wails/exp/pkg/application/window.go

package application

import "github.com/wailsapp/wails/exp/pkg/options"

type windowImpl interface {
	setTitle(title string)
	setSize(width, height int)
	setAlwaysOnTop(alwaysOnTop bool)
	run() error
	navigateToURL(url string)
	setResizable(resizable bool)
	setMinSize(width, height int)
	setMaxSize(width, height int)
}

type Window struct {
	options *options.Window
	impl    windowImpl
}

func NewWindow(options *options.Window) *Window {
	return &Window{
		options: options,
	}
}

func (w *Window) SetTitle(title string) {
	if w.impl == nil {
		w.options.Title = title
		return
	}
	w.impl.setTitle(title)
}

func (w *Window) SetSize(width, height int) {
	if w.impl == nil {
		w.options.Width = width
		w.options.Height = height
		return
	}
	w.impl.setSize(width, height)
}

func (w *Window) Run() error {
	w.impl = newWindowImpl(w.options)
	return w.impl.run()
}

func (w *Window) SetAlwaysOnTop(b bool) {
	if w.impl == nil {
		w.options.AlwaysOnTop = b
		return
	}
	w.impl.setAlwaysOnTop(b)
}

func (w *Window) NavigateToURL(s string) {
	if w.impl == nil {
		w.options.URL = s
		return
	}
	w.impl.navigateToURL(s)
}

func (w *Window) SetResizable(b bool) {
	if w.impl == nil {
		w.options.DisableResize = !b
		return
	}
	w.impl.setResizable(b)
}

func (w *Window) SetMinSize(minWidth, minHeight int) {
	if w.impl == nil {
		w.options.MinWidth = minWidth
		if w.options.Width < minWidth {
			w.options.Width = minWidth
		}
		w.options.MinHeight = minHeight
		if w.options.Height < minHeight {
			w.options.Height = minHeight
		}
		return
	}
	w.impl.setSize(w.options.Width, w.options.Height)
	w.impl.setMinSize(minWidth, minHeight)
}
func (w *Window) SetMaxSize(maxWidth, maxHeight int) {
	if w.impl == nil {
		w.options.MinWidth = maxWidth
		if w.options.Width > maxWidth {
			w.options.Width = maxWidth
		}
		w.options.MinHeight = maxHeight
		if w.options.Height > maxHeight {
			w.options.Height = maxHeight
		}
		return
	}
	w.impl.setSize(w.options.Width, w.options.Height)
	w.impl.setMaxSize(maxWidth, maxHeight)
}