* SizeChanges trigger an Surface.abort; if rendering were done in the same
* pass, rendering work done prior to the Surface.abort would be wasted.
*/
-public abstract class Box extends JSScope implements JSTrap.JSTrappable {
+public final class Box extends JSScope {
// Macros //////////////////////////////////////////////////////////////////////
private String text = null;
private Font font = null;
- private Picture texture;
+ private Picture.Holder texture;
private short strokewidth = 1;
private int fillcolor = 0x00000000;
private int strokecolor = 0xFF000000;
// FEATURE: use cx2/cy2 format
/** Adds the intersection of (x,y,w,h) and the node's current actual geometry to the Surface's dirty list */
- public final void dirty() { dirty(0, 0, width, height); }
- public final void dirty(int x, int y, int w, int h) {
+ public void dirty() { dirty(0, 0, width, height); }
+ public void dirty(int x, int y, int w, int h) {
for(Box cur = this; cur != null; cur = cur.parent) {
if (!cur.test(NOCLIP)) {
w = min(x + w, cur.width) - max(x, 0);
}
}
- // fixme
- public void putAndTriggerJSTraps(Object key, Object value) {
- put(key, value);
- }
-
/** update MOUSEINSIDE, check for Enter/Leave/Move */
void Move(int oldmousex, int oldmousey, int mousex, int mousey) { Move(oldmousex, oldmousey, mousex, mousey, false); }
void Move(int oldmousex, int oldmousey, int mousex, int mousey, boolean forceleave) {
if (!wasinside && !isinside) return;
if (isinside && test(CURSOR)) Surface.fromBox(getRoot()).cursor = (String)boxToCursor.get(this);
- if (!wasinside && isinside && getTrap("Enter") != null) putAndTriggerJSTraps("Enter", T);
- else if (wasinside && !isinside && getTrap("Leave") != null) putAndTriggerJSTraps("Leave", T);
+ if (!wasinside && isinside && getTrap("Enter") != null) putAndTriggerTraps("Enter", T);
+ else if (wasinside && !isinside && getTrap("Leave") != null) putAndTriggerTraps("Leave", T);
else if (wasinside && isinside && (mousex != oldmousex || mousey != oldmousey) && getTrap("Move")!= null)
- putAndTriggerJSTraps("Move", T);
- for(Box b = getChild(numchildren - 1); b != null; b = b.prevSibling()) {
+ putAndTriggerTraps("Move", T);
+ for(Box b = getChild(treeSize() - 1); b != null; b = b.prevSibling()) {
b.Move(oldmousex - b.x, oldmousey - b.y, mousex - b.x, mousey - b.y, forceleave);
if (b.inside(mousex - b.x, mousey - b.y)) forceleave = true;
}
private static LENGTH[] rowMaxHeight = new LENGTH[65535];
static { for(int i=0; i<rowMaxHeight.length; i++) { rowMaxHeight[i] = MAX_LENGTH; colMaxWidth[i] = MAX_LENGTH; } }
- final Box nextPackedSibling() { Box b = nextSibling(); return b == null || (b.test(PACKED | VISIBLE)) ? b : b.nextPackedSibling(); }
- final Box firstPackedChild() { Box b = getChild(0); return b == null || (b.test(PACKED | VISIBLE)) ? b : b.nextPackedSibling(); }
+ Box nextPackedSibling() { Box b = nextSibling(); return b == null || (b.test(PACKED | VISIBLE)) ? b : b.nextPackedSibling(); }
+ Box firstPackedChild() { Box b = getChild(0); return b == null || (b.test(PACKED | VISIBLE)) ? b : b.nextPackedSibling(); }
/** only for use on the root box */
void reflow(int new_width, int new_height) {
if (test(FIXED) == COLS) {
short r = 0;
for(Box child = firstPackedChild(); child != null; r++) {
- for(short col=0, numclear=0; child != null && col < cols;) {
- if (numRowsInCol[col] > r) continue;
- if (col != 0 && col + min(cols, child.colspan) > cols) break;
+ for(short c=0, numclear=0; child != null && c < cols; c++) {
+ if (numRowsInCol[c] > r) { numclear = 0; continue; }
