1 /* |
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2 * Copyright 1999-2001 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 #ifdef HEADLESS |
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26 #error This file should not be included in headless library |
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27 #endif |
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28 |
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29 #include "awt_p.h" |
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30 #include "awt_Component.h" |
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31 #include "sun_awt_motif_MComponentPeer.h" |
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32 |
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33 #include "jni.h" |
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34 #include "jni_util.h" |
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35 |
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36 static jfieldID xID; |
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37 static jfieldID yID; |
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38 |
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39 extern struct MComponentPeerIDs mComponentPeerIDs; |
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40 extern struct ComponentIDs componentIDs; |
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41 extern struct ContainerIDs containerIDs; |
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42 extern jobject getCurComponent(); |
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43 |
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44 /* |
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45 * Class: sun_awt_motif_MGlobalCursorManager |
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46 * Method: cacheInit |
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47 * Signature: ()V |
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48 */ |
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49 JNIEXPORT void JNICALL Java_sun_awt_motif_MGlobalCursorManager_cacheInit |
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50 (JNIEnv *env, jclass cls) |
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51 { |
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52 jclass clsDimension = (*env)->FindClass(env, "java/awt/Point"); |
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53 xID = (*env)->GetFieldID(env, clsDimension, "x", "I"); |
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54 yID = (*env)->GetFieldID(env, clsDimension, "y", "I"); |
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55 } |
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56 |
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57 /* |
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58 * Class: sun_awt_motif_MGlobalCursorManager |
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59 * Method: getCursorPos |
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60 * Signature: (Ljava/awt/Point;)Ljava/awt/Component |
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61 */ |
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62 JNIEXPORT void JNICALL Java_sun_awt_motif_MGlobalCursorManager_getCursorPos |
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63 (JNIEnv *env, jobject this, jobject point) |
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64 { |
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65 Window root, rw, cw; |
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66 int32_t rx, ry, x, y; |
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67 uint32_t kbs; |
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68 |
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69 AWT_LOCK(); |
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70 root = RootWindow(awt_display, DefaultScreen(awt_display)); |
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71 XQueryPointer(awt_display, root, &rw, &cw, &rx, &ry, &x, &y, &kbs); |
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72 |
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73 (*env)->SetIntField(env, point, xID, rx); |
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74 (*env)->SetIntField(env, point, yID, ry); |
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75 AWT_FLUSH_UNLOCK(); |
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76 } |
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77 |
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78 /* |
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79 * Class: sun_awt_motif_MGlobalCursorManager |
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80 * Method: getCursorPos |
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81 * Signature: ()Ljava/awt/Component |
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82 */ |
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83 JNIEXPORT jobject JNICALL Java_sun_awt_motif_MGlobalCursorManager_findHeavyweightUnderCursor |
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84 (JNIEnv *env, jobject this) |
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85 { |
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86 jobject target; |
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87 |
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88 AWT_LOCK(); |
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89 target = getCurComponent(); |
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90 AWT_FLUSH_UNLOCK(); |
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91 return target; |
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92 } |
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93 |
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94 /* |
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95 * Class: sun_awt_motif_MGlobalCursorManager |
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96 * Method: getLocationOnScreen |
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97 * Signature: (Ljava/awt/Component;)Ljava/awt/Point |
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98 */ |
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99 JNIEXPORT jobject JNICALL Java_sun_awt_motif_MGlobalCursorManager_getLocationOnScreen |
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100 (JNIEnv *env, jobject this, jobject component) |
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101 { |
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102 jobject point = |
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103 (*env)->CallObjectMethod(env, component, |
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104 componentIDs.getLocationOnScreen); |
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105 return point; |
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106 } |
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107 |
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108 /* |
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109 * Class: sun_awt_motif_MGlobalCursorManager |
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110 * Method: findComponentAt |
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111 * Signature: (Ljava/awt/Container;II)Ljava/awt/Component |
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112 */ |
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113 JNIEXPORT jobject JNICALL |
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114 Java_sun_awt_motif_MGlobalCursorManager_findComponentAt |
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115 (JNIEnv *env, jobject this, jobject container, jint x, jint y) |
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116 { |
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117 /* |
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118 * Call private version of Container.findComponentAt with the following |
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119 * flag set: ignoreEnabled = false (i.e., don't return or recurse into |
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120 * disabled Components). |
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121 * NOTE: it may return a JRootPane's glass pane as the target Component. |
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122 */ |
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123 jobject component = |
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124 (*env)->CallObjectMethod(env, container, containerIDs.findComponentAt, |
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125 x, y, JNI_FALSE); |
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126 return component; |
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127 } |
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