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// 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 _FWL_LISTBOX_IMP_H
#define _FWL_LISTBOX_IMP_H
class CFWL_WidgetImp;
class CFWL_WidgetImpProperties;
class CFWL_WidgetImpDelegate;
class CFWL_ScrollBarImp;
class IFWL_Widget;
class CFWL_ListBoxImp;
class CFWL_ListBoxImpDelegate;
class CFWL_ListBoxImp : public CFWL_WidgetImp
{
public:
CFWL_ListBoxImp(IFWL_Widget *pOuter = NULL);
CFWL_ListBoxImp(const CFWL_WidgetImpProperties &properties, IFWL_Widget *pOuter = NULL);
~CFWL_ListBoxImp();
virtual FWL_ERR GetClassName(CFX_WideString &wsClass) const;
virtual FX_DWORD GetClassID() const;
virtual FWL_ERR Initialize();
virtual FWL_ERR Finalize();
virtual FWL_ERR GetWidgetRect(CFX_RectF &rect, FX_BOOL bAutoSize = FALSE);
virtual FWL_ERR Update();
virtual FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy);
virtual FWL_ERR DrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix = NULL);
virtual FWL_ERR SetThemeProvider(IFWL_ThemeProvider *pThemeProvider);
virtual int32_t CountSelItems();
virtual FWL_HLISTITEM GetSelItem(int32_t nIndexSel);
virtual int32_t GetSelIndex(int32_t nIndex);
virtual FWL_ERR SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect = TRUE);
virtual FWL_ERR GetItemText(FWL_HLISTITEM hItem, CFX_WideString &wsText);
virtual FWL_ERR GetScrollPos(FX_FLOAT &fPos, FX_BOOL bVert = TRUE);
virtual FWL_ERR* Sort(IFWL_ListBoxCompare *pCom);
protected:
FWL_HLISTITEM GetItem(FWL_HLISTITEM hItem, FX_DWORD dwKeyCode);
void SetSelection(FWL_HLISTITEM hStart, FWL_HLISTITEM hEnd, FX_BOOL bSelected);
void SetSelectionDirect(FWL_HLISTITEM hItem, FX_BOOL bSelect);
FX_BOOL IsItemSelected(FWL_HLISTITEM hItem);
void ClearSelection();
void SelectAll();
FWL_HLISTITEM GetFocusedItem();
void SetFocusItem(FWL_HLISTITEM hItem);
FWL_HLISTITEM GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy);
FX_BOOL GetItemCheckRect(FWL_HLISTITEM hItem, CFX_RectF &rtCheck);
FX_BOOL SetItemChecked(FWL_HLISTITEM hItem, FX_BOOL bChecked);
FX_BOOL GetItemChecked(FWL_HLISTITEM hItem);
FX_BOOL ScrollToVisible(FWL_HLISTITEM hItem);
void DrawBkground(CFX_Graphics *pGraphics, IFWL_ThemeProvider *pTheme, const CFX_Matrix *pMatrix = NULL);
void DrawItems(CFX_Graphics *pGraphics, IFWL_ThemeProvider *pTheme, const CFX_Matrix *pMatrix = NULL);
void DrawItem(CFX_Graphics *pGraphics, IFWL_ThemeProvider *pTheme, FWL_HLISTITEM hItem, int32_t Index, const CFX_RectF &rtItem, const CFX_Matrix *pMatrix = NULL);
void DrawStatic(CFX_Graphics *pGraphics, IFWL_ThemeProvider *pTheme);
CFX_SizeF CalcSize(FX_BOOL bAutoSize = FALSE);
void GetItemSize(CFX_SizeF &size, FWL_HLISTITEM hItem, FX_FLOAT fWidth, FX_FLOAT fHeight, FX_BOOL bAutoSize = FALSE);
FX_FLOAT GetMaxTextWidth();
FX_FLOAT GetScrollWidth();
FX_FLOAT GetItemHeigt();
void InitScrollBar(FX_BOOL bVert = TRUE);
void SortItem();
FX_BOOL IsShowScrollBar(FX_BOOL bVert);
void ProcessSelChanged();
protected:
CFX_RectF m_rtClient;
CFX_RectF m_rtStatic;
CFX_RectF m_rtConent;
IFWL_ScrollBar* m_pHorzScrollBar;
IFWL_ScrollBar* m_pVertScrollBar;
FX_DWORD m_dwTTOStyles;
int32_t m_iTTOAligns;
FWL_HLISTITEM m_hAnchor;
FX_FLOAT m_fItemHeight;
FX_FLOAT m_fScorllBarWidth;
FX_BOOL m_bLButtonDown;
IFWL_ThemeProvider *m_pScrollBarTP;
friend class CFWL_ListBoxImpDelegate;
};
class CFWL_ListBoxImpDelegate : public CFWL_WidgetImpDelegate
{
public:
CFWL_ListBoxImpDelegate(CFWL_ListBoxImp *pOwner);
virtual int32_t OnProcessMessage(CFWL_Message *pMessage);
virtual FWL_ERR OnProcessEvent(CFWL_Event *pEvent);
virtual FWL_ERR OnDrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix = NULL);
protected:
void OnFocusChanged(CFWL_Message *pMsg, FX_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(FWL_HLISTITEM hItem, FX_BOOL bShift, FX_BOOL bCtrl);
FX_BOOL OnScroll(IFWL_ScrollBar *pScrollBar, FX_DWORD dwCode, FX_FLOAT fPos);
void DispatchSelChangedEv();
CFWL_ListBoxImp *m_pOwner;
};
#endif
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