X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2FSurface.java;h=70dd5671d6ae6b5a3359d02200f1ec3adbb8c128;hb=16ad8b9430571d806f2aeb18ec472a277ff69423;hp=962a426b7acb768559fd08fcc323387aafadd794;hpb=e58686eae8a823ed64ed0ec92c2274c41d90ec93;p=org.ibex.core.git
diff --git a/src/org/xwt/Surface.java b/src/org/xwt/Surface.java
index 962a426..70dd567 100644
--- a/src/org/xwt/Surface.java
+++ b/src/org/xwt/Surface.java
@@ -1,7 +1,8 @@
-// Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL]
+// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
package org.xwt;
import org.bouncycastle.util.encoders.Base64;
+import org.xwt.js.*;
import org.xwt.util.*;
import java.io.*;
import java.util.*;
@@ -11,134 +12,70 @@ import java.util.*;
*
* Platform subclasses should include an inner class subclass of
* Surface to return from the Platform._createSurface() method
- *
- * Note that the members in the section 'state variables' are either
- * in real-time (the actual size/position/state), or in
- * 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 implements Scheduler.Task {
// Static Data ////////////////////////////////////////////////////////////////////////////////
- /** true iff a user-created surface was created */
- static boolean refreshableSurfaceWasCreated = false;
-
- /** a reference to the most recently enqueued Move message; used to throttle the message rate */
- private static Message lastMoveMessage = null;
+ private static Boolean T = Boolean.TRUE;
+ private static Boolean F = Boolean.FALSE;
- /** all instances of Surface which need to be refreshed by the MessageQueue */
+ /** all instances of Surface which need to be refreshed by the Scheduler */
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;
-
-
- // Public Members and State Variables /////////////////////////////////////////////////////////
-
- /** 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;
-
- /** the y position of the mouse, relative to this Surface, in MessageQueue-time */
- public int mousey;
-
- /** 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;
-
- /** 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 String cursor = "default";
-
- /** The width of the surface's drawable area, in real time */
- public int width = 0;
-
- /** The height of the surface's drawable area, in real time */
- public int height = 0;
-
- /** 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;
-
- /** 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;
+ /** When set to true, render() should abort as soon as possible and restart the rendering process */
+ volatile boolean abort = false;
- /** the last time a Click message was processed; used for simulating DoubleClick's */
- static long lastClickTime = 0;
+ // these three variables are used to ensure that user resizes trump programmatic resizes
+ volatile boolean syncRootBoxToSurface = false;
+ volatile int pendingWidth = 0;
+ volatile int pendingHeight = 0;
+
+ public static boolean alt = false; ///< true iff the alt button is pressed down
+ public static boolean control = false; ///< true iff the control button is pressed down
+ public static boolean shift = false; ///< true iff the shift button is pressed down
+ public static boolean button1 = false; ///< true iff button 1 is depressed
+ public static boolean button2 = false; ///< true iff button 2 is depressed
+ public static boolean button3 = false; ///< true iff button 3 is depressed
+
+
+ // Instance Data ///////////////////////////////////////////////////////////////////////
+
+ public Box root; ///< The Box at the root of this surface
+ public String cursor = "default"; ///< The active cursor to switch to when syncCursor() is called
+ public int mousex; ///< x position of the mouse
+ public int mousey; ///< y position of the mouse
+ public int _mousex; ///< x position of the mouse FIXME
+ public int _mousey; ///< y position of the mouse FIXME
+ public int newmousex = -1; ///< x position of the mouse, in real time; this lets us collapse Move's
+ public int newmousey = -1; ///< y position of the mouse, in real time; this lets us collapse Move's
+ 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
+ DirtyList dirtyRegions = new DirtyList(); ///< Dirty regions on the surface
+
+ // 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
// 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 actual cursor for this surface to the cursor referenced by cursor */
- public abstract void syncCursor();
-
- /** If b == true, make the window invisible; otherwise, make it non-invisible. */
- public abstract void setInvisible(boolean b);
-
- /** If b == true, maximize the surface; otherwise, un-maximize it. */
- protected abstract void _setMaximized(boolean b);
-
- /** If b == true, 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);
-
- /** 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(DoubleBuffer 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 void setLimits(int min_width, int min_height, int max_width, int max_height) { }
+ public abstract void toBack(); ///< should push surface to the back of the stacking order
+ public abstract void toFront(); ///< should pull surface to the front of the stacking order
+ public abstract void syncCursor(); ///< set the actual cursor to this.cursor if they do not match
+ public abstract void setInvisible(boolean b); ///< If b, make window invisible; otherwise, make it non-invisible.
