*/
package jexer;
+import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.List;
import java.util.ArrayList;
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 -----------------------------------------------------------
// ------------------------------------------------------------------------
protected TWidget(final TWidget parent, final boolean enabled) {
this.enabled = enabled;
this.parent = parent;
- this.window = parent.window;
children = new ArrayList<TWidget>();
- // Do not add TStatusBars, they are drawn by TApplication.
- if (this instanceof TStatusBar) {
- // NOP
- } else {
+ if (parent != null) {
+ this.window = parent.window;
parent.addChild(this);
}
}
protected TWidget(final TWidget parent, final boolean enabled,
final int x, final int y, final int width, final int height) {
+ if (width < 0) {
+ throw new IllegalArgumentException("width cannot be negative");
+ }
+ if (height < 0) {
+ throw new IllegalArgumentException("height cannot be negative");
+ }
+
this.enabled = enabled;
this.parent = parent;
- this.window = parent.window;
children = new ArrayList<TWidget>();
- // Do not add TStatusBars, they are drawn by TApplication.
- if (this instanceof TStatusBar) {
- // NOP
- } else {
- 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);
+ }
}
/**
protected final void setupForTWindow(final TWindow window,
final int x, final int y, final int width, final int height) {
+ if (width < 0) {
+ throw new IllegalArgumentException("width cannot be negative");
+ }
+ if (height < 0) {
+ throw new IllegalArgumentException("height cannot be negative");
+ }
+
this.parent = window;
this.window = window;
this.x = x;
* @param keypress keystroke event
*/
public void onKeypress(final TKeypressEvent keypress) {
+ assert (parent != null);
if ((children.size() == 0)
|| (this instanceof TTreeView)
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:
+ 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:
+ 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);
return children;
}
+ /**
+ * Remove this widget from its parent container. close() will be called
+ * before it is removed.
+ */
+ public final void remove() {
+ remove(true);
+ }
+
+ /**
+ * Remove this widget from its parent container.
+ *
+ * @param doClose if true, call the close() method before removing the
+ * child
+ */
+ public final void remove(final boolean doClose) {
+ if (parent != null) {
+ parent.remove(this, doClose);
+ }
+ }
+
+ /**
+ * 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.
+ *
+ * @param child the child widget to remove
+ * @param doClose if true, call the close() method before removing the
+ * child
+ */
+ public final void remove(final TWidget child, final boolean doClose) {
+ if (!children.contains(child)) {
+ throw new IndexOutOfBoundsException("child widget is not in " +
+ "list of children of this parent");
+ }
+ if (doClose) {
+ child.close();
+ }
+ children.remove(child);
+ child.parent = null;
+ child.window = null;
+ if (layout != null) {
+ layout.remove(this);
+ }
+ }
+
+ /**
+ * Set this widget's parent to a different widget.
+ *
+ * @param newParent new parent widget
+ * @param doClose if true, call the close() method before removing the
+ * child from its existing parent widget
+ */
+ public final void setParent(final TWidget newParent,
+ final boolean doClose) {
+
+ if (parent != null) {
+ parent.remove(this, doClose);
+ window = null;
+ }
+ assert (parent == null);
+ assert (window == null);
+ parent = newParent;
+ setWindow(parent.window);
+ parent.addChild(this);
+ }
+
+ /**
+ * 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) {
+ this.window = window;
+ for (TWidget child: getChildren()) {
+ child.setWindow(window);
+ }
+ }
+
+ /**
+ * Remove a child widget from this container, and all of its children
+ * recursively from their parent containers.
+ *
+ * @param child the child widget to remove
+ * @param doClose if true, call the close() method before removing each
+ * child
+ */
+ public final void removeAll(final TWidget child, final boolean doClose) {
+ remove(child, doClose);
+ for (TWidget w: child.children) {
+ child.removeAll(w, doClose);
+ }
+ }
+
/**
* Get active flag.
*
*
* @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);
+ }
+ }
}
/**
return false;
}
+ assert (window != null);
+
// If cursor is out of my window's bounds, it is not visible.
if ((getCursorAbsoluteX() >= window.getAbsoluteX()
+ window.getWidth() - 1)
if (parent == this) {
return active;
}
- return (active && parent.isAbsoluteActive());
+ return (active && (parent == null ? true : parent.isAbsoluteActive()));
}
/**
for (int i = 0; i < children.size(); i++) {
children.get(i).tabOrder = i;
}
+ if (layout != null) {
+ layout.add(child);
+ }
}
/**
}
}
+ /**
+ * Make this widget the active child of its parent. Note that this is
+ * not final since TWindow overrides activate().
