// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FWL_CORE_CFWL_EVENT_H_
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#define XFA_FWL_CORE_CFWL_EVENT_H_
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#include "core/fxcrt/include/fx_coordinates.h"
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#include "core/fxcrt/include/fx_string.h"
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#include "core/fxcrt/include/fx_system.h"
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#include "xfa/fwl/core/cfwl_message.h"
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#include "xfa/fwl/core/fwl_error.h"
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enum class CFWL_EventType {
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None = 0,
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CheckStateChanged,
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CheckWord,
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Click,
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Close,
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CloseUp,
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ContextMenu,
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DataSelected,
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DateChanged,
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Draw,
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DrawItem,
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DropDown,
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EditChanged,
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GetSuggestedWords,
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HoverChanged,
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Idle,
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Key,
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KillFocus,
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MenuCommand,
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Mouse,
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MouseWheel,
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PostDropDown,
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PreDropDown,
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PreSelfAdaption,
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Scroll,
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SelectChanged,
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SetFocus,
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SizeChanged,
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TextChanged,
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TextFull,
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Validate
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};
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enum FWLEventMask {
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FWL_EVENT_MOUSE_MASK = 1 << 0,
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FWL_EVENT_MOUSEWHEEL_MASK = 1 << 1,
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FWL_EVENT_KEY_MASK = 1 << 2,
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FWL_EVENT_FOCUSCHANGED_MASK = 1 << 3,
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FWL_EVENT_DRAW_MASK = 1 << 4,
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FWL_EVENT_CLOSE_MASK = 1 << 5,
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FWL_EVENT_SIZECHANGED_MASK = 1 << 6,
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FWL_EVENT_IDLE_MASK = 1 << 7,
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FWL_EVENT_CONTROL_MASK = 1 << 8,
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FWL_EVENT_ALL_MASK = 0xFF
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};
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class CFX_Graphics;
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class IFWL_Widget;
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class CFWL_Event {
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public:
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CFWL_Event();
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virtual ~CFWL_Event();
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virtual FWL_Error GetClassName(CFX_WideString& wsClass) const;
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virtual CFWL_EventType GetClassID() const;
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uint32_t Release();
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IFWL_Widget* m_pSrcTarget;
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IFWL_Widget* m_pDstTarget;
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private:
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uint32_t m_dwRefCount;
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};
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inline CFWL_Event::CFWL_Event()
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: m_pSrcTarget(nullptr), m_pDstTarget(nullptr), m_dwRefCount(1) {}
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inline CFWL_Event::~CFWL_Event() {}
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inline FWL_Error CFWL_Event::GetClassName(CFX_WideString& wsClass) const {
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return FWL_Error::Succeeded;
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}
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inline CFWL_EventType CFWL_Event::GetClassID() const {
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return CFWL_EventType::None;
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}
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inline uint32_t CFWL_Event::Release() {
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m_dwRefCount--;
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uint32_t dwRefCount = m_dwRefCount;
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if (!m_dwRefCount)
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delete this;
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return dwRefCount;
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}
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#define FWL_EVENT_DEF(classname, eventType, ...) \
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class classname : public CFWL_Event { \
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public: \
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classname(); \
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~classname() override; \
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FWL_Error GetClassName(CFX_WideString& wsClass) const override; \
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CFWL_EventType GetClassID() const override; \
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__VA_ARGS__ \
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}; \
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inline classname::classname() {} \
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inline classname::~classname() {} \
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inline FWL_Error classname::GetClassName(CFX_WideString& wsClass) const { \
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wsClass = L## #classname; \
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return FWL_Error::Succeeded; \
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} \
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inline CFWL_EventType classname::GetClassID() const { return eventType; }
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FWL_EVENT_DEF(CFWL_EvtMouse, CFWL_EventType::Mouse, FX_FLOAT m_fx;
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FX_FLOAT m_fy;
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uint32_t m_dwFlags;
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FWL_MouseCommand m_dwCmd;)
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FWL_EVENT_DEF(CFWL_EvtMouseWheel, CFWL_EventType::MouseWheel, FX_FLOAT m_fx;
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FX_FLOAT m_fy;
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FX_FLOAT m_fDeltaX;
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FX_FLOAT m_fDeltaY;
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uint32_t m_dwFlags;)
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FWL_EVENT_DEF(CFWL_EvtKey, CFWL_EventType::Key, uint32_t m_dwKeyCode;
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uint32_t m_dwFlags;
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FWL_KeyCommand m_dwCmd;)
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FWL_EVENT_DEF(CFWL_EvtSetFocus,
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CFWL_EventType::SetFocus,
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IFWL_Widget* m_pSetFocus;)
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FWL_EVENT_DEF(CFWL_EvtKillFocus,
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CFWL_EventType::KillFocus,
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IFWL_Widget* m_pKillFocus;)
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FWL_EVENT_DEF(CFWL_EvtDraw, CFWL_EventType::Draw, CFX_Graphics* m_pGraphics;
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IFWL_Widget * m_pWidget;)
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FWL_EVENT_DEF(CFWL_EvtClick, CFWL_EventType::Click)
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FWL_EVENT_DEF(CFWL_EvtScroll, CFWL_EventType::Scroll, uint32_t m_iScrollCode;
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FX_FLOAT m_fPos;
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FX_BOOL * m_pRet;)
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FWL_EVENT_DEF(CFWL_EvtClose, CFWL_EventType::Close)
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FWL_EVENT_DEF(CFWL_EvtContextMenu,
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CFWL_EventType::ContextMenu,
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FX_FLOAT m_fPosX;
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FX_FLOAT m_fPosY;
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IFWL_Widget * m_pOwner;)
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FWL_EVENT_DEF(CFWL_EvtMenuCommand,
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CFWL_EventType::MenuCommand,
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int32_t m_iCommand;
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void* m_pData;)
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FWL_EVENT_DEF(CFWL_EvtSizeChanged,
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CFWL_EventType::SizeChanged,
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IFWL_Widget* m_pWidget;
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CFX_RectF m_rtOld;
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CFX_RectF m_rtNew;)
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FWL_EVENT_DEF(CFWL_EvtIdle, CFWL_EventType::Idle)
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#endif // XFA_FWL_CORE_CFWL_EVENT_H_
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