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authorDan Sinclair <dsinclair@chromium.org>2017-07-25 09:39:30 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-07-25 13:51:37 +0000
commitc411eb943bb51e16ff4fb5a6ffb06e277ca6a982 (patch)
tree5f7b57d816cccc2d077d1cdaa40d58f46d11a8f2 /fpdfsdk/pwl/cpwl_edit_impl.h
parent54a4214c86bc790cc2a3ae454b1aa709e868fa1a (diff)
downloadpdfium-c411eb943bb51e16ff4fb5a6ffb06e277ca6a982.tar.xz
Move fpdfsdk/pdfwindow to fpdfsdk/pwl
This makes it clearer what the directory contains. Change-Id: I34fc38dd30b8e0f6e057052ea33c8b5a10f1b9c3 Reviewed-on: https://pdfium-review.googlesource.com/8791 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'fpdfsdk/pwl/cpwl_edit_impl.h')
-rw-r--r--fpdfsdk/pwl/cpwl_edit_impl.h515
1 files changed, 515 insertions, 0 deletions
diff --git a/fpdfsdk/pwl/cpwl_edit_impl.h b/fpdfsdk/pwl/cpwl_edit_impl.h
new file mode 100644
index 0000000000..697ca84994
--- /dev/null
+++ b/fpdfsdk/pwl/cpwl_edit_impl.h
@@ -0,0 +1,515 @@
+// 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_IMPL_H_
+#define FPDFSDK_PWL_CPWL_EDIT_IMPL_H_
+
+#include <deque>
+#include <memory>
+#include <vector>
+
+#include "core/fpdfdoc/cpvt_secprops.h"
+#include "core/fpdfdoc/cpvt_wordprops.h"
+#include "core/fxcrt/cfx_unowned_ptr.h"
+
+#define FX_EDIT_ISLATINWORD(u) \
+ (u == 0x2D || (u <= 0x005A && u >= 0x0041) || \
+ (u <= 0x007A && u >= 0x0061) || (u <= 0x02AF && u >= 0x00C0))
+
+class CFFL_FormFiller;
+class CPWL_EditImpl;
+class CPWL_EditImpl_Iterator;
+class CPWL_EditImpl_Provider;
+class CFX_RenderDevice;
+class CFX_SystemHandler;
+class CPWL_Edit;
+class CPWL_EditCtrl;
+class IFX_Edit_UndoItem;
+
+struct CPWL_EditImpl_LineRect {
+ CPWL_EditImpl_LineRect(const CPVT_WordRange& wrLine,
+ const CFX_FloatRect& rcLine)
+ : m_wrLine(wrLine), m_rcLine(rcLine) {}
+
+ CPVT_WordRange m_wrLine;
+ CFX_FloatRect m_rcLine;
+};
+
+class CPWL_EditImpl_LineRectArray {
+ public:
+ CPWL_EditImpl_LineRectArray();
+ ~CPWL_EditImpl_LineRectArray();
+
+ void operator=(CPWL_EditImpl_LineRectArray&& rects);
+ void Add(const CPVT_WordRange& wrLine, const CFX_FloatRect& rcLine);
+
+ int32_t GetSize() const;
+ CPWL_EditImpl_LineRect* GetAt(int32_t nIndex) const;
+
+ private:
+ std::vector<std::unique_ptr<CPWL_EditImpl_LineRect>> m_LineRects;
+};
+
+class CPWL_EditImpl_RectArray {
+ public:
+ CPWL_EditImpl_RectArray();
+ ~CPWL_EditImpl_RectArray();
+
+ void Clear();
+ void Add(const CFX_FloatRect& rect);
+
+ int32_t GetSize() const;
+ CFX_FloatRect* GetAt(int32_t nIndex) const;
+
+ private:
+ std::vector<std::unique_ptr<CFX_FloatRect>> m_Rects;
+};
+
+class CPWL_EditImpl_Refresh {
+ public:
+ CPWL_EditImpl_Refresh();
+ ~CPWL_EditImpl_Refresh();
+
+ void BeginRefresh();
+ void Push(const CPVT_WordRange& linerange, const CFX_FloatRect& rect);
+ void NoAnalyse();
+ const CPWL_EditImpl_RectArray* GetRefreshRects() const;
+ void EndRefresh();
+
