@Override
public Point computeSize(int wHint, int hHint, boolean changed) {
checkWidget();
if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0;
if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0;
int width, height;
int layoutWidth = layout.getWidth();
// TEMPORARY CODE
if (wHint == 0) {
layout.setWidth(1);
Rectangle rect = layout.getBounds();
width = 0;
height = rect.height;
} else {
layout.setWidth(wHint);
Rectangle rect = layout.getBounds();
width = rect.width;
height = rect.height;
}
layout.setWidth(layoutWidth);
if (wHint != SWT.DEFAULT) width = wHint;
if (hHint != SWT.DEFAULT) height = hHint;
int border = getBorderWidth();
width += border * 2;
height += border * 2;
return new Point(width, height);
}
private void layoutControls() {
Rectangle r = canvas.getBounds();
int hw = Math.max(0, (r.width - MARGIN_H) / 2 - MARGIN_H);
nameLayout.setWidth(Math.max(hw, 1));
valueLayout.setWidth(Math.max(hw, 1));
if (editor != null) {
Control ec = editor.getControl();
int eh = r.height - MARGIN_V - MARGIN_V;
ec.setBounds(r.width - MARGIN_H - hw, (r.height - eh) / 2, hw, eh);
}
// if (border != null) {
// border.dispose();
// border = null;
// }
// border = new Path(Display.getCurrent());
// float left = 0, top = 0, right = r.width, bottom = r.height;
// border.moveTo(right - RADIUS, top);
// border.cubicTo(right - RADIUS_BEND, top, right, top + RADIUS_BEND,
// right, top + RADIUS);
// border.lineTo(right, bottom - RADIUS);
// border.cubicTo(right, bottom - RADIUS_BEND, right - RADIUS_BEND,
// bottom, right - RADIUS, bottom);
// border.lineTo(left + RADIUS, bottom);
// border.cubicTo(left + RADIUS_BEND, bottom, left, bottom - RADIUS_BEND,
// left, bottom - RADIUS);
// border.lineTo(left, top + RADIUS);
// border.cubicTo(left, top + RADIUS_BEND, left + RADIUS_BEND, top, left
// + RADIUS, top);
// border.close();
}
public Point computeSize(int wHint, int hHint, boolean changed) {
checkWidget();
if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0;
if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0;
int width, height;
if (OS.COMCTL32_MAJOR >= 6) {
int /*long*/ hDC = OS.GetDC(handle);
int /*long*/ newFont = OS.SendMessage(handle, OS.WM_GETFONT, 0, 0);
int /*long*/ oldFont = OS.SelectObject(hDC, newFont);
if (text.length() > 0) {
TCHAR buffer = new TCHAR(getCodePage(), parse(text), false);
RECT rect = new RECT();
int flags = OS.DT_CALCRECT | OS.DT_NOPREFIX;
if (wHint != SWT.DEFAULT) {
flags |= OS.DT_WORDBREAK;
rect.right = wHint;
}
OS.DrawText(hDC, buffer, buffer.length(), rect, flags);
width = rect.right - rect.left;
height = rect.bottom;
} else {
TEXTMETRIC lptm = OS.IsUnicode ? (TEXTMETRIC) new TEXTMETRICW() : new TEXTMETRICA();
OS.GetTextMetrics(hDC, lptm);
width = 0;
height = lptm.tmHeight;
}
if (newFont != 0) OS.SelectObject(hDC, oldFont);
OS.ReleaseDC(handle, hDC);
} else {
int layoutWidth = layout.getWidth();
// TEMPORARY CODE
if (wHint == 0) {
layout.setWidth(1);
Rectangle rect = layout.getBounds();
width = 0;
height = rect.height;
} else {
layout.setWidth(wHint);
Rectangle rect = layout.getBounds();
width = rect.width;
height = rect.height;
}
layout.setWidth(layoutWidth);
}
if (wHint != SWT.DEFAULT) width = wHint;
if (hHint != SWT.DEFAULT) height = hHint;
int border = getBorderWidth();
width += border * 2;
height += border * 2;
return new Point(width, height);
}
@Test
public void test_getLineBounds() {
if (SwtTestUtil.isCocoa) {
// TODO Fix Cocoa failure.
