1 // Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL]
6 import org.mozilla.javascript.*;
11 import java.awt.datatransfer.*;
12 import java.awt.image.*;
13 import java.awt.event.*;
16 /** Platform subclass for all VM's providing AWT 1.1 functionality */
17 public class AWT extends Platform {
19 protected String getDescriptiveName() { return "Generic JDK 1.1+ with AWT"; }
20 protected DoubleBuffer _createDoubleBuffer(int w, int h, Surface owner) { return new AWTDoubleBuffer(w, h); }
21 protected Picture _createPicture(int[] b, int w, int h) { return new AWTPicture(b, w, h); }
22 protected int _getScreenWidth() { return Toolkit.getDefaultToolkit().getScreenSize().width; }
23 protected int _getScreenHeight() { return Toolkit.getDefaultToolkit().getScreenSize().height; }
24 protected Surface _createSurface(Box b, boolean framed) { return new AWTSurface(b, framed); }
25 protected int _stringWidth(String font, String text) { return getFont(font).metrics.stringWidth(text); }
26 protected int _getMaxAscent(String font) { return getFont(font).metrics.getMaxAscent(); }
27 protected int _getMaxDescent(String font) { return getFont(font).metrics.getMaxDescent(); }
28 protected boolean _supressDirtyOnResize() { return true; }
30 protected String _getClipBoard() {
31 Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard();
32 if (cb == null) return null;
33 Transferable clipdata = cb.getContents(null);
34 try { return (String)clipdata.getTransferData(DataFlavor.stringFlavor); } catch (Exception ex) { return null; }
37 protected void _setClipBoard(String s) {
38 Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
39 if (clipboard == null) return;
40 StringSelection clipString = new StringSelection(s);
41 clipboard.setContents(clipString, clipString);
44 /** some platforms (cough, cough, NetscapeVM) have totally broken modifier masks; they will need to override this */
45 protected static int modifiersToButtonNumber(int modifiers) {
46 if ((modifiers & InputEvent.BUTTON1_MASK) == InputEvent.BUTTON1_MASK) return 1;
47 if ((modifiers & InputEvent.BUTTON2_MASK) == InputEvent.BUTTON2_MASK) return 3;
48 if ((modifiers & InputEvent.BUTTON3_MASK) == InputEvent.BUTTON3_MASK) return 2;
52 static class Open extends FileDialog implements WindowListener, ComponentListener {
54 public Open(String suggestedFileName, Semaphore s, boolean write) {
55 super(new Frame(), suggestedFileName, write ? FileDialog.SAVE : FileDialog.LOAD);
58 public void windowActivated(WindowEvent e) { }
59 public void windowClosed(WindowEvent e) { s.release(); }
60 public void windowClosing(WindowEvent e) { }
61 public void windowDeactivated(WindowEvent e) { }
62 public void windowDeiconified(WindowEvent e) { }
63 public void windowIconified(WindowEvent e) { }
64 public void windowOpened(WindowEvent e) { }
65 public void componentHidden(ComponentEvent e) { s.release(); }
66 public void componentMoved(ComponentEvent e) { }
67 public void componentResized(ComponentEvent e) { }
68 public void componentShown(ComponentEvent e) { }
71 protected String _fileDialog(String suggestedFileName, boolean write) {
72 Semaphore s = new Semaphore();
73 Open fd = new Open(suggestedFileName, s, write);
74 fd.addWindowListener(fd);
75 fd.addComponentListener(fd);
78 return fd.getDirectory() + File.separatorChar + fd.getFile();
81 protected void _saveFile(String suggestedFileName, ByteStream data) throws IOException { }
83 // Inner Classes /////////////////////////////////////////////////////////////////////////////////////
85 protected static class AWTPicture implements Picture {
86 public int getHeight() { return i.getHeight(null); }
