/** * This is helper method. It returns height of the top (decrease) scroll bar * button. Please note, that it's possible to return real height only if scroll bar * is instance of BasicScrollBarUI. Otherwise it returns fake (but good enough :) ) * value. */ int getDecScrollButtonHeight() { ScrollBarUI barUI = getUI(); Insets insets = getInsets(); int top = Math.max(0, insets.top); if (barUI instanceof ButtonlessScrollBarUI) { return top + ((ButtonlessScrollBarUI)barUI).getDecrementButtonHeight(); } if (barUI instanceof BasicScrollBarUI) { try { JButton decrButtonValue = (JButton)decrButtonField.get(barUI); LOG.assertTrue(decrButtonValue != null); return top + decrButtonValue.getHeight(); } catch (Exception exc) { throw new IllegalStateException(exc); } } return top + 15; }
/** * This is helper method. It returns height of the bottom (increase) scroll bar * button. Please note, that it's possible to return real height only if scroll bar * is instance of BasicScrollBarUI. Otherwise it returns fake (but good enough :) ) * value. */ int getIncScrollButtonHeight() { ScrollBarUI barUI = getUI(); Insets insets = getInsets(); if (barUI instanceof ButtonlessScrollBarUI) { return insets.top + ((ButtonlessScrollBarUI)barUI).getIncrementButtonHeight(); } if (barUI instanceof BasicScrollBarUI) { try { JButton incrButtonValue = (JButton)incrButtonField.get(barUI); LOG.assertTrue(incrButtonValue != null); return insets.bottom + incrButtonValue.getHeight(); } catch (Exception exc) { throw new IllegalStateException(exc); } } if (APPLE_LAF_AQUA_SCROLL_BAR_UI_CLASS.equals(barUI.getClass().getName())) { return insets.bottom + 30; } return insets.bottom + 15; }
public static boolean canBePreprocessed(MouseEvent e, JScrollBar bar) { if (e.getID() == MouseEvent.MOUSE_MOVED || e.getID() == MouseEvent.MOUSE_PRESSED) { ScrollBarUI ui = bar.getUI(); if (ui instanceof BasicScrollBarUI) { BasicScrollBarUI bui = (BasicScrollBarUI)ui; try { Rectangle rect = (Rectangle)ReflectionUtil.getDeclaredMethod(BasicScrollBarUI.class, "getThumbBounds", ArrayUtil.EMPTY_CLASS_ARRAY).invoke(bui); Point point = SwingUtilities.convertPoint(e.getComponent(), e.getX(), e.getY(), bar); return !rect.contains(point); } catch (Exception e1) { return true; } } } return true; }
public static boolean canBePreprocessed(MouseEvent e, JScrollBar bar) { if (e.getID() == MouseEvent.MOUSE_MOVED || e.getID() == MouseEvent.MOUSE_PRESSED) { ScrollBarUI ui = bar.getUI(); if (ui instanceof BasicScrollBarUI) { BasicScrollBarUI bui = (BasicScrollBarUI)ui; try { Method m = BasicScrollBarUI.class.getDeclaredMethod("getThumbBounds", ArrayUtil.EMPTY_CLASS_ARRAY); m.setAccessible(true); Rectangle rect = (Rectangle)m.invoke(bui); Point point = SwingUtilities.convertPoint(e.getComponent(), e.getX(), e.getY(), bar); return !rect.contains(point); } catch (Exception e1) { return true; } } } return true; }
