static final int CURSOR = 0x00010000; // if true, this box has a cursor in the cursor hash; FEATURE: GC issues?
static final int CLIP = 0x00020000;
static final int STOP_UPWARD_PROPAGATION = 0x00040000;
+ static final int MOVED = 0x00080000;
// Instance Data //////////////////////////////////////////////////////////////////////
Box parent = null;
Box redirect = this;
- int flags = VISIBLE | PACKED | REPACK | REFLOW | RESIZE | FIXED /* ROWS */ | STOP_UPWARD_PROPAGATION | CLIP;
+ int flags = VISIBLE | PACKED | REPACK | REFLOW | RESIZE | FIXED /* ROWS */ | STOP_UPWARD_PROPAGATION | CLIP | MOVED;
private String text = null;
private Font font = DEFAULT_FONT;
/** 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 { JS res = texture.stream; texture = null; throw new JSExn("image not found: "+res.unclone()); }
- } else {
- Log.warn(Box.class, "perform() called with null texture");
- }
- MARK_REPACK;
- MARK_REFLOW;
- MARK_RESIZE;
- dirty();
+ if (texture == null) { Log.warn(Box.class, "perform() called with null texture"); return; }
+ if (texture.isLoaded) { setMinWidth(max(texture.width, maxwidth)); setMinHeight(max(texture.height, maxheight)); }
+ else { JS res = texture.stream; texture = null; throw new JSExn("image not found: "+res.unclone()); }
}
// FEATURE: use cx2/cy2 format
// Reflow ////////////////////////////////////////////////////////////////////////////////////////
- // worst case runtime = O(numboxes * numboxes_in_widest_row)
-
- private static Box[] frontier = new Box[65535]; // FIXME: GC hazard
-
- /** pack the boxes into rows and columns; also computes contentwidth */
+ private static Box[] frontier = new Box[65535];
+ /** pack the boxes into rows and columns, compute contentwidth */
void pack() {
for(Box child = getChild(0); child != null; child = child.nextSibling()) child.pack();
int frontier_size = 0; contentwidth = 0; contentheight = 0;
//#repeat COLS/ROWS rows/cols cols/rows col/row row/col colspan/rowspan rowspan/colspan \
// contentheight/contentwidth contentwidth/contentheight
- if (treeSize() > 0 && test(FIXED) == COLS) {
+ if (test(FIXED) == COLS) {
rows = 0;
for(Box child = getChild(0); child != null; child = child.nextSibling()) {
if (!child.test(PACKED) || !child.test(VISIBLE)) continue;
+ if (cols == 1) { child.row = rows; rows += child.rowspan; child.col = 0; continue; }
child.col = (short)(frontier_size <= 0 ? 0 : (frontier[frontier_size-1].col + frontier[frontier_size-1].colspan));
child.row = (short)(frontier_size <= 0 ? 0 : frontier[frontier_size-1].row);
if (child.col + min(cols,child.colspan) > cols) { child.col = 0; child.row++; }
} else break;
frontier[frontier_size++] = child;
}
- for(int i=0; i<frontier_size; i++){rows=(short)max(rows, frontier[i].row + frontier[i].rowspan); frontier[i] = null; }
+ for(int i=0; i<frontier_size; i++){ rows=(short)max(rows, frontier[i].row + frontier[i].rowspan); frontier[i] = null; }
}
//#end
solve(true);
//#repeat contentwidth/contentheight contentheight/contentwidth minwidth/minheight row/col col/row \
// textwidth/textheight maxwidth/maxheight cols/rows rows/cols colspan/rowspan rowspan/colspan
contentwidth = bound(minwidth,
- max(contentwidth,
- font == null || text == null ? 0 : font.textwidth(text)),
+ max(contentwidth, font == null || text == null ? 0 : font.textwidth(text)),
maxwidth);
//#end
}
void resize(LENGTH x, LENGTH y, LENGTH width, LENGTH height) {
- if (x != this.x || y != this.y || width != this.width || height != this.height) {
- boolean sizechange = (this.width != width || this.height != height) && getTrap("SizeChange") != 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 clear surface with nonclear children
- if (false /*texture == null && (text == null || text.equals(""))*/) {
- if ((fillcolor & 0xff000000) == 0) break;
- 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;
- }
+ if (x == this.x && y == this.y && width == this.width && height == this.height) return;
+ boolean sizechange = (this.width != width || this.height != height) && getTrap("SizeChange") != null;
+ try {
+ int thisx = parent == null ? 0 : this.x;
+ int thisy = parent == null ? 0 : this.y;
+ if (this.x != x || this.y != y) set(MOVED);
+ if (texture == null && (text == null || text.equals("")) && !test(MOVED)) {
+ if ((fillcolor & 0xff000000) != 0) {
+ 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));
}
- (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);
+ return;
+ }
+ (parent == null ? this : parent).dirty(thisx, thisy, this.width, this.height);
+ this.width = width; this.height = height; this.x = x; this.y = y;
+ dirty();
+ } finally {
this.width = width; this.height = height; this.x = x; this.y = y;
if (sizechange) putAndTriggerTrapsAndCatchExceptions("SizeChange", T);
}
child_width -= diff;
//#end
}
+ if (test(MOVED)) child.set(MOVED);
child.resize(child_x, child_y, child_width, child_height);
}
+ clear(MOVED);
for(Box child = getChild(0); child != null; child = child.nextSibling())
if (child.test(VISIBLE) && child.treeSize() > 0)
}
}
+ public void setMinWidth(int minwidth) {
+ if (this.minwidth == minwidth) return;
+ MARK_RESIZE; MARK_REFLOW; MARK_REPACK; this.minwidth = minwidth;
+ }
+ public void setMinHeight(int minheight) {
+ if (this.minheight == minheight) return;
+ MARK_RESIZE; MARK_REFLOW; MARK_REPACK; this.minheight = minheight;
+ }
public void setMaxWidth(Object value) {
do { CHECKSET_INT(maxwidth); MARK_RESIZE; } while(false);
if (parent == null && getSurface() != null) getSurface().pendingWidth = maxwidth;