tomo/objects
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Update code for layouts, objects

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This commit is contained in:
Sasha Koshka 2024-07-21 11:48:28 -04:00
parent 9077015db6
commit 6ca6771fc6
26 changed files with 447 additions and 389 deletions
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24
button.go
View File

@ -28,17 +28,16 @@ func NewButton (text string) *Button {
ContainerBox: tomo.NewContainerBox(),
label: NewLabel(text),
}
box.SetRole(tomo.R("objects", "Button", ""))
box.label.SetAlign(tomo.AlignMiddle, tomo.AlignMiddle)
box.SetRole(tomo.R("objects", "Button"))
box.label.SetAttr(tomo.AAlign(tomo.AlignMiddle, tomo.AlignMiddle))
box.SetLayout(buttonLayout)
box.SetText(text)
box.CaptureDND(true)
box.CaptureMouse(true)
box.CaptureScroll(true)
box.CaptureKeyboard(true)
box.CatchDND(true)
box.CatchMouse(true)
box.OnMouseUp(box.handleMouseUp)
box.OnButtonDown(box.handleButtonDown)
box.OnButtonUp(box.handleButtonUp)
box.OnKeyUp(box.handleKeyUp)
box.SetFocusable(true)
return box
@ -89,14 +88,19 @@ func (this *Button) applyLayout () {
}
}
func (this *Button) handleKeyUp (key input.Key, numberPad bool) {
func (this *Button) handleKeyUp (catch func (), key input.Key, numberPad bool) {
if key != input.KeyEnter && key != input.Key(' ') { return }
this.on.click.Broadcast()
}
func (this *Button) handleMouseUp (button input.Button) {
func (this *Button) handleButtonDown (catch func (), button input.Button) {
catch()
}
func (this *Button) handleButtonUp (catch func (), button input.Button) {
catch()
if button != input.ButtonLeft { return }
if this.MousePosition().In(this.Bounds()) {
if this.Window().MousePosition().In(this.Bounds()) {
this.on.click.Broadcast()
}
}

20
calendar.go
View File

@ -26,7 +26,7 @@ func NewCalendar (tm time.Time) *Calendar {
ContainerBox: tomo.NewContainerBox(),
time: tm,
}
calendar.SetRole(tomo.R("objects", "Calendar", ""))
calendar.SetRole(tomo.R("objects", "Calendar"))
calendar.SetLayout(layouts.ContractVertical)
prevButton := NewButton("")
@ -42,10 +42,10 @@ func NewCalendar (tm time.Time) *Calendar {
calendar.on.valueChange.Broadcast()
})
calendar.monthLabel = NewLabel("")
calendar.monthLabel.SetAlign(tomo.AlignMiddle, tomo.AlignMiddle)
calendar.monthLabel.SetAttr(tomo.AAlign(tomo.AlignMiddle, tomo.AlignMiddle))
calendar.grid = tomo.NewContainerBox()
calendar.grid.SetRole(tomo.R("objects", "CalendarGrid", ""))
calendar.grid.SetRole(tomo.R("objects", "CalendarGrid"))
calendar.grid.SetLayout(layouts.NewGrid (
true, true, true, true, true, true, true)())
calendar.Add(NewInnerContainer (
@ -54,7 +54,6 @@ func NewCalendar (tm time.Time) *Calendar {
calendar.Add(calendar.grid)
calendar.OnScroll(calendar.handleScroll)
calendar.CaptureScroll(true)
calendar.refresh()
return calendar
@ -98,9 +97,9 @@ func (this *Calendar) refresh () {
this.grid.Clear()
for _, day := range weekdayAbbreviations {
dayLabel := tomo.NewTextBox()
dayLabel.SetRole(tomo.R("objects", "CalendarWeekdayHeader", ""))
dayLabel.SetRole(tomo.R("objects", "CalendarWeekdayHeader"))
dayLabel.SetText(day)
dayLabel.SetAlign(tomo.AlignMiddle, tomo.AlignMiddle)
dayLabel.SetAttr(tomo.AAlign(tomo.AlignMiddle, tomo.AlignMiddle))
this.grid.Add(dayLabel)
}
@ -116,9 +115,11 @@ func (this *Calendar) refresh () {
day := tomo.NewTextBox()
day.SetText(fmt.Sprint(dayIter))
if weekday == 1 || weekday == 0 {
day.SetRole(tomo.R("objects", "CalendarDay", "weekend"))
day.SetRole(tomo.R("objects", "CalendarDay"))
day.SetTag("weekend", true)
} else {
day.SetRole(tomo.R("objects", "CalendarDay", "weekday"))
day.SetRole(tomo.R("objects", "CalendarDay"))
day.SetTag("weekday", true)
}
this.grid.Add(day)
} else {
@ -127,7 +128,8 @@ func (this *Calendar) refresh () {
}
}
func (this *Calendar) handleScroll (x, y float64) {
func (this *Calendar) handleScroll (catch func (), x, y float64) {
catch()
if y < 0 {
this.prevMonth()
} else {

24
checkbox.go
View File

@ -18,10 +18,11 @@ func NewCheckbox (value bool) *Checkbox {
box := &Checkbox {
Box: tomo.NewBox(),
}
box.SetRole(tomo.R("objects", "Checkbox", ""))
box.SetRole(tomo.R("objects", "Checkbox"))
box.SetValue(value)
box.OnMouseUp(box.handleMouseUp)
box.OnButtonDown(box.handleButtonDown)
box.OnButtonUp(box.handleButtonUp)
box.OnKeyUp(box.handleKeyUp)
box.SetFocusable(true)
return box
@ -35,11 +36,9 @@ func (this *Checkbox) Value () bool {
// SetValue sets the value of the checkbox.
func (this *Checkbox) SetValue (value bool) {
this.value = value
if this.value {
this.SetTextureCenter(tomo.IconCheckboxChecked.Texture(tomo.IconSizeSmall))
} else {
this.SetTextureCenter(tomo.IconCheckboxUnchecked.Texture(tomo.IconSizeSmall))
}
// the theme shall decide what checked and unchecked states look like
this.SetTag("checked", value)
this.SetTag("unchecked", !value)
}
// Toggle toggles the value of the checkbox between true and false.
@ -53,14 +52,19 @@ func (this *Checkbox) OnValueChange (callback func ()) event.Cookie {
return this.on.valueChange.Connect(callback)
}
func (this *Checkbox) handleKeyUp (key input.Key, numberPad bool) {
func (this *Checkbox) handleKeyUp (catch func (), key input.Key, numberPad bool) {
if key != input.KeyEnter && key != input.Key(' ') { return }
this.Toggle()
}
func (this *Checkbox) handleMouseUp (button input.Button) {
func (this *Checkbox) handleButtonDown (catch func (), button input.Button) {
catch()
}
func (this *Checkbox) handleButtonUp (catch func (), button input.Button) {
catch()
if button != input.ButtonLeft { return }
if this.MousePosition().In(this.Bounds()) {
if this.Window().MousePosition().In(this.Bounds()) {
this.Toggle()
}
}

14
colorpicker.go
View File

@ -28,7 +28,7 @@ func NewColorPicker (value color.Color) *ColorPicker {
picker := &ColorPicker {
ContainerBox: tomo.NewContainerBox(),
}
picker.SetRole(tomo.R("objects", "ColorPicker", ""))
picker.SetRole(tomo.R("objects", "ColorPicker"))
picker.SetLayout(layouts.Row { true, false, false })
picker.pickerMap = newColorPickerMap(picker)
picker.Add(picker.pickerMap)
@ -90,20 +90,20 @@ func newColorPickerMap (parent *ColorPicker) *colorPickerMap {
parent: parent,
}
picker.SetDrawer(picker)
picker.SetRole(tomo.R("objects", "ColorPickerMap", ""))
picker.OnMouseUp(picker.handleMouseUp)
picker.OnMouseDown(picker.handleMouseDown)
picker.SetRole(tomo.R("objects", "ColorPickerMap"))
picker.OnButtonUp(picker.handleButtonUp)
picker.OnButtonDown(picker.handleButtonDown)
picker.OnMouseMove(picker.handleMouseMove)
return picker
}
func (this *colorPickerMap) handleMouseDown (button input.Button) {
func (this *colorPickerMap) handleButtonDown (catch func (), button input.Button) {
if button != input.ButtonLeft { return }
this.dragging = true
this.drag()
}
func (this *colorPickerMap) handleMouseUp (button input.Button) {
func (this *colorPickerMap) handleButtonUp (catch func (), button input.Button) {
if button != input.ButtonLeft || !this.dragging { return }
this.dragging = false
}
@ -114,7 +114,7 @@ func (this *colorPickerMap) handleMouseMove () {
}
func (this *colorPickerMap) drag () {
pointer := this.MousePosition()
pointer := this.Window().MousePosition()
bounds := this.InnerBounds()
this.parent.value.S = float64(pointer.X - bounds.Min.X) / float64(bounds.Dx())
this.parent.value.V = 1 - float64(pointer.Y - bounds.Min.Y) / float64(bounds.Dy())

