| // 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/fx_coordinates.h" |
| #include "core/fxcrt/fx_system.h" |
| #include "xfa/fwl/core/cfwl_event.h" |
| #include "xfa/fwl/core/cfwl_themepart.h" |
| #include "xfa/fwl/core/fwl_widgethit.h" |
| #include "xfa/fwl/core/ifwl_widgetdelegate.h" |
| #include "xfa/fwl/theme/cfwl_widgettp.h" |
| |
| // FWL contains two parallel inheritance hierarchies, which reference each |
| // other via pointers as follows: |
| // |
| // m_pAssociate |
| // <---------- |
| // CFWL_Widget ----------> IFWL_Widget |
| // | m_pIface | |
| // A A |
| // | | |
| // CFWL_... IFWL_... |
| // |
| // TODO(tsepez): Collapse these into a single hierarchy. |
| // |
| |
| enum class FWL_Type { |
| Unknown = 0, |
| |
| Barcode, |
| Caret, |
| CheckBox, |
| ComboBox, |
| DateTimePicker, |
| Edit, |
| Form, |
| FormProxy, |
| ListBox, |
| MonthCalendar, |
| PictureBox, |
| PushButton, |
| ScrollBar, |
| SpinButton, |
| ToolTip |
| }; |
| |
| class CFWL_AppImp; |
| class CFWL_MsgKey; |
| class CFWL_Widget; |
| class CFWL_WidgetProperties; |
| class CFWL_WidgetMgr; |
| class IFWL_App; |
| class IFWL_DataProvider; |
| class IFWL_ThemeProvider; |
| class IFWL_Widget; |
| enum class FWL_Type; |
| |
| class IFWL_Widget : public IFWL_WidgetDelegate { |
| public: |
| ~IFWL_Widget() override; |
| |
| virtual FWL_Type GetClassID() const = 0; |
| virtual bool IsInstance(const CFX_WideStringC& wsClass) const; |
| |
| virtual FWL_Error GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false); |
| virtual FWL_Error GetGlobalRect(CFX_RectF& rect); |
| virtual FWL_Error SetWidgetRect(const CFX_RectF& rect); |
| virtual FWL_Error GetClientRect(CFX_RectF& rect); |
| |
| virtual IFWL_Widget* GetParent(); |
| virtual FWL_Error SetParent(IFWL_Widget* pParent); |
| |
| virtual IFWL_Widget* GetOwner(); |
| virtual FWL_Error SetOwner(IFWL_Widget* pOwner); |
| |
| virtual IFWL_Widget* GetOuter(); |
| |
| virtual uint32_t GetStyles(); |
| virtual FWL_Error ModifyStyles(uint32_t dwStylesAdded, |
| uint32_t dwStylesRemoved); |
| virtual uint32_t GetStylesEx(); |
| virtual FWL_Error ModifyStylesEx(uint32_t dwStylesExAdded, |
| uint32_t dwStylesExRemoved); |
| |
| virtual uint32_t GetStates(); |
| virtual void SetStates(uint32_t dwStates, bool bSet = true); |
| |
| virtual FWL_Error Update(); |
| virtual FWL_Error LockUpdate(); |
| virtual FWL_Error UnlockUpdate(); |
| |
| virtual FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy); |
| |
| virtual FWL_Error TransformTo(IFWL_Widget* pWidget, |
| FX_FLOAT& fx, |
| FX_FLOAT& fy); |
| virtual FWL_Error TransformTo(IFWL_Widget* pWidget, CFX_RectF& rt); |
| |
| virtual FWL_Error GetMatrix(CFX_Matrix& matrix, bool bGlobal = false); |
| virtual FWL_Error SetMatrix(const CFX_Matrix& matrix); |
| |
| virtual FWL_Error DrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix = nullptr); |
| |
| virtual IFWL_ThemeProvider* GetThemeProvider(); |
| virtual FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider); |
| |
| void SetDelegate(IFWL_WidgetDelegate* delegate) { m_pDelegate = delegate; } |
| IFWL_WidgetDelegate* GetDelegate() { |
| return m_pDelegate ? m_pDelegate : this; |
| } |
| const IFWL_WidgetDelegate* GetDelegate() const { |
| return m_pDelegate ? m_pDelegate : this; |
| } |
| |
| // IFWL_WidgetDelegate. |
