/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package sun.awt.motif;

import java.util.Vector;

import java.awt.*;

import java.awt.peer.*;

import java.awt.event.*;

import sun.awt.motif.MInputMethodControl;

import sun.awt.im.*;

import java.awt.image.ColorModel;

import java.awt.image.BufferedImage;

import java.awt.image.DataBuffer;

import java.awt.image.DataBufferInt;

import java.awt.image.DataBufferByte;

import java.awt.image.DataBufferUShort;

import java.awt.image.ImageObserver;

import java.awt.image.WritableRaster;

import sun.awt.image.ImageRepresentation;

import sun.awt.image.ToolkitImage;

class MFramePeer extends MWindowPeer implements FramePeer, MInputMethodControl {

    static Vector allFrames = new Vector();

    // XXX: Stub out for now.  Need to propagate to normal size hints.

    public void setMaximizedBounds(Rectangle b) {}

    public void create(MComponentPeer parent, Object arg) {

        super.create( parent );

    }

    MFramePeer(Frame target) {

        super();

        // set the window attributes for this Frame

        winAttr.nativeDecor = !target.isUndecorated();

        winAttr.initialFocus = true;

        winAttr.isResizable =  target.isResizable();

        winAttr.initialState = target.getState();

        winAttr.title = target.getTitle();

        winAttr.icon = target.getIconImage();

        if (winAttr.nativeDecor) {

            winAttr.decorations = winAttr.AWT_DECOR_ALL;

        } else {

            winAttr.decorations = winAttr.AWT_DECOR_NONE;

        }

        // for input method windows, use minimal decorations

        if (target instanceof InputMethodWindow) {

            winAttr.initialFocus = false;

            winAttr.decorations = (winAttr.AWT_DECOR_TITLE | winAttr.AWT_DECOR_BORDER);

        }

        // create and init native component

        init( target);

    if (winAttr.icon != null) {

        setIconImage(winAttr.icon);

    }

        allFrames.addElement(this);

    }

    public void setTitle(String title) {

        pSetTitle(title);

    }

    protected void disposeImpl() {

        allFrames.removeElement(this);

        super.disposeImpl();

    }

    public void setMenuBar(MenuBar mb) {

        MMenuBarPeer mbpeer = (MMenuBarPeer) MToolkit.targetToPeer(mb);

        pSetMenuBar(mbpeer);

        Rectangle r = target.bounds();

        pReshape(r.x, r.y, r.width, r.height);

        if (target.isVisible()) {

            target.validate();

        }

    }

    public void setIconImage(Image im) {

        int width;

        int height;

        GraphicsConfiguration defaultGC;

        if (im != null) {  // 4633887  Avoid Null pointer exception.

        if (im instanceof ToolkitImage) {

            ImageRepresentation ir = ((ToolkitImage)im).getImageRep();

            ir.reconstruct(ImageObserver.ALLBITS);

            width = ir.getWidth();

            height = ir.getHeight();

        }

        else {

            width = im.getWidth(null);

            height = im.getHeight(null);

        }

        if (pGetIconSize(width, height)) {

            //Icons are displayed using the default visual, so create image

            //using default GraphicsConfiguration

            defaultGC = getGraphicsConfiguration().getDevice().

                getDefaultConfiguration();

            ColorModel model = defaultGC.getColorModel();

            WritableRaster raster =

                model.createCompatibleWritableRaster(iconWidth, iconHeight);

            Image image = new BufferedImage(model, raster,

                                            model.isAlphaPremultiplied(),

                                            null);

            // ARGB BufferedImage to hunt for transparent pixels

            BufferedImage bimage =

                new BufferedImage(iconWidth, iconHeight,

                                  BufferedImage.TYPE_INT_ARGB);

            ColorModel alphaCheck = bimage.getColorModel();

            Graphics g = image.getGraphics();

            Graphics big = bimage.getGraphics();

            try {

                g.drawImage(im, 0, 0, iconWidth, iconHeight, null);

                big.drawImage(im, 0, 0, iconWidth, iconHeight, null);

