Otherwise the gtk_grab_remove() calls on widget destruction will happen
on the default window group, which may leave the real window group
of the popover with a dangling pointer if it is not the default one.
This could be seen on the inspector, open a popover in the properties
list and close the window with alt-F4.
Under X11, popovers are always constrained to the toplevel
window. Under Wayland, they aren't. This commit adds a
property that allows to explicitly constrain popovers to
the toplevel, giving them the same behavior under Wayland
as under X11.
https://bugzilla.gnome.org/show_bug.cgi?id=757474
Call gtk_popover_update_position instead which will pick up the new
transition_diff value and pass it on to
_gtk_window_set_popover_position, which in turn will move the window
correctly.
https://bugzilla.gnome.org/show_bug.cgi?id=755435
These days exposure happens only on the native windows (generally the
toplevel window) and is propagated down recursively. The expose event
is only useful for backwards compat, and in fact, for double buffered
widgets we totally ignore the event (and non-double buffering breaks
on wayland).
So, by not setting the mask we avoid emitting these events and then
later ignoring them.
We still keep it on eventbox, fixed and layout as these are used
in weird ways that want backwards compat.
Instead, inherit style from toplevel (because that's the default way,
not because it makes lots of sense).
This way, popovers don't inherit the styling from the widget that popped
them up, which is a problem in selected listbox rows, selection-mode
headerbars.
It also doesn't inherit styling where we might want it, like the osd.
But we can only have one of the two things.
This behavior has been made optional on add_popover() time, text handles
will keep being able to overflow the window, in order to allow text
selection on views too close to the window edge.
Regular GtkPopovers are reinstaurated to the previous size positioning
logic though, that is, limited by the visible area of the window.
This will be the widget that the popover relates to (::pointing-to in
GtkPopover, ::parent in GtkTextHandle).
Additional API to check the popover/parent relationship between widgets
has been added, which will be useful wherever this is necessary in a
generic manner.
https://bugzilla.gnome.org/show_bug.cgi?id=750993
Due to popover modality itself, there's quite high chances the popover
stealing focus has been triggered from within, so stay friendly to it.
Hiding the popover here will only hide the grabbing popover too if this
happens.
https://bugzilla.gnome.org/show_bug.cgi?id=750741
The check used to hide the popover if the pointed area fell partly out of
the widget allocation, textviews now can trigger that with text selections
too close to the visible edge, as a small extra area around is now reserved.
The check has been changed to only hide the popover if the pointed area
falls completely outside the widget allocation.
Add a new API, gtk_popover_set_default_widget, that can be
used to make a widget act as default while the popover is
shown. This is useful in dialog-like popovers.
http://bugzilla.gnome.org/show_bug.cgi?id=747664
cairo_rectangle_int_t was replaced by GdkRectangle in commit
552c29b488, but the type of the pointing-to
property was not changed.
To avoid breaking old code that sets or gets the property with a GValue
of type CAIRO_GOBJECT_TYPE_RECTANGLE_INT, transformation functions between
CAIRO_GOBJECT_TYPE_RECTANGLE_INT and GDK_TYPE_RECTANGLE are registered on
the first call to gdk_rectangle_get_type().
https://bugzilla.gnome.org/show_bug.cgi?id=723394
These have the same visual effect and timing than the gnome-shell ones.
During the hide animation, the popover has been made to take focus
elsewhere, and refuse to take any pointer/keyboard input until the popover
is shown again.
This has been based on work from Timm Bäder.
https://bugzilla.gnome.org/show_bug.cgi?id=741405
On the wayland backend, set up GDK_WINDOW_SUBSURFACE windows
for popovers. In the popover code, the popover-relative-to-parent
calculation had to be tweaked, and it's been made to always prefer
the given popover position, since there's no sizing limitations.
https://bugzilla.gnome.org/show_bug.cgi?id=738891
All popover sides have extra margins to possibly hold the tail, this is
accounted for in gtk_popover_get_rect_coords(), and should be accounted
for too in the tail position calculation.
This fixes the gtk_render_frame_gap() warnings seen when a popover is
pushed far too close to window sides.
If the previous focus widget is unmapped (eg. hidden, scheduled for
destruction, etc), make the popover forget about it and grant focus
back to the window itself.
gtk_window_propagate_key_event() will run unstopped from the focus widget up to the
popover if GDK_EVENT_PROPAGATE was returned along the chain, resulting in infinite
recursion. This could be just triggered by pressing some modifier key on an entry...
This is the expected behavior while the popover keeps the grab, leaving
this up to the toplevel implementation gives place to key handlers
connected there to handle the event otherwise, and maybe redirect key
events somewhere else.
During size request, all sides' margins are ensured to be as big
as TAIL_HEIGHT, just to avoid possible relocation loops if the
popover doesn't fit in its original position. This must be
accounted for in size_allocate() as well.