9
container.go
View File

@ -27,7 +27,8 @@ func newContainer (layout tomo.Layout, children ...tomo.Object) *Container {
// window, tab pane, etc.
func NewOuterContainer (layout tomo.Layout, children ...tomo.Object) *Container {
this := newContainer(layout, children...)
this.SetRole(tomo.R("objects", "Container", "outer"))
this.SetRole(tomo.R("objects", "Container"))
this.SetTag("outer", true)
return this
}
@ -35,14 +36,16 @@ func NewOuterContainer (layout tomo.Layout, children ...tomo.Object) *Container
// around it. It is meant to be used as a root container for a ScrollContainer.
func NewSunkenContainer (layout tomo.Layout, children ...tomo.Object) *Container {
this := newContainer(layout, children...)
this.SetRole(tomo.R("objects", "Container", "sunken"))
this.SetRole(tomo.R("objects", "Container"))
this.SetTag("sunken", true)
return this
}
// NewInnerContainer creates a new container that has no padding around it.
func NewInnerContainer (layout tomo.Layout, children ...tomo.Object) *Container {
this := newContainer(layout, children...)
this.SetRole(tomo.R("objects", "Container", "inner"))
this.SetRole(tomo.R("objects", "Container"))
this.SetTag("inner", true)
return this
}

4
dialog.go
View File

@ -55,7 +55,7 @@ func NewDialog (kind DialogKind, parent tomo.Window, title, message string, opti
dialog.SetTitle(title)
icon := NewIcon(iconId, tomo.IconSizeLarge)
messageText := NewLabel(message)
messageText.SetAlign(tomo.AlignStart, tomo.AlignMiddle)
messageText.SetAttr(tomo.AAlign(tomo.AlignStart, tomo.AlignMiddle))
for _, option := range options {
if option, ok := option.(clickable); ok {
@ -63,7 +63,7 @@ func NewDialog (kind DialogKind, parent tomo.Window, title, message string, opti
}
}
dialog.controlRow = NewInnerContainer(layouts.ContractHorizontal, options...)
dialog.controlRow.SetAlign(tomo.AlignEnd, tomo.AlignEnd)
messageText.SetAttr(tomo.AAlign(tomo.AlignEnd, tomo.AlignEnd))
dialog.SetRoot(NewOuterContainer (
layouts.Column { true, false },

3
heading.go
View File

@ -15,7 +15,8 @@ func NewHeading (level int, text string) *Heading {
if level < 0 { level = 0 }
if level > 2 { level = 2 }
this := &Heading { TextBox: tomo.NewTextBox() }
this.SetRole(tomo.R("objects", "Heading", fmt.Sprint(level)))
this.SetRole(tomo.R("objects", "Heading"))
this.SetTag(fmt.Sprint(level), true)
this.SetText(text)
return this
}

29
icon.go
View File

@ -1,6 +1,5 @@
package objects
import "image"
import "git.tebibyte.media/tomo/tomo"
import "git.tebibyte.media/tomo/tomo/data"
import "git.tebibyte.media/tomo/tomo/canvas"
@ -10,13 +9,22 @@ type Icon struct {
tomo.Box
}
func iconSizeString (size tomo.IconSize) string {
switch size {
case tomo.IconSizeLarge: return "large"
case tomo.IconSizeMedium: return "medium"
default: return "small"
}
}
// NewIcon creates a new icon from an icon ID.
func NewIcon (id tomo.Icon, size tomo.IconSize) *Icon {
this := &Icon {
Box: tomo.NewBox(),
}
this.SetRole(tomo.R("objects", "Icon", size.String()))
this.SetTexture(id.Texture(size))
this.SetRole(tomo.R("objects", "Icon"))
this.SetTag(iconSizeString(size), true)
this.setTexture(id.Texture(size))
return this
}
@ -25,17 +33,20 @@ func NewMimeIcon (mime data.Mime, size tomo.IconSize) *Icon {
this := &Icon {
Box: tomo.NewBox(),
}
this.SetRole(tomo.R("objects", "Icon", size.String()))
this.SetTexture(tomo.MimeIcon(mime, size))
this.SetRole(tomo.R("objects", "Icon"))
this.SetTag(iconSizeString(size), true)
this.setTexture(tomo.MimeIcon(mime, size))
return this
}
func (this *Icon) SetTexture (texture canvas.Texture) {
this.Box.SetTextureCenter(texture)
func (this *Icon) setTexture (texture canvas.Texture) {
this.SetAttr(tomo.ATexture(texture))
this.SetAttr(tomo.ATextureMode(tomo.TextureModeCenter))
if texture == nil {
this.SetMinimumSize(image.Pt(0, 0))
this.SetAttr(tomo.AMinimumSize(0, 0))
} else {
bounds := texture.Bounds()
this.SetMinimumSize(bounds.Max.Sub(bounds.Min))
this.SetAttr(tomo.AttrMinimumSize(bounds.Max.Sub(bounds.Min)))
}
}

4
label.go
View File

@ -10,8 +10,8 @@ type Label struct {
// NewLabel creates a new text label.
func NewLabel (text string) *Label {
this := &Label { TextBox: tomo.NewTextBox() }
this.SetRole(tomo.R("objects", "Label", ""))
this.SetRole(tomo.R("objects", "Label"))
this.SetText(text)
this.SetAlign(tomo.AlignStart, tomo.AlignMiddle)
this.SetAttr(tomo.AAlign(tomo.AlignStart, tomo.AlignMiddle))
return this
}

17
labelcheckbox.go
View File

@ -20,14 +20,14 @@ func NewLabelCheckbox (value bool, text string) *LabelCheckbox {
checkbox: NewCheckbox(value),
label: NewLabel(text),
}
box.SetRole(tomo.R("objects", "LabelCheckbox", ""))
box.label.SetAlign(tomo.AlignStart, tomo.AlignMiddle)
box.SetRole(tomo.R("objects", "LabelCheckbox"))
box.label.SetAttr(tomo.AAlign(tomo.AlignStart, tomo.AlignMiddle))
box.Add(box.checkbox)
box.Add(box.label)
box.SetLayout(layouts.Row { false, true })
box.OnMouseUp(box.handleMouseUp)
box.label.OnMouseUp(box.handleMouseUp)
box.OnButtonDown(box.handleButtonDown)
box.OnButtonUp(box.handleButtonUp)
return box
}
@ -52,9 +52,14 @@ func (this *LabelCheckbox) OnValueChange (callback func ()) event.Cookie {
return this.checkbox.OnValueChange(callback)
}
func (this *LabelCheckbox) handleMouseUp (button input.Button) {
func (this *LabelCheckbox) handleButtonDown (capture func (), button input.Button) {
capture()
}
func (this *LabelCheckbox) handleButtonUp (capture func (), button input.Button) {
capture()
if button != input.ButtonLeft { return }
if this.MousePosition().In(this.Bounds()) {
if this.Window().MousePosition().In(this.Bounds()) {
this.checkbox.SetFocused(true)
this.checkbox.Toggle()
}

17
labelswatch.go
View File

@ -21,15 +21,15 @@ func NewLabelSwatch (value color.Color, text string) *LabelSwatch {
swatch: NewSwatch(value),
label: NewLabel(text),
}
box.SetRole(tomo.R("objects", "LabelSwatch", ""))
box.SetRole(tomo.R("objects", "LabelSwatch"))
box.swatch.label = text
box.label.SetAlign(tomo.AlignStart, tomo.AlignMiddle)
box.label.SetAttr(tomo.AAlign(tomo.AlignStart, tomo.AlignMiddle))
box.Add(box.swatch)
box.Add(box.label)
box.SetLayout(layouts.Row { false, true })
box.OnMouseUp(box.handleMouseUp)
box.label.OnMouseUp(box.handleMouseUp)
box.OnButtonDown(box.handleButtonDown)
box.OnButtonUp(box.handleButtonUp)
return box
}
@ -60,9 +60,14 @@ func (this *LabelSwatch) OnConfirm (callback func ()) event.Cookie {
return this.swatch.OnConfirm(callback)
}
func (this *LabelSwatch) handleMouseUp (button input.Button) {
func (this *LabelSwatch) handleButtonDown (catch func (), button input.Button) {
catch()
}
func (this *LabelSwatch) handleButtonUp (catch func (), button input.Button) {
catch()
if button != input.ButtonLeft { return }
if this.MousePosition().In(this.Bounds()) {
if this.Window().MousePosition().In(this.Bounds()) {
this.swatch.SetFocused(true)
this.swatch.Choose()
}

