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1 /* |
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2 * Copyright (c) 2002, 2017, Oracle and/or its affiliates. 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. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 package javax.swing.plaf.synth; |
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26 |
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27 import java.awt.*; |
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28 import java.beans.*; |
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29 import java.io.*; |
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30 import java.lang.ref.*; |
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31 import java.net.*; |
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32 import java.security.*; |
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33 import java.text.*; |
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34 import java.util.*; |
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35 import javax.swing.*; |
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36 import javax.swing.plaf.*; |
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37 import javax.swing.plaf.basic.*; |
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38 |
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39 import sun.awt.*; |
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40 import sun.security.action.*; |
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41 import sun.swing.*; |
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42 import sun.swing.plaf.synth.*; |
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43 |
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44 /** |
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45 * SynthLookAndFeel provides the basis for creating a customized look and |
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46 * feel. SynthLookAndFeel does not directly provide a look, all painting is |
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47 * delegated. |
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48 * You need to either provide a configuration file, by way of the |
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49 * {@link #load} method, or provide your own {@link SynthStyleFactory} |
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50 * to {@link #setStyleFactory}. Refer to the |
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51 * <a href="package-summary.html">package summary</a> for an example of |
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52 * loading a file, and {@link javax.swing.plaf.synth.SynthStyleFactory} for |
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53 * an example of providing your own <code>SynthStyleFactory</code> to |
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54 * <code>setStyleFactory</code>. |
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55 * <p> |
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56 * {@link SynthIcon} interface provides |
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57 * {@code paintIcon(synthContext, graphics, x, y, width, height)} method that |
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58 * allows to draw the icon with the given {@code SynthContext}. |
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59 * <p> |
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60 * <strong>Warning:</strong> |
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61 * This class implements {@link Serializable} as a side effect of it |
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62 * extending {@link BasicLookAndFeel}. It is not intended to be serialized. |
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63 * An attempt to serialize it will |
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64 * result in {@link NotSerializableException}. |
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65 * |
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66 * @serial exclude |
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67 * @since 1.5 |
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68 * @author Scott Violet |
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69 */ |
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70 @SuppressWarnings("serial") // Per above comment, not actually serializable |
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71 public class SynthLookAndFeel extends BasicLookAndFeel { |
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72 /** |
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73 * Used in a handful of places where we need an empty Insets. |
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74 */ |
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75 static final Insets EMPTY_UIRESOURCE_INSETS = new InsetsUIResource( |
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76 0, 0, 0, 0); |
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77 |
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78 /** |
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79 * AppContext key to get the current SynthStyleFactory. |
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80 */ |
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81 private static final Object STYLE_FACTORY_KEY = |
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82 new StringBuffer("com.sun.java.swing.plaf.gtk.StyleCache"); |
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83 |
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84 /** |
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85 * AppContext key to get selectedUI. |
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86 */ |
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87 private static final Object SELECTED_UI_KEY = new StringBuilder("selectedUI"); |
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88 |
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89 /** |
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90 * AppContext key to get selectedUIState. |
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91 */ |
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92 private static final Object SELECTED_UI_STATE_KEY = new StringBuilder("selectedUIState"); |
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93 |
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94 /** |
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95 * The last SynthStyleFactory that was asked for from AppContext |
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96 * <code>lastContext</code>. |
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97 */ |
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98 private static SynthStyleFactory lastFactory; |
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99 /** |
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100 * AppContext lastLAF came from. |
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101 */ |
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102 private static AppContext lastContext; |
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103 |
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104 /** |
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105 * SynthStyleFactory for the this SynthLookAndFeel. |
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106 */ |
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107 private SynthStyleFactory factory; |
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108 |
