Basic support in X backend for new API
This commit is contained in:
parent
bb9c5df088
commit
e931717241
@ -10,18 +10,25 @@ type entity struct {
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children []*entity
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element tomo.Element
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drawDirty bool
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layoutDirty bool
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bounds image.Rectangle
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minWidth int
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minHeight int
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bounds image.Rectangle
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clippedBounds image.Rectangle
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minWidth int
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minHeight int
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layoutInvalid bool
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isContainer bool
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}
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func bind (element tomo.Element) *entity {
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entity := &entity { drawDirty: true }
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func bind (parent *entity, window *window, element tomo.Element) *entity {
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entity := &entity {
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window: window,
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parent: parent,
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element: element,
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}
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entity.Invalidate()
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if _, ok := element.(tomo.Container); ok {
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entity.layoutDirty = true
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entity.isContainer = true
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entity.InvalidateLayout()
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}
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element.Bind(entity)
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@ -38,7 +45,8 @@ func (entity *entity) unbind () {
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// ----------- Entity ----------- //
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func (entity *entity) Invalidate () {
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entity.drawDirty = true
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if entity.window.system.invalidateIgnore { return }
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entity.window.drawingInvalid.Add(entity)
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}
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func (entity *entity) Bounds () image.Rectangle {
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@ -64,18 +72,20 @@ func (entity *entity) DrawBackground (destination canvas.Canvas, bounds image.Re
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// ----------- ContainerEntity ----------- //
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func (entity *entity) InvalidateLayout () {
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entity.layoutDirty = true
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if !entity.isContainer { return }
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entity.layoutInvalid = true
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entity.window.system.anyLayoutInvalid = true
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}
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func (entity *entity) Adopt (child tomo.Element) {
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entity.children = append(entity.children, bind(child))
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entity.children = append(entity.children, bind(entity, entity.window, child))
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}
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func (entity *entity) Insert (index int, child tomo.Element) {
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entity.children = append (
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entity.children[:index + 1],
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entity.children[index:]...)
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entity.children[index] = bind(child)
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entity.children[index] = bind(entity, entity.window, child)
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}
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func (entity *entity) Disown (index int) {
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@ -104,7 +114,13 @@ func (entity *entity) CountChildren () int {
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}
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func (entity *entity) PlaceChild (index int, bounds image.Rectangle) {
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entity.children[index].bounds = bounds
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child := entity.children[index]
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child.bounds = bounds
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child.clippedBounds = entity.bounds.Intersect(bounds)
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child.Invalidate()
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if child.isContainer {
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child.InvalidateLayout()
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}
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}
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func (entity *entity) ChildMinimumSize (index int) (width, height int) {
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@ -41,7 +41,6 @@ func (sum *scrollSum) add (button xproto.Button, window *window, state uint16) {
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sum.x += scrollDistance
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}
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}
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}
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func (window *window) handleExpose (
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@ -49,6 +48,7 @@ func (window *window) handleExpose (
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event xevent.ExposeEvent,
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) {
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_, region := window.compressExpose(*event.ExposeEvent)
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window.system.afterEvent()
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window.pushRegion(region)
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}
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@ -74,7 +74,6 @@ func (window *window) handleConfigureNotify (
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window.updateBounds (
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configureEvent.X, configureEvent.Y,
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configureEvent.Width, configureEvent.Height)
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if sizeChanged {
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configureEvent = window.compressConfigureNotify(configureEvent)
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@ -85,8 +84,11 @@ func (window *window) handleConfigureNotify (
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window.resizeChildToFit()
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if !window.exposeEventFollows(configureEvent) {
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window.redrawChildEntirely()
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window.child.Invalidate()
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window.child.InvalidateLayout()
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}
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window.system.afterEvent()
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}
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}
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@ -136,21 +138,21 @@ func (window *window) handleKeyPress (
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modifiers.NumberPad = numberPad
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if key == input.KeyTab && modifiers.Alt {
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if child, ok := window.child.(tomo.Focusable); ok {
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direction := input.KeynavDirectionForward
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if modifiers.Shift {
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direction = input.KeynavDirectionBackward
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}
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if !child.HandleFocus(direction) {
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child.HandleUnfocus()
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}
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}
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// if child, ok := window.child.element.(tomo.Focusable); ok {
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// direction := input.KeynavDirectionForward
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// if modifiers.Shift {
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// direction = input.KeynavDirectionBackward
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// }
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//
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// // TODO
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// }
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} else if key == input.KeyEscape && window.shy {
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window.Close()
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} else if child, ok := window.child.(tomo.KeyboardTarget); ok {
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} else if child, ok := window.child.element.(tomo.KeyboardTarget); ok {
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child.HandleKeyDown(key, modifiers)
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}
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window.system.afterEvent()
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}
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func (window *window) handleKeyRelease (
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@ -182,9 +184,11 @@ func (window *window) handleKeyRelease (
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modifiers := window.modifiersFromState(keyEvent.State)
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modifiers.NumberPad = numberPad
