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