[kaffe] CVS kaffe (dalibor): Switched java.awt.GridBadLayout over to GNU Classpath
Kaffe CVS
cvs-commits at kaffe.org
Sun Jan 11 18:15:03 PST 2004
PatchSet 4325
Date: 2004/01/12 02:11:39
Author: dalibor
Branch: HEAD
Tag: (none)
Log:
Switched java.awt.GridBadLayout over to GNU Classpath
2004-01-12 Dalibor Topic <robilad at kaffe.org>
* libraries/javalib/java/awt/GridBagLayout.java:
Replaced by implementation from GNU Classpath.
This fixes a bug with the Babylon Chat Server client.
Members:
ChangeLog:1.1912->1.1913
libraries/javalib/java/awt/GridBagLayout.java:1.13->1.14
Index: kaffe/ChangeLog
diff -u kaffe/ChangeLog:1.1912 kaffe/ChangeLog:1.1913
--- kaffe/ChangeLog:1.1912 Sun Jan 11 22:06:46 2004
+++ kaffe/ChangeLog Mon Jan 12 02:11:39 2004
@@ -1,3 +1,10 @@
+2004-01-12 Dalibor Topic <robilad at kaffe.org>
+
+ * libraries/javalib/java/awt/GridBagLayout.java:
+ Replaced by implementation from GNU Classpath.
+
+ This fixes a bug with the Babylon Chat Server client.
+
2004-01-11 Jim Pick <jim at kaffe.org>
* m4/alsa.m4:
Index: kaffe/libraries/javalib/java/awt/GridBagLayout.java
diff -u kaffe/libraries/javalib/java/awt/GridBagLayout.java:1.13 kaffe/libraries/javalib/java/awt/GridBagLayout.java:1.14
--- kaffe/libraries/javalib/java/awt/GridBagLayout.java:1.13 Wed Jun 20 22:49:43 2001
+++ kaffe/libraries/javalib/java/awt/GridBagLayout.java Mon Jan 12 02:11:41 2004
@@ -1,687 +1,688 @@
+/* GridBagLayout - Layout manager for components according to GridBagConstraints
+ Copyright (C) 2002, 2003 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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 java.awt;
+import java.io.Serializable;
import java.util.Hashtable;
/**
- * class GridBagLayout -
- *
- * Copyright (c) 1998
- * Transvirtual Technologies, Inc. All rights reserved.
- *
- * See the file "license.terms" for information on usage and redistribution
- * of this file.
- *
- * @author J.Mehlitz
+ * @author Michael Koch <konqueror at gmx.de>
+ * @author Jeroen Frijters <jeroen at frijters.net>
*/
public class GridBagLayout
- implements LayoutManager2, java.io.Serializable
+ implements Serializable, LayoutManager2
{
- final protected static int MINSIZE = 1;
- final protected static int PREFERREDSIZE = 2;
- final protected static int ACTUALSIZE = 3;
- final protected static int MAXGRIDSIZE = 100;
-/* NB: Sun doesn't hardcode */
- final private static long serialVersionUID = 8838754796412211005L;
-/** @serial */
- protected Hashtable comptable = new Hashtable();
-/** @serial */
- protected GridBagConstraints defaultConstraints = new GridBagConstraints();
-// XXX fix serial form! /** @serial */
-//protected GridBagLayoutInfo layoutInfo;
- /** @serial */
- public int[] columnWidths;
-/** @serial */
- public int[] rowHeights;
-/** @serial */
- public double[] columnWeights;
-/** @serial */
- public double[] rowWeights;
- transient Point offset = new Point();
- private static Component[][] defGrid = new Component[MAXGRIDSIZE][MAXGRIDSIZE];
-
-protected void AdjustForGravity(GridBagConstraints cons, Rectangle display) {
- throw new kaffe.util.NotImplemented(GridBagLayout.class.getName() + ".AdjustForGravity()");
-}
-
-protected void ArrangeGrid(Container container) {
- layoutContainer(container);
-}
-
-public GridBagLayout() {
-}
-
-public void addLayoutComponent( Component c, Object constraints) {
- try {
- if (constraints != null) {
- setConstraints(c, (GridBagConstraints)constraints);
- }
- }
- catch (ClassCastException _) {
- throw new IllegalArgumentException("not GridBagConstraints");
- }