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109 /** |
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110 * Map of defaults table entries. This is populated via the load |
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111 * method. |
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112 */ |
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113 private Map<String, Object> defaultsMap; |
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114 |
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115 private Handler _handler; |
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116 |
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117 static ComponentUI getSelectedUI() { |
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118 return (ComponentUI) AppContext.getAppContext().get(SELECTED_UI_KEY); |
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119 } |
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120 |
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121 /** |
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122 * Used by the renderers. For the most part the renderers are implemented |
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123 * as Labels, which is problematic in so far as they are never selected. |
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124 * To accommodate this SynthLabelUI checks if the current |
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125 * UI matches that of <code>selectedUI</code> (which this methods sets), if |
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126 * it does, then a state as set by this method is returned. This provides |
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127 * a way for labels to have a state other than selected. |
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128 */ |
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129 static void setSelectedUI(ComponentUI uix, boolean selected, |
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130 boolean focused, boolean enabled, |
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131 boolean rollover) { |
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132 int selectedUIState = 0; |
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133 |
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134 if (selected) { |
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135 selectedUIState = SynthConstants.SELECTED; |
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136 if (focused) { |
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137 selectedUIState |= SynthConstants.FOCUSED; |
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138 } |
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139 } |
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140 else if (rollover && enabled) { |
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141 selectedUIState |= |
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142 SynthConstants.MOUSE_OVER | SynthConstants.ENABLED; |
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143 if (focused) { |
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144 selectedUIState |= SynthConstants.FOCUSED; |
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145 } |
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146 } |
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147 else { |
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148 if (enabled) { |
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149 selectedUIState |= SynthConstants.ENABLED; |
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150 if (focused) { |
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151 selectedUIState |= SynthConstants.FOCUSED; |
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152 } |
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153 } |
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154 else { |
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155 selectedUIState |= SynthConstants.DISABLED; |
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156 } |
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157 } |
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158 |
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159 AppContext context = AppContext.getAppContext(); |
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160 |
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161 context.put(SELECTED_UI_KEY, uix); |
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162 context.put(SELECTED_UI_STATE_KEY, Integer.valueOf(selectedUIState)); |
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163 } |
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164 |
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165 static int getSelectedUIState() { |
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166 Integer result = (Integer) AppContext.getAppContext().get(SELECTED_UI_STATE_KEY); |
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167 |
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168 return result == null ? 0 : result.intValue(); |
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169 } |
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170 |
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171 /** |
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172 * Clears out the selected UI that was last set in setSelectedUI. |
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173 */ |
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174 static void resetSelectedUI() { |
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175 AppContext.getAppContext().remove(SELECTED_UI_KEY); |
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176 } |
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177 |
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178 |
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179 /** |
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180 * Sets the SynthStyleFactory that the UI classes provided by |
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181 * synth will use to obtain a SynthStyle. |
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182 * |
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183 * @param cache SynthStyleFactory the UIs should use. |
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184 */ |
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185 public static void setStyleFactory(SynthStyleFactory cache) { |
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186 // We assume the setter is called BEFORE the getter has been invoked |
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187 // for a particular AppContext. |
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188 synchronized(SynthLookAndFeel.class) { |
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189 AppContext context = AppContext.getAppContext(); |
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190 lastFactory = cache; |
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191 lastContext = context; |
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192 context.put(STYLE_FACTORY_KEY, cache); |
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193 } |
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194 } |
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195 |
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196 /** |
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197 * Returns the current SynthStyleFactory. |
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198 * |
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199 * @return SynthStyleFactory |
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200 */ |
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201 public static SynthStyleFactory getStyleFactory() { |
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202 synchronized(SynthLookAndFeel.class) { |
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203 AppContext context = AppContext.getAppContext(); |
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204 |
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205 if (lastContext == context) { |
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206 return lastFactory; |
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207 } |
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208 lastContext = context; |
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209 lastFactory = (SynthStyleFactory) context.get(STYLE_FACTORY_KEY); |
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210 return lastFactory; |
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211 } |
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212 } |
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213 |
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214 /** |
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215 * Returns the component state for the specified component. This should |
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216 * only be used for Components that don't have any special state beyond |
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217 * that of ENABLED, DISABLED or FOCUSED. For example, buttons shouldn't |
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218 * call into this method. |
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219 */ |
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220 static int getComponentState(Component c) { |
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221 if (c.isEnabled()) { |
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222 if (c.isFocusOwner()) { |
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223 return SynthUI.ENABLED | SynthUI.FOCUSED; |
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224 } |
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225 return SynthUI.ENABLED; |
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226 } |
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227 return SynthUI.DISABLED; |
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228 } |
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229 |
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230 /** |
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231 * Gets a SynthStyle for the specified region of the specified component. |
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232 * This is not for general consumption, only custom UIs should call this |
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233 * method. |
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234 * |
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235 * @param c JComponent to get the SynthStyle for |
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236 * @param region Identifies the region of the specified component |
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237 * @return SynthStyle to use. |
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238 */ |
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239 public static SynthStyle getStyle(JComponent c, Region region) { |
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240 return getStyleFactory().getStyle(c, region); |
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241 } |
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242 |
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243 /** |
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244 * Returns true if the Style should be updated in response to the |
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245 * specified PropertyChangeEvent. This forwards to |
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246 * <code>shouldUpdateStyleOnAncestorChanged</code> as necessary. |
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247 */ |
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248 static boolean shouldUpdateStyle(PropertyChangeEvent event) { |
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249 LookAndFeel laf = UIManager.getLookAndFeel(); |
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250 return (laf instanceof SynthLookAndFeel && |
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251 ((SynthLookAndFeel) laf).shouldUpdateStyleOnEvent(event)); |
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252 } |
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253 |
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254 /** |
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255 * A convience method that will reset the Style of StyleContext if |
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256 * necessary. |
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257 * |
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258 * @return newStyle |
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259 */ |
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260 static SynthStyle updateStyle(SynthContext context, SynthUI ui) { |
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261 SynthStyle newStyle = getStyle(context.getComponent(), |
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262 context.getRegion()); |
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263 SynthStyle oldStyle = context.getStyle(); |
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264 |
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265 if (newStyle != oldStyle) { |
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266 if (oldStyle != null) { |
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267 oldStyle.uninstallDefaults(context); |
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268 } |
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269 context.setStyle(newStyle); |
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270 newStyle.installDefaults(context, ui); |
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271 } |
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272 return newStyle; |
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273 } |
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274 |
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275 /** |
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276 * Updates the style associated with <code>c</code>, and all its children. |
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277 * This is a lighter version of |
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278 * <code>SwingUtilities.updateComponentTreeUI</code>. |
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279 * |
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280 * @param c Component to update style for. |
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281 */ |
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282 public static void updateStyles(Component c) { |
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283 if (c instanceof JComponent) { |
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284 // Yes, this is hacky. A better solution is to get the UI |
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285 // and cast, but JComponent doesn't expose a getter for the UI |
