Merge IFWL and CFWL classes.

xfa/fwl/core/cfwl_listbox.h

 // 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_CFWL_LISTBOX_H_
 #define XFA_FWL_CORE_CFWL_LISTBOX_H_
 
 #include <memory>
 #include <vector>
 
+#include "xfa/fwl/core/cfwl_edit.h"
+#include "xfa/fwl/core/cfwl_event.h"
+#include "xfa/fwl/core/cfwl_listbox.h"
 #include "xfa/fwl/core/cfwl_listitem.h"
 #include "xfa/fwl/core/cfwl_widget.h"
-#include "xfa/fwl/core/fwl_error.h"
+#include "xfa/fwl/core/cfwl_widgetproperties.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;
 
 class CFWL_ListBox : public CFWL_Widget {
  public:
-  explicit CFWL_ListBox(const CFWL_App* pApp);
+  explicit CFWL_ListBox(const CFWL_App* pApp,
+                        std::unique_ptr<CFWL_WidgetProperties> properties,
+                        CFWL_Widget* pOuter);
   ~CFWL_ListBox() override;
 
-  void Initialize();
+  // CFWL_Widget
+  FWL_Type GetClassID() const override;
+  void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override;
+  void Update() override;
+  FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
+  void DrawWidget(CFX_Graphics* pGraphics,
+                  const CFX_Matrix* pMatrix = nullptr) 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;
 
-  CFWL_ListItem* GetItem(const IFWL_Widget* pWidget, int32_t nIndex) const;
-  void GetItemText(IFWL_Widget* pWidget,
+  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);
+  uint32_t GetItemStyles(CFWL_Widget* pWidget, CFWL_ListItem* pItem);
+  uint32_t GetItemStates(CFWL_ListItem* pItem);
+  void GetItemText(CFWL_Widget* pWidget,
                    CFWL_ListItem* pItem,
                    CFX_WideString& wsText);
-
+  void GetItemRect(CFWL_Widget* pWidget,
+                   CFWL_ListItem* pItem,
+                   CFX_RectF& rtItem);
+  void* GetItemData(CFWL_Widget* pWidget, CFWL_ListItem* pItem);
+  void SetItemStyles(CFWL_Widget* pWidget,
+                     CFWL_ListItem* pItem,
+                     uint32_t dwStyle);
+  void SetItemRect(CFWL_Widget* pWidget,
+                   CFWL_ListItem* pItem,
+                   const CFX_RectF& rtItem);
+  CFX_DIBitmap* GetItemIcon(CFWL_Widget* pWidget, CFWL_ListItem* pItem);
+  void GetItemCheckRect(CFWL_Widget* pWidget,
+                        CFWL_ListItem* pItem,
+                        CFX_RectF& rtCheck);
+  void SetItemCheckRect(CFWL_Widget* pWidget,
+                        CFWL_ListItem* pItem,
+                        const CFX_RectF& rtCheck);
+  uint32_t GetItemCheckState(CFWL_Widget* pWidget, CFWL_ListItem* pItem);
+  void SetItemCheckState(CFWL_Widget* pWidget,
+                         CFWL_ListItem* pItem,
+                         uint32_t dwCheckState);
   CFWL_ListItem* AddString(const CFX_WideStringC& wsAdd, bool bSelect = false);
+  bool RemoveAt(int32_t iIndex);
   bool DeleteString(CFWL_ListItem* pItem);
   void DeleteAll();
+
   int32_t CountSelItems();
-  void SetSelItem(CFWL_ListItem* pItem, bool bSelect = true);
   CFWL_ListItem* GetSelItem(int32_t nIndexSel);
   int32_t GetSelIndex(int32_t nIndex);
+  void SetSelItem(CFWL_ListItem* hItem, bool bSelect = true);
+  void GetDataProviderItemText(CFWL_ListItem* hItem, CFX_WideString& wsText);
 
-  uint32_t GetItemStates(CFWL_ListItem* pItem);
+  FX_FLOAT GetItemHeight() const { return m_fItemHeight; }
+  FX_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(FX_FLOAT fx, FX_FLOAT fy);
+  bool ScrollToVisible(CFWL_ListItem* hItem);
+  void InitScrollBar(bool bVert = true);
+  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 IsItemSelected(CFWL_ListItem* hItem);
+  void ClearSelection();
+  void SelectAll();
+  CFWL_ListItem* GetFocusedItem();
+  void SetFocusItem(CFWL_ListItem* hItem);
+  bool GetItemCheckRectInternal(CFWL_ListItem* hItem, CFX_RectF& rtCheck);
+  bool SetItemChecked(CFWL_ListItem* hItem, bool bChecked);
+  bool GetItemChecked(CFWL_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,
+                CFWL_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,
+                   CFWL_ListItem* hItem,
+                   FX_FLOAT fWidth,
+                   FX_FLOAT fHeight,
+                   bool bAutoSize = false);
+  FX_FLOAT GetMaxTextWidth();
+  FX_FLOAT GetScrollWidth();
+
+  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(CFWL_ListItem* hItem, bool bShift, bool bCtrl);
+  bool OnScroll(CFWL_ScrollBar* pScrollBar, FWL_SCBCODE dwCode, FX_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;
+  FX_FLOAT m_fItemHeight;
+  FX_FLOAT m_fScorllBarWidth;
+  bool m_bLButtonDown;
+  IFWL_ThemeProvider* m_pScrollBarTP;
+  std::vector<std::unique_ptr<CFWL_ListItem>> m_ItemArray;
 };
 
 #endif  // XFA_FWL_CORE_CFWL_LISTBOX_H_