Mon Nov 10 00:40:41 2003 Matthias Clasen <maclas@gmx.de>
* gtk/gtkeventbox.c (gtk_event_box_set_above_child):
Remember the new value in all cases. (#126276, Damon Chaplin)
Sat Nov 8 21:59:30 2003 Matthias Clasen <maclas@gmx.de>
* gtk/gtkeventbox.c (gtk_event_box_class_init): Let
visible-window default to TRUE, as documented and
implemented. (#126270 Damon Chaplin)
Sun Oct 5 22:38:22 2003 Matthias Clasen <maclas@gmx.de>
* gtk/gtkeventbox.c (gtk_event_box_class_init): Trim whitespace in
"visible-window" blurb. (#123910, Christian Rose)
2003-09-08 Alexander Larsson <alexl@redhat.com>
* gtk/gtkeventbox.[hc]:
Implement gtk_event_box_get/set_input_only()
* tests/testgtk.c:
Tests for the new input only event boxes
Wed Jul 18 19:28:46 2001 Owen Taylor <otaylor@redhat.com>
* gtk/*.c: Patch from Matthias Clasen to remove remove
all instances of g_return_if_fail (foo != NULL); that are
immediately before a g_return_if_fail (GTK_IS_FOO (foo));
since the second check catches the NULL anyways.
Wed Jul 26 12:59:31 2000 Tim Janik <timj@gtk.org>
* *.[hc]: applied patch from Andreas Persenius <ndap@swipnet.se> that
updates the license headers to the GNU Lesser General Public License,
as well as updating the copyright year to 2000.
Sun Feb 7 19:49:21 1999 Owen Taylor <otaylor@redhat.com>
* gtk/gtkwindow.c (gtk_window_move_resize): Fixed some
bugs with set_default_size.
Sat Feb 6 13:23:51 1999 Owen Taylor <otaylor@redhat.com>
* docs/Changes-1.2.txt: Added information about
the change to gtk_widget_size_request().
* gtk/gtkentry.c: Call gtk_widget_get_child_requisition
explicitely since we differentiate between the usize
set by the user and what we got. (Ugh)
* gtk/gtkwidget.[ch] (gtk_widget_get_child_requisition):
New function to return the effective size of a widget
as it looks to its parent.
* gtk/gtkwidget.c (gtk_widget_size_request): Leave
widget->requisition set to exactly what the widget
asked for, and then make a copy of that into
the requisition argument. Allow a NULL requisition
argument, and, if G_ENABLE_DEBUG, warn if
requisition == &widget->requisition.
* gtkalignment.c gtkaspectframe.c gtkbutton.c gtkclist.c
gtkcontainer.c gtkentry.c gtkeventbox.c gtkfixed.c
gtkframe.c gtkhandlebox.c gtkhbox.c gtkhpaned.c
gtklayout.c gtklist.c gtklistitem.c gtkmenu.c
gtkmenubar.c gtkmenuitem.c gtknotebook.c
gtkoptionmenu.c gtkpacker.c gtkscrolledwindow.c
gtktable.c gtktoolbar.c gtktree.c gtktreeitem.c
gtkvbox.c gtkviewport.c gtkvpaned.c gtkwindow.c
Avoid calling gtk_widget_size_request with
requisition == widget->requisition; use
gtk_widget_get_child_requisition to get the
size of children.
Fri Jan 15 10:22:21 1999 Owen Taylor <otaylor@redhat.com>
* gtk/gtkwidget.c (gtk_widget_class_init):
nparams for selection_get should be 3, not 2.
[ From Damon Chaplin <damon@karuna.freeserve.co.uk> ]
* gtk/gtkeventbox.c (gtk_event_box_paint): Add a paint
routine so queued redraws work inside event boxes.
Thu Jan 14 17:47:37 1999 Owen Taylor <otaylor@redhat.com>
* gtk/gtkentry.c (gtk_entry_draw_cursor_on_drawable): Only
redraw character under cursor when not displaying
highlighted selection.
* gdk/gdkrgb.c (gdk_rgb_init): Add in a cast to
gpointer to make IRIX cc happy.
Thu Jan 14 12:29:50 1999 Owen Taylor <otaylor@redhat.com>
* gtk/gtkcheckbutton.c (gtk_check_button_draw): Restructure
the drawing code to remove a bit of duplication -
and to remove a call to gtk_widget_draw_focus()
that queues a redraw when an expose occurs.
