# HG changeset patch
# User Adam Chrapkowski <adam.chrapkowski@gmail.com>
# Date 1220462844 -7200
# Node ID 513c72ba21f1a3b7f74067af4cb1e2e387221d24
# Parent  0beffa2869ad9462aa33a63b5ddb30701f61b93d
added
  snippets\priniting\Snippet132.d
  snippets\priniting\Snippet133.d
changed
  snippets\dsss.conf

diff -r 0beffa2869ad -r 513c72ba21f1 snippets/dsss.conf
--- a/snippets/dsss.conf	Tue Sep 02 01:05:38 2008 +0200
+++ b/snippets/dsss.conf	Wed Sep 03 19:27:24 2008 +0200
@@ -91,6 +91,8 @@
 [menu/Snippet286.d]
 [menu/Snippet29.d]
 [menu/Snippet97.d]
+[printing/Snippet132.d]
+[printing/Snippet133.d]
 [program/Snippet32.d]
 [sash/Snippet107.d]
 [sashform/Snippet109.d]
diff -r 0beffa2869ad -r 513c72ba21f1 snippets/printing/Snippet132.d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/snippets/printing/Snippet132.d	Wed Sep 03 19:27:24 2008 +0200
@@ -0,0 +1,77 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * D Port:
+ *     Adam Chrapkowski <adam DOT chrapkowski AT gmail DOT com>
+ *******************************************************************************/
+module printing.Snippet132;
+  
+/*
+ * Printing example snippet: print "Hello World!" in black, outlined in red, to default printer
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ */
+ 
+// dwt
+import dwt.DWT;
+// dwt.widgets
+import dwt.widgets.Display,
+       dwt.widgets.MessageBox,
+       dwt.widgets.Shell;
+// dwt.graphics
+import dwt.graphics.Color,
+       dwt.graphics.GC,
+       dwt.graphics.Rectangle;
+// dwt.printing
+import dwt.printing.PrintDialog, 
+       dwt.printing.Printer, 
+       dwt.printing.PrinterData;
+// dwthelper
+import dwt.dwthelper.utils;
+
+public void 
+main(String [] args){
+    Display display = new Display();
+    Shell shell = new Shell(display);
+    shell.open();
+    PrinterData data = Printer.getDefaultPrinterData();
+    if(data is null){
+        MessageBox.showWarning("Warning: No default printer.");
+        return;
+    }
+    Printer printer = new Printer(data);
+    if(printer.startJob("DWT Printing Snippet")){
+        Color black = printer.getSystemColor(DWT.COLOR_BLACK);
+        Color white = printer.getSystemColor(DWT.COLOR_WHITE);
+        Color red = printer.getSystemColor(DWT.COLOR_RED);
+        Rectangle trim = printer.computeTrim(0, 0, 0, 0);
+        Point dpi = printer.getDPI();
+        int leftMargin = dpi.x + trim.x; // one inch from left side of paper
+        int topMargin = dpi.y / 2 + trim.y; // one-half inch from top edge of paper
+        GC gc = new GC(printer);
+        if(printer.startPage()){
+            gc.setBackground(white);
+            gc.setForeground(black);
+            String testString = "Hello World!";
+            Point extent = gc.stringExtent(testString);
+            gc.drawString(testString, leftMargin, topMargin);
+            gc.setForeground(red);
+            gc.drawRectangle(leftMargin, topMargin, extent.x, extent.y);
+            printer.endPage();
+        }
+        gc.dispose();
+        printer.endJob();
+    }
+    printer.dispose();
+    while(!shell.isDisposed()){
+      if(!display.readAndDispatch()) display.sleep();
+    }
+    display.dispose();
+}
\ No newline at end of file
diff -r 0beffa2869ad -r 513c72ba21f1 snippets/printing/Snippet133.d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/snippets/printing/Snippet133.d	Wed Sep 03 19:27:24 2008 +0200
@@ -0,0 +1,365 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * D Port:
+ *     Adam Chrapkowski <adam DOT chrapkowski AT gmail DOT com>
+ *******************************************************************************/
+module printing.Snippet133;
+  
+/*
+ * Printing example snippet: print text to printer, with word wrap and pagination
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ */
+
+// dwt
+import dwt.DWT;
+// dwt.graphics
+import dwt.graphics.Color,
+       dwt.graphics.Font,
+       dwt.graphics.FontData,
+       dwt.graphics.GC,
+       dwt.graphics.Rectangle,
+       dwt.graphics.RGB;
+// dwt.widgets
+import dwt.widgets.Display,
+       dwt.widgets.ColorDialog,
+       dwt.widgets.FileDialog,
