--- a/jdk/src/solaris/classes/sun/awt/motif/MTextAreaPeer.java Wed Jul 05 16:40:31 2017 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,555 +0,0 @@
-/*
- * Copyright 1995-2003 Sun Microsystems, Inc. All Rights Reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Sun designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Sun in the LICENSE file that accompanied this code.
- *
- * This code 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
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- */
-
-package sun.awt.motif;
-
-import java.awt.*;
-import java.awt.peer.*;
-import java.awt.event.TextEvent;
-import java.awt.event.MouseEvent;
-import java.awt.event.MouseWheelEvent;
-import java.awt.datatransfer.*;
-import java.io.BufferedReader;
-import java.io.StringReader;
-import java.io.IOException;
-import java.util.Vector;
-import java.awt.im.InputMethodRequests;
-
-
-public class MTextAreaPeer extends MComponentPeer implements TextAreaPeer {
- native void pCreate(MComponentPeer parent);
-
- private boolean firstChangeSkipped;
-
- /**
- * Initialize JNI field and method IDs
- */
- private static native void initIDs();
-
- static {
- initIDs();
- }
-
- void create(MComponentPeer parent) {
- firstChangeSkipped = false;
- pCreate(parent);
- }
-
- void initialize() {
- int start, end;
-
- TextArea txt = (TextArea)target;
- String text;
-
- if ((text = txt.getText()) != null) {
- setText(text);
- }
-
- start = txt.getSelectionStart();
- end = txt.getSelectionEnd();
-
- if (end > start) {
- select(start, end);
- } else {
- setCaretPosition(start);
- }
-
- super.pSetScrollbarBackground(getParent_NoClientCode(target).getBackground());
-
- if (!target.isBackgroundSet()) {
- // This is a way to set the background color of the TextArea
- // without calling setBackground - go through native C code
- setTargetBackground(SystemColor.text);
- }
- if (!target.isForegroundSet()) {
- target.setForeground(SystemColor.textText);
- }
-
- setEditable(txt.isEditable());
-
-// oldSelectionStart = -1; // accessibility support
-// oldSelectionEnd = -1; // accessibility support
-
- super.initialize();
- }
-
- public MTextAreaPeer(TextArea target) {
- super(target);
- }
-
- public void setEditable(boolean editable) {
- pSetEditable(editable);
-
- /* 4136955 - Calling setBackground() here works around an Xt
- * bug by forcing Xt to flush an internal widget cache
- */
- setBackground(target.getBackground());
- }
- public void setBackground(Color c) {
- setTextBackground(c);
- }
- public void setForeground(Color c) {
- pSetInnerForeground(c);
- }
-
- native int getExtraWidth();
- native int getExtraHeight();
- public native void setTextBackground(Color c);
- public native void pSetEditable(boolean e);
- public native void select(int selStart, int selEnd);
- public native int getSelectionStart();
- public native int getSelectionEnd();
- public native void setText(String txt);
- public native String getText();
- public native void insert(String txt, int pos);
- public native void replaceRange(String txt, int start, int end);
- public native void setFont(Font f);
- public native void setCaretPosition(int pos);
- public native int getCaretPosition();
- public native void pSetCursor(Cursor c);
- native void pShow2();
- native void pMakeCursorVisible();
-
-
- public Dimension getMinimumSize() {
- return getMinimumSize(10, 60);
- }
- public Dimension getPreferredSize(int rows, int cols) {
- return getMinimumSize(rows, cols);
- }
- public Dimension getMinimumSize(int rows, int cols) {
- FontMetrics fm = getFontMetrics(target.getFont());
-
- /* Calculate proper size for text area plus scrollbars.
- * - Motif allows NO leading in its text areas ...
- * - extra width and height counts everything outside the
- * usable text space.
- * (bug 4103248, 4120310):
- * - Motif uses maxAscent + maxDescent, not ascent + descent.
