1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #ifndef FPDFSDK_PDFWINDOW_PWL_LISTBOX_H_
8 #define FPDFSDK_PDFWINDOW_PWL_LISTBOX_H_
9 
10 #include <memory>
11 
12 #include "fpdfsdk/fxedit/fx_edit.h"
13 #include "fpdfsdk/pdfwindow/PWL_Wnd.h"
14 
15 class CFX_ListCtrl;
16 class CPWL_List_Notify;
17 class CPWL_ListBox;
18 class IPWL_Filler_Notify;
19 struct CPVT_SecProps;
20 struct CPVT_WordPlace;
21 struct CPVT_WordProps;
22 
23 class CPWL_List_Notify {
24  public:
25   explicit CPWL_List_Notify(CPWL_ListBox* pList);
26   ~CPWL_List_Notify();
27 
28   void IOnSetScrollInfoY(FX_FLOAT fPlateMin,
29                          FX_FLOAT fPlateMax,
30                          FX_FLOAT fContentMin,
31                          FX_FLOAT fContentMax,
32                          FX_FLOAT fSmallStep,
33                          FX_FLOAT fBigStep);
34   void IOnSetScrollPosY(FX_FLOAT fy);
35   void IOnInvalidateRect(CFX_FloatRect* pRect);
36 
37   void IOnSetCaret(bool bVisible,
38                    const CFX_PointF& ptHead,
39                    const CFX_PointF& ptFoot,
40                    const CPVT_WordPlace& place);
41 
42  private:
43   CPWL_ListBox* m_pList;
44 };
45 
46 class CPWL_ListBox : public CPWL_Wnd {
47  public:
48   CPWL_ListBox();
49   ~CPWL_ListBox() override;
50 
51   // CPWL_Wnd
52   CFX_ByteString GetClassName() const override;
53   void OnCreated() override;
54   void OnDestroy() override;
55   void GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) override;
56   void DrawThisAppearance(CFX_RenderDevice* pDevice,
57                           CFX_Matrix* pUser2Device) override;
58   bool OnKeyDown(uint16_t nChar, uint32_t nFlag) override;
59   bool OnChar(uint16_t nChar, uint32_t nFlag) override;
60   bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) override;
61   bool OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) override;
62   bool OnMouseMove(const CFX_PointF& point, uint32_t nFlag) override;
63   bool OnMouseWheel(short zDelta,
64                     const CFX_PointF& point,
65                     uint32_t nFlag) override;
66   void KillFocus() override;
67   void OnNotify(CPWL_Wnd* pWnd,
68                 uint32_t msg,
69                 intptr_t wParam = 0,
70                 intptr_t lParam = 0) override;
71   void RePosChildWnd() override;
72   CFX_FloatRect GetFocusRect() const override;
73   void SetFontSize(FX_FLOAT fFontSize) override;
74   FX_FLOAT GetFontSize() const override;
75 
76   virtual CFX_WideString GetText() const;
77 
78   void OnNotifySelChanged(bool bKeyDown, bool& bExit, uint32_t nFlag);
79 
80   void AddString(const CFX_WideString& str);
81   void SetTopVisibleIndex(int32_t nItemIndex);
82   void ScrollToListItem(int32_t nItemIndex);
83   void ResetContent();
84   void Reset();
85   void Select(int32_t nItemIndex);
86   void SetCaret(int32_t nItemIndex);
87   void SetHoverSel(bool bHoverSel);
88 
89   int32_t GetCount() const;
90   bool IsMultipleSel() const;
91   int32_t GetCaretIndex() const;
92   int32_t GetCurSel() const;
93   bool IsItemSelected(int32_t nItemIndex) const;
94   int32_t GetTopVisibleIndex() const;
95   int32_t FindNext(int32_t nIndex, FX_WCHAR nChar) const;
96   CFX_FloatRect GetContentRect() const;
97   FX_FLOAT GetFirstHeight() const;
98   CFX_FloatRect GetListRect() const;
99 
SetFillerNotify(IPWL_Filler_Notify * pNotify)100   void SetFillerNotify(IPWL_Filler_Notify* pNotify) {
101     m_pFillerNotify = pNotify;
102   }
103 
AttachFFLData(CFFL_FormFiller * pData)104   void AttachFFLData(CFFL_FormFiller* pData) { m_pFormFiller = pData; }
105 
106  protected:
107   std::unique_ptr<CFX_ListCtrl> m_pList;
108   std::unique_ptr<CPWL_List_Notify> m_pListNotify;
109   bool m_bMouseDown;
110   bool m_bHoverSel;
111   IPWL_Filler_Notify* m_pFillerNotify;
112 
113  private:
114   CFFL_FormFiller* m_pFormFiller;  // Not owned.
115 };
116 
117 #endif  // FPDFSDK_PDFWINDOW_PWL_LISTBOX_H_
118