            } finally {

                g.dispose();

                big.dispose();

            }

            DataBuffer db = ((BufferedImage)image).getRaster().getDataBuffer();

            DataBuffer bidb = bimage.getRaster().getDataBuffer();

            byte[] bytedata = null;

            int[] intdata = null;

            int bidbLen = bidb.getSize();

            int imgDataIdx;

            //Get native RGB value for window background color

            //Should work for byte as well as int

            int bgRGB = getNativeColor(SystemColor.window, defaultGC);

            /* My first attempt at a solution to bug 4175560 was to use

             * the iconMask and iconPixmap attributes of Windows.

             * This worked fine on CDE/dtwm, however olwm displayed only

             * single color icons (white on background).  Instead, the

             * fix gets the default background window color and replaces

             * transparent pixels in the icon image with this color.  This

             * solutions works well with dtwm as well as olwm.

             */

            for (imgDataIdx = 0; imgDataIdx < bidbLen; imgDataIdx++) {

                if (alphaCheck.getAlpha(bidb.getElem(imgDataIdx)) == 0 ) {

                    //Assuming single data bank

                    db.setElem(imgDataIdx, bgRGB);

                }

            }

            short[] ushortdata = null;

            if (db instanceof DataBufferByte) {

                // Pseudocolor data

                bytedata = ((DataBufferByte)db).getData();

            }

            else if (db instanceof DataBufferInt) {

                // Truecolor data

                intdata = ((DataBufferInt) db).getData();

            }

            else if (db instanceof DataBufferUShort) {

                // Truecolor data

                ushortdata = ((DataBufferUShort) db).getData();

            }

               pSetIconImage(bytedata, intdata, ushortdata,

                          iconWidth, iconHeight);

        }

        }

    }

    native boolean pGetIconSize(int widthHint, int heightHint);

    // [jk] added ushortData for 16-bpp displays

    native void pSetIconImage(byte[] byteData,

                              int[] intData,

                              short[] ushortData,

                              int iconWidth, int iconHeight);

    // NOTE: This method may be called by privileged threads.

    //       DO NOT INVOKE CLIENT CODE ON THIS THREAD!

    public void handleIconify() {

        postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_ICONIFIED));

    }

    // NOTE: This method may be called by privileged threads.

    //       DO NOT INVOKE CLIENT CODE ON THIS THREAD!

    public void handleDeiconify() {

        postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_DEICONIFIED));

    }

    /**

     * Called to inform the Frame that it has moved.

     */

    // NOTE: This method may be called by privileged threads.

    //       DO NOT INVOKE CLIENT CODE ON THIS THREAD!

    public void handleMoved(int x, int y) {

        postEvent(new ComponentEvent(target, ComponentEvent.COMPONENT_MOVED));

    }

    static final int CROSSHAIR_INSET = 5;

    static final int BUTTON_Y = CROSSHAIR_INSET + 1;

    static final int BUTTON_W = 17;

    static final int BUTTON_H = 17;

    static final int SYS_MENU_X = CROSSHAIR_INSET + 1;

    static final int SYS_MENU_CONTAINED_X = SYS_MENU_X + 5;

    static final int SYS_MENU_CONTAINED_Y = BUTTON_Y + 7;

    static final int SYS_MENU_CONTAINED_W = 8;

    static final int SYS_MENU_CONTAINED_H = 3;

    static final int MAXIMIZE_X_DIFF = CROSSHAIR_INSET + BUTTON_W;

    static final int MAXIMIZE_CONTAINED_X_DIFF = MAXIMIZE_X_DIFF - 5;

    static final int MAXIMIZE_CONTAINED_Y = BUTTON_Y + 5;

    static final int MAXIMIZE_CONTAINED_W = 8;

    static final int MAXIMIZE_CONTAINED_H = 8;

    static final int MINIMIZE_X_DIFF = MAXIMIZE_X_DIFF + BUTTON_W;

    static final int MINIMIZE_CONTAINED_X_DIFF = MINIMIZE_X_DIFF - 7;

