13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.awt.X11; 27 28 import java.awt.Point; 29 import java.awt.Window; 30 import java.awt.GraphicsEnvironment; 31 import java.awt.GraphicsDevice; 32 import java.awt.peer.MouseInfoPeer; 33 34 import sun.awt.AWTAccessor; 35 36 public class XMouseInfoPeer implements MouseInfoPeer { 37 38 /** 39 * Package-private constructor to prevent instantiation. 40 */ 41 XMouseInfoPeer() { 42 } 43 44 public int fillPointWithCoords(Point point) { 45 long display = XToolkit.getDisplay(); 46 GraphicsEnvironment ge = GraphicsEnvironment. 47 getLocalGraphicsEnvironment(); 48 GraphicsDevice[] gds = ge.getScreenDevices(); 49 int gdslen = gds.length; 50 51 XToolkit.awtLock(); 52 try { 53 for (int i = 0; i < gdslen; i++) { 54 long screenRoot = XlibWrapper.RootWindow(display, i); 55 boolean pointerFound = XlibWrapper.XQueryPointer( 56 display, screenRoot, 57 XlibWrapper.larg1, // root_return 58 XlibWrapper.larg2, // child_return 59 XlibWrapper.larg3, // xr_return 60 XlibWrapper.larg4, // yr_return 61 XlibWrapper.larg5, // xw_return 62 XlibWrapper.larg6, // yw_return 63 XlibWrapper.larg7); // mask_return 64 if (pointerFound) { 65 point.x = Native.getInt(XlibWrapper.larg3); 66 point.y = Native.getInt(XlibWrapper.larg4); 67 return i; 68 } 69 } 70 } finally { 71 XToolkit.awtUnlock(); 72 } 73 74 // this should never happen 75 assert false : "No pointer found in the system."; 76 return 0; 77 } 78 79 @SuppressWarnings("deprecation") 80 public boolean isWindowUnderMouse(Window w) { 81 82 long display = XToolkit.getDisplay(); 83 84 // java.awt.Component.findUnderMouseInWindow checks that 85 // the peer is non-null by checking that the component 86 // is showing. | 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.awt.X11; 27 28 import java.awt.Point; 29 import java.awt.Window; 30 import java.awt.GraphicsEnvironment; 31 import java.awt.GraphicsDevice; 32 import java.awt.peer.MouseInfoPeer; 33 import sun.awt.X11GraphicsDevice; 34 35 import sun.awt.AWTAccessor; 36 37 public class XMouseInfoPeer implements MouseInfoPeer { 38 39 /** 40 * Package-private constructor to prevent instantiation. 41 */ 42 XMouseInfoPeer() { 43 } 44 45 public int fillPointWithCoords(Point point) { 46 long display = XToolkit.getDisplay(); 47 GraphicsEnvironment ge = GraphicsEnvironment. 48 getLocalGraphicsEnvironment(); 49 GraphicsDevice[] gds = ge.getScreenDevices(); 50 int gdslen = gds.length; 51 52 XToolkit.awtLock(); 53 try { 54 for (int i = 0; i < gdslen; i++) { 55 long screenRoot = XlibWrapper.RootWindow(display, i); 56 boolean pointerFound = XlibWrapper.XQueryPointer( 57 display, screenRoot, 58 XlibWrapper.larg1, // root_return 59 XlibWrapper.larg2, // child_return 60 XlibWrapper.larg3, // xr_return 61 XlibWrapper.larg4, // yr_return 62 XlibWrapper.larg5, // xw_return 63 XlibWrapper.larg6, // yw_return 64 XlibWrapper.larg7); // mask_return 65 if (pointerFound) { 66 point.x = Native.getInt(XlibWrapper.larg3); 67 point.y = Native.getInt(XlibWrapper.larg4); 68 GraphicsDevice device = gds[i]; 69 if (device instanceof X11GraphicsDevice) { 70 int scale = ((X11GraphicsDevice) device).getScaleFactor(); 71 point.x /= scale; 72 point.y /= scale; 73 } 74 return i; 75 } 76 } 77 } finally { 78 XToolkit.awtUnlock(); 79 } 80 81 // this should never happen 82 assert false : "No pointer found in the system."; 83 return 0; 84 } 85 86 @SuppressWarnings("deprecation") 87 public boolean isWindowUnderMouse(Window w) { 88 89 long display = XToolkit.getDisplay(); 90 91 // java.awt.Component.findUnderMouseInWindow checks that 92 // the peer is non-null by checking that the component 93 // is showing. |