8
layouts/contract.go
View File

@ -15,19 +15,19 @@ const ContractVertical Contract = true
// ContractHorizontal is a horizontal contracted layout.
const ContractHorizontal Contract = false
func (contract Contract) MinimumSize (hints tomo.LayoutHints, boxes []tomo.Box) image.Point {
func (contract Contract) MinimumSize (hints tomo.LayoutHints, boxes tomo.BoxQuerier) image.Point {
return contract.fallback().MinimumSize(hints, boxes)
}
func (contract Contract) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
func (contract Contract) Arrange (hints tomo.LayoutHints, boxes tomo.BoxArranger) {
contract.fallback().Arrange(hints, boxes)
}
func (contract Contract) RecommendedHeight (hints tomo.LayoutHints, boxes []tomo.Box, width int) int {
func (contract Contract) RecommendedHeight (hints tomo.LayoutHints, boxes tomo.BoxQuerier, width int) int {
return contract.fallback().RecommendedHeight(hints, boxes, width)
}
func (contract Contract) RecommendedWidth (hints tomo.LayoutHints, boxes []tomo.Box, height int) int {
func (contract Contract) RecommendedWidth (hints tomo.LayoutHints, boxes tomo.BoxQuerier, height int) int {
return contract.fallback().RecommendedWidth(hints, boxes, height)
}

25
layouts/flow.go
View File

@ -17,21 +17,21 @@ const FlowVertical Flow = true
// FlowHorizontal is a horizontal flow layout.
const FlowHorizontal Flow = false
func (flow Flow) MinimumSize (hints tomo.LayoutHints, boxes []tomo.Box) image.Point {
func (flow Flow) MinimumSize (hints tomo.LayoutHints, boxes tomo.BoxQuerier) image.Point {
// TODO: write down somewhere that layout minimums aren't taken into
// account when the respective direction is overflowed
return flow.fallback().MinimumSize(hints, boxes)
}
func (flow Flow) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
func (flow Flow) Arrange (hints tomo.LayoutHints, boxes tomo.BoxArranger) {
if flow.v() && !hints.OverflowY || flow.h() && !hints.OverflowX {
flow.fallback().Arrange(hints, boxes)
}
// find a minor size value that will fit all boxes
minorSize := 0
for _, box := range boxes {
boxSize := flow.minor(box.MinimumSize())
for index := 0; index < boxes.Len(); index ++ {
boxSize := flow.minor(boxes.MinimumSize(index))
if boxSize > minorSize { minorSize = boxSize }
}
if minorSize == 0 { return }
@ -43,17 +43,16 @@ func (flow Flow) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
// arrange
point := hints.Bounds.Min
index := 0
for index < len(boxes) {
for index < boxes.Len() {
// get a slice of boxes for this major step
stepIndexEnd := index + minorSteps
if stepIndexEnd > len(boxes) { stepIndexEnd = len(boxes) }
step := boxes[index:stepIndexEnd]
if stepIndexEnd > boxes.Len() { stepIndexEnd = boxes.Len() }
index += minorSteps
// find a major size that will fit all boxes on this major step
majorSize := 0
for _, box := range step {
boxSize := flow.major(box.MinimumSize())
for index := index; index < stepIndexEnd; index ++ {
boxSize := flow.major(boxes.MinimumSize(index))
if boxSize > majorSize { majorSize = boxSize }
}
if majorSize == 0 { continue }
@ -62,9 +61,9 @@ func (flow Flow) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
var size image.Point
size = flow.incrMajor(size, majorSize)
size = flow.incrMinor(size, minorSize)
for _, box := range step {
for index := index; index < stepIndexEnd; index ++ {
bounds := image.Rectangle { Min: point, Max: point.Add(size) }
box.SetBounds(bounds)
boxes.SetBounds(index, bounds)
point = flow.incrMinor(point, minorSize + flow.minor(hints.Gap))
}
@ -125,12 +124,12 @@ func (flow Flow) fallback () tomo.Layout {
return Contract(flow)
}
func (flow Flow) RecommendedHeight (hints tomo.LayoutHints, boxes []tomo.Box, width int) int {
func (flow Flow) RecommendedHeight (hints tomo.LayoutHints, boxes tomo.BoxQuerier, width int) int {
// TODO
return 0
}
func (flow Flow) RecommendedWidth (hints tomo.LayoutHints, boxes []tomo.Box, height int) int {
func (flow Flow) RecommendedWidth (hints tomo.LayoutHints, boxes tomo.BoxQuerier, height int) int {
// TODO
return 0
}

22
layouts/grid.go
View File

@ -32,7 +32,7 @@ func NewGrid (columns ...bool) func (rows ...bool) *Grid {
}
}
func (this *Grid) MinimumSize (hints tomo.LayoutHints, boxes []tomo.Box) image.Point {
func (this *Grid) MinimumSize (hints tomo.LayoutHints, boxes tomo.BoxQuerier) image.Point {
cols, rows := this.minimums(boxes)
size := image.Pt (
(len(cols) - 1) * hints.Gap.X,
@ -42,7 +42,7 @@ func (this *Grid) MinimumSize (hints tomo.LayoutHints, boxes []tomo.Box) image.P
return size
}
func (this *Grid) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
func (this *Grid) Arrange (hints tomo.LayoutHints, boxes tomo.BoxArranger) {
xExpand := func (index int) bool {
return this.xExpand[index]
}
@ -56,9 +56,9 @@ func (this *Grid) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
expand(hints, rows, hints.Bounds.Dy(), yExpand)
position := hints.Bounds.Min
for index, box := range boxes {
for index := 0; index < boxes.Len(); index ++ {
col, row := index % len(cols), index / len(cols)
box.SetBounds(image.Rectangle {
boxes.SetBounds(index, image.Rectangle {
Min: position,
Max: position.Add(image.Pt(cols[col], rows[row])),
})
@ -71,13 +71,13 @@ func (this *Grid) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
}
}
func (this *Grid) minimums (boxes []tomo.Box) ([]int, []int) {
func (this *Grid) minimums (boxes tomo.BoxQuerier) ([]int, []int) {
nCols, nRows := this.dimensions(boxes)
cols, rows := make([]int, nCols), make([]int, nRows)
for index, box := range boxes {
for index := 0; index < boxes.Len(); index ++ {
col, row := index % len(cols), index / len(cols)
minimum := box.MinimumSize()
minimum := boxes.MinimumSize(index)
if cols[col] < minimum.X {
cols[col] = minimum.X
}
@ -89,8 +89,8 @@ func (this *Grid) minimums (boxes []tomo.Box) ([]int, []int) {
return cols, rows
}
func (this *Grid) dimensions (boxes []tomo.Box) (int, int) {
return len(this.xExpand), ceilDiv(len(boxes), len(this.xExpand))
func (this *Grid) dimensions (boxes tomo.BoxQuerier) (int, int) {
return len(this.xExpand), ceilDiv(boxes.Len(), len(this.xExpand))
}
func expand (hints tomo.LayoutHints, sizes []int, space int, expands func (int) bool) {
@ -116,10 +116,10 @@ func ceilDiv (x, y int) int {
return int(math.Ceil(float64(x) / float64(y)))
}
func (this *Grid) RecommendedHeight (hints tomo.LayoutHints, boxes []tomo.Box, width int) int {
func (this *Grid) RecommendedHeight (hints tomo.LayoutHints, boxes tomo.BoxQuerier, width int) int {
return this.MinimumSize(hints, boxes).Y
}
func (this *Grid) RecommendedWidth (hints tomo.LayoutHints, boxes []tomo.Box, height int) int {
func (this *Grid) RecommendedWidth (hints tomo.LayoutHints, boxes tomo.BoxQuerier, height int) int {
return this.MinimumSize(hints, boxes).X
}