87 public int getWidth() { return i.getWidth(null); }
88 public int[] getData() { return data; }
91 public Image i = null;
92 private static MediaTracker mediatracker = new MediaTracker(new Canvas());
93 private static ColorModel cmodel = new DirectColorModel(32, 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000);
95 public AWTPicture(int[] b, int w, int h) {
97 Image img = Toolkit.getDefaultToolkit().createImage(new MemoryImageSource(w, h, cmodel, b, 0, w));
98 mediatracker.addImage(img, 1);
99 try { mediatracker.waitForAll(); } catch (InterruptedException e) { }
100 mediatracker.removeImage(img);
105 protected static class AWTDoubleBuffer implements DoubleBuffer {
107 protected Image i = null;
108 protected Graphics g = null;
110 /** JDK1.1 platforms require that a component be associated with each off-screen buffer */
111 static Component component = null;
113 protected AWTDoubleBuffer() { }
114 public AWTDoubleBuffer(int w, int h) {
115 synchronized(AWTDoubleBuffer.class) {
116 if (component == null) {
117 component = new Frame();
118 component.setVisible(false);
119 component.addNotify();
122 i = component.createImage(w, h);
126 public int getHeight() { return i == null ? 0 : i.getHeight(null); }
127 public int getWidth() { return i == null ? 0 : i.getWidth(null); }
128 public void setClip(int x, int y, int x2, int y2) { g.setClip(x, y, x2 - x, y2 - y); }
130 public void drawPicture(Picture source, int x, int y) {
131 drawPicture(source, x, y, x + source.getWidth(), y + source.getHeight(), 0, 0, source.getWidth(), source.getHeight());
134 public void drawPicture(Picture source, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2) {
135 g.drawImage(((AWTPicture)source).i, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, null);
138 public void drawString(String font, String text, int x, int y, int argb) {
139 // FEATURE: use an LRU cache for Color objects
140 g.setColor(new Color((argb & 0x00FF0000) >> 16, (argb & 0x0000FF00) >> 8, (argb & 0x000000FF)));
141 g.setFont(getFont(font));
142 g.drawString(text, x, y + 2);
145 public void fillRect(int x, int y, int x2, int y2, int argb) {
146 // FEATURE: use an LRU cache for Color objects
147 g.setColor(new Color((argb & 0x00FF0000) >> 16, (argb & 0x0000FF00) >> 8, (argb & 0x000000FF)));
148 g.fillRect(x, y, x2 - x, y2 - y);
154 protected static class AWTSurface extends Surface
155 implements MouseListener, MouseMotionListener, KeyListener, ComponentListener, WindowListener {
157 public void blit(DoubleBuffer s, int sx, int sy, int dx, int dy, int dx2, int dy2) {
158 if (ourGraphics == null) ourGraphics = window.getGraphics();
159 ourGraphics.drawImage(((AWTDoubleBuffer)s).i, dx + insets.left, dy + insets.top, dx2 + insets.left, dy2 + insets.top,
160 sx, sy, sx + (dx2 - dx), sy + (dy2 - dy), null);
163 /** if (component instanceof Frame) then frame == window else frame == null */
165 Window window = null;
167 /** our component's insets */
168 protected Insets insets = new Insets(0, 0, 0, 0);
170 /** a Graphics context on <code>window</code> */
171 protected Graphics ourGraphics = null;
173 /** some JDKs let us recycle a single Dimension object when calling getSize() */
174 Dimension singleSize = new Dimension();
176 public void toBack() { if (window != null) window.toBack(); }
177 public void toFront() { if (window != null) window.toFront(); }
178 public void setLocation(int x, int y) { window.setLocation(x, y); }
179 public void setTitleBarText(String s) { if (frame != null) frame.setTitle(s); }
180 public void setIcon(Picture i) { if (frame != null) frame.setIconImage(((AWTPicture)i).i); }
