// 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 FPDFSDK_PDFWINDOW_CPWL_WND_H_ #define FPDFSDK_PDFWINDOW_CPWL_WND_H_ #include <memory> #include <vector> #include "core/fpdfdoc/cpdf_formcontrol.h" #include "core/fxcrt/cfx_observable.h" #include "core/fxcrt/cfx_unowned_ptr.h" #include "core/fxcrt/fx_basic.h" #include "fpdfsdk/cpdfsdk_widget.h" #include "fpdfsdk/pdfwindow/cpwl_color.h" #include "fpdfsdk/pdfwindow/cpwl_timer.h" #include "fpdfsdk/pdfwindow/cpwl_timer_handler.h" class CPWL_MsgControl; class CPWL_ScrollBar; class CPWL_Wnd; class CFX_SystemHandler; class IPVT_FontMap; class IPWL_Provider; // window styles #define PWS_CHILD 0x80000000L #define PWS_BORDER 0x40000000L #define PWS_BACKGROUND 0x20000000L #define PWS_HSCROLL 0x10000000L #define PWS_VSCROLL 0x08000000L #define PWS_VISIBLE 0x04000000L #define PWS_DISABLE 0x02000000L #define PWS_READONLY 0x01000000L #define PWS_AUTOFONTSIZE 0x00800000L #define PWS_AUTOTRANSPARENT 0x00400000L #define PWS_NOREFRESHCLIP 0x00200000L // edit and label styles #define PES_MULTILINE 0x0001L #define PES_PASSWORD 0x0002L #define PES_LEFT 0x0004L #define PES_RIGHT 0x0008L #define PES_MIDDLE 0x0010L #define PES_TOP 0x0020L #define PES_BOTTOM 0x0040L #define PES_CENTER 0x0080L #define PES_CHARARRAY 0x0100L #define PES_AUTOSCROLL 0x0200L #define PES_AUTORETURN 0x0400L #define PES_UNDO 0x0800L #define PES_RICH 0x1000L #define PES_SPELLCHECK 0x2000L #define PES_TEXTOVERFLOW 0x4000L #define PES_NOREAD 0x8000L // listbox styles #define PLBS_MULTIPