* 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 final class Box extends JSScope {
+public final class Box extends JSScope implements Scheduler.Task {
// Macros //////////////////////////////////////////////////////////////////////
//#define CHECKSET_BOOLEAN(prop) boolean nu = toBoolean(value); if (nu == prop) break; prop = nu;
//#define CHECKSET_STRING(prop) if ((value==null&&prop==null)||(value!=null&&value.equals(prop))) break; prop=(String)value;
+ void mark_for_repack() { MARK_REPACK; }
+
protected Box() { super(null); }
static Hash boxToCursor = new Hash(500, 3);
public static final int MAX_LENGTH = Integer.MAX_VALUE;
+ static final Font DEFAULT_FONT;
+
+ static {
+ Font f = null;
+ try { f = Font.getFont((Stream)Main.builtin.get("fonts/vera/Vera.ttf"), 10); }
+ catch(JSExn e) { Log.info(Box.class, "should never happen: "+e); }
+ DEFAULT_FONT = f;
+ }
+
+ // FIXME update these
+ // box properties can not be trapped
+ static final String[] props = new String[] {
+ "shrink", "hshrink", "vshrink", "x", "y", "width", "height", "cols", "rows",
+ "colspan", "rowspan", "align", "visible", "packed", "globalx", "globaly",
+ "minwidth", "maxwidth", "minheight", "maxheight", "indexof", "thisbox", "clip",
+ "numchildren", "redirect", "cursor", "mouse"
+ };
+
+ // FIXME update these
+ // events can have write traps, but not read traps
+ static final String[] events = new String[] {
+ "Press1", "Press2", "Press3",
+ "Release1", "Release2", "Release3",
+ "Click1", "Click2", "Click3",
+ "DoubleClick1", "DoubleClick2", "DoubleClick3",
+ "Enter", "Leave", "Move",
+ "KeyPressed", "KeyReleased", "PosChange", "SizeChange",
+ "childadded", "childremoved",
+ "Focused", "Maximized", "Minimized", "Close",
+ "icon", "titlebar", "toback", "tofront"
+ };
// Flags //////////////////////////////////////////////////////////////////////
static final int ALIGN_RIGHT = 0x00008000;
static final int ALIGNS = 0x0000f000;
static final int CURSOR = 0x00010000; // if true, this box has a cursor in the cursor hash; FEATURE: GC issues?
- static final int NOCLIP = 0x00020000;
+ static final int CLIP = 0x00020000;
+ static final int STOP_UPWARD_PROPAGATION = 0x00040000;
// Instance Data //////////////////////////////////////////////////////////////////////
Box parent = null;
Box redirect = this;
- int flags = VISIBLE | PACKED | REPACK | REFLOW | RESIZE | FIXED /* ROWS */;
+ int flags = VISIBLE | PACKED | REPACK | REFLOW | RESIZE | FIXED /* ROWS */ | STOP_UPWARD_PROPAGATION | CLIP;
private String text = null;
- private Font font = null;
- private Picture.Holder texture;
+ private Font font = DEFAULT_FONT;
+ private Picture texture = null;
private short strokewidth = 1;
- private int fillcolor = 0x00000000;
+ public int fillcolor = 0x00000000;
private int strokecolor = 0xFF000000;
+ private int aspect = 0;
+
// specified directly by user
public LENGTH minwidth = 0;
public LENGTH maxwidth = MAX_LENGTH;
// Instance Methods /////////////////////////////////////////////////////////////////////
+
+ /** invoked when a resource needed to render ourselves finishes loading */
+ public void perform() throws JSExn {
+
+ // FIXME; we can't assume that just because we were performed the image is loaded.