-}
-
-public void addLayoutComponent( String name, Component c) {
-}
-
-void adjustWeightsRelative( Container parent) {
- Insets pin = parent.getInsets();
- int i;
- int nxw = 0;
- int nyw = 0;
- int sw = sumWidths();
- int sh = sumHeights();
- double dd;
- double twx = 0;
- double twy = 0;
-
- for ( i=0; i<columnWeights.length; i++) {
- dd = columnWeights[i];
- if ( dd > 0.0 ) {
- twx += dd;
- nxw++;
- }
- }
- for ( i=0; i<rowWeights.length; i++) {
- dd = rowWeights[i];
- if ( dd > 0.0 ) {
- twy += dd;
- nyw++;
- }
- }
-
- int piw = pin.left + pin.right;
- int pih = pin.top + pin.bottom;
-
- if ( nxw > 0 ) {
- int dx = parent.width - sw - piw;
- for ( i=0; i<columnWeights.length-1; i++){
- double cw = columnWeights[i];
- if ( cw > 0.0 ) {
- int dcx = (int)(cw/twx*dx);
- columnWidths[i] += dcx;
- twx -= cw;
- dx -= dcx;
- }
- if ( twx == 0)
- break;
- }
-
- if ( dx > 0)
- columnWidths[i] += dx;
- offset.x = 0;
- }
- else {
- offset.x = (parent.width - sw - piw) / 2;
- }
-
- if ( nyw > 0) {
- int dy = parent.height - sh - pih;
- for ( i=0; i<rowWeights.length-1; i++){
- double rw = rowWeights[i];
- if ( rw > 0.0 ) {
- int dcy = (int)(rw/twy*dy);
- rowHeights[i] += dcy;
- twy -= rw;
- dy -= dcy;
- }
- if ( twy == 0)
- break;
- }
- if ( dy > 0)
- rowHeights[i] += dy;
- offset.y = 0;
- }
- else {
- offset.y = (parent.height - sh - pih) / 2;
- }
-}
-
-void clearDefGrid() {
- for ( int y=0; y<MAXGRIDSIZE; y++) {
- for ( int x=0; x<MAXGRIDSIZE; x++) {
- defGrid[x][y] = null;
- }
- }
-}
-
-Component componentAt( Container parent, int x, int y) {
- int nc = parent.getComponentCount();
- for ( int i=0; i<nc; i++ ) {
- Component c = parent.getComponent( i);
- GridBagConstraints gbc = lookupConstraints( c);
- if ( gbc.gridx <= x && gbc.gridy <= y &&
- gbc.gridx + gbc.gridwidth > x &&
- gbc.gridy + gbc.gridheight > y ) {
- return c;
- }
- }
-
- return null;
-}
-
-void dump() {
- if ( (columnWidths == null) || (rowHeights == null ) ){
- return;
- }
-
- int i;
- System.out.print( "\t\t");
- for ( i=0; i<columnWidths.length; i++) {
- System.out.print( columnWidths[i] + "[" + columnWeights[i] + "]" );
- System.out.print( '\t');
- }
- System.out.println();
- for ( i=0; i<rowHeights.length; i++) {
- System.out.print( rowHeights[i] + "[" + rowWeights[i] + "]" );
- for ( int i2=0; i2<columnWidths.length; i2++ ) {
- Component c = defGrid[i2][i];
- System.out.print( '\t');
- System.out.print( (c != null) ? Integer.toHexString( c.hashCode() ) : "-------" );
- System.out.print( '\t');
- }
- System.out.println();
- }
-
- System.out.println();
-}
-
-void fillGrid( Container parent, int mxr, int myr, int mode ) {
- int maxX = 0;
- int maxY = 0;
- int x, y, di;
- GridBagConstraints cc;
- Dimension cd = new Dimension();
-
- // get max cell extends
- for ( y=MAXGRIDSIZE-1; y>-1; y--) {
- if ( defGrid[MAXGRIDSIZE-1][y] != null ) {
- maxX = Math.max( maxX, mxr);
- }
- else {
- for ( x=MAXGRIDSIZE-1; x>-1; x--) {
- if ( defGrid[x][y] != null ) {
- maxX = Math.max( maxX, x+1);
- break;
- }
- }
- }
- }
- for ( x=MAXGRIDSIZE-1; x>-1; x--) {
- if ( defGrid[x][MAXGRIDSIZE-1] != null ) {
- maxY = Math.max( maxY, myr);
- }
- else {
- for ( y=MAXGRIDSIZE-1; y>-1; y--) {
- if ( defGrid[x][y] != null ) {
- maxY = Math.max( maxY, y+1);
- break;
- }
- }
- }
- }
-
- boolean allocNew = (columnWidths == null) || (rowHeights == null) ||
- (columnWidths.length != maxX) || (rowHeights.length != maxY);
-
- if ( allocNew ) {
- columnWidths = new int[maxX];
- columnWeights = new double[maxX];
- rowHeights = new int[maxY];