+ private:
+ CPWL_EditImpl_LineRectArray m_NewLineRects;
+ CPWL_EditImpl_LineRectArray m_OldLineRects;
+ CPWL_EditImpl_RectArray m_RefreshRects;
+};
+
+class CPWL_EditImpl_Select {
+ public:
+ CPWL_EditImpl_Select();
+ explicit CPWL_EditImpl_Select(const CPVT_WordRange& range);
+
+ void Reset();
+ void Set(const CPVT_WordPlace& begin, const CPVT_WordPlace& end);
+ void SetEndPos(const CPVT_WordPlace& end);
+
+ CPVT_WordRange ConvertToWordRange() const;
+ bool IsEmpty() const;
+
+ CPVT_WordPlace BeginPos;
+ CPVT_WordPlace EndPos;
+};
+
+class CPWL_EditImpl_Undo {
+ public:
+ explicit CPWL_EditImpl_Undo(int32_t nBufsize);
+ ~CPWL_EditImpl_Undo();
+
+ void AddItem(std::unique_ptr<IFX_Edit_UndoItem> pItem);
+ void Undo();
+ void Redo();
+ bool CanUndo() const;
+ bool CanRedo() const;
+ void Reset();
+
+ private:
+ void RemoveHeads();
+ void RemoveTails();
+
+ std::deque<std::unique_ptr<IFX_Edit_UndoItem>> m_UndoItemStack;
+ size_t m_nCurUndoPos;
+ size_t m_nBufSize;
+ bool m_bWorking;
+};
+
+class IFX_Edit_UndoItem {
+ public:
+ virtual ~IFX_Edit_UndoItem() {}
+
+ virtual void Undo() = 0;
+ virtual void Redo() = 0;
+ virtual CFX_WideString GetUndoTitle() const = 0;
+};
+
+class CPWL_EditImpl_UndoItem : public IFX_Edit_UndoItem {
+ public:
+ CPWL_EditImpl_UndoItem();
+ ~CPWL_EditImpl_UndoItem() override;
+
+ CFX_WideString GetUndoTitle() const override;
+
+ void SetFirst(bool bFirst);
+ void SetLast(bool bLast);
+ bool IsLast();
+
+ private:
+ bool m_bFirst;
+ bool m_bLast;
+};
+
+class CFXEU_InsertWord : public CPWL_EditImpl_UndoItem {
+ public:
+ CFXEU_InsertWord(CPWL_EditImpl* pEdit,
+ const CPVT_WordPlace& wpOldPlace,
+ const CPVT_WordPlace& wpNewPlace,
+ uint16_t word,
+ int32_t charset,
+ const CPVT_WordProps* pWordProps);
+ ~CFXEU_InsertWord() override;
+
+ // CPWL_EditImpl_UndoItem
+ void Redo() override;
+ void Undo() override;
+
+ private:
+ CFX_UnownedPtr<CPWL_EditImpl> m_pEdit;
+
+ CPVT_WordPlace m_wpOld;
+ CPVT_WordPlace m_wpNew;
+ uint16_t m_Word;
+ int32_t m_nCharset;
+ CPVT_WordProps m_WordProps;
+};
+
+class CFXEU_InsertReturn : public CPWL_EditImpl_UndoItem {
+ public:
+ CFXEU_InsertReturn(CPWL_EditImpl* pEdit,
+ const CPVT_WordPlace& wpOldPlace,
+ const CPVT_WordPlace& wpNewPlace,
+ const CPVT_SecProps* pSecProps,
+ const CPVT_WordProps* pWordProps);
+ ~CFXEU_InsertReturn() override;
+
+ // CPWL_EditImpl_UndoItem
+ void Redo() override;
+ void Undo() override;
+
+ private:
+ CFX_UnownedPtr<CPWL_EditImpl> m_pEdit;
+
+ CPVT_WordPlace m_wpOld;
+ CPVT_WordPlace m_wpNew;
+ CPVT_SecProps m_SecProps;
+ CPVT_WordProps m_WordProps;
+};
+
+class CFXEU_Backspace : public CPWL_EditImpl_UndoItem {
+ public:
+ CFXEU_Backspace(CPWL_EditImpl* pEdit,
+ const CPVT_WordPlace& wpOldPlace,
+ const CPVT_WordPlace& wpNewPlace,
+ uint16_t word,
+ int32_t charset,
+ const CPVT_SecProps& SecProps,
+ const CPVT_WordProps& WordProps);
+ ~CFXEU_Backspace() override;
+
