Mercurial > projects > dwt-win
view dwt/printing/PrintDialog.d @ 212:ab60f3309436
reverted the char[] to String and use the an alias.
author | Frank Benoit <benoit@tionex.de> |
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date | Mon, 05 May 2008 00:12:38 +0200 |
parents | cc00a2772bf4 |
children | 36f5cb12e1a2 |
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/******************************************************************************* * 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() { String name = this.classinfo.name; String 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; String 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++; } String driver = TCHARsToStr( buffer[driverOffset .. driverOffset+i] ); int deviceOffset = offsets[1]; i = 0; while (deviceOffset + i < size) { if (buffer[deviceOffset + i] is 0) break; i++; } String device = TCHARsToStr( buffer[deviceOffset .. deviceOffset+i] ); int outputOffset = offsets[2]; i = 0; while (outputOffset + i < size) { if (buffer[outputOffset + i] is 0) break; i++; } String 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; } }