *Gui) resetHelpersAndControllers() {
 		AmendHelper:     helpers.NewAmendHelper(helperCommon, gpgHelper),
 		FixupHelper:     helpers.NewFixupHelper(helperCommon),
 		Commits:         commitsHelper,
+		CommitFiles:     helpers.NewCommitFilesHelper(helperCommon),
 		Snake:           helpers.NewSnakeHelper(helperCommon),
 		Diff:            diffHelper,
 		Repos:           reposHelper,

pkg/gui/controllers/commits_files_controller.go

@@ -390,7 +390,7 @@ func (self *CommitFilesController) toggleForPatch(selectedNodes []*filetree.Comm
 	toggle := func() error {
 		return self.c.WithWaitingStatus(self.c.Tr.UpdatingPatch, func(gocui.Task) error {
 			if !self.c.Git().Patch.PatchBuilder.Active() {
-				if err := self.startPatchBuilder(); err != nil {
+				if err := self.c.Helpers().CommitFiles.StartPatchBuilder(); err != nil {
 					return err
 				}
 			}
@@ -429,7 +429,7 @@ func (self *CommitFilesController) toggleForPatch(selectedNodes []*filetree.Comm
 		})
 	}
 
-	from, to, reverse := self.currentFromToReverseForPatchBuilding()
+	from, to, reverse := self.c.Helpers().CommitFiles.CurrentFromToReverseForPatchBuilding()
 	if self.c.Git().Patch.PatchBuilder.Active() && self.c.Git().Patch.PatchBuilder.NewPatchRequired(from, to, reverse) {
 		self.c.Confirm(types.ConfirmOpts{
 			Title:  self.c.Tr.DiscardPatch,
@@ -451,72 +451,8 @@ func (self *CommitFilesController) toggleAllForPatch(_ *filetree.CommitFileNode)
 	return self.toggleForPatch([]*filetree.CommitFileNode{root})
 }
 
-func (self *CommitFilesController) startPatchBuilder() error {
-	commitFilesContext := self.context()
-
-	canRebase := commitFilesContext.GetCanRebase()
-	from, to, reverse := self.currentFromToReverseForPatchBuilding()
-
-	self.c.Git().Patch.PatchBuilder.Start(from, to, reverse, canRebase)
-	return nil
-}
-
-func (self *CommitFilesController) currentFromToReverseForPatchBuilding() (string, string, bool) {
-	commitFilesContext := self.context()
-
-	from, to := commitFilesContext.GetFromAndToForDiff()
-	from, reverse := self.c.Modes().Diffing.GetFromAndReverseArgsForDiff(from)
-	return from, to, reverse
-}
-
 func (self *CommitFilesController) enter(node *filetree.CommitFileNode) error {
-	return self.enterCommitFile(node, types.OnFocusOpts{ClickedWindowName: "", ClickedViewLineIdx: -1})
-}
-
-func (self *CommitFilesController) enterCommitFile(node *filetree.CommitFileNode, opts types.OnFocusOpts) error {
-	if node.File == nil {
-		return self.handleToggleCommitFileDirCollapsed(node)
-	}
-
-	if self.c.AppState.DiffContextSize == 0 {
-		return fmt.Errorf(self.c.Tr.Actions.NotEnoughContextToStage,
-			keybindings.Label(self.c.UserConfig().Keybinding.Universal.IncreaseContextInDiffView))
-	}
-
-	enterTheFile := func() error {
-		if !self.c.Git().Patch.PatchBuilder.Active() {
-			if err := self.startPatchBuilder(); err != nil {
-				return err
-			}
-		}
-
-		self.c.Context().Push(self.c.Contexts().CustomPatchBuilder, opts)
-		return nil
-	}
-
-	from, to, reverse := self.currentFromToReverseForPatchBuilding()
-	if self.c.Git().Patch.PatchBuilder.Active() && self.c.Git().Patch.PatchBuilder.NewPatchRequired(from, to, reverse) {
-		self.c.Confirm(types.ConfirmOpts{
-			Title:  self.c.Tr.DiscardPatch,
-			Prompt: self.c.Tr.DiscardPatchConfirm,
-			HandleConfirm: func() error {
-				self.c.Git().Patch.PatchBuilder.Reset()
-				return enterTheFile()
-			},
-		})
-
-		return nil
-	}
-
-	return enterTheFile()
-}
-
-func (self *CommitFilesController) handleToggleCommitFileDirCollapsed(node *filetree.CommitFileNode) error {
-	self.context().CommitFileTreeViewModel.ToggleCollapsed(node.GetInternalPath())
-
-	self.c.PostRefreshUpdate(self.context())
-
-	return nil
+	return self.c.Helpers().CommitFiles.EnterCommitFile(node, types.OnFocusOpts{ClickedWindowName: "", ClickedViewLineIdx: -1, ClickedViewRealLineIdx: -1})
 }
 