| void OnProcessMessage(CFWL_Message* pMessage) override; |
| void OnProcessEvent(CFWL_Event* pEvent) override; |
| void OnDrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix = nullptr) override; |
| |
| const IFWL_App* GetOwnerApp() const; |
| |
| CFX_SizeF GetOffsetFromParent(IFWL_Widget* pParent); |
| |
| uint32_t GetEventKey() const; |
| void SetEventKey(uint32_t key); |
| |
| void* GetLayoutItem() const; |
| void SetLayoutItem(void* pItem); |
| |
| void SetAssociateWidget(CFWL_Widget* pAssociate); |
| |
| void SetFocus(bool bFocus); |
| void Repaint(const CFX_RectF* pRect = nullptr); |
| |
| protected: |
| friend class CFWL_WidgetImpDelegate; |
| |
| IFWL_Widget(const IFWL_App* app, |
| std::unique_ptr<CFWL_WidgetProperties> properties, |
| IFWL_Widget* pOuter); |
| |
| bool IsEnabled() const; |
| bool IsVisible() const; |
| bool IsActive() const; |
| bool IsOverLapper() const; |
| bool IsPopup() const; |
| bool IsChild() const; |
| bool IsLocked() const; |
| bool IsOffscreen() const; |
| bool HasBorder() const; |
| bool HasEdge() const; |
| void GetEdgeRect(CFX_RectF& rtEdge); |
| FX_FLOAT GetBorderSize(bool bCX = true); |
| FX_FLOAT GetEdgeWidth(); |
| void GetRelativeRect(CFX_RectF& rect); |
| void* GetThemeCapacity(CFWL_WidgetCapacity dwCapacity); |
| IFWL_ThemeProvider* GetAvailableTheme(); |
| IFWL_Widget* GetRootOuter(); |
| CFX_SizeF CalcTextSize(const CFX_WideString& wsText, |
| IFWL_ThemeProvider* pTheme, |
| bool bMultiLine = false, |
| int32_t iLineWidth = -1); |
| void CalcTextRect(const CFX_WideString& wsText, |
| IFWL_ThemeProvider* pTheme, |
| uint32_t dwTTOStyles, |
| int32_t iTTOAlign, |
| CFX_RectF& rect); |
| void SetGrab(bool bSet); |
| bool GetPopupPos(FX_FLOAT fMinHeight, |
| FX_FLOAT fMaxHeight, |
| const CFX_RectF& rtAnchor, |
| CFX_RectF& rtPopup); |
| bool GetPopupPosMenu(FX_FLOAT fMinHeight, |
| FX_FLOAT fMaxHeight, |
| const CFX_RectF& rtAnchor, |
| CFX_RectF& rtPopup); |
| bool GetPopupPosComboBox(FX_FLOAT fMinHeight, |
| FX_FLOAT fMaxHeight, |
| const CFX_RectF& rtAnchor, |
| CFX_RectF& rtPopup); |
| bool GetPopupPosGeneral(FX_FLOAT fMinHeight, |
| FX_FLOAT fMaxHeight, |
| const CFX_RectF& rtAnchor, |
| CFX_RectF& rtPopup); |
| bool GetScreenSize(FX_FLOAT& fx, FX_FLOAT& fy); |
| void RegisterEventTarget(IFWL_Widget* pEventSource = nullptr, |
| uint32_t dwFilter = FWL_EVENT_ALL_MASK); |
| void UnregisterEventTarget(); |
| void DispatchKeyEvent(CFWL_MsgKey* pNote); |
| void DispatchEvent(CFWL_Event* pEvent); |
| void DrawBackground(CFX_Graphics* pGraphics, |
| CFWL_Part iPartBk, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix = nullptr); |
| void DrawBorder(CFX_Graphics* pGraphics, |
| CFWL_Part iPartBorder, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix = nullptr); |
| void DrawEdge(CFX_Graphics* pGraphics, |
| CFWL_Part iPartEdge, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix = nullptr); |
| void NotifyDriver(); |
| |
| bool IsParent(IFWL_Widget* pParent); |
| |
| const IFWL_App* const m_pOwnerApp; |
| CFWL_WidgetMgr* const m_pWidgetMgr; |
| std::unique_ptr<CFWL_WidgetProperties> m_pProperties; |
| IFWL_Widget* m_pOuter; |
| void* m_pLayoutItem; |
| CFWL_Widget* m_pAssociate; |
| int32_t m_iLock; |
| uint32_t m_nEventKey; |
| |
| private: |
| IFWL_WidgetDelegate* m_pDelegate; // Not owned. |
| }; |
| |
| #endif // XFA_FWL_CORE_IFWL_WIDGET_H_ |
