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beginnings of a qt gui.
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fiatjaf
229
view/main.go
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229
view/main.go
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@@ -0,0 +1,229 @@
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package main
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import (
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"encoding/json"
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"os"
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"slices"
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"strings"
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"fiatjaf.com/nostr"
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"github.com/therecipe/qt/core"
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"github.com/therecipe/qt/widgets"
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)
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var (
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currentSec nostr.SecretKey
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currentKeyer nostr.Keyer
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tagRows [][]*widgets.QLineEdit
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updateEvent func()
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)
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func main() {
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app := widgets.NewQApplication(len(os.Args), os.Args)
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window := widgets.NewQMainWindow(nil, 0)
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window.SetMinimumSize2(800, 600)
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window.SetWindowTitle("nakv")
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centralWidget := widgets.NewQWidget(nil, 0)
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window.SetCentralWidget(centralWidget)
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mainLayout := widgets.NewQVBoxLayout()
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centralWidget.SetLayout(mainLayout)
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// private key input
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secLabel := widgets.NewQLabel2("private key (hex or nsec):", nil, 0)
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mainLayout.AddWidget(secLabel, 0, 0)
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secEdit := widgets.NewQLineEdit(nil)
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mainLayout.AddWidget(secEdit, 0, 0)
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secEdit.ConnectTextChanged(func(text string) {
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if text == "" {
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currentSec = nostr.SecretKey{}
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currentKeyer = nil
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return
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}
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sk, bunker, err := handleSecretKeyOrBunker(text)
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if err != nil {
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// TODO: have a field somewhere at the bottom of the screen, below the tabs view, to display errors and other messages
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currentSec = nostr.SecretKey{}
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currentKeyer = nil
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return
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}
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currentSec = sk
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currentKeyer = bunker
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})
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tabWidget := widgets.NewQTabWidget(nil)
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eventTab := widgets.NewQWidget(nil, 0)
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reqTab := widgets.NewQWidget(nil, 0)
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tabWidget.AddTab(eventTab, "event")
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tabWidget.AddTab(reqTab, "req")
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mainLayout.AddWidget(tabWidget, 0, 0)
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// set up event tab
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layout := widgets.NewQVBoxLayout()
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eventTab.SetLayout(layout)
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// kind input
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kindHBox := widgets.NewQHBoxLayout()
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layout.AddLayout(kindHBox, 0)
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kindLabel := widgets.NewQLabel2("kind:", nil, 0)
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kindHBox.AddWidget(kindLabel, 0, 0)
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kindSpin := widgets.NewQSpinBox(nil)
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// TODO: set default value to 1
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kindSpin.SetMinimum(0)
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kindSpin.SetMaximum(1<<16 - 1)
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kindHBox.AddWidget(kindSpin, 0, 0)
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kindSpin.ConnectValueChanged(func(int) {
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updateEvent()
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})
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kindNameLabel := widgets.NewQLabel2("", nil, 0)
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kindHBox.AddWidget(kindNameLabel, 0, 0)
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// content input
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contentLabel := widgets.NewQLabel2("content:", nil, 0)
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layout.AddWidget(contentLabel, 0, 0)
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contentEdit := widgets.NewQTextEdit(nil)
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layout.AddWidget(contentEdit, 0, 0)
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contentEdit.ConnectTextChanged(updateEvent)
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// created_at input
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createdAtLabel := widgets.NewQLabel2("created at:", nil, 0)
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layout.AddWidget(createdAtLabel, 0, 0)
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createdAtEdit := widgets.NewQDateTimeEdit(nil)
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createdAtEdit.SetDateTime(core.QDateTime_CurrentDateTime())
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layout.AddWidget(createdAtEdit, 0, 0)
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createdAtEdit.ConnectDateTimeChanged(func(*core.QDateTime) {
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updateEvent()
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})
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// tags input
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tagsLabel := widgets.NewQLabel2("tags:", nil, 0)
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layout.AddWidget(tagsLabel, 0, 0)
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tagsLayout := widgets.NewQVBoxLayout()
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tagRowHBoxes := make([]widgets.QLayout_ITF, 0, 2)
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layout.AddLayout(tagsLayout, 0)
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var addTagRow func()
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addTagRow = func() {
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hbox := widgets.NewQHBoxLayout()
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tagRowHBoxes = append(tagRowHBoxes, hbox)
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tagsLayout.AddLayout(hbox, 0)
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tagItems := []*widgets.QLineEdit{}