- */
- int colWidth = fm.charWidth('0');
- int rowHeight = fm.getMaxAscent() + fm.getMaxDescent();
- return new Dimension(cols * colWidth + getExtraWidth(),
- rows * rowHeight + getExtraHeight());
- }
- public boolean isFocusable() {
- return true;
- }
-
- // Called from native widget when paste key is pressed and we
- // already own the selection (prevents Motif from hanging while
- // waiting for the selection)
- //
- public void pasteFromClipboard() {
- Clipboard clipboard = target.getToolkit().getSystemClipboard();
-
- Transferable content = clipboard.getContents(this);
- if (content != null) {
- try {
- String data = (String)(content.getTransferData(DataFlavor.stringFlavor));
- // fix for 4401853: to clear TextArea selection if null is pasted
- data = (data == null ? "" : data);
- replaceRange(data, getSelectionStart(), getSelectionEnd());
-
- } catch (Exception e) {
- }
- }
- }
-
- /*
- * Print the native component by rendering the Motif look ourselves.
- * ToDo(aim): needs to query native motif for more accurate size and
- * color information, the top/left text offsets, and selected text.
- */
- static final int MARGIN = 2;
- static final int BORDER = 1;
- static final int SCROLLBAR = 16;
- int fontHeight;
- int fontAscent;
- int fontLeading;
- int topLine = 0;
- int numLines = 0;
- int textLength = 0;
- Vector lines;
- int selStart = 0;
- int selEnd = 0;
- int movedRight = 0;
-
- // the following vars are assigned in print() method
- transient boolean hscrollbar;
- transient boolean vscrollbar;
-
- public void print(Graphics g) {
- TextArea area = (TextArea)target;
- Dimension d = area.size();
- Color bg = area.getBackground();
- Color fg = area.getForeground();
- FontMetrics fm = getFontMetrics(area.getFont());
- int vmin, vmax, vval, vvis;
- int hmin, hmax, hval, hvis;
- int max = 0;
-
- /*
- Doesn't work right yet.
- selStart = area.getSelectionStart();
- selEnd = area.getSelectionEnd();
- */
-
- // Figure out number of lines and max line length
- String text = area.getText();
- textLength = text.length();
- BufferedReader is = new BufferedReader(new StringReader(text));
- String line;
- int pos = 0;
- lines = new Vector();
- int sv = ((TextArea)target).getScrollbarVisibility();
- vscrollbar = (sv == TextArea.SCROLLBARS_BOTH ||
- sv == TextArea.SCROLLBARS_VERTICAL_ONLY);
- hscrollbar = (sv == TextArea.SCROLLBARS_BOTH ||
- sv == TextArea.SCROLLBARS_HORIZONTAL_ONLY);
- boolean wrap = !hscrollbar;
- int w = d.width - (vscrollbar ? SCROLLBAR : 0);
- int h = d.height - (hscrollbar ? SCROLLBAR : 0);
-
- try {
- numLines = 0;
- while((line = is.readLine()) != null) {
- int len = fm.stringWidth(line);
- if (len > w && wrap) {
- // need to do line wrapping
- int start = 0;
- int end = 0;
- int string_length = line.length();
- while (true) {
- int line_width = 0;
- end = start + 1; // at least one character per line
- while (end < string_length) {
- char c = line.charAt(end);
- int cw = fm.charWidth(c);
- if (line_width + cw + 10 > w) // +10?
- break;
- line_width += cw;
- end++;
- }
- // form a line from start to end (not including end)
- String substr = line.substring(start, end);
- // System.out.println("wrap line: " + substr);
- TextLine tline = new TextLine();
- tline.text = substr;
- tline.pos = pos + start;
- lines.addElement(tline);
- start = end;
- max = Math.max(max, len);
- numLines ++;
- if (end == string_length) {
- // we have processed the whole string
- pos += line.length() + 1; // +1 for the ending \n ?
