func drawWindow(ctx *nanovgo.Context, title string, x, y, w, h float32) {
var cornerRadius float32 = 3.0
ctx.Save()
defer ctx.Restore()
// ctx.Reset();
// Window
ctx.BeginPath()
ctx.RoundedRect(x, y, w, h, cornerRadius)
ctx.SetFillColor(nanovgo.RGBA(28, 30, 34, 192))
// ctx.FillColor(nanovgo.RGBA(0,0,0,128));
ctx.Fill()
// Drop shadow
shadowPaint := nanovgo.BoxGradient(x, y+2, w, h, cornerRadius*2, 10, nanovgo.RGBA(0, 0, 0, 128), nanovgo.RGBA(0, 0, 0, 0))
ctx.BeginPath()
ctx.Rect(x-10, y-10, w+20, h+30)
ctx.RoundedRect(x, y, w, h, cornerRadius)
ctx.PathWinding(nanovgo.Hole)
ctx.SetFillPaint(shadowPaint)
ctx.Fill()
// Header
headerPaint := nanovgo.LinearGradient(x, y, x, y+15, nanovgo.RGBA(255, 255, 255, 8), nanovgo.RGBA(0, 0, 0, 16))
ctx.BeginPath()
ctx.RoundedRect(x+1, y+1, w-2, 30, cornerRadius-1)
ctx.SetFillPaint(headerPaint)
ctx.Fill()
ctx.BeginPath()
ctx.MoveTo(x+0.5, y+0.5+30)
ctx.LineTo(x+0.5+w-1, y+0.5+30)
ctx.SetStrokeColor(nanovgo.RGBA(0, 0, 0, 32))
ctx.Stroke()
ctx.SetFontSize(18.0)
ctx.SetFontFace("sans-bold")
ctx.SetTextAlign(nanovgo.AlignCenter | nanovgo.AlignMiddle)
ctx.SetFontBlur(2)
ctx.SetFillColor(nanovgo.RGBA(0, 0, 0, 128))
ctx.Text(x+w/2, y+16+1, title)
ctx.SetFontBlur(0)
ctx.SetFillColor(nanovgo.RGBA(220, 220, 220, 160))
ctx.Text(x+w/2, y+16, title)
}
func (w *Window) Draw(self Widget, ctx *nanovgo.Context) {
ds := float32(w.theme.WindowDropShadowSize)
cr := float32(w.theme.WindowCornerRadius)
hh := float32(w.theme.WindowHeaderHeight)
// Draw window
wx := float32(w.x)
wy := float32(w.y)
ww := float32(w.w)
wh := float32(w.h)
ctx.Save()
ctx.BeginPath()
ctx.RoundedRect(wx, wy, ww, wh, cr)
if w.mouseFocus {
ctx.SetFillColor(w.theme.WindowFillFocused)
} else {
ctx.SetFillColor(w.theme.WindowFillUnfocused)
}
ctx.Fill()
// Draw a drop shadow
shadowPaint := nanovgo.BoxGradient(wx, wy, ww, wh, cr*2, ds*2, w.theme.DropShadow, w.theme.Transparent)
ctx.BeginPath()
ctx.Rect(wx-ds, wy-ds, ww+ds*2, wh+ds*2)
ctx.RoundedRect(wx, wy, ww, wh, cr)
ctx.PathWinding(nanovgo.Hole)
ctx.SetFillPaint(shadowPaint)
ctx.Fill()
if w.title != "" {
headerPaint := nanovgo.LinearGradient(wx, wy, ww, wh+hh, w.theme.WindowHeaderGradientTop, w.theme.WindowHeaderGradientBot)
ctx.BeginPath()
ctx.RoundedRect(wx, wy, ww, hh, cr)
ctx.SetFillPaint(headerPaint)
ctx.Fill()
ctx.BeginPath()
ctx.RoundedRect(wx, wy, ww, wh, cr)
ctx.SetStrokeColor(w.theme.WindowHeaderSepTop)
ctx.Scissor(wx, wy, ww, 0.5)
ctx.Stroke()
ctx.ResetScissor()
ctx.BeginPath()
ctx.MoveTo(wx+0.5, wy+hh-1.5)
ctx.LineTo(wx+ww-0.5, wy+hh-1.5)
ctx.SetStrokeColor(w.theme.WindowHeaderSepTop)
ctx.Stroke()
ctx.SetFontSize(18.0)
ctx.SetFontFace(w.theme.FontBold)
ctx.SetTextAlign(nanovgo.AlignCenter | nanovgo.AlignMiddle)
ctx.SetFontBlur(2.0)
ctx.SetFillColor(w.theme.DropShadow)
ctx.Text(wx+ww*0.5, wy+hh*0.5, w.title)
ctx.SetFontBlur(0.0)
if w.focused {
ctx.SetFillColor(w.theme.WindowTitleFocused)
} else {
ctx.SetFillColor(w.theme.WindowTitleUnfocused)
}
ctx.Text(wx+ww*0.5, wy+hh*0.5-1, w.title)
}
ctx.Restore()
w.WidgetImplement.Draw(self, ctx)
}