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/*******************************************************************************
* Copyright (c) 2000, 2007 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 ScaleDrawData extends RangeDrawData {
public int increment;
public int pageIncrement;
static final int TICS_MARGIN = 10;
public ScaleDrawData() {
state = new int[4];
}
void draw(Theme theme, GC gc, Rectangle bounds) {
if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
// TODO - drawScale not done
int style = this.style;
int minimum = this.minimum;
int maximum = this.maximum;
int selection = this.selection;
int pageIncrement = this.pageIncrement;
int /*long*/ hTheme = OS.OpenThemeData(0, getClassId());
RECT rect = new RECT ();
rect.left = bounds.x;
rect.right = rect.left + bounds.width;
rect.top = bounds.y;
rect.bottom = rect.top + bounds.height;
SIZE size = new SIZE();
if ((style & SWT.VERTICAL) != 0) {
OS.GetThemePartSize(hTheme, gc.handle, OS.TKP_TRACKVERT, 0, null, OS.TS_TRUE, size);
int trackWidth = size.cx - 1;
OS.GetThemePartSize(hTheme, gc.handle, OS.TKP_THUMBVERT, 0, null, OS.TS_TRUE, size);
int thumbWidth = size.cx, thumbHeight = size.cy;
OS.GetThemePartSize(hTheme, gc.handle, OS.TKP_TICS, 0, rect, OS.TS_TRUE, size);
int ticWidth = size.cx;
int marginX = (thumbWidth - trackWidth) / 2;
int marginY = marginX;
marginX += TICS_MARGIN;
rect.left += marginX;
rect.top += marginY;
rect.right = rect.left + trackWidth;
rect.bottom -= marginY;
int trackHeight = rect.bottom - rect.top;
OS.DrawThemeBackground(hTheme, gc.handle, OS.TKP_TRACKVERT, 0, rect, null);
rect.top += ((trackHeight - thumbHeight) * (selection - minimum)) / Math.max(1, maximum - minimum);
rect.left -= (thumbWidth - trackWidth) / 2;
rect.right = rect.left + thumbWidth;
rect.bottom = rect.top + thumbHeight;
OS.DrawThemeBackground(hTheme, gc.handle, OS.TKP_THUMBVERT, 0, rect, null);
rect.top = bounds.y + marginY + thumbHeight / 2;
rect.bottom = rect.top + 1;
for (int sel = minimum; sel <= maximum; sel += pageIncrement) {
rect.left = bounds.x + TICS_MARGIN / 2;
rect.right = rect.left + ticWidth;
if (sel != minimum && sel != maximum) rect.left++;
rect.top = bounds.y + marginY + thumbHeight / 2;
rect.top += ((trackHeight - thumbHeight) * (sel - minimum)) / Math.max(1, maximum - minimum);
rect.bottom = rect.top + 1;
//TODO - why tics are ot drawn
OS.DrawThemeBackground(hTheme, gc.handle, OS.TKP_TICSVERT, 1, rect, null);
gc.drawLine(rect.left, rect.top, rect.right, rect.top);
rect.left = bounds.x + TICS_MARGIN + thumbWidth + 1;
rect.right = rect.left + ticWidth;
if (sel != minimum && sel != maximum) rect.right--;
//TODO - why tics are ot drawn
OS.DrawThemeBackground(hTheme, gc.handle, OS.TKP_TICSVERT, 1, rect, null);
gc.drawLine(rect.left, rect.top, rect.right, rect.top);
}
} else {
}
OS.CloseThemeData (hTheme);
}
}
char[] getClassId() {
return TRACKBAR;
}
int hit(Theme theme, Point position, Rectangle bounds) {
return bounds.contains(position) ? DrawData.WIDGET_WHOLE : DrawData.WIDGET_NOWHERE;
}
}
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