* MessageQueue-time (the size/position/state at the time that the
* now-executing message was enqueued). This distinction is important.
*/
-public abstract class Surface {
+public abstract class Surface extends PixelBuffer {
- // Static Data ////////////////////////////////////////////////////////////////////////////////
+ /** Dirty regions on the screen which need to be rebuilt using Surface.blit() */
+ DirtyList screenDirtyRegions = new DirtyList();
- /** true iff a user-created surface was created */
- static boolean refreshableSurfaceWasCreated = false;
+ public int getWidth() { return root == null ? 0 : root.width; }
+ public int getHeight() { return root == null ? 0 : root.height; }
+
+ // Static Data ////////////////////////////////////////////////////////////////////////////////
- /** a reference to the most recently enqueued Move message; used to throttle the message rate */
+ /**< the most recently enqueued Move message; used to throttle the message rate */
private static Message lastMoveMessage = null;
/** all instances of Surface which need to be refreshed by the MessageQueue */
public static Vec allSurfaces = new Vec();
-
- /** true iff the alt button is pressed down, in real time */
- public static boolean alt = false;
- /** true iff the control button is pressed down, in real time */
- public static boolean control = false;
-
- /** true iff the shift button is pressed down, in real time */
- public static boolean shift = false;
-
- /** true iff button 1 is depressed, in MessageQueue-time */
- public static boolean button1 = false;
-
- /** true iff button 2 is depressed, in MessageQueue-time */
- public static boolean button2 = false;
-
- /** true iff button 3 is depressed, in MessageQueue-time */
- public static boolean button3 = false;
-
- /** true iff all surfaces created from now on should be scarred */
- public static boolean scarAllSurfacesFromNowOn = false;
-
- /** false if the surface has never been rendered; used to determine if the surface should be repositioned to be centered on the screen */
- public boolean centerSurfaceOnRender = true;
-
- /** the x position of the mouse, relative to this Surface, in MessageQueue-time */
- public int mousex;
+ /** When set to true, render() should abort as soon as possible and restart the rendering process */
+ static volatile boolean abort = false;
- /** the y position of the mouse, relative to this Surface, in MessageQueue-time */
- public int mousey;
+ 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 */
- /** True iff this surface is minimized, in real time */
- public boolean minimized = false;
- /** True iff this surface is maximized, in real time */
- public boolean maximized = false;
+ // Instance Data ///////////////////////////////////////////////////////////////////////
- /** The name of the cursor on this surface -- this value fluctuates during rendering, so it may not be accurate;
- * syncCursor() is called once the value is stable, to prevent the "flickering cursor" phenomenon
- */
+ public Box root; /**< The Box at the root of this surface */
public String cursor = "default";
- /** The Box at the root of this surface */
- public Box root;
-
- /** The number of SizeChange/PosChange traps triggered since the last successful render -- used to detect infinite loops */
- public int sizePosChangesSinceLastRender = 0;
+ 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 */
// Used For Simulating Clicks and DoubleClicks /////////////////////////////////////////////////
- /** the x-position of the mouse the last time a Press message was enqueued */
- int last_press_x = Integer.MAX_VALUE;
-
- /** the y-position of the mouse the last time a Press message was enqueued */
- int last_press_y = Integer.MAX_VALUE;
-
- /** the last button to recieve a Click message; used for simulating DoubleClick's */
- static int lastClickButton = 0;
-
- /** the last time a Click message was processed; used for simulating DoubleClick's */
- static long lastClickTime = 0;