+ protected abstract void _setMaximized(boolean b); ///< If b, maximize the surface; otherwise, un-maximize it.
+ protected abstract void _setMinimized(boolean b); ///< If b, minimize the surface; otherwise, un-minimize it.
+ public abstract void setLocation(); ///< Set the surface's x/y position to that of the root box
+ protected abstract void _setSize(int w, int h); ///< set the actual size of the surface
+ 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 setMinimumSize(int minx, int miny, boolean resizable) { }
+ protected void setSize(int w, int h) { _setSize(w, h); }
// Helper methods for subclasses ////////////////////////////////////////////////////////////
@@ -151,14 +88,17 @@ public abstract class Surface {
else if (button == 2) button2 = true;
else if (button == 3) button3 = true;
- if (button == 1) new SimpleMessage("Press1", Boolean.TRUE, root.whoIs(mousex, mousey));
- else if (button == 2) new SimpleMessage("Press2", Boolean.TRUE, root.whoIs(mousex, mousey));
+ if (button == 1) new Message("_Press1", T, root);
+ else if (button == 2) new Message("_Press2", T, root);
else if (button == 3) {
- final Box who = root.whoIs(mousex, mousey);
- MessageQueue.add(new Message() { public void perform() {
+ final Box who = root;
+ Scheduler.add(new Scheduler.Task() { public void perform() throws JSExn {
Platform.clipboardReadEnabled = true;
- root.put("Press3", Boolean.TRUE);
- Platform.clipboardReadEnabled = false;
+ try {
+ root.putAndTriggerTraps("_Press3", T);
+ } finally {
+ Platform.clipboardReadEnabled = false;
+ }
}});
}
}
@@ -168,9 +108,9 @@ public abstract class Surface {
else if (button == 2) button2 = false;
else if (button == 3) button3 = false;
- if (button == 1) new SimpleMessage("Release1", Boolean.TRUE, root.whoIs(mousex, mousey));
- else if (button == 2) new SimpleMessage("Release2", Boolean.TRUE, root.whoIs(mousex, mousey));
- else if (button == 3) new SimpleMessage("Release3", Boolean.TRUE, root.whoIs(mousex, mousey));
+ if (button == 1) new Message("_Release1", T, root);
+ else if (button == 2) new Message("_Release2", T, root);
+ else if (button == 3) new Message("_Release3", T, root);
if (Platform.needsAutoClick() && Math.abs(last_press_x - mousex) < 5 && Math.abs(last_press_y - mousey) < 5) Click(button);
last_press_x = Integer.MAX_VALUE;
@@ -178,9 +118,9 @@ public abstract class Surface {
}
protected final void Click(int button) {
- if (button == 1) new SimpleMessage("Click1", Boolean.TRUE, root.whoIs(mousex, mousey));
- else if (button == 2) new SimpleMessage("Click2", Boolean.TRUE, root.whoIs(mousex, mousey));
- else if (button == 3) new SimpleMessage("Click3", Boolean.TRUE, root.whoIs(mousex, mousey));