181 public void setSize(int width, int height) { window.setSize(width + (insets.left + insets.right), height + (insets.top + insets.bottom)); }
182 public void setInvisible(boolean b) { window.setVisible(!b); }
183 protected void _setMinimized(boolean b) { if (Log.on) Log.log(this, "JDK 1.1 platforms cannot minimize or unminimize windows"); }
184 protected void _setMaximized(boolean b) {
186 if (Log.on) Log.log(this, "JDK 1.1 platforms cannot unmaximize windows");
189 window.setLocation(new Point(0, 0));
190 window.setSize(Toolkit.getDefaultToolkit().getScreenSize());
193 class InnerFrame extends Frame {
194 public InnerFrame() throws java.lang.UnsupportedOperationException { }
195 public void update(Graphics gr) { paint(gr); }
196 public void paint(Graphics gr) {
197 Rectangle r = gr.getClipBounds();
199 // ugly hack for Java1.4 dynamicLayout on Win32 -- this catches expansions during smooth resize
200 int newwidth = Math.max(r.x - insets.left + r.width, width);
201 int newheight = Math.max(r.y - insets.top + r.height, height);
202 if (newwidth > width || newheight > height)
203 componentResized(window.getWidth() - insets.left - insets.right, window.getHeight() - insets.top - insets.bottom);
205 Dirty(r.x - insets.left, r.y - insets.top, r.width, r.height);
207 // this is safe because AWT's low-level drawing functions are threadsafe
208 blitDirtyScreenRegions();
212 class InnerWindow extends Window {
213 public InnerWindow() throws java.lang.UnsupportedOperationException { super(new Frame()); }
214 public void update(Graphics gr) { paint(gr); }
215 public void paint(Graphics gr) {
216 Rectangle r = gr.getClipBounds();
217 Dirty(r.x - insets.left, r.y - insets.top, r.width, r.height);
219 // this is safe because AWT's low-level drawing functions are threadsafe
220 blitDirtyScreenRegions();
224 AWTSurface(Box root, boolean framed) {
227 if (framed) window = frame = new InnerFrame();
228 else window = new InnerWindow();
230 // this is here to catch HeadlessException on jdk1.4
231 } catch (java.lang.UnsupportedOperationException e) {
232 if (Log.on) Log.log(this, "Exception thrown in AWTSurface$InnerFrame() -- this should never happen");
233 if (Log.on) Log.log(this, e);
236 insets = window.getInsets();
238 window.addMouseListener(this);
239 window.addKeyListener(this);
240 window.addComponentListener(this);
241 window.addMouseMotionListener(this);
242 window.addWindowListener(this);
244 // IMPORTANT: this must be called before render() to ensure
245 // that our peer has been created
246 window.setVisible(true);
250 public void _dispose() {
251 window.removeMouseListener(this);
253 // removed to work around a jdk1.3 bug
254 /* window.removeKeyListener(this); */
256 window.removeComponentListener(this);
257 window.removeMouseMotionListener(this);
258 window.removeWindowListener(this);
262 public void syncCursor() {
263 if (cursor.equals("crosshair")) window.setCursor(Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR));
264 else if (cursor.equals("east")) window.setCursor(Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR));
265 else if (cursor.equals("move")) window.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
266 else if (cursor.equals("north")) window.setCursor(Cursor.getPredefinedCursor(Cursor.N_RESIZE_CURSOR));
267 else if (cursor.equals("northeast")) window.setCursor(Cursor.getPredefinedCursor(Cursor.NE_RESIZE_CURSOR));
268 else if (cursor.equals("northwest")) window.setCursor(Cursor.getPredefinedCursor(Cursor.NW_RESIZE_CURSOR));
269 else if (cursor.equals("south")) window.setCursor(Cursor.getPredefinedCursor(Cursor.S_RESIZE_CURSOR));
270 else if (cursor.equals("southeast")) window.setCursor(Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR));
