+ activeChild.active = false;
+ children.get(tabOrder).active = true;
+ activeChild = children.get(tabOrder);
+ }
+
+ /**
+ * Returns my active widget.
+ *
+ * @return widget that is active, or this if no children
+ */
+ public TWidget getActiveChild() {
+ if ((this instanceof THScroller)
+ || (this instanceof TVScroller)
+ ) {
+ return parent;
+ }
+
+ for (TWidget widget: children) {
+ if (widget.active) {
+ return widget.getActiveChild();
+ }
+ }
+ // No active children, return me
+ return this;
+ }
+
+ // ------------------------------------------------------------------------
+ // Passthru for Screen functions ------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get the attributes at one location.
+ *
+ * @param x column coordinate. 0 is the left-most column.
+ * @param y row coordinate. 0 is the top-most row.
+ * @return attributes at (x, y)
+ */
+ protected final CellAttributes getAttrXY(final int x, final int y) {
+ return getScreen().getAttrXY(x, y);
+ }
+
+ /**
+ * Set the attributes at one location.
+ *
+ * @param x column coordinate. 0 is the left-most column.
+ * @param y row coordinate. 0 is the top-most row.
+ * @param attr attributes to use (bold, foreColor, backColor)
+ */
+ protected final void putAttrXY(final int x, final int y,
+ final CellAttributes attr) {
+
+ getScreen().putAttrXY(x, y, attr);
+ }
+
+ /**
+ * Set the attributes at one location.
+ *
+ * @param x column coordinate. 0 is the left-most column.
+ * @param y row coordinate. 0 is the top-most row.
+ * @param attr attributes to use (bold, foreColor, backColor)
+ * @param clip if true, honor clipping/offset
+ */
+ protected final void putAttrXY(final int x, final int y,
+ final CellAttributes attr, final boolean clip) {
+
+ getScreen().putAttrXY(x, y, attr, clip);
+ }
+
+ /**
+ * Fill the entire screen with one character with attributes.
+ *
+ * @param ch character to draw
+ * @param attr attributes to use (bold, foreColor, backColor)
+ */
+ protected final void putAll(final char ch, final CellAttributes attr) {
+ getScreen().putAll(ch, attr);
+ }
+
+ /**
+ * Render one character with attributes.
+ *
+ * @param x column coordinate. 0 is the left-most column.
+ * @param y row coordinate. 0 is the top-most row.
+ * @param ch character + attributes to draw
+ */
+ protected final void putCharXY(final int x, final int y, final Cell ch) {
+ getScreen().putCharXY(x, y, ch);
+ }
+
+ /**
+ * Render one character with attributes.
+ *
+ * @param x column coordinate. 0 is the left-most column.
+ * @param y row coordinate. 0 is the top-most row.
+ * @param ch character to draw
+ * @param attr attributes to use (bold, foreColor, backColor)
+ */
+ protected final void putCharXY(final int x, final int y, final char ch,
+ final CellAttributes attr) {
+
+ getScreen().putCharXY(x, y, ch, attr);
+ }
+
+ /**
+ * Render one character without changing the underlying attributes.
+ *
+ * @param x column coordinate. 0 is the left-most column.
+ * @param y row coordinate. 0 is the top-most row.
+ * @param ch character to draw
+ */
+ protected final void putCharXY(final int x, final int y, final char ch) {
+ getScreen().putCharXY(x, y, ch);
+ }
+
+ /**
+ * Render a string. Does not wrap if the string exceeds the line.
+ *
+ * @param x column coordinate. 0 is the left-most column.
+ * @param y row coordinate. 0 is the top-most row.
+ * @param str string to draw
+ * @param attr attributes to use (bold, foreColor, backColor)
+ */
+ protected final void putStringXY(final int x, final int y, final String str,
+ final CellAttributes attr) {
+
+ getScreen().putStringXY(x, y, str, attr);
+ }
+
+ /**
+ * Render a string without changing the underlying attribute. Does not
+ * wrap if the string exceeds the line.
+ *
+ * @param x column coordinate. 0 is the left-most column.
+ * @param y row coordinate. 0 is the top-most row.
+ * @param str string to draw
+ */
+ protected final void putStringXY(final int x, final int y, final String str) {
+ getScreen().putStringXY(x, y, str);
+ }
+
+ /**
+ * Draw a vertical line from (x, y) to (x, y + n).
