| // 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/cfwl_widgetmgr.h" |
| #include "xfa/fwl/core/cfwl_widgetproperties.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 void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false); |
| virtual void GetClientRect(CFX_RectF& rect); |
| virtual void ModifyStylesEx(uint32_t dwStylesExAdded, |
| uint32_t dwStylesExRemoved); |
| virtual void SetStates(uint32_t dwStates, bool bSet = true); |
| virtual void Update(); |
| virtual FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy); |
| virtual void DrawWidget(CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix = nullptr); |
| virtual void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider); |
| |
| // 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; |
| |
| void SetWidgetRect(const CFX_RectF& rect); |
| void GetGlobalRect(CFX_RectF& rect); |
| |
| void SetParent(IFWL_Widget* pParent); |
| |
| IFWL_Widget* GetOwner() { return m_pWidgetMgr->GetOwnerWidget(this); } |
| IFWL_Widget* GetOuter() const { return m_pOuter; } |
| |
| uint32_t GetStyles() const { return m_pProperties->m_dwStyles; } |
| void ModifyStyles(uint32_t dwStylesAdded, uint32_t dwStylesRemoved); |
| uint32_t GetStylesEx() const { return m_pProperties->m_dwStyleExes; } |
| uint32_t GetStates() const { return m_pProperties->m_dwStates; } |
| |
| void LockUpdate() { m_iLock++; } |
| void UnlockUpdate() { |
| if (IsLocked()) |
| m_iLock--; |
| } |
| |
| void TransformTo(IFWL_Widget* pWidget, FX_FLOAT& fx, FX_FLOAT& fy); |
| void GetMatrix(CFX_Matrix& matrix, bool bGlobal = false); |
| IFWL_ThemeProvider* GetThemeProvider() const { |
| return m_pProperties->m_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; |
| } |
| |
| const IFWL_App* GetOwnerApp() const { return m_pOwnerApp; } |
| uint32_t GetEventKey() const { return m_nEventKey; } |
| void SetEventKey(uint32_t key) { m_nEventKey = key; } |
| |
| void* GetLayoutItem() const { return m_pLayoutItem; } |
| void SetLayoutItem(void* pItem) { m_pLayoutItem = pItem; } |
| |
| void SetAssociateWidget(CFWL_Widget* pAssociate) { |
| m_pAssociate = pAssociate; |
| } |
| |
| void SetFocus(bool bFocus); |
| void Repaint(const CFX_RectF* pRect = nullptr); |
| |
| protected: |
| IFWL_Widget(const IFWL_App* app, |
| std::unique_ptr<CFWL_WidgetProperties> properties, |
| IFWL_Widget* pOuter); |
| |
| bool IsEnabled() const { |
| return (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) == 0; |
| } |
| bool IsActive() const { |
| return (m_pProperties->m_dwStates & FWL_WGTSTATE_Deactivated) == 0; |
| } |
| bool IsLocked() const { return m_iLock > 0; } |
| bool HasBorder() const { |
| return !!(m_pProperties->m_dwStyles & FWL_WGTSTYLE_Border); |
| } |
| bool HasEdge() const { |
| return !!(m_pProperties->m_dwStyles & FWL_WGTSTYLE_EdgeMask); |
| } |
| 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(); |
| 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); |
| 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 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); |
| |
| const IFWL_App* const m_pOwnerApp; |
| CFWL_WidgetMgr* const m_pWidgetMgr; |
| std::unique_ptr<CFWL_WidgetProperties> m_pProperties; |
| IFWL_Widget* m_pOuter; |
| int32_t m_iLock; |
| |
| private: |
| IFWL_Widget* GetParent() { return m_pWidgetMgr->GetParentWidget(this); } |
| CFX_SizeF GetOffsetFromParent(IFWL_Widget* pParent); |
| |
| bool IsVisible() const { |
| return (m_pProperties->m_dwStates & FWL_WGTSTATE_Invisible) == 0; |
| } |
| bool IsOverLapper() const { |
| return (m_pProperties->m_dwStyles & FWL_WGTSTYLE_WindowTypeMask) == |
| FWL_WGTSTYLE_OverLapper; |
| } |
| bool IsPopup() const { |
| return !!(m_pProperties->m_dwStyles & FWL_WGTSTYLE_Popup); |
| } |
| bool IsChild() const { |
| return !!(m_pProperties->m_dwStyles & FWL_WGTSTYLE_Child); |
| } |
| bool IsOffscreen() const { |
| return !!(m_pProperties->m_dwStyles & FWL_WGTSTYLE_Offscreen); |
| } |
| IFWL_Widget* GetRootOuter(); |
| 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 DrawBackground(CFX_Graphics* pGraphics, |
| CFWL_Part iPartBk, |
| IFWL_ThemeProvider* pTheme, |
| const CFX_Matrix* pMatrix = nullptr); |
| void NotifyDriver(); |
| bool IsParent(IFWL_Widget* pParent); |
| |
| void* m_pLayoutItem; |
| CFWL_Widget* m_pAssociate; |
| uint32_t m_nEventKey; |
| IFWL_WidgetDelegate* m_pDelegate; // Not owned. |
| }; |
| |
| #endif // XFA_FWL_CORE_IFWL_WIDGET_H_ |
