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_PWL_CPWL_COMBO_BOX_H_ 8 #define FPDFSDK_PWL_CPWL_COMBO_BOX_H_ 9 10 #include <memory> 11 12 #include "core/fxcrt/unowned_ptr.h" 13 #include "fpdfsdk/pwl/cpwl_edit.h" 14 #include "fpdfsdk/pwl/cpwl_list_box.h" 15 #include "fpdfsdk/pwl/cpwl_wnd.h" 16 17 class CPWL_CBListBox : public CPWL_ListBox { 18 public: CPWL_CBListBox()19 CPWL_CBListBox() {} ~CPWL_CBListBox()20 ~CPWL_CBListBox() override {} 21 22 // CPWL_ListBox 23 bool OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) override; 24 25 bool IsMovementKey(uint16_t nChar) const; 26 bool OnMovementKeyDown(uint16_t nChar, uint32_t nFlag); 27 bool IsChar(uint16_t nChar, uint32_t nFlag) const; 28 bool OnCharNotify(uint16_t nChar, uint32_t nFlag); 29 }; 30 31 class CPWL_CBButton : public CPWL_Wnd { 32 public: CPWL_CBButton()33 CPWL_CBButton() {} ~CPWL_CBButton()34 ~CPWL_CBButton() override {} 35 36 // CPWL_Wnd 37 void DrawThisAppearance(CFX_RenderDevice* pDevice, 38 const CFX_Matrix& mtUser2Device) override; 39 bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) override; 40 bool OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) override; 41 }; 42 43 class CPWL_ComboBox : public CPWL_Wnd { 44 public: 45 CPWL_ComboBox(); 46 ~CPWL_ComboBox() override; 47 GetEdit()48 CPWL_Edit* GetEdit() const { return m_pEdit.Get(); } 49 50 // CPWL_Wnd: 51 ByteString GetClassName() const override; 52 void OnCreate(CreateParams* pParamsToAdjust) override; 53 void OnDestroy() override; 54 bool OnKeyDown(uint16_t nChar, uint32_t nFlag) override; 55 bool OnChar(uint16_t nChar, uint32_t nFlag) override; 56 void NotifyLButtonDown(CPWL_Wnd* child, const CFX_PointF& pos) override; 57 void NotifyLButtonUp(CPWL_Wnd* child, const CFX_PointF& pos) override; 58 void CreateChildWnd(const CreateParams& cp) override; 59 bool RePosChildWnd() override; 60 CFX_FloatRect GetFocusRect() const override; 61 void SetFocus() override; 62 void KillFocus() override; 63 WideString GetSelectedText() override; 64 void ReplaceSelection(const WideString& text) override; 65 66 void SetFillerNotify(IPWL_Filler_Notify* pNotify); 67 68 WideString GetText() const; 69 void SetText(const WideString& text); 70 void AddString(const WideString& str); 71 int32_t GetSelect() const; 72 void SetSelect(int32_t nItemIndex); 73 74 void SetEditSelection(int32_t nStartChar, int32_t nEndChar); 75 void GetEditSelection(int32_t& nStartChar, int32_t& nEndChar) const; 76 void ClearSelection(); 77 void SelectAll(); 78 bool IsPopup() const; 79 80 void SetSelectText(); 81 AttachFFLData(CFFL_FormFiller * pData)82 void AttachFFLData(CFFL_FormFiller* pData) { m_pFormFiller = pData; } 83 84 private: 85 void CreateEdit(const CreateParams& cp); 86 void CreateButton(const CreateParams& cp); 87 void CreateListBox(const CreateParams& cp); 88 89 // Returns |true| iff this instance is still allocated. 90 bool SetPopup(bool bPopup); 91 92 UnownedPtr<CPWL_Edit> m_pEdit; 93 UnownedPtr<CPWL_CBButton> m_pButton; 94 UnownedPtr<CPWL_CBListBox> m_pList; 95 CFX_FloatRect m_rcOldWindow; 96 bool m_bPopup = false; 97 bool m_bBottom = true; 98 int32_t m_nSelectItem = -1; 99 UnownedPtr<IPWL_Filler_Notify> m_pFillerNotify; 100 UnownedPtr<CFFL_FormFiller> m_pFormFiller; 101 }; 102 103 #endif // FPDFSDK_PWL_CPWL_COMBO_BOX_H_ 104