func (cb *CheckBox) Draw() {
var img image.Image
if cb.checked && cb.mouseIn {
img = tk.cbCheckedHover
} else if cb.checked && !cb.mouseIn {
img = tk.cbChecked
} else if !cb.checked && cb.mouseIn {
img = tk.cbUncheckedHover
} else if !cb.checked && !cb.mouseIn {
img = tk.cbUnchecked
}
gfx.DrawOver(&cb.parent.Element, img, cb.Element.X, cb.Element.Y, cb.Element.Width, cb.Element.Height)
if cb.txt != "" {
w, h, _ := fonts.ExpectedSize(cb.Element.Font, cb.txt)
voffsetTxt := cb.Element.Height/2 - int(h)/2 + 1
// FIXME: temp solution. instead, parent element should expose region redraw method
bg := cb.parent.GetBG()
gfx.RectFilled(cb.parent.Element.Buffer,
cb.Element.X+cb.Element.Width+ICON_TEXT_SPACE,
cb.Element.Y+voffsetTxt,
cb.Element.X+cb.Element.Width+ICON_TEXT_SPACE+int(w),
cb.Element.Y+voffsetTxt+int(h),
cb.parent.Element.Width,
bg.R, bg.G, bg.B, bg.A)
fonts.Render(&cb.parent.Element, cb.txt,
cb.Element.X+cb.Element.Width+ICON_TEXT_SPACE, cb.Element.Y+voffsetTxt,
cb.parent.Element.Width-cb.Element.X-ICON_TEXT_SPACE-cb.Element.Width, cb.Element.Height,
cb.Element.Font)
}
}
func (but *Button) Draw() {
var r, g, b byte
if but.pushed {
r, g, b = 49, 80, 0
} else {
r, g, b = 80, 130, 0
}
gfx.RectFilled(but.parent.Element.Buffer, but.Element.X, but.Element.Y, but.Element.X+but.Element.Width, but.Element.Y+but.Element.Height, but.parent.Element.Width, r, g, b, gfx.A_OPAQUE)
gfx.Rect(but.parent.Element.Buffer, but.Element.X, but.Element.Y, but.Element.X+but.Element.Width-1, but.Element.Y+but.Element.Height-1, but.parent.Element.Width, 0, 0, 0, gfx.A_OPAQUE)
if but.style&BS_TEXT != 0 {
w, h, _ := fonts.ExpectedSize(but.Element.Font, but.txt)
hoffsetTxt := but.Element.Width/2 - int(w)/2
voffsetTxt := but.Element.Height/2 - int(h)/2 + 1
fonts.Render(&but.parent.Element, but.txt,
but.Element.X+hoffsetTxt, but.Element.Y+voffsetTxt,
but.Element.Width, but.Element.Height, but.Element.Font)
} else if but.style&BS_ICON_TEXT != 0 {
iw := but.icon.Bounds().Dx()
ih := but.icon.Bounds().Dy()
w, h, _ := fonts.ExpectedSize(but.Element.Font, but.txt)
hoffsetIcon := but.Element.Width/2 - int(int(w)+iw+ICON_TEXT_SPACE)/2
voffsetTxt := but.Element.Height/2 - int(h)/2 + 1
voffsetIcon := but.Element.Height/2 - int(ih)/2
gfx.DrawOver(&but.parent.Element, but.icon, but.Element.X+hoffsetIcon, but.Element.Y+voffsetIcon, iw, ih)
fonts.Render(&but.parent.Element, but.txt,
but.Element.X+hoffsetIcon+iw+ICON_TEXT_SPACE, but.Element.Y+voffsetTxt,
but.Element.Width, but.Element.Height, but.Element.Font)
} else if but.style&BS_ICON != 0 {
iw := but.icon.Bounds().Dx()
ih := but.icon.Bounds().Dy()
hoffsetIcon := but.Element.Width/2 - int(iw)/2
voffsetIcon := but.Element.Height/2 - int(ih)/2
gfx.DrawOver(&but.parent.Element, but.icon, but.Element.X+hoffsetIcon, but.Element.Y+voffsetIcon, iw, ih)
}
}
func (c *Compositor) Compose() {
for {
<-c.InvMsgPipe
<-c.MouseWait
// render desktop, windows, and child elements
for v := c.WindowList.Back(); v != nil; v = v.Prev() {
e := v.Value.(*base.Element)
gfx.DrawSrc(c.fb, e, e.X, e.Y, e.Width, e.Height)
}
// render mouse pointer
if c.mousePointer != nil {
gfx.DrawOver(c.fb, c.mousePointer, c.mousePointer.X, c.mousePointer.Y, c.mousePointer.Width, c.mousePointer.Height)
}
flush(c)
c.CompositorRelease <- false
}
}