GTK used to not emit GtkWidget::style-updated on widgets that weren't
realized. This sped up construction of complex widgetry in the early
days of GTK3 where we instantly invalidated on every change.
We don't do that anymore, so in theory (and in my limited testing with
widget-factory) this shouldn't be a prolem anymore.
What is a problem though is that postponing style-updated leads to 2
problems:
(1) Unrealized widgets will not emit style-updated which may cause them
to not properly update their state and return wrong values from
get_preferred_width/height() etc
(2) Emitting style-updated during realize can happen too late.
When a widget is not made child-visible by its parent (common
examples: notebook, paned) it will also not be realized when the
parent is initially shown. However, when they get realized later
(after a resize of the parent), they will emit style-updated (and
potentially queue a resize) during size-allocate.
https://bugzilla.gnome.org/show_bug.cgi?id=765700
Cancelling the gesture causes the last_event pointer to become
invalid. Make a copy of the event so we can keep using it
regardless of the gesture state.
At one point, the sidebar was using gtk_treeview_set_tooltip_column,
which expects tooltips to be markup. With the listbox-based sidebar,
we don't do that anymore. So don't escape the tooltip text.
https://bugzilla.gnome.org/show_bug.cgi?id=766175
We're measuring both the width of the minimal and the maximal value for
the value gadget, but only give the value the minimal width for its
current value, resultnig in an always left-aligned value.
Fix this by assigning the width of the value gadget to the value layout
and letting pango align the text inside the layout.
https://bugzilla.gnome.org/show_bug.cgi?id=766120
Menus are placed vertically by definition, it does not make much sense
to support horizontal axis for scrolling.
Use GDK_EVENT_STOP/GDK_EVENT_PROPAGATE instead of TRUE/FALSE and add a
default case to return GDK_EVENT_PROPAGATE for unhandled events.
https://bugzilla.gnome.org/show_bug.cgi?id=765939
On X11, we get both smooth and emulated scroll events, whereas other
backends such as wayland will give smooth events only with touchpad
scrolling.
Discard emulated scroll events so that we get consistent behaviours
between backends.
Allow for both horizontal and vertical smooth events for scrolling so
that horizontal scrolling still works without emulated scroll events as
well, again for consistency between gdk backends.
https://bugzilla.gnome.org/show_bug.cgi?id=765939
Some compilers we support, such as pre-2013 Visual Studio, does not support
for INIFINITY, log2() and exp2(), so check for exp2() and log2() during
configure, and use fallbacks for them and INIFINTY if they are not found.
https://bugzilla.gnome.org/show_bug.cgi?id=766207
Children tend to call back into the scrolled window while being removed
and that doesn't work too well if the scrolled window is destroyed
already as Christian Hergert found out.
Depending of float rounding during target calculation, the size of the
GtkRevealer can be set to zero will the animation is not finished.
If the GtkRevealer is in a GtkPaned, it will be hidden and so the animation
will be stopped before it is finished.
In this case, force the emission of the child-revealed signal to let
client code know the animation is finished.
https://bugzilla.gnome.org/show_bug.cgi?id=765973
This was another very frequent use of qdata. Since we typically
have only one or two display objects, storing the display-settings
association in a simple array is faster than using object data
or a hash table.
