func NewMainWindow() (*MainWindow, error) {
mw := new(MainWindow)
if err := InitWindow(
mw,
nil,
mainWindowWindowClass,
win.WS_OVERLAPPEDWINDOW,
win.WS_EX_CONTROLPARENT); err != nil {
return nil, err
}
succeeded := false
defer func() {
if !succeeded {
mw.Dispose()
}
}()
mw.SetPersistent(true)
var err error
if mw.menu, err = newMenuBar(mw.hWnd); err != nil {
return nil, err
}
if !win.SetMenu(mw.hWnd, mw.menu.hMenu) {
return nil, lastError("SetMenu")
}
tb, err := NewToolBar(mw)
if err != nil {
return nil, err
}
mw.SetToolBar(tb)
if mw.statusBar, err = NewStatusBar(mw); err != nil {
return nil, err
}
mw.statusBar.parent = nil
mw.Children().Remove(mw.statusBar)
mw.statusBar.parent = mw
win.SetParent(mw.statusBar.hWnd, mw.hWnd)
mw.statusBar.visibleChangedPublisher.event.Attach(func() {
mw.SetBounds(mw.Bounds())
})
// This forces display of focus rectangles, as soon as the user starts to type.
mw.SendMessage(win.WM_CHANGEUISTATE, win.UIS_INITIALIZE, 0)
succeeded = true
return mw, nil
}
func NewMainWindowWithStyle(style, styleEx uint32) (*MainWindow, error) {
mw := new(MainWindow)
if style == 0 {
style = win.WS_OVERLAPPEDWINDOW
}
if styleEx == 0 {
styleEx = win.WS_EX_CONTROLPARENT
}
if err := InitWindow(
mw,
nil,
mainWindowWindowClass,
style,
styleEx); err != nil {
return nil, err
}
succeeded := false
defer func() {
if !succeeded {
mw.Dispose()
}
}()
mw.SetPersistent(true)
var err error
if mw.menu, err = newMenuBar(); err != nil {
return nil, err
}
if !win.SetMenu(mw.hWnd, mw.menu.hMenu) {
return nil, lastError("SetMenu")
}
if mw.toolBar, err = NewToolBar(mw); err != nil {
return nil, err
}
mw.toolBar.parent = nil
mw.Children().Remove(mw.toolBar)
mw.toolBar.parent = mw
win.SetParent(mw.toolBar.hWnd, mw.hWnd)
if mw.statusBar, err = NewStatusBar(mw); err != nil {
return nil, err
}
mw.statusBar.parent = nil
mw.Children().Remove(mw.statusBar)
mw.statusBar.parent = mw
win.SetParent(mw.statusBar.hWnd, mw.hWnd)
// This forces display of focus rectangles, as soon as the user starts to type.
mw.SendMessage(win.WM_CHANGEUISTATE, win.UIS_INITIALIZE, 0)
succeeded = true
return mw, nil
}