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GLib 2.38.0
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Ryan Lortie
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129
NEWS
129
NEWS
@ -1,3 +1,132 @@
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What's new in Glib 2.38
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========================
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* Application support
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- GIO now provides an implementation of Desktop Actions from the
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desktop entry specification
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- GApplication now implements the org.freedesktop.Application
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interface as per the desktop entry specification, allowing for
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standards-based D-Bus launching of GLib-based applications
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- GDesktopAppInfo now supports DBusActivatable as per the desktop
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entry specification, allowing GLib-based applications to use D-Bus
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to launch other applications
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- GApplication now has a "busy" flag that can be set on an application
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to allow the shell to show that it is busy
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* GObject
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- the private offset for a given class type is now always constant.
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This was done by reorganising the memory layout of instances so that
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the private data comes before the "official" pointer for the object
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(ie: at a negative offset). Valgrind macros were added to mitigate
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any problems that this may have caused.
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- a new G_DEFINE_TYPE_WITH_PRIVATE has been added along with a
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generated function *_get_instance_private() that can now serve as an
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equally-performing alternative to ->priv pointers in instances
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(allowing memory savings)
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- new G_PRIVATE_FIELD, G_PRIVATE_FIELD_P and G_PRIVATE_OFFSET macros
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provide a convenient method of converting between named variables in
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private structures and their (now constant) offsets
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- installing properties on a GObjectClass must now be done from
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class_init. It is no longer valid to install them after class_init
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has returned.
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- it is now possible to manually break a GObject property binding
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without destroying one of the objects involved
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* Icons
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- the requirements for implementing the GIcon interface have changed
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in order to make it possible to consume all implementations of GIcon
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with a finite number of cases
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- a new GBytesIcon type was added for an icon represented by an
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in-memory binary blob in a known image format (ideally png).
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- new APIs g_icon_serialize() and g_icon_deserialize() replace the old
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to/from_string APIs and will always work, irrespective of which
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types have been initialised in the calling process, allowing for a
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serialised GdkPixbuf to be deserialised in a process that doesn't
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have GdkPixbuf
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- support for icons has been added to GMenuModel using the new APIs
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* Actions and menus
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- GPropertyAction provides a convenient way of creating a stateful
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property corresponding to a property on a GObject, such as the
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"visible-child-name" property of a GtkStack
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- new API g_menu_remove_all()
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- we now have established rules about what is a "valid" action name
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and an API to check them
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- a new API for converting detailed action names to and from the
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split-out name and parameter value (as GVariant)
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- for backwards compatibility, invalid action names can still be used
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with most functions, but this is not recommended
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* Other GIO
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- GDBus now supports services that wish to handle some of all
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properties on an interface asynchronously, without requiring the
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service to reimplement the entire org.freedesktop.DBus.Properties
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interface
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- GFile now has a new _measure_disk_usage() (and async) API for
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recursively determining the amount of disk space used by a
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particular directory (akin to 'du').
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- asynchronous version of g_file_trash() and g_file_make_directory()
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have been added
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* Other new API
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- GRegex has a new function to query the maximum lookbehind length to
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allow for regexp matching on streams
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- GVariant has two new APIs for constructing strings that allow
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avoiding copies in some cases: g_variant_new_take_string() and
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g_variant_new_printf()
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* Testing
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- we can now generate TAP output
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- new support functions for simplifying the process of dealing with
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data files for srcdir != builddir and installed test cases
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- g_test_trap_subprocess() provides a portable alternative to
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g_test_trap_fork()
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* Other
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- GLib now builds on Android against the bionic C library
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Overview of changes from GLib 2.37.93 to 2.38.0
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================================================
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* fix the documentation for GSourceFuncs
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* fix compilation on OS X/ppc64
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Bugs fixed: 708445, 647145
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Translations updated:
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Danish
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French
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Portuguese
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Punjabi
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Overview of changes from GLib 2.37.92 to 2.37.93
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================================================
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@ -30,8 +30,8 @@ m4_define(glib_configure_ac)
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# <mclasen> on the unstable (ie master), interface age = 0
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m4_define([glib_major_version], [2])
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m4_define([glib_minor_version], [37])
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m4_define([glib_micro_version], [93])
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m4_define([glib_minor_version], [38])
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m4_define([glib_micro_version], [0])
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m4_define([glib_interface_age], [0])
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m4_define([glib_binary_age],
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[m4_eval(100 * glib_minor_version + glib_micro_version)])
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