+++ /dev/null
-// Copyright 2004 Adam Megacz, see the COPYING file for licensing [LGPL]
-package org.xwt.plat;
-
-import gnu.gcj.RawData;
-import java.net.*;
-import java.lang.reflect.*;
-import java.io.*;
-import java.util.*;
-import org.xwt.js.*;
-import org.xwt.util.*;
-import org.xwt.*;
-
-/** Platform implementation for POSIX compliant operating systems with an X11 Server */
-public class X11 extends POSIX {
-
- // Static Data ///////////////////////////////////////////////////////////
-
- /**
- * When the user reads from the clipboard, the main thread blocks
- * on this semaphore until we get an X11 SelectionNotify. Crude,
- * but effective. We know that only one thread will ever block on
- * this, since only one thread can ever be running JavaScript.
- */
- public static Semaphore waiting_for_selection_event = new Semaphore();
-
- /** our local (in-process) copy of the clipboard */
- public static String clipboard = null;
-
- /** map from Window's (casted to jlong, wrapped in java.lang.Long) to X11Surface objects */
- public static Hashtable windowToSurfaceMap = new Hashtable();
-
-
- // General Methods ///////////////////////////////////////////////////////
-
- protected String _getAltKeyName() { return System.getProperty("os.name", "").indexOf("SunOS") != -1 ? "Meta" : "Alt"; }
-
- protected Picture _createPicture(JS r) { return new X11Picture(r); }
- protected PixelBuffer _createPixelBuffer(int w, int h, Surface owner) { return new X11PixelBuffer(w, h); }
- protected Surface _createSurface(Box b, boolean framed) { return new X11Surface(b, framed); }
- protected boolean _needsAutoClick() { return true; }
- protected native int _getScreenWidth();
- protected native int _getScreenHeight();
- protected native String _getClipBoard();
- protected native void _setClipBoard(String s);
- protected boolean _needsAutoDoubleClick() { return true; }
- protected native void eventThread();
- private native void natInit();
-
- public X11() { }
- public void postInit() {
- natInit();
- (new Thread() { public void run() { eventThread(); } }).start();
- }
-
- // X11Surface /////////////////////////////////////////////////////
-
- /** Implements a Surface as an X11 Window */
- public static class X11Surface extends Surface.DoubleBufferedSurface {
-
- gnu.gcj.RawData window;
- gnu.gcj.RawData gc;
- boolean framed = false;
- Semaphore waitForCreation = new Semaphore();
-
- public native void setInvisible(boolean i);
- public void _setMaximized(boolean m) { if (Log.on) Log.warn(this, "X11 can't maximize windows"); }
- public native void setIcon(Picture p);
- public native void _setMinimized(boolean b);
- public native void setTitleBarText(String s);
- public native void _setSize(int w, int h);
- public native void setLocation();
- public native void natInit();
- public native void toFront();
- public native void toBack();
- public native void syncCursor();
- public native void _dispose();
- public native void setLimits(int minw, int minh, int maxw, int maxh);
- public native void blit(PixelBuffer s, int sx, int sy, int dx, int dy, int dx2, int dy2);
- public native void dispatchEvent(gnu.gcj.RawData ev);
- public void setMinimumSize(int minx, int miny, boolean resizable) {
- setLimits(minx, miny, resizable ? Short.MAX_VALUE : minx, resizable ? Short.MAX_VALUE : miny);
- }
- public X11Surface(Box root, boolean framed) {
- super(root);
- this.framed = framed;
- natInit();
- }
-
- }
-
-
- // Our Subclass of Picture ///////////////////////////////////////////////
-
- /**
- * Implements a Picture. No special X11 structure is created
- * unless the image has no alpha (in which case a
- * non-shared-pixmap PixelBuffer is created), or all-or-nothing
- * alpha (in which case a non-shared-pixmap PixelBuffer with a
- * stipple bitmap is created).
- */
- public static class X11Picture extends Picture {
-
- public X11PixelBuffer doublebuf = null;
-
- public int getWidth() { return width; }
- public int getHeight() { return height; }
-
- boolean initialized = false;
- public X11Picture(JS r) { super(r); }
- public void init() {
- if (initialized) return;
- initialized = true;
- boolean needsStipple = false;
-
- // if we have any non-0x00, non-0xFF alphas, we can't double buffer ourselves
- for(int i=0; i<width*height; i++)
- if ((data[i] & 0xFF000000) == 0xFF000000)
- needsStipple = true;
- else if ((data[i] & 0xFF000000) != 0x00)
- return;
-
- buildPixelBuffer(needsStipple);
- }
-
- void buildPixelBuffer(boolean needsStipple) {
- if (doublebuf != null) return;
- // no point in using a shared pixmap since we'll only write to this image once
- X11PixelBuffer b = new X11PixelBuffer(width, height, false);
- b.drawPicture(this, 0, 0, 0, 0, width, height);
- if (needsStipple) b.createStipple(this);
- doublebuf = b;
- }
- }
-
- /**
- * An X11PixelBuffer is implemented as an X11 pixmap. "Normal"
- * PixelBuffers will use XShm shared pixmaps if
- * available. X11PixelBuffers created to accelerate Pictures
- * with all-or-nothing alpha will not use shared pixmaps, however
- * (since they are only written to once.