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286 // (each of the UIs do), making that approach impractical. |
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287 String name = c.getName(); |
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288 c.setName(null); |
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289 if (name != null) { |
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290 c.setName(name); |
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291 } |
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292 ((JComponent)c).revalidate(); |
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293 } |
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294 Component[] children = null; |
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295 if (c instanceof JMenu) { |
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296 children = ((JMenu)c).getMenuComponents(); |
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297 } |
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298 else if (c instanceof Container) { |
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299 children = ((Container)c).getComponents(); |
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300 } |
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301 if (children != null) { |
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302 for (Component child : children) { |
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303 updateStyles(child); |
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304 } |
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305 } |
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306 c.repaint(); |
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307 } |
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308 |
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309 /** |
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310 * Returns the Region for the JComponent <code>c</code>. |
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311 * |
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312 * @param c JComponent to fetch the Region for |
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313 * @return Region corresponding to <code>c</code> |
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314 */ |
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315 public static Region getRegion(JComponent c) { |
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316 return Region.getRegion(c); |
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317 } |
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318 |
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319 /** |
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320 * A convenience method to return where the foreground should be |
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321 * painted for the Component identified by the passed in |
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322 * AbstractSynthContext. |
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323 */ |
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324 static Insets getPaintingInsets(SynthContext state, Insets insets) { |
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325 if (state.isSubregion()) { |
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326 insets = state.getStyle().getInsets(state, insets); |
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327 } |
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328 else { |
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329 insets = state.getComponent().getInsets(insets); |
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330 } |
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331 return insets; |
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332 } |
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333 |
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334 /** |
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335 * A convenience method that handles painting of the background. |
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336 * All SynthUI implementations should override update and invoke |
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337 * this method. |
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338 */ |
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339 static void update(SynthContext state, Graphics g) { |
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340 paintRegion(state, g, null); |
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341 } |
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342 |
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343 /** |
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344 * A convenience method that handles painting of the background for |
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345 * subregions. All SynthUI's that have subregions should invoke |
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346 * this method, than paint the foreground. |
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347 */ |
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348 static void updateSubregion(SynthContext state, Graphics g, |
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349 Rectangle bounds) { |
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350 paintRegion(state, g, bounds); |
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351 } |
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352 |
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353 private static void paintRegion(SynthContext state, Graphics g, |
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354 Rectangle bounds) { |
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355 JComponent c = state.getComponent(); |
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356 SynthStyle style = state.getStyle(); |
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357 int x, y, width, height; |
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358 |
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359 if (bounds == null) { |
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360 x = 0; |
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361 y = 0; |
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362 width = c.getWidth(); |
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363 height = c.getHeight(); |
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364 } |
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365 else { |
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366 x = bounds.x; |
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367 y = bounds.y; |
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368 width = bounds.width; |
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369 height = bounds.height; |
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370 } |
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371 |
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372 // Fill in the background, if necessary. |
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373 boolean subregion = state.isSubregion(); |
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374 if ((subregion && style.isOpaque(state)) || |
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375 (!subregion && c.isOpaque())) { |
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376 g.setColor(style.getColor(state, ColorType.BACKGROUND)); |