+ *
+ * @param x column coordinate. 0 is the left-most column.
+ * @param y row coordinate. 0 is the top-most row.
+ * @param n number of characters to draw
+ * @param ch character to draw
+ * @param attr attributes to use (bold, foreColor, backColor)
+ */
+ protected final void vLineXY(final int x, final int y, final int n,
+ final char ch, final CellAttributes attr) {
+
+ getScreen().vLineXY(x, y, n, ch, attr);
+ }
+
+ /**
+ * Draw a horizontal line from (x, y) to (x + n, y).
+ *
+ * @param x column coordinate. 0 is the left-most column.
+ * @param y row coordinate. 0 is the top-most row.
+ * @param n number of characters to draw
+ * @param ch character to draw
+ * @param attr attributes to use (bold, foreColor, backColor)
+ */
+ protected final void hLineXY(final int x, final int y, final int n,
+ final char ch, final CellAttributes attr) {
+
+ getScreen().hLineXY(x, y, n, ch, attr);
+ }
+
+ /**
+ * Draw a box with a border and empty background.
+ *
+ * @param left left column of box. 0 is the left-most row.
+ * @param top top row of the box. 0 is the top-most row.
+ * @param right right column of box
+ * @param bottom bottom row of the box
+ * @param border attributes to use for the border
+ * @param background attributes to use for the background
+ */
+ protected final void drawBox(final int left, final int top,
+ final int right, final int bottom,
+ final CellAttributes border, final CellAttributes background) {
+
+ getScreen().drawBox(left, top, right, bottom, border, background);
+ }
+
+ /**
+ * Draw a box with a border and empty background.
+ *
+ * @param left left column of box. 0 is the left-most row.
+ * @param top top row of the box. 0 is the top-most row.
+ * @param right right column of box
+ * @param bottom bottom row of the box
+ * @param border attributes to use for the border
+ * @param background attributes to use for the background
+ * @param borderType if 1, draw a single-line border; if 2, draw a
+ * double-line border; if 3, draw double-line top/bottom edges and
+ * single-line left/right edges (like Qmodem)
+ * @param shadow if true, draw a "shadow" on the box
+ */
+ protected final void drawBox(final int left, final int top,
+ final int right, final int bottom,
+ final CellAttributes border, final CellAttributes background,
+ final int borderType, final boolean shadow) {
+
+ getScreen().drawBox(left, top, right, bottom, border, background,
+ borderType, shadow);
+ }
+
+ /**
+ * Draw a box shadow.
+ *
+ * @param left left column of box. 0 is the left-most row.
+ * @param top top row of the box. 0 is the top-most row.
+ * @param right right column of box
+ * @param bottom bottom row of the box
+ */
+ protected final void drawBoxShadow(final int left, final int top,
+ final int right, final int bottom) {
+
+ getScreen().drawBoxShadow(left, top, right, bottom);
+ }
+
+ // ------------------------------------------------------------------------
+ // Other TWidget constructors ---------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Convenience function to add a label to this container/window.
+ *
+ * @param text label
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @return the new label
+ */
+ public final TLabel addLabel(final String text, final int x, final int y) {
+ return addLabel(text, x, y, "tlabel");
+ }
+
+ /**
+ * Convenience function to add a label to this container/window.
+ *
+ * @param text label
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param colorKey ColorTheme key color to use for foreground text.
+ * Default is "tlabel"
+ * @return the new label
+ */
+ public final TLabel addLabel(final String text, final int x, final int y,
+ final String colorKey) {
+
+ return new TLabel(this, text, x, y, colorKey);
+ }
+
+ /**
+ * Convenience function to add a label to this container/window.
+ *
+ * @param text label
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param colorKey ColorTheme key color to use for foreground text.
+ * Default is "tlabel"
+ * @param useWindowBackground if true, use the window's background color
+ * @return the new label
+ */
+ public final TLabel addLabel(final String text, final int x, final int y,
+ final String colorKey, final boolean useWindowBackground) {
+
+ return new TLabel(this, text, x, y, colorKey, useWindowBackground);
+ }
+
+ /**
+ * Convenience function to add a button to this container/window.
