1 /* |
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2 * Copyright 1995-2008 Sun Microsystems, Inc. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Sun designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Sun in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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22 * CA 95054 USA or visit www.sun.com if you need additional information or |
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23 * have any questions. |
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24 */ |
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25 package sun.awt.motif; |
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26 |
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27 import java.util.Vector; |
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28 import java.awt.*; |
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29 import java.awt.peer.*; |
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30 import java.awt.event.*; |
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31 import java.awt.image.BufferedImage; |
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32 import java.awt.image.DataBuffer; |
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33 import java.awt.image.DataBufferByte; |
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34 import java.awt.image.DataBufferInt; |
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35 import java.awt.image.ImageObserver; |
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36 import sun.awt.image.ImageRepresentation; |
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37 import sun.awt.motif.MInputMethod; |
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38 import sun.awt.motif.MInputMethodControl; |
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39 import sun.awt.im.*; |
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40 import sun.awt.DisplayChangedListener; |
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41 import sun.awt.SunToolkit; |
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42 import sun.awt.X11GraphicsDevice; |
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43 |
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44 class MWindowPeer extends MPanelPeer implements WindowPeer, |
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45 DisplayChangedListener { |
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46 |
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47 Insets insets = new Insets( 0, 0, 0, 0 ); |
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48 MWindowAttributes winAttr; |
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49 static Vector allWindows = new Vector(); |
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50 int iconWidth = -1; |
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51 int iconHeight = -1; |
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52 |
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53 int dropTargetCount = 0; |
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54 boolean alwaysOnTop; |
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55 |
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56 native void pCreate(MComponentPeer parent, String targetClassName, boolean isFocusableWindow); |
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57 native void pShow(); |
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58 native void pToFront(); |
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59 native void pShowModal(boolean isModal); |
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60 native void pHide(); |
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61 native void pReshape(int x, int y, int width, int height); |
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62 native void pDispose(); |
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63 native void pSetTitle(String title); |
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64 public native void setState(int state); |
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65 public native int getState(); |
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66 |
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67 public native void setResizable(boolean resizable); |
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68 native void addTextComponentNative(MComponentPeer tc); |
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69 native void removeTextComponentNative(); |
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70 native void pSetIMMOption(String option); |
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71 native void pSetMenuBar(MMenuBarPeer mbpeer); |
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72 native void setSaveUnder(boolean state); |
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73 |
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74 native void registerX11DropTarget(Component target); |
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75 native void unregisterX11DropTarget(Component target); |
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76 native void updateAlwaysOnTop(boolean isAlwaysOnTop); |
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77 |
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78 private static native void initIDs(); |
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79 |
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80 static { |
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81 initIDs(); |
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82 } |
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83 |
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84 // this function is privileged! do not change it to public! |
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85 private static int getInset(final String name, final int def) { |
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86 Integer tmp = (Integer) java.security.AccessController.doPrivileged( |
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87 new sun.security.action.GetIntegerAction(name, def)); |
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88 return tmp.intValue(); |
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89 } |
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90 |
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91 MWindowPeer() { |
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92 insets = new Insets(0,0,0,0); |
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93 winAttr = new MWindowAttributes(); |
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94 } |
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95 |
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96 MWindowPeer(Window target) { |
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97 |
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98 this(); |
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99 init(target); |
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100 |
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101 allWindows.addElement(this); |
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102 } |
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103 |
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104 void create(MComponentPeer parent) { |
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105 pCreate(parent, target.getClass().getName(), ((Window)target).isFocusableWindow()); |
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106 } |
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107 |
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108 void init( Window target ) { |
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109 if ( winAttr.nativeDecor == true ) { |
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110 insets.top = getInset("awt.frame.topInset", -1); |
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111 insets.left = getInset("awt.frame.leftInset", -1); |
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112 insets.bottom = getInset("awt.frame.bottomInset", -1); |
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113 insets.right = getInset("awt.frame.rightInset", -1); |
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114 } |
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115 |
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116 Rectangle bounds = target.getBounds(); |
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117 sysX = bounds.x; |
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118 sysY = bounds.y; |
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119 sysW = bounds.width; |
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120 sysH = bounds.height; |
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121 |
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122 super.init(target); |
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123 InputMethodManager imm = InputMethodManager.getInstance(); |
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124 String menuString = imm.getTriggerMenuString(); |
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125 if (menuString != null) |
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126 { |
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127 pSetIMMOption(menuString); |
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128 } |
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129 pSetTitle(winAttr.title); |
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130 |
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131 /* |
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132 * For Windows and undecorated Frames and Dialogs this just |
