Merge the CFWL_*Imp classes into the IFWL_* classes.

This Cl merges the implementation classes up into the IFWL classes as the
intermediate classes were just acting as proxies.

Review-Url: https://chromiumcodereview.appspot.com/2432423002

1 files changed, 244 insertions, 0 deletions

diff --git a/xfa/fwl/core/ifwl_combobox.h b/xfa/fwl/core/ifwl_combobox.h
new file mode 100644
index 0000000000..106b7c0c08
--- /dev/null
+++ b/xfa/fwl/core/ifwl_combobox.h
@@ -0,0 +1,244 @@
+// 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_IFWL_COMBOBOX_H_
+#define XFA_FWL_CORE_IFWL_COMBOBOX_H_
+
+#include "xfa/fwl/core/ifwl_form.h"
+#include "xfa/fwl/core/ifwl_listbox.h"
+#include "xfa/fxgraphics/cfx_graphics.h"
+
+class CFWL_ComboBoxImpDelegate;
+class CFWL_ComboEditImpDelegate;
+class CFWL_ComboListImpDelegate;
+class CFWL_ComboProxyImpDelegate;
+class CFWL_ListBoxImpDelegate;
+class CFWL_WidgetImpProperties;
+class CFWL_WidgetImpDelegate;
+class IFWL_ComboBox;
+class IFWL_ComboEdit;
+class IFWL_ComboList;
+class IFWL_FormProxy;
+class IFWL_ListBox;
+class IFWL_Widget;
+
+#define FWL_CLASS_ComboBox L"FWL_COMBOBOX"
+#define FWL_STYLEEXT_CMB_DropList (0L << 0)
+#define FWL_STYLEEXT_CMB_DropDown (1L << 0)
+#define FWL_STYLEEXT_CMB_Sort (1L << 1)
+#define FWL_STYLEEXT_CMB_ListDrag (1L << 2)
+#define FWL_STYLEEXT_CMB_OwnerDraw (1L << 3)
+#define FWL_STYLEEXT_CMB_EditHNear (0L << 4)
+#define FWL_STYLEEXT_CMB_EditHCenter (1L << 4)
+#define FWL_STYLEEXT_CMB_EditHFar (2L << 4)
+#define FWL_STYLEEXT_CMB_EditVNear (0L << 6)
+#define FWL_STYLEEXT_CMB_EditVCenter (1L << 6)
+#define FWL_STYLEEXT_CMB_EditVFar (2L << 6)
+#define FWL_STYLEEXT_CMB_EditJustified (1L << 8)
+#define FWL_STYLEEXT_CMB_EditDistributed (2L << 8)
+#define FWL_STYLEEXT_CMB_EditHAlignMask (3L << 4)
+#define FWL_STYLEEXT_CMB_EditVAlignMask (3L << 6)
+#define FWL_STYLEEXT_CMB_EditHAlignModeMask (3L << 8)
+#define FWL_STYLEEXT_CMB_ListItemLeftAlign (0L << 10)
+#define FWL_STYLEEXT_CMB_ListItemCenterAlign (1L << 10)
+#define FWL_STYLEEXT_CMB_ListItemRightAlign (2L << 10)
+#define FWL_STYLEEXT_CMB_ListItemAlignMask (3L << 10)
+#define FWL_STYLEEXT_CMB_ListItemText (0L << 12)
+#define FWL_STYLEEXT_CMB_ListItemIconText (1L << 12)
+#define FWL_STYLEEXT_CMB_ReadOnly (1L << 13)
+
+FWL_EVENT_DEF(CFWL_EvtCmbPreDropDown, CFWL_EventType::PreDropDown)
+
+FWL_EVENT_DEF(CFWL_EvtCmbPostDropDown, CFWL_EventType::PostDropDown)
+
+FWL_EVENT_DEF(CFWL_EvtCmbCloseUp, CFWL_EventType::CloseUp)
+
+FWL_EVENT_DEF(CFWL_EvtCmbEditChanged,
+              CFWL_EventType::EditChanged,
+              int32_t nChangeType;
+              CFX_WideString wsInsert;
+              CFX_WideString wsDelete;)
+
+FWL_EVENT_DEF(CFWL_EvtCmbSelChanged,
+              CFWL_EventType::SelectChanged,
+              CFX_Int32Array iArraySels;
+              FX_BOOL bLButtonUp;)
