+++ /dev/null
-// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
-package org.ibex;
-
-import org.ibex.js.*;
-import org.ibex.util.*;
-
-/**
- * A Surface, as described in the Ibex Reference.
- *
- * Platform subclasses should include an inner class subclass of
- * Surface to return from the Platform._createSurface() method
- */
-public abstract class Surface extends PixelBuffer implements Scheduler.Task {
-
- // Static Data ////////////////////////////////////////////////////////////////////////////////
-
- private static Boolean T = Boolean.TRUE;
- private static Boolean F = Boolean.FALSE;
-
- /** all instances of Surface which need to be refreshed by the Scheduler */
- public static Vec allSurfaces = new Vec();
-
- /** When set to true, render() should abort as soon as possible and restart the rendering process */
- volatile boolean abort = false;
-
- // 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
- 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 surface
-
- // Used For Simulating Clicks and DoubleClicks /////////////////////////////////////////////////
-
- int last_press_x = Integer.MAX_VALUE; ///< the x-position of the mouse the last time a Press message was enqueued
- int last_press_y = Integer.MAX_VALUE; ///< the y-position of the mouse the last time a Press message was enqueued
- static int lastClickButton = 0; ///< the last button to recieve a Click message; used for simulating DoubleClick's
- static long lastClickTime = 0; ///< the last time a Click message was processed; used for simulating DoubleClick's
-
-
- // Methods to be overridden by subclasses ///////////////////////////////////////////////////////
-
- public abstract void toBack(); ///< should push surface to the back of the stacking order
- public abstract void toFront(); ///< should pull surface to the front of the stacking order
- public abstract void syncCursor(); ///< set the actual cursor to this.cursor if they do not match
- public abstract void setInvisible(boolean b); ///< If <tt>b</tt>, make window invisible; otherwise, make it non-invisible.
- protected abstract void _setMaximized(boolean b); ///< If <tt>b</tt>, maximize the surface; otherwise, un-maximize it.
- protected abstract void _setMinimized(boolean b); ///< If <tt>b</tt>, minimize the surface; otherwise, un-minimize it.
- public abstract void setLocation(); ///< Set the surface's x/y position to that of the root box
- protected abstract void _setSize(int w, int h); ///< set the actual size of the surface
- 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 setMinimumSize(int minx, int miny, boolean resizable) { }
- protected void setSize(int w, int h) { _setSize(w, h); }
-
-
- // Helper methods for subclasses ////////////////////////////////////////////////////////////
-
- protected final void Press(final int button) {
- last_press_x = mousex;
- last_press_y = mousey;
-
- if (button == 1) button1 = true;
- else if (button == 2) button2 = true;
- else if (button == 3) button3 = true;
-
- if (button == 1) new Message("_Press1", T, root);
- else if (button == 2) new Message("_Press2", T, root);
- else if (button == 3) {
- Scheduler.add(new Scheduler.Task() { public void perform() throws JSExn {
- Platform.clipboardReadEnabled = true;
- try {
- root.putAndTriggerTraps("_Press3", T);
- } finally {
- Platform.clipboardReadEnabled = false;
- }
- }});
- }
- }
-
- protected final void Release(int button) {
- if (button == 1) button1 = false;
- else if (button == 2) button2 = false;
- else if (button == 3) button3 = false;
-
- 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;
- last_press_y = Integer.MAX_VALUE;
- }
-
- protected final void Click(int button) {
- 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);
- lastClickButton = button;
- lastClickTime = now;
- }
- }
-
- /** we enqueue ourselves in the Scheduler when we have a Move message to deal with */
- private Scheduler.Task mover = new Scheduler.Task() {
- public void perform() {
- if (mousex == newmousex && mousey == newmousey) return;
- int oldmousex = mousex; mousex = newmousex;
- int oldmousey = mousey; mousey = newmousey;
- String oldcursor = cursor; cursor = "default";
- // FIXME: Root (ONLY) gets motion events outside itself (if trapped)
- if (oldmousex != mousex || oldmousey != mousey)
- root.putAndTriggerTrapsAndCatchExceptions("_Move", T);
- if (!cursor.equals(oldcursor)) syncCursor();
- } };
-
- /**
- * Notify Ibex that the mouse has moved. If the mouse leaves the
- * surface, but the host windowing system does not provide its new
- * position (for example, a Java MouseListener.mouseExited()
- * message), the subclass should use (-1,-1).