* gtk/gtklabel.c (gtk_label_expose): Fix up handling
of ypadding.
* gtk/gtknotebook.c (gtk_notebook_draw): If we redraw
the whole widget, also redraw the corresponding
areas of the child widget. (have_visible_child
still has some problems)
* gdk/gdkpixmap.c: Change some g_new's to g_new0 so
that fields unused for pixmaps get initialzized
sanely.
* gdk/gdk.h gdk/gdkwindow.c gdk/gdkprivate.h: Add new calls
gdk_window_is_visible() and gdk_window_is_viewable()
and a mapped flag to the window private structure.
* gtk/gtkbin.c gtk/gtkclist.c gtk/gtkfixed.c gtk/gtkitem.c
gtk/gtklayout.c gtk/gtklist.c gtk/gtkmenushell.c
gtk/gtknotebook.c gtk/gtkpaned.c gtk/gtktree.c
gtk/gtktreeitem.c gtk/gtkviewport.c:
Map windows after mapping children.
* gtk/gtkwidget.c (gtk_widget_clip_rect): Handle
rectangles completely clipped away correctly.
* gtk/gtkwidget.c (gtk_widget_idle_draw): Don't
call gtk_widget_draw if width or height is 0.
* gtk/gtkwidget.c (gtk_widget_idle_draw): Don't
rely on GTK_REDRAW_PENDING after we've cleared
it. (This was causing draw-combining to not
happen at all).
* gtk/gtkbin.c gtk/gtkscale.c: Remove uneccessary calls
to gtk_widget_queue_draw() when mapping.
I submitted this patch twice to gtk-devel-list, and received no comments, so
am committing it. Although not exhaustively tested, I have been using this
gtk+ for a week w/o problems, and I did read the code to ensure that nothing
ever writes to these data structures. If by chance people encounter SEGV's in
gtk+ code that is setting values in global data structures, this patch could
be a possible culprit.
1998-11-30 Elliot Lee <sopwith@cuc.ml.org>
* {gdk,gtk}/*.c: Make read-only data structures "static const" to
allow them to be shared, mainly including (but not limited to) the
GtkTypeInfo structures for each class.
* gtk/gtkfilesel.c: Add /net to the "leave me alone" directory listing.
Sun Nov 22 16:21:28 1998 Tim Janik <timj@gtk.org>
* gtk/gtkprogress.c: added args ::show_text, ::text_xalign,
::text_yalign, ::activity_mode.
* gtk/gtkprogressbar.c: added construct arg ::adjustment. added args
::bar_style, ::orientation, ::discrete_blocks, ::activity_step,
::activity_blocks.
(gtk_progress_bar_new):
(gtk_progress_bar_new_with_adjustment): use gtk_widget_new().
(gtk_progress_bar_construct): deprecated.
* gtk/gtkvscrollbar.c:
(gtk_vscrollbar_draw_step_back):
(gtk_vscrollbar_draw_step_forw): use "vscrollbar" as detail for
gtk_paint_arrow, to be consistent with hscrollbar.
* gtk/gtktext.c
added construct args ::hadjustment, ::vadjustment.
added args ::line_wrap, ::word_wrap.
(gtk_text_class_init): added scroll_adjustments signal.
(gtk_text_new): use gtk_widget_new.
(gtk_text_disconnect): remove adjustement with gtk_text_set_adjustments,
so we don't screw the reference counts and don't leave signals connected.
(gtk_text_destroy): disconnect adjustments signals.
(gtk_text_finalize): unref adjustments.
* gtk/gtkctree.c: added construct args ::n_columns and ::tree_column.
added args ::indent, ::spacing, ::show_stub, ::reorderable,
::use_drag_icons, ::line_style and ::expander_style.
(gtk_ctree_set_show_stub): renamed from gtk_ctree_show_stub, which is
deprecated now.
* gtk/gtkclist.h: remove GTK_CLIST_CONSTRUCT flag.
* gtk/gtkclist.c:
removed ::vadjustment and ::hadjustment args, introduced
::scroll_adjustments signal.
added ::shadow_type, ::selection_mode and ::row_height args.
added n_columns construct arg.
(gtk_clist_construct): call gtk_object_constructed().