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if child, ok := window.child.(tomo.KeyboardTarget); ok {
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if child, ok := window.child.element.(tomo.KeyboardTarget); ok {
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child.HandleKeyUp(key, modifiers)
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}
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window.system.afterEvent()
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}
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func (window *window) handleButtonPress (
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@ -205,7 +209,7 @@ func (window *window) handleButtonPress (
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if !insideWindow && window.shy && !scrolling {
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window.Close()
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} else if scrolling {
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if child, ok := window.child.(tomo.ScrollTarget); ok {
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if child, ok := window.child.element.(tomo.ScrollTarget); ok {
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sum := scrollSum { }
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sum.add(buttonEvent.Detail, window, buttonEvent.State)
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window.compressScrollSum(buttonEvent, &sum)
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@ -215,7 +219,7 @@ func (window *window) handleButtonPress (
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float64(sum.x), float64(sum.y))
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}
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} else {
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if child, ok := window.child.(tomo.MouseTarget); ok {
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if child, ok := window.child.element.(tomo.MouseTarget); ok {
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child.HandleMouseDown (
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int(buttonEvent.EventX),
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int(buttonEvent.EventY),
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@ -223,6 +227,7 @@ func (window *window) handleButtonPress (
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}
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}
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window.system.afterEvent()
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}
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func (window *window) handleButtonRelease (
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@ -231,7 +236,7 @@ func (window *window) handleButtonRelease (
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) {
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if window.child == nil { return }
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if child, ok := window.child.(tomo.MouseTarget); ok {
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if child, ok := window.child.element.(tomo.MouseTarget); ok {
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buttonEvent := *event.ButtonReleaseEvent
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if buttonEvent.Detail >= 4 && buttonEvent.Detail <= 7 { return }
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child.HandleMouseUp (
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@ -239,6 +244,8 @@ func (window *window) handleButtonRelease (
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int(buttonEvent.EventY),
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input.Button(buttonEvent.Detail))
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}
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window.system.afterEvent()
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}
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func (window *window) handleMotionNotify (
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@ -247,12 +254,14 @@ func (window *window) handleMotionNotify (
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) {
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if window.child == nil { return }
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if child, ok := window.child.(tomo.MotionTarget); ok {
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if child, ok := window.child.element.(tomo.MotionTarget); ok {
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motionEvent := window.compressMotionNotify(*event.MotionNotifyEvent)
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child.HandleMotion (
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int(motionEvent.EventX),
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int(motionEvent.EventY))
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}
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window.system.afterEvent()
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}
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func (window *window) handleSelectionNotify (
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109
backends/x/system.go
Normal file
109
backends/x/system.go
Normal file
@ -0,0 +1,109 @@
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package x
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import "image"
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import "git.tebibyte.media/sashakoshka/tomo"
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import "git.tebibyte.media/sashakoshka/tomo/canvas"
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type entitySet map[*entity] struct { }
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func (set entitySet) Empty () bool {
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return len(set) == 0
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}
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func (set entitySet) Has (entity *entity) bool {
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_, ok := set[entity]
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return ok
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}
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func (set entitySet) Add (entity *entity) {
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set[entity] = struct { } { }
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}
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type system struct {
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child *entity
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focused *entity
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canvas canvas.BasicCanvas
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theme tomo.Theme
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config tomo.Config
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invalidateIgnore bool
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drawingInvalid entitySet
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anyLayoutInvalid bool
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pushFunc func (image.Rectangle)
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}
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func (system *system) initialize () {
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system.drawingInvalid = make(entitySet)
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}
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func (system *system) SetTheme (theme tomo.Theme) {
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system.theme = theme
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if system.child == nil { return }
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if child, ok := system.child.element.(tomo.Themeable); ok {
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child.SetTheme(theme)
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}
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}
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func (system *system) SetConfig (config tomo.Config) {
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system.config = config
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if system.child == nil { return }
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if child, ok := system.child.element.(tomo.Configurable); ok {
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child.SetConfig(config)
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}
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}
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func (system *system) resizeChildToFit () {
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system.child.bounds = system.canvas.Bounds()
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system.child.clippedBounds = system.child.bounds
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system.child.Invalidate()
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if system.child.isContainer {
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system.child.InvalidateLayout()
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}
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}
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func (system *system) afterEvent () {
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if system.anyLayoutInvalid {
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system.layout(system.child, false)
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system.anyLayoutInvalid = false
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}
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system.draw()
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}
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func (system *system) layout (entity *entity, force bool) {
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if entity == nil { return }
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if entity.layoutInvalid == true || force {
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entity.element.(tomo.Container).Layout()
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entity.layoutInvalid = false
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force = true
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}
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for _, child := range entity.children {
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system.layout(child, force)
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}
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}
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func (system *system) draw () {
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finalBounds := image.Rectangle { }
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// ignore invalidations that result from drawing elements, because if an
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// element decides to do that it really needs to rethink its life
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// choices.
