Commit | Line | Data |
---|---|---|
c392540b | 1 | /******************************************************************************* |
11252342 | 2 | * Copyright (c) 2011, 2013 Ericsson |
bfe038ff | 3 | * |
c392540b FC |
4 | * All rights reserved. This program and the accompanying materials are |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
bfe038ff | 8 | * |
c392540b FC |
9 | * Contributors: |
10 | * Francois Chouinard - Initial API and implementation | |
fbd124dd | 11 | * Bernd Hufmann - Changed to updated histogram data model |
65cdf787 | 12 | * Patrick Tasse - Update for mouse wheel zoom |
c392540b FC |
13 | *******************************************************************************/ |
14 | ||
e0752744 | 15 | package org.eclipse.linuxtools.tmf.ui.views.histogram; |
c392540b FC |
16 | |
17 | import org.eclipse.swt.SWT; | |
18 | import org.eclipse.swt.events.MouseEvent; | |
c392540b | 19 | import org.eclipse.swt.events.PaintEvent; |
c392540b FC |
20 | import org.eclipse.swt.graphics.GC; |
21 | import org.eclipse.swt.graphics.Image; | |
22 | import org.eclipse.swt.widgets.Composite; | |
c392540b FC |
23 | |
24 | /** | |
d26274e7 | 25 | * A histogram widget that displays the event distribution of a whole trace. |
c392540b FC |
26 | * <p> |
27 | * It also features a selected range window that can be dragged and zoomed. | |
f8177ba2 FC |
28 | * |
29 | * @version 1.1 | |
b544077e | 30 | * @author Francois Chouinard |
c392540b | 31 | */ |
f888477a | 32 | public class FullTraceHistogram extends Histogram { |
c392540b | 33 | |
c392540b FC |
34 | // ------------------------------------------------------------------------ |
35 | // Attributes | |
36 | // ------------------------------------------------------------------------ | |
37 | ||
38 | private final HistogramZoom fZoom; | |
39 | ||
f8177ba2 | 40 | private long fRangeStartTime = 0L; |
c392540b FC |
41 | private long fRangeDuration; |
42 | ||
43 | // ------------------------------------------------------------------------ | |
44 | // Construction | |
45 | // ------------------------------------------------------------------------ | |
46 | ||
b544077e | 47 | /** |
f8177ba2 FC |
48 | * Full Constructor |
49 | * | |
50 | * @param view A reference to the parent histogram view | |
b544077e BH |
51 | * @param parent A reference to the parent composite |
52 | */ | |
c392540b FC |
53 | public FullTraceHistogram(HistogramView view, Composite parent) { |
54 | super(view, parent); | |
65cdf787 | 55 | fZoom = new HistogramZoom(this, getStartTime(), getTimeLimit()); |
c392540b FC |
56 | } |
57 | ||
58 | @Override | |
59 | public void dispose() { | |
c392540b FC |
60 | super.dispose(); |
61 | } | |
62 | ||
63 | // ------------------------------------------------------------------------ | |
64 | // Operations | |
65 | // ------------------------------------------------------------------------ | |
66 | ||
1be49d83 PT |
67 | @Override |
68 | public void clear() { | |
69 | fRangeStartTime = 0L; | |
70 | fRangeDuration = 0L; | |
71 | if (fZoom != null) { | |
72 | fZoom.setFullRange(0L, 0L); | |
73 | fZoom.setNewRange(0L, 0L); | |
1be49d83 PT |
74 | } |
75 | super.clear(); | |
76 | } | |
77 | ||
b544077e | 78 | /** |
f8177ba2 FC |
79 | * Sets the time range of the full histogram. |
80 | * | |
b544077e BH |
81 | * @param startTime A start time |
82 | * @param endTime A end time | |
83 | */ | |
6a13fa07 FC |
84 | public void setFullRange(long startTime, long endTime) { |
85 | fZoom.setFullRange(startTime, endTime); | |
80c930fa | 86 | fZoom.setNewRange(fRangeStartTime, fRangeDuration); |
6a13fa07 FC |
87 | } |
88 | ||
b544077e BH |
89 | /** |
90 | * Sets the selected time range. | |
f8177ba2 FC |
91 | * |
92 | * @param startTime The histogram start time | |
93 | * @param duration The histogram duration | |
b544077e | 94 | */ |
c392540b FC |
95 | public void setTimeRange(long startTime, long duration) { |
96 | fRangeStartTime = startTime; | |
97 | fRangeDuration = duration; | |
c392540b | 98 | fZoom.setNewRange(fRangeStartTime, fRangeDuration); |
fbd124dd | 99 | fDataModel.complete(); |
c392540b FC |
100 | } |
101 | ||
c392540b FC |
102 | // ------------------------------------------------------------------------ |
103 | // MouseListener | |
104 | // ------------------------------------------------------------------------ | |
105 | ||
80c930fa | 106 | private int fStartDelta; |
f888477a | 107 | private boolean fMouseMoved; |
c392540b FC |
108 | |
109 | @Override | |
110 | public void mouseDown(MouseEvent event) { | |
31d6440d | 111 | if (fScaledData != null && fDragState == DRAG_NONE && fDataModel.getStartTime() < fDataModel.getEndTime()) { |
79d60771 PT |
