/swt4ruby/src/mingw32-x86_32/org/eclipse/swt/printing/PrintDialog.java
Java | 413 lines | 190 code | 30 blank | 193 comment | 63 complexity | 5b8345a59576f1d5367fc634355fb105 MD5 | raw file
Possible License(s): EPL-1.0
- /*******************************************************************************
- * Copyright (c) 2000, 2009 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
- *******************************************************************************/
- package org.eclipse.swt.printing;
- import org.eclipse.swt.*;
- import org.eclipse.swt.widgets.*;
- import org.eclipse.swt.internal.win32.*;
- /**
- * 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 SWT implementation.
- * </p>
- *
- * @see <a href="http://www.eclipse.org/swt/snippets/#printing">Printing snippets</a>
- * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample, Dialog tab</a>
- * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
- * @noextend This class is not intended to be subclassed by clients.
- */
- public class PrintDialog extends Dialog {
- PrinterData printerData = new PrinterData();
-
- /**
- * 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 SWTException <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 SWT
- * @see Widget#checkSubclass
- * @see Widget#getStyle
- */
- public PrintDialog (Shell parent) {
- this (parent, SWT.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>SWT</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>SWT</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 SWTException <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 SWT
- * @see Widget#checkSubclass
- * @see Widget#getStyle
- */
- public PrintDialog (Shell parent, int style) {
- super (parent, checkStyle(parent, style));
- checkSubclass ();
- }
- static int checkStyle (Shell parent, int style) {
- int mask = SWT.PRIMARY_MODAL | SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL;
- if ((style & SWT.SHEET) != 0) {
- style &= ~SWT.SHEET;
- if ((style & mask) == 0) {
- style |= parent == null ? SWT.APPLICATION_MODAL : SWT.PRIMARY_MODAL;
- }
- }
- return style;
- }
- /**
- * Sets the printer data that will be used when the dialog
- * is opened.
- * <p>
- * Setting the printer data to null is equivalent to
- * resetting all data fields to their default values.
- * </p>
- *
- * @param data the data that will be used when the dialog is opened or null to use default data
- *
- * @since 3.4
- */
- public void setPrinterData(PrinterData data) {
- if (data == null) data = new PrinterData();
- this.printerData = data;
- }
- /**
- * Returns the printer data that will be used when the dialog
- * is opened.
- *
- * @return the data that will be used when the dialog is opened
- *
- * @since 3.4
- */
- public PrinterData getPrinterData() {
- return printerData;
- }
- /**
- * 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>PrinterData.ALL_PAGES</code></dt>
- * <dd>Print all pages in the current document</dd>
- * <dt><code>PrinterData.PAGE_RANGE</code></dt>
- * <dd>Print the range of pages specified by startPage and endPage</dd>
- * <dt><code>PrinterData.SELECTION</code></dt>
- * <dd>Print the current selection</dd>
- * </dl>
- *
- * @return the scope setting that the user selected
- */
- public int getScope() {
- return printerData.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>PrinterData.ALL_PAGES</code></dt>
- * <dd>Print all pages in the current document</dd>
- * <dt><code>PrinterData.PAGE_RANGE</code></dt>
- * <dd>Print the range of pages specified by startPage and endPage</dd>
- * <dt><code>PrinterData.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) {
- printerData.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>PrinterData.PAGE_RANGE</code>.
- * </p>
- *
- * @return the start page setting that the user selected
- */
- public int getStartPage() {
- return printerData.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>PrinterData.PAGE_RANGE</code>.
- * </p>
- *
- * @param startPage the startPage setting when the dialog is opened
- */
- public void setStartPage(int startPage) {
- printerData.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>PrinterData.PAGE_RANGE</code>.
- * </p>
- *
- * @return the end page setting that the user selected
- */
- public int getEndPage() {
- return printerData.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>PrinterData.PAGE_RANGE</code>.
- * </p>
- *
- * @param endPage the end page setting when the dialog is opened
- */
- public void setEndPage(int endPage) {
- printerData.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 boolean getPrintToFile() {
- return printerData.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(boolean printToFile) {
- printerData.printToFile = printToFile;
- }
- protected void checkSubclass() {
- String name = getClass().getName();
- String validName = PrintDialog.class.getName();
- if (!validName.equals(name)) {
- SWT.error(SWT.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,
- * or null if the dialog was canceled, no printers were found, or an error occurred
- *
- * @exception SWTException <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 = new PRINTDLG();
- pd.lStructSize = PRINTDLG.sizeof;
- Control parent = getParent();
- if (parent != null) pd.hwndOwner = parent.handle;
-
- /* Initialize PRINTDLG fields, including DEVMODE. */
- pd.Flags = OS.PD_RETURNDEFAULT;
- OS.PrintDlg(pd);
- /*
- * If user setup info from a previous print dialog was specified,
- * then restore the previous DEVMODE struct.
