The window modes are extended, following microsoft conventions.
We have Fullscreen, Overlapping, Maximized and Minimized.
These modes can be set via options when a new window is creates,
or modified later by calling helper functions like w.Maximize() and w.Center()
The window configuration is automatically updated when a user
modifies the window by dragging or clicking the icons on the window's title-bar,
minimizing or maximizing the window.
Any change, either by the user or the application will emit a ConfigChange event.
This is implemented and tested on Windows only.
API change. the app.Window methods Maximize and Center are replaced with similar
options. For example, to maximize a window use
w.Option(app.Maximized.Option())
Also, Maximize and Center implementations for X11 and macOS are left for a future
change.
Fixes: https://todo.sr.ht/~eliasnaur/gio/315
Signed-off-by: Jan Kåre Vatne <jkvatne@online.no>
Jan Kåre Vatne
c4f98d3c1e