 // NOTE: this is very similar to handleToggleFileTreeView, could be DRY'd with generics
@@ -545,11 +481,35 @@ func (self *CommitFilesController) expandAll() error {
 
 func (self *CommitFilesController) GetOnClickFocusedMainView() func(mainViewName string, clickedLineIdx int) error {
 	return func(mainViewName string, clickedLineIdx int) error {
-		node := self.getSelectedItem()
-		if node != nil && node.File != nil {
-			return self.enterCommitFile(node, types.OnFocusOpts{ClickedWindowName: mainViewName, ClickedViewLineIdx: clickedLineIdx})
+		clickedFile, line, ok := self.c.Helpers().Staging.GetFileAndLineForClickedDiffLine(mainViewName, clickedLineIdx)
+		if !ok {
+			line = -1
 		}
-		return nil
+
+		node := self.getSelectedItem()
+		if node == nil {
+			return nil
+		}
+
+		if !node.IsFile() && ok {
+			relativePath, err := filepath.Rel(self.c.Git().RepoPaths.RepoPath(), clickedFile)
+			if err != nil {
+				return err
+			}
+			relativePath = "./" + relativePath
+			self.context().CommitFileTreeViewModel.ExpandToPath(relativePath)
+			self.c.PostRefreshUpdate(self.context())
+
+			idx, ok := self.context().CommitFileTreeViewModel.GetIndexForPath(relativePath)
+			if ok {
+				self.context().SetSelectedLineIdx(idx)
+				self.context().GetViewTrait().FocusPoint(
+					self.context().ModelIndexToViewIndex(idx))
+				node = self.context().GetSelected()
+			}
+		}
+
+		return self.c.Helpers().CommitFiles.EnterCommitFile(node, types.OnFocusOpts{ClickedWindowName: "main", ClickedViewLineIdx: line, ClickedViewRealLineIdx: line})
 	}
 }
 

pkg/gui/controllers/files_controller.go

@@ -325,11 +325,34 @@ func (self *FilesController) GetOnClick() func() error {
 
 func (self *FilesController) GetOnClickFocusedMainView() func(mainViewName string, clickedLineIdx int) error {
 	return func(mainViewName string, clickedLineIdx int) error {
-		node := self.getSelectedItem()
-		if node != nil && node.File != nil {
-			return self.EnterFile(types.OnFocusOpts{ClickedWindowName: mainViewName, ClickedViewLineIdx: clickedLineIdx})
+		clickedFile, line, ok := self.c.Helpers().Staging.GetFileAndLineForClickedDiffLine(mainViewName, clickedLineIdx)
+		if !ok {
+			line = -1
 		}
-		return nil
+
+		node := self.context().GetSelected()
+		if node == nil {
+			return nil
+		}
+
+		if !node.IsFile() && ok {
+			relativePath, err := filepath.Rel(self.c.Git().RepoPaths.RepoPath(), clickedFile)
+			if err != nil {
+				return err
+			}
+			relativePath = "./" + relativePath
+			self.context().FileTreeViewModel.ExpandToPath(relativePath)
+			self.c.PostRefreshUpdate(self.context())
+
+			idx, ok := self.context().FileTreeViewModel.GetIndexForPath(relativePath)
+			if ok {
+				self.context().SetSelectedLineIdx(idx)
+				self.context().GetViewTrait().FocusPoint(
+					self.context().ModelIndexToViewIndex(idx))
+			}
+		}
+
+		return self.EnterFile(types.OnFocusOpts{ClickedWindowName: mainViewName, ClickedViewLineIdx: line, ClickedViewRealLineIdx: line})
 	}
 }
 