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377 g.fillRect(x, y, width, height); |
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378 } |
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379 } |
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380 |
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381 static boolean isLeftToRight(Component c) { |
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382 return c.getComponentOrientation().isLeftToRight(); |
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383 } |
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384 |
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385 /** |
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386 * Returns the ui that is of type <code>klass</code>, or null if |
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387 * one can not be found. |
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388 */ |
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389 static Object getUIOfType(ComponentUI ui, Class<?> klass) { |
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390 if (klass.isInstance(ui)) { |
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391 return ui; |
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392 } |
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393 return null; |
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394 } |
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395 |
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396 /** |
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397 * Creates the Synth look and feel <code>ComponentUI</code> for |
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398 * the passed in <code>JComponent</code>. |
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399 * |
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400 * @param c JComponent to create the <code>ComponentUI</code> for |
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401 * @return ComponentUI to use for <code>c</code> |
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402 */ |
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403 public static ComponentUI createUI(JComponent c) { |
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404 String key = c.getUIClassID().intern(); |
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405 |
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406 if (key == "ButtonUI") { |
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407 return SynthButtonUI.createUI(c); |
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408 } |
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409 else if (key == "CheckBoxUI") { |
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410 return SynthCheckBoxUI.createUI(c); |
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411 } |
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412 else if (key == "CheckBoxMenuItemUI") { |
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413 return SynthCheckBoxMenuItemUI.createUI(c); |
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414 } |
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415 else if (key == "ColorChooserUI") { |
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416 return SynthColorChooserUI.createUI(c); |
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417 } |
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418 else if (key == "ComboBoxUI") { |
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419 return SynthComboBoxUI.createUI(c); |
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420 } |
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421 else if (key == "DesktopPaneUI") { |
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422 return SynthDesktopPaneUI.createUI(c); |
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423 } |
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424 else if (key == "DesktopIconUI") { |
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425 return SynthDesktopIconUI.createUI(c); |
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426 } |
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427 else if (key == "EditorPaneUI") { |
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428 return SynthEditorPaneUI.createUI(c); |
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429 } |
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430 else if (key == "FileChooserUI") { |
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431 return SynthFileChooserUI.createUI(c); |
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432 } |
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433 else if (key == "FormattedTextFieldUI") { |
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434 return SynthFormattedTextFieldUI.createUI(c); |
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435 } |
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436 else if (key == "InternalFrameUI") { |
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437 return SynthInternalFrameUI.createUI(c); |
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438 } |
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439 else if (key == "LabelUI") { |
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440 return SynthLabelUI.createUI(c); |
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441 } |
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442 else if (key == "ListUI") { |
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443 return SynthListUI.createUI(c); |
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444 } |
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445 else if (key == "MenuBarUI") { |
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446 return SynthMenuBarUI.createUI(c); |
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447 } |
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448 else if (key == "MenuUI") { |
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449 return SynthMenuUI.createUI(c); |
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450 } |
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451 else if (key == "MenuItemUI") { |
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452 return SynthMenuItemUI.createUI(c); |
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453 } |
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454 else if (key == "OptionPaneUI") { |
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455 return SynthOptionPaneUI.createUI(c); |
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456 } |
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457 else if (key == "PanelUI") { |
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458 return SynthPanelUI.createUI(c); |
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459 } |
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460 else if (key == "PasswordFieldUI") { |
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461 return SynthPasswordFieldUI.createUI(c); |
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462 } |
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463 else if (key == "PopupMenuSeparatorUI") { |
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464 return SynthSeparatorUI.createUI(c); |
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465 } |
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466 else if (key == "PopupMenuUI") { |
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467 return SynthPopupMenuUI.createUI(c); |
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468 } |