+ *
+ * @param text label on the button
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param action action to call when button is pressed
+ * @return the new button
+ */
+ public final TButton addButton(final String text, final int x, final int y,
+ final TAction action) {
+
+ return new TButton(this, text, x, y, action);
+ }
+
+ /**
+ * Convenience function to add a checkbox to this container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param label label to display next to (right of) the checkbox
+ * @param checked initial check state
+ * @return the new checkbox
+ */
+ public final TCheckBox addCheckBox(final int x, final int y,
+ final String label, final boolean checked) {
+
+ return new TCheckBox(this, x, y, label, checked);
+ }
+
+ /**
+ * Convenience function to add a combobox to this container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width visible combobox width, including the down-arrow
+ * @param values the possible values for the box, shown in the drop-down
+ * @param valuesIndex the initial index in values, or -1 for no default
+ * value
+ * @param valuesHeight the height of the values drop-down when it is
+ * visible
+ * @param updateAction action to call when a new value is selected from
+ * the list or enter is pressed in the edit field
+ * @return the new combobox
+ */
+ public final TComboBox addComboBox(final int x, final int y,
+ final int width, final List<String> values, final int valuesIndex,
+ final int valuesHeight, final TAction updateAction) {
+
+ return new TComboBox(this, x, y, width, values, valuesIndex,
+ valuesHeight, updateAction);
+ }
+
+ /**
+ * Convenience function to add a spinner to this container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param upAction action to call when the up arrow is clicked or pressed
+ * @param downAction action to call when the down arrow is clicked or
+ * pressed
+ * @return the new spinner
+ */
+ public final TSpinner addSpinner(final int x, final int y,
+ final TAction upAction, final TAction downAction) {
+
+ return new TSpinner(this, x, y, upAction, downAction);
+ }
+
+ /**
+ * Convenience function to add a calendar to this container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param updateAction action to call when the user changes the value of
+ * the calendar
+ * @return the new calendar
+ */
+ public final TCalendar addCalendar(final int x, final int y,
+ final TAction updateAction) {
+
+ return new TCalendar(this, x, y, updateAction);
+ }
+
+ /**
+ * Convenience function to add a progress bar to this container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of progress bar
+ * @param value initial value of percent complete
+ * @return the new progress bar
+ */
+ public final TProgressBar addProgressBar(final int x, final int y,
+ final int width, final int value) {
+
+ return new TProgressBar(this, x, y, width, value);
+ }
+
+ /**
+ * Convenience function to add a radio button group to this
+ * container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param label label to display on the group box
+ * @return the new radio button group
+ */
+ public final TRadioGroup addRadioGroup(final int x, final int y,
+ final String label) {
+
+ return new TRadioGroup(this, x, y, label);
+ }
+
+ /**
+ * Convenience function to add a text field to this container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width visible text width
+ * @param fixed if true, the text cannot exceed the display width
+ * @return the new text field
+ */
+ public final TField addField(final int x, final int y,
+ final int width, final boolean fixed) {
+
+ return new TField(this, x, y, width, fixed);
+ }
+
+ /**
+ * Convenience function to add a text field to this container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width visible text width
+ * @param fixed if true, the text cannot exceed the display width
+ * @param text initial text, default is empty string
+ * @return the new text field
+ */
+ public final TField addField(final int x, final int y,
+ final int width, final boolean fixed, final String text) {
+
+ return new TField(this, x, y, width, fixed, text);
+ }
+
+ /**
+ * Convenience function to add a text field to this container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width visible text width
+ * @param fixed if true, the text cannot exceed the display width
+ * @param text initial text, default is empty string
+ * @param enterAction function to call when enter key is pressed
+ * @param updateAction function to call when the text is updated
+ * @return the new text field
+ */
+ public final TField addField(final int x, final int y,
+ final int width, final boolean fixed, final String text,
+ final TAction enterAction, final TAction updateAction) {
+
+ return new TField(this, x, y, width, fixed, text, enterAction,
+ updateAction);
+ }
+
+ /**
+ * Convenience function to add a scrollable text box to this
+ * container/window.
+ *
+ * @param text text on the screen
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of text area
+ * @param height height of text area
+ * @param colorKey ColorTheme key color to use for foreground text
+ * @return the new text box
+ */
+ public final TText addText(final String text, final int x,
+ final int y, final int width, final int height, final String colorKey) {