271 else if (cursor.equals("southwest")) window.setCursor(Cursor.getPredefinedCursor(Cursor.SW_RESIZE_CURSOR));
272 else if (cursor.equals("text")) window.setCursor(Cursor.getPredefinedCursor(Cursor.TEXT_CURSOR));
273 else if (cursor.equals("west")) window.setCursor(Cursor.getPredefinedCursor(Cursor.W_RESIZE_CURSOR));
274 else if (cursor.equals("wait")) window.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
275 else if (cursor.equals("hand")) window.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
276 else window.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
279 // AWT Message translation ////////////////////////////////////////////////////////////////
281 // these functions are all executed in the AWT thread, not the
282 // MessageQueue thread. As a result, they must be *extremely*
283 // careful about invoking methods on instances of Box. Currently,
284 // they should only enqueue messages, use Box.whoIs()
285 // (unsynchronized but thought to be safe), and modify members of
288 public void componentHidden(ComponentEvent e) { }
289 public void componentShown(ComponentEvent e) { }
290 public void windowOpened(WindowEvent e) { }
291 public void windowClosed(WindowEvent e) { }
292 public void windowClosing(WindowEvent e) { Close(); }
293 public void windowIconified(WindowEvent e) { Minimized(true); }
294 public void windowDeiconified(WindowEvent e) { dirty(0, 0, width, height); Minimized(false); }
295 public void windowActivated(WindowEvent e) { Focused(true); }
296 public void windowDeactivated(WindowEvent e) { Focused(false); }
297 public void componentMoved(ComponentEvent e) { PosChange(window.getLocation().x, window.getLocation().y); }
299 public void componentResized(ComponentEvent e) {
300 // we have to periodically do this; I don't know why
301 insets = window.getInsets();
302 componentResized(window.getWidth() - insets.left - insets.right, window.getHeight() - insets.top - insets.bottom);
305 public void componentResized(int newwidth, int newheight) {
306 int oldwidth = width;
307 int oldheight = height;
308 SizeChange(newwidth, newheight);
310 // we do this because JVMs which don't clear the background won't force repaints of these areas
311 root.dirty(Math.min(oldwidth, newwidth), 0, Math.abs(oldwidth - newwidth), Math.max(oldheight, newheight));
312 root.dirty(0, Math.min(oldheight, newheight), Math.max(oldwidth, newwidth), Math.abs(oldheight - newheight));
317 public void keyTyped(KeyEvent k) { }
318 public void keyPressed(KeyEvent k) { KeyPressed(translateKey(k)); }
319 public void keyReleased(KeyEvent k) { KeyReleased(translateKey(k)); }
320 public void mouseExited(MouseEvent m) { mouseMoved(m); }
321 public void mouseEntered(MouseEvent m) { mouseMoved(m); }
322 public void mouseDragged(MouseEvent m) { mouseMoved(m); }
323 public void mouseMoved(MouseEvent m) {
325 // ugly hack for Java1.4 dynamicLayout on Win32 -- this catches contractions during smooth resize
326 int newwidth = window.getWidth() - insets.left - insets.right;
327 int newheight = window.getHeight() - insets.top - insets.bottom;
328 if (newwidth != width || newheight != height) componentResized(newwidth, newheight);
330 Move(m.getX() - insets.left, m.getY() - insets.top);
332 public void mousePressed(MouseEvent m) { Press(modifiersToButtonNumber(m.getModifiers())); }
333 public void mouseReleased(MouseEvent m) { Release(modifiersToButtonNumber(m.getModifiers())); }
334 public void mouseClicked(MouseEvent m) {
335 if (m.getClickCount() == 2) DoubleClick(modifiersToButtonNumber(m.getModifiers()));
336 else Click(modifiersToButtonNumber(m.getModifiers()));
