private void maybeShowFor(Component c, MouseEvent me) {
if (!(c instanceof JComponent)) return;
JComponent comp = (JComponent) c;
Window wnd = SwingUtilities.getWindowAncestor(comp);
if (wnd == null) return;
if (!wnd.isActive()) {
if (JBPopupFactory.getInstance().isChildPopupFocused(wnd)) return;
}
String tooltipText = comp.getToolTipText(me);
if (tooltipText == null || tooltipText.trim().isEmpty()) return;
boolean centerDefault =
Boolean.TRUE.equals(comp.getClientProperty(UIUtil.CENTER_TOOLTIP_DEFAULT));
boolean centerStrict =
Boolean.TRUE.equals(comp.getClientProperty(UIUtil.CENTER_TOOLTIP_STRICT));
int shift = centerStrict ? 0 : centerDefault ? 4 : 0;
// Balloon may appear exactly above useful content, such behavior is rather annoying.
if (c instanceof JTree) {
TreePath path = ((JTree) c).getClosestPathForLocation(me.getX(), me.getY());
if (path != null) {
Rectangle pathBounds = ((JTree) c).getPathBounds(path);
if (pathBounds != null && pathBounds.y + 4 < me.getY()) {
shift += me.getY() - pathBounds.y - 4;
}
}
}
queueShow(comp, me, centerStrict || centerDefault, shift, -shift, -shift);
}
public void actionPerformed(ActionEvent evt)
{
JEditTextArea textArea = getTextArea(evt);
int caret = textArea.getCaretPosition();
int firstLine = textArea.getFirstLine();
int firstOfLine = textArea.getLineStartOffset(
textArea.getCaretLine());
int firstVisibleLine = (firstLine == 0 ? 0 :
firstLine + textArea.getElectricScroll());
int firstVisible = textArea.getLineStartOffset(
firstVisibleLine);
if(caret == 0)
{
textArea.getToolkit().beep();
return;
}
else if(!Boolean.TRUE.equals(textArea.getClientProperty(
SMART_HOME_END_PROPERTY)))
caret = firstOfLine;
else if(caret == firstVisible)
caret = 0;
else if(caret == firstOfLine)
caret = firstVisible;
else
caret = firstOfLine;
if(select)
textArea.select(textArea.getMarkPosition(),caret);
else
textArea.setCaretPosition(caret);
}
public void actionPerformed(ActionEvent evt)
{
JEditTextArea textArea = getTextArea(evt);
int caret = textArea.getCaretPosition();
int lastOfLine = textArea.getLineEndOffset(
textArea.getCaretLine()) - 1;
int lastVisibleLine = textArea.getFirstLine()
+ textArea.getVisibleLines();
if(lastVisibleLine >= textArea.getLineCount())
{
lastVisibleLine = Math.min(textArea.getLineCount() - 1,
lastVisibleLine);
}
else
lastVisibleLine -= (textArea.getElectricScroll() + 1);
int lastVisible = textArea.getLineEndOffset(lastVisibleLine) - 1;
int lastDocument = textArea.getDocumentLength();
if(caret == lastDocument)
{
textArea.getToolkit().beep();
return;
}
else if(!Boolean.TRUE.equals(textArea.getClientProperty(
SMART_HOME_END_PROPERTY)))
caret = lastOfLine;
else if(caret == lastVisible)
caret = lastDocument;
else if(caret == lastOfLine)
caret = lastVisible;
else
caret = lastOfLine;
if(select)
textArea.select(textArea.getMarkPosition(),caret);
else
textArea.setCaretPosition(caret);
}