+ if (c != 0 && c + min(cols, child.colspan) - numclear > cols) break;
if (++numclear < min(cols, child.colspan)) continue;
- for(int i=col - numclear + 1; i <= col; i++) numRowsInCol[i] += child.rowspan;
- child.col = col; child.row = r;
+ for(int i=c - numclear + 1; i <= c; i++) numRowsInCol[i] += child.rowspan;
+ child.col = (short)(c - numclear + 1); child.row = r;
rows = (short)max(rows, child.row + child.rowspan);
child = child.nextPackedSibling();
+ numclear = 0;
}
}
for(int i=0; i<cols; i++) numRowsInCol[i] = 0;
for(Box child = firstPackedChild(); child != null; child = child.nextPackedSibling())
colWidth[child.col] = max(colWidth[child.col], child.contentwidth / child.colspan);
for(int i=0; i<cols; i++) { contentwidth += colWidth[i]; colWidth[i] = 0; }
-
contentwidth = bound(minwidth, max(font == null || text == null ? 0 : font.textwidth(text), contentwidth), maxwidth);
//#end
}
boolean poschange = (this.x != x || this.y != y) && getTrap("PosChange") != null;
this.width = width; this.height = height; this.x = x; this.y = y;
dirty();
- try { if (sizechange) putAndTriggerJSTraps("SizeChange", T); /*Surface.abort = true;*/ }
+ try { if (sizechange) putAndTriggerTraps("SizeChange", T); /*Surface.abort = true;*/ }
catch (Exception e) { Log.log(this, e); }
- try { if (poschange) putAndTriggerJSTraps("PosChange", T); /*Surface.abort = true;*/ }
+ try { if (poschange) putAndTriggerTraps("PosChange", T); /*Surface.abort = true;*/ }
catch (Exception e) { Log.log(this, e); }
}
}
// colWidth/rowHeight child_width/child_height ALIGN_RIGHT/ALIGN_BOTTOM ALIGN_LEFT/ALIGN_TOP
unbounded = 0;
for(int i = child.col; i < child.col + child.colspan; i++) unbounded += colWidth[i];
- child_width = bound(child.contentwidth, unbounded, child.test(HSHRINK) ? child.contentwidth : child.maxwidth);
+ child_width = min(unbounded, child.test(HSHRINK) ? child.contentwidth : child.maxwidth);
child_x = test(ALIGN_RIGHT) ? x_slack : test(ALIGN_LEFT) ? 0 : x_slack / 2;
for(int i=0; i < child.col; i++) child_x += colWidth[i];
if (child_width > unbounded) child_x -= (child_width - unbounded) / 2;
if ((fillcolor & 0xFF000000) != 0x00000000)
buf.fillTrapezoid(globalx, globalx + width, globaly, globalx, globalx + width, globaly + height, fillcolor);
- if (texture != null)
- for(int x = globalx; x < cx2; x += texture.getWidth())
- for(int y = globaly; y < cy2; y += texture.getHeight())
- buf.drawPicture(texture, x, y, cx1, cy1, cx2, cy2);
+ if (texture != null && texture.picture != null)
+ for(int x = globalx; x < cx2; x += texture.picture.getWidth())
+ for(int y = globaly; y < cy2; y += texture.picture.getHeight())
+ buf.drawPicture(texture.picture, x, y, cx1, cy1, cx2, cy2);
if (text != null && !text.equals("") && font != null)
if (font.rasterizeGlyphs(text, buf, strokecolor, globalx, globaly, cx1, cy1, cx2, cy2, null) == -1)
public int localToGlobalX(int x) { return parent == null ? x : parent.globalToLocalX(x + this.x); }
public int localToGlobalY(int y) { return parent == null ? y : parent.globalToLocalY(y + this.y); }
- public Object call(Object method, JSArray args) throws JS.Exn {
- if (!"indexof".equals(method)) return null;
- Box b = (Box)args.elementAt(0);
- if (b.parent != this) return (redirect == null || redirect == this) ? N(-1) : redirect.call(method, args);
+ public Object callMethod(Object method, Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
+ if (nargs != 1 || !"indexof".equals(method)) return super.callMethod(method, a0, a1, a2, rest, nargs);
+ Box b = (Box)a0;
+ if (b.parent != this)
+ return (redirect == null || redirect == this) ?