@@ -511,7 +534,7 @@ func (self *FilesController) getSelectedFile() *models.File {
 }
 
 func (self *FilesController) enter() error {
-	return self.EnterFile(types.OnFocusOpts{ClickedWindowName: "", ClickedViewLineIdx: -1})
+	return self.EnterFile(types.OnFocusOpts{ClickedWindowName: "", ClickedViewLineIdx: -1, ClickedViewRealLineIdx: -1})
 }
 
 func (self *FilesController) collapseAll() error {

pkg/gui/controllers/helpers/commit_files_helper.go

@@ -0,0 +1,87 @@
+package helpers
+
+import (
+	"fmt"
+
+	"github.com/jesseduffield/lazygit/pkg/gui/context"
+	"github.com/jesseduffield/lazygit/pkg/gui/filetree"
+	"github.com/jesseduffield/lazygit/pkg/gui/keybindings"
+	"github.com/jesseduffield/lazygit/pkg/gui/types"
+)
+
+type CommitFilesHelper struct {
+	c *HelperCommon
+}
+
+func NewCommitFilesHelper(c *HelperCommon) *CommitFilesHelper {
+	return &CommitFilesHelper{
+		c: c,
+	}
+}
+
+func (self *CommitFilesHelper) EnterCommitFile(node *filetree.CommitFileNode, opts types.OnFocusOpts) error {
+	if node.File == nil {
+		self.handleToggleCommitFileDirCollapsed(node)
+		return nil
+	}
+
+	if self.c.AppState.DiffContextSize == 0 {
+		return fmt.Errorf(self.c.Tr.Actions.NotEnoughContextToStage,
+			keybindings.Label(self.c.UserConfig().Keybinding.Universal.IncreaseContextInDiffView))
+	}
+
+	enterTheFile := func() error {
+		if !self.c.Git().Patch.PatchBuilder.Active() {
+			if err := self.StartPatchBuilder(); err != nil {
+				return err
+			}
+		}
+
+		self.c.Context().Push(self.c.Contexts().CustomPatchBuilder, opts)
+		return nil
+	}
+
+	from, to, reverse := self.CurrentFromToReverseForPatchBuilding()
+	if self.c.Git().Patch.PatchBuilder.Active() && self.c.Git().Patch.PatchBuilder.NewPatchRequired(from, to, reverse) {
+		self.c.Confirm(types.ConfirmOpts{
+			Title:  self.c.Tr.DiscardPatch,
+			Prompt: self.c.Tr.DiscardPatchConfirm,
+			HandleConfirm: func() error {
+				self.c.Git().Patch.PatchBuilder.Reset()
+				return enterTheFile()
+			},
+		})
+
+		return nil
+	}
+
+	return enterTheFile()
+}
+
+func (self *CommitFilesHelper) context() *context.CommitFilesContext {
+	return self.c.Contexts().CommitFiles
+}
+
+func (self *CommitFilesHelper) handleToggleCommitFileDirCollapsed(node *filetree.CommitFileNode) {
+	self.context().CommitFileTreeViewModel.ToggleCollapsed(node.GetInternalPath())
+
+	self.c.PostRefreshUpdate(self.context())
+}
+
+func (self *CommitFilesHelper) StartPatchBuilder() error {
+	commitFilesContext := self.context()
+
+	canRebase := commitFilesContext.GetCanRebase()
+	from, to, reverse := self.CurrentFromToReverseForPatchBuilding()
+
+	self.c.Git().Patch.PatchBuilder.Start(from, to, reverse, canRebase)
+	return nil
+}
+
+func (self *CommitFilesHelper) CurrentFromToReverseForPatchBuilding() (string, string, bool) {
+	commitFilesContext := self.context()
+
+	from, to := commitFilesContext.GetFromAndToForDiff()
+	from, reverse := self.c.Modes().Diffing.GetFromAndReverseArgsForDiff(from)
+	return from, to, reverse
+}

