// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FWL_BASEWIDGET_FWL_LISTBOXIMP_H_
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#define XFA_FWL_BASEWIDGET_FWL_LISTBOXIMP_H_
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#include <memory>
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#include "xfa/fwl/basewidget/ifwl_combobox.h"
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#include "xfa/fwl/basewidget/ifwl_edit.h"
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#include "xfa/fwl/basewidget/ifwl_listbox.h"
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#include "xfa/fwl/basewidget/ifwl_scrollbar.h"
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#include "xfa/fwl/core/fwl_widgetimp.h"
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class CFWL_ListBoxImpDelegate;
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class CFWL_MsgKillFocus;
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class CFWL_MsgMouse;
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class CFWL_MsgMouseWheel;
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class CFWL_ListBoxImp : public CFWL_WidgetImp {
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public:
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CFWL_ListBoxImp(const CFWL_WidgetImpProperties& properties,
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IFWL_Widget* pOuter);
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~CFWL_ListBoxImp() override;
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// CFWL_WidgetImp
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FWL_Error GetClassName(CFX_WideString& wsClass) const override;
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FWL_Type GetClassID() const override;
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FWL_Error Initialize() override;
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FWL_Error Finalize() override;
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FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
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FWL_Error Update() override;
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FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
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FWL_Error DrawWidget(CFX_Graphics* pGraphics,
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const CFX_Matrix* pMatrix = nullptr) override;
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FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
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int32_t CountSelItems();
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IFWL_ListItem* GetSelItem(int32_t nIndexSel);
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int32_t GetSelIndex(int32_t nIndex);
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FWL_Error SetSelItem(IFWL_ListItem* hItem, FX_BOOL bSelect = TRUE);
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FWL_Error GetItemText(IFWL_ListItem* hItem, CFX_WideString& wsText);
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FWL_Error GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert = TRUE);
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FWL_Error* Sort(IFWL_ListBoxCompare* pCom);
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protected:
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friend class CFWL_ListBoxImpDelegate;
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IFWL_ListItem* GetItem(IFWL_ListItem* hItem, uint32_t dwKeyCode);
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void SetSelection(IFWL_ListItem* hStart,
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IFWL_ListItem* hEnd,
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FX_BOOL bSelected);
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void SetSelectionDirect(IFWL_ListItem* hItem, FX_BOOL bSelect);
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FX_BOOL IsItemSelected(IFWL_ListItem* hItem);
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void ClearSelection();
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void SelectAll();
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IFWL_ListItem* GetFocusedItem();
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void SetFocusItem(IFWL_ListItem* hItem);
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IFWL_ListItem* GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy);
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FX_BOOL GetItemCheckRect(IFWL_ListItem* hItem, CFX_RectF& rtCheck);
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FX_BOOL SetItemChecked(IFWL_ListItem* hItem, FX_BOOL bChecked);
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FX_BOOL GetItemChecked(IFWL_ListItem* hItem);
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FX_BOOL ScrollToVisible(IFWL_ListItem* hItem);
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void DrawBkground(CFX_Graphics* pGraphics,
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IFWL_ThemeProvider* pTheme,
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const CFX_Matrix* pMatrix = nullptr);
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void DrawItems(CFX_Graphics* pGraphics,
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IFWL_ThemeProvider* pTheme,
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const CFX_Matrix* pMatrix = nullptr);
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void DrawItem(CFX_Graphics* pGraphics,
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IFWL_ThemeProvider* pTheme,
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IFWL_ListItem* hItem,
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int32_t Index,
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const CFX_RectF& rtItem,
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const CFX_Matrix* pMatrix = nullptr);
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void DrawStatic(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme);
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CFX_SizeF CalcSize(FX_BOOL bAutoSize = FALSE);
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void GetItemSize(CFX_SizeF& size,
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IFWL_ListItem* hItem,
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FX_FLOAT fWidth,
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FX_FLOAT fHeight,
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FX_BOOL bAutoSize = FALSE);
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FX_FLOAT GetMaxTextWidth();
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FX_FLOAT GetScrollWidth();
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FX_FLOAT GetItemHeigt();
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void InitScrollBar(FX_BOOL bVert = TRUE);
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FX_BOOL IsShowScrollBar(FX_BOOL bVert);
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void ProcessSelChanged();
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CFX_RectF m_rtClient;
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CFX_RectF m_rtStatic;
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CFX_RectF m_rtConent;
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std::unique_ptr<IFWL_ScrollBar> m_pHorzScrollBar;
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std::unique_ptr<IFWL_ScrollBar> m_pVertScrollBar;
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uint32_t m_dwTTOStyles;
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int32_t m_iTTOAligns;
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IFWL_ListItem* m_hAnchor;
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FX_FLOAT m_fItemHeight;
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FX_FLOAT m_fScorllBarWidth;
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FX_BOOL m_bLButtonDown;
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IFWL_ThemeProvider* m_pScrollBarTP;
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};
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class CFWL_ListBoxImpDelegate : public CFWL_WidgetImpDelegate {
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public:
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CFWL_ListBoxImpDelegate(CFWL_ListBoxImp* pOwner);
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void OnProcessMessage(CFWL_Message* pMessage) override;
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void OnProcessEvent(CFWL_Event* pEvent) override;
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void OnDrawWidget(CFX_Graphics* pGraphics,
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const CFX_Matrix* pMatrix = nullptr) override;
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protected:
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void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
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void OnLButtonDown(CFWL_MsgMouse* pMsg);
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void OnLButtonUp(CFWL_MsgMouse* pMsg);
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void OnMouseWheel(CFWL_MsgMouseWheel* pMsg);
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void OnKeyDown(CFWL_MsgKey* pMsg);
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void OnVK(IFWL_ListItem* hItem, FX_BOOL bShift, FX_BOOL bCtrl);
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FX_BOOL OnScroll(IFWL_ScrollBar* pScrollBar, uint32_t dwCode, FX_FLOAT fPos);
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void DispatchSelChangedEv();
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CFWL_ListBoxImp* m_pOwner;
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};
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#endif // XFA_FWL_BASEWIDGET_FWL_LISTBOXIMP_H_
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