[evince] [windows] Guess texmf.cnf location from mktexpk executable

[Jan-Joost Spanjers <jspanjers src gnome org>]

commit 88f8f66524a6f62263ca721e7289c3218e450f2c
Author: Hib Eris <hib hiberis nl>
Date:   Wed Jan 27 08:11:31 2010 +0100

    [windows] Guess texmf.cnf location from mktexpk executable
    
    Fixes bgo#602910.

 backend/dvi/Makefile.am        |    2 +
 backend/dvi/dvi-document.c     |    7 ++++-
 backend/dvi/mdvi-lib/mdvi.h    |    2 +-
 backend/dvi/mdvi-lib/private.h |    1 +
 backend/dvi/mdvi-lib/setup.c   |    5 ++-
 backend/dvi/texmfcnf.c         |   64 ++++++++++++++++++++++++++++++++++++++++
 backend/dvi/texmfcnf.h         |   34 +++++++++++++++++++++
 7 files changed, 112 insertions(+), 3 deletions(-)
---
diff --git a/backend/dvi/Makefile.am b/backend/dvi/Makefile.am
index 93aad73..95b034e 100644
--- a/backend/dvi/Makefile.am
+++ b/backend/dvi/Makefile.am
@@ -18,6 +18,8 @@ libdvidocument_la_SOURCES = 	\
 	dvi-document.h  	\
 	cairo-device.c		\
 	cairo-device.h		\
+	texmfcnf.c		\
+	texmfcnf.h		\
 	fonts.c			\
 	fonts.h
 
diff --git a/backend/dvi/dvi-document.c b/backend/dvi/dvi-document.c
index 5c4ecea..d1411a8 100644
--- a/backend/dvi/dvi-document.c
+++ b/backend/dvi/dvi-document.c
@@ -20,6 +20,7 @@
 #include "config.h"
 
 #include "dvi-document.h"
+#include "texmfcnf.h"
 #include "ev-document-thumbnails.h"
 #include "ev-document-misc.h"
 #include "ev-file-exporter.h"
@@ -239,10 +240,14 @@ dvi_document_class_init (DviDocumentClass *klass)
 {
 	GObjectClass    *gobject_class = G_OBJECT_CLASS (klass);
 	EvDocumentClass *ev_document_class = EV_DOCUMENT_CLASS (klass);
+	gchar *texmfcnf;
 
 	gobject_class->finalize = dvi_document_finalize;
 
-	mdvi_init_kpathsea ("evince", MDVI_MFMODE, MDVI_FALLBACK_FONT, MDVI_DPI);
+	texmfcnf = get_texmfcnf();
+	mdvi_init_kpathsea ("evince", MDVI_MFMODE, MDVI_FALLBACK_FONT, MDVI_DPI, texmfcnf);
+	g_free(texmfcnf);
+
 	mdvi_register_special ("Color", "color", NULL, dvi_document_do_color_special, 1);
 	mdvi_register_fonts ();
 
diff --git a/backend/dvi/mdvi-lib/mdvi.h b/backend/dvi/mdvi-lib/mdvi.h
index 78244a4..e8c58e2 100644
--- a/backend/dvi/mdvi-lib/mdvi.h
+++ b/backend/dvi/mdvi-lib/mdvi.h
@@ -490,7 +490,7 @@ extern void	flush_font_metrics __PROTO((void));
 
 extern void	mdvi_sort_pages __PROTO((DviContext *, DviPageSort));
 
-extern void mdvi_init_kpathsea __PROTO((const char *, const char *, const char *, int));
+extern void mdvi_init_kpathsea __PROTO((const char *, const char *, const char *, int, const char *));
 
 extern DviContext* mdvi_init_context __PROTO((DviParams *, DviPageSpec *, const char *));
 extern void 	mdvi_destroy_context __PROTO((DviContext *));
diff --git a/backend/dvi/mdvi-lib/private.h b/backend/dvi/mdvi-lib/private.h
index 5995f49..6564c25 100644
--- a/backend/dvi/mdvi-lib/private.h
+++ b/backend/dvi/mdvi-lib/private.h
@@ -39,6 +39,7 @@
 #include <kpathsea/proginit.h>
 #include <kpathsea/progname.h>
 #include <kpathsea/tex-make.h>
+#include <kpathsea/lib.h>
 
 #define ISSP(p)		(*(p) == ' ' || *(p) == '\t')
 #define SKIPSP(p)	while(ISSP(p)) p++
diff --git a/backend/dvi/mdvi-lib/setup.c b/backend/dvi/mdvi-lib/setup.c
index 1e60a5b..a75f028 100644
--- a/backend/dvi/mdvi-lib/setup.c
+++ b/backend/dvi/mdvi-lib/setup.c
@@ -26,7 +26,8 @@
 #include "private.h"
 
 void	mdvi_init_kpathsea(const char *program, 
-	const char *mfmode, const char *font, int dpi)
+	const char *mfmode, const char *font, int dpi,
+	const char *texmfcnf)
 {
 	const char *p;
 
@@ -41,5 +42,7 @@ void	mdvi_init_kpathsea(const char *program,
 	kpse_set_program_enabled(kpse_pk_format, 1, kpse_src_compile);
 	kpse_set_program_enabled(kpse_tfm_format, 1, kpse_src_compile);
 	kpse_set_program_enabled(kpse_ofm_format, 1, kpse_src_compile);
+	if (texmfcnf != NULL)
+		xputenv("TEXMFCNF", texmfcnf);
 }
 
diff --git a/backend/dvi/texmfcnf.c b/backend/dvi/texmfcnf.c
new file mode 100644
index 0000000..72fbff2
--- /dev/null
+++ b/backend/dvi/texmfcnf.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2010, Hib Eris <hib hiberis nl>
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "config.h"
+
+#include "texmfcnf.h"
+
+#include <glib.h>
+#include <stdlib.h>
+#ifdef G_OS_WIN32
+#include <windows.h>
+#endif
+
+gchar *
+get_texmfcnf(void)
+{
+	char *env = getenv("TEXMFCNF");
+	if (env)
+		return g_strdup(env);
+
+#ifdef G_OS_WIN32
+	gchar *texmfcnf = NULL;
+	TCHAR path[_MAX_PATH];
+
+	if (SearchPath(NULL, "mktexpk", ".exe", _MAX_PATH, path, NULL))
+	{
+		gchar *sdir, *sdir_parent, *sdir_grandparent;
+		const gchar *texmfcnf_fmt = "{%s,%s,%s}{,{/share,}/texmf{-local,}/web2c}";
+
+		sdir = g_path_get_dirname(path);
+		sdir_parent = g_path_get_dirname(sdir);
+		sdir_grandparent = g_path_get_dirname(sdir_parent);
+
+		texmfcnf = g_strdup_printf(texmfcnf_fmt,
+			sdir, sdir_parent, sdir_grandparent);
+
+		g_free(sdir);
+		g_free(sdir_parent);
+		g_free(sdir_grandparent);
+	}
+	return texmfcnf;
+#else
+	return NULL;
+#endif
+}
+
+
+
+
diff --git a/backend/dvi/texmfcnf.h b/backend/dvi/texmfcnf.h
new file mode 100644
index 0000000..e5c81cb
--- /dev/null
+++ b/backend/dvi/texmfcnf.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2010, Hib Eris <hib hiberis nl>
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef TEXMFCNF_H
+#define TEXMFCNF_H
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+gchar *get_texmfcnf(void);
+
+G_END_DECLS
+
+#endif /* TEXMFCNF_H */
+
+
+
+