| // 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_comboedit.h" |
| #include "xfa/fwl/cfwl_combolist.h" |
| #include "xfa/fwl/cfwl_listbox.h" |
| #include "xfa/fxgraphics/cxfa_graphics.h" |
| |
| class CFWL_WidgetProperties; |
| class CFWL_ComboBox; |
| 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 final : 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(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 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 GetPopupPos(float fMinHeight, |
| float fMaxHeight, |
| const CFX_RectF& rtAnchor, |
| CFX_RectF* pPopupRect); |
| void OnLButtonUp(CFWL_MessageMouse* pMsg); |
| |
| void InitComboList(); |
| void InitComboEdit(); |
| bool IsDropListVisible() const { return m_pListBox->IsVisible(); } |
| void OnLButtonDown(CFWL_MessageMouse* pMsg); |
| void OnFocusChanged(CFWL_Message* pMsg, bool bSet); |
| void OnKey(CFWL_MessageKey* pMsg); |
| |
| CFX_RectF m_rtClient; |
| CFX_RectF m_rtContent; |
| CFX_RectF m_rtBtn; |
| std::unique_ptr<CFWL_ComboEdit> m_pEdit; |
| std::unique_ptr<CFWL_ComboList> m_pListBox; |
| int32_t m_iCurSel; |
| int32_t m_iBtnState; |
| }; |
| |
| #endif // XFA_FWL_CFWL_COMBOBOX_H_ |