func initGUI() {
/*
ff := ui.ListFontFamilies()
for i := 0; i < ff.NumFamilies(); i++ {
log.Printf("%3d. Font family '%s'\n", i + 1, ff.Family(i))
}
*/
window := ui.NewWindow("Привет мир!", 800, 480, false)
window.SetMargined(true)
progress := ui.NewProgressBar()
labelTime := ui.NewLabel("")
labelInfo := ui.NewLabel("Info")
labelInfoButtonHandler := func(b *ui.Button) {
labelInfo.SetText("Click button " + b.Text())
}
hbox := ui.NewHorizontalBox()
hbox.SetPadded(true)
hbox.Append(func() *ui.Box {
box := ui.NewVerticalBox()
box.SetPadded(true)
box.Append(func() *ui.Button {
button := ui.NewButton("Button 1")
button.OnClicked(labelInfoButtonHandler)
return button
}(), false)
box.Append(func() *ui.Button {
button := ui.NewButton("Button 2")
button.OnClicked(labelInfoButtonHandler)
return button
}(), false)
box.Append(func() *ui.Button {
button := ui.NewButton("Button 3")
button.OnClicked(labelInfoButtonHandler)
return button
}(), false)
box.Append(ui.NewHorizontalSeparator(), false)
label := ui.NewLabel("It's all")
box.Append(label, true)
box.Append(func() *ui.Button {
button := ui.NewButton("Exit")
button.OnClicked(func(*ui.Button) {
ui.Quit()
})
return button
}(), false)
return box
}(), false)
areaHandler := NewHistogramAreaHandler(20)
area := ui.NewArea(areaHandler)
hbox.Append(func() *ui.Box {
box := ui.NewVerticalBox()
box.SetPadded(true)
box.Append(labelInfo, false)
box.Append(labelTime, false)
tab := ui.NewTab()
tab.Append("Histogram demo", area)
tab.Append("Controls demo", func() *ui.Box {
box := ui.NewVerticalBox()
box.SetPadded(true)
box.Append(ui.NewEntry(), false)
box.Append(ui.NewCheckbox("Check it"), false)
box.Append(func() *ui.RadioButtons {
radio := ui.NewRadioButtons()
radio.Append("Radio button 1")
radio.Append("Radio button 2")
radio.Append("Radio button 3")
return radio
}(), false)
box.Append(func() *ui.Group {
combo := ui.NewCombobox()
combo.Append("First")
combo.Append("Second")
combo.Append("Third")
combo.Append("Fourth")
combo.OnSelected(func(cb *ui.Combobox) {
ui.MsgBoxError(window, "OnSelected", "Line #"+strconv.Itoa(cb.Selected()+1))
})
group := ui.NewGroup("Can't get text, only index")
group.SetChild(combo)
return group
}(), false)
box.Append(ui.NewSlider(0, 100), false)
box.Append(ui.NewSpinbox(0, 10), false)
box.Append(ui.NewDatePicker(), false)
box.Append(ui.NewDateTimePicker(), false)
return box
}())
tab.Append("Tab 3", ui.NewLabel("At tab 3"))
box.Append(tab, true)
box.Append(progress, false)
return box
}(), true)
window.SetChild(hbox)
window.OnClosing(func(*ui.Window) bool {
log.Println("Window close")
ui.Quit()
return true
})
window.Show()
progressCounter := 0
progressTicker := time.NewTicker(time.Millisecond * 50)
go func() {
for _ = range progressTicker.C {
// Что бы записать значение в виджет используем потокобезопасный вызов
ui.QueueMain(func() {
progress.SetValue(progressCounter)
})
progressCounter++
if progressCounter > 100 {
progressCounter = 0
}
}
}()
timeTicker := time.NewTicker(time.Millisecond * 10)
go func() {
for t := range timeTicker.C {
// Что бы записать значение в виджет используем потокобезопасный вызов
ui.QueueMain(func() {
labelTime.SetText(t.Format(time.StampMilli))
})
}
}()
hystogrammTicker := time.NewTicker(time.Millisecond * 500)
go func() {
for _ = range hystogrammTicker.C {
// Что бы записать значение в виджет используем потокобезопасный вызов
ui.QueueMain(func() {
areaHandler.Push(rand.Intn(100))
area.QueueRedrawAll()
})
}
}()
log.Println("InitGUI done")
}
// Creates a new UIDoc control. This can be added to a ui.Window, ui.Box, etc.
func New() *UIDoc {
r := &UIDoc{}
r.area = ui.NewScrollingArea(&drawHandler{r}, 400, 400)
r.measureArea = ui.NewArea(&measureHandler{r})
r.box = ui.NewVerticalBox()
toolbarContainer := ui.NewHorizontalBox()
toolbarHeightRetainer := ui.NewHorizontalSeparator()
toolbarContainer.Append(toolbarHeightRetainer, false)
toolbarContainer.Append(r.measureArea, true)
r.box.Append(r.area, true)
r.box.Append(toolbarContainer, false)
return r
}