+       dwt.widgets.FontDialog,
+       dwt.widgets.Menu,
+       dwt.widgets.MenuItem,
+       dwt.widgets.MessageBox,
+       dwt.widgets.Shell,
+       dwt.widgets.Text;
+// dwt.events
+import dwt.events.SelectionAdapter, 
+       dwt.events.SelectionEvent;
+// dwt.layout
+import dwt.layout.FillLayout;
+// dwt.printing
+import dwt.printing.PrintDialog,
+       dwt.printing.Printer,
+       dwt.printing.PrinterData;
+// dwt.dwthelper
+import dwt.dwthelper.utils;
+
+// tango
+import tango.core.Thread;
+import tango.io.File;
+import tango.text.Unicode;
+
+public void 
+main(String[] args){
+    (new Snippet133).open();
+}
+  
+class Snippet133{
+    Display display;
+    Shell shell;
+    Text text;
+    Font font;
+    Color foregroundColor, backgroundColor;
+        
+    Printer printer;
+    GC gc;
+    FontData[] printerFontData;
+    RGB printerForeground, printerBackground;
+
+    int lineHeight = 0;
+    int tabWidth = 0;
+    int leftMargin, rightMargin, topMargin, bottomMargin;
+    int x, y;
+    int index, end;
+    String textToPrint;
+    String tabs;
+    StringBuffer wordBuffer;
+     
+    public void 
+    open(){
+        display = new Display();
+        shell = new Shell(display);
+        shell.setLayout(new FillLayout());
+        shell.setText("Print Text");
+        text = new Text(shell, DWT.BORDER | DWT.MULTI | DWT.V_SCROLL | DWT.H_SCROLL);
+
+        Menu menuBar = new Menu(shell, DWT.BAR);
+        shell.setMenuBar(menuBar);
+        MenuItem item = new MenuItem(menuBar, DWT.CASCADE);
+        item.setText("&File");
+        Menu fileMenu = new Menu(shell, DWT.DROP_DOWN);
+        item.setMenu(fileMenu);
+        item = new MenuItem(fileMenu, DWT.PUSH);
+        item.setText("&Open...");
+        item.setAccelerator(DWT.CTRL + 'O');
+        item.addSelectionListener(new class() SelectionAdapter{
+            public void 
+            widgetSelected(SelectionEvent event) {
+                menuOpen();
+            }
+        });
+        item = new MenuItem(fileMenu, DWT.PUSH);
+        item.setText("Font...");
+        item.addSelectionListener(new class() SelectionAdapter{
+            public void 
+            widgetSelected(SelectionEvent event){
+                menuFont();
+            }
+        });
+        item = new MenuItem(fileMenu, DWT.PUSH);
+        item.setText("Foreground Color...");
+        item.addSelectionListener(new class() SelectionAdapter{
+            public void 
+            widgetSelected(SelectionEvent event){
+                menuForegroundColor();
+            }
+        });
+        item = new MenuItem(fileMenu, DWT.PUSH);
+        item.setText("Background Color...");
+        item.addSelectionListener(new class() SelectionAdapter{
+            public void 
+            widgetSelected(SelectionEvent event) {
+                menuBackgroundColor();
+            }
+        });
+        item = new MenuItem(fileMenu, DWT.PUSH);
+        item.setText("&Print...");
+        item.setAccelerator(DWT.CTRL + 'P');
+        item.addSelectionListener(new class() SelectionAdapter{
+            public void 
+            widgetSelected(SelectionEvent event) {
+                menuPrint();
+            }
+        });
+        new MenuItem(fileMenu, DWT.SEPARATOR);
+        item = new MenuItem(fileMenu, DWT.PUSH);
+        item.setText("E&xit");
+        item.addSelectionListener(new class() SelectionAdapter{
+            public void 
+            widgetSelected(SelectionEvent event){
+                System.exit(0);
+            }
+        });
+           
+        shell.open();
+        while (!shell.isDisposed()) {
+        if (!display.readAndDispatch()) display.sleep();
+        }
+        if (font !is null) font.dispose();
+        if (foregroundColor !is null) foregroundColor.dispose();
+        if (backgroundColor !is null) backgroundColor.dispose();
+        display.dispose();
+    } 
+      
+    private void 
+    menuOpen(){
+        String textString;
+        FileDialog dialog = new FileDialog(shell, DWT.OPEN);
+        dialog.setFilterExtensions(["*.java", "*.*"]);
