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-rw-r--r--plug-ins/help-browser/Makefile.am59
-rw-r--r--plug-ins/help-browser/Makefile.in1027
-rw-r--r--plug-ins/help-browser/dialog.c1255
-rw-r--r--plug-ins/help-browser/dialog.h35
-rw-r--r--plug-ins/help-browser/gimpthrobber.c366
-rw-r--r--plug-ins/help-browser/gimpthrobber.h68
-rw-r--r--plug-ins/help-browser/gimpthrobberaction.c133
-rw-r--r--plug-ins/help-browser/gimpthrobberaction.h48
-rw-r--r--plug-ins/help-browser/help-browser.c322
-rw-r--r--plug-ins/help-browser/uri.c386
-rw-r--r--plug-ins/help-browser/uri.h22
-rw-r--r--plug-ins/help/Makefile.am90
-rw-r--r--plug-ins/help/Makefile.in1098
-rw-r--r--plug-ins/help/gimp-help-lookup.c195
-rw-r--r--plug-ins/help/gimphelp.c151
-rw-r--r--plug-ins/help/gimphelp.h58
-rw-r--r--plug-ins/help/gimphelpdomain.c253
-rw-r--r--plug-ins/help/gimphelpdomain.h51
-rw-r--r--plug-ins/help/gimphelpitem.c73
-rw-r--r--plug-ins/help/gimphelpitem.h47
-rw-r--r--plug-ins/help/gimphelplocale.c581
-rw-r--r--plug-ins/help/gimphelplocale.h51
-rw-r--r--plug-ins/help/gimphelpprogress-private.h39
-rw-r--r--plug-ins/help/gimphelpprogress.c150
-rw-r--r--plug-ins/help/gimphelpprogress.h51
-rw-r--r--plug-ins/help/gimphelptypes.h33
-rw-r--r--plug-ins/help/help.c352
27 files changed, 6994 insertions, 0 deletions
diff --git a/plug-ins/help-browser/Makefile.am b/plug-ins/help-browser/Makefile.am
new file mode 100644
index 0000000..e4f7a3b
--- /dev/null
+++ b/plug-ins/help-browser/Makefile.am
@@ -0,0 +1,59 @@
+## Process this file with automake to produce Makefile.in
+
+libgimp = $(top_builddir)/libgimp/libgimp-$(GIMP_API_VERSION).la
+libgimpbase = $(top_builddir)/libgimpbase/libgimpbase-$(GIMP_API_VERSION).la
+libgimpcolor = $(top_builddir)/libgimpcolor/libgimpcolor-$(GIMP_API_VERSION).la
+libgimpconfig = $(top_builddir)/libgimpconfig/libgimpconfig-$(GIMP_API_VERSION).la
+libgimpmath = $(top_builddir)/libgimpmath/libgimpmath-$(GIMP_API_VERSION).la
+libgimpui = $(top_builddir)/libgimp/libgimpui-$(GIMP_API_VERSION).la
+libgimpwidgets = $(top_builddir)/libgimpwidgets/libgimpwidgets-$(GIMP_API_VERSION).la
+
+libgimphelp = $(top_builddir)/plug-ins/help/libgimphelp.a
+
+if OS_WIN32
+mwindows = -mwindows
+endif
+
+if HAVE_WINDRES
+include $(top_srcdir)/build/windows/gimprc-plug-ins.rule
+help_browser_RC = help-browser.rc.o
+endif
+
+AM_LDFLAGS = $(mwindows)
+
+libexecdir = $(gimpplugindir)/plug-ins/help-browser
+
+libexec_PROGRAMS = help-browser
+
+AM_CPPFLAGS = \
+ -I$(top_srcdir) \
+ $(WEBKIT_CFLAGS) \
+ $(GEGL_CFLAGS) \
+ -I$(includedir)
+
+LDADD = \
+ $(libgimphelp) \
+ $(libgimpui) \
+ $(libgimpwidgets) \
+ $(libgimpconfig) \
+ $(libgimp) \
+ $(libgimpcolor) \
+ $(libgimpmath) \
+ $(libgimpbase) \
+ $(WEBKIT_LIBS) \
+ $(GIO_LIBS) \
+ $(GLIB_LIBS) \
+ $(RT_LIBS) \
+ $(INTLLIBS) \
+ $(help_browser_RC)
+
+help_browser_SOURCES = \
+ gimpthrobber.c \
+ gimpthrobber.h \
+ gimpthrobberaction.c \
+ gimpthrobberaction.h \
+ help-browser.c \
+ dialog.c \
+ dialog.h \
+ uri.c \
+ uri.h
diff --git a/plug-ins/help-browser/Makefile.in b/plug-ins/help-browser/Makefile.in
new file mode 100644
index 0000000..1c4601f
--- /dev/null
+++ b/plug-ins/help-browser/Makefile.in
@@ -0,0 +1,1027 @@
+# Makefile.in generated by automake 1.16.3 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2020 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# Version resources for Microsoft Windows
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+ if test -z '$(MAKELEVEL)'; then \
+ false; \
+ elif test -n '$(MAKE_HOST)'; then \
+ true; \
+ elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+ true; \
+ else \
+ false; \
+ fi; \
+}
+am__make_running_with_option = \
+ case $${target_option-} in \
+ ?) ;; \
+ *) echo "am__make_running_with_option: internal error: invalid" \
+ "target option '$${target_option-}' specified" >&2; \
+ exit 1;; \
+ esac; \
+ has_opt=no; \
+ sane_makeflags=$$MAKEFLAGS; \
+ if $(am__is_gnu_make); then \
+ sane_makeflags=$$MFLAGS; \
+ else \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ bs=\\; \
+ sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+ | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \
+ esac; \
+ fi; \
+ skip_next=no; \
+ strip_trailopt () \
+ { \
+ flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+ }; \
+ for flg in $$sane_makeflags; do \
+ test $$skip_next = yes && { skip_next=no; continue; }; \
+ case $$flg in \
+ *=*|--*) continue;; \
+ -*I) strip_trailopt 'I'; skip_next=yes;; \
+ -*I?*) strip_trailopt 'I';; \
+ -*O) strip_trailopt 'O'; skip_next=yes;; \
+ -*O?*) strip_trailopt 'O';; \
+ -*l) strip_trailopt 'l'; skip_next=yes;; \
+ -*l?*) strip_trailopt 'l';; \
+ -[dEDm]) skip_next=yes;; \
+ -[JT]) skip_next=yes;; \
+ esac; \
+ case $$flg in \
+ *$$target_option*) has_opt=yes; break;; \
+ esac; \
+ done; \
+ test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+libexec_PROGRAMS = help-browser$(EXEEXT)
+subdir = plug-ins/help-browser
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/m4macros/alsa.m4 \
+ $(top_srcdir)/m4macros/ax_compare_version.m4 \
+ $(top_srcdir)/m4macros/ax_cxx_compile_stdcxx.m4 \
+ $(top_srcdir)/m4macros/ax_gcc_func_attribute.m4 \
+ $(top_srcdir)/m4macros/ax_prog_cc_for_build.m4 \
+ $(top_srcdir)/m4macros/ax_prog_perl_version.m4 \
+ $(top_srcdir)/m4macros/detectcflags.m4 \
+ $(top_srcdir)/m4macros/pythondev.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+ $(ACLOCAL_M4)
+DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am__installdirs = "$(DESTDIR)$(libexecdir)"
+PROGRAMS = $(libexec_PROGRAMS)
+am_help_browser_OBJECTS = gimpthrobber.$(OBJEXT) \
+ gimpthrobberaction.$(OBJEXT) help-browser.$(OBJEXT) \
+ dialog.$(OBJEXT) uri.$(OBJEXT)
+help_browser_OBJECTS = $(am_help_browser_OBJECTS)
+help_browser_LDADD = $(LDADD)
+am__DEPENDENCIES_1 =
+help_browser_DEPENDENCIES = $(libgimphelp) $(libgimpui) \
+ $(libgimpwidgets) $(libgimpconfig) $(libgimp) $(libgimpcolor) \
+ $(libgimpmath) $(libgimpbase) $(am__DEPENDENCIES_1) \
+ $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
+ $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) $(help_browser_RC)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 =
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
+AM_V_GEN = $(am__v_GEN_@AM_V@)
+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo " GEN " $@;
+am__v_GEN_1 =
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 =
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/dialog.Po \
+ ./$(DEPDIR)/gimpthrobber.Po ./$(DEPDIR)/gimpthrobberaction.Po \
+ ./$(DEPDIR)/help-browser.Po ./$(DEPDIR)/uri.Po
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+ $(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo " CC " $@;
+am__v_CC_1 =
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo " CCLD " $@;
+am__v_CCLD_1 =
+SOURCES = $(help_browser_SOURCES)
+DIST_SOURCES = $(help_browser_SOURCES)
+am__can_run_installinfo = \
+ case $$AM_UPDATE_INFO_DIR in \
+ n|no|NO) false;; \
+ *) (install-info --version) >/dev/null 2>&1;; \
+ esac
+am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)
+# Read a list of newline-separated strings from the standard input,
+# and print each of them once, without duplicates. Input order is
+# *not* preserved.
+am__uniquify_input = $(AWK) '\
+ BEGIN { nonempty = 0; } \
+ { items[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in items) print i; }; } \
+'
+# Make sure the list of sources is unique. This is necessary because,
+# e.g., the same source file might be shared among _SOURCES variables
+# for different programs/libraries.
+am__define_uniq_tagged_files = \
+ list='$(am__tagged_files)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | $(am__uniquify_input)`
+ETAGS = etags
+CTAGS = ctags
+am__DIST_COMMON = $(srcdir)/Makefile.in \
+ $(top_srcdir)/build/windows/gimprc-plug-ins.rule \
+ $(top_srcdir)/depcomp
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+AA_LIBS = @AA_LIBS@
+ACLOCAL = @ACLOCAL@
+ALLOCA = @ALLOCA@
+ALL_LINGUAS = @ALL_LINGUAS@
+ALSA_CFLAGS = @ALSA_CFLAGS@
+ALSA_LIBS = @ALSA_LIBS@
+ALTIVEC_EXTRA_CFLAGS = @ALTIVEC_EXTRA_CFLAGS@
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+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
+APPSTREAM_UTIL = @APPSTREAM_UTIL@
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+ATK_REQUIRED_VERSION = @ATK_REQUIRED_VERSION@
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+CAIRO_PDF_REQUIRED_VERSION = @CAIRO_PDF_REQUIRED_VERSION@
+CAIRO_REQUIRED_VERSION = @CAIRO_REQUIRED_VERSION@
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+GTKDOC_MKPDF = @GTKDOC_MKPDF@
+GTKDOC_REBASE = @GTKDOC_REBASE@
+GTK_CFLAGS = @GTK_CFLAGS@
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+GTK_MAC_INTEGRATION_CFLAGS = @GTK_MAC_INTEGRATION_CFLAGS@
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+GTK_REQUIRED_VERSION = @GTK_REQUIRED_VERSION@
+GTK_UPDATE_ICON_CACHE = @GTK_UPDATE_ICON_CACHE@
+GUDEV_CFLAGS = @GUDEV_CFLAGS@
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+HAVE_CXX14 = @HAVE_CXX14@
+HAVE_FINITE = @HAVE_FINITE@
+HAVE_ISFINITE = @HAVE_ISFINITE@
+HAVE_VFORK = @HAVE_VFORK@
+HOST_GLIB_COMPILE_RESOURCES = @HOST_GLIB_COMPILE_RESOURCES@
+HTML_DIR = @HTML_DIR@
+INSTALL = @INSTALL@
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+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+INSTOBJEXT = @INSTOBJEXT@
+INTLLIBS = @INTLLIBS@
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+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+ for dir in "$(DESTDIR)$(libexecdir)"; do \
+ test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+ done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libexecPROGRAMS clean-libtool \
+ mostlyclean-am
+
+distclean: distclean-am
+ -rm -f ./$(DEPDIR)/dialog.Po
+ -rm -f ./$(DEPDIR)/gimpthrobber.Po
+ -rm -f ./$(DEPDIR)/gimpthrobberaction.Po
+ -rm -f ./$(DEPDIR)/help-browser.Po
+ -rm -f ./$(DEPDIR)/uri.Po
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-libexecPROGRAMS
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -f ./$(DEPDIR)/dialog.Po
+ -rm -f ./$(DEPDIR)/gimpthrobber.Po
+ -rm -f ./$(DEPDIR)/gimpthrobberaction.Po
+ -rm -f ./$(DEPDIR)/help-browser.Po
+ -rm -f ./$(DEPDIR)/uri.Po
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-libexecPROGRAMS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+ clean-generic clean-libexecPROGRAMS clean-libtool \
+ cscopelist-am ctags ctags-am distclean distclean-compile \
+ distclean-generic distclean-libtool distclean-tags distdir dvi \
+ dvi-am html html-am info info-am install install-am \
+ install-data install-data-am install-dvi install-dvi-am \
+ install-exec install-exec-am install-html install-html-am \
+ install-info install-info-am install-libexecPROGRAMS \
+ install-man install-pdf install-pdf-am install-ps \
+ install-ps-am install-strip installcheck installcheck-am \
+ installdirs maintainer-clean maintainer-clean-generic \
+ mostlyclean mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+ uninstall-am uninstall-libexecPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+# `windres` seems a very stupid tool and it breaks with double shlashes
+# in parameter paths. Strengthen the rule a little.