+ // as external events have occured, check the state of box
+ if (texture != null) {
+ if (texture.isLoaded) { minwidth = min(texture.width, maxwidth); minheight = min(texture.height, maxheight); }
+ else { Stream res = texture.res; texture = null; throw new JSExn("image not found: "+res); }
+ }
+
+ MARK_REPACK;
+ MARK_REFLOW;
+ MARK_RESIZE;
+ dirty();
+ }
+
public Box getRoot() { return parent == null ? this : parent.getRoot(); }
public Surface getSurface() { return Surface.fromBox(getRoot()); }
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)) {
+ // x and y have a different meaning on the root box
+ if (cur.parent != null && cur.test(CLIP)) {
w = min(x + w, cur.width) - max(x, 0);
h = min(y + h, cur.height) - max(y, 0);
x = max(x, 0);
}
}
- /** 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) {
- boolean wasinside = test(MOUSEINSIDE);
- boolean isinside = test(VISIBLE) && inside(mousex, mousey) && !forceleave;
- if (isinside) set(MOUSEINSIDE); else clear(MOUSEINSIDE);
- if (!wasinside && !isinside) return;
-
- if (isinside && test(CURSOR)) Surface.fromBox(getRoot()).cursor = (String)boxToCursor.get(this);
- 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)
- putAndTriggerTraps("Move", T);
- for(Box b = getChild(numchildren - 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;
- }
- }
-
// Reflow ////////////////////////////////////////////////////////////////////////////////////////
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) {
- repack();
- /*
- new_width = bound(max(contentwidth, minwidth), new_width, test(HSHRINK) ? max(contentwidth, minwidth) : maxwidth);
- new_height = bound(max(contentheight, minheight), new_height, test(VSHRINK) ? max(contentheight, minheight) : maxheight);
- */
- resize(x, y, new_width, new_height);
- resize_children();
- }
-
/** pack the boxes into rows and columns; also computes contentwidth */
void repack() {
for(Box child = getChild(0); child != null; child = child.nextSibling()) child.repack();
short r = 0;
for(Box child = firstPackedChild(); child != null; r++) {
for(short c=0, numclear=0; child != null && c < cols; c++) {
- if (numRowsInCol[c] > r) continue;
+ 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=c - numclear + 1; i <= c; i++) numRowsInCol[i] += child.rowspan;
//#end
}
- private void resize(LENGTH x, LENGTH y, LENGTH width, LENGTH height) {
- // FEATURE reimplement, but we're destroying this
+ void resize(LENGTH x, LENGTH y, LENGTH width, LENGTH height) {
if (x != this.x || y != this.y || width != this.width || height != this.height) {
- (parent == null ? this : parent).dirty(this.x, this.y, this.width, this.height);
boolean sizechange = (this.width != width || this.height != height) && getTrap("SizeChange") != null;
boolean poschange = (this.x != x || this.y != y) && getTrap("PosChange") != null;
+ do {
+ int thisx = parent == null ? 0 : this.x;
+ int thisy = parent == null ? 0 : this.y;
+
+ // we can't reenable this until we track
+ // surface-relative sizes; imagine the case of a clear
+ // surface with nonclear children
+
+ /*
+ if (texture == null && (text == null || text.equals(""))) {
+ if ((fillcolor & 0xff000000) == 0) break;
+ // FEATURE: more optimizations here
+ if (this.x == x && this.y == y) {
+ Box who = (parent == null ? this : parent);
+ who.dirty(thisx+min(this.width,width), thisy, Math.abs(width-this.width), max(this.height, height));
+ who.dirty(thisx, thisy+min(this.height,height), min(this.width, width), Math.abs(height-this.height));
+ break;
+ }
+ }
+ */
+ (parent == null ? this : parent).dirty(thisx, thisy, this.width, this.height);
+ this.width = width; this.height = height; this.x = x; this.y = y;
+ dirty();
+ } while (false);
this.width = width; this.height = height; this.x = x; this.y = y;
- dirty();
- try { if (sizechange) putAndTriggerTraps("SizeChange", T); /*Surface.abort = true;*/ }
- catch (Exception e) { Log.log(this, e); }
- try { if (poschange) putAndTriggerTraps("PosChange", T); /*Surface.abort = true;*/ }
- catch (Exception e) { Log.log(this, e); }
+ if (sizechange) putAndTriggerTrapsAndCatchExceptions("SizeChange", T);
+ if (poschange) putAndTriggerTrapsAndCatchExceptions("PosChange", T);
}
}
- private void resize_children() {
+ void resize_children() {
//#repeat col/row colspan/rowspan contentwidth/contentheight x/y width/height colMaxWidth/rowMaxHeight colWidth/rowHeight \
// HSHRINK/VSHRINK maxwidth/maxheight cols/rows minwidth/minheight colWidth/rowHeight x_slack/y_slack
int increment = max(1, x_slack / cols);
startslack = x_slack;
for(short col=0; col < cols; col++) {
- int diff = min(colMaxWidth[col], colWidth[col] + increment) - colWidth[col];
+ // FIXME: double check this
+ int diff = min(min(colMaxWidth[col], colWidth[col] + increment) - colWidth[col], x_slack);
x_slack -= diff;
colWidth[col] += diff;
}
