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Updated the X backend to reflect the new API change

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The window no longer behaves like an element, and it sets an
entire ParentHooks struct instead of individual callbacks.
This commit is contained in:
Sasha Koshka 2023-01-09 11:21:23 -05:00
parent 192a91757f
commit 7c6b9317fc
1 changed files with 5 additions and 80 deletions
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85
backends/x/window.go
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@ -1,7 +1,6 @@
package x
import "image"
import "image/color"
import "github.com/jezek/xgb/xproto"
import "github.com/jezek/xgbutil/ewmh"
import "github.com/jezek/xgbutil/icccm"
@ -78,90 +77,16 @@ func (backend *Backend) NewWindow (
return
}
func (window *Window) ColorModel () (model color.Model) {
return color.RGBAModel
}
func (window *Window) At (x, y int) (pixel color.Color) {
pixel = window.xCanvas.At(x, y)
return
}
func (window *Window) RGBAAt (x, y int) (pixel color.RGBA) {
sourcePixel := window.xCanvas.At(x, y).(xgraphics.BGRA)
pixel = color.RGBA {
R: sourcePixel.R,
G: sourcePixel.G,
B: sourcePixel.B,
A: sourcePixel.A,
}
return
}
func (window *Window) Bounds () (bounds image.Rectangle) {
bounds.Max = image.Point {
X: window.metrics.width,
Y: window.metrics.height,
}
return
}
func (window *Window) Handle (event tomo.Event) () {
switch event.(type) {
case tomo.EventResize:
resizeEvent := event.(tomo.EventResize)
// we will receive a resize event from X later which will be
// handled by our event handler callbacks.
if resizeEvent.Width < window.MinimumWidth() {
resizeEvent.Width = window.MinimumWidth()
}
if resizeEvent.Height < window.MinimumHeight() {
resizeEvent.Height = window.MinimumHeight()
}
window.xWindow.Resize(resizeEvent.Width, resizeEvent.Height)
default:
if window.child != nil { window.child.Handle(event) }
}
return
}
func (window *Window) SetDrawCallback (draw func (region tomo.Image)) {
window.drawCallback = draw
}
func (window *Window) SetMinimumSizeChangeCallback (
notify func (width, height int),
) {
window.minimumSizeChangeCallback = notify
}
func (window *Window) Selectable () (selectable bool) {
if window.child != nil { selectable = window.child.Selectable() }
return
}
func (window *Window) MinimumWidth () (minimum int) {
if window.child != nil { minimum = window.child.MinimumWidth() }
minimum = 8
return
}
func (window *Window) MinimumHeight () (minimum int) {
if window.child != nil { minimum = window.child.MinimumHeight() }
minimum = 8
return
}
func (window *Window) Adopt (child tomo.Element) {
if window.child != nil {
window.child.SetDrawCallback(nil)
window.child.SetMinimumSizeChangeCallback(nil)
child.SetParentHooks (tomo.ParentHooks {})
}
window.child = child
if child != nil {
child.SetDrawCallback(window.childDrawCallback)
child.SetMinimumSizeChangeCallback (
window.childMinimumSizeChangeCallback)
child.SetParentHooks (tomo.ParentHooks {
Draw: window.childDrawCallback,
MinimumSizeChange: window.childMinimumSizeChangeCallback,
})
window.resizeChildToFit()
}
window.childMinimumSizeChangeCallback (