// 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 XFA_FWL_CFWL_COMBOBOX_H_ #define XFA_FWL_CFWL_COMBOBOX_H_ #include <memory> #include "xfa/fwl/cfwl_comboboxproxy.h" #include "xfa/fwl/cfwl_comboedit.h" #include "xfa/fwl/cfwl_combolist.h" #include "xfa/fwl/cfwl_form.h" #include "xfa/fwl/cfwl_listbox.h" #include "xfa/fxgraphics/cxfa_graphics.h" class CFWL_WidgetProperties; class CFWL_ComboBox; class CFWL_ComboBoxProxy; class CFWL_FormProxy; class CFWL_ListBox; class CFWL_Widget; #define FWL_STYLEEXT_CMB_DropDown (1L << 0) #define FWL_STYLEEXT_CMB_Sort (1L << 1) #define FWL_STYLEEXT_CMB_OwnerDraw (1L << 3) #define FWL_STYLEEXT_CMB_EditHNear 0 #define FWL_STYLEEXT_CMB_EditHCenter (1L << 4) #define FWL_STYLEEXT_CMB_EditVNear 0 #define FWL_STYLEEXT_CMB_EditVCenter (1L << 6) #define FWL_STYLEEXT_CMB_EditVFar (2L << 6) #define FWL_STYLEEXT_CMB_EditJustified (1L << 8) #define FWL_STYLEEXT_CMB_EditHAlignMask (3L << 4) #define FWL_STYLEEXT_CMB_EditVAlignMask (3L << 6) #define FWL_STYLEEXT_CMB_ListItemLeftAlign 0 #define FWL_STYLEEXT_CMB_ListItemCenterAlign (1L << 10) #define FWL_STYLEEXT_CMB_ListItemAlignMask (3L << 10) #define FWL_STYLEEXT_CMB_ReadOnly (1L << 13) class CFWL_ComboBox : public CFWL_Widget { public: explicit CFWL_ComboBox(const CFWL_App* pApp); ~CFWL_ComboBox() override; // CFWL_Widget FWL_Type GetClassID() const override; void ModifyStylesEx(uint32_t dwStylesExAdded, uint32_t dwStylesExRemoved) override; void SetStates(uint32_t dwStates) override; void RemoveStates(uint32_t dwStates) override; void Update() override; FWL_WidgetHit HitTest(const CFX_PointF& point) override; void DrawWidget(CXFA_Graphics* pGraphics, const CFX_Matrix& matrix) override; void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override; void OnProcessMessage(CFWL_Message* pMessage) override; void OnProcessEvent(CFWL_Event* pEvent) override; void OnDrawWidget(CXFA_Graphics* pGraphics, const CFX_Matrix& matrix) override; WideString GetTextByIndex(int32_t iIndex) const; int32_t GetCurSel() const { return m_iCurSel; } void SetCurSel(int32_t iSel); void AddString(const WideStringView& wsText); void RemoveAt(int32_t iIndex); void RemoveAll(); void SetEditText(const WideString& wsText); WideString GetEditText() const; void OpenDropDownList(bool bActivate); bool EditCanUndo() const { return m_pEdit->CanUndo(); } bool EditCanRedo() const { return m_pEdit->CanRedo(); } bool EditUndo() { return m_pEdit->Undo(); } bool EditRedo() { return m_pEdit->Redo(); } bool EditCanCopy() const { return m_pEdit->HasSelection(); } bool EditCanCut() const { if (m_pEdit->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly) return false; return EditCanCopy(); } bool EditCanSelectAll() const { return m_pEdit->GetTextLength() > 0; } Optional<WideString> EditCopy() const { return m_pEdit->Copy(); } Optional<WideString> EditCut() { return m_pEdit->Cut(); } bool EditPaste(const WideString& wsPaste) { return m_pEdit->Paste(wsPaste); } void EditSelectAll() { m_pEdit->SelectAll(); } void EditDelete() { m_pEdit->ClearText(); } void EditDeSelect() { m_pEdit->ClearSelection(); } CFX_RectF GetBBox() const; void EditModifyStylesEx(uint32_t dwStylesExAdded, uint32_t dwStylesExRemoved); void DrawStretchHandler(CXFA_Graphics* pGraphics, const CFX_Matrix* pMatrix); bool IsDropListVisible() const { return m_pComboBoxProxy && !(m_pComboBoxProxy->GetStates() & FWL_WGTSTATE_Invisible); } void ShowDropList(bool bActivate); CFWL_ComboEdit* GetComboEdit() const { return m_pEdit.get(); } void ProcessSelChanged(bool bLButtonUp); int32_t GetCurrentSelection() const { return m_iCurSel; } private: bool IsDropDownStyle() const { return !!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown); } void MatchEditText(); void SyncEditText(int32_t iListItem); void Layout(); void ResetTheme(); void ResetEditAlignment(); void ResetListItemAlignment(); void InitProxyForm(); void GetPopupPos(float fMinHeight, float fMaxHeight, const CFX_RectF& rtAnchor, CFX_RectF& rtPopup); void OnFocusChanged(CFWL_Message* pMsg, bool bSet); void OnLButtonDown(CFWL_MessageMouse* pMsg); void OnLButtonUp(CFWL_MessageMouse* pMsg); void OnMouseMove(CFWL_MessageMouse* pMsg); void OnMouseLeave(CFWL_MessageMouse* pMsg); void OnKey(CFWL_MessageKey* pMsg); void DoSubCtrlKey(CFWL_MessageKey* pMsg); void DisForm_InitComboList(); void DisForm_InitComboEdit(); void DisForm_ShowDropList(bool bActivate); bool DisForm_IsDropListVisible() const { return !(m_pListBox->GetStates() & FWL_WGTSTATE_Invisible); } void DisForm_ModifyStylesEx(uint32_t dwStylesExAdded, uint32_t dwStylesExRemoved); void DisForm_Update(); FWL_WidgetHit DisForm_HitTest(const CFX_PointF& point); void DisForm_DrawWidget(CXFA_Graphics* pGraphics, const CFX_Matrix* pMatrix); CFX_RectF DisForm_GetBBox() const; void DisForm_Layout(); void DisForm_OnProcessMessage(CFWL_Message* pMessage); void DisForm_OnLButtonDown(CFWL_MessageMouse* pMsg); void DisForm_OnFocusChanged(CFWL_Message* pMsg, bool bSet); void DisForm_OnKey(CFWL_MessageKey* pMsg); CFX_RectF m_rtClient; CFX_RectF m_rtContent; CFX_RectF m_rtBtn; CFX_RectF m_rtList; CFX_RectF m_rtProxy; CFX_RectF m_rtHandler; std::unique_ptr<CFWL_ComboEdit> m_pEdit; std::unique_ptr<CFWL_ComboList> m_pListBox; CFWL_ComboBoxProxy* m_pComboBoxProxy; // Can this be a unique_ptr? bool m_bLButtonDown; int32_t m_iCurSel; int32_t m_iBtnState; }; #endif // XFA_FWL_CFWL_COMBOBOX_H_