112 | if (event.button == 2 || (event.button == 1 && (event.stateMask & SWT.MODIFIER_MASK) == SWT.CTRL)) { |
113 | fDragState = DRAG_RANGE; | |
114 | fDragButton = event.button; | |
80c930fa PT |
115 | int center = (int) (((fRangeStartTime + fRangeDuration / 2) - fScaledData.fFirstBucketTime) / fScaledData.fBucketDuration); |
116 | fStartDelta = center - event.x; | |
79d60771 PT |
117 | fMouseMoved = false; |
118 | return; | |
119 | } else if (event.button == 3) { | |
120 | fDragState = DRAG_ZOOM; | |
121 | fDragButton = event.button; | |
122 | long time = Math.min(getTimestamp(event.x), getEndTime()); | |
123 | if ((event.stateMask & SWT.MODIFIER_MASK) == SWT.SHIFT) { | |
124 | if (time < fRangeStartTime + fRangeDuration / 2) { | |
125 | fRangeStartTime = fRangeStartTime + fRangeDuration; | |
126 | } | |
127 | } else { | |
128 | fRangeStartTime = time; | |
129 | } | |
130 | fRangeDuration = time - fRangeStartTime; | |
131 | fCanvas.redraw(); | |
132 | return; | |
133 | } | |
f888477a PT |
134 | } |
135 | super.mouseDown(event); | |
c392540b | 136 | } |
f8177ba2 | 137 | |
c392540b FC |
138 | @Override |
139 | public void mouseUp(MouseEvent event) { | |
f888477a PT |
140 | if (fDragState == DRAG_RANGE && event.button == fDragButton) { |
141 | fDragState = DRAG_NONE; | |
142 | fDragButton = 0; | |
143 | if (!fMouseMoved) { | |
144 | // if single click without move, center on the click | |
145 | long startTime = getTimestamp(event.x) - fRangeDuration / 2; | |
146 | fRangeStartTime = Math.max(getStartTime(), Math.min(getEndTime() - fRangeDuration, startTime)); | |
1c467552 | 147 | } |
13ccc36b | 148 | ((HistogramView) fParentView).updateTimeRange(fRangeStartTime, fRangeStartTime + fRangeDuration); |
f888477a | 149 | return; |
79d60771 PT |
150 | } else if (fDragState == DRAG_ZOOM && event.button == fDragButton) { |
151 | fDragState = DRAG_NONE; | |
152 | fDragButton = 0; | |
153 | if (fRangeDuration < 0) { | |
154 | fRangeStartTime = fRangeStartTime + fRangeDuration; | |
155 | fRangeDuration = -fRangeDuration; | |
156 | } | |
157 | if (fRangeDuration > 0) { | |
158 | ((HistogramView) fParentView).updateTimeRange(fRangeStartTime, fRangeStartTime + fRangeDuration); | |
159 | } else { | |
160 | fRangeStartTime = fZoom.getStartTime(); | |
161 | fRangeDuration = fZoom.getDuration(); | |
162 | fCanvas.redraw(); | |
163 | } | |
164 | return; | |
c392540b | 165 | } |
f888477a | 166 | super.mouseUp(event); |
c392540b | 167 | } |
f8177ba2 | 168 | |
c392540b FC |
169 | // ------------------------------------------------------------------------ |
170 | // MouseMoveListener | |
171 | // ------------------------------------------------------------------------ | |
172 | ||
173 | @Override | |
174 | public void mouseMove(MouseEvent event) { | |
f888477a | 175 | if (fDragState == DRAG_RANGE) { |
80c930fa PT |
176 | int center = event.x + fStartDelta; |
177 | long newStart = getTimestamp(center) - fRangeDuration / 2; | |
178 | fRangeStartTime = Math.max(getStartTime(), Math.min(getEndTime() - fRangeDuration, newStart)); | |
f888477a PT |
179 | fCanvas.redraw(); |
180 | fMouseMoved = true; | |
181 | return; | |
79d60771 PT |
182 | } else if (fDragState == DRAG_ZOOM) { |
183 | long endTime = Math.max(getStartTime(), Math.min(getEndTime(), getTimestamp(event.x))); | |
184 | fRangeDuration = endTime - fRangeStartTime; | |
185 | fCanvas.redraw(); | |
186 | return; | |
c392540b | 187 | } |
f888477a | 188 | super.mouseMove(event); |
c392540b FC |
189 | } |
190 | ||
191 | // ------------------------------------------------------------------------ | |
192 | // PaintListener | |
193 | // ------------------------------------------------------------------------ | |
194 | ||
195 | @Override | |
196 | public void paintControl(PaintEvent event) { | |
197 | super.paintControl(event); | |
198 | ||
199 | Image image = (Image) fCanvas.getData(IMAGE_KEY); | |
200 | assert image != null; | |
201 | ||
202 | Image rangeRectangleImage = new Image(image.getDevice(), image, SWT.IMAGE_COPY); | |
203 | GC rangeWindowGC = new GC(rangeRectangleImage); | |
204 | ||
79d60771 PT |
205 | if ((fScaledData != null) && (fRangeDuration != 0 || fDragState == DRAG_ZOOM)) { |
206 | drawTimeRangeWindow(rangeWindowGC, fRangeStartTime, fRangeDuration); | |
c392540b FC |
207 | } |
208 | ||
209 | // Draws the buffer image onto the canvas. | |
210 | event.gc.drawImage(rangeRectangleImage, 0, 0); | |
211 | ||
212 | rangeWindowGC.dispose(); | |
213 | rangeRectangleImage.dispose(); | |
214 | } | |
215 | ||
65cdf787 PT |
216 | /** |
217 | * Get the histogram zoom | |
218 | * @return the histogram zoom | |
219 | * @since 2.0 | |
220 | */ | |
221 | public HistogramZoom getZoom() { | |
222 | return fZoom; | |
223 | } | |
c392540b | 224 | } |