+ // CPWL_EditImpl_UndoItem
+ void Redo() override;
+ void Undo() override;
+
+ private:
+ CFX_UnownedPtr<CPWL_EditImpl> m_pEdit;
+
+ CPVT_WordPlace m_wpOld;
+ CPVT_WordPlace m_wpNew;
+ uint16_t m_Word;
+ int32_t m_nCharset;
+ CPVT_SecProps m_SecProps;
+ CPVT_WordProps m_WordProps;
+};
+
+class CFXEU_Delete : public CPWL_EditImpl_UndoItem {
+ public:
+ CFXEU_Delete(CPWL_EditImpl* pEdit,
+ const CPVT_WordPlace& wpOldPlace,
+ const CPVT_WordPlace& wpNewPlace,
+ uint16_t word,
+ int32_t charset,
+ const CPVT_SecProps& SecProps,
+ const CPVT_WordProps& WordProps,
+ bool bSecEnd);
+ ~CFXEU_Delete() override;
+
+ // CPWL_EditImpl_UndoItem
+ void Redo() override;
+ void Undo() override;
+
+ private:
+ CFX_UnownedPtr<CPWL_EditImpl> m_pEdit;
+
+ CPVT_WordPlace m_wpOld;
+ CPVT_WordPlace m_wpNew;
+ uint16_t m_Word;
+ int32_t m_nCharset;
+ CPVT_SecProps m_SecProps;
+ CPVT_WordProps m_WordProps;
+ bool m_bSecEnd;
+};
+
+class CFXEU_Clear : public CPWL_EditImpl_UndoItem {
+ public:
+ CFXEU_Clear(CPWL_EditImpl* pEdit,
+ const CPVT_WordRange& wrSel,
+ const CFX_WideString& swText);
+ ~CFXEU_Clear() override;
+
+ // CPWL_EditImpl_UndoItem
+ void Redo() override;
+ void Undo() override;
+
+ private:
+ CFX_UnownedPtr<CPWL_EditImpl> m_pEdit;
+
+ CPVT_WordRange m_wrSel;
+ CFX_WideString m_swText;
+};
+
+class CFXEU_InsertText : public CPWL_EditImpl_UndoItem {
+ public:
+ CFXEU_InsertText(CPWL_EditImpl* pEdit,
+ const CPVT_WordPlace& wpOldPlace,
+ const CPVT_WordPlace& wpNewPlace,
+ const CFX_WideString& swText,
+ int32_t charset);
+ ~CFXEU_InsertText() override;
+
+ // CPWL_EditImpl_UndoItem
+ void Redo() override;
+ void Undo() override;
+
+ private:
+ CFX_UnownedPtr<CPWL_EditImpl> m_pEdit;
+
+ CPVT_WordPlace m_wpOld;
+ CPVT_WordPlace m_wpNew;
+ CFX_WideString m_swText;
+ int32_t m_nCharset;
+};
+
+class CPWL_EditImpl {
+ public:
+ static void DrawEdit(CFX_RenderDevice* pDevice,
+ CFX_Matrix* pUser2Device,
+ CPWL_EditImpl* pEdit,
+ FX_COLORREF crTextFill,
+ const CFX_FloatRect& rcClip,
+ const CFX_PointF& ptOffset,
+ const CPVT_WordRange* pRange,
+ CFX_SystemHandler* pSystemHandler,
+ CFFL_FormFiller* pFFLData);
+
+ CPWL_EditImpl();
+ ~CPWL_EditImpl();
+
+ void SetFontMap(IPVT_FontMap* pFontMap);
+ void SetNotify(CPWL_EditCtrl* pNotify);
+ void SetOprNotify(CPWL_Edit* pOprNotify);
+
+ // Returns an iterator for the contents. Should not be released.
+ CPWL_EditImpl_Iterator* GetIterator();
+ IPVT_FontMap* GetFontMap();
+ void Initialize();
+
+ // Set the bounding box of the text area.
+ void SetPlateRect(const CFX_FloatRect& rect);
+ void SetScrollPos(const CFX_PointF& point);
+
+ // Set the horizontal text alignment. (nFormat [0:left, 1:middle, 2:right])
+ void SetAlignmentH(int32_t nFormat, bool bPaint);
+ // Set the vertical text alignment. (nFormat [0:left, 1:middle, 2:right])
+ void SetAlignmentV(int32_t nFormat, bool bPaint);
+
+ // Set the substitution character for hidden text.
