Fixed Window.NewChild returning the parent (oops)

go.mod

@@ -3,11 +3,8 @@ module git.tebibyte.media/tomo/backend
 go 1.20
 
 require (
-	git.tebibyte.media/tomo/tomo v0.34.0
+	git.tebibyte.media/tomo/tomo v0.36.0
 	git.tebibyte.media/tomo/typeset v0.7.1
-)
-
-require (
 	git.tebibyte.media/tomo/xgbkb v1.0.1
 	github.com/jezek/xgb v1.1.1
 	github.com/jezek/xgbutil v0.0.0-20231116234834-47f30c120111

go.sum

@@ -1,6 +1,6 @@
 git.tebibyte.media/sashakoshka/xgbkb v1.0.0/go.mod h1:pNcE6TRO93vHd6q42SdwLSTTj25L0Yzggz7yLe0JV6Q=
-git.tebibyte.media/tomo/tomo v0.34.0 h1:r5yJPks9rtzdDI2RyAUdqa1qb6BebG0QFe2cTmcFi+0=
-git.tebibyte.media/tomo/tomo v0.34.0/go.mod h1:C9EzepS9wjkTJjnZaPBh22YvVPyA4hbBAJVU20Rdmps=
+git.tebibyte.media/tomo/tomo v0.36.0 h1:V9vyPYb4kpUceBhcDF/XyLDACzE5lY8kYEGHAkIsqs0=
+git.tebibyte.media/tomo/tomo v0.36.0/go.mod h1:C9EzepS9wjkTJjnZaPBh22YvVPyA4hbBAJVU20Rdmps=
 git.tebibyte.media/tomo/typeset v0.7.1 h1:aZrsHwCG5ZB4f5CruRFsxLv5ezJUCFUFsQJJso2sXQ8=
 git.tebibyte.media/tomo/typeset v0.7.1/go.mod h1:PwDpSdBF3l/EzoIsa2ME7QffVVajnTHZN6l3MHEGe1g=
 git.tebibyte.media/tomo/xgbkb v1.0.1 h1:b3HDUopjdQp1MZrb5Vpil4bOtk3NnNXtfQW27Blw2kE=

internal/system/box.go

@@ -19,6 +19,8 @@ type box struct {
 	parent parent
 	outer  anyBox
 
+	role tomo.Role
+
 	bounds              image.Rectangle
 	minSize             image.Point
 	userMinSize         image.Point
@@ -106,6 +108,10 @@ func (this *box) MinimumSize () image.Point {
 	return this.minSize
 }
 
+func (this *box) Role () tomo.Role {
+	return this.role
+}
+
 func (this *box) borderSum () tomo.Inset {
 	sum := tomo.Inset { }
 	for _, border := range this.border {
@@ -182,6 +188,10 @@ func (this *box) SetPadding (padding tomo.Inset) {
 	this.invalidateMinimum()
 }
 
+func (this *box) SetRole (role tomo.Role) {
+	this.role = role
+}
+
 func (this *box) SetDNDData (dat data.Data) {
 	this.dndData = dat
 }
@@ -191,7 +201,7 @@ func (this *box) SetDNDAccept (types ...data.Mime) {
 }
 
 func (this *box) SetFocused (focused bool) {
-	hierarchy := this.parent.getHierarchy()
+	hierarchy := this.getHierarchy()
 	if hierarchy == nil {
 		focusedCopy := focused
 		this.focusQueued = &focusedCopy
@@ -217,7 +227,7 @@ func (this *box) SetFocusable (focusable bool) {
 func (this *box) Focused () bool {
 	hierarchy := this.getHierarchy()
 	if hierarchy == nil { return false }
-	return hierarchy.isFocused(this)
+	return hierarchy.isFocused(this.outer)
 }
 
 func (this *box) Modifiers () input.Modifiers {

internal/system/event.go

@@ -36,7 +36,7 @@ func (this *Hierarchy) HandleKeyDown (key input.Key, numberPad bool) {
 // be called *before* HandleKeyUp.
 func (this *Hierarchy) HandleKeyUp (key input.Key, numberPad bool) {
 	if target := this.keyboardTarget(); target != nil {
-		target.handleKeyDown(key, numberPad)
+		target.handleKeyUp(key, numberPad)
 	}
 }
 

internal/system/system.go

@@ -15,8 +15,6 @@ type System struct {
 type BackendLink interface {
 	// NewTexture creates a new texture from an image.
 	NewTexture (image.Image) canvas.TextureCloser
-	// NewCanvas creates a new blank canvas with the specified bounds.
-	NewCanvas  (image.Rectangle) canvas.Canvas
 	// NewSurface creates a new surface with the specified bounds.
 	NewSurface (image.Rectangle) (SurfaceLink, error)
 }

x/backend.go

@@ -31,10 +31,6 @@ func (this *backendLink) NewTexture (source image.Image) canvas.TextureCloser {
 	return this.backend.NewTexture(source)
 }
 
