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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 XFA_FWL_BASEWIDGET_FWL_LISTBOXIMP_H_
#define XFA_FWL_BASEWIDGET_FWL_LISTBOXIMP_H_
#include <memory>
#include "xfa/fwl/basewidget/ifwl_combobox.h"
#include "xfa/fwl/basewidget/ifwl_edit.h"
#include "xfa/fwl/basewidget/ifwl_listbox.h"
#include "xfa/fwl/basewidget/ifwl_scrollbar.h"
#include "xfa/fwl/core/fwl_widgetimp.h"
class CFWL_ListBoxImpDelegate;
class CFWL_MsgKillFocus;
class CFWL_MsgMouse;
class CFWL_MsgMouseWheel;
class CFWL_ListBoxImp : public CFWL_WidgetImp {
public:
CFWL_ListBoxImp(const CFWL_WidgetImpProperties& properties,
IFWL_Widget* pOuter);
~CFWL_ListBoxImp() override;
// CFWL_WidgetImp
FWL_Error GetClassName(CFX_WideString& wsClass) const override;
FWL_Type GetClassID() const override;
FWL_Error Initialize() override;
FWL_Error Finalize() override;
FWL_Error GetWidgetRect(CFX_RectF& rect, FX_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;
int32_t CountSelItems();
IFWL_ListItem* GetSelItem(int32_t nIndexSel);
int32_t GetSelIndex(int32_t nIndex);
FWL_Error SetSelItem(IFWL_ListItem* hItem, FX_BOOL bSelect = TRUE);
FWL_Error GetItemText(IFWL_ListItem* hItem, CFX_WideString& wsText);
FWL_Error GetScrollPos(FX_FLOAT& fPos, FX_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,
FX_BOOL bSelected);
void SetSelectionDirect(IFWL_ListItem* hItem, FX_BOOL bSelect);
FX_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);
FX_BOOL GetItemCheckRect(IFWL_ListItem* hItem, CFX_RectF& rtCheck);
FX_BOOL SetItemChecked(IFWL_ListItem* hItem, FX_BOOL bChecked);
FX_BOOL GetItemChecked(IFWL_ListItem* hItem);
FX_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(FX_BOOL bAutoSize = FALSE);
void GetItemSize(CFX_SizeF& size,
IFWL_ListItem* 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);
FX_BOOL IsShowScrollBar(FX_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;
FX_BOOL m_bLButtonDown;
IFWL_ThemeProvider* m_pScrollBarTP;
};
class CFWL_ListBoxImpDelegate : public CFWL_WidgetImpDelegate {
public:
CFWL_ListBoxImpDelegate(CFWL_ListBoxImp* pOwner);
void OnProcessMessage(CFWL_Message* pMessage) override;
void OnProcessEvent(CFWL_Event* pEvent) override;
void OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix = nullptr) override;
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(IFWL_ListItem* hItem, FX_BOOL bShift, FX_BOOL bCtrl);
FX_BOOL OnScroll(IFWL_ScrollBar* pScrollBar, uint32_t dwCode, FX_FLOAT fPos);
void DispatchSelChangedEv();
CFWL_ListBoxImp* m_pOwner;
};
#endif // XFA_FWL_BASEWIDGET_FWL_LISTBOXIMP_H_
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