| /* GtkScrollPanePeer.java -- Implements ScrollPanePeer with GTK |
| Copyright (C) 1998, 1999, 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.java.awt.peer.gtk; |
| |
| import java.awt.Adjustable; |
| import java.awt.Dimension; |
| import java.awt.ScrollPane; |
| import java.awt.peer.ScrollPanePeer; |
| |
| public class GtkScrollPanePeer extends GtkContainerPeer |
| implements ScrollPanePeer |
| { |
| native void create (int width, int height); |
| |
| void create () |
| { |
| create (awtComponent.getWidth (), awtComponent.getHeight ()); |
| } |
| |
| // native void gtkScrolledWindowSetScrollPosition(int x, int y); |
| native void gtkScrolledWindowSetHScrollIncrement (int u); |
| native void gtkScrolledWindowSetVScrollIncrement (int u); |
| |
| public GtkScrollPanePeer (ScrollPane sp) |
| { |
| super (sp); |
| |
| setPolicy (sp.getScrollbarDisplayPolicy ()); |
| } |
| |
| native void setPolicy (int policy); |
| public void childResized (int width, int height) |
| { |
| int dim[] = new int[2]; |
| |
| gtkWidgetGetDimensions (dim); |
| |
| // If the child is in this range, GTK adds both scrollbars, but |
| // the AWT doesn't. So set the peer's scroll policy to |
| // GTK_POLICY_NEVER. |
| if ((width > dim[0] - getVScrollbarWidth () |
| && width <= dim[0]) |
| && (height > dim[1] - getHScrollbarHeight () |
| && height <= dim[1])) |
| setPolicy (ScrollPane.SCROLLBARS_NEVER); |
| else |
| setPolicy (((ScrollPane) awtComponent).getScrollbarDisplayPolicy ()); |
| } |
| |
| public native int getHScrollbarHeight(); |
| public native int getVScrollbarWidth(); |
| public native void setScrollPosition(int x, int y); |
| |
| public Dimension getPreferredSize () |
| { |
| return awtComponent.getSize(); |
| } |
| |
| public void setUnitIncrement (Adjustable adj, int u) |
| { |
| if (adj.getOrientation()==Adjustable.HORIZONTAL) |
| gtkScrolledWindowSetHScrollIncrement (u); |
| else |
| gtkScrolledWindowSetVScrollIncrement (u); |
| } |
| |
| public void setValue (Adjustable adj, int v) |
| { |
| // System.out.println("SPP: setVal: "+adj+":"+v); |
| // Point p=myScrollPane.getScrollPosition (); |
| // if (adj.getOrientation()==Adjustable.HORIZONTAL) |
| // gtkScrolledWindowSetScrollPosition (v,p.y); |
| // else |
| // gtkScrolledWindowSetScrollPosition (p.x,v); |
| // adj.setValue(v); |
| } |
| } |