public class Main {
/**
+ * FEATURE: this should be implemented using self-emulation
* Used for security checks. If this is null, it means that only
* scripts originating from the local filesystem are loaded in
* the engine (maximum permissions). If scripts have been loaded
*/
public static java.net.InetAddress originAddr = null;
public static String originHost = null;
-
- /** the URL where the initial xwar came from. */
public static String origin = null;
- /** true iff the user asked for rendered regions to be shown with a red rectangle */
- public static boolean showRenders = false;
-
- /** don't check if all surfaces are gone (and quit) until this is true */
- public static boolean doneInitializing = false;
+ public static Res builtin = null;
+
+ public static void printUsage() {
+ System.err.println("Usage: xwt [-s] [-v] [-l <port>/<url>] source-location [initial-template]");
+ System.err.println("");
+ System.err.println("Options:");
+ // FEATURE: reintroduce
+ //System.err.println(" -s show rendering activity with red rectangles");
+ System.err.println(" -v verbose logging");
+ // FEATURE: reintroduce
+ //System.err.println(" -l serve logs via HTTP on 127.0.0.1:<port>/<url>");
+ System.err.println("");
+ System.err.println("Source-location is one of the following:");
+ System.err.println(" - the path to an xwar file");
+ System.err.println(" - the path to a directory to be used as an xwar");
+ System.err.println(" - the http url of an xwar");
+ System.err.println("");
+ System.err.println("Initial-template is the resource name of the template to load; defaults to 'main'");
+ Runtime.getRuntime().exit(-1);
+ }
/** common entry point */
- public static void main(String[] args) {
- try {
- int startargs = 0;
- while (true) {
- if (startargs > args.length - 1) {
- System.err.println("Usage: xwt [-s] [-v] [-l <port>/<url>] source-location [initial-template]");
- System.err.println("");
- System.err.println("Options:");
- System.err.println(" -s show rendering activity with red rectangles");
- System.err.println(" -v verbose logging");
- System.err.println(" -l serve logs via HTTP on 127.0.0.1:<port>/<url>");
- System.err.println("");
- System.err.println("Source-location is one of the following:");
- System.err.println(" - the path to an xwar file");
- System.err.println(" - the path to a directory to be used as an xwar");
- System.err.println(" - the http url of an xwar");
- System.err.println("");
- System.err.println("Initial-template is the resource name of the template to load; defaults to 'main'");
- Runtime.getRuntime().exit(-1);
- }
- else if (args[startargs].equals("-s")) showRenders = true;
- else if (args[startargs].equals("-v")) Log.verbose = true;
- else if (args[startargs].equals("-l")) startargs++;
- else break;
- startargs++;
- }
- /* FIXME
- final String instancename = args.length > startargs + 1 ? args[startargs + 1] : "main";
-
- Platform.forceLoad();
- if (Log.on) for(int i=0; i<args.length; i++) Log.log(Main.class, "argument " + i + ": " + args[i]);
-
- InputStream is = Platform.getBuiltinInputStream();
- if (is == null) Platform.criticalAbort("unable to load builtin.xwar");
-
- if (Log.on) Log.log(Main.class, "loading scar image");
- PNG png = PNG.decode(new ByteArrayInputStream(Resources.getResource("org.xwt.builtin.scar.png")), "bundled scar image");
- Surface.scarPicture = Platform.createPicture(png.getData(), png.getWidth(), png.getHeight());
-
- String initialTemplate = "main";
- Res initialRR = null;
-
- // FIXME: after applying initial template, check numsurfaces; if zero, exit
- if (args.length > startargs) {
- if (args[startargs].startsWith("http://")) {
- if (Log.on) Log.log(Main.class, "downloading xwar");
- initialRR = Res.stringToRes("file:" + args[startargs] + "!");
- origin = args[startargs];
- initialTemplate = "org.xwt.builtin.splash";
+ public static void main(String[] args) throws Exception {
+ int startargs = 0;
+ while (true) {
+ if (startargs > args.length - 1) printUsage();
+ else if (args[startargs].equals("-v")) Log.verbose = true;
+ else if (args[startargs].equals("-l")) startargs++;
+ else break;
+ startargs++;
+ }
- } else {
- if (Log.on) Log.log(Main.class, "loading xwar from local filesystem");
+ Platform.forceLoad();
+ if (Log.on) for(int i=0; i<args.length; i++) Log.log(Main.class, "argument " + i + ": " + args[i]);
+
+ builtin = new Res.Zip(new Res.IS(Platform.getBuiltinInputStream()));
+
+ String initialTemplateName = args.length > startargs + 1 ? args[startargs + 1] : "main";
+ initialTemplateName = initialTemplateName.replace('/', '.');
+ origin = args[startargs];
+
+ if (origin.startsWith("http://") || origin.startsWith("https://")) {
+ originHost = origin.substring(origin.indexOf('/') + 2);
+ originHost = originHost.substring(0, originHost.indexOf('/') == -1 ? originHost.length() : originHost.indexOf('/'));
+ if (originHost.indexOf('@') != -1) originHost = originHost.substring(originHost.indexOf('@') + 1);
+ originAddr = InetAddress.getByName(originHost);
+ } else {
+ // HACK because MSIE turns \'s into /'s in file URLs... argh!!
