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