- rowWeights = new double[maxY];
- }
- else {
- for ( x=0; x<maxX; x++ ) {
- columnWidths[x] = 0;
- columnWeights[x] = 0.0;
- }
- for ( y=0; y<maxY; y++ ) {
- rowHeights[y] = 0;
- rowWeights[y] = 0.0;
- }
- }
+ private static final long serialVersionUID = 8838754796412211005L;
- // convert relatives and remainders to real values
- updateConstraints( parent);
+ protected static final int MINSIZE = 1;
+ protected static final int PREFERREDSIZE = 2;
+ protected static final int MAXGRIDSIZE = 512;
+
+ protected Hashtable comptable;
+ protected GridBagLayoutInfo layoutInfo;
+ protected GridBagConstraints defaultConstraints;
+
+ public double[] columnWeights;
+ public int[] columnWidths;
+ public double[] rowWeights;
+ public int[] rowHeights;
+
+ public GridBagLayout ()
+ {
+ this.comptable = new Hashtable();
+ this.defaultConstraints= new GridBagConstraints();
+ }
+
+ /**
+ * Helper method to calc the sum of a range of elements in an int array.
+ */
+ private int sumIntArray (int[] array, int upto)
+ {
+ int result = 0;
+
+ for (int i = 0; i < upto; i++)
+ result += array [i];
+
+ return result;
+ }
+
+ /**
+ * Helper method to calc the sum of all elements in an int array.
+ */
+ private int sumIntArray (int[] array)
+ {
+ return sumIntArray(array, array.length);
+ }
+
+ /**
+ * Helper method to calc the sum of all elements in an double array.
+ */
+ private double sumDoubleArray (double[] array)
+ {
+ double result = 0;
+
+ for (int i = 0; i < array.length; i++)
+ result += array [i];
+
+ return result;
+ }
+
+ public void addLayoutComponent (String name, Component component)
+ {
+ // do nothing here.
+ }
+
+ public void removeLayoutComponent (Component component)
+ {
+ // do nothing here
+ }
+
+ public void addLayoutComponent (Component component, Object constraints)
+ {
+ if (constraints == null)
+ return;
+
+ if (!(constraints instanceof GridBagConstraints))
+ throw new IllegalArgumentException();
+
+ setConstraints (component, (GridBagConstraints) constraints);
+ }
+
+ public Dimension preferredLayoutSize (Container parent)
+ {
+ if (parent == null)
+ return new Dimension (0, 0);
+
+ GridBagLayoutInfo li = getLayoutInfo (parent, PREFERREDSIZE);
+ return getMinSize (parent, li);
+ }
+
+ public Dimension minimumLayoutSize (Container parent)
+ {
+ if (parent == null)
+ return new Dimension (0, 0);
+
+ GridBagLayoutInfo li = getLayoutInfo (parent, MINSIZE);
+ return getMinSize (parent, li);
+ }
+
+ public Dimension maximumLayoutSize (Container target)
+ {
+ return new Dimension (Integer.MAX_VALUE, Integer.MAX_VALUE);
+ }
+
+ public void layoutContainer (Container parent)
+ {
+ arrangeGrid (parent);
+ }
- //fill widths and heights
- Rectangle cRect = new Rectangle();
- int nc = parent.getComponentCount();
-
- for ( int idx=0; idx<nc; idx++) {
- Component c = parent.getComponent( idx);
- cc = lookupConstraints( c);
- cRect.setBounds( cc.gridx, cc.gridy, cc.gridwidth, cc.gridheight);
-
- if ( (cRect.width == 1) || (cRect.height == 1) ) {
- getComponentExt( c, cc, mode, cd);
-
- if ( cRect.width == 1) {
- columnWidths[cRect.x] = Math.max( columnWidths[cRect.x], cd.width );
- }
- if ( cRect.height == 1) {
- rowHeights[cRect.y] = Math.max( rowHeights[cRect.y], cd.height);
- }
- }
-
- di = cRect.x + cRect.width - 1;
- columnWeights[di] = Math.max( columnWeights[di] ,cc.weightx);
- di = cRect.y + cRect.height - 1;
- rowWeights[di] = Math.max( rowWeights[di] ,cc.weighty);
- }
-
- /* first call of getComponentExt() / getPreferredSize() could
- * scramble the defGrid array ( cascaded GridBagLayouts ).
