@Override public void execute(final Object arg) { rend.updateScrollbar(); // update scrollbar to display value within valid range scroll.pos(scroll.pos()); rend.repaint(); }
@Override public final void mouseDragged(final MouseEvent e) { if (!SwingUtilities.isLeftMouseButton(e)) return; // selection mode select(e.getPoint(), false); final int y = Math.max(20, Math.min(e.getY(), getHeight() - 20)); if (y != e.getY()) scroll.pos(scroll.pos() + e.getY() - y); }
/** * Jumps to the current, next or previous search string. * * @param dir search direction * @param select select hit */ protected final void jump(final SearchDir dir, final boolean select) { // updates the visible area final int y = rend.jump(dir, select); final int h = getHeight(); final int p = scroll.pos(); final int m = y + rend.fontHeight() * 3 - h; if (y != -1 && (p < m || p > y)) scroll.pos(y - h / 2); rend.repaint(); }
@Override public void execute(final Object algn) { // updates the visible area final int p = scroll.pos(); final int y = rend.cursorY(); final int m = y + rend.fontHeight() * 3 - getHeight(); if (p < m || p > y) { final int align = (Integer) algn; scroll.pos(align == 0 ? y : align == 1 ? y - getHeight() / 2 : m); } rend.repaint(); }
@Override public final void setEnabled(final boolean enabled) { super.setEnabled(enabled); rend.setEnabled(enabled); scroll.setEnabled(enabled); caret(enabled); }
@Override public final void mouseWheelMoved(final MouseWheelEvent e) { scroll.pos(scroll.pos() + e.getUnitsToScroll() * 20); rend.repaint(); }
/** * Refreshes the layout. * * @param f used font */ public final void refreshLayout(final Font f) { setFont(f); scroll.refreshLayout(); }
@Override public void keyPressed(final KeyEvent e) { // ignore modifier keys if (specialKey(e) || modifier(e)) return; // re-animate cursor caret(true); // operations without cursor movement... final int fh = rend.fontHeight(); if (SCROLLDOWN.is(e)) { scroll.pos(scroll.pos() + fh); return; } if (SCROLLUP.is(e)) { scroll.pos(scroll.pos() - fh); return; } // set cursor position final boolean selected = editor.selected(); final int pos = editor.pos(); final boolean shift = e.isShiftDown(); boolean down = true, consumed = true; // move caret int lc = Integer.MIN_VALUE; final byte[] txt = editor.text(); if (NEXTWORD.is(e)) { editor.nextWord(shift); } else if (PREVWORD.is(e)) { editor.prevWord(shift); down = false; } else if (TEXTSTART.is(e)) { editor.textStart(shift); down = false; } else if (TEXTEND.is(e)) { editor.textEnd(shift); } else if (LINESTART.is(e)) { editor.lineStart(shift); down = false; } else if (LINEEND.is(e)) { editor.lineEnd(shift); } else if (PREVPAGE_RO.is(e) && !hist.active()) { lc = editor.linesUp(getHeight() / fh, false, lastCol); down = false; } else if (NEXTPAGE_RO.is(e) && !hist.active()) { lc = editor.linesDown(getHeight() / fh, false, lastCol); } else if (PREVPAGE.is(e) && !sc(e)) { lc = editor.linesUp(getHeight() / fh, shift, lastCol); down = false; } else if (NEXTPAGE.is(e) && !sc(e)) { lc = editor.linesDown(getHeight() / fh, shift, lastCol); } else if (NEXTLINE.is(e) && !MOVEDOWN.is(e)) { lc = editor.linesDown(1, shift, lastCol); } else if (PREVLINE.is(e) && !MOVEUP.is(e)) { lc = editor.linesUp(1, shift, lastCol); down = false; } else if (NEXTCHAR.is(e)) { editor.next(shift); } else if (PREVCHAR.is(e)) { editor.previous(shift); down = false; } else { consumed = false; } lastCol = lc == Integer.MIN_VALUE ? -1 : lc; // edit text if (hist.active()) { if (COMPLETE.is(e)) { complete(); return; } if (MOVEDOWN.is(e)) { editor.move(true); } else if (MOVEUP.is(e)) { editor.move(false); } else if (DELLINE.is(e)) { editor.deleteLine(); } else if (DELNEXTWORD.is(e)) { editor.deleteNext(true); } else if (DELLINEEND.is(e)) { editor.deleteNext(false); } else if (DELNEXT.is(e)) { editor.delete(); } else if (DELPREVWORD.is(e)) { editor.deletePrev(true); down = false; } else if (DELLINESTART.is(e)) { editor.deletePrev(false); down = false; } else if (DELPREV.is(e)) { editor.deletePrev(); down = false; } else { consumed = false; } } if (consumed) e.consume(); final byte[] tmp = editor.text(); if (txt != tmp) { // text has changed: add old text to history hist.store(tmp, pos, editor.pos()); scrollCode.invokeLater(down); } else if (pos != editor.pos() || selected != editor.selected()) { // cursor position or selection state has changed cursorCode.invokeLater(down ? 2 : 0); } }