136
layouts/rowcol.go
View File

@ -13,33 +13,33 @@ type Row []bool
// value will expand, and others will contract.
type Column []bool
func (column Column) MinimumSize (hints tomo.LayoutHints, boxes []tomo.Box) image.Point {
func (column Column) MinimumSize (hints tomo.LayoutHints, boxes tomo.BoxQuerier) image.Point {
dot := image.Point { }
for _, box := range boxes {
minimum := box.MinimumSize()
for index := 0; index < boxes.Len(); index ++ {
minimum := boxes.MinimumSize(index)
dot.Y += minimum.Y
if dot.X < minimum.X {
dot.X = minimum.X
}
}
dot.Y += hints.Gap.Y * (len(boxes) - 1)
dot.Y += hints.Gap.Y * (boxes.Len() - 1)
return dot
}
func (row Row) MinimumSize (hints tomo.LayoutHints, boxes []tomo.Box) image.Point {
func (row Row) MinimumSize (hints tomo.LayoutHints, boxes tomo.BoxQuerier) image.Point {
dot := image.Point { }
for _, box := range boxes {
minimum := box.MinimumSize()
for index := 0; index < boxes.Len(); index ++ {
minimum := boxes.MinimumSize(index)
dot.X += minimum.X
if dot.Y < minimum.Y {
dot.Y = minimum.Y
}
}
dot.X += hints.Gap.X * (len(boxes) - 1)
dot.X += hints.Gap.X * (boxes.Len() - 1)
return dot
}
func (column Column) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
func (column Column) Arrange (hints tomo.LayoutHints, boxes tomo.BoxArranger) {
expands := func (index int) bool {
if index >= len(column) { return false }
return column[index]
@ -48,13 +48,14 @@ func (column Column) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
// determine expanding box size
expandingSize := 0.0
if !hints.OverflowY {
gaps := len(boxes) - 1
gaps := boxes.Len() - 1
freeSpace := float64(hints.Bounds.Dy() - hints.Gap.Y * gaps)
nExpanding := 0; for index, box := range boxes {
nExpanding := 0;
for index := 0; index < boxes.Len(); index ++ {
if expands(index) {
nExpanding ++
} else {
freeSpace -= float64(box.MinimumSize().Y)
freeSpace -= float64(boxes.MinimumSize(index).Y)
}
}
expandingSize = freeSpace / float64(nExpanding)
@ -63,8 +64,8 @@ func (column Column) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
// determine width
width := 0
if hints.OverflowX {
for _, box := range boxes {
minimum := box.MinimumSize()
for index := 0; index < boxes.Len(); index ++ {
minimum := boxes.MinimumSize(index)
if width < minimum.X { width = minimum.X }
}
} else {
@ -73,44 +74,43 @@ func (column Column) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
// arrange
dot := hints.Bounds.Min
for index, box := range boxes {
bounds := make([]image.Rectangle, boxes.Len())
for index := 0; index < boxes.Len(); index ++ {
if index > 0 { dot.Y += hints.Gap.Y }
// determine height
height := box.MinimumSize().Y
height := boxes.MinimumSize(index).Y
if hints.OverflowY {
if box, ok := box.(tomo.ContentBox); ok {
height = box.RecommendedHeight(width)
}
height = boxes.RecommendedHeight(index, width)
} else {
if expands(index) {
height = int(expandingSize)
}
}
// set bounds
box.SetBounds(image.Rectangle {
// store bounds of this box
bounds[index] = image.Rectangle {
Min: dot,
Max: dot.Add(image.Pt(width, height)),
})
}
dot.Y += height
}
// align
height := dot.Y - hints.Bounds.Min.Y
offset := 0
switch hints.AlignY {
case tomo.AlignMiddle:
offset = (hints.Bounds.Dy() - height) / 2
case tomo.AlignEnd:
offset = hints.Bounds.Dy() - height
}
for _, box := range boxes {
box.SetBounds(box.Bounds().Add(image.Pt(0, offset)))
for index := 0; index < boxes.Len(); index ++ {
boxes.SetBounds(index, bounds[index].Add(image.Pt(0, offset)))
}
}
func (row Row) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
func (row Row) Arrange (hints tomo.LayoutHints, boxes tomo.BoxArranger) {
expands := func (index int) bool {
if index >= len(row) { return false }
return row[index]
@ -119,13 +119,14 @@ func (row Row) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
// determine expanding box size
expandingSize := 0.0
if !hints.OverflowY {
gaps := len(boxes) - 1
gaps := boxes.Len() - 1
freeSpace := float64(hints.Bounds.Dx() - hints.Gap.X * gaps)
nExpanding := 0; for index, box := range boxes {
nExpanding := 0;
for index := 0; index < boxes.Len(); index ++ {
if expands(index) {
nExpanding ++
} else {
freeSpace -= float64(box.MinimumSize().X)
freeSpace -= float64(boxes.MinimumSize(index).X)
}
}
expandingSize = freeSpace / float64(nExpanding)
@ -134,8 +135,8 @@ func (row Row) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
// determine height
height := 0
if hints.OverflowY {
for _, box := range boxes {
minimum := box.MinimumSize()
for index := 0; index < boxes.Len(); index ++ {
minimum := boxes.MinimumSize(index)
if height < minimum.Y { height = minimum.Y }
}
} else {
@ -144,95 +145,76 @@ func (row Row) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
// arrange
dot := hints.Bounds.Min
for index, box := range boxes {
bounds := make([]image.Rectangle, boxes.Len())
for index := 0; index < boxes.Len(); index ++ {
if index > 0 { dot.X += hints.Gap.X }
// determine width
width := box.MinimumSize().X
width := boxes.MinimumSize(index).X
if hints.OverflowY {
if box, ok := box.(tomo.ContentBox); ok {
width = box.RecommendedHeight(height)
}
width = boxes.RecommendedHeight(index, height)
} else {
if expands(index) {
width = int(expandingSize)
}
}
// set bounds
box.SetBounds(image.Rectangle {
// store bounds
bounds[index] = image.Rectangle {
Min: dot,
Max: dot.Add(image.Pt(width, height)),
})
}
dot.X += width
}
// align
width := dot.X - hints.Bounds.Min.X
offset := 0
switch hints.AlignX {
case tomo.AlignMiddle:
offset = (hints.Bounds.Dx() - width) / 2
case tomo.AlignEnd:
offset = hints.Bounds.Dx() - width
}
for _, box := range boxes {
box.SetBounds(box.Bounds().Add(image.Pt(offset, 0)))
for index := 0; index < boxes.Len(); index ++ {
boxes.SetBounds(index, bounds[index].Add(image.Pt(offset, 0)))
}
}
func (column Column) RecommendedHeight (hints tomo.LayoutHints, boxes []tomo.Box, width int) int {
func (column Column) RecommendedHeight (hints tomo.LayoutHints, boxes tomo.BoxQuerier, width int) int {
height := 0
for _, box := range boxes {
if box, ok := box.(tomo.ContentBox); ok {
height += box.RecommendedHeight(width)
} else {
height += box.MinimumSize().Y
}
for index := 0; index < boxes.Len(); index ++ {
height += boxes.RecommendedHeight(index, width)
}
height += hints.Gap.Y * (len(boxes) - 1)
height += hints.Gap.Y * (boxes.Len() - 1)
return height
}
func (row Row) RecommendedHeight (hints tomo.LayoutHints, boxes []tomo.Box, width int) int {
func (row Row) RecommendedHeight (hints tomo.LayoutHints, boxes tomo.BoxQuerier, width int) int {
height := 0
for _, box := range boxes {
minimum := box.MinimumSize()
boxHeight := 0
if box, ok := box.(tomo.ContentBox); ok {
boxHeight = box.RecommendedHeight(minimum.X)
} else {
boxHeight = minimum.Y
}
for index := 0; index < boxes.Len(); index ++ {
minimum := boxes.MinimumSize(index)
boxHeight := boxes.RecommendedHeight(index, minimum.X)
if boxHeight > height { height = boxHeight }
}
return height
}
func (column Column) RecommendedWidth (hints tomo.LayoutHints, boxes []tomo.Box, height int) int {
func (column Column) RecommendedWidth (hints tomo.LayoutHints, boxes tomo.BoxQuerier, height int) int {
width := 0
for _, box := range boxes {
minimum := box.MinimumSize()
boxWidth := 0
if box, ok := box.(tomo.ContentBox); ok {
boxWidth = box.RecommendedHeight(minimum.Y)
} else {
boxWidth = minimum.X
}
for index := 0; index < boxes.Len(); index ++ {
minimum := boxes.MinimumSize(index)
boxWidth := boxes.RecommendedWidth(index, minimum.Y)
if boxWidth > width { width = boxWidth }
}
return width
}
func (row Row) RecommendedWidth (hints tomo.LayoutHints, boxes []tomo.Box, height int) int {
func (row Row) RecommendedWidth (hints tomo.LayoutHints, boxes tomo.BoxQuerier, height int) int {
width := 0
for _, box := range boxes {
if box, ok := box.(tomo.ContentBox); ok {
width += box.RecommendedWidth(height)
} else {
width += box.MinimumSize().X
}
for index := 0; index < boxes.Len(); index ++ {
width += boxes.RecommendedWidth(index, height)
}
width += hints.Gap.X * (len(boxes) - 1)
width += hints.Gap.X * (boxes.Len() - 1)
return width
}

