// Static Data /////////////////////////////////////////////////////////////////////////////////////
- /** set to true during the delivery of a KeyPressed:C-v/A-v or Press3; it is safe to use a 'global' here,
- * since message delivery is single-threaded and non-preemptable
+ /**
+ * set to true during the delivery of a KeyPressed:C-v/A-v or Press3; it is safe to use a
+ * 'global' here, since message delivery is single-threaded and non-preemptable
*/
static boolean clipboardReadEnabled = false;
/** The appropriate Platform object for this JVM */
static Platform platform = null;
+ /** true if proxy autodetection has already been run */
+ static boolean alreadyDetectedProxy = false;
+
+ /** the result of proxy autodetection */
+ static Proxy cachedProxyInfo = null;
+
+ /** the current build */
+ public static String build = "unknown";
// VM Detection Logic /////////////////////////////////////////////////////////////////////
// reflection.
static {
- System.out.println("Detecting JVM...");
+ System.err.println("Detecting JVM...");
try {
String vendor = System.getProperty("java.vendor", "");
String version = System.getProperty("java.version", "");
String os_name = System.getProperty("os.name", "");
+ String os_version = System.getProperty("os.version", "");
String platform_class = null;
- if (os_name.startsWith("Mac OS X")) platform_class = "MacOSX";
- else if (vendor.startsWith("Free Software Foundation")) platform_class = "Win32";
- else if (version.startsWith("1.1") && vendor.startsWith("Netscape")) platform_class = "Netscape";
+ //if (os_name.startsWith("Mac OS X")) platform_class = "MacOSX";
+ if (vendor.startsWith("Free Software Foundation")) {
+ if (os_name.startsWith("Window")) platform_class = "Win32";
+ else platform_class = "X11";
+ } else if (version.startsWith("1.1") && vendor.startsWith("Netscape")) platform_class = "Netscape";
else if (version.startsWith("1.1") && vendor.startsWith("Microsoft")) platform_class = "Microsoft";
else if (!version.startsWith("1.0") && !version.startsWith("1.1")) platform_class = "Java2";
+ // Disable 2d hardware acceleration on Jaguar
+ if (os_name.equals("Mac OS X") && os_version.equals("10.2"))
+ System.setProperty("com.apple.hwaccel", "false");
+
if (platform_class != null) {
platform = (Platform)Class.forName("org.xwt.plat." + platform_class).newInstance();
platform.init();
}
+
+ try {
+ build = (String)Class.forName("org.xwt.Build").getField("build").get(null);
+ } catch (ClassNotFoundException cnfe) {
+ } catch (Exception e) {
+ if (Log.on) Log.log(Platform.class, "exception while detecting build:");
+ if (Log.on) Log.log(Platform.class, e);
+ }
+ if (Log.on) Log.log(Platform.class, "XWT build: " + build);
+
if (Log.on) Log.log(Platform.class, "XWT VM detection: vendor = " + vendor);
if (Log.on) Log.log(Platform.class, " version = " + version);
- if (Log.on) Log.log(Platform.class, " os = " + os_name);
+ if (Log.on) Log.log(Platform.class, " os = " + os_name + " [version " + os_version + "]");
+ if (Log.on && Main.applet != null) Log.log(Platform.class, " browser = " + Main.applet.getParameter("browser"));
if (platform_class == null) {
if (Log.on) Log.log(Platform.class, "Unable to detect JVM");
- System.exit(-1);
+ new Platform().criticalAbort("Unable to detect JVM");
}
if (Log.on) Log.log(Platform.class, " platform = " + platform.getDescriptiveName());
if (Log.on) Log.log(Platform.class, " class = " + platform.getClass().getName());
+ platform.postInit();
} catch (Exception e) {
if (Log.on) Log.log(Platform.class, "Exception while trying to detect JVM");
if (Log.on) Log.log(Platform.class, e);
- System.exit(-1);
+ new Platform().criticalAbort("Unable to detect JVM");
}
}
/** this initializes the platform; code in here can invoke methods on Platform since Platform.platform has already been set */
protected void init() { }
+ protected void postInit() { }
/** creates and returns a doublebuffer 'belonging' to <tt>owner</tt>; we need to associate DoubleBuffers to surfaces
* due to AWT 1.1 requirements (definately for Navigator, possibly also for MSJVM).
