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Diffstat (limited to 'xfa/fwl/core/ifwl_edit.h')
| -rw-r--r-- | xfa/fwl/core/ifwl_edit.h | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/xfa/fwl/core/ifwl_edit.h b/xfa/fwl/core/ifwl_edit.h new file mode 100644 index 0000000000..2d65897b8c --- /dev/null +++ b/xfa/fwl/core/ifwl_edit.h @@ -0,0 +1,284 @@ +// 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 XFA_FWL_CORE_IFWL_EDIT_H_ +#define XFA_FWL_CORE_IFWL_EDIT_H_ + +#include <deque> +#include <memory> +#include <vector> + +#include "xfa/fde/ifde_txtedtdorecord.h" +#include "xfa/fde/ifde_txtedtengine.h" +#include "xfa/fwl/core/cfwl_event.h" +#include "xfa/fwl/core/ifwl_dataprovider.h" +#include "xfa/fwl/core/ifwl_scrollbar.h" +#include "xfa/fwl/lightwidget/cfwl_widget.h" +#include "xfa/fxgraphics/cfx_path.h" + +#define FWL_CLASS_Edit L"FWL_EDIT" +#define FWL_STYLEEXT_EDT_ReadOnly (1L << 0) +#define FWL_STYLEEXT_EDT_MultiLine (1L << 1) +#define FWL_STYLEEXT_EDT_WantReturn (1L << 2) +#define FWL_STYLEEXT_EDT_NoHideSel (1L << 3) +#define FWL_STYLEEXT_EDT_AutoHScroll (1L << 4) +#define FWL_STYLEEXT_EDT_AutoVScroll (1L << 5) +#define FWL_STYLEEXT_EDT_NoRedoUndo (1L << 6) +#define FWL_STYLEEXT_EDT_Validate (1L << 7) +#define FWL_STYLEEXT_EDT_Password (1L << 8) +#define FWL_STYLEEXT_EDT_Number (1L << 9) +#define FWL_STYLEEXT_EDT_HSelfAdaption (1L << 10) +#define FWL_STYLEEXT_EDT_VSelfAdaption (1L << 11) +#define FWL_STYLEEXT_EDT_VerticalLayout (1L << 12) +#define FWL_STYLEEXT_EDT_VerticalChars (1L << 13) +#define FWL_STYLEEXT_EDT_ReverseLine (1L << 14) +#define FWL_STYLEEXT_EDT_ArabicShapes (1L << 15) +#define FWL_STYLEEXT_EDT_ExpandTab (1L << 16) +#define FWL_STYLEEXT_EDT_CombText (1L << 17) +#define FWL_STYLEEXT_EDT_HNear (0L << 18) +#define FWL_STYLEEXT_EDT_HCenter (1L << 18) +#define FWL_STYLEEXT_EDT_HFar (2L << 18) +#define FWL_STYLEEXT_EDT_VNear (0L << 20) +#define FWL_STYLEEXT_EDT_VCenter (1L << 20) +#define FWL_STYLEEXT_EDT_VFar (2L << 20) +#define FWL_STYLEEXT_EDT_Justified (1L << 22) +#define FWL_STYLEEXT_EDT_Distributed (2L << 22) +#define FWL_STYLEEXT_EDT_HAlignMask (3L << 18) +#define FWL_STYLEEXT_EDT_VAlignMask (3L << 20) +#define FWL_STYLEEXT_EDT_HAlignModeMask (3L << 22) +#define FWL_STYLEEXT_EDT_InnerCaret (1L << 24) +#define FWL_STYLEEXT_EDT_ShowScrollbarFocus (1L << 25) +#define FWL_STYLEEXT_EDT_OuterScrollbar (1L << 26) +#define FWL_STYLEEXT_EDT_LastLineHeight (1L << 27) + +enum FWL_EDT_TEXTCHANGED { + FWL_EDT_TEXTCHANGED_Insert = 0, + FWL_EDT_TEXTCHANGED_Delete, + FWL_EDT_TEXTCHANGED_Replace, +}; + +FWL_EVENT_DEF(CFWL_EvtEdtTextChanged, + CFWL_EventType::TextChanged, + int32_t nChangeType; + CFX_WideString wsInsert; + CFX_WideString wsDelete; + CFX_WideString wsPrevText;) + +FWL_EVENT_DEF(CFWL_EvtEdtTextFull, CFWL_EventType::TextFull) + +FWL_EVENT_DEF(CFWL_EvtEdtPreSelfAdaption, + CFWL_EventType::PreSelfAdaption, + FX_BOOL bHSelfAdaption; + FX_BOOL bVSelfAdaption; + CFX_RectF rtAfterChange;) + +FWL_EVENT_DEF(CFWL_EvtEdtValidate, + CFWL_EventType::Validate, + IFWL_Widget* pDstWidget; + CFX_WideString wsInsert; + FX_BOOL bValidate;) + +FWL_EVENT_DEF(CFWL_EvtEdtCheckWord, + CFWL_EventType::CheckWord, + CFX_ByteString bsWord; + FX_BOOL bCheckWord;) + +FWL_EVENT_DEF(CFWL_EvtEdtGetSuggestWords, + CFWL_EventType::GetSuggestedWords, + FX_BOOL bSuggestWords; + CFX_ByteString bsWord; + std::vector<CFX_ByteString> bsArraySuggestWords;) + +class