func (f *Form) DrawInto(box box.Box, offsetX, offsetY int) {
if len(f.fields) == 0 {
return
}
boxW, boxH := box.Size()
currentY := offsetY
for _, field := range f.fields {
field.HandleResize(boxW-offsetX, boxH-offsetY)
}
// it would be nice to draw into an infinitely large box and then only copy the relevant portion.. this architecture doesn't really allow for that though
f.ensureCurrentFieldOnScreen(boxH)
for _, field := range f.fields[f.currentTopField:] {
_, fieldH := field.Size()
//log.Printf("field %d: box: %dx%d offset: (%d,%d) fieldH: %d)", i, boxW, boxH, offsetX, currentY, fieldH)
if currentY+fieldH > boxH {
return
}
field.DrawInto(box, offsetX, currentY)
currentY += fieldH + 1
}
}
func (f *LabelField) DrawInto(box box.Box, offsetX, offsetY int) {
boxW, _ /*boxH*/ := box.Size()
sizeX, _ /*sizeY*/ := f.Size()
// | label field |
if offsetX+sizeX > boxW {
// it aint gonna fit.
return
}
// -2 for spaces either side of the label, -3 for space after the innerField
DrawString(f.label, box, offsetX+1, offsetY, boxW-offsetX-2)
return
}
func (f *LabelledField) DrawInto(box box.Box, offsetX, offsetY int) {
boxW, _ /*boxH*/ := box.Size()
sizeX, _ /*sizeY*/ := f.Size()
innerWidth, _ := f.innerField.Size()
// | label field |
if offsetX+sizeX > boxW {
// it aint gonna fit.
return
}
// -2 for spaces either side of the label, -3 for space after the innerField
labelWidth := (boxW - offsetX) - innerWidth - 5
DrawString(f.label, box, offsetX+1, offsetY, labelWidth)
f.innerField.DrawInto(box, offsetX+labelWidth+4, offsetY)
return
}