+ N(-1) :
+ redirect.callMethod(method, a0, a1, a2, rest, nargs);
return N(b.getIndexInParent());
}
- /** to be filled in by the Tree implementation */
- abstract void put(int i, Object value);
- public int numchildren = 0;
- abstract public int getIndexInParent();
- abstract public Box getChild(int i);
- abstract public Box nextSibling();
- abstract public Box prevSibling();
- abstract public void remove();
- abstract Box swapPosition(Box x, Box y);
-
- public Object get(Object name) { return get(name, false); }
- public Object get(Object name, boolean ignoretraps) {
+ public Enumeration keys() { throw new Error("you cannot apply for..in to a " + this.getClass().getName()); }
+
+ protected boolean isTrappable() { return true; }
+ public Object get(Object name) throws JSExn {
if (name instanceof Number)
return redirect == null ? null : redirect == this ? getChild(toInt(name)) : redirect.get(name);
//#switch(name)
+ case "indexof": return METHOD;
case "text": return text;
- case "path": throw new JS.Exn("cannot read from the path property");
+ case "path": throw new JSExn("cannot read from the path property");
case "fill": return colorToString(fillcolor);
case "strokecolor": return colorToString(strokecolor);
case "textcolor": return colorToString(strokecolor);
case "mousex": { Surface s = getSurface(); return N(s == null ? 0 : globalToLocalX(s.mousex)); }
case "mousey": { Surface s = getSurface(); return N(s == null ? 0 : globalToLocalY(s.mousey)); }
case "mouseinside": return B(test(MOUSEINSIDE));
- case "numchildren": return redirect == null ? N(0) : redirect == this ? N(numchildren) : redirect.get("numchildren");
+ case "numchildren": return redirect == null ? N(0) : redirect == this ? N(treeSize()) : redirect.get("numchildren");
case "minwidth": return N(minwidth);
case "maxwidth": return N(maxwidth);
case "minheight": return N(minheight);
case "Minimized": if (parent == null && getSurface() != null) return B(getSurface().minimized);
default: return super.get(name);
//#end
- return null;
+ throw new Error("unreachable"); // unreachable
}
- public void put(Object name, Object value) { put(name, value, false); }
- public void put(Object name, Object value, boolean ignoretraps) {
+ public void put(Object name, Object value) throws JSExn {
if (name instanceof Number) { put(toInt(name), value); return; }
-
//#switch(name)
case "text": CHECKSET_STRING(text); MARK_RESIZE; dirty();
case "strokecolor": value = N(stringToColor((String)value)); CHECKSET_INT(strokecolor); MARK_RESIZE; dirty();
case "textcolor": value = N(stringToColor((String)value)); CHECKSET_INT(strokecolor); MARK_RESIZE; dirty();
case "text": CHECKSET_STRING(text); MARK_RESIZE; dirty();
case "strokewidth": CHECKSET_SHORT(strokewidth); dirty();
- case "thisbox": if (value == null) remove();
case "shrink": put("hshrink", value); put("vshrink", value);
case "hshrink": CHECKSET_FLAG(HSHRINK); MARK_RESIZE;
case "vshrink": CHECKSET_FLAG(VSHRINK); MARK_RESIZE;
case "maxheight": CHECKSET_INT(maxheight); MARK_RESIZE;
case "minheight": CHECKSET_INT(minheight); MARK_RESIZE;
case "colspan": CHECKSET_SHORT(colspan); MARK_REPACK_parent;
- case "rowspan": CHECKSET_SHORT(colspan); MARK_REPACK_parent;
+ case "rowspan": CHECKSET_SHORT(rowspan); MARK_REPACK_parent;
case "rows": CHECKSET_SHORT(rows); if (rows==0){set(FIXED, COLS);if(cols==0)cols=1;} else set(FIXED, ROWS); MARK_REPACK;
