38 lines
1.5 KiB
Go
38 lines
1.5 KiB
Go
// 7 july 2014
|
|
|
|
package ui
|
|
|
|
// Window represents a top-level window on screen that contains other Controls.
|
|
// Windows in package ui can only contain one control; the Stack and Grid layout Controls allow you to pack multiple Controls in a Window.
|
|
// Note that a Window is not itself a Control.
|
|
type Window interface {
|
|
// SetControl sets the Window's child Control.
|
|
SetControl(c Control)
|
|
|
|
// Title and SetTitle get and set the Window's title, respectively.
|
|
Title() string
|
|
SetTitle(title string)
|
|
|
|
// Show and Hide bring the Window on-screen and off-screen, respectively.
|
|
Show()
|
|
Hide()
|
|
|
|
// Close closes the Window.
|
|
// Any Controls within the Window are destroyed, and the Window itself is also destroyed.
|
|
// Attempting to use a Window after it has been closed results in undefined behavior.
|
|
// Close unconditionally closes the Window; it neither raises OnClosing nor checks for a return from OnClosing.
|
|
// TODO make sure the above happens on GTK+ and Mac OS X; it does on Windows
|
|
Close()
|
|
|
|
// OnClosing registers an event handler that is triggered when the user clicks the Window's close button.
|
|
// On systems where whole applications own windows, OnClosing is also triggered when the user asks to close the application.
|
|
// If this handler returns true, the Window is closed as defined by Close above.
|
|
// If this handler returns false, the Window is not closed.
|
|
OnClosing(func() bool)
|
|
}
|
|
|
|
// NewWindow creates a new Window with the given title text and size.
|
|
func NewWindow(title string, width int, height int) Window {
|
|
return newWindow(title, width, height)
|
|
}
|