1 /*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.glass.ui.monocle.x11;
27
28 import com.sun.glass.ui.Pixels;
29 import com.sun.glass.ui.monocle.NativeScreen;
30
31 import java.nio.Buffer;
32 import java.nio.IntBuffer;
33 import java.security.AccessController;
34 import java.security.PrivilegedAction;
35
36 public class X11Screen extends NativeScreen {
37
38 private int depth;
39 private int nativeFormat;
40 private int width;
41 private int height;
42 private long nativeHandle;
43 private long display;
44
45 public X11Screen(boolean showCursor) {
46 display = X.XOpenDisplay(null);
47 if (display == 0l) {
48 throw new NullPointerException("Cannot open X11 display");
49 }
50 long screen = X.DefaultScreenOfDisplay(display);
51 X.XSetWindowAttributes attrs = new X.XSetWindowAttributes();
52 attrs.setEventMask(attrs.p,
53 X.ButtonPressMask | X.ButtonReleaseMask
54 | X.PointerMotionMask);
55 long cwMask = X.CWEventMask;
56 if (!showCursor) {
57 cwMask |= X.CWCursorMask;
58 attrs.setCursor(attrs.p, X.None);
59 }
60 int x = 0;
61 int y = 0;
62 int w = X.WidthOfScreen(screen);
63 int h = X.HeightOfScreen(screen);
64 String geometry = AccessController.doPrivileged(new PrivilegedAction<String>() {
65 @Override
66 public String run() {
67 return System.getProperty("x11.geometry");
68 }
69 });
70 if (geometry != null) {
71 try {
72 String size;
73 if (geometry.contains(",")) {
74 // use the first two numbers for x and y
75 String location;
76 int i = geometry.indexOf("+");
77 if (i >= 0) {
78 location = geometry.substring(0, i);
79 size = geometry.substring(i + 1);
80 } else {
81 location = geometry;
82 size = "";
83 }
84 i = location.indexOf(",");
85 x = Integer.parseInt(location.substring(0, i));
86 y = Integer.parseInt(location.substring(i + 1));
87 } else {
88 size = geometry;
89 }
90 if (size.length() > 0) {
91 int i = size.indexOf("x");
92 w = Integer.parseInt(size.substring(0, i));
93 h = Integer.parseInt(size.substring(i + 1));
94 }
95 } catch (NumberFormatException e) {
96 System.err.println("Cannot parse geometry string: '"
97 + geometry + "'");
98 }
99 }
100 long window = X.XCreateWindow(
101 display,
102 X.RootWindowOfScreen(screen),
103 x, y, w, h,
104 0, // border width
105 X.CopyFromParent, // depth
106 X.InputOutput, // class
107 X.CopyFromParent, // visual
108 cwMask,
109 attrs.p);
110 X.XMapWindow(display, window);
111 X.XStoreName(display, window, "JavaFX EGL/framebuffer container");
112 X.XSync(display, false);
113 int[] widthA = new int[1];
114 int[] heightA = new int[1];
115 int[] depthA = new int[1];
116 X.XGetGeometry(display, window, null, null, null, widthA, heightA, null, depthA);
117 width = widthA[0];
118 height = heightA[0];
119 depth = depthA[0];
120 nativeFormat = Pixels.Format.BYTE_BGRA_PRE;
121 nativeHandle = window;
122 }
123
124 @Override
125 public int getDepth() {
126 return depth;
127 }
128
129 @Override
130 public int getNativeFormat() {
131 return nativeFormat;
132 }
133
134 @Override
135 public int getWidth() {
136 return width;
137 }
138
139 @Override
140 public int getHeight() {
141 return height;
142 }
143
144 @Override
145 public long getNativeHandle() {
146 return nativeHandle;
147 }
148
149 @Override
150 public int getDPI() {
151 return 96;
152 }
153
154 @Override
155 public void shutdown() {
156 }
157
158 long getDisplay() {
159 return display;
160 }
161
162 @Override
163 public void uploadPixels(Buffer b,
164 int x, int y, int width, int height,
165 float alpha) {
166 // TODO: upload pixels to X11 window
167 }
168
169 @Override
170 public void swapBuffers() {
171 }
172
173 @Override
174 public IntBuffer getScreenCapture() {
175 return null;
176 }
177 }