1 /*
2 * Copyright (c) 2010, 2014, 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 import com.sun.glass.ui.monocle.AcceleratedScreen;
31
32 import java.nio.Buffer;
33 import java.nio.IntBuffer;
34 import java.security.AccessController;
35 import java.security.PrivilegedAction;
36
37 public class X11Screen implements NativeScreen {
38
39 private int depth;
40 private int nativeFormat;
41 private int width;
42 private int height;
43 private long nativeHandle;
44 private long display;
45
46 public X11Screen(boolean showCursor) {
47 display = X.XOpenDisplay(null);
48 if (display == 0l) {
49 throw new NullPointerException("Cannot open X11 display");
50 }
51 long screen = X.DefaultScreenOfDisplay(display);
52 X.XSetWindowAttributes attrs = new X.XSetWindowAttributes();
53 attrs.setEventMask(attrs.p,
54 X.ButtonPressMask | X.ButtonReleaseMask
55 | X.PointerMotionMask);
56 long cwMask = X.CWEventMask;
57 if (!showCursor) {
58 cwMask |= X.CWCursorMask;
59 attrs.setCursor(attrs.p, X.None);
60 }
61 int x = 0;
62 int y = 0;
63 int w = X.WidthOfScreen(screen);
64 int h = X.HeightOfScreen(screen);
65 String geometry = AccessController.doPrivileged((PrivilegedAction<String>) () -> System.getProperty("x11.geometry"));
66 if (geometry != null) {
67 try {
68 String size;
69 if (geometry.contains(",")) {
70 // use the first two numbers for x and y
71 String location;
72 int i = geometry.indexOf("+");
73 if (i >= 0) {
74 location = geometry.substring(0, i);
75 size = geometry.substring(i + 1);
76 } else {
77 location = geometry;
78 size = "";
79 }
80 i = location.indexOf(",");
81 x = Integer.parseInt(location.substring(0, i));
82 y = Integer.parseInt(location.substring(i + 1));
83 } else {
84 size = geometry;
85 }
86 if (size.length() > 0) {
87 int i = size.indexOf("x");
88 w = Integer.parseInt(size.substring(0, i));
89 h = Integer.parseInt(size.substring(i + 1));
90 }
91 } catch (NumberFormatException e) {
92 System.err.println("Cannot parse geometry string: '"
93 + geometry + "'");
94 }
95 }
96 long window = X.XCreateWindow(
97 display,
98 X.RootWindowOfScreen(screen),
99 x, y, w, h,
100 0, // border width
101 X.CopyFromParent, // depth
102 X.InputOutput, // class
103 X.CopyFromParent, // visual
104 cwMask,
105 attrs.p);
106 X.XMapWindow(display, window);
107 X.XStoreName(display, window, "JavaFX framebuffer container");
108 X.XSync(display, false);
109 int[] widthA = new int[1];
110 int[] heightA = new int[1];
111 int[] depthA = new int[1];
112 X.XGetGeometry(display, window, null, null, null, widthA, heightA, null, depthA);
113 width = widthA[0];
114 height = heightA[0];
115 depth = depthA[0];
116 nativeFormat = Pixels.Format.BYTE_BGRA_PRE;
117 nativeHandle = window;
118 }
119
120 @Override
121 public int getDepth() {
122 return depth;
123 }
124
125 @Override
126 public int getNativeFormat() {
127 return nativeFormat;
128 }
129
130 @Override
131 public int getWidth() {
132 return width;
133 }
134
135 @Override
136 public int getHeight() {
137 return height;
138 }
139
140 @Override
141 public long getNativeHandle() {
142 return nativeHandle;
143 }
144
145 @Override
146 public int getDPI() {
147 return 96;
148 }
149
150 @Override
151 public void shutdown() {
152 }
153
154 long getDisplay() {
155 return display;
156 }
157
158 @Override
159 public void uploadPixels(Buffer b,
160 int x, int y, int width, int height,
161 float alpha) {
162 // TODO: upload pixels to X11 window
163 }
164
165 @Override
166 public void swapBuffers() {
167 }
168
169 @Override
170 public IntBuffer getScreenCapture() {
171 return null;
172 }
173 }