int globaly = parenty + (parent == null ? 0 : y);
// intersect the x,y,w,h rendering window with ourselves; quit if it's empty
- if (!test(NOCLIP)) {
+
+ if (test(CLIP)) {
cx1 = max(cx1, parent == null ? 0 : globalx);
cy1 = max(cy1, parent == null ? 0 : globaly);
cx2 = min(cx2, globalx + width);
if (cx2 <= cx1 || cy2 <= cy1) return;
}
- if ((fillcolor & 0xFF000000) != 0x00000000)
- buf.fillTrapezoid(globalx, globalx + width, globaly, globalx, globalx + width, globaly + height, fillcolor);
+ if ((fillcolor & 0xFF000000) != 0x00000000 || parent == null)
+ buf.fillTrapezoid(cx1, cx2, cy1, cx1, cx2, cy2, (fillcolor & 0xFF000000) == 0 ? 0xffffffff : fillcolor);
- 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);
+ // FIXME: do aspect in here
+ if (texture != null && texture.isLoaded)
+ for(int x = globalx; x < cx2; x += texture.width)
+ for(int y = globaly; y < cy2; y += texture.height)
+ buf.drawPicture(texture, x, y, cx1, cy1, cx2, cy2);
- if (text != null && !text.equals("") && font != null)
+ if (text != null && !text.equals("") && font != null)
if (font.rasterizeGlyphs(text, buf, strokecolor, globalx, globaly, cx1, cy1, cx2, cy2, null) == -1)
- font.rasterizeGlyphs(text, buf, strokecolor, globalx, globaly, cx1, cy1, cx2, cy2,
- new Scheduler.Task() { public void perform() { Box b = Box.this; MARK_REFLOW_b; dirty(); }});
+ font.rasterizeGlyphs(text, buf, strokecolor, globalx, globaly, cx1, cy1, cx2, cy2, this);
for(Box b = getChild(0); b != null; b = b.nextSibling())
b.render(globalx, globaly, cx1, cy1, cx2, cy2, buf, null);
public Enumeration keys() { throw new Error("you cannot apply for..in to a " + this.getClass().getName()); }
- /** to be filled in by the Tree implementation */
- public int numchildren = 0;
+ protected boolean isTrappable(Object key, boolean isRead) {
+ if (key == null) return false;
+ else if (key instanceof String) {
+ // not allowed to trap box properties, and no read traps on events
+ String name = (String)key;
+ for (int i=0; i < props.length; i++) if (name.equals(props[i])) return false;
+ if (isRead) for (int i=0; i < events.length; i++) if (name.equals(events[i])) return false;
+ }
+
+ return true;
+ }
- protected boolean isTrappable() { return true; }
- public Object get(Object name) {
+ 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 "surface": return parent == null ? null : parent.getAndTriggerTraps("surface");
case "indexof": return METHOD;
case "text": return text;
case "path": throw new JSExn("cannot read from the path property");
case "shrink": return B(test(HSHRINK) || test(VSHRINK));
case "hshrink": return B(test(HSHRINK));
case "vshrink": return B(test(VSHRINK));
+ case "aspect": return N(aspect);
case "x": return (parent == null || !test(VISIBLE)) ? N(0) : N(x);
case "y": return (parent == null || !test(VISIBLE)) ? N(0) : N(y);
- case "width": return N(width);
- case "height": return N(height);
case "cols": return test(FIXED) == COLS ? N(cols) : N(0);
case "rows": return test(FIXED) == ROWS ? N(rows) : N(0);
case "colspan": return N(colspan);
case "rowspan": return N(rowspan);
- case "noclip": return B(test(NOCLIP));
+ case "width": return N(width);
+ case "height": return N(height);
+ case "minwidth": return N(minwidth);
+ case "maxwidth": return N(maxwidth);
+ case "minheight": return N(minheight);
+ case "maxheight": return N(maxheight);
+ case "clip": return B(test(CLIP));
case "visible": return B(test(VISIBLE) && (parent == null || (parent.get("visible") == T)));
case "packed": return B(test(PACKED));
case "globalx": return N(localToGlobalX(0));
case "globaly": return N(localToGlobalY(0));
case "cursor": return test(CURSOR) ? boxToCursor.get(this) : null;
- 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 "minwidth": return N(minwidth);
- case "maxwidth": return N(maxwidth);
- case "minheight": return N(minheight);
- case "maxheight": return N(maxheight);
+ case "mouse":
+ if (getSurface() == null) return null;
+ if (getSurface()._mousex == Integer.MAX_VALUE)
+ throw new JSExn("you cannot read from the box.mouse property in background thread context");
+ return new Mouse();
+ case "numchildren": return redirect == null ? N(0) : redirect == this ? N(treeSize()) : redirect.get("numchildren");
case "redirect": return redirect == null ? null : redirect == this ? T : redirect.get("redirect");
case "Minimized": if (parent == null && getSurface() != null) return B(getSurface().minimized);
default: return super.get(name);
throw new Error("unreachable"); // unreachable
}
- public void put(Object name, Object value) {
+ private class Mouse extends JS {
+ public Object get(Object key) {
+ //#switch(key)
+ case "x": return N(globalToLocalX(getSurface()._mousex));
+ case "y": return N(globalToLocalY(getSurface()._mousey));
+
+ // this might not get recomputed if we change mousex/mousey...
