// 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_CORE_IFWL_WIDGET_H_
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#define XFA_FWL_CORE_IFWL_WIDGET_H_
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#include <memory>
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#include "core/fxcrt/include/fx_basic.h"
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#include "core/fxcrt/include/fx_coordinates.h"
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#include "core/fxcrt/include/fx_system.h"
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#include "xfa/fwl/core/fwl_error.h"
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#include "xfa/fwl/core/fwl_widgetimp.h"
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// FWL contains three parallel inheritance hierarchies, which reference each
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// other via pointers as follows:
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//
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// m_pAssociate
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// <----------------------------------
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// CFWL_Widget ----------> IFWL_Widget ----------> CFWL_WidgetImp
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// | m_pIface | m_pImpl |
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// A A A
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// | | |
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// CFWL_... IFWL_... CFWL_...Imp
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//
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// TODO(tsepez): Collapse these into a single hierarchy.
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//
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enum class FWL_Type {
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Unknown = 0,
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Barcode,
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Caret,
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CheckBox,
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ComboBox,
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DateTimePicker,
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Edit,
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Form,
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FormProxy,
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ListBox,
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MonthCalendar,
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PictureBox,
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PushButton,
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ScrollBar,
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SpinButton,
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ToolTip
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};
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class CFWL_WidgetImp;
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class CFX_Graphics;
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class IFWL_App;
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class IFWL_DataProvider;
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class IFWL_Form;
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class IFWL_ThemeProvider;
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class IFWL_WidgetDelegate;
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class IFWL_Widget {
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public:
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IFWL_Widget();
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virtual ~IFWL_Widget();
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FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
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FWL_Error GetGlobalRect(CFX_RectF& rect);
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FWL_Error SetWidgetRect(const CFX_RectF& rect);
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FWL_Error GetClientRect(CFX_RectF& rect);
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IFWL_Widget* GetParent();
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FWL_Error SetParent(IFWL_Widget* pParent);
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IFWL_Widget* GetOwner();
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FWL_Error SetOwner(IFWL_Widget* pOwner);
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IFWL_Widget* GetOuter();
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uint32_t GetStyles();
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FWL_Error ModifyStyles(uint32_t dwStylesAdded, uint32_t dwStylesRemoved);
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uint32_t GetStylesEx();
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FWL_Error ModifyStylesEx(uint32_t dwStylesExAdded,
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uint32_t dwStylesExRemoved);
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uint32_t GetStates();
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void SetStates(uint32_t dwStates, FX_BOOL bSet = TRUE);
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uint32_t GetEventKey() const;
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void SetEventKey(uint32_t key);
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void* GetLayoutItem() const;
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void SetLayoutItem(void* pItem);
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void* GetAssociateWidget() const;
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void SetAssociateWidget(void* pAssociate);
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FWL_Error Update();
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FWL_Error LockUpdate();
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FWL_Error UnlockUpdate();
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FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy);
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FWL_Error TransformTo(IFWL_Widget* pWidget, FX_FLOAT& fx, FX_FLOAT& fy);
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FWL_Error TransformTo(IFWL_Widget* pWidget, CFX_RectF& rt);
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FWL_Error GetMatrix(CFX_Matrix& matrix, FX_BOOL bGlobal = FALSE);
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FWL_Error SetMatrix(const CFX_Matrix& matrix);
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FWL_Error DrawWidget(CFX_Graphics* pGraphics,
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const CFX_Matrix* pMatrix = nullptr);
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IFWL_ThemeProvider* GetThemeProvider();
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FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider);
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FWL_Error SetDataProvider(IFWL_DataProvider* pDataProvider);
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IFWL_WidgetDelegate* SetDelegate(IFWL_WidgetDelegate* pDelegate);
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IFWL_App* GetOwnerApp() const;
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CFX_SizeF GetOffsetFromParent(IFWL_Widget* pParent);
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// These call into equivalent polymorphic methods of m_pImpl. There
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// should be no need to override these in subclasses.
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FWL_Error GetClassName(CFX_WideString& wsClass) const;
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FWL_Type GetClassID() const;
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FX_BOOL IsInstance(const CFX_WideStringC& wsClass) const;
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FWL_Error Initialize();
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FWL_Error Finalize();
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CFWL_WidgetImp* GetImpl() const { return m_pImpl.get(); }
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protected:
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// Takes ownership of |pImpl|.
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void SetImpl(CFWL_WidgetImp* pImpl) { m_pImpl.reset(pImpl); }
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private:
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std::unique_ptr<CFWL_WidgetImp> m_pImpl;
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};
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#endif // XFA_FWL_CORE_IFWL_WIDGET_H_
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