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469 else if (key == "ProgressBarUI") { |
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470 return SynthProgressBarUI.createUI(c); |
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471 } |
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472 else if (key == "RadioButtonUI") { |
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473 return SynthRadioButtonUI.createUI(c); |
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474 } |
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475 else if (key == "RadioButtonMenuItemUI") { |
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476 return SynthRadioButtonMenuItemUI.createUI(c); |
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477 } |
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478 else if (key == "RootPaneUI") { |
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479 return SynthRootPaneUI.createUI(c); |
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480 } |
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481 else if (key == "ScrollBarUI") { |
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482 return SynthScrollBarUI.createUI(c); |
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483 } |
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484 else if (key == "ScrollPaneUI") { |
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485 return SynthScrollPaneUI.createUI(c); |
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486 } |
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487 else if (key == "SeparatorUI") { |
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488 return SynthSeparatorUI.createUI(c); |
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489 } |
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490 else if (key == "SliderUI") { |
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491 return SynthSliderUI.createUI(c); |
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492 } |
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493 else if (key == "SpinnerUI") { |
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494 return SynthSpinnerUI.createUI(c); |
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495 } |
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496 else if (key == "SplitPaneUI") { |
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497 return SynthSplitPaneUI.createUI(c); |
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498 } |
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499 else if (key == "TabbedPaneUI") { |
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500 return SynthTabbedPaneUI.createUI(c); |
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501 } |
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502 else if (key == "TableUI") { |
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503 return SynthTableUI.createUI(c); |
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504 } |
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505 else if (key == "TableHeaderUI") { |
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506 return SynthTableHeaderUI.createUI(c); |
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507 } |
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508 else if (key == "TextAreaUI") { |
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509 return SynthTextAreaUI.createUI(c); |
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510 } |
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511 else if (key == "TextFieldUI") { |
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512 return SynthTextFieldUI.createUI(c); |
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513 } |
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514 else if (key == "TextPaneUI") { |
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515 return SynthTextPaneUI.createUI(c); |
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516 } |
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517 else if (key == "ToggleButtonUI") { |
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518 return SynthToggleButtonUI.createUI(c); |
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519 } |
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520 else if (key == "ToolBarSeparatorUI") { |
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521 return SynthSeparatorUI.createUI(c); |
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522 } |
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523 else if (key == "ToolBarUI") { |
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524 return SynthToolBarUI.createUI(c); |
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525 } |
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526 else if (key == "ToolTipUI") { |
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527 return SynthToolTipUI.createUI(c); |
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528 } |
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529 else if (key == "TreeUI") { |
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530 return SynthTreeUI.createUI(c); |
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531 } |
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532 else if (key == "ViewportUI") { |
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533 return SynthViewportUI.createUI(c); |
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534 } |
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535 return null; |
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536 } |
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537 |
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538 |
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539 /** |
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540 * Creates a SynthLookAndFeel. |
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541 * <p> |
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542 * For the returned <code>SynthLookAndFeel</code> to be useful you need to |
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543 * invoke <code>load</code> to specify the set of |
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544 * <code>SynthStyle</code>s, or invoke <code>setStyleFactory</code>. |
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545 * |
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546 * @see #load |
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547 * @see #setStyleFactory |
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548 */ |
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549 public SynthLookAndFeel() { |
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550 factory = new DefaultSynthStyleFactory(); |
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551 _handler = new Handler(); |
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552 } |
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553 |
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554 /** |
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555 * Loads the set of <code>SynthStyle</code>s that will be used by |
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556 * this <code>SynthLookAndFeel</code>. <code>resourceBase</code> is |
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557 * used to resolve any path based resources, for example an |
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558 * <code>Image</code> would be resolved by |
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559 * <code>resourceBase.getResource(path)</code>. Refer to |