+@HAVE_WINDRES_TRUE@%.rc.o:
+@HAVE_WINDRES_TRUE@ $(WINDRES) --define ORIGINALFILENAME_STR="$*$(EXEEXT)" \
+@HAVE_WINDRES_TRUE@ --define INTERNALNAME_STR="$*" \
+@HAVE_WINDRES_TRUE@ --define TOP_SRCDIR="`echo $(top_srcdir) | sed 's*//*/*'`" \
+@HAVE_WINDRES_TRUE@ -I"`echo $(top_srcdir)/app | sed 's%/\+%/%'`" \
+@HAVE_WINDRES_TRUE@ -I"`echo $(top_builddir)/app | sed 's%/\+%/%'`"\
+@HAVE_WINDRES_TRUE@ -I"`echo $(top_builddir) | sed 's%/\+%/%'`"\
+@HAVE_WINDRES_TRUE@ $(GIMPPLUGINRC) $@
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/plug-ins/help-browser/dialog.c b/plug-ins/help-browser/dialog.c
new file mode 100644
index 0000000..af95ae9
--- /dev/null
+++ b/plug-ins/help-browser/dialog.c
@@ -0,0 +1,1255 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GIMP Help Browser
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Róman Joost <romanofski@gimp.org>
+ *
+ * dialog.c
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <gtk/gtk.h>
+
+#include <gdk/gdkkeysyms.h>
+
+#include <webkit/webkit.h>
+
+#include "libgimp/gimp.h"
+#include "libgimp/gimpui.h"
+
+#include "plug-ins/help/gimphelp.h"
+
+#include "gimpthrobber.h"
+#include "gimpthrobberaction.h"
+
+#include "dialog.h"
+#include "uri.h"
+
+#include "libgimp/stdplugins-intl.h"
+
+
+#define GIMP_HELP_BROWSER_DIALOG_DATA "gimp-help-browser-dialog"
+
+#define GIMP_HELP_BROWSER_INDEX_MAX_DEPTH 4
+
+
+typedef struct
+{
+ gint width;
+ gint height;
+ gint paned_position;
+ gboolean show_index;
+ gdouble zoom;
+} DialogData;
+
+enum
+{
+ HISTORY_TITLE,
+ HISTORY_URI
+};
+
+/* local function prototypes */
+
+static GtkUIManager * ui_manager_new (GtkWidget *window);
+
+static GtkWidget * build_searchbar (void);
+
+static void back_callback (GtkAction *action,
+ gpointer data);
+static void forward_callback (GtkAction *action,
+ gpointer data);
+static void reload_callback (GtkAction *action,
+ gpointer data);
+static void stop_callback (GtkAction *action,
+ gpointer data);
+static void home_callback (GtkAction *action,
+ gpointer data);
+static void find_callback (GtkAction *action,
+ gpointer data);
+static void find_again_callback (GtkAction *action,
+ gpointer data);
+static void copy_location_callback (GtkAction *action,
+ gpointer data);
+static void copy_selection_callback (GtkAction *action,
+ gpointer data);
+static void show_index_callback (GtkAction *action,
+ gpointer data);
+static void zoom_in_callback (GtkAction *action,
+ gpointer data);
+static void zoom_out_callback (GtkAction *action,
+ gpointer data);
+static void close_callback (GtkAction *action,
+ gpointer data);
+static void website_callback (GtkAction *action,
+ gpointer data);
+
+static void update_actions (void);
+
+static void row_activated (GtkTreeView *tree_view,
+ GtkTreePath *path,
+ GtkTreeViewColumn *column);
+static void dialog_unmap (GtkWidget *window,
+ GtkWidget *paned);
+
+static void view_realize (GtkWidget *widget);
+static void view_unrealize (GtkWidget *widget);
+static gboolean view_popup_menu (GtkWidget *widget,
+ GdkEventButton *event);
+static gboolean view_button_press (GtkWidget *widget,
+ GdkEventButton *event);
+static gboolean view_key_press (GtkWidget *widget,
+ GdkEventKey *event);
+
+static void title_changed (GtkWidget *view,
+ WebKitWebFrame *frame,
+ const gchar *title,
+ GtkWidget *window);
+static void load_started (GtkWidget *view,
+ WebKitWebFrame *frame);
+static void load_finished (GtkWidget *view,
+ WebKitWebFrame *frame);
+
+static void select_index (const gchar *uri);
+
+static void search_entry_changed (GtkWidget *entry);
+static gboolean search_entry_key_press (GtkWidget *entry,
+ GdkEventKey *event);
+static void search_prev_clicked (GtkWidget *button,
+ GtkWidget *entry);
+static void search_next_clicked (GtkWidget *button,
+ GtkWidget *entry);
+static void search_close_clicked (GtkWidget *button);
+static void search (const gchar *text,
+ gboolean forward);
+
+
+/* private variables */
+
+static GHashTable *uri_hash_table = NULL;
+
+static GtkWidget *view = NULL;
+static GtkWidget *sidebar = NULL;
+static GtkWidget *searchbar = NULL;
+static GtkWidget *tree_view = NULL;
+static GtkUIManager *ui_manager = NULL;
+static GtkWidget *button_prev = NULL;
+static GtkWidget *button_next = NULL;
+static GdkCursor *busy_cursor = NULL;
+
+
+/* public functions */
+
+void
+browser_dialog_open (const gchar *plug_in_binary)
+{
+ GtkWidget *window;
+ GtkWidget *main_vbox;
+ GtkWidget *vbox;
+ GtkWidget *toolbar;
+ GtkWidget *paned;
+ GtkWidget *scrolled;
+ GtkToolItem *item;
+ GtkAction *action;
+ DialogData data = { 720, 560, 240, TRUE, 1.0 };
+
+ gimp_ui_init (plug_in_binary, TRUE);
+
+ gimp_get_data (GIMP_HELP_BROWSER_DIALOG_DATA, &data);
+
+ /* the dialog window */
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ gtk_window_set_title (GTK_WINDOW (window), _("GIMP Help Browser"));
+ gtk_window_set_role (GTK_WINDOW (window), plug_in_binary);
+ gtk_window_set_icon_name (GTK_WINDOW (window), GIMP_ICON_HELP_USER_MANUAL);
+
+ gtk_window_set_default_size (GTK_WINDOW (window), data.width, data.height);
+
+ g_signal_connect (window, "destroy",
+ G_CALLBACK (gtk_main_quit),
+ NULL);
+
+ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
+ gtk_container_add (GTK_CONTAINER (window), vbox);
+ gtk_widget_show (vbox);
+
+ ui_manager = ui_manager_new (window);
+
+ toolbar = gtk_ui_manager_get_widget (ui_manager, "/help-browser-toolbar");
+ gtk_toolbar_set_style (GTK_TOOLBAR (toolbar), GTK_TOOLBAR_ICONS);
+ gtk_box_pack_start (GTK_BOX (vbox), toolbar, FALSE, FALSE, 0);
+ gtk_widget_show (toolbar);
+
+ item = g_object_new (GTK_TYPE_MENU_TOOL_BUTTON, NULL);
+ gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, 0);
+ gtk_widget_show (GTK_WIDGET (item));
+
+ action = gtk_ui_manager_get_action (ui_manager,
+ "/ui/help-browser-popup/forward");
+ gtk_activatable_set_related_action (GTK_ACTIVATABLE (item), action);
+ g_object_notify (G_OBJECT (action), "tooltip");
+ button_next = GTK_WIDGET (item);
+
+ item = g_object_new (GTK_TYPE_MENU_TOOL_BUTTON, NULL);
+ gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, 0);
+ gtk_widget_show (GTK_WIDGET (item));
+
+ action = gtk_ui_manager_get_action (ui_manager,
+ "/ui/help-browser-popup/back");
+ gtk_activatable_set_related_action (GTK_ACTIVATABLE (item), action);
+ g_object_notify (G_OBJECT (action), "tooltip");
+ button_prev = GTK_WIDGET (item);
+
+ item =
+ GTK_TOOL_ITEM (gtk_ui_manager_get_widget (ui_manager,
+ "/help-browser-toolbar/space"));
+ gtk_separator_tool_item_set_draw (GTK_SEPARATOR_TOOL_ITEM (item), FALSE);
+ gtk_tool_item_set_expand (item, TRUE);
+
+ /* the horizontal paned */
+ paned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
+ gtk_box_pack_start (GTK_BOX (vbox), paned, TRUE, TRUE, 0);
+ gtk_widget_show (paned);
+
+ scrolled = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
+ GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+ gtk_paned_add1 (GTK_PANED (paned), scrolled);
+ gtk_paned_set_position (GTK_PANED (paned), data.paned_position);
+
+ sidebar = scrolled;
+
+ if (data.show_index)
+ gtk_widget_show (sidebar);
+
+ tree_view = gtk_tree_view_new ();
+ gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
+ gtk_container_add (GTK_CONTAINER (scrolled), tree_view);
+ gtk_widget_show (tree_view);
+
+ gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view), -1,
+ NULL,
+ gtk_cell_renderer_text_new (),
+ "text", 1,
+ NULL);
+
+ g_signal_connect (tree_view, "row-activated",
+ G_CALLBACK (row_activated),
+ NULL);
+
+ /* HTML view */
+ main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+ gtk_widget_show (main_vbox);
+ gtk_paned_pack2 (GTK_PANED (paned), main_vbox, TRUE, TRUE);
+
+ scrolled = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
+ GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+
+ gtk_widget_set_size_request (scrolled, 300, 200);
+ gtk_box_pack_start (GTK_BOX (main_vbox), scrolled, TRUE, TRUE, 0);
+ gtk_widget_show (scrolled);
+
+ view = webkit_web_view_new ();
+ webkit_web_view_set_maintains_back_forward_list (WEBKIT_WEB_VIEW (view),
+ TRUE);
+ gtk_container_add (GTK_CONTAINER (scrolled), view);
+ gtk_widget_show (view);
+
+ g_signal_connect (view, "realize",
+ G_CALLBACK (view_realize),
+ NULL);
+ g_signal_connect (view, "unrealize",
+ G_CALLBACK (view_unrealize),
+ NULL);
+
+ g_signal_connect (view, "popup-menu",
+ G_CALLBACK (view_popup_menu),
+ NULL);
+ g_signal_connect (view, "button-press-event",
+ G_CALLBACK (view_button_press),
+ NULL);
+ g_signal_connect (view, "key-press-event",
+ G_CALLBACK (view_key_press),
+ NULL);
+
+ webkit_web_view_set_zoom_level (WEBKIT_WEB_VIEW (view), data.zoom);
+
+ g_signal_connect (view, "title-changed",
+ G_CALLBACK (title_changed),
+ window);
+
+ g_signal_connect (view, "load-started",
+ G_CALLBACK (load_started),
+ NULL);
+ g_signal_connect (view, "load-finished",
+ G_CALLBACK (load_finished),
+ NULL);
+
+ gtk_widget_grab_focus (view);
+
+ g_signal_connect (window, "unmap",
+ G_CALLBACK (dialog_unmap),
+ paned);
+
+ update_actions ();
+
+ /* Searchbar */
+ searchbar = build_searchbar ();
+ gtk_box_pack_start (GTK_BOX (main_vbox), searchbar, FALSE, FALSE, 0);
+}
+
+void
+browser_dialog_load (const gchar *uri)
+{
+ g_return_if_fail (uri != NULL);
+
+ webkit_web_view_load_uri (WEBKIT_WEB_VIEW (view), uri);
+
+ select_index (uri);
+
+ gtk_window_present (GTK_WINDOW (gtk_widget_get_toplevel (view)));
+}
+
+static void
+browser_dialog_make_index_foreach (const gchar *help_id,
+ GimpHelpItem *item,
+ GimpHelpLocale *locale)
+{
+ gchar *sort_key = item->title;
+
+#if DEBUG_SORT_HELP_ITEMS
+ g_printerr ("%s: processing %s (parent %s)\n",
+ G_STRFUNC,
+ item->title ? item->title : "NULL",
+ item->parent ? item->parent : "NULL");
+#endif
+
+ if (item->sort &&
+ g_regex_match_simple ("^[0-9]+([.][0-9]+)*$", item->sort, 0, 0))
+ {
+ sort_key = item->sort;
+
+#if DEBUG_SORT_HELP_ITEMS
+ g_printerr ("%s: sort key = %s\n", G_STRFUNC, sort_key);
+#endif
+ }
+
+ item->index = 0;
+
+ if (sort_key)
+ {
+ const gint max_tokens = GIMP_HELP_BROWSER_INDEX_MAX_DEPTH;
+ gchar* *indices = g_strsplit (sort_key, ".", max_tokens + 1);
+ gint i;
+
+ for (i = 0; i < max_tokens; i++)
+ {
+ gunichar c;
+
+ if (! indices[i])
+ {
+ /* make sure that all item->index's are comparable */
+ item->index <<= (8 * (max_tokens - i));
+ break;
+ }
+
+ item->index <<= 8; /* NOP if i = 0 */
+ c = g_utf8_get_char (indices[i]);
+ if (g_unichar_isdigit (c))
+ {
+ item->index += atoi (indices[i]);
+ }
+ else if (g_utf8_strlen (indices[i], -1) == 1)
+ {
+ item->index += (c & 0xFF);
+ }
+ }
+
+ g_strfreev (indices);
+
+#if DEBUG_SORT_HELP_ITEMS
+ g_printerr ("%s: index = %lu\n", G_STRFUNC, item->index);
+#endif
+ }
+
+ if (item->parent && strlen (item->parent))
+ {
+ GimpHelpItem *parent;
+
+ parent = g_hash_table_lookup (locale->help_id_mapping, item->parent);
+
+ if (parent)
+ {
+ parent->children = g_list_prepend (parent->children, item);
+ }
+ }
+ else
+ {
+ locale->toplevel_items = g_list_prepend (locale->toplevel_items, item);
+ }
+}
+
+static gint
+help_item_compare (gconstpointer a,
+ gconstpointer b)
+{
+ const GimpHelpItem *item_a = a;
+ const GimpHelpItem *item_b = b;
+
+ if (item_a->index > item_b->index)
+ return 1;
+ else if (item_a->index < item_b->index)
+ return -1;
+
+ return 0;
+}
+
+static void
+add_child (GtkTreeStore *store,
+ GimpHelpDomain *domain,
+ GimpHelpLocale *locale,
+ GtkTreeIter *parent,
+ GimpHelpItem *item,
+ gint depth)
+{
+ GtkTreeIter iter;
+ GList *list;
+ gchar *uri;
+
+ gtk_tree_store_append (store, &iter, parent);
+
+ gtk_tree_store_set (store, &iter,
+ 0, item,
+ 1, item->title,
+ -1);
+
+ uri = g_strconcat (domain->help_uri, "/",
+ locale->locale_id, "/",
+ item->ref,
+ NULL);
+
+ g_hash_table_insert (uri_hash_table,
+ uri,
+ gtk_tree_iter_copy (&iter));
+
+ if (depth + 1 == GIMP_HELP_BROWSER_INDEX_MAX_DEPTH)
+ return;
+
+ item->children = g_list_sort (item->children, help_item_compare);
+
+ for (list = item->children; list; list = g_list_next (list))
+ {
+ GimpHelpItem *item = list->data;
+
+ add_child (store, domain, locale, &iter, item, depth + 1);
+ }
+}
+
+void
+browser_dialog_make_index (GimpHelpDomain *domain,
+ GimpHelpLocale *locale)
+{
+ GtkTreeStore *store;
+ GList *list;
+
+ if (! locale->toplevel_items)
+ {
+ g_hash_table_foreach (locale->help_id_mapping,
+ (GHFunc) browser_dialog_make_index_foreach,
+ locale);
+
+ locale->toplevel_items = g_list_sort (locale->toplevel_items,
+ help_item_compare);
+ }
+
+ store = gtk_tree_store_new (2,
+ G_TYPE_POINTER,
+ G_TYPE_STRING);
+
+ g_object_set_data (G_OBJECT (store), "domain", domain);
+ g_object_set_data (G_OBJECT (store), "locale", locale);
+
+ if (uri_hash_table)
+ g_hash_table_unref (uri_hash_table);
+
+ uri_hash_table = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ (GDestroyNotify) g_free,
+ (GDestroyNotify) gtk_tree_iter_free);
+
+ for (list = locale->toplevel_items; list; list = g_list_next (list))
+ {
+ GimpHelpItem *item = list->data;
+
+ add_child (store, domain, locale, NULL, item, 0);
+ }
+
+ gtk_tree_view_set_model (GTK_TREE_VIEW (tree_view), GTK_TREE_MODEL (store));
+ g_object_unref (store);
+}
+
+static void
+select_index (const gchar *uri)
+{
+ GtkTreeSelection *selection;
+ GtkTreeIter *iter = NULL;
+
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
+
+ if (uri)
+ iter = g_hash_table_lookup (uri_hash_table, uri);
+
+ if (iter)
+ {
+ GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (tree_view));
+ GtkTreePath *path;
+ GtkTreePath *scroll_path;
+
+ path = gtk_tree_model_get_path (model, iter);
+ scroll_path = gtk_tree_path_copy (path);
+
+ gtk_tree_path_up (path);
+ gtk_tree_view_expand_to_path (GTK_TREE_VIEW (tree_view), path);
+ gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (tree_view), scroll_path,
+ NULL, FALSE, 0.0, 0.0);
+
+ gtk_tree_path_free (path);
+ gtk_tree_path_free (scroll_path);
+
+ gtk_tree_selection_select_iter (selection, iter);
+ }
+ else
+ {
+ gtk_tree_selection_unselect_all (selection);
+ }
+}
+
+
+/* private functions */
+
+static GtkUIManager *
+ui_manager_new (GtkWidget *window)
+{
+ static const GtkActionEntry actions[] =
+ {
+ {
+ "back", GIMP_ICON_GO_PREVIOUS,
+ NULL, "<alt>Left", N_("Go back one page"),
+ G_CALLBACK (back_callback)
+ },
+ {
+ "forward", GIMP_ICON_GO_NEXT,
+ NULL, "<alt>Right", N_("Go forward one page"),
+ G_CALLBACK (forward_callback)
+ },
+ {
+ "reload", GIMP_ICON_VIEW_REFRESH,
+ N_("_Reload"), "<control>R", N_("Reload current page"),
+ G_CALLBACK (reload_callback)
+ },
+ {
+ "stop", GIMP_ICON_PROCESS_STOP,
+ N_("_Stop"), "Escape", N_("Stop loading this page"),
+ G_CALLBACK (stop_callback)
+ },
+ {
+ "home", GIMP_ICON_GO_HOME,
+ NULL, "<alt>Home", N_("Go to the index page"),
+ G_CALLBACK (home_callback)
+ },
+ {
+ "copy-location", GIMP_ICON_EDIT_COPY,
+ N_("C_opy location"), "",
+ N_("Copy the location of this page to the clipboard"),
+ G_CALLBACK (copy_location_callback)
+ },
+ {
+ "copy-selection", GIMP_ICON_EDIT_COPY,
+ NULL, "<control>C", NULL,
+ G_CALLBACK (copy_selection_callback)
+ },
+ {
+ "zoom-in", GIMP_ICON_ZOOM_IN,
+ NULL, "<control>plus", NULL,
+ G_CALLBACK (zoom_in_callback)
+ },
+ {
+ "zoom-out", GIMP_ICON_ZOOM_OUT,
+ NULL, "<control>minus", NULL,
+ G_CALLBACK (zoom_out_callback)
+ },
+ {
+ "find", GIMP_ICON_EDIT_FIND,
+ NULL, "<control>F", N_("Find text in current page"),
+ G_CALLBACK (find_callback)
+ },
+ {
+ "find-again", NULL,
+ N_("Find _Again"), "<control>G", NULL,
+ G_CALLBACK (find_again_callback)
+ },
+ {
+ "close", GIMP_ICON_WINDOW_CLOSE,
+ NULL, "<control>W", NULL,
+ G_CALLBACK (close_callback)
+ },
+ {
+ "quit", GIMP_ICON_APPLICATION_EXIT,
+ NULL, "<control>Q", NULL,
+ G_CALLBACK (close_callback)
+ }
+ };
+
+ static const GtkToggleActionEntry toggle_actions[] =
+ {
+ {
+ "show-index", NULL,
+ N_("S_how Index"), "<control>I",
+ N_("Toggle the visibility of the sidebar"),
+ G_CALLBACK (show_index_callback), FALSE
+ }
+ };
+
+ GtkUIManager *ui_manager = gtk_ui_manager_new ();
+ GtkActionGroup *group = gtk_action_group_new ("Actions");
+ GtkAction *action;
+ GError *error = NULL;
+
+ gtk_action_group_set_translation_domain (group, NULL);
+ gtk_action_group_add_actions (group,
+ actions, G_N_ELEMENTS (actions),
+ NULL);
+ gtk_action_group_add_toggle_actions (group,
+ toggle_actions,
+ G_N_ELEMENTS (toggle_actions),
+ NULL);
+
+ action = gimp_throbber_action_new ("website",
+ "docs.gimp.org",
+ _("Visit the GIMP documentation website"),
+ GIMP_ICON_HELP_USER_MANUAL);
+ g_signal_connect_closure (action, "activate",
+ g_cclosure_new (G_CALLBACK (website_callback),
+ NULL, NULL),
+ FALSE);
+ gtk_action_group_add_action (group, action);
+ g_object_unref (action);
+
+ gtk_window_add_accel_group (GTK_WINDOW (window),
+ gtk_ui_manager_get_accel_group (ui_manager));
+ gtk_accel_group_lock (gtk_ui_manager_get_accel_group (ui_manager));
+
+ gtk_ui_manager_insert_action_group (ui_manager, group, -1);
+ g_object_unref (group);
+
+ gtk_ui_manager_add_ui_from_string (ui_manager,
+ "<ui>"
+ " <toolbar name=\"help-browser-toolbar\">"
+ " <toolitem action=\"reload\" />"
+ " <toolitem action=\"stop\" />"
+ " <toolitem action=\"home\" />"
+ " <separator name=\"space\" />"
+ " <toolitem action=\"website\" />"
+ " </toolbar>"
+ " <accelerator action=\"close\" />"
+ " <accelerator action=\"quit\" />"
+ "</ui>",
+ -1, &error);
+
+ if (error)
+ {
+ g_warning ("error parsing ui: %s", error->message);
+ g_clear_error (&error);
+ }
+
+ gtk_ui_manager_add_ui_from_string (ui_manager,
+ "<ui>"
+ " <popup name=\"help-browser-popup\">"
+ " <menuitem action=\"back\" />"
+ " <menuitem action=\"forward\" />"