- */
- public static class X11PixelBuffer extends PixelBuffer {
-
- int clipx, clipy, clipw, cliph;
- int width;
- int height;
-
- /** PixelBuffers of X11Pictures can have stipples -- the stipple of the Picture */
- RawData stipple = null;
-
- /** Sets the PixelBuffer's internal stipple to the alpha==0x00 regions of xpi */
- public native void createStipple(X11Picture xpi);
-
- RawData pm; // Pixmap (if any) representing this Picture
- boolean shared_pixmap = false; // true if pm is a ShmPixmap
- RawData fake_ximage = null; // a 'fake' XImage corresponding to the shared pixmap; gives us the address and depth parameters
- RawData shm_segment = null; // XShmSegmentInfo
-
- RawData gc; // Graphics Interpreter on pm (never changes, so it's fast)
- RawData clipped_gc; // Graphics Interpreter on pm, use this one if you need a clip/stipple
-
- /** PixelBuffer mode */
- public X11PixelBuffer(int w, int h) { this(w, h, true); }
- public X11PixelBuffer(int w, int h, boolean shared_pixmap) {
- width = clipw = w;
- height = cliph = h;
- clipx = clipy = 0;
- this.shared_pixmap = shared_pixmap;
- natInit();
- }
-
- public void drawGlyph(Font.Glyph source, int dx, int dy, int cx1, int cy1, int cx2, int cy2, int rgb) {
- cx1 = Math.max(dx, cx1);
- cy1 = Math.max(dy, cy1);
- cx2 = Math.min(dx + source.width, cx2);
- cy2 = Math.min(dy + source.height, cy2);
- if (cx1 >= cx2 || cy1 >= cy2) return;
- X11Picture pic = (X11Picture)((Platform.DefaultGlyph)source).getPicture();
- pic.init();
- slowDrawPicture(pic, dx, dy, cx1, cy1, cx2, cy2, rgb, true);
- }
- public void drawPicture(Picture source, int dx, int dy, int cx1, int cy1, int cx2, int cy2) {
- cx1 = Math.max(dx, cx1);
- cy1 = Math.max(dy, cy1);
- cx2 = Math.min(dx + source.width, cx2);
- cy2 = Math.min(dy + source.height, cy2);
- if (cx1 >= cx2 || cy1 >= cy2) return;
- ((X11Picture)source).init();
- if (((X11Picture)source).doublebuf != null)
- fastDrawPicture(source, dx, dy, cx1, cy1, cx2, cy2);
- else
- slowDrawPicture(source, dx, dy, cx1, cy1, cx2, cy2, 0, false);
- }
-
- /** fast path for image drawing (no scaling, all-or-nothing alpha) */
- public native void fastDrawPicture(Picture source, int dx, int dy, int cx1, int cy1, int cx2, int cy2);
-
- /** slow path for image drawing */
- public native void slowDrawPicture(Picture source, int dx, int dy, int cx1, int cy1, int cx2, int cy2, int rgb, boolean alphaOnly);
-
- public int getWidth() { return width; }
- public int getHeight() { return height; }
- public native void natInit();
- public native void fillRect(int x, int y, int x2, int y2, int color);
- public native void finalize();
-
- // FIXME: try to use os acceleration
- public void fillTrapezoid(int x1, int x2, int y1, int x3, int x4, int y2, int argb) {
- if (x1 == x3 && x2 == x4) {
- fillRect(x1, y1, x4, y2, argb);
- } else for(int y=y1; y<y2; y++) {
- int _x1 = (int)Math.floor((y - y1) * (x3 - x1) / (y2 - y1) + x1);
- int _y1 = (int)Math.floor(y);
- int _x2 = (int)Math.ceil((y - y1) * (x4 - x2) / (y2 - y1) + x2);
- int _y2 = (int)Math.floor(y) + 1;
- if (_x1 > _x2) { int _x0 = _x1; _x1 = _x2; _x2 = _x0; }
- fillRect(_x1, _y1, _x2, _y2, argb);
- }
- }
- }
-
-}
projects / org.ibex.core.git / blobdiff