+ case "inside": return B(test(MOUSEINSIDE));
+ //#end
+ return null;
+ }
+ }
+
+ void setMaxWidth(Object value) {
+ do { CHECKSET_INT(maxwidth); MARK_RESIZE; } while(false);
+ if (parent == null && getSurface() != null) getSurface().pendingWidth = maxwidth;
+ }
+ void setMaxHeight(Object value) {
+ do { CHECKSET_INT(maxheight); MARK_RESIZE; } while(false);
+ if (parent == null && getSurface() != null) getSurface().pendingHeight = maxheight;
+ }
+
+ 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 "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 "width": if (parent==null&&Surface.fromBox(this)!=null) { CHECKSET_INT(width); } else { put("maxwidth", value); put("minwidth", value); MARK_RESIZE; }
- case "height": if (parent == null&&Surface.fromBox(this)!=null) { CHECKSET_INT(height); } else { put("maxheight", value); put("minheight", value); MARK_RESIZE; }
- case "maxwidth": CHECKSET_INT(maxwidth); MARK_RESIZE;
+ case "width": put("maxwidth", value); put("minwidth", value); MARK_RESIZE;
+ case "height": put("maxheight", value); put("minheight", value); MARK_RESIZE;
+ case "maxwidth": setMaxWidth(value);
case "minwidth": CHECKSET_INT(minwidth); MARK_RESIZE;
- case "maxheight": CHECKSET_INT(maxheight); MARK_RESIZE;
+ case "maxheight": setMaxHeight(value);
case "minheight": CHECKSET_INT(minheight); MARK_RESIZE;
case "colspan": 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 "clip": CHECKSET_FLAG(CLIP); if (parent == null) dirty(); else parent.dirty();
case "visible": CHECKSET_FLAG(VISIBLE); dirty(); MARK_RESIZE; dirty();
case "packed": CHECKSET_FLAG(PACKED); MARK_REPACK_parent;
+ case "aspect": CHECKSET_INT(aspect); dirty();
case "globalx": put("x", N(globalToLocalX(toInt(value))));
case "globaly": put("y", N(globalToLocalY(toInt(value))));
case "align": clear(ALIGNS); setAlign(value == null ? "center" : value); MARK_RESIZE;
case "cursor": setCursor(value);
case "fill": setFill(value);
- case "Press1": mouseEvent("Press1", value);
- case "Press2": mouseEvent("Press2", value);
- case "Press3": mouseEvent("Press3", value);
- case "Release1": mouseEvent("Release1", value);
- case "Release2": mouseEvent("Release2", value);
- case "Release3": mouseEvent("Release3", value);
- case "Click1": mouseEvent("Click1", value);
- case "Click2": mouseEvent("Click2", value);
- case "Click3": mouseEvent("Click3", value);
- case "DoubleClick1": mouseEvent("DoubleClick1", value);
- case "DoubleClick2": mouseEvent("DoubleClick2", value);
- case "DoubleClick3": mouseEvent("DoubleClick3", value);
+ case "mouse":
+ int mousex = toInt(((JS)value).get("x"));
+ int mousey = toInt(((JS)value).get("y"));
+ getSurface()._mousex = localToGlobalX(mousex);
+ getSurface()._mousey = localToGlobalY(mousey);
case "Minimized": if (parent == null && getSurface() != null) getSurface().minimized = toBoolean(value); // FEATURE
case "Maximized": if (parent == null && getSurface() != null) getSurface().maximized = toBoolean(value); // FEATURE
case "Close": if (parent == null && getSurface() != null) getSurface().dispose(true);
- case "toback": if (parent == null && getSurface() != null && toBoolean(value)) { getSurface().toBack(); }
- case "tofront": if (parent == null && getSurface() != null && toBoolean(value)) { getSurface().toFront(); }
- 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 "redirect": if (redirect == this) redirect = (Box)value; else Log.info(this, "redirect can only be set once");
+ case "font":
+ if(!(value instanceof Stream)) throw new JSExn("You can only put streams to the font property");
+ font = value == null ? null : Font.getFont((Stream)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": 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
- default: super.put(name, value);
+ 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 "titlebar":
+ if (getSurface() != null && value != null) getSurface().setTitleBarText(JS.toString(value));
+ super.put(name,value);
+
+ case "Press1": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "Press2": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "Press3": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "Release1": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "Release2": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "Release3": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "Click1": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "Click2": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "Click3": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "DoubleClick1": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "DoubleClick2": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "DoubleClick3": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "KeyPressed": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "KeyReleased": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "Move": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "Enter": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+ case "Leave": if (!test(STOP_UPWARD_PROPAGATION) && parent != null) parent.putAndTriggerTraps(name, value);
+
+ case "_Move": propagateDownward(name, value, false);
+ case "_Press1": propagateDownward(name, value, false);
+ case "_Press2": propagateDownward(name, value, false);
+ case "_Press3": propagateDownward(name, value, false);
+ case "_Release1": propagateDownward(name, value, false);
+ case "_Release2": propagateDownward(name, value, false);
+ case "_Release3": propagateDownward(name, value, false);
+ case "_Click1": propagateDownward(name, value, false);
+ case "_Click2": propagateDownward(name, value, false);
+ case "_Click3": propagateDownward(name, value, false);
+ case "_DoubleClick1": propagateDownward(name, value, false);
+ case "_DoubleClick2": propagateDownward(name, value, false);
+ case "_DoubleClick3": propagateDownward(name, value, false);
+ case "_KeyPressed": propagateDownward(name, value, false);
+ case "_KeyReleased": propagateDownward(name, value, false);
+
+ case "PosChange": return;
+ case "SizeChange": return;
+ case "childadded": return;
+ case "childremoved": return;
+
+ case "thisbox": if (value == null) removeSelf();
+
+ default: super.put(name, value);
//#end
}
case "bottom": set(ALIGN_BOTTOM);
case "left": set(ALIGN_LEFT);
case "right": set(ALIGN_RIGHT);
- default: Log.logJS("invalid alignment \"" + value + "\"");
+ default: JS.log("invalid alignment \"" + value + "\"");
//#end
}
boxToCursor.put(this, value);
Surface surface = getSurface();
String tempcursor = surface.cursor;
- Move(surface.mousex, surface.mousey, surface.mousex, surface.mousey);
+ // FIXME
+ //Move(surface.mousex, surface.mousey, surface.mousex, surface.mousey);
if (surface.cursor != tempcursor) surface.syncCursor();
}
- private void setFill(Object value) {
- if (value == null) return;
- if (value instanceof String) {
+ private void setFill(Object value) throws JSExn {
+ if (value == null) {
+ // FIXME: Check this... does this make it transparent?