- */
- int /*long*/ lpInitData = 0;
- int /*long*/ hHeap = OS.GetProcessHeap();
- byte devmodeData [] = printerData.otherData;
- if (devmodeData != null && devmodeData.length != 0) {
- lpInitData = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, devmodeData.length);
- OS.MoveMemory(lpInitData, devmodeData, devmodeData.length);
- if (pd.hDevMode != 0) OS.GlobalFree(pd.hDevMode);
- pd.hDevMode = lpInitData;
- }
-
- /* Initialize the DEVMODE struct's fields from the printerData. */
- int /*long*/ hMem = pd.hDevMode;
- int /*long*/ ptr = OS.GlobalLock(hMem);
- DEVMODE devmode = OS.IsUnicode ? (DEVMODE)new DEVMODEW () : new DEVMODEA ();
- OS.MoveMemory(devmode, ptr, OS.IsUnicode ? OS.DEVMODEW_sizeof() : OS.DEVMODEA_sizeof());
- devmode.dmFields |= OS.DM_ORIENTATION;
- devmode.dmOrientation = printerData.orientation == PrinterData.PORTRAIT ? OS.DMORIENT_PORTRAIT : OS.DMORIENT_LANDSCAPE;
- if (printerData.copyCount != 1) {
- devmode.dmFields |= OS.DM_COPIES;
- devmode.dmCopies = (short)printerData.copyCount;
- }
- if (printerData.collate != false) {
- devmode.dmFields |= OS.DM_COLLATE;
- devmode.dmCollate = OS.DMCOLLATE_TRUE;
- }
- OS.MoveMemory(ptr, devmode, OS.IsUnicode ? OS.DEVMODEW_sizeof() : OS.DEVMODEA_sizeof());
- OS.GlobalUnlock(hMem);
- pd.Flags = OS.PD_USEDEVMODECOPIESANDCOLLATE;
- if (printerData.printToFile) pd.Flags |= OS.PD_PRINTTOFILE;
- switch (printerData.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 = -1;
- pd.nFromPage = (short) Math.min (0xFFFF, Math.max (1, printerData.startPage));
- pd.nToPage = (short) Math.min (0xFFFF, Math.max (1, printerData.endPage));
- Display display = parent.getDisplay();
- Shell [] shells = display.getShells();
- if ((getStyle() & (SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL)) != 0) {
- for (int i=0; i<shells.length; i++) {
- if (shells[i].isEnabled() && shells[i] != parent) {
- shells[i].setEnabled(false);
- } else {
- shells[i] = null;
- }
- }
- }
- PrinterData data = null;
- String key = "org.eclipse.swt.internal.win32.runMessagesInIdle"; //$NON-NLS-1$
- Object oldValue = display.getData(key);
- display.setData(key, new Boolean(true));
- boolean success = OS.PrintDlg(pd);
- display.setData(key, oldValue);
- if ((getStyle() & (SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL)) != 0) {
- for (int i=0; i<shells.length; i++) {
- if (shells[i] != null && !shells[i].isDisposed ()) {
- shells[i].setEnabled(true);
- }
- }
- }
-
- if (success) {
- /* Get driver and device from the DEVNAMES struct */
- hMem = pd.hDevNames;
- /* Ensure size is a multiple of 2 bytes on UNICODE platforms */
- int size = OS.GlobalSize(hMem) / TCHAR.sizeof * TCHAR.sizeof;
- ptr = OS.GlobalLock(hMem);
- short[] offsets = new short[4];
- OS.MoveMemory(offsets, ptr, 2 * offsets.length);
- TCHAR buffer = new TCHAR(0, size);
- OS.MoveMemory(buffer, ptr, size);
- OS.GlobalUnlock(hMem);
- if (pd.hDevNames != 0) OS.GlobalFree(pd.hDevNames);
- int driverOffset = offsets[0];
- int i = 0;
- while (driverOffset + i < size) {
- if (buffer.tcharAt(driverOffset + i) == 0) break;
- i++;
- }
- String driver = buffer.toString(driverOffset, i);
- int deviceOffset = offsets[1];
- i = 0;
- while (deviceOffset + i < size) {
- if (buffer.tcharAt(deviceOffset + i) == 0) break;
- i++;
- }
- String device = buffer.toString(deviceOffset, i);
- int outputOffset = offsets[2];
- i = 0;
- while (outputOffset + i < size) {
- if (buffer.tcharAt(outputOffset + i) == 0) break;
- i++;
- }
- String output = buffer.toString(outputOffset, i);
-
- /* Create PrinterData object and set fields from PRINTDLG */
- data = new PrinterData(driver, device);
- if ((pd.Flags & OS.PD_PAGENUMS) != 0) {
- data.scope = PrinterData.PAGE_RANGE;
- data.startPage = pd.nFromPage & 0xFFFF;
- data.endPage = pd.nToPage & 0xFFFF;
- } else if ((pd.Flags & OS.PD_SELECTION) != 0) {
- data.scope = PrinterData.SELECTION;
- }
- data.printToFile = (pd.Flags & OS.PD_PRINTTOFILE) != 0;
- if (data.printToFile) data.fileName = output;
- data.copyCount = pd.nCopies;
- data.collate = (pd.Flags & OS.PD_COLLATE) != 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, size);
- devmode = OS.IsUnicode ? (DEVMODE)new DEVMODEW () : new DEVMODEA ();
- OS.MoveMemory(devmode, ptr, OS.IsUnicode ? OS.DEVMODEW_sizeof() : OS.DEVMODEA_sizeof());
- if ((devmode.dmFields & OS.DM_ORIENTATION) != 0) {
- int dmOrientation = devmode.dmOrientation;
- data.orientation = dmOrientation == OS.DMORIENT_LANDSCAPE ? PrinterData.LANDSCAPE : PrinterData.PORTRAIT;
- }
- OS.GlobalUnlock(hMem);
- if (pd.hDevMode != 0) OS.GlobalFree(pd.hDevMode);
- if (lpInitData != 0) OS.HeapFree(hHeap, 0, lpInitData);
- printerData = data;
- }
- return data;
- }
- }