11
menu.go
View File

@ -40,15 +40,15 @@ func NewMenu (anchor tomo.Object, items ...tomo.Object) (*Menu, error) {
if !menu.torn {
menu.tearLine = tomo.NewBox()
menu.tearLine.SetRole(tomo.R("objects", "TearLine", ""))
menu.tearLine.SetRole(tomo.R("objects", "TearLine"))
menu.tearLine.SetFocusable(true)
menu.tearLine.OnKeyUp(func (key input.Key, numberPad bool) {
menu.tearLine.OnKeyUp(func (catch func (), key input.Key, numberPad bool) {
if key != input.KeyEnter && key != input.Key(' ') { return }
menu.TearOff()
})
menu.tearLine.OnMouseUp(func (button input.Button) {
menu.tearLine.OnButtonUp(func (catch func (), button input.Button) {
if button != input.ButtonLeft { return }
if menu.tearLine.MousePosition().In(menu.tearLine.Bounds()) {
if menu.tearLine.Window().MousePosition().In(menu.tearLine.Bounds()) {
menu.TearOff()
}
})
@ -65,7 +65,8 @@ func NewMenu (anchor tomo.Object, items ...tomo.Object) (*Menu, error) {
})
}
}
menu.rootContainer.SetRole(tomo.R("objects", "Container", "menu"))
menu.rootContainer.SetRole(tomo.R("objects", "Container"))
menu.rootContainer.SetTag("menu", true)
menu.Window.SetRoot(menu.rootContainer)
return menu, nil

24
menuitem.go
View File

@ -25,19 +25,18 @@ func NewMenuItem (text string) *MenuItem {
label: NewLabel(text),
icon: NewIcon("", tomo.IconSizeSmall),
}
box.SetRole(tomo.R("objects", "MenuItem", ""))
box.label.SetAlign(tomo.AlignStart, tomo.AlignMiddle)
box.SetRole(tomo.R("objects", "MenuItem"))
box.label.SetAttr(tomo.AAlign(tomo.AlignStart, tomo.AlignMiddle))
box.SetLayout(layouts.Row { false, true })
box.Add(box.icon)
box.Add(box.label)
box.CaptureDND(true)
box.CaptureMouse(true)
box.CaptureScroll(true)
box.CaptureKeyboard(true)
box.CatchDND(true)
box.CatchMouse(true)
box.OnMouseUp(box.handleMouseUp)
box.OnButtonDown(box.handleButtonDown)
box.OnButtonUp(box.handleButtonUp)
box.OnKeyUp(box.handleKeyUp)
box.SetFocusable(true)
return box
@ -60,14 +59,19 @@ func (this *MenuItem) OnClick (callback func ()) event.Cookie {
return this.on.click.Connect(callback)
}
func (this *MenuItem) handleKeyUp (key input.Key, numberPad bool) {
func (this *MenuItem) handleKeyUp (catch func(), key input.Key, numberPad bool) {
if key != input.KeyEnter && key != input.Key(' ') { return }
this.on.click.Broadcast()
}
func (this *MenuItem) handleMouseUp (button input.Button) {
func (this *MenuItem) handleButtonDown (catch func(), button input.Button) {
catch()
}
func (this *MenuItem) handleButtonUp (catch func(), button input.Button) {
catch()
if button != input.ButtonLeft { return }
if this.MousePosition().In(this.Bounds()) {
if this.Window().MousePosition().In(this.Bounds()) {
this.on.click.Broadcast()
}
}

29
numberinput.go
View File

@ -28,7 +28,7 @@ func NewNumberInput (value float64) *NumberInput {
increment: NewButton(""),
decrement: NewButton(""),
}
box.SetRole(tomo.R("objects", "NumberInput", ""))
box.SetRole(tomo.R("objects", "NumberInput"))
box.Add(box.input)
box.Add(box.decrement)
box.Add(box.increment)
@ -38,10 +38,8 @@ func NewNumberInput (value float64) *NumberInput {
box.SetValue(value)
box.CaptureScroll(true)
box.CaptureKeyboard(true)
box.OnScroll(box.handleScroll)
box.OnKeyUp(box.handleKeyUp)
box.OnKeyDown(box.handleKeyDown)
box.input.OnConfirm(box.handleConfirm)
box.input.OnValueChange(box.on.valueChange.Broadcast)
@ -78,19 +76,28 @@ func (this *NumberInput) shift (by int) {
this.on.valueChange.Broadcast()
}
func (this *NumberInput) handleKeyDown (key input.Key, numpad bool) {
func (this *NumberInput) handleKeyDown (catch func (), key input.Key, numpad bool) {
switch key {
case input.KeyUp: this.shift(1)
case input.KeyDown: this.shift(-1)
default: this.input.handleKeyDown(key, numpad)
case input.KeyUp:
this.shift(1)
catch()
case input.KeyDown:
this.shift(-1)
catch()
}
}
func (this *NumberInput) handleScroll (x, y float64) {
func (this *NumberInput) handleKeyUp (catch func (), key input.Key, numpad bool) {
switch key {
case input.KeyUp: catch()
case input.KeyDown: catch()
}
}
func (this *NumberInput) handleScroll (catch func (), x, y float64) {
if x == 0 {
catch()
this.shift(-int(math.Round(y)))
} else {
this.input.handleScroll(x, y)
}
}