/** * This is helper method. It returns height of the top (decrease) scroll bar * button. Please note, that it's possible to return real height only if scroll bar * is instance of BasicScrollBarUI. Otherwise it returns fake (but good enough :) ) * value. */ int getDecScrollButtonHeight() { ScrollBarUI barUI = getUI(); Insets insets = getInsets(); if (barUI instanceof ButtonlessScrollBarUI) { return insets.top + ((ButtonlessScrollBarUI)barUI).getDecrementButtonHeight(); } else if (barUI instanceof BasicScrollBarUI) { try { JButton decrButtonValue = (JButton)decrButtonField.get(barUI); LOG.assertTrue(decrButtonValue != null); return insets.top + decrButtonValue.getHeight(); } catch (Exception exc) { throw new IllegalStateException(exc); } } else { return insets.top + 15; } }
/** * Maps {@code JScrollBar.getUI()} through queue */ public ScrollBarUI getUI() { return (runMapping(new MapAction<ScrollBarUI>("getUI") { @Override public ScrollBarUI map() { return ((JScrollBar) getSource()).getUI(); } })); }
@Nullable private static Rectangle calcThumbBounds(JScrollBar scrollBar) { ScrollBarUI scrollBarUI = scrollBar.getUI(); if (scrollBarUI instanceof ButtonlessScrollBarUI) { return ((ButtonlessScrollBarUI)scrollBarUI).getThumbBounds(); } return null; }
/** * Returns a new instance of {@link ScrollBarUI}. * Do not share it between different scroll bars. * * @param c a target component for this UI * @return a new instance of {@link ScrollBarUI} */ @SuppressWarnings("UnusedParameters") public static ScrollBarUI createUI(JComponent c) { if (Registry.is("ide.scroll.new.layout")) { if (!SystemInfo.isMac) return new DefaultScrollBarUI(); if (Registry.is("mac.scroll.new.ui")) return new MacScrollBarUI(); } return ButtonlessScrollBarUI.createNormal(); }
public void setUI(ScrollBarUI ui) { //由于J2SE/JScrollPane需要ScrollBarUI不可见时，设置尺寸为0。故本方法被调用 AndroidClassUtil.callEmptyMethod(); super.setUI(ui); }
public ScrollBarUI getUI() { AndroidClassUtil.callEmptyMethod(); return null; }
/** * This method changes the UI to be the * default for the current look and feel. */ public void updateUI() { setUI((ScrollBarUI) UIManager.getUI(this)); }
void setPersistentUI(ScrollBarUI ui) { myPersistentUI = ui; setUI(ui); }
@Override public void setUI(ScrollBarUI ui) { if (myPersistentUI == null) myPersistentUI = ui; super.setUI(myPersistentUI); setOpaque(false); }
@Override protected boolean isOverlaidScrollbar(@Nullable JScrollBar scrollbar) { ScrollBarUI vsbUI = scrollbar == null ? null : scrollbar.getUI(); return vsbUI instanceof ButtonlessScrollBarUI && !((ButtonlessScrollBarUI)vsbUI).alwaysShowTrack(); }
protected boolean isOverlaidScrollbar(@Nullable JScrollBar scrollbar) { ScrollBarUI vsbUI = scrollbar == null ? null : scrollbar.getUI(); return vsbUI instanceof ButtonlessScrollBarUI && !((ButtonlessScrollBarUI)vsbUI).alwaysShowTrack(); }
protected boolean isOverlaidScrollbar(@Nullable JScrollBar scrollbar) { if (!ButtonlessScrollBarUI.isMacOverlayScrollbarSupported()) return false; ScrollBarUI vsbUI = scrollbar == null ? null : scrollbar.getUI(); return vsbUI instanceof ButtonlessScrollBarUI && !((ButtonlessScrollBarUI)vsbUI).alwaysShowTrack(); }
@Nullable private MyErrorPanel getErrorPanel() { ScrollBarUI ui = myEditor.getVerticalScrollBar().getUI(); return ui instanceof MyErrorPanel ? (MyErrorPanel)ui : null; }
public void setUI(final ScrollBarUI ui) { super.setUI(ui); }
public ScrollBarUI getUI() { return (ScrollBarUI)ui; }
public void updateUI() { setUI((ScrollBarUI)UIManager.getUI(this)); }
@Override public void setUI(ScrollBarUI ui) { if (myPersistentUI == null) myPersistentUI = ui; super.setUI(myPersistentUI); }