    static final int MINIMIZE_CONTAINED_Y = BUTTON_Y + 7;

    static final int MINIMIZE_CONTAINED_W = 3;

    static final int MINIMIZE_CONTAINED_H = 3;

    static final int TITLE_X = SYS_MENU_X + BUTTON_W;

    static final int TITLE_W_DIFF = BUTTON_W * 3 + CROSSHAIR_INSET * 2 - 1;

    static final int TITLE_MID_Y = BUTTON_Y + (BUTTON_H / 2);

    static final int MENUBAR_X = CROSSHAIR_INSET + 1;

    static final int MENUBAR_Y = BUTTON_Y + BUTTON_H;

    static final int HORIZ_RESIZE_INSET = CROSSHAIR_INSET + BUTTON_H;

    static final int VERT_RESIZE_INSET = CROSSHAIR_INSET + BUTTON_W;

    /*

     * Print the native component by rendering the Motif look ourselves.

     * We also explicitly print the MenuBar since a MenuBar isn't a subclass

     * of Component (and thus it has no "print" method which gets called by

     * default).

     */

    public void print(Graphics g) {

        super.print(g);

        Frame f = (Frame)target;

        Insets finsets = f.getInsets();

        Dimension fsize = f.getSize();

        Color bg = f.getBackground();

        Color fg = f.getForeground();

        Color highlight = bg.brighter();

        Color shadow = bg.darker();

        // Well, we could query for the currently running window manager

        // and base the look on that, or we could just always do dtwm.

        // aim, tball, and levenson all agree we'll just do dtwm.

        if (hasDecorations(MWindowAttributes.AWT_DECOR_BORDER)) {

            // top outer -- because we'll most likely be drawing on white paper,

            // for aesthetic reasons, don't make any part of the outer border

            // pure white

            if (highlight.equals(Color.white)) {

                g.setColor(new Color(230, 230, 230));

            }

            else {

                g.setColor(highlight);

            }

            g.drawLine(0, 0, fsize.width, 0);

            g.drawLine(0, 1, fsize.width - 1, 1);

            // left outer

            // if (highlight.equals(Color.white)) {

            //     g.setColor(new Color(230, 230, 230));

            // }

            // else {

            //     g.setColor(highlight);

            // }

            g.drawLine(0, 0, 0, fsize.height);

            g.drawLine(1, 0, 1, fsize.height - 1);

            // bottom cross-hair

            g.setColor(highlight);

            g.drawLine(CROSSHAIR_INSET + 1, fsize.height - CROSSHAIR_INSET,

                       fsize.width - CROSSHAIR_INSET,

                       fsize.height - CROSSHAIR_INSET);

            // right cross-hair

            // g.setColor(highlight);

            g.drawLine(fsize.width - CROSSHAIR_INSET, CROSSHAIR_INSET + 1,

                       fsize.width - CROSSHAIR_INSET,

                       fsize.height - CROSSHAIR_INSET);

            // bottom outer

            g.setColor(shadow);

            g.drawLine(1, fsize.height, fsize.width, fsize.height);

            g.drawLine(2, fsize.height - 1, fsize.width, fsize.height - 1);

            // right outer

            // g.setColor(shadow);

            g.drawLine(fsize.width, 1, fsize.width, fsize.height);

            g.drawLine(fsize.width - 1, 2, fsize.width - 1, fsize.height);

            // top cross-hair

            // g.setColor(shadow);

            g.drawLine(CROSSHAIR_INSET, CROSSHAIR_INSET,

                       fsize.width - CROSSHAIR_INSET, CROSSHAIR_INSET);

            // left cross-hair

            // g.setColor(shadow);

            g.drawLine(CROSSHAIR_INSET, CROSSHAIR_INSET, CROSSHAIR_INSET,

                   fsize.height - CROSSHAIR_INSET);

