Attachment 25499 Details for Bug 38436 – SWTWorkarounds for Abbot (SWT 3.1: Windows, GTK, Motif)

SWTWorkarounds for Abbot (SWT 3.1: Windows, GTK, Motif)

SWTWorkarounds.java (text/plain), 8.61 KB, created by Tom Roche

on 2005-08-01 08:14:11 EDT

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Filename:

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Creator: Tom Roche

Created: 2005-08-01 08:14:11 EDT

Size: 8.61 KB

patch

obsolete

>package org.eclipse.swt.widgets;
>
>import java.lang.reflect.Field;
>import java.lang.reflect.Method;
>
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.custom.CTabItem;
>import org.eclipse.swt.graphics.Point;
>import org.eclipse.swt.graphics.Rectangle;
>
>public class SWTWorkarounds {
>
>	/*************************** COMMON *****************************/	
>	public static Rectangle getBounds (Object object) {
>		Rectangle result = new Rectangle (0, 0, 0, 0);
>		try {
>			Method method = object.getClass().getDeclaredMethod ("getBounds", null);
>			method.setAccessible(true);
>			result = (Rectangle) method.invoke (object, null);
>		} catch (Throwable th) {
>			// TODO - decide what should happen when the method is unavailable
>		}
>		return result;
>	}
>	
>	public static Rectangle getBounds(MenuItem menuItem) {
>		Rectangle itemRect = getBounds ((Object)menuItem);
>		Rectangle menuRect = getBounds (menuItem.getParent ());
>		if ((menuItem.getParent ().getStyle() & SWT.RIGHT_TO_LEFT) != 0) {
>			itemRect.x = menuRect.x + menuRect.width - itemRect.width - itemRect.x;
>		} else {
>			itemRect.x += menuRect.x;
>		}
>		// https://bugs.eclipse.org/bugs/show_bug.cgi?id=38436#c143
>		itemRect.y += menuRect.y;
>		return itemRect;
>	}
>
>	public static Rectangle getBounds (Menu menu) {
>		return getBounds ((Object)menu);
>	}
>
>	public static Rectangle getBounds (ScrollBar scrollBar) {
>		Point size = scrollBar.getSize ();
>		Rectangle bounds = scrollBar.getParent().getBounds();
>		if ((scrollBar.getParent ().getStyle() & SWT.RIGHT_TO_LEFT) != 0) {
>			bounds.x = 0;
>			bounds.width = size.x;
>		} else {
>			bounds.x = bounds.width - size.x;
>		}
>		bounds.y = bounds.height - size.y;
>		// TODO - coordinate system may change when the API is added to SWT
>		return scrollBar.getDisplay().map (scrollBar.getParent (), null, bounds);
>	}
>	
>	/*************************** WIN32 *****************************/
>	static int SendMessage (int hWnd, int Msg, int wParam, int [] lParam) {
>		int result = 0;
>		try {
>			Class clazz = Class.forName ("org.eclipse.swt.internal.win32.OS");
>			Class [] params = new Class [] {
>				Integer.TYPE,
>				Integer.TYPE,
>				Integer.TYPE,
>				lParam.getClass (),
>			};
>			Method method = clazz.getMethod ("SendMessage", params);
>			Object [] args = new Object [] {
>				new Integer (hWnd),
>				new Integer (Msg),
>				new Integer (wParam),
>				lParam,
>			};
>			result = ((Integer) method.invoke (clazz, args)).intValue ();
>		} catch (Throwable e) {
>			// TODO - decide what should happen when the method is unavailable
>		}
>		return result;
>	}
>
>	static Rectangle win32_getBounds(TabItem tabItem) {
>		TabFolder parent = tabItem.getParent();
>		int index = parent.indexOf (tabItem);
>		if (index == -1) return new Rectangle (0, 0, 0, 0);
>		int [] rect = new int [4];
>		SendMessage (parent.handle, /*TCM_GETITEMRECT*/ 0x130a, index, rect);
>		int width = rect [2] - rect[0];
>		int height = rect [3] - rect [1];
>		Rectangle bounds = new Rectangle (rect [0], rect [1], width, height);
>		return tabItem.getDisplay().map (tabItem.getParent (), null, bounds);
>	}
>
>	static Rectangle win32_getBounds(TableColumn tableColumn) {
>		Table parent = tableColumn.getParent ();
>		int index = parent.indexOf (tableColumn);
>		if (index == -1) return new Rectangle (0, 0, 0, 0); 
>		int hwndHeader = SendMessage (parent.handle, /*LVM_GETHEADER*/ 0x101f, 0, new int [0]);		
>		int [] rect = new int [4];
>		SendMessage (hwndHeader, /*HDM_GETITEMRECT*/ 0x1200 + 7, index, rect);
>		int width = rect [2] - rect[0];
>		int height = rect [3] - rect [1];
>		Rectangle bounds = new Rectangle (rect [0], rect [1], width, height);
>		// TODO - oordinate system may change when the API is added to SWT
>		return tableColumn.getDisplay().map (parent, null, bounds);
>	}
>	
>	/*************************** GTK *****************************/
>	static void gtk_getBounds (int handle, Rectangle bounds) {	
>		try {
>			Class clazz = Class.forName ("org.eclipse.swt.internal.gtk.OS");
>			Class [] params = new Class [] {Integer.TYPE};
>			Object [] args = new Object [] {new Integer (handle)};
>			Method method = clazz.getMethod ("GTK_WIDGET_X", params);
>			bounds.x = ((Integer) method.invoke (clazz, args)).intValue ();