if (SwtTestUtil.verbose) {
System.out.println(
"Excluded test_getLineBonds(org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_TextLayout).");
}
return;
}
TextLayout layout = new TextLayout(display);
String text = "0123456\n890123\n";
layout.setText(text);
Rectangle rect0 = layout.getLineBounds(0);
Rectangle rect1 = layout.getLineBounds(1);
Rectangle rect2 = layout.getLineBounds(2);
assertTrue(rect0.width > rect1.width);
assertEquals(0, rect2.width);
assertEquals(0, rect0.x);
assertEquals(0, rect1.x);
assertEquals(0, rect2.x);
Rectangle bounds = layout.getBounds();
assertEquals(bounds.width, rect0.width);
layout.setWidth(bounds.width);
layout.setAlignment(SWT.CENTER);
assertEquals(bounds, layout.getBounds());
layout.setWidth(bounds.width + 100);
Rectangle newRect1 = layout.getLineBounds(0);
assertEquals(50, newRect1.x);
layout.setAlignment(SWT.RIGHT);
newRect1 = layout.getLineBounds(0);
assertEquals(100, newRect1.x);
assertEquals(bounds.height, rect0.height + rect1.height + rect2.height);
try {
layout.getLineBounds(-1);
fail("invalid range expection expected");
} catch (Exception e) {
}
try {
layout.getLineBounds(3);
fail("invalid range expection expected");
} catch (Exception e) {
}
layout.dispose();
}
@Override
int setBounds(int x, int y, int width, int height, boolean move, boolean resize) {
int result = super.setBounds(x, y, width, height, move, resize);
if ((result & RESIZED) != 0) {
layout.setWidth(width > 0 ? width : -1);
redraw();
}
return result;
}
LRESULT WM_SIZE(int /*long*/ wParam, int /*long*/ lParam) {
LRESULT result = super.WM_SIZE(wParam, lParam);
if (OS.COMCTL32_MAJOR < 6) {
RECT rect = new RECT();
OS.GetClientRect(handle, rect);
layout.setWidth(rect.right > 0 ? rect.right : -1);
redraw();
}
return result;
}
@Test
public void test_getLineOffsets() {
TextLayout layout = new TextLayout(display);
String text = "0123456\n890123\n";
layout.setText(text);
int[] offsets = layout.getLineOffsets();
int[] expected = new int[] {0, 8, 15, 15};
for (int i = 0; i < offsets.length; i++) {
assertEquals(expected[i], offsets[i]);
}
layout.setText("");
offsets = layout.getLineOffsets();
expected = new int[] {0, 0};
for (int i = 0; i < offsets.length; i++) {
assertEquals(expected[i], offsets[i]);
}
layout.setText("\n");
offsets = layout.getLineOffsets();
expected = new int[] {0, 1, 1};
for (int i = 0; i < offsets.length; i++) {
assertEquals(expected[i], offsets[i]);
}
layout.setText("WMWM");
int width = layout.getBounds().width;
layout.setWidth(width / 4 + 1);
offsets = layout.getLineOffsets();
expected = new int[] {0, 1, 2, 3, 4};
for (int i = 0; i < offsets.length; i++) {
assertEquals(expected[i], offsets[i]);
}
layout.setWidth(width / 2 + 1);
offsets = layout.getLineOffsets();
expected = new int[] {0, 2, 4};
for (int i = 0; i < offsets.length; i++) {
assertEquals(expected[i], offsets[i]);
}
layout.dispose();
}
private void decideShellSize(Shell newShell) {
GC gc = new GC(newShell);
Rectangle imgRect = getImage().getBounds();
Point extent = gc.textExtent(getTitle());
int titleWidth = imgRect.width + extent.x + 27;
TextLayout layout = new TextLayout(newShell.getDisplay());
layout.setWidth(215);
layout.setText(getTip());
shellWidth = Math.max(titleWidth, 215 + getLeftMargin() + getRightMargin() + 6);
shellHeight =
layout.getBounds().height
+ getTopMargin()
+ getBottomMargin()
+ Math.max(18, extent.y + 6)
+ 13
+ btnDefault.getSize().y;
gc.dispose();
layout.dispose();
}
@Test
public void test_getOffset() {
boolean isCocoa = SwtTestUtil.isCocoa;
if (isCocoa) {
// TODO Fix Cocoa failure.
