// Initialize view to reflect the model:
func (v *FilesTreeView) init(model *models.FilesTreeStore) error {
renderer1, err := gtk.CellRendererTextNew()
if err != nil {
return fmt.Errorf("Error CellRendererTextNew:", err)
}
renderer2, err := gtk.CellRendererPixbufNew()
if err != nil {
return fmt.Errorf("Error CellRendererPixbufNew:", err)
}
col1, err := gtk.TreeViewColumnNewWithAttribute("Type", renderer2, "pixbuf", 0)
if err != nil {
return fmt.Errorf("Error col1:", err)
}
col2, err := gtk.TreeViewColumnNewWithAttribute("Name", renderer1, "text", 1)
if err != nil {
return fmt.Errorf("Error col2:", err)
}
v.view, err = gtk.TreeViewNewWithModel(model.TreeStore())
if err != nil {
return fmt.Errorf("Error TreeViewNew", err)
}
v.view.AppendColumn(col1)
v.view.AppendColumn(col2)
v.scrolled.Add(v.view)
return nil
}
// Add a column to the tree view (during the initialization of the tree view)
func createColumn(title string, id int) *gtk.TreeViewColumn {
cellRenderer, err := gtk.CellRendererTextNew()
if err != nil {
log.Fatal("Unable to create text cell renderer:", err)
}
column, err := gtk.TreeViewColumnNewWithAttribute(title, cellRenderer, "text", id)
if err != nil {
log.Fatal("Unable to create cell column:", err)
}
return column
}
// Add a column to the tree view (during the initialization of the tree view)
// We need to distinct the type of data shown in either column.
func createTextColumn(title string, id int) *gtk.TreeViewColumn {
// In this column we want to show text, hence create a text renderer
cellRenderer, err := gtk.CellRendererTextNew()
if err != nil {
log.Fatal("Unable to create text cell renderer:", err)
}
// Tell the renderer where to pick input from. Text renderer understands
// the "text" property.
column, err := gtk.TreeViewColumnNewWithAttribute(title, cellRenderer, "text", id)
if err != nil {
log.Fatal("Unable to create cell column:", err)
}
return column
}
func createImageColumn(title string, id int) *gtk.TreeViewColumn {
// In this column we want to show image data from Pixbuf, hence
// create a pixbuf renderer
cellRenderer, err := gtk.CellRendererPixbufNew()
if err != nil {
log.Fatal("Unable to create pixbuf cell renderer:", err)
}
// Tell the renderer where to pick input from. Pixbuf renderer understands
// the "pixbuf" property.
column, err := gtk.TreeViewColumnNewWithAttribute(title, cellRenderer, "pixbuf", id)
if err != nil {
log.Fatal("Unable to create cell column:", err)
}
return column
}
func main() {
gtk.Init(&os.Args)
// Declarations
Window, _ = gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
RootBox, _ = gtk.BoxNew(gtk.ORIENTATION_VERTICAL, 6)
TreeView, _ = gtk.TreeViewNew()
Entry, _ = gtk.EntryNew()
ListStore, _ = gtk.ListStoreNew(glib.TYPE_STRING)
// Window properties
Window.SetTitle("Products written in Go")
Window.Connect("destroy", gtk.MainQuit)
// TreeView properties
{
renderer, _ := gtk.CellRendererTextNew()
column, _ := gtk.TreeViewColumnNewWithAttribute("Value", renderer, "text", 0)
TreeView.AppendColumn(column)
}
TreeView.SetModel(ListStore)
// TreeView selection properties
sel, _ := TreeView.GetSelection()
sel.SetMode(gtk.SELECTION_MULTIPLE)
sel.Connect("changed", SelectionChanged)
// Packing
RootBox.PackStart(TreeView, true, true, 0)
RootBox.PackStart(Entry, false, false, 0)
Window.Add(RootBox)
// Populating list
// TODO: Add more values to the list
AppendMultipleToList("Go", "Docker", "CockroachDB")
Window.ShowAll()
gtk.Main()
}
// TreeViewColumnWithAttribute creates a *gtk.TreeViewColumn.
func TreeViewColumnWithAttribute(title string, renderer gtk.ICellRenderer, attribute string, column int) *gtk.TreeViewColumn {
w, _ := gtk.TreeViewColumnNewWithAttribute(title, renderer, attribute, column)
return w
}