| // 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_CORE_IFWL_COMBOBOX_H_ |
| #define XFA_FWL_CORE_IFWL_COMBOBOX_H_ |
| |
| #include "xfa/fwl/core/ifwl_form.h" |
| #include "xfa/fwl/core/ifwl_listbox.h" |
| #include "xfa/fxgraphics/cfx_graphics.h" |
| |
| class CFWL_WidgetImpProperties; |
| class IFWL_ComboBox; |
| class IFWL_ComboBoxProxy; |
| class IFWL_ComboEdit; |
| class IFWL_ComboList; |
| class IFWL_FormProxy; |
| class IFWL_ListBox; |
| class IFWL_Widget; |
| |
| #define FWL_STYLEEXT_CMB_DropList (0L << 0) |
| #define FWL_STYLEEXT_CMB_DropDown (1L << 0) |
| #define FWL_STYLEEXT_CMB_Sort (1L << 1) |
| #define FWL_STYLEEXT_CMB_ListDrag (1L << 2) |
| #define FWL_STYLEEXT_CMB_OwnerDraw (1L << 3) |
| #define FWL_STYLEEXT_CMB_EditHNear (0L << 4) |
| #define FWL_STYLEEXT_CMB_EditHCenter (1L << 4) |
| #define FWL_STYLEEXT_CMB_EditHFar (2L << 4) |
| #define FWL_STYLEEXT_CMB_EditVNear (0L << 6) |
| #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_EditDistributed (2L << 8) |
| #define FWL_STYLEEXT_CMB_EditHAlignMask (3L << 4) |
| #define FWL_STYLEEXT_CMB_EditVAlignMask (3L << 6) |
| #define FWL_STYLEEXT_CMB_EditHAlignModeMask (3L << 8) |
| #define FWL_STYLEEXT_CMB_ListItemLeftAlign (0L << 10) |
| #define FWL_STYLEEXT_CMB_ListItemCenterAlign (1L << 10) |
| #define FWL_STYLEEXT_CMB_ListItemRightAlign (2L << 10) |
| #define FWL_STYLEEXT_CMB_ListItemAlignMask (3L << 10) |
| #define FWL_STYLEEXT_CMB_ListItemText (0L << 12) |
| #define FWL_STYLEEXT_CMB_ListItemIconText (1L << 12) |
| #define FWL_STYLEEXT_CMB_ReadOnly (1L << 13) |
| |
| FWL_EVENT_DEF(CFWL_EvtCmbPreDropDown, CFWL_EventType::PreDropDown) |
| |
| FWL_EVENT_DEF(CFWL_EvtCmbPostDropDown, CFWL_EventType::PostDropDown) |
| |
| FWL_EVENT_DEF(CFWL_EvtCmbCloseUp, CFWL_EventType::CloseUp) |
| |
| FWL_EVENT_DEF(CFWL_EvtCmbEditChanged, |
| CFWL_EventType::EditChanged, |
| int32_t nChangeType; |
| CFX_WideString wsInsert; |
| CFX_WideString wsDelete;) |
| |
| FWL_EVENT_DEF(CFWL_EvtCmbSelChanged, |
| CFWL_EventType::SelectChanged, |
| CFX_Int32Array iArraySels; |
| bool bLButtonUp;) |
| |
| FWL_EVENT_DEF(CFWL_EvtCmbHoverChanged, |
| CFWL_EventType::HoverChanged, |
| int32_t m_iCurHover;) |
| |
| FWL_EVENT_DEF(CFWL_EvtCmbDrawItem, |
| CFWL_EventType::DrawItem, |
| CFX_Graphics* m_pGraphics; |
| CFX_Matrix m_matrix; |
| int32_t m_index; |
| CFX_RectF m_rtItem;) |
| |
| class IFWL_ComboBoxDP : public IFWL_ListBoxDP { |
| public: |
| virtual FX_FLOAT GetListHeight(IFWL_Widget* pWidget) = 0; |
| }; |
| |
| class IFWL_ComboBox : public IFWL_Widget { |
| public: |
| explicit IFWL_ComboBox(const IFWL_App* app, |
| const CFWL_WidgetImpProperties& properties); |
| ~IFWL_ComboBox() override; |
| |
| // IFWL_Widget |
| FWL_Type GetClassID() const override; |
| FWL_Error GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override; |
| FWL_Error ModifyStylesEx(uint32_t dwStylesExAdded, |
| uint32_t dwStylesExRemoved) override; |
| void SetStates(uint32_t dwStates, bool bSet = true) override; |
| FWL_Error Update() override; |
| FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override; |
| FWL_Error DrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix = nullptr) override; |
| FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override; |
| void OnProcessMessage(CFWL_Message* pMessage) override; |
| void OnProcessEvent(CFWL_Event* pEvent) override; |
| void OnDrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix) override; |
