| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.carbon.OS; |
| import org.eclipse.swt.internal.carbon.CGPoint; |
| import org.eclipse.swt.internal.carbon.CGRect; |
| import org.eclipse.swt.internal.carbon.HIThemeTrackDrawInfo; |
| import org.eclipse.swt.internal.carbon.ScrollBarTrackInfo; |
| import org.eclipse.swt.internal.carbon.HIScrollBarTrackInfo; |
| |
| public class ScrollBarDrawData extends RangeDrawData { |
| public int thumb; |
| public int increment; |
| public int pageIncrement; |
| |
| public ScrollBarDrawData() { |
| state = new int[6]; |
| } |
| |
| HIScrollBarTrackInfo getArrowsInfo() { |
| int upArrowState = this.state[DrawData.SCROLLBAR_UP_ARROW]; |
| int downArrowState = this.state[DrawData.SCROLLBAR_DOWN_ARROW]; |
| int upTrackState = this.state[DrawData.SCROLLBAR_UP_TRACK]; |
| int downTrackState = this.state[DrawData.SCROLLBAR_DOWN_TRACK]; |
| int thumbState = this.state[DrawData.SCROLLBAR_THUMB]; |
| int state = 0; |
| if ((upArrowState & DrawData.PRESSED) != 0) state |= OS.kThemeLeftOutsideArrowPressed; |
| if ((downArrowState & DrawData.PRESSED) != 0) state |= OS.kThemeRightOutsideArrowPressed; |
| if ((upTrackState & DrawData.PRESSED) != 0) state |= OS.kThemeLeftInsideArrowPressed; |
| if ((downTrackState & DrawData.PRESSED) != 0) state |= OS.kThemeRightInsideArrowPressed; |
| if ((thumbState & DrawData.PRESSED) != 0) state |= OS.kThemeThumbPressed; |
| int enableState = OS.kThemeTrackInactive; |
| if ((this.state[DrawData.WIDGET_WHOLE] & DrawData.ACTIVE) != 0) enableState = OS.kThemeTrackActive; |
| if ((this.state[DrawData.WIDGET_WHOLE] & DrawData.DISABLED) != 0) enableState = OS.kThemeTrackDisabled; |
| HIScrollBarTrackInfo scrollInfo = new HIScrollBarTrackInfo(); |
| scrollInfo.pressState = (byte)state; |
| scrollInfo.enableState = (byte)enableState; |
| scrollInfo.viewsize = thumb; |
| return scrollInfo; |
| } |
| |
| HIThemeTrackDrawInfo getInfo() { |
| int upArrowState = this.state[DrawData.SCROLLBAR_UP_ARROW]; |
| int downArrowState = this.state[DrawData.SCROLLBAR_DOWN_ARROW]; |
| int upTrackState = this.state[DrawData.SCROLLBAR_UP_TRACK]; |
| int downTrackState = this.state[DrawData.SCROLLBAR_DOWN_TRACK]; |
| int thumbState = this.state[DrawData.SCROLLBAR_THUMB]; |
| HIThemeTrackDrawInfo info = new HIThemeTrackDrawInfo(); |
| info.min = minimum; |
| info.max = Math.max(minimum, maximum - thumb); |
| info.value = selection; |
| info.kind = OS.kThemeScrollBarMedium; |
| info.attributes = OS.kThemeTrackShowThumb; |
| if ((style & SWT.HORIZONTAL) != 0) info.attributes |= OS.kThemeTrackHorizontal; |
| info.enableState = OS.kThemeTrackInactive; |
| if ((this.state[DrawData.WIDGET_WHOLE] & DrawData.ACTIVE) != 0) info.enableState = OS.kThemeTrackActive; |
| if ((this.state[DrawData.WIDGET_WHOLE] & DrawData.DISABLED) != 0) info.enableState = OS.kThemeTrackDisabled; |
| info.scrollbar = new ScrollBarTrackInfo(); |
| int state = 0; |
| if ((upArrowState & DrawData.PRESSED) != 0) state |= OS.kThemeLeftOutsideArrowPressed; |
| if ((downArrowState & DrawData.PRESSED) != 0) state |= OS.kThemeRightOutsideArrowPressed; |