+ " <menuitem action=\"reload\" />"
+ " <menuitem action=\"stop\" />"
+ " <separator />"
+ " <menuitem action=\"home\" />"
+ " <menuitem action=\"copy-location\" />"
+ " <menuitem action=\"show-index\" />"
+ " <separator />"
+ " <menuitem action=\"find\" />"
+ " <menuitem action=\"find-again\" />"
+ " <separator />"
+ " <menuitem action=\"zoom-in\" />"
+ " <menuitem action=\"zoom-out\" />"
+ " <separator />"
+ " <menuitem action=\"close\" />"
+ " </popup>"
+ "</ui>",
+ -1, &error);
+
+ if (error)
+ {
+ g_warning ("error parsing ui: %s", error->message);
+ g_clear_error (&error);
+ }
+
+ gtk_ui_manager_add_ui_from_string (ui_manager,
+ "<ui>"
+ " <popup name=\"help-browser-copy-popup\">"
+ " <menuitem action=\"copy-selection\" />"
+ " </popup>"
+ "</ui>",
+ -1, &error);
+
+ if (error)
+ {
+ g_warning ("error parsing ui: %s", error->message);
+ g_clear_error (&error);
+ }
+
+ return ui_manager;
+}
+
+static void
+back_callback (GtkAction *action,
+ gpointer data)
+{
+ webkit_web_view_go_back (WEBKIT_WEB_VIEW (view));
+}
+
+static void
+forward_callback (GtkAction *action,
+ gpointer data)
+{
+ webkit_web_view_go_forward (WEBKIT_WEB_VIEW (view));
+}
+
+static void
+reload_callback (GtkAction *action,
+ gpointer data)
+{
+ webkit_web_view_reload (WEBKIT_WEB_VIEW (view));
+}
+
+static void
+stop_callback (GtkAction *action,
+ gpointer data)
+{
+ webkit_web_view_stop_loading (WEBKIT_WEB_VIEW (view));
+}
+
+static void
+home_callback (GtkAction *action,
+ gpointer data)
+{
+ GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (tree_view));
+ GimpHelpDomain *domain = g_object_get_data (G_OBJECT (model), "domain");
+ GimpHelpLocale *locale = g_object_get_data (G_OBJECT (model), "locale");
+
+ if (domain && locale)
+ {
+ gchar *uri = g_strconcat (domain->help_uri, "/",
+ locale->locale_id, "/",
+ gimp_help_locale_map (locale,
+ GIMP_HELP_DEFAULT_ID),
+ NULL);
+ browser_dialog_load (uri);
+ g_free (uri);
+ }
+}
+
+static void
+find_callback (GtkAction *action,
+ gpointer data)
+{
+ GtkWidget *entry = g_object_get_data (G_OBJECT (searchbar), "entry");
+
+ gtk_widget_show (searchbar);
+ gtk_widget_grab_focus (entry);
+}
+
+static void
+find_again_callback (GtkAction *action,
+ gpointer data)
+{
+ GtkWidget *entry = g_object_get_data (G_OBJECT (searchbar), "entry");
+
+ gtk_widget_show (searchbar);
+ gtk_widget_grab_focus (entry);
+
+ search (gtk_entry_get_text (GTK_ENTRY (entry)), TRUE);
+}
+
+static void
+copy_location_callback (GtkAction *action,
+ gpointer data)
+{
+ WebKitWebFrame *frame;
+ const gchar *uri;
+
+ frame = webkit_web_view_get_main_frame (WEBKIT_WEB_VIEW (view));
+ uri = webkit_web_frame_get_uri (frame);
+
+ if (uri)
+ {
+ GtkClipboard *clipboard;
+
+ clipboard = gtk_clipboard_get_for_display (gtk_widget_get_display (view),
+ GDK_SELECTION_CLIPBOARD);
+ gtk_clipboard_set_text (clipboard, uri, -1);
+ }
+}
+
+static void
+copy_selection_callback (GtkAction *action,
+ gpointer data)
+{
+ if (webkit_web_view_can_copy_clipboard (WEBKIT_WEB_VIEW (view)))
+ {
+ webkit_web_view_copy_clipboard (WEBKIT_WEB_VIEW (view));
+ }
+}
+
+static void
+show_index_callback (GtkAction *action,
+ gpointer data)
+{
+ gtk_widget_set_visible (sidebar,
+ gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)));
+}
+
+static void
+zoom_in_callback (GtkAction *action,
+ gpointer data)
+{
+ webkit_web_view_zoom_in (WEBKIT_WEB_VIEW (view));
+}
+
+static void
+zoom_out_callback (GtkAction *action,
+ gpointer data)
+{
+ webkit_web_view_zoom_out (WEBKIT_WEB_VIEW (view));
+}
+
+static void
+website_callback (GtkAction *action,
+ gpointer data)
+{
+ browser_dialog_load ("https://docs.gimp.org/");
+}
+
+static void
+close_callback (GtkAction *action,
+ gpointer data)
+{
+ gtk_widget_destroy (gtk_widget_get_toplevel (view));
+}
+
+static void
+menu_callback (GtkWidget *menu,
+ gpointer data)
+{
+ gint steps = GPOINTER_TO_INT (data);
+
+ webkit_web_view_go_back_or_forward (WEBKIT_WEB_VIEW (view), steps);
+}
+
+static GtkWidget *
+build_menu (const GList *items,
+ gboolean back)
+{
+ GtkWidget *menu;
+ const GList *iter;
+ gint steps;
+
+ if (! items)
+ return NULL;
+
+ menu = gtk_menu_new ();
+
+ for (iter = items, steps = 1; iter; iter = g_list_next (iter), steps++)
+ {
+ WebKitWebHistoryItem *item = iter->data;
+ const gchar *title;
+
+ title = webkit_web_history_item_get_title (item);
+
+ if (title)
+ {
+ GtkWidget *menu_item = gtk_menu_item_new_with_label (title);
+
+ gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
+ gtk_widget_show (menu_item);
+
+ g_signal_connect (menu_item, "activate",
+ G_CALLBACK (menu_callback),
+ GINT_TO_POINTER (back ? - steps : steps));
+ }
+ }
+
+ return menu;
+}
+
+static void
+update_actions (void)
+{
+ GtkAction *action;
+ WebKitWebBackForwardList *back_forward_list;
+ WebKitWebFrame *frame;
+
+ back_forward_list =
+ webkit_web_view_get_back_forward_list (WEBKIT_WEB_VIEW (view));
+
+ /* update the back button and its menu */
+
+ action = gtk_ui_manager_get_action (ui_manager,
+ "/ui/help-browser-popup/back");
+ gtk_action_set_sensitive (action,
+ webkit_web_view_can_go_back (WEBKIT_WEB_VIEW (view)));
+
+ if (back_forward_list)
+ {
+ const GList *list;
+
+ list = webkit_web_back_forward_list_get_back_list_with_limit (back_forward_list,
+ 12);
+ gtk_menu_tool_button_set_menu (GTK_MENU_TOOL_BUTTON (button_prev),
+ build_menu (list, TRUE));
+ }
+ else
+ {
+ gtk_menu_tool_button_set_menu (GTK_MENU_TOOL_BUTTON (button_prev), NULL);
+ }
+
+ /* update the forward button and its menu */
+
+ action = gtk_ui_manager_get_action (ui_manager,
+ "/ui/help-browser-popup/forward");
+ gtk_action_set_sensitive (action,
+ webkit_web_view_can_go_forward (WEBKIT_WEB_VIEW (view)));
+
+ if (back_forward_list)
+ {
+ const GList *list;
+
+ list = webkit_web_back_forward_list_get_forward_list_with_limit (back_forward_list,
+ 12);
+ gtk_menu_tool_button_set_menu (GTK_MENU_TOOL_BUTTON (button_next),
+ build_menu (list, FALSE));
+ }
+ else
+ {
+ gtk_menu_tool_button_set_menu (GTK_MENU_TOOL_BUTTON (button_next), NULL);
+ }
+
+ /* update the copy-location action */
+ action = gtk_ui_manager_get_action (ui_manager,
+ "/ui/help-browser-popup/copy-location");
+
+ frame = webkit_web_view_get_main_frame (WEBKIT_WEB_VIEW (view));
+ gtk_action_set_sensitive (action, webkit_web_frame_get_uri (frame) != NULL);
+
+ /* update the show-index action */
+ action = gtk_ui_manager_get_action (ui_manager,
+ "/ui/help-browser-popup/show-index");
+ gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
+ gtk_widget_get_visible (sidebar));
+}
+
+static void
+row_activated (GtkTreeView *tree_view,
+ GtkTreePath *path,
+ GtkTreeViewColumn *column)
+{
+ GtkTreeModel *model = gtk_tree_view_get_model (tree_view);
+ GtkTreeIter iter;
+ GimpHelpDomain *domain;
+ GimpHelpLocale *locale;
+ GimpHelpItem *item;
+ gchar *uri;
+
+ gtk_tree_model_get_iter (model, &iter, path);
+
+ gtk_tree_model_get (model, &iter,
+ 0, &item,
+ -1);
+
+ domain = g_object_get_data (G_OBJECT (model), "domain");
+ locale = g_object_get_data (G_OBJECT (model), "locale");
+
+ uri = g_strconcat (domain->help_uri, "/",
+ locale->locale_id, "/",
+ item->ref,
+ NULL);
+
+ browser_dialog_load (uri);
+
+ g_free (uri);
+}
+
+static void
+dialog_unmap (GtkWidget *window,
+ GtkWidget *paned)
+{
+ DialogData data;
+
+ gtk_window_get_size (GTK_WINDOW (window), &data.width, &data.height);
+
+ data.paned_position = gtk_paned_get_position (GTK_PANED (paned));
+ data.show_index = gtk_widget_get_visible (sidebar);
+
+ data.zoom = (view ?
+ webkit_web_view_get_zoom_level (WEBKIT_WEB_VIEW (view)) : 1.0);
+
+ gimp_set_data (GIMP_HELP_BROWSER_DIALOG_DATA, &data, sizeof (data));
+
+ gtk_main_quit ();
+}
+
+static void
+view_realize (GtkWidget *widget)
+{
+ g_return_if_fail (busy_cursor == NULL);
+
+ busy_cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget),
+ GDK_WATCH);
+}
+
+static void
+view_unrealize (GtkWidget *widget)
+{
+ if (busy_cursor)
+ {
+ gdk_cursor_unref (busy_cursor);
+ busy_cursor = NULL;
+ }
+}
+
+static gboolean
+view_popup_menu (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ GtkWidget *menu;
+ const gchar *path;
+
+ if (webkit_web_view_can_copy_clipboard (WEBKIT_WEB_VIEW (view)))
+ path = "/help-browser-copy-popup";
+ else
+ path = "/help-browser-popup";
+
+ menu = gtk_ui_manager_get_widget (ui_manager, path);
+
+ gtk_menu_set_screen (GTK_MENU (menu), gtk_widget_get_screen (widget));
+ gtk_menu_popup (GTK_MENU (menu),
+ NULL, NULL, NULL, NULL,
+ event ? event->button : 0,
+ event ? event->time : gtk_get_current_event_time ());
+
+ return TRUE;
+}
+
+static gboolean
+view_button_press (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ if (gdk_event_triggers_context_menu ((GdkEvent *) event))
+ return view_popup_menu (widget, event);
+
+ return FALSE;
+}
+
+static gboolean
+view_key_press (GtkWidget *widget,
+ GdkEventKey *event)
+{
+ if (event->keyval == GDK_KEY_slash)
+ {
+ GtkAction *action;
+
+ action = gtk_ui_manager_get_action (ui_manager,
+ "/ui/help-browser-popup/find");
+ gtk_action_activate (action);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+title_changed (GtkWidget *view,
+ WebKitWebFrame *frame,
+ const gchar *title,
+ GtkWidget *window)
+{
+ gchar *full_title;
+
+ full_title = g_strdup_printf ("%s - %s",
+ title ? title : _("Untitled"),
+ _("GIMP Help Browser"));
+
+ gtk_window_set_title (GTK_WINDOW (window), full_title);
+ g_free (full_title);
+
+ update_actions ();
+}
+
+static void
+load_started (GtkWidget *view,
+ WebKitWebFrame *frame)
+{
+ GtkAction *action = gtk_ui_manager_get_action (ui_manager,
+ "/ui/help-browser-popup/stop");
+ gtk_action_set_sensitive (action, TRUE);
+}
+
+static void
+load_finished (GtkWidget *view,
+ WebKitWebFrame *frame)
+{
+ GtkAction *action = gtk_ui_manager_get_action (ui_manager,
+ "/ui/help-browser-popup/stop");
+ gtk_action_set_sensitive (action, FALSE);
+
+ update_actions ();
+
+ select_index (webkit_web_frame_get_uri (frame));
+}
+
+static GtkWidget *
+build_searchbar (void)
+{
+ GtkWidget *button;
+ GtkWidget *entry;
+ GtkWidget *hbox;
+ GtkWidget *label;
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+
+ label = gtk_label_new (_("Find:"));
+ gtk_widget_show (label);
+ gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+
+ entry = gtk_entry_new ();
+ gtk_widget_show (entry);
+ gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
+ g_object_set_data (G_OBJECT (hbox), "entry", entry);
+
+ g_signal_connect (entry, "changed",
+ G_CALLBACK (search_entry_changed),
+ NULL);
+
+ g_signal_connect (entry, "key-press-event",
+ G_CALLBACK (search_entry_key_press),
+ NULL);
+
+ button = gtk_button_new_with_mnemonic (C_("search", "_Previous"));
+ gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
+ gtk_button_set_image (GTK_BUTTON (button),
+ gtk_image_new_from_icon_name (GIMP_ICON_GO_PREVIOUS,
+ GTK_ICON_SIZE_BUTTON));
+ gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
+ gtk_widget_show (button);
+
+ g_signal_connect (button, "clicked",
+ G_CALLBACK (search_prev_clicked),
+ entry);
+
+ button = gtk_button_new_with_mnemonic (C_("search", "_Next"));
+ gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
+ gtk_button_set_image (GTK_BUTTON (button),
+ gtk_image_new_from_icon_name (GIMP_ICON_GO_NEXT,
+ GTK_ICON_SIZE_BUTTON));
+ gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
+ gtk_widget_show (button);
+
+ g_signal_connect (button, "clicked",
+ G_CALLBACK (search_next_clicked),
+ entry);
+
+ button = gtk_button_new_with_mnemonic (C_("search", "_Close"));
+ gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
+ gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
+ gtk_widget_show (button);
+
+ g_signal_connect (button, "clicked",
+ G_CALLBACK (search_close_clicked),
+ NULL);
+
+ return hbox;
+}
+
+static void
+search_entry_changed (GtkWidget *entry)
+{
+ search (gtk_entry_get_text (GTK_ENTRY (entry)), TRUE);
+}
+
+static gboolean
+search_entry_key_press (GtkWidget *entry,
+ GdkEventKey *event)
+{
+ switch (event->keyval)
+ {
+ case GDK_KEY_Escape:
+ gtk_widget_hide (searchbar);
+ webkit_web_view_unmark_text_matches (WEBKIT_WEB_VIEW (view));
+ return TRUE;
+
+ case GDK_KEY_Return:
+ case GDK_KEY_KP_Enter:
+ case GDK_KEY_ISO_Enter:
+ search (gtk_entry_get_text (GTK_ENTRY (entry)), TRUE);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+search_prev_clicked (GtkWidget *button,
+ GtkWidget *entry)
+{
+ search (gtk_entry_get_text (GTK_ENTRY (entry)), FALSE);
+}
+
+static void
+search_next_clicked (GtkWidget *button,
+ GtkWidget *entry)
+{
+ search (gtk_entry_get_text (GTK_ENTRY (entry)), TRUE);
+}
+
+static void
+search (const gchar *text,
+ gboolean forward)
+{
+ if (text)
+ webkit_web_view_search_text (WEBKIT_WEB_VIEW (view),
+ text, FALSE, forward, TRUE);
+}
+
+static void
+search_close_clicked (GtkWidget *button)
+{
+ gtk_widget_hide (searchbar);
+ webkit_web_view_unmark_text_matches (WEBKIT_WEB_VIEW (view));
+}
diff --git a/plug-ins/help-browser/dialog.h b/plug-ins/help-browser/dialog.h
new file mode 100644
index 0000000..a895af9
--- /dev/null
+++ b/plug-ins/help-browser/dialog.h
@@ -0,0 +1,35 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help Browser
+ * Copyright (C) 1999-2003 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ *
+ * dialog.h
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __DIALOG_H__
+#define __DIALOG_H__
+
+
+void browser_dialog_open (const gchar *plug_in_binary);
+void browser_dialog_load (const gchar *uri);
+
+void browser_dialog_make_index (GimpHelpDomain *domain,
+ GimpHelpLocale *locale);
+
+
+#endif /* ! __DIALOG_H__ */
diff --git a/plug-ins/help-browser/gimpthrobber.c b/plug-ins/help-browser/gimpthrobber.c
new file mode 100644
index 0000000..81866f3
--- /dev/null
+++ b/plug-ins/help-browser/gimpthrobber.c
@@ -0,0 +1,366 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpThrobber
+ * Copyright (C) 2005 Sven Neumann <sven@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gtk/gtk.h>
+
+#include "gimpthrobber.h"
+
+
+enum
+{
+ CLICKED,
+ LAST_SIGNAL
+};
+
+enum
+{
+ PROP_0,
+ PROP_ICON_NAME,
+ PROP_IMAGE
+};
+
+
+static void gimp_throbber_class_init (GimpThrobberClass *klass);
+
+static void gimp_throbber_init (GimpThrobber *button);
+
+static void gimp_throbber_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_throbber_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gimp_throbber_finalize (GObject *object);
+
+static gboolean gimp_throbber_create_menu_proxy (GtkToolItem *tool_item);
+static void gimp_throbber_toolbar_reconfigured (GtkToolItem *tool_item);
+static void gimp_throbber_button_clicked (GtkWidget *widget,
+ GimpThrobber *button);
+
+static void gimp_throbber_construct_contents (GtkToolItem *tool_item);
+
+
+static GObjectClass *parent_class = NULL;
+static guint toolbutton_signals[LAST_SIGNAL] = { 0 };
+
+
+#define GIMP_THROBBER_GET_PRIVATE(obj)(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GIMP_TYPE_THROBBER, GimpThrobberPrivate))
+
+
+struct _GimpThrobberPrivate
+{
+ GtkWidget *button;
+ GtkWidget *image;
+ gchar *icon_name;
+};
+
+
+GType
+gimp_throbber_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type)
+ {
+ static const GTypeInfo type_info =
+ {
+ sizeof (GimpThrobberClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) gimp_throbber_class_init,
+ (GClassFinalizeFunc) NULL,
+ NULL,
+ sizeof (GimpThrobber),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) gimp_throbber_init,
+ };
+
+ type = g_type_register_static (GTK_TYPE_TOOL_ITEM,
+ "GimpThrobber",
+ &type_info, 0);
+ }
+
+ return type;
+}
+
+static void
+gimp_throbber_class_init (GimpThrobberClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkToolItemClass *tool_item_class = GTK_TOOL_ITEM_CLASS (klass);
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ object_class->set_property = gimp_throbber_set_property;
+ object_class->get_property = gimp_throbber_get_property;
+ object_class->finalize = gimp_throbber_finalize;
+
+ tool_item_class->create_menu_proxy = gimp_throbber_create_menu_proxy;
+ tool_item_class->toolbar_reconfigured = gimp_throbber_toolbar_reconfigured;
+
+ g_object_class_install_property (object_class,
+ PROP_ICON_NAME,
+ g_param_spec_string ("icon-name", NULL, NULL,
+ NULL,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (object_class,
+ PROP_IMAGE,
+ g_param_spec_object ("image", NULL, NULL,
+ GTK_TYPE_IMAGE,
+ G_PARAM_READWRITE));
+
+ toolbutton_signals[CLICKED] =
+ g_signal_new ("clicked",
+ G_OBJECT_CLASS_TYPE (klass),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GimpThrobberClass, clicked),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ g_type_class_add_private (object_class, sizeof (GimpThrobberPrivate));
+}
+
+static void
+gimp_throbber_init (GimpThrobber *button)
+{
+ GtkToolItem *toolitem = GTK_TOOL_ITEM (button);
+
+ button->priv = GIMP_THROBBER_GET_PRIVATE (button);
+
+ gtk_tool_item_set_homogeneous (toolitem, TRUE);
+
+ button->priv->button = g_object_new (GTK_TYPE_BUTTON,
+ "yalign", 0.0,
+ "focus-on-click", FALSE,
+ NULL);
+
+ g_signal_connect_object (button->priv->button, "clicked",
+ G_CALLBACK (gimp_throbber_button_clicked),
+ button, 0);
+
+ gtk_container_add (GTK_CONTAINER (button), button->priv->button);
+ gtk_widget_show (button->priv->button);
+}
+
+static void
+gimp_throbber_construct_contents (GtkToolItem *tool_item)
+{
+ GimpThrobber *button = GIMP_THROBBER (tool_item);
+ GtkWidget *image;
+ GtkToolbarStyle style;
+
+ if (button->priv->image && gtk_widget_get_parent (button->priv->image))
+ gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (button->priv->image)),
