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atomize-element-interface #2

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sashakoshka merged 20 commits from atomize-element-interface into main 2023-01-16 17:24:23 +00:00
Conversation 0 Commits 20 Files Changed 25 +26 -44
1 changed files with 26 additions and 44 deletions
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Showing only changes of commit 01d8b64b24 - Show all commits

70
elements/core/core.go
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@ -27,46 +27,47 @@ func NewCore (parent tomo.Element) (core *Core, control CoreControl) {
return return
} }
func (core Core) ColorModel () (model color.Model) { func (core *Core) ColorModel () (model color.Model) {
return color.RGBAModel 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) return core.canvas.At(x, y)
} }
func (core Core) Bounds () (bounds image.Rectangle) { func (core *Core) Bounds () (bounds image.Rectangle) {
return core.canvas.Bounds() 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) 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() return core.canvas.Buffer()
} }
func (core Core) Selectable () (selectable bool) { func (core *Core) MinimumSize () (width, height int) {
return core.selectable return core.metrics.minimumWidth, core.metrics.minimumHeight
} }
func (core Core) Selected () (selected bool) { func (core *Core) Resize (width, height int) {
return core.selected if width < core.metrics.minimumWidth {
} width = core.metrics.minimumWidth
}
func (core Core) AdvanceSelection (direction int) (ok bool) { if height < core.metrics.minimumHeight {
return 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) { func (core *Core) SetParentHooks (hooks tomo.ParentHooks) {
core.hooks = hooks 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 // 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 // be used as a canvas. It must not be directly embedded into an element, but
// instead kept as a private member. // instead kept as a private member.
@ -79,22 +80,6 @@ func (control CoreControl) HasImage () (empty bool) {
return !control.Bounds().Empty() 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) { func (control CoreControl) PushRegion (bounds image.Rectangle) {
control.core.hooks.RunDraw(tomo.Cut(control, bounds)) 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 // if there is an image buffer, and the current size is less
// than this new minimum size, send core.parent a resize event. // than this new minimum size, send core.parent a resize event.
bounds := control.Bounds() if control.HasImage() {
imageWidth, bounds := control.Bounds()
imageHeight, imageWidth,
constrained := control.ConstrainSize ( imageHeight,
bounds.Dx(), constrained := control.ConstrainSize(bounds.Dx(), bounds.Dy())
bounds.Dy()) if constrained {
if constrained { core.parent.Resize(imageWidth, imageHeight)
core.parent.Handle (tomo.EventResize { }
Width: imageWidth,
Height: imageHeight,
})
} }
} }