2005-08-03 Michael Natterer <mitch@gimp.org>
Changed naming scheme for PDB procedure names from
random_crap_that_traditionally_has_underscores to
enforced-canonical-identifiers. I'm pretty sure some things are
broken after this commit. More changes to come...
* libgimpbase/gimpbase.def
* libgimpbase/gimputils.[ch]: added gimp_canonicalize_identifier().
* app/pdb/procedural_db.[ch] (struct ProcRecord): added
"gchar *original_name" to keep a procedure's original name as
reigstered by plug-ins (compat cruft).
(procedural_db_init_procs): canonicalized list of deprecated
procedures.
* app/plug-in/plug-in-proc-def.c (plug_in_proc_def_free): free
original_name.
* app/plug-in/plug-in-message.c: canonicalize procedure names
which are received over the wire.
* app/plug-in/plug-in-rc.c: serialize the original_name and create
the canonicalized name on-the-fly when deserializing.
* app/plug-in/plug-in-run.c: pass the original_name to plug-ins
when running them because they strcmp() the passed procedure name.
* app/plug-in/plug-ins.c (plug_ins_add_to_db): pass
canonical procedure names to procedural_db_execute().
(plug_ins_file_proc_compare): special-case "gimp-xcf", not "gimp_xcf".
* app/xcf/xcf.c: changed static XCF procedures accordingly.
* tools/pdbgen/app.pl
* tools/pdbgen/lib.pl: do some trivial substitutions to generate
canonicalized names in app/, and C identifiers with underscores in
libgimp/.
* tools/pdbgen/pdb/brushes.pdb
* tools/pdbgen/pdb/fileops.pdb
* tools/pdbgen/pdb/gradients.pdb
* tools/pdbgen/pdb/image.pdb
* tools/pdbgen/pdb/palettes.pdb
* tools/pdbgen/pdb/patterns.pdb
* tools/pdbgen/pdb/plug_in.pdb
* tools/pdbgen/pdb/procedural_db.pdb
* tools/pdbgen/pdb/text_tool.pdb
* tools/pdbgen/pdb/transform_tools.pdb: canonicaloized procedure
names in calls to std_pdb_deprecated() and in procedure names in
generated C code.
* app/pdb/*_cmds.c
* libgimp/*_pdb.c: regenerated.
2005-07-06 Sven Neumann <sven@gimp.org>
* app/plug-in/plug-ins-query.c (match_strings): reverted previous
change, it was bogus.
* app/pdb/procedural-db-query.c: case-insensitive search for
procedures.
2005-07-06 Sven Neumann <sven@gimp.org>
* app/plug-in/plug-ins-query.c (match_strings): match
case-insensitive.
* libgimpwidgets/gimpbrowser.c: unset "focus-on-click" on the
filter combo-box.
* plug-ins/dbbrowser/plugin-browser.c: moved "Insertation Date"
column all the way to the right and renamed to "Installation Date".
* plug-ins/common/gauss.c: tweaked dialog packing.
2005-06-26 Manish Singh <yosh@gimp.org>
* app/core/gimpenvirontable.c: feed environment values through
gimp_config_path_expand, so ${gimp..} variables can be used.
* plug-ins/pygimp/Makefile.am: define PYTHONPATH in terms of
${gimp_plug_in_dir}. Use ; as a path separator on windows.
With this final changes, pygimp should work out of the box on
Win32 now. Thanks to Michael Schumacher and lode leroy for
figuring out the high level details and testing.
2005-05-04 Michael Natterer <mitch@gimp.org>
* app/plug-in/plug-in-proc-def.[ch] (plug_in_proc_def_find): new
function which finds a proc_def in a GSList by its procedure name.
* app/plug-in/plug-in-message.c
* app/plug-in/plug-ins.c
* tools/pdbgen/pdb/plug_in.pdb: use it instead of iterating and
comparing manually.
* app/pdb/plug_in_cmds.c: regenerated.
* app/plug-in/plug-in-def.c: minor cleanups.
2005-05-04 Michael Natterer <mitch@gimp.org>
* app/plug-in/plug-in-proc-def.[ch] (plug_in_proc_def_set_icon):
new function.
* tools/pdbgen/pdb/plug_in.pdb: removed the same code here and use
the new function.
* app/pdb/plug_in_cmds.c: regenerated.