+ 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 ///////////////////////////////////////////////////////
- /** when this method is invoked, the surface should push itself to the back of the stacking order */
- public abstract void toBack();
-
- /** when this method is invoked, the surface should pull itself to the front of the stacking order */
- public abstract void toFront();
-
- /** sets the <i>actual</i> cursor for this surface to the cursor referenced by <tt>cursor</tt> */
- public abstract void syncCursor();
-
- /** If <tt>b == true</tt>, make the window invisible; otherwise, make it non-invisible. */
- public abstract void setInvisible(boolean b);
-
- /** If <tt>b == true</tt>, maximize the surface; otherwise, un-maximize it. */
- protected abstract void _setMaximized(boolean b);
-
- /** If <tt>b == true</tt>, minimize the surface; otherwise, un-minimize it. */
- protected abstract void _setMinimized(boolean b);
-
- /** Sets the surface's width and height. */
- protected abstract void setSize(int width, int height);
-
- /** Sets the surface's x and y position. */
- public abstract void setLocation(int x, int y);
- public void setLocation() { setLocation(root.x, root.y); }
-
- /** Sets the surface's title bar text, if applicable */
- public abstract void setTitleBarText(String s);
-
- /** Sets the surface's title bar text, if applicable */
- public abstract void setIcon(Picture i);
-
- /** 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);
-
- /** Destroy the surface */
- public abstract void _dispose();
-
- /** Notifies the surface that limits have been imposed on the surface's size */
+ 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) { }
else if (button == 2) new SimpleMessage("Press2", Boolean.TRUE, Box.whoIs(root, mousex, mousey));
else if (button == 3) {
final Box who = Box.whoIs(root, mousex, mousey);
- MessageQueue.add(new Message() { public void perform() {
+ Message.Q.add(new Message() { public void perform() {
Platform.clipboardReadEnabled = true;
root.put("Press3", Boolean.TRUE);
Platform.clipboardReadEnabled = false;
else if (control) key = "C-" + key;
final String fkey = key;
- MessageQueue.add(new KMessage(key));
+ Message.Q.add(new KMessage(key));
}
// This is implemented as a private static class instead of an anonymous class to work around a GCJ bug
public KMessage(String k) { key = k; }
public void perform() {
if (key.equals("C-v") || key.equals("A-v")) Platform.clipboardReadEnabled = true;
+ /* FIXME
outer: for(int i=0; i<keywatchers.size(); i++) {
Box b = (Box)keywatchers.elementAt(i);
for(Box cur = b; cur != null; cur = cur.getParent())
if ((cur.flags & cur.INVISIBLE_FLAG) != 0) continue outer;
b.put("KeyPressed", key);
}
+ */
Platform.clipboardReadEnabled = false;
}
}
if (key.toLowerCase().equals("alt")) alt = false;
else if (key.toLowerCase().equals("control")) control = false;
else if (key.toLowerCase().equals("shift")) shift = false;
- MessageQueue.add(new Message() { public void perform() {
+ Message.Q.add(new Message() { public void perform() {
+ /* FIXME
outer: for(int i=0; i<keywatchers.size(); i++) {
Box b = (Box)keywatchers.elementAt(i);
for(Box cur = b; cur != null; cur = cur.getParent())
if ((cur.flags & cur.INVISIBLE_FLAG) != 0) continue outer;
b.put("KeyReleased", key);
}
+ */
}});
}
* message), the subclass should use (-1,-1).
*/
protected final void Move(final int newmousex, final int newmousey) {
- MessageQueue.add(lastMoveMessage = new Message() { public void perform() {
+ Message.Q.add(lastMoveMessage = new Message() { public void perform() {
synchronized(Surface.this) {
// if move messages are arriving faster than we can process them, we just start ignoring them
}
protected final void SizeChange(final int width, final int height) {
- MessageQueue.add(new Message() { public void perform() {
+ Message.Q.add(new Message() { public void perform() {
if (width == root.width && height == root.height) return;
root.width = width;
root.height = height;