if (SwtTestUtil.verbose) {
System.out.println(
"Partially excluded test_getOffset(org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_TextLayout).");
}
}
TextLayout layout = new TextLayout(display);
String text = "AB \u05E9\u05E0 CD\nHello";
layout.setText(text);
int[] trailing = new int[1];
assertEquals(0, layout.getOffset(0, 0, trailing));
assertEquals(0, trailing[0]);
Point point = layout.getLocation(0, true);
assertEquals(1, layout.getOffset(point.x + 1, 0, trailing));
assertEquals(0, trailing[0]);
point = layout.getLocation(1, false);
assertEquals(0, layout.getOffset(point.x - 1, 0, trailing));
assertEquals(1, trailing[0]);
point = layout.getLocation(2, true);
assertEquals(4, layout.getOffset(point.x + 1, 0, trailing));
assertEquals(1, trailing[0]);
point = layout.getLocation(4, true);
assertEquals(2, layout.getOffset(point.x - 1, 0, trailing));
assertEquals(1, trailing[0]);
point = layout.getLocation(4, false);
assertEquals(3, layout.getOffset(point.x + 1, 0, trailing));
assertEquals(1, trailing[0]);
Rectangle bounds = layout.getBounds();
layout.setWidth(bounds.width + 100);
layout.setAlignment(SWT.CENTER);
assertEquals(0, layout.getOffset(0, 0, trailing));
assertEquals(0, trailing[0]);
point = layout.getLocation(0, true);
assertEquals(1, layout.getOffset(point.x + 1, 0, trailing));
assertEquals(0, trailing[0]);
point = layout.getLocation(1, false);
assertEquals(0, layout.getOffset(point.x - 1, 0, trailing));
assertEquals(1, trailing[0]);
point = layout.getLocation(2, true);
assertEquals(4, layout.getOffset(point.x + 1, 0, trailing));
assertEquals(1, trailing[0]);
point = layout.getLocation(4, true);
assertEquals(2, layout.getOffset(point.x - 1, 0, trailing));
assertEquals(1, trailing[0]);
point = layout.getLocation(4, false);
assertEquals(3, layout.getOffset(point.x + 1, 0, trailing));
assertEquals(1, trailing[0]);
layout.setAlignment(SWT.RIGHT);
assertEquals(0, layout.getOffset(0, 0, trailing));
assertEquals(0, trailing[0]);
point = layout.getLocation(0, true);
assertEquals(1, layout.getOffset(point.x + 1, 0, trailing));
assertEquals(0, trailing[0]);
point = layout.getLocation(1, false);
assertEquals(0, layout.getOffset(point.x - 1, 0, trailing));
assertEquals(1, trailing[0]);
point = layout.getLocation(2, true);
assertEquals(4, layout.getOffset(point.x + 1, 0, trailing));
assertEquals(1, trailing[0]);
point = layout.getLocation(4, true);
assertEquals(2, layout.getOffset(point.x - 1, 0, trailing));
if (!isCocoa) assertEquals(1, trailing[0]);
point = layout.getLocation(4, false);
assertEquals(3, layout.getOffset(point.x + 1, 0, trailing));
assertEquals(1, trailing[0]);
text = "Text";
layout.setText(text);
int width = layout.getBounds().width;
layout.setAlignment(SWT.LEFT);
assertEquals(0, layout.getOffset(1, 0, null));
assertEquals(text.length() - 1, layout.getOffset(width - 1, 0, null));
layout.setWidth(width + 100);
layout.setAlignment(SWT.CENTER);
assertEquals(0, layout.getOffset(1 + 50, 0, null));
assertEquals(text.length() - 1, layout.getOffset(width - 1 + 50, 0, null));
layout.setAlignment(SWT.RIGHT);
assertEquals(0, layout.getOffset(1 + 100, 0, null));
assertEquals(text.length() - 1, layout.getOffset(width - 1 + 100, 0, null));
layout.dispose();
}
@Test
public void test_getSegments() {
TextLayout layout = new TextLayout(display);
layout.setText("AB");
String[] messages = {
"no segments",
"segments",
"segments (duplicate at 0)",
"segments (duplicate at 1)",
"segments (duplicate at 2)"
};
int[][] segments = {null, {0, 1, 2}, {0, 0, 1, 2}, {0, 1, 1, 2}, {0, 1, 2, 2}};
for (int i = 0; i < segments.length; i++) {
String m = messages[i];
layout.setSegments(segments[i]);
assertEquals(m, 1, layout.getNextOffset(0, SWT.MOVEMENT_CLUSTER));
assertEquals(m, 2, layout.getNextOffset(1, SWT.MOVEMENT_CLUSTER));
assertEquals(m, 2, layout.getNextOffset(2, SWT.MOVEMENT_CLUSTER));
assertEquals(m, 1, layout.getPreviousOffset(2, SWT.MOVEMENT_CLUSTER));
assertEquals(m, 0, layout.getPreviousOffset(1, SWT.MOVEMENT_CLUSTER));
assertEquals(m, 0, layout.getPreviousOffset(0, SWT.MOVEMENT_CLUSTER));
}
// Bug 295513
layout.setText("Line");
layout.setAscent(20);
layout.setDescent(6);
layout.setSegments(new int[] {0, layout.getText().length()});
layout.getBounds();
layout.dispose();
