support scrolling extras view

pkg/gui/arrangement.go

@@ -146,7 +146,7 @@ func (gui *Gui) getWindowDimensions(informationStr string, appStatus string) map
 		mainPanelsDirection = boxlayout.COLUMN
 	}
 
-	cmdLogSize := 40 // TODO: make configurable
+	extrasWindowSize := 40 // TODO: make configurable
 
 	root := &boxlayout.Box{
 		Direction: boxlayout.ROW,
@@ -170,8 +170,8 @@ func (gui *Gui) getWindowDimensions(informationStr string, appStatus string) map
 								Weight:    1,
 							},
 							{
-								Window: "cmdLog",
-								Size:   cmdLogSize,
+								Window: "extras",
+								Size:   extrasWindowSize,
 							},
 						},
 					},

pkg/gui/global_handlers.go

@@ -68,6 +68,21 @@ func (gui *Gui) scrollUpView(view *gocui.View) error {
 
 func (gui *Gui) scrollDownView(view *gocui.View) error {
 	ox, oy := view.Origin()
+	scrollHeight := gui.linesToScrollDown(view)
+	if scrollHeight > 0 {
+		if err := view.SetOrigin(ox, oy+scrollHeight); err != nil {
+			return err
+		}
+	}
+
+	if manager, ok := gui.viewBufferManagerMap[view.Name()]; ok {
+		manager.ReadLines(scrollHeight)
+	}
+	return nil
+}
+
+func (gui *Gui) linesToScrollDown(view *gocui.View) int {
+	_, oy := view.Origin()
 	y := oy
 	canScrollPastBottom := gui.Config.GetUserConfig().Gui.ScrollPastBottom
 	if !canScrollPastBottom {
@@ -76,7 +91,10 @@ func (gui *Gui) scrollDownView(view *gocui.View) error {
 	}
 	scrollHeight := gui.Config.GetUserConfig().Gui.ScrollHeight
 	scrollableLines := view.ViewLinesHeight() - y
-	if scrollableLines > 0 {
+	if scrollableLines < 0 {
+		return 0
+	}
+
 	// margin is about how many lines must still appear if you scroll
 	// all the way down. In practice every file ends in a newline so it will really
 	// just show a single line
@@ -87,16 +105,15 @@ func (gui *Gui) scrollDownView(view *gocui.View) error {
 	if scrollableLines-margin < scrollHeight {
 		scrollHeight = scrollableLines - margin
 	}
-		if oy+scrollHeight >= 0 {
-			if err := view.SetOrigin(ox, oy+scrollHeight); err != nil {
-				return err
+	if oy+scrollHeight < 0 {
+		return 0
+	} else {
+		return scrollHeight
 	}
 }
-	}
-	if manager, ok := gui.viewBufferManagerMap[view.Name()]; ok {
-		manager.ReadLines(scrollHeight)
-	}
-	return nil
+
+func (gui *Gui) atScrollBottom(view *gocui.View) bool {
+	return gui.linesToScrollDown(view) > 0
 }
 
 func (gui *Gui) scrollUpMain() error {
@@ -123,6 +140,24 @@ func (gui *Gui) scrollDownSecondary() error {
 	return gui.scrollDownView(gui.Views.Secondary)
 }
 
+func (gui *Gui) scrollUpExtra() error {
+	gui.Views.Extras.Autoscroll = false
+
+	return gui.scrollUpView(gui.Views.Extras)
+}
+
+func (gui *Gui) scrollDownExtra() error {
+	if err := gui.scrollDownView(gui.Views.Extras); err != nil {
+		return err
+	}
+
+	if gui.atScrollBottom(gui.Views.Extras) {
+		gui.Views.Extras.Autoscroll = true
+	}
+
+	return nil
+}
+
 func (gui *Gui) scrollUpConfirmationPanel() error {
 	if gui.Views.Confirmation.Editable {
 		return nil

pkg/gui/gui.go

@@ -254,7 +254,7 @@ type Views struct {
 	SearchPrefix  *gocui.View
 	Limit         *gocui.View
 	Suggestions   *gocui.View
-	CmdLog        *gocui.View
+	Extras        *gocui.View
 }
 