- break;
- }
- }
- } else {
- TextLine tline = new TextLine();
- tline.text = line;
- tline.pos = pos;
- lines.addElement(tline);
- pos += line.length() + 1;
-
- max = Math.max(max, len);
- numLines++;
- }
- }
- is.close();
-
- } catch (IOException e) {
- }
-
-
- fontHeight = fm.getHeight();
- fontAscent = fm.getAscent();
- fontLeading = fm.getLeading();
-
- hmin = vmin = 0;
-
- vvis = linesInWindow(true);
- vmax = Math.max(numLines - vvis, 0);
- vval = 0;
-
- hvis = w - (2 * MARGIN);
- hmax = Math.max(max - hvis, 0);
- hval = 0;
-
- g.setColor(bg);
- g.fillRect(BORDER, BORDER, w, h);
- if (vscrollbar)
- {
- int sbh = d.height - (hscrollbar ? SCROLLBAR : 0);
- g.fillRect(d.width - SCROLLBAR - 3, 1, SCROLLBAR - 3, sbh - 1);
- Graphics ng = g.create();
- try {
- ng.translate(d.width - (SCROLLBAR - 2), 0);
- drawScrollbar(ng, bg, SCROLLBAR - 2, sbh,
- vmin, vmax, vval, vvis, false);
- } finally {
- ng.dispose();
- }
- }
- if (hscrollbar)
- {
- int sbw = d.width - (vscrollbar ? SCROLLBAR : 0);
- g.fillRect(1, d.height - SCROLLBAR - 3, sbw - 1, SCROLLBAR - 3);
- Graphics ng = g.create();
- try {
- ng.translate(0, d.height - (SCROLLBAR - 2));
- drawScrollbar(ng, bg, SCROLLBAR - 2, sbw,
- hmin, hmax, hval, hvis, true);
- } finally {
- ng.dispose();
- }
- }
-
- draw3DRect(g, bg, 0, 0, w - 1, h - 1, false);
-
- if (text != null) {
- int l = linesInWindow(true);
- h = d.height - ((2 * MARGIN) + SCROLLBAR);
- int e = Math.min(numLines - 1, (topLine + l) - 1);
- paintLines(g, bg, fg, topLine, e);
- }
-
-
- target.print(g);
- }
-
- int linesInWindow(boolean horizScrollbar) {
- Dimension d = target.size();
- int htotal = d.height - ((2 * MARGIN) + (horizScrollbar? SCROLLBAR : 0));
- return htotal / fontHeight;
- }
-
- void paintLines(Graphics g, Color bg, Color fg, int s, int e) {
- Dimension d = target.size();
- int w = d.width - ((2 * BORDER) + (vscrollbar ? SCROLLBAR : 0));
- int h = d.height - ((2 * BORDER) + (hscrollbar ? SCROLLBAR : 0));
- int lm = linesInWindow(true) + topLine;
- s = Math.max(topLine, s);
- e = Math.min(e, lm - 1);
- Graphics ng = g.create();
- try {
- ng.clipRect(BORDER + MARGIN, MARGIN + BORDER, w - (2*MARGIN),
- h - (2*MARGIN));
- ng.setFont(target.getFont());
- for (int i = s ; i <= e; i++) {
- paintLine(ng, bg, fg, i);
- }
- } finally {
- ng.dispose();
- }
- }
-
- void paintLine(Graphics g, Color bg, Color fg, int lnr) {
- Dimension d = target.size();
- int l = linesInWindow(true);
-
- if((lnr < topLine) || (lnr >= l + topLine)) {
- return;
- }
- int w = d.width - ((2 * BORDER) + (hscrollbar ? SCROLLBAR : 0));
- int y = MARGIN + fontLeading + ((lnr - topLine) * fontHeight);
- String text = ((TextLine)lines.elementAt(lnr)).text;
- int len = text.length();
-
- if (lnr > numLines - 1) {
- g.setColor(bg);
- g.fillRect(BORDER, y - fontLeading, w, fontHeight);
- return;
- }
- int s = 0;
- int e = (lnr < numLines - 1) ? len : textLength;
- int xs = pos2x(selStart) - movedRight;
- int xe = pos2x(selEnd) - movedRight;
-
- Color highlight = bg.brighter();
- if ((selStart < s) && (selEnd > e)) {
- g.setColor(highlight);
- g.fillRect(BORDER, y - fontLeading, w, fontHeight);
- } else {
- g.setColor(bg);
- g.fillRect(BORDER, y - fontLeading, w, fontHeight);
-
- if ((selStart >= s) && (selStart <= e)) {