+ if (Platform.platform.getClass().getName().endsWith("Win32")) origin = origin.replace('/', '\\');
+ if (!new File(origin).isDirectory()) origin += "!";
+ origin = "file:" + origin;
+ }
- // HACK because MSIE turns \'s into /'s in URLs... argh!!
- if (Platform.platform.getClass().getName().endsWith("Win32"))
- args[startargs] = args[startargs].replace('/', '\\');
+ // FIXME put the splash screen back in
+ if (Log.on) Log.log(Main.class, "loading xwar");
- File f = new File(args[startargs]);
- origin = "file:" + f.getAbsolutePath();
- if (f.isDirectory()) {
- initialRR = Res.stringToRes("file:" + args[startargs]);
- Surface.scarAllSurfacesFromNowOn = true;
- } else {
- initialRR = Res.stringToRes("file:" + args[startargs] + "!");
- initialTemplate = "org.xwt.builtin.splash";
- }
+ Res rr = Res.stringToRes(origin);
+ Template.getTemplate(((Res)rr.get(initialTemplateName)).addExtension(".xwt")).apply(new Box(), null, 0, 0, rr);
- if (args.length > startargs + 1) initialTemplate = args[startargs + 1];
- }
- }
-
- if (Log.on) Log.log(Main.class, "instantiating " + initialTemplate);
- final String initialTemplate_f = initialTemplate;
- final Res initialRR_f = initialRR;
- ThreadMessage.newthread(new JS.Callable() {
- public Object call(JS.Array args) throws JS.Exn {
- Box b = new Box();
- try {
- Template t = Template.buildTemplate(Res.stringToRes("file:.").getInputStream(), "RESOURCE");
- t.apply(b, (Vec)null, (Vec)null, (JS.Callable)null, 0, 0, initialRR_f);
- //FIXME
- //Template.getTemplate(initialTemplate_f, null).apply(b, (Vec)null, (Vec)null, (JS.Callable)null, 0, 0, initialRR_f);
- doneInitializing = true;
- if (Surface.allSurfaces.size() == 0) {
- Log.log(this, "exiting because all surfaces are gone");
- Platform.exit();
- }
- } catch (Exception e) {
- Log.log(Main.class, e);
- }
- return null;
- }
- });
-
- // gcj-win32 exit()'s when the original thread dies, so we have to deadlock ourselves
- //if (Log.on) Log.log(Main.class, "main thread blocking on new semaphore");
- //new org.xwt.util.Semaphore().block();
- Platform.running();
- */
- } catch (Throwable e) {
- e.printStackTrace();
- Platform.criticalAbort("exception in Main.main(): " + e);
- }
+ Message.Q.startQ();
}
}
*/
public abstract class Surface extends PixelBuffer {
- /** Dirty regions on the screen which need to be rebuilt using Surface.blit() */
- DirtyList screenDirtyRegions = new DirtyList();
-
public int getWidth() { return root == null ? 0 : root.width; }
public int getHeight() { return root == null ? 0 : root.height; }
/** When set to true, render() should abort as soon as possible and restart the rendering process */
static volatile boolean abort = false;
- public static boolean alt = false; /**< true iff the alt button is pressed down, in real time */
- public static boolean control = false; /**< true iff the control button is pressed down, in real time */
- public static boolean shift = false; /**< true iff the shift button is pressed down, in real time */
- public static boolean button1 = false; /**< true iff button 1 is depressed, in MessageQueue-time */
- public static boolean button2 = false; /**< true iff button 2 is depressed, in MessageQueue-time */
- public static boolean button3 = false; /**< true iff button 3 is depressed, in MessageQueue-time */
+ /** the scar image drawn on the bottom right hand corner */
+ static Box scarBox = null;
+
+ public static boolean alt = false; ///< true iff the alt button is pressed down, in real time
+ public static boolean control = false; ///< true iff the control button is pressed down, in real time
+ public static boolean shift = false; ///< true iff the shift button is pressed down, in real time
+ public static boolean button1 = false; ///< true iff button 1 is depressed, in MessageQueue-time
+ public static boolean button2 = false; ///< true iff button 2 is depressed, in MessageQueue-time
+ public static boolean button3 = false; ///< true iff button 3 is depressed, in MessageQueue-time
+
// Instance Data ///////////////////////////////////////////////////////////////////////
public Box root; /**< The Box at the root of this surface */