+ button->priv->image);
+
+ if (gtk_bin_get_child (GTK_BIN (button->priv->button)))
+ gtk_widget_destroy (gtk_bin_get_child (GTK_BIN (button->priv->button)));
+
+ style = gtk_tool_item_get_toolbar_style (tool_item);
+
+ if (style == GTK_TOOLBAR_TEXT)
+ {
+ image = gtk_image_new_from_icon_name (button->priv->icon_name,
+ GTK_ICON_SIZE_MENU);
+ }
+ else if (style == GTK_TOOLBAR_ICONS)
+ {
+ image = gtk_image_new_from_icon_name (button->priv->icon_name,
+ GTK_ICON_SIZE_LARGE_TOOLBAR);
+ }
+ else if (button->priv->image)
+ {
+ image = button->priv->image;
+ }
+ else
+ {
+ image = gtk_image_new_from_icon_name (button->priv->icon_name,
+ GTK_ICON_SIZE_DND);
+ }
+
+ gtk_container_add (GTK_CONTAINER (button->priv->button), image);
+ gtk_widget_show (image);
+
+ gtk_button_set_relief (GTK_BUTTON (button->priv->button),
+ gtk_tool_item_get_relief_style (tool_item));
+
+ gtk_widget_queue_resize (GTK_WIDGET (button));
+}
+
+static void
+gimp_throbber_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpThrobber *button = GIMP_THROBBER (object);
+
+ switch (prop_id)
+ {
+ case PROP_ICON_NAME:
+ gimp_throbber_set_icon_name (button, g_value_get_string (value));
+ break;
+
+ case PROP_IMAGE:
+ gimp_throbber_set_image (button, g_value_get_object (value));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_throbber_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpThrobber *button = GIMP_THROBBER (object);
+
+ switch (prop_id)
+ {
+ case PROP_ICON_NAME:
+ g_value_set_string (value, button->priv->icon_name);
+ break;
+
+ case PROP_IMAGE:
+ g_value_set_object (value, button->priv->image);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_throbber_finalize (GObject *object)
+{
+ GimpThrobber *button = GIMP_THROBBER (object);
+
+ if (button->priv->icon_name)
+ g_free (button->priv->icon_name);
+
+ if (button->priv->image)
+ g_object_unref (button->priv->image);
+
+ parent_class->finalize (object);
+}
+
+static void
+gimp_throbber_button_clicked (GtkWidget *widget,
+ GimpThrobber *button)
+{
+ g_signal_emit_by_name (button, "clicked");
+}
+
+static gboolean
+gimp_throbber_create_menu_proxy (GtkToolItem *tool_item)
+{
+ gtk_tool_item_set_proxy_menu_item (tool_item, "gimp-throbber-menu-id", NULL);
+
+ return FALSE;
+}
+
+static void
+gimp_throbber_toolbar_reconfigured (GtkToolItem *tool_item)
+{
+ gimp_throbber_construct_contents (tool_item);
+}
+
+GtkToolItem *
+gimp_throbber_new (const gchar *icon_name)
+{
+ return g_object_new (GIMP_TYPE_THROBBER,
+ "icon-name", icon_name,
+ NULL);
+}
+
+void
+gimp_throbber_set_icon_name (GimpThrobber *button,
+ const gchar *icon_name)
+{
+ gchar *old_icon_name;
+
+ g_return_if_fail (GIMP_IS_THROBBER (button));
+
+ old_icon_name = button->priv->icon_name;
+
+ button->priv->icon_name = g_strdup (icon_name);
+ gimp_throbber_construct_contents (GTK_TOOL_ITEM (button));
+
+ g_object_notify (G_OBJECT (button), "icon-name");
+
+ g_free (old_icon_name);
+}
+
+const gchar *
+gimp_throbber_get_icon_name (GimpThrobber *button)
+{
+ g_return_val_if_fail (GIMP_IS_THROBBER (button), NULL);
+
+ return button->priv->icon_name;
+}
+
+void
+gimp_throbber_set_image (GimpThrobber *button,
+ GtkWidget *image)
+{
+ g_return_if_fail (GIMP_IS_THROBBER (button));
+ g_return_if_fail (image == NULL || GTK_IS_IMAGE (image));
+
+ if (image != button->priv->image)
+ {
+ if (button->priv->image)
+ {
+ if (gtk_widget_get_parent (button->priv->image))
+ gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (button->priv->image)),
+ button->priv->image);
+
+ g_object_unref (button->priv->image);
+ }
+
+ if (image)
+ g_object_ref_sink (image);
+
+ button->priv->image = image;
+
+ gimp_throbber_construct_contents (GTK_TOOL_ITEM (button));
+
+ g_object_notify (G_OBJECT (button), "image");
+ }
+}
+
+GtkWidget *
+gimp_throbber_get_image (GimpThrobber *button)
+{
+ g_return_val_if_fail (GIMP_IS_THROBBER (button), NULL);
+
+ return button->priv->image;
+}
diff --git a/plug-ins/help-browser/gimpthrobber.h b/plug-ins/help-browser/gimpthrobber.h
new file mode 100644
index 0000000..215fdff
--- /dev/null
+++ b/plug-ins/help-browser/gimpthrobber.h
@@ -0,0 +1,68 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpThrobber
+ * Copyright (C) 2005 Sven Neumann <sven@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_THROBBER_H__
+#define __GIMP_THROBBER_H__
+
+G_BEGIN_DECLS
+
+
+#define GIMP_TYPE_THROBBER (gimp_throbber_get_type ())
+#define GIMP_THROBBER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_THROBBER, GimpThrobber))
+#define GIMP_THROBBER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_THROBBER, GimpThrobberClass))
+#define GIMP_IS_THROBBER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_THROBBER))
+#define GIMP_IS_THROBBER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_THROBBER))
+#define GIMP_THROBBER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GIMP_TYPE_THROBBER, GimpThrobberClass))
+
+
+typedef struct _GimpThrobber GimpThrobber;
+typedef struct _GimpThrobberClass GimpThrobberClass;
+typedef struct _GimpThrobberPrivate GimpThrobberPrivate;
+
+struct _GimpThrobber
+{
+ GtkToolItem parent;
+
+ /*< private >*/
+ GimpThrobberPrivate *priv;
+};
+
+struct _GimpThrobberClass
+{
+ GtkToolItemClass parent_class;
+
+ /* signal */
+ void (* clicked) (GimpThrobber *button);
+};
+
+GType gimp_throbber_get_type (void) G_GNUC_CONST;
+
+GtkToolItem * gimp_throbber_new (const gchar *icon_name);
+void gimp_throbber_set_icon_name (GimpThrobber *button,
+ const gchar *icon_name);
+const gchar * gimp_throbber_get_icon_name (GimpThrobber *button);
+void gimp_throbber_set_image (GimpThrobber *button,
+ GtkWidget *image);
+GtkWidget * gimp_throbber_get_image (GimpThrobber *button);
+
+
+G_END_DECLS
+
+#endif /* __GIMP_THROBBER_H__ */
diff --git a/plug-ins/help-browser/gimpthrobberaction.c b/plug-ins/help-browser/gimpthrobberaction.c
new file mode 100644
index 0000000..56f617f
--- /dev/null
+++ b/plug-ins/help-browser/gimpthrobberaction.c
@@ -0,0 +1,133 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpThrobberAction
+ * Copyright (C) 2005 Sven Neumann <sven@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gtk/gtk.h>
+
+#include "gimpthrobberaction.h"
+#include "gimpthrobber.h"
+
+
+
+static void gimp_throbber_action_class_init (GimpThrobberActionClass *klass);
+
+static void gimp_throbber_action_connect_proxy (GtkAction *action,
+ GtkWidget *proxy);
+static void gimp_throbber_action_sync_property (GtkAction *action,
+ GParamSpec *pspec,
+ GtkWidget *proxy);
+
+
+static GtkActionClass *parent_class = NULL;
+
+
+GType
+gimp_throbber_action_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type)
+ {
+ static const GTypeInfo type_info =
+ {
+ sizeof (GtkActionClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) gimp_throbber_action_class_init,
+ (GClassFinalizeFunc) NULL,
+ NULL,
+ sizeof (GtkAction),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) NULL
+ };
+
+ type = g_type_register_static (GTK_TYPE_ACTION,
+ "GimpThrobberAction",
+ &type_info, 0);
+ }
+
+ return type;
+}
+
+static void
+gimp_throbber_action_class_init (GimpThrobberActionClass *klass)
+{
+ GtkActionClass *action_class = GTK_ACTION_CLASS (klass);
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ action_class->connect_proxy = gimp_throbber_action_connect_proxy;
+ action_class->toolbar_item_type = GIMP_TYPE_THROBBER;
+}
+
+static void
+gimp_throbber_action_connect_proxy (GtkAction *action,
+ GtkWidget *proxy)
+{
+
+ GTK_ACTION_CLASS (parent_class)->connect_proxy (action, proxy);
+
+ if (GIMP_IS_THROBBER (proxy))
+ {
+ GParamSpec *pspec;
+
+ pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (action),
+ "icon-name");
+
+ gimp_throbber_action_sync_property (action, pspec, proxy);
+ g_signal_connect_object (action, "notify::icon-name",
+ G_CALLBACK (gimp_throbber_action_sync_property),
+ proxy, 0);
+
+ g_signal_connect_object (proxy, "clicked",
+ G_CALLBACK (gtk_action_activate), action,
+ G_CONNECT_SWAPPED);
+ }
+}
+
+static void
+gimp_throbber_action_sync_property (GtkAction *action,
+ GParamSpec *pspec,
+ GtkWidget *proxy)
+{
+ const gchar *property = g_param_spec_get_name (pspec);
+ GValue value = G_VALUE_INIT;
+
+ g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
+ g_object_get_property (G_OBJECT (action), property, &value);
+
+ g_object_set_property (G_OBJECT (proxy), property, &value);
+ g_value_unset (&value);
+}
+
+GtkAction *
+gimp_throbber_action_new (const gchar *name,
+ const gchar *label,
+ const gchar *tooltip,
+ const gchar *icon_name)
+{
+ return g_object_new (GIMP_TYPE_THROBBER_ACTION,
+ "name", name,
+ "label", label,
+ "tooltip", tooltip,
+ "icon-name", icon_name,
+ NULL);
+}
diff --git a/plug-ins/help-browser/gimpthrobberaction.h b/plug-ins/help-browser/gimpthrobberaction.h
new file mode 100644
index 0000000..502a32b
--- /dev/null
+++ b/plug-ins/help-browser/gimpthrobberaction.h
@@ -0,0 +1,48 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpThrobberAction
+ * Copyright (C) 2005 Sven Neumann <sven@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_THROBBER_ACTION_H__
+#define __GIMP_THROBBER_ACTION_H__
+
+G_BEGIN_DECLS
+
+#define GIMP_TYPE_THROBBER_ACTION (gimp_throbber_action_get_type ())
+#define GIMP_THROBBER_ACTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_THROBBER_ACTION, GimpThrobberAction))
+#define GIMP_THROBBER_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_THROBBER_ACTION, GimpThrobberActionClass))
+#define GIMP_IS_THROBBER_ACTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_THROBBER_ACTION))
+#define GIMP_IS_THROBBER_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((obj), GIMP_TYPE_THROBBER_ACTION))
+#define GIMP_THROBBER_ACTION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GIMP_TYPE_THROBBER_ACTION, GimpThrobberActionClass))
+
+
+typedef GtkAction GimpThrobberAction;
+typedef GtkActionClass GimpThrobberActionClass;
+
+
+GType gimp_throbber_action_get_type (void) G_GNUC_CONST;
+
+GtkAction * gimp_throbber_action_new (const gchar *name,
+ const gchar *label,
+ const gchar *tooltip,
+ const gchar *icon_name);
+
+
+G_END_DECLS
+
+#endif /* __GIMP_THROBBER_ACTION_H__ */
diff --git a/plug-ins/help-browser/help-browser.c b/plug-ins/help-browser/help-browser.c
new file mode 100644
index 0000000..35a2ea6
--- /dev/null
+++ b/plug-ins/help-browser/help-browser.c
@@ -0,0 +1,322 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help Browser
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * Some code & ideas taken from the GNOME help browser.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h> /* strlen, strcmp */
+
+#include <gtk/gtk.h>
+
+#include <libgimp/gimp.h>
+
+#include "plug-ins/help/gimphelp.h"
+
+#include "dialog.h"
+
+#include "libgimp/stdplugins-intl.h"
+
+
+/* defines */
+
+#define GIMP_HELP_BROWSER_EXT_PROC "extension-gimp-help-browser"
+#define GIMP_HELP_BROWSER_TEMP_EXT_PROC "extension-gimp-help-browser-temp"
+#define PLUG_IN_BINARY "help-browser"
+#define PLUG_IN_ROLE "gimp-help-browser"
+
+
+/* forward declarations */
+
+static void query (void);
+static void run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals);
+
+static void temp_proc_install (void);
+static void temp_proc_run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals);
+
+static gboolean help_browser_show_help (const gchar *help_domain,
+ const gchar *help_locales,
+ const gchar *help_id);
+
+static GimpHelpProgress * help_browser_progress_new (void);
+
+
+/* local variables */
+
+const GimpPlugInInfo PLUG_IN_INFO =
+{
+ NULL, /* init_proc */
+ NULL, /* quit_proc */
+ query, /* query_proc */
+ run, /* run_proc */
+};
+
+
+MAIN ()
+
+static void
+query (void)
+{
+ static const GimpParamDef args[] =
+ {
+ { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0) }" },
+ { GIMP_PDB_INT32, "num-domain-names", "" },
+ { GIMP_PDB_STRINGARRAY, "domain-names", "" },
+ { GIMP_PDB_INT32, "num-domain-uris", "" },
+ { GIMP_PDB_STRINGARRAY, "domain-uris", "" }
+ };
+
+ gimp_install_procedure (GIMP_HELP_BROWSER_EXT_PROC,
+ "Browse the GIMP user manual",
+ "A small and simple HTML browser optimized for "
+ "browsing the GIMP user manual.",
+ "Sven Neumann <sven@gimp.org>, "
+ "Michael Natterer <mitch@gimp.org>"
+ "Henrik Brix Andersen <brix@gimp.org>",
+ "Sven Neumann, Michael Natterer & Henrik Brix Andersen",
+ "1999-2008",
+ NULL,
+ "",
+ GIMP_EXTENSION,
+ G_N_ELEMENTS (args), 0,
+ args, NULL);
+}
+
+static void
+run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals)
+{
+ GimpRunMode run_mode = param[0].data.d_int32;
+ GimpPDBStatusType status = GIMP_PDB_SUCCESS;
+
+ static GimpParam values[1];
+
+ values[0].type = GIMP_PDB_STATUS;
+ values[0].data.d_status = status;
+
+ *nreturn_vals = 1;
+ *return_vals = values;
+
+ INIT_I18N ();
+
+ switch (run_mode)
+ {
+ case GIMP_RUN_INTERACTIVE:
+ case GIMP_RUN_NONINTERACTIVE:
+ case GIMP_RUN_WITH_LAST_VALS:
+ /* Make sure all the arguments are there! */
+ if (nparams >= 1)
+ {
+ if (nparams == 5)
+ {
+ if (! gimp_help_init (param[1].data.d_int32,
+ param[2].data.d_stringarray,
+ param[3].data.d_int32,
+ param[4].data.d_stringarray))
+ {
+ status = GIMP_PDB_CALLING_ERROR;
+ }
+ }
+
+ if (status == GIMP_PDB_SUCCESS)
+ {
+ browser_dialog_open (PLUG_IN_BINARY);
+
+ temp_proc_install ();
+
+ gimp_extension_ack ();
+ gimp_extension_enable ();
+
+ gtk_main ();
+ }
+ }
+ else
+ {
+ status = GIMP_PDB_CALLING_ERROR;
+ }
+ break;
+
+ default:
+ status = GIMP_PDB_CALLING_ERROR;
+ break;
+ }
+
+ values[0].data.d_status = status;
+}
+
+static void
+temp_proc_install (void)
+{
+ static const GimpParamDef args[] =
+ {
+ { GIMP_PDB_STRING, "help-domain", "Help domain to use" },
+ { GIMP_PDB_STRING, "help-locales", "Language to use" },
+ { GIMP_PDB_STRING, "help-id", "Help ID to open" }
+ };
+
+ gimp_install_temp_proc (GIMP_HELP_BROWSER_TEMP_EXT_PROC,
+ "DON'T USE THIS ONE",
+ "(Temporary procedure)",
+ "Sven Neumann <sven@gimp.org>, "
+ "Michael Natterer <mitch@gimp.org>"
+ "Henrik Brix Andersen <brix@gimp.org>",
+ "Sven Neumann, Michael Natterer & Henrik Brix Andersen",
+ "1999-2008",
+ NULL,
+ "",
+ GIMP_TEMPORARY,
+ G_N_ELEMENTS (args), 0,
+ args, NULL,
+ temp_proc_run);
+}
+
+static void
+temp_proc_run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals)
+{
+ static GimpParam values[1];
+ GimpPDBStatusType status = GIMP_PDB_SUCCESS;
+
+ *nreturn_vals = 1;
+ *return_vals = values;
+
+ /* make sure all the arguments are there */
+ if (nparams == 3)
+ {
+ const gchar *help_domain = GIMP_HELP_DEFAULT_DOMAIN;
+ const gchar *help_locales = NULL;
+ const gchar *help_id = GIMP_HELP_DEFAULT_ID;
+
+ if (param[0].data.d_string && strlen (param[0].data.d_string))
+ help_domain = param[0].data.d_string;
+
+ if (param[1].data.d_string && strlen (param[1].data.d_string))
+ help_locales = param[1].data.d_string;
+
+ if (param[2].data.d_string && strlen (param[2].data.d_string))
+ help_id = param[2].data.d_string;
+
+ if (! help_browser_show_help (help_domain, help_locales, help_id))
+ {
+ gtk_main_quit ();
+ }
+ }
+
+ values[0].type = GIMP_PDB_STATUS;
+ values[0].data.d_status = status;
+}
+
+static gboolean
+help_browser_show_help (const gchar *help_domain,
+ const gchar *help_locales,
+ const gchar *help_id)
+{
+ GimpHelpDomain *domain;
+ gboolean success = TRUE;
+
+ domain = gimp_help_lookup_domain (help_domain);
+
+ if (domain)
+ {
+ GimpHelpProgress *progress = NULL;
+ GimpHelpLocale *locale;
+ GList *locales;
+ gchar *uri;
+ gboolean fatal_error;
+
+ locales = gimp_help_parse_locales (help_locales);
+
+ if (! g_str_has_prefix (domain->help_uri, "file:"))
+ progress = help_browser_progress_new ();
+
+ uri = gimp_help_domain_map (domain, locales, help_id,
+ progress, &locale, &fatal_error);
+
+ if (progress)
+ gimp_help_progress_free (progress);
+
+ g_list_free_full (locales, (GDestroyNotify) g_free);
+
+ if (uri)
+ {
+ browser_dialog_make_index (domain, locale);
+ browser_dialog_load (uri);
+
+ g_free (uri);
+ }
+ else if (fatal_error)
+ {
+ success = FALSE;
+ }
+ }
+
+ return success;
+}
+
+
+static void
+help_browser_progress_start (const gchar *message,
+ gboolean cancelable,
+ gpointer user_data)
+{
+ gimp_progress_init (message);
+}
+
+static void
+help_browser_progress_update (gdouble value,
+ gpointer user_data)
+{
+ gimp_progress_update (value);
+}
+
+static void
+help_browser_progress_end (gpointer user_data)
+{
+ gimp_progress_end ();
+}
+
+static GimpHelpProgress *
+help_browser_progress_new (void)
+{
+ static const GimpHelpProgressVTable vtable =
+ {
+ help_browser_progress_start,
+ help_browser_progress_end,
+ help_browser_progress_update
+ };
+
+ return gimp_help_progress_new (&vtable, NULL);
+}
diff --git a/plug-ins/help-browser/uri.c b/plug-ins/help-browser/uri.c
new file mode 100644
index 0000000..c0493fa
--- /dev/null
+++ b/plug-ins/help-browser/uri.c
@@ -0,0 +1,386 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help Browser - URI functions
+ * Copyright (C) 2001 Jacob Schroeder <jacob@convergence.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <glib.h>
+
+#include "uri.h"
+
+/* #define URI_DEBUG 1 */
+
+typedef enum
+{
+ URI_UNKNOWN,
+ URI_ABSURI,
+ URI_NETPATH,
+ URI_ABSPATH,
+ URI_RELPATH,
+ URI_QUERY,
+ URI_EMPTY,
+ URI_FRAGMENT,
+ URI_INVALID
+} UriType;
+
+
+static UriType
+uri_get_type (const gchar *uri)
+{
+ gchar c;
+ const gchar *cptr;
+ UriType type = URI_UNKNOWN;
+
+ if (!uri)
+ return type;
+
+ cptr = uri;
+ c = *cptr++;
+
+ if (g_ascii_isalpha (c))
+ {
+ type = URI_RELPATH; /* assume relative path */
+
+ while ((c = *cptr++))
+ {
+ if (g_ascii_isalnum (c) || c == '+' || c == '-' || c == '.')