+ texture = null;
+ fillcolor = 0;
+ } else if (value instanceof String) {
// FIXME check double set
int newfillcolor = stringToColor((String)value);
if (newfillcolor == fillcolor) return;
fillcolor = newfillcolor;
- dirty();
- return;
- }
- if (!(value instanceof Res)) return;
- texture = Picture.fromRes((Res)value, null);
- if (texture != null) {
- minwidth = texture.picture.getWidth();
- minheight = texture.picture.getHeight();
- MARK_REFLOW;
- dirty();
- return;
+ } else if(value instanceof Stream) {
+ texture = Picture.load((Stream)value, this);
+ } else {
+ throw new JSExn("fill must be null, a String, or a stream");
}
- 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();
- } });
+ dirty();
}
-
- private void mouseEvent(String name, Object value) {
- Surface surface = getSurface();
- if (surface == null) return;
- 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.putAndTriggerTraps(name, value); return; }
- if (parent != null) parent.putAndTriggerTraps(name, value);
+
+ // FIXME: mouse move/release still needs to propagate to boxen in which the mouse was pressed and is still held down
+ /**
+ * Handles events which propagate down the box tree. If obscured
+ * is set, then we merely check for Enter/Leave.
+ */
+ private void propagateDownward(Object name_, Object value, boolean obscured) {
+
+ String name = (String)name_;
+ if (getSurface() == null) return;
+ int x = globalToLocalX(getSurface()._mousex);
+ int y = globalToLocalY(getSurface()._mousey);
+ boolean wasinside = test(MOUSEINSIDE);
+ boolean isinside = test(VISIBLE) && inside(x, y) && !obscured;
+ if (!wasinside && isinside) { set(MOUSEINSIDE); putAndTriggerTrapsAndCatchExceptions("Enter", T); }
+ if (wasinside && !isinside) { clear(MOUSEINSIDE); putAndTriggerTrapsAndCatchExceptions("Leave", T); }
+
+ boolean found = false;
+ if (wasinside || isinside)
+ for(Box child = getChild(treeSize() - 1); child != null; child = child.prevSibling()) {
+ boolean save_stop = child.test(STOP_UPWARD_PROPAGATION);
+ if (obscured || !child.inside(x - child.x, y - child.y)) {
+ child.propagateDownward(name, value, true);
+ } else try {
+ found = true;
+ child.clear(STOP_UPWARD_PROPAGATION);
+ child.putAndTriggerTrapsAndCatchExceptions(name, value);
+ } finally {
+ if (save_stop) child.set(STOP_UPWARD_PROPAGATION); else child.clear(STOP_UPWARD_PROPAGATION);
+ }
+ if (child.inside(x - child.x, y - child.y))
+ if (name.equals("_Move")) obscured = true;
+ else break;
+ }
+
+ if (!obscured && !found)
+ if (!name.equals("_Move") || wasinside) putAndTriggerTrapsAndCatchExceptions(name.substring(1), value);
}
private static int stringToColor(String s) {
+ // FIXME support three-char strings by doubling digits
if (s == null) return 0x00000000;
else if (SVG.colors.get(s) != null) return 0xFF000000 | toInt(SVG.colors.get(s));
- else if (s.length() > 0 && s.charAt(0) == '#') try {
+ else if (s.length() == 7 && s.charAt(0) == '#') try {
// FEATURE alpha
return 0xFF000000 |
(Integer.parseInt(s.substring(1, 3), 16) << 16) |
(Integer.parseInt(s.substring(3, 5), 16) << 8) |
Integer.parseInt(s.substring(5, 7), 16);
} catch (NumberFormatException e) {
- Log.log(Box.class, "invalid color " + s);
+ Log.info(Box.class, "invalid color " + s);
return 0;
}
else return 0; // FEATURE: error?