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560 * <a href="doc-files/synthFileFormat.html">Synth File Format</a> |
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561 * for more information. |
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562 * |
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563 * @param input InputStream to load from |
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564 * @param resourceBase used to resolve any images or other resources |
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565 * @throws ParseException if there is an error in parsing |
|
566 * @throws IllegalArgumentException if input or resourceBase is <code>null</code> |
|
567 */ |
|
568 public void load(InputStream input, Class<?> resourceBase) throws |
|
569 ParseException { |
|
570 if (resourceBase == null) { |
|
571 throw new IllegalArgumentException( |
|
572 "You must supply a valid resource base Class"); |
|
573 } |
|
574 |
|
575 if (defaultsMap == null) { |
|
576 defaultsMap = new HashMap<String, Object>(); |
|
577 } |
|
578 |
|
579 new SynthParser().parse(input, (DefaultSynthStyleFactory) factory, |
|
580 null, resourceBase, defaultsMap); |
|
581 } |
|
582 |
|
583 /** |
|
584 * Loads the set of <code>SynthStyle</code>s that will be used by |
|
585 * this <code>SynthLookAndFeel</code>. Path based resources are resolved |
|
586 * relatively to the specified <code>URL</code> of the style. For example |
|
587 * an <code>Image</code> would be resolved by |
|
588 * <code>new URL(synthFile, path)</code>. Refer to |
|
589 * <a href="doc-files/synthFileFormat.html">Synth File Format</a> for more |
|
590 * information. |
|
591 * |
|
592 * @param url the <code>URL</code> to load the set of |
|
593 * <code>SynthStyle</code> from |
|
594 * @throws ParseException if there is an error in parsing |
|
595 * @throws IllegalArgumentException if synthSet is <code>null</code> |
|
596 * @throws IOException if synthSet cannot be opened as an <code>InputStream</code> |
|
597 * @since 1.6 |
|
598 */ |
|
599 public void load(URL url) throws ParseException, IOException { |
|
600 if (url == null) { |
|
601 throw new IllegalArgumentException( |
|
602 "You must supply a valid Synth set URL"); |
|
603 } |
|
604 |
|
605 if (defaultsMap == null) { |
|
606 defaultsMap = new HashMap<String, Object>(); |
|
607 } |
|
608 |
|
609 InputStream input = url.openStream(); |
|
610 new SynthParser().parse(input, (DefaultSynthStyleFactory) factory, |
|
611 url, null, defaultsMap); |
|
612 } |
|
613 |
|
614 /** |
|
615 * Called by UIManager when this look and feel is installed. |
|
616 */ |
|
617 @Override |
|
618 public void initialize() { |
|
619 super.initialize(); |
|
620 DefaultLookup.setDefaultLookup(new SynthDefaultLookup()); |
|
621 setStyleFactory(factory); |
|
622 KeyboardFocusManager.getCurrentKeyboardFocusManager(). |
|
623 addPropertyChangeListener(_handler); |
|
624 } |
|
625 |
|
626 /** |
|
627 * Called by UIManager when this look and feel is uninstalled. |
|
628 */ |
|
629 @Override |
|
630 public void uninitialize() { |
|
631 KeyboardFocusManager.getCurrentKeyboardFocusManager(). |
|
632 removePropertyChangeListener(_handler); |
|
633 // We should uninstall the StyleFactory here, but unfortunately |
|
634 // there are a handful of things that retain references to the |
|
635 // LookAndFeel and expect things to work |
|
636 super.uninitialize(); |
|
637 } |
|
638 |
|
639 /** |
|
640 * Returns the defaults for this SynthLookAndFeel. |
|
641 * |
|
642 * @return Defaults table. |
|
643 */ |
|
644 @Override |
|
645 public UIDefaults getDefaults() { |
|
646 UIDefaults table = new UIDefaults(60, 0.75f); |
|
647 |
|
648 Region.registerUIs(table); |
|
649 table.setDefaultLocale(Locale.getDefault()); |
|
650 SwingAccessor.getUIDefaultsAccessor() |
|
651 .addInternalBundle(table, |
|
652 "com.sun.swing.internal.plaf.basic.resources.basic"); |
|
653 SwingAccessor.getUIDefaultsAccessor() |
|
654 .addInternalBundle(table, |
|
655 "com.sun.swing.internal.plaf.synth.resources.synth"); |
|
656 |
|
657 // SynthTabbedPaneUI supports rollover on tabs, GTK does not |
|
658 table.put("TabbedPane.isTabRollover", Boolean.TRUE); |
|
659 |
|
660 // These need to be defined for JColorChooser to work. |
|
661 table.put("ColorChooser.swatchesRecentSwatchSize", |
|
662 new Dimension(10, 10)); |
|
663 table.put("ColorChooser.swatchesDefaultRecentColor", Color.RED); |
|
664 table.put("ColorChooser.swatchesSwatchSize", new Dimension(10, 10)); |
|
665 |
|
666 // These need to be defined for ImageView. |
|
667 table.put("html.pendingImage", SwingUtilities2.makeIcon(getClass(), |
|
668 BasicLookAndFeel.class, |
|
669 "icons/image-delayed.png")); |
|
670 table.put("html.missingImage", SwingUtilities2.makeIcon(getClass(), |
|
671 BasicLookAndFeel.class, |
|
672 "icons/image-failed.png")); |
|
673 |
|
674 // These are needed for PopupMenu. |
|
675 table.put("PopupMenu.selectedWindowInputMapBindings", new Object[] { |
|
676 "ESCAPE", "cancel", |
|
677 "DOWN", "selectNext", |
|
678 "KP_DOWN", "selectNext", |
|
679 "UP", "selectPrevious", |
|
680 "KP_UP", "selectPrevious", |
|
681 "LEFT", "selectParent", |
|
682 "KP_LEFT", "selectParent", |
|
683 "RIGHT", "selectChild", |
|
684 "KP_RIGHT", "selectChild", |
|
685 "ENTER", "return", |
|
686 "ctrl ENTER", "return", |
|
687 "SPACE", "return" |
|
688 }); |
|
689 table.put("PopupMenu.selectedWindowInputMapBindings.RightToLeft", |
|
690 new Object[] { |
|
691 "LEFT", "selectChild", |
|
692 "KP_LEFT", "selectChild", |
|
693 "RIGHT", "selectParent", |
|
694 "KP_RIGHT", "selectParent", |
|
695 }); |
|
696 |
|
697 // enabled antialiasing depending on desktop settings |
|
698 flushUnreferenced(); |
|
699 SwingUtilities2.putAATextInfo(useLAFConditions(), table); |
|
700 new AATextListener(this); |
|
701 |
|
702 if (defaultsMap != null) { |
|
703 table.putAll(defaultsMap); |
|
704 } |
|
705 return table; |
|
706 } |
|
707 |
|
708 /** |
|
709 * Returns true, SynthLookAndFeel is always supported. |
|
710 * |
|
711 * @return true. |
|
712 */ |
|
713 @Override |
|
714 public boolean isSupportedLookAndFeel() { |
|
715 return true; |
|
716 } |
|
717 |
|
718 /** |
|
719 * Returns false, SynthLookAndFeel is not a native look and feel. |
|
720 * |
|
721 * @return false |
|
722 */ |
|
723 @Override |
|
724 public boolean isNativeLookAndFeel() { |
|
725 return false; |
|
726 } |
|
727 |
|
728 /** |
|
729 * Returns a textual description of SynthLookAndFeel. |
|
730 * |
|
731 * @return textual description of synth. |
|
732 */ |
|
733 @Override |
|
734 public String getDescription() { |
|
735 return "Synth look and feel"; |
|
736 } |
|
737 |
|
738 /** |
|
739 * Return a short string that identifies this look and feel. |
|
740 * |
|
741 * @return a short string identifying this look and feel. |
|
742 */ |
|
743 @Override |
|
744 public String getName() { |
|
745 return "Synth look and feel"; |
|
746 } |
|
747 |
|
748 /** |
|
749 * Return a string that identifies this look and feel. |
|
750 * |
|
751 * @return a short string identifying this look and feel. |
|
752 */ |
|
753 @Override |
|
754 public String getID() { |
|
755 return "Synth"; |
|
756 } |
|
757 |
|
758 /** |
|
759 * Returns whether or not the UIs should update their |
|
760 * <code>SynthStyles</code> from the <code>SynthStyleFactory</code> |
|
761 * when the ancestor of the <code>JComponent</code> changes. A subclass |
|
762 * that provided a <code>SynthStyleFactory</code> that based the |
|
763 * return value from <code>getStyle</code> off the containment hierarchy |