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133 * disables/enables resizing functions in the system menu. |
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134 */ |
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135 setResizable(winAttr.isResizable); |
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136 |
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137 setSaveUnder(true); |
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138 |
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139 Font f = target.getFont(); |
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140 if (f == null) { |
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141 f = defaultFont; |
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142 target.setFont(f); |
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143 setFont(f); |
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144 } |
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145 Color c = target.getBackground(); |
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146 if (c == null) { |
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147 target.setBackground(SystemColor.window); |
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148 setBackground(SystemColor.window); |
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149 } |
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150 c = target.getForeground(); |
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151 if (c == null) { |
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152 target.setForeground(SystemColor.windowText); |
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153 setForeground(SystemColor.windowText); |
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154 } |
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155 alwaysOnTop = ((Window)target).isAlwaysOnTop() && ((Window)target).isAlwaysOnTopSupported(); |
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156 |
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157 GraphicsConfiguration gc = getGraphicsConfiguration(); |
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158 ((X11GraphicsDevice)gc.getDevice()).addDisplayChangedListener(this); |
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159 |
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160 } |
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161 |
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162 /* Support for multiple icons is not implemented in MAWT */ |
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163 public void updateIconImages() { |
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164 if (this instanceof MFramePeer) { |
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165 ((MFramePeer)this).setIconImage(((Frame)target).getIconImage()); |
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166 } |
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167 } |
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168 |
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169 |
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170 /* Not implemented in MAWT */ |
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171 public void updateMinimumSize() { |
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172 } |
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173 |
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174 protected void disposeImpl() { |
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175 allWindows.removeElement(this); |
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176 super.disposeImpl(); |
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177 } |
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178 |
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179 public native void toBack(); |
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180 |
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181 public void setAlwaysOnTop(boolean alwaysOnTop) { |
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182 this.alwaysOnTop = alwaysOnTop; |
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183 updateAlwaysOnTop(alwaysOnTop); |
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184 } |
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185 |
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186 public void toFront() { |
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187 if (target.isVisible()) { |
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188 updateFocusableWindowState(); |
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189 pToFront(); |
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190 } |
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191 } |
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192 |
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193 public void updateFocusableWindowState() { |
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194 setFocusableWindow(((Window)target).isFocusableWindow()); |
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195 } |
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196 native void setFocusableWindow(boolean value); |
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197 |
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198 public void setVisible( boolean b ) { |
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199 if (b) { |
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200 updateFocusableWindowState(); |
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201 } |
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202 super.setVisible(b); |
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203 updateAlwaysOnTop(alwaysOnTop); |
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204 } |
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205 |
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206 public Insets getInsets() { |
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207 return insets; |
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208 } |
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209 |
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210 public void handleQuit() { |
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211 postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_CLOSING)); |
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212 } |
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213 |
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214 // XXX: nasty WM, foul play. spank WM author. |
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215 public void handleDestroy() { |
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216 final Window target = (Window)this.target; |
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217 SunToolkit.executeOnEventHandlerThread(target, |
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218 new Runnable() { |
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219 public void run() { |
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220 // This seems like the only reasonable thing we |
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221 // could do in this situation as the native window |
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222 // is already dead. |
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223 target.dispose(); |
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224 } |
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225 }); |
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226 } |
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227 |
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228 |
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229 // NOTE: This method may be called by privileged threads. |
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230 // DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
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231 public void handleIconify() { |
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232 postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_ICONIFIED)); |
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233 } |
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234 |
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235 // NOTE: This method may be called by privileged threads. |
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236 // DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
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237 public void handleDeiconify() { |
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238 postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_DEICONIFIED)); |
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239 } |
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240 |
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241 // NOTE: This method may be called by privileged threads. |
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242 // DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
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243 public void handleStateChange(int oldState, int newState) { |
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244 postEvent(new WindowEvent((Window)target, |
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245 WindowEvent.WINDOW_STATE_CHANGED, |
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246 oldState, newState)); |
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247 } |
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248 |
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249 /** |
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250 * Called to inform the Window that its size has changed and it |