        }

        if (hasDecorations(MWindowAttributes.AWT_DECOR_TITLE)) {

            if (hasDecorations(MWindowAttributes.AWT_DECOR_MENU)) {

                // system menu

                g.setColor(bg);

                g.fill3DRect(SYS_MENU_X, BUTTON_Y, BUTTON_W, BUTTON_H, true);

                g.fill3DRect(SYS_MENU_CONTAINED_X, SYS_MENU_CONTAINED_Y,

                             SYS_MENU_CONTAINED_W, SYS_MENU_CONTAINED_H, true);

            }

            // title bar

            // g.setColor(bg);

            g.fill3DRect(TITLE_X, BUTTON_Y, fsize.width - TITLE_W_DIFF, BUTTON_H,

                         true);

            if (hasDecorations(MWindowAttributes.AWT_DECOR_MINIMIZE)) {

                // minimize button

                // g.setColor(bg);

                g.fill3DRect(fsize.width - MINIMIZE_X_DIFF, BUTTON_Y, BUTTON_W,

                             BUTTON_H, true);

                g.fill3DRect(fsize.width - MINIMIZE_CONTAINED_X_DIFF,

                             MINIMIZE_CONTAINED_Y, MINIMIZE_CONTAINED_W,

                             MINIMIZE_CONTAINED_H, true);

            }

            if (hasDecorations(MWindowAttributes.AWT_DECOR_MAXIMIZE)) {

                // maximize button

                // g.setColor(bg);

                g.fill3DRect(fsize.width - MAXIMIZE_X_DIFF, BUTTON_Y, BUTTON_W,

                             BUTTON_H, true);

                g.fill3DRect(fsize.width - MAXIMIZE_CONTAINED_X_DIFF,

                             MAXIMIZE_CONTAINED_Y, MAXIMIZE_CONTAINED_W,

                             MAXIMIZE_CONTAINED_H, true);

            }

            // title bar text

            g.setColor(fg);

            Font sysfont = new Font(Font.SANS_SERIF, Font.PLAIN, 10);

            g.setFont(sysfont);

            FontMetrics sysfm = g.getFontMetrics();

            String ftitle = f.getTitle();

            g.drawString(ftitle,

                         ((TITLE_X + TITLE_X + fsize.width - TITLE_W_DIFF) / 2) -

                         (sysfm.stringWidth(ftitle) / 2),

                         TITLE_MID_Y + sysfm.getMaxDescent());

        }

        if (f.isResizable() &&

            hasDecorations(MWindowAttributes.AWT_DECOR_RESIZEH)) {

            // add resize cross hairs

            // upper-left horiz (shadow)

            g.setColor(shadow);

            g.drawLine(1, HORIZ_RESIZE_INSET, CROSSHAIR_INSET,

                       HORIZ_RESIZE_INSET);

            // upper-left vert (shadow)

            // g.setColor(shadow);

            g.drawLine(VERT_RESIZE_INSET, 1, VERT_RESIZE_INSET, CROSSHAIR_INSET);

            // upper-right horiz (shadow)

            // g.setColor(shadow);

            g.drawLine(fsize.width - CROSSHAIR_INSET + 1, HORIZ_RESIZE_INSET,

                       fsize.width, HORIZ_RESIZE_INSET);

            // upper-right vert (shadow)

            // g.setColor(shadow);

            g.drawLine(fsize.width - VERT_RESIZE_INSET - 1, 2,

                       fsize.width - VERT_RESIZE_INSET - 1, CROSSHAIR_INSET + 1);

            // lower-left horiz (shadow)

            // g.setColor(shadow);

            g.drawLine(1, fsize.height - HORIZ_RESIZE_INSET - 1,

                       CROSSHAIR_INSET, fsize.height - HORIZ_RESIZE_INSET - 1);

            // lower-left vert (shadow)

            // g.setColor(shadow);

            g.drawLine(VERT_RESIZE_INSET, fsize.height - CROSSHAIR_INSET + 1,

                       VERT_RESIZE_INSET, fsize.height);

            // lower-right horiz (shadow)

            // g.setColor(shadow);

            g.drawLine(fsize.width - CROSSHAIR_INSET + 1,

                       fsize.height - HORIZ_RESIZE_INSET - 1, fsize.width,

                       fsize.height - HORIZ_RESIZE_INSET - 1);