+
+FWL_EVENT_DEF(CFWL_EvtCmbHoverChanged,
+              CFWL_EventType::HoverChanged,
+              int32_t m_iCurHover;)
+
+FWL_EVENT_DEF(CFWL_EvtCmbDrawItem,
+              CFWL_EventType::DrawItem,
+              CFX_Graphics* m_pGraphics;
+              CFX_Matrix m_matrix;
+              int32_t m_index;
+              CFX_RectF m_rtItem;)
+
+class IFWL_ComboBoxDP : public IFWL_ListBoxDP {
+ public:
+  virtual FX_FLOAT GetListHeight(IFWL_Widget* pWidget) = 0;
+};
+
+class IFWL_ComboBox : public IFWL_Widget {
+ public:
+  static IFWL_ComboBox* Create(const CFWL_WidgetImpProperties& properties);
+
+  IFWL_ComboBox(const CFWL_WidgetImpProperties& properties,
+                IFWL_Widget* pOuter);
+  ~IFWL_ComboBox() override;
+
+  // IFWL_Widget
+  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 ModifyStylesEx(uint32_t dwStylesExAdded,
+                           uint32_t dwStylesExRemoved) override;
+  void SetStates(uint32_t dwStates, FX_BOOL bSet = TRUE) 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 GetCurSel();
+  FWL_Error SetCurSel(int32_t iSel);
+  FWL_Error SetEditText(const CFX_WideString& wsText);
+  int32_t GetEditTextLength() const;
+  FWL_Error GetEditText(CFX_WideString& wsText,
+                        int32_t nStart = 0,
+                        int32_t nCount = -1) const;
+  FWL_Error SetEditSelRange(int32_t nStart, int32_t nCount = -1);
+  int32_t GetEditSelRange(int32_t nIndex, int32_t& nStart);
+  int32_t GetEditLimit();
+  FWL_Error SetEditLimit(int32_t nLimit);
+  FWL_Error EditDoClipboard(int32_t iCmd);
+  FX_BOOL EditRedo(const IFDE_TxtEdtDoRecord* pRecord);
+  FX_BOOL EditUndo(const IFDE_TxtEdtDoRecord* pRecord);
+  IFWL_ListBox* GetListBoxt();
+  FX_BOOL AfterFocusShowDropList();
+  FWL_Error OpenDropDownList(FX_BOOL bActivate);
+  FX_BOOL EditCanUndo();
+  FX_BOOL EditCanRedo();
+  FX_BOOL EditUndo();
+  FX_BOOL EditRedo();
+  FX_BOOL EditCanCopy();
+  FX_BOOL EditCanCut();
+  FX_BOOL EditCanSelectAll();
+  FX_BOOL EditCopy(CFX_WideString& wsCopy);
+  FX_BOOL EditCut(CFX_WideString& wsCut);
+  FX_BOOL EditPaste(const CFX_WideString& wsPaste);
+  FX_BOOL EditSelectAll();
+  FX_BOOL EditDelete();
+  FX_BOOL EditDeSelect();
+  FWL_Error GetBBox(CFX_RectF& rect);
+  FWL_Error EditModifyStylesEx(uint32_t dwStylesExAdded,
+                               uint32_t dwStylesExRemoved);
+
+ protected:
+  friend class CFWL_ComboBoxImpDelegate;
+  friend class CFWL_ComboEditImpDelegate;
+  friend class CFWL_ComboListImpDelegate;
+  friend class CFWL_ComboProxyImpDelegate;
+  friend class IFWL_ComboEdit;
+  friend class IFWL_ComboList;
+
+  void DrawStretchHandler(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix);
+  FX_FLOAT GetListHeight();
+  void ShowDropList(FX_BOOL bActivate);
+  FX_BOOL IsDropListShowed();