public String cursor = "default";
- public int mousex; /**< the x position of the mouse, relative to this Surface, in MessageQueue-time */
- public int mousey; /**< the y position of the mouse, relative to this Surface, in MessageQueue-time */
- public boolean minimized = false; /**< True iff this surface is minimized, in real time */
- public boolean maximized = false; /**< True iff this surface is maximized, in real time */
+ public int mousex; ///< the x position of the mouse, relative to this Surface, in MessageQueue-time
+ public int mousey; ///< the y position of the mouse, relative to this Surface, in MessageQueue-time
+ public boolean minimized = false; ///< True iff this surface is minimized, in real time
+ public boolean maximized = false; ///< True iff this surface is maximized, in real time
+
+ /** Dirty regions on the backbuffer which need to be rebuilt using Box.render() */
+ private DirtyList dirtyRegions = new DirtyList();
// Used For Simulating Clicks and DoubleClicks /////////////////////////////////////////////////
- int last_press_x = Integer.MAX_VALUE; /**< the x-position of the mouse the last time a Press message was enqueued */
- int last_press_y = Integer.MAX_VALUE; /**< the y-position of the mouse the last time a Press message was enqueued */
- static int lastClickButton = 0; /**< the last button to recieve a Click message; used for simulating DoubleClick's */
- static long lastClickTime = 0; /**< the last time a Click message was processed; used for simulating DoubleClick's */
+ int last_press_x = Integer.MAX_VALUE; ///< the x-position of the mouse the last time a Press message was enqueued
+ int last_press_y = Integer.MAX_VALUE; ///< the y-position of the mouse the last time a Press message was enqueued
+ static int lastClickButton = 0; ///< the last button to recieve a Click message; used for simulating DoubleClick's
+ static long lastClickTime = 0; ///< the last time a Click message was processed; used for simulating DoubleClick's
// Methods to be overridden by subclasses ///////////////////////////////////////////////////////
- public abstract void toBack(); /**< when invoked, the surface should push itself to the back of the stacking order */
- public abstract void toFront(); /**< when invoked, the surface should pull itself to the front of the stacking order */
- public abstract void syncCursor(); /**< the <i>actual</i> cursor for this surface to the cursor referenced by <tt>cursor</tt> */
- public abstract void setInvisible(boolean b); /**< If <tt>b</tt>, make window invisible; otherwise, make it non-invisible. */
- protected abstract void _setMaximized(boolean b); /**< If <tt>b</tt>, maximize the surface; otherwise, un-maximize it. */
- protected abstract void _setMinimized(boolean b); /**< If <tt>b</tt>, minimize the surface; otherwise, un-minimize it. */
- protected abstract void setSize(int width, int height); /**< Sets the surface's width and height. */
- public abstract void setLocation(); /**< Set the surface's x/y position to that of the root box */
- public abstract void setTitleBarText(String s); /**< Sets the surface's title bar text, if applicable */
- public abstract void setIcon(Picture i); /**< Sets the surface's title bar text, if applicable */
- public abstract void _dispose(); /**< Destroy the surface */
+ public abstract void toBack(); ///< when invoked, the surface should push itself to the back of the stacking order
+ public abstract void toFront(); ///< when invoked, the surface should pull itself to the front of the stacking order
+ public abstract void syncCursor(); ///< the <i>actual</i> cursor for this surface to the cursor referenced by <tt>cursor</tt>
+ public abstract void setInvisible(boolean b); ///< If <tt>b</tt>, make window invisible; otherwise, make it non-invisible.
+ protected abstract void _setMaximized(boolean b); ///< If <tt>b</tt>, maximize the surface; otherwise, un-maximize it.
+ protected abstract void _setMinimized(boolean b); ///< If <tt>b</tt>, minimize the surface; otherwise, un-minimize it.
+ protected abstract void setSize(int width, int height); ///< Sets the surface's width and height.
