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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Scale.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Scale.java | 380 |
1 files changed, 0 insertions, 380 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Scale.java b/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Scale.java deleted file mode 100755 index 0fb6132258..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/widgets/Scale.java +++ /dev/null @@ -1,380 +0,0 @@ -/******************************************************************************* - * 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 - *******************************************************************************/ -package org.eclipse.swt.widgets; - - -import org.eclipse.swt.internal.*; -import org.eclipse.swt.internal.motif.*; -import org.eclipse.swt.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.graphics.*; - -/** - * Instances of the receiver represent a selectable user - * interface object that present a range of continuous - * numeric values. - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>HORIZONTAL, VERTICAL</dd> - * <dt><b>Events:</b></dt> - * <dd>Selection</dd> - * </dl> - * <p> - * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified. - * </p><p> - * <p> - * IMPORTANT: This class is intended to be subclassed <em>only</em> - * within the SWT implementation. - * </p> - */ -public class Scale extends Control { - int scrollHandle; - -/** - * 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#HORIZONTAL - * @see SWT#VERTICAL - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public Scale (Composite parent, int style) { - super (parent, checkStyle (style)); -} - -/** - * Adds the listener to the collection of listeners who will - * be notified when the receiver's value changes, by sending - * it one of the messages defined in the <code>SelectionListener</code> - * interface. - * <p> - * <code>widgetSelected</code> is called when the control's value changes. - * <code>widgetDefaultSelected</code> is not called. - * </p> - * - * @param listener the listener which should be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @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> - * - * @see SelectionListener - * @see #removeSelectionListener - */ -public void addSelectionListener(SelectionListener listener) { - checkWidget(); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - TypedListener typedListener = new TypedListener(listener); - addListener(SWT.Selection,typedListener); - addListener(SWT.DefaultSelection,typedListener); -} -static int checkStyle (int style) { - return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0); -} -public Point computeSize (int wHint, int hHint, boolean changed) { - checkWidget(); - int border = getBorderWidth (); - int width = border * 2, height = border * 2; - int hScroll = display.scrolledMarginX; - int vScroll = display.scrolledMarginY; - if ((style & SWT.HORIZONTAL) != 0) { - width += hScroll * 10; - height += vScroll; - } else { - width += hScroll; - height += vScroll * 10; - } - if (wHint != SWT.DEFAULT) width = wHint + (border * 2); - if (hHint != SWT.DEFAULT) height = hHint + (border * 2); - return new Point (width, height); -} -void createHandle (int index) { - state |= THEME_BACKGROUND; - int [] argList = { - OS.XmNtitleString, 0, - OS.XmNborderWidth, (style & SWT.BORDER) != 0 ? 1 : 0, - OS.XmNorientation, ((style & SWT.H_SCROLL) != 0) ? OS.XmHORIZONTAL : OS.XmVERTICAL, - OS.XmNprocessingDirection, ((style & SWT.H_SCROLL) != 0) ? OS.XmMAX_ON_RIGHT : OS.XmMAX_ON_BOTTOM, - OS.XmNancestorSensitive, 1, - }; - int parentHandle = parent.handle; - handle = OS.XmCreateScale (parentHandle, null, argList, argList.length / 2); - if (handle == 0) error (SWT.ERROR_NO_HANDLES); - byte[] scrollbar = Converter.wcsToMbcs (null, "Scrollbar\0"); - scrollHandle = OS.XtNameToWidget (handle, scrollbar); -} -void deregister () { - super.deregister (); - if (scrollHandle != 0) display.removeWidget (scrollHandle); -} -/** - * Returns the amount that the receiver's value will be - * modified by when the up/down (or right/left) arrows - * are pressed. - * - * @return the increment - * - * @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 int getIncrement () { - checkWidget(); - return 1; -} -/** - * Returns the maximum value which the receiver will allow. - * - * @return the maximum - * - * @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 int getMaximum () { - checkWidget(); - int [] argList = {OS.XmNmaximum, 0}; - OS.XtGetValues (handle, argList, argList.length / 2); - return argList [1]; -} -/** - * Returns the minimum value which the receiver will allow. - * - * @return the minimum - * - * @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 int getMinimum () { - checkWidget(); - int [] argList = {OS.XmNminimum, 0}; - OS.XtGetValues (handle, argList, argList.length / 2); - return argList [1]; -} -/** - * Returns the amount that the receiver's value will be - * modified by when the page increment/decrement areas - * are selected. - * - * @return the page increment - * - * @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 int getPageIncrement () { - checkWidget(); - int [] argList = {OS.XmNscaleMultiple, 0}; - OS.XtGetValues (handle, argList, argList.length / 2); - return argList [1]; -} -/** - * Returns the 'selection', which is the receiver's position. - * - * @return the selection - * - * @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 int getSelection () { - checkWidget(); - int [] argList = {OS.XmNvalue, 0}; - OS.XtGetValues (handle, argList, argList.length / 2); - return argList [1]; -} -void hookEvents () { - super.hookEvents (); - int windowProc = display.windowProc; - OS.XtAddCallback (handle, OS.XmNvalueChangedCallback, windowProc, VALUE_CHANGED_CALLBACK); - OS.XtAddCallback (handle, OS.XmNdragCallback, windowProc, DRAG_CALLBACK); - if (scrollHandle != 0) { - OS.XtAddEventHandler (scrollHandle, OS.ButtonPressMask, false, windowProc, BUTTON_PRESS); - OS.XtAddEventHandler (scrollHandle, OS.ButtonReleaseMask, false, windowProc, BUTTON_RELEASE); - OS.XtAddEventHandler (scrollHandle, OS.EnterWindowMask, false, windowProc, ENTER_WINDOW); - OS.XtAddEventHandler (scrollHandle, OS.LeaveWindowMask, false, windowProc, LEAVE_WINDOW); - OS.XtAddEventHandler (scrollHandle, OS.KeyPressMask, false, windowProc, KEY_PRESS); - OS.XtAddEventHandler (scrollHandle, OS.KeyReleaseMask, false, windowProc, KEY_RELEASE); - OS.XtInsertEventHandler (scrollHandle, OS.FocusChangeMask, false, windowProc, FOCUS_CHANGE, OS.XtListTail); - } -} -void overrideTranslations () { - OS.XtOverrideTranslations (handle, display.tabTranslations); -} -void register () { - super.register (); - if (scrollHandle != 0) display.addWidget (scrollHandle, this); -} -/** - * Removes the listener from the collection of listeners who will - * be notified when the receiver's value changes. - * - * @param listener the listener which should no longer be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @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> - * - * @see SelectionListener - * @see #addSelectionListener - */ -public void removeSelectionListener(SelectionListener listener) { - checkWidget(); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - if (eventTable == null) return; - eventTable.unhook(SWT.Selection, listener); - eventTable.unhook(SWT.DefaultSelection,listener); -} -/** - * Sets the amount that the receiver's value will be - * modified by when the up/down (or right/left) arrows - * are pressed to the argument, which must be at least - * one. - * - * @param increment the new increment (must be greater than zero) - * - * @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 void setIncrement (int increment) { - checkWidget(); -} -/** - * Sets the maximum value that the receiver will allow. This new - * value will be ignored if it is not greater than the receiver's current - * minimum value. If the new maximum is applied then the receiver's - * selection value will be adjusted if necessary to fall within its new range. - * - * @param value the new maximum, which must be greater than the current minimum - * - * @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 void setMaximum (int value) { - checkWidget(); - if (value < 0) return; - int [] argList = {OS.XmNmaximum, value}; - boolean warnings = display.getWarnings (); - display.setWarnings (false); - OS.XtSetValues (handle, argList, argList.length / 2); - display.setWarnings (warnings); -} -/** - * Sets the minimum value that the receiver will allow. This new - * value will be ignored if it is negative or is not less than the receiver's - * current maximum value. If the new minimum is applied then the receiver's - * selection value will be adjusted if necessary to fall within its new range. - * - * @param value the new minimum, which must be nonnegative and less than the current maximum - * - * @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 void setMinimum (int value) { - checkWidget(); - if (value < 0) return; - int [] argList = {OS.XmNminimum, value}; - boolean warnings = display.getWarnings (); - display.setWarnings (false); - OS.XtSetValues (handle, argList, argList.length / 2); - display.setWarnings (warnings); -} -/** - * Sets the amount that the receiver's value will be - * modified by when the page increment/decrement areas - * are selected to the argument, which must be at least - * one. - * - * @param pageIncrement the page increment (must be greater than zero) - * - * @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 void setPageIncrement (int pageIncrement) { - checkWidget(); - if (pageIncrement < 1) return; - int [] argList = {OS.XmNscaleMultiple, pageIncrement}; - boolean warnings = display.getWarnings (); - display.setWarnings (false); - OS.XtSetValues (handle, argList, argList.length / 2); - display.setWarnings (warnings); -} -/** - * Sets the 'selection', which is the receiver's value, - * to the argument which must be greater than or equal to zero. - * - * @param value the new selection (must be zero or greater) - * - * @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 void setSelection (int selection) { - checkWidget(); - int [] argList = {OS.XmNvalue, selection}; - boolean warnings = display.getWarnings (); - display.setWarnings (false); - OS.XtSetValues (handle, argList, argList.length / 2); - display.setWarnings (warnings); -} -int XmNdragCallback (int w, int client_data, int call_data) { - postEvent (SWT.Selection); - return 0; -} -int XmNvalueChangedCallback (int w, int client_data, int call_data) { - postEvent (SWT.Selection); - return 0; -} -} |