- * Use the (updated) Constraints!!!
- */
- for ( x=0; x<maxX; x++) {
- if ( columnWidths[x] == 0 ) {
- for ( y=0; y<maxY; y++ ) {
- Component c = componentAt( parent, x, y);
-// Component c = defGrid[x][y];
- if ( c != null ) {
- cc = lookupConstraints( c);
- getComponentExt( c, cc, mode, cd);
- cRect.setBounds( cc.gridx, cc.gridy, cc.gridwidth, cc.gridheight);
- columnWidths[x] = Math.max( columnWidths[x], cd.width / cRect.width );
- }
- }
- }
- }
-
- for ( y=0; y<maxY; y++) {
- if ( rowHeights[y] == 0 ) {
- for ( x=0; x<maxX; x++ ) {
- Component c = componentAt(parent, x, y);
-// Component c = defGrid[x][y];
- if ( c != null ) {
- cc = lookupConstraints( c);
- getComponentExt( c, cc, mode, cd);
- cRect.setBounds( cc.gridx, cc.gridy, cc.gridwidth, cc.gridheight);
- rowHeights[y] = Math.max( rowHeights[y], cd.height / cRect.height );
- }
- }
- }
- }
-
- if ( mode == ACTUALSIZE) {
- adjustWeightsRelative( parent);
- }
-}
-
-Dimension getComponentExt( Component c, GridBagConstraints cc, int mode, Dimension dim) {
- dim.setSize( (mode == MINSIZE) ? c.getMinimumSize() : c.getPreferredSize());
- dim.width += cc.insets.left + cc.insets.right + 2 * cc.ipadx;
- dim.height += cc.insets.top + cc.insets.bottom + 2 * cc.ipady;
- return dim;
-}
-
-public GridBagConstraints getConstraints( Component c) {
- return ((GridBagConstraints)lookupConstraints(c).clone());
-}
-
-void getGrid( Container parent, int mode ) {
- int x1 = 0;
- int y1 = 0;
- int cx, cy;
- int mxr = -1;
- int myr = -1;
- GridBagConstraints lcc = null;
- int nc = parent.getComponentCount();
-
- synchronized( defGrid) {
- clearDefGrid();
-
- for ( int i=0; i<nc; i++){
- Component c = parent.getComponent(i);
- GridBagConstraints cc = lookupConstraints( c);
-
- if ( cc.gridx == cc.RELATIVE) {
- if ( lcc == null )
- x1 = 0;
- else if ( lcc.gridwidth > 0 )
- x1 += lcc.gridwidth;
- else
- x1 = -1;
- }
- else {
- x1 = cc.gridx;
- }
-
- if ( cc.gridy == cc.RELATIVE) {
- if ( lcc == null )
- y1 = 0;
- else if ( lcc.gridheight == cc.REMAINDER )
- y1 = -1;
- else if ( lcc.gridwidth == cc.REMAINDER )
- y1 += Math.max( lcc.gridheight, 1);
- else
- y1 = -1;
- }
- else {
- y1 = cc.gridy;
- }
-
- if ( x1 == -1 ) {
- for ( x1=0; defGrid[x1][y1] != null; x1++);
- }
- if ( y1 == -1 ) {
- for ( y1=0; defGrid[x1][y1] != null; y1++);
- }
-
-
- cx = cc.gridwidth;
- cy = cc.gridheight;
-
- if ( cx == cc.REMAINDER ){
- mxr = Math.max( mxr, x1);
- cx = MAXGRIDSIZE - x1;
- }
- else if ( cx == cc.RELATIVE ) {
- cx = 1;
- }
- if ( cy == cc.REMAINDER ) {
- myr = Math.max( myr, y1);
- cy = MAXGRIDSIZE - y1;
- }
- else if ( cy == cc.RELATIVE) {
- cy = 1;
- }
-
- for( cy--; cy > -1; cy--) {
- for ( int icx=cx-1; icx > -1; icx--) {
- defGrid[x1+icx][y1+cy] = c;
- }
- }
-
- lcc = cc;
- }
-
- fillGrid( parent, mxr+1, myr+1, mode);
- }
-}
-
-public float getLayoutAlignmentX( Container parent) {
+ public float getLayoutAlignmentX (Container target)
+ {
return Component.CENTER_ALIGNMENT;
-}
+ }
-public float getLayoutAlignmentY( Container parent) {
+ public float getLayoutAlignmentY (Container target)
+ {
return Component.CENTER_ALIGNMENT;
-}
-
-public int[][] getLayoutDimensions() {
- return (new int[][]{columnWidths, rowHeights});
-}
-
-public Point getLayoutOrigin() {
- return offset;
-}
-
-public double[][] getLayoutWeights() {
- return (new double[][]{columnWeights, rowWeights});