(gtk_clist_set_row_height): if height is passed as 0,
revert to automatic height calculation.
(gtk_clist_destroy): before unrefing the adjustments, disconnect our
signal handlers.
Fri Nov 21 22:34:58 1998 Tim Janik <timj@gtk.org>
* gtk/gtkwidget.c (gtk_widget_new): call gtk_object_default_construct
like gtk_object_new.
(gtk_widget_destroy): assert that we only destroy constructed widgets.
* gtk/gtkobject.h (enum GtkArgFlags): new flag GTK_ARG_CONSTRUCT_ONLY
to identify args that may only be used for construction.
GTK_ARG_CONSTRUCT maybe used as normal arguments besides construction
time.
* gtk/gtkobject.c (gtk_object_new): invoke gtk_object_default_construct
at the end if the object is not fully constructed.
(gtk_object_newv): likewise.
(gtk_object_destroy): assert that we only destroy constructed objects.
(gtk_object_init): setup GTK_CONSTRUCTED from the
objects real klass.
(gtk_object_default_construct): new function to complete default
construction of an object by applying missing construtor args with
default values of 0, 0.0 or NULL.
(gtk_object_constructed): new function to mark an object as being
constructed (used from within constructors).
* gtk/gtkarg.c (gtk_arg_type_new_static): return the args info pointer
so it is immediatedly available for the caller.
* gtk/gtktypeutils.c (gtk_type_new): pass an object's real class to
the object initilizer (GtkObjectInitFunc takes a second arg now, the
real klass), and asure that object initializers may temporarily alter
the class pointer.
Fri Nov 20 08:00:30 1998 Tim Janik <timj@gtk.org>
* gtk/testgtk.c: change all occourances of gtk_container_add (
scrolled_window, widget) to gtk_scrolled_window_add_with_viewport (...)
for widget!=(clist, ctree, text, viewport).
* gtk/gtkcombo.c:
(gtk_combo_init): use gtk_scrolled_window_add_with_viewport()
to add children to the scrolled window.
* gtk/gtkscrolledwindow.h:
* gtk/gtkscrolledwindow.c:
changed scrolled_window->viewport to scrolled_window->child, and use
gtk_widget_scroll_adjustements() to set the scroll adjustments for the
widget, we do not create an additional viewport anymore.
added ::hadjustment and ::vadjustment constructor args.
(gtk_scrolled_window_new): use gtk_widget_new() to create the widget.
(gtk_scrolled_window_set_hadjustment):
(gtk_scrolled_window_set_vadjustment): new functions that superceed
gtk_scrolled_window_construct.
(gtk_scrolled_window_construct): deprecated this function.
* gtk/gtkhscrollbar.c:
* gtk/gtkvscrollbar.c:
* gtk/gtkhscale.c:
* gtk/gtkvscale.c:
support a constructor arg "::adjustment", and use gtk_widget_new() for
the widget creation.
* gtk/gtkrange.c: added ::update_policy arg.
(gtk_range_set_adjustment): if adjustment is passed in as NULL, create
a default adjustment so this function can be used for derived widgets
that depend on the adjustment's existance.
(gtk_range_destroy): disconnect the adjustment signal, so we don't
get called after we got destroyed, we don't destroy the adjustment
in here, because it might have been provided from another widget.
* gtk/gtkviewport.c: introduced ::scroll_adjustments signal.
(gtk_viewport_destroy): same as gtk_range_destroy.
* gtk/gtkprogress.c (gtk_progress_destroy): same as gtk_range_destroy.
* gtk/gtkwidget.h:
* gtk/gtkwidget.c: changed gtk_widget_activate() to return a
gboolean, indicating whether this widget supports activation.
added gtk_widget_scroll_adjustements() to set the scrolling
adjustments of a widget.
Wed Nov 19 01:22:42 1998 Tim Janik <timj@gtk.org>
* gtk/gtkoptionmenu.c:
(gtk_option_menu_remove_contents):
(gtk_option_menu_update_contents): removed
gtk_container_[un]block_resize() pairs.
* gtk/gtknotebook.h:
* gtk/gtknotebook.c: removed the tab_border field, since it shouldn't
be used outside of gtknotebook.c anyways. made ARG_TAB_BORDER a
wrtie-only argument.