2005-04-25 Sven Neumann <sven@gimp.org>
* app/plug-in/plug-in-proc-def.h: added a boolean flag to the
ProcDef struct to identify file procedures.
* app/xcf/xcf.c: changed accordingly.
* app/plug-in/plug-ins.c: look at the new flag instead of checking
extensions, prefixes and magics being non-NULL. A file plug-in
doesn't necessarily have any of these fields set.
* app/plug-in/plug-in-rc.c: changed pluginrc format to contain an
extra section for file procedures. Moved all file related info there.
2005-04-24 Hans Breuer <hans@breuer.org>
* menus/makefile.msc : build menus with nmake, too
menus/Makefile.am : added to EXTRA_DIST
* **/makefile.msc app/gimpcore.def : updated
* app/base/tmp-buf.c : there is no pid_t with msvc so typedef one
2005-04-05 Michael Natterer <mitch@gimp.org>
* app/plug-in/Makefile.am
* app/plug-in/plug-ins-query.[ch]: new files containing
plug_ins_query().
* tools/pdbgen/pdb/plug_in.pdb (plugins_query): remove all code
and use above function.
* app/pdb/plug_in_cmds.c: regenerated.
2005-03-24 Michael Natterer <mitch@gimp.org>
Added API to explicitly register dynamic menu items hierarchies.
Fixes bug #170623.
* app/core/gimp.h: added "GSList *plug_in_menu_branches".
* app/plug-in/plug-in-types.h
* app/plug-in/plug-ins.[ch]: added API to register plug-in menu
branches, just as for locale and help domans. Cleaned up handling
of locale and help domains.
(plug_ins_exit): free the registered menu branches.
* app/actions/plug-in-actions.[ch] (plug_in_actions_add_branch):
new function to explicitly add a menu branch action.
(plug_in_actions_setup): add the registered menu branches to each
new action group.
(plug_in_actions_build_path): always strip the untranslated menu
path from underlines before using it as hash table key or action
name.
* app/menus/plug-in-menus.c (plug_in_menus_add_proc): changed
accordingly: strip underlines from untranslated menu paths before
passing them to plug_in_menus_build_path().
* app/core/gimp-gui.[ch]: added gimp_menus_create_branch() plus
vtable entry to access the new stuff from the core. Renamed the
functions desling with items from gimp_foo_entry() to
gimp_foo_item().
* app/gui/gui-vtable.c: implement create_branch() and add the
branch action to all existing "plug-in" action groups. Note that
we don't need to create any menus because that happens implicitly
when adding menu items.
* tools/pdbgen/pdb/plug_in.pdb (plugin_menu_branch_register): new
PDB wrapper to access branch registering from plug-ins.
* app/pdb/internal_procs.c
* app/pdb/plug_in_cmds.c
* libgimp/gimpplugin_pdb.[ch]: regenerated.
* libgimp/gimp.def: changed accordingly.
* plug-ins/script-fu/script-fu-scripts.c (script_fu_find_scripts):
register the menu branches for all included scripts.
2005-02-20 Manish Singh <yosh@gimp.org>
Support for custom plug-in interpreters, independent of OS support.
* app/core/Makefile.am
* app/core/core-types.h
* app/core/gimpinterpreterdb.[ch]: implemented GimpInterpreterDB,
which handles registering and resolving custom plug-in interpreters.
* app/core/gimp.[ch]: keep a GimpInterpreterDB around.
* app/config/gimpcoreconfig.[ch]
* app/config/gimprc-blurbs.h
* app/dialogs/preferences-dialog.c
* app/dialogs/user-install-dialog.c
* app/widgets/gimphelp-ids.h: interpreter-path config stuff.
* app/plug-in/plug-in.c: use registered interpreters when running
plug-ins.
* themes/Default/images/preferences/Makefile.am
* themes/Default/images/preferences/folders-interp.png: just copied
folders-plug-ins.png here, need a better one.
* data/interpreters/Makefile.am: creates system interpreter directory.
* data/interpreters/default.interp: sample interpreter file info.
* data/Makefile.am
* configure.in: add data/interpreters directory.
* plug-ins/pygimp/Makefile.am: install pygimp.interp, which configures
the python interpreter to point to the python we were built with. Also
register the .py extension.
* etc/gimprc
* docs/gimprc.5.in: regenerated
2005-02-13 Sven Neumann <sven@gimp.org>
* app/core/gimpprogress.c (gimp_progress_start): accept an empty
string.