+ continue;
+
+ if (c == ':')
+ {
+ /* it was a scheme */
+ type = URI_ABSURI;
+ }
+ break;
+ }
+ }
+ else
+ {
+ switch (c)
+ {
+ case '/':
+ if (*cptr == '/')
+ {
+ cptr++;
+ type = URI_NETPATH;
+ }
+ else
+ {
+ type = URI_ABSPATH;
+ }
+ break;
+ case '?':
+ type = URI_QUERY;
+ break;
+ case '#':
+ type = URI_FRAGMENT;
+ break;
+ case '\0':
+ type = URI_EMPTY;
+ break;
+ default:
+ type = URI_RELPATH;
+ break;
+ }
+ }
+
+#ifdef URI_DEBUG
+ g_print ("uri_get_type (\"%s\") -> ", uri);
+ switch (type)
+ {
+ case URI_UNKNOWN: g_print ("unknown"); break;
+ case URI_ABSURI: g_print ("absuri"); break;
+ case URI_NETPATH: g_print ("netpath"); break;
+ case URI_ABSPATH: g_print ("abspath"); break;
+ case URI_RELPATH: g_print ("relpath"); break;
+ case URI_QUERY: g_print ("query"); break;
+ case URI_EMPTY: g_print ("empty"); break;
+ case URI_FRAGMENT: g_print ("fragment"); break;
+ case URI_INVALID: g_print ("invalid"); break;
+ }
+ g_print ("\n");
+#endif
+
+ return type;
+}
+
+gchar *
+uri_to_abs (const gchar *uri,
+ const gchar *base_uri)
+{
+ gchar c;
+ const gchar *cptr;
+ gchar *retval = NULL;
+ UriType uri_type = URI_UNKNOWN;
+ UriType base_type = URI_UNKNOWN;
+
+ gint base_cnt = 0; /* no of chars to be copied from base URI */
+ gint uri_cnt = 0; /* no of chars to be copied from URI */
+ gint sep_cnt = 0; /* no of chars to be inserted between them */
+
+ const gchar *sep_str = ""; /* string to insert between base and uri */
+ const gchar *part;
+ const gchar *last_segment = NULL;
+
+#ifdef URI_DEBUG
+ g_print ("uri_to_abs (\"%s\", \"%s\")\n", uri, base_uri);
+#endif
+
+ /* this function does not use the algorithm that is being proposed
+ * in RFC 2396. Instead it analyses the first characters of each
+ * URI to determine its kind (abs, net, path, ...).
+ * After that it locates the missing parts in the base URI and then
+ * concats everything into a newly allocated string.
+ */
+
+ /* determine the kind of the URIs */
+ uri_type = uri_get_type (uri);
+
+ if (uri_type != URI_ABSURI)
+ {
+ base_type = uri_get_type (base_uri);
+
+ if (base_type != URI_ABSURI)
+ return NULL; /* neither uri nor base uri are absolute */
+ }
+
+ /* find missing parts in base URI */
+ switch (uri_type)
+ {
+ case URI_ABSURI:
+ /* base uri not needed */
+ break;
+
+ case URI_QUERY:
+ /* ??? last segment? */
+ uri_type = URI_RELPATH;
+ case URI_NETPATH: /* base scheme */
+ case URI_ABSPATH: /* base scheme and authority */
+ case URI_RELPATH: /* base scheme, authority and path */
+ cptr = base_uri;
+
+ /* skip scheme */
+ while ((c = *cptr++) && c != ':')
+ ; /* nada */
+
+ base_cnt = cptr - base_uri; /* incl : */
+
+ if (*cptr != '/')
+ {
+ /* completion not possible */
+ return NULL;
+ }
+
+ if (uri_type == URI_NETPATH)
+ break;
+
+ /* skip authority */
+ if (cptr[0] == '/' && cptr[1] == '/')
+ {
+ part = cptr;
+ cptr += 2;
+
+ while ((c = *cptr++) && c != '/' && c != '?' && c != '#')
+ ; /* nada */
+
+ cptr--;
+ base_cnt += cptr - part;
+ }
+
+ if (uri_type == URI_ABSPATH)
+ break;
+
+ /* skip path */
+ if (*cptr != '/')
+ {
+ sep_cnt = 1;
+ sep_str = "/";
+ break;
+ }
+
+ part = cptr;
+
+ g_assert (*cptr == '/');
+
+ while ((c = *cptr++) && c != '?' && c != '#')
+ {
+ if (c == '/')
+ last_segment = cptr - 1;
+ };
+
+ g_assert (last_segment);
+
+ cptr = last_segment;
+
+ while ((c = *uri) && c == '.' && cptr > part)
+ {
+ gint shift_segment = 0;
+
+ c = uri[1];
+
+ if (c == '.' )
+ {
+ c = uri[2];
+ shift_segment = 1;
+ }
+
+ if (c == '/')
+ {
+ uri += 2;
+ }
+ else if (c == 0 || c == '?' || c == '#')
+ {
+ uri += 1;
+ }
+ else
+ {
+ break;
+ }
+
+ g_assert (*cptr == '/');
+
+ if (shift_segment)
+ {
+ uri += 1;
+ while (cptr > part && *--cptr != '/')
+ ; /* nada */
+ }
+ }
+
+ base_cnt += cptr - part + 1;
+ break;
+
+ case URI_EMPTY:
+ case URI_FRAGMENT:
+ /* use whole base uri */
+ base_cnt = strlen (base_uri);
+ break;
+
+ case URI_UNKNOWN:
+ case URI_INVALID:
+ return NULL;
+ }
+
+ /* do not include fragment part from the URI reference */
+ for (cptr = uri; (c = *cptr) && c != '#'; cptr++)
+ ; /* nada */
+
+ uri_cnt = cptr - uri;
+
+ /* allocate string and copy characters */
+
+ retval = g_new (gchar, base_cnt + sep_cnt + uri_cnt + 1);
+
+ if (base_cnt)
+ strncpy (retval, base_uri, base_cnt);
+
+ if (sep_cnt)
+ strncpy (retval + base_cnt, sep_str, sep_cnt);
+
+ if (uri_cnt)
+ strncpy (retval + base_cnt + sep_cnt, uri, uri_cnt);
+
+ retval[base_cnt + sep_cnt + uri_cnt] = '\0';
+
+#ifdef URI_DEBUG
+ g_print (" -> \"%s\"\n", retval);
+#endif
+
+ return retval;
+}
+
+#if 0
+RFC 2396 URI Generic Syntax August 1998
+
+
+A. Collected BNF for URI
+
+ URI-reference = [ absoluteURI | relativeURI ] [ "#" fragment ]
+ absoluteURI = scheme ":" ( hier_part | opaque_part )
+ relativeURI = ( net_path | abs_path | rel_path ) [ "?" query ]
+
+ hier_part = ( net_path | abs_path ) [ "?" query ]
+ opaque_part = uric_no_slash *uric
+
+ uric_no_slash = unreserved | escaped | ";" | "?" | ":" | "@" |
+ "&" | "=" | "+" | "$" | ","
+
+ net_path = "//" authority [ abs_path ]
+ abs_path = "/" path_segments
+ rel_path = rel_segment [ abs_path ]
+
+ rel_segment = 1*( unreserved | escaped |
+ ";" | "@" | "&" | "=" | "+" | "$" | "," )
+
+ scheme = alpha *( alpha | digit | "+" | "-" | "." )
+
+ authority = server | reg_name
+
+ reg_name = 1*( unreserved | escaped | "$" | "," |
+ ";" | ":" | "@" | "&" | "=" | "+" )
+
+ server = [ [ userinfo "@" ] hostport ]
+ userinfo = *( unreserved | escaped |
+ ";" | ":" | "&" | "=" | "+" | "$" | "," )
+
+ hostport = host [ ":" port ]
+ host = hostname | IPv4address
+ hostname = *( domainlabel "." ) toplabel [ "." ]
+ domainlabel = alphanum | alphanum *( alphanum | "-" ) alphanum
+ toplabel = alpha | alpha *( alphanum | "-" ) alphanum
+ IPv4address = 1*digit "." 1*digit "." 1*digit "." 1*digit
+ port = *digit
+
+ path = [ abs_path | opaque_part ]
+ path_segments = segment *( "/" segment )
+ segment = *pchar *( ";" param )
+ param = *pchar
+ pchar = unreserved | escaped |
+ ":" | "@" | "&" | "=" | "+" | "$" | ","
+
+ query = *uric
+
+ fragment = *uric
+
+ uric = reserved | unreserved | escaped
+ reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |
+ "$" | ","
+ unreserved = alphanum | mark
+ mark = "-" | "_" | "." | "!" | "~" | "*" | "'" |
+ "(" | ")"
+
+ escaped = "%" hex hex
+ hex = digit | "A" | "B" | "C" | "D" | "E" | "F" |
+ "a" | "b" | "c" | "d" | "e" | "f"
+
+ alphanum = alpha | digit
+ alpha = lowalpha | upalpha
+
+ lowalpha = "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | "i" |
+ "j" | "k" | "l" | "m" | "n" | "o" | "p" | "q" | "r" |
+ "s" | "t" | "u" | "v" | "w" | "x" | "y" | "z"
+ upalpha = "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" |
+ "J" | "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "R" |
+ "S" | "T" | "U" | "V" | "W" | "X" | "Y" | "Z"
+ digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" |
+ "8" | "9"
+
+#endif
diff --git a/plug-ins/help-browser/uri.h b/plug-ins/help-browser/uri.h
new file mode 100644
index 0000000..a1aaf1e
--- /dev/null
+++ b/plug-ins/help-browser/uri.h
@@ -0,0 +1,22 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help Browser - URI functions
+ * Copyright (C) 2001 Jacob Schroeder <jacob@convergence.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+gchar * uri_to_abs (const gchar *uri,
+ const gchar *base_uri);
diff --git a/plug-ins/help/Makefile.am b/plug-ins/help/Makefile.am
new file mode 100644
index 0000000..4e0dd41
--- /dev/null
+++ b/plug-ins/help/Makefile.am
@@ -0,0 +1,90 @@
+## Process this file with automake to produce Makefile.in
+
+if PLATFORM_OSX
+xobjective_c = "-xobjective-c"
+xobjective_cxx = "-xobjective-c++"
+xnone = "-xnone"
+framework_cocoa = -framework Cocoa
+endif
+
+libgimphelp = libgimphelp.a
+libgimp = $(top_builddir)/libgimp/libgimp-$(GIMP_API_VERSION).la
+libgimpconfig = $(top_builddir)/libgimpconfig/libgimpconfig-$(GIMP_API_VERSION).la
+libgimpcolor = $(top_builddir)/libgimpcolor/libgimpcolor-$(GIMP_API_VERSION).la
+libgimpbase = $(top_builddir)/libgimpbase/libgimpbase-$(GIMP_API_VERSION).la
+libgimpmath = $(top_builddir)/libgimpmath/libgimpmath-$(GIMP_API_VERSION).la
+
+if OS_WIN32
+mwindows = -mwindows
+endif
+
+if HAVE_WINDRES
+include $(top_srcdir)/build/windows/gimprc-plug-ins.rule
+help_RC = help.rc.o
+endif
+
+AM_CPPFLAGS = \
+ -DDATADIR=\""$(gimpdatadir)"\" \
+ -I$(top_srcdir) \
+ $(CAIRO_CFLAGS) \
+ $(GIO_CFLAGS) \
+ $(GEGL_CFLAGS) \
+ $(GDK_PIXBUF_CFLAGS) \
+ -I$(includedir)
+
+AM_CFLAGS = \
+ $(xobjective_c)
+
+AM_CXXFLAGS = \
+ $(xobjective_cxx)
+
+AM_LDFLAGS = \
+ $(mwindows) \
+ $(framework_cocoa) \
+ $(xnone)
+
+noinst_LIBRARIES = libgimphelp.a
+
+libgimphelp_a_SOURCES = \
+ gimphelptypes.h \
+ gimphelp.c \
+ gimphelp.h \
+ gimphelpdomain.c \
+ gimphelpdomain.h \
+ gimphelpitem.c \
+ gimphelpitem.h \
+ gimphelplocale.c \
+ gimphelplocale.h \
+ gimphelpprogress.c \
+ gimphelpprogress.h \
+ gimphelpprogress-private.h
+
+libexecdir = $(gimpplugindir)/plug-ins/help
+
+libexec_PROGRAMS = help
+
+help_SOURCES = help.c
+
+LDADD = \
+ $(libgimphelp) \
+ $(libgimp) \
+ $(libgimpconfig) \
+ $(libgimpcolor) \
+ $(libgimpbase) \
+ $(libgimpmath) \
+ $(CAIRO_LIBS) \
+ $(GIO_LIBS) \
+ $(GDK_PIXBUF_LIBS) \
+ $(RT_LIBS) \
+ $(INTLLIBS) \
+ $(help_RC)
+
+
+noinst_PROGRAMS = gimp-help-lookup
+
+gimp_help_lookup_SOURCES = gimp-help-lookup.c
+
+gimp_help_lookup_LDADD = \
+ $(libgimphelp) \
+ $(libgimpbase) \
+ $(GIO_LIBS)
diff --git a/plug-ins/help/Makefile.in b/plug-ins/help/Makefile.in
new file mode 100644
index 0000000..e9a858d
--- /dev/null
+++ b/plug-ins/help/Makefile.in
@@ -0,0 +1,1098 @@
+# Makefile.in generated by automake 1.16.3 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2020 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# Version resources for Microsoft Windows
+
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+ if test -z '$(MAKELEVEL)'; then \
+ false; \
+ elif test -n '$(MAKE_HOST)'; then \
+ true; \
+ elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+ true; \
+ else \
+ false; \
+ fi; \
+}
+am__make_running_with_option = \
+ case $${target_option-} in \
+ ?) ;; \
+ *) echo "am__make_running_with_option: internal error: invalid" \
+ "target option '$${target_option-}' specified" >&2; \
+ exit 1;; \
+ esac; \
+ has_opt=no; \
+ sane_makeflags=$$MAKEFLAGS; \
+ if $(am__is_gnu_make); then \
+ sane_makeflags=$$MFLAGS; \
+ else \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ bs=\\; \
+ sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+ | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \
+ esac; \
+ fi; \
+ skip_next=no; \
+ strip_trailopt () \
+ { \
+ flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+ }; \
+ for flg in $$sane_makeflags; do \
+ test $$skip_next = yes && { skip_next=no; continue; }; \
+ case $$flg in \
+ *=*|--*) continue;; \
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+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -f ./$(DEPDIR)/gimp-help-lookup.Po
+ -rm -f ./$(DEPDIR)/gimphelp.Po
+ -rm -f ./$(DEPDIR)/gimphelpdomain.Po
+ -rm -f ./$(DEPDIR)/gimphelpitem.Po
+ -rm -f ./$(DEPDIR)/gimphelplocale.Po
+ -rm -f ./$(DEPDIR)/gimphelpprogress.Po
+ -rm -f ./$(DEPDIR)/help.Po
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-libexecPROGRAMS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+ clean-generic clean-libexecPROGRAMS clean-libtool \
+ clean-noinstLIBRARIES clean-noinstPROGRAMS cscopelist-am ctags \
+ ctags-am distclean distclean-compile distclean-generic \
+ distclean-libtool distclean-tags distdir dvi dvi-am html \
+ html-am info info-am install install-am install-data \
+ install-data-am install-dvi install-dvi-am install-exec \
+ install-exec-am install-html install-html-am install-info \
+ install-info-am install-libexecPROGRAMS install-man \
+ install-pdf install-pdf-am install-ps install-ps-am \
+ install-strip installcheck installcheck-am installdirs \
+ maintainer-clean maintainer-clean-generic mostlyclean \
+ mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+ pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \
+ uninstall-libexecPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+# `windres` seems a very stupid tool and it breaks with double shlashes
+# in parameter paths. Strengthen the rule a little.
