# HG changeset patch
# User Frank Benoit <benoit@tionex.de>
# Date 1202920804 -3600
# Node ID cc00a2772bf45f55793ceaa7e10cf7f9118367f0
# Parent  af0e7b559478a5b39c69222cc4158e2eac171b2d
PrintDialog

diff -r af0e7b559478 -r cc00a2772bf4 dwt/printing/PrintDialog.d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/printing/PrintDialog.d	Wed Feb 13 17:40:04 2008 +0100
@@ -0,0 +1,339 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2006 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
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+module dwt.printing.PrintDialog;
+
+
+import dwt.DWT;
+import dwt.DWTException;
+import dwt.internal.win32.OS;
+import dwt.widgets.Control;
+import dwt.widgets.Dialog;
+import dwt.widgets.Display;
+import dwt.widgets.Shell;
+import dwt.widgets.Widget;
+
+import dwt.printing.Printer;
+import dwt.printing.PrinterData;
+
+import dwt.dwthelper.utils;
+
+/**
+ * Instances of this class allow the user to select
+ * a printer and various print-related parameters
+ * prior to starting a print job.
+ * <p>
+ * IMPORTANT: This class is intended to be subclassed <em>only</em>
+ * within the DWT implementation.
+ * </p>
+ */
+
+public class PrintDialog : Dialog {
+    int scope_ = PrinterData.ALL_PAGES;
+    int startPage = 1, endPage = 1;
+    bool printToFile = false;
+
+/**
+ * Constructs a new instance of this class given only its parent.
+ *
+ * @param parent a composite control which will be the parent of the new instance (cannot be null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
+ * </ul>
+ * @exception DWTException <ul>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
+ *    <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
+ * </ul>
+ *
+ * @see DWT
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public this (Shell parent) {
+    this (parent, DWT.PRIMARY_MODAL);
+}
+
+/**
+ * Constructs a new instance of this class given its parent
+ * and a style value describing its behavior and appearance.
+ * <p>
+ * The style value is either one of the style constants defined in
+ * class <code>DWT</code> which is applicable to instances of this
+ * class, or must be built by <em>bitwise OR</em>'ing together
+ * (that is, using the <code>int</code> "|" operator) two or more
+ * of those <code>DWT</code> style constants. The class description
+ * lists the style constants that are applicable to the class.
+ * Style bits are also inherited from superclasses.
+ * </p>
+ *
+ * @param parent a composite control which will be the parent of the new instance (cannot be null)
+ * @param style the style of control to construct
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
+ * </ul>
+ * @exception DWTException <ul>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
+ *    <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
+ * </ul>
+ *
+ * @see DWT
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public this (Shell parent, int style) {
+    super (parent, style);
+    checkSubclass ();
+}
+
+/**
+ * Returns the print job scope that the user selected
+ * before pressing OK in the dialog. This will be one
+ * of the following values:
+ * <dl>
+ * <dt><code>ALL_PAGES</code></dt>
+ * <dd>Print all pages in the current document</dd>
+ * <dt><code>PAGE_RANGE</code></dt>
+ * <dd>Print the range of pages specified by startPage and endPage</dd>
+ * <dt><code>SELECTION</code></dt>
+ * <dd>Print the current selection</dd>
+ * </dl>
+ *
+ * @return the scope setting that the user selected
+ */
+public int getScope() {
+    return scope_;
+}
+
+/**
+ * Sets the scope of the print job. The user will see this
+ * setting when the dialog is opened. This can have one of
+ * the following values:
+ * <dl>
+ * <dt><code>ALL_PAGES</code></dt>
+ * <dd>Print all pages in the current document</dd>
+ * <dt><code>PAGE_RANGE</code></dt>
+ * <dd>Print the range of pages specified by startPage and endPage</dd>
+ * <dt><code>SELECTION</code></dt>
+ * <dd>Print the current selection</dd>
+ * </dl>
+ *
+ * @param scope the scope setting when the dialog is opened
+ */
+public void setScope(int scope_) {
+    this.scope_ = scope_;
+}
+
+/**
+ * Returns the start page setting that the user selected
+ * before pressing OK in the dialog.