pkg/gui/controllers/helpers/helpers.go

@@ -35,6 +35,7 @@ type Helpers struct {
 	AmendHelper    *AmendHelper
 	FixupHelper    *FixupHelper
 	Commits        *CommitsHelper
+	CommitFiles    *CommitFilesHelper
 	Snake          *SnakeHelper
 	// lives in context package because our contexts need it to render to main
 	Diff              *DiffHelper
@@ -73,6 +74,7 @@ func NewStubHelpers() *Helpers {
 		AmendHelper:       &AmendHelper{},
 		FixupHelper:       &FixupHelper{},
 		Commits:           &CommitsHelper{},
+		CommitFiles:       &CommitFilesHelper{},
 		Snake:             &SnakeHelper{},
 		Diff:              &DiffHelper{},
 		Repos:             &ReposHelper{},

pkg/gui/controllers/helpers/patch_building_helper.go

@@ -29,7 +29,11 @@ func (self *PatchBuildingHelper) ValidateNormalWorkingTreeState() (bool, error)
 
 // takes us from the patch building panel back to the commit files panel
 func (self *PatchBuildingHelper) Escape() {
-	self.c.Context().Pop()
+	if parentCtx := self.c.Contexts().CustomPatchBuilder.GetParentContext(); parentCtx != nil {
+		self.c.Context().Push(parentCtx, types.OnFocusOpts{})
+	} else {
+		self.c.Context().Pop()
+	}
 }
 
 // kills the custom patch and returns us back to the commit files panel if needed
@@ -53,8 +57,10 @@ func (self *PatchBuildingHelper) Reset() error {
 
 func (self *PatchBuildingHelper) RefreshPatchBuildingPanel(opts types.OnFocusOpts) {
 	selectedLineIdx := -1
+	selectedRealLineIdx := -1
 	if opts.ClickedWindowName == "main" {
 		selectedLineIdx = opts.ClickedViewLineIdx
+		selectedRealLineIdx = opts.ClickedViewRealLineIdx
 	}
 
 	if !self.c.Git().Patch.PatchBuilder.Active() {
@@ -86,7 +92,7 @@ func (self *PatchBuildingHelper) RefreshPatchBuildingPanel(opts types.OnFocusOpt
 
 	oldState := context.GetState()
 
-	state := patch_exploring.NewState(diff, selectedLineIdx, context.GetView(), oldState)
+	state := patch_exploring.NewState(diff, selectedLineIdx, selectedRealLineIdx, context.GetView(), oldState)
 	context.SetState(state)
 	if state == nil {
 		self.Escape()

pkg/gui/controllers/helpers/staging_helper.go

@@ -1,20 +1,26 @@
 package helpers
 
 import (
+	"regexp"
+
 	"github.com/jesseduffield/lazygit/pkg/commands/models"
 	"github.com/jesseduffield/lazygit/pkg/gui/patch_exploring"
 	"github.com/jesseduffield/lazygit/pkg/gui/types"
+	"github.com/jesseduffield/lazygit/pkg/utils"
 )
 
 type StagingHelper struct {
-	c *HelperCommon
+	c            *HelperCommon
+	windowHelper *WindowHelper
 }
 
 func NewStagingHelper(
 	c *HelperCommon,
+	windowHelper *WindowHelper,
 ) *StagingHelper {
 	return &StagingHelper{
-		c: c,
+		c:            c,
+		windowHelper: windowHelper,
 	}
 }
 
@@ -30,12 +36,16 @@ func (self *StagingHelper) RefreshStagingPanel(focusOpts types.OnFocusOpts) {
 	}
 
 	mainSelectedLineIdx := -1
+	mainSelectedRealLineIdx := -1
 	secondarySelectedLineIdx := -1
+	secondarySelectedRealLineIdx := -1
 	if focusOpts.ClickedViewLineIdx > 0 {
 		if secondaryFocused {
 			secondarySelectedLineIdx = focusOpts.ClickedViewLineIdx
+			secondarySelectedRealLineIdx = focusOpts.ClickedViewRealLineIdx
 		} else {
 			mainSelectedLineIdx = focusOpts.ClickedViewLineIdx
+			mainSelectedRealLineIdx = focusOpts.ClickedViewRealLineIdx
 		}
 	}
 