+@HAVE_WINDRES_TRUE@%.rc.o:
+@HAVE_WINDRES_TRUE@ $(WINDRES) --define ORIGINALFILENAME_STR="$*$(EXEEXT)" \
+@HAVE_WINDRES_TRUE@ --define INTERNALNAME_STR="$*" \
+@HAVE_WINDRES_TRUE@ --define TOP_SRCDIR="`echo $(top_srcdir) | sed 's*//*/*'`" \
+@HAVE_WINDRES_TRUE@ -I"`echo $(top_srcdir)/app | sed 's%/\+%/%'`" \
+@HAVE_WINDRES_TRUE@ -I"`echo $(top_builddir)/app | sed 's%/\+%/%'`"\
+@HAVE_WINDRES_TRUE@ -I"`echo $(top_builddir) | sed 's%/\+%/%'`"\
+@HAVE_WINDRES_TRUE@ $(GIMPPLUGINRC) $@
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/plug-ins/help/gimp-help-lookup.c b/plug-ins/help/gimp-help-lookup.c
new file mode 100644
index 0000000..6b9f20e
--- /dev/null
+++ b/plug-ins/help/gimp-help-lookup.c
@@ -0,0 +1,195 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimp-help-lookup - a standalone gimp-help ID to filename mapper
+ * Copyright (C) 2004-2008 Sven Neumann <sven@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "libgimp/gimp.h"
+
+#include "gimphelp.h"
+
+
+static void show_version (void) G_GNUC_NORETURN;
+
+static gchar * lookup (const gchar *help_domain,
+ const gchar *help_locales,
+ const gchar *help_id);
+
+static GimpHelpProgress * progress_new (void);
+
+
+static const gchar *help_base = NULL;
+static gchar *help_root = NULL;
+static const gchar *help_locales = NULL;
+static const gchar **help_ids = NULL;
+
+static gboolean be_verbose = FALSE;
+
+
+static const GOptionEntry entries[] =
+{
+ { "version", 'v', 0,
+ G_OPTION_ARG_CALLBACK, (GOptionArgFunc) show_version,
+ "Show version information and exit", NULL
+ },
+ { "base", 'b', 0,
+ G_OPTION_ARG_STRING, &help_base,
+ "Specifies base URI", "URI"
+ },
+ { "root", 'r', 0,
+ G_OPTION_ARG_FILENAME, &help_root,
+ "Specifies root directory for index files", "DIR"
+ },
+ { "lang", 'l', 0,
+ G_OPTION_ARG_STRING, &help_locales,
+ "Specifies help language", "LANG"
+ },
+ {
+ "verbose", 0, 0,
+ G_OPTION_ARG_NONE, &be_verbose,
+ "Be more verbose", NULL
+ },
+ {
+ G_OPTION_REMAINING, 0, 0,
+ G_OPTION_ARG_STRING_ARRAY, &help_ids,
+ NULL, NULL
+ },
+ { NULL }
+};
+
+
+gint
+main (gint argc,
+ gchar *argv[])
+{
+ GOptionContext *context;
+ gchar *uri;
+ GError *error = NULL;
+
+ help_base = g_getenv (GIMP_HELP_ENV_URI);
+ help_root = g_build_filename (gimp_data_directory (), GIMP_HELP_PREFIX, NULL);
+
+ context = g_option_context_new ("HELP-ID");
+ g_option_context_add_main_entries (context, entries, NULL);
+
+ if (! g_option_context_parse (context, &argc, &argv, &error))
+ {
+ g_print ("%s\n", error->message);
+ g_error_free (error);
+ return EXIT_FAILURE;
+ }
+
+ if (help_base)
+ uri = g_strdup (help_base);
+ else
+ uri = g_filename_to_uri (help_root, NULL, NULL);
+
+ gimp_help_register_domain (GIMP_HELP_DEFAULT_DOMAIN, uri);
+ g_free (uri);
+
+ uri = lookup (GIMP_HELP_DEFAULT_DOMAIN,
+ help_locales ? help_locales : GIMP_HELP_DEFAULT_LOCALE,
+ help_ids ? help_ids[0] : GIMP_HELP_DEFAULT_ID);
+
+ if (uri)
+ {
+ g_print ("%s\n", uri);
+ g_free (uri);
+ }
+
+ g_option_context_free (context);
+ g_free (help_root);
+
+ return uri ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+static gchar *
+lookup (const gchar *help_domain,
+ const gchar *help_locales,
+ const gchar *help_id)
+{
+ GimpHelpDomain *domain = gimp_help_lookup_domain (help_domain);
+
+ if (domain)
+ {
+ GimpHelpProgress *progress = progress_new ();
+ GList *locales;
+ gchar *full_uri;
+
+ locales = gimp_help_parse_locales (help_locales);
+ full_uri = gimp_help_domain_map (domain, locales, help_id, progress,
+ NULL, NULL);
+
+ gimp_help_progress_free (progress);
+
+ g_list_free_full (locales, (GDestroyNotify) g_free);
+
+ return full_uri;
+ }
+
+ return NULL;
+}
+
+static void
+show_version (void)
+{
+ g_print ("gimp-help-lookup version %s\n", GIMP_VERSION);
+ exit (EXIT_SUCCESS);
+}
+
+
+static void
+progress_start (const gchar *message,
+ gboolean cancelable,
+ gpointer user_data)
+{
+ if (be_verbose)
+ g_printerr ("\n%s\n", message);
+}
+
+static void
+progress_end (gpointer user_data)
+{
+ if (be_verbose)
+ g_printerr ("done\n");
+}
+
+static void
+progress_set_value (gdouble percentage,
+ gpointer user_data)
+{
+ if (be_verbose)
+ g_printerr (".");
+}
+
+static GimpHelpProgress *
+progress_new (void)
+{
+ const GimpHelpProgressVTable vtable =
+ {
+ progress_start,
+ progress_end,
+ progress_set_value
+ };
+
+ return gimp_help_progress_new (&vtable, NULL);
+}
diff --git a/plug-ins/help/gimphelp.c b/plug-ins/help/gimphelp.c
new file mode 100644
index 0000000..111c10b
--- /dev/null
+++ b/plug-ins/help/gimphelp.c
@@ -0,0 +1,151 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* This code is written so that it can also be compiled standalone.
+ * It shouldn't depend on libgimp.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include "libgimp/gimp.h"
+
+#include "gimphelp.h"
+
+#ifdef DISABLE_NLS
+#define _(String) (String)
+#else
+#include "libgimp/stdplugins-intl.h"
+#endif
+
+
+/* private variables */
+
+static GHashTable *domain_hash = NULL;
+
+
+/* public functions */
+
+gboolean
+gimp_help_init (gint num_domain_names,
+ gchar **domain_names,
+ gint num_domain_uris,
+ gchar **domain_uris)
+{
+ gint i;
+
+ if (num_domain_names != num_domain_uris)
+ {
+ g_printerr ("help: number of names doesn't match number of URIs.\n");
+
+ return FALSE;
+ }
+
+ for (i = 0; i < num_domain_names; i++)
+ gimp_help_register_domain (domain_names[i], domain_uris[i]);
+
+ return TRUE;
+}
+
+void
+gimp_help_exit (void)
+{
+ if (domain_hash)
+ {
+ g_hash_table_destroy (domain_hash);
+ domain_hash = NULL;
+ }
+}
+
+void
+gimp_help_register_domain (const gchar *domain_name,
+ const gchar *domain_uri)
+{
+ g_return_if_fail (domain_name != NULL);
+ g_return_if_fail (domain_uri != NULL);
+
+#ifdef GIMP_HELP_DEBUG
+ g_printerr ("help: registering help domain \"%s\" with base uri \"%s\"\n",
+ domain_name, domain_uri);
+#endif
+
+ if (! domain_hash)
+ domain_hash = g_hash_table_new_full (g_str_hash, g_str_equal,
+ g_free,
+ (GDestroyNotify) gimp_help_domain_free);
+
+ g_hash_table_insert (domain_hash,
+ g_strdup (domain_name),
+ gimp_help_domain_new (domain_name, domain_uri));
+}
+
+GimpHelpDomain *
+gimp_help_lookup_domain (const gchar *domain_name)
+{
+ g_return_val_if_fail (domain_name, NULL);
+
+ if (domain_hash)
+ return g_hash_table_lookup (domain_hash, domain_name);
+
+ return NULL;
+}
+
+GList *
+gimp_help_parse_locales (const gchar *help_locales)
+{
+ GList *locales = NULL;
+ GList *list;
+ const gchar *s;
+ const gchar *p;
+
+ g_return_val_if_fail (help_locales != NULL, NULL);
+
+ /* split the string at colons, building a list */
+ s = help_locales;
+ for (p = strchr (s, ':'); p; p = strchr (s, ':'))
+ {
+ gchar *new = g_strndup (s, p - s);
+ locales = g_list_append (locales, new);
+ s = p + 1;
+ }
+
+ if (*s)
+ locales = g_list_append (locales, g_strdup (s));
+
+ /* if the list doesn't contain the default locale yet, append it */
+ for (list = locales; list; list = list->next)
+ if (strcmp ((const gchar *) list->data, GIMP_HELP_DEFAULT_LOCALE) == 0)
+ break;
+
+ if (! list)
+ locales = g_list_append (locales, g_strdup (GIMP_HELP_DEFAULT_LOCALE));
+
+#ifdef GIMP_HELP_DEBUG
+ g_printerr ("help: locales: ");
+ for (list = locales; list; list = list->next)
+ g_printerr ("%s ", (const gchar *) list->data);
+ g_printerr ("\n");
+#endif
+
+ return locales;
+}
diff --git a/plug-ins/help/gimphelp.h b/plug-ins/help/gimphelp.h
new file mode 100644
index 0000000..0ba9db2
--- /dev/null
+++ b/plug-ins/help/gimphelp.h
@@ -0,0 +1,58 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_HELP_H__
+#define __GIMP_HELP_H__
+
+
+#include "gimphelptypes.h"
+
+#include "gimphelpdomain.h"
+#include "gimphelpitem.h"
+#include "gimphelplocale.h"
+#include "gimphelpprogress.h"
+
+
+#define GIMP_HELP_DEFAULT_DOMAIN "https://www.gimp.org/help"
+#define GIMP_HELP_DEFAULT_ID "gimp-main"
+#define GIMP_HELP_DEFAULT_LOCALE "en"
+
+#define GIMP_HELP_PREFIX "help"
+#define GIMP_HELP_ENV_URI "GIMP2_HELP_URI"
+
+/* #define GIMP_HELP_DEBUG */
+
+
+gboolean gimp_help_init (gint n_domain_names,
+ gchar **domain_names,
+ gint n_domain_uris,
+ gchar **domain_uris);
+void gimp_help_exit (void);
+
+void gimp_help_register_domain (const gchar *domain_name,
+ const gchar *domain_uri);
+GimpHelpDomain * gimp_help_lookup_domain (const gchar *domain_name);
+
+GList * gimp_help_parse_locales (const gchar *help_locales);
+
+
+#endif /* ! __GIMP_HELP_H__ */
diff --git a/plug-ins/help/gimphelpdomain.c b/plug-ins/help/gimphelpdomain.c
new file mode 100644
index 0000000..34997e3
--- /dev/null
+++ b/plug-ins/help/gimphelpdomain.c
@@ -0,0 +1,253 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* This code is written so that it can also be compiled standalone.
+ * It shouldn't depend on libgimp.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <glib-object.h>
+#include <gio/gio.h>
+
+#include "libgimpbase/gimpbase.h"
+
+#include "gimphelp.h"
+
+#ifdef DISABLE_NLS
+#define _(String) (String)
+#else
+#include "libgimp/stdplugins-intl.h"
+#endif
+
+
+/* local function prototypes */
+
+static gboolean domain_locale_parse (GimpHelpDomain *domain,
+ GimpHelpLocale *locale,
+ GimpHelpProgress *progress,
+ GError **error);
+
+
+/* public functions */
+
+GimpHelpDomain *
+gimp_help_domain_new (const gchar *domain_name,
+ const gchar *domain_uri)
+{
+ GimpHelpDomain *domain = g_slice_new0 (GimpHelpDomain);
+
+ domain->help_domain = g_strdup (domain_name);
+ domain->help_uri = g_strdup (domain_uri);
+
+ if (domain_uri)
+ {
+ /* strip trailing slash */
+ if (g_str_has_suffix (domain->help_uri, "/"))
+ domain->help_uri[strlen (domain->help_uri) - 1] = '\0';
+ }
+
+ return domain;
+}
+
+void
+gimp_help_domain_free (GimpHelpDomain *domain)
+{
+ g_return_if_fail (domain != NULL);
+
+ if (domain->help_locales)
+ g_hash_table_destroy (domain->help_locales);
+
+ g_free (domain->help_domain);
+ g_free (domain->help_uri);
+
+ g_slice_free (GimpHelpDomain, domain);
+}
+
+GimpHelpLocale *
+gimp_help_domain_lookup_locale (GimpHelpDomain *domain,
+ const gchar *locale_id,
+ GimpHelpProgress *progress)
+{
+ GimpHelpLocale *locale = NULL;
+
+ if (domain->help_locales)
+ locale = g_hash_table_lookup (domain->help_locales, locale_id);
+ else
+ domain->help_locales =
+ g_hash_table_new_full (g_str_hash, g_str_equal,
+ g_free,
+ (GDestroyNotify) gimp_help_locale_free);
+
+ if (locale)
+ return locale;
+
+ locale = gimp_help_locale_new (locale_id);
+ g_hash_table_insert (domain->help_locales, g_strdup (locale_id), locale);
+
+ domain_locale_parse (domain, locale, progress, NULL);
+
+ return locale;
+}
+
+gchar *
+gimp_help_domain_map (GimpHelpDomain *domain,
+ GList *help_locales,
+ const gchar *help_id,
+ GimpHelpProgress *progress,
+ GimpHelpLocale **ret_locale,
+ gboolean *fatal_error)
+{
+ GimpHelpLocale *locale = NULL;
+ const gchar *ref = NULL;
+ GList *list;
+
+ g_return_val_if_fail (domain != NULL, NULL);
+ g_return_val_if_fail (help_locales != NULL, NULL);
+ g_return_val_if_fail (help_id != NULL, NULL);
+
+ if (fatal_error)
+ *fatal_error = FALSE;
+
+ /* first pass: look for a reference matching the help_id */
+ for (list = help_locales; list && !ref; list = list->next)
+ {
+ locale = gimp_help_domain_lookup_locale (domain,
+ (const gchar *) list->data,
+ progress);
+ ref = gimp_help_locale_map (locale, help_id);
+ }
+
+ /* second pass: look for a fallback */
+ for (list = help_locales; list && !ref; list = list->next)
+ {
+ locale = gimp_help_domain_lookup_locale (domain,
+ (const gchar *) list->data,
+ progress);
+ ref = locale->help_missing;
+ }
+
+ if (ret_locale)
+ *ret_locale = locale;
+
+ if (ref)
+ {
+ return g_strconcat (domain->help_uri, "/",
+ locale->locale_id, "/",
+ ref,
+ NULL);
+ }
+ else /* try to assemble a useful error message */
+ {
+ GError *error = NULL;
+
+#ifdef GIMP_HELP_DEBUG
+ g_printerr ("help: help_id lookup and all fallbacks failed for '%s'\n",
+ help_id);
+#endif
+
+ locale = gimp_help_domain_lookup_locale (domain,
+ GIMP_HELP_DEFAULT_LOCALE, NULL);
+
+ if (! domain_locale_parse (domain, locale, NULL, &error))
+ {
+ switch (error->code)
+ {
+ case G_IO_ERROR_NOT_FOUND:
+ if (domain->help_domain)
+ {
+ g_message (_("The help pages for '%s' are not available."),
+ domain->help_domain);
+ }
+ else
+ {
+ g_message ("%s\n\n%s",
+ _("The GIMP user manual is not available."),
+ /* TRANSLATORS: do not end the URL with a dot,
+ * it would be in the link. Because of
+ * technical limitations, make sure the URL
+ * ends with a space, a newline or is end of text.
+ * Cf. bug 762282.
