separated model out from PSEditWidget

separated model out from PSEditWidget

1 files changed, 184 insertions, 0 deletions

diff --git a/src/PSEditModel.cxx b/src/PSEditModel.cxx
new file mode 100644
index 0000000..9e12d7a
--- /dev/null
+++ b/src/PSEditModel.cxx
@@ -0,0 +1,184 @@
+//
+// "$Id: PSEditModel.cxx,v 1.1 2004/10/21 19:55:36 hofmann Exp $"
+//
+// PSEditWidget 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 <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "PSEditText.H"
+#include "PSEditModel.H"
+
+
+PSEditModel::PSEditModel(int x1, int y1, float dx, float dy) {
+  paper_x   = x1;
+  paper_y   = y1;
+  xdpi      = dx;
+  ydpi      = dy;
+  max_pages = 32;
+  text = (PSEditText**) malloc(sizeof(PSEditText*) * max_pages);
+  if (!text) {
+    perror("malloc");
+    exit(1);
+  }
+  for (int i = 0; i < max_pages; i++) {
+    text[i] = NULL;
+  }
+  cur_text = NULL;
+}
+
+void PSEditModel::set_page(int p) {
+  int old_max_pages;
+
+  old_max_pages = max_pages;
+  
+  if (p >= max_pages) {
+    max_pages = p + max_pages;
+    text = (PSEditText**) realloc(text, sizeof(PSEditText*) * max_pages);
+    if (!text) {
+      perror("realloc");
+      exit(1);
+    }
+
+    for (int i = old_max_pages; i < max_pages; i++) {
+      text[i] = NULL;
+    }
+  }
+
+  page = p;
+  cur_text = NULL;
+}
+
+void PSEditModel::clear() {
+  cur_text = NULL;
+  for (int i = 0; i < max_pages; i++) {
+    if (text[i]) {
+      delete(text[i]);
+      text[i] = NULL;
+    }
+  }
+}
+
+void PSEditModel::new_text(int x1, int y1, const char *s, int size, int p) {
+  cur_text = new PSEditText(x1, y1, s, size);
+  if (text[p]) {
+    text[p]->append(cur_text);
+  } else {
+    text[p] = cur_text;
+  }
+}
+
+int PSEditModel::set_cur_text(int x1, int y1, int p) {
+  if (p < 0 || p >= max_pages) {
+    return 1;
+  }
+  
+  if (text[p]) {
+    cur_text = text[p]->get_match(x1, y1);
+    if (cur_text) {
+      return 0;
+    }
+  }
+  return 1;
+}
+
+void PSEditModel::append_text(const char *s) {
+  if (cur_text && s) {
+    cur_text->append_text(s);
+  }
+}
+
+
+void PSEditModel::move(int x1, int y1) {
+  if (cur_text) {
+    cur_text->move(x1, y1);
+  }
+}
+
+
+void PSEditModel::rm_char() {
+  if (cur_text) {
+    cur_text->rm_char();
+  }
+}
+
+
+void PSEditModel::set_size(int s) {
+  if (cur_text) {
+    cur_text->size = s;
+  }
+}
+
+int PSEditModel::get_size() {
+  if (cur_text) {
+    return cur_text->size;
+  } else {
+    return -1;
+  }
+}
+
+
+int PSEditModel::get_max_pages() {
+  return max_pages;
+}
+
+int PSEditModel::set_tag(const char *t) {
+  if (cur_text) {
+    return cur_text->set_tag(t);
+  } else {
+    return 1;
+  }
+}
+
+char *PSEditModel::get_tag() {
+  if (cur_text) {
+    return cur_text->get_tag();
+  } else {
+    return NULL;
+  }
+}
+
+PSEditText *PSEditModel::get_text(int p) {
+  if (p >= max_pages) {
+    return 0;
+  } else {
+    return text[p];
+  }
+}
+
+int PSEditModel::ps_to_display_x(int x1) {
+  return (int) ((float) x1 * xdpi / 72.0);
+}
+
+int PSEditModel::ps_to_display_y(int y1) {
+  return (int) ((float) (paper_y - y1) * xdpi / 72.0);
+}
+
+int PSEditModel::ps_x(int x1) {
+  return (int) ((float) x1 * 72.0 / xdpi);
+}
+
+int PSEditModel::ps_y(int y1) {
+  return paper_y - (int)((float) y1 * 72.0 / ydpi);
+}