* app/plug-in/plug-in-progress.c: if NULL is passed as message to
plug_in_progress_start(), set an empty string on the progress.
* tools/pdbgen/pdb/progress.pdb:
* libgimp/gimpprogress.[ch]: wrap the new gimp_progress_set_text()
PDP function with a function that accepts printf-like arguments.
* libgimp/gimpprogress_pdb.[ch]: regenerated.
* lots of plug-ins, most of them file plug-ins:
use gimp_progress_init(NULL) followed by gimp_progress_set_text()
to initialize the progress using the new API instead of constructing
a temporary string.
2005-02-12 Sven Neumann <sven@gimp.org>
* app/plug-in/plug-in-progress.c (plug_in_progress_start): only
set progress value to 0.0 if it isn't 0.0 already. Allows to use
gimp_progress_init() to change the progress message w/o causing
gtk_progress_bar_set_fraction() to be called.
* plug-ins/uri/uri-backend-gnomevfs.c: use gimp_progress_pulse()
if the filesize is unknown. Also limit frequency of progress
updates.
2005-02-12 Sven Neumann <sven@gimp.org>
* app/core/gimpprogress.[ch]: added GimpProgress::pulse.
* app/display/gimpdisplay.c
* app/display/gimpstatusbar.c
* app/widgets/gimpfiledialog.c
* app/widgets/gimpprogressbox.c
* app/widgets/gimpprogressdialog.c
* app/widgets/gimpthumbbox.c: implement it in the classes that
implement the GimpProgress interface.
* app/plug-in/plug-in-progress.[ch]: allow plug-ins to pulse their
progress.
* tools/pdbgen/pdb/progress.pdb: added a procedure for the new
functionality.
* app/pdb/internal_procs.c
* app/pdb/progress_cmds.c
* libgimp/gimpprogress_pdb.[ch]: regenerated.
* libgimp/gimp.def: updated.
2005-02-08 Michael Natterer <mitch@gimp.org>
* app/main.c: removed SIGCHLD handler which used to call
waitpid(-1,...) because this breaks all waitpid(pid,...) calls
in a non-deterministic way. Apparently it is possible to use both
SIG_DFL *and* SA_RESTART (SA_RESTART being the original reason
why the call to sigaction() was introduced).
* app/plug-in/plug-in.c (plug_in_close): don't have a million
subsequent if(plug_in->pid) blocks. Put everything into one big
if(plug_in->pid) block instead. Call g_spawn_close_pid() on all
platforms instead of using the Win32 CloseHandle().
2005-01-23 Sven Neumann <sven@gimp.org>
* app/plug-in/Makefile.am
* app/plug-in/plug-in-enums.h: new file with enums moved from ...
* app/plug-in/plug-in-types.h: ... here.
* tools/pdbgen/Makefile.am (enum_headers): changed accordingly.
2004-12-14 Michael Natterer <mitch@gimp.org>
* app/plug-in/plug-in-proc-frame.[ch]: added "gint ref_count" to
the PlugInProcFrame struct. Added new functions
plug_in_proc_frame_ref/unref().
(plug_in_proc_frame_new): set the ref_count to 1.
* app/plug-in/plug-in.[ch] (plug_in_proc_frame_push): return the
new proc_frame.
(plug_in_proc_frame_pop): use unref() instead of free().
* app/plug-in/plug-in-run.c (plug_in_temp_run): ref the proc_frame
while running its main loop. Removed the call to
plug_in_proc_frame_pop().
* app/plug-in/plug-in-message.c (plug_in_handle_temp_proc_return):
call plug_in_proc_frame_pop() immediately after
plug_in_main_loop_quit() so the proc_frame goes away from the
stack and can't be used accidentially if the core is too busy to
return to the main loop before the next command arrives on the
wire. Really fixes bug #161114 this time.
2004-12-09 Sven Neumann <sven@gimp.org>
* app/gui/splash.c (splash_update): only expose the area of the
window that actually changed.
* app/plug-in/plug-in-rc.c (plug_in_rc_write): changed the header
and footer to be more in line with the other rc files.