+ public abstract void setLocation(); ///< Set the surface's x/y position to that of the root box
+ public abstract void setTitleBarText(String s); ///< Sets the surface's title bar text, if applicable
+ public abstract void setIcon(Picture i); ///< Sets the surface's title bar text, if applicable
+ public abstract void _dispose(); ///< Destroy the surface
public void setLimits(int min_width, int min_height, int max_width, int max_height) { }
protected final void Focused(boolean b) { new SimpleMessage("Focused", b ? Boolean.TRUE : Boolean.FALSE, root); }
public static void Refresh() { Message.Q.refresh(); }
-
- // Other Methods ///////////////////////////////////////////////////////////////////////////////
-
public final void setMaximized(boolean b) { if (b != maximized) _setMaximized(maximized = b); }
public final void setMinimized(boolean b) { if (b != minimized) _setMinimized(minimized = b); }
+
+ // Other Methods ///////////////////////////////////////////////////////////////////////////////
+
/** wrapper for setSize() which makes sure to dirty the place where the scar used to be */
void setSize() {
- root.width = Math.max(root.width, scarPicture.getWidth());
- root.height = Math.max(root.height, scarPicture.getHeight());
- dirty(hscar, root.height - vscar - scarPicture.getHeight(), scarPicture.getWidth(), scarPicture.getHeight());
+ scarBox.dirty();
+ root.width = Math.max(root.width, scarBox.minwidth);
+ root.height = Math.max(root.height, scarBox.minheight);
setSize(root.width, root.height);
+ scarBox.x = 0;
+ scarBox.y = root.height - scarBox.minheight;
}
/** Indicates that the Surface is no longer needed */
public final void dispose(boolean quitIfAllSurfacesGone) {
- if (root == null) return;
if (Log.on) Log.log(this, "disposing " + this);
allSurfaces.removeElement(this);
_dispose();
-
- // quit when all windows are closed
- if (allSurfaces.size() == 0 && quitIfAllSurfacesGone && Main.doneInitializing) {
+ if (allSurfaces.size() == 0) {
if (Log.on) Log.log(this, "exiting because last surface was destroyed");
System.exit(0);
}
}
public void dirty(int x, int y, int w, int h) {
- backbufferDirtyRegions.dirty(x, y, w, h);
+ dirtyRegions.dirty(x, y, w, h);
Refresh();
}
public Surface(Box root) {
this.root = root;
- if (root.surface != null && root.surface.root == root) {
- root.surface.dispose(false);
- } else {
- root.remove();
+ scarBox = new Box();
+ try {
+ scarBox.put("image", ((Res)Main.builtin.get("org/xwt/builtin/scar.png")).getInputStream());
+ } catch (Exception e) {
+ Log.log(this, e);
}
+ scarBox.surface = this;
+ if (root.surface != null && root.surface.root == root) root.surface.dispose(false);
+ else root.remove();
root.surface = this;
// make sure the root is properly sized
Refresh();
}
+ public void paintRegion(int x, int y, int w, int h) {
+ root.render(0, 0, x, y, w, h, this);
+ scarBox.render(0, 0, x, y, w, h, this);
+ }
+
/** runs the prerender() and render() pipelines in the root Box to regenerate the backbuffer, then blits it to the screen */
public synchronized void render() {
} while(abort);
Box.sizePosChangesSinceLastRender = 0;
- int[][] dirt = backbufferDirtyRegions.flush();
+ int[][] dirt = dirtyRegions.flush();
for(int i = 0; dirt != null && i < dirt.length; i++) {
if (dirt[i] == null) continue;
- int x = dirt[i][0];
- int y = dirt[i][1];
- int w = dirt[i][2];
- int h = dirt[i][3];
+ int x = dirt[i][0], y = dirt[i][1], w = dirt[i][2], h = dirt[i][3];
if (x < 0) x = 0;
if (y < 0) y = 0;
if (x+w > root.width) w = root.width - x;
if (y+h > root.height) h = root.height - y;
if (w <= 0 || h <= 0) continue;
- root.render(0, 0, x, y, w, h, this);
+ paintRegion(x, y, w, h);
- // if any area under the scar was repainted, rescar that area
- if (x < hscar + scarPicture.getWidth() &&
- y + h > root.height - scarPicture.getHeight() - vscar) {
- int _x1 = Math.max(x, hscar);
- int _x2 = Math.min(x + w, hscar + scarPicture.getWidth());
- int _y1 = Math.max(y, root.height - scarPicture.getHeight() - vscar);
- int _y2 = Math.min(y + h, root.height - vscar);
-