+        String name = dialog.open();
+        if(name is null) return;
+              
+        try{
+            scope File file = new File(name);
+            try{
+                textString = cast(char[])file.read;
+            } 
+            catch (IOException e){
+                MessageBox box = new MessageBox(shell, DWT.ICON_ERROR);
+                box.setMessage("Error reading file:\n" ~ name);
+                box.open();
+                return;
+            }
+        }
+        catch(Exception e){
+            MessageBox box = new MessageBox(shell, DWT.ICON_ERROR);
+            box.setMessage("File not found:\n" ~ name);
+            box.open();
+            return;
+        }	
+        text.setText(textString);
+    }
+      
+    private void 
+    menuFont(){
+        FontDialog fontDialog = new FontDialog(shell);
+        fontDialog.setFontList(text.getFont().getFontData());
+        FontData fontData = fontDialog.open();
+        if(fontData !is null){
+            if(font !is null) font.dispose();
+            font = new Font(display, fontData);
+            text.setFont(font);
+        }
+    }
+      
+    private void 
+    menuForegroundColor(){
+        ColorDialog colorDialog = new ColorDialog(shell);
+        colorDialog.setRGB(text.getForeground().getRGB());
+        RGB rgb = colorDialog.open();
+        if(rgb !is null){
+            if(foregroundColor !is null) foregroundColor.dispose();
+            foregroundColor = new Color(display, rgb);
+            text.setForeground(foregroundColor);
+        }
+    }
+
+    private void 
+    menuBackgroundColor(){
+        ColorDialog colorDialog = new ColorDialog(shell);
+        colorDialog.setRGB(text.getBackground().getRGB());
+        RGB rgb = colorDialog.open();
+        if(rgb !is null){
+            if(backgroundColor !is null) backgroundColor.dispose();
+            backgroundColor = new Color(display, rgb);
+            text.setBackground(backgroundColor);
+        }
+    }
+
+    private void 
+    menuPrint(){
+        PrintDialog dialog = new PrintDialog(shell, DWT.NONE);
+        PrinterData data = dialog.open();
+        if(data is null) return;
+        if(data.printToFile){
+            data.fileName = "print.out"; // you probably want to ask the user for a filename
+        }
+                
+        /* Get the text to print from the Text widget (you could get it from anywhere, i.e. your java model) */
+        textToPrint = text.getText();
+
+        /* Get the font & foreground & background data. */
+        printerFontData = text.getFont().getFontData();
+        printerForeground = text.getForeground().getRGB();
+        printerBackground = text.getBackground().getRGB();
+
+        /* Do the printing in a background thread so that spooling does not freeze the UI. */
+        printer = new Printer(data);
+        Thread printingThread = new class ("Printing") Thread{
+            private void 
+            run(){
+                print(printer);
+                printer.dispose();
+            }
+            public 
+            this(char[] o_name){
+                this.name = o_name;
+                super(&run);
+            }
+        };
+        printingThread.start();
+    }
+        
+    private void 
+    print(Printer printer){
+        if(printer.startJob("Text")){   // the string is the job name - shows up in the printer's job list
+            Rectangle clientArea = printer.getClientArea();
+            Rectangle trim = printer.computeTrim(0, 0, 0, 0);
+            Point dpi = printer.getDPI();
+            leftMargin = dpi.x + trim.x; // one inch from left side of paper
+            rightMargin = clientArea.width - dpi.x + trim.x + trim.width; // one inch from right side of paper
+            topMargin = dpi.y + trim.y; // one inch from top edge of paper
+            bottomMargin = clientArea.height - dpi.y + trim.y + trim.height; // one inch from bottom edge of paper
+                
+            /* Create a buffer for computing tab width. */
+            int tabSize = 4; // is tab width a user setting in your UI?
