* @param offset Offset position
* @return Column number starting in 0.
*/
public static int getCaretColumn(JTextComponent txtCmp)
{
return getColumn(txtCmp, txtCmp.getCaretPosition());
}
/**
* Given an offset, returns the column number in a text component.
*
* @param offset Offset position
* @return Column number starting in 0.
*/
public static int getColumn(JTextComponent txtCmp, int offset)
{
return txtCmp.getCaretPosition() - getOffsetStartLine(txtCmp, offset);
}
/**
* Given an offset, returns the offset where the line begins.
*
* @param offset Offset position.
* @return Offset where the line begins.
*/
public static int getOffsetStartLine(JTextComponent txtCmp, int offset)
{
return getOffsetStartLine(txtCmp.getDocument(), offset);
}
/**
* Given an offset, returns the offset where the line begins.
*
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Other popular examples for JTextComponent
193: Rectangle startingRectangle = textComponent.modelToView(startingIndex);
194: Rectangle endDingRectangle = textComponent.modelToView(endingIndex);
-
198: textComponent.scrollRectToVisible(totalBounds);
199: textComponent.repaint();
Full Snippet Info172: Rectangle r = comp.modelToView(match.getStartOffset());
-
175: r.add(comp.modelToView(match.getEndOffset()));
176: if (! comp.getVisibleRect().contains(r))
-
181: Rectangle visible = comp.getVisibleRect();
-
186: Rectangle bounds = comp.getBounds();
187: Insets i = withInsets ? new Insets(0, 0, 0, 0) : comp.getInsets();
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205: comp.scrollRectToVisible(visible);
Full Snippet Info35: int pos = pt == null ? -1 : textField.viewToModel(pt);
-
37: pos = textField.getCaretPosition();
-
40: if (pos == -1 || textField.getSelectionStart() == textField.getSelectionEnd()) {
41: textField.setText(expansion.toString());
42: textField.requestFocusInWindow();
-
44: String text = textField.getText();
45: if (textField.getSelectionStart() < textField.getSelectionEnd()) {
46: textField.setText(text.substring(0, textField.getSelectionStart()) + expansion
47: + text.substring(textField.getSelectionEnd()));
48: textField.setCaretPosition(textField.getSelectionStart());
-
50: textField.setText(text.substring(0, pos) + expansion + text.substring(pos));
51: textField.setCaretPosition(pos);
-
54: textField.requestFocusInWindow();
Full Snippet Info