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system.invalidateIgnore = true
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defer func () { system.invalidateIgnore = false } ()
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for entity := range system.drawingInvalid {
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entity.element.Draw (canvas.Cut (
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system.canvas,
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entity.clippedBounds))
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finalBounds = finalBounds.Union(entity.clippedBounds)
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}
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system.drawingInvalid = make(entitySet)
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// TODO: don't just union all the bounds together, we can definetly
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// consolidateupdated regions more efficiently than this.
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if !finalBounds.Empty() {
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system.pushFunc(finalBounds)
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}
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}
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@ -13,20 +13,16 @@ import "github.com/jezek/xgbutil/mousebind"
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import "github.com/jezek/xgbutil/xgraphics"
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import "git.tebibyte.media/sashakoshka/tomo"
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import "git.tebibyte.media/sashakoshka/tomo/data"
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import "git.tebibyte.media/sashakoshka/tomo/input"
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import "git.tebibyte.media/sashakoshka/tomo/canvas"
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// import "runtime/debug"
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type mainWindow struct { *window }
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type menuWindow struct { *window }
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type window struct {
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system
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backend *Backend
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xWindow *xwindow.Window
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xCanvas *xgraphics.Image
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canvas canvas.BasicCanvas
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child *entity
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focused *entity
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onClose func ()
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title, application string
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@ -34,15 +30,14 @@ type window struct {
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hasModal bool
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shy bool
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theme tomo.Theme
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config tomo.Config
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selectionRequest *selectionRequest
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selectionClaim *selectionClaim
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metrics struct {
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bounds image.Rectangle
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}
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onClose func ()
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}
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func (backend *Backend) NewWindow (
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@ -53,6 +48,10 @@ func (backend *Backend) NewWindow (
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) {
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if backend == nil { panic("nil backend") }
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window, err := backend.newWindow(bounds, false)
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window.system.initialize()
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window.system.pushFunc = window.paste
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output = mainWindow { window }
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return output, err
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}
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@ -136,69 +135,24 @@ func (backend *Backend) newWindow (
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return
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}
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func (window *window) NotifyMinimumSizeChange (child tomo.Element) {
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window.childMinimumSizeChangeCallback(child.MinimumSize())
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}
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func (window *window) Window () tomo.Window {
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return window
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}
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func (window *window) RequestFocus (
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child tomo.Focusable,
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) (
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granted bool,
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) {
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return true
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}
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func (window *window) RequestFocusNext (child tomo.Focusable) {
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if child, ok := window.child.(tomo.Focusable); ok {
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if !child.HandleFocus(input.KeynavDirectionForward) {
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child.HandleUnfocus()
