Show context-specific labels for the global <esc> binding

WHen several modes are active at the same time, it isn't totally obvious which
one will be cancelled first, so show this in the status bar.

pkg/gui/controllers/global_controller.go

@@ -119,6 +119,7 @@ func (self *GlobalController) GetKeybindings(opts types.KeybindingsOpts) []*type
 			Modifier:          gocui.ModNone,
 			Handler:           self.escape,
 			Description:       self.c.Tr.Cancel,
+			DescriptionFunc:   self.escapeDescription,
 			GetDisabledReason: self.escapeEnabled,
 			DisplayOnScreen:   true,
 		},
@@ -191,6 +192,10 @@ func (self *GlobalController) escape() error {
 	return (&QuitActions{c: self.c}).Escape()
 }
 
+func (self *GlobalController) escapeDescription() string {
+	return (&QuitActions{c: self.c}).EscapeDescription()
+}
+
 func (self *GlobalController) escapeEnabled() *types.DisabledReason {
 	if (&QuitActions{c: self.c}).EscapeEnabled() {
 		return nil

pkg/gui/controllers/helpers/mode_helper.go

@@ -39,9 +39,10 @@ func NewModeHelper(
 }
 
 type ModeStatus struct {
-	IsActive  func() bool
-	InfoLabel func() string
-	Reset     func() error
+	IsActive    func() bool
+	InfoLabel   func() string
+	CancelLabel func() string
+	Reset       func() error
 }
 
 func (self *ModeHelper) Statuses() []ModeStatus {
@@ -58,6 +59,9 @@ func (self *ModeHelper) Statuses() []ModeStatus {
 					style.FgMagenta,
 				)
 			},
+			CancelLabel: func() string {
+				return self.c.Tr.CancelDiffingMode
+			},
 			Reset: self.diffHelper.ExitDiffMode,
 		},
 		{
@@ -65,6 +69,9 @@ func (self *ModeHelper) Statuses() []ModeStatus {
 			InfoLabel: func() string {
 				return self.withResetButton(self.c.Tr.BuildingPatch, style.FgYellow.SetBold())
 			},
+			CancelLabel: func() string {
+				return self.c.Tr.ExitCustomPatchBuilder
+			},
 			Reset: self.patchBuildingHelper.Reset,
 		},
 		{
@@ -80,6 +87,9 @@ func (self *ModeHelper) Statuses() []ModeStatus {
 					style.FgRed,
 				)
 			},
+			CancelLabel: func() string {
+				return self.c.Tr.ExitFilterMode
+			},
 			Reset: self.ExitFilterMode,
 		},
 		{
@@ -90,6 +100,9 @@ func (self *ModeHelper) Statuses() []ModeStatus {
 					style.FgCyan,
 				)
 			},
+			CancelLabel: func() string {
+				return self.c.Tr.CancelMarkedBaseCommit
+			},
 			Reset: self.mergeAndRebaseHelper.ResetMarkedBaseCommit,
 		},
 		{
@@ -110,6 +123,9 @@ func (self *ModeHelper) Statuses() []ModeStatus {
 					style.FgCyan,
 				)
 			},
+			CancelLabel: func() string {
+				return self.c.Tr.ResetCherryPickShort
+			},
 			Reset: self.cherryPickHelper.Reset,
 		},
 		{
@@ -122,6 +138,9 @@ func (self *ModeHelper) Statuses() []ModeStatus {
 					workingTreeState.Title(self.c.Tr), style.FgYellow,
 				)
 			},
+			CancelLabel: func() string {
+				return fmt.Sprintf(self.c.Tr.AbortTitle, self.c.Git().Status.WorkingTreeState().CommandName())
+			},
 			Reset: self.mergeAndRebaseHelper.AbortMergeOrRebaseWithConfirm,
 		},
 		{
@@ -131,6 +150,9 @@ func (self *ModeHelper) Statuses() []ModeStatus {
 			InfoLabel: func() string {
 				return self.withResetButton(self.c.Tr.Bisect.Bisecting, style.FgGreen)
 			},
+			CancelLabel: func() string {
+				return self.c.Tr.Actions.ResetBisect
+			},
 			Reset: self.bisectHelper.Reset,
 		},
 	}

pkg/gui/controllers/quit_actions.go

@@ -48,7 +48,7 @@ func (self *QuitActions) confirmQuitDuringUpdate() error {
 }
 
 func (self *QuitActions) Escape() error {
-	// If you make changes to this function, be sure to update EscapeEnabled accordingly.
+	// If you make changes to this function, be sure to update EscapeEnabled and EscapeDescription accordingly.
 
 	currentContext := self.c.Context().Current()
 
@@ -130,3 +130,41 @@ func (self *QuitActions) EscapeEnabled() bool {
 
 	return false
 }
+
+func (self *QuitActions) EscapeDescription() string {
+	currentContext := self.c.Context().Current()
+
+	if listContext, ok := currentContext.(types.IListContext); ok {
+		if listContext.GetList().IsSelectingRange() {
+			return self.c.Tr.DismissRangeSelect
+		}
+	}
+
+	if ctx, ok := currentContext.(types.IFilterableContext); ok {
+		if ctx.IsFiltering() {
+			return self.c.Tr.ExitFilterMode
+		}
+	}
+
+	parentContext := currentContext.GetParentContext()
+	if parentContext != nil {
+		return self.c.Tr.ExitSubview
+	}
+
+	for _, mode := range self.c.Helpers().Mode.Statuses() {
+		if mode.IsActive() {
+			return mode.CancelLabel()
+		}
+	}
+
+	repoPathStack := self.c.State().GetRepoPathStack()
+	if !repoPathStack.IsEmpty() {
+		return self.c.Tr.BackToParentRepo
+	}
+
+	if self.c.UserConfig().QuitOnTopLevelReturn {
+		return self.c.Tr.Quit
+	}
+
+	return self.c.Tr.Cancel
+}