@@ -63,11 +73,11 @@ func (self *StagingHelper) RefreshStagingPanel(focusOpts types.OnFocusOpts) {
 	secondaryContext.GetMutex().Lock()
 
 	mainContext.SetState(
-		patch_exploring.NewState(mainDiff, mainSelectedLineIdx, mainContext.GetView(), mainContext.GetState()),
+		patch_exploring.NewState(mainDiff, mainSelectedLineIdx, mainSelectedRealLineIdx, mainContext.GetView(), mainContext.GetState()),
 	)
 
 	secondaryContext.SetState(
-		patch_exploring.NewState(secondaryDiff, secondarySelectedLineIdx, secondaryContext.GetView(), secondaryContext.GetState()),
+		patch_exploring.NewState(secondaryDiff, secondarySelectedLineIdx, secondarySelectedRealLineIdx, secondaryContext.GetView(), secondaryContext.GetState()),
 	)
 
 	mainState := mainContext.GetState()
@@ -124,3 +134,20 @@ func (self *StagingHelper) secondaryStagingFocused() bool {
 func (self *StagingHelper) mainStagingFocused() bool {
 	return self.c.Context().CurrentStatic().GetKey() == self.c.Contexts().Staging.GetKey()
 }
+
+func (self *StagingHelper) GetFileAndLineForClickedDiffLine(windowName string, lineIdx int) (string, int, bool) {
+	v, _ := self.c.GocuiGui().View(self.windowHelper.GetViewNameForWindow(windowName))
+	hyperlink, ok := v.HyperLinkInLine(lineIdx, "lazygit-edit:")
+	if !ok {
+		return "", 0, false
+	}
+
+	re := regexp.MustCompile(`^lazygit-edit://(.+?):(\d+)$`)
+	matches := re.FindStringSubmatch(hyperlink)
+	if matches == nil {
+		return "", 0, false
+	}
+	filepath := matches[1]
+	lineNumber := utils.MustConvertToInt(matches[2])
+	return filepath, lineNumber, true
+}

pkg/gui/controllers/main_view_controller.go

@@ -30,6 +30,13 @@ func NewMainViewController(
 }
 
 func (self *MainViewController) GetKeybindings(opts types.KeybindingsOpts) []*types.Binding {
+	var goIntoDescription string
+	// We only want to show the "enter" menu item if the user config is true;
+	// leaving the description empty causes it to be hidden
+	if self.c.UserConfig().Gui.ShowSelectionInFocusedMainView {
+		goIntoDescription = self.c.Tr.EnterStaging
+	}
+
 	return []*types.Binding{
 		{
 			Key:             opts.GetKey(opts.Config.Universal.TogglePanel),
@@ -43,6 +50,11 @@ func (self *MainViewController) GetKeybindings(opts types.KeybindingsOpts) []*ty
 			Handler:     self.escape,
 			Description: self.c.Tr.ExitFocusedMainView,
 		},
+		{
+			Key:         opts.GetKey(opts.Config.Universal.GoInto),
+			Handler:     self.enter,
+			Description: goIntoDescription,
+		},
 		{
 			// overriding this because we want to read all of the task's output before we start searching
 			Key:         opts.GetKey(opts.Config.Universal.StartSearch),
@@ -79,6 +91,14 @@ func (self *MainViewController) Context() types.Context {
 	return self.context
 }
 
+func (self *MainViewController) GetOnFocus() func(types.OnFocusOpts) {
+	return func(opts types.OnFocusOpts) {
+		if opts.ClickedWindowName != "" {
+			self.context.GetView().FocusPoint(0, opts.ClickedViewLineIdx)
+		}
+	}
+}
+
 func (self *MainViewController) togglePanel() error {
 	if self.otherContext.GetView().Visible {
 		self.otherContext.SetParentContext(self.context.GetParentContext())
@@ -93,7 +113,20 @@ func (self *MainViewController) escape() error {
 	return nil
 }
 
