func (win *Window) TitleBarButton(ms *mouse.Mouse, fnClick clickHandler, x, y, w, h int) *TitleBarButton {
but := &TitleBarButton{
parent: win,
fb: win.fb,
wasClicked: false,
clickHndr: fnClick,
}
win.Children.PushFront(but)
but.Element = base.Element{
Id: base.GenerateId(),
X: x,
Y: y,
ScreenX: win.Element.X + x,
ScreenY: win.Element.Y + y,
Width: w,
Height: h,
InvMsgPipe: win.InvMsgPipe,
}
ms.RegisterMouse(but.Element.Id, but.Mouse, nil, &but.Element.ScreenX, &but.Element.ScreenY, w, h)
but.Draw()
return but
}
// style should be one of BS_TEXT, BS_ICON_TEXT, BS_ICON
// icon should be nil for BS_TEXT
// txt should be empty string for BS_ICON
func (win *Window) Button(style byte, ms *mouse.Mouse, icon image.Image, txt string, fnClick clickHandler, x, y, w, h int) *Button {
but := &Button{
parent: win,
fb: win.fb,
wasClicked: false,
clickHndr: fnClick,
txt: txt,
style: style,
icon: icon,
pushed: false,
}
win.Children.PushFront(but)
but.Element = base.Element{
Id: base.GenerateId(),
X: x,
Y: y,
ScreenX: win.Element.X + x,
ScreenY: win.Element.Y + y,
Width: w,
Height: h,
InvMsgPipe: win.InvMsgPipe,
Font: fonts.Default(),
}
ms.RegisterMouse(but.Element.Id, but.Mouse, nil, &but.Element.ScreenX, &but.Element.ScreenY, w, h)
but.Draw()
return but
}
func (win *Window) Label(ms *mouse.Mouse, txt string, x, y, w, h int) *Label {
lab := &Label{
parent: win,
fb: win.fb,
txt: txt,
}
win.Children.PushFront(lab)
lab.Element = base.Element{
Id: base.GenerateId(),
X: x,
Y: y,
ScreenX: win.Element.X + x,
ScreenY: win.Element.Y + y,
Width: w,
Height: h,
InvMsgPipe: win.InvMsgPipe,
Font: fonts.Default(),
}
lab.Draw()
return lab
}
func CreateWindow(style byte, fnCmpWinActivate cmpWinActivateHandler, fb *fbdev.Framebuffer, ms *mouse.Mouse, imp chan int64,
x, y, w, h int) (*Window, error) {
win := &Window{
fb: fb,
titleBarHeight: 20,
wasClicked: false,
cmpWinActHndr: fnCmpWinActivate,
tbHidden: style&WS_TITLEBAR_HIDDEN != 0,
bg: color.RGBA{
R: 241,
G: 240,
B: 238,
A: gfx.A_OPAQUE,
},
}
win.Element = base.Element{
Id: base.GenerateId(),
X: x, // relative position within the parent element
Y: y,
ScreenX: x, // position within the screen coordinates
ScreenY: y,
Width: w,
Height: h,
Buffer: make([]byte, w*h*4),
InvMsgPipe: imp,
DeactivateHndr: win.Deactivate,
Children: list.New(),
}
ms.RegisterMouse(win.Element.Id, win.Mouse, win.activate, &win.Element.ScreenX, &win.Element.ScreenY, w, h)
if !win.tbHidden {
win.closeButton = win.TitleBarButton(ms, func(_ bool) {
log.Debugf("Window %v exiting...", win.Id)
// deregister the window
win.Element.CompRemoveHdnr(win.Id)
// remove mouse handlers
ms.DeregisterMouse(win.Id)
for v := win.Children.Front(); v != nil; v = v.Next() {
ms.DeregisterMouse(v.Value.(base.IElement).GetId())
}
}, w-15, 5, 10, 10)
}
win.Draw()
return win, nil
}
func (win *Window) CheckBox(style byte, ms *mouse.Mouse, txt string, fnClick clickHandler, x, y int) *CheckBox {
cb := &CheckBox{
parent: win,
fb: win.fb,
clickHndr: fnClick,
txt: txt,
style: style,
checked: false,
mouseIn: false,
}
win.Children.PushFront(cb)
cb.Element = base.Element{
Id: base.GenerateId(),
X: x,
Y: y,
ScreenX: win.Element.X + x,
ScreenY: win.Element.Y + y,
Width: tk.cbChecked.Bounds().Dx(),
Height: tk.cbChecked.Bounds().Dy(),
InvMsgPipe: win.InvMsgPipe,
Font: fonts.Default(),
}
var totalWidth, totalHeight int
if txt != "" {
w, h, _ := fonts.ExpectedSize(cb.Element.Font, txt)
totalWidth = cb.Element.Width + ICON_TEXT_SPACE + int(w)
if int(h) > cb.Element.Height {
totalHeight = int(h)
} else {
totalHeight = cb.Element.Height
}
} else {
totalWidth = cb.Element.Width
totalHeight = cb.Element.Height
}
ms.RegisterMouse(cb.Element.Id, cb.Mouse, nil, &cb.Element.ScreenX, &cb.Element.ScreenY, totalWidth, totalHeight)
cb.Draw()
return cb
}