| |
| int32_t GetCurSel(); |
| FWL_Error SetCurSel(int32_t iSel); |
| FWL_Error SetEditText(const CFX_WideString& wsText); |
| int32_t GetEditTextLength() const; |
| FWL_Error GetEditText(CFX_WideString& wsText, |
| int32_t nStart = 0, |
| int32_t nCount = -1) const; |
| FWL_Error SetEditSelRange(int32_t nStart, int32_t nCount = -1); |
| int32_t GetEditSelRange(int32_t nIndex, int32_t& nStart); |
| int32_t GetEditLimit(); |
| FWL_Error SetEditLimit(int32_t nLimit); |
| FWL_Error EditDoClipboard(int32_t iCmd); |
| bool EditRedo(const IFDE_TxtEdtDoRecord* pRecord); |
| bool EditUndo(const IFDE_TxtEdtDoRecord* pRecord); |
| IFWL_ListBox* GetListBoxt(); |
| bool AfterFocusShowDropList(); |
| FWL_Error OpenDropDownList(bool bActivate); |
| bool EditCanUndo(); |
| bool EditCanRedo(); |
| bool EditUndo(); |
| bool EditRedo(); |
| bool EditCanCopy(); |
| bool EditCanCut(); |
| bool EditCanSelectAll(); |
| bool EditCopy(CFX_WideString& wsCopy); |
| bool EditCut(CFX_WideString& wsCut); |
| bool EditPaste(const CFX_WideString& wsPaste); |
| bool EditSelectAll(); |
| bool EditDelete(); |
| bool EditDeSelect(); |
| FWL_Error GetBBox(CFX_RectF& rect); |
| FWL_Error EditModifyStylesEx(uint32_t dwStylesExAdded, |
| uint32_t dwStylesExRemoved); |
| |
| void DrawStretchHandler(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix); |
| bool IsDropListShowed(); |
| void ShowDropList(bool bActivate); |
| |
| IFWL_ComboEdit* GetComboEdit() const { return m_pEdit.get(); } |
| void ProcessSelChanged(bool bLButtonUp); |
| int32_t GetCurrentSelection() const { return m_iCurSel; } |
| |
| protected: |
| FX_FLOAT GetListHeight(); |
| bool IsDropDownStyle() const; |
| void MatchEditText(); |
| void SynchrEditText(int32_t iListItem); |
| void Layout(); |
| void ReSetTheme(); |
| void ReSetEditAlignment(); |
| void ReSetListItemAlignment(); |
| void InitProxyForm(); |
| void DisForm_InitComboList(); |
| void DisForm_InitComboEdit(); |
| void DisForm_ShowDropList(bool bActivate); |
| bool DisForm_IsDropListShowed(); |
| FWL_Error DisForm_ModifyStylesEx(uint32_t dwStylesExAdded, |
| uint32_t dwStylesExRemoved); |
| FWL_Error DisForm_Update(); |
| FWL_WidgetHit DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy); |
| FWL_Error DisForm_DrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix = nullptr); |
| FWL_Error DisForm_GetBBox(CFX_RectF& rect); |
| void DisForm_Layout(); |
| |
| 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<IFWL_ComboEdit> m_pEdit; |
| std::unique_ptr<IFWL_ComboList> m_pListBox; |
| IFWL_ComboBoxProxy* m_pComboBoxProxy; |
| bool m_bLButtonDown; |
| bool m_bUpFormHandler; |
| int32_t m_iCurSel; |
| int32_t m_iBtnState; |
| FX_FLOAT m_fComboFormHandler; |
| FX_FLOAT m_fItemHeight; |
| bool m_bNeedShowList; |
| |
| private: |
| void OnFocusChanged(CFWL_Message* pMsg, bool bSet = true); |
| void OnLButtonDown(CFWL_MsgMouse* pMsg); |
| void OnLButtonUp(CFWL_MsgMouse* pMsg); |
| void OnMouseMove(CFWL_MsgMouse* pMsg); |
| void OnMouseLeave(CFWL_MsgMouse* pMsg); |
| void OnKey(CFWL_MsgKey* pMsg); |
| void DoSubCtrlKey(CFWL_MsgKey* pMsg); |
| void DisForm_OnProcessMessage(CFWL_Message* pMessage); |
| void DisForm_OnLButtonDown(CFWL_MsgMouse* pMsg); |
| void DisForm_OnFocusChanged(CFWL_Message* pMsg, bool bSet = true); |
| void DisForm_OnKey(CFWL_MsgKey* pMsg); |
| |
| }; |
| |
| #endif // XFA_FWL_CORE_IFWL_COMBOBOX_H_ |