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}
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}
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}
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func (window *window) RequestFocusPrevious (child tomo.Focusable) {
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if child, ok := window.child.(tomo.Focusable); ok {
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if !child.HandleFocus(input.KeynavDirectionBackward) {
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child.HandleUnfocus()
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}
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}
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}
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func (window *window) Adopt (child tomo.Element) {
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// disown previous child
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if window.child != nil {
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window.child.SetParent(nil)
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window.child.DrawTo(nil, image.Rectangle { }, nil)
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window.child.unbind()
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window.child = nil
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}
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// adopt new child
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if child != nil {
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// adopt new child
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window.child = child
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child.SetParent(window)
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if newChild, ok := child.(tomo.Themeable); ok {
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newChild.SetTheme(window.theme)
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}
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if newChild, ok := child.(tomo.Configurable); ok {
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newChild.SetConfig(window.config)
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}
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if child != nil {
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if !window.childMinimumSizeChangeCallback(child.MinimumSize()) {
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window.resizeChildToFit()
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window.redrawChildEntirely()
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}
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}
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window.child = bind(nil, window, child)
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window.resizeChildToFit()
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}
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}
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func (window *window) Child () (child tomo.Element) {
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child = window.child
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return
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}
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func (window *window) SetTitle (title string) {
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window.title = title
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ewmh.WmNameSet (
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@ -317,43 +271,6 @@ func (window menuWindow) Pin () {
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// TODO iungrab keyboard and mouse
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}
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func (window *window) grabInput () {
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keybind.GrabKeyboard(window.backend.connection, window.xWindow.Id)
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mousebind.GrabPointer (
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window.backend.connection,
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window.xWindow.Id,
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window.backend.connection.RootWin(), 0)
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}
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func (window *window) ungrabInput () {
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keybind.UngrabKeyboard(window.backend.connection)
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mousebind.UngrabPointer(window.backend.connection)
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}
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func (window *window) inheritProperties (parent *window) {
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window.SetApplicationName(parent.application)
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}
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func (window *window) setType (ty string) error {
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return ewmh.WmWindowTypeSet (
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window.backend.connection,
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window.xWindow.Id,
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[]string { "_NET_WM_WINDOW_TYPE_" + ty })
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}
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func (window *window) setClientLeader (leader *window) error {
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hints, _ := icccm.WmHintsGet(window.backend.connection, window.xWindow.Id)
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if hints == nil {
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hints = &icccm.Hints { }
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}
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hints.Flags |= icccm.HintWindowGroup
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hints.WindowGroup = leader.xWindow.Id
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return icccm.WmHintsSet (