+func (self *MainViewController) enter() error {
+	parentCtx := self.context.GetParentContext()
+	if parentCtx.GetOnClickFocusedMainView() != nil {
+		return parentCtx.GetOnClickFocusedMainView()(
+			self.context.GetViewName(), self.context.GetView().SelectedLineIdx())
+	}
+	return nil
+}
+
 func (self *MainViewController) onClick(opts gocui.ViewMouseBindingOpts) error {
+	if self.context.GetView().Highlight && opts.Y != opts.PreviousY {
+		return nil
+	}
+
 	parentCtx := self.context.GetParentContext()
 	if parentCtx.GetOnClickFocusedMainView() != nil {
 		return parentCtx.GetOnClickFocusedMainView()(self.context.GetViewName(), opts.Y)

pkg/gui/controllers/patch_explorer_controller.go

@@ -163,9 +163,15 @@ func (self *PatchExplorerController) GetMouseKeybindings(opts types.KeybindingsO
 					return self.withRenderAndFocus(self.HandleMouseDown)()
 				}
 
+				_, line, ok := self.c.Helpers().Staging.GetFileAndLineForClickedDiffLine(self.context.GetWindowName(), opts.Y)
+				if !ok {
+					line = -1
+				}
+
 				self.c.Context().Push(self.context, types.OnFocusOpts{
-					ClickedWindowName:  self.context.GetWindowName(),
-					ClickedViewLineIdx: opts.Y,
+					ClickedWindowName:      self.context.GetWindowName(),
+					ClickedViewLineIdx:     opts.Y,
+					ClickedViewRealLineIdx: line,
 				})
 
 				return nil

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 +50,42 @@ 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()
+		self.c.Contexts().CustomPatchBuilder.SetParentContext(self.context)
+		return self.c.Helpers().CommitFiles.EnterCommitFile(node, types.OnFocusOpts{ClickedWindowName: "main", ClickedViewLineIdx: line, ClickedViewRealLineIdx: line})
+	}
+}
+
 func (self *SwitchToDiffFilesController) Context() types.Context {
 	return self.context
 }

pkg/gui/controllers/switch_to_focused_main_view_controller.go

@@ -3,6 +3,7 @@ package controllers
 import (
 	"github.com/jesseduffield/gocui"
 	"github.com/jesseduffield/lazygit/pkg/gui/types"
+	"github.com/samber/lo"
 )
 
 // This controller is for all contexts that can focus their main view.
@@ -60,23 +61,31 @@ func (self *SwitchToFocusedMainViewController) Context() types.Context {
 }
 
 func (self *SwitchToFocusedMainViewController) onClickMain(opts gocui.ViewMouseBindingOpts) error {
-	return self.focusMainView("main")
+	return self.focusMainView("main", opts.Y)
 }
 
 func (self *SwitchToFocusedMainViewController) onClickSecondary(opts gocui.ViewMouseBindingOpts) error {
-	return self.focusMainView("secondary")
+	return self.focusMainView("secondary", opts.Y)
 }
 
 func (self *SwitchToFocusedMainViewController) handleFocusMainView() error {
-	return self.focusMainView("main")
+	return self.focusMainView("main", -1)
 }
 
-func (self *SwitchToFocusedMainViewController) focusMainView(mainViewName string) error {
+func (self *SwitchToFocusedMainViewController) focusMainView(mainViewName string, clickedViewLineIdx int) error {
 	mainViewContext := self.c.Helpers().Window.GetContextForWindow(mainViewName)
 	mainViewContext.SetParentContext(self.context)
 	if context, ok := mainViewContext.(types.ISearchableContext); ok {
 		context.ClearSearchString()
 	}
-	self.c.Context().Push(mainViewContext, types.OnFocusOpts{})
+	onFocusOpts := types.OnFocusOpts{ClickedWindowName: mainViewName}
+	if clickedViewLineIdx >= 0 {
+		onFocusOpts.ClickedViewLineIdx = clickedViewLineIdx
+	} else {
+		mainView := mainViewContext.GetView()
+		lineIdx := mainView.OriginY() + mainView.Height()/2
+		onFocusOpts.ClickedViewLineIdx = lo.Clamp(lineIdx, 0, mainView.LinesHeight()-1)
+	}
+	self.c.Context().Push(mainViewContext, onFocusOpts)
 	return nil
 }

pkg/gui/controllers/view_selection_controller.go

@@ -3,6 +3,7 @@ package controllers
 import (
 	"github.com/jesseduffield/gocui"
 	"github.com/jesseduffield/lazygit/pkg/gui/types"
+	"github.com/samber/lo"
 )
 