- g.setColor(highlight);
-
- if (selEnd > e) {
- g.fillRect(xs, y - fontLeading, (w + BORDER) - xs, fontHeight);
- } else if (selStart == selEnd) {
- //g.fillRect(xs, y - fontLeading, 1, fontHeight);
- } else {
- g.fillRect(xs, y - fontLeading, xe - xs, fontHeight);
- }
- } else if ((selEnd >= s) && (selEnd <= e)) {
- g.setColor(highlight);
- g.fillRect(BORDER, y - fontLeading, xe - BORDER, fontHeight);
- }
- }
- g.setColor(fg);
- g.drawString(text, MARGIN - movedRight, y + fontAscent);
- }
-
- int pos2x(int pos) {
- FontMetrics fm = getFontMetrics(target.getFont());
- int widths[] = fm.getWidths();
- TextLine tl1 = (TextLine)lines.elementAt(0);
- TextLine tl2;
- int l = 0;
- for (int i = 0; i < lines.size() - 1; i++) {
- tl2 = (TextLine)lines.elementAt(i+1);
- if (pos >= tl1.pos && pos < tl2.pos) {
- l = i;
- break;
- }
- tl1 = tl2;
- }
- int x = MARGIN;
- for (int i = 0 ; i < (pos - tl1.pos - 1) ; i++) {
- x += widths[tl1.text.charAt(i)];
- }
- return x;
- }
-
- /**
- * DEPRECATED
- */
- public void insertText(String txt, int pos) {
- insert(txt, pos);
- }
-
- /**
- * DEPRECATED
- */
- public void replaceText(String txt, int start, int end) {
- replaceRange(txt, start, end);
- }
-
- /**
- * DEPRECATED
- */
- public Dimension minimumSize() {
- return getMinimumSize();
- }
-
- /**
- * DEPRECATED
- */
- public Dimension preferredSize(int rows, int cols) {
- return getPreferredSize(rows, cols);
- }
-
- /**
- * DEPRECATED
- */
- public Dimension minimumSize(int rows, int cols) {
- return getMinimumSize(rows, cols);
- }
-
- /*
- * Post a new TextEvent when the value of a text component changes.
- */
- public void valueChanged() {
- postEvent(new TextEvent(target, TextEvent.TEXT_VALUE_CHANGED));
- }
-
- void pShow(){
- pShow2();
- notifyTextComponentChange(true);
- }
-
- void pHide(){
- notifyTextComponentChange(false);
- super.pHide();
- }
-
- void pDispose(){
- notifyTextComponentChange(false);
- super.pDispose();
- }
-
- public boolean handlesWheelScrolling() {return true;}
-
- public void handleEvent(AWTEvent e) {
- if (e.getID() == MouseEvent.MOUSE_WHEEL) {
- MouseWheelEvent mwe = (MouseWheelEvent)e;
- nativeHandleMouseWheel(mwe.getScrollType(),
- mwe.getScrollAmount(),
- mwe.getWheelRotation());
- }
- else {
- super.handleEvent(e);
- }
- }
-
- public InputMethodRequests getInputMethodRequests() {
- return null;
- }
-
-
-
- native void nativeHandleMouseWheel(int scrollType,
- int scrollAmount,
- int wheelRotation);
-
- //
- // Accessibility support
- //
-
-
- // stub functions: to be fully implemented in a future release
- public int getIndexAtPoint(int x, int y) { return -1; }
- public Rectangle getCharacterBounds(int i) { return null; }
- public long filterEvents(long mask) { return 0; }
-
-/* To be fully implemented in a future release
-
- int oldSelectionStart;
- int oldSelectionEnd;
-
- public native int getIndexAtPoint(int x, int y);
- public native Rectangle getCharacterBounds(int i);
- public native long filterEvents(long mask);
-
- /**
- * Handle a change in the text selection endpoints
- * (Note: could be simply a change in the caret location)
- *
- public void selectionValuesChanged(int start, int end) {
- return; // Need to write implementation of this.
- }
-*/
-}
-
-
-class TextLine {
- String text;
- int pos;
-}