2004-09-21 Hans Breuer <hans@breuer.org>
* app/dialogs/makefile.msc : [new file]
app/dialogs/Makefile.am : added to EXTRA_DIST
* **/makefile.msc app/gimpcore.def : updated
* app/gimp.rc : let wilber be first
* app/widgets/gimppropwidgets.c : msvc6 can't cast uint64 either
* libgimpbase/gimpwin32-io.h : make up recent loss of ftruncate in GLib
* libgimpthumbnail/gimpthumbnail.c : <process.h> for getpid() on win32
* plug-ins/helpbrowser/dialog.c : include gimpwin32-io.h
* plug-ins/script-fu/siodwrapper.c plug-ins/script-fu/scrip-fu.c : there
is no script-fu-server on win32
2004-11-19 Michael Natterer <mitch@gimp.org>
* tools/pdbgen/lib.pl
* tools/pdbgen/stddefs.pdb: added support for deprecated procedures
without any replacement.
* app/plug-in/plug-in-message.c (plug_in_handle_proc_run): added
a special warning for procedures without replacement.
* tools/pdbgen/pdb/drawable.pdb: deprecated drawable_set_image()
without any replacement and made it a nop (which fails if the
passed image is different from the drawable's image). It's not
needed any longer since 2.0 and moreover dangerous to use.
* app/pdb/drawable_cmds.c
* libgimp/gimpdrawable_pdb.[ch]: regenerated.
* app/core/gimpitem.c (gimp_item_set_image): replaced assertion
for gimp_item_is_floating() by !gimp_item_is_attached(). The
former warned when adding a layer with already added mask to the
image (which is a perfectly valid operation).
2004-11-17 Michael Natterer <mitch@gimp.org>
Made plug-in menu registration work the same way for ordinary and
temporary procedures. Addresses bug #158117.
* app/core/gimp-gui.[ch]: added "const gchar *menu_path" to
gimp_menus_create_entry().
* app/gui/gui-vtable.c (gui_menus_create_entry): if menu_path is
NULL, behave as before and create an action and its menu entries
for all the procedure's menu_paths. If it is non-NULL, skip action
creation and create a menu entry just for that path.
* app/plug-in/plug-ins.c (plug_ins_temp_proc_def_add): call
gimp_menus_create_entry() with a NULL menu path and call it if
proc_def->menu_paths *or* proc_def->menu_label is non-NULL, so
it creates at least the procedure's action, even if it has
no menu_path (yet).
* tools/pdbgen/pdb/plug_in.pdb (plugin_menu_register): check both
the list of procs and temp_procs when trying to register the
entry. Allow ordinary procedures and extensions to install stuff
at query() and init() time and allow temp_procs to install stuff
at any time.
* app/pdb/plug_in_cmds.c: regenerated.
2004-11-17 Michael Natterer <mitch@gimp.org>
* app/plug-in/plug-in.c (plug_in_close): replaced the
while(plug_in->temp_procs) "loop" which called
plug_in_proc_frame_quit() by a real for()-loop iterating over the
list of PlugInProcFrames, calling g_main_loop_quit() on each main
loop. The old version did not unroll the stack but looped
infinitely. Spotted by Yosh.
2004-11-13 Sven Neumann <sven@gimp.org>
* app/plug-in/plug-in-proc-def.[ch]
* app/plug-in/plug-in-rc.c
* app/plug-in/plug-ins.[ch]: allow to associate a procedure for
thumbnail loading with any file load procedure.
* tools/pdbgen/pdb/fileops.pdb: export this functionality to the
PDB as gimp_register_thumbnail_loader().
* app/pdb/fileops_cmds.c
* app/pdb/internal_procs.c
* libgimp/gimpfileops_pdb.[ch]: regenerated.
* app/core/gimpimagefile.c
* app/file/file-open.[ch]: when creating a thumbnail for an image
file, use a thumbnail load procedure if available.
* plug-ins/common/svg.c: added "file_svg_load_thumb", a procedure
that allows to load a small preview of the SVG image.
2004-11-01 Sven Neumann <sven@gimp.org>
* app/widgets/gimpfiledialog.c (gimp_file_dialog_add_filters):
don't check for file_proc->menu_paths. Our load and save procedure
don't necessarily register a menu path any longer.
* app/plug-in/plug-ins.c: minor cleanup.
* app/xcf/xcf.c (xcf_init): no need for adding menu paths for the
XCF load and save procedures.
* tools/pdbgen/pdb/fileops.pdb: fixed outdated documentation.
* app/pdb/fileops_cmds.c
* libgimp/gimpfileops_pdb.c: regenerated.
