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Querying the position of unmapped windows may or may not return a valid
position. -- the configure handler is also called after hiding a window.
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We not only need to make sure the iterator remains valid, but also
the object pointed to.
Valgrind trace:
Invalid read of size 8
Gtkmm2ext::Pane::forall_vfunc(int, void (*)(_GtkWidget*, void*), void*) (pane.cc:617)
Gtk::Container_Class::forall_vfunc_callback(_GtkContainer*, int, void (*)(_GtkWidget*, void*), void*)
gtk_container_destroy (gtkcontainer.c:1073)
g_closure_invoke (gclosure.c:804)
...
g_object_run_dispose (gobject.c:1084)
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* Skip calling allocate on recently hidden children.
* Don't [temporarily] call size_allocate with negative sizes
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Gtkmm2Ext::Pane::on_add() uses a pointer to a std::vector<> element
in the destroy notify callback. If the vector is modified, that pointer
becomes invalid.
Add 2 widgets "A", "B". remove "B", add another one "C".
Now if A is destroyed, notify_child_destroyed(PTR) points to
invalid memory and not to "A".
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* enforce minimum size of child widgets
* honor manually set child-minsize in size-requests
* ignore hidden children (eg. VCA)
* clamp divider position (instead of just ignoring out-of-bounds moves)
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Gtk::Widget_Class::dispose_vfunc_callback calls hide() which invokes
Pane::handle_child_visibility which calls Pane::reallocate which
tries to get the allocation of the widget being destroyed.
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Command, everywhere.
The default version of GTK2/Quartz uses MOD2+META for keys and MOD2 for scroll, which is
basically insane
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This reverts commit 6015481377bc7c96d7e09b263a18b285fe2fc282.
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This fixes fixes TimeInfoBox packing when the InfoBox position changes.
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Windows key generates Mod4+Super (at least with the version of Gdk we use on
linux) so for bindings using the Windows key to work, GDK_SUPER_MASK has to be
added to modifier mask.
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element has been erased'
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For the last time, because of how GDK works, Keyboard::PrimaryModifier on MacOS MUST include MOD2 ***AND** META
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file format (ver 5) rather than the older v3 format
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between ambiguous type names
so... given that 'Rectangle' is a type name that's commonly found in several different namespaces, we'll need to specify explicitly which one we want.
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The code computing the position of the popup menu used to compare the
given string to each MenuItem::get_label() result, but that method
actually replaces the content (child) of the MenuItem if that child is
not already a Gtk::Label. In particular, this breaks menu separators.
Avoid the issue by checking by hand if the only child of the MenuItem is
a Label, and directly compare the label text.
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Because all uses of the function positioning menus anchored to a widget
were as callback argument to Gtk::Menu::popup() where the caller needed
to correctly bind arguments, this led to repeated and a bit obscure code.
Wrap the logic into an helper function that takes care of all that, and
update the callers.
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- fixes bug where changing prefs in User Interaction
only took effect on restart.
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So that it can be used by others.
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Glib::RefPtr defines the operator bool() as explicit which breaks
comparisons like "some_ref_ptr == 0" or "... != 0".
https://bugzilla.gnome.org/show_bug.cgi?id=769502
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In some circumstances UI::flush_pending never returns, and all UI
interactive ends up being driven by
while (gtk_events_pending()) { gtk_main_iteration(); }
This has various implications depending on the caller and usually results
in a crash at session-close or exit.
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this correctly
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back the META modifer that GTK expects
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Code to check if we were to close to an edge (for window resizing) blocked all divider setting,
because it would be called with a current widget allocation of 1x1
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unnecessary errors
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