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SWT is an open source widget toolkit for Java designed to provide efficient, portable access to the user-interface facilities of the operating systems on which it is implemented.
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/*******************************************************************************
* Copyright (c) 2000, 2012 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.internal.theme;
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.internal.win32.*;
public class TabItemDrawData extends DrawData {
public TabFolderDrawData parent;
public int position;
static final int TABITEM_INSET = 2;
static final int TABITEM_INSET2 = 6;
public TabItemDrawData() {
state = new int[1];
}
Rectangle computeTrim(Theme theme, GC gc) {
if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
int /*long*/ hTheme = OS.OpenThemeData(0, getClassId());
int x = clientArea.x, y = clientArea.y, width = clientArea.width, height = clientArea.height;
if ((style & SWT.LEFT) != 0) {
x -= TABITEM_INSET;
width += TABITEM_INSET;
}
y -= TABITEM_INSET;
height += TABITEM_INSET;
RECT rect = new RECT ();
rect.left = x;
rect.right = x + width;
rect.top = y;
rect.bottom = y + height;
RECT extent = new RECT ();
int[] part = getPartId(DrawData.WIDGET_WHOLE);
OS.GetThemeBackgroundExtent(hTheme, gc.handle, part[0], part[1], rect, extent);
extent.left -= TABITEM_INSET2;
extent.top -= TABITEM_INSET2;
extent.right += TABITEM_INSET2;
OS.CloseThemeData(hTheme);
return new Rectangle(extent.left, extent.top, extent.right - extent.left, extent.bottom - extent.top);
}
return new Rectangle(0, 0, 0, 0);
}
void draw(Theme theme, GC gc, Rectangle bounds) {
if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
int state = this.state[DrawData.WIDGET_WHOLE];
int /*long*/ hTheme = OS.OpenThemeData(0, getClassId());
int x = bounds.x, y = bounds.y, width = bounds.width, height = bounds.height;
if ((position & SWT.LEFT) != 0) {
x += TABITEM_INSET;
width -= TABITEM_INSET;
}
y += TABITEM_INSET;
height -= TABITEM_INSET;
if ((state & DrawData.SELECTED) != 0) {
//TODO - draws outside of bounds
x -= TABITEM_INSET;
y -= TABITEM_INSET;
width += TABITEM_INSET * 2;
height += TABITEM_INSET * 2;
}
RECT rect = new RECT ();
rect.left = x;
rect.right = x + width;
rect.top = y;
rect.bottom = y + height;
int[] part = getPartId(DrawData.WIDGET_WHOLE);
OS.DrawThemeBackground (hTheme, gc.handle, part[0], part[1], rect, null);
OS.CloseThemeData(hTheme);
Rectangle clientArea = this.clientArea;
if (clientArea != null) {
RECT contentRect = new RECT();
OS.GetThemeBackgroundContentRect(hTheme, gc.handle, part[0], part[1], rect, contentRect);
clientArea.x = contentRect.left;
clientArea.y = contentRect.top;
clientArea.width = contentRect.right - contentRect.left;
clientArea.height = contentRect.bottom - contentRect.top;
}
}
}
char[] getClassId() {
return TAB;
}
int[] getPartId(int part) {
int state = this.state[part];
int iPartId = OS.TABP_TABITEM, iStateId = OS.TIS_NORMAL;
if ((style & SWT.LEFT) != 0 && (style & SWT.RIGHT) != 0) {
iPartId = OS.TABP_TABITEMLEFTEDGE;
} else if ((style & SWT.LEFT) != 0) {
iPartId = OS.TABP_TABITEMLEFTEDGE;
} else if ((style & SWT.RIGHT) != 0) {
}
if ((state & DrawData.HOT) != 0) iStateId = OS.TIS_HOT;
if ((state & DrawData.FOCUSED) != 0) iStateId = OS.TIS_FOCUSED;
if ((state & DrawData.SELECTED) != 0) iStateId = OS.TIS_SELECTED;
if ((state & DrawData.DISABLED) != 0) iStateId = OS.TIS_DISABLED;
return new int[]{iPartId, iStateId};
}
int hit(Theme theme, Point position, Rectangle bounds) {
if (!bounds.contains(position)) return DrawData.WIDGET_NOWHERE;
int style = this.style;
int x = bounds.x, y = bounds.y, width = bounds.width, height = bounds.height;
if ((style & SWT.LEFT) != 0) {
x += TABITEM_INSET;
width -= TABITEM_INSET;
}
y += TABITEM_INSET;
height -= TABITEM_INSET;
Rectangle content = new Rectangle(x, y, width, height);
if (!content.contains(position)) return DrawData.WIDGET_NOWHERE;
return DrawData.WIDGET_WHOLE;
}
}