-// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
+// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
package org.xwt;
import org.bouncycastle.util.encoders.Base64;
*
* Platform subclasses should include an inner class subclass of
* Surface to return from the Platform._createSurface() method
- *
- * Note that the members in the section 'state variables' are either
- * in real-time (the actual size/position/state), or in
- * Scheduler-time (the size/position/state at the time that the
- * now-executing message was enqueued). This distinction is important.
*/
public abstract class Surface extends PixelBuffer implements Scheduler.Task {
/** When set to true, render() should abort as soon as possible and restart the rendering process */
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
- public static boolean shift = false; ///< true iff the shift button is pressed down, in real time
- public static boolean button1 = false; ///< true iff button 1 is depressed, in Scheduler-time
- public static boolean button2 = false; ///< true iff button 2 is depressed, in Scheduler-time
- public static boolean button3 = false; ///< true iff button 3 is depressed, in Scheduler-tiem
+ // these three variables are used to ensure that user resizes trump programmatic resizes
+ volatile boolean syncRootBoxToSurface = false;
+ volatile int pendingWidth = 0;
+ volatile int pendingHeight = 0;
+
+ public static boolean alt = false; ///< true iff the alt button is pressed down
+ public static boolean control = false; ///< true iff the control button is pressed down
+ public static boolean shift = false; ///< true iff the shift button is pressed down
+ public static boolean button1 = false; ///< true iff button 1 is depressed
+ public static boolean button2 = false; ///< true iff button 2 is depressed
+ public static boolean button3 = false; ///< true iff button 3 is depressed
-
// Instance Data ///////////////////////////////////////////////////////////////////////
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 int mousex; ///< x position of the mouse
+ public int mousey; ///< y position of the mouse
+ public int _mousex; ///< x position of the mouse FIXME
+ public int _mousey; ///< y position of the mouse FIXME
+ public int newmousex = -1; ///< x position of the mouse, in real time; this lets us collapse Move's
+ public int newmousey = -1; ///< y position of the mouse, in real time; this lets us collapse Move's
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
- DirtyList dirtyRegions = new DirtyList(); ///< Dirty regions on the *screen*
+ DirtyList dirtyRegions = new DirtyList(); ///< Dirty regions on the surface
// Used For Simulating Clicks and DoubleClicks /////////////////////////////////////////////////
public abstract void setTitleBarText(String s); ///< Sets the surface's title bar text, if applicable
public abstract void setIcon(Picture i); ///< Sets the surface's title bar text, if applicable
public abstract void _dispose(); ///< Destroy the surface
- public void setLimits(int min_width, int min_height, int max_width, int max_height) { /* FIXME */ }
+ public void setMinimumSize(int minx, int miny, boolean resizable) { }
+ protected void setSize(int w, int h) { _setSize(w, h); }
- 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, root);
- else if (button == 2) new SimpleMessage("_Press2", T, root);
+ if (button == 1) new Message("_Press1", T, root);
+ else if (button == 2) new Message("_Press2", T, root);
else if (button == 3) {
final Box who = root;
Scheduler.add(new Scheduler.Task() { public void perform() throws JSExn {
else if (button == 2) button2 = false;
else if (button == 3) button3 = false;
- 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 (button == 1) new Message("_Release1", T, root);
+ else if (button == 2) new Message("_Release2", T, root);
+ else if (button == 3) new Message("_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, root);
- else if (button == 2) new SimpleMessage("_Click2", T, root);
- else if (button == 3) new SimpleMessage("_Click3", T, root);