+  FX_BOOL IsDropDownStyle() const;
+  void MatchEditText();
+  void SynchrEditText(int32_t iListItem);
+  void Layout();
+  void ReSetTheme();
+  void ReSetEditAlignment();
+  void ReSetListItemAlignment();
+  void ProcessSelChanged(FX_BOOL bLButtonUp);
+  void InitProxyForm();
+  FWL_Error DisForm_Initialize();
+  void DisForm_InitComboList();
+  void DisForm_InitComboEdit();
+  void DisForm_ShowDropList(FX_BOOL bActivate);
+  FX_BOOL DisForm_IsDropListShowed();
+  FWL_Error DisForm_ModifyStylesEx(uint32_t dwStylesExAdded,
+                                   uint32_t dwStylesExRemoved);
+  FWL_Error DisForm_Update();
+  FWL_WidgetHit DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy);
+  FWL_Error DisForm_DrawWidget(CFX_Graphics* pGraphics,
+                               const CFX_Matrix* pMatrix = nullptr);
+  FWL_Error DisForm_GetBBox(CFX_RectF& rect);
+  void DisForm_Layout();
+
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtContent;
+  CFX_RectF m_rtBtn;
+  CFX_RectF m_rtList;
+  CFX_RectF m_rtProxy;
+  CFX_RectF m_rtHandler;
+  std::unique_ptr<IFWL_ComboEdit> m_pEdit;
+  std::unique_ptr<IFWL_ComboList> m_pListBox;
+  IFWL_FormProxy* m_pForm;
+  FX_BOOL m_bLButtonDown;
+  FX_BOOL m_bUpFormHandler;
+  int32_t m_iCurSel;
+  int32_t m_iBtnState;
+  FX_FLOAT m_fComboFormHandler;
+  FX_FLOAT m_fItemHeight;
+  FX_BOOL m_bNeedShowList;
+  CFWL_ComboProxyImpDelegate* m_pListProxyDelegate;
+};
+
+class CFWL_ComboBoxImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_ComboBoxImpDelegate(IFWL_ComboBox* 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 OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnMouseLeave(CFWL_MsgMouse* pMsg);
+  void OnKey(CFWL_MsgKey* pMsg);
+  void DoSubCtrlKey(CFWL_MsgKey* pMsg);
+  void DisForm_OnProcessMessage(CFWL_Message* pMessage);
+  void DisForm_OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void DisForm_OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  void DisForm_OnKey(CFWL_MsgKey* pMsg);
+
+  IFWL_ComboBox* m_pOwner;
+  friend class CFWL_ComboEditImpDelegate;
+  friend class CFWL_ComboListImpDelegate;
+};
+
+class CFWL_ComboProxyImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_ComboProxyImpDelegate(IFWL_Form* pForm, IFWL_ComboBox* pComboBox);
+  void OnProcessMessage(CFWL_Message* pMessage) override;
+  void OnDrawWidget(CFX_Graphics* pGraphics,
+                    const CFX_Matrix* pMatrix = nullptr) override;
+  void Reset() { m_bLButtonUpSelf = FALSE; }
+
+ protected:
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnDeactive(CFWL_MsgDeactivate* pMsg);
+  void OnFocusChanged(CFWL_MsgKillFocus* pMsg, FX_BOOL bSet);
+  FX_BOOL m_bLButtonDown;
+  FX_BOOL m_bLButtonUpSelf;
+  FX_FLOAT m_fStartPos;
+  IFWL_Form* m_pForm;
+  IFWL_ComboBox* m_pComboBox;
+};
+
+#endif  // XFA_FWL_CORE_IFWL_COMBOBOX_H_