public void actionPerformed(ActionEvent evt) { JEditTextArea textArea = getTextArea(evt); int caret = textArea.getCaretPosition(); int line = textArea.getCaretLine(); if(line == textArea.getLineCount() - 1) { textArea.getToolkit().beep(); return; } int magic = textArea.getMagicCaretPosition(); if(magic == -1) { magic = textArea.offsetToX(line, caret - textArea.getLineStartOffset(line)); } caret = textArea.getLineStartOffset(line + 1) + textArea.xToOffset(line + 1,magic); if(select) textArea.select(textArea.getMarkPosition(),caret); else textArea.setCaretPosition(caret); textArea.setMagicCaretPosition(magic); }
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); }
public void actionPerformed(ActionEvent evt) { JEditTextArea textArea = getTextArea(evt); int lineCount = textArea.getLineCount(); int firstLine = textArea.getFirstLine(); int visibleLines = textArea.getVisibleLines(); int line = textArea.getCaretLine(); firstLine += visibleLines; if(firstLine + visibleLines >= lineCount - 1) firstLine = lineCount - visibleLines; textArea.setFirstLine(firstLine); int caret = textArea.getLineStartOffset( Math.min(textArea.getLineCount() - 1, line + visibleLines)); if(select) textArea.select(textArea.getMarkPosition(),caret); else textArea.setCaretPosition(caret); }