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// Copyright 2014 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 FPDFSDK_PWL_CPWL_EDIT_H_
#define FPDFSDK_PWL_CPWL_EDIT_H_
#include <utility>
#include "core/fpdfdoc/cpvt_wordrange.h"
#include "core/fxcrt/unowned_ptr.h"
#include "fpdfsdk/pwl/cpwl_edit_ctrl.h"
#define PWL_CLASSNAME_EDIT "CPWL_Edit"
class IPWL_Filler_Notify {
public:
virtual ~IPWL_Filler_Notify() {}
// Must write to |bBottom| and |fPopupRet|.
virtual void QueryWherePopup(CPWL_Wnd::PrivateData* pAttached,
float fPopupMin,
float fPopupMax,
bool* bBottom,
float* fPopupRet) = 0;
virtual std::pair<bool, bool> OnBeforeKeyStroke(
CPWL_Wnd::PrivateData* pAttached,
WideString& strChange,
const WideString& strChangeEx,
int nSelStart,
int nSelEnd,
bool bKeyDown,
uint32_t nFlag) = 0;
#ifdef PDF_ENABLE_XFA
virtual bool OnPopupPreOpen(CPWL_Wnd::PrivateData* pAttached,
uint32_t nFlag) = 0;
virtual bool OnPopupPostOpen(CPWL_Wnd::PrivateData* pAttached,
uint32_t nFlag) = 0;
#endif // PDF_ENABLE_XFA
};
class CPWL_Edit : public CPWL_EditCtrl {
public:
CPWL_Edit();
~CPWL_Edit() override;
// CPWL_EditCtrl
ByteString GetClassName() const override;
void OnCreated() override;
bool RePosChildWnd() override;
CFX_FloatRect GetClientRect() const override;
void DrawThisAppearance(CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device) override;
bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) override;
bool OnLButtonDblClk(const CFX_PointF& point, uint32_t nFlag) override;
bool OnRButtonUp(const CFX_PointF& point, uint32_t nFlag) override;
bool OnMouseWheel(short zDelta,
const CFX_PointF& point,
uint32_t nFlag) override;
bool OnKeyDown(uint16_t nChar, uint32_t nFlag) override;
bool OnChar(uint16_t nChar, uint32_t nFlag) override;
CFX_FloatRect GetFocusRect() const override;
void OnSetFocus() override;
void OnKillFocus() override;
void SetAlignFormatV(PWL_EDIT_ALIGNFORMAT_V nFormat = PEAV_TOP,
bool bPaint = true); // 0:top 1:bottom 2:center
void SetCharArray(int32_t nCharArray);
void SetLimitChar(int32_t nLimitChar);
void SetCharSpace(float fCharSpace);
bool CanSelectAll() const;
bool CanClear() const;
bool CanCopy() const;
bool CanCut() const;
void CutText();
void SetText(const WideString& csText);
void ReplaceSel(const WideString& csText);
bool IsTextFull() const;
static float GetCharArrayAutoFontSize(CPDF_Font* pFont,
const CFX_FloatRect& rcPlate,
int32_t nCharArray);
void SetFillerNotify(IPWL_Filler_Notify* pNotify) {
m_pFillerNotify = pNotify;
}
void AttachFFLData(CFFL_FormFiller* pData) { m_pFormFiller = pData; }
void OnInsertWord(const CPVT_WordPlace& place,
const CPVT_WordPlace& oldplace);
void OnInsertReturn(const CPVT_WordPlace& place,
const CPVT_WordPlace& oldplace);
void OnBackSpace(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
void OnDelete(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
void OnClear(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
void OnInsertText(const CPVT_WordPlace& place,
const CPVT_WordPlace& oldplace);
private:
// In case of implementation swallow the OnKeyDown event. If the event is
// swallowed, implementation may do other unexpected things, which is not the
// control means to do.
static bool IsProceedtoOnChar(uint16_t nKeyCode, uint32_t nFlag);
CPVT_WordRange GetSelectWordRange() const;
bool IsVScrollBarVisible() const;
void SetParamByFlag();
float GetCharArrayAutoFontSize(int32_t nCharArray);
CFX_PointF GetWordRightBottomPoint(const CPVT_WordPlace& wpWord);
CPVT_WordRange CombineWordRange(const CPVT_WordRange& wr1,
const CPVT_WordRange& wr2);
CPVT_WordRange GetLatinWordsRange(const CFX_PointF& point) const;
CPVT_WordRange GetLatinWordsRange(const CPVT_WordPlace& place) const;
CPVT_WordRange GetArabicWordsRange(const CPVT_WordPlace& place) const;
CPVT_WordRange GetSameWordsRange(const CPVT_WordPlace& place,
bool bLatin,
bool bArabic) const;
bool m_bFocus;
CFX_FloatRect m_rcOldWindow;
UnownedPtr<IPWL_Filler_Notify> m_pFillerNotify;
UnownedPtr<CFFL_FormFiller> m_pFormFiller;
};
#endif // FPDFSDK_PWL_CPWL_EDIT_H_