org.eclipse.swt.printing.PrintDialog Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of org.eclipse.swt.gtk.linux.aarch64 Show documentation
Show all versions of org.eclipse.swt.gtk.linux.aarch64 Show documentation
Standard Widget Toolkit for GTK on aarch64
The newest version!
/*******************************************************************************
* Copyright (c) 2000, 2019 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.printing;
import org.eclipse.swt.*;
import org.eclipse.swt.internal.*;
import org.eclipse.swt.internal.gtk.*;
import org.eclipse.swt.internal.gtk3.*;
import org.eclipse.swt.internal.gtk4.*;
import org.eclipse.swt.widgets.*;
/**
* Instances of this class allow the user to select
* a printer and various print-related parameters
* prior to starting a print job.
*
* IMPORTANT: This class is not intended to be subclassed.
*
*
* @see Printing snippets
* @see SWT Example: ControlExample, Dialog tab
* @see Sample code and further information
* @noextend This class is not intended to be subclassed by clients.
*/
public class PrintDialog extends Dialog {
PrinterData printerData = new PrinterData();
long handle;
int index;
byte [] settingsData;
static final String GET_MODAL_DIALOG = "org.eclipse.swt.internal.gtk.getModalDialog";
static final String SET_MODAL_DIALOG = "org.eclipse.swt.internal.gtk.setModalDialog";
static final String ADD_IDLE_PROC_KEY = "org.eclipse.swt.internal.gtk.addIdleProc";
static final String REMOVE_IDLE_PROC_KEY = "org.eclipse.swt.internal.gtk.removeIdleProc";
static final String GET_EMISSION_PROC_KEY = "org.eclipse.swt.internal.gtk.getEmissionProc";
/**
* 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
* - ERROR_NULL_ARGUMENT - if the parent is null
*
* @exception SWTException
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
* - ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
*
*
* @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.
*
* The style value is either one of the style constants defined in
* class SWT which is applicable to instances of this
* class, or must be built by bitwise OR'ing together
* (that is, using the int "|" operator) two or more
* of those SWT style constants. The class description
* lists the style constants that are applicable to the class.
* Style bits are also inherited from superclasses.
*
*
* @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
* - ERROR_NULL_ARGUMENT - if the parent is null
*
* @exception SWTException
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
* - ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
*
*
* @see SWT
* @see Widget#checkSubclass
* @see Widget#getStyle
*/
public PrintDialog (Shell parent, int style) {
super (parent, checkStyleBit (parent, style));
checkSubclass ();
}
/**
* Sets the printer data that will be used when the dialog
* is opened.
*
* Setting the printer data to null is equivalent to
* resetting all data fields to their default values.
*
*
* @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;
}
static int checkBits (int style, int int0, int int1, int int2, int int3, int int4, int int5) {
int mask = int0 | int1 | int2 | int3 | int4 | int5;
if ((style & mask) == 0) style |= int0;
if ((style & int0) != 0) style = (style & ~mask) | int0;
if ((style & int1) != 0) style = (style & ~mask) | int1;
if ((style & int2) != 0) style = (style & ~mask) | int2;
if ((style & int3) != 0) style = (style & ~mask) | int3;
if ((style & int4) != 0) style = (style & ~mask) | int4;
if ((style & int5) != 0) style = (style & ~mask) | int5;
return style;
}
static int checkStyleBit (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;
}
}
if ((style & mask) == 0) {
style |= SWT.APPLICATION_MODAL;
}
style &= ~SWT.MIRRORED;
if ((style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT)) == 0) {
if (parent != null) {
if ((parent.getStyle () & SWT.LEFT_TO_RIGHT) != 0) style |= SWT.LEFT_TO_RIGHT;
if ((parent.getStyle () & SWT.RIGHT_TO_LEFT) != 0) style |= SWT.RIGHT_TO_LEFT;
}
}
return checkBits (style, SWT.LEFT_TO_RIGHT, SWT.RIGHT_TO_LEFT, 0, 0, 0, 0);
}
@Override
protected void checkSubclass() {
}
/**
* Returns the print job scope that the user selected
* before pressing OK in the dialog. This will be one
* of the following values:
*
* PrinterData.ALL_PAGES- Print all pages in the current document
* PrinterData.PAGE_RANGE- Print the range of pages specified by startPage and endPage
* PrinterData.SELECTION- Print the current selection
*
*
* @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:
*
* PrinterData.ALL_PAGES- Print all pages in the current document
* PrinterData.PAGE_RANGE- Print the range of pages specified by startPage and endPage
* PrinterData.SELECTION- Print the current selection
*
*
* @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.
