From aa60a0e14a2f186f1b8d282fdc377889a32fada9 Mon Sep 17 00:00:00 2001
From: Johannes Hofmann <johannes.hofmann@gmx.de>
Date: Wed, 13 Oct 2004 16:03:08 +0000
Subject: - add save/restore for tags - minor fixes for tag handling

- add save/restore for tags
- minor fixes for tag handling
---
 src/PSEditWidget.cxx |  8 ++++++--
 src/Postscript.H     |  3 ++-
 src/Postscript.cxx   | 13 ++++++++++++-
 src/flpsed.cxx       | 13 +++++++------
 4 files changed, 27 insertions(+), 10 deletions(-)

diff --git a/src/PSEditWidget.cxx b/src/PSEditWidget.cxx
index f6de76d..c10d550 100644
--- a/src/PSEditWidget.cxx
+++ b/src/PSEditWidget.cxx
@@ -1,5 +1,5 @@
 // 
-// "$Id: PSEditWidget.cxx,v 1.16 2004/10/12 20:52:23 hofmann Exp $"
+// "$Id: PSEditWidget.cxx,v 1.17 2004/10/13 18:03:08 hofmann Exp $"
 //
 // PSEditWidget routines.
 //
@@ -311,7 +311,11 @@ int PSText::set_tag(const char *t) {
   if (tag) {
     free(tag);
   }
-  tag = strdup(t);
+  if (t) {
+    tag = strdup(t);
+  } else {
+    tag = NULL;
+  }
   gsew->redraw();
   return 0;
 }
diff --git a/src/Postscript.H b/src/Postscript.H
index bd4b4c2..72c4492 100644
--- a/src/Postscript.H
+++ b/src/Postscript.H
@@ -1,5 +1,5 @@
 // 
-// "$Id: Postscript.H,v 1.2 2004/07/09 21:27:00 hofmann Exp $"
+// "$Id: Postscript.H,v 1.3 2004/10/13 18:03:08 hofmann Exp $"
 //
 // X11 header file for the Fast Light Tool Kit (FLTK).
 //
@@ -59,6 +59,7 @@ class PSWriter {
   char * size_format;
   char * text_format;
   char * glyph_format;
+  char * tag_format;
   void write_string(FILE *out, char *s);
   void write_internal_format(FILE *out);
   int write_text(FILE *out, PSText *t);
diff --git a/src/Postscript.cxx b/src/Postscript.cxx
index 7fdabcc..5461483 100644
--- a/src/Postscript.cxx
+++ b/src/Postscript.cxx
@@ -1,5 +1,5 @@
 // 
-// "$Id: Postscript.cxx,v 1.8 2004/10/12 17:14:16 hofmann Exp $"
+// "$Id: Postscript.cxx,v 1.9 2004/10/13 18:03:08 hofmann Exp $"
 //
 // Postscript handling routines.
 //
@@ -28,6 +28,7 @@
 #define PS_SIZE_FORMAT  "/HelveticaNeue-Roman findfont %d scalefont setfont"\
                         " %% PSEditWidget\n"
 #define PS_GLYPH_FORMAT "/%s glyphshow %% PSEditWidget\n"
+#define PS_TAG_FORMAT   ""
 
 //
 // PSEditWidget internal format as PostScript comments
@@ -42,6 +43,7 @@
 #define PSEDIT_TEXT_FORMAT_SCAN   "%% PSEditWidget: TEXT (%[^)])\n"
 #define PSEDIT_SIZE_FORMAT        "%% PSEditWidget: SIZE %d\n"
 #define PSEDIT_GLYPH_FORMAT       "%% PSEditWidget: GLYPH %s\n"
+#define PSEDIT_TAG_FORMAT       "%% PSEditWidget: TAG %s\n"
 
 //
 // Marker to set page number. This is necessary for viewers like ghostview
@@ -166,6 +168,9 @@ int PSParser_2::parse(char *line) {
   } else if (inside && sscanf(line, PSEDIT_TEXT_FORMAT_SCAN, buf) == 1) {
     pse->append_text(buf);
     return 1;
+  } else if (inside && sscanf(line, PSEDIT_TAG_FORMAT, buf) == 1) {
+    pse->set_tag(buf);
+    return 1;
   } else if (inside) {
     return 1;
   } else if (sscanf(line, PSEDIT_PAGE_MARKER, &dummy) == 1) {
@@ -204,6 +209,7 @@ int PSWriter::write(FILE *in, FILE *out) {
       size_format  = PS_SIZE_FORMAT;
       text_format  = PS_TEXT_FORMAT;
       glyph_format = PS_GLYPH_FORMAT;
+      tag_format   = PS_TAG_FORMAT;
 
       fprintf(out, "\n");
       fprintf(out, ps_header());
@@ -237,6 +243,7 @@ void PSWriter::write_internal_format(FILE *out) {
   size_format  = PSEDIT_SIZE_FORMAT;
   text_format  = PSEDIT_TEXT_FORMAT_PRINT;
   glyph_format = PSEDIT_GLYPH_FORMAT;
+  tag_format   = PSEDIT_TAG_FORMAT;
 
   for (int i=1;i<pse->get_max_pages();i++) {
     if (pse->get_text(i)) {
@@ -285,6 +292,10 @@ int PSWriter::write_text(FILE *out, PSText *t) {
     fprintf(out, pos_format, 
 	    pse->ps_x(t->get_x()), 
 	    pse->ps_y(t->get_y()));
+    if (t->get_tag()) {
+      fprintf(out, tag_format, t->get_tag());
+    }
+
     write_string(out, s);
   }
   
diff --git a/src/flpsed.cxx b/src/flpsed.cxx
index be72d7d..eb85736 100644
--- a/src/flpsed.cxx
+++ b/src/flpsed.cxx
@@ -1,5 +1,5 @@
 // 
-// "$Id: flpsed.cxx,v 1.15 2004/10/12 20:52:23 hofmann Exp $"
+// "$Id: flpsed.cxx,v 1.16 2004/10/13 18:03:08 hofmann Exp $"
 //
 // flpsed program.
 //
@@ -139,7 +139,6 @@ void about_cb() {
 	     "PostScript is a registered trademark of Adobe Systems");
 }
 
-
 void size_cb(Fl_Widget *w, void *) {
   Fl_Menu_* mw = (Fl_Menu_*)w;
   const Fl_Menu_Item* m = mw->mvalue();
@@ -157,10 +156,12 @@ void edit_tag_cb() {
   char *tag = gsw_p->get_tag();
   const char *new_tag;
   new_tag = fl_input("Tag Name", tag?tag:"");
-  if (strcmp(new_tag, "") != 0) {
-    gsw_p->set_tag(new_tag);
-  } else {
-    gsw_p->set_tag(NULL);
+  if (new_tag) {
+    if (strcmp(new_tag, "") != 0) {
+      gsw_p->set_tag(new_tag);
+    } else {
+      gsw_p->set_tag(NULL);
+    }
   }
 }
 
-- 
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