protected Surface _createSurface(Box b, boolean framed) { return null; }
/** creates a socket object */
- protected Socket _getSocket(String host, int port, boolean ssl) throws IOException {
- return ssl ? new TinySSL(host, port) : new Socket(java.net.InetAddress.getByName(host), port);
+ protected Socket _getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException {
+ Socket ret = ssl ? new TinySSL(host, port, negotiate) : new Socket(java.net.InetAddress.getByName(host), port);
+ ret.setTcpNoDelay(true);
+ return ret;
}
/** creates and returns a picture */
protected Picture _createPicture(int[] b, int w, int h) { return null; }
/** should return true if it is safe to supress full-surface dirties immediately after a window resize */
- protected boolean _supressDirtyOnResize() { return true; }
+ protected boolean _supressDirtyOnResize() { return false; }
/** the human-readable name of the key mapped to XWT's 'alt' key */
protected String _altKeyName() { return "alt"; }
}
/** quits XWT */
- protected void _exit() { System.exit(0); }
+ protected void _exit() {
+ if (Main.applet == null) {
+ System.exit(0);
+ } else {
+ // just block ourselves forever
+ // FIXME
+ new Semaphore().block();
+ }
+ }
/** used to notify the user of very serious failures; usually used when logging is not working or unavailable */
- protected void _criticalAbort(String message) { System.exit(-1); }
+ protected void _criticalAbort(String message) { _exit(); }
/** used to notify the user of very serious failures; usually used when logging is not working or unavailable */
protected String _getDefaultFont() { return "sansserif10"; }
+ /** if true, org.xwt.Surface will generate a Click automatically after a press and a release */
protected boolean _needsAutoClick() { return false; }
+ /** if true, org.xwt.Surface will generate a DoubleClick automatically after recieving two clicks in a short period of time */
+ protected boolean _needsAutoDoubleClick() { return false; }
+
protected void _newBrowserWindow(String url) {
if (Log.on) Log.log(this, "Platform " + platform.getClass().getName() + " cannot open browser windows");
return;
}
+ /** Returns null if XWT should always use direct connection; otherwise returns a ProxyInfo object with proxy settings */
+ protected synchronized Proxy _detectProxy() { return null; }
+
+ /** displays a platform-specific "open file" dialog and returns the chosen filename, or null if the user hit cancel */
+ protected String _fileDialog(String suggestedFileName, boolean write) { return null; }
+
+ /** returns true iff the platform has a case-sensitive filesystem */
+ protected boolean _isCaseSensitive() { return true; }
+
+ /** returns the value of the environment variable key, or null if no such key exists */
+ protected String _getEnv(String key) {
+ try {
+ String os = System.getProperty("os.name").toLowerCase();
+ Process p;
+ if (os.indexOf("windows 9") != -1 || os.indexOf("windows me") != -1) {
+ // hack -- jdk1.2/1.3 on Win32 pop open an ugly DOS box; 1.4 does not
+ if (platform.getClass().getName().endsWith("Java12")) return null;
+ p = Runtime.getRuntime().exec("command.com /c set");
+ } else if (os.indexOf("windows") > -1) {
+ // hack -- jdk1.2/1.3 on Win32 pop open an ugly DOS box; 1.4 does not
+ if (platform.getClass().getName().endsWith("Java12")) return null;
+ p = Runtime.getRuntime().exec("cmd.exe /c set");
+ } else {
+ p = Runtime.getRuntime().exec("env");
+ }
+ BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
+ String s;
+ while ((s = br.readLine()) != null)
+ if (s.startsWith(key + "="))
+ return s.substring(key.length() + 1);
+ } catch (Exception e) {
+ if (Log.on) Log.log(this, "Exception while reading from environment:");
+ if (Log.on) Log.log(this, e);
+ }
+ return null;
+ }
+
// Static methods -- thunk to the instance /////////////////////////////////////////////////////////////////////////
/** if true, org.xwt.Surface should generate Click messages automatically when a Release happens after a Press and the mouse has not moved much */
public static boolean needsAutoClick() { return platform._needsAutoClick(); }
+ /** if true, org.xwt.Surface should generate DoubleClick messages automatically when needed */
+ public static boolean needsAutoDoubleClick() { return platform._needsAutoDoubleClick(); }
+
/** should return true if it is safe to supress full-surface dirties immediately after a window resize */
public static String getDefaultFont() { return platform._getDefaultFont(); }
/** returns the maximum ascent of all glyphs in a given platform-specific font */
public static int getMaxAscent(String font) { return platform._getMaxAscent(font); }
- /** returns the maximum descent of all glyphs in a given platform-specific font */
- public static int getMaxDescent(String font) { return platform._getMaxDescent(font); }
+ /** returns the maximum descent of all glyphs in a given platform-specific font. Three pixel minimum ensures space for underline. */
+ public static int getMaxDescent(String font) { return Math.max(3, platform._getMaxDescent(font)); }