-}
+ }
-Rectangle gridToPels( Rectangle r ) {
- int x, y, xp, yp, wp, hp;
-
- for ( xp=0, x=0; x<r.x; x++) {
- xp += columnWidths[x];
- }
- for ( wp=0; x<r.x+r.width; x++) {
- wp += columnWidths[x];
- }
- for ( yp=0, y=0; y<r.y; y++) {
- yp += rowHeights[y];
+ public void invalidateLayout (Container target)
+ {
+ this.layoutInfo = null;
+ }
+
+ public void setConstraints (Component component,
+ GridBagConstraints constraints)
+ {
+ GridBagConstraints clone = (GridBagConstraints) constraints.clone();
+
+ if (clone.gridx < 0)
+ clone.gridx = GridBagConstraints.RELATIVE;
+
+ if (clone.gridy < 0)
+ clone.gridy = GridBagConstraints.RELATIVE;
+
+ if (clone.gridwidth == 0)
+ clone.gridwidth = GridBagConstraints.REMAINDER;
+ else if (clone.gridwidth < 0
+ && clone.gridwidth != GridBagConstraints.REMAINDER
+ && clone.gridwidth != GridBagConstraints.RELATIVE)
+ clone.gridwidth = 1;
+
+ if (clone.gridheight == 0)
+ clone.gridheight = GridBagConstraints.REMAINDER;
+ else if (clone.gridheight < 0
+ && clone.gridheight != GridBagConstraints.REMAINDER
+ && clone.gridheight != GridBagConstraints.RELATIVE)
+ clone.gridheight = 1;
+
+ comptable.put (component, clone);
+ }
+
+ public GridBagConstraints getConstraints (Component component)
+ {
+ return (GridBagConstraints) (lookupConstraints (component).clone());
+ }
+
+ protected GridBagConstraints lookupConstraints (Component component)
+ {
+ GridBagConstraints result = (GridBagConstraints) comptable.get (component);
+
+ if (result == null)
+ {
+ setConstraints (component, defaultConstraints);
+ result = (GridBagConstraints) comptable.get (component);
+ }
+
+ return result;
+ }
+
+ /**
+ * @since 1.1
+ */
+ public Point getLayoutOrigin ()
+ {
+ if (layoutInfo == null)
+ return new Point (0, 0);
+
+ return new Point (layoutInfo.pos_x, layoutInfo.pos_y);
+ }
+
+ /**
+ * @since 1.1
+ */
+ public int[][] getLayoutDimensions ()
+ {
+ int[][] result = new int [2][];
+ if (layoutInfo == null)
+ {
+ result[0] = new int[0];
+ result[1] = new int[0];
+
+ return result;
+ }
+
+ result [0] = new int [layoutInfo.cols];
+ System.arraycopy (layoutInfo.colWidths, 0, result [0], 0, layoutInfo.cols);
+ result [1] = new int [layoutInfo.rows];
+ System.arraycopy (layoutInfo.rowHeights, 0, result [1], 0, layoutInfo.rows);
+ return result;
+ }
+
+ public double[][] getLayoutWeights ()
+ {
+ double[][] result = new double [2][];
+ if (layoutInfo == null)
+ {
+ result[0] = new double[0];
+ result[1] = new double[0];
+
+ return result;
+ }
+
+ result [0] = new double [layoutInfo.cols];
+ System.arraycopy (layoutInfo.colWeights, 0, result [0], 0, layoutInfo.cols);
+ result [1] = new double [layoutInfo.rows];
+ System.arraycopy (layoutInfo.rowWeights, 0, result [1], 0, layoutInfo.rows);
+ return result;
+ }
+
+ /**
+ * @since 1.1
+ */
+ public Point location (int x, int y)
+ {
+ if (layoutInfo == null)
+ return new Point (0, 0);
+
+ int col;
+ int row;
+ int pixel_x = layoutInfo.pos_x;
+ int pixel_y = layoutInfo.pos_y;
+
+ for (col = 0; col < layoutInfo.cols; col++)
+ {
+ int w = layoutInfo.colWidths [col];
+ if (x < pixel_x + w)
+ break;
+
+ pixel_x += w;
+ }
+
+ for (row = 0; row < layoutInfo.rows; row++)
+ {
+ int h = layoutInfo.rowHeights [row];
+ if (y < pixel_y + h)
+ break;
+
+ pixel_y += h;
+ }
+
+ return new Point (col, row);
+ }
+
+ /**
+ * Obsolete.
