| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef Window_DEFINED |
| #define Window_DEFINED |
| |
| #include "DisplayParams.h" |
| #include "SkRect.h" |
| #include "SkTouchGesture.h" |
| #include "SkTypes.h" |
| |
| class SkCanvas; |
| |
| namespace sk_app { |
| |
| class WindowContext; |
| |
| class Window { |
| public: |
| static Window* CreateNativeWindow(void* platformData); |
| |
| virtual ~Window() {}; |
| |
| virtual void setTitle(const char*) = 0; |
| virtual void show() = 0; |
| virtual void inval() = 0; |
| |
| virtual bool scaleContentToFit() const { return false; } |
| virtual bool supportsContentRect() const { return false; } |
| virtual SkRect getContentRect() { return SkRect::MakeEmpty(); } |
| |
| enum BackendType { |
| kNativeGL_BackendType, |
| kVulkan_BackendType, |
| |
| kLast_BackendType = kVulkan_BackendType |
| }; |
| enum { |
| kBackendTypeCount = kLast_BackendType + 1 |
| }; |
| |
| virtual bool attach(BackendType attachType, const DisplayParams& params) = 0; |
| void detach(); |
| |
| // input handling |
| enum class Key { |
| kNONE, //corresponds to android's UNKNOWN |
| |
| kLeftSoftKey, |
| kRightSoftKey, |
| |
| kHome, //!< the home key - added to match android |
| kBack, //!< (CLR) |
| kSend, //!< the green (talk) key |
| kEnd, //!< the red key |
| |
| k0, |
| k1, |
| k2, |
| k3, |
| k4, |
| k5, |
| k6, |
| k7, |
| k8, |
| k9, |
| kStar, //!< the * key |
| kHash, //!< the # key |
| |
| kUp, |
| kDown, |
| kLeft, |
| kRight, |
| |
| kOK, //!< the center key |
| |
| kVolUp, //!< volume up - match android |
| kVolDown, //!< volume down - same |
| kPower, //!< power button - same |
| kCamera, //!< camera - same |
| |
| kLast = kCamera |
| }; |
| static const int kKeyCount = static_cast<int>(Key::kLast) + 1; |
| |
| enum ModifierKeys { |
| kShift_ModifierKey = 1 << 0, |
| kControl_ModifierKey = 1 << 1, |
| kOption_ModifierKey = 1 << 2, // same as ALT |
| kCommand_ModifierKey = 1 << 3, |
| kFirstPress_ModifierKey = 1 << 4, |
| }; |
| |
| enum InputState { |
| kDown_InputState, |
| kUp_InputState, |
| kMove_InputState // only valid for mouse |
| }; |
| |
| // return value of 'true' means 'I have handled this event' |
| typedef bool(*OnCharFunc)(SkUnichar c, uint32_t modifiers, void* userData); |
| typedef bool(*OnKeyFunc)(Key key, InputState state, uint32_t modifiers, void* userData); |
| typedef bool(*OnMouseFunc)(int x, int y, InputState state, uint32_t modifiers, void* userData); |
| typedef bool(*OnTouchFunc)(int owner, InputState state, float x, float y, void* userData); |
| typedef void(*OnPaintFunc)(SkCanvas*, void* userData); |
| |
| void registerCharFunc(OnCharFunc func, void* userData) { |
| fCharFunc = func; |
| fCharUserData = userData; |
| } |
| |
| void registerKeyFunc(OnKeyFunc func, void* userData) { |
| fKeyFunc = func; |
| fKeyUserData = userData; |
| } |
| |
| void registerMouseFunc(OnMouseFunc func, void* userData) { |
| fMouseFunc = func; |
| fMouseUserData = userData; |
| } |
| |
| void registerPaintFunc(OnPaintFunc func, void* userData) { |
| fPaintFunc = func; |
| fPaintUserData = userData; |
| } |
| |
| void registerTouchFunc(OnTouchFunc func, void* userData) { |
| fTouchFunc = func; |
| fTouchUserData = userData; |
| } |
| |
| bool onChar(SkUnichar c, uint32_t modifiers); |
| bool onKey(Key key, InputState state, uint32_t modifiers); |
| bool onMouse(int x, int y, InputState state, uint32_t modifiers); |
| bool onTouch(int owner, InputState state, float x, float y); // multi-owner = multi-touch |
| void onPaint(); |
| void onResize(uint32_t width, uint32_t height); |
| |
| uint32_t width() { return fWidth; } |
| uint32_t height() { return fHeight; } |
| |
| virtual const DisplayParams& getDisplayParams(); |
| void setDisplayParams(const DisplayParams& params); |
| |
| protected: |
| Window(); |
| |
| uint32_t fWidth; |
| uint32_t fHeight; |
| |
| OnCharFunc fCharFunc; |
| void* fCharUserData; |
| OnKeyFunc fKeyFunc; |
| void* fKeyUserData; |
| OnMouseFunc fMouseFunc; |
| void* fMouseUserData; |
| OnTouchFunc fTouchFunc; |
| void* fTouchUserData; |
| OnPaintFunc fPaintFunc; |
| void* fPaintUserData; |
| |
| WindowContext* fWindowContext = nullptr; |
| }; |
| |
| } // namespace sk_app |
| #endif |