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251 * should layout its children. |
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252 */ |
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253 // NOTE: This method may be called by privileged threads. |
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254 // DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
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255 public void handleResize(int width, int height) { |
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256 sysW = width; |
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257 sysH = height; |
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258 |
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259 // REMIND: Is this secure? Can client code subclass input method? |
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260 if (!tcList.isEmpty() && |
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261 !imList.isEmpty()){ |
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262 int i; |
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263 for (i = 0; i < imList.size(); i++){ |
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264 ((MInputMethod)imList.elementAt(i)).configureStatus(); |
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265 } |
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266 } |
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267 validateSurface(width, height); |
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268 postEvent(new ComponentEvent(target, ComponentEvent.COMPONENT_RESIZED)); |
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269 } |
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270 |
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271 |
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272 /** |
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273 * DEPRECATED: Replaced by getInsets(). |
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274 */ |
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275 public Insets insets() { |
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276 return getInsets(); |
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277 } |
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278 |
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279 public void handleMoved(int x, int y) { |
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280 sysX = x; |
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281 sysY = y; |
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282 postEvent(new ComponentEvent(target, ComponentEvent.COMPONENT_MOVED)); |
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283 } |
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284 |
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285 private native AWTEvent wrapInSequenced(AWTEvent event); |
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286 |
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287 // NOTE: This method may be called by privileged threads. |
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288 // DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
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289 public void handleWindowFocusIn() { |
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290 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS); |
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291 /* wrap in Sequenced, then post*/ |
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292 postEvent(wrapInSequenced((AWTEvent) we)); |
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293 } |
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294 |
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295 // NOTE: This method may be called by privileged threads. |
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296 // DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
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297 public void handleWindowFocusOut(Window oppositeWindow) { |
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298 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_LOST_FOCUS, |
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299 oppositeWindow); |
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300 /* wrap in Sequenced, then post*/ |
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301 postEvent(wrapInSequenced((AWTEvent) we)); |
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302 } |
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303 |
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304 |
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305 // relocation of Imm stuff |
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306 private Vector imList = new Vector(); |
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307 private Vector tcList = new Vector(); |
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308 |
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309 // NOTE: This method is called by privileged threads. |
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310 // DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
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311 void notifyIMMOptionChange(){ |
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312 |
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313 // REMIND: IS THIS SECURE??? CAN USER CODE SUBCLASS INPUTMETHODMGR??? |
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314 InputMethodManager.getInstance().notifyChangeRequest(target); |
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315 } |
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316 |
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317 public void addInputMethod(MInputMethod im) { |
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318 if (!imList.contains(im)) |
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319 imList.addElement(im); |
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320 } |
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321 |
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322 public void removeInputMethod(MInputMethod im) { |
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323 if (imList.contains(im)) |
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324 imList.removeElement(im); |
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325 } |
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326 |
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327 public void addTextComponent(MComponentPeer tc) { |
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328 if (tcList.contains(tc)) |
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329 return; |
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330 if (tcList.isEmpty()){ |
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331 addTextComponentNative(tc); |
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332 if (!imList.isEmpty()) { |
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333 for (int i = 0; i < imList.size(); i++) { |
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334 ((MInputMethod)imList.elementAt(i)).reconfigureXIC((MInputMethodControl)this); |
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335 } |
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336 } |
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337 MToolkit.executeOnEventHandlerThread(target, new Runnable() { |
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338 public void run() { |
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339 synchronized(target.getTreeLock()) { |
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340 target.doLayout(); |
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341 } |
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342 } |
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343 }); |
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344 } |
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345 tcList.addElement(tc); |
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346 |
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347 } |
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348 |
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349 public void removeTextComponent(MComponentPeer tc) { |
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350 if (!tcList.contains(tc)) |
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351 return; |
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352 tcList.removeElement(tc); |
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353 if (tcList.isEmpty()){ |
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354 removeTextComponentNative(); |
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355 if (!imList.isEmpty()) { |
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356 for (int i = 0; i < imList.size(); i++) { |
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357 ((MInputMethod)imList.elementAt(i)).reconfigureXIC((MInputMethodControl)this); |
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358 } |
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359 } |
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360 target.doLayout(); |
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361 } |
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362 } |
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363 |
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364 public MComponentPeer getTextComponent() { |
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365 if (!tcList.isEmpty()) { |
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366 return (MComponentPeer)tcList.firstElement(); |
