diff options
Diffstat (limited to 'libjava/classpath/java/awt/GridBagLayout.java')
| -rw-r--r-- | libjava/classpath/java/awt/GridBagLayout.java | 116 |
1 files changed, 63 insertions, 53 deletions
diff --git a/libjava/classpath/java/awt/GridBagLayout.java b/libjava/classpath/java/awt/GridBagLayout.java index f827d21ca6a..d84b7d6df6c 100644 --- a/libjava/classpath/java/awt/GridBagLayout.java +++ b/libjava/classpath/java/awt/GridBagLayout.java @@ -1,5 +1,5 @@ /* GridBagLayout - Layout manager for components according to GridBagConstraints - Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -38,8 +38,6 @@ exception statement from your version. */ package java.awt; -import gnu.classpath.NotImplementedException; - import java.io.Serializable; import java.util.ArrayList; import java.util.HashMap; @@ -322,13 +320,24 @@ public class GridBagLayout } /** - * Obsolete. + * Move and resize a rectangle according to a set of grid bag + * constraints. The x, y, width and height fields of the + * rectangle argument are adjusted to the new values. + * + * @param constraints position and size constraints + * @param r rectangle to be moved and resized */ - protected void AdjustForGravity (GridBagConstraints gbc, Rectangle rect) - throws NotImplementedException + protected void AdjustForGravity (GridBagConstraints constraints, + Rectangle r) { - // FIXME - throw new Error ("Not implemented"); + Insets insets = constraints.insets; + if (insets != null) + { + r.x += insets.left; + r.y += insets.top; + r.width -= insets.left + insets.right; + r.height -= insets.top + insets.bottom; + } } /** @@ -353,10 +362,9 @@ public class GridBagLayout // layoutInfo. So we wait until after this for loop to set // layoutInfo. Component lastComp = null; - int cellx = 0; - int celly = 0; - int cellw = 0; - int cellh = 0; + + Rectangle cell = new Rectangle(); + for (int i = 0; i < components.length; i++) { Component component = components[i]; @@ -370,29 +378,23 @@ public class GridBagLayout if (lastComp != null && constraints.gridheight == GridBagConstraints.REMAINDER) - celly += cellh; + cell.y += cell.height; else - celly = sumIntArray(info.rowHeights, constraints.gridy); + cell.y = sumIntArray(info.rowHeights, constraints.gridy); if (lastComp != null && constraints.gridwidth == GridBagConstraints.REMAINDER) - cellx += cellw; + cell.x += cell.width; else - cellx = sumIntArray(info.colWidths, constraints.gridx); + cell.x = sumIntArray(info.colWidths, constraints.gridx); - cellw = sumIntArray(info.colWidths, constraints.gridx - + constraints.gridwidth) - cellx; - cellh = sumIntArray(info.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; - } + cell.width = sumIntArray(info.colWidths, constraints.gridx + + constraints.gridwidth) - cell.x; + cell.height = sumIntArray(info.rowHeights, constraints.gridy + + constraints.gridheight) - cell.y; + + // Adjust for insets. + AdjustForGravity( constraints, cell ); // Note: Documentation says that padding is added on both sides, but // visual inspection shows that the Sun implementation only adds it @@ -403,14 +405,14 @@ public class GridBagLayout switch (constraints.fill) { case GridBagConstraints.HORIZONTAL: - dim.width = cellw; + dim.width = cell.width; break; case GridBagConstraints.VERTICAL: - dim.height = cellh; + dim.height = cell.height; break; case GridBagConstraints.BOTH: - dim.width = cellw; - dim.height = cellh; + dim.width = cell.width; + dim.height = cell.height; break; } @@ -420,40 +422,40 @@ public class GridBagLayout switch (constraints.anchor) { case GridBagConstraints.NORTH: - x = cellx + (cellw - dim.width) / 2; - y = celly; + x = cell.x + (cell.width - dim.width) / 2; + y = cell.y; break; case GridBagConstraints.SOUTH: - x = cellx + (cellw - dim.width) / 2; - y = celly + cellh - dim.height; + x = cell.x + (cell.width - dim.width) / 2; + y = cell.y + cell.height - dim.height; break; case GridBagConstraints.WEST: - x = cellx; - y = celly + (cellh - dim.height) / 2; + x = cell.x; + y = cell.y + (cell.height - dim.height) / 2; break; case GridBagConstraints.EAST: - x = cellx + cellw - dim.width; - y = celly + (cellh - dim.height) / 2; + x = cell.x + cell.width - dim.width; + y = cell.y + (cell.height - dim.height) / 2; break; case GridBagConstraints.NORTHEAST: - x = cellx + cellw - dim.width; - y = celly; + x = cell.x + cell.width - dim.width; + y = cell.y; break; case GridBagConstraints.NORTHWEST: - x = cellx; - y = celly; + x = cell.x; + y = cell.y; break; case GridBagConstraints.SOUTHEAST: - x = cellx + cellw - dim.width; - y = celly + cellh - dim.height; + x = cell.x + cell.width - dim.width; + y = cell.y + cell.height - dim.height; break; case GridBagConstraints.SOUTHWEST: - x = cellx; - y = celly + cellh - dim.height; + x = cell.x; + y = cell.y + cell.height - dim.height; break; default: - x = cellx + (cellw - dim.width) / 2; - y = celly + (cellh - dim.height) / 2; + x = cell.x + (cell.width - dim.width) / 2; + y = cell.y + (cell.height - dim.height) / 2; break; } component.setBounds(info.pos_x + x, info.pos_y + y, dim.width, @@ -1082,10 +1084,18 @@ public class GridBagLayout } /** + * Move and resize a rectangle according to a set of grid bag + * constraints. The x, y, width and height fields of the + * rectangle argument are adjusted to the new values. + * + * @param constraints position and size constraints + * @param r rectangle to be moved and resized + * * @since 1.4 */ - protected void adjustForGravity (GridBagConstraints gbc, Rectangle rect) + protected void adjustForGravity (GridBagConstraints constraints, + Rectangle r) { - AdjustForGravity (gbc, rect); + AdjustForGravity (constraints, r); } } |
