add page setup & print

app/Editor.java

@@ -32,6 +32,7 @@ import java.awt.*;
 import java.awt.datatransfer.*;
 import java.awt.dnd.*;
 import java.awt.event.*;
+import java.awt.print.*;
 import java.io.*;
 import java.lang.reflect.*;
 import java.net.*;
@@ -77,6 +78,9 @@ public class Editor extends JFrame
   boolean handleNewShift;
   boolean handleNewLibrary;
 
+  PageFormat pageFormat;
+  PrinterJob printerJob;
+
   EditorButtons buttons;
   EditorHeader header;
   EditorStatus status;
@@ -561,11 +565,20 @@ public class Editor extends JFrame
     menu.addSeparator();
 
     item = newJMenuItem("Page Setup", 'P', true);
-    item.setEnabled(false);
+    item.addActionListener(new ActionListener() {
+        public void actionPerformed(ActionEvent e) {
+          handlePageSetup();
+        }
+      });
+    //item.setEnabled(false);
     menu.add(item);
 
     item = newJMenuItem("Print", 'P');
-    item.setEnabled(false);
+    item.addActionListener(new ActionListener() {
+        public void actionPerformed(ActionEvent e) {
+          handlePrint();
+        }
+      });
     menu.add(item);
 
     // macosx already has its own preferences and quit menu
@@ -1811,6 +1824,47 @@ public class Editor extends JFrame
   }
 
 
+  public void handlePageSetup() {
+    //printerJob = null;
+    if (printerJob == null) {
+      printerJob = PrinterJob.getPrinterJob();
+    }
+    if (pageFormat == null) {
+      pageFormat = printerJob.defaultPage();
+    }
+    pageFormat = printerJob.pageDialog(pageFormat);
+    //System.out.println("page format is " + pageFormat);
+  }
+
+
+  public void handlePrint() {
+    message("Printing...");
+    //printerJob = null;
+    if (printerJob == null) {
+      printerJob = PrinterJob.getPrinterJob();
+    }
+    if (pageFormat != null) {
+      //System.out.println("setting page format " + pageFormat);
+      printerJob.setPrintable(textarea.getPainter(), pageFormat);
+    } else {
+      printerJob.setPrintable(textarea.getPainter());
+    }
+    if (printerJob.printDialog()) {
+      try {
+        printerJob.print();
+        message("Done printing.");
+
+      } catch (PrinterException pe) {
+        error("Error while printing.");
+        pe.printStackTrace();
+      }
+    } else {
+      message("Printing canceled.");
+    }
+    //printerJob = null;  // clear this out?
+  }
+
+
   /**
    * Quit, but first ask user if it's ok. Also store preferences
    * to disk just in case they want to quit. Final exit() happens

app/syntax/TextAreaPainter.java

@@ -18,6 +18,7 @@ import javax.swing.text.*;
 import javax.swing.JComponent;
 import java.awt.event.MouseEvent;
 import java.awt.*;
+import java.awt.print.*;
 
 /**
  * The text area repaint manager. It performs double buffering and paints
@@ -25,8 +26,12 @@ import java.awt.*;
  * @author Slava Pestov
  * @version $Id$
  */
-public class TextAreaPainter extends JComponent implements TabExpander
+public class TextAreaPainter extends JComponent
+implements TabExpander, Printable
 {
+  /** True if inside printing, will handle disabling the highlight */
+  boolean printing;
+
   /**
    * Creates a new repaint manager. This should be not be called
    * directly.
@@ -405,6 +410,34 @@ public class TextAreaPainter extends JComponent implements TabExpander
     }
   }
 
+
+  public int print(Graphics g, PageFormat pageFormat, int pageIndex) {
+    //System.out.println("painter page format is " + pageFormat);
+    int lineHeight = fm.getHeight();
+    int linesPerPage = (int) (pageFormat.getImageableHeight() / lineHeight);
+    int lineCount = textArea.getLineCount();
+    //int pageCount = (lineCount + linesPerPage-1) / linesPerPage;
+    int lastPage = lineCount / linesPerPage;
+
+    if (pageIndex > lastPage) {
+      return NO_SUCH_PAGE;
+
+    } else {
+      Graphics2D g2d = (Graphics2D)g;
+      TokenMarker tokenMarker = textArea.getDocument().getTokenMarker();
+      int firstLine = pageIndex*linesPerPage;
+      g2d.translate(pageFormat.getImageableX(),
+                    pageFormat.getImageableY() - firstLine*lineHeight);
+      printing = true;
+      for (int line = firstLine; line < firstLine + linesPerPage; line++) {
+        paintLine(g2d, tokenMarker, line, 0);
+      }
+      printing = false;
+      return PAGE_EXISTS;
+    }
+  }
+
+
   /**
    * Marks a line as needing a repaint.
    * @param line The line to invalidate
@@ -600,18 +633,20 @@ public class TextAreaPainter extends JComponent implements TabExpander
 
   protected void paintHighlight(Graphics gfx, int line, int y)
   {
-    if (line >= textArea.getSelectionStartLine()
-        && line <= textArea.getSelectionEndLine())
-      paintLineHighlight(gfx,line,y);
+    if (!printing) {
+      if (line >= textArea.getSelectionStartLine()
+          && line <= textArea.getSelectionEndLine())
+        paintLineHighlight(gfx,line,y);
 
-    if (highlights != null)
-      highlights.paintHighlight(gfx,line,y);
+      if (highlights != null)
+        highlights.paintHighlight(gfx,line,y);
 
-    if (bracketHighlight && line == textArea.getBracketLine())
-      paintBracketHighlight(gfx,line,y);
+      if (bracketHighlight && line == textArea.getBracketLine())
+        paintBracketHighlight(gfx,line,y);
 
-    if (line == textArea.getCaretLine())
-      paintCaret(gfx,line,y);
+      if (line == textArea.getCaretLine())
+        paintCaret(gfx,line,y);
+    }
   }
 
   protected void paintLineHighlight(Graphics gfx, int line, int y)

todo.txt

@@ -1,6 +1,10 @@
 0121 pde
 X fix button fatness on osx 
 X   quaqua already takes care of this for us
+X implement page setup and print
+X   pretty printing of code in project
+X   http://dev.processing.org/bugs/show_bug.cgi?id=27
+X   also turn off line highlighting while printing
 
 reference
 _ need to document changes to int() (no longer accepts boolean)
@@ -360,9 +364,6 @@ _   if it's made too small, stuff from the bottom disappears
 _   http://dev.processing.org/bugs/show_bug.cgi?id=25
 _ add mnemonics for menus (alt-f to open 'file')
 _   http://dev.processing.org/bugs/show_bug.cgi?id=26
-_ implement page setup and print
-_   pretty printing of code in project
-_   http://dev.processing.org/bugs/show_bug.cgi?id=27
 _ option to just print all code in project
 _   option to export all the code as colored html
 _   http://dev.processing.org/bugs/show_bug.cgi?id=28