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1: /* GtkLabelPeer.java -- Implements LabelPeer with GTK 2: Copyright (C) 1998, 1999, 2005 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.Label; 42: import java.awt.peer.LabelPeer; 43: 44: // A composite widget. GtkLabels have transparent backgrounds. An 45: // AWT Label is opaque. To compensate, a GtkLabelPeer is a GtkLabel 46: // packed in a GtkEventBox. 47: public class GtkLabelPeer extends GtkComponentPeer 48: implements LabelPeer 49: { 50: native void create (String text, float alignment); 51: native void gtkWidgetModifyFont (String name, int style, int size); 52: native void nativeSetAlignment (float alignment); 53: 54: public native void setText(String text); 55: native void setNativeBounds (int x, int y, int width, int height); 56: 57: // Because this is a composite widget, we need to retrieve the 58: // GtkLabel's preferred dimensions, not the enclosing GtkEventBox's. 59: native void gtkWidgetGetPreferredDimensions (int[] dim); 60: 61: void create () 62: { 63: Label label = (Label) awtComponent; 64: create (label.getText (), getGtkAlignment (label.getAlignment ())); 65: } 66: 67: public GtkLabelPeer (Label l) 68: { 69: super (l); 70: } 71: 72: public void setAlignment (int alignment) 73: { 74: nativeSetAlignment (getGtkAlignment (alignment)); 75: } 76: 77: float getGtkAlignment (int alignment) 78: { 79: switch (alignment) 80: { 81: case Label.LEFT: 82: return 0.0f; 83: case Label.CENTER: 84: return 0.5f; 85: case Label.RIGHT: 86: return 1.0f; 87: } 88: 89: return 0.0f; 90: } 91: }