case "cols": CHECKSET_SHORT(cols); if (cols==0){set(FIXED, ROWS);if(rows==0)rows=1;} else set(FIXED, COLS); MARK_REPACK;
case "noclip": CHECKSET_FLAG(NOCLIP); if (parent == null) dirty(); else parent.dirty();
case "redirect": if (redirect == this) redirect = (Box)value; else Log.log(this, "redirect can only be set once");
case "font": font = value == null ? null : Font.getFont((Res)value, font == null ? 10 : font.pointsize); MARK_RESIZE; dirty();
case "fontsize": font = Font.getFont(font == null ? null : font.res, toInt(value)); MARK_RESIZE; dirty();
- case "x": if (test(PACKED) && parent != null) return; CHECKSET_INT(x); dirty(); MARK_RESIZE; dirty();
- case "y": if (test(PACKED) && parent != null) return; CHECKSET_INT(y); dirty(); MARK_RESIZE; dirty();
- case "KeyPressed": // prevent stuff from hitting the Hash
- case "KeyReleased": // prevent stuff from hitting the Hash
- case "PosChange": // prevent stuff from hitting the Hash
- case "SizeChange": // prevent stuff from hitting the Hash
- case "childadded": // prevent stuff from hitting the Hash
- case "childremoved": // prevent stuff from hitting the Hash
+ case "x": if (parent==null && Surface.fromBox(this)!=null) { CHECKSET_INT(x); } else { if (test(PACKED) && parent != null) return; CHECKSET_INT(x); dirty(); MARK_RESIZE; dirty(); }
+ case "y": if (parent==null && Surface.fromBox(this)!=null) { CHECKSET_INT(y); } else { if (test(PACKED) && parent != null) return; CHECKSET_INT(y); dirty(); MARK_RESIZE; dirty(); }
+ case "KeyPressed": return; // prevent stuff from hitting the Hash
+ case "KeyReleased": return; // prevent stuff from hitting the Hash
+ case "PosChange": return; // prevent stuff from hitting the Hash
+ case "SizeChange": return; // prevent stuff from hitting the Hash
+ case "childadded": return; // prevent stuff from hitting the Hash
+ case "childremoved": return; // prevent stuff from hitting the Hash
+ case "thisbox": {
+ if (value != null) break;
+ if (parent != null) { parent.removeChild(parent.indexNode(this)); return; }
+ Surface surface = Surface.fromBox(this);
+ if (surface != null) surface.dispose(true);
+ }
+ default: super.put(name, value);
//#end
}
if (value == null) return;
if (value instanceof String) {
// FIXME check double set
- fillcolor = stringToColor((String)value);
+ int newfillcolor = stringToColor((String)value);
+ if (newfillcolor == fillcolor) return;
+ fillcolor = newfillcolor;
+ dirty();
+ return;
}
if (!(value instanceof Res)) return;
- Picture pic = Picture.fromRes((Res)value, null);
- if (pic != null) {
- texture = pic;
- minwidth = texture.getWidth();
- minheight = texture.getHeight();
+ texture = Picture.fromRes((Res)value, null);
+ if (texture != null) {
+ minwidth = texture.picture.getWidth();
+ minheight = texture.picture.getHeight();
MARK_REFLOW;
dirty();
- } else Picture.fromRes((Res)value, new Callback() { public Object call(Object arg) {
- texture = (Picture)arg;
- minwidth = texture.getWidth();
- minheight = texture.getHeight();
+ return;
+ }
+ texture = Picture.fromRes((Res)value, new Scheduler.Task() { public void perform() {
+ minwidth = texture.picture.getWidth();
+ minheight = texture.picture.getHeight();
Box b = Box.this; MARK_REFLOW_b;
dirty();
- return null;
} });
}
int mousex = globalToLocalX(surface.mousex);
int mousey = globalToLocalY(surface.mousey);
