This patch adds a specialized window type for notifications. They now
have a title bar on the right-hand side, with a close button.
This removes the need for the "Done" button in notifications, giving us
a bit more horizontal space overall.
Design based on a mock-up from @xTibor :^)
With this patch, it's now possible to pass a Gfx::ShareableBitmap in an
IPC message. As long as the message itself is synchronous, the bitmap
will be adopted by the receiving end, and disowned by the sender nicely
without any accounting effort like we've had to do in the past.
Use this in NotificationServer to allow sending arbitrary bitmaps as
icons instead of paths-to-icons.
We currently use icon paths for this because I didn't want to deal with
implementing icon bitmap sharing right now. In the future it would be
better to post a bitmap somehow instead of a path.
Since NotificationServer is a spawn-on-demand + die-when-not-used type
of service, we can't expect a singleton connection to it to remain open
and useful.
We solve this for now by making a new IPC connection for every new
notification sent. Maybe there's a better solution for this.
This patch adds GUI::DisplayLink, a mechanism for registering callbacks
that will fire at the display refresh rate.
Note that we don't actually know the screen refresh rate, but this is
instead completely driven by WindowServer's compositing timer. For all
current intents and purposes it does the job well enough. :^)
Remember the override cursor in GUI::Window and avoid sending a message
to WindowServer when possible.
This removes a lot of synchronous IPC between Browser and WindowServer,
which noticeably improves DOM event responsiveness. :^)
Because the ID of a hidden window is 0, the window server will
fail to update them when the system theme is changed. This
manifests when an application has multiple windows, some of
which are hidden, and the system theme is changed (see
https://github.com/SerenityOS/serenity/issues/1378).
This PR changes the window code to ignore update messages if
the window has the ID 0--is hidden.
Ideally the window ID would not change, and visibility would be
managed separately.
We also clean up some old references to the old G prefixed GUI classes
This also fixes a potential bug with using: C_OBJECT_ABSTRACT(GAbstractButton)
instead of C_OBJECT_ABSTRACT(AbstractButton)
We should only detach from the cursor tracking widgets on unparenting
if they were the same widget that's being unparented!
Thanks to @agoose77 for spotting this!
Fixes#1354.