/** returns the maximum number of threads that the XWT engine can create without adversely affecting the host OS */
public static int maxThreads() { return platform._maxThreads(); }
public static void setClipBoard(String s) { platform._setClipBoard(s); }
/** creates a socket object, with or without ssl encryption */
- public static Socket getSocket(String host, int port, boolean ssl) throws IOException { return platform._getSocket(host, port, ssl); }
+ public static Socket getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException {
+ return platform._getSocket(host, port, ssl, negotiate);
+ }
/** returns the width of the screen, in pixels */
public static int getScreenWidth() { return platform._getScreenWidth(); }
/** creates and returns a picture */
public static Picture createPicture(ImageDecoder i) { return platform._createPicture(i.getData(), i.getWidth(), i.getHeight()); }
- /** creates and returns a picture */
+ /** returns true iff the platform has a case-sensitive filesystem */
+ public static boolean isCaseSensitive() { return platform._isCaseSensitive(); }
+
+ /** returns the value of the environment variable key, or null if no such key exists */
+ public static String getEnv(String key) { return platform._getEnv(key); }
+
+ /** displays a platform-specific "open file" dialog and returns the chosen filename, or null if the user hit cancel */
+ public static String fileDialog(String suggestedFileName, boolean write) {
+ if (!ThreadMessage.suspendThread()) return null;
+ try {
+ return platform._fileDialog(suggestedFileName, write);
+ } finally {
+ ThreadMessage.resumeThread();
+ }
+ }
+
+ /** opens a new browser window */
public static void newBrowserWindow(String url) {
if (!(url.startsWith("https://") || url.startsWith("http://") || url.startsWith("ftp://") || url.startsWith("mailto:"))) {
if (Log.on) Log.log(Platform.class, "xwt.newBrowserWindow() only supports http and https urls");
return;
}
+
+ // check the URL for well-formedness, as a defense against buffer overflow attacks
+ try {
+ String u = url;
+ if (u.startsWith("https")) u = "http" + u.substring(5);
+ new URL(u);
+ } catch (MalformedURLException e) {
+ if (Log.on) Log.log(Platform.class, "URL " + url + " is not well-formed");
+ if (Log.on) Log.log(Platform.class, e);
+ }
+
if (Log.on) Log.log(Platform.class, "newBrowserWindow, url = " + url);
platform._newBrowserWindow(url);
}
public static Surface createSurface(Box b, boolean framed, boolean refreshable) {
Surface ret = platform._createSurface(b, framed);
ret.setInvisible(b.invisible);
- b.set(Box.size, 0, ret.width);
- b.set(Box.size, 1, ret.height);
+ b.set(Box.size, 0, b.size(0) < Surface.scarPicture.getWidth() ? Surface.scarPicture.getWidth() : b.size(0));
+ b.set(Box.size, 1, b.size(1) < Surface.scarPicture.getHeight() ? Surface.scarPicture.getHeight() : b.size(1));
Object titlebar = b.get("titlebar", null, true);
if (titlebar != null) ret.setTitleBarText(titlebar.toString());
else if (Log.on) Log.log(Platform.class, "unable to load icon " + icon);
}
+ ret.setLimits(b.dmin(0), b.dmin(1), b.dmax(0), b.dmax(1));
+
if (refreshable) {
Surface.refreshableSurfaceWasCreated = true;
Surface.allSurfaces.addElement(ret);
return ret;
}
+ /** detects proxy settings */
+ public static synchronized Proxy detectProxy() {
+
+ if (cachedProxyInfo != null) return cachedProxyInfo;
+ if (alreadyDetectedProxy) return null;
+ alreadyDetectedProxy = true;
+
+ if (Log.on) Log.log(Platform.class, "attempting environment-variable DNS proxy detection");
+ cachedProxyInfo = Proxy.detectProxyViaManual();
+ if (cachedProxyInfo != null) return cachedProxyInfo;
+
+ if (Log.on) Log.log(Platform.class, "attempting " + platform.getClass().getName() + " proxy detection");
+ cachedProxyInfo = platform._detectProxy();
+ if (cachedProxyInfo != null) return cachedProxyInfo;
+
+ return cachedProxyInfo;
+ }
+
// Helpful font parsing stuff //////////////////////////////////////////////////////
public static class ParsedFont {
public void parse(String font) {
int i = 0;
- while(i < font.length() && !Character.isDigit(font.charAt(i))) i++;
+ while(i < font.length() && !Character.isDigit(font.charAt(i)) && font.charAt(i) != '*') i++;
name = font.substring(0, i).toLowerCase().replace('_', ' ');
size = 10;
italic = false;
underline = false;
dotted_underline = false;
if (i != font.length()) {
- int j = i;
- while (j < font.length() && Character.isDigit(font.charAt(j))) j++;
- if (i != j) size = stoi(font.substring(i, j));
- i = j;
+ if (font.charAt(i) == '*') {
+ size = 0;
+ i++;
+ } else {
+ int j = i;
+ while (j < font.length() && Character.isDigit(font.charAt(j))) j++;
+ if (i != j) size = stoi(font.substring(i, j));
+ i = j;
+ }
while(i < font.length()) {
switch (font.charAt(i)) {
- case 'b': bold = true;
- case 'i': italic = true;
- case 'd': dotted_underline = true;
- case 'u': underline = true;
+ case 'b': bold = true; break;
+ case 'i': italic = true; break;
+ case 'd': dotted_underline = true; break;
+ case 'u': underline = true; break;
}
i++;
}
}
+
projects / org.ibex.core.git / blobdiff