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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/java/awt/peer/qt/QtComponentPeer.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/java/awt/peer/qt/QtComponentPeer.java | 834 |
1 files changed, 834 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/awt/peer/qt/QtComponentPeer.java b/gcc-4.4.3/libjava/classpath/gnu/java/awt/peer/qt/QtComponentPeer.java new file mode 100644 index 000000000..334f59088 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/awt/peer/qt/QtComponentPeer.java @@ -0,0 +1,834 @@ +/* QtComponentPeer.java -- + Copyright (C) 2005, 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package gnu.java.awt.peer.qt; + +import java.awt.AWTEvent; +import java.awt.AWTException; +import java.awt.BufferCapabilities; +import java.awt.Component; +import java.awt.Color; +import java.awt.Cursor; +import java.awt.Dimension; +import java.awt.Font; +import java.awt.FontMetrics; +import java.awt.Image; +import java.awt.Graphics; +import java.awt.Graphics2D; +import java.awt.GraphicsConfiguration; +import java.awt.GraphicsDevice; +import java.awt.KeyboardFocusManager; +import java.awt.Point; +import java.awt.Rectangle; +import java.awt.Toolkit; +import java.awt.Window; +import java.awt.peer.ComponentPeer; +import java.awt.peer.ContainerPeer; +import java.awt.image.ColorModel; +import java.awt.image.VolatileImage; +import java.awt.image.ImageObserver; +import java.awt.image.ImageProducer; +import java.awt.event.ComponentEvent; // 100% +import java.awt.event.FocusEvent; // 100% +import java.awt.event.InputEvent; // (abstract) +import java.awt.event.KeyEvent; // 2/3 +import java.awt.event.MouseEvent; // 70%? +import java.awt.event.PaintEvent; // Yup. +import java.awt.event.WindowEvent; // 2/ 12 +import java.util.Timer; +import java.util.TimerTask; + +public class QtComponentPeer extends NativeWrapper implements ComponentPeer +{ + + /** + * Popup trigger button, may differ between platforms + */ + protected static final int POPUP_TRIGGER = 3; + + /** + * The toolkit which manufactured this peer. + */ + protected QtToolkit toolkit; + + /** + * The component which owns this peer. + */ + Component owner; + + /** + * Classpath updates our eventMask. + */ + private long eventMask; + + /** + * if the thing has mouse motion listeners or not. + */ + private boolean hasMotionListeners; + + /** + * The component's double buffer for off-screen drawing. + */ + protected QtImage backBuffer; + + protected long qtApp; + + private boolean settingUp; + + private boolean ignoreResize = false; + + QtComponentPeer( QtToolkit kit, Component owner ) + { + this.owner = owner; + this.toolkit = kit; + qtApp = QtToolkit.guiThread.QApplicationPointer; + nativeObject = 0; + synchronized(this) + { + callInit(); // Calls the init method FROM THE MAIN THREAD. + try + { + wait(); // Wait for the thing to be created. + } + catch(InterruptedException e) + { + } + } + setup(); + hasMotionListeners = false; + } + + protected native void callInit(); + + /** + * Init does the creation of native widgets, it is therefore + * called from the main thread. (the constructor waits for this to happen.) + */ + protected void init() + { + } + + protected void setup() + { + settingUp = true; + if (owner != null) + { + if (owner instanceof javax.swing.JComponent) + setBackground(owner.getBackground()); + else + owner.setBackground(getNativeBackground()); + + if (owner.getForeground() != null) + setForeground(owner.getForeground()); + else + setForeground( Color.black ); + + if (owner.getCursor() != null) + if (owner.getCursor().getType() != Cursor.DEFAULT_CURSOR) + setCursor(owner.getCursor()); + + if (owner.getFont() != null) + setFont(owner.getFont()); + + setEnabled( owner.isEnabled() ); + + backBuffer = null; + updateBounds(); + + setVisible( owner.isVisible() ); + QtToolkit.repaintThread.queueComponent(this); + } + settingUp = false; + } + + native void QtUpdate(); + native void QtUpdateArea( int x, int y, int w, int h ); + private synchronized native void disposeNative(); + private native void setGround( int r, int g, int b, boolean isForeground ); + private native void setBoundsNative( int x, int y, int width, int height ); + private native void setCursor( int ctype ); + private native Color getNativeBackground(); + private native void setFontNative( QtFontPeer fp ); + private native int whichScreen(); + private native void reparentNative( QtContainerPeer parent ); + private native void getLocationOnScreenNative( Point p ); + + private boolean drawableComponent() + { + return ((this instanceof QtContainerPeer && + !(this instanceof QtScrollPanePeer)) || + (this instanceof QtCanvasPeer)); + } + + void updateBounds() + { + Rectangle r = owner.getBounds(); + setBounds( r.x, r.y, r.width, r.height ); + } + + synchronized void updateBackBuffer(int width, int height) + { + if(width <= 0 || height <= 0) + return; + + if( !drawableComponent() && backBuffer == null) + return; + + if( backBuffer != null ) + { + if( width < backBuffer.width && height < backBuffer.height ) + return; + backBuffer.dispose(); + } + backBuffer = new QtImage(width, height); + } + + + // ************ Event methods ********************* + + /** + * Window closing event + */ + protected void closeEvent() + { + if (owner instanceof Window) + { + WindowEvent e = new WindowEvent((Window)owner, + WindowEvent.WINDOW_CLOSING); + QtToolkit.eventQueue.postEvent(e); + } + } + + protected void enterEvent(int modifiers, int x, int y, int dummy) + { + MouseEvent e = new MouseEvent(owner, + MouseEvent.MOUSE_ENTERED, + System.currentTimeMillis(), + (modifiers & 0x2FF), x, y, 0, false); + QtToolkit.eventQueue.postEvent(e); + } + + protected void focusInEvent() + { + FocusEvent e = new FocusEvent(owner, FocusEvent.FOCUS_GAINED); + QtToolkit.eventQueue.postEvent(e); + } + + protected void focusOutEvent() + { + FocusEvent e = new FocusEvent(owner, FocusEvent.FOCUS_LOST); + QtToolkit.eventQueue.postEvent(e); + } + + protected void keyPressEvent(int modifiers, int code, int unicode, int dummy) + { + KeyboardFocusManager manager = KeyboardFocusManager.getCurrentKeyboardFocusManager (); + KeyEvent e = new KeyEvent(owner, + KeyEvent.KEY_PRESSED, + System.currentTimeMillis(), + modifiers, code, (char)(unicode & 0xFFFF), + KeyEvent.KEY_LOCATION_UNKNOWN); + if (!manager.dispatchEvent (e)) + QtToolkit.eventQueue.postEvent(e); + } + + protected void keyReleaseEvent(int modifiers, int code, int unicode, int dummy) + { + KeyEvent e = new KeyEvent(owner, + KeyEvent.KEY_RELEASED, + System.currentTimeMillis(), + modifiers, code, (char)(unicode & 0xFFFF), + KeyEvent.KEY_LOCATION_UNKNOWN); + QtToolkit.eventQueue.postEvent(e); + } + + protected void leaveEvent(int modifiers, int x, int y, int dummy) + { + MouseEvent e = new MouseEvent(owner, + MouseEvent.MOUSE_EXITED, + System.currentTimeMillis(), + (modifiers & 0x2FF), x, y, 0, false); + QtToolkit.eventQueue.postEvent(e); + } + + // FIXME: Coalesce press-release events into clicks. + protected void mouseDoubleClickEvent( int modifiers, int x, int y, int clickCount) + { + if( (eventMask & AWTEvent.MOUSE_EVENT_MASK) == 0 ) + return; + int button = 0; + if((modifiers & InputEvent.BUTTON1_DOWN_MASK) == + InputEvent.BUTTON1_DOWN_MASK) button = 1; + if((modifiers & InputEvent.BUTTON2_DOWN_MASK) == + InputEvent.BUTTON2_DOWN_MASK) button = 2; + if((modifiers & InputEvent.BUTTON3_DOWN_MASK) == + InputEvent.BUTTON3_DOWN_MASK) button = 3; + MouseEvent e = new MouseEvent(owner, + MouseEvent.MOUSE_CLICKED, + System.currentTimeMillis(), + (modifiers & 0x2FF), x, y, clickCount, + false, button); + QtToolkit.eventQueue.postEvent(e); + } + + protected void mouseMoveEvent( int modifiers, int x, int y, int clickCount) + { + if( (eventMask & AWTEvent.MOUSE_EVENT_MASK) == 0 ) + return; + + int button = 0; + if((modifiers & InputEvent.BUTTON1_DOWN_MASK) == + InputEvent.BUTTON1_DOWN_MASK) button = 1; + if((modifiers & InputEvent.BUTTON2_DOWN_MASK) == + InputEvent.BUTTON2_DOWN_MASK) button = 2; + if((modifiers & InputEvent.BUTTON3_DOWN_MASK) == + InputEvent.BUTTON3_DOWN_MASK) button = 3; + + int type = (button != 0) ? + MouseEvent.MOUSE_DRAGGED :MouseEvent.MOUSE_MOVED; + + MouseEvent e = new MouseEvent(owner, + type, + System.currentTimeMillis(), + (modifiers & 0x2FF), x, y, clickCount, + false, button); + QtToolkit.eventQueue.postEvent(e); + } + + protected void mousePressEvent( int modifiers, int x, int y, int clickCount) + { + if( (eventMask & AWTEvent.MOUSE_EVENT_MASK) == 0 ) + return; + int button = 0; + if((modifiers & InputEvent.BUTTON1_DOWN_MASK) == + InputEvent.BUTTON1_DOWN_MASK) button = 1; + if((modifiers & InputEvent.BUTTON2_DOWN_MASK) == + InputEvent.BUTTON2_DOWN_MASK) button = 2; + if((modifiers & InputEvent.BUTTON3_DOWN_MASK) == + InputEvent.BUTTON3_DOWN_MASK) button = 3; + MouseEvent e = new MouseEvent(owner, + MouseEvent.MOUSE_PRESSED, + System.currentTimeMillis(), + (modifiers & 0x2FF), x, y, clickCount, + ( button == POPUP_TRIGGER ), + button); + QtToolkit.eventQueue.postEvent(e); + } + + protected void mouseReleaseEvent( int modifiers, int x, int y, int clickCount) + { + if( (eventMask & AWTEvent.MOUSE_EVENT_MASK) == 0 ) + return; + int button = 0; + if((modifiers & InputEvent.BUTTON1_DOWN_MASK) == + InputEvent.BUTTON1_DOWN_MASK) button = 1; + if((modifiers & InputEvent.BUTTON2_DOWN_MASK) == + InputEvent.BUTTON2_DOWN_MASK) button = 2; + if((modifiers & InputEvent.BUTTON3_DOWN_MASK) == + InputEvent.BUTTON3_DOWN_MASK) button = 3; + + MouseEvent e = new MouseEvent(owner, + MouseEvent.MOUSE_RELEASED, + System.currentTimeMillis(), + (modifiers & 0x2FF), x, y, clickCount, + false, button); + QtToolkit.eventQueue.postEvent(e); + } + + protected void moveEvent(int x, int y, int oldx, int oldy) + { + if( !ignoreResize ) + { + // Since Component.setLocation calls back to setBounds, + // we need to ignore that. + ignoreResize = true; + owner.setLocation( x, y ); + ignoreResize = false; + } + } + + protected void resizeEvent(int oldWidth, int oldHeight, + int width, int height) + { + if(!(owner instanceof Window)) + return; + updateBackBuffer(width, height); + ignoreResize = true; + owner.setSize(width, height); + ignoreResize = false; + ComponentEvent e = new ComponentEvent(owner, + ComponentEvent.COMPONENT_RESIZED); + QtToolkit.eventQueue.postEvent(e); + QtToolkit.repaintThread.queueComponent(this); + } + + protected void showEvent() + { + if (owner instanceof Window) + { + WindowEvent e = new WindowEvent((Window)owner, + WindowEvent.WINDOW_OPENED); + QtToolkit.eventQueue.postEvent(e); + } + else + { + ComponentEvent e = new ComponentEvent(owner, + ComponentEvent.COMPONENT_SHOWN); + QtToolkit.eventQueue.postEvent(e); + } + } + + protected void hideEvent() + { + ComponentEvent e = new ComponentEvent(owner, + ComponentEvent.COMPONENT_HIDDEN); + QtToolkit.eventQueue.postEvent(e); + } + + // ************ Public methods ********************* + + /** Classpath-specific method */ + public void setEventMask(long x) + { + eventMask = x; + } + + + public boolean canDetermineObscurity() + { + return true; + } + + public