Add services pause functionality

pkg/gui/keybindings.go

@@ -297,6 +297,13 @@ func (gui *Gui) GetInitialKeybindings() []*Binding {
 			Handler:     gui.handleServiceStop,
 			Description: gui.Tr.Stop,
 		},
+		{
+			ViewName:    "services",
+			Key:         'p',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleServicePause,
+			Description: gui.Tr.Pause,
+		},
 		{
 			ViewName:    "services",
 			Key:         'r',

pkg/gui/services_panel.go

@@ -219,6 +219,30 @@ func (gui *Gui) handleServiceRemoveMenu(g *gocui.Gui, v *gocui.View) error {
 	return gui.createServiceCommandMenu(options, gui.Tr.RemovingStatus)
 }
 
+func (gui *Gui) handleServicePause(g *gocui.Gui, v *gocui.View) error {
+	service, err := gui.getSelectedService()
+	if err != nil {
+		return nil
+	}
+	if service.Container == nil {
+		return nil
+	}
+
+	return gui.WithWaitingStatus(gui.Tr.PausingStatus, func() error {
+		if service.Container.Details.State.Paused {
+			err = service.Container.Unpause()
+		} else {
+			err = service.Container.Pause()
+		}
+
+		if err != nil {
+			return gui.createErrorPanel(gui.g, err.Error())
+		}
+
+		return gui.refreshContainersAndServices()
+	})
+}
+
 func (gui *Gui) handleServiceStop(g *gocui.Gui, v *gocui.View) error {
 	service, err := gui.getSelectedService()
 	if err != nil {