*
* 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 PrinterData.PAGE_RANGE.
*
*
* @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.
*
* 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 PrinterData.PAGE_RANGE.
*
*
* @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.
*
* 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 PrinterData.PAGE_RANGE.
*
*
* @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.
*
* 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 PrinterData.PAGE_RANGE.
*
*
* @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;
}
/**
* 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
* - ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
*
*/
public PrinterData open() {
byte [] titleBytes = Converter.wcsToMbcs (getText(), true);
long topHandle = getParent().handle;
while (topHandle != 0 && !GTK.GTK_IS_WINDOW(topHandle)) {
topHandle = GTK.gtk_widget_get_parent(topHandle);
}
handle = GTK.gtk_print_unix_dialog_new(titleBytes, topHandle);
GTK.gtk_print_unix_dialog_set_support_selection(handle, true);
GTK.gtk_print_unix_dialog_set_has_selection(handle, true);
GTK.gtk_print_unix_dialog_set_manual_capabilities(handle,
GTK.GTK_PRINT_CAPABILITY_COLLATE | GTK.GTK_PRINT_CAPABILITY_COPIES | GTK.GTK_PRINT_CAPABILITY_PAGE_SET);
/* Set state into print dialog settings. */
long settings = GTK.gtk_print_settings_new();
long page_setup = GTK.gtk_page_setup_new();
if (printerData.otherData != null) {
Printer.restore(printerData.otherData, settings, page_setup);
}
/* Set values of print_settings and page_setup from PrinterData. */
String printerName = printerData.name;
if (printerName == null && printerData.printToFile) {
/* Find the printer name corresponding to the file backend. */
long printer = Printer.gtkPrinterFromPrinterData(printerData);
if (printer != 0) {
PrinterData data = Printer.printerDataFromGtkPrinter(printer);
printerName = data.name;
OS.g_object_unref(printer);
}
}
if (printerName != null) {
byte [] nameBytes = Converter.wcsToMbcs (printerName, true);
GTK.gtk_print_settings_set_printer(settings, nameBytes);
}
switch (printerData.scope) {
case PrinterData.ALL_PAGES:
GTK.gtk_print_settings_set_print_pages(settings, GTK.GTK_PRINT_PAGES_ALL);
break;
case PrinterData.PAGE_RANGE:
GTK.gtk_print_settings_set_print_pages(settings, GTK.GTK_PRINT_PAGES_RANGES);
int [] pageRange = new int[2];
pageRange[0] = printerData.startPage - 1;
pageRange[1] = printerData.endPage - 1;
GTK.gtk_print_settings_set_page_ranges(settings, pageRange, 1);
break;
}
if ((printerData.printToFile || Printer.GTK_FILE_BACKEND.equals(printerData.driver)) && printerData.fileName != null) {
// TODO: GTK_FILE_BACKEND is not GTK API (see gtk bug 345590)
byte [] uri = Printer.uriFromFilename(printerData.fileName);
if (uri != null) {
GTK.gtk_print_settings_set(settings, GTK.GTK_PRINT_SETTINGS_OUTPUT_URI, uri);
}
}
GTK.gtk_print_settings_set_n_copies(settings, printerData.copyCount);
GTK.gtk_print_settings_set_collate(settings, printerData.collate);
/*
* Bug in GTK. The unix dialog gives priority to the value of the non-API
* field cups-Duplex in the print_settings (which we preserve in otherData).
* The fix is to manually clear cups-Duplex before setting the duplex field.
*/
byte [] keyBuffer = Converter.wcsToMbcs ("cups-Duplex", true);
GTK.gtk_print_settings_set(settings, keyBuffer, (byte[]) null);
if (printerData.duplex != SWT.DEFAULT) {
int duplex = printerData.duplex == PrinterData.DUPLEX_LONG_EDGE ? GTK.GTK_PRINT_DUPLEX_HORIZONTAL
: printerData.duplex == PrinterData.DUPLEX_SHORT_EDGE ? GTK.GTK_PRINT_DUPLEX_VERTICAL
: GTK.GTK_PRINT_DUPLEX_SIMPLEX;
GTK.gtk_print_settings_set_duplex (settings, duplex);
}
int orientation = printerData.orientation == PrinterData.LANDSCAPE ? GTK.GTK_PAGE_ORIENTATION_LANDSCAPE : GTK.GTK_PAGE_ORIENTATION_PORTRAIT;
GTK.gtk_print_settings_set_orientation(settings, orientation);
GTK.gtk_page_setup_set_orientation(page_setup, orientation);
GTK.gtk_print_unix_dialog_set_settings(handle, settings);
GTK.gtk_print_unix_dialog_set_page_setup(handle, page_setup);
GTK.gtk_print_unix_dialog_set_embed_page_setup(handle, true);
OS.g_object_unref(settings);
OS.g_object_unref(page_setup);
long group = GTK.gtk_window_get_group(0);
GTK.gtk_window_group_add_window (group, handle);
GTK.gtk_window_set_modal(handle, true);
PrinterData data = null;
//TODO: Handle 'Print Preview' (GTK_RESPONSE_APPLY).