int checkImage(Image img, + int w, + int h, + ImageObserver o) + { + return toolkit.checkImage(img, w, h, o); + } + + public void createBuffers(int numBuffers, BufferCapabilities caps) + throws AWTException + { + // FIXME + } + + public Image createImage(ImageProducer producer) + { + return toolkit.createImage(producer); + } + + public Image createImage(int width, int height) + { + return new QtImage(width, height); + } + + public void coalescePaintEvent(PaintEvent e) + { + // FIXME + } + + public VolatileImage createVolatileImage(int w, int h) + { + return new QtVolatileImage( w, h ); + } + + public void destroyBuffers() + { + // FIXME + } + + public void disable() + { + setEnabled(false); + } + + public void dispose() + { + disposeNative(); + if( backBuffer != null ) + backBuffer.dispose(); + } + + public void enable() + { + setEnabled(true); + } + + public void finalize() + { + dispose(); + } + + public void flip(BufferCapabilities.FlipContents contents) + { + } + + public Image getBackBuffer() + { + return backBuffer; + } + + public ColorModel getColorModel() + { + return toolkit.getColorModel(); + } + + public FontMetrics getFontMetrics(Font font) + { + return new QtFontMetrics( font, getGraphics() ); + } + + public Graphics getGraphics() + { + if( backBuffer == null ) + { + Rectangle r = owner.getBounds(); + backBuffer = new QtImage( r.width, r.height ); + } + return backBuffer.getDirectGraphics( this ); + } + + public GraphicsConfiguration getGraphicsConfiguration() + { + int id = whichScreen(); // get the ID of the screen the widget is on. + GraphicsDevice[] devs = QtToolkit.graphicsEnv.getScreenDevices(); + return devs[id].getDefaultConfiguration(); + } + + public Point getLocationOnScreen() + { + Point p = new Point(); + synchronized( p ) + { + getLocationOnScreenNative( p ); + try + { + p.wait(); // Wait for the thing to be created. + } + catch(InterruptedException e) + { + } + } + return p; + } + + private native void getSizeNative(Dimension d, boolean preferred); + + private Dimension getSize(boolean preferred) + { + Dimension d = new Dimension(); + synchronized( d ) + { + getSizeNative(d, preferred); + try + { + d.wait(); // Wait for the thing to be created. + } + catch(InterruptedException e) + { + } + } + return d; + } + + public Dimension getMinimumSize() + { + return getSize( false ); + } + + public Dimension getPreferredSize() + { + return getSize( true ); + } + + public Toolkit getToolkit() + { + return toolkit; + } + + public native boolean handlesWheelScrolling(); + + public void hide() + { + setVisible(false); + } + + public native boolean isFocusable(); + + public boolean isFocusTraversable() + { + // FIXME + return false; + } + + public native boolean isObscured(); + + public Dimension minimumSize() + { + return getMinimumSize(); + } + + public Dimension preferredSize() + { + return getPreferredSize(); + } + + public native void requestFocus(); + + public boolean requestFocus (Component source, boolean bool1, + boolean bool2, long x) + { + // FIXME + return true; + } + + public void reshape(int x, + int y, + int width, + int height) + { + setBounds( x, y, width, height ); + } + + public void setBackground(Color c) + { + if(c == null && !settingUp) + return; + setGround(c.getRed(), c.getGreen(), c.getBlue(), false); + } + + public void setBounds(int x, int y, int width, int height) + { + if( ignoreResize ) + return; + updateBackBuffer(width, height); + QtToolkit.repaintThread.queueComponent(this); + setBoundsNative(x, y, width, height); + } + + public void setCursor(Cursor cursor) + { + if (cursor != null) + setCursor(cursor.getType()); + } + + public native void setEnabled(boolean b); + + public void