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