Add IGuiCommon.GetViewBufferManagerForView

So that we don't have to pass the map to controllers.

pkg/gui/controllers.go

@@ -180,7 +180,7 @@ func (gui *Gui) resetHelpersAndControllers() {
 	globalController := controllers.NewGlobalController(common)
 	contextLinesController := controllers.NewContextLinesController(common)
 	renameSimilarityThresholdController := controllers.NewRenameSimilarityThresholdController(common)
-	verticalScrollControllerFactory := controllers.NewVerticalScrollControllerFactory(common, &gui.viewBufferManagerMap)
+	verticalScrollControllerFactory := controllers.NewVerticalScrollControllerFactory(common)
 
 	branchesController := controllers.NewBranchesController(common)
 	gitFlowController := controllers.NewGitFlowController(common)

pkg/gui/controllers/vertical_scroll_controller.go

@@ -3,29 +3,25 @@ package controllers
 import (
 	"github.com/jesseduffield/gocui"
 	"github.com/jesseduffield/lazygit/pkg/gui/types"
-	"github.com/jesseduffield/lazygit/pkg/tasks"
 )
 
 // given we have no fields here, arguably we shouldn't even need this factory
 // struct, but we're maintaining consistency with the other files.
 type VerticalScrollControllerFactory struct {
-	c                    *ControllerCommon
-	viewBufferManagerMap *map[string]*tasks.ViewBufferManager
+	c *ControllerCommon
 }
 
-func NewVerticalScrollControllerFactory(c *ControllerCommon, viewBufferManagerMap *map[string]*tasks.ViewBufferManager) *VerticalScrollControllerFactory {
+func NewVerticalScrollControllerFactory(c *ControllerCommon) *VerticalScrollControllerFactory {
 	return &VerticalScrollControllerFactory{
-		c:                    c,
-		viewBufferManagerMap: viewBufferManagerMap,
+		c: c,
 	}
 }
 
 func (self *VerticalScrollControllerFactory) Create(context types.Context) types.IController {
 	return &VerticalScrollController{
-		baseController:       baseController{},
-		c:                    self.c,
-		context:              context,
-		viewBufferManagerMap: self.viewBufferManagerMap,
+		baseController: baseController{},
+		c:              self.c,
+		context:        context,
 	}
 }
 
@@ -33,8 +29,7 @@ type VerticalScrollController struct {
 	baseController
 	c *ControllerCommon
 
-	context              types.Context
-	viewBufferManagerMap *map[string]*tasks.ViewBufferManager
+	context types.Context
 }
 
 func (self *VerticalScrollController) Context() types.Context {
@@ -74,7 +69,7 @@ func (self *VerticalScrollController) HandleScrollDown() error {
 	scrollHeight := self.c.UserConfig().Gui.ScrollHeight
 	self.context.GetViewTrait().ScrollDown(scrollHeight)
 
-	if manager, ok := (*self.viewBufferManagerMap)[self.context.GetViewName()]; ok {
+	if manager := self.c.GetViewBufferManagerForView(self.context.GetView()); manager != nil {
 		manager.ReadLines(scrollHeight)
 	}
 

pkg/gui/global_handlers.go

@@ -20,7 +20,7 @@ func (gui *Gui) scrollDownView(view *gocui.View) {
 	scrollHeight := gui.c.UserConfig().Gui.ScrollHeight
 	view.ScrollDown(scrollHeight)
 
-	if manager, ok := gui.viewBufferManagerMap[view.Name()]; ok {
+	if manager := gui.getViewBufferManagerForView(view); manager != nil {
 		manager.ReadLines(scrollHeight)
 	}
 }

pkg/gui/gui.go

@@ -578,6 +578,15 @@ func (gui *Gui) resetState(startArgs appTypes.StartArgs) types.Context {
 	return initialContext(contextTree, startArgs)
 }
 
+func (self *Gui) getViewBufferManagerForView(view *gocui.View) *tasks.ViewBufferManager {
+	manager, ok := self.viewBufferManagerMap[view.Name()]
+	if !ok {
+		return nil
+	}
+
+	return manager
+}
+
 func initialWindowViewNameMap(contextTree *context.ContextTree) *utils.ThreadSafeMap[string, string] {
 	result := utils.NewThreadSafeMap[string, string]()
 

pkg/gui/gui_common.go

@@ -7,6 +7,7 @@ import (
 	"github.com/jesseduffield/lazygit/pkg/config"
 	"github.com/jesseduffield/lazygit/pkg/gui/controllers/helpers"
 	"github.com/jesseduffield/lazygit/pkg/gui/types"
+	"github.com/jesseduffield/lazygit/pkg/tasks"
 )
 
 // hacking this by including the gui struct for now until we split more things out
@@ -128,6 +129,10 @@ func (self *guiCommon) MainViewPairs() types.MainViewPairs {
 	}
 }
 
+func (self *guiCommon) GetViewBufferManagerForView(view *gocui.View) *tasks.ViewBufferManager {
+	return self.gui.getViewBufferManagerForView(view)
+}
+
 func (self *guiCommon) State() types.IStateAccessor {
 	return self.gui.stateAccessor
 }

pkg/gui/layout.go

@@ -32,10 +32,10 @@ func (gui *Gui) layout(g *gocui.Gui) error {
 		newMainHeight := viewDimensions["main"].Y1 - viewDimensions["main"].Y0 + 1
 		heightDiff := newMainHeight - prevMainHeight
 		if heightDiff > 0 {
-			if manager, ok := gui.viewBufferManagerMap["main"]; ok {
+			if manager := gui.getViewBufferManagerForView(gui.Views.Main); manager != nil {
 				manager.ReadLines(heightDiff)
 			}
-			if manager, ok := gui.viewBufferManagerMap["secondary"]; ok {
+			if manager := gui.getViewBufferManagerForView(gui.Views.Secondary); manager != nil {
 				manager.ReadLines(heightDiff)
 			}
 		}

pkg/gui/types/common.go

@@ -8,6 +8,7 @@ import (
 	"github.com/jesseduffield/lazygit/pkg/commands/oscommands"
 	"github.com/jesseduffield/lazygit/pkg/common"
 	"github.com/jesseduffield/lazygit/pkg/config"
+	"github.com/jesseduffield/lazygit/pkg/tasks"
 	"github.com/jesseduffield/lazygit/pkg/utils"
 	"github.com/sasha-s/go-deadlock"
 	"gopkg.in/ozeidan/fuzzy-patricia.v3/patricia"
@@ -48,6 +49,9 @@ type IGuiCommon interface {
 	// used purely for the sake of RenderToMainViews to provide the pair of main views we want to render to
 	MainViewPairs() MainViewPairs
 
+	// return the view buffer manager for the given view, or nil if it doesn't have one
+	GetViewBufferManagerForView(view *gocui.View) *tasks.ViewBufferManager
+
 	// returns true if command completed successfully
 	RunSubprocess(cmdObj oscommands.ICmdObj) (bool, error)
 	RunSubprocessAndRefresh(oscommands.ICmdObj) error