setFont(Font f) + { + if( f == null || f.getPeer() == null) + throw new IllegalArgumentException("Null font."); + setFontNative( (QtFontPeer)f.getPeer() ); + } + + public void setForeground(Color c) + { + if(c == null && !settingUp) + return; + setGround(c.getRed(), c.getGreen(), c.getBlue(), true); + } + + public native void setVisible(boolean b); + + public void show() + { + setVisible(true); + } + + public void handleEvent (AWTEvent e) + { + int eventID = e.getID(); + Rectangle r; + + switch (eventID) + { + case ComponentEvent.COMPONENT_SHOWN: + QtToolkit.repaintThread.queueComponent(this); + break; + case PaintEvent.PAINT: + case PaintEvent.UPDATE: + r = ((PaintEvent)e).getUpdateRect(); + QtToolkit.repaintThread.queueComponent(this, r.x, r.y, + r.width, r.height); + break; + case KeyEvent.KEY_PRESSED: + break; + case KeyEvent.KEY_RELEASED: + break; + } + } + + /** + * paint() is called back from the native side in response to a native + * repaint event. + */ + public void paint(Graphics g) + { + Rectangle r = g.getClipBounds(); + + if (backBuffer != null) + backBuffer.drawPixelsScaledFlipped ((QtGraphics) g, + 0, 0, 0, /* bg colors */ + false, false, /* no flipping */ + r.x, r.y, r.width, r.height, + r.x, r.y, r.width, r.height, + false ); /* no compositing */ + } + + public void paintBackBuffer() throws InterruptedException + { + if( backBuffer != null ) + { + backBuffer.clear(); + Graphics2D bbg = (Graphics2D)backBuffer.getGraphics(); + owner.paint(bbg); + bbg.dispose(); + } + } + + public void paintBackBuffer(int x, int y, int w, int h) + throws InterruptedException + { + if( backBuffer != null ) + { + Graphics2D bbg = (Graphics2D)backBuffer.getGraphics(); + bbg.setBackground( getNativeBackground() ); + bbg.clearRect(x, y, w, h); + bbg.setClip(x, y, w, h); + owner.paint(bbg); + bbg.dispose(); + } + } + + public boolean prepareImage(Image img, + int w, + int h, + ImageObserver o) + { + return toolkit.prepareImage(img, w, h, o); + } + + public void print(Graphics g) + { + // FIXME + } + + /** + * Schedules a timed repaint. + */ + public void repaint(long tm, + int x, + int y, + int w, + int h) + { + if( tm <= 0 ) + { + QtToolkit.repaintThread.queueComponent(this, x, y, w, h); + return; + } + Timer t = new Timer(); + t.schedule(new RepaintTimerTask(this, x, y, w, h), tm); + } + + /** + * Update the cursor (note that setCursor is usually not called) + */ + public void updateCursorImmediately() + { + if (owner.getCursor() != null) + setCursor(owner.getCursor().getType()); + } + + /** + * Timed repainter + */ + private class RepaintTimerTask extends TimerTask + { + private int x, y, w, h; + private QtComponentPeer peer; + RepaintTimerTask(QtComponentPeer peer, int x, int y, int w, int h) + { + this.x=x; + this.y=y; + this.w=w; + this.h=h; + this.peer=peer; + } + public void run() + { + QtToolkit.repaintThread.queueComponent(peer, x, y, w, h); + } + } + + public native Rectangle getBounds(); + + public void reparent(ContainerPeer parent) + { + if(!(parent instanceof QtContainerPeer)) + throw new IllegalArgumentException("Illegal peer."); + reparentNative((QtContainerPeer)parent); + } + + public void setBounds(int x, int y, int width, int height, int z) + { + // TODO Auto-generated method stub + + } + + public boolean isReparentSupported() + { + return true; + } + + // What does this do, anyway? + public void layout() + { + // TODO Auto-generated method stub + } + + public boolean requestFocus(Component lightweightChild, boolean temporary, + boolean focusedWindowChangeAllowed, + long time, sun.awt.CausedFocusEvent.Cause cause) + { + // TODO: Implement this properly and remove the other requestFocus() + // methods. + return true; + } + +} |