func (mw MainWindow) Create() error {
w, err := walk.NewMainWindow()
if err != nil {
return err
}
tlwi := topLevelWindowInfo{
Name: mw.Name,
Font: mw.Font,
ToolTipText: "",
MinSize: mw.MinSize,
MaxSize: mw.MaxSize,
ContextMenuItems: mw.ContextMenuItems,
OnKeyDown: mw.OnKeyDown,
OnKeyPress: mw.OnKeyPress,
OnKeyUp: mw.OnKeyUp,
OnMouseDown: mw.OnMouseDown,
OnMouseMove: mw.OnMouseMove,
OnMouseUp: mw.OnMouseUp,
OnSizeChanged: mw.OnSizeChanged,
DataBinder: mw.DataBinder,
Layout: mw.Layout,
Children: mw.Children,
}
builder := NewBuilder(nil)
w.SetSuspended(true)
builder.Defer(func() error {
w.SetSuspended(false)
return nil
})
builder.deferBuildMenuActions(w.Menu(), mw.MenuItems)
builder.deferBuildActions(w.ToolBar().Actions(), mw.ToolBarItems)
return builder.InitWidget(tlwi, w, func() error {
if err := w.SetTitle(mw.Title); err != nil {
return err
}
if err := w.SetSize(mw.Size.toW()); err != nil {
return err
}
imageList, err := walk.NewImageList(walk.Size{16, 16}, 0)
if err != nil {
return err
}
w.ToolBar().SetImageList(imageList)
if mw.AssignTo != nil {
*mw.AssignTo = w
}
builder.Defer(func() error {
w.Show()
return nil
})
return nil
})
}
func main() {
// We need either a walk.MainWindow or a walk.Dialog for their message loop.
// We will not make it visible in this example, though.
mw, err := walk.NewMainWindow()
if err != nil {
log.Fatal(err)
}
// We load our icon from a file.
icon, err := walk.NewIconFromFile("../img/x.ico")
if err != nil {
log.Fatal(err)
}
// Create the notify icon and make sure we clean it up on exit.
ni, err := walk.NewNotifyIcon()
if err != nil {
log.Fatal(err)
}
defer ni.Dispose()
// Set the icon and a tool tip text.
if err := ni.SetIcon(icon); err != nil {
log.Fatal(err)
}
if err := ni.SetToolTip("Click for info or use the context menu to exit."); err != nil {
log.Fatal(err)
}
// When the left mouse button is pressed, bring up our balloon.
ni.MouseDown().Attach(func(x, y int, button walk.MouseButton) {
if button != walk.LeftButton {
return
}
if err := ni.ShowCustom(
"Walk NotifyIcon Example",
"There are multiple ShowX methods sporting different icons."); err != nil {
log.Fatal(err)
}
})
// We put an exit action into the context menu.
exitAction := walk.NewAction()
if err := exitAction.SetText("E&xit"); err != nil {
log.Fatal(err)
}
exitAction.Triggered().Attach(func() { walk.App().Exit(0) })
if err := ni.ContextMenu().Actions().Add(exitAction); err != nil {
log.Fatal(err)
}
// The notify icon is hidden initially, so we have to make it visible.
if err := ni.SetVisible(true); err != nil {
log.Fatal(err)
}
// Now that the icon is visible, we can bring up an info balloon.
if err := ni.ShowInfo("Walk NotifyIcon Example", "Click the icon to show again."); err != nil {
log.Fatal(err)
}
// Run the message loop.
mw.Run()
}