}
protected final void PosChange(final int x, final int y) {
- MessageQueue.add(new Message() { public void perform() {
+ Message.Q.add(new Message() { public void perform() {
root.put("x", new Integer(x));
root.put("y", new Integer(y));
}});
protected final void Minimized(boolean b) { minimized = b; new SimpleMessage("Minimized", b ? Boolean.TRUE : Boolean.FALSE, root); }
protected final void Maximized(boolean b) { maximized = b; new SimpleMessage("Maximized", b ? Boolean.TRUE : Boolean.FALSE, root); }
protected final void Focused(boolean b) { new SimpleMessage("Focused", b ? Boolean.TRUE : Boolean.FALSE, root); }
- public static void Refresh() { MessageQueue.refresh(); }
-
- // the following value is split into two int's to work around GCJ bug java/6393
-
- /** 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();
- }
-
-
- // Private Instance Data /////////////////////////////////////////////////////////////////////////////////////////////
-
- /** The automatic double buffer for the root box */
- PixelBuffer backbuffer = null;
-
- /** Dirty regions on the backbuffer which need to be rebuilt using Box.render() */
- private DirtyList backbufferDirtyRegions = new DirtyList();
-
- /** Dirty regions on the screen which need to be rebuilt using Surface.blit() */
- private DirtyList screenDirtyRegions = new DirtyList();
-
- /** A list of all the Boxes on this Surface that should be notified of keyboard events */
- Vec keywatchers = new Vec();
-
- /** When set to true, render() should abort as soon as possible and restart the rendering process */
- static volatile boolean abort = false;
-
- /** a solid red 10x10 double buffer */
- private PixelBuffer showRenderBuf = null;
-
- /** a striped 100x100 double buffer */
- private PixelBuffer showRenderBuf2 = null;
-
- /** true iff this window should be scarred */
- private boolean scarred = true;
+ public static void Refresh() { Message.Q.refresh(); }
// Other Methods ///////////////////////////////////////////////////////////////////////////////
- /** If <tt>b == true</tt>, maximize the surface; otherwise, un-maximize it. */
- public final void setMaximized(boolean b) {
- if (b == maximized) return;
- _setMaximized(b);
- maximized = b;
- }
-
- /** If <tt>b == true</tt>, minimize the surface; otherwise, un-minimize it. */
- public final void setMinimized(boolean b) {
- if (b == minimized) return;
- _setMinimized(b);
- minimized = b;
- }
+ public final void setMaximized(boolean b) { if (b != maximized) _setMaximized(maximized = b); }
+ public final void setMinimized(boolean b) { if (b != minimized) _setMinimized(minimized = b); }
/** wrapper for setSize() which makes sure to dirty the place where the scar used to be */
void setSize() {
- if (scarred) {
- 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());
- }
+ 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());
setSize(root.width, root.height);
}
// quit when all windows are closed
if (allSurfaces.size() == 0 && quitIfAllSurfacesGone && Main.doneInitializing) {
- if (Log.on) {
- if (refreshableSurfaceWasCreated) Log.log(this, "exiting because last remaining surface was disposed");
- else Log.log(this, "exiting because no surface was ever created");
- }
- Platform.exit();
+ if (Log.on) Log.log(this, "exiting because last surface was destroyed");
+ System.exit(0);
}
}
- /** Indicates that the backbuffer region x,y,w,h is no longer correct and must be regenerated */
public void dirty(int x, int y, int w, int h) {
backbufferDirtyRegions.dirty(x, y, w, h);
Refresh();
}
public Surface(Box root) {
- this.scarred = scarAllSurfacesFromNowOn;
- scarAllSurfacesFromNowOn = true;
this.root = root;
if (root.surface != null && root.surface.root == root) {
root.surface.dispose(false);
root.surface = this;
// make sure the root is properly sized
- do {
- abort = false;
- root.reflow();
- } while(abort);
-
- // this is a bit dangerous since we're passing ourselves to another method before subclasses' ctors have run...
