1 files changed, 154 insertions, 0 deletions
diff --git a/src/PSEditor.cxx b/src/PSEditor.cxx
new file mode 100644
index 0000000..db501fd
--- /dev/null
+++ b/src/PSEditor.cxx
@@ -0,0 +1,154 @@
+// 
+// "$Id: PSEditor.cxx,v 1.1 2004/07/09 17:22:55 hofmann Exp $"
+//
+// PSEditor routines.
+//
+// Copyright 2004 by Johannes Hofmann
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library 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
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+
+#include <errno.h>
+#include <FL/fl_ask.H>
+#include "PSEditor.H"
+#include "Postscript.H"
+
+PSEditor::PSEditor(int X,int Y,int W, int H) : PSEditWidget(X, Y, W, H) {
+  loaded = 0;
+  mod = 0;
+}
+
+int PSEditor::handle(int event) {
+  switch(event) {
+  case FL_PUSH:
+    if (!file_loaded()) {
+      fl_beep();
+      return 0;
+    }
+    
+    mark_x = Fl::event_x()-x();
+    mark_y = Fl::event_y()-y();
+    
+    if (!set_cur_text(mark_x, mark_y) == 0) {
+      new_text(mark_x, mark_y, "");
+      mod++;
+    }
+
+    Fl::focus(this);
+    return 1;
+  case FL_DRAG:
+    move(Fl::event_x()-x(), Fl::event_y()-y());
+    mod++;
+    return 1;
+  case FL_KEYBOARD:
+    {
+      int del;
+      int key = Fl::event_key();
+      if (key == FL_BackSpace) {
+	rm_char();  
+	mod++;
+      } else if (Fl::compose(del)) {
+	if (del > 0) {
+	  for (int i=0; i<del; i++) rm_char();
+	  mod++;
+	}
+	if (Fl::event_length()) {
+	  append_text(Fl::event_text());
+	  mod++;
+	}
+      } else {
+	return 0;
+      }
+      
+      return 1;
+    }
+  case FL_FOCUS:
+    return 1;
+  case FL_UNFOCUS:
+    return 0;
+  }
+  return 0;
+}
+
+
+int PSEditor::modified() {
+  return mod;
+}
+
+int PSEditor::file_loaded() {
+  return loaded;
+}
+
+int PSEditor::load(char *f) {
+  FILE *fp = fopen(f, "r");
+  char tmpname[256];
+  char linebuf[1024];
+  int size, ret, ret1, ret2;
+  PSParser *p1 = new PSParser_1(this);
+  PSParser *p2 = new PSParser_2(this);
+  
+  strncpy(tmpname, "/tmp/PSEditorXXXXXX", 256);
+  tmp_fd = mkstemp(tmpname);
+  if (tmp_fd < 0) {
+    fprintf(stderr, "Could not create temporary file (errno %d).\n", errno);
+    return 1;
+  }
+  unlink(tmpname);
+
+  clear_text();
+
+  while (fgets(linebuf, 1024, fp) != NULL) {
+    
+    ret1 = p1->parse(linebuf);
+    if (ret1 == 0 || ret1 == 2) {
+      ret2 = p2->parse(linebuf);
+    }
+
+    if (!ret1 && !ret2) {
+      ret = write(tmp_fd, linebuf, strlen(linebuf));
+      if (ret != strlen(linebuf)) {
+	fprintf(stderr, "Error while writing to temporary file\n");
+      }
+    }
+  }
+  fclose(fp);
+  lseek(tmp_fd, 0L, SEEK_SET);
+
+  delete(p1);
+  delete(p2);
+
+  mod = 0;
+  loaded = 1;
+  return GsWidget::load(tmp_fd);
+}
+
+int PSEditor::save(const char* savefile) {
+  if (!file_loaded()) {
+    return 1;
+  }
+  FILE *fp = fdopen(tmp_fd, "r");
+  rewind(fp);
+  FILE *sfp = fopen(savefile, "w");
+  PSWriter *pw = new PSLevel1Writer(this);
+
+  pw->write(fp, sfp);
+
+  delete(pw);
+   
+  fclose(sfp);
+  mod = 0;
+  return 0;
+}