| // Copyright 2014 The PDFium Authors |
| // 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 "xfa/fgas/graphics/cfgas_gegraphics.h" |
| #include "xfa/fwl/cfwl_comboedit.h" |
| #include "xfa/fwl/cfwl_combolist.h" |
| #include "xfa/fwl/cfwl_listbox.h" |
| #include "xfa/fwl/cfwl_widget.h" |
| |
| #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: |
| CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED; |
| ~CFWL_ComboBox() override; |
| |
| // CFWL_Widget |
| void Trace(cppgc::Visitor* visitor) const override; |
| FWL_Type GetClassID() const override; |
| void ModifyStyleExts(uint32_t dwStyleExtsAdded, |
| uint32_t dwStyleExtsRemoved) 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(CFGAS_GEGraphics* pGraphics, |
| const CFX_Matrix& matrix) override; |
| void OnProcessMessage(CFWL_Message* pMessage) override; |
| void OnProcessEvent(CFWL_Event* pEvent) override; |
| void OnDrawWidget(CFGAS_GEGraphics* 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 WideString& wsText); |
| void RemoveAt(int32_t iIndex); |
| void RemoveAll(); |
| |
| void SetEditText(const WideString& wsText); |
| WideString GetEditText() const; |
| |
| 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->GetStyleExts() & FWL_STYLEEXT_EDT_ReadOnly) |
| return false; |
| return EditCanCopy(); |
| } |
| bool EditCanSelectAll() const { return m_pEdit->GetTextLength() > 0; } |
| absl::optional<WideString> EditCopy() const { return m_pEdit->Copy(); } |
| absl::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 EditModifyStyleExts(uint32_t dwStyleExtsAdded, |
| uint32_t dwStyleExtsRemoved); |
| void ShowDropDownList(); |
| void HideDropDownList(); |
| |
| CFWL_ComboEdit* GetComboEdit() const { return m_pEdit; } |
| |
| void ProcessSelChanged(bool bLButtonUp); |
| int32_t GetCurrentSelection() const { return m_iCurSel; } |
| |
| private: |
| explicit CFWL_ComboBox(CFWL_App* pApp); |
| |
| bool IsDropDownStyle() const { |
| return !!(GetStyleExts() & FWL_STYLEEXT_CMB_DropDown); |
| } |
| void MatchEditText(); |
| void SyncEditText(int32_t iListItem); |
| void Layout(); |
| void ResetEditAlignment(); |
| void ResetListItemAlignment(); |
| void GetPopupPos(float fMinHeight, |
| float fMaxHeight, |
| const CFX_RectF& rtAnchor, |
| CFX_RectF* pPopupRect); |
| void OnLButtonUp(CFWL_MessageMouse* pMsg); |
| bool IsDropListVisible() const { return m_pListBox->IsVisible(); } |
| void OnLButtonDown(CFWL_MessageMouse* pMsg); |
| void OnFocusGained(); |
| void OnFocusLost(); |
| void OnKey(CFWL_MessageKey* pMsg); |
| void RepaintInflatedListBoxRect(); |
| |
| CFX_RectF m_ClientRect; |
| CFX_RectF m_ContentRect; |
| CFX_RectF m_BtnRect; |
| cppgc::Member<CFWL_ComboEdit> const m_pEdit; |
| cppgc::Member<CFWL_ComboList> const m_pListBox; |
| int32_t m_iCurSel = -1; |
| Mask<CFWL_PartState> m_iBtnState = CFWL_PartState::kNormal; |
| }; |
| |
| #endif // XFA_FWL_CFWL_COMBOBOX_H_ |