| // 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_LISTBOX_H_ |
| #define XFA_FWL_CORE_IFWL_LISTBOX_H_ |
| |
| #include <memory> |
| |
| #include "xfa/fwl/core/cfwl_event.h" |
| #include "xfa/fwl/core/cfwl_widgetproperties.h" |
| #include "xfa/fwl/core/ifwl_dataprovider.h" |
| #include "xfa/fwl/core/ifwl_edit.h" |
| #include "xfa/fwl/core/ifwl_listbox.h" |
| #include "xfa/fwl/core/ifwl_widget.h" |
| |
| #define FWL_STYLEEXT_LTB_MultiSelection (1L << 0) |
| #define FWL_STYLEEXT_LTB_ShowScrollBarAlaways (1L << 2) |
| #define FWL_STYLEEXT_LTB_MultiColumn (1L << 3) |
| #define FWL_STYLEEXT_LTB_LeftAlign (0L << 4) |
| #define FWL_STYLEEXT_LTB_CenterAlign (1L << 4) |
| #define FWL_STYLEEXT_LTB_RightAlign (2L << 4) |
| #define FWL_STYLEEXT_LTB_MultiLine (1L << 6) |
| #define FWL_STYLEEXT_LTB_OwnerDraw (1L << 7) |
| #define FWL_STYLEEXT_LTB_Icon (1L << 8) |
| #define FWL_STYLEEXT_LTB_Check (1L << 9) |
| #define FWL_STYLEEXT_LTB_AlignMask (3L << 4) |
| #define FWL_STYLEEXT_LTB_ShowScrollBarFocus (1L << 10) |
| #define FWL_ITEMSTATE_LTB_Selected (1L << 0) |
| #define FWL_ITEMSTATE_LTB_Focused (1L << 1) |
| #define FWL_ITEMSTATE_LTB_Checked (1L << 2) |
| |
| class CFWL_MsgKillFocus; |
| class CFWL_MsgMouse; |
| class CFWL_MsgMouseWheel; |
| class CFX_DIBitmap; |
| |
| FWL_EVENT_DEF(CFWL_EvtLtbSelChanged, |
| CFWL_EventType::SelectChanged, |
| CFX_Int32Array iarraySels;) |
| |
| FWL_EVENT_DEF(CFWL_EvtLtbDrawItem, |
| CFWL_EventType::DrawItem, |
| CFX_Graphics* m_pGraphics; |
| CFX_Matrix m_matrix; |
| int32_t m_index; |
| CFX_RectF m_rect;) |
| |
| class IFWL_ListItem {}; |
| |
| class IFWL_ListBoxDP : public IFWL_DataProvider { |
| public: |
| virtual int32_t CountItems(const IFWL_Widget* pWidget) = 0; |
| virtual IFWL_ListItem* GetItem(const IFWL_Widget* pWidget, |
| int32_t nIndex) = 0; |
| virtual int32_t GetItemIndex(IFWL_Widget* pWidget, IFWL_ListItem* pItem) = 0; |
| virtual bool SetItemIndex(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| int32_t nIndex) = 0; |
| virtual uint32_t GetItemStyles(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem) = 0; |
| virtual FWL_Error GetItemText(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| CFX_WideString& wsText) = 0; |
| virtual FWL_Error GetItemRect(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| CFX_RectF& rtItem) = 0; |
| virtual void* GetItemData(IFWL_Widget* pWidget, IFWL_ListItem* pItem) = 0; |
| virtual FWL_Error SetItemStyles(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| uint32_t dwStyle) = 0; |
| virtual FWL_Error SetItemText(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| const FX_WCHAR* pszText) = 0; |
| virtual FWL_Error SetItemRect(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| const CFX_RectF& rtItem) = 0; |
| virtual FX_FLOAT GetItemHeight(IFWL_Widget* pWidget) = 0; |
| virtual CFX_DIBitmap* GetItemIcon(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem) = 0; |
| virtual FWL_Error GetItemCheckRect(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| CFX_RectF& rtCheck) = 0; |
| virtual FWL_Error SetItemCheckRect(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| const CFX_RectF& rtCheck) = 0; |
| virtual uint32_t GetItemCheckState(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem) = 0; |
| virtual FWL_Error SetItemCheckState(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| uint32_t dwCheckState) = 0; |
| }; |
| |
| class IFWL_ListBoxCompare { |
