mirror of https://github.com/anoshenko/rui.git
123 lines
3.0 KiB
Go
123 lines
3.0 KiB
Go
package main
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import (
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"fmt"
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"strconv"
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"strings"
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"github.com/anoshenko/rui"
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)
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const touchEventsDemoText = `
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GridLayout {
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width = 100%, height = 100%, cell-height = "1fr, auto",
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content = [
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GridLayout {
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padding = 12px,
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content = [
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GridLayout {
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id = touchEventsTest, cell-horizontal-align = center, cell-vertical-align = center,
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height = 100%,
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border = _{ style = solid, width = 1px, color = gray},
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content = [
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TextView {
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id = touchEventsText, text = "Test box",
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}
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]
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}
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],
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},
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Resizable {
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row = 1, side = top, background-color = lightgrey, height = 300px,
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content = EditView {
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id = touchEventsLog, type = multiline, read-only = true, wrap = true,
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}
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},
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]
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}
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`
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func createTouchEventsDemo(session rui.Session) rui.View {
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view := rui.CreateViewFromText(session, touchEventsDemoText)
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if view == nil {
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return nil
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}
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addToLog := func(tag string, event rui.TouchEvent) {
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var buffer strings.Builder
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appendBool := func(name string, value bool) {
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buffer.WriteString(`, `)
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buffer.WriteString(name)
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if value {
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buffer.WriteString(` = true`)
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} else {
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buffer.WriteString(` = false`)
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}
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}
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/*
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appendInt := func(name string, value int) {
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buffer.WriteString(`, `)
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buffer.WriteString(name)
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buffer.WriteString(` = `)
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buffer.WriteString(strconv.Itoa(value))
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}*/
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appendFloat := func(name string, value float64) {
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buffer.WriteString(fmt.Sprintf(`, %s = %g`, name, value))
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}
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appendPoint := func(name string, x, y float64) {
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buffer.WriteString(fmt.Sprintf(`, %s = (%g:%g)`, name, x, y))
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}
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buffer.WriteString(tag)
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buffer.WriteString(`: TimeStamp = `)
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buffer.WriteString(strconv.FormatUint(event.TimeStamp, 10))
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buffer.WriteString(`, touches = [`)
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for i, touch := range event.Touches {
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if i > 0 {
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buffer.WriteString(`, `)
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}
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buffer.WriteString(`{ Identifier = `)
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buffer.WriteString(strconv.Itoa(touch.Identifier))
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appendPoint("(X:Y)", touch.X, touch.Y)
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appendPoint("Client (X:Y)", touch.ClientX, touch.ClientY)
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appendPoint("Screen (X:Y)", touch.ScreenX, touch.ScreenY)
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appendPoint("Radius (X:Y)", touch.RadiusX, touch.RadiusY)
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appendFloat("RotationAngle", touch.RotationAngle)
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appendFloat("Force", touch.Force)
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buffer.WriteString(`}`)
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}
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buffer.WriteString(`]`)
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appendBool("CtrlKey", event.CtrlKey)
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appendBool("ShiftKey", event.ShiftKey)
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appendBool("AltKey", event.AltKey)
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appendBool("MetaKey", event.MetaKey)
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buffer.WriteString(";\n\n")
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rui.AppendEditText(view, "touchEventsLog", buffer.String())
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rui.ScrollViewToEnd(view, "touchEventsLog")
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}
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rui.SetParams(view, "touchEventsTest", rui.Params{
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rui.TouchStart: func(v rui.View, event rui.TouchEvent) {
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addToLog("touch-start", event)
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},
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rui.TouchEnd: func(v rui.View, event rui.TouchEvent) {
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addToLog("touch-end", event)
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},
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rui.TouchCancel: func(v rui.View, event rui.TouchEvent) {
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addToLog("touch-cancel", event)
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},
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rui.TouchMove: func(v rui.View, event rui.TouchEvent) {
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addToLog("touch-move", event)
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},
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})
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return view
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}
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