 type searchingState struct {
@@ -475,12 +475,12 @@ func NewGui(log *logrus.Entry, gitCommand *commands.GitCommand, oSCommand *oscom
 		currentSpan := ""
 
 		return func(entry oscommands.CmdLogEntry) {
-			if gui.Views.CmdLog == nil {
+			if gui.Views.Extras == nil {
 				return
 			}
 
 			if entry.GetSpan() != currentSpan {
-				fmt.Fprintln(gui.Views.CmdLog, utils.ColoredString(entry.GetSpan(), color.FgYellow))
+				fmt.Fprintln(gui.Views.Extras, utils.ColoredString(entry.GetSpan(), color.FgYellow))
 				currentSpan = entry.GetSpan()
 			}
 
@@ -489,7 +489,8 @@ func NewGui(log *logrus.Entry, gitCommand *commands.GitCommand, oSCommand *oscom
 				clrAttr = color.FgMagenta
 			}
 			gui.CmdLog = append(gui.CmdLog, entry.GetCmdStr())
-			fmt.Fprintln(gui.Views.CmdLog, "  "+utils.ColoredString(entry.GetCmdStr(), clrAttr))
+			indentedCmdStr := "  " + strings.Replace(entry.GetCmdStr(), "\n", "\n  ", -1)
+			fmt.Fprintln(gui.Views.Extras, utils.ColoredString(indentedCmdStr, clrAttr))
 		}
 	}()
 

pkg/gui/keybindings.go

@@ -1702,6 +1702,16 @@ func (gui *Gui) GetInitialKeybindings() []*Binding {
 			Description: gui.Tr.LcViewBulkSubmoduleOptions,
 			OpensMenu:   true,
 		},
+		{
+			ViewName: "extras",
+			Key:      gocui.MouseWheelUp,
+			Handler:  gui.scrollUpExtra,
+		},
+		{
+			ViewName: "extras",
+			Key:      gocui.MouseWheelDown,
+			Handler:  gui.scrollDownExtra,
+		},
 	}
 
 	for _, viewName := range []string{"status", "branches", "files", "commits", "commitFiles", "stash", "menu"} {

pkg/gui/layout.go

@@ -48,7 +48,7 @@ func (gui *Gui) createAllViews() error {
 		{viewPtr: &gui.Views.Suggestions, name: "suggestions"},
 		{viewPtr: &gui.Views.Confirmation, name: "confirmation"},
 		{viewPtr: &gui.Views.Limit, name: "limit"},
-		{viewPtr: &gui.Views.CmdLog, name: "cmdLog"},
+		{viewPtr: &gui.Views.Extras, name: "extras"},
 	}
 
 	var err error
@@ -135,9 +135,9 @@ func (gui *Gui) createAllViews() error {
 	gui.Views.Information.FgColor = gocui.ColorGreen
 	gui.Views.Information.Frame = false
 
-	gui.Views.CmdLog.Title = gui.Tr.CommandLog
-	gui.Views.CmdLog.FgColor = theme.GocuiDefaultTextColor
-	gui.Views.CmdLog.Autoscroll = true
+	gui.Views.Extras.Title = gui.Tr.CommandLog
+	gui.Views.Extras.FgColor = theme.GocuiDefaultTextColor
+	gui.Views.Extras.Autoscroll = true
 
 	if _, err := gui.g.SetCurrentView(gui.defaultSideContext().GetViewName()); err != nil {
 		return err
@@ -240,7 +240,7 @@ func (gui *Gui) layout(g *gocui.Gui) error {
 		{viewName: "search", windowName: "search", frame: false},
 		{viewName: "appStatus", windowName: "appStatus", frame: false},
 		{viewName: "information", windowName: "information", frame: false},
-		{viewName: "cmdLog", windowName: "cmdLog", frame: true},
+		{viewName: "extras", windowName: "extras", frame: true},
 	}
 
 	for _, arg := range args {
@@ -350,7 +350,7 @@ func (gui *Gui) onInitialViewsCreation() error {
 		gui.Views.CommitFiles,
 		gui.Views.Main,
 		gui.Views.Secondary,
-		gui.Views.CmdLog,
+		gui.Views.Extras,
 
 		// bottom line
 		gui.Views.Options,