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367 } else { |
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368 return null; |
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369 } |
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370 } |
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371 |
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372 boolean hasDecorations(int decor) { |
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373 if (!winAttr.nativeDecor) { |
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374 return false; |
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375 } |
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376 else { |
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377 int myDecor = winAttr.decorations; |
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378 boolean hasBits = ((myDecor & decor) == decor); |
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379 if ((myDecor & MWindowAttributes.AWT_DECOR_ALL) != 0) |
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380 return !hasBits; |
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381 else |
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382 return hasBits; |
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383 } |
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384 } |
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385 |
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386 /* Returns the native paint should be posted after setting new size |
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387 */ |
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388 public boolean checkNativePaintOnSetBounds(int width, int height) { |
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389 // Fix for 4418155. Window does not repaint |
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390 // automticaly if shrinking. Should not wait for Expose |
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391 return (width > oldWidth) || (height > oldHeight); |
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392 } |
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393 |
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394 /* --- DisplayChangedListener Stuff --- */ |
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395 |
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396 native void resetTargetGC(Component target); |
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397 |
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398 /* Xinerama |
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399 * called to update our GC when dragged onto another screen |
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400 */ |
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401 public void draggedToNewScreen(int screenNum) { |
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402 final int finalScreenNum = screenNum; |
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403 |
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404 SunToolkit.executeOnEventHandlerThread((Component)target, new Runnable() |
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405 { |
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406 public void run() { |
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407 displayChanged(finalScreenNum); |
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408 } |
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409 }); |
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410 } |
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411 |
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412 /* Xinerama |
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413 * called to update our GC when dragged onto another screen |
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414 */ |
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415 public void displayChanged(int screenNum) { |
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416 // update our GC |
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417 resetLocalGC(screenNum); /* upcall to MCanvasPeer */ |
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418 resetTargetGC(target); /* call Window.resetGC() via native */ |
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419 |
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420 //propagate to children |
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421 super.displayChanged(screenNum); /* upcall to MPanelPeer */ |
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422 } |
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423 |
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424 /** |
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425 * Helper method that executes the displayChanged(screen) method on |
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426 * the event dispatch thread. This method is used in the Xinerama case |
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427 * and after display mode change events. |
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428 */ |
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429 private void executeDisplayChangedOnEDT(int screenNum) { |
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430 final int finalScreenNum = screenNum; |
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431 Runnable dc = new Runnable() { |
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432 public void run() { |
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433 displayChanged(finalScreenNum); |
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434 } |
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435 }; |
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436 SunToolkit.executeOnEventHandlerThread((Component)target, dc); |
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437 } |
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438 |
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439 /** |
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440 * From the DisplayChangedListener interface; called from |
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441 * X11GraphicsDevice when the display mode has been changed. |
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442 */ |
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443 public void displayChanged() { |
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444 GraphicsConfiguration gc = getGraphicsConfiguration(); |
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445 int curScreenNum = ((X11GraphicsDevice)gc.getDevice()).getScreen(); |
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446 executeDisplayChangedOnEDT(curScreenNum); |
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447 } |
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448 |
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449 /** |
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450 * From the DisplayChangedListener interface; top-levels do not need |
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451 * to react to this event. |
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452 */ |
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453 public void paletteChanged() { |
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454 } |
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455 |
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456 public synchronized void addDropTarget() { |
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457 if (dropTargetCount == 0) { |
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458 registerX11DropTarget(target); |
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459 } |
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460 dropTargetCount++; |
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461 } |
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462 |
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463 public synchronized void removeDropTarget() { |
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464 dropTargetCount--; |
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465 if (dropTargetCount == 0) { |
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466 unregisterX11DropTarget(target); |
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467 } |
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468 } |
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469 |
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470 protected synchronized void updateDropTarget() { |
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471 if (dropTargetCount > 0) { |
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472 unregisterX11DropTarget(target); |
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473 registerX11DropTarget(target); |
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474 } |
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475 } |
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476 |
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477 public boolean requestWindowFocus() { |
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478 return false; |
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479 } |
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480 |
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481 public void setModalBlocked(Dialog blocker, boolean blocked) { |
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482 // do nothing |
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483 } |
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484 |
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485 public void postUngrabEvent() { |
