-// Copyright 2003 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.*;
*
* 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
- * Scheduler-time (the size/position/state at the time that the
- * now-executing message was enqueued). This distinction is important.
*/
-public abstract class Surface extends PixelBuffer {
+public abstract class Surface extends PixelBuffer implements Scheduler.Task {
- public int getWidth() { return root == null ? 0 : root.width; }
- public int getHeight() { return root == null ? 0 : root.height; }
-
// Static Data ////////////////////////////////////////////////////////////////////////////////
- private abstract static class Message extends Scheduler.Task {
- public abstract void perform();
- public Object call(Object arg) { perform(); return null; }
- }
-
- /**< 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 Scheduler */
public static Vec allSurfaces = new Vec();
/** When set to true, render() should abort as soon as possible and restart the rendering process */
- static volatile boolean abort = false;
+ 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 Scheduler-time
- public static boolean button2 = false; ///< true iff button 2 is depressed, in Scheduler-time
- public static boolean button3 = false; ///< true iff button 3 is depressed, in Scheduler-time
-
-
-
- // Instance Data ///////////////////////////////////////////////////////////////////////
+ // 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 Box root; /**< The Box at the root of this surface */
- public String cursor = "default";
+ 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
- public int mousex; ///< the x position of the mouse, relative to this Surface, in Scheduler-time
- public int mousey; ///< the y position of the mouse, relative to this Surface, in Scheduler-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();
+ // 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 /////////////////////////////////////////////////
// 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 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 <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.
- 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 abstract void _setSize(int width, int height); ///< Sets the surface's width and height.
-
- protected final void setSize(int width, int height) {
- if (root.width != width || root.height != height) {
- root.dirty(0, root.height - Main.scarImage.getHeight(), Main.scarImage.getWidth(), Main.scarImage.getHeight());
- root.width = Math.max(Main.scarImage.getWidth(), width);
- root.height = Math.max(Main.scarImage.getHeight(), height);
- }
- _setSize(root.width, root.height);
- }
+ 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 ////////////////////////////////////////////////////////////
else if (button == 2) button2 = true;
else if (button == 3) button3 = true;
- if (button == 1) new SimpleMessage("Press1", Boolean.TRUE, Box.whoIs(root, mousex, mousey));
- else if (button == 2) new SimpleMessage("Press2", Boolean.TRUE, Box.whoIs(root, 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 = Box.whoIs(root, mousex, mousey);
- Scheduler.add(new Message() { public void perform() {
+ final Box who = root;
+ Scheduler.add(new Scheduler.Task() { public void perform() throws JSExn {
Platform.clipboardReadEnabled = true;
- root.putAndTriggerJSTraps("Press3", Boolean.TRUE);
- Platform.clipboardReadEnabled = false;
+ try {
+ root.putAndTriggerTraps("_Press3", T);
+ } finally {
+ Platform.clipboardReadEnabled = false;
+ }
}});
}
}
else if (button == 2) button2 = false;
else if (button == 3) button3 = false;
- if (button == 1) new SimpleMessage("Release1", Boolean.TRUE, Box.whoIs(root, mousex, mousey));
- else if (button == 2) new SimpleMessage("Release2", Boolean.TRUE, Box.whoIs(root, mousex, mousey));
- else if (button == 3) new SimpleMessage("Release3", Boolean.TRUE, Box.whoIs(root, 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;
}
protected final void Click(int button) {
- if (button == 1) new SimpleMessage("Click1", Boolean.TRUE, Box.whoIs(root, mousex, mousey));
- else if (button == 2) new SimpleMessage("Click2", Boolean.TRUE, Box.whoIs(root, mousex, mousey));
- else if (button == 3) new SimpleMessage("Click3", Boolean.TRUE, Box.whoIs(root, 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);
}
}
- protected final void DoubleClick(int button) {
- if (button == 1) new SimpleMessage("DoubleClick1", Boolean.TRUE, Box.whoIs(root, mousex, mousey));
- else if (button == 2) new SimpleMessage("DoubleClick2", Boolean.TRUE, Box.whoIs(root, mousex, mousey));
- else if (button == 3) new SimpleMessage("DoubleClick3", Boolean.TRUE, Box.whoIs(root, 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;
- Scheduler.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 extends 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<keywatchers.size(); i++) {
- Box b = (Box)keywatchers.elementAt(i);
- for(Box cur = b; cur != null; cur = cur.parent)
- if (!cur.test(cur.VISIBLE)) continue outer;
- b.putAndTriggerJSTraps("KeyPressed", key);
- }
- Platform.clipboardReadEnabled = false;
- }
- }
-
- Vec keywatchers = new Vec();
-
- /** sends a KeyReleased message; subclasses should not add the C- or A- prefixes, nor should they capitalize alphabet characters */
- protected final void KeyReleased(final String key) {
- if (key == null) return;
- if (key.toLowerCase().equals("alt")) alt = false;
- else if (key.toLowerCase().equals("control")) control = false;
- else if (key.toLowerCase().equals("shift")) shift = false;
- Scheduler.add(new Message() { public void perform() {
- outer: for(int i=0; i<keywatchers.size(); i++) {
- Box b = (Box)keywatchers.elementAt(i);
- for(Box cur = b; cur != null; cur = cur.parent)
- if (!cur.test(cur.VISIBLE)) continue outer;
- b.putAndTriggerJSTraps("KeyReleased", key);
- }
- }});
+ /** we enqueue ourselves in the Scheduler when we have a Move message to deal with */
+ public void perform() {
+ if (mousex == newmousex && mousey == newmousey) return;
+ int oldmousex = mousex; mousex = newmousex;
+ int oldmousey = mousey; mousey = newmousey;
+ String oldcursor = cursor; cursor = "default";
+ // Root gets motion events outside itself (if trapped)
+ if (!root.inside(oldmousex, oldmousey) && !root.inside(mousex, mousey) && (button1 || button2 || button3))
+ root.putAndTriggerTrapsAndCatchExceptions("_Move", T);
+ if (!cursor.equals(oldcursor)) syncCursor();
}
/**
* message), the subclass should use (-1,-1).
