SkWindow.h revision e24ad23ae67ffcb0dc545b7e426cf08d102e0868 
1/*
2 * Copyright 2006 The Android Open Source Project
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SkWindow_DEFINED
9#define SkWindow_DEFINED
10
11#include "SkView.h"
12#include "SkBitmap.h"
13#include "SkMatrix.h"
14#include "SkRegion.h"
15#include "SkEvent.h"
16#include "SkKey.h"
17#include "SkTDArray.h"
18
19#ifdef SK_BUILD_FOR_WINCEx
20    #define SHOW_FPS
21#endif
22//#define USE_GX_SCREEN
23
24class SkCanvas;
25
26class SkOSMenu;
27
28class SkWindow : public SkView {
29public:
30            SkWindow();
31    virtual ~SkWindow();
32
33    const SkBitmap& getBitmap() const { return fBitmap; }
34
35    void    setColorType(SkColorType);
36    void    resize(int width, int height, SkColorType = kUnknown_SkColorType);
37
38    bool    isDirty() const { return !fDirtyRgn.isEmpty(); }
39    bool    update(SkIRect* updateArea);
40    // does not call through to onHandleInval(), but does force the fDirtyRgn
41    // to be wide open. Call before update() to ensure we redraw everything.
42    void    forceInvalAll();
43    // return the bounds of the dirty/inval rgn, or [0,0,0,0] if none
44    const SkIRect& getDirtyBounds() const { return fDirtyRgn.getBounds(); }
45
46    bool    handleClick(int x, int y, Click::State, void* owner, unsigned modi = 0);
47    bool    handleChar(SkUnichar);
48    bool    handleKey(SkKey);
49    bool    handleKeyUp(SkKey);
50
51    void    addMenu(SkOSMenu*);
52    const SkTDArray<SkOSMenu*>* getMenus() { return &fMenus; }
53
54    const char* getTitle() const { return fTitle.c_str(); }
55    void    setTitle(const char title[]);
56
57    const SkMatrix& getMatrix() const { return fMatrix; }
58    void    setMatrix(const SkMatrix&);
59    void    preConcat(const SkMatrix&);
60    void    postConcat(const SkMatrix&);
61
62    virtual SkCanvas* createCanvas();
63
64    virtual void onPDFSaved(const char title[], const char desc[],
65        const char path[]) {}
66protected:
67    virtual bool onEvent(const SkEvent&);
68    virtual bool onDispatchClick(int x, int y, Click::State, void* owner, unsigned modi);
69    // called if part of our bitmap is invalidated
70    virtual void onHandleInval(const SkIRect&);
71    virtual bool onHandleChar(SkUnichar);
72    virtual bool onHandleKey(SkKey);
73    virtual bool onHandleKeyUp(SkKey);
74    virtual void onAddMenu(const SkOSMenu*) {};
75    virtual void onUpdateMenu(const SkOSMenu*) {};
76    virtual void onSetTitle(const char title[]) {}
77
78    // overrides from SkView
79    virtual bool handleInval(const SkRect*);
80    virtual bool onGetFocusView(SkView** focus) const;
81    virtual bool onSetFocusView(SkView* focus);
82
83private:
84    SkColorType fColorType;
85    SkBitmap    fBitmap;
86    SkRegion    fDirtyRgn;
87
88    SkTDArray<Click*>       fClicks; // to track clicks
89
90    SkTDArray<SkOSMenu*>    fMenus;
91
92    SkView* fFocusView;
93    bool    fWaitingOnInval;
94
95    SkString    fTitle;
96    SkMatrix    fMatrix;
97
98    typedef SkView INHERITED;
99};
100
101////////////////////////////////////////////////////////////////////////////////
102
103#if defined(SK_BUILD_FOR_NACL)
104    #include "SkOSWindow_NaCl.h"
105#elif defined(SK_BUILD_FOR_MAC)
106    #include "SkOSWindow_Mac.h"
107#elif defined(SK_BUILD_FOR_WIN)
108    #include "SkOSWindow_Win.h"
109#elif defined(SK_BUILD_FOR_ANDROID)
110    #include "SkOSWindow_Android.h"
111#elif defined(SK_BUILD_FOR_UNIX)
112  #include "SkOSWindow_Unix.h"
113#elif defined(SK_BUILD_FOR_SDL)
114    #include "SkOSWindow_SDL.h"
115#elif defined(SK_BUILD_FOR_IOS)
116    #include "SkOSWindow_iOS.h"
117#endif
118
119#endif
120