--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/anagram/vaclgui/multiline.cpp	Sat Dec 22 17:52:45 2007 -0500
@@ -0,0 +1,124 @@
+/*
+ * AnaGram, A System for Syntax Directed Programming
+ * Copyright 1997-2002 Parsifal Software. All Rights Reserved.
+ * See the file COPYING for license and usage terms.
+ *
+ * multiline.cpp
+ */
+
+#include <icoordsy.hpp>
+#include <ifont.hpp>
+//#include <istring.hpp>
+#include <windows.h>
+
+#include "multiline.hpp"
+
+//#define INCLUDE_LOGGING
+#include "log.h"
+
+
+MultiLineText &MultiLineText::setText(const char *s) {
+  LOGSECTION("MultiLineText::setText");
+  textString = s;
+  char *p = textString.pointer();
+  nLines = 0;
+  while (p && *p) {
+    LOGV((int) p);
+    p = strchr(p, '\n');
+    nLines++;
+    if (p == 0) {
+      break;
+    }
+    p++;
+  }
+  LOGV(nLines);
+  return *this;
+}
+
+Boolean MultiLineText::paintWindow(IPaintEvent &event) {
+  LOGSECTION("MultiLineText::paintWindow");
+  LOGV(event.rect().asString());
+  LOGV(event.rect().movedBy(position()).asString());
+  IPresSpaceHandle presSpaceHandle = event.presSpaceHandle();
+
+  font().beginUsingFont(presSpaceHandle);
+
+  int lineWidth = size().width();
+
+  SetBkMode(presSpaceHandle, TRANSPARENT);
+  event.clearBackground(event.rect(),IGUIColor::dialogBgnd);
+  IPoint where(0, margin.height());
+  int i;
+  int leading = font().maxSize().height() + font().externalLeading();
+  //LOGV(leading);
+  char *p = textString.pointer();
+  for (i = 0; i < nLines; i++) {
+    char *q = strchr(p, '\n');
+    if (q) {
+      *q = 0;
+    }
+    char *t = p;
+    if (*t =='\v') {
+      t++;
+    }
+    int margin = (lineWidth - font().textWidth(t))/2;
+    where.setX(margin);
+    IPoint actualWhere = where;
+    if (ICoordinateSystem::isConversionNeeded()) {
+      actualWhere = ICoordinateSystem::convertToNative(where, size());
+      actualWhere.setY(actualWhere.y() - leading);
+    }
+    event.drawText(p, actualWhere);
+    LOGV(p);
+    if (q) {
+      *q = '\n';
+    }
+    p = q+1;
+    if (q) {
+      LOGV(p);
+    }
+    if (q && *p == '\v') {
+      LOGV(vTab);
+      where.setY(where.y() + vTab);
+      p++;
+    }
+    where.setY(where.y() + leading);
+  }
+  return true;
+}
+
+ISize MultiLineText::calcMinimumSize() const {
+  LOGSECTION("MultiLineText::calcMinimumSize");
+  char *p = textString.pointer();
+  int maxWidth = 0;
+  IPoint where(0, 0);
+  int leading = font().maxSize().height() + font().externalLeading();
+  for (int i = 0; i < nLines; i++) {
+    char *q = strchr(p, '\n');
+    if (q) {
+      *q = 0;
+    }
+    int width = font().textWidth(p);
+    if (width > maxWidth) {
+      maxWidth = width;
+    }
+    LOGV(width);
+    LOGV(p);
+    if (q) {
+      *q = '\n';
+    }
+    p = q+1;
+    if (q && *p == '\v') {
+      where.setY(where.y() + vTab);
+      p++;
+    }
+    where.setY(where.y() + leading);
+  }
+  //int enWidth = font().avgCharWidth();
+  maxWidth += 2*margin.width();
+
+  ISize minSize(maxWidth, where.y() + 2*margin.height());
+  LOGV(minSize.asString());
+  return minSize;
+}
+