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486 postEvent(new sun.awt.UngrabEvent((Window)target)); |
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487 } |
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488 |
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489 boolean isOwnerOf(MComponentPeer child) { |
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490 if (child == null) return false; |
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491 |
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492 Component comp = child.target; |
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493 while (comp != null && !(comp instanceof Window)) { |
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494 comp = getParent_NoClientCode(comp); |
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495 } |
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496 if (!(comp instanceof Window)) { |
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497 return false; |
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498 } |
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499 |
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500 while (comp != null && !(comp == target) && !(comp instanceof Dialog)) { |
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501 comp = getParent_NoClientCode(comp); |
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502 } |
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503 return (comp == target); |
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504 } |
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505 |
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506 boolean processUngrabMouseEvent(MComponentPeer compPeer, int x_root, int y_root, int type) { |
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507 switch (type) { |
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508 case 4: // ButtonPress |
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509 // Check that the target is the child of the grabbed |
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510 // window or the child of one of the owned windows of |
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511 // the grabbed window |
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512 if (!isOwnerOf(compPeer)) { |
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513 postUngrabEvent(); |
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514 return true; |
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515 } |
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516 } |
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517 return false; |
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518 } |
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519 |
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520 private final boolean hasWarningWindow() { |
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521 return ((Window)target).getWarningString() != null; |
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522 } |
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523 |
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524 // This method is overriden at Dialog and Frame peers. |
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525 boolean isTargetUndecorated() { |
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526 return true; |
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527 } |
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528 |
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529 private volatile int sysX = 0; |
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530 private volatile int sysY = 0; |
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531 private volatile int sysW = 0; |
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532 private volatile int sysH = 0; |
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533 |
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534 Rectangle constrainBounds(int x, int y, int width, int height) { |
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535 // We don't restrict the setBounds() operation if the code is trusted. |
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536 if (!hasWarningWindow()) { |
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537 return new Rectangle(x, y, width, height); |
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538 } |
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539 |
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540 int newX = x; |
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541 int newY = y; |
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542 int newW = width; |
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543 int newH = height; |
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544 |
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545 GraphicsConfiguration gc = ((Window)target).getGraphicsConfiguration(); |
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546 Rectangle sB = gc.getBounds(); |
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547 Insets sIn = ((Window)target).getToolkit().getScreenInsets(gc); |
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548 |
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549 int screenW = sB.width - sIn.left - sIn.right; |
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550 int screenH = sB.height - sIn.top - sIn.bottom; |
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551 |
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552 // If it's undecorated or is not currently visible, |
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553 // then check each point is within the visible part of the screen |
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554 if (!target.isVisible() || isTargetUndecorated()) { |
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555 int screenX = sB.x + sIn.left; |
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556 int screenY = sB.y + sIn.top; |
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557 |
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558 // First make sure the size is withing the visible part of the screen |
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559 if (newW > screenW) { |
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560 newW = screenW; |
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561 } |
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562 |
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563 if (newH > screenH) { |
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564 newH = screenH; |
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565 } |
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566 |
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567 // Tweak the location if needed |
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568 if (newX < screenX) { |
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569 newX = screenX; |
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570 } else if (newX + newW > screenX + screenW) { |
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571 newX = screenX + screenW - newW; |
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572 } |
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573 |
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574 if (newY < screenY) { |
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575 newY = screenY; |
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576 } else if (newY + newH > screenY + screenH) { |
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577 newY = screenY + screenH - newH; |
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578 } |
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579 } else { |
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580 int maxW = Math.max(screenW, sysW); |
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581 int maxH = Math.max(screenH, sysH); |
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582 |
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583 // Make sure the size is withing the visible part of the screen |
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584 // OR is less that the current size of the window. |
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585 if (newW > maxW) { |
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586 newW = maxW; |
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587 } |
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588 |
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589 if (newH > maxH) { |
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590 newH = maxH; |
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591 } |
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592 } |
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593 |
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594 return new Rectangle(newX, newY, newW, newH); |
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595 } |
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596 |
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597 public void setBounds(int x, int y, int width, int height, int op) { |
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598 Rectangle newBounds = constrainBounds(x, y, width, height); |
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599 super.setBounds(newBounds.x, newBounds.y, newBounds.width, newBounds.height, op); |
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600 } |
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601 |
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602 } |
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