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;
+ volatile int pendingWidth = -1;
+ volatile int pendingHeight = -1;
+ volatile int actualWidth = -1;
+ volatile int actualHeight = -1;
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
// Instance Data ///////////////////////////////////////////////////////////////////////
- Vec keywatchers = new Vec();
-
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, in Scheduler-time
public int mousey; ///< y position of the mouse, in Scheduler-time
+ public int _mousex; ///< x position of the mouse, in Scheduler-time
+ public int _mousey; ///< y position of the mouse, in Scheduler-time
public int newmousex = -1; ///< x position of the mouse, in realtime
public int newmousey = -1; ///< y position of the mouse, in realtime
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
- private DirtyList dirtyRegions = new DirtyList(); ///< Dirty regions on the *screen*
+ DirtyList dirtyRegions = new DirtyList(); ///< Dirty regions on the *screen*
// Used For Simulating Clicks and DoubleClicks /////////////////////////////////////////////////
public abstract void _dispose(); ///< Destroy the surface
public void setLimits(int min_width, int min_height, int max_width, int max_height) { /* FIXME */ }
+ protected void setSize(int w, int h) {
+ if (w == actualWidth && h == actualHeight) return;
+ actualWidth = w;
+ actualHeight = 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", T, Box.whoIs(root, mousex, mousey));
- else if (button == 2) new SimpleMessage("Press2", T, Box.whoIs(root, mousex, mousey));
+ if (button == 1) new SimpleMessage("_Press1", T, root);
+ else if (button == 2) new SimpleMessage("_Press2", T, root);
else if (button == 3) {
- final Box who = Box.whoIs(root, mousex, mousey);
- Scheduler.add(new Scheduler.Task() { public void perform() {
+ final Box who = root;
+ Scheduler.add(new Scheduler.Task() { public void perform() throws JSExn {
Platform.clipboardReadEnabled = true;
- root.putAndTriggerTraps("Press3", T);
- 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", T, Box.whoIs(root, mousex, mousey));
- else if (button == 2) new SimpleMessage("Release2", T, Box.whoIs(root, mousex, mousey));
- else if (button == 3) new SimpleMessage("Release3", T, Box.whoIs(root, mousex, mousey));
+ if (button == 1) new SimpleMessage("_Release1", T, root);
+ else if (button == 2) new SimpleMessage("_Release2", T, root);
+ else if (button == 3) new SimpleMessage("_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", T, Box.whoIs(root, mousex, mousey));
- else if (button == 2) new SimpleMessage("Click2", T, Box.whoIs(root, mousex, mousey));
- else if (button == 3) new SimpleMessage("Click3", T, Box.whoIs(root, mousex, mousey));
+ if (button == 1) new SimpleMessage("_Click1", T, root);
+ else if (button == 2) new SimpleMessage("_Click2", T, root);
+ else if (button == 3) new SimpleMessage("_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", T, Box.whoIs(root, mousex, mousey));
- else if (button == 2) new SimpleMessage("DoubleClick2", T, Box.whoIs(root, mousex, mousey));
- else if (button == 3) new SimpleMessage("DoubleClick3", T, Box.whoIs(root, mousex, mousey));
- }
-
- /** Send a KeyPressed message; subclasses should not add the C- or A- prefixes or should they capitalize alphabet chars */
- 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;
- 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 implements Scheduler.Task {
- 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.putAndTriggerTraps("KeyPressed", key);
- }
- Platform.clipboardReadEnabled = false;
- }
- }
-
- /** sends a KeyReleased message; subclasses should not add the C- or A- prefixes or capitalize alpha chars */
- 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 Scheduler.Task() { 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.putAndTriggerTraps("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;
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.putAndTriggerTraps("Move", T);
- root.Move(oldmousex, oldmousey, mousex, mousey);
+ try {
+ root.putAndTriggerTraps("_Move", T);
+ } catch (JSExn e) {
+ Log.info(Surface.class, "Exception thrown from Move message handler");
+ JS.log(e);
+ }
if (!cursor.equals(oldcursor)) syncCursor();
}
Scheduler.add(this);
}
- // FEATURE: can we avoid creating objects here?