* *.c: made deprecated functions issue a message:
gtk_clist_set_border, gtk_container_block_resize,
gtk_container_unblock_resize, gtk_container_need_resize,
gtk_object_class_add_user_signal, gtk_spin_button_construct,
gtk_scrolled_window_construct.
removed non-functional functions:
gtk_container_disable_resize, gtk_container_enable_resize,
gtk_clist_set_policy.
Wed Nov 18 22:54:36 1998 Tim Janik <timj@gtk.org>
* gtk/gtkbox.c (gtk_box_init):
* gtk/gtkdrawingarea.c (gtk_drawing_area_init):
* gtk/gtkeventbox.c (gtk_event_box_init):
* gtk/gtkfixed.c (gtk_fixed_init):
* gtk/gtkframe.c (gtk_frame_init):
* gtk/gtkhandlebox.c (gtk_handle_box_init):
* gtk/gtkpacker.c (gtk_packer_init):
* gtk/gtkmisc.c (gtk_misc_init):
* gtk/gtkpreview.c (gtk_preview_init):
* gtk/gtkprogress.c (gtk_progress_init):
* gtk/gtkprogressbar.c (gtk_progress_bar_init):
* gtk/gtkseparator.c (gtk_separator_init):
* gtk/gtktable.c (gtk_table_init):
* gtk/gtkviewport.c (gtk_viewport_init):
* gtk/gtkalignment.c (gtk_alignment_init):
removed setting of the GTK_BASIC flag.
* gtk/gtkwidget.h:
* gtk/gtkwidget.c:
removed GTK_BASIC, GTK_WIDGET_BASIC and gtk_widget_basic.
* miscellaneous GtkType and macro fixups.
Sat Jul 4 13:16:24 1998 Tim Janik <timj@gtk.org>
* gtk/*.c: changed reversed_[12] to reserved_[12] in gtk_*_get_type
functions.
* gdk/gdkwindow.c:
* gdk/gdkvisual.c: check for some pointer values to be != NULL, prior
to XFree() calls.
Sun Jun 28 04:29:10 1998 Tim Janik <timj@gtk.org>
* gtk/gtktypeutils.c (gtk_type_class_init): call the base class init
fucntions from all parent types upon class initialization.
* gtk/gtkcontainer.c:
(gtk_container_get_type): announce gtk_container_base_class_init to
the type system.
(gtk_container_base_class_init): new function to feature base class
initialization.
(gtk_container_get_child_arg):
(gtk_container_set_child_arg): call the GtkContainerClass get_child_arg
and set_child_arg methods of the class indicated through the argument
name.
* gtk/gtkobject.c:
(gtk_object_base_class_init): new function to feature base class
initialization.
(gtk_object_init_type): announce gtk_object_base_class_init to the type
system.
(gtk_object_class_init): setup the get_arg and set_arg pointers for
GtkObjectClass.
(gtk_object_setv):
(gtk_object_getv): call the GtkObjectClass get_arg and set_arg methods,
instead of bothering the type system with this.
* gtk/gtkaccellabel.c:
* gtk/gtkbutton.c:
* gtk/gtkradiobutton.c:
* gtk/gtktable.c:
* gtk/gtktogglebutton.c:
* gtk/gtktipsquery.c:
* gtk/gtkbox.c:
* gtk/gtkpacker.c:
* gtk/gtkwidget.c:
* gtk/gtkwindow.c:
* gtk/gtkframe.c:
* gtk/gtkmisc.c:
* gtk/gtklabel.c: set the object_class->{g|s}et_arg pointers to the
corresponding gtk_*_{g|s]et_arg functions and updated the gtk_*_get_type
functions wrt GtkTypeInfo initialization. changed a lot of the set/get
arg functions to take a GtkObject argument.
