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Incompatible Changes from GTK+-1.0 to GTK+-1.2:
* GtkAcceleratorTable has been replaced with GtkAccelGroup
* GtkMenuFactory has been replaced with GtkItemFactory, although
a version of GtkMenuFactory is provided to ease compatibility.
* GtkButton has been changed to derive from GtkBin.
To access a button's child, use GTK_BIN (button)->child, instead
of the old GTK_BUTTON (button)->child.
* The selection API has been slightly modified:
gtk_selection_add_handler() and gtk_selection_add_handler_full()
have been removed. To supply the selection, one now register
the targets one is interested in with:
void gtk_selection_add_target (GtkWidget *widget,
GdkAtom selection,
GdkAtom target,
guint info);
or:
void gtk_selection_add_targets (GtkWidget *widget,
GdkAtom selection,
GtkTargetEntry *targets,
guint ntargets);
When a request for a selection is received, the new "selection_get"
signal will be called:
void "selection_get" (GtkWidget *widget,
GtkSelectionData *selection_data,
guint info,
guint time);
A "time" parameter has also been added to the "selection_received"
signal.
void "selection_received" (GtkWidget *widget,
GtkSelectionData *selection_data,
guint time);
* The old drag and drop API has been completely removed and replaced.
See the reference documentation for details on the new API.
* Support for Themes has been added. In general, this does
not affect application code, however, a few new rules should
be observed:
- To set a shape for a window, you must use
gtk_widget_shape_combine_mask() instead of
gdk_window_shape_combine_mask(), or the shape will be
reset when switching themes.
- It is no longer permissable to draw directly on an arbitrary
widget, or to set an arbitrary widget's background pixmap.
If you need to do that, use a GtkDrawingArea or (for a
toplevel) the new GtkDrawWindow widget.
* The ScrolledWindow widget no longer creates a Viewport
automatically. Instead, it has been generalized to accept
any "self-scrolling" widget.
The self-scrolling widgets in the Gtk+ core are GtkViewport,
GtkCList, GtkCTree, GtkText, and GtkLayout. All of these widgets can
be added to a scrolled window as normal children with
gtk_container_add() and scrollbars will be set up automatically.
To add scrollbars to a non self-scrolling widget, (such as a GtkList),
first add it to a viewport, then add the viewport to a scrolled window.
The scrolled window code provides a convenience function to do this:
void gtk_scrolled_window_add_with_viewport (GtkScrolledWindow *scrollwin,
GtkWidget *child);
This does exactly what it says - it creates a Viewport, adds the child
widget to it, then adds the Viewport to the scrolled window.
The scrollbars have been removed from the GtkCList and GtkCTree,
because they are now scrolled by simply adding them to a Scrolled
Window. The scrollbar policy is set on the scrolled window with
gtk_scrolled_window_set_policy() and not on the child widgets
(e.g. GtkCList's gtk_clist_set_policy() was removed).
* the GTK_BASIC flag got removed, and with it the corresponding
macro and function GTK_WIDGET_BASIC() and gtk_widget_basic().
* all freeze/thaw methods in gtk work in an incremental way now.
code portions like:
gboolean frozen;
frozen = GTK_CLIST_FROZEN (clist);
gtk_clist_freeze (clist);
[...]
if (!frozen)
gtk_clist_thaw (clist);
will not work anymore, they have to be modified to simply:
gtk_clist_freeze (clist);
[...]
gtk_clist_thaw (clist);
* All functions matching g_message* are deprecated
* Functions *_interp are deprecated, *_full variants are available
instead
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