>			method = clazz.getMethod ("GTK_WIDGET_Y", params);
>			bounds.y = ((Integer) method.invoke (clazz, args)).intValue ();
>			method = clazz.getMethod ("GTK_WIDGET_WIDTH", params);
>			bounds.width = ((Integer) method.invoke (clazz, args)).intValue ();
>			method = clazz.getMethod ("GTK_WIDGET_HEIGHT", params);
>			bounds.height = ((Integer) method.invoke (clazz, args)).intValue ();
>		} catch (Throwable e) {
>			// TODO - decide what should happen when the method is unavailable
>		}
>	}
>	
>	static Rectangle gtk_getBounds(TableColumn tabColumn) {
>		Rectangle bounds = new Rectangle (0, 0, 0, 0);
>		try {
>			Class c = tabColumn.getClass();
>			Field f = c.getDeclaredField("buttonHandle");
>			f.setAccessible(true);
>			int handle = f.getInt(tabColumn);			
>			gtk_getBounds(handle, bounds);
>		} catch (Throwable e) {
>			// TODO - decide what should happen when the method is unavailable
>		}
>		return tabColumn.getDisplay().map (tabColumn.getParent (), null, bounds);
>	}
>	
>	static Rectangle gtk_getBounds(TabItem tabItem) {
>		Rectangle bounds = new Rectangle (0, 0, 0, 0);  
>		try {
>			Class c = Class.forName ("org.eclipse.swt.widgets.Widget");
>			Field f = c.getDeclaredField("handle");
>			f.setAccessible(true);
>			int handle = f.getInt(tabItem);
>			gtk_getBounds(handle, bounds);
>		} catch (Throwable e) {
>			// TODO - decide what should happen when the method is unavailable
>		}
>		return tabItem.getDisplay().map (tabItem.getParent (), null, bounds);
>	}
>	
>	/*************************** MOTIF  *****************************/
>	static Rectangle motif_getBounds(TabItem tabItem) {
>		Rectangle bounds = new Rectangle (0, 0, 0, 0);  
>		try {
>			Class c = tabItem.getClass();
>			Method m = c.getDeclaredMethod("getBounds", null);
>			m.setAccessible(true);
>			bounds = (Rectangle)m.invoke(tabItem, null);
>			int margin = 2;
>			bounds.x +=margin;bounds.y+=margin;
>			bounds.width -= 2*margin; bounds.height-=margin;
>		} catch (Throwable e) {
>			// TODO - decide what should happen when the method is unavailable
>		}
>		return tabItem.getDisplay().map (tabItem.getParent (), null, bounds);
>	}
>	
>	static Rectangle motif_getBounds(TableColumn tableColumn) {
>		Rectangle bounds = new Rectangle (0, 0, 0, 0);  
>		try {
>			Class c = tableColumn.getClass();
>			Method m = c.getDeclaredMethod("getX", null);
>			m.setAccessible(true);
>			bounds.x = ((Integer)m.invoke(tableColumn, null)).intValue();
>			bounds.width = tableColumn.getWidth() - 2;
>			bounds.height = tableColumn.getParent().getHeaderHeight() - 2;
>		} catch (Throwable e) {
>			// TODO - decide what should happen when the method is unavailable
>		}
>		return tableColumn.getDisplay().map (tableColumn.getParent (), null, bounds);
>	}
>	
>	/*************************** CARBON  *****************************/
>	static Rectangle carbon_getBounds(TabItem tabItem) {
>		return null;
>	}	
>	
>	static Rectangle carbon_getBounds(TableColumn tableColumn) {
>		return null;
>	}
>
>	public static Rectangle getBounds (TabItem tabItem){
>		if (SWT.getPlatform().equals("win32")) {
>			return win32_getBounds (tabItem);
>		}
>		if (SWT.getPlatform().equals("gtk")) {
>			return gtk_getBounds (tabItem);
>		}
>		if (SWT.getPlatform().equals("motif")) {
>			return motif_getBounds (tabItem);
>		}
>		if (SWT.getPlatform().equals("carbon")) {
>			return carbon_getBounds (tabItem);
>		}
>		return null;
>	}
>
>	public static Rectangle getBounds (TableColumn tableColumn) {
>		if (SWT.getPlatform().equals("win32")) {
>			return win32_getBounds (tableColumn);
>		}
>		if (SWT.getPlatform().equals("gtk")) {
>			return gtk_getBounds (tableColumn);
>		}
>		if (SWT.getPlatform().equals("motif")) {
>			return motif_getBounds (tableColumn);
>		}
>		if (SWT.getPlatform().equals("carbon")) {
>			return carbon_getBounds (tableColumn);
>		}
>		return null;
>	}
>
>	public static Rectangle getBounds (TableItem item) {
>		return item.getDisplay().map (item.getParent (), null, item.getBounds (0));
>	}
>
>	public static Rectangle getBounds (TreeItem item) {
>		return item.getDisplay().map (item.getParent (), null, item.getBounds ());
>	}
>
>	public static Rectangle getBounds (CTabItem item) {
>		return item.getDisplay().map (item.getParent (), null, item.getBounds ());
>	}
>
>	public static Rectangle getBounds (ToolItem item) {
>		return item.getDisplay().map (item.getParent (), null, item.getBounds ());
>	}
>
>	public static Rectangle getBounds (CoolItem item) {
>		return item.getDisplay().map (item.getParent (), null, item.getBounds ());
>	}
>}
>
>

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Attachments on bug 38436: 10629 | 10676 | 11493 | 11498 | 16239 | 21077 | 23906 | 25375 | 25431 | 25499 | 25568 | 56919 | 74636