CFWL_WidgetImpProperties; +class IFDE_TxtEdtDoRecord; +class IFWL_Edit; +class CFWL_EditImpDelegate; +class CFWL_MsgActivate; +class CFWL_MsgDeactivate; +class CFWL_MsgMouse; +class CFWL_WidgetImpDelegate; +class CFWL_WidgetImpProperties; +class IFWL_Caret; + +class IFWL_EditDP : public IFWL_DataProvider {}; + +class IFWL_Edit : public IFWL_Widget { + public: + static IFWL_Edit* Create(const CFWL_WidgetImpProperties& properties, + IFWL_Widget* pOuter); + + IFWL_Edit(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter); + ~IFWL_Edit() override; + + // IFWL_Widget: + FWL_Error GetClassName(CFX_WideString& wsClass) const override; + FWL_Type GetClassID() const override; + FWL_Error Initialize() override; + FWL_Error Finalize() override; + FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override; + FWL_Error SetWidgetRect(const CFX_RectF& rect) override; + FWL_Error Update() override; + FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override; + void SetStates(uint32_t dwStates, FX_BOOL bSet = TRUE) override; + FWL_Error DrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix = nullptr) override; + FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override; + + virtual FWL_Error SetText(const CFX_WideString& wsText); + virtual int32_t GetTextLength() const; + virtual FWL_Error GetText(CFX_WideString& wsText, + int32_t nStart = 0, + int32_t nCount = -1) const; + virtual FWL_Error ClearText(); + virtual int32_t GetCaretPos() const; + virtual int32_t SetCaretPos(int32_t nIndex, FX_BOOL bBefore = TRUE); + virtual FWL_Error AddSelRange(int32_t nStart, int32_t nCount = -1); + virtual int32_t CountSelRanges(); + virtual int32_t GetSelRange(int32_t nIndex, int32_t& nStart); + virtual FWL_Error ClearSelections(); + virtual int32_t GetLimit(); + virtual FWL_Error SetLimit(int32_t nLimit); + virtual FWL_Error SetAliasChar(FX_WCHAR wAlias); + virtual FWL_Error Insert(int32_t nStart, + const FX_WCHAR* lpText, + int32_t nLen); + virtual FWL_Error DeleteSelections(); + virtual FWL_Error DeleteRange(int32_t nStart, int32_t nCount = -1); + virtual FWL_Error Replace(int32_t nStart, + int32_t nLen, + const CFX_WideStringC& wsReplace); + virtual FWL_Error DoClipboard(int32_t iCmd); + virtual FX_BOOL Copy(CFX_WideString& wsCopy); + virtual FX_BOOL Cut(CFX_WideString& wsCut); + virtual FX_BOOL Paste(const CFX_WideString& wsPaste); + virtual FX_BOOL Delete(); + virtual FX_BOOL Redo(const IFDE_TxtEdtDoRecord* pRecord); + virtual FX_BOOL Undo(const IFDE_TxtEdtDoRecord* pRecord); + virtual FX_BOOL Undo(); + virtual FX_BOOL Redo(); + virtual FX_BOOL CanUndo(); + virtual FX_BOOL CanRedo(); + virtual FWL_Error SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant); + virtual FWL_Error SetOuter(IFWL_Widget* pOuter); + virtual FWL_Error SetNumberRange(int32_t iMin, int32_t iMax); + virtual FWL_Error SetBackgroundColor(uint32_t color); + virtual FWL_Error SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize); + + void On_CaretChanged(CFDE_TxtEdtEngine* pEdit, + int32_t nPage, + FX_BOOL bVisible = true); + void On_TextChanged(CFDE_TxtEdtEngine* pEdit, + FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo); + void On_SelChanged(CFDE_TxtEdtEngine* pEdit); + FX_BOOL On_PageLoad(CFDE_TxtEdtEngine* pEdit, + int32_t nPageIndex, + int32_t nPurpose); + FX_BOOL On_PageUnload(CFDE_TxtEdtEngine* pEdit, + int32_t nPageIndex, + int32_t nPurpose); + void