107
scrollbar.go
View File

@ -35,19 +35,20 @@ func newScrollbar (orient string) *Scrollbar {
this.Add(this.handle)
this.SetFocusable(true)
this.CaptureDND(true)
this.CaptureMouse(true)
this.CaptureScroll(true)
this.CaptureKeyboard(true)
this.CatchDND(true)
this.CatchMouse(true)
this.OnKeyUp(this.handleKeyUp)
this.OnKeyDown(this.handleKeyDown)
this.OnMouseDown(this.handleMouseDown)
this.OnMouseUp(this.handleMouseUp)
this.OnButtonDown(this.handleButtonDown)
this.OnButtonUp(this.handleButtonUp)
this.OnMouseMove(this.handleMouseMove)
this.OnScroll(this.handleScroll)
this.handle.SetRole(tomo.R("objects", "SliderHandle", orient))
this.SetRole(tomo.R("objects", "Slider", orient))
this.handle.SetRole(tomo.R("objects", "SliderHandle"))
this.handle.SetTag(orient, true)
this.SetRole(tomo.R("objects", "Slider"))
this.SetTag(orient, true)
return this
}
@ -120,22 +121,48 @@ func (this *Scrollbar) OnValueChange (callback func ()) event.Cookie {
return this.on.valueChange.Connect(callback)
}
func (this *Scrollbar) handleKeyDown (key input.Key, numpad bool) {
// PageSize returns the scroll distance of a page.
func (this *Scrollbar) PageSize () int {
if this.layout.linked == nil { return 0 }
viewport := this.layout.linked.GetBox().InnerBounds()
if this.layout.vertical {
return viewport.Dy()
} else {
return viewport.Dx()
}
}
// StepSize returns the scroll distance of a step.
func (this *Scrollbar) StepSize () int {
// FIXME: this should not be hardcoded, need to get base font metrics
// from tomo somehow. should be (emspace, lineheight)
return 16
}
func (this *Scrollbar) handleKeyUp (catch func (), key input.Key, numpad bool) {
catch()
}
func (this *Scrollbar) handleKeyDown (catch func (), key input.Key, numpad bool) {
catch()
var increment float64; if this.layout.vertical {
increment = -0.05
} else {
increment = 0.05
}
modifiers := this.Window().Modifiers()
switch key {
case input.KeyUp, input.KeyLeft:
if this.Modifiers().Alt {
if modifiers.Alt {
this.SetValue(0)
} else {
this.SetValue(this.Value() - increment)
}
case input.KeyDown, input.KeyRight:
if this.Modifiers().Alt {
if modifiers.Alt {
this.SetValue(1)
} else {
this.SetValue(this.Value() + increment)
@ -147,8 +174,10 @@ func (this *Scrollbar) handleKeyDown (key input.Key, numpad bool) {
}
}
func (this *Scrollbar) handleMouseDown (button input.Button) {
pointer := this.MousePosition()
func (this *Scrollbar) handleButtonDown (catch func (), button input.Button) {
catch()
pointer := this.Window().MousePosition()
handle := this.handle.Bounds()
within := pointer.In(handle)
@ -173,20 +202,21 @@ func (this *Scrollbar) handleMouseDown (button input.Button) {
}
case input.ButtonMiddle:
if above {
this.scrollBy(this.pageSize())
this.scrollBy(this.PageSize())
} else {
this.scrollBy(-this.pageSize())
this.scrollBy(-this.PageSize())
}
case input.ButtonRight:
if above {
this.scrollBy(this.stepSize())
this.scrollBy(this.StepSize())
} else {
this.scrollBy(-this.stepSize())
this.scrollBy(-this.StepSize())
}
}
}
func (this *Scrollbar) handleMouseUp (button input.Button) {
func (this *Scrollbar) handleButtonUp (catch func (), button input.Button) {
catch()
if button != input.ButtonLeft || !this.dragging { return }
this.dragging = false
}
@ -196,7 +226,8 @@ func (this *Scrollbar) handleMouseMove () {
this.drag()
}
func (this *Scrollbar) handleScroll (x, y float64) {
func (this *Scrollbar) handleScroll (catch func(), x, y float64) {
catch()
if this.layout.linked == nil { return }
this.layout.linked.ScrollTo (
this.layout.linked.ContentBounds().Min.
@ -204,7 +235,7 @@ func (this *Scrollbar) handleScroll (x, y float64) {
}
func (this *Scrollbar) drag () {
pointer := this.MousePosition().Sub(this.dragOffset)
pointer := this.Window().MousePosition().Sub(this.dragOffset)
gutter := this.InnerBounds()
handle := this.handle.Bounds()
@ -229,22 +260,6 @@ func (this *Scrollbar) fallbackDragOffset () image.Point {
}
}
func (this *Scrollbar) pageSize () int {
if this.layout.linked == nil { return 0 }
viewport := this.layout.linked.GetBox().InnerBounds()
if this.layout.vertical {
return viewport.Dy()
} else {
return viewport.Dx()
}
}
func (this *Scrollbar) stepSize () int {
// FIXME: this should not be hardcoded, need to get base font metrics
// from tomo.somehow. should be (emspace, lineheight)
return 16
}
func (this *Scrollbar) scrollBy (distance int) {
if this.layout.linked == nil { return }
var vector image.Point; if this.layout.vertical {
@ -283,14 +298,14 @@ type scrollbarLayout struct {
linked tomo.ContentObject
}
func (scrollbarLayout) MinimumSize (hints tomo.LayoutHints, boxes []tomo.Box) image.Point {
if len(boxes) != 1 { return image.Pt(0, 0) }
return boxes[0].MinimumSize()
func (scrollbarLayout) MinimumSize (hints tomo.LayoutHints, boxes tomo.BoxQuerier) image.Point {
if boxes.Len() != 1 { return image.Pt(0, 0) }
return boxes.MinimumSize(0)
}
func (this scrollbarLayout) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
if len(boxes) != 1 { return }
handle := image.Rectangle { Max: boxes[0].MinimumSize() }
func (this scrollbarLayout) Arrange (hints tomo.LayoutHints, boxes tomo.BoxArranger) {
if boxes.Len() != 1 { return }
handle := image.Rectangle { Max: boxes.MinimumSize(0) }
gutter := hints.Bounds
var gutterLength float64;
@ -311,7 +326,7 @@ func (this scrollbarLayout) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
// and we shouldn't be adding and removing boxes, so this is
// really the only good way to hide things.
// TODO perhaps have a "Hidden" rectangle in the Tomo API?
boxes[0].SetBounds(image.Rect(-16, -16, 0, 0))
boxes.SetBounds(0, image.Rect(-32, -32, -16, -16))
return
}
if this.vertical {
@ -331,15 +346,15 @@ func (this scrollbarLayout) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
handle = handle.Sub(handleOffset).Add(gutter.Min)
// place handle
boxes[0].SetBounds(handle)
boxes.SetBounds(0, handle)
}
func (this scrollbarLayout) RecommendedHeight (hints tomo.LayoutHints, boxes []tomo.Box, width int) int {
func (this scrollbarLayout) RecommendedHeight (hints tomo.LayoutHints, boxes tomo.BoxQuerier, width int) int {
return this.MinimumSize(hints, boxes).X
}
func (this scrollbarLayout) RecommendedWidth (hints tomo.LayoutHints, boxes []tomo.Box, height int) int {
func (this scrollbarLayout) RecommendedWidth (hints tomo.LayoutHints, boxes tomo.BoxQuerier, height int) int {
return this.MinimumSize(hints, boxes).Y
}