for(Box c = prevSibling(); c != null; c = c.prevSibling())
- if (c.inside(mousex - c.x, mousey - c.y)) { c.putAndTriggerJSTraps(name, value); return; }
- if (parent != null) parent.putAndTriggerJSTraps(name, value);
+ if (c.inside(mousex - c.x, mousey - c.y)) { c.putAndTriggerTraps(name, value); return; }
+ if (parent != null) parent.putAndTriggerTraps(name, value);
}
private static int stringToColor(String s) {
if (!cur.test(VISIBLE)) return null;
if (!cur.inside(x - globalx, y - globaly)) return cur.parent == null ? cur : null;
OUTER: while(true) {
- for(int i=cur.numchildren - 1; i>=0; i--) {
+ for(int i=cur.treeSize() - 1; i>=0; i--) {
Box child = cur.getChild(i);
if (child == null) continue; // since this method is unsynchronized, we have to double-check
globalx += child.x;
// Trivial Helper Methods (should be inlined) /////////////////////////////////////////
- static final short min(short a, short b) { if (a<b) return a; else return b; }
- static final int min(int a, int b) { if (a<b) return a; else return b; }
- static final float min(float a, float b) { if (a<b) return a; else return b; }
+ static short min(short a, short b) { if (a<b) return a; else return b; }
+ static int min(int a, int b) { if (a<b) return a; else return b; }
+ static float min(float a, float b) { if (a<b) return a; else return b; }
- static final short max(short a, short b) { if (a>b) return a; else return b; }
- static final int max(int a, int b) { if (a>b) return a; else return b; }
- static final float max(float a, float b) { if (a>b) return a; else return b; }
+ static short max(short a, short b) { if (a>b) return a; else return b; }
+ static int max(int a, int b) { if (a>b) return a; else return b; }
+ static float max(float a, float b) { if (a>b) return a; else return b; }
- static final int min(int a, int b, int c) { if (a<=b && a<=c) return a; else if (b<=c && b<=a) return b; else return c; }
- static final int max(int a, int b, int c) { if (a>=b && a>=c) return a; else if (b>=c && b>=a) return b; else return c; }
- static final int bound(int a, int b, int c) { if (c < b) return c; if (a > b) return a; return b; }
+ static int min(int a, int b, int c) { if (a<=b && a<=c) return a; else if (b<=c && b<=a) return b; else return c; }
+ static int max(int a, int b, int c) { if (a>=b && a>=c) return a; else if (b>=c && b>=a) return b; else return c; }
+ static int bound(int a, int b, int c) { if (c < b) return c; if (a > b) return a; return b; }
final boolean inside(int x, int y) { return test(VISIBLE) && x >= 0 && y >= 0 && x < width && y < height; }
- protected final void set(int mask) { flags |= mask; }
- protected final void set(int mask, boolean setclear) { if (setclear) set(mask); else clear(mask); }
- protected final void clear(int mask) { flags &= ~mask; }
- protected final boolean test(int mask) { return ((flags & mask) == mask); }
+ void set(int mask) { flags |= mask; }
+ void set(int mask, boolean setclear) { if (setclear) set(mask); else clear(mask); }
+ void clear(int mask) { flags &= ~mask; }
+ boolean test(int mask) { return ((flags & mask) == mask); }
- protected Box left = null;
- protected Box right = null;
- protected Box rootChild = null;
- protected Box peerTree_parent = null;
- public abstract Box peerTree_leftmost();
- public abstract Box peerTree_rightmost();
- public abstract Box insertBeforeMe(Box cell);
