Really figuring some things out

widget.go

@@ -26,8 +26,9 @@ import "github.com/gdamore/tcell"
 type Widget interface {
 	Init(string, tcell.Style)
 	Id() string
-	// HandleResize sets things up to be drawn based on the width and height
-	// given to it through SetW & SetH
+	// HandleResize receives a resize event from the parent with the amount of
+	// space available to the widget.
+	// If there is not enough space, the widget is allowed to freak out.
 	HandleResize(*tcell.EventResize)
 	HandleKey(*tcell.EventKey) bool
 	HandleTime(*tcell.EventTime)
@@ -46,20 +47,22 @@ type Widget interface {
 	GetY() int
 	GetPos() Coord
 	SetPos(Coord)
+	SetSize(Coord)
 	// Whatever is managing this widget (parent widget, screen, etc) should
 	// tell it exactly what the Width & Height are.
-	// It _should_ try to base this off of WantW & WantH
+	// It _should_ try to base this off of WantW/WantH & MinW/MinH
 	SetW(int)
 	SetH(int)
 	GetW() int
 	GetH() int
 	// Given infinite space, WantW & WantH are what this widget wants
+	// This should reflect the current state of the widget, not potential
 	WantW() int
 	WantH() int
 	// MinW & MinH are what this widget must have to be functional.
+	// This should reflect the current state of the widget, not potential
 	MinW() int
 	MinH() int
-	SetSize(Coord)
 }
 
 func WidgetBottom(w Widget) int {
@@ -81,6 +84,10 @@ func (p *Coord) Add(o Coord) Coord {
 	}
 }
 
+func (p *Coord) ResizeEvent() *tcell.EventResize {
+	return tcell.NewEventResize(p.X, p.Y)
+}
+
 // To validate that a struct satisfies this interface, you can do:
 // var _ Widget - (*<struct>)(nil)
 // where <struct> is the actual struct that you're validating.