+ */
+ public void activate() {
+ if (enabled) {
+ if (parent != null) {
+ parent.activate(this);
+ }
+ }
+ }
+
/**
* Switch the active widget with the next in the tab order.
*
return;
}
+ assert (parent != null);
+
// If there is only one child, make it active if it is enabled.
if (children.size() == 1) {
if (children.get(0).enabled == true) {
* @param ch character to draw
* @param attr attributes to use (bold, foreColor, backColor)
*/
- protected final void putAll(final char ch, final CellAttributes attr) {
+ protected final void putAll(final int ch, final CellAttributes attr) {
getScreen().putAll(ch, attr);
}
* @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,
+ protected final void putCharXY(final int x, final int y, final int ch,
final CellAttributes attr) {
getScreen().putCharXY(x, y, ch, attr);
* @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) {
+ protected final void putCharXY(final int x, final int y, final int ch) {
getScreen().putCharXY(x, y, ch);
}
* @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) {
+ final int ch, final CellAttributes attr) {
getScreen().vLineXY(x, y, n, ch, attr);
}
* @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) {
+ final int ch, final CellAttributes attr) {
getScreen().hLineXY(x, y, n, ch, attr);
}
* @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);
}
/**
return getApplication().inputBox(title, caption, text);
}
+ /**
+ * Convenience function to spawn an input box.
+ *
+ * @param title window title, will be centered along the top border
+ * @param caption message to display. Use embedded newlines to get a
+ * multi-line box.
+ * @param text initial text to seed the field with
+ * @param type one of the Type constants. Default is Type.OK.
+ * @return the new input box
+ */
+ public final TInputBox inputBox(final String title, final String caption,
+ final String text, final TInputBox.Type type) {
+
+ return getApplication().inputBox(title, caption, text, type);
+ }
+
/**
* Convenience function to add a password text field to this
* container/window.
moveAction);
}
+ /**
+ * Convenience function to add a list to this container/window.
+ *
+ * @param strings list of strings to show. This is allowed to be null
+ * and set later with setList() or by subclasses.
+ * @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 enterAction action to perform when an item is selected
+ * @param moveAction action to perform when the user navigates to a new
+ * item with arrow/page keys
+ * @param singleClickAction action to perform when the user clicks on an
+ * item
+ */
+ public TList addList(final List<String> strings, final int x,
+ final int y, final int width, final int height,
+ final TAction enterAction, final TAction moveAction,
+ final TAction singleClickAction) {
+
+ return new TList(this, strings, x, y, width, height, enterAction,
+ moveAction, singleClickAction);
+ }
+
+
+ /**
+ * Convenience function to add an image to this container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width number of text cells for width of the image
+ * @param height number of text cells for height of the image
+ * @param image the image to display
+ * @param left left column of the image. 0 is the left-most column.
+ * @param top top row of the image. 0 is the top-most row.
+ */
+ public final TImage addImage(final int x, final int y,
+ final int width, final int height,
+ final BufferedImage image, final int left, final int top) {
+
+ return new TImage(this, x, y, width, height, image, left, top);
+ }
+
+ /**
+ * Convenience function to add an image to this container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width number of text cells for width of the image
+ * @param height number of text cells for height of the image
+ * @param image the image to display
+ * @param left left column of the image. 0 is the left-most column.
+ * @param top top row of the image. 0 is the top-most row.
+ * @param clickAction function to call when mouse is pressed
+ */
+ public final TImage addImage(final int x, final int y,
+ final int width, final int height,
+ final BufferedImage image, final int left, final int top,
+ final TAction clickAction) {
+
+ return new TImage(this, x, y, width, height, image, left, top,
+ clickAction);
+ }
+
+ /**
+ * Convenience function to add an editable 2D data table to this
+ * container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of widget
+ * @param height height of widget
+ */
+ public TTableWidget addTable(final int x, final int y, final int width,
+ final int height) {
+
+ return new TTableWidget(this, x, y, width, height);
+ }
+
+ /**
+ * Convenience function to add an editable 2D data table to this
+ * container/window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of widget
+ * @param height height of widget
+ * @param gridColumns number of columns in grid
+ * @param gridRows number of rows in grid
+ */
+ public TTableWidget addTable(final int x, final int y, final int width,
+ final int height, final int gridColumns, final int gridRows) {
+
+ return new TTableWidget(this, x, y, width, height, gridColumns,
+ 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);
+ }
+
}
git://git.nikiroo.be / fanfix.git / blobdiff