+ */
+ _("Please install the additional help package "
+ "or use the online user manual at: "
+ "https://docs.gimp.org/"));
+ }
+ break;
+
+ case G_IO_ERROR_NOT_SUPPORTED:
+ g_message ("%s\n\n%s",
+ error->message,
+ _("Perhaps you are missing GIO backends and need "
+ "to install GVFS?"));
+ break;
+
+ case G_IO_ERROR_CANCELLED:
+ break;
+
+ default:
+ g_message ("%s", error->message);
+ break;
+ }
+
+ g_error_free (error);
+
+ if (fatal_error)
+ *fatal_error = TRUE;
+ }
+ else
+ {
+ g_message (_("Help ID '%s' unknown"), help_id);
+ }
+
+ return NULL;
+ }
+}
+
+
+/* private functions */
+
+static gboolean
+domain_locale_parse (GimpHelpDomain *domain,
+ GimpHelpLocale *locale,
+ GimpHelpProgress *progress,
+ GError **error)
+{
+ gchar *uri;
+ gboolean success;
+
+ g_return_val_if_fail (domain != NULL, FALSE);
+ g_return_val_if_fail (locale != NULL, FALSE);
+ g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+ uri = g_strdup_printf ("%s/%s/gimp-help.xml",
+ domain->help_uri, locale->locale_id);
+
+ success = gimp_help_locale_parse (locale, uri, domain->help_domain,
+ progress, error);
+
+ g_free (uri);
+
+ return success;
+}
diff --git a/plug-ins/help/gimphelpdomain.h b/plug-ins/help/gimphelpdomain.h
new file mode 100644
index 0000000..b7e6920
--- /dev/null
+++ b/plug-ins/help/gimphelpdomain.h
@@ -0,0 +1,51 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_HELP_DOMAIN_H__
+#define __GIMP_HELP_DOMAIN_H__
+
+
+struct _GimpHelpDomain
+{
+ gchar *help_domain;
+ gchar *help_uri;
+ GHashTable *help_locales;
+};
+
+
+GimpHelpDomain * gimp_help_domain_new (const gchar *domain_name,
+ const gchar *domain_uri);
+void gimp_help_domain_free (GimpHelpDomain *domain);
+
+GimpHelpLocale * gimp_help_domain_lookup_locale (GimpHelpDomain *domain,
+ const gchar *locale_id,
+ GimpHelpProgress *progress);
+gchar * gimp_help_domain_map (GimpHelpDomain *domain,
+ GList *help_locales,
+ const gchar *help_id,
+ GimpHelpProgress *progress,
+ GimpHelpLocale **locale,
+ gboolean *fatal_error);
+void gimp_help_domain_exit (void);
+
+
+#endif /* ! __GIMP_HELP_DOMAIN_H__ */
diff --git a/plug-ins/help/gimphelpitem.c b/plug-ins/help/gimphelpitem.c
new file mode 100644
index 0000000..b38c453
--- /dev/null
+++ b/plug-ins/help/gimphelpitem.c
@@ -0,0 +1,73 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* This code is written so that it can also be compiled standalone.
+ * It shouldn't depend on libgimp.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <glib.h>
+
+#include "gimphelptypes.h"
+
+#include "gimphelpitem.h"
+
+#ifdef DISABLE_NLS
+#define _(String) (String)
+#else
+#include "libgimp/stdplugins-intl.h"
+#endif
+
+
+/* public functions */
+
+GimpHelpItem *
+gimp_help_item_new (const gchar *ref,
+ const gchar *title,
+ const gchar *sort,
+ const gchar *parent)
+{
+ GimpHelpItem *item = g_slice_new0 (GimpHelpItem);
+
+ item->ref = g_strdup (ref);
+ item->title = g_strdup (title);
+ item->sort = g_strdup (sort);
+ item->parent = g_strdup (parent);
+
+ return item;
+}
+
+void
+gimp_help_item_free (GimpHelpItem *item)
+{
+ g_free (item->ref);
+ g_free (item->title);
+ g_free (item->sort);
+ g_free (item->parent);
+
+ g_list_free (item->children);
+
+ g_slice_free (GimpHelpItem, item);
+}
diff --git a/plug-ins/help/gimphelpitem.h b/plug-ins/help/gimphelpitem.h
new file mode 100644
index 0000000..15c3c7b
--- /dev/null
+++ b/plug-ins/help/gimphelpitem.h
@@ -0,0 +1,47 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_HELP_ITEM_H__
+#define __GIMP_HELP_ITEM_H__
+
+
+struct _GimpHelpItem
+{
+ gchar *ref;
+ gchar *title;
+ gchar *sort; /* optional sort key provided by doc team */
+ gchar *parent;
+
+ /* extra fields used by the help-browser */
+ GList *children;
+ gulong index;
+};
+
+
+GimpHelpItem * gimp_help_item_new (const gchar *ref,
+ const gchar *title,
+ const gchar *sort,
+ const gchar *parent);
+void gimp_help_item_free (GimpHelpItem *item);
+
+
+#endif /* __GIMP_HELP_ITEM_H__ */
diff --git a/plug-ins/help/gimphelplocale.c b/plug-ins/help/gimphelplocale.c
new file mode 100644
index 0000000..c31d044
--- /dev/null
+++ b/plug-ins/help/gimphelplocale.c
@@ -0,0 +1,581 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* This code is written so that it can also be compiled standalone.
+ * It shouldn't depend on libgimp.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <glib-object.h>
+#include <gio/gio.h>
+
+#include "gimphelp.h"
+#include "gimphelpprogress-private.h"
+
+#ifdef DISABLE_NLS
+#define _(String) (String)
+#else
+#include "libgimp/stdplugins-intl.h"
+#endif
+
+#ifdef PLATFORM_OSX
+#include <Foundation/Foundation.h>
+#endif
+
+/* local function prototypes */
+
+static void locale_set_error (GError **error,
+ const gchar *format,
+ GFile *file);
+
+
+/* public functions */
+
+GimpHelpLocale *
+gimp_help_locale_new (const gchar *locale_id)
+{
+ GimpHelpLocale *locale = g_slice_new0 (GimpHelpLocale);
+
+ locale->locale_id = g_strdup (locale_id);
+
+ return locale;
+}
+
+void
+gimp_help_locale_free (GimpHelpLocale *locale)
+{
+ g_return_if_fail (locale != NULL);
+
+ if (locale->help_id_mapping)
+ g_hash_table_destroy (locale->help_id_mapping);
+
+ g_free (locale->locale_id);
+ g_free (locale->help_missing);
+
+ g_list_free (locale->toplevel_items);
+
+ g_slice_free (GimpHelpLocale, locale);
+}
+
+const gchar *
+gimp_help_locale_map (GimpHelpLocale *locale,
+ const gchar *help_id)
+{
+ g_return_val_if_fail (locale != NULL, NULL);
+ g_return_val_if_fail (help_id != NULL, NULL);
+
+ if (locale->help_id_mapping)
+ {
+ GimpHelpItem *item = g_hash_table_lookup (locale->help_id_mapping,
+ help_id);
+
+ if (item)
+ return item->ref;
+ }
+
+ return NULL;
+}
+
+
+/* the locale mapping parser */
+
+typedef enum
+{
+ LOCALE_START,
+ LOCALE_IN_HELP,
+ LOCALE_IN_ITEM,
+ LOCALE_IN_MISSING,
+ LOCALE_IN_UNKNOWN
+} LocaleParserState;
+
+typedef struct
+{
+ GFile *file;
+ LocaleParserState state;
+ LocaleParserState last_known_state;
+ gint markup_depth;
+ gint unknown_depth;
+ GString *value;
+
+ GimpHelpLocale *locale;
+ const gchar *help_domain;
+ gchar *id_attr_name;
+} LocaleParser;
+
+static gboolean locale_parser_parse (GMarkupParseContext *context,
+ GimpHelpProgress *progress,
+ GInputStream *stream,
+ goffset size,
+ GCancellable *cancellable,
+ GError **error);
+static void locale_parser_start_element (GMarkupParseContext *context,
+ const gchar *element_name,
+ const gchar **attribute_names,
+ const gchar **attribute_values,
+ gpointer user_data,
+ GError **error);
+static void locale_parser_end_element (GMarkupParseContext *context,
+ const gchar *element_name,
+ gpointer user_data,
+ GError **error);
+static void locale_parser_error (GMarkupParseContext *context,
+ GError *error,
+ gpointer user_data);
+static void locale_parser_start_unknown (LocaleParser *parser);
+static void locale_parser_end_unknown (LocaleParser *parser);
+static void locale_parser_parse_namespace (LocaleParser *parser,
+ const gchar **names,
+ const gchar **values);
+static void locale_parser_parse_item (LocaleParser *parser,
+ const gchar **names,
+ const gchar **values);
+static void locale_parser_parse_missing (LocaleParser *parser,
+ const gchar **names,
+ const gchar **values);
+
+static const GMarkupParser markup_parser =
+{
+ locale_parser_start_element,
+ locale_parser_end_element,
+ NULL, /* characters */
+ NULL, /* passthrough */
+ locale_parser_error
+};
+
+gboolean
+gimp_help_locale_parse (GimpHelpLocale *locale,
+ const gchar *uri,
+ const gchar *help_domain,
+ GimpHelpProgress *progress,
+ GError **error)
+{
+ GMarkupParseContext *context;
+ GFile *file = NULL;
+ GCancellable *cancellable = NULL;
+ LocaleParser parser = { NULL, };
+#ifdef PLATFORM_OSX
+ NSURL *fileURL;
+ NSString *nsUri;
+ NSData *data;
+ const gchar *str;
+#else
+ GFileInputStream *stream;
+ goffset size = 0;
+#endif
+ gboolean success;
+
+ g_return_val_if_fail (locale != NULL, FALSE);
+ g_return_val_if_fail (uri != NULL, FALSE);
+ g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+ if (locale->help_id_mapping)
+ {
+ g_hash_table_destroy (locale->help_id_mapping);
+ locale->help_id_mapping = NULL;
+ }
+
+ if (locale->help_missing)
+ {
+ g_free (locale->help_missing);
+ locale->help_missing = NULL;
+ }
+
+#ifdef GIMP_HELP_DEBUG
+ g_printerr ("help (%s): parsing '%s' for \"%s\"\n",
+ locale->locale_id, uri, help_domain);
+#endif
+
+ file = g_file_new_for_uri (uri);
+
+ if (progress)
+ {
+ gchar *name = g_file_get_parse_name (file);
+
+ cancellable = g_cancellable_new ();
+ _gimp_help_progress_start (progress, cancellable,
+ _("Loading index from '%s'"), name);
+
+ g_clear_object (&cancellable);
+ g_free (name);
+ }
+
+#ifdef PLATFORM_OSX
+ nsUri = [NSString stringWithUTF8String: uri];
+ fileURL = [NSURL URLWithString: nsUri];
+ [nsUri release];
+
+ if (progress)
+ _gimp_help_progress_pulse (progress);
+
+ /* Load the data from the remote URL into the NSData object */
+ data = [NSData dataWithContentsOfURL:fileURL];
+ [fileURL release];
+
+ if (! data)
+ {
+ locale_set_error (error,
+ _("Could not load data from '%s': %s"), file);
+ g_object_unref (file);
+ return FALSE;
+ }
+
+ if (progress)
+ _gimp_help_progress_pulse (progress);
+#else /* PLATFORM_OSX */
+ if (progress)
+ {
+ GFileInfo *info = g_file_query_info (file,
+ G_FILE_ATTRIBUTE_STANDARD_SIZE, 0,
+ cancellable, error);
+ if (! info)
+ {
+ locale_set_error (error,
+ _("Could not open '%s' for reading: %s"), file);
+ g_object_unref (file);
+
+ return FALSE;
+ }
+
+ size = g_file_info_get_size (info);
+
+ g_object_unref (info);
+ }
+
+ stream = g_file_read (file, cancellable, error);
+
+ if (! stream)
+ {
+ locale_set_error (error,
+ _("Could not open '%s' for reading: %s"), file);
+ g_object_unref (file);
+
+ return FALSE;
+ }
+#endif /* ! PLATFORM_OSX */
+
+ parser.file = file;
+ parser.value = g_string_new (NULL);
+ parser.locale = locale;
+ parser.help_domain = help_domain;
+ parser.id_attr_name = g_strdup ("id");
+
+ context = g_markup_parse_context_new (&markup_parser, 0, &parser, NULL);
+
+#ifdef PLATFORM_OSX
+ str = (const char *)[data bytes];
+
+ if (! g_markup_parse_context_parse (context, str, [data length], error))
+ success = FALSE;
+ else
+ success = g_markup_parse_context_end_parse (context, error);
+
+ [data release];
+#else /* PLATFORM_OSX */
+ success = locale_parser_parse (context, progress,
+ G_INPUT_STREAM (stream), size,
+ cancellable, error);
+
+ g_object_unref (stream);
+#endif /* ! PLATFORM_OSX */
+ if (progress)
+ _gimp_help_progress_finish (progress);
+
+ g_markup_parse_context_free (context);
+
+ g_string_free (parser.value, TRUE);
+ g_free (parser.id_attr_name);
+
+ if (! success)
+ locale_set_error (error, _("Parse error in '%s':\n%s"), file);
+
+ g_object_unref (file);
+
+ return success;
+}
+
+static gboolean
+locale_parser_parse (GMarkupParseContext *context,
+ GimpHelpProgress *progress,
+ GInputStream *stream,
+ goffset size,
+ GCancellable *cancellable,
+ GError **error)
+{
+ gssize len;
+ goffset done = 0;
+ gchar buffer[4096];
+
+ while ((len = g_input_stream_read (stream, buffer, sizeof (buffer),
+ cancellable, error)) != -1)
+ {
+ switch (len)
+ {
+ case 0:
+ return g_markup_parse_context_end_parse (context, error);
+
+ default:
+ done += len;
+
+ if (progress)
+ {
+ if (size > 0)
+ _gimp_help_progress_update (progress, (gdouble) done / size);
+ else
+ _gimp_help_progress_pulse (progress);
+ }
+
+ if (! g_markup_parse_context_parse (context, buffer, len, error))
+ return FALSE;
+ }
+ }
+
+ return FALSE;
+}
+
+static void
+locale_parser_start_element (GMarkupParseContext *context,
+ const gchar *element_name,
+ const gchar **attribute_names,
+ const gchar **attribute_values,
+ gpointer user_data,
+ GError **error)
+{
+ LocaleParser *parser = (LocaleParser *) user_data;
+
+ switch (parser->state)
+ {
+ case LOCALE_START:
+ if (strcmp (element_name, "gimp-help") == 0)
+ {
+ parser->state = LOCALE_IN_HELP;
+ locale_parser_parse_namespace (parser,
+ attribute_names, attribute_values);
+ }
+ else
+ locale_parser_start_unknown (parser);
+ break;
+
+ case LOCALE_IN_HELP:
+ if (strcmp (element_name, "help-item") == 0)
+ {
+ parser->state = LOCALE_IN_ITEM;
+ locale_parser_parse_item (parser,
+ attribute_names, attribute_values);
+ }
+ else if (strcmp (element_name, "help-missing") == 0)
+ {
+ parser->state = LOCALE_IN_MISSING;
+ locale_parser_parse_missing (parser,
+ attribute_names, attribute_values);
+ }
+ else
+ locale_parser_start_unknown (parser);
+ break;
+
+ case LOCALE_IN_ITEM:
+ case LOCALE_IN_MISSING:
+ case LOCALE_IN_UNKNOWN:
+ locale_parser_start_unknown (parser);
+ break;
+ }
+}
+
+static void
+locale_parser_end_element (GMarkupParseContext *context,
+ const gchar *element_name,
+ gpointer user_data,
+ GError **error)
+{
+ LocaleParser *parser = (LocaleParser *) user_data;
+
+ switch (parser->state)
+ {
+ case LOCALE_START:
+ g_warning ("locale_parser: This shouldn't happen.");
+ break;
+
+ case LOCALE_IN_HELP:
+ parser->state = LOCALE_START;
+ break;
+
+ case LOCALE_IN_ITEM:
+ case LOCALE_IN_MISSING:
+ parser->state = LOCALE_IN_HELP;
+ break;
+
+ case LOCALE_IN_UNKNOWN:
+ locale_parser_end_unknown (parser);
+ break;
+ }
+}
+
+static void
+locale_parser_error (GMarkupParseContext *context,
+ GError *error,
+ gpointer user_data)
+{
+ LocaleParser *parser = (LocaleParser *) user_data;
+ gchar *name = g_file_get_parse_name (parser->file);
+
+ g_printerr ("help (parsing %s): %s", name, error->message);
+
+ g_free (name);
+}
+
+static void
+locale_parser_start_unknown (LocaleParser *parser)
+{
+ if (parser->unknown_depth == 0)
+ parser->last_known_state = parser->state;
+
+ parser->state = LOCALE_IN_UNKNOWN;
+ parser->unknown_depth++;
+}
+
+static void
+locale_parser_end_unknown (LocaleParser *parser)
+{
+ g_assert (parser->unknown_depth > 0 && parser->state == LOCALE_IN_UNKNOWN);
+
+ parser->unknown_depth--;
+
+ if (parser->unknown_depth == 0)
+ parser->state = parser->last_known_state;
+}
+
+static void
+locale_parser_parse_namespace (LocaleParser *parser,
+ const gchar **names,
+ const gchar **values)
+{
+ for (; *names && *values; names++, values++)
+ {
+ if (! strncmp (*names, "xmlns:", 6) &&
+ ! strcmp (*values, parser->help_domain))
+ {
+ g_free (parser->id_attr_name);
+ parser->id_attr_name = g_strdup_printf ("%s:id", *names + 6);
+
+#ifdef GIMP_HELP_DEBUG
+ g_printerr ("help (%s): id attribute name for \"%s\" is \"%s\"\n",
+ parser->locale->locale_id,
+ parser->help_domain,
+ parser->id_attr_name);
+#endif
+ }
+ }
+}
+
+static void
+locale_parser_parse_item (LocaleParser *parser,
+ const gchar **names,
+ const gchar **values)
+{
+ const gchar *id = NULL;
+ const gchar *ref = NULL;
+ const gchar *title = NULL;
+ const gchar *sort = NULL; /* optional sort key provided by doc team */
+ const gchar *parent = NULL;
+
+ for (; *names && *values; names++, values++)
+ {
+ if (! strcmp (*names, parser->id_attr_name))
+ id = *values;
+
+ if (! strcmp (*names, "ref"))
+ ref = *values;
+
+ if (! strcmp (*names, "title"))
+ title = *values;
+
+ if (! strcmp (*names, "sort"))
+ sort = *values;
+
+ if (! strcmp (*names, "parent"))
+ parent = *values;
+ }
+
+ if (id && ref)
+ {
+ if (! parser->locale->help_id_mapping)
+ parser->locale->help_id_mapping =
+ g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ g_free,
+ (GDestroyNotify) gimp_help_item_free);
+
+ g_hash_table_insert (parser->locale->help_id_mapping,
+ g_strdup (id),
+ gimp_help_item_new (ref, title, sort, parent));
+
+#ifdef GIMP_HELP_DEBUG
+ g_printerr ("help (%s): added mapping \"%s\" -> \"%s\"\n",
+ parser->locale->locale_id, id, ref);
+#endif
+ }
+}
+
+static void
+locale_parser_parse_missing (LocaleParser *parser,
+ const gchar **names,
+ const gchar **values)
+{
+ const gchar *ref = NULL;
+
+ for (; *names && *values; names++, values++)
+ {
+ if (! strcmp (*names, "ref"))
+ ref = *values;
+ }
+
+ if (ref &&
+ parser->locale->help_missing == NULL)
+ {
+ parser->locale->help_missing = g_strdup (ref);
+
+#ifdef GIMP_HELP_DEBUG
+ g_printerr ("help (%s): added fallback for missing help -> \"%s\"\n",
+ parser->locale->locale_id, ref);
+#endif
+ }
+}
+
+static void
+locale_set_error (GError **error,
+ const gchar *format,
+ GFile *file)
+{
+ if (error && *error)
+ {
+ gchar *name = g_file_get_parse_name (file);
+ gchar *msg;
+
+ msg = g_strdup_printf (format, name, (*error)->message);
+ g_free (name);
+
+ g_free ((*error)->message);
+ (*error)->message = msg;
+ }
+}
diff --git a/plug-ins/help/gimphelplocale.h b/plug-ins/help/gimphelplocale.h
new file mode 100644
index 0000000..8dd57a6
--- /dev/null
+++ b/plug-ins/help/gimphelplocale.h
@@ -0,0 +1,51 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_HELP_LOCALE_H__
+#define __GIMP_HELP_LOCALE_H__
+
+
+struct _GimpHelpLocale
+{
+ gchar *locale_id;
+ GHashTable *help_id_mapping;
+ gchar *help_missing;
+
+ /* eek */
+ GList *toplevel_items;
+};
+
+
+GimpHelpLocale * gimp_help_locale_new (const gchar *locale_id);
+void gimp_help_locale_free (GimpHelpLocale *locale);
+
+const gchar * gimp_help_locale_map (GimpHelpLocale *locale,
+ const gchar *help_id);
+
+gboolean gimp_help_locale_parse (GimpHelpLocale *locale,
+ const gchar *uri,
+ const gchar *help_domain,
+ GimpHelpProgress *progress,
+ GError **error);
+
+
+#endif /* __GIMP_HELP_LOCALE_H__ */
diff --git a/plug-ins/help/gimphelpprogress-private.h b/plug-ins/help/gimphelpprogress-private.h
new file mode 100644
index 0000000..d83e45f
--- /dev/null
+++ b/plug-ins/help/gimphelpprogress-private.h
@@ -0,0 +1,39 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_HELP_PROGRESS_PRIVATE_H__
+#define __GIMP_HELP_PROGRESS_PRIVATE_H__
+
+
+/* internal API */
+
+void _gimp_help_progress_start (GimpHelpProgress *progress,
+ GCancellable *cancellable,
+ const gchar *format,
+ ...) G_GNUC_PRINTF (3, 4) G_GNUC_INTERNAL;
+void _gimp_help_progress_update (GimpHelpProgress *progress,
+ gdouble percentage) G_GNUC_INTERNAL;
+void _gimp_help_progress_pulse (GimpHelpProgress *progress) G_GNUC_INTERNAL;
+void _gimp_help_progress_finish (GimpHelpProgress *progress) G_GNUC_INTERNAL;
+
+
+#endif /* ! __GIMP_HELP_PROGRESS_PRIVATE_H__ */
diff --git a/plug-ins/help/gimphelpprogress.c b/plug-ins/help/gimphelpprogress.c
new file mode 100644
index 0000000..dd4b224
--- /dev/null
+++ b/plug-ins/help/gimphelpprogress.c
@@ -0,0 +1,150 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* This code is written so that it can also be compiled standalone.