| if ((upTrackState & DrawData.PRESSED) != 0) state |= OS.kThemeLeftInsideArrowPressed; |
| if ((downTrackState & DrawData.PRESSED) != 0) state |= OS.kThemeRightInsideArrowPressed; |
| if ((thumbState & DrawData.PRESSED) != 0) state |= OS.kThemeThumbPressed; |
| info.scrollbar.pressState = (byte)state; |
| info.scrollbar.viewsize = thumb; |
| return info; |
| } |
| |
| |
| Rectangle getBounds(int part, Rectangle bounds) { |
| HIThemeTrackDrawInfo info = getInfo(); |
| info.bounds_x = bounds.x; |
| info.bounds_y = bounds.y; |
| info.bounds_width = bounds.width; |
| info.bounds_height = bounds.height; |
| CGRect rect = new CGRect(); |
| short partCode = 0; |
| switch (part) { |
| case DrawData.SCROLLBAR_UP_ARROW: partCode = 20; break; |
| case DrawData.SCROLLBAR_DOWN_ARROW: partCode = 21; break; |
| case DrawData.SCROLLBAR_UP_TRACK: partCode = 22; break; |
| case DrawData.SCROLLBAR_THUMB: partCode = 129; break; |
| case DrawData.SCROLLBAR_DOWN_TRACK: partCode = 23; break; |
| } |
| OS.HIThemeGetTrackPartBounds(info, partCode, rect); |
| return new Rectangle((int)rect.x, (int)rect.y, (int)rect.width, (int)rect.height); |
| } |
| |
| int getSelection (Point position, Rectangle bounds) { |
| HIThemeTrackDrawInfo info = getInfo(); |
| info.bounds_x = bounds.x; |
| info.bounds_y = bounds.y; |
| info.bounds_width = bounds.width; |
| info.bounds_height = bounds.height; |
| CGPoint pt = new CGPoint(); |
| pt.x = position.x; |
| pt.y = position.y; |
| float[] relativePosition = new float[1]; |
| OS.HIThemeGetTrackThumbPositionFromOffset(info, pt, relativePosition); |
| int[] selection = new int[1]; |
| OS.HIThemeGetTrackLiveValue(info, relativePosition[0], selection); |
| return (int)selection[0]; |
| } |
| |
| void draw(Theme theme, GC gc, Rectangle bounds) { |
| HIThemeTrackDrawInfo info = getInfo(); |
| info.bounds_x = bounds.x; |
| info.bounds_y = bounds.y; |
| info.bounds_width = bounds.width; |
| info.bounds_height = bounds.height; |
| OS.HIThemeDrawTrack(info, null, gc.handle, OS.kHIThemeOrientationNormal); |
| } |
| |
| int hit(Theme theme, Point position, Rectangle bounds) { |
| CGPoint pt = new CGPoint(); |
| pt.x = position.x; |
| pt.y = position.y; |
| CGRect rect = new CGRect(); |
| rect.x = bounds.x; |
| rect.y = bounds.y; |
| rect.width = bounds.width; |
| rect.height = bounds.height; |
| short[] part = new short[1]; |
| HIScrollBarTrackInfo scrollInfo = getArrowsInfo(); |
| OS.HIThemeHitTestScrollBarArrows(rect, scrollInfo, (style & SWT.HORIZONTAL) != 0, pt, null, part); |
| switch (part[0]) { |
| case 20: return DrawData.SCROLLBAR_UP_ARROW; |
| case 21: return DrawData.SCROLLBAR_DOWN_ARROW; |
| } |
| HIThemeTrackDrawInfo info = getInfo(); |
| info.bounds_x = bounds.x; |
| info.bounds_y = bounds.y; |
| info.bounds_width = bounds.width; |
| info.bounds_height = bounds.height; |
| if (OS.HIThemeHitTestTrack(info, pt, part)) { |
| switch (part[0]) { |
| case 22: return DrawData.SCROLLBAR_UP_TRACK; |
| case 23: return DrawData.SCROLLBAR_DOWN_TRACK; |
| case 129: return DrawData.SCROLLBAR_THUMB; |
| } |
| } |
| return DrawData.WIDGET_NOWHERE; |
| } |
| |
| } |