339 String translateKey(KeyEvent k) {
340 switch (k.getKeyCode()) {
341 case KeyEvent.VK_ALT: return "alt";
342 case KeyEvent.VK_BACK_SPACE: return "back_space";
343 case KeyEvent.VK_CONTROL: return "control";
344 case KeyEvent.VK_DELETE: return "delete";
345 case KeyEvent.VK_DOWN: return "down";
346 case KeyEvent.VK_END: return "end";
347 case KeyEvent.VK_ENTER: return "enter";
348 case KeyEvent.VK_ESCAPE: return "escape";
349 case KeyEvent.VK_F1: return "f1";
350 case KeyEvent.VK_F10: return "f10";
351 case KeyEvent.VK_F11: return "f11";
352 case KeyEvent.VK_F12: return "f12";
353 case KeyEvent.VK_F2: return "f2";
354 case KeyEvent.VK_F3: return "f3";
355 case KeyEvent.VK_F4: return "f4";
356 case KeyEvent.VK_F5: return "f5";
357 case KeyEvent.VK_F6: return "f6";
358 case KeyEvent.VK_F7: return "f7";
359 case KeyEvent.VK_F8: return "f8";
360 case KeyEvent.VK_F9: return "f9";
361 case KeyEvent.VK_HOME: return "home";
362 case KeyEvent.VK_INSERT: return "insert";
363 case KeyEvent.VK_LEFT: return "left";
364 case KeyEvent.VK_META: return "alt";
365 case KeyEvent.VK_PAGE_DOWN: return "page_down";
366 case KeyEvent.VK_PAGE_UP: return "page_up";
367 case KeyEvent.VK_PAUSE: return "pause";
368 case KeyEvent.VK_PRINTSCREEN: return "printscreen";
369 case KeyEvent.VK_RIGHT: return "right";
370 case KeyEvent.VK_SHIFT: return "shift";
371 case KeyEvent.VK_TAB: return "tab";
372 case KeyEvent.VK_UP: return "up";
374 // we special-case letters since (C-a).getKeyChar() != 'a'
375 case KeyEvent.VK_A: return "a";
376 case KeyEvent.VK_B: return "b";
377 case KeyEvent.VK_C: return "c";
378 case KeyEvent.VK_D: return "d";
379 case KeyEvent.VK_E: return "e";
380 case KeyEvent.VK_F: return "f";
381 case KeyEvent.VK_G: return "g";
382 case KeyEvent.VK_H: return "h";
383 case KeyEvent.VK_I: return "i";
384 case KeyEvent.VK_J: return "j";
385 case KeyEvent.VK_K: return "k";
386 case KeyEvent.VK_L: return "l";
387 case KeyEvent.VK_M: return "m";
388 case KeyEvent.VK_N: return "n";
389 case KeyEvent.VK_O: return "o";
390 case KeyEvent.VK_P: return "p";
391 case KeyEvent.VK_Q: return "q";
392 case KeyEvent.VK_R: return "r";
393 case KeyEvent.VK_S: return "s";
394 case KeyEvent.VK_T: return "t";
395 case KeyEvent.VK_U: return "u";
396 case KeyEvent.VK_V: return "v";
397 case KeyEvent.VK_W: return "w";
398 case KeyEvent.VK_X: return "x";
399 case KeyEvent.VK_Y: return "y";
400 case KeyEvent.VK_Z: return "z";
401 default: return String.valueOf(k.getKeyChar());
406 // Font Handling Stuff //////////////////////////////////////////////////////////
408 protected String[] _listFonts() { return fontList; }
409 private static String[] fontList;
411 String[] awtfonts = Toolkit.getDefaultToolkit().getFontList();
412 fontList = new String[awtfonts.length * 4];
413 for(int i=0; i<awtfonts.length; i++) {
414 fontList[i * 4] = awtfonts[i] + "*";
415 fontList[i * 4 + 1] = awtfonts[i] + "*b";
416 fontList[i * 4 + 2] = awtfonts[i] + "*i";
417 fontList[i * 4 + 3] = awtfonts[i] + "*bi";
421 private static Hash fontCache = new Hash();
422 private static ParsedFont pf = new ParsedFont();
423 private static MetricatedFont getFont(String font) {
424 MetricatedFont ret = (MetricatedFont)fontCache.get(font);
427 if (pf.name.equals("tty")) pf.name = "monospace";
428 ret = new MetricatedFont(pf.name, (pf.bold ? Font.BOLD : 0) | (pf.italic ? Font.ITALIC : 0), pf.size);
429 fontCache.put(font, ret);
434 private static class MetricatedFont extends Font {
435 public FontMetrics metrics = null;
436 public MetricatedFont(String name, int size, int style) {
437 super(name, size, style);
438 metrics = Toolkit.getDefaultToolkit().getFontMetrics(this);