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 Undo() override; 32 bool Redo() override; 33 34 bool CanCopy() override; 35 bool CanCut() override; 36 bool CanPaste() override; 37 bool CanSelectAll() override; 38 Optional<WideString> Copy() override; 39 Optional<WideString> Cut() override; 40 bool Paste(const WideString& wsPaste) override; 41 void SelectAll() override; 42 void Delete() override; 43 void DeSelect() override; 44 WideString GetText() override; 45 FormFieldType GetFormFieldType() override; 46 47 // IFWL_WidgetDelegate 48 void OnProcessMessage(CFWL_Message* pMessage) override; 49 void OnProcessEvent(CFWL_Event* pEvent) override; 50 void OnDrawWidget(CXFA_Graphics* pGraphics, 51 const CFX_Matrix& matrix) override; 52 53 // CXFA_FFDropDown 54 void InsertItem(const WideString& wsLabel, int32_t nIndex) override; 55 void DeleteItem(int32_t nIndex) override; 56 57 void OpenDropDownList(); 58 59 void OnTextChanged(CFWL_Widget* pWidget, const WideString& wsChanged); 60 void OnSelectChanged(CFWL_Widget* pWidget, bool bLButtonUp); 61 void OnPreOpen(CFWL_Widget* pWidget); 62 void OnPostOpen(CFWL_Widget* pWidget); 63 void SetItemState(int32_t nIndex, bool bSelected); 64 65 private: 66 // CXFA_FFField: 67 bool PtInActiveRect(const CFX_PointF& point) override; 68 bool CommitData() override; 69 bool UpdateFWLData() override; 70 bool IsDataChanged() override; 71 72 uint32_t GetAlignment(); 73 void FWLEventSelChange(CXFA_EventParam* pParam); 74 WideString GetCurrentText() const; 75 76 WideString m_wsNewValue; 77 UnownedPtr<IFWL_WidgetDelegate> m_pOldDelegate; 78 }; 79 80 #endif // XFA_FXFA_CXFA_FFCOMBOBOX_H_ 81