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We need to store the region *before* adding our own damage area, because
we want to only store the changes of this frame, not the whole history.

So do it in the same place Vulkan does it.

Fixes #1900

If we want the model items to be listmodels, we don't need to do a ==
comparison. We need to do g_type_is_a(). Implementations of listmodels
are obviously fine.

pid_get_parent: fix for OpenBSD

See merge request !841

This fixes a long standing bug in pid_get_parent on OpenBSD (which was mine
so... my fault). kp wasn't properly allocated and the function could return
random failures.

key controller: Don't eat modifier events

Closes #1884

See merge request !839

The key controller was consuming key events
for modifier keys, for no entirely convincing
reason, which leads to problems when somebody
actually listens for those, such as the simple
input method does for C-S-u processing.

Closes: #1884

dialog: Use default decoration for non-custom headerbars

See merge request !836

Wip/otte/for master

See merge request !838

This way, we don't have to duplicate code.

Plus, we can ensure to clear the erroneously parsed value that should
not be used.

We want to be able to clear the already parsed contents, because we need
to do that when somebody parses the same property twice.

There are two ways GTK can add a headerbar to a dialog:

 - the dialog is constructed with the :use-header-bar property

 - all windows should use client-side decorations

In the first case, the headerbar is added by GtkDialog with no
dedicated style class, and in the latter by GtkWindow with the
"default-decoration" style.

As a result, dialogs with plain titlebars can end up with clearly
distinct and inconsistent styles.

To address this, allow headerbars to track whether they should use
the "default-decoration" style and enable it for dialogs.

!836

The handling of page visibility broke when the dialog
was ported to GtkStackPage in 52b83ac5.

Closes: #1877

Commit 3b62d9c0 was a bit overzealous in
removing not just the public API for activating the focus
widget, but also the plumbing needed to make the keybinding
work.

Closes: #1879

Wip/otte/for master

See merge request !832

Nobody wants to render transparent text.

We don't want to return a GFile because GFile can't handle can't deal
with data: urls.
That makes the code a bit more complicated that doesn't deal with those
URLs, but it makes the other code actually work.

GtkCssImageUrl also now decodes data urls immediately instead of only at
the first load. So don't use data urls if you care about performance.

Instead of trying to do error handling manually, use the semicolon
blocks feature provided by GtkCssParser.

When we're at the end of a block and gtk_css_parser_get_token() returns
NULL, gtk_css_parser_commit_token() still consumed the next token.

It does not anymore.

This does not affect the CSS parser, but it exposes issues with the
render parser, which previously just consumed too many closing } tokens
in the past.

The calls used old bugzilla URLs and nobody cared about that.
So apparently they are very unused.

There's also a potential conflict between gitlab and bugzilla URLs and
what base bug to use there.

The old usages have been converted to comments.

Don't just report the first one.

Continue running the test, just mark it as a failure.

Instead of encoding the raw data, encode the full image to a PNG.
And instead of stuffing that encoding into a string, use a full
data: url.
And then remove the width and height properties, because they're now
implicitly included in the data.
And then change the parser to match.
And because the parser now parses regular urls on top of data: urls, we
can now load any random file.

This surprisingly decodes data URLs.

CI: update docker image to Fedora 30

See merge request !802

So we don't have to build glib as a subproject.

We no longer create settings on demand.

We no longer do this.

Scaling down is fine so one can see the nodes, but scaling up just
makes the nodes wrong for no reason at all.

I meant to do this before merging the profiler
support. Somehow the commit got lost.

Sysprof is bumping its name to Sysprof3, so
lets change to that before this gets used.