support clicking on tabs

Gopkg.lock

@@ -131,11 +131,11 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:44d8be68f77843be5c779fcaf4793693a40ec96b83b5080a18bfd80123a4b2b2"
+  digest = "1:697738bf0065442016622def39cf22041c6f40df99d5315d845b0d528f96377f"
   name = "github.com/jesseduffield/gocui"
   packages = ["."]
   pruneopts = "NUT"
-  revision = "d99ac1a5a23de099e34cb8723e51114bb2b44d23"
+  revision = "32197598edc52af42d76b8cba78ed788074b4647"
 
 [[projects]]
   branch = "master"

pkg/config/app_config.go

@@ -194,7 +194,7 @@ func GetDefaultConfig() UserConfig {
 		Gui: GuiConfig{
 			ScrollHeight:     2,
 			ScrollPastBottom: false,
-			MouseEvents:      false,
+			MouseEvents:      true,
 			Theme: ThemeConfig{
 				ActiveBorderColor:   []string{"green", "bold"},
 				InactiveBorderColor: []string{"white"},

pkg/gui/keybindings.go

@@ -414,5 +414,10 @@ func (gui *Gui) keybindings(g *gocui.Gui) error {
 			return err
 		}
 	}
+
+	if err := g.SetTabClickBinding("main", gui.onMainTabClick); err != nil {
+		return err
+	}
+
 	return nil
 }

pkg/gui/main_panel.go

@@ -31,3 +31,29 @@ func (gui *Gui) autoScrollMain(g *gocui.Gui, v *gocui.View) error {
 	gui.getMainView().Autoscroll = true
 	return nil
 }
+
+func (gui *Gui) onMainTabClick(tabIndex int) error {
+	gui.Log.Warn(tabIndex)
+
+	viewName := gui.currentViewName()
+
+	switch viewName {
+	case "services":
+		gui.State.Panels.Services.ContextIndex = tabIndex
+		return gui.handleServiceSelect(gui.g, gui.getServicesView())
+	case "containers":
+		gui.State.Panels.Containers.ContextIndex = tabIndex
+		return gui.handleContainerSelect(gui.g, gui.getContainersView())
+	case "images":
+		gui.State.Panels.Images.ContextIndex = tabIndex
+		return gui.handleImageSelect(gui.g, gui.getImagesView())
+	case "volumes":
+		gui.State.Panels.Volumes.ContextIndex = tabIndex
+		return gui.handleVolumeSelect(gui.g, gui.getVolumesView())
+	case "status":
+		gui.State.Panels.Status.ContextIndex = tabIndex
+		return gui.handleStatusSelect(gui.g, gui.getStatusView())
+	}
+
+	return nil
+}

vendor/github.com/jesseduffield/gocui/gui.go

@@ -39,18 +39,26 @@ const (
 	Output216 = OutputMode(termbox.Output216)
 )
 
+type tabClickHandler func(int) error
+
+type tabClickBinding struct {
+	viewName string
+	handler  tabClickHandler
+}
+
 // Gui represents the whole User Interface, including the views, layouts
 // and keybindings.
 type Gui struct {
-	tbEvents    chan termbox.Event
-	userEvents  chan userEvent
-	views       []*View
-	currentView *View
-	managers    []Manager
-	keybindings []*keybinding
-	maxX, maxY  int
-	outputMode  OutputMode
-	stop        chan struct{}
+	tbEvents         chan termbox.Event
+	userEvents       chan userEvent
+	views            []*View
+	currentView      *View
+	managers         []Manager
+	keybindings      []*keybinding
+	tabClickBindings []*tabClickBinding
+	maxX, maxY       int
+	outputMode       OutputMode
+	stop             chan struct{}
 
 	// BgColor and FgColor allow to configure the background and foreground
 	// colors of the GUI.
@@ -325,6 +333,16 @@ func (g *Gui) DeleteKeybindings(viewname string) {
 	g.keybindings = s
 }
 
+// SetTabClickBinding sets a binding for a tab click event
+func (g *Gui) SetTabClickBinding(viewName string, handler tabClickHandler) error {
+	g.tabClickBindings = append(g.tabClickBindings, &tabClickBinding{
+		viewName: viewName,
+		handler:  handler,
+	})
+
+	return nil
+}
+
 // getKey takes an empty interface with a key and returns the corresponding
 // typed Key or rune.
 func getKey(key interface{}) (Key, rune, error) {
@@ -743,6 +761,17 @@ func (g *Gui) onKey(ev *termbox.Event) error {
 		if err != nil {
 			break
 		}
+		if v.Frame && my == v.y0 {
+			if len(v.Tabs) > 0 {
+				tabIndex := v.GetClickedTabIndex(mx - v.x0)
+
+				for _, binding := range g.tabClickBindings {
+					if binding.viewName == v.Name() {
+						return binding.handler(tabIndex)
+					}
+				}
+			}
+		}
 		if err := v.SetCursor(mx-v.x0-1, my-v.y0-1); err != nil {
 			return err
 		}

vendor/github.com/jesseduffield/gocui/view.go

@@ -627,3 +627,20 @@ func Loader() cell {
 func (v *View) IsTainted() bool {
 	return v.tainted
 }
+
+// GetClickedTabIndex tells us which tab was clicked
+func (v *View) GetClickedTabIndex(x int) int {
+	if len(v.Tabs) <= 1 {
+		return 0
+	}
+
+	charIndex := 0
+	for i, tab := range v.Tabs {
+		charIndex += len(tab + " - ")
+		if x < charIndex {
+			return i
+		}
+	}
+
+	return 0
+}