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Diffstat (limited to 'xfa/fwl/cfwl_edit.h')
| -rw-r--r-- | xfa/fwl/cfwl_edit.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/xfa/fwl/cfwl_edit.h b/xfa/fwl/cfwl_edit.h new file mode 100644 index 0000000000..f975bb2ba4 --- /dev/null +++ b/xfa/fwl/cfwl_edit.h @@ -0,0 +1,191 @@ +// 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_CFWL_EDIT_H_ +#define XFA_FWL_CFWL_EDIT_H_ + +#include <deque> +#include <memory> +#include <vector> + +#include "xfa/fde/cfde_txtedtengine.h" +#include "xfa/fde/ifde_txtedtdorecord.h" +#include "xfa/fwl/cfwl_event.h" +#include "xfa/fwl/cfwl_scrollbar.h" +#include "xfa/fwl/cfwl_widget.h" +#include "xfa/fxgraphics/cfx_path.h" + +#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_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) + +class IFDE_TxtEdtDoRecord; +class CFWL_Edit; +class CFWL_MessageMouse; +class CFWL_WidgetProperties; +class CFWL_Caret; + +class CFWL_Edit : public CFWL_Widget { + public: + CFWL_Edit(const CFWL_App* app, + std::unique_ptr<CFWL_WidgetProperties> properties, + CFWL_Widget* pOuter); + ~CFWL_Edit() override; + + // CFWL_Widget: + FWL_Type GetClassID() const override; + CFX_RectF GetAutosizedWidgetRect() override; + CFX_RectF GetWidgetRect() override; + void Update() override; + FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override; + void SetStates(uint32_t dwStates) override; + void DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) override; + void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override; + void OnProcessMessage(CFWL_Message* pMessage) override; + void OnProcessEvent(CFWL_Event* pEvent) override; + void OnDrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix) override; + + virtual void SetText(const CFX_WideString& wsText); + + int32_t GetTextLength() const; + CFX_WideString GetText() const; + void ClearText(); + + void AddSelRange(int32_t nStart); + int32_t CountSelRanges() const; + int32_t GetSelRange(int32_t nIndex, int32_t* nStart) const; + void ClearSelections(); + int32_t GetLimit() const; + void SetLimit(int32_t nLimit); + void SetAliasChar(FX_WCHAR wAlias); + bool Copy(CFX_WideString& wsCopy); + bool Cut(CFX_WideString& wsCut); + bool Paste(const CFX_WideString& wsPaste); + bool Redo(const IFDE_TxtEdtDoRecord* pRecord); + bool Undo(const IFDE_TxtEdtDoRecord* pRecord); + bool Undo(); + bool Redo(); + bool CanUndo(); + bool CanRedo(); + + void SetOuter(CFWL_Widget* pOuter); + + void OnCaretChanged(); + void OnTextChanged(const FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo); + void OnSelChanged(); + bool OnPageLoad(int32_t nPageIndex); + bool OnPageUnload(int32_t nPageIndex); + void OnAddDoRecord(std::unique_ptr<IFDE_TxtEdtDoRecord> pRecord); + bool OnValidate(const CFX_WideString& wsText); + void SetScrollOffset(FX_FLOAT fScrollOffset); + + protected: + void ShowCaret(CFX_RectF* pRect); + void HideCaret(CFX_RectF* pRect); + const CFX_RectF& GetRTClient() const { return m_rtClient; } + CFDE_TxtEdtEngine* GetTxtEdtEngine() { return &m_EdtEngine; } + + private: + void DrawTextBk(CFX_Graphics* pGraphics, + IFWL_ThemeProvider* pTheme, + const CFX_Matrix* pMatrix); + void DrawContent(CFX_Graphics* pGraphics, + IFWL_ThemeProvider* pTheme, + const CFX_Matrix* pMatrix); + void DrawSpellCheck(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix); + + void UpdateEditEngine(); + void UpdateEditParams(); + void UpdateEditLayout(); + bool UpdateOffset(); + bool UpdateOffset(CFWL_ScrollBar* pScrollBar, FX_FLOAT fPosChanged); + void UpdateVAlignment(); + void UpdateCaret(); + CFWL_ScrollBar* UpdateScroll(); + void Layout(); + void LayoutScrollBar(); + void DeviceToEngine(CFX_PointF& pt); + void InitVerticalScrollBar(); + void InitHorizontalScrollBar(); + void InitEngine(); + void InitCaret(); + bool ValidateNumberChar(FX_WCHAR cNum); + void ClearRecord(); + bool IsShowScrollBar(bool bVert); + bool IsContentHeightOverflow(); + int32_t AddDoRecord(std::unique_ptr<IFDE_TxtEdtDoRecord> pRecord); + void ProcessInsertError(int32_t iError); + void AddSpellCheckObj(CFX_Path& PathData, + int32_t nStart, + int32_t nCount, + FX_FLOAT fOffSetX, + FX_FLOAT fOffSetY); + + void DoButtonDown(CFWL_MessageMouse* pMsg); + void OnFocusChanged(CFWL_Message* pMsg, bool bSet); + void OnLButtonDown(CFWL_MessageMouse* pMsg); + void OnLButtonUp(CFWL_MessageMouse* pMsg); + void OnButtonDblClk(CFWL_MessageMouse* pMsg); + void OnMouseMove(CFWL_MessageMouse* pMsg); + void OnKeyDown(CFWL_MessageKey* pMsg); + void OnChar(CFWL_MessageKey* pMsg); + bool OnScroll(CFWL_ScrollBar* pScrollBar, + CFWL_EventScroll::Code dwCode, + FX_FLOAT fPos); + + CFX_RectF m_rtClient; + CFX_RectF m_rtEngine; + CFX_RectF m_rtStatic; + FX_FLOAT m_fVAlignOffset; + FX_FLOAT m_fScrollOffsetX; + FX_FLOAT m_fScrollOffsetY; + CFDE_TxtEdtEngine m_EdtEngine; + bool m_bLButtonDown; + int32_t m_nSelStart; + int32_t m_nLimit; + FX_FLOAT m_fFontSize; + bool m_bSetRange; + int32_t m_iMax; + std::unique_ptr<CFWL_ScrollBar> m_pVertScrollBar; + std::unique_ptr<CFWL_ScrollBar> m_pHorzScrollBar; + std::unique_ptr<CFWL_Caret> m_pCaret; + CFX_WideString m_wsCache; + CFX_WideString m_wsFont; + std::deque<std::unique_ptr<IFDE_TxtEdtDoRecord>> m_DoRecords; + int32_t m_iCurRecord; + int32_t m_iMaxRecord; +}; + +#endif // XFA_FWL_CFWL_EDIT_H_ |