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1: /* GtkContainerPeer.java -- Implements ContainerPeer with GTK 2: Copyright (C) 1998, 1999 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: 39: package gnu.java.awt.peer.gtk; 40: 41: import java.awt.Color; 42: import java.awt.Component; 43: import java.awt.Container; 44: import java.awt.Font; 45: import java.awt.Graphics; 46: import java.awt.Insets; 47: import java.awt.Window; 48: import java.awt.peer.ComponentPeer; 49: import java.awt.peer.ContainerPeer; 50: 51: public class GtkContainerPeer extends GtkComponentPeer 52: implements ContainerPeer 53: { 54: Container c; 55: 56: public GtkContainerPeer(Container c) 57: { 58: super (c); 59: this.c = c; 60: } 61: 62: public void beginValidate () 63: { 64: } 65: 66: public void endValidate () 67: { 68: Component parent = awtComponent.getParent (); 69: 70: // Only set our parent on the GTK side if our parent on the AWT 71: // side is not showing. Otherwise the gtk peer will be shown 72: // before we've had a chance to position and size it properly. 73: if (parent != null && parent.isShowing ()) 74: { 75: Component[] components = ((Container) awtComponent).getComponents (); 76: int ncomponents = components.length; 77: 78: for (int i = 0; i < ncomponents; i++) 79: { 80: ComponentPeer peer = components[i].getPeer (); 81: 82: // Skip lightweight peers. 83: if (peer instanceof GtkComponentPeer) 84: ((GtkComponentPeer) peer).setParentAndBounds (); 85: } 86: 87: // GTK windows don't have parents. 88: if (!(awtComponent instanceof Window)) 89: setParentAndBounds (); 90: } 91: } 92: 93: public Insets getInsets() 94: { 95: return insets; 96: } 97: 98: public Insets insets() 99: { 100: return getInsets (); 101: } 102: 103: public void setBounds (int x, int y, int width, int height) 104: { 105: super.setBounds (x, y, width, height); 106: } 107: 108: public void setFont(Font f) 109: { 110: super.setFont(f); 111: Component[] components = ((Container) awtComponent).getComponents(); 112: for (int i = 0; i < components.length; i++) 113: { 114: if (components[i].isLightweight ()) 115: components[i].setFont (f); 116: else 117: { 118: GtkComponentPeer peer = (GtkComponentPeer) components[i].getPeer(); 119: if (peer != null && ! peer.awtComponent.isFontSet()) 120: peer.setFont(f); 121: } 122: } 123: } 124: 125: public Graphics getGraphics () 126: { 127: return super.getGraphics(); 128: } 129: 130: public void beginLayout () { } 131: public void endLayout () { } 132: public boolean isPaintPending () { return false; } 133: 134: public void setBackground (Color c) 135: { 136: super.setBackground(c); 137: 138: Object components[] = ((Container) awtComponent).getComponents(); 139: for (int i = 0; i < components.length; i++) 140: { 141: Component comp = (Component) components[i]; 142: 143: // If the child's background has not been explicitly set yet, 144: // it should inherit this container's background. This makes the 145: // child component appear as if it has a transparent background. 146: // Note that we do not alter the background property of the child, 147: // but only repaint the child with the parent's background color. 148: if (!comp.isBackgroundSet() && comp.getPeer() != null) 149: comp.getPeer().setBackground(c); 150: } 151: } 152: 153: public boolean isRestackSupported() 154: { 155: // FIXME: implement 156: return false; 157: } 158: 159: public void cancelPendingPaint(int x, int y, int width, int height) 160: { 161: // FIXME: implement 162: } 163: 164: public void restack() 165: { 166: //FIXME: implement 167: 168: } 169: }