2004-08-10  Michael Natterer  <mitch@gimp.org>

	Redid the whole internal progress stuff: don't pass around
	progress_callback and progress_data; instead, provide a
	pointer to a GimpProgressInterface which can be implemented
	by a variety of backends.

	Addresses (but not yet fixes) bugs #6010, #97266 and #135185.

	* app/display/Makefile.am
	* app/display/gimpprogress.[ch]: removed the old progress hack.

	* app/core/Makefile.am
	* app/core/core-types.h
	* app/core/gimpprogress.[ch]: implement GimpProgressInterface.

	* app/widgets/Makefile.am
	* app/widgets/widgets-types.h
	* app/widgets/gimpprogressdialog.[ch]: the standalone progress
	dialog as widget implementing GimpProgressInterface.

	* app/display/gimpdisplay.c
	* app/display/gimpstatusbar.[ch]
	* app/widgets/gimpfiledialog.[ch]
	* app/widgets/gimpthumbbox.[ch]: added GimpProgressInterface
	implementation to these classes.

	* app/core/gimp-gui.[ch]
	* app/gui/gui-vtable.c: replaced the old progress vtable entries
	by two new to create and destroy a GimpProgressDialog in case
	no other progress is available.

	* app/pdb/procedural_db.[ch]
	* app/plug-in/plug-in-run.[ch]
	* tools/pdbgen/app.pl: pass a GimpProgress to all PDB wrappers and
	all plug-ins.

	* app/plug-in/plug-in.[ch]
	* app/plug-in/plug-ins.c
	* app/plug-in/plug-in-message.c
	* app/plug-in/plug-in-progress.c: handle the case there the
	plug-in was crated with a progress as well as the case where it
	wasn't.

	* app/app_procs.c
	* app/batch.c
	* app/xcf/xcf.c
	* app/file/file-open.[ch]
	* app/file/file-save.[ch]
	* app/widgets/gimphelp.c
	* app/widgets/gimpbrushselect.c
	* app/widgets/gimpfontselect.c
	* app/widgets/gimpgradientselect.c
	* app/widgets/gimppaletteselect.c
	* app/widgets/gimppatternselect.c: changed accordingly.

	* app/core/gimpimagefile.[ch]
	* app/display/gimpdisplayshell-dnd.c
	* app/gui/file-open-dialog.c
	* app/gui/file-open-location-dialog.c
	* app/gui/file-save-dialog.c
	* app/widgets/gimplayertreeview.c
	* app/widgets/gimptoolbox-dnd.c: pass a GimpProgress to all file
	related functions. Embed the progress in the file dialog where
	possible.

	* app/core/gimpdrawable-blend.[ch]
	* app/core/gimpdrawable-transform.[ch]
	* app/core/gimpimage-convert.[ch]
	* app/core/gimpimage-flip.[ch]
	* app/core/gimpimage-resize.[ch]
	* app/core/gimpimage-rotate.[ch]
	* app/core/gimpimage-scale.[ch]
	* app/core/gimpitem-linked.[ch]
	* app/core/gimpitem.[ch]
	* app/core/gimpchannel.c
	* app/core/gimpdrawable.c
	* app/core/gimplayer.c
	* app/core/gimpselection.c
	* app/vectors/gimpvectors.c: replaced callback/data by GimpProgress.

	* app/tools/gimpblendtool.c
	* app/tools/gimptransformtool.c
	* app/gui/convert-dialog.c
	* app/actions/documents-commands.c
	* app/actions/file-commands.c
	* app/actions/image-commands.c
	* app/actions/layers-commands.c
	* app/actions/plug-in-commands.c
	* app/actions/vectors-commands.c
	* tools/pdbgen/pdb/convert.pdb
	* tools/pdbgen/pdb/edit.pdb
	* tools/pdbgen/pdb/image.pdb
	* tools/pdbgen/pdb/layer.pdb: changed callers accordingly.

	* app/pdb/*_cmds.c: regenerated.