+ * It shouldn't depend on libgimp.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gio/gio.h>
+
+#include "gimphelptypes.h"
+#include "gimphelpprogress.h"
+#include "gimphelpprogress-private.h"
+
+
+struct _GimpHelpProgress
+{
+ GimpHelpProgressVTable vtable;
+ gpointer user_data;
+
+ GCancellable *cancellable;
+};
+
+
+GimpHelpProgress *
+gimp_help_progress_new (const GimpHelpProgressVTable *vtable,
+ gpointer user_data)
+{
+ GimpHelpProgress *progress;
+
+ g_return_val_if_fail (vtable != NULL, NULL);
+
+ progress = g_slice_new0 (GimpHelpProgress);
+
+ progress->vtable.start = vtable->start;
+ progress->vtable.end = vtable->end;
+ progress->vtable.set_value = vtable->set_value;
+
+ progress->user_data = user_data;
+
+ return progress;
+}
+
+void
+gimp_help_progress_free (GimpHelpProgress *progress)
+{
+ g_return_if_fail (progress != NULL);
+
+ if (progress->cancellable)
+ {
+ g_object_unref (progress->cancellable);
+ progress->cancellable = NULL;
+ }
+
+ g_slice_free (GimpHelpProgress, progress);
+}
+
+void
+gimp_help_progress_cancel (GimpHelpProgress *progress)
+{
+ g_return_if_fail (progress != NULL);
+
+ if (progress->cancellable)
+ g_cancellable_cancel (progress->cancellable);
+}
+
+
+void
+_gimp_help_progress_start (GimpHelpProgress *progress,
+ GCancellable *cancellable,
+ const gchar *format,
+ ...)
+{
+ gchar *message;
+ va_list args;
+
+ g_return_if_fail (progress != NULL);
+
+ if (cancellable)
+ g_object_ref (cancellable);
+
+ if (progress->cancellable)
+ g_object_unref (progress->cancellable);
+
+ progress->cancellable = cancellable;
+
+ va_start (args, format);
+ message = g_strdup_vprintf (format, args);
+ va_end (args);
+
+ if (progress->vtable.start)
+ progress->vtable.start (message, cancellable != NULL, progress->user_data);
+
+ g_free (message);
+}
+
+void
+_gimp_help_progress_update (GimpHelpProgress *progress,
+ gdouble percentage)
+{
+ g_return_if_fail (progress != NULL);
+
+ if (progress->vtable.set_value)
+ progress->vtable.set_value (percentage, progress->user_data);
+}
+
+void
+_gimp_help_progress_pulse (GimpHelpProgress *progress)
+{
+ g_return_if_fail (progress != NULL);
+
+ _gimp_help_progress_update (progress, -1.0);
+}
+
+void
+_gimp_help_progress_finish (GimpHelpProgress *progress)
+{
+ g_return_if_fail (progress != NULL);
+
+ if (progress->vtable.end)
+ progress->vtable.end (progress->user_data);
+
+ if (progress->cancellable)
+ {
+ g_object_unref (progress->cancellable);
+ progress->cancellable = NULL;
+ }
+}
diff --git a/plug-ins/help/gimphelpprogress.h b/plug-ins/help/gimphelpprogress.h
new file mode 100644
index 0000000..d7fdb32
--- /dev/null
+++ b/plug-ins/help/gimphelpprogress.h
@@ -0,0 +1,51 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_HELP_PROGRESS_H__
+#define __GIMP_HELP_PROGRESS_H__
+
+
+typedef struct
+{
+ void (* start) (const gchar *message,
+ gboolean cancelable,
+ gpointer user_data);
+ void (* end) (gpointer user_data);
+ void (* set_value) (gdouble percentage,
+ gpointer user_data);
+
+ /* Padding for future expansion. Must be initialized with NULL! */
+ void (* _gimp_reserved1) (void);
+ void (* _gimp_reserved2) (void);
+ void (* _gimp_reserved3) (void);
+ void (* _gimp_reserved4) (void);
+} GimpHelpProgressVTable;
+
+
+GimpHelpProgress * gimp_help_progress_new (const GimpHelpProgressVTable *vtable,
+ gpointer user_data);
+void gimp_help_progress_free (GimpHelpProgress *progress);
+
+void gimp_help_progress_cancel (GimpHelpProgress *progress);
+
+
+#endif /* ! __GIMP_HELP_PROGRESS_H__ */
diff --git a/plug-ins/help/gimphelptypes.h b/plug-ins/help/gimphelptypes.h
new file mode 100644
index 0000000..4937d6f
--- /dev/null
+++ b/plug-ins/help/gimphelptypes.h
@@ -0,0 +1,33 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_HELP_TYPES_H__
+#define __GIMP_HELP_TYPES_H__
+
+
+typedef struct _GimpHelpDomain GimpHelpDomain;
+typedef struct _GimpHelpItem GimpHelpItem;
+typedef struct _GimpHelpLocale GimpHelpLocale;
+typedef struct _GimpHelpProgress GimpHelpProgress;
+
+
+#endif /* ! __GIMP_HELP_TYPES_H__ */
diff --git a/plug-ins/help/help.c b/plug-ins/help/help.c
new file mode 100644
index 0000000..8d913b7
--- /dev/null
+++ b/plug-ins/help/help.c
@@ -0,0 +1,352 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * The GIMP Help plug-in
+ * Copyright (C) 1999-2008 Sven Neumann <sven@gimp.org>
+ * Michael Natterer <mitch@gimp.org>
+ * Henrik Brix Andersen <brix@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h> /* strlen */
+
+#include <glib.h>
+
+#include "libgimp/gimp.h"
+
+#include "gimphelp.h"
+
+#include "libgimp/stdplugins-intl.h"
+
+
+/* defines */
+
+#define GIMP_HELP_EXT_PROC "extension-gimp-help"
+#define GIMP_HELP_TEMP_EXT_PROC "extension-gimp-help-temp"
+
+
+typedef struct
+{
+ gchar *procedure;
+ gchar *help_domain;
+ gchar *help_locales;
+ gchar *help_id;
+} IdleHelp;
+
+
+/* forward declarations */
+
+static void query (void);
+static void run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals);
+
+static void temp_proc_install (void);
+static void temp_proc_run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals);
+
+static void load_help (const gchar *procedure,
+ const gchar *help_domain,
+ const gchar *help_locales,
+ const gchar *help_id);
+static gboolean load_help_idle (gpointer data);
+
+static GimpHelpProgress * load_help_progress_new (void);
+
+
+/* local variables */
+
+static GMainLoop *main_loop = NULL;
+
+const GimpPlugInInfo PLUG_IN_INFO =
+{
+ NULL, /* init_proc */
+ NULL, /* quit_proc */
+ query, /* query_proc */
+ run, /* run_proc */
+};
+
+
+MAIN ()
+
+static void
+query (void)
+{
+ static const GimpParamDef args[] =
+ {
+ { GIMP_PDB_INT32, "num-domain-names", "" },
+ { GIMP_PDB_STRINGARRAY, "domain-names", "" },
+ { GIMP_PDB_INT32, "num-domain-uris", "" },
+ { GIMP_PDB_STRINGARRAY, "domain-uris", "" }
+ };
+
+ gimp_install_procedure (GIMP_HELP_EXT_PROC,
+ "", /* FIXME */
+ "", /* FIXME */
+ "Sven Neumann <sven@gimp.org>, "
+ "Michael Natterer <mitch@gimp.org>, "
+ "Henrik Brix Andersen <brix@gimp.org>",
+ "Sven Neumann, Michael Natterer & Henrik Brix Andersen",
+ "1999-2008",
+ NULL,
+ "",
+ GIMP_EXTENSION,
+ G_N_ELEMENTS (args), 0,
+ args, NULL);
+}
+
+static void
+run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals)
+{
+ static GimpParam values[1];
+ GimpPDBStatusType status = GIMP_PDB_SUCCESS;
+
+ INIT_I18N ();
+
+ /* make sure all the arguments are there */
+ if (nparams == 4)
+ {
+ if (! gimp_help_init (param[0].data.d_int32,
+ param[1].data.d_stringarray,
+ param[2].data.d_int32,
+ param[3].data.d_stringarray))
+ {
+ status = GIMP_PDB_CALLING_ERROR;
+ }
+ }
+ else
+ {
+ g_printerr ("help: wrong number of arguments in procedure call.\n");
+
+ status = GIMP_PDB_CALLING_ERROR;
+ }
+
+ if (status == GIMP_PDB_SUCCESS)
+ {
+ main_loop = g_main_loop_new (NULL, FALSE);
+
+ temp_proc_install ();
+
+ gimp_extension_ack ();
+ gimp_extension_enable ();
+
+ g_main_loop_run (main_loop);
+
+ g_main_loop_unref (main_loop);
+ main_loop = NULL;
+
+ gimp_uninstall_temp_proc (GIMP_HELP_TEMP_EXT_PROC);
+ }
+
+ values[0].type = GIMP_PDB_STATUS;
+ values[0].data.d_status = status;
+
+ *nreturn_vals = 1;
+ *return_vals = values;
+}
+
+static void
+temp_proc_install (void)
+{
+ static const GimpParamDef args[] =
+ {
+ { GIMP_PDB_STRING, "procedure", "The procedure of the browser to use" },
+ { GIMP_PDB_STRING, "help-domain", "Help domain to use" },
+ { GIMP_PDB_STRING, "help-locales", "Language to use" },
+ { GIMP_PDB_STRING, "help-id", "Help ID to open" }
+ };
+
+ gimp_install_temp_proc (GIMP_HELP_TEMP_EXT_PROC,
+ "DON'T USE THIS ONE",
+ "(Temporary procedure)",
+ "Sven Neumann <sven@gimp.org>, "
+ "Michael Natterer <mitch@gimp.org>"
+ "Henrik Brix Andersen <brix@gimp.org",
+ "Sven Neumann, Michael Natterer & Henrik Brix Andersen",
+ "1999-2008",
+ NULL,
+ "",
+ GIMP_TEMPORARY,
+ G_N_ELEMENTS (args), 0,
+ args, NULL,
+ temp_proc_run);
+}
+
+static void
+temp_proc_run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals)
+{
+ static GimpParam values[1];
+ GimpPDBStatusType status = GIMP_PDB_SUCCESS;
+ const gchar *procedure = NULL;
+ const gchar *help_domain = GIMP_HELP_DEFAULT_DOMAIN;
+ const gchar *help_locales = NULL;
+ const gchar *help_id = GIMP_HELP_DEFAULT_ID;
+
+ *nreturn_vals = 1;
+ *return_vals = values;
+
+ /* make sure all the arguments are there */
+ if (nparams == 4)
+ {
+ if (param[0].data.d_string && strlen (param[0].data.d_string))
+ procedure = param[0].data.d_string;
+
+ if (param[1].data.d_string && strlen (param[1].data.d_string))
+ help_domain = param[1].data.d_string;
+
+ if (param[2].data.d_string && strlen (param[2].data.d_string))
+ help_locales = param[2].data.d_string;
+
+ if (param[3].data.d_string && strlen (param[3].data.d_string))
+ help_id = param[3].data.d_string;
+ }
+
+ if (! procedure)
+ status = GIMP_PDB_CALLING_ERROR;
+
+ values[0].type = GIMP_PDB_STATUS;
+ values[0].data.d_status = status;
+
+ if (status == GIMP_PDB_SUCCESS)
+ load_help (procedure, help_domain, help_locales, help_id);
+}
+
+static void
+load_help (const gchar *procedure,
+ const gchar *help_domain,
+ const gchar *help_locales,
+ const gchar *help_id)
+{
+ IdleHelp *idle_help = g_slice_new (IdleHelp);
+
+ idle_help->procedure = g_strdup (procedure);
+ idle_help->help_domain = g_strdup (help_domain);
+ idle_help->help_locales = g_strdup (help_locales);
+ idle_help->help_id = g_strdup (help_id);
+
+ g_idle_add (load_help_idle, idle_help);
+}
+
+static gboolean
+load_help_idle (gpointer data)
+{
+ IdleHelp *idle_help = data;
+ GimpHelpDomain *domain;
+
+ domain = gimp_help_lookup_domain (idle_help->help_domain);
+
+ if (domain)
+ {
+ GimpHelpProgress *progress = NULL;
+ GList *locales;
+ gchar *uri;
+ gboolean fatal_error;
+
+ locales = gimp_help_parse_locales (idle_help->help_locales);
+
+ if (! g_str_has_prefix (domain->help_uri, "file:"))
+ progress = load_help_progress_new ();
+
+ uri = gimp_help_domain_map (domain, locales, idle_help->help_id,
+ progress, NULL, &fatal_error);
+
+ if (progress)
+ gimp_help_progress_free (progress);
+
+ g_list_free_full (locales, (GDestroyNotify) g_free);
+
+ if (uri)
+ {
+ GimpParam *return_vals;
+ gint n_return_vals;
+
+#ifdef GIMP_HELP_DEBUG
+ g_printerr ("help: calling '%s' for '%s'\n",
+ idle_help->procedure, uri);
+#endif
+
+ return_vals = gimp_run_procedure (idle_help->procedure,
+ &n_return_vals,
+ GIMP_PDB_STRING, uri,
+ GIMP_PDB_END);
+
+ gimp_destroy_params (return_vals, n_return_vals);
+
+ g_free (uri);
+ }
+ else if (fatal_error)
+ {
+ g_main_loop_quit (main_loop);
+ }
+ }
+
+ g_free (idle_help->procedure);
+ g_free (idle_help->help_domain);
+ g_free (idle_help->help_locales);
+ g_free (idle_help->help_id);
+
+ g_slice_free (IdleHelp, idle_help);
+
+ return FALSE;
+}
+
+static void
+load_help_progress_start (const gchar *message,
+ gboolean cancelable,
+ gpointer user_data)
+{
+ gimp_progress_init (message);
+}
+
+static void
+load_help_progress_update (gdouble value,
+ gpointer user_data)
+{
+ gimp_progress_update (value);
+}
+
+static void
+load_help_progress_end (gpointer user_data)
+{
+ gimp_progress_end ();
+}
+
+static GimpHelpProgress *
+load_help_progress_new (void)
+{
+ static const GimpHelpProgressVTable vtable =
+ {
+ load_help_progress_start,
+ load_help_progress_end,
+ load_help_progress_update
+ };
+
+ return gimp_help_progress_new (&vtable, NULL);
+}