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Core now conforms to new API

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Core actually now fulfills the Element interface on its own which
is pretty cool.
This commit is contained in:
Sasha Koshka 2023-01-15 23:48:41 -05:00
parent 466fdb8472
commit 01d8b64b24
1 changed files with 26 additions and 44 deletions
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70
elements/core/core.go
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@ -27,46 +27,47 @@ func NewCore (parent tomo.Element) (core *Core, control CoreControl) {
return
}
func (core Core) ColorModel () (model color.Model) {
func (core *Core) ColorModel () (model color.Model) {
return color.RGBAModel
}
func (core Core) At (x, y int) (pixel color.Color) {
func (core *Core) At (x, y int) (pixel color.Color) {
return core.canvas.At(x, y)
}
func (core Core) Bounds () (bounds image.Rectangle) {
func (core *Core) Bounds () (bounds image.Rectangle) {
return core.canvas.Bounds()
}
func (core Core) Set (x, y int, c color.Color) () {
func (core *Core) Set (x, y int, c color.Color) () {
core.canvas.Set(x, y, c)
}
func (core Core) Buffer () (data []color.RGBA, stride int) {
func (core *Core) Buffer () (data []color.RGBA, stride int) {
return core.canvas.Buffer()
}
func (core Core) Selectable () (selectable bool) {
return core.selectable
func (core *Core) MinimumSize () (width, height int) {
return core.metrics.minimumWidth, core.metrics.minimumHeight
}
func (core Core) Selected () (selected bool) {
return core.selected
}
func (core Core) AdvanceSelection (direction int) (ok bool) {
return
func (core *Core) Resize (width, height int) {
if width < core.metrics.minimumWidth {
width = core.metrics.minimumWidth
}
if height < core.metrics.minimumHeight {
height = core.metrics.minimumHeight
}
bounds := core.canvas.Bounds()
if width != bounds.Dx() || height != bounds.Dy() {
core.canvas = tomo.NewBasicCanvas(width, height)
}
}
func (core *Core) SetParentHooks (hooks tomo.ParentHooks) {
core.hooks = hooks
}
func (core Core) MinimumSize () (width, height int) {
return core.metrics.minimumWidth, core.metrics.minimumHeight
}
// CoreControl is a struct that can exert control over a control struct. It can
// be used as a canvas. It must not be directly embedded into an element, but
// instead kept as a private member.
@ -79,22 +80,6 @@ func (control CoreControl) HasImage () (empty bool) {
return !control.Bounds().Empty()
}
func (control CoreControl) Select () (granted bool) {
return control.core.hooks.RunSelectionRequest()
}
func (control CoreControl) SetSelected (selected bool) {
if !control.core.selectable { return }
control.core.selected = selected
}
func (control CoreControl) SetSelectable (selectable bool) {
if control.core.selectable == selectable { return }
control.core.selectable = selectable
if !selectable { control.core.selected = false }
control.core.hooks.RunSelectabilityChange(selectable)
}
func (control CoreControl) PushRegion (bounds image.Rectangle) {
control.core.hooks.RunDraw(tomo.Cut(control, bounds))
}
@ -123,17 +108,14 @@ func (control CoreControl) SetMinimumSize (width, height int) {
// if there is an image buffer, and the current size is less
// than this new minimum size, send core.parent a resize event.
bounds := control.Bounds()
imageWidth,
imageHeight,
constrained := control.ConstrainSize (
bounds.Dx(),
bounds.Dy())
if constrained {
core.parent.Handle (tomo.EventResize {
Width: imageWidth,
Height: imageHeight,
})
if control.HasImage() {
bounds := control.Bounds()
imageWidth,
imageHeight,
constrained := control.ConstrainSize(bounds.Dx(), bounds.Dy())
if constrained {
core.parent.Resize(imageWidth, imageHeight)
}
}
}