- */
- protected final void Move(final int newmousex, final int newmousey) {
- this.newmousex = newmousex;
- this.newmousey = newmousey;
- Scheduler.add(mover);
- }
-
- protected final void HScroll(int pixels) { new Message("_HScroll", new Integer(pixels), root); }
- protected final void VScroll(int pixels) { new Message("_VScroll", new Integer(pixels), root); }
- protected final void HScroll(float lines) { new Message("_HScroll", new Float(lines), root); }
- protected final void VScroll(float lines) { new Message("_VScroll", new Float(lines), root); }
-
- /** 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;
- pendingWidth = width;
- pendingHeight = height;
- syncRootBoxToSurface = true;
- 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() throws JSExn {
- root.x = x;
- root.y = y;
- root.putAndTriggerTrapsAndCatchExceptions("PosChange", T);
- }});
- }
-
- private final String[] doubleClick = new String[] { null, "_DoubleClick1", "_DoubleClick2", "_DoubleClick3" };
- 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); }
-
- private boolean scheduled = false;
- public void Refresh() { if (!scheduled) Scheduler.add(this); scheduled = true; }
- public void perform() { scheduled = false; Scheduler.renderAll(); }
-
- public final void setMaximized(boolean b) { if (b != maximized) _setMaximized(maximized = b); }
- public final void setMinimized(boolean b) { if (b != minimized) _setMinimized(minimized = b); }
-
-
- // Other Methods ///////////////////////////////////////////////////////////////////////////////
-
- /** Indicates that the Surface is no longer needed */
- public final void dispose(boolean quitIfAllSurfacesGone) {
- if (Log.on) Log.info(this, "disposing " + this);
- allSurfaces.removeElement(this);
- _dispose();
- if (allSurfaces.size() == 0) {
- if (Log.on) Log.info(this, "exiting because last surface was destroyed");
- System.exit(0);
- }
- }
-
- public void dirty(int x, int y, int w, int h) {
- dirtyRegions.dirty(x, y, w, h);
- Refresh();
- }
-
- 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;
- }
- return null;
- }
-
- public Surface(Box root) {
- this.root = root;
- root.setMaxWidth(JS.N(Math.min(Platform.getScreenWidth(), root.maxwidth)));
- root.setMaxHeight(JS.N(Math.min(Platform.getScreenHeight(), root.maxheight)));
- Surface old = fromBox(root);
- if (old != null) old.dispose(false);
- else root.removeSelf();
- Refresh();
- }
-
- private static VectorGraphics.Affine identity = VectorGraphics.Affine.identity();
-
- /** runs the prerender() and render() pipelines in the root Box to regenerate the backbuffer, then blits it to the screen */
- public synchronized void render() {
- scheduled = false;
- // make sure the root is properly sized
- do {
- abort = false;
- root.pack();
- 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);
- dirty(0, root.maxheight - Main.scarImage.height, Main.scarImage.width, Main.scarImage.height);
- }
- root.reflow();
- setSize(root.width, root.height);
- /*String oldcursor = cursor;
- cursor = "default";
- root.putAndTriggerTrapsAndCatchExceptions("_Move", JS.T);
- if (!cursor.equals(oldcursor)) syncCursor();*/
- } while(abort);
-
- int[][] dirt = dirtyRegions.flush();
- for(int i = 0; dirt != null && i < dirt.length; i++) {
- if (dirt[i] == null) continue;
- int x = dirt[i][0], y = dirt[i][1], w = dirt[i][2], h = dirt[i][3];
- if (x < 0) x = 0;
- if (y < 0) y = 0;
- if (x+w > root.width) w = root.width - x;
- if (y+h > root.height) h = root.height - y;
- 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, 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 Message implements Scheduler.Task {
-
- private Box boxContainingMouse;
- private Object value;
- public String name;
-
- Message(String name, Object value, Box boxContainingMouse) {
- this.boxContainingMouse = boxContainingMouse;
- this.name = name;
- this.value = value;
- Scheduler.add(this);
- }
-
- 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;
- } else if (name.equals("_HScroll") || name.equals("_VScroll")) {
- // FIXME: technically points != pixels
- if (value instanceof Integer)
- value = new Float(((Integer)value).intValue() * root.fontSize());
- }
- try {
- boxContainingMouse.putAndTriggerTrapsAndCatchExceptions(name, value);
- } finally {
- Platform.clipboardReadEnabled = false;
- }
- }
- public String toString() { return "Message [name=" + name + ", value=" + value + "]"; }
- }
-
-
- // Default PixelBuffer implementation /////////////////////////////////////////////////////////
-
- public static abstract class DoubleBufferedSurface extends Surface {
-
- public DoubleBufferedSurface(Box root) { super(root); }
- PixelBuffer backbuffer = Platform.createPixelBuffer(Platform.getScreenWidth(), Platform.getScreenHeight(), this);
- DirtyList screenDirtyRegions = new DirtyList();
-
- public void drawPicture(Picture source, int dx, int dy, int cx1, int cy1, int cx2, int cy2) {
- screenDirtyRegions.dirty(cx1, cy1, cx2 - cx1, cy2 - cy1);
- backbuffer.drawPicture(source, dx, dy, cx1, cy1, cx2, cy2);
- }
-
- public void drawGlyph(Font.Glyph source, int dx, int dy, int cx1, int cy1, int cx2, int cy2, int argb) {
- screenDirtyRegions.dirty(cx1, cy1, cx2 - cx1, cy2 - cy1);
- backbuffer.drawGlyph(source, dx, dy, cx1, cy1, cx2, cy2, argb);
- }
-
- public void fillTrapezoid(int x1, int x2, int y1, int x3, int x4, int y2, int color) {
- screenDirtyRegions.dirty(Math.min(x1, x3), y1, Math.max(x2, x4) - Math.min(x1, x3), y2 - y1);
- backbuffer.fillTrapezoid(x1, x2, y1, x3, x4, y2, color);
- }
-
- public void render() {
- super.render();
- if (abort) return;
- int[][] dirt = screenDirtyRegions.flush();
- for(int i = 0; dirt != null && i < dirt.length; i++) {
- if (dirt[i] == null) continue;
- int x = dirt[i][0];
- int y = dirt[i][1];
- int w = dirt[i][2];
- int h = dirt[i][3];
- if (x < 0) x = 0;
- if (y < 0) y = 0;
- 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);
- 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 */
- public abstract void blit(PixelBuffer source, int sx, int sy, int dx, int dy, int dx2, int dy2);
-
- }
-
-}
projects / org.ibex.core.git / blobdiff