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;
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;
-
// Tree Handling //////////////////////////////////////////////////////////////////////
-
- private static boolean REDbool = false;
- private static boolean BLACKbool = true;
-
- public final Box peerTree_leftmost() { for (Box p = this; ; p = p.left) if (p.left == null) return p; }
- public final Box peerTree_rightmost() { for (Box p = this; ; p = p.right) if (p.right == null) return p; }
- static Box peerTree_parent(Box p) { return (p == null)? null: p.peerTree_parent; }
-
- public void insertBeforeMe(Box cell) { left = cell; cell.peerTree_parent = this; cell.fixAfterInsertion(); }
- public void insertAfterMe(Box cell) { right = cell; cell.peerTree_parent = this; cell.fixAfterInsertion(); }
-
- static boolean colorOf(Box p) { return (p == null) ? BLACKbool : p.test(BLACK); }
- static void setColor(Box p, boolean c) { if (p != null) { if (c) p.set(BLACK); else p.clear(BLACK); } }
- static Box leftOf(Box p) { return (p == null)? null: p.left; }
- static Box rightOf(Box p) { return (p == null)? null: p.right; }
-
- public final Box nextSibling() {
- if (right != null)
- return right.peerTree_leftmost();
- else {
- Box p = peerTree_parent;
- Box ch = this;
- while (p != null && ch == p.right) { ch = p; p = p.peerTree_parent; }
- return p;
- }
- }
-
- public final Box prevSibling() {
- if (left != null)
- return left.peerTree_rightmost();
- else {
- Box p = peerTree_parent;
- Box ch = this;
- while (p != null && ch == p.left) { ch = p; p = p.peerTree_parent; }
- return p;
- }
- }
-
- public void removeNode() {
-
- // handle case where we are only node
- if (left == null && right == null && peerTree_parent == null) return;
-
- // if strictly internal, swap places with a successor
- if (left != null && right != null) {
- Box s = nextSibling();
- // To work nicely with arbitrary subclasses of Box, we don't want to
- // just copy successor's fields. since we don't know what
- // they are. Instead we swap positions in the tree.
- swapPosition(this, s);
- }
-
- // Start fixup at replacement node (normally a child).
- // But if no children, fake it by using self
-
- if (left == null && right == null) {
-
- if (test(BLACK)) fixAfterDeletion();
-
- // Unlink (Couldn't before since fixAfterDeletion needs peerTree_parent ptr)
-
- if (peerTree_parent != null) {
- if (this == peerTree_parent.left)
- peerTree_parent.left = null;
- else if (this == peerTree_parent.right)
- peerTree_parent.right = null;
- peerTree_parent = null;
- }
-
- }
- else {
- Box replacement = left;
- if (replacement == null) replacement = right;
-
- // link replacement to peerTree_parent
- replacement.peerTree_parent = peerTree_parent;
-
- if (peerTree_parent == null) parent.rootChild = replacement;
- else if (this == peerTree_parent.left) peerTree_parent.left = replacement;
- else peerTree_parent.right = replacement;
-
- left = null;
- right = null;
- peerTree_parent = null;
-
- // fix replacement
- if (test(BLACK)) replacement.fixAfterDeletion();
-
- }
- }
-
- /**
- * Swap the linkages of two nodes in a tree.
- * Return new root, in case it changed.
- **/
- void swapPosition(Box x, Box y) {
-
- /* Too messy. TODO: find sequence of assigments that are always OK */
-
- Box px = x.peerTree_parent;
- boolean xpl = px != null && x == px.left;
- Box lx = x.left;
- Box rx = x.right;
-
- Box py = y.peerTree_parent;
- boolean ypl = py != null && y == py.left;
- Box ly = y.left;
- Box ry = y.right;
-
- if (x == py) {
- y.peerTree_parent = px;
- if (px != null) if (xpl) px.left = y; else px.right = y;
- x.peerTree_parent = y;
- if (ypl) {
- y.left = x;
- y.right = rx; if (rx != null) rx.peerTree_parent = y;
- }
- else {
- y.right = x;
- y.left = lx; if (lx != null) lx.peerTree_parent = y;
- }
- x.left = ly; if (ly != null) ly.peerTree_parent = x;
- x.right = ry; if (ry != null) ry.peerTree_parent = x;
- }
- else if (y == px) {
- x.peerTree_parent = py;
- if (py != null) if (ypl) py.left = x; else py.right = x;
- y.peerTree_parent = x;
- if (xpl) {
- x.left = y;
- x.right = ry; if (ry != null) ry.peerTree_parent = x;
- }
- else {
- x.right = y;
- x.left = ly; if (ly != null) ly.peerTree_parent = x;
- }