+ void SetPasswordChar(uint16_t wSubWord, bool bPaint);
+
+ // Set the maximum number of words in the text.
+ void SetLimitChar(int32_t nLimitChar);
+ void SetCharArray(int32_t nCharArray);
+ void SetCharSpace(float fCharSpace);
+ void SetMultiLine(bool bMultiLine, bool bPaint);
+ void SetAutoReturn(bool bAuto, bool bPaint);
+ void SetAutoFontSize(bool bAuto, bool bPaint);
+ void SetAutoScroll(bool bAuto, bool bPaint);
+ void SetFontSize(float fFontSize);
+ void SetTextOverflow(bool bAllowed, bool bPaint);
+ void OnMouseDown(const CFX_PointF& point, bool bShift, bool bCtrl);
+ void OnMouseMove(const CFX_PointF& point, bool bShift, bool bCtrl);
+ void OnVK_UP(bool bShift, bool bCtrl);
+ void OnVK_DOWN(bool bShift, bool bCtrl);
+ void OnVK_LEFT(bool bShift, bool bCtrl);
+ void OnVK_RIGHT(bool bShift, bool bCtrl);
+ void OnVK_HOME(bool bShift, bool bCtrl);
+ void OnVK_END(bool bShift, bool bCtrl);
+ void SetText(const CFX_WideString& sText);
+ bool InsertWord(uint16_t word, int32_t charset);
+ bool InsertReturn();
+ bool Backspace();
+ bool Delete();
+ bool ClearSelection();
+ bool InsertText(const CFX_WideString& sText, int32_t charset);
+ bool Redo();
+ bool Undo();
+ CPVT_WordPlace WordIndexToWordPlace(int32_t index) const;
+ CPVT_WordPlace SearchWordPlace(const CFX_PointF& point) const;
+ int32_t GetCaret() const;
+ CPVT_WordPlace GetCaretWordPlace() const;
+ CFX_WideString GetSelectedText() const;
+ CFX_WideString GetText() const;
+ float GetFontSize() const;
+ uint16_t GetPasswordChar() const;
+ CFX_PointF GetScrollPos() const;
+ int32_t GetCharArray() const;
+ CFX_FloatRect GetContentRect() const;
+ CFX_WideString GetRangeText(const CPVT_WordRange& range) const;
+ int32_t GetHorzScale() const;
+ float GetCharSpace() const;
+ void SetSelection(int32_t nStartChar, int32_t nEndChar);
+ void GetSelection(int32_t& nStartChar, int32_t& nEndChar) const;
+ void SelectAll();
+ void SelectNone();
+ bool IsSelected() const;
+ void Paint();
+ void EnableRefresh(bool bRefresh);
+ void RefreshWordRange(const CPVT_WordRange& wr);
+ CPVT_WordRange GetWholeWordRange() const;
+ CPVT_WordRange GetSelectWordRange() const;
+ void EnableUndo(bool bUndo);
+ void EnableOprNotify(bool bNotify);
+ bool IsTextFull() const;
+ bool IsTextOverflow() const;
+ bool CanUndo() const;
+ bool CanRedo() const;
+ CPVT_WordRange GetVisibleWordRange() const;
+
+ bool Empty();
+
+ CPVT_WordPlace DoInsertText(const CPVT_WordPlace& place,
+ const CFX_WideString& sText,
+ int32_t charset);
+ int32_t GetCharSetFromUnicode(uint16_t word, int32_t nOldCharset);
+
+ int32_t GetTotalLines() const;
+
+ CFX_ByteString GetPDFWordString(int32_t nFontIndex,
+ uint16_t Word,
+ uint16_t SubWord);
+
+ private:
+ friend class CPWL_EditImpl_Iterator;
+ friend class CFXEU_InsertWord;
+ friend class CFXEU_InsertReturn;
+ friend class CFXEU_Backspace;
+ friend class CFXEU_Delete;
+ friend class CFXEU_Clear;
+ friend class CFXEU_InsertText;
+
+ void SetSelection(const CPVT_WordPlace& begin, const CPVT_WordPlace& end);
+
+ void RearrangeAll();
+ void RearrangePart(const CPVT_WordRange& range);
