diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Scale.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Scale.java | 342 |
1 files changed, 61 insertions, 281 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Scale.java b/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Scale.java index 466e679e60..26a5b923d5 100644 --- a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Scale.java +++ b/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Scale.java @@ -7,86 +7,29 @@ package org.eclipse.swt.widgets; * http://www.eclipse.org/legal/cpl-v10.html */ -import org.eclipse.swt.internal.carbon.*; +import org.eclipse.swt.internal.carbon.OS; +import org.eclipse.swt.internal.carbon.Rect; + 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 /*final*/ class Scale extends Control { - - private int increment= 1; - private int pageIncrement= 10; - -/** - * 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 class Scale extends Control { + int increment = 1; + int pageIncrement = 10; + 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. - * - * @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 - */ +int actionProc (int theControl, int partCode) { + Event event = new Event (); + sendEvent (SWT.Selection); + Display display = getDisplay (); + display.update (); + return 0; +} + public void addSelectionListener(SelectionListener listener) { checkWidget(); if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); @@ -94,172 +37,65 @@ public void addSelectionListener(SelectionListener 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; - Display display = getDisplay (); - int hScroll = display.scrolledMarginX; - int vScroll = display.scrolledMarginY; + int width = 0, height = 0; if ((style & SWT.HORIZONTAL) != 0) { - width += hScroll * 10; - height += vScroll; + int [] outMetric = new int [1]; + OS.GetThemeMetric (OS.kThemeMetricHSliderHeight, outMetric); + height = outMetric [0]; + width = height * 10; } else { - width += hScroll; - height += vScroll * 10; + int [] outMetric = new int [1]; + OS.GetThemeMetric (OS.kThemeMetricVSliderWidth, outMetric); + width = outMetric [0]; + height = width * 10; } - if (wHint != SWT.DEFAULT) width = wHint + (border * 2); - if (hHint != SWT.DEFAULT) height = hHint + (border * 2); + if (wHint != SWT.DEFAULT) width = wHint; + if (hHint != SWT.DEFAULT) height = hHint; return new Point (width, height); } -void createHandle (int index) { - state |= HANDLE; - /* AW - 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; - short procID= (short)(OS.kControlSliderProc + OS.kControlSliderLiveFeedback + OS.kControlSliderNonDirectional); - handle= MacUtil.newControl(parentHandle, (short)0, (short)0, (short)100, procID); - if (handle == 0) error (SWT.ERROR_NO_HANDLES); + +void createHandle () { + Display display = getDisplay (); + int actionProc = display.actionProc; + int [] outControl = new int [1]; + int window = OS.GetControlOwner (parent.handle); + OS.CreateSliderControl (window, null, 0, 0, 100, OS.kControlSliderDoesNotPoint, (short)0, true, actionProc, outControl); + if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES); + handle = outControl [0]; } -/** - * 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 increment; } -/** - * 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(); - return OS.GetControl32BitMaximum(handle); + return OS.GetControl32BitMaximum (handle); } -/** - * 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(); - return OS.GetControl32BitMinimum(handle); + return OS.GetControl32BitMinimum (handle); } -/** - * 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(); return pageIncrement; } -/** - * Returns the single <em>selection</em> that 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(); - return OS.GetControl32BitValue(handle); -} -void hookEvents () { - super.hookEvents (); - /* AW - int windowProc = getDisplay ().windowProc; - OS.XtAddCallback (handle, OS.XmNvalueChangedCallback, windowProc, SWT.Selection); - OS.XtAddCallback (handle, OS.XmNdragCallback, windowProc, SWT.Selection); - */ - OS.SetControlAction(handle, getDisplay().fControlActionProc); + return OS.GetControl32BitValue (handle); } -int processSelection (Object callData) { - - MacControlEvent macEvent= (MacControlEvent) callData; - Event event = new Event (); - if (macEvent.getPartCode() == OS.kControlIndicatorPart) { // end of drag or continuos drag - if (macEvent.isMouseDown()) { - event.detail = SWT.DRAG; // continuos drag - } else { - /* - * Do not set the detail field to SWT.DRAG - * to indicate that the dragging has ended. - */ - } - } - - sendEvent (SWT.Selection, event); - - /* AW FIXME: may be we need the following here too... - if (macEvent.isMouseDown()) { - int wHandle= OS.GetControlOwner(handle); - if (wHandle != 0) { - getDisplay().updateWindow(wHandle); - } - } - */ - return 0; -} -/** - * 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); @@ -267,95 +103,39 @@ public void removeSelectionListener(SelectionListener listener) { 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 value 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 value) { checkWidget(); if (value < 1) return; - increment= value; + increment = value; } -/** - * Sets the maximum value which the receiver will allow - * to be the argument which must be greater than or - * equal to zero. - * - * @param value the new maximum (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 setMaximum (int value) { checkWidget(); - if (value < 0) return; - if (OS.GetControl32BitValue(handle) > value) - OS.SetControl32BitValue(handle, value); - OS.SetControl32BitMaximum(handle, value); + int minimum = OS.GetControl32BitMinimum (handle); + if (0 <= minimum && minimum < value) { + OS.SetControl32BitMaximum (handle, value); + } } -/** - * Sets the minimum value which the receiver will allow - * to be the argument which must be greater than or - * equal to zero. - * - * @param value the new minimum (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 setMinimum (int value) { checkWidget(); - if (value < 0) return; - if (OS.GetControl32BitValue(handle) < value) - OS.SetControl32BitValue(handle, value); - OS.SetControl32BitMinimum(handle, value); + int maximum = OS.GetControl32BitMaximum (handle); + if (0 <= maximum && maximum < value) { + OS.SetControl32BitMinimum (handle, value); + } } -/** - * 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. - * - * @return 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 value) { checkWidget(); if (value < 1) return; - pageIncrement= value; + pageIncrement = value; } -/** - * Sets the single <em>selection</em> that 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 value) { checkWidget(); if (value < 0) return; - OS.SetControl32BitValue(handle, value); + OS.SetControl32BitValue (handle, value); } + } |