Add user config gui.showSelectionInFocusedMainView

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/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.
@@ -749,6 +751,7 @@ func GetDefaultConfig() *UserConfig {
 			MainPanelSplitMode:             "flexible",
 			EnlargedSideViewLocation:       "left",
 			WrapLinesInStagingView:         true,
+			ShowSelectionInFocusedMainView: false,
 			Language:                       "auto",
 			TimeFormat:                     "02 Jan 06",
 			ShortTimeFormat:                time.Kitchen,

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/main_view_controller.go

@@ -94,6 +94,10 @@ func (self *MainViewController) escape() error {
 }
 
 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/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 {
@@ -61,12 +62,23 @@ func (self *ViewSelectionController) handleLineChange(delta int) {
 	}
 
 	v := self.Context().GetView()
+	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 {
 		if delta < 0 {
 			v.ScrollUp(-delta)
 		} else {
 			v.ScrollDown(delta)
 		}
 	}
+}
 
 func (self *ViewSelectionController) handlePrevLine() error {
 	self.handleLineChange(-1)
@@ -90,7 +102,11 @@ func (self *ViewSelectionController) handleNextPage() error {
 
 func (self *ViewSelectionController) handleGotoTop() error {
 	v := self.Context().GetView()
+	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()
+				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

schema/config.json

@@ -528,6 +528,11 @@
           "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": [