2004-10-29 Sven Neumann <sven@gimp.org>
* app/widgets/gimpuimanager.c (gimp_ui_manager_entry_load)
* app/widgets/gimpclipboard.c (gimp_clipboard_init): only be
verbose on request.
* app/plug-in/plug-in.c (plug_in_close): turned warnings into
messages and respect gimp->be_verbose.
2004-10-25 Michael Natterer <mitch@gimp.org>
Don't store human readable and translatable enum/flag strings in
GEnumValue's and GTypeValue's fields but attach them to their
GType using separate structs and utility functions:
* tools/gimp-mkenums: added params and perl voodoo to support
generating a second array of values, which is used by the
Makefiles below to create and register arrays of value
descriptions.
* libgimpbase/gimpbasetypes.[ch]: added API to attach/retreive
arrays of translatable strings to/from enum and flags types. Added
structs GimpEnumDesc and GimpFlagsDesc for that purpose.
* libgimpbase/gimputils.[ch]: changed existing enum utility
functions, added new ones and added a symmetric API for flags.
* app/base/Makefile.am
* app/core/Makefile.am
* app/display/Makefile.am
* app/paint/Makefile.am
* app/text/Makefile.am
* app/tools/Makefile.am
* app/widgets/Makefile.am
* libgimp/Makefile.am
* libgimpbase/Makefile.am: changed *-enums.c generation rules
accordingly.
* app/base/base-enums.c
* app/core/core-enums.c
* app/display/display-enums.c
* app/paint/paint-enums.c
* app/text/text-enums.c
* app/tools/tools-enums.c
* app/widgets/widgets-enums.c
* libgimpbase/gimpbaseenums.c: regenerated.
* app/widgets/gimpenumstore.c
* app/widgets/gimpenumwidgets.c
* app/widgets/gimptemplateeditor.c
* libgimpwidgets/gimppreviewarea.c: follow the enum utility
function API changes.
2004-10-14 Sven Neumann <sven@gimp.org>
* app/core/gimpprogress.[ch]: added "message" function to the
GimpProgress interface. Call gimp_message() if it is unimplemented.
* app/plug-in/plug-in-progress.[ch]: added new function
plug_in_progress_message() that passes the message to the current
proc_frame's progress.
* app/widgets/gimpthumbbox.c: implement GimpProgress::message.
Just do nothing in the implementation. We don't want to see
messages from file plug-ins that we use to create the thumbnails.
* tools/pdbgen/pdb/message.pdb
* app/pdb/message_cmds.c: if there's a current plug-in, dispatch
the message by calling plug_in_progress_message().
* app/display/gimpdisplayshell-close.c: fixed wrong types in
function calls.
2004-10-06 Michael Natterer <mitch@gimp.org>
* app/pdb/procedural_db.h (struct ProcRecord): changed new member
"deprecated" from "gboolean" to a "gchar*" which holds the name of
the replacement procedure.
* tools/pdbgen/app.pl: changed accordingly.
* app/plug-in/plug-in-message.c (plug_in_handle_proc_run): show
the name of the replacement procedure in the warning message.
* tools/pdbgen/stddefs.pdb: added utility function
std_pdb_deprecated() which takes the name of the replacement
procedure and fills the blurb, help, author, copyright, date and
deprecated fields of the procedure definition.
* tools/pdbgen/pdb/brushes.pdb
* tools/pdbgen/pdb/gradients.pdb
* tools/pdbgen/pdb/image.pdb
* tools/pdbgen/pdb/palettes.pdb
* tools/pdbgen/pdb/patterns.pdb
* tools/pdbgen/pdb/text_tool.pdb: use it instead of duplicating
the same code and strings for all deprecated procedures.
* app/pdb/*_cmds.c: regenerated.
2004-10-06 Michael Natterer <mitch@gimp.org>
* tools/pdbgen/pdb/brush.pdb: return the mask's bpp and the
brush's pixmap data if it has one.
* tools/pdbgen/pdb/pattern.pdb: cleaned up.
* tools/pdbgen/pdb/image.pdb: added $deprecated = 1 to deprecated
functions even if they are not exported to libgimp any more.
* app/pdb/procedural_db.h (struct ProcRecord): added member
"gboolean deprecated".
* tools/pdbgen/app.pl
* app/xcf/xcf.c: fill it accordingly.