- public abstract Box insertAfterMe(Box cell);
- protected abstract Box fixAfterInsertion();
- protected abstract Box fixAfterDeletion();
- protected abstract Box rotateLeft();
- protected abstract Box rotateRight();
- protected abstract int numPeerChildren();
+
+ // Tree Handling //////////////////////////////////////////////////////////////////////
+
+ public final int getIndexInParent() { return parent == null ? 0 : parent.indexNode(this); }
+ public final Box nextSibling() { return parent == null ? null : parent.getChild(parent.indexNode(this) + 1); }
+ public final Box prevSibling() { return parent == null ? null : parent.getChild(parent.indexNode(this) - 1); }
+ public final Box getChild(int i) {
+ if (i < 0) return null;
+ if (i >= treeSize()) return null;
+ return (Box)getNode(i);
+ }
+
+ // Tree Manipulation /////////////////////////////////////////////////////////////////////
+
+ /** remove the i^th child */
+ public void removeChild(int i) {
+ Box b = getChild(i);
+ MARK_REFLOW_b;
+ b.dirty();
+ b.clear(MOUSEINSIDE);
+ deleteNode(i);
+ b.parent = null;
+ MARK_REFLOW;
+ putAndTriggerTraps("childremoved", b);
+ }
+
+ public void put(int i, Object value) throws JSExn {
+ if (i < 0) return;
+
+ if (value != null && !(value instanceof Box)) {
+ if (Log.on) Log.logJS(this, "attempt to set a numerical property on a box to a non-box");
+ return;
+ }
+
+ if (redirect == null) {
+ if (value == null) putAndTriggerTraps("childremoved", getChild(i));
+ else Log.logJS(this, "attempt to add/remove children to/from a node with a null redirect");
+
+ } else if (redirect != this) {
+ if (value != null) putAndTriggerTraps("childadded", value);
+ redirect.put(i, value);
+ if (value == null) {
+ Box b = (Box)redirect.get(new Integer(i));
+ if (b != null) putAndTriggerTraps("childremoved", b);
+ }
+
+ } else if (value == null) {
+ if (i < 0 || i > treeSize()) return;
+ Box b = getChild(i);
+ removeChild(i);
+ putAndTriggerTraps("childremoved", b);
+
+ } else {
+ Box b = (Box)value;
+
+ // check if box being moved is currently target of a redirect
+ for(Box cur = b.parent; cur != null; cur = cur.parent)
+ if (cur.redirect == b) {
+ if (Log.on) Log.logJS(this, "attempt to move a box that is the target of a redirect");
+ return;
+ }
+
+ // check for recursive ancestor violation
+ for(Box cur = this; cur != null; cur = cur.parent)
+ if (cur == b) {
+ if (Log.on) Log.logJS(this, "attempt to make a node a parent of its own ancestor");
+ if (Log.on) Log.log(this, "box == " + this + " ancestor == " + b);
+ return;
+ }
+
+ if (b.parent != null) b.parent.removeChild(b.parent.indexNode(b));
+ insertNode(i, b);
+ b.parent = this;
+
+ // need both of these in case child was already uncalc'ed
+ MARK_REFLOW_b;
+ MARK_REFLOW;
+
+ b.dirty();
+ putAndTriggerTraps("childadded", b);
+ }
+ }
+
+
+ public final void putAndTriggerTraps(Object key, Object value) {
+ try {
+ super.putAndTriggerTraps(key, value);
+ } catch (JSExn jse) {
+ Log.logJS("attempt to put value " + value + " to key " + key + " on a box triggered a trap which threw:");
+ Log.logJS(jse);
+ }
+ }
+
+ public final Object getAndTriggerTraps(Object key) {
+ try {
+ return super.getAndTriggerTraps(key);
+ } catch (JSExn jse) {
+ Log.logJS("attempt to get key " + key + " on a box triggered a trap which threw:");
+ Log.logJS(jse);
+ return null;
+ }
+ }
}