 type ViewSelectionControllerFactory struct {
@@ -61,10 +62,21 @@ func (self *ViewSelectionController) handleLineChange(delta int) {
 	}
 
 	v := self.Context().GetView()
-	if delta < 0 {
-		v.ScrollUp(-delta)
+	if self.context.GetView().Highlight {
+		lineIdxBefore := v.CursorY() + v.OriginY()
+		lineIdxAfter := lo.Clamp(lineIdxBefore+delta, 0, v.ViewLinesHeight()-1)
+		if delta == -1 {
+			checkScrollUp(self.Context().GetViewTrait(), self.c.UserConfig(), lineIdxBefore, lineIdxAfter)
+		} else if delta == 1 {
+			checkScrollDown(self.Context().GetViewTrait(), self.c.UserConfig(), lineIdxBefore, lineIdxAfter)
+		}
+		v.FocusPoint(0, lineIdxAfter)
 	} else {
-		v.ScrollDown(delta)
+		if delta < 0 {
+			v.ScrollUp(-delta)
+		} else {
+			v.ScrollDown(delta)
+		}
 	}
 }
 
@@ -90,7 +102,11 @@ func (self *ViewSelectionController) handleNextPage() error {
 
 func (self *ViewSelectionController) handleGotoTop() error {
 	v := self.Context().GetView()
-	self.handleLineChange(-v.ViewLinesHeight())
+	if self.context.GetView().Highlight {
+		v.FocusPoint(0, 0)
+	} else {
+		self.handleLineChange(-v.ViewLinesHeight())
+	}
 	return nil
 }
 
@@ -99,7 +115,11 @@ func (self *ViewSelectionController) handleGotoBottom() error {
 		manager.ReadToEnd(func() {
 			self.c.OnUIThread(func() error {
 				v := self.Context().GetView()
-				self.handleLineChange(v.ViewLinesHeight())
+				if self.context.GetView().Highlight {
+					v.FocusPoint(0, v.ViewLinesHeight()-1)
+				} else {
+					self.handleLineChange(v.ViewLinesHeight())
+				}
 				return nil
 			})
 		})

pkg/gui/gui.go

@@ -446,6 +446,11 @@ func (gui *Gui) onUserConfigLoaded() error {
 
 	gui.g.Mouse = userConfig.Gui.MouseEvents
 
+	if gui.State != nil {
+		gui.Contexts().Normal.SetHighlightOnFocus(userConfig.Gui.ShowSelectionInFocusedMainView)
+		gui.Contexts().NormalSecondary.SetHighlightOnFocus(userConfig.Gui.ShowSelectionInFocusedMainView)
+	}
+
 	// originally we could only hide the command log permanently via the config
 	// but now we do it via state. So we need to still support the config for the
 	// sake of backwards compatibility. We're making use of short circuiting here

pkg/gui/patch_exploring/state.go

@@ -39,7 +39,7 @@ const (
 	HUNK
 )
 
-func NewState(diff string, selectedLineIdx int, view *gocui.View, oldState *State) *State {
+func NewState(diff string, selectedLineIdx int, selectedRealLineIdx int, view *gocui.View, oldState *State) *State {
 	if oldState != nil && diff == oldState.diff && selectedLineIdx == -1 {
 		// if we're here then we can return the old state. If selectedLineIdx was not -1
 		// then that would mean we were trying to click and potentially drag a range, which
@@ -55,6 +55,10 @@ func NewState(diff string, selectedLineIdx int, view *gocui.View, oldState *Stat
 
 	viewLineIndices, patchLineIndices := wrapPatchLines(diff, view)
 
