/**
* Add a component in the list of components that should be refreshed. If <i>c</i> already has a
* dirty region, the rectangle <i>(x,y,w,h)</i> will be unioned with the region that should be
* redrawn.
*
* @param c Component to repaint, null results in nothing happening.
* @param x X coordinate of the region to repaint
* @param y Y coordinate of the region to repaint
* @param w Width of the region to repaint
* @param h Height of the region to repaint
* @see JComponent#repaint
*/
@Override
public void addDirtyRegion(JComponent c, int x, int y, int w, int h) {
Rectangle dirtyRegion = getDirtyRegion(c);
if (dirtyRegion.width == 0 && dirtyRegion.height == 0) {
int lastDeltaX = c.getX();
int lastDeltaY = c.getY();
Container parent = c.getParent();
while (parent instanceof JComponent) {
if (!parent.isVisible() || !parent.isDisplayable()) {
return;
}
if (parent instanceof JXPanel
&& (((JXPanel) parent).getAlpha() < 1f || !parent.isOpaque())) {
x += lastDeltaX;
y += lastDeltaY;
lastDeltaX = lastDeltaY = 0;
c = (JComponent) parent;
}
lastDeltaX += parent.getX();
lastDeltaY += parent.getY();
parent = parent.getParent();
}
}
super.addDirtyRegion(c, x, y, w, h);
}
/**
* Positions the specified dialog at a position relative to its parent.
*
* @param dialog the dialog to be positioned.
* @param horizontalPercent the relative location.
* @param verticalPercent the relative location.
*/
public static void positionDialogRelativeToParent(
final Dialog dialog, final double horizontalPercent, final double verticalPercent) {
final Container parent = dialog.getParent();
if (parent == null || (parent.isVisible() == false)) {
positionFrameOnScreen(dialog, horizontalPercent, verticalPercent);
return;
}
final Dimension d = dialog.getSize();
final Dimension p = parent.getSize();
final int baseX = parent.getX();
final int baseY = parent.getY();
final int parentPointX = baseX + (int) (horizontalPercent * p.width);
final int parentPointY = baseY + (int) (verticalPercent * p.height);
final int dialogPointX = parentPointX - (int) (horizontalPercent * d.width);
final int dialogPointY = parentPointY - (int) (verticalPercent * d.height);
// make sure the dialog fits completely on the screen...
final Rectangle s = parent.getGraphicsConfiguration().getBounds();
final Rectangle r = new Rectangle(dialogPointX, dialogPointY, d.width, d.height);
final Rectangle intersectedDialogBounds = r.intersection(s);
if (intersectedDialogBounds.width < d.width) {
r.x = s.width - d.width;
r.width = d.width;
}
if (intersectedDialogBounds.height < d.height) {
r.y = s.height - d.height;
r.height = d.height;
}
final Rectangle finalIntersection = r.intersection(s);
dialog.setBounds(finalIntersection);
}
/**
* Retorna a localização do centro deste conector em relação ao <code>Container</code> do parent
* deste conector.
*
* @return Um ponto indicando a localização. Caso o conector não possua parent, retorna <code>null
* </code>.
*/
public Point getCenterLocationOnParentContainer() {
Container c = getParent();
if (c == null) {
return null;
}
return new Point(c.getX() + getX() + getWidth() / 2, c.getY() + getY() + getHeight() / 2);
}
/**
* Retorna a localização deste conector em relação ao <code>Container</code> do parent deste
* conector.
*
* @return Um ponto indicando a localização. Caso o conector não possua parent, retorna <code>null
* </code>.
*/
public Point getLocationOnParentContainer() {
Container c = getParent();
if (c == null) {
return null;
}
return new Point(c.getX() + getX(), c.getY() + getY());
}
/** Calculates the absolute location of the board frame in his outmost parent frame. */
java.awt.Point absolute_panel_location() {
int x = this.scroll_pane.getX();
int y = this.scroll_pane.getY();
java.awt.Container curr_parent = this.scroll_pane.getParent();
while (curr_parent != null) {
x += curr_parent.getX();
y += curr_parent.getY();
curr_parent = curr_parent.getParent();
}
return new java.awt.Point(x, y);
}
private void posicionaLabel() {
int x = lastAcessible.getX() + lastAcessible.getWidth() + 3;
int y = ((int) (lastAcessible.getHeight() + 16) / 2) + lastAcessible.getY() - 16;
// label.setLocation(x, control.getY());
// label.setLocation(0,0);
label.setLabelFor(control);
label.setBounds(x, y, 16, 16);
// ((JTextArea) control).setJComponentZOrder(label, 1);
// label.setLocation(Integer.parseInt(JOptionPane.showInputDialog("x")),
// Integer.parseInt(JOptionPane.showInputDialog("y")));
}
// ------------- maxX() ---------------------
private int maxX() {
return (int) (_parent.getX() + _parent.getWidth() - this.getWidth());
}
// ------------- minX() ---------------------
private int minX() {
return (int) _parent.getX();
}
protected boolean canDirectlyAccessGraphics() {
// TODO: what about popup windows / tooltips???
// TODO: some of the queries could be cached instead of polling,
// for example isShowing(), isOpaque(), getParent() etc.
////// // Shouldn't access graphics - no buffering would cause flickering
////// if (bufferType == BUFFER_NONE) return false;
// Cannot access graphics - there are some child components
if (getComponentCount() != 0) return false;
// Cannot access graphics - component doesn't fully control its area
if (!isOpaque()) return false;
// Cannot access graphics - not in Swing tree
if (!(getParent() instanceof JComponent)) return false;
// Cannot access graphics - component not showing, doesn't make sense
if (!isShowing()) return false;
// Cannot access graphics - component area is not up-to-date
Rectangle dirtyRegion =
RepaintManager.currentManager(this).getDirtyRegion((JComponent) getParent());
if (dirtyRegion != null && dirtyRegion.width > 0 && dirtyRegion.height > 0) return false;
// --- Reused from JViewport -------------------------------------------
Rectangle clip = new Rectangle(0, 0, getWidth(), getHeight());
Rectangle oldClip = new Rectangle();
Rectangle tmp2 = null;
Container parent;
Component lastParent = null;
int x, y, w, h;
for (parent = this;
parent != null && isLightweightComponent(parent);
parent = parent.getParent()) {
x = parent.getX();
y = parent.getY();
w = parent.getWidth();
h = parent.getHeight();
oldClip.setBounds(clip);
SwingUtilities.computeIntersection(0, 0, w, h, clip);
if (!clip.equals(oldClip)) return false;
if (lastParent != null
&& parent instanceof JComponent
&& !((JComponent) parent).isOptimizedDrawingEnabled()) {
Component comps[] = parent.getComponents();
int index = 0;
for (int i = comps.length - 1; i >= 0; i--) {
if (comps[i] == lastParent) {
index = i - 1;
break;
}
}
while (index >= 0) {
tmp2 = comps[index].getBounds(tmp2);
if (tmp2.intersects(clip)) return false;
index--;
}
}
clip.x += x;
clip.y += y;
lastParent = parent;
}
// No Window parent.
if (parent == null) return false;
return true;
}