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jlechner |
/* GtkTextAreaPeer.java -- Implements TextAreaPeer with GTK
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Copyright (C) 1998, 1999, 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.awt.peer.gtk;
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import java.awt.Dimension;
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import java.awt.Font;
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import java.awt.FontMetrics;
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import java.awt.Rectangle;
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import java.awt.TextArea;
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import java.awt.im.InputMethodRequests;
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import java.awt.peer.TextAreaPeer;
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import java.awt.peer.TextComponentPeer;
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public class GtkTextAreaPeer extends GtkComponentPeer
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implements TextComponentPeer, TextAreaPeer
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{
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private static transient int DEFAULT_ROWS = 10;
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private static transient int DEFAULT_COLS = 80;
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native void create (int width, int height, int scrollbarVisibility);
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native void gtkWidgetModifyFont (String name, int style, int size);
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native void gtkWidgetRequestFocus ();
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public native void connectSignals ();
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public native int getCaretPosition ();
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public native void setCaretPosition (int pos);
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public native int getSelectionStart ();
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public native int getSelectionEnd ();
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public native String getText ();
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public native void select (int start, int end);
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public native void setEditable (boolean state);
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public native void setText (String text);
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public int getIndexAtPoint(int x, int y)
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{
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// FIXME
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return 0;
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}
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public Rectangle getCharacterBounds (int pos)
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{
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// FIXME
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return null;
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}
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public long filterEvents (long filter)
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{
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// FIXME
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return filter;
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}
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void create ()
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{
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Font f = awtComponent.getFont ();
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// By default, Sun sets a TextArea's font when its peer is
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// created. If f != null then the peer's font is set by
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// GtkComponent.create.
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if (f == null)
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{
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f = new Font ("Dialog", Font.PLAIN, 12);
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awtComponent.setFont (f);
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}
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FontMetrics fm = getFontMetrics (f);
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TextArea ta = ((TextArea) awtComponent);
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int sizeRows = ta.getRows ();
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int sizeCols = ta.getColumns ();
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sizeRows = sizeRows == 0 ? DEFAULT_ROWS : sizeRows;
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sizeCols = sizeCols == 0 ? DEFAULT_COLS : sizeCols;
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int width = sizeCols * fm.getMaxAdvance ();
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int height = sizeRows * (fm.getMaxDescent () + fm.getMaxAscent ());
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create (width, height, ta.getScrollbarVisibility ());
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setEditable (ta.isEditable ());
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}
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public GtkTextAreaPeer (TextArea ta)
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{
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super (ta);
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setText (ta.getText ());
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setCaretPosition (0);
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}
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public native void insert (String str, int pos);
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public native void replaceRange (String str, int start, int end);
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public Dimension getMinimumSize (int rows, int cols)
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{
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return minimumSize (rows == 0 ? DEFAULT_ROWS : rows,
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cols == 0 ? DEFAULT_COLS : cols);
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}
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public Dimension getPreferredSize (int rows, int cols)
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{
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return preferredSize (rows == 0 ? DEFAULT_ROWS : rows,
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cols == 0 ? DEFAULT_COLS : cols);
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}
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native int getHScrollbarHeight ();
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native int getVScrollbarWidth ();
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// Deprecated
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public Dimension minimumSize (int rows, int cols)
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{
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TextArea ta = ((TextArea) awtComponent);
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int height = 0;
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int width = 0;
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if (ta.getScrollbarVisibility () == TextArea.SCROLLBARS_BOTH
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|| ta.getScrollbarVisibility () == TextArea.SCROLLBARS_HORIZONTAL_ONLY)
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height = getHScrollbarHeight ();
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if (ta.getScrollbarVisibility () == TextArea.SCROLLBARS_BOTH
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|| ta.getScrollbarVisibility () == TextArea.SCROLLBARS_VERTICAL_ONLY)
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width = getVScrollbarWidth ();
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Font f = awtComponent.getFont ();
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if (f == null)
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return new Dimension (width, height);
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FontMetrics fm = getFontMetrics (f);
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int sizeRows = rows == 0 ? DEFAULT_ROWS : rows;
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int sizeCols = cols == 0 ? DEFAULT_COLS : cols;
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width += sizeCols * fm.getMaxAdvance ();
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height += sizeRows * (fm.getMaxDescent () + fm.getMaxAscent ());
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return new Dimension (width, height);
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}
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public Dimension preferredSize (int rows, int cols)
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{
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TextArea ta = ((TextArea) awtComponent);
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int height = 0;
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int width = 0;
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if (ta.getScrollbarVisibility () == TextArea.SCROLLBARS_BOTH
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|| ta.getScrollbarVisibility () == TextArea.SCROLLBARS_HORIZONTAL_ONLY)
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height = getHScrollbarHeight ();
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if (ta.getScrollbarVisibility () == TextArea.SCROLLBARS_BOTH
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|| ta.getScrollbarVisibility () == TextArea.SCROLLBARS_VERTICAL_ONLY)
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width = getVScrollbarWidth ();
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Font f = awtComponent.getFont ();
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if (f == null)
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return new Dimension (width, height);
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FontMetrics fm = getFontMetrics (f);
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int sizeRows = rows == 0 ? DEFAULT_ROWS : rows;
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int sizeCols = cols == 0 ? DEFAULT_COLS : cols;
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width += sizeCols * fm.getMaxAdvance ();
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height += sizeRows * (fm.getMaxDescent () + fm.getMaxAscent ());
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return new Dimension (width, height);
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}
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public void replaceText (String str, int start, int end)
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{
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replaceRange (str, start, end);
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}
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public void insertText (String str, int pos)
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{
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insert (str, pos);
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}
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public InputMethodRequests getInputMethodRequests()
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{
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// FIXME: implement
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return null;
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}
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}
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