Display display = getParent() != null ? getParent().getDisplay (): Display.getCurrent ();
int signalId = 0;
long hookId = 0;
if ((getStyle () & SWT.RIGHT_TO_LEFT) != 0) {
signalId = OS.g_signal_lookup (OS.map, GTK.GTK_TYPE_WIDGET());
hookId = OS.g_signal_add_emission_hook (signalId, 0, ((LONG) display.getData (GET_EMISSION_PROC_KEY)).value, handle, 0);
}
display.setData (ADD_IDLE_PROC_KEY, null);
Object oldModal = null;
if (GTK.gtk_window_get_modal (handle)) {
oldModal = display.getData (GET_MODAL_DIALOG);
display.setData (SET_MODAL_DIALOG, this);
}
String key = "org.eclipse.swt.internal.gtk.externalEventLoop"; //$NON-NLS-1$
display.setData (key, Boolean.TRUE);
display.sendPreExternalEventDispatchEvent ();
int response = GTK3.gtk_dialog_run (handle);
display.setData (key, Boolean.FALSE);
display.sendPostExternalEventDispatchEvent ();
if (GTK.gtk_window_get_modal (handle)) {
display.setData (SET_MODAL_DIALOG, oldModal);
}
if ((getStyle () & SWT.RIGHT_TO_LEFT) != 0) {
OS.g_signal_remove_emission_hook (signalId, hookId);
}
if (response == GTK.GTK_RESPONSE_OK) {
long printer = GTK.gtk_print_unix_dialog_get_selected_printer(handle);
if (printer != 0) {
/* Get state from print dialog. */
settings = GTK.gtk_print_unix_dialog_get_settings(handle); // must unref
page_setup = GTK.gtk_print_unix_dialog_get_page_setup(handle); // do not unref
data = Printer.printerDataFromGtkPrinter(printer);
int print_pages = GTK.gtk_print_settings_get_print_pages(settings);
switch (print_pages) {
case GTK.GTK_PRINT_PAGES_ALL:
data.scope = PrinterData.ALL_PAGES;
break;
case GTK.GTK_PRINT_PAGES_RANGES:
data.scope = PrinterData.PAGE_RANGE;
int[] num_ranges = new int[1];
long page_ranges = GTK.gtk_print_settings_get_page_ranges(settings, num_ranges);
int [] pageRange = new int[2];
int length = num_ranges[0];
int min = Integer.MAX_VALUE, max = 0;
for (int i = 0; i < length; i++) {
C.memmove(pageRange, page_ranges + i * pageRange.length * 4, pageRange.length * 4);
min = Math.min(min, pageRange[0] + 1);
max = Math.max(max, pageRange[1] + 1);
}
OS.g_free(page_ranges);
data.startPage = min == Integer.MAX_VALUE ? 1 : min;
data.endPage = max == 0 ? 1 : max;
break;
case GTK.GTK_PRINT_PAGES_CURRENT:
data.scope = PrinterData.SELECTION;
data.startPage = data.endPage = GTK.gtk_print_unix_dialog_get_current_page(handle);
break;
case GTK.GTK_PRINT_PAGES_SELECTION:
data.scope = PrinterData.SELECTION;
break;
}
data.printToFile = Printer.GTK_FILE_BACKEND.equals(data.driver); // TODO: GTK_FILE_BACKEND is not GTK API (see gtk bug 345590)
if (data.printToFile) {
long address = GTK.gtk_print_settings_get(settings, GTK.GTK_PRINT_SETTINGS_OUTPUT_URI);
int length = C.strlen (address);
byte [] buffer = new byte [length];
C.memmove (buffer, address, length);
data.fileName = new String (Converter.mbcsToWcs (buffer));
}
data.copyCount = GTK.gtk_print_settings_get_n_copies(settings);
data.collate = GTK.gtk_print_settings_get_collate(settings);
int duplex = GTK.gtk_print_settings_get_duplex(settings);
data.duplex = duplex == GTK.GTK_PRINT_DUPLEX_HORIZONTAL ? PrinterData.DUPLEX_LONG_EDGE
: duplex == GTK.GTK_PRINT_DUPLEX_VERTICAL ? PrinterData.DUPLEX_SHORT_EDGE
: PrinterData.DUPLEX_NONE;
data.orientation = GTK.gtk_page_setup_get_orientation(page_setup) == GTK.GTK_PAGE_ORIENTATION_LANDSCAPE ? PrinterData.LANDSCAPE : PrinterData.PORTRAIT;
/* Save other print_settings data as key/value pairs in otherData. */
Callback printSettingsCallback = new Callback(this, "GtkPrintSettingsFunc", 3); //$NON-NLS-1$
long GtkPrintSettingsFunc = printSettingsCallback.getAddress();
index = 0;
settingsData = new byte[1024];
GTK.gtk_print_settings_foreach (settings, GtkPrintSettingsFunc, 0);
printSettingsCallback.dispose ();
index++; // extra null terminator after print_settings and before page_setup
/* Save page_setup data as key/value pairs in otherData.