- y.left = lx; if (lx != null) lx.peerTree_parent = y;
- y.right = rx; if (rx != null) rx.peerTree_parent = y;
- }
- else {
- x.peerTree_parent = py; if (py != null) if (ypl) py.left = x; else py.right = x;
- x.left = ly; if (ly != null) ly.peerTree_parent = x;
- x.right = ry; if (ry != null) ry.peerTree_parent = x;
-
- y.peerTree_parent = px; if (px != null) if (xpl) px.left = y; else px.right = y;
- y.left = lx; if (lx != null) lx.peerTree_parent = y;
- y.right = rx; if (rx != null) rx.peerTree_parent = y;
- }
-
- boolean c = x.test(BLACK);
- if (y.test(BLACK)) x.set(BLACK); else x.clear(BLACK);
- if (c) y.set(BLACK); else y.clear(BLACK);
-
- if (parent.rootChild == x) parent.rootChild = y;
- else if (parent.rootChild == y) parent.rootChild = x;
- }
-
- void rotateLeft() {
- Box r = right;
- right = r.left;
- if (r.left != null) r.left.peerTree_parent = this;
- r.peerTree_parent = peerTree_parent;
- if (peerTree_parent == null) parent.rootChild = r;
- else if (peerTree_parent.left == this) peerTree_parent.left = r;
- else peerTree_parent.right = r;
- r.left = this;
- peerTree_parent = r;
- }
-
- void rotateRight() {
- Box l = left;
- left = l.right;
- if (l.right != null) l.right.peerTree_parent = this;
- l.peerTree_parent = peerTree_parent;
- if (peerTree_parent == null) parent.rootChild = l;
- else if (peerTree_parent.right == this) peerTree_parent.right = l;
- else peerTree_parent.left = l;
- l.right = this;
- peerTree_parent = l;
- }
-
- void fixAfterInsertion() {
- clear(BLACK);
- Box x = this;
-
- while (x != null && x != parent.rootChild && !x.peerTree_parent.test(BLACK)) {
- if (peerTree_parent(x) == leftOf(peerTree_parent(peerTree_parent(x)))) {
- Box y = rightOf(peerTree_parent(peerTree_parent(x)));
- if (colorOf(y) == REDbool) {
- setColor(peerTree_parent(x), BLACKbool);
- setColor(y, BLACKbool);
- setColor(peerTree_parent(peerTree_parent(x)), REDbool);
- x = peerTree_parent(peerTree_parent(x));
- }
- else {
- if (x == rightOf(peerTree_parent(x))) {
- x = peerTree_parent(x);
- x.rotateLeft();
- }
- setColor(peerTree_parent(x), BLACKbool);
- setColor(peerTree_parent(peerTree_parent(x)), REDbool);
- if (peerTree_parent(peerTree_parent(x)) != null)
- peerTree_parent(peerTree_parent(x)).rotateRight();
- }
- }
- else {
- Box y = leftOf(peerTree_parent(peerTree_parent(x)));
- if (colorOf(y) == REDbool) {
- setColor(peerTree_parent(x), BLACKbool);
- setColor(y, BLACKbool);
- setColor(peerTree_parent(peerTree_parent(x)), REDbool);
- x = peerTree_parent(peerTree_parent(x));
- }
- else {
- if (x == leftOf(peerTree_parent(x))) {
- x = peerTree_parent(x);
- x.rotateRight();
- }
- setColor(peerTree_parent(x), BLACKbool);
- setColor(peerTree_parent(peerTree_parent(x)), REDbool);
- if (peerTree_parent(peerTree_parent(x)) != null)
- peerTree_parent(peerTree_parent(x)).rotateLeft();
- }
- }
- }
- parent.rootChild.set(BLACK);
- }
-
- /** From CLR **/
- void fixAfterDeletion() {
- Box x = this;
- while (x != parent.rootChild && colorOf(x) == BLACKbool) {
- if (x == leftOf(peerTree_parent(x))) {
- Box sib = rightOf(peerTree_parent(x));
- if (colorOf(sib) == REDbool) {
- setColor(sib, BLACKbool);
- setColor(peerTree_parent(x), REDbool);
- peerTree_parent(x).rotateLeft();
- sib = rightOf(peerTree_parent(x));
- }
- if (colorOf(leftOf(sib)) == BLACKbool && colorOf(rightOf(sib)) == BLACKbool) {
- setColor(sib, REDbool);
- x = peerTree_parent(x);
- }
- else {
- if (colorOf(rightOf(sib)) == BLACKbool) {
- setColor(leftOf(sib), BLACKbool);
- setColor(sib, REDbool);
- sib.rotateRight();
- sib = rightOf(peerTree_parent(x));
- }
- setColor(sib, colorOf(peerTree_parent(x)));
- setColor(peerTree_parent(x), BLACKbool);
- setColor(rightOf(sib), BLACKbool);
- peerTree_parent(x).rotateLeft();
- x = parent.rootChild;
- }
- }
- else {
- Box sib = leftOf(peerTree_parent(x));
- if (colorOf(sib) == REDbool) {
- setColor(sib, BLACKbool);
- setColor(peerTree_parent(x), REDbool);
- peerTree_parent(x).rotateRight();
- sib = leftOf(peerTree_parent(x));
- }
- if (colorOf(rightOf(sib)) == BLACKbool && colorOf(leftOf(sib)) == BLACKbool) {
- setColor(sib, REDbool);
- x = peerTree_parent(x);
- }
- else {
- if (colorOf(leftOf(sib)) == BLACKbool) {
- setColor(rightOf(sib), BLACKbool);
- setColor(sib, REDbool);
- sib.rotateLeft();