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window.backend.connection,
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window.xWindow.Id,
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hints)
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}
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func (window *window) Show () {
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if window.child == nil {
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window.xCanvas.For (func (x, y int) xgraphics.BGRA {
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@ -362,7 +279,7 @@ func (window *window) Show () {
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window.pushRegion(window.xCanvas.Bounds())
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}
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window.xWindow.Map()
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if window.shy { window.grabInput() }
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}
|
||||
@ -417,18 +334,41 @@ func (window *window) OnClose (callback func ()) {
|
||||
window.onClose = callback
|
||||
}
|
||||
|
||||
func (window *window) SetTheme (theme tomo.Theme) {
|
||||
window.theme = theme
|
||||
if child, ok := window.child.(tomo.Themeable); ok {
|
||||
child.SetTheme(theme)
|
||||
}
|
||||
func (window *window) grabInput () {
|
||||
keybind.GrabKeyboard(window.backend.connection, window.xWindow.Id)
|
||||
mousebind.GrabPointer (
|
||||
window.backend.connection,
|
||||
window.xWindow.Id,
|
||||
window.backend.connection.RootWin(), 0)
|
||||
}
|
||||
|
||||
func (window *window) SetConfig (config tomo.Config) {
|
||||
window.config = config
|
||||
if child, ok := window.child.(tomo.Configurable); ok {
|
||||
child.SetConfig(config)
|
||||
func (window *window) ungrabInput () {
|
||||
keybind.UngrabKeyboard(window.backend.connection)
|
||||
mousebind.UngrabPointer(window.backend.connection)
|
||||
}
|
||||
|
||||
func (window *window) inheritProperties (parent *window) {
|
||||
window.SetApplicationName(parent.application)
|
||||
}
|
||||
|
||||
func (window *window) setType (ty string) error {
|
||||
return ewmh.WmWindowTypeSet (
|
||||
window.backend.connection,
|
||||
window.xWindow.Id,
|
||||
[]string { "_NET_WM_WINDOW_TYPE_" + ty })
|
||||
}
|
||||
|
||||
func (window *window) setClientLeader (leader *window) error {
|
||||
hints, _ := icccm.WmHintsGet(window.backend.connection, window.xWindow.Id)
|
||||
if hints == nil {
|
||||
hints = &icccm.Hints { }
|
||||
}
|
||||
hints.Flags |= icccm.HintWindowGroup
|
||||
hints.WindowGroup = leader.xWindow.Id
|
||||
return icccm.WmHintsSet (
|
||||
window.backend.connection,
|
||||
window.xWindow.Id,
|
||||
hints)
|
||||
}
|
||||
|
||||
func (window *window) reallocateCanvas () {
|
||||
@ -464,26 +404,6 @@ func (window *window) reallocateCanvas () {
|
||||
|
||||
}
|
||||
|
||||
func (window *window) redrawChildEntirely () {
|
||||
window.paste(window.canvas.Bounds())
|
||||
window.pushRegion(window.canvas.Bounds())
|
||||
}
|
||||
|
||||
func (window *window) resizeChildToFit () {
|
||||
window.skipChildDrawCallback = true
|
||||
window.child.DrawTo (
|
||||
window.canvas,
|
||||
window.canvas.Bounds(),
|
||||
window.childDrawCallback)
|
||||
window.skipChildDrawCallback = false
|
||||
}
|
||||
|
||||
func (window *window) childDrawCallback (region image.Rectangle) {
|
||||
if window.skipChildDrawCallback { return }
|
||||
window.paste(region)
|
||||
window.pushRegion(region)
|
||||
}
|
||||
|
||||
func (window *window) paste (region image.Rectangle) {
|
||||
canvas := canvas.Cut(window.canvas, region)
|
||||
data, stride := canvas.Buffer()
|
||||
@ -492,7 +412,6 @@ func (window *window) paste (region image.Rectangle) {
|
||||
dstStride := window.xCanvas.Stride
|
||||
dstData := window.xCanvas.Pix
|
||||
|
||||
// debug.PrintStack()
|
||||
for y := bounds.Min.Y; y < bounds.Max.Y; y ++ {
|
||||
srcYComponent := y * stride
|
||||
dstYComponent := y * dstStride
|
||||
@ -507,6 +426,18 @@ func (window *window) paste (region image.Rectangle) {
|
||||
}
|
||||
}
|
||||
|
||||
func (window *window) pushRegion (region image.Rectangle) {
|
||||
if window.xCanvas == nil { panic("whoopsie!!!!!!!!!!!!!!") }
|
||||
image, ok := window.xCanvas.SubImage(region).(*xgraphics.Image)
|
||||
if ok {
|
||||
image.XDraw()
|
||||
image.XExpPaint (
|
||||
window.xWindow.Id,
|
||||
image.Bounds().Min.X,
|
||||
image.Bounds().Min.Y)
|
||||
}
|
||||
}
|
||||
|
||||
func (window *window) childMinimumSizeChangeCallback (width, height int) (resized bool) {
|
||||
icccm.WmNormalHintsSet (
|
||||
window.backend.connection,
|
||||
@ -528,15 +459,3 @@ func (window *window) childMinimumSizeChangeCallback (width, height int) (resize
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
func (window *window) pushRegion (region image.Rectangle) {
|
||||
if window.xCanvas == nil { panic("whoopsie!!!!!!!!!!!!!!") }
|
||||
image, ok := window.xCanvas.SubImage(region).(*xgraphics.Image)
|
||||
if ok {
|
||||
image.XDraw()
|
||||
image.XExpPaint (
|
||||
window.xWindow.Id,
|
||||
image.Bounds().Min.X,
|
||||
image.Bounds().Min.Y)
|
||||
}
|
||||
}
|
||||
|
||||
@ -67,6 +67,9 @@ func (backend *Backend) Run () (err error) {
|
||||
<- pingAfter
|
||||
case callback := <- backend.doChannel:
|
||||
callback()
|
||||
for _, window := range backend.windows {
|
||||
window.system.afterEvent()
|
||||
}
|
||||
case <- pingQuit:
|
||||
return
|
||||
}
|
||||
|
||||
@ -26,7 +26,7 @@ func NewArtist () *Artist {
|
||||
|
||||
func (element *Artist) Bind (entity tomo.Entity) {
|
||||
element.entity = entity
|
||||
entity.SetMinimumSize(240, 240)
|
||||
if entity != nil { entity.SetMinimumSize(240, 240) }
|
||||
}
|
||||
|
||||
func (element *Artist) Draw (destination canvas.Canvas) {
|
||||
|
||||
@ -15,9 +15,6 @@ type Window interface {
|
||||
// these at one time.
|
||||
Adopt (Element)
|
||||
|
||||
// Child returns the root element of the window.
|
||||
Child () Element
|
||||
|
||||
// SetTitle sets the title that appears on the window's title bar. This
|
||||
// method might have no effect with some backends.
|
||||
SetTitle (string)
|
||||
|
||||
Reference in New Issue
Block a user