diff options
Diffstat (limited to 'org.eclipse.search/search/org/eclipse/search/internal/ui/util/SWTUtil.java')
| -rw-r--r-- | org.eclipse.search/search/org/eclipse/search/internal/ui/util/SWTUtil.java | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/org.eclipse.search/search/org/eclipse/search/internal/ui/util/SWTUtil.java b/org.eclipse.search/search/org/eclipse/search/internal/ui/util/SWTUtil.java deleted file mode 100644 index 1023af02e36..00000000000 --- a/org.eclipse.search/search/org/eclipse/search/internal/ui/util/SWTUtil.java +++ /dev/null @@ -1,154 +0,0 @@ -/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved.
- */
-package org.eclipse.search.internal.ui.util;
-
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.dnd.DragSource;
-import org.eclipse.swt.dnd.DropTarget;
-import org.eclipse.swt.graphics.GC;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Caret;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Menu;
-import org.eclipse.swt.widgets.ScrollBar;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.swt.widgets.Text;
-import org.eclipse.swt.widgets.Widget;
-
-import org.eclipse.jface.dialogs.IDialogConstants;
-import org.eclipse.jface.util.Assert;
-
-/**
- * Utility class to simplify access to some SWT resources.
- */
-public class SWTUtil {
-
- /**
- * Returns the standard display to be used. The method first checks, if
- * the thread calling this method has an associated disaply. If so, this
- * display is returned. Otherwise the method returns the default display.
- */
- public static Display getStandardDisplay() {
- Display display;
- display= Display.getCurrent();
- if (display == null)
- display= Display.getDefault();
- return display;
- }
-
- /**
- * Returns the shell for the given widget. If the widget doesn't represent
- * a SWT object that manage a shell, <code>null</code> is returned.
- *
- * @return the shell for the given widget
- */
- public static Shell getShell(Widget widget) {
- if (widget instanceof Control)
- return ((Control)widget).getShell();
- if (widget instanceof Caret)
- return ((Caret)widget).getParent().getShell();
- if (widget instanceof DragSource)
- return ((DragSource)widget).getControl().getShell();
- if (widget instanceof DropTarget)
- return ((DropTarget)widget).getControl().getShell();
- if (widget instanceof Menu)
- return ((Menu)widget).getParent().getShell();
- if (widget instanceof ScrollBar)
- return ((ScrollBar)widget).getParent().getShell();
-
- return null;
- }
-
- private static double fgHorizontalDialogUnitSize= 0.0;
- private static double fgVerticalDialogUnitSize= 0.0;
-
- private static void initializeDialogUnits(Control control) {
- GC gc= new GC(control);
- gc.setFont(control.getFont());
- int averageWidth= gc.getFontMetrics().getAverageCharWidth();
- int height = gc.getFontMetrics().getHeight();
- gc.dispose();
-
- fgHorizontalDialogUnitSize = averageWidth * 0.25;
- fgVerticalDialogUnitSize = height * 0.125;
- }
-
- /**
- * @see DialogPage#convertHeightInCharsToPixels
- */
- private static int convertHeightInCharsToPixels(int chars) {
- return convertVerticalDLUsToPixels(chars * 8);
- }
-
- /**
- * @see DialogPage#convertHorizontalDLUsToPixels
- */
- private static int convertHorizontalDLUsToPixels(int dlus) {
- return (int)Math.round(dlus * fgHorizontalDialogUnitSize);
- }
-
- /**
- * @see DialogPage#convertVerticalDLUsToPixels
- */
- private static int convertVerticalDLUsToPixels(int dlus) {
- return (int)Math.round(dlus * fgVerticalDialogUnitSize);
- }
-
- /**
- * @see DialogPage#convertWidthInCharsToPixels
- */
- private static int convertWidthInCharsToPixels(int chars) {
- return convertHorizontalDLUsToPixels(chars * 4);
- }
-
- /**
- * @see DialogPage#convertWidthInCharsToPixels
- */
- public static int convertWidthInCharsToPixels(int chars, Text text) {
- if (fgHorizontalDialogUnitSize == 0.0)
- initializeDialogUnits(text);
- return convertHorizontalDLUsToPixels(chars * 4);
- }
-
- /**
- * Returns a width hint for a button control.
- */
- public static int getButtonWidthHint(Button button) {
- if (fgHorizontalDialogUnitSize == 0.0) {
- initializeDialogUnits(button);
- }
- int widthHint= convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
- return Math.max(widthHint, button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
- }
-
- /**
- * Returns a height hint for a button control.
- */
- public static int getButtonHeigthHint(Button button) {
- if (fgHorizontalDialogUnitSize == 0.0) {
- initializeDialogUnits(button);
- }
- return convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
- }
-
- /**
- * Sets width and height hint for the button control.
- * <b>Note:</b> This is a NOP if the button's layout data is not
- * an instance of <code>GridData</code>.
- *
- * @param the button for which to set the dimension hint
- */
- public static void setButtonDimensionHint(Button button) {
- Assert.isNotNull(button);
- Object gd= button.getLayoutData();
- if (gd instanceof GridData) {
- ((GridData)gd).heightHint= SWTUtil.getButtonHeigthHint(button);
- ((GridData)gd).widthHint= SWTUtil.getButtonWidthHint(button);
- }
- }
-}
\ No newline at end of file |