*/
protected final void Move(final int newmousex, final int newmousey) {
- Scheduler.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
- if (lastMoveMessage != this) return;
-
- int oldmousex = mousex;
- int oldmousey = mousey;
- mousex = newmousex;
- mousey = newmousey;
-
- String oldcursor = cursor;
- cursor = "default";
-
- // Root gets motion events outside itself (if trapped, of course)
- if (!root.inside(oldmousex, oldmousey) && !root.inside(mousex, mousey) && (button1 || button2 || button3))
- root.putAndTriggerJSTraps("Move", Boolean.TRUE);
-
- root.Move(oldmousex, oldmousey, mousex, mousey);
- if (!cursor.equals(oldcursor)) syncCursor();
- }
- }});
+ this.newmousex = newmousex;
+ this.newmousey = newmousey;
+ Scheduler.add(this);
}
+ /** subclasses should invoke this method when the user resizes the window */
protected final void SizeChange(final int width, final int height) {
- Scheduler.add(new Message() { public void perform() {
- if (width == root.width && height == root.height) return;
- root.set(root.REFLOW);
- do { abort = false; root.reflow(width, height); } while(abort);
- }});
+ if (pendingWidth == width && pendingHeight == height) return;
+ pendingWidth = width;
+ pendingHeight = height;
+ syncRootBoxToSurface = true;
abort = true;
+ Scheduler.renderAll();
}
+ // FEATURE: can we avoid creating objects here?
protected final void PosChange(final int x, final int y) {
- Scheduler.add(new Message() { public void perform() {
+ Scheduler.add(new Scheduler.Task() { public void perform() throws JSExn {
root.x = x;
root.y = y;
- root.putAndTriggerJSTraps("PosChange", Boolean.TRUE);
+ root.putAndTriggerTrapsAndCatchExceptions("PosChange", T);
}});
}
- 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() {
- Scheduler.add(new Scheduler.Task() { public void perform() {
- renderAll();
- }}); }
-
- public static void renderAll() {
- for(int i=0; i<allSurfaces.size(); i++)
- ((Surface)allSurfaces.elementAt(i)).render();
- }
+ 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() { } }); }
public final void setMaximized(boolean b) { if (b != maximized) _setMaximized(maximized = b); }
public final void setMinimized(boolean b) { if (b != minimized) _setMinimized(minimized = b); }
/** Indicates that the Surface is no longer needed */
public final void dispose(boolean quitIfAllSurfacesGone) {
- if (Log.on) Log.log(this, "disposing " + this);
+ if (Log.on) Log.info(this, "disposing " + this);
allSurfaces.removeElement(this);
_dispose();
if (allSurfaces.size() == 0) {
- if (Log.on) Log.log(this, "exiting because last surface was destroyed");
+ if (Log.on) Log.info(this, "exiting because last surface was destroyed");
System.exit(0);
}
}
}
public static Surface fromBox(Box b) {
+ // FIXME use a hash table here
for(int i=0; i<allSurfaces.size(); i++) {
Surface s = (Surface)allSurfaces.elementAt(i);
if (s.root == b) return s;
public Surface(Box root) {
this.root = root;
+ root.setMaxWidth(JS.N(Math.min(Platform.getScreenWidth(), root.maxwidth)));
+ root.setMaxHeight(JS.N(Math.min(Platform.getScreenHeight(), root.maxheight)));
Surface old = fromBox(root);
if (old != null) old.dispose(false);
- else root.remove();
-
- // make sure the root is properly sized
- do { abort = false; root.reflow(root.width, root.height); } while(abort);
-
- root.dirty();
+ else root.removeSelf();
Refresh();
}
// make sure the root is properly sized
do {
abort = false;
- root.reflow(root.width, root.height);
+ root.repack();
+ if (syncRootBoxToSurface) {
+ root.setMaxWidth(JS.N(pendingWidth));
+ root.setMaxHeight(JS.N(pendingHeight));
+ syncRootBoxToSurface = false;
+ }
+ if (root.maxwidth != root.width || root.maxheight != root.height) {
+ // dirty the place where the scar used to be and where it is now
+ dirty(0, root.height - Main.scarImage.height, Main.scarImage.width, Main.scarImage.height);
+ dirty(0, root.maxheight - Main.scarImage.height, Main.scarImage.width, Main.scarImage.height);
+ }
+ root.resize(root.x, root.y, root.maxwidth, root.maxheight);