+ */
+ protected void AdjustForGravity (GridBagConstraints gbc, Rectangle rect)
+ {
+ adjustForGravity (gbc, rect);
+ }
+
+ /**
+ * Obsolete.
+ */
+ protected void ArrangeGrid (Container parent)
+ {
+ arrangeGrid (parent);
+ }
+
+ /**
+ * Obsolete.
+ */
+ protected GridBagLayoutInfo GetLayoutInfo (Container parent, int sizeflag)
+ {
+ return getLayoutInfo (parent, sizeflag);
+ }
+
+ /**
+ * Obsolete.
+ */
+ protected Dimension GetMinSize (Container parent, GridBagLayoutInfo info)
+ {
+ return getMinSize (parent, info);
+ }
+
+ /**
+ * @since 1.4
+ */
+ protected Dimension getMinSize (Container parent, GridBagLayoutInfo info)
+ {
+ if (parent == null || info == null)
+ return new Dimension (0, 0);
+
+ Insets insets = parent.getInsets();
+ int width = sumIntArray (info.colWidths) + insets.left + insets.right;
+ int height = sumIntArray (info.rowHeights) + insets.top + insets.bottom;
+ return new Dimension (width, height);
+ }
+
+ private void calcCellSizes (int[] sizes, double[] weights, int range)
+ {
+ int diff = range - sumIntArray (sizes);
+
+ if (diff == 0)
+ return;
+
+ double weight = sumDoubleArray (weights);
+
+ for (int i = 0; i < sizes.length; i++)
+ {
+ sizes [i] += (int) (((double) diff) * weights [i] / weight );
+
+ if (sizes [i] < 0)
+ sizes [i] = 0;
+ }
+ }
+
+ private void dumpLayoutInfo (GridBagLayoutInfo info)
+ {
+ System.out.println ("GridBagLayoutInfo:");
+ System.out.println ("cols: " + info.cols + ", rows: " + info.rows);
+ System.out.print ("colWidths: ");
+ dumpArray(info.colWidths);
+ System.out.print ("rowHeights: ");
+ dumpArray(info.rowHeights);
+ System.out.print ("colWeights: ");
+ dumpArray(info.colWeights);
+ System.out.print ("rowWeights: ");
+ dumpArray(info.rowWeights);
+ }
+
+ private void dumpArray(int[] array)
+ {
+ String sep = "";
+ for(int i = 0; i < array.length; i++)
+ {
+ System.out.print(sep);
+ System.out.print(array[i]);
+ sep = ", ";
}
- for ( hp=0; y<r.y+r.height; y++) {
- hp += rowHeights[y];
- }
-
- r.setBounds( xp, yp, wp, hp);
- return r;
-}
-
-public void invalidateLayout( Container parent) {
-}
-
-public void layoutContainer( Container parent) {
- Insets pin = parent.getInsets();
- Rectangle cRect = new Rectangle();
- int nc = parent.getComponentCount();
-
- getGrid( parent, ACTUALSIZE);
-
- for ( int idx=0; idx<nc; idx++) {
- Component c = parent.getComponent( idx);
- GridBagConstraints cc = lookupConstraints( c);
- Insets in = cc.insets;
-
- cRect.setBounds( cc.gridx, cc.gridy, cc.gridwidth, cc.gridheight);
- gridToPels( cRect);
-
- Dimension cd = c.getPreferredSize();
- int cx = cRect.x + pin.left + offset.x;
- int cy = cRect.y + pin.top + offset.y;
- int cw = Math.min( cd.width, cRect.width);
- int ch = Math.min( cd.height, cRect.height);
+ System.out.println();
+ }
- switch ( cc.fill ) {
- case GridBagConstraints.BOTH:
- cx += in.left + cc.ipadx;
- cy += in.top + cc.ipady;
- cw = cRect.width - (in.left + in.right + 2 * cc.ipadx);
- ch = cRect.height - (in.top + in.bottom + 2 * cc.ipady);
- break;