| public: |
| virtual ~IFWL_ListBoxCompare() {} |
| virtual int32_t Compare(IFWL_ListItem* hLeft, IFWL_ListItem* hRight) = 0; |
| }; |
| |
| class IFWL_ListBox : public IFWL_Widget { |
| public: |
| IFWL_ListBox(const IFWL_App* app, |
| std::unique_ptr<CFWL_WidgetProperties> properties, |
| IFWL_Widget* pOuter); |
| ~IFWL_ListBox() override; |
| |
| // IFWL_Widget |
| FWL_Type GetClassID() const override; |
| FWL_Error GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) 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 CountSelItems(); |
| IFWL_ListItem* GetSelItem(int32_t nIndexSel); |
| int32_t GetSelIndex(int32_t nIndex); |
| FWL_Error SetSelItem(IFWL_ListItem* hItem, bool bSelect = true); |
| FWL_Error GetItemText(IFWL_ListItem* hItem, CFX_WideString& wsText); |
| FWL_Error GetScrollPos(FX_FLOAT& fPos, bool bVert = true); |
| FWL_Error* Sort(IFWL_ListBoxCompare* pCom); |
| |
| protected: |
| friend class CFWL_ListBoxImpDelegate; |
| |
| IFWL_ListItem* GetItem(IFWL_ListItem* hItem, uint32_t dwKeyCode); |
| void SetSelection(IFWL_ListItem* hStart, IFWL_ListItem* hEnd, bool bSelected); |
| void SetSelectionDirect(IFWL_ListItem* hItem, bool bSelect); |
| bool IsItemSelected(IFWL_ListItem* hItem); |
| void ClearSelection(); |
| void SelectAll(); |
| IFWL_ListItem* GetFocusedItem(); |
| void SetFocusItem(IFWL_ListItem* hItem); |
| IFWL_ListItem* GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy); |
| bool GetItemCheckRect(IFWL_ListItem* hItem, CFX_RectF& rtCheck); |
| bool SetItemChecked(IFWL_ListItem* hItem, bool bChecked); |
| bool GetItemChecked(IFWL_ListItem* hItem); |
| bool ScrollToVisible(IFWL_ListItem* hItem); |
| void DrawBkground(CFX_Graphics* pGraphics, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix = nullptr); |
| void DrawItems(CFX_Graphics* pGraphics, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix = nullptr); |
| void DrawItem(CFX_Graphics* pGraphics, |
| IFWL_ThemeProvider* pTheme, |
| IFWL_ListItem* hItem, |
| int32_t Index, |
| const CFX_RectF& rtItem, |
| const CFX_Matrix* pMatrix = nullptr); |
| void DrawStatic(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme); |
| CFX_SizeF CalcSize(bool bAutoSize = false); |
| void GetItemSize(CFX_SizeF& size, |
| IFWL_ListItem* hItem, |
| FX_FLOAT fWidth, |
| FX_FLOAT fHeight, |
| bool bAutoSize = false); |
| FX_FLOAT GetMaxTextWidth(); |
| FX_FLOAT GetScrollWidth(); |
| FX_FLOAT GetItemHeigt(); |
| void InitScrollBar(bool bVert = true); |
| bool IsShowScrollBar(bool bVert); |
| void ProcessSelChanged(); |
| |
| CFX_RectF m_rtClient; |
| CFX_RectF m_rtStatic; |
| CFX_RectF m_rtConent; |
| std::unique_ptr<IFWL_ScrollBar> m_pHorzScrollBar; |
| std::unique_ptr<IFWL_ScrollBar> m_pVertScrollBar; |
| uint32_t m_dwTTOStyles; |
| int32_t m_iTTOAligns; |
| IFWL_ListItem* m_hAnchor; |
| FX_FLOAT m_fItemHeight; |
| FX_FLOAT m_fScorllBarWidth; |
| bool m_bLButtonDown; |
| IFWL_ThemeProvider* m_pScrollBarTP; |
| |
| private: |
| void OnFocusChanged(CFWL_Message* pMsg, bool bSet = true); |
| void OnLButtonDown(CFWL_MsgMouse* pMsg); |
| void OnLButtonUp(CFWL_MsgMouse* pMsg); |
| void OnMouseWheel(CFWL_MsgMouseWheel* pMsg); |
| void OnKeyDown(CFWL_MsgKey* pMsg); |
| void OnVK(IFWL_ListItem* hItem, bool bShift, bool bCtrl); |
| bool OnScroll(IFWL_ScrollBar* pScrollBar, uint32_t dwCode, FX_FLOAT fPos); |
| void DispatchSelChangedEv(); |
| }; |
| |
| #endif // XFA_FWL_CORE_IFWL_LISTBOX_H_ |
