1 /* 2 * Copyright (c) 1996, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 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 package sun.awt.windows; 26 27 import java.awt.*; 28 import java.awt.peer.*; 29 import sun.awt.AWTAccessor; 30 import sun.awt.im.InputMethodManager; 31 import java.security.AccessController; 32 import sun.security.action.GetPropertyAction; 33 import sun.java2d.pipe.Region; 34 35 class WFramePeer extends WWindowPeer implements FramePeer { 36 37 static { 38 initIDs(); 39 } 40 41 // initialize JNI field and method IDs 42 private static native void initIDs(); 43 44 // FramePeer implementation 45 @Override 46 public native void setState(int state); 47 @Override 48 public native int getState(); 49 50 // sync target and peer 51 public void setExtendedState(int state) { 52 AWTAccessor.getFrameAccessor().setExtendedState((Frame)target, state); 53 } 54 public int getExtendedState() { 55 return AWTAccessor.getFrameAccessor().getExtendedState((Frame)target); 56 } 57 58 // Convenience methods to save us from trouble of extracting 59 // Rectangle fields in native code. 60 private native void setMaximizedBounds(int x, int y, int w, int h); 61 private native void clearMaximizedBounds(); 62 63 private static final boolean keepOnMinimize = "true".equals( 64 AccessController.doPrivileged( 65 new GetPropertyAction( 66 "sun.awt.keepWorkingSetOnMinimize"))); 67 68 @Override 69 public void setMaximizedBounds(Rectangle b) { 70 if (b == null) { 71 clearMaximizedBounds(); 72 } else { 73 Rectangle adjBounds = adjustMaximizedBounds(b); 74 setMaximizedBounds(adjBounds.x, adjBounds.y, adjBounds.width, adjBounds.height); 75 } 76 } 77 78 /** 79 * The incoming bounds describe the maximized size and position of the 80 * window on the monitor that displays the window. But the window manager 81 * expects that the bounds are based on the size and position of the 82 * primary monitor, even if the window ultimately maximizes onto a 83 * secondary monitor. And the window manager adjusts these values to 84 * compensate for differences between the primary monitor and the monitor 85 * that displays the window. 86 * The method translates the incoming bounds to the values acceptable 87 * by the window manager. For more details, please refer to 6699851. 88 */ 89 private Rectangle adjustMaximizedBounds(Rectangle b) { 90 GraphicsConfiguration currentDevGC = getGraphicsConfiguration(); 91 92 GraphicsDevice primaryDev = GraphicsEnvironment 93 .getLocalGraphicsEnvironment().getDefaultScreenDevice(); 94 GraphicsConfiguration primaryDevGC = primaryDev.getDefaultConfiguration(); 95 96 if (currentDevGC != null && currentDevGC != primaryDevGC) { 97 double currScaleX = currentDevGC.getDefaultTransform().getScaleX(); 98 double currScaleY = currentDevGC.getDefaultTransform().getScaleY(); 99 double priScaleX = primaryDevGC.getDefaultTransform().getScaleX(); 100 double priScaleY = primaryDevGC.getDefaultTransform().getScaleY(); 101 Rectangle currentDevBounds = currentDevGC.getBounds(); 102 Rectangle primaryDevBounds = primaryDevGC.getBounds(); 103 104 //scale the bounds for proper comparisions. 105 currentDevBounds = scaleBounds(currentDevBounds, currScaleX, currScaleY); 106 b = scaleBounds(b, currScaleX, currScaleY); 107 Rectangle scaledPrimaryDevBounds = scaleBounds(primaryDevBounds, priScaleX, priScaleY); 108 109 //due to floating point operations, it could be possible in some 110 //scenarios, that the width and height are slightly larger 111 //than the maximum permissible values. 112 if (b.width > currentDevBounds.width) { 113 b.width = currentDevBounds.width; 114 } 115 116 if (b.height > currentDevBounds.height) { 117 b.height = currentDevBounds.height; 118 } 119 120 //To maximize a window onto secondary screen, we still need to 121 //provide the primary screen coordinates, and set the width 122 //and height equal to primary screen bounds. 