+ root.resize_children();
setSize(root.width, root.height);
- // update mouseinside and trigger Enter/Leave as a result of box size/position changes
String oldcursor = cursor;
cursor = "default";
- root.Move(mousex, mousey, mousex, mousey);
+ root.putAndTriggerTrapsAndCatchExceptions("_Move", JS.T);
if (!cursor.equals(oldcursor)) syncCursor();
} while(abort);
- //Box.sizePosChangesSinceLastRender = 0;
int[][] dirt = dirtyRegions.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, this, identity);
- drawPicture(Main.scarImage,
- 0, root.height - Main.scarImage.getHeight(),
- x, y, w, h);
+ 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 (abort) {
-
// x,y,w,h is only partially reconstructed, so we must be careful not to re-blit it
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)
dirtyRegions.dirty(dirt[j][0], dirt[j][1], dirt[j][2], dirt[j][3]);
-
- // tail-recurse
- render();
return;
}
}
}
// FEATURE: reinstate recycler
- public class SimpleMessage extends Message {
+ public class Message implements Scheduler.Task {
private Box boxContainingMouse;
private Object value;
public String name;
- SimpleMessage(String name, Object value, Box boxContainingMouse) {
+ Message(String name, Object value, Box boxContainingMouse) {
this.boxContainingMouse = boxContainingMouse;
this.name = name;
this.value = value;
Scheduler.add(this);
}
- public void perform() { boxContainingMouse.putAndTriggerJSTraps(name, value); }
- public String toString() { return "SimpleMessage [name=" + name + ", value=" + value + "]"; }
-
+ public void perform() {
+ if (name.equals("_KeyPressed")) {
+ String value = (String)this.value;
+ if (value.toLowerCase().endsWith("shift")) shift = true; else if (shift) value = value.toUpperCase();
+ if (value.toLowerCase().equals("alt")) alt = true; else if (alt) value = "A-" + value;
+ if (value.toLowerCase().endsWith("control")) control = true; else if (control) value = "C-" + value;
+ if (value.equals("C-v") || value.equals("A-v")) Platform.clipboardReadEnabled = true;
+ this.value = value;
+ } else if (name.equals("_KeyReleased")) {
+ String value = (String)this.value;
+ if (value.toLowerCase().equals("alt")) alt = false;
+ else if (value.toLowerCase().equals("control")) control = false;
+ else if (value.toLowerCase().equals("shift")) shift = false;
+ this.value = value;
+ }
+ try {
+ boxContainingMouse.putAndTriggerTrapsAndCatchExceptions(name, value);
+ } finally {
+ Platform.clipboardReadEnabled = false;
+ }
+ }
+ public String toString() { return "Message [name=" + name + ", value=" + value + "]"; }
}
backbuffer.drawPicture(source, dx, dy, cx1, cy1, cx2, cy2);
}
- public void drawPictureAlphaOnly(Picture source, int dx, int dy, int cx1, int cy1, int cx2, int cy2, int argb) {
+ public void drawGlyph(Font.Glyph source, int dx, int dy, int cx1, int cy1, int cx2, int cy2, int argb) {
screenDirtyRegions.dirty(cx1, cy1, cx2 - cx1, cy2 - cy1);
- backbuffer.drawPictureAlphaOnly(source, dx, dy, cx1, cy1, cx2, cy2, argb);
+ backbuffer.drawGlyph(source, dx, dy, cx1, cy1, cx2, cy2, argb);
}
- public void fillJSTrapezoid(int x1, int x2, int y1, int x3, int x4, int y2, int color) {
+ public void fillTrapezoid(int x1, int x2, int y1, int x3, int x4, int y2, int color) {
screenDirtyRegions.dirty(Math.min(x1, x3), y1, Math.max(x2, x4) - Math.min(x1, x3), y2 - y1);
- backbuffer.fillJSTrapezoid(x1, x2, y1, x3, x4, y2, color); }
+ backbuffer.fillTrapezoid(x1, x2, y1, x3, x4, y2, color);
+ }
public void render() {
super.render();
- render_();
- }
-
- public void render_() {
+ if (abort) return;
int[][] dirt = screenDirtyRegions.flush();
for(int i = 0; dirt != null && i < dirt.length; i++) {
if (dirt[i] == null) continue;
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 (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);
- Refresh();
+ 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);
}
/** copies a region from the doublebuffer to this surface */
projects / org.ibex.core.git / blobdiff