+	if selectedRealLineIdx != -1 {
+		selectedLineIdx = patch.PatchLineForLineNumber(selectedRealLineIdx)
+	}
+
 	rangeStartLineIdx := 0
 	if oldState != nil {
 		rangeStartLineIdx = oldState.rangeStartLineIdx

pkg/gui/types/context.go

@@ -220,6 +220,9 @@ type IViewTrait interface {
 type OnFocusOpts struct {
 	ClickedWindowName  string
 	ClickedViewLineIdx int
+
+	// If not -1, takes precedence over ClickedViewLineIdx.
+	ClickedViewRealLineIdx int
 }
 
 type OnFocusLostOpts struct {

pkg/i18n/english.go

@@ -519,6 +519,7 @@ type TranslationSet struct {
 	EmptyPatchError                       string
 	EnterCommitFile                       string
 	EnterCommitFileTooltip                string
+	EnterStaging                          string
 	ExitCustomPatchBuilder                string
 	ExitFocusedMainView                   string
 	EnterUpstream                         string
@@ -1607,6 +1608,7 @@ func EnglishTranslationSet() *TranslationSet {
 		EmptyPatchError:                      "Patch is still empty. Add some files or lines to your patch first.",
 		EnterCommitFile:                      "Enter file / Toggle directory collapsed",
 		EnterCommitFileTooltip:               "If a file is selected, enter the file so that you can add/remove individual lines to the custom patch. If a directory is selected, toggle the directory.",
+		EnterStaging:                         "Enter staging/patch building",
 		ExitCustomPatchBuilder:               `Exit custom patch builder`,
 		ExitFocusedMainView:                  "Exit back to side panel",
 		EnterUpstream:                        `Enter upstream as '<remote> <branchname>'`,

schema/config.json

@@ -527,6 +527,11 @@
           "description": "If true, wrap lines in the staging view to the width of the view. This\nmakes it much easier to work with diffs that have long lines, e.g.\nparagraphs of markdown text.",
           "default": true
         },
+        "showSelectionInFocusedMainView": {
+          "type": "boolean",
+          "description": "If true, show a selection when the main view is focused.",
+          "default": false
+        },
         "language": {
           "type": "string",
           "enum": [

vendor/github.com/jesseduffield/gocui/gui.go

@@ -92,6 +92,12 @@ type ViewMouseBinding struct {
 type ViewMouseBindingOpts struct {
 	X int // i.e. origin x + cursor x
 	Y int // i.e. origin y + cursor y
+
+	// the previous cursor right before the click; useful because by the time
+	// the event is dispatched to handlers, gocui has already set the cursor to
+	// the new position. This is useful for detecting double clicks.
+	PreviousX int
+	PreviousY int
 }
 
 type GuiMutexes struct {
@@ -1375,6 +1381,8 @@ func (g *Gui) onKey(ev *GocuiEvent) error {
 				newCx = lastCharForLine - v.ox
 			}
 		}
+		previousX := v.cx + v.ox
+		previousY := v.cy + v.oy
 		if !IsMouseScrollKey(ev.Key) {
 			v.SetCursor(newCx, newCy)
 			if v.Editable {
@@ -1397,7 +1405,7 @@ func (g *Gui) onKey(ev *GocuiEvent) error {
 		}
 
 		if IsMouseKey(ev.Key) {
-			opts := ViewMouseBindingOpts{X: newX, Y: newY}
+			opts := ViewMouseBindingOpts{X: newX, Y: newY, PreviousX: previousX, PreviousY: previousY}
 			matched, err := g.execMouseKeybindings(v, ev, opts)
 			if err != nil {
 				return err

vendor/github.com/jesseduffield/gocui/view.go

@@ -326,7 +326,11 @@ func (v *View) IsSearching() bool {
 }
 
 func (v *View) FocusPoint(cx int, cy int) {
-	lineCount := len(v.lines)
+	v.writeMutex.Lock()
+	defer v.writeMutex.Unlock()
+
+	v.refreshViewLinesIfNeeded()
+	lineCount := len(v.viewLines)
 	if cy < 0 || cy > lineCount {
 		return
 	}
@@ -1466,6 +1470,20 @@ func (v *View) Word(x, y int) (string, bool) {
 	return str[nl:nr], true
 }
 
+func (v *View) HyperLinkInLine(y int, urlScheme string) (string, bool) {
+	if y < 0 || y >= len(v.viewLines) {
+		return "", false
+	}
+
+	for _, c := range v.lines[v.viewLines[y].linesY] {
+		if strings.HasPrefix(c.hyperlink, urlScheme) {
+			return c.hyperlink, true
+		}
+	}
+
+	return "", false
+}
+
 // indexFunc allows to split lines by words taking into account spaces
 // and 0.
 func indexFunc(r rune) bool {