+ if (button == 1) new Message("_Click1", T, root);
+ else if (button == 2) new Message("_Click2", T, root);
+ else if (button == 3) new Message("_Click3", T, root);
if (Platform.needsAutoDoubleClick()) {
long now = System.currentTimeMillis();
if (lastClickButton == button && now - lastClickTime < 350) DoubleClick(button);
@@ -189,59 +129,16 @@ public abstract class Surface {
}
}
- protected final void DoubleClick(int button) {
- if (button == 1) new SimpleMessage("DoubleClick1", Boolean.TRUE, root.whoIs(mousex, mousey));
- else if (button == 2) new SimpleMessage("DoubleClick2", Boolean.TRUE, root.whoIs(mousex, mousey));
- else if (button == 3) new SimpleMessage("DoubleClick3", Boolean.TRUE, root.whoIs(mousex, mousey));
- }
-
- /** sends a KeyPressed message; subclasses should not add the C- or A- prefixes, nor should they capitalize alphabet characters */
- protected final void KeyPressed(String key) {
- if (key == null) return;
-
- if (key.toLowerCase().endsWith("shift")) shift = true;
- else if (shift) key = key.toUpperCase();
-
- if (key.toLowerCase().equals("alt")) alt = true;
- else if (alt) key = "A-" + key;
-
- if (key.toLowerCase().endsWith("control")) control = true;
- else if (control) key = "C-" + key;
-
- final String fkey = key;
- MessageQueue.add(new KMessage(key));
- }
-
- // This is implemented as a private static class instead of an anonymous class to work around a GCJ bug
- private class KMessage implements Message {
- String key = null;
- public KMessage(String k) { key = k; }
- public void perform() {
- if (key.equals("C-v") || key.equals("A-v")) Platform.clipboardReadEnabled = true;
- outer: for(int i=0; i> 32);
- lastResizeTimeBottom = (int)(lastResizeTime & 0xffffffff);
- Refresh();
- }
-
- protected final void PosChange(int x, int y) {
- root.set(Box.abs, 0, x);
- root.set(Box.abs, 1, y);
- new SimpleMessage("PosChange", Boolean.TRUE, root);
+ Scheduler.renderAll();
}
- protected final void Close() { new SimpleMessage("Close", Boolean.TRUE, root); }
- 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
-
- /** used in conjunction with Platform.supressDirtyOnResize() */
- private int lastResizeTimeTop = 0;
- private int lastResizeTimeBottom = 0;
-
- /** 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) {
- long lastResizeTime = (((long)lastResizeTimeTop) << 32) | (long)lastResizeTimeBottom;
- if (Platform.supressDirtyOnResize() && System.currentTimeMillis() - lastResizeTime < 100 && (w >= width - 1 || h >= height - 1)) return;
- screenDirtyRegions.dirty(x, y, w, h);
- Refresh();
+ // FEATURE: can we avoid creating objects here?