            // lower-right vert (shadow)

            // g.setColor(shadow);

            g.drawLine(fsize.width - VERT_RESIZE_INSET - 1,

                       fsize.height - CROSSHAIR_INSET + 1,

                       fsize.width - VERT_RESIZE_INSET - 1, fsize.height);

            // upper-left horiz (highlight)

            g.setColor(highlight);

            g.drawLine(2, HORIZ_RESIZE_INSET + 1, CROSSHAIR_INSET,

                       HORIZ_RESIZE_INSET + 1);

            // upper-left vert (highlight)

            // g.setColor(highlight);

            g.drawLine(VERT_RESIZE_INSET + 1, 2, VERT_RESIZE_INSET + 1,

                       CROSSHAIR_INSET);

            // upper-right horiz (highlight)

            // g.setColor(highlight);

            g.drawLine(fsize.width - CROSSHAIR_INSET + 1,

                       HORIZ_RESIZE_INSET + 1, fsize.width - 1,

                       HORIZ_RESIZE_INSET + 1);

            // upper-right vert (highlight)

            // g.setColor(highlight);

            g.drawLine(fsize.width - VERT_RESIZE_INSET, 2,

                       fsize.width - VERT_RESIZE_INSET, CROSSHAIR_INSET);

            // lower-left horiz (highlight)

            // g.setColor(highlight);

            g.drawLine(2, fsize.height - HORIZ_RESIZE_INSET, CROSSHAIR_INSET,

                       fsize.height - HORIZ_RESIZE_INSET);

            // lower-left vert (highlight)

            // g.setColor(highlight);

            g.drawLine(VERT_RESIZE_INSET + 1,

                       fsize.height - CROSSHAIR_INSET + 1,

                       VERT_RESIZE_INSET + 1, fsize.height - 1);

            // lower-right horiz (highlight)

            // g.setColor(highlight);

            g.drawLine(fsize.width - CROSSHAIR_INSET + 1,

                       fsize.height - HORIZ_RESIZE_INSET, fsize.width - 1,

                       fsize.height - HORIZ_RESIZE_INSET);

            // lower-right vert (highlight)

            // g.setColor(highlight);

            g.drawLine(fsize.width - VERT_RESIZE_INSET,

                       fsize.height - CROSSHAIR_INSET + 1,

                       fsize.width - VERT_RESIZE_INSET, fsize.height - 1);

        }

        MenuBar mb = f.getMenuBar();

        if (mb != null) {

            MMenuBarPeer peer = (MMenuBarPeer) MToolkit.targetToPeer(mb);

            if (peer != null) {

                Insets insets = getInsets();

                Graphics ng = g.create();

                int menubarX = 0;

                int menubarY = 0;

                if (hasDecorations(MWindowAttributes.AWT_DECOR_BORDER)) {

                    menubarX += CROSSHAIR_INSET + 1;

                    menubarY += CROSSHAIR_INSET + 1;

                }

                if (hasDecorations(MWindowAttributes.AWT_DECOR_TITLE)) {

                    menubarY += BUTTON_H;

                }

                try {

                    ng.translate(menubarX, menubarY);

                    peer.print(ng);

                } finally {

                    ng.dispose();

                }

            }

        }

    }

    // Saveunders are not done by Frame.

    void setSaveUnder(boolean state) {}

    /* Returns the native paint should be posted after setting new size

     */

    public boolean checkNativePaintOnSetBounds(int width, int height) {

        // Fix for 4418155. Undecorated Frame does not repaint

        // automticaly if shrinking. Should not wait for Expose

        return ((Frame)target).isUndecorated() ?

            ((width > oldWidth) || (height > oldHeight)):

            ((width != oldWidth) || (height != oldHeight));

    }

    public void setBoundsPrivate(int x, int y, int width, int height) {

        setBounds(x, y, width, height);

    }

    public Rectangle getBoundsPrivate() {

        return getBounds();

    }

    @Override

    final boolean isTargetUndecorated() {

        return ((Frame)target).isUndecorated();

    }

}