func InitWidget(d Widget, w walk.Widget, customInit func() error) error {
var succeeded bool
defer func() {
if !succeeded {
w.Dispose()
}
}()
// Widget
name, disabled, hidden, font, minSize, maxSize, stretchFactor, row, rowSpan, column, columnSpan, contextMenuActions := d.WidgetInfo()
w.SetName(name)
if err := w.SetMinMaxSize(minSize.toW(), maxSize.toW()); err != nil {
return err
}
if len(contextMenuActions) > 0 {
cm, err := walk.NewMenu()
if err != nil {
return err
}
if err := addToActionList(cm.Actions(), contextMenuActions); err != nil {
return err
}
w.SetContextMenu(cm)
}
if p := w.Parent(); p != nil {
switch l := p.Layout().(type) {
case *walk.BoxLayout:
if stretchFactor < 1 {
stretchFactor = 1
}
if err := l.SetStretchFactor(w, stretchFactor); err != nil {
return err
}
case *walk.GridLayout:
cs := columnSpan
if cs < 1 {
cs = 1
}
rs := rowSpan
if rs < 1 {
rs = 1
}
r := walk.Rectangle{column, row, cs, rs}
if err := l.SetRange(w, r); err != nil {
return err
}
}
}
// Container
if dc, ok := d.(Container); ok {
if wc, ok := w.(walk.Container); ok {
layout, children := dc.ContainerInfo()
if layout != nil {
l, err := layout.Create()
if err != nil {
return err
}
if err := wc.SetLayout(l); err != nil {
return err
}
}
for _, child := range children {
if err := child.Create(wc); err != nil {
return err
}
}
}
}
// Widget continued
w.SetEnabled(!disabled)
w.SetVisible(!hidden)
if font != nil {
if f, err := font.Create(); err != nil {
return err
} else if f != nil {
w.SetFont(f)
}
}
// Custom
if customInit != nil {
if err := customInit(); err != nil {
return err
}
}
succeeded = true
return nil
}
