| // 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_LISTBOX_H_ |
| #define XFA_FWL_CFWL_LISTBOX_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "xfa/fwl/cfwl_edit.h" |
| #include "xfa/fwl/cfwl_event.h" |
| #include "xfa/fwl/cfwl_listbox.h" |
| #include "xfa/fwl/cfwl_listitem.h" |
| #include "xfa/fwl/cfwl_widget.h" |
| #include "xfa/fwl/cfwl_widgetproperties.h" |
| |
| #define FWL_STYLEEXT_LTB_MultiSelection (1L << 0) |
| #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_AlignMask (3L << 4) |
| #define FWL_STYLEEXT_LTB_ShowScrollBarFocus (1L << 10) |
| #define FWL_ITEMSTATE_LTB_Selected (1L << 0) |
| #define FWL_ITEMSTATE_LTB_Focused (1L << 1) |
| |
| class CFWL_MessageKillFocus; |
| class CFWL_MessageMouse; |
| class CFWL_MessageMouseWheel; |
| class CFX_DIBitmap; |
| |
| class CFWL_ListBox : public CFWL_Widget { |
| public: |
| explicit CFWL_ListBox(const CFWL_App* pApp, |
| std::unique_ptr<CFWL_WidgetProperties> properties, |
| CFWL_Widget* pOuter); |
| ~CFWL_ListBox() override; |
| |
| // CFWL_Widget |
| FWL_Type GetClassID() const override; |
| void Update() override; |
| FWL_WidgetHit HitTest(const CFX_PointF& point) override; |
| void DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) override; |
| void 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 CountItems(const CFWL_Widget* pWidget) const; |
| CFWL_ListItem* GetItem(const CFWL_Widget* pWidget, int32_t nIndex) const; |
| int32_t GetItemIndex(CFWL_Widget* pWidget, CFWL_ListItem* pItem); |
| |
| CFWL_ListItem* AddString(const CFX_WideStringC& wsAdd); |
| void RemoveAt(int32_t iIndex); |
| void DeleteString(CFWL_ListItem* pItem); |
| void DeleteAll(); |
| |
| int32_t CountSelItems(); |
| CFWL_ListItem* GetSelItem(int32_t nIndexSel); |
| int32_t GetSelIndex(int32_t nIndex); |
| void SetSelItem(CFWL_ListItem* hItem, bool bSelect); |
| |
| float GetItemHeight() const { return m_fItemHeight; } |
| float CalcItemHeight(); |
| |
| protected: |
| CFWL_ListItem* GetListItem(CFWL_ListItem* hItem, uint32_t dwKeyCode); |
| void SetSelection(CFWL_ListItem* hStart, CFWL_ListItem* hEnd, bool bSelected); |
| CFWL_ListItem* GetItemAtPoint(const CFX_PointF& point); |
| bool ScrollToVisible(CFWL_ListItem* hItem); |
| void InitVerticalScrollBar(); |
| void InitHorizontalScrollBar(); |
| bool IsShowScrollBar(bool bVert); |
| CFWL_ScrollBar* GetVertScrollBar() const { return m_pVertScrollBar.get(); } |
| const CFX_RectF& GetRTClient() const { return m_rtClient; } |
| |
| private: |
| void SetSelectionDirect(CFWL_ListItem* hItem, bool bSelect); |
| bool IsMultiSelection() const; |
| bool IsItemSelected(CFWL_ListItem* hItem); |
| void ClearSelection(); |
| void SelectAll(); |
| CFWL_ListItem* GetFocusedItem(); |
| void SetFocusItem(CFWL_ListItem* hItem); |
| void DrawBkground(CFX_Graphics* pGraphics, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix); |
| void DrawItems(CFX_Graphics* pGraphics, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix); |
| void DrawItem(CFX_Graphics* pGraphics, |
| IFWL_ThemeProvider* pTheme, |
| CFWL_ListItem* hItem, |
| int32_t Index, |
| const CFX_RectF& rtItem, |
| const CFX_Matrix* pMatrix); |
| void DrawStatic(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme); |
| CFX_SizeF CalcSize(bool bAutoSize); |
| void UpdateItemSize(CFWL_ListItem* hItem, |
| CFX_SizeF& size, |
| float fWidth, |
| float fHeight, |
| bool bAutoSize) const; |
| float GetMaxTextWidth(); |
| float GetScrollWidth(); |
| |
| void OnFocusChanged(CFWL_Message* pMsg, bool bSet); |
| void OnLButtonDown(CFWL_MessageMouse* pMsg); |
| void OnLButtonUp(CFWL_MessageMouse* pMsg); |
| void OnMouseWheel(CFWL_MessageMouseWheel* pMsg); |
| void OnKeyDown(CFWL_MessageKey* pMsg); |
| void OnVK(CFWL_ListItem* hItem, bool bShift, bool bCtrl); |
| bool OnScroll(CFWL_ScrollBar* pScrollBar, |
| CFWL_EventScroll::Code dwCode, |
| float fPos); |
| |
| CFX_RectF m_rtClient; |
| CFX_RectF m_rtStatic; |
| CFX_RectF m_rtConent; |
| std::unique_ptr<CFWL_ScrollBar> m_pHorzScrollBar; |
| std::unique_ptr<CFWL_ScrollBar> m_pVertScrollBar; |
| uint32_t m_dwTTOStyles; |
| int32_t m_iTTOAligns; |
| CFWL_ListItem* m_hAnchor; |
| float m_fItemHeight; |
| float m_fScorllBarWidth; |
| bool m_bLButtonDown; |
| IFWL_ThemeProvider* m_pScrollBarTP; |
| std::vector<std::unique_ptr<CFWL_ListItem>> m_ItemArray; |
| }; |
| |
| #endif // XFA_FWL_CFWL_LISTBOX_H_ |