* app/plug-in/plug-in-message.c (plug_in_handle_proc_run): warn
not only for deprecated procedured which are in the compat hach
table, but also for procedures with deprecated flag set to TRUE.
* app/pdb/*_cmds.c
* libgimp/gimpbrush_pdb.[ch]
* libgimp/gimppattern_pdb.[ch]: regenerated.
* libgimp/gimpbrushmenu.c
* plug-ins/gfig/gfig-style.c: changed accordingly.
2004-10-04 Sven Neumann <sven@gimp.org>
* app/config/gimpguiconfig.[ch]
* app/config/gimprc-blurbs.h: added gimprc option "show-help-button".
* app/dialogs/preferences-dialog.c: added a GUI for it.
* app/dialogs/file-save-dialog.c
* app/dialogs/image-new-dialog.c
* app/dialogs/quit-dialog.c
* app/display/gimpdisplayshell-close.c
* app/widgets/gimphelp-ids.h: don't set help-ids on confirmation
dialogs.
* libgimpbase/gimpprotocol.[ch]
* libgimp/gimp.[ch]: added boolean "show_help_button" to the
config message.
* app/plug-in/plug-in-run.c: pass the new preference to the plug-in.
* libgimpwidgets/gimpdialog.[ch]: added new function that allows to
set whether new dialogs should get a help button added.
* app/gui/gui.c
* libgimp/gimpui.c: call gimp_dialogs_show_help_button() according
to the gimprc settings.
2004-09-23 Michael Natterer <mitch@gimp.org>
* app/plug-in/plug-in-message.c (plug_in_handle_proc_return_priv):
removed warning about entering a dead code path. That path is not
dead at all :)
2004-09-22 Michael Natterer <mitch@gimp.org>
* app/plug-in/plug-in-proc-frame.[ch] (plug_in_proc_frame_init):
removed assertion about proc_rec != NULL because that happens
when query()ing and init()int plug-ins.
Replaced "context" by "main_context" plus "context_stack".
* app/plug-in/plug-in-context.c: implement plug_in_context_push()
and plug_in_context_pop().
* app/plug-in/plug-in-message.c
* app/plug-in/plug-in-progress.c: changed accordingly.
* tools/pdbgen/pdb/context.pdb: use the return values of
plug_in_context_push() and _pop().
* app/pdb/context_cmds.c: regenerated.
* plug-ins/script-fu/scripts/test-sphere.scm: use
gimp-context-push and gimp-context-pop instead of remembering the
old values for FG, BG etc.
2004-09-22 Sven Neumann <sven@gimp.org>
* tools/pdbgen/Makefile.am
* tools/pdbgen/pdb/context.pdb: new files that will hold context
related PDB functions.
* tools/pdbgen/groups.pl
* app/pdb/Makefile.am
* app/pdb/context_cmds.c
* app/pdb/internal_procs.c
* app/pdb/progress_cmds.c
* libgimp/gimp_pdb.h
* libgimp/gimpcontext_pdb.[ch]: (re)generated.
* app/plug-in/Makefile.am
* app/plug-in/plug-in-context.[ch]: new files that will hold code
that implements a context stack in the plug-in's proc-frame.
* app/plug-in/plug-in.[ch]: new function plug_in_get_proc_frame().
* app/plug-in/plug-in-message.c
* app/plug-in/plug-in-progress.c: use the new function instead of
duplicating it all over the place.
2004-09-22 Michael Natterer <mitch@gimp.org>
* app/plug-in/Makefile.am
* app/plug-in/plug-in-proc-frame.[ch]: new files containing
utility functions for initializing/freeing PlugInProcFrames.
Added the progress stuff to the proc_frame.
* app/plug-in/plug-in.[ch]: removed the progress stuff from the
PlugIn struct and use the new proc_frame utility functions.
* app/plug-in/plug-in-message.c
* app/plug-in/plug-in-progress.c
* app/plug-in/plug-in-run.c: changed accordingly.
2004-09-22 Michael Natterer <mitch@gimp.org>
Prepare for enabling private contexts for plug-ins and scripts:
* app/plug-in/plug-in.[ch]: removed the "context" member from
the PlugIn struct and added it to PlugInProcFrame instead.
* app/plug-in/plug-in-message.c
* app/plug-in/plug-in-progress.c
* app/plug-in/plug-in-run.c: changed accordingly.
Michael Natterer