+            StringBuffer tabBuffer = new StringBuffer(tabSize);
+            for (int i = 0; i < tabSize; i++) tabBuffer.append(' ');
+            tabs = tabBuffer.toString();
+
+            /* Create printer GC, and create and set the printer font & foreground color. */
+            gc = new GC(printer);
+            Font printerFont = new Font(printer, printerFontData);
+            Color printerForegroundColor = new Color(printer, printerForeground);
+            Color printerBackgroundColor = new Color(printer, printerBackground); 
+                
+            gc.setFont(printerFont);
+            gc.setForeground(printerForegroundColor);
+            gc.setBackground(printerBackgroundColor);
+            tabWidth = gc.stringExtent(tabs).x;
+            lineHeight = gc.getFontMetrics().getHeight();
+                    
+            /* Print text to current gc using word wrap */
+            printText();
+            printer.endJob();
+
+            /* Cleanup graphics resources used in printing */
+            printerFont.dispose();
+            printerForegroundColor.dispose();
+            printerBackgroundColor.dispose();
+            gc.dispose();
+        }
+    }
+        
+    private void 
+    printText(){
+        printer.startPage();
+        wordBuffer = new StringBuffer();
+        x = leftMargin;
+        y = topMargin;
+        index = 0;
+        end = textToPrint.length;
+        while(index < end){
+            char c = textToPrint.charAt(index);
+            index++;
+            if(c != 0){
+                if(c == 0x0a || c == 0x0d){
+                    if(c == 0x0d && index < end && textToPrint.charAt(index) == 0x0a){
+                        index++; // if this is cr-lf, skip the lf
+                    }
+                    printWordBuffer();
+                    newline();
+                } 
+                else{
+                    if(c != '\t'){
+                        wordBuffer.append(c);
+                    }
+                    if(isPrintable(c)){
+                        printWordBuffer();
+                        if (c == '\t'){
+                            x += tabWidth;
+                        }
+                    }
+                }
+            }
+        }
+        if (y + lineHeight <= bottomMargin) {
+            printer.endPage();
+        }
+    }
+
+    private void 
+    printWordBuffer(){
+        if(wordBuffer.length > 0){
+            String word = wordBuffer.toString();
+            int wordWidth = gc.stringExtent(word).x;
+            if(x + wordWidth > rightMargin){
+                /* word doesn't fit on current line, so wrap */
+                newline();
+            }
+            gc.drawString(word, x, y, false);
+            x += wordWidth;
+            wordBuffer = new StringBuffer();
+        }
+    }
+
+    private void 
+    newline(){
+        x = leftMargin;
+        y += lineHeight;
+        if(y + lineHeight > bottomMargin){
+            printer.endPage();
+            if(index + 1 < end){
+                y = topMargin;
+                printer.startPage();
+            }
+        }
+    }
+}
+