* 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 = Font.getFont((Res)Main.builtin.get("fonts/vera/Vera.ttf"), 10);
+ static final Font DEFAULT_FONT;
+
+ static {
+ Font f = null;
+ try { f = Font.getFont((Res)Main.builtin.get("fonts/vera/Vera.ttf"), 10); }
+ catch(JSExn e) { Log.log(Box.class, "should never happen: "+e); }
+ DEFAULT_FONT = f;
+ }
+
+ // box properties can not be trapped
+ static final String[] props = new String[] {
+ "fill", "stroke", "image", "tile", "fixedaspect", "text", "path", "font",
+ "shrink", "hshrink", "vshrink", "x", "y", "width", "height", "cols", "rows",
+ "colspan", "rowspan", "align", "visible", "absolute", "globalx", "globaly",
+ "minwidth", "maxwidth", "minheight", "maxheight",
+ "numchildren", "redirect", "cursor", "mousex", "mousey", "xwt", "static",
+ "mouseinside", "root", "thisbox", "indexof"
+ };
+
+ // 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 //////////////////////////////////////////////////////////////////////
private String text = null;
private Font font = DEFAULT_FONT;
- private Picture.Holder texture;
+ private Picture texture;
private short strokewidth = 1;
private int fillcolor = 0x00000000;
private int strokecolor = 0xFF000000;
// Instance Methods /////////////////////////////////////////////////////////////////////
+
+ /** invoked when a resource needed to render ourselves finishes loading */
+ public void perform() {
+ MARK_REPACK;
+ MARK_REFLOW;
+ MARK_RESIZE;
+ dirty();
+ }
+
public Box getRoot() { return parent == null ? this : parent.getRoot(); }
public Surface getSurface() { return Surface.fromBox(getRoot()); }
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();
//#end
}
- private void resize(LENGTH x, LENGTH y, LENGTH width, LENGTH height) {
+ void resize(LENGTH x, LENGTH y, LENGTH width, LENGTH height) {
// FEATURE reimplement, but we're destroying this
- if (x != this.x || y != this.y || width != this.width || height != this.height) {
+ // FIXME: uncommenting this breaks; see http://bugs.xwt.org/show_bug.cgi?id=345
+ //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;
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) try { putAndTriggerTraps("SizeChange", T); /*Surface.abort = true;*/ }
+ catch (Exception e) { Log.log(this, e); }
+ if (poschange) try { putAndTriggerTraps("PosChange", T); /*Surface.abort = true;*/ }
+ catch (Exception e) { Log.log(this, e); }
+ //}
}
- 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
if ((fillcolor & 0xFF000000) != 0x00000000)
buf.fillTrapezoid(globalx, globalx + width, globaly, globalx, globalx + width, globaly + height, 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);
+ 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()); }
- protected boolean isTrappable() { return true; }
+ 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;
+ }
+
public Object get(Object name) throws JSExn {
if (name instanceof Number)
return redirect == null ? null : redirect == this ? getChild(toInt(name)) : redirect.get(name);
throw new Error("unreachable"); // unreachable
}
+ void setMaxWidth(Object value) { do { CHECKSET_INT(maxwidth); MARK_RESIZE; } while(false); }
+ void setMaxHeight(Object value) { do { CHECKSET_INT(maxheight); MARK_RESIZE; } while(false); }
+
public void put(Object name, Object value) throws JSExn {
if (name instanceof Number) { put(toInt(name), value); return; }
//#switch(name)
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 "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);
- }
+ case "thisbox": if (value == null) removeSelf();
default: super.put(name, value);
//#end
}
return;
}
if (!(value instanceof Res)) return;
- texture = Picture.fromRes((Res)value, null);
- if (texture != null) {
- minwidth = texture.picture.getWidth();
- minheight = texture.picture.getHeight();
+
+
+ // FIXME
+ texture = Picture.load((Res)value, this);
+ if (texture.isLoaded) {
+ minwidth = texture.width;
+ minheight = texture.height;
MARK_REFLOW;
dirty();
return;
}
- texture = Picture.fromRes((Res)value, new Scheduler.Task() { public void perform() {
- minwidth = texture.picture.getWidth();
- minheight = texture.picture.getHeight();
+ texture = Picture.load((Res)value, new Scheduler.Task() { public void perform() {
+ // FIXME pass this instead of a new Task?
+ minwidth = texture.width;
+ minheight = texture.height;
Box b = Box.this; MARK_REFLOW_b;
dirty();
} });
// Tree Manipulation /////////////////////////////////////////////////////////////////////
+ void removeSelf() {
+ if (parent != null) { parent.removeChild(parent.indexNode(this)); return; }
+ Surface surface = Surface.fromBox(this);
+ if (surface != null) surface.dispose(true);
+ }
+
/** remove the i^th child */
public void removeChild(int i) {
Box b = getChild(i);