+
+ int row = 0;
+
+ public void next_row() {
+ row++;
+ }
+
+ int inset = 0;
+
+ public void set_inset(int i) {
+ inset = i;
+ }
+
+ public GridBagConstraints constraints (int x, int width, int fill, int anchor, double weightx, double weighty) {
+ return new GridBagConstraints(x, /* x */
+ row, /* y */
+ width, /* width */
+ 1, /* height */
+ weightx, /* weightx */
+ weighty, /* weighty */
+ anchor, /* anchor */
+ fill, /* fill */
+ new Insets(inset,inset,inset,inset), /* insets */
+ 0, /* ipadx */
+ 0); /* ipady */
+ }
+
+ public GridBagConstraints constraints (int x, int width, int fill, int anchor) {
+ double weightx = 0;
+ double weighty = 0;
+
+ if (fill == GridBagConstraints.NONE) {
+ weightx = 0;
+ weighty = 0;
+ } else if (fill == GridBagConstraints.HORIZONTAL) {
+ weightx = 1;
+ weighty = 0;
+ } else if (fill == GridBagConstraints.VERTICAL) {
+ weightx = 0;
+ weighty = 1;
+ } else if (fill == GridBagConstraints.BOTH) {
+ weightx = 1;
+ weighty = 1;
+ }
+
+ return constraints (x, width, fill, anchor, weightx, weighty);
+ }
+
+ public GridBagConstraints constraints (int x, int width, int fill) {
+ return constraints (x, width, fill, GridBagConstraints.WEST);
+ }
+
+ public GridBagConstraints constraints(int x, int width) {
+ return constraints(x, width, GridBagConstraints.NONE);
+ }
+
+ static int open_frames;
+
+ public static void frame_opened() {
+ ++open_frames;
+ }
+
+ public static void frame_closed() {
+ --open_frames;
+ if (open_frames == 0)
+ System.exit(0);
+ }
+