| /* GtkTextAreaPeer.java -- Implements TextAreaPeer with GTK |
| Copyright (C) 1998, 1999, 2002 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., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 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.Dimension; |
| import java.awt.Font; |
| import java.awt.FontMetrics; |
| import java.awt.Rectangle; |
| import java.awt.TextArea; |
| import java.awt.im.InputMethodRequests; |
| import java.awt.peer.TextAreaPeer; |
| import java.awt.peer.TextComponentPeer; |
| |
| public class GtkTextAreaPeer extends GtkComponentPeer |
| implements TextComponentPeer, TextAreaPeer |
| { |
| private static transient int DEFAULT_ROWS = 10; |
| private static transient int DEFAULT_COLS = 80; |
| |
| native void create (int width, int height, int scrollbarVisibility); |
| |
| /** |
| * Overridden to set Font for text widget inside scrolled window. |
| */ |
| protected native void gtkWidgetModifyFont(String name, int style, int size); |
| |
| native void gtkWidgetRequestFocus (); |
| |
| public native void connectSignals (); |
| |
| public native int getCaretPosition (); |
| public native void setCaretPosition (int pos); |
| public native int getSelectionStart (); |
| public native int getSelectionEnd (); |
| public native String getText (); |
| public native void select (int start, int end); |
| public native void setEditable (boolean state); |
| public native void setText (String text); |
| |
| public int getIndexAtPoint(int x, int y) |
| { |
| // FIXME |
| return 0; |
| } |
| |
| public Rectangle getCharacterBounds (int pos) |
| { |
| // FIXME |
| return null; |
| } |
| |
| public long filterEvents (long filter) |
| { |
| // FIXME |
| return filter; |
| } |
| |
| void create () |
| { |
| Font f = awtComponent.getFont (); |
| |
| // By default, Sun sets a TextArea's font when its peer is |
| // created. If f != null then the peer's font is set by |
| // GtkComponent.create. |
| if (f == null) |
| { |
| f = new Font ("Dialog", Font.PLAIN, 12); |
| awtComponent.setFont (f); |
| } |
| |
| FontMetrics fm = getFontMetrics (f); |
| |
| TextArea ta = ((TextArea) awtComponent); |
| int sizeRows = ta.getRows (); |
| int sizeCols = ta.getColumns (); |
| |
| sizeRows = sizeRows == 0 ? DEFAULT_ROWS : sizeRows; |
| sizeCols = sizeCols == 0 ? DEFAULT_COLS : sizeCols; |
| |
| int width = sizeCols * fm.getMaxAdvance (); |
| int height = sizeRows * (fm.getMaxDescent () + fm.getMaxAscent ()); |
| |
| create (width, height, ta.getScrollbarVisibility ()); |
| setEditable (ta.isEditable ()); |
| } |
| |
| public GtkTextAreaPeer (TextArea ta) |
| { |
| super (ta); |
| |
| setText (ta.getText ()); |
| setCaretPosition (0); |
| } |
| |
| public native void insert (String str, int pos); |
| public native void replaceRange (String str, int start, int end); |
| |
| public Dimension getMinimumSize (int rows, int cols) |
| { |
| return minimumSize (rows == 0 ? DEFAULT_ROWS : rows, |
| cols == 0 ? DEFAULT_COLS : cols); |
| } |
| |
| public Dimension getPreferredSize (int rows, int cols) |
| { |
| return preferredSize (rows == 0 ? DEFAULT_ROWS : rows, |
| cols == 0 ? DEFAULT_COLS : cols); |
| } |
| |
| native int getHScrollbarHeight (); |
| native int getVScrollbarWidth (); |
| |
| // Deprecated |
| public Dimension minimumSize (int rows, int cols) |
| { |
| TextArea ta = ((TextArea) awtComponent); |
| int height = 0; |
| int width = 0; |
| |
| if (ta.getScrollbarVisibility () == TextArea.SCROLLBARS_BOTH |
| || ta.getScrollbarVisibility () == TextArea.SCROLLBARS_HORIZONTAL_ONLY) |
| height = getHScrollbarHeight (); |
| |
| if (ta.getScrollbarVisibility () == TextArea.SCROLLBARS_BOTH |
| || ta.getScrollbarVisibility () == TextArea.SCROLLBARS_VERTICAL_ONLY) |
| width = getVScrollbarWidth (); |
| |
| Font f = awtComponent.getFont (); |
| if (f == null) |
| return new Dimension (width, height); |
| |
| FontMetrics fm = getFontMetrics (f); |
| |
| int sizeRows = rows == 0 ? DEFAULT_ROWS : rows; |
| int sizeCols = cols == 0 ? DEFAULT_COLS : cols; |
| |
| width += sizeCols * fm.getMaxAdvance (); |
| height += sizeRows * (fm.getMaxDescent () + fm.getMaxAscent ()); |
| |
| return new Dimension (width, height); |
| } |
| |
| public Dimension preferredSize (int rows, int cols) |
| { |
| TextArea ta = ((TextArea) awtComponent); |
| int height = 0; |
| int width = 0; |
| |
| if (ta.getScrollbarVisibility () == TextArea.SCROLLBARS_BOTH |
| || ta.getScrollbarVisibility () == TextArea.SCROLLBARS_HORIZONTAL_ONLY) |
| height = getHScrollbarHeight (); |
| |
| if (ta.getScrollbarVisibility () == TextArea.SCROLLBARS_BOTH |
| || ta.getScrollbarVisibility () == TextArea.SCROLLBARS_VERTICAL_ONLY) |
| width = getVScrollbarWidth (); |
| |
| Font f = awtComponent.getFont (); |
| if (f == null) |
| return new Dimension (width, height); |
| |
| FontMetrics fm = getFontMetrics (f); |
| |
| int sizeRows = rows == 0 ? DEFAULT_ROWS : rows; |
| int sizeCols = cols == 0 ? DEFAULT_COLS : cols; |
| |
| width += sizeCols * fm.getMaxAdvance (); |
| height += sizeRows * (fm.getMaxDescent () + fm.getMaxAscent ()); |
| |
| return new Dimension (width, height); |
| } |
| |
| public void replaceText (String str, int start, int end) |
| { |
| replaceRange (str, start, end); |
| } |
| |
| public void insertText (String str, int pos) |
| { |
| insert (str, pos); |
| } |
| |
| public InputMethodRequests getInputMethodRequests() |
| { |
| // FIXME: implement |
| return null; |
| } |
| } |