On_AddDoRecord(CFDE_TxtEdtEngine* pEdit, IFDE_TxtEdtDoRecord* pRecord); + FX_BOOL On_Validate(CFDE_TxtEdtEngine* pEdit, CFX_WideString& wsText); + void SetScrollOffset(FX_FLOAT fScrollOffset); + FX_BOOL GetSuggestWords(CFX_PointF pointf, + std::vector<CFX_ByteString>& sSuggest); + FX_BOOL ReplaceSpellCheckWord(CFX_PointF pointf, + const CFX_ByteStringC& bsReplace); + + protected: + friend class CFWL_TxtEdtEventSink; + friend class CFWL_EditImpDelegate; + + void DrawTextBk(CFX_Graphics* pGraphics, + IFWL_ThemeProvider* pTheme, + const CFX_Matrix* pMatrix = nullptr); + void DrawContent(CFX_Graphics* pGraphics, + IFWL_ThemeProvider* pTheme, + const CFX_Matrix* pMatrix = nullptr); + void UpdateEditEngine(); + void UpdateEditParams(); + void UpdateEditLayout(); + FX_BOOL UpdateOffset(); + FX_BOOL UpdateOffset(IFWL_ScrollBar* pScrollBar, FX_FLOAT fPosChanged); + void UpdateVAlignment(); + void UpdateCaret(); + IFWL_ScrollBar* UpdateScroll(); + void Layout(); + void LayoutScrollBar(); + void DeviceToEngine(CFX_PointF& pt); + void InitScrollBar(FX_BOOL bVert = TRUE); + void InitEngine(); + virtual void ShowCaret(FX_BOOL bVisible, CFX_RectF* pRect = nullptr); + FX_BOOL ValidateNumberChar(FX_WCHAR cNum); + void InitCaret(); + void ClearRecord(); + FX_BOOL IsShowScrollBar(FX_BOOL bVert); + FX_BOOL IsContentHeightOverflow(); + int32_t AddDoRecord(IFDE_TxtEdtDoRecord* pRecord); + void ProcessInsertError(int32_t iError); + + void DrawSpellCheck(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix = nullptr); + void AddSpellCheckObj(CFX_Path& PathData, + int32_t nStart, + int32_t nCount, + FX_FLOAT fOffSetX, + FX_FLOAT fOffSetY); + int32_t GetWordAtPoint(CFX_PointF pointf, int32_t& nCount); + + CFX_RectF m_rtClient; + CFX_RectF m_rtEngine; + CFX_RectF m_rtStatic; + FX_FLOAT m_fVAlignOffset; + FX_FLOAT m_fScrollOffsetX; + FX_FLOAT m_fScrollOffsetY; + std::unique_ptr<CFDE_TxtEdtEngine> m_pEdtEngine; + FX_BOOL m_bLButtonDown; + int32_t m_nSelStart; + int32_t m_nLimit; + FX_FLOAT m_fSpaceAbove; + FX_FLOAT m_fSpaceBelow; + FX_FLOAT m_fFontSize; + FX_ARGB m_argbSel; + FX_BOOL m_bSetRange; + int32_t m_iMin; + int32_t m_iMax; + std::unique_ptr<IFWL_ScrollBar> m_pVertScrollBar; + std::unique_ptr<IFWL_ScrollBar> m_pHorzScrollBar; + std::unique_ptr<IFWL_Caret> m_pCaret; + CFX_WideString m_wsCache; + uint32_t m_backColor; + FX_BOOL m_updateBackColor; + CFX_WideString m_wsFont; + std::deque<std::unique_ptr<IFDE_TxtEdtDoRecord>> m_DoRecords; + int32_t m_iCurRecord; + int32_t m_iMaxRecord; +}; + +class CFWL_EditImpDelegate : public CFWL_WidgetImpDelegate { + public: + CFWL_EditImpDelegate(IFWL_Edit* pOwner); + void OnProcessMessage(CFWL_Message* pMessage) override; + void OnProcessEvent(CFWL_Event* pEvent) override; + void OnDrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix = nullptr) override; + + protected: + void DoActivate(CFWL_MsgActivate* pMsg); + void DoDeactivate(CFWL_MsgDeactivate* pMsg); + void DoButtonDown(CFWL_MsgMouse* pMsg); + void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE); + void OnLButtonDown(CFWL_MsgMouse* pMsg); + void OnLButtonUp(CFWL_MsgMouse* pMsg); + void OnButtonDblClk(CFWL_MsgMouse* pMsg); + void OnMouseMove(CFWL_MsgMouse* pMsg); + void OnKeyDown(CFWL_MsgKey* pMsg); + void OnChar(CFWL_MsgKey* pMsg); + FX_BOOL OnScroll(IFWL_ScrollBar* pScrollBar, uint32_t dwCode, FX_FLOAT fPos); + void DoCursor(CFWL_MsgMouse* pMsg); + IFWL_Edit* m_pOwner; +}; + +#endif // XFA_FWL_CORE_IFWL_EDIT_H_ |