// NewCanvas creates a new canvas at a given position.
func NewCanvas(parent sparta.Widget, name string, rect image.Rectangle) *Canvas {
c := &Canvas{
name: name,
parent: parent,
geometry: rect,
back: backColor,
fore: foreColor,
}
sparta.NewWindow(c)
return c
}
// NewMainWindow creates a new main window.
func NewMainWindow(name, title string) *MainWindow {
w := &MainWindow{
name: name,
geometry: image.Rect(0, 0, 80*sparta.WidthUnit, 20*sparta.HeightUnit),
back: backColor,
fore: foreColor,
title: title,
}
sparta.NewWindow(w)
w.win.SetProperty(sparta.Caption, w.title)
return w
}
// NewList creates a new list.
func NewList(parent sparta.Widget, name string, rect image.Rectangle) *List {
l := &List{
name: name,
parent: parent,
geometry: rect,
back: backColor,
fore: foreColor,
target: parent,
}
sparta.NewWindow(l)
l.scroll = NewScroll(l, "list"+name+"Scroll", 0, 0, Vertical, image.Rect(rect.Dx()-10, 0, rect.Dx(), rect.Dy()))
return l
}
// Button creates a new button.
func NewButton(parent sparta.Widget, name, caption string, rect image.Rectangle) *Button {
b := &Button{
name: name,
parent: parent,
geometry: rect,
back: backColor,
fore: foreColor,
caption: caption,
target: parent,
}
sparta.NewWindow(b)
return b
}
// NewScroll creates a new scroll of the given type.
func NewScroll(parent sparta.Widget, name string, size, page int, typ ScrollType, rect image.Rectangle) *Scroll {
s := &Scroll{
name: name,
parent: parent,
geometry: rect,
back: backColor,
fore: foreColor,
size: size,
page: page,
target: parent,
typ: typ,
}
sparta.NewWindow(s)
return s
}