- sib = leftOf(peerTree_parent(x));
- }
- setColor(sib, colorOf(peerTree_parent(x)));
- setColor(peerTree_parent(x), BLACKbool);
- setColor(leftOf(sib), BLACKbool);
- peerTree_parent(x).rotateRight();
- x = parent.rootChild;
- }
- }
- }
- setColor(x, BLACKbool);
+ 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 this node from its parent; INVARIANT: whenever the parent of a node is changed, remove() gets called. */
- public void remove() {
- if (parent == null) {
- Surface surface = Surface.fromBox(this);
- if (surface != null) surface.dispose(true);
- return;
- } else {
- parent.numchildren--;
- }
- Box oldparent = parent;
- if (oldparent == null) return;
- MARK_REFLOW;
- dirty();
- clear(MOUSEINSIDE);
- removeNode();
- parent = null;
- if (oldparent != null) { Box b = oldparent; MARK_REFLOW_b; }
- if (oldparent != null) oldparent.putAndTriggerTraps("childremoved", this);
+ void removeSelf() {
+ if (parent != null) { parent.removeChild(parent.indexNode(this)); return; }
+ Surface surface = Surface.fromBox(this);
+ if (surface != null) surface.dispose(true);
}
- /** Returns ith child */
- public Box getChild(int i) {
- // FIXME: store numleft and numright in the tree
- Box left = rootChild;
- if (left == null) return null;
- while (left.left != null) left = left.left;
- for(; i > 0; i--) left = left.nextSibling();
- return left;
+ /** 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;
+ putAndTriggerTrapsAndCatchExceptions("childremoved", b);
}
- /** Returns our index in our parent */
- public int getIndexInParent() {
- // FIXME: store numleft and numright in the tree
- if (peerTree_parent == null) return left == null ? 0 : left.numPeerChildren() + 1;
- else if (peerTree_parent.left == this) return peerTree_parent.getIndexInParent() - 1;
- else if (peerTree_parent.right == this) return peerTree_parent.getIndexInParent() + 1;
- else throw new Error("we're not a child of our parent!");
- }
-
- public int numPeerChildren() {
- return (left == null ? 0 : left.numPeerChildren() + 1) + (right == null ? 0 : right.numPeerChildren() + 1);
- }
-
- public void put(int i, Object value) {
+ 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");
+ if (Log.on) JS.log(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");
+ if (value == null) putAndTriggerTrapsAndCatchExceptions("childremoved", getChild(i));
+ else JS.log(this, "attempt to add/remove children to/from a node with a null redirect");
} else if (redirect != this) {
- if (value != null) putAndTriggerTraps("childadded", value);
+ if (value != null) putAndTriggerTrapsAndCatchExceptions("childadded", value);
redirect.put(i, value);
if (value == null) {
Box b = (Box)redirect.get(new Integer(i));
- if (b != null) putAndTriggerTraps("childremoved", b);
+ if (b != null) putAndTriggerTrapsAndCatchExceptions("childremoved", b);
}
} else if (value == null) {
- if (i < 0 || i > numchildren) return;
+ if (i < 0 || i > treeSize()) return;
Box b = getChild(i);
- b.remove();
- putAndTriggerTraps("childremoved", b);
+ removeChild(i);
+ putAndTriggerTrapsAndCatchExceptions("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");
+ if (Log.on) JS.log(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);
+ if (Log.on) JS.log(this, "attempt to make a node a parent of its own ancestor");
+ if (Log.on) Log.info(this, "box == " + this + " ancestor == " + b);
return;
}
- b.remove();
+ if (b.parent != null) b.parent.removeChild(b.parent.indexNode(b));
+ insertNode(i, b);
b.parent = this;
- numchildren++;
-
- Box before = getChild(i);
- if (before == null) {
- if (rootChild == null) rootChild = b;
- else rootChild.peerTree_rightmost().insertAfterMe(b);
- }
- else before.insertBeforeMe(b);
// need both of these in case child was already uncalc'ed
MARK_REFLOW_b;
MARK_REFLOW;
b.dirty();
- putAndTriggerTraps("childadded", b);
+ putAndTriggerTrapsAndCatchExceptions("childadded", b);
+ }
+ }
+
+ void putAndTriggerTrapsAndCatchExceptions(Object name, Object val) {
+ try {
+ putAndTriggerTraps(name, val);
+ } catch (JSExn e) {
+ JS.log("caught js exception while putting to trap \""+name+"\"");
+ JS.log(e);
+ } catch (Exception e) {
+ JS.log("caught exception while putting to trap \""+name+"\"");
+ JS.log(e);
}
}
projects / org.ibex.core.git / blobdiff