123 if (scaledPrimaryDevBounds.width < currentDevBounds.width && 124 b.width == currentDevBounds.width) { 125 b.width = primaryDevBounds.width; 126 } 127 128 if (scaledPrimaryDevBounds.height < currentDevBounds.height && 129 b.height == currentDevBounds.height) { 130 b.height = primaryDevBounds.height; 131 } 132 133 if (b.x == currentDevBounds.x) { 134 b.x = primaryDevBounds.x; 135 } 136 137 if (b.y == currentDevBounds.y) { 138 b.y = primaryDevBounds.y; 139 } 140 141 return b; 142 } else { 143 double priScaleX = primaryDevGC.getDefaultTransform().getScaleX(); 144 double priScaleY = primaryDevGC.getDefaultTransform().getScaleY(); 145 return scaleBounds(b, priScaleX, priScaleY); 146 } 147 } 148 149 private Rectangle scaleBounds(Rectangle source, double scaleX, double scaleY) { 150 Rectangle res = (Rectangle)source.clone(); 151 152 if (scaleX > 1.0) { 153 res.x = Region.clipScale(source.x, scaleX); 154 res.width = Region.clipScale(source.width, scaleX); 155 } 156 157 if (scaleY > 1.0) { 158 res.y = Region.clipScale(source.y, scaleY); 159 res.height = Region.clipScale(source.height, scaleY); 160 } 161 162 return res; 163 } 164 165 @Override 166 public boolean updateGraphicsData(GraphicsConfiguration gc) { 167 boolean result = super.updateGraphicsData(gc); 168 Rectangle bounds = AWTAccessor.getFrameAccessor(). 169 getMaximizedBounds((Frame)target); 170 if (bounds != null) { 171 setMaximizedBounds(bounds); 172 } 173 return result; 174 } 175 176 @Override 177 boolean isTargetUndecorated() { 178 return ((Frame)target).isUndecorated(); 179 } 180 181 @Override 182 public void reshape(int x, int y, int width, int height) { 183 if (((Frame)target).isUndecorated()) { 184 super.reshape(x, y, width, height); 185 } else { 186 reshapeFrame(x, y, width, height); 187 } 188 } 189 190 @Override 191 public Dimension getMinimumSize() { 192 Dimension d = new Dimension(); 193 if (!((Frame)target).isUndecorated()) { 194 d.setSize(getSysMinWidth(), getSysMinHeight()); 195 } 196 if (((Frame)target).getMenuBar() != null) { 197 d.height += getSysMenuHeight(); 198 } 199 return d; 200 } 201 202 // Note: Because this method calls resize(), which may be overridden 203 // by client code, this method must not be executed on the toolkit 204 // thread. 205 @Override 206 public void setMenuBar(MenuBar mb) { 207 WMenuBarPeer mbPeer = (WMenuBarPeer) WToolkit.targetToPeer(mb); 208 if (mbPeer != null) { 209 if (mbPeer.framePeer != this) { 210 mb.removeNotify(); 211 mb.addNotify(); 212 mbPeer = (WMenuBarPeer) WToolkit.targetToPeer(mb); 213 if (mbPeer != null && mbPeer.framePeer != this) { 214 throw new IllegalStateException("Wrong parent peer"); 215 } 216 } 217 if (mbPeer != null) { 218 addChildPeer(mbPeer); 219 } 220 } 221 setMenuBar0(mbPeer); 222 updateInsets(insets_); 223 } 224 225 // Note: Because this method calls resize(), which may be overridden 226 // by client code, this method must not be executed on the toolkit 227 // thread. 228 private native void setMenuBar0(WMenuBarPeer mbPeer); 229 230 // Toolkit & peer internals 231 232 WFramePeer(Frame target) { 233 super(target); 234 235 InputMethodManager imm = InputMethodManager.getInstance(); 236 String menuString = imm.getTriggerMenuString(); 237 if (menuString != null) 238 { 239 pSetIMMOption(menuString); 240 } 241 } 242 243 native void createAwtFrame(WComponentPeer parent); 244 @Override 245 void create(WComponentPeer parent) { 246 preCreate(parent); 247 createAwtFrame(parent); 248 } 249 250 @Override 251 void initialize() { 252 super.initialize(); 253 254 Frame target = (Frame)this.target; 255 256 if (target.getTitle() != null) { 257 setTitle(target.getTitle()); 258 } 259 setResizable(target.isResizable()); 260 setState(target.getExtendedState()); 261 } 262 263 private static native int getSysMenuHeight(); 264 265 native void pSetIMMOption(String option); 266 void notifyIMMOptionChange(){ 267 InputMethodManager.getInstance().notifyChangeRequest((Component)target); 268 } 269 270 @Override 271 public void setBoundsPrivate(int x, int y, int width, int height) { 272 setBounds(x, y, width, height, SET_BOUNDS); 273 } 274 @Override 275 public Rectangle getBoundsPrivate() { 276 return getBounds(); 277 } 278 279 // TODO: implement it in peers. WLightweightFramePeer may implement lw version. 280 @Override 281 public void emulateActivation(boolean activate) { 282 synthesizeWmActivate(activate); 283 } 284 285 private native void synthesizeWmActivate(boolean activate); 286 }