layout = new TextLayout(display);
// Bug 241482 comment 74
layout.setText("word word word");
layout.setSegments(new int[] {0, 5, 10});
int offset = 0;
offset = layout.getNextOffset(offset, SWT.MOVEMENT_WORD_START);
assertEquals(5, offset);
offset = layout.getNextOffset(offset, SWT.MOVEMENT_WORD_START);
assertEquals(10, offset);
offset = layout.getNextOffset(offset, SWT.MOVEMENT_WORD_START);
assertEquals(14, offset);
layout.setWidth(layout.getBounds().width / 2);
layout.setAscent(20);
layout.setDescent(6);
offset = 0;
offset = layout.getNextOffset(offset, SWT.MOVEMENT_WORD_START);
assertEquals(5, offset);
offset = layout.getNextOffset(offset, SWT.MOVEMENT_WORD_START);
assertEquals(10, offset);
offset = layout.getNextOffset(offset, SWT.MOVEMENT_WORD_START);
assertEquals(14, offset);
layout.dispose();
layout = new TextLayout(display);
// Bug 241482 comment 64
layout.setText("\nAB");
layout.setSegments(new int[] {0, 1, 3});
int[] expected = new int[] {0, 1, 3};
int[] offsets = layout.getLineOffsets();
for (int i = 0; i < offsets.length; i++) {
assertEquals(" i = " + i, expected[i], offsets[i]);
}
layout.dispose();
layout = new TextLayout(display);
// Bug 241482 comment 80
layout.setText("MNMNMN");
layout.setSegments(new int[] {0, 1, 6});
layout.getBounds();
assertEquals(
layout.getText().length() - 1, layout.getOffset(layout.getBounds().width, 0, null));
layout.setAscent(9);
assertEquals(
layout.getText().length() - 1, layout.getOffset(layout.getBounds().width, 0, null));
layout.dispose();
layout = new TextLayout(display);
// Bug 486600 comment 2
layout.setText("Abcdef\nGhij\nKl");
Rectangle bounds1 = layout.getBounds(0, 6 - 1);
int[] trailing = new int[1];
offset = layout.getOffset(bounds1.width, bounds1.height + 2, trailing);
assertEquals(10, offset);
assertEquals(1, trailing[0]);
layout.dispose();
layout = new TextLayout(display);
layout.setText("AbcdefGhijKl");
layout.setSegments(new int[] {6, 10});
layout.setSegmentsChars(new char[] {'\n', '\n'});
bounds1 = layout.getBounds(0, 6 - 1);
trailing = new int[1];
offset = layout.getOffset(bounds1.width, bounds1.height + 2, trailing);
assertEquals(9, offset);
assertEquals(1, trailing[0]);
layout.dispose();
layout = new TextLayout(display);
// Lina's bug (bug 241482, comment 37)
boolean doit = false; // known to be broken
if (doit) {
int length = layout.getText().length();
layout.setSegments(new int[] {length});
trailing = new int[1];
int width = layout.getBounds().width + 20;
assertEquals("hit test to the left", 0, layout.getOffset(0, 0, trailing));
assertEquals("hit test to the left (trailing)", 0, trailing[0]);
assertEquals("hit test to the right", length - 1, layout.getOffset(width, 0, trailing));
assertEquals("hit test to the right (trailing)", 1, trailing[0]);
layout.setSegmentsChars(new char[] {'*'});
assertEquals("hit test to the left", 0, layout.getOffset(0, 0, trailing));
assertEquals("hit test to the left (trailing)", 0, trailing[0]);
assertEquals("hit test to the right", length - 1, layout.getOffset(width, 0, trailing));
assertEquals("hit test to the right (trailing)", 1, trailing[0]);
}
/* wrong: internal testing */
// String text = "AB";
// int textLength = text.length();
// layout.setText(text);
// messages = new String [] {
// "no segments",
// "segments",
// "segments (duplicate at 0)",
// "segments (duplicate at 1)",
// "segments (duplicate at 2)" };
// segments = new int [][] {
// null,
// { 0, 1, 2 },
// { 0, 0, 1, 2 },
// { 0, 1, 1, 2 },
// { 0, 1, 2, 2 } };
// int[][] translatedOffsets = {
// { 0, 1, 2 },
// { 1, 3, 5 },
// { 2, 4, 6 },
// { 1, 4, 6 },
// { 1, 3, 6 } };
// int[][] untranslatedOffsets = {
// { 0, 1, 2 },
// { 0, 0, 1, 1, 2, 2 },
// { 0, 0, 0, 1, 1, 2, 2 },
// { 0, 0, 1, 1, 1, 2, 2 },
// { 0, 0, 1, 1, 2, 2, 2 } };
// for (int i = 0; i < segments.length; i++) {
// layout.setSegments(segments[i]);
// layout.getBounds();
// for (int j = 0; j <= textLength; j++) {
// assertEquals(messages[i] + " j = " + j, translatedOffsets[i][j],
// layout.translateOffset(j));
// }
// for (int j = 0, n = layout.getSegments() == null ? 0 : textLength +
// layout.getSegments().length; j < n; j++) {
// assertEquals(messages[i] + " j = " + j, untranslatedOffsets[i][j],
// layout.untranslateOffset(j));
// }
// }
layout.dispose();
}