- drawPicture(scarPicture, _x1, _y1, _x2, _y2,
- _x1,
- _y1 - (root.height - scarPicture.getHeight()),
- _x2,
- _y2 - (root.height - scarPicture.getHeight())
- );
- }
-
if (abort) {
// x,y,w,h is only partially reconstructed, so we must be careful not to re-blit it
- screenDirtyRegions.dirty(x, y, w, h);
+ dirtyRegions.dirty(x, y, w, h);
// put back all the dirty regions we haven't yet processed (including the current one)
for(int j=i; j<dirt.length; j++)
if (dirt[j] != null)
- backbufferDirtyRegions.dirty(dirt[j][0], dirt[j][1], dirt[j][2], dirt[j][3]);
+ dirtyRegions.dirty(dirt[j][0], dirt[j][1], dirt[j][2], dirt[j][3]);
// tail-recurse
render();
return;
}
-
- // now that we've reconstructed this region in the backbuffer, queue it to be reblitted
- screenDirtyRegions.dirty(x, y, w, h);
}
}
}
- /** Dirty regions on the backbuffer which need to be rebuilt using Box.render() */
- private DirtyList backbufferDirtyRegions = new DirtyList();
-
- // Scar-Related Stuff ////////////////////////////////////////////////////////////////////
-
- /** the scar image drawn on the bottom right hand corner */
- static Picture scarPicture = null;
-
// Default PixelBuffer implementation /////////////////////////////////////////////////////////
/** The automatic double buffer for the root box */
PixelBuffer backbuffer = null;
-
+
+ /** Dirty regions on the screen which need to be rebuilt using Surface.blit() */
+ DirtyList screenDirtyRegions = new DirtyList();
+
public void drawPicture(Picture source, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2) {
- backbuffer.drawPicture(source, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2);
- }
-
+ backbuffer.drawPicture(source, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2); }
+
public void fillRect(int x1, int y1, int x2, int y2, int color) {
- backbuffer.fillRect(x1, y1, x2, y2, color);
- }
+ backbuffer.fillRect(x1, y1, x2, y2, color); }
- /** This is how subclasses signal a 'shallow dirty', indicating that although the backbuffer is valid, the screen is not */
- public final void Dirty(int x, int y, int w, int h) {
+ public void paintRegion(int x, int y, int w, int h) {
+ super.paintRegion(x, y, w, h);
screenDirtyRegions.dirty(x, y, w, h);
- Refresh();
}
- /** copies a region from the doublebuffer to this surface */
- public abstract void blit(PixelBuffer source, int sx, int sy, int dx, int dy, int dx2, int dy2);
-
-
- /** blits from the backbuffer to the screen for all regions of the screen which have become dirty */
- public synchronized void blitDirtyScreenRegions() { blitDirtyScreenRegions(-1, -1, 0, 0); }
-
- /** same as blitDirtyScreenRegions(), except that it will skip any regions within a,b,c,d */
- private synchronized void blitDirtyScreenRegions(int a, int b, int c, int d) {
-
+ public void render() {
+ super.render();
int[][] dirt = screenDirtyRegions.flush();
- if (Main.showRenders && dirt != null && dirt.length > 0 && a == -1)
- blit(backbuffer, 0, 0, 0, 0, root.width, root.height);
-
for(int i = 0; dirt != null && i < dirt.length; i++) {
if (dirt[i] == null) continue;
int x = dirt[i][0];
if (x+w > root.width) w = root.width - x;
if (y+h > root.height) h = root.height - y;
if (w <= 0 || h <= 0) continue;
-
- // if any part of this region falls within the "bad region", just skip it
- boolean hhit = (x >= a && x <= a + c) || (x+w >= a && x+w <= a + c);
- boolean vhit = (y >= b && y <= b + d) || (y+h >= b && y+h <= b + d);
- if (hhit && vhit) {
- screenDirtyRegions.dirty(x, y, w, h);
- continue;
- }
-
blit(backbuffer, x, y, x, y, w + x, h + y);
-
}
+ }
+ /** This is how subclasses signal a 'shallow dirty', indicating that although the backbuffer is valid, the screen is not */
+ public final void Dirty(int x, int y, int w, int h) {
+ screenDirtyRegions.dirty(x, y, w, h);
+ Refresh();
}
- }
- public static final int hscar = 0;
- public static final int vscar = 0;
+ /** copies a region from the doublebuffer to this surface */
+ public abstract void blit(PixelBuffer source, int sx, int sy, int dx, int dy, int dx2, int dy2);
+
+ }
}