+ * <p>
+ * This value can be from 1 to the maximum number of pages for the platform.
+ * Note that it is only valid if the scope is <code>PAGE_RANGE</code>.
+ * </p>
+ *
+ * @return the start page setting that the user selected
+ */
+public int getStartPage() {
+    return startPage;
+}
+
+/**
+ * Sets the start page that the user will see when the dialog
+ * is opened.
+ * <p>
+ * This value can be from 1 to the maximum number of pages for the platform.
+ * Note that it is only valid if the scope is <code>PAGE_RANGE</code>.
+ * </p>
+ *
+ * @param startPage the startPage setting when the dialog is opened
+ */
+public void setStartPage(int startPage) {
+    this.startPage = startPage;
+}
+
+/**
+ * Returns the end page setting that the user selected
+ * before pressing OK in the dialog.
+ * <p>
+ * This value can be from 1 to the maximum number of pages for the platform.
+ * Note that it is only valid if the scope is <code>PAGE_RANGE</code>.
+ * </p>
+ *
+ * @return the end page setting that the user selected
+ */
+public int getEndPage() {
+    return endPage;
+}
+
+/**
+ * Sets the end page that the user will see when the dialog
+ * is opened.
+ * <p>
+ * This value can be from 1 to the maximum number of pages for the platform.
+ * Note that it is only valid if the scope is <code>PAGE_RANGE</code>.
+ * </p>
+ *
+ * @param endPage the end page setting when the dialog is opened
+ */
+public void setEndPage(int endPage) {
+    this.endPage = endPage;
+}
+
+/**
+ * Returns the 'Print to file' setting that the user selected
+ * before pressing OK in the dialog.
+ *
+ * @return the 'Print to file' setting that the user selected
+ */
+public bool getPrintToFile() {
+    return printToFile;
+}
+
+/**
+ * Sets the 'Print to file' setting that the user will see
+ * when the dialog is opened.
+ *
+ * @param printToFile the 'Print to file' setting when the dialog is opened
+ */
+public void setPrintToFile(bool printToFile) {
+    this.printToFile = printToFile;
+}
+
+protected void checkSubclass() {
+    char[] name = this.classinfo.name;
+    char[] validName = PrintDialog.classinfo.name;
+    if (validName!=/*eq*/name) {
+        DWT.error(DWT.ERROR_INVALID_SUBCLASS);
+    }
+}
+
+/**
+ * Makes the receiver visible and brings it to the front
+ * of the display.
+ *
+ * @return a printer data object describing the desired print job parameters
+ *
+ * @exception DWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public PrinterData open() {
+    PRINTDLG pd;
+    pd.lStructSize = PRINTDLG.sizeof;
+    Control parent = getParent();
+    if (parent !is null) pd.hwndOwner = parent.handle;
+    pd.Flags = OS.PD_USEDEVMODECOPIESANDCOLLATE;
+    if (printToFile) pd.Flags |= OS.PD_PRINTTOFILE;
+    switch (scope_) {
+        case PrinterData.PAGE_RANGE: pd.Flags |= OS.PD_PAGENUMS; break;
+        case PrinterData.SELECTION: pd.Flags |= OS.PD_SELECTION; break;
+        default: pd.Flags |= OS.PD_ALLPAGES;
+    }
+    pd.nMinPage = 1;
+    pd.nMaxPage = cast(ushort)-1;
+    pd.nFromPage = cast(short) Math.min (0xFFFF, Math.max (1, startPage));
+    pd.nToPage = cast(short) Math.min (0xFFFF, Math.max (1, endPage));
+
+    Display display = parent.getDisplay();
+    Shell [] shells = display.getShells();
+    if ((getStyle() & (DWT.APPLICATION_MODAL | DWT.SYSTEM_MODAL)) !is 0) {