* Note that page_setup properties must be stored and restored in the same order.
*/
store("orientation", GTK.gtk_page_setup_get_orientation(page_setup)); //$NON-NLS-1$
store("top_margin", GTK.gtk_page_setup_get_top_margin(page_setup, GTK.GTK_UNIT_MM)); //$NON-NLS-1$
store("bottom_margin", GTK.gtk_page_setup_get_bottom_margin(page_setup, GTK.GTK_UNIT_MM)); //$NON-NLS-1$
store("left_margin", GTK.gtk_page_setup_get_left_margin(page_setup, GTK.GTK_UNIT_MM)); //$NON-NLS-1$
store("right_margin", GTK.gtk_page_setup_get_right_margin(page_setup, GTK.GTK_UNIT_MM)); //$NON-NLS-1$
long paper_size = GTK.gtk_page_setup_get_paper_size(page_setup); //$NON-NLS-1$
storeBytes("paper_size_name", GTK.gtk_paper_size_get_name(paper_size)); //$NON-NLS-1$
storeBytes("paper_size_display_name", GTK.gtk_paper_size_get_display_name(paper_size)); //$NON-NLS-1$
storeBytes("paper_size_ppd_name", GTK.gtk_paper_size_get_ppd_name(paper_size)); //$NON-NLS-1$
store("paper_size_width", GTK.gtk_paper_size_get_width(paper_size, GTK.GTK_UNIT_MM)); //$NON-NLS-1$
store("paper_size_height", GTK.gtk_paper_size_get_height(paper_size, GTK.GTK_UNIT_MM)); //$NON-NLS-1$
store("paper_size_is_custom", GTK.gtk_paper_size_is_custom(paper_size)); //$NON-NLS-1$
data.otherData = settingsData;
OS.g_object_unref(settings);
printerData = data;
}
}
display.setData (REMOVE_IDLE_PROC_KEY, null);
if (GTK.GTK4) {
GTK4.gtk_window_destroy(handle);
} else {
GTK3.gtk_widget_destroy(handle);
}
return data;
}
long GtkPrintSettingsFunc (long key, long value, long data) {
int length = C.strlen (key);
byte [] keyBuffer = new byte [length];
C.memmove (keyBuffer, key, length);
length = C.strlen (value);
byte [] valueBuffer = new byte [length];
C.memmove (valueBuffer, value, length);
store(keyBuffer, valueBuffer);
return 0;
}
void store(String key, int value) {
store(key, String.valueOf(value));
}
void store(String key, double value) {
store(key, String.valueOf(value));
}
void store(String key, boolean value) {
store(key, String.valueOf(value));
}
void storeBytes(String key, long value) {
int length = C.strlen (value);
byte [] valueBuffer = new byte [length];
C.memmove (valueBuffer, value, length);
store(key.getBytes(), valueBuffer);
}
void store(String key, String value) {
store(key.getBytes(), value.getBytes());
}
void store(byte [] key, byte [] value) {
int length = key.length + 1 + value.length + 1;
if (index + length + 1 > settingsData.length) {
byte [] newData = new byte[settingsData.length + Math.max(length + 1, 1024)];
System.arraycopy (settingsData, 0, newData, 0, settingsData.length);
settingsData = newData;
}
System.arraycopy (key, 0, settingsData, index, key.length);
index += key.length + 1; // null terminated
System.arraycopy (value, 0, settingsData, index, value.length);
index += value.length + 1; // null terminated
}
}