import jexer.event.TMenuEvent;
import jexer.event.TMouseEvent;
import jexer.event.TResizeEvent;
+import jexer.layout.LayoutManager;
import jexer.menu.TMenu;
import jexer.ttree.TTreeItem;
import jexer.ttree.TTreeView;
*/
private int cursorY = 0;
+ /**
+ * Layout manager.
+ */
+ private LayoutManager layout = null;
+
// ------------------------------------------------------------------------
// Constructors -----------------------------------------------------------
// ------------------------------------------------------------------------
this.parent = parent;
children = new ArrayList<TWidget>();
- if (parent != null) {
- this.window = parent.window;
- parent.addChild(this);
- }
-
this.x = x;
this.y = y;
this.width = width;
this.height = height;
+
+ if (parent != null) {
+ this.window = parent.window;
+ parent.addChild(this);
+ }
}
/**
if (resize.getType() == TResizeEvent.Type.WIDGET) {
width = resize.getWidth();
height = resize.getHeight();
+ if (layout != null) {
+ if (this instanceof TWindow) {
+ layout.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+ width - 2, height - 2));
+ } else {
+ layout.onResize(resize);
+ }
+ }
} else {
// Let children see the screen resize
for (TWidget widget: children) {
* @param menu menu event
*/
public void onMenu(final TMenuEvent menu) {
+
+ // Special case: if a split command comes in, insert a TPanel and
+ // TSplitPane in the hierarchy here.
+ TPanel panel = null;
+ TSplitPane pane = null;
+ List<TWidget> widgets = null;
+ switch (menu.getId()) {
+ case TMenu.MID_SPLIT_VERTICAL:
+ if (children.size() == 0) {
+ break;
+ }
+ panel = new TPanel(null, x, y, width, height);
+ pane = new TSplitPane(null, x, y, width, height, true);
+ widgets = new ArrayList<TWidget>(children);
+ for (TWidget w: widgets) {
+ w.setParent(panel, false);
+ }
+ children.clear();
+ pane.setParent(this, false);
+ pane.setLeft(panel);
+ activate(pane);
+ for (TWidget w: widgets) {
+ assert (w.window != null);
+ assert (w.parent != null);
+ }
+ assert (pane.getWindow() != null);
+ assert (pane.getParent() != null);
+ assert (panel.getWindow() != null);
+ assert (panel.getParent() != null);
+ assert (pane.isActive() == true);
+ assert (panel.isActive() == true);
+ return;
+ case TMenu.MID_SPLIT_HORIZONTAL:
+ if (children.size() == 0) {
+ break;
+ }
+ panel = new TPanel(null, x, y, width, height);
+ pane = new TSplitPane(null, x, y, width, height, false);
+ widgets = new ArrayList<TWidget>(children);
+ for (TWidget w: widgets) {
+ w.setParent(panel, false);
+ }
+ children.clear();
+ pane.setParent(this, false);
+ pane.setTop(panel);
+ activate(pane);
+ for (TWidget w: widgets) {
+ assert (w.window != null);
+ assert (w.parent != null);
+ }
+ assert (pane.getWindow() != null);
+ assert (pane.getParent() != null);
+ assert (panel.getWindow() != null);
+ assert (panel.getParent() != null);
+ assert (pane.isActive() == true);
+ assert (panel.isActive() == true);
+ return;
+ default:
+ break;
+ }
+
// Default: do nothing, pass to children instead
for (TWidget widget: children) {
widget.onMenu(menu);
}
}
+ /**
+ * 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);
+ }
}
/**
*
* @return widget width
*/
- public final int getWidth() {
+ public int getWidth() {
return this.width;
}
*
* @param width new widget width
*/
- public final void setWidth(final int width) {
+ public void setWidth(final int width) {
this.width = width;
+ if (layout != null) {
+ layout.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+ width, height));
+ }
}
/**
*
* @return widget height
*/
- public final int getHeight() {
+ public int getHeight() {
return this.height;
}
*
* @param height new widget height
*/
- public final void setHeight(final int height) {
+ public void setHeight(final int height) {
this.height = height;
+ if (layout != null) {
+ layout.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+ width, height));
+ }
}
/**
setY(y);
setWidth(width);
setHeight(height);
+ if (layout != null) {
+ layout.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+ width, height));
+ }
+ }
+
+ /**
+ * Get the layout manager.
+ *
+ * @return the layout manager, or null if not set
+ */
+ public LayoutManager getLayoutManager() {
+ return layout;
+ }
+
+ /**
+ * Set the layout manager.
+ *
+ * @param layout the new layout manager
+ */
+ public void setLayoutManager(LayoutManager layout) {
+ if (this.layout != null) {
+ for (TWidget w: children) {
+ this.layout.remove(w);
+ }
+ this.layout = null;
+ }
+ this.layout = layout;
+ if (this.layout != null) {
+ for (TWidget w: children) {
+ this.layout.add(w);
+ }
+ }
}
/**
/**
* 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;
}
/**
for (int i = 0; i < children.size(); i++) {
children.get(i).tabOrder = i;
}
+ if (layout != null) {
+ layout.add(child);
+ }
}
/**
* @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 maxValuesHeight the maximum 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) {
+ final int maxValuesHeight, final TAction updateAction) {
return new TComboBox(this, x, y, width, values, valuesIndex,
- valuesHeight, updateAction);
+ maxValuesHeight, updateAction);
}
/**
gridRows);
}
+ /**
+ * Convenience function to add a panel 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
+ * @return the new panel
+ */
+ public final TPanel addPanel(final int x, final int y, final int width,
+ final int height) {
+
+ 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);
+ }
+
}