+        for (int i=0; i<shells.length; i++) {
+            if (shells[i].isEnabled() && shells[i] !is parent) {
+                shells[i].setEnabled(false);
+            } else {
+                shells[i] = null;
+            }
+        }
+    }
+    PrinterData data = null;
+    char[] key = "org.eclipse.swt.internal.win32.runMessagesInIdle"; //$NON-NLS-1$
+    Object oldValue = display.getData(key);
+    display.setData(key, new ValueWrapperBool(true));
+    bool success = cast(bool)OS.PrintDlg(&pd);
+    display.setData(key, oldValue);
+    if ((getStyle() & (DWT.APPLICATION_MODAL | DWT.SYSTEM_MODAL)) !is 0) {
+        for (int i=0; i<shells.length; i++) {
+            if (shells[i] !is null && !shells[i].isDisposed ()) {
+                shells[i].setEnabled(true);
+            }
+        }
+    }
+
+    if (success) {
+        /* Get driver and device from the DEVNAMES struct */
+        auto hMem = pd.hDevNames;
+        /* Ensure size is a multiple of 2 bytes on UNICODE platforms */
+        int size = OS.GlobalSize(hMem) / TCHAR.sizeof * TCHAR.sizeof;
+        auto ptr = OS.GlobalLock(hMem);
+        short[4] offsets;
+        OS.MoveMemory(offsets.ptr, ptr, 2 * offsets.length);
+        TCHAR[] buffer = NewTCHARs(0, size);
+        OS.MoveMemory(buffer.ptr, ptr, size);
+        OS.GlobalUnlock(hMem);
+
+        int driverOffset = offsets[0];
+        int i = 0;
+        while (driverOffset + i < size) {
+            if (buffer[driverOffset + i] is 0) break;
+            i++;
+        }
+        char[] driver = TCHARsToStr( buffer[driverOffset .. driverOffset+i] );
+
+        int deviceOffset = offsets[1];
+        i = 0;
+        while (deviceOffset + i < size) {
+            if (buffer[deviceOffset + i] is 0) break;
+            i++;
+        }
+        char[] device = TCHARsToStr( buffer[deviceOffset .. deviceOffset+i] );
+
+        int outputOffset = offsets[2];
+        i = 0;
+        while (outputOffset + i < size) {
+            if (buffer[outputOffset + i] is 0) break;
+            i++;
+        }
+        char[] output = TCHARsToStr( buffer[outputOffset .. outputOffset+i] );
+
+        /* Create PrinterData object and set fields from PRINTDLG */
+        data = new PrinterData(driver, device);
+        if ((pd.Flags & OS.PD_PAGENUMS) !is 0) {
+            data.scope_ = PrinterData.PAGE_RANGE;
+            data.startPage = pd.nFromPage & 0xFFFF;
+            data.endPage = pd.nToPage & 0xFFFF;
+        } else if ((pd.Flags & OS.PD_SELECTION) !is 0) {
+            data.scope_ = PrinterData.SELECTION;
+        }
+        data.printToFile = (pd.Flags & OS.PD_PRINTTOFILE) !is 0;
+        if (data.printToFile) data.fileName = output;
+        data.copyCount = pd.nCopies;
+        data.collate = (pd.Flags & OS.PD_COLLATE) !is 0;
+
+        /* Bulk-save the printer-specific settings in the DEVMODE struct */
+        hMem = pd.hDevMode;
+        size = OS.GlobalSize(hMem);
+        ptr = OS.GlobalLock(hMem);
+        data.otherData = new byte[size];
+        OS.MoveMemory(data.otherData.ptr, ptr, size);
+        OS.GlobalUnlock(hMem);
+
+        endPage = data.endPage;
+        printToFile = data.printToFile;
+        scope_ = data.scope_;
+        startPage = data.startPage;
+    }
+    return data;
+}
+}