+ private void dumpArray(double[] array)
+ {
+ String sep = "";
+ for(int i = 0; i < array.length; i++)
+ {
+ System.out.print(sep);
+ System.out.print(array[i]);
+ sep = ", ";
+ }
+ System.out.println();
+ }
+
+ /**
+ * @since 1.4
+ */
+ protected void arrangeGrid (Container parent)
+ {
+ Component[] components = parent.getComponents();
+
+ if (components.length == 0)
+ return;
+
+ GridBagLayoutInfo info = getLayoutInfo (parent, PREFERREDSIZE);
+ if (info.cols == 0 && info.rows == 0)
+ return;
+ layoutInfo = info;
+
+ // DEBUG
+ //dumpLayoutInfo (layoutInfo);
+
+ for(int i = 0; i < components.length; i++)
+ {
+ Component component = components [i];
+
+ // If component is not visible we dont have to care about it.
+ if (!component.isVisible())
+ continue;
+
+ GridBagConstraints constraints = lookupConstraints (component);
+
+ int cellx = sumIntArray(layoutInfo.colWidths, constraints.gridx);
+ int celly = sumIntArray(layoutInfo.rowHeights, constraints.gridy);
+ int cellw = sumIntArray(layoutInfo.colWidths,
+ constraints.gridx + constraints.gridwidth) - cellx;
+ int cellh = sumIntArray(layoutInfo.rowHeights,
+ constraints.gridy + constraints.gridheight) - celly;
+
+ Insets insets = constraints.insets;
+ if (insets != null)
+ {
+ cellx += insets.left;
+ celly += insets.top;
+ cellw -= insets.left + insets.right;
+ cellh -= insets.top + insets.bottom;
+ }
+
+ Dimension dim = component.preferredSize();
+
+ // Note: Documentation says that padding is added on both sides, but
+ // visual inspection shows that the Sun implementation only adds it
+ // once, so we do the same.
+ dim.width += constraints.ipadx;
+ dim.height += constraints.ipady;
+ switch(constraints.fill)
+ {
case GridBagConstraints.HORIZONTAL:
- cx += in.left + cc.ipadx;
- cw = cRect.width - (in.left + in.right + 2 * cc.ipadx);
- switch ( cc.anchor ) {
- case GridBagConstraints.WEST:
- case GridBagConstraints.CENTER:
- case GridBagConstraints.EAST:
- default:
- cy += (cRect.height - ch) / 2;
- break;
-
- case GridBagConstraints.NORTH:
- case GridBagConstraints.NORTHEAST:
- case GridBagConstraints.NORTHWEST:
- cy += in.top + cc.ipady;
- break;
-
- case GridBagConstraints.SOUTHEAST:
- case GridBagConstraints.SOUTH:
- case GridBagConstraints.SOUTHWEST:
- cy += cRect.height - (cd.height + in.bottom + cc.ipady);
- break;
- }
- break;
-
+ dim.width = cellw;
+ break;
case GridBagConstraints.VERTICAL:
- cy += in.top + cc.ipady;
- ch = cRect.height - (in.top + in.bottom + 2 * cc.ipady);
- switch ( cc.anchor ) {
- case GridBagConstraints.NORTH:
- case GridBagConstraints.CENTER:
- case GridBagConstraints.SOUTH:
- default:
- cx += (cRect.width - cw) / 2;
- break;
-
- case GridBagConstraints.NORTHWEST:
- case GridBagConstraints.WEST:
- case GridBagConstraints.SOUTHWEST:
- cx += in.left + cc.ipadx;
- break;
-
- case GridBagConstraints.NORTHEAST:
- case GridBagConstraints.SOUTHEAST:
- case GridBagConstraints.EAST:
- cx += cRect.width - (cw + in.right + cc.ipadx);
*** Patch too long, truncated ***
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