- backbuffer = Platform.createPixelBuffer(Platform.getScreenWidth(), Platform.getScreenHeight(), this);
+ do { abort = false; root.reflow(); } while(abort);
root.dirty();
Refresh();
if (!cursor.equals(oldcursor)) syncCursor();
} while(abort);
- if (centerSurfaceOnRender) {
- centerSurfaceOnRender = false;
- int x = (Platform.getScreenWidth() - root.width) / 2;
- int y = (Platform.getScreenHeight() - root.height) / 2;
- setLocation(x, y);
- root.x = x;
- root.y = y;
- }
-
- sizePosChangesSinceLastRender = 0;
+ Box.sizePosChangesSinceLastRender = 0;
int[][] dirt = backbufferDirtyRegions.flush();
for(int i = 0; dirt != null && i < dirt.length; i++) {
if (dirt[i] == null) continue;
if (y+h > root.height) h = root.height - y;
if (w <= 0 || h <= 0) continue;
- root.render(0, 0, x, y, w, h, backbuffer);
+ root.render(0, 0, x, y, w, h, this);
// if any area under the scar was repainted, rescar that area
- if (scarred && x < hscar + scarPicture.getWidth() &&
+ 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);
- backbuffer.drawPicture(scarPicture, _x1, _y1, _x2, _y2,
- _x1 - (hscar),
- _y1 - (root.height - scarPicture.getHeight() - vscar),
- _x2 - (hscar),
- _y2 - (root.height - scarPicture.getHeight() - 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
- blitDirtyScreenRegions(x, y, w, h);
screenDirtyRegions.dirty(x, y, w, h);
// put back all the dirty regions we haven't yet processed (including the current one)
screenDirtyRegions.dirty(x, y, w, h);
}
- // blit out all the areas we've just reconstructed
- blitDirtyScreenRegions();
- }
-
- /** 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) {
-
- 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];
- int y = dirt[i][1];
- int w = dirt[i][2];
- int 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;
-
- // 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);
-
- if (Main.showRenders) {
- if (showRenderBuf == null) {
- showRenderBuf = Platform.createPixelBuffer(10, 10, this);
- showRenderBuf.fillRect(0, 0, 10, 10, 0x00FF0000);
- showRenderBuf2 = Platform.createPixelBuffer(100, 100, this);
- for(int y1 = 0; y1<100; y1++)
- for(int x1 = 0; x1<100; x1++)
- if ((x1 + y1) % 5 == 0)
- showRenderBuf2.fillRect(x1, y1, x1 + 1, y1 + 1, 0x00FF0000);
- }
- for(int x1 = x; x1<x + w; x1 += 100)
- for(int y1 = y; y1< y + h; y1 += 100) {
- blit(showRenderBuf2, 0, 0, x1, y1, Math.min(x1 + 100, x + w), Math.min(y1 + 100, y + h));
- }
- for(int j=x; j<x + w; j += 10) {
- blit(showRenderBuf, 0, 0, j, y, Math.min(j+ 10, x + w), y + 1);
- blit(showRenderBuf, 0, 0, j, y + h, Math.min(j + 10, x + w), y + h + 1);
- }
- for(int j=y; j<y + h; j += 10) {
- blit(showRenderBuf, 0, 0, x, j, x + 1, Math.min(j + 10, y + h));
- blit(showRenderBuf, 0, 0, x + w, j, x + w + 1, Math.min(j + 10, y + h));
- }
- }
-
- }
}
// FEATURE: reinstate recycler
this.boxContainingMouse = boxContainingMouse;
this.name = name;
this.value = value;
- MessageQueue.add(this);
+ Message.Q.add(this);
}
public void perform() { boxContainingMouse.put(name, value); }
public String toString() { return "SimpleMessage [name=" + name + ", value=" + value + "]"; }
-
+
}
+ /** Dirty regions on the backbuffer which need to be rebuilt using Box.render() */
+ private DirtyList backbufferDirtyRegions = new DirtyList();
+
// Scar-Related Stuff ////////////////////////////////////////////////////////////////////
- /** The scar's horizontal offset */
- int hscar = 0;
-
- /** The scar's vertical offset */
- int vscar = 0;
-
/** the scar image drawn on the bottom right hand corner */
static Picture scarPicture = null;
+
+ // Default PixelBuffer implementation /////////////////////////////////////////////////////////
+
+ public static abstract class DoubleBufferedSurface extends Surface {
+
+ public DoubleBufferedSurface(Box root) {
+ super(root);
+
+ // this is a bit dangerous since we're passing ourselves to another method before subclasses' ctors have run...
+ backbuffer = Platform.createPixelBuffer(Platform.getScreenWidth(), Platform.getScreenHeight(), this);
+ }
+
+ /** The automatic double buffer for the root box */
+ PixelBuffer backbuffer = null;
+
+ 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);
+ }
+
+ public void fillRect(int x1, int y1, int x2, int y2, int 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) {
+ 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) {
+
+ 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];
+ int y = dirt[i][1];
+ int w = dirt[i][2];
+ int 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;
+
+ // 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);
+
+ }
+
+ }
+ }
+
+ public static final int hscar = 0;
+ public static final int vscar = 0;
+
}
projects / org.ibex.core.git / blobdiff