func fixedToggled(m gtk3.TreeModelLike, data ...interface{}) {
// Data should hold additional arguments filled with closure
if len(data) != 2 {
return
}
// We need path string
pathStr, _ := data[1].(string)
model := m.(*gtk3.ListStore)
var iter gtk3.TreeIter
path := gtk3.NewTreePathFromString(pathStr)
// Get toggled iter
model.GetIter(&iter, path)
fixed := model.GetValue(&iter, ColumnFixed).(bool)
// Do something with the value
if fixed {
fixed = false
} else {
fixed = true
}
// set new value
model.SetValue(&iter, ColumnFixed, fixed)
// C code would have to free path
// Go GC will do that for us - weeeee
}
func itemToggled(model *gtk3.TreeStore, column int, data ...interface{}) {
var iter gtk3.TreeIter
pathStr := data[1].(string)
path := gtk3.NewTreePathFromString(pathStr)
model.GetIter(&iter, path)
toggleItem := model.GetValue(&iter, column).(bool)
if toggleItem {
toggleItem = false
} else {
toggleItem = true
}
model.SetValue(&iter, column, toggleItem)
}
func DoComboBox(w gtk3.WidgetLike) gtk3.WidgetLike {
if window == nil {
window = gtk3.NewWindow(gtk3.GtkWindowType.TOPLEVEL)
window.SetScreen(w.W().GetScreen())
window.SetTitle("Combo boxes")
window.Connect("destroy", func() { window.Destroy(); window = nil })
window.SetBorderWidth(10)
vbox := gtk3.NewVBox(2)
window.Add(vbox)
// A combobox demonstrating cell renderers, separators and insensitive rows
frame := gtk3.NewFrame("Some stock icons")
vbox.PackStart(frame, false, false, 0)
box := gtk3.NewVBox(0)
box.SetBorderWidth(5)
frame.Add(box)
model := createStockIconStore()
combo := gtk3.NewComboBoxWithModel(model)
box.Add(combo)
var renderer gtk3.CellRendererLike
renderer = gtk3.NewCellRendererPixbuf()
combo.PackStart(renderer, false)
combo.SetAttributes(renderer, gtk3.A{{"pixbuf", PixbufCol}})
combo.SetCellDataFunc(renderer, setSensitive)
renderer = gtk3.NewCellRendererText()
combo.PackStart(renderer, true)
combo.SetAttributes(renderer, gtk3.A{{"text", TextCol}})
combo.SetCellDataFunc(renderer, setSensitive)
combo.SetRowSeparatorFunc(isSeparator)
combo.SetActive(0)
// A ComboBox demonstrating trees.
frame = gtk3.NewFrame("Where are we ?")
vbox.PackStart(frame, false, false, 0)
box = gtk3.NewVBox(0)
box.SetBorderWidth(5)
frame.Add(box)
model1 := createCapitalStore()
combo3 := gtk3.NewComboBoxWithModel(model1)
box.Add(combo3)
renderer1 := gtk3.NewCellRendererText()
combo3.PackStart(renderer1, true)
combo3.SetAttributes(renderer1, gtk3.A{{"text", 0}})
combo3.SetCellDataFunc(renderer1, isCapitalSensitive)
var iter gtk3.TreeIter
path := gtk3.NewTreePathFromString("3:3")
model1.ITreeModel().GetIter(&iter, path)
combo3.SetActiveIter(&iter)
// a combobox with validation
frame = gtk3.NewFrame("Editable")
vbox.PackStart(frame, false, false, 0)
box = gtk3.NewVBox(0)
box.SetBorderWidth(5)
frame.Add(box)
combo1 := gtk3.NewComboBoxTextWithEntry()
box.Add(combo1)
combo1.AppendText("One")
combo1.AppendText("Two")
combo1.AppendText("2\302\275")
combo1.AppendText("Three")
mask := "^([0-9]*|One|Two|2\302\275|Three)$"
entry := combo1.GetChild().(*gtk3.Entry)
entry.Connect("changed", setBackground, entry, mask)
// A ComboBox with string IDs
frame = gtk3.NewFrame("String IDs")
vbox.PackStart(frame, false, false, 0)
box = gtk3.NewVBox(0)
vbox.SetBorderWidth(5)
frame.Add(box)
combo2 := gtk3.NewComboBoxText()
combo2.Append("never", "Not visible")
combo2.Append("when-active", "Visible when active")
combo2.Append("always", "Always visible")
box.Add(combo2)
entry = gtk3.NewEntry()
box.Add(entry)
gobject.BindProperty(combo2, "active-id", entry, "text", gobject.GBindingFlags.BIDIRECTIONAL)
}
if !window.GetVisible() {
window.ShowAll()
} else {
window.Destroy()
window = nil
return nil
}
return window
}