-func (this *backendLink) NewCanvas (bounds image.Rectangle) canvas.Canvas {
-	return this.backend.NewCanvas(bounds)
-}
-
 func (this *backendLink) NewSurface (bounds image.Rectangle) (system.SurfaceLink, error) {
 	// TODO
 	return nil, errors.New("x: not implemented")
@@ -126,7 +122,7 @@ func (this *Backend) NewTexture (source image.Image) canvas.TextureCloser {
 	return xcanvas.NewTextureFrom(source)
 }
 
-func (this *Backend) NewCanvas (bounds image.Rectangle) canvas.Canvas {
+func (this *Backend) NewCanvas (bounds image.Rectangle) canvas.CanvasCloser {
 	return xcanvas.NewCanvas(this.x, bounds)
 }
 

x/canvas/canvas.go

@@ -49,9 +49,10 @@ func (this *Canvas) Push (window xproto.Window) {
 }
 
 // Close frees this canvas from the X server.
-func (this *Canvas) Close () {
+func (this *Canvas) Close () error {
 	this.assert()
 	this.Image.Destroy()
+	return nil
 }
 
 func (this *Canvas) assert () {

x/event.go

@@ -13,7 +13,7 @@ type scrollSum struct {
 }
 
 // TODO: this needs to be configurable, we need a config api
-const scrollDistance = 16
+const scrollDistance = 32
 
 func (sum *scrollSum) add (button xproto.Button, window *window, state uint16) {
 	if xgbkb.StateToModifiers(state).Shift {

x/window.go

@@ -18,7 +18,6 @@ import "github.com/jezek/xgbutil/keybind"
 import "github.com/jezek/xgbutil/mousebind"
 import "github.com/jezek/xgbutil/xgraphics"
 
-type mainWindow struct { *window }
 type window struct {
 	backend   *Backend
 	hierarchy *system.Hierarchy
@@ -28,6 +27,7 @@ type window struct {
 
 	title string
 
+	leader      *window
 	modalParent *window
 	hasModal    bool
 	shy         bool
@@ -63,28 +63,24 @@ func (this *windowLink) NotifyMinimumSizeChange () {
 func (this *Backend) NewWindow (
 	bounds image.Rectangle,
 ) (
-	output tomo.MainWindow,
+	output tomo.Window,
 	err error,
 ) {
 	this.assert()
-	window, err := this.newWindow(bounds, false)
-	
-	output = mainWindow { window: window }
-	return output, err
+	return this.newWindow(bounds, false)
 }
 
 func (this *Backend) NewPlainWindow (
 	bounds image.Rectangle,
 ) (
-	output tomo.MainWindow,
+	output tomo.Window,
 	err error,
 ) {
 	this.assert()
 	window, err := this.newWindow(bounds, false)
 	window.setType("dock")
 	
-	output = mainWindow { window: window }
-	return output, err
+	return window, err
 }
 
 func (this *Backend) newWindow (
@@ -100,6 +96,7 @@ func (this *Backend) newWindow (
 	window := &window     { backend: this   }
 	link   := &windowLink { window:  window }
 	window.hierarchy = this.system.NewHierarchy(link)
+	window.leader    = window
 
 	window.xWindow, err = xwindow.Generate(this.x)
 	if err != nil { return }
@@ -178,10 +175,11 @@ func (this *window) SetTitle (title string) {
 	icccm.WmIconNameSet (this.backend.x, this.xWindow.Id, title)
 }
 
-func (this *window) SetIcon (sizes ...image.Image) {
+func (this *window) SetIcon (sizes ...canvas.Texture) {
 	wmIcons := []ewmh.WmIcon { }
-	
+
 	for _, icon := range sizes {
+		// TODO we use textures now. make this better
 		width  := icon.Bounds().Max.X
 		height := icon.Bounds().Max.Y
 		wmIcon := ewmh.WmIcon {
@@ -247,19 +245,24 @@ func (this *window) NewModal (bounds image.Rectangle) (tomo.Window, error) {
 	return modal, err
 }
 
-func (this mainWindow) NewChild (bounds image.Rectangle) (tomo.Window, error) {
+func (this *window) NewChild (bounds image.Rectangle) (tomo.Window, error) {
+	leader := this.leader
+	
 	child, err := this.backend.newWindow (
 		bounds.Add(this.metrics.bounds.Min), false)
+	child.leader = leader
 	if err != nil { return nil, err }
-	child.setClientLeader(this.window)
-	this.setClientLeader(this.window)
+	
+	child.setClientLeader(leader)
+	leader.setClientLeader(leader)
+	
 	icccm.WmTransientForSet (
 		this.backend.x,
-		this.xWindow.Id,
-		this.xWindow.Id)
-	this.setType("UTILITY")
-	// this.inheritProperties(this.window)
-	return this, err
+		child.xWindow.Id,
+		leader.xWindow.Id)
+	child.setType("UTILITY")
+	// child.inheritProperties(leader.window)
+	return child, err
 }
 
 func (this *window) Widget () (tomo.Window, error) {
@@ -361,7 +364,7 @@ func (this *window) reallocateCanvas () {
 	
 	if larger || smaller {
 		if this.xCanvas != nil {
-			this.xCanvas.Destroy()
+			this.xCanvas.Close()
 		}
 		this.xCanvas = xcanvas.NewCanvasFrom(xgraphics.New (
 			this.backend.x,