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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "OverView.h" | 8 #include "OverView.h" |
9 | 9 |
10 #include "SampleCode.h" | 10 #include "SampleCode.h" |
11 | 11 |
12 #include "SkCanvas.h" | 12 #include "SkCanvas.h" |
13 #include "SkView.h" | 13 #include "SkView.h" |
14 | 14 |
15 static const int N = 8; | 15 static const int N = 8; |
16 static const SkScalar kWidth = SkIntToScalar(640); | 16 static const SkScalar kWidth = SkIntToScalar(640); |
17 static const SkScalar kHeight = SkIntToScalar(480); | 17 static const SkScalar kHeight = SkIntToScalar(480); |
18 static const char gIsOverview[] = "is-overview"; | 18 static const char gIsOverview[] = "is-overview"; |
19 | 19 |
20 class OverView : public SkView { | 20 class OverView : public SkView { |
21 public: | 21 public: |
22 OverView(int count, const SkViewFactory* factories[]); | 22 OverView(int count, const SkViewFactory* factories[]); |
23 virtual ~OverView(); | 23 virtual ~OverView(); |
24 | 24 |
25 protected: | 25 protected: |
26 // Overridden from SkEventSink: | 26 // Overridden from SkEventSink: |
27 virtual bool onEvent(const SkEvent&) SK_OVERRIDE; | 27 bool onEvent(const SkEvent&) SK_OVERRIDE; |
28 virtual bool onQuery(SkEvent* evt) SK_OVERRIDE { | 28 bool onQuery(SkEvent* evt) SK_OVERRIDE { |
29 if (SampleCode::TitleQ(*evt)) { | 29 if (SampleCode::TitleQ(*evt)) { |
30 SampleCode::TitleR(evt, "Overview"); | 30 SampleCode::TitleR(evt, "Overview"); |
31 return true; | 31 return true; |
32 } | 32 } |
33 if (evt->isType(gIsOverview)) { | 33 if (evt->isType(gIsOverview)) { |
34 return true; | 34 return true; |
35 } | 35 } |
36 return this->INHERITED::onQuery(evt); | 36 return this->INHERITED::onQuery(evt); |
37 } | 37 } |
38 | 38 |
39 | 39 |
40 // Overridden from SkView: | 40 // Overridden from SkView: |
41 virtual void onSizeChange() SK_OVERRIDE; | 41 void onSizeChange() SK_OVERRIDE; |
42 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { | 42 void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
43 canvas->drawColor(SK_ColorLTGRAY); | 43 canvas->drawColor(SK_ColorLTGRAY); |
44 } | 44 } |
45 | 45 |
46 virtual SkCanvas* beforeChildren(SkCanvas*) SK_OVERRIDE; | 46 SkCanvas* beforeChildren(SkCanvas*) SK_OVERRIDE; |
47 | 47 |
48 virtual bool onSendClickToChildren(SkScalar x, SkScalar y, unsigned modi) SK
_OVERRIDE { | 48 bool onSendClickToChildren(SkScalar x, SkScalar y, unsigned modi) SK_OVERRID
E { |
49 return false; | 49 return false; |
50 } | 50 } |
51 | 51 |
52 virtual Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) SK_
OVERRIDE { | 52 Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) SK_OVERRIDE
{ |
53 int ix = (int)(SkScalarDiv(x * N, kWidth)); | 53 int ix = (int)(SkScalarDiv(x * N, kWidth)); |
54 int iy = (int)(SkScalarDiv(y * N, kHeight)); | 54 int iy = (int)(SkScalarDiv(y * N, kHeight)); |
55 if (ix >= 0 && iy >= 0) { | 55 if (ix >= 0 && iy >= 0) { |
56 SkEvent evt("set-curr-index"); | 56 SkEvent evt("set-curr-index"); |
57 evt.setFast32(iy * N + ix); | 57 evt.setFast32(iy * N + ix); |
58 this->sendEventToParents(evt); | 58 this->sendEventToParents(evt); |
59 } | 59 } |
60 return NULL; | 60 return NULL; |
61 } | 61 } |
62 | 62 |
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104 locY += kHeight; | 104 locY += kHeight; |
105 locX = 0; | 105 locX = 0; |
106 } | 106 } |
107 } | 107 } |
108 } | 108 } |
109 | 109 |
110 SkCanvas* OverView::beforeChildren(SkCanvas* canvas) { | 110 SkCanvas* OverView::beforeChildren(SkCanvas* canvas) { |
111 canvas->scale(SK_Scalar1 / N, SK_Scalar1 / N); | 111 canvas->scale(SK_Scalar1 / N, SK_Scalar1 / N); |
112 return canvas; | 112 return canvas; |
113 } | 113 } |
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