+ void ScrollToCaret();
+ void SetScrollInfo();
+ void SetScrollPosX(float fx);
+ void SetScrollPosY(float fy);
+ void SetScrollLimit();
+ void SetContentChanged();
+
+ bool InsertWord(uint16_t word,
+ int32_t charset,
+ const CPVT_WordProps* pWordProps,
+ bool bAddUndo,
+ bool bPaint);
+ bool InsertReturn(const CPVT_SecProps* pSecProps,
+ const CPVT_WordProps* pWordProps,
+ bool bAddUndo,
+ bool bPaint);
+ bool Backspace(bool bAddUndo, bool bPaint);
+ bool Delete(bool bAddUndo, bool bPaint);
+ bool Clear(bool bAddUndo, bool bPaint);
+ bool InsertText(const CFX_WideString& sText,
+ int32_t charset,
+ bool bAddUndo,
+ bool bPaint);
+ void PaintInsertText(const CPVT_WordPlace& wpOld,
+ const CPVT_WordPlace& wpNew);
+
+ inline CFX_PointF VTToEdit(const CFX_PointF& point) const;
+ inline CFX_PointF EditToVT(const CFX_PointF& point) const;
+ inline CFX_FloatRect VTToEdit(const CFX_FloatRect& rect) const;
+
+ void Refresh();
+ void RefreshPushLineRects(const CPVT_WordRange& wr);
+
+ void SetCaret(const CPVT_WordPlace& place);
+ void SetCaretInfo();
+ void SetCaretOrigin();
+
+ void AddEditUndoItem(std::unique_ptr<CPWL_EditImpl_UndoItem> pEditUndoItem);
+
+ private:
+ std::unique_ptr<CPDF_VariableText> m_pVT;
+ CFX_UnownedPtr<CPWL_EditCtrl> m_pNotify;
+ CFX_UnownedPtr<CPWL_Edit> m_pOprNotify;
+ std::unique_ptr<CPWL_EditImpl_Provider> m_pVTProvider;
+ CPVT_WordPlace m_wpCaret;
+ CPVT_WordPlace m_wpOldCaret;
+ CPWL_EditImpl_Select m_SelState;
+ CFX_PointF m_ptScrollPos;
+ CFX_PointF m_ptRefreshScrollPos;
+ bool m_bEnableScroll;
+ std::unique_ptr<CPWL_EditImpl_Iterator> m_pIterator;
+ CPWL_EditImpl_Refresh m_Refresh;
+ CFX_PointF m_ptCaret;
+ CPWL_EditImpl_Undo m_Undo;
+ int32_t m_nAlignment;
+ bool m_bNotifyFlag;
+ bool m_bEnableOverflow;
+ bool m_bEnableRefresh;
+ CFX_FloatRect m_rcOldContent;
+ bool m_bEnableUndo;
+ bool m_bOprNotify;
+};
+
+class CPWL_EditImpl_Iterator {
+ public:
+ CPWL_EditImpl_Iterator(CPWL_EditImpl* pEdit,
+ CPDF_VariableText::Iterator* pVTIterator);
+ ~CPWL_EditImpl_Iterator();
+
+ bool NextWord();
+ bool PrevWord();
+ bool GetWord(CPVT_Word& word) const;
+ bool GetLine(CPVT_Line& line) const;
+ void SetAt(int32_t nWordIndex);
+ void SetAt(const CPVT_WordPlace& place);
+ const CPVT_WordPlace& GetAt() const;
+
+ private:
+ CFX_UnownedPtr<CPWL_EditImpl> m_pEdit;
+ CPDF_VariableText::Iterator* m_pVTIterator;
+};
+
+class CPWL_EditImpl_Provider : public CPDF_VariableText::Provider {
+ public:
+ explicit CPWL_EditImpl_Provider(IPVT_FontMap* pFontMap);
+ ~CPWL_EditImpl_Provider() override;
+
+ IPVT_FontMap* GetFontMap() const;
+
+ // CPDF_VariableText::Provider:
+ int32_t GetCharWidth(int32_t nFontIndex, uint16_t word) override;
+ int32_t GetTypeAscent(int32_t nFontIndex) override;
+ int32_t GetTypeDescent(int32_t nFontIndex) override;
+ int32_t GetWordFontIndex(uint16_t word,
+ int32_t charset,
+ int32_t nFontIndex) override;
+ int32_t GetDefaultFontIndex() override;
+ bool IsLatinWord(uint16_t word) override;
+
+ private:
+ IPVT_FontMap* m_pFontMap;
+};
+
+#endif // FPDFSDK_PWL_CPWL_EDIT_IMPL_H_