}
}
+ /**
+ * Remove a child widget from this container.
+ *
+ * @param child the child widget to remove
+ */
+ public final void remove(final TWidget child) {
+ remove(child, true);
+ }
+
/**
* Remove a child widget from this container.
*
}
children.remove(child);
child.parent = null;
+ child.window = null;
if (layout != null) {
layout.remove(this);
}
if (parent != null) {
parent.remove(this, doClose);
+ window = null;
}
assert (parent == null);
- window = newParent.window;
- newParent.addChild(this);
+ assert (window == null);
+ parent = newParent;
+ setWindow(parent.window);
+ parent.addChild(this);
}
/**
- * Set this widget's window to a specific window. Parent must already be
- * null. Having a null parent with a specified window is only used
- * within Jexer by TStatusBar because TApplication routes events directly
- * to it and calls its draw() method. Any other non-parented widgets
- * will require similar special case functionality to receive events or
- * be drawn to screen.
+ * Set this widget's window to a specific window.
+ *
+ * Having a null parent with a specified window is only used within Jexer
+ * by TStatusBar because TApplication routes events directly to it and
+ * calls its draw() method. Any other non-parented widgets will require
+ * similar special case functionality to receive events or be drawn to
+ * screen.
*
* @param window the window to use
*/
public final void setWindow(final TWindow window) {
-
- if (parent != null) {
- throw new IllegalArgumentException("Cannot have different " +
- "windows for parent and child");
- }
this.window = window;
+ for (TWidget child: getChildren()) {
+ child.setWindow(window);
+ }
}
/**
assert (window != null);
+ if (window instanceof TDesktop) {
+ // Desktop doesn't have a window border.
+ return cursorVisible;
+ }
+
// If cursor is out of my window's bounds, it is not visible.
if ((getCursorAbsoluteX() >= window.getAbsoluteX()
+ window.getWidth() - 1)
/**
* Get this TWidget's parent TApplication.
*
- * @return the parent TApplication
+ * @return the parent TApplication, or null if not assigned
*/
public TApplication getApplication() {
- return window.getApplication();
+ if (window != null) {
+ return window.getApplication();
+ }
+ return null;
}
/**
* Get the Screen.
*
- * @return the Screen
+ * @return the Screen, or null if not assigned
*/
public Screen getScreen() {
- return window.getScreen();
+ if (window != null) {
+ return window.getScreen();
+ }
+ return null;
}
/**
* Called by parent to render to TWindow. Note package private access.
*/
final void drawChildren() {
+ if (window == null) {
+ return;
+ }
+
// Set my clipping rectangle
assert (window != null);
assert (getScreen() != null);
int absoluteRightEdge = window.getAbsoluteX() + window.getWidth();
int absoluteBottomEdge = window.getAbsoluteY() + window.getHeight();
- if (!(this instanceof TWindow) && !(this instanceof TVScroller)) {
+ if (!(this instanceof TWindow)
+ && !(this instanceof TVScroller)
+ && !(parent instanceof TDesktop)
+ ) {
absoluteRightEdge -= 1;
}
- if (!(this instanceof TWindow) && !(this instanceof THScroller)) {
+ if (!(this instanceof TWindow)
+ && !(this instanceof THScroller)
+ && !(parent instanceof TDesktop)
+ ) {
absoluteBottomEdge -= 1;
}
int myRightEdge = getAbsoluteX() + width;
return this;
}
+ /**
+ * Split this widget into two, putting all of this widget's children into
+ * a new TPanel, and returning a new TSplitPane with that panel on the
+ * left or right pane.
+ *
+ * @param newWidgetOnLeft if true, the new widget (if specified) will be
+ * on the left pane, and this widget's children will be placed on the
+ * right pane
+ * @param newWidget the new widget to add to the other pane, or null
+ * @return the new split pane widget
+ */
+ public TSplitPane splitVertical(final boolean newWidgetOnLeft,
+ final TWidget newWidget) {
+
+ TPanel panel = new TPanel(null, x, y, width, height);
+ TSplitPane splitPane = new TSplitPane(null, x, y, width, height, true);
+ List<TWidget> widgets = new ArrayList<TWidget>(children);
+ for (TWidget w: widgets) {
+ w.setParent(panel, false);
+ }
+ children.clear();
+ splitPane.setParent(parent, false);
+ parent = null;
+ window = null;
+ if (newWidgetOnLeft) {
+ splitPane.setLeft(newWidget);
+ splitPane.setRight(panel);
+ } else {
+ splitPane.setRight(newWidget);
+ splitPane.setLeft(panel);
+ }
+ activate(splitPane);
+ for (TWidget w: widgets) {
+ assert (w.window != null);
+ assert (w.parent != null);
+ }
+ assert (splitPane.getWindow() != null);
+ assert (splitPane.getParent() != null);
+ assert (panel.getWindow() != null);
+ assert (panel.getParent() != null);
+ assert (splitPane.isActive() == true);
+ assert (panel.isActive() == true);
+ return splitPane;
+ }
+
+ /**
+ * Split this widget into two, putting all of this widget's children into
+ * a new TPanel, and returning a new TSplitPane with that panel on the
+ * top or bottom pane.
+ *
+ * @param newWidgetOnTop if true, the new widget (if specified) will be
+ * on the top pane, and this widget's children will be placed on the
+ * bottom pane
+ * @param newWidget the new widget to add to the other pane, or null
+ * @return the new split pane widget
+ */
+ public TSplitPane splitHorizontal(final boolean newWidgetOnTop,
+ final TWidget newWidget) {
+
+ TPanel panel = new TPanel(null, x, y, width, height);
+ TSplitPane splitPane = new TSplitPane(null, x, y, width, height, false);
+ List<TWidget> widgets = new ArrayList<TWidget>(children);
+ for (TWidget w: widgets) {
+ w.setParent(panel, false);
+ }
+ children.clear();
+ splitPane.setParent(parent, false);
+ parent = null;
+ splitPane.setTop(panel);
+ parent = null;
+ window = null;
+ if (newWidgetOnTop) {
+ splitPane.setTop(newWidget);
+ splitPane.setBottom(panel);
+ } else {
+ splitPane.setBottom(newWidget);
+ splitPane.setTop(panel);
+ }
+ activate(splitPane);
+ for (TWidget w: widgets) {
+ assert (w.window != null);
+ assert (w.parent != null);
+ }
+ assert (splitPane.getWindow() != null);
+ assert (splitPane.getParent() != null);
+ assert (panel.getWindow() != null);
+ assert (panel.getParent() != null);
+ assert (splitPane.isActive() == true);
+ assert (panel.isActive() == true);
+ return splitPane;
+ }
+
// ------------------------------------------------------------------------
// Passthru for Screen functions ------------------------------------------
// ------------------------------------------------------------------------
return new TPanel(this, x, y, width, height);
}
+ /**
+ * Convenience function to add a split pane to this container/window.
+ *
+ * @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 vertical if true, split vertically
+ * @return the new split pane
+ */
+ public final TSplitPane addSplitPane(final int x, final int y,
+ final int width, final int height, final boolean vertical) {
+
+ return new TSplitPane(this, x, y, width, height, vertical);
+ }
+
}