gtk/gtkadjustment.c:
gtk/gtkalignment.c:
gtk/gtkarrow.c:
gtk/gtkaspectframe.c:
gtk/gtkbbox.c:
gtk/gtkbin.c:
gtk/gtkcheckbutton.c:
gtk/gtkcheckmenuitem.c:
gtk/gtkclist.c:
gtk/gtkcolorsel.c:
gtk/gtkcombo.c:
gtk/gtkctree.c:
gtk/gtkcurve.c:
gtk/gtkdata.c:
gtk/gtkdialog.c:
gtk/gtkdrawingarea.c:
gtk/gtkeditable.c:
gtk/gtkentry.c:
gtk/gtkeventbox.c:
gtk/gtkfilesel.c:
gtk/gtkfixed.c:
gtk/gtkfontsel.c:
gtk/gtkgamma.c:
gtk/gtkhandlebox.c:
gtk/gtkhbbox.c:
gtk/gtkhbox.c:
gtk/gtkhpaned.c:
gtk/gtkhruler.c:
gtk/gtkhscale.c:
gtk/gtkhscrollbar.c:
gtk/gtkhseparator.c:
gtk/gtkimage.c:
gtk/gtkinputdialog.c:
gtk/gtkitem.c:
gtk/gtkitemfactory.c:
gtk/gtklist.c:
gtk/gtklistitem.c:
gtk/gtkmenu.c:
gtk/gtkmenubar.c:
gtk/gtkmenuitem.c:
gtk/gtkmenushell.c:
gtk/gtknotebook.c:
gtk/gtkoptionmenu.c:
gtk/gtkpaned.c:
gtk/gtkpixmap.c:
gtk/gtkpreview.c:
gtk/gtkprogressbar.c:
gtk/gtkradiomenuitem.c:
gtk/gtkrange.c:
gtk/gtkruler.c:
gtk/gtkscale.c:
gtk/gtkscrollbar.c:
gtk/gtkscrolledwindow.c:
gtk/gtkseparator.c:
gtk/gtkspinbutton.c:
gtk/gtkstatusbar.c:
gtk/gtktext.c:
gtk/gtktoolbar.c:
gtk/gtktooltips.c:
gtk/gtktree.c:
gtk/gtktreeitem.c:
gtk/gtkvbbox.c:
gtk/gtkvbox.c:
gtk/gtkviewport.c:
gtk/gtkvpaned.c:
gtk/gtkvruler.c:
gtk/gtkvscale.c:
gtk/gtkvscrollbar.c:
gtk/gtkvseparator.c: updated the GtkTypeInfo initialization code to
match the modified GtkTypeInfo structure.
Wed Jun 24 14:14:32 1998 Tim Janik <timj@gtk.org>
* gtk/gtkcontainer.c: new function gtk_container_child_arg_set, similar
to gtk_container_child_arg_setv, but takes a variable argument list.
new function gtk_container_get_child_arg_type, which is needed by
gtk_object_collect_args.
* gtk/gtkobject.c: changed prototype for gtk_object_collect_args, to
take a function pointer to figure the argument type.
adapted callers to pass gtk_object_get_arg_type.
* gtk/gtkwidget.c: adapted gtk_object_collect_args callers to pass
gtk_object_get_arg_type..
* gtk/gtkpacker.h:
* gtk/gtkpacker.c:
(gtk_packer_reorder_child): new function to change the packing order
of a child.
(gtk_packer_size_request):
(gtk_packer_size_allocate): take container->border_width into acount.
* gtk/gtkpacker.c: implemented widget arguments:
"GtkPacker::spacing", "GtkPacker::border_width", "GtkPacker::pad_x",
"GtkPacker::pad_y", "GtkPacker::ipad_x", "GtkPacker::ipad_y".
implemented child arguments:
"GtkPacker::side", "GtkPacker::anchor", "GtkPacker::expand",
"GtkPacker::fill_x", "GtkPacker::fill_y", "GtkPacker::use_default",
"GtkPacker::border_width", "GtkPacker::pad_x", "GtkPacker::pad_y",
"GtkPacker::ipad_x", "GtkPacker::ipad_y", "GtkPacker::position".
* gtk/gtkmisc.c (gtk_misc_set_arg): for padding args, set the padding,
not the alignment.
* gtk/gtkeventbox.h:
* gtk/gtkeventbox.c: GtkType and macro fixups.
* gtk/testgtk.c (entry_toggle_sensitive): new function to toggle
sensitivity of an entry.
* gtk/gtkstyle.c (gtk_style_new): support normal grey as default color
for insensitive base.
* gtk/gtkentry.c (gtk_entry_realize): set the window backgrounds
widget state dependent.
(gtk_entry_style_set): likewise.
(gtk_entry_state_changed): set background color on state changes.
(gtk_entry_draw_text): for non selected text, use state dependent
colors.
* gtk/gtktogglebutton.c: support for widget arguments
"GtkToggleButton::active" and "GtkToggleButton::draw_indicator".
