func main() {
gtk3.Init()
var infoBuf, sourceBuf *gtk3.TextBuffer
window := gtk3.NewWindow(gtk3.GtkWindowType.TOPLEVEL)
window.SetTitle("Gtk+ Code Demos")
window.Connect("destroy", gtk3.MainQuit)
hbox := gtk3.NewHBox(0)
window.Add(hbox)
// Create tree
tree := CreateTree()
hbox.PackStart(tree, false, false, 0)
notebook := gtk3.NewNotebook()
hbox.PackStart(notebook, true, true, 0)
notebook.AppendPage(CreateText(&infoBuf, false), gtk3.NewLabelWithMnemonic("_Info"))
infoBuf.CreateTag("title", gtk3.P{"font": "Sans 18"})
notebook.AppendPage(CreateText(&sourceBuf, true), gtk3.NewLabelWithMnemonic("_Source"))
sourceBuf.CreateTag("comment", gtk3.P{"foreground": "DodgerBlue"})
window.SetDefaultSize(600, 400)
window.ShowAll()
gtk3.Main()
}
func CreateTree() gtk3.WidgetLike {
model := gtk3.NewTreeStore([]gobject.GType{gobject.G_TYPE_STRING, gobject.G_TYPE_INT})
treeView := gtk3.NewTreeViewWithModel(model)
selection := treeView.GetSelection()
if selection == nil {
panic("Selection object nil")
}
selection.SetMode(gtk3.GtkSelectionMode.BROWSE)
var iter gtk3.TreeIter
for _, demo := range Demos {
model.Append(&iter, nil)
model.SetValues(&iter, gtk3.V{TitleColumn: demo.Title, StyleColumn: pango.PangoStyle.NORMAL})
if len(demo.Children) > 0 {
var childIter gtk3.TreeIter
for _, childDemo := range demo.Children {
model.Append(&childIter, &iter)
model.SetValues(&childIter, gtk3.V{TitleColumn: childDemo.Title, StyleColumn: pango.PangoStyle.NORMAL})
}
}
}
cell := gtk3.NewCellRendererText()
column := gtk3.NewTreeViewColumnWithAttributes("Widget (double click for demo)",
cell,
gtk3.A{{"text", TitleColumn}, {"style", StyleColumn}})
treeView.AppendColumn(column)
model.GetIterFirst(&iter)
selection.SelectIter(&iter)
treeView.Connect("row_activated", rowActivated, model)
treeView.CollapseAll()
treeView.SetHeadersVisible(false)
sw := gtk3.NewScrolledWindow(nil, nil)
sw.SetPolicy(gtk3.GtkPolicy.AUTOMATIC, gtk3.GtkPolicy.AUTOMATIC)
sw.Add(treeView)
label := gtk3.NewLabel("Widget (double click for demo)")
box := gtk3.NewNotebook()
box.AppendPage(sw, label)
treeView.GrabFocus()
return box
}
func DoSearchEntry(w gtk3.WidgetLike) gtk3.WidgetLike {
if window == nil {
var searchProgressId, finishSearchId uint
window = gtk3.NewDialogWithButtons("Search Entry", w.(*gtk3.Window),
0, gtk3.B{{gtk3.GtkStock.CLOSE, gtk3.GtkResponse.NONE}})
window.SetResizable(false)
window.Connect("response", func() { window.Destroy() })
window.Connect("destroy", func() {
if finishSearchId != 0 {
glib.GSourceRemove(finishSearchId)
}
if searchProgressId != 0 {
glib.GSourceRemove(searchProgressId)
}
window = nil
})
contentArea := window.GetContentArea().(*gtk3.Box)
vbox := gtk3.NewVBox(5)
contentArea.PackStart(vbox, true, true, 0)
vbox.SetBorderWidth(5)
label := gtk3.NewLabel("")
label.SetMarkup("Search entry demo")
vbox.PackStart(label, false, false, 0)
hbox := gtk3.NewHBox(10)
vbox.PackStart(hbox, true, true, 0)
hbox.SetBorderWidth(0)
// Create our entry
entry := gtk3.NewEntry()
hbox.PackStart(entry, false, false, 0)
// Create the find and cancel buttons
notebook := gtk3.NewNotebook()
notebook.SetShowTabs(false)
notebook.SetShowBorder(false)
hbox.PackStart(notebook, false, false, 0)
startSearchFunc := func() { entry.ProgressPulse() }
finishSearchFunc := func() bool {
notebook.SetCurrentPage(0)
glib.GSourceRemove(searchProgressId)
searchProgressId = 0
entry.SetProgressFraction(0.0)
return false
}
findButton := gtk3.NewButtonWithLabel("Find")
findButton.Connect("clicked", func() {
notebook.SetCurrentPage(1)
searchProgressId = glib.GTimeoutAddFull(glib.GPriority.DEFAULT, 100, startSearchFunc)
finishSearchId = glib.GTimeoutAddSecondsFull(glib.GPriority.DEFAULT, 15, finishSearchFunc)
})
notebook.AppendPage(findButton, nil)
findButton.Show()
cancelButton := gtk3.NewButtonWithLabel("Cancel")
cancelButton.Connect("clicked", func() {
glib.GSourceRemove(finishSearchId)
finishSearchFunc()
})
notebook.AppendPage(cancelButton, nil)
cancelButton.Show()
// Set up the search icon
entry.SetIconFromStock(gtk3.GtkEntryIconPosition.PRIMARY, gtk3.GtkStock.FIND)
entry.SetIconTooltipText(gtk3.GtkEntryIconPosition.PRIMARY,
"Search by name\nClick here to change the search type")
entry.SetPlaceholderText("name")
// Set up the clear icon
entry.SetIconFromStock(gtk3.GtkEntryIconPosition.SECONDARY, gtk3.GtkStock.CLEAR)
menu := createSearchMenu(entry)
menu.AttachToWidget(entry, nil)
textChangedFunc := func() {
hasText := entry.GetTextLength() > 0
entry.SetIconSensitive(gtk3.GtkEntryIconPosition.SECONDARY, hasText)
findButton.SetSensitive(hasText)
}
textChangedFunc()
entry.Connect("icon-press", iconPressCallback, menu)
entry.Connect("notify::text", textChangedFunc)
entry.Connect("activate", func() {
if searchProgressId != 0 {
return
}
notebook.SetCurrentPage(1)
searchProgressId = glib.GTimeoutAddFull(glib.GPriority.DEFAULT, 100, startSearchFunc)
finishSearchId = glib.GTimeoutAddSecondsFull(glib.GPriority.DEFAULT, 15, finishSearchFunc)
})
entry.Connect("populate-popup", entryPopulatePopup)
button := window.GetWidgetForResponse(gtk3.GtkResponse.NONE)
button.W().GrabFocus()
}
if !window.GetVisible() {
window.ShowAll()
} else {
window.Destroy()
window = nil
return nil
}
return window
}