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")
}
func main() {
err := ui.Main(func() {
name := ui.NewEntry()
button := ui.NewButton("Greet")
greeting := ui.NewLabel("")
box := ui.NewVerticalBox()
box.Append(ui.NewLabel("Enter your name:"), false)
box.Append(name, false)
box.Append(button, false)
box.Append(greeting, false)
window := ui.NewWindow("Hello", 200, 100, false)
window.SetChild(box)
button.OnClicked(func(*ui.Button) {
greeting.SetText("Hello, " + name.Text() + "!")
})
window.OnClosing(func(*ui.Window) bool {
ui.Quit()
return true
})
window.Show()
})
if err != nil {
panic(err)
}
}
// ShowWindow shows the UI after invocation
func (this *GUI) ShowWindow(errorsToDisplay, warningsToDisplay []error) {
guiError := ui.Main(func() {
log.Info("Showing GUI")
contentBox := ui.NewVerticalBox()
contentBox.SetPadded(true)
this.Window = ui.NewWindow("QL", 800, 600, false)
this.Window.OnClosing(func(w *ui.Window) bool {
log.Info("Destroy of window initiated")
this.Symbols.SaveToDisk()
ui.Quit()
return true
})
this.Window.SetChild(contentBox)
this.Window.SetMargined(true)
this.Window.Show()
// if there are any errors/warnings, show a dialog
if errorsPresent := this.showErrorDialogIfNecessary(errorsToDisplay); !errorsPresent {
this.showWarningDialogIfNecessary(warningsToDisplay)
this.ShowForm()
}
})
if guiError != nil {
log.WithFields(log.Fields{"guiError": guiError}).Panic("Encountered GUI error")
}
}
// createQuestionTable creates a table box containing the passed GUIQuestions
func (this *GUIForm) createQuestionTable(questions []*GUIQuestion) *ui.Box {
table := ui.NewVerticalBox()
for _, question := range questions {
attachQuestionToTable(table, question)
}
log.WithFields(log.Fields{"NumOfQuestions": len(questions)}).Info("Created question table")
return table
}
// 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
}
func main() {
file, err := os.Open("document.json")
if err != nil {
panic(err)
}
defer file.Close()
buffer := new(bytes.Buffer)
_, err = buffer.ReadFrom(file)
if err != nil {
panic(err)
}
var document uidoc.Element
err = ui.Main(func() {
document, err = uidoc.Parse(buffer.Bytes())
if err != nil {
panic(err)
}
font := ui.LoadClosestFont(&ui.FontDescriptor{
Family: "Deja Vu",
Size: 12,
})
name := ui.NewEntry()
button := ui.NewButton("Greet")
doc := uidoc.New()
doc.SetDocument(document)
box := ui.NewVerticalBox()
box.Append(ui.NewLabel("Enter your name:"), false)
box.Append(name, false)
box.Append(button, false)
box.Append(doc, true)
window := ui.NewWindow("Hello", 400, 700, false)
window.SetChild(box)
button.OnClicked(func(*ui.Button) {
element := uidoc.NewText("Hello, "+name.Text()+"!", font)
document.(*uidoc.Group).Append(element)
doc.Layout()
})
window.OnClosing(func(*ui.Window) bool {
ui.Quit()
return true
})
window.Show()
})
if err != nil {
panic(err)
}
}
// show displays the form box. It should only be called if no semantic errors are present
func (this *GUIForm) show(window *ui.Window) {
log.WithFields(log.Fields{"identifier": this.Form.Identifier()}).Info("Showing form")
this.FormContainer = ui.NewVerticalBox()
window.SetChild(this.FormContainer)
}