185
scrollcontainer.go
View File

@ -2,7 +2,9 @@ package objects
import "image"
import "git.tebibyte.media/tomo/tomo"
import "git.tebibyte.media/tomo/tomo/input"
import "git.tebibyte.media/tomo/tomo/event"
import "git.tebibyte.media/tomo/objects/layouts"
// ScrollSide determines which Scrollbars are active in a ScrollContainer.
type ScrollSide int; const (
@ -38,8 +40,11 @@ func (sides ScrollSide) String () string {
// ScrollContainer couples a ContentBox with one or two Scrollbars.
type ScrollContainer struct {
tomo.ContainerBox
layout *scrollContainerLayout
root tomo.ContentObject
horizontal *Scrollbar
vertical *Scrollbar
horizontalCookie event.Cookie
verticalCookie event.Cookie
@ -52,22 +57,23 @@ type ScrollContainer struct {
func NewScrollContainer (sides ScrollSide) *ScrollContainer {
this := &ScrollContainer {
ContainerBox: tomo.NewContainerBox(),
layout: &scrollContainerLayout { },
}
if sides.Vertical() {
this.layout.vertical = NewVerticalScrollbar()
this.layout.vertical.OnValueChange(this.handleValueChange)
this.Add(this.layout.vertical)
this.vertical = NewVerticalScrollbar()
this.vertical.OnValueChange(this.handleValueChange)
this.Add(this.vertical)
}
if sides.Horizontal() {
this.layout.horizontal = NewHorizontalScrollbar()
this.layout.horizontal.OnValueChange(this.handleValueChange)
this.Add(this.layout.horizontal)
this.horizontal = NewHorizontalScrollbar()
this.horizontal.OnValueChange(this.handleValueChange)
this.Add(this.horizontal)
}
this.CaptureScroll(true)
this.OnScroll(this.handleScroll)
this.SetRole(tomo.R("objects", "ScrollContainer", sides.String()))
this.SetLayout(this.layout)
this.OnKeyDown(this.handleKeyDown)
this.OnKeyUp(this.handleKeyUp)
this.SetRole(tomo.R("objects", "ScrollContainer"))
this.SetTag(sides.String(), true)
this.SetLayout(layouts.NewGrid(true, false)(true, false))
return this
}
@ -75,9 +81,9 @@ func NewScrollContainer (sides ScrollSide) *ScrollContainer {
// a time, and setting it will remove and unlink the current child if there is
// one.
func (this *ScrollContainer) SetRoot (root tomo.ContentObject) {
if this.layout.root != nil {
if this.root != nil {
// remove root and close cookies
this.Remove(this.layout.root)
this.Remove(this.root)
if this.horizontalCookie != nil {
this.horizontalCookie.Close()
this.horizontalCookie = nil
@ -87,24 +93,24 @@ func (this *ScrollContainer) SetRoot (root tomo.ContentObject) {
this.verticalCookie = nil
}
}
this.layout.root = root
this.root = root
if root != nil {
// insert root at the beginning (for keynav)
switch {
case this.layout.vertical != nil:
this.Insert(root, this.layout.vertical)
case this.layout.horizontal != nil:
this.Insert(root, this.layout.horizontal)
case this.vertical != nil:
this.Insert(root, this.vertical)
case this.horizontal != nil:
this.Insert(root, this.horizontal)
default:
this.Add(root)
}
// link root and remember cookies
if this.layout.horizontal != nil {
this.horizontalCookie = this.layout.horizontal.Link(root)
if this.horizontal != nil {
this.horizontalCookie = this.horizontal.Link(root)
}
if this.layout.vertical != nil {
this.verticalCookie = this.layout.vertical.Link(root)
if this.vertical != nil {
this.verticalCookie = this.vertical.Link(root)
}
}
}
@ -112,11 +118,11 @@ func (this *ScrollContainer) SetRoot (root tomo.ContentObject) {
// Value returns the horizontal and vertical scrollbar values where 0 is all the
// way to the left/top, and 1 is all the way to the right/bottom.
func (this *ScrollContainer) Value () (x, y float64) {
if this.layout.horizontal != nil {
x = this.layout.horizontal.Value()
if this.horizontal != nil {
x = this.horizontal.Value()
}
if this.layout.vertical != nil {
y = this.layout.vertical.Value()
if this.vertical != nil {
y = this.vertical.Value()
}
return x, y
}
@ -124,11 +130,11 @@ func (this *ScrollContainer) Value () (x, y float64) {
// SetValue sets the horizontal and vertical scrollbar values where 0 is all the
// way to the left/top, and 1 is all the way to the right/bottom.
func (this *ScrollContainer) SetValue (x, y float64) {
if this.layout.horizontal != nil {
this.layout.horizontal.SetValue(x)
if this.horizontal != nil {
this.horizontal.SetValue(x)
}
if this.layout.vertical != nil {
this.layout.vertical.SetValue(y)
if this.vertical != nil {
this.vertical.SetValue(y)
}
}
@ -138,77 +144,74 @@ func (this *ScrollContainer) OnValueChange (callback func ()) event.Cookie {
return this.on.valueChange.Connect(callback)
}
// PageSize returns the scroll distance of a page.
func (this *ScrollContainer) PageSize () image.Point {
page := image.Point { }
if this.horizontal != nil {
page.X = this.horizontal.PageSize()
}
if this.vertical != nil {
page.Y = this.vertical.PageSize()
}
return page
}
// StepSize returns the scroll distance of a step.
func (this *ScrollContainer) StepSize () image.Point {
page := image.Point { }
if this.horizontal != nil {
page.X = this.horizontal.StepSize()
}
if this.vertical != nil {
page.Y = this.vertical.StepSize()
}
return page
}
func (this *ScrollContainer) handleValueChange () {
this.on.valueChange.Broadcast()
}
func (this *ScrollContainer) handleScroll (x, y float64) {
if this.layout.root == nil { return }
this.layout.root.ScrollTo (
this.layout.root.ContentBounds().Min.
Sub(image.Pt(int(x), int(y))))
func (this *ScrollContainer) handleScroll (catch func (), x, y float64) {
catch()
if this.root == nil { return }
this.scrollBy(image.Pt(int(x), int(y)))
}
// TODO: remove this and replace it with something from the layouts package
type scrollContainerLayout struct {
root tomo.ContentObject
horizontal *Scrollbar
vertical *Scrollbar
func (this *ScrollContainer) scrollBy (vector image.Point) {
if this.root == nil { return }
this.root.ScrollTo (
this.root.ContentBounds().Min.
Sub(vector))
}
func (this *scrollContainerLayout) MinimumSize (hints tomo.LayoutHints, boxes []tomo.Box) image.Point {
var minimum image.Point; if this.root != nil {
minimum = this.root.GetBox().MinimumSize()
func (this *ScrollContainer) handleKeyDown (catch func (), key input.Key, numpad bool) {
modifiers := this.Window().Modifiers()
vector := image.Point { }
switch key {
case input.KeyPageUp:
catch()
if modifiers.Shift {
vector.X -= this.PageSize().X
} else {
vector.Y -= this.PageSize().Y
}
case input.KeyPageDown:
catch()
if modifiers.Shift {
vector.X += this.PageSize().X
} else {
vector.Y += this.PageSize().Y
}
}
if this.horizontal != nil {
minimum.Y += this.horizontal.MinimumSize().Y
}
if this.vertical != nil {
minimum.X += this.vertical.MinimumSize().X
minimum.Y = max(minimum.Y, this.vertical.MinimumSize().Y)
}
if this.horizontal != nil {
minimum.X = max(minimum.X, this.horizontal.MinimumSize().X)
}
return minimum
}
func (this *scrollContainerLayout) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
rootBounds := hints.Bounds
if this.horizontal != nil {
rootBounds.Max.Y -= this.horizontal.MinimumSize().Y
}
if this.vertical != nil {
rootBounds.Max.X -= this.vertical.MinimumSize().X
}
if this.root != nil {
this.root.GetBox().SetBounds(rootBounds)
}
if this.horizontal != nil {
this.horizontal.SetBounds(image.Rect (
hints.Bounds.Min.X,
rootBounds.Max.Y,
rootBounds.Max.X,
hints.Bounds.Max.Y))
}
if this.vertical != nil {
this.vertical.SetBounds(image.Rect (
rootBounds.Max.X,
hints.Bounds.Min.Y,
hints.Bounds.Max.X,
rootBounds.Max.Y))
if vector != (image.Point { }) {
this.scrollBy(vector)
}
}
func (this *scrollContainerLayout) RecommendedHeight (hints tomo.LayoutHints, boxes []tomo.Box, width int) int {
return this.MinimumSize(hints, boxes).X
}
func (this *scrollContainerLayout) RecommendedWidth (hints tomo.LayoutHints, boxes []tomo.Box, height int) int {
return this.MinimumSize(hints, boxes).Y
}
func max (x, y int) int {
if x > y { return x }
return y
func (this *ScrollContainer) handleKeyUp (catch func (), key input.Key, numpad bool) {
switch key {
case input.KeyPageUp: catch()
case input.KeyPageDown: catch()
}
}

2
separator.go
View File

@ -12,6 +12,6 @@ func NewSeparator () *Separator {
this := &Separator {
Box: tomo.NewBox(),
}
this.SetRole(tomo.R("objects", "Separator", ""))
this.SetRole(tomo.R("objects", "Separator"))
return this
}

76
slider.go
View File

@ -43,20 +43,21 @@ func newSlider (orient string, value float64) *Slider {
this.Add(this.handle)
this.SetFocusable(true)
this.CaptureDND(true)
this.CaptureMouse(true)
this.CaptureScroll(true)
this.CaptureKeyboard(true)
this.CatchDND(true)
this.CatchMouse(true)
this.SetValue(value)
this.OnKeyUp(this.handleKeyUp)
this.OnKeyDown(this.handleKeyDown)
this.OnMouseDown(this.handleMouseDown)
this.OnMouseUp(this.handleMouseUp)
this.OnButtonDown(this.handleButtonDown)
this.OnButtonUp(this.handleButtonUp)
this.OnMouseMove(this.handleMouseMove)
this.OnScroll(this.handleScroll)
this.handle.SetRole(tomo.R("objects", "SliderHandle", orient))
this.SetRole(tomo.R("objects", "Slider", orient))
this.handle.SetRole(tomo.R("objects", "SliderHandle"))
this.handle.SetTag(orient, true)
this.SetRole(tomo.R("objects", "Slider"))
this.SetTag(orient, true)
return this
}
@ -96,7 +97,9 @@ func (this *Slider) OnConfirm (callback func ()) event.Cookie {
return this.on.confirm.Connect(callback)
}
func (this *Slider) handleKeyDown (key input.Key, numpad bool) {
func (this *Slider) handleKeyDown (catch func (), key input.Key, numpad bool) {
catch()
var increment float64; if this.layout.vertical {
increment = -0.05
} else {
@ -105,14 +108,14 @@ func (this *Slider) handleKeyDown (key input.Key, numpad bool) {
switch key {
case input.KeyUp, input.KeyLeft:
if this.Modifiers().Alt {
if this.Window().Modifiers().Alt {
this.SetValue(0)
} else {
this.SetValue(this.Value() - increment)
}
this.on.valueChange.Broadcast()
case input.KeyDown, input.KeyRight:
if this.Modifiers().Alt {
if this.Window().Modifiers().Alt {
this.SetValue(1)
} else {
this.SetValue(this.Value() + increment)
@ -127,8 +130,14 @@ func (this *Slider) handleKeyDown (key input.Key, numpad bool) {
}
}
func (this *Slider) handleMouseDown (button input.Button) {
pointer := this.MousePosition()
func (this *Slider) handleKeyUp (catch func (), key input.Key, numpad bool) {
catch()
}
func (this *Slider) handleButtonDown (catch func (), button input.Button) {
catch()
pointer := this.Window().MousePosition()
handle := this.handle.Bounds()
within := pointer.In(handle)
@ -174,7 +183,8 @@ func (this *Slider) handleMouseDown (button input.Button) {
}
}
func (this *Slider) handleMouseUp (button input.Button) {
func (this *Slider) handleButtonUp (catch func (), button input.Button) {
catch()
if button != input.ButtonLeft || !this.dragging { return }
this.dragging = false
this.on.confirm.Broadcast()
@ -185,7 +195,7 @@ func (this *Slider) handleMouseMove () {
this.drag()
}
func (this *Slider) handleScroll (x, y float64) {
func (this *Slider) handleScroll (catch func (), x, y float64) {
delta := (x + y) * 0.005
this.SetValue(this.Value() + delta)
this.on.valueChange.Broadcast()
@ -193,7 +203,7 @@ func (this *Slider) handleScroll (x, y float64) {
}
func (this *Slider) drag () {
pointer := this.MousePosition().Sub(this.dragOffset)
pointer := this.Window().MousePosition().Sub(this.dragOffset)
gutter := this.InnerBounds()
handle := this.handle.Bounds()
@ -225,39 +235,37 @@ type sliderLayout struct {
value float64
}
func (sliderLayout) MinimumSize (hints tomo.LayoutHints, boxes []tomo.Box) image.Point {
if len(boxes) != 1 { return image.Pt(0, 0) }
return boxes[0].MinimumSize()
func (sliderLayout) MinimumSize (hints tomo.LayoutHints, boxes tomo.BoxQuerier) image.Point {
if boxes.Len() != 1 { return image.Pt(0, 0) }
return boxes.MinimumSize(0)
}
func (this sliderLayout) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
if len(boxes) != 1 { return }
handle := image.Rectangle { Max: boxes[0].MinimumSize() }
func (this sliderLayout) Arrange (hints tomo.LayoutHints, boxes tomo.BoxArranger) {
if boxes.Len() != 1 { return }
handle := image.Rectangle { Max: boxes.MinimumSize(0) }
gutter := hints.Bounds
if this.vertical {
height := gutter.Dy() - handle.Dy()
offset := int(float64(height) * (1 - this.value))
handle.Max.X = gutter.Dx()
boxes[0].SetBounds (
handle.
Add(image.Pt(0, offset)).
Add(gutter.Min))
boxes.SetBounds (
0,
handle.Add(image.Pt(0, offset)).Add(gutter.Min))
} else {
width := gutter.Dx() - handle.Dx()
offset := int(float64(width) * this.value)
handle.Max.Y = gutter.Dy()
boxes[0].SetBounds (
handle.
Add(image.Pt(offset, 0)).
Add(gutter.Min))
boxes.SetBounds (
0,
handle.Add(image.Pt(offset, 0)).Add(gutter.Min))
}
}
func (this sliderLayout) RecommendedHeight (tomo.LayoutHints, []tomo.Box, int) int {
return 0
func (this sliderLayout) RecommendedHeight (hints tomo.LayoutHints, boxes tomo.BoxQuerier, width int) int {
return this.MinimumSize(hints, boxes).X
}
func (this sliderLayout) RecommendedWidth (tomo.LayoutHints, []tomo.Box, int) int {
return 0
func (this sliderLayout) RecommendedWidth (hints tomo.LayoutHints, boxes tomo.BoxQuerier, height int) int {
return this.MinimumSize(hints, boxes).Y
}

