Merge branch 'isbm-enhanced-windows' into 'master'

Add possibility to hide/show windows in window manager

See merge request tslocum/cview!9

window.go

@@ -16,6 +16,7 @@ type Window struct {
 	x, y          int
 	width, height int
 	fullscreen    bool
+	visible       bool
 
 	dragX, dragY   int
 	dragWX, dragWY int
@@ -32,9 +33,25 @@ func NewWindow(primitive Primitive) *Window {
 		dragWY:    -1,
 	}
 	w.Box.focus = w
+	w.visible = true
 	return w
 }
 
+// IsVisible returns true if the window is visible
+func (w *Window) IsVisible() bool {
+	return w.visible
+}
+
+// Show the window.
+func (w *Window) Show() {
+	w.visible = true
+}
+
+// Hide the window.
+func (w *Window) Hide() {
+	w.visible = false
+}
+
 // SetPosition sets the position of the window.
 func (w *Window) SetPosition(x, y int) {
 	w.Lock()

windowmanager.go

@@ -73,7 +73,7 @@ func (wm *WindowManager) Draw(screen tcell.Screen) {
 
 	var hasFullScreen bool
 	for _, w := range wm.windows {
-		if !w.fullscreen {
+		if !w.fullscreen || !w.IsVisible() {
 			continue
 		}
 
@@ -88,9 +88,11 @@ func (wm *WindowManager) Draw(screen tcell.Screen) {
 	}
 
 	for _, w := range wm.windows {
-		w.SetBorder(true)
-		w.SetRect(x+w.x, x+w.y, w.width, w.height)
-		w.Draw(screen)
+		if w.IsVisible() {
+			w.SetBorder(true)
+			w.SetRect(x+w.x, x+w.y, w.width, w.height)
+			w.Draw(screen)
+		}
 	}
 }