func addColumns(treeView *gtk3.TreeView) {
model := treeView.GetModel()
var renderer gtk3.CellRendererLike
// column for fixed toggles
renderer = gtk3.NewCellRendererToggle()
renderer.CRenderer().Connect("toggled", fixedToggled, model)
column := gtk3.NewTreeViewColumnWithAttributes("Fixed?", renderer, gtk3.A{{"active", ColumnFixed}})
// Set this column to a fixed sizing (50 pixels)
column.SetSizing(gtk3.GtkTreeViewColumnSizing.FIXED)
column.SetFixedWidth(50)
treeView.AppendColumn(column)
// Column for bug numbers
renderer = gtk3.NewCellRendererText()
column = gtk3.NewTreeViewColumnWithAttributes("Bug number", renderer, gtk3.A{{"text", ColumnNumber}})
column.SetSortColumnId(ColumnNumber)
treeView.AppendColumn(column)
// Column for severities
renderer = gtk3.NewCellRendererText()
column = gtk3.NewTreeViewColumnWithAttributes("Severity", renderer, gtk3.A{{"text", ColumnSeverity}})
column.SetSortColumnId(ColumnSeverity)
treeView.AppendColumn(column)
// Column for description
renderer = gtk3.NewCellRendererText()
column = gtk3.NewTreeViewColumnWithAttributes("Description", renderer, gtk3.A{{"text", ColumnDescription}})
column.SetSortColumnId(ColumnDescription)
treeView.AppendColumn(column)
// Column for spinner
renderer = gtk3.NewCellRendererSpinner()
column = gtk3.NewTreeViewColumnWithAttributes("Spinning", renderer, gtk3.A{{"pulse", ColumnPulse}, {"active", ColumnActive}})
column.SetSortColumnId(ColumnPulse)
treeView.AppendColumn(column)
// Column for symbolic icon
renderer = gtk3.NewCellRendererPixbuf()
renderer.CRenderer().Set(gtk3.P{"follow-state": true})
column = gtk3.NewTreeViewColumnWithAttributes("Symbolic icon", renderer,
gtk3.A{{"icon-name", ColumnIcon}, {"sensitive", ColumnSensitive}})
column.SetSortColumnId(ColumnIcon)
treeView.AppendColumn(column)
}
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
}