|
764 * would override this method to return true. |
|
765 * |
|
766 * @return whether or not the UIs should update their |
|
767 * <code>SynthStyles</code> from the <code>SynthStyleFactory</code> |
|
768 * when the ancestor changed. |
|
769 */ |
|
770 public boolean shouldUpdateStyleOnAncestorChanged() { |
|
771 return false; |
|
772 } |
|
773 |
|
774 /** |
|
775 * Returns whether or not the UIs should update their styles when a |
|
776 * particular event occurs. |
|
777 * |
|
778 * @param ev a {@code PropertyChangeEvent} |
|
779 * @return whether or not the UIs should update their styles |
|
780 * @since 1.7 |
|
781 */ |
|
782 protected boolean shouldUpdateStyleOnEvent(PropertyChangeEvent ev) { |
|
783 String eName = ev.getPropertyName(); |
|
784 if ("name" == eName || "componentOrientation" == eName) { |
|
785 return true; |
|
786 } |
|
787 if ("ancestor" == eName && ev.getNewValue() != null) { |
|
788 // Only update on an ancestor change when getting a valid |
|
789 // parent and the LookAndFeel wants this. |
|
790 return shouldUpdateStyleOnAncestorChanged(); |
|
791 } |
|
792 return false; |
|
793 } |
|
794 |
|
795 /** |
|
796 * Returns the antialiasing information as specified by the host desktop. |
|
797 * Antialiasing might be forced off if the desktop is GNOME and the user |
|
798 * has set his locale to Chinese, Japanese or Korean. This is consistent |
|
799 * with what GTK does. See com.sun.java.swing.plaf.gtk.GtkLookAndFeel |
|
800 * for more information about CJK and antialiased fonts. |
|
801 * |
|
802 * @return the text antialiasing information associated to the desktop |
|
803 */ |
|
804 private static boolean useLAFConditions() { |
|
805 String language = Locale.getDefault().getLanguage(); |
|
806 String desktop = |
|
807 AccessController.doPrivileged(new GetPropertyAction("sun.desktop")); |
|
808 |
|
809 boolean isCjkLocale = (Locale.CHINESE.getLanguage().equals(language) || |
|
810 Locale.JAPANESE.getLanguage().equals(language) || |
|
811 Locale.KOREAN.getLanguage().equals(language)); |
|
812 boolean isGnome = "gnome".equals(desktop); |
|
813 boolean isLocal = SwingUtilities2.isLocalDisplay(); |
|
814 |
|
815 return isLocal && (!isGnome || !isCjkLocale); |
|
816 } |
|
817 |
|
818 private static ReferenceQueue<LookAndFeel> queue = new ReferenceQueue<LookAndFeel>(); |
|
819 |
|
820 private static void flushUnreferenced() { |
|
821 AATextListener aatl; |
|
822 while ((aatl = (AATextListener) queue.poll()) != null) { |
|
823 aatl.dispose(); |
|
824 } |
|
825 } |
|
826 |
|
827 private static class AATextListener |
|
828 extends WeakReference<LookAndFeel> implements PropertyChangeListener { |
|
829 private String key = SunToolkit.DESKTOPFONTHINTS; |
|
830 |
|
831 AATextListener(LookAndFeel laf) { |
|
832 super(laf, queue); |
|
833 Toolkit tk = Toolkit.getDefaultToolkit(); |
|
834 tk.addPropertyChangeListener(key, this); |
|
835 } |
|
836 |
|
837 @Override |
|
838 public void propertyChange(PropertyChangeEvent pce) { |
|
839 UIDefaults defaults = UIManager.getLookAndFeelDefaults(); |
|
840 if (defaults.getBoolean("Synth.doNotSetTextAA")) { |
|
841 dispose(); |
|
842 return; |
|
843 } |
|
844 |
|
845 LookAndFeel laf = get(); |
|
846 if (laf == null || laf != UIManager.getLookAndFeel()) { |
|
847 dispose(); |
|
848 return; |
|
849 } |
|
850 |
|
851 SwingUtilities2.putAATextInfo(useLAFConditions(), defaults); |
|
852 |
|
853 updateUI(); |
|
854 } |
|
855 |
|
856 void dispose() { |
|
857 Toolkit tk = Toolkit.getDefaultToolkit(); |
|
858 tk.removePropertyChangeListener(key, this); |
|
859 } |
|
860 |
|
861 /** |
|
862 * Updates the UI of the passed in window and all its children. |
|
863 */ |
|
864 private static void updateWindowUI(Window window) { |
|
865 updateStyles(window); |
|
866 Window ownedWins[] = window.getOwnedWindows(); |
|
867 for (Window w : ownedWins) { |
|
868 updateWindowUI(w); |
|
869 } |
|
870 } |
|
871 |
|
872 /** |
|
873 * Updates the UIs of all the known Frames. |
|
874 */ |
|
875 private static void updateAllUIs() { |
|
876 Frame appFrames[] = Frame.getFrames(); |
|
877 for (Frame frame : appFrames) { |
|
878 updateWindowUI(frame); |
|
879 } |
|
880 } |
|
881 |
|
882 /** |
|
883 * Indicates if an updateUI call is pending. |
|
884 */ |
|
885 private static boolean updatePending; |
|
886 |
|
887 /** |
|
888 * Sets whether or not an updateUI call is pending. |
|
889 */ |
|
890 private static synchronized void setUpdatePending(boolean update) { |
|
891 updatePending = update; |
|
892 } |
|
893 |
|
894 /** |
|
895 * Returns true if a UI update is pending. |
|
896 */ |
|
897 private static synchronized boolean isUpdatePending() { |
|
898 return updatePending; |
|
899 } |
|
900 |
|
901 protected void updateUI() { |
|
902 if (!isUpdatePending()) { |
|
903 setUpdatePending(true); |
|
904 Runnable uiUpdater = new Runnable() { |
|
905 @Override |
|
906 public void run() { |
|
907 updateAllUIs(); |
|
908 setUpdatePending(false); |
|
909 } |
|
910 }; |
|
911 SwingUtilities.invokeLater(uiUpdater); |
|
912 } |
|
913 } |
|
914 } |
|
915 |
|
916 private void writeObject(java.io.ObjectOutputStream out) |
|
917 throws IOException { |
|
918 throw new NotSerializableException(this.getClass().getName()); |
|
919 } |
|
920 |
|
921 private class Handler implements PropertyChangeListener { |
|
922 @Override |
|
923 public void propertyChange(PropertyChangeEvent evt) { |
|
924 String propertyName = evt.getPropertyName(); |
|
925 Object newValue = evt.getNewValue(); |
|
926 Object oldValue = evt.getOldValue(); |
|
927 |
|
928 if ("focusOwner" == propertyName) { |
|
929 if (oldValue instanceof JComponent) { |
|
930 repaintIfBackgroundsDiffer((JComponent)oldValue); |
|
931 |
|
932 } |
|
933 |
|
934 if (newValue instanceof JComponent) { |
|
935 repaintIfBackgroundsDiffer((JComponent)newValue); |
|
936 } |
|
937 } |
|
938 else if ("managingFocus" == propertyName) { |
|
939 // De-register listener on old keyboard focus manager and |
|
940 // register it on the new one. |
|
941 KeyboardFocusManager manager = |
|
942 (KeyboardFocusManager)evt.getSource(); |
|
943 if (newValue.equals(Boolean.FALSE)) { |
|
944 manager.removePropertyChangeListener(_handler); |
|
945 } |
|
946 else { |
|
947 manager.addPropertyChangeListener(_handler); |
|
948 } |
|
949 } |
|
950 } |
|
951 |
|
952 /** |
|
953 * This is a support method that will check if the background colors of |
|
954 * the specified component differ between focused and unfocused states. |
|
955 * If the color differ the component will then repaint itself. |
|
956 * |
|
957 * @comp the component to check |
|
958 */ |
|
959 private void repaintIfBackgroundsDiffer(JComponent comp) { |
|
960 ComponentUI ui = comp.getUI(); |
|
961 if (ui instanceof SynthUI) { |
|
962 SynthUI synthUI = (SynthUI)ui; |
|
963 SynthContext context = synthUI.getContext(comp); |
|
964 SynthStyle style = context.getStyle(); |
|
965 int state = context.getComponentState(); |
|
966 |
|
967 // Get the current background color. |
|
968 Color currBG = style.getColor(context, ColorType.BACKGROUND); |
|
969 |
|
970 // Get the last background color. |
|
971 state ^= SynthConstants.FOCUSED; |
|
972 context.setComponentState(state); |
|
973 Color lastBG = style.getColor(context, ColorType.BACKGROUND); |
|
974 |
|
975 // Reset the component state back to original. |
|
976 state ^= SynthConstants.FOCUSED; |
|
977 context.setComponentState(state); |
|
978 |
|
979 // Repaint the component if the backgrounds differed. |
|
980 if (currBG != null && !currBG.equals(lastBG)) { |
|
981 comp.repaint(); |
|
982 } |
|
983 } |
|
984 } |
|
985 } |
|
986 } |