1 // Copyright 2017 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 XFA_FXFA_CXFA_FFCOMBOBOX_H_ 8 #define XFA_FXFA_CXFA_FFCOMBOBOX_H_ 9 10 #include "core/fxcrt/unowned_ptr.h" 11 #include "xfa/fxfa/cxfa_ffdropdown.h" 12 13 class CXFA_EventParam; 14 15 class CXFA_FFComboBox final : public CXFA_FFDropDown { 16 public: 17 explicit CXFA_FFComboBox(CXFA_Node* pNode); 18 ~CXFA_FFComboBox() override; 19 20 // CXFA_FFDropDown: 21 CXFA_FFComboBox* AsComboBox() override; 22 23 // CXFA_FFField 24 CFX_RectF GetBBox(FocusOption focus) override; 25 bool LoadWidget() override; 26 void UpdateWidgetProperty() override; 27 bool OnRButtonUp(uint32_t dwFlags, const CFX_PointF& point) override; 28 bool OnKillFocus(CXFA_FFWidget* pNewWidget) override WARN_UNUSED_RESULT; 29 bool CanUndo() override; 30 bool CanRedo() override; 31 bool CanCopy() override; 32 bool CanCut() override; 33 bool CanPaste() override; 34 bool CanSelectAll() override; 35 bool Undo() override; 36 bool Redo() override; 37 Optional<WideString> Copy() override; 38 Optional<WideString> Cut() override; 39 bool Paste(const WideString& wsPaste) override; 40 void SelectAll() override; 41 void Delete() override; 42 void DeSelect() override; 43 WideString GetText() override; 44 FormFieldType GetFormFieldType() override; 45 46 // IFWL_WidgetDelegate 47 void OnProcessMessage(CFWL_Message* pMessage) override; 48 void OnProcessEvent(CFWL_Event* pEvent) override; 49 void OnDrawWidget(CXFA_Graphics* pGraphics, 50 const CFX_Matrix& matrix) override; 51 52 // CXFA_FFDropDown 53 void InsertItem(const WideString& wsLabel, int32_t nIndex) override; 54 void DeleteItem(int32_t nIndex) override; 55 56 void OpenDropDownList(); 57 58 void OnTextChanged(CFWL_Widget* pWidget, const WideString& wsChanged); 59 void OnSelectChanged(CFWL_Widget* pWidget, bool bLButtonUp); 60 void OnPreOpen(CFWL_Widget* pWidget); 61 void OnPostOpen(CFWL_Widget* pWidget); 62 void SetItemState(int32_t nIndex, bool bSelected); 63 64 private: 65 // CXFA_FFField: 66 bool PtInActiveRect(const CFX_PointF& point) override; 67 bool CommitData() override; 68 bool UpdateFWLData() override; 69 bool IsDataChanged() override; 70 71 uint32_t GetAlignment(); 72 void FWLEventSelChange(CXFA_EventParam* pParam); 73 WideString GetCurrentText() const; 74 75 WideString m_wsNewValue; 76 UnownedPtr<IFWL_WidgetDelegate> m_pOldDelegate; 77 }; 78 79 #endif // XFA_FXFA_CXFA_FFCOMBOBOX_H_ 80