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y := len(tagRows)
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tagRows = append(tagRows, tagItems)
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var addItem func()
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addItem = func() {
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edit := widgets.NewQLineEdit(nil)
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hbox.AddWidget(edit, 0, 0)
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x := len(tagItems)
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tagItems = append(tagItems, edit)
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tagRows[y] = tagItems
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edit.ConnectTextChanged(func(text string) {
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if strings.TrimSpace(text) != "" {
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// when an item input has been filled check if we have to show more
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if y == len(tagRows)-1 {
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addTagRow()
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}
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if x == len(tagItems)-1 {
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addItem()
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}
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} else {
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// do this when an item input has been emptied: check if we need to remove an item from this row
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nItems := len(tagItems)
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if nItems >= 2 && strings.TrimSpace(tagItems[nItems-1].Text()) == "" && strings.TrimSpace(tagItems[nItems-2].Text()) == "" {
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// remove last item if the last 2 are empty
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hbox.Layout().RemoveWidget(tagItems[nItems-1])
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tagItems[nItems-1].DeleteLater()
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tagItems = tagItems[0 : nItems-1]
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tagRows[y] = tagItems
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}
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// check if we need to remove rows
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nRows := len(tagRows)
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itemIsFilled := func(edit *widgets.QLineEdit) bool { return strings.TrimSpace(edit.Text()) != "" }
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if nRows >= 2 && !slices.ContainsFunc(tagRows[nRows-1], itemIsFilled) && !slices.ContainsFunc(tagRows[nRows-2], itemIsFilled) {
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// remove the last row if the last 2 are empty
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tagsLayout.RemoveItem(tagRowHBoxes[nRows-1])
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for _, tagItem := range tagRows[nRows-1] {
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tagItem.DeleteLater()
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}
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tagRowHBoxes[nRows-1].QLayout_PTR().DeleteLater()
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tagRows = tagRows[0 : nRows-1]
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tagRowHBoxes = tagRowHBoxes[0 : nRows-1]
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}
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}
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updateEvent()
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})
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}
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addItem()
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}
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// first
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addTagRow()
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// output JSON
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outputLabel := widgets.NewQLabel2("event:", nil, 0)
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layout.AddWidget(outputLabel, 0, 0)
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outputEdit := widgets.NewQTextEdit(nil)
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outputEdit.SetReadOnly(true)
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layout.AddWidget(outputEdit, 0, 0)
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// function to update the display
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updateEvent = func() {
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kind := nostr.Kind(kindSpin.Value())
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kindName := kind.Name()
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if kindName != "unknown" {
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kindNameLabel.SetText(kindName)
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} else {
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kindNameLabel.SetText("")
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}
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tags := make(nostr.Tags, 0, len(tagRows))
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for y, tagItems := range tagRows {
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if y == len(tagRows)-1 && strings.TrimSpace(tagItems[0].Text()) == "" {
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continue
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}
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tag := make(nostr.Tag, 0, len(tagItems))
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for x, edit := range tagItems {
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text := strings.TrimSpace(edit.Text())
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if x == len(tagItems)-1 && text == "" {
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continue
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}
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text = decodeTagValue(text)
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tag = append(tag, text)
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}
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if len(tag) > 0 {
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tags = append(tags, tag)
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}
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}
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event := nostr.Event{
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Kind: kind,
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Content: contentEdit.ToPlainText(),
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CreatedAt: nostr.Timestamp(createdAtEdit.DateTime().ToMSecsSinceEpoch() / 1000),
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Tags: tags,
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}
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if currentKeyer != nil {
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// TODO:
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// call debounced function that calls:
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// currentKeyer.SignEvent(event)
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// then the json.Marshal / outputEdit.SetPlainText
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}
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jsonBytes, _ := json.MarshalIndent(event, "", " ")
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outputEdit.SetPlainText(string(jsonBytes))
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}
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// initial render
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updateEvent()
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window.Show()
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app.Exec()
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}
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