+ if (button == 1) new Message("_Click1", T, root);
+ else if (button == 2) new Message("_Click2", T, root);
+ else if (button == 3) new Message("_Click3", T, root);
if (Platform.needsAutoDoubleClick()) {
long now = System.currentTimeMillis();
if (lastClickButton == button && now - lastClickTime < 350) DoubleClick(button);
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))
- try {
- root.putAndTriggerTraps("_Move", T);
- } catch (JSExn e) {
- Log.info(Surface.class, "Exception thrown from Move message handler");
- JS.log(e);
- }
+ root.putAndTriggerTrapsAndCatchExceptions("_Move", T);
if (!cursor.equals(oldcursor)) syncCursor();
}
/** subclasses should invoke this method when the user resizes the window */
protected final void SizeChange(final int width, final int height) {
if (pendingWidth == width && pendingHeight == height) return;
- actualWidth = pendingWidth = width;
- actualHeight = pendingHeight = height;
+ pendingWidth = width;
+ pendingHeight = height;
+ syncRootBoxToSurface = true;
abort = true;
Scheduler.renderAll();
}
Scheduler.add(new Scheduler.Task() { public void perform() throws JSExn {
root.x = x;
root.y = y;
- root.putAndTriggerTraps("PosChange", T);
+ root.putAndTriggerTrapsAndCatchExceptions("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); }
+ protected final void DoubleClick(int button) { new Message(doubleClick[button], T, root); }
+ protected final void KeyPressed(String key) { new Message("_KeyPressed", key, root); }
+ protected final void KeyReleased(String key) { new Message("_KeyReleased", key, root); }
+ protected final void Close() { new Message("Close", T, root); }
+ protected final void Minimized(boolean b) { minimized = b; new Message("Minimized", b ? T : F, root); }
+ protected final void Maximized(boolean b) { maximized = b; new Message("Maximized", b ? T : F, root); }
+ protected final void Focused(boolean b) { new Message("Focused", b ? T : F, root); }
public void Refresh() { Scheduler.add(new Scheduler.Task() { public void perform() { } }); }
public final void setMaximized(boolean b) { if (b != maximized) _setMaximized(maximized = b); }
}
public static Surface fromBox(Box b) {
+ // FIXME use a hash table here
for(int i=0; i<allSurfaces.size(); i++) {
Surface s = (Surface)allSurfaces.elementAt(i);
if (s.root == b) return s;
do {
abort = false;
root.repack();
- if (pendingWidth != -1) root.setMaxWidth(JS.N(pendingWidth));
- if (pendingHeight != -1) root.setMaxHeight(JS.N(pendingHeight));
+ if (syncRootBoxToSurface) {
+ root.setMaxWidth(JS.N(pendingWidth));
+ root.setMaxHeight(JS.N(pendingHeight));
+ syncRootBoxToSurface = false;
+ }
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);
drawPicture(Main.scarImage, 0, root.height - Main.scarImage.height, x, y, x+w, y+h);
if (abort) {
-
// x,y,w,h is only partially reconstructed, so we must be careful not to re-blit it
dirtyRegions.dirty(x, y, w, h);
-
// put back all the dirty regions we haven't yet processed (including the current one)
for(int j=i; j<dirt.length; j++)
if (dirt[j] != null)
dirtyRegions.dirty(dirt[j][0], dirt[j][1], dirt[j][2], dirt[j][3]);
-
return;
}
}
}
// FEATURE: reinstate recycler
- public class SimpleMessage implements Scheduler.Task {
+ public class Message implements Scheduler.Task {
private Box boxContainingMouse;
private Object value;
public String name;
- SimpleMessage(String name, Object value, Box boxContainingMouse) {
+ Message(String name, Object value, Box boxContainingMouse) {
this.boxContainingMouse = boxContainingMouse;
this.name = name;
this.value = value;
this.value = value;
}
try {
- boxContainingMouse.putAndTriggerTraps(name, value);
- } catch (JSExn e) {
- Log.info(Surface.class, "Exception thrown from "+name+" handler");
- JS.log(e);
+ boxContainingMouse.putAndTriggerTrapsAndCatchExceptions(name, value);
} finally {
Platform.clipboardReadEnabled = false;
}
}
- public String toString() { return "SimpleMessage [name=" + name + ", value=" + value + "]"; }
-
+ public String toString() { return "Message [name=" + name + ", value=" + value + "]"; }
}