12
swatch.go
View File

@ -26,11 +26,11 @@ func NewSwatch (value color.Color) *Swatch {
swatch := &Swatch {
CanvasBox: tomo.NewCanvasBox(),
}
swatch.SetRole(tomo.R("objects", "Swatch", ""))
swatch.SetRole(tomo.R("objects", "Swatch"))
swatch.SetDrawer(swatch)
swatch.SetValue(value)
swatch.OnMouseUp(swatch.handleMouseUp)
swatch.OnButtonUp(swatch.handleButtonUp)
swatch.OnKeyUp(swatch.handleKeyUp)
swatch.SetFocusable(true)
return swatch
@ -114,7 +114,7 @@ func (this *Swatch) Choose () {
layouts.ContractHorizontal,
cancelButton,
okButton)
controlRow.SetAlign(tomo.AlignEnd, tomo.AlignMiddle)
controlRow.SetAttr(tomo.AAlign(tomo.AlignEnd, tomo.AlignMiddle))
window.SetRoot(NewOuterContainer (
layouts.Column { true, false },
colorPicker,
@ -155,14 +155,14 @@ func (this *Swatch) userSetValue (value color.Color) {
this.on.valueChange.Broadcast()
}
func (this *Swatch) handleKeyUp (key input.Key, numberPad bool) {
func (this *Swatch) handleKeyUp (catch func (), key input.Key, numberPad bool) {
if key != input.KeyEnter && key != input.Key(' ') { return }
this.Choose()
}
func (this *Swatch) handleMouseUp (button input.Button) {
func (this *Swatch) handleButtonUp (catch func (), button input.Button) {
if button != input.ButtonLeft { return }
if this.MousePosition().In(this.Bounds()) {
if this.Window().MousePosition().In(this.Bounds()) {
this.Choose()
}
}

20
tabbedcontainer.go
View File

@ -18,17 +18,19 @@ func NewTabbedContainer () *TabbedContainer {
container := &TabbedContainer {
ContainerBox: tomo.NewContainerBox(),
}
container.SetRole(tomo.R("objects", "TabbedContainer", ""))
container.SetRole(tomo.R("objects", "TabbedContainer"))
container.SetLayout(layouts.Column { false, true } )
container.tabsRow = tomo.NewContainerBox()
container.tabsRow.SetRole(tomo.R("objects", "TabRow", ""))
container.tabsRow.SetRole(tomo.R("objects", "TabRow"))
container.Add(container.tabsRow)
container.leftSpacer = tomo.NewBox()
container.leftSpacer.SetRole(tomo.R("objects", "TabSpacer", "left"))
container.leftSpacer.SetRole(tomo.R("objects", "TabSpacer"))
container.leftSpacer.SetTag("left", true)
container.rightSpacer = tomo.NewBox()
container.rightSpacer.SetRole(tomo.R("objects", "TabSpacer", "right"))
container.rightSpacer.SetRole(tomo.R("objects", "TabSpacer"))
container.rightSpacer.SetTag("left", true)
container.ClearTabs()
container.setTabRowLayout()
@ -55,9 +57,9 @@ func (this *TabbedContainer) AddTab (name string, root tomo.Object) {
name: name,
root: root,
}
tab.SetRole(tomo.R("objects", "Tab", ""))
tab.SetRole(tomo.R("objects", "Tab"))
tab.SetText(name)
tab.OnMouseDown(func (button input.Button) {
tab.OnButtonDown(func (catch func (), button input.Button) {
if button != input.ButtonLeft { return }
this.Activate(name)
})
@ -118,9 +120,11 @@ type tab struct {
func (this *tab) setActive (active bool) {
if active {
this.SetRole(tomo.R("objects", "Tab", "active"))
this.SetRole(tomo.R("objects", "Tab"))
this.SetTag("active", false)
} else {
this.SetRole(tomo.R("objects", "Tab", ""))
this.SetRole(tomo.R("objects", "Tab"))
this.SetTag("active", true)
}
}

10
textinput.go
View File

@ -19,8 +19,8 @@ type TextInput struct {
// NewTextInput creates a new text input containing the specified text.
func NewTextInput (text string) *TextInput {
this := &TextInput { TextBox: tomo.NewTextBox() }
this.SetRole(tomo.R("objects", "TextInput", ""))
this.SetAlign(tomo.AlignStart, tomo.AlignMiddle)
this.SetRole(tomo.R("objects", "TextInput"))
this.SetAttr(tomo.AAlign(tomo.AlignStart, tomo.AlignMiddle))
this.SetText(text)
this.SetFocusable(true)
this.SetSelectable(true)
@ -53,9 +53,9 @@ func (this *TextInput) OnValueChange (callback func ()) event.Cookie {
return this.on.valueChange.Connect(callback)
}
func (this *TextInput) handleKeyDown (key input.Key, numpad bool) {
func (this *TextInput) handleKeyDown (catch func (), key input.Key, numpad bool) {
dot := this.Dot()
modifiers := this.Modifiers()
modifiers := this.Window().Modifiers()
word := modifiers.Control
sel := modifiers.Shift
changed := false
@ -113,6 +113,6 @@ func (this *TextInput) Type (char rune) {
this.SetText(string(this.text))
}
func (this *TextInput) handleScroll (x, y float64) {
func (this *TextInput) handleScroll (catch func (), x, y float64) {
this.ScrollTo(this.ContentBounds().Min.Add(image.Pt(int(x), int(y))))
}

4
textview.go
View File

@ -11,7 +11,7 @@ type TextView struct {
// NewTextView creates a new text view.
func NewTextView (text string) *TextView {
this := &TextView { TextBox: tomo.NewTextBox() }
this.SetRole(tomo.R("objects", "TextView", ""))
this.SetRole(tomo.R("objects", "TextView"))
this.SetFocusable(true)
this.SetSelectable(true)
this.SetText(text)
@ -21,6 +21,6 @@ func NewTextView (text string) *TextView {
return this
}
func (this *TextView) handleScroll (x, y float64) {
func (this *TextView) handleScroll (catch func (), x, y float64) {
this.ScrollTo(this.ContentBounds().Min.Add(image.Pt(int(x), int(y))))
}