updated structure

osui.go

@@ -9,6 +9,93 @@ import (
 	"golang.org/x/term"
 )
 
+type Style struct {
+	Background string `json:"background"`
+	Foreground string `json:"foreground"`
+	Outline    string `json:"outline"`
+
+	ActiveBackground string `json:"activeBackground"`
+	ActiveForeground string `json:"activeForeground"`
+	ActiveOutline    string `json:"activeOutline"`
+
+	ClickedBackground string `json:"clickedBackground"`
+	ClickedForeground string `json:"clickedForeground"`
+	ClickedOutline    string `json:"clickedOutline"`
+
+	SelectedBackground string `json:"selectedBackground"`
+	SelectedForeground string `json:"selectedForeground"`
+	SelectedOutline    string `json:"selectedOutline"`
+
+	Cursor         string `json:"cursor"`
+	InactiveCursor string `json:"inactiveCursor"`
+}
+
+func (s *Style) SetDefaults() {
+	if s.Cursor != "" {
+		s.Cursor = "> "
+	}
+}
+func (s *Style) UseStyle() {
+	s.Background = colors.AsBg(s.Background)
+	s.Foreground = colors.AsBg(s.Foreground)
+	s.Outline = colors.AsBg(s.Outline)
+
+	s.ActiveBackground = colors.AsBg(s.ActiveBackground)
+	s.ActiveForeground = colors.AsBg(s.ActiveForeground)
+	s.ActiveOutline = colors.AsBg(s.ActiveOutline)
+
+	s.ClickedBackground = colors.AsBg(s.ClickedBackground)
+	s.ClickedForeground = colors.AsFg(s.ClickedForeground)
+	s.ClickedOutline = colors.AsFg(s.ClickedOutline)
+}
+
+type Param struct {
+	Style    Style `json:"style"`
+	X        int   `json:"y"`
+	Y        int   `json:"x"`
+	Width    int   `json:"width"`
+	Height   int   `json:"height"`
+	OnClick  func()
+	OnUpdate func(ctx *Context)
+	Toggle   bool `json:"useToggle"`
+}
+
+func (p *Param) UseParam(c Component) Component {
+	data := c.GetComponentData()
+
+	p.Style.SetDefaults()
+	data.Style = p.Style
+	data.X = p.X
+	data.Y = p.Y
+	if p.Height != 0 {
+		data.Height = p.Height
+	}
+	if p.Width != 0 {
+		data.Width = p.Width
+	}
+
+	if p.OnClick != nil {
+		data.OnClick = p.OnClick
+	} else {
+		data.OnClick = func() {}
+	}
+
+	if p.OnUpdate != nil {
+		data.OnUpdate = p.OnUpdate
+	} else {
+		data.OnUpdate = func(ctx *Context) { ctx.Response = 0 }
+	}
+
+	data.Toggle = p.Toggle
+
+	return c
+}
+
+type Context struct {
+	Key      string
+	Response int
+}
+
 type ComponentData struct {
 	X            int
 	Y            int
@@ -16,6 +103,10 @@ type ComponentData struct {
 	Height       int
 	DefaultColor string
 	IsActive     bool
+	Style        Style
+	OnClick      func()
+	OnUpdate     func(ctx *Context)
+	Toggle       bool
 	Screen       *Screen
 }
 
@@ -26,19 +117,50 @@ type Component interface {
 }
 
 type Screen struct {
-	component Component
+	Component Component
 }
 
-func NewScreen(c Component) *Screen {
-	HideCursor()
-	s := &Screen{component: c}
-	return s
+func NewScreen() *Screen {
+	return &Screen{}
 }
 
 func (s *Screen) Render() {
 	width, height := GetTerminalSize()
+	data := s.Component.GetComponentData()
+	if data.Height == 0 {
+		data.Height = height
+	}
+	if data.Width == 0 {
+		data.Width = width
+	}
 	frame := NewFrame(width, height)
-	data := s.component.GetComponentData()
+	RenderOnFrame(s.Component, &frame)
+	Clear()
+	fmt.Print(strings.Join(frame, ""))
+}
+
+func (s *Screen) Run(c Component) {
+	s.SetComponent(c)
+	HideCursor()
+	oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
+	if err != nil {
+		panic(err)
+	}
+	defer term.Restore(int(os.Stdin.Fd()), oldState)
+	for {
+		s.Render()
+		k, _ := ReadKey()
+		if s.Component.Update(k) {
+			ShowCursor()
+			return
+		}
+	}
+}
+
+func (s *Screen) SetComponent(c Component) {
+	s.Component = c
+	width, height := GetTerminalSize()
+	data := s.Component.GetComponentData()
 	if data.Height == 0 {
 		data.Height = height
 	}
@@ -48,25 +170,4 @@ func (s *Screen) Render() {
 	data.Screen = s
 	data.IsActive = true
 	data.DefaultColor = colors.Reset
-	RenderOnFrame(s.component, &frame)
-	Clear()
-	fmt.Print(strings.Join(frame, ""))
-}
-
-func (s *Screen) Run() {
-	oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
-	if err != nil {
-		panic(err)
-	}
-	defer term.Restore(int(os.Stdin.Fd()), oldState)
-	data := s.component.GetComponentData()
-	data.Screen = s
-	for {
-		s.Render()
-		k, _ := ReadKey()
-		if s.component.Update(k) {
-			ShowCursor()
-			return
-		}
-	}
 }