Sat May 23 17:48:58 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkeventbox.c (gtk_event_box_size_allocate):
Locate child at (border_width,border_width), not
(2*border_width,2*border_width). [ The border is _outside_
widget->window ]
* gdk/gdk.[ch]: added gdk_screen_width_mm/gdk_screen_height_mm
functions. [From: Alexander Larsson <alla@lysator.liu.se> ]
Sun May 3 13:38:22 1998 Owen Taylor <otaylor@gtk.org>
* configure.in acheader.h gdk/gdkwindow.c
Check for Shape extension both on the client and server
side. (And, more importantly, check for the shape extension
so we may include -lXext even when compiling with --disable-xshm)
Don't set override_redirect on all shaped windows. It isn't
necessary.
* gdk/gdkwindow.c: Set ->colormap to NULL for root
and foreign windows. Use this to check if we
need to get the colormap from X.
Fri May 1 22:32:47 1998 Owen Taylor <otaylor@gtk.org>
* gtk/gtkbutton.c (gtk_button_paint): Draw the areas
between the default and the button always in GTK_STATE_NORMAL.
* gtk/gtkrange.c (gtk_range_style_set): Added a style_set
callback.
Fri May 1 16:40:57 1998 Owen Taylor <otaylor@gtk.org>
* gdk/gdkpixmap.c (gdk_pixmap_colormap_create_from_xpmp[_d]):
Fix a buffer overflow on pixmaps that claim to have
more than 31 characters per pixel.
(gdk_pixmap_read_string): Don't wrap around strings longer
than half of address space ;-)
* gtk/gtk[vh]ruler.c gtk/gtkinputdialog.c: Expand some buffers
that were used for printing integers.
* */* (almost):
Style: All
int foo () { ... }
changed to
int foo (void) { ... }
^^^^^^^ This is why some many files changed
Even where there were proper prototypes elsewhere.
* gdk/gxid.c (handle_claim_device): Some extra checks.
It isn't safe against being fed bad X id's, but at
least it should be safe against deleting all your
files.
Fri Apr 3 17:14:55 1998 Owen Taylor <owt1@cornell.edu>
* gdk/gdk.c: More extensive debugging output
* gtk/gtkalignment.c gtk/gtkbutton.c gtk/gtkcheckbutton.c
gtk/gtkclist.c gtk/gtkeventbox.c gtk/gtkhandlebox.c
gtk/gtk[hv]box.c gtk/gtk[hv]paned.c gtk/gtklist.c
gtk/gtkmenu.c gtk/gtkmenubar.c gtk/gtkmenuitem.c
gtk/gtknotebook.c gtk/gtktable.c gtk/gtktree.c
gtk/gtktreeitem.c gtk/gtkviewport.c
Avoid assigning negative values to unsigned allocation.width and
height
* gtk/gtkwindow.c:
Instead of realizing the widget, then size allocating, (resulting
in XMoveResizeWindows for all children, do the size allocation
first, then realize.
In gtk_real_window_move_resize, combine move and resize
into a single GDK/X call when possible.
* gtk/gtkclist.c gtk/gtkdrawingarea.c:
Remove assumption that the widget will be size allocated _after_
it is realized.
* gtk/gtklist.c (gtk_list_motion_notify): Removed useless
debugging message.
Sun Jan 18 09:57:00 1998 Owen Taylor <owt1@cornell.edu>
* gtkbutton.c gtkclist.c gtkdrawingarea.c gtkentry.c gtkeventbox.c
gtkfixed.c gtkhandlebox.c gtkhscale.c gtkhscrollbar.c gtkitem.c
gtklist.c gtkmenushell.c gtkmisc.c gtknotebook.c gtkpaned.c
gtkpreview.c gtkprogressbar.c gtkruler.c gtktext.c gtktree.c
gtkviewport.c gtkvscale.c gtkvscrollbar.c gtkwidget.{c,h}
Added gtk_widget_set_parent and gtk_widget_get_parent. All
widgets should use:
gtk_widget_get_parent() instead of widget->parent->window.
Any widget that wants to have children not in the parent window,
should use gtk_widget_set_parent () in their realize() and
add () routines.
CList and Viewport widgets changed to do this. (Viewport
widget using code from gtk-fortier-980117-0.patch.)
