andlabs/updateui.go

104 lines
2.3 KiB
Go

package main
import (
"go.wit.com/dev/andlabs/ui"
)
// Example showing how to update the UI using the QueueMain function
// especially if the update is coming from another goroutine
//
// see QueueMain in 'main.go' for detailed description
var count int
func placeholderUI() {
mainWindow := ui.NewWindow("libui placeholder", 640, 480, true)
mainWindow.OnClosing(func(*ui.Window) bool {
ui.Quit()
return true
})
ui.OnShouldQuit(func() bool {
mainWindow.Destroy()
return true
})
}
func demoUI() {
mainWindow := ui.NewWindow("libui Updating UI", 640, 480, true)
mainWindow.OnClosing(func(*ui.Window) bool {
ui.Quit()
return true
})
ui.OnShouldQuit(func() bool {
mainWindow.Destroy()
return true
})
vbContainer := ui.NewVerticalBox()
vbContainer.SetPadded(true)
inputGroup := ui.NewGroup("Input")
inputGroup.SetMargined(true)
vbInput := ui.NewVerticalBox()
vbInput.SetPadded(true)
inputForm := ui.NewForm()
inputForm.SetPadded(true)
message := ui.NewEntry()
message.SetText("Hello World")
inputForm.Append("What message do you want to show?", message, false)
showMessageButton := ui.NewButton("Show message")
clearMessageButton := ui.NewButton("Clear message")
vbInput.Append(inputForm, false)
vbInput.Append(showMessageButton, false)
vbInput.Append(clearMessageButton, false)
inputGroup.SetChild(vbInput)
messageGroup := ui.NewGroup("Message")
messageGroup.SetMargined(true)
vbMessage := ui.NewVerticalBox()
vbMessage.SetPadded(true)
messageLabel := ui.NewLabel("")
vbMessage.Append(messageLabel, false)
messageGroup.SetChild(vbMessage)
countGroup := ui.NewGroup("Counter")
countGroup.SetMargined(true)
vbCounter := ui.NewVerticalBox()
vbCounter.SetPadded(true)
countLabel := ui.NewLabel("blah")
vbCounter.Append(countLabel, false)
countGroup.SetChild(vbCounter)
vbContainer.Append(inputGroup, false)
vbContainer.Append(messageGroup, false)
vbContainer.Append(countGroup, false)
mainWindow.SetChild(vbContainer)
showMessageButton.OnClicked(func(*ui.Button) {
// Update the UI directly as it is called from the main thread
messageLabel.SetText(message.Text())
})
clearMessageButton.OnClicked(func(*ui.Button) {
// Update the UI directly as it is called from the main thread
messageLabel.SetText("")
})
// this is messed up.
mainWindow.Show()
}