+ protected final void PosChange(final int x, final int y) {
+ Scheduler.add(new Scheduler.Task() { public void perform() throws JSExn {
+ root.x = x;
+ root.y = y;
+ root.putAndTriggerTrapsAndCatchExceptions("PosChange", T);
+ }});
}
+ private final String[] doubleClick = new String[] { null, "_DoubleClick1", "_DoubleClick2", "_DoubleClick3" };
+ protected final void DoubleClick(int button) { new Message(doubleClick[button], T, root); }
+ protected final void KeyPressed(String key) { new Message("_KeyPressed", key, root); }
+ protected final void KeyReleased(String key) { new Message("_KeyReleased", key, root); }
+ protected final void Close() { new Message("Close", T, root); }
+ protected final void Minimized(boolean b) { minimized = b; new Message("Minimized", b ? T : F, root); }
+ protected final void Maximized(boolean b) { maximized = b; new Message("Maximized", b ? T : F, root); }
+ protected final void Focused(boolean b) { new Message("Focused", b ? T : F, root); }
+ public void Refresh() { Scheduler.add(new Scheduler.Task() { public void perform() { } }); }
- // Private Instance Data /////////////////////////////////////////////////////////////////////////////////////////////
-
- /** The automatic double buffer for the root box */
- DoubleBuffer 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 */
- volatile boolean abort = false;
-
- /** a solid red 10x10 double buffer */
- private DoubleBuffer showRenderBuf = null;
-
- /** a striped 100x100 double buffer */
- private DoubleBuffer showRenderBuf2 = null;
-
- /** true iff this window should be scarred */
- private boolean scarred = true;
+ 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 ///////////////////////////////////////////////////////////////////////////////
- /** If b == true, maximize the surface; otherwise, un-maximize it. */
- public final void setMaximized(boolean b) {
- if (b == maximized) return;
- _setMaximized(b);
- maximized = b;
- }
-
- /** If b == true, minimize the surface; otherwise, un-minimize it. */
- public final void setMinimized(boolean b) {
- if (b == minimized) return;
- _setMinimized(b);
- minimized = b;
- }
-
- /** wrapper for setSize() which makes sure to dirty the place where the scar used to be */
- void _setSize(int width, int height) {
- if (scarred) {
- width = Math.max(width, scarPicture.getWidth());
- height = Math.max(height, scarPicture.getHeight());
- dirty(hscar,
- root.size(1) - vscar - scarPicture.getHeight(),
- scarPicture.getWidth(), scarPicture.getHeight());
- }
- setSize(width, height);
- this.width = width;
- this.height = height;
- }
-
/** 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);
+ if (Log.on) Log.info(this, "disposing " + this);
allSurfaces.removeElement(this);
_dispose();
-
- // 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 (allSurfaces.size() == 0) {
+ if (Log.on) Log.info(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);
+ dirtyRegions.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);
- } else {
- root.remove();
+ public static Surface fromBox(Box b) {
+ // FIXME use a hash table here
+ for(int i=0; i width) w = width - x;
- if (y+h > height) h = height - y;
+ 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(x, y, w, h, backbuffer);
+ root.render(0, 0, x, y, x + w, y + h, this, identity);
+ drawPicture(Main.scarImage, 0, root.height - Main.scarImage.height, x, y, x+w, y+h);
- // if any area under the scar was repainted, rescar that area
- if (scarred && x < hscar + scarPicture.getWidth() &&
- y + h > height - scarPicture.getHeight() - vscar) {
- int _x1 = Math.max(x, hscar);
- int _x2 = Math.min(x + w, hscar + scarPicture.getWidth());
- int _y1 = Math.max(y, height - scarPicture.getHeight() - vscar);
- int _y2 = Math.min(y + h, height - vscar);
-
- backbuffer.drawPicture(scarPicture, _x1, _y1, _x2, _y2,
- _x1 - (hscar),
- _y1 - (height - scarPicture.getHeight() - vscar),
- _x2 - (hscar),
- _y2 - (height - scarPicture.getHeight() - vscar)
- );
- }
-
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);
-
+ 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 0 && a == -1)
- blit(backbuffer, 0, 0, 0, 0, width, 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.size(0)) w = root.size(0) - x;
- if (y+h > root.size(1)) h = root.size(1) - 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.createDoubleBuffer(10, 10, this);
- showRenderBuf.fillRect(0, 0, 10, 10, 0x00FF0000);
- showRenderBuf2 = Platform.createDoubleBuffer(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 root.width) w = root.width - x;
+ if (y+h > root.height) h = root.height - y;
+ if (w <= 0 || h <= 0) continue;
+ if (abort) return;
+ 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);
+ Scheduler.renderAll();
+ }
+
+ public void dirty(int x, int y, int w, int h) {
+ screenDirtyRegions.dirty(x, y, w, h);
+ super.dirty(x, y, w, h);
+ }
- /** The scar's vertical offset */
- 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);
- /** the scar image drawn on the bottom right hand corner */
- static Picture scarPicture = null;
+ }
}