+ /** subclasses should invoke this method when the user resizes the window */
protected final void SizeChange(final int width, final int height) {
- Scheduler.addAtFront(new Scheduler.Task() { public void perform() {
- // dirty the place where the scar used to be
- root.dirty(0, root.maxheight - Main.scarImage.height, Main.scarImage.width, Main.scarImage.height);
- root.setMaxWidth(JS.N(width));
- root.setMaxHeight(JS.N(height));
- root.set(root.REFLOW);
- }});
+ if (pendingWidth == width && pendingHeight == height) return;
+ actualWidth = pendingWidth = width;
+ actualHeight = pendingHeight = height;
abort = true;
+ Scheduler.renderAll();
}
// FEATURE: can we avoid creating objects here?
protected final void PosChange(final int x, final int y) {
- Scheduler.add(new Scheduler.Task() { public void perform() {
+ Scheduler.add(new Scheduler.Task() { public void perform() throws JSExn {
root.x = x;
root.y = y;
root.putAndTriggerTraps("PosChange", T);
}});
}
+ private final String[] doubleClick = new String[] { null, "_DoubleClick1", "_DoubleClick2", "_DoubleClick3" };
+ protected final void DoubleClick(int button) { new SimpleMessage(doubleClick[button], T, root); }
+ protected final void KeyPressed(String key) { new SimpleMessage("_KeyPressed", key, root); }
+ protected final void KeyReleased(String key) { new SimpleMessage("_KeyReleased", key, root); }
protected final void Close() { new SimpleMessage("Close", T, root); }
protected final void Minimized(boolean b) { minimized = b; new SimpleMessage("Minimized", b ? T : F, root); }
protected final void Maximized(boolean b) { maximized = b; new SimpleMessage("Maximized", b ? T : F, root); }
protected final void Focused(boolean b) { new SimpleMessage("Focused", b ? T : F, root); }
- public static void Refresh() { Scheduler.add(renderAll); }
-
- public static final Scheduler.Task renderAll = new Scheduler.Task() { public void perform() {
- for(int i=0; i<allSurfaces.size(); i++)
- ((Surface)allSurfaces.elementAt(i)).render();
- } };
+ 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);
}
}
/** runs the prerender() and render() pipelines in the root Box to regenerate the backbuffer, then blits it to the screen */
public synchronized void render() {
- // dirty the place where the scar used to be in case the root window size was programmatically changed
- if (root.maxwidth != root.width || root.maxheight != root.height)
- root.dirty(0, root.height - Main.scarImage.height, Main.scarImage.width, Main.scarImage.height);
-
// make sure the root is properly sized
do {
abort = false;
root.repack();
+ if (pendingWidth != -1) root.setMaxWidth(JS.N(pendingWidth));
+ if (pendingHeight != -1) root.setMaxHeight(JS.N(pendingHeight));
+ 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);
+ setSize(root.width, root.height);
String oldcursor = cursor;
cursor = "default";
- root.Move(mousex, mousey, mousex, mousey);
+ root.putAndTriggerTrapsAndCatchExceptions("_Move", JS.T);
if (!cursor.equals(oldcursor)) syncCursor();
} while(abort);
if (w <= 0 || h <= 0) continue;
root.render(0, 0, x, y, x + w, y + h, this, identity);
- drawPicture(Main.scarImage, 0, root.height - Main.scarImage.height, x, y, w, h);
+ drawPicture(Main.scarImage, 0, root.height - Main.scarImage.height, x, y, x+w, y+h);
if (abort) {
if (dirt[j] != null)
dirtyRegions.dirty(dirt[j][0], dirt[j][1], dirt[j][2], dirt[j][3]);
- // tail-recurse
- render();
return;
}
}
Scheduler.add(this);
}
- public void perform() { boxContainingMouse.putAndTriggerTraps(name, 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.putAndTriggerTraps(name, value);
+ } catch (JSExn e) {
+ Log.info(Surface.class, "Exception thrown from "+name+" handler");
+ JS.log(e);
+ } finally {
+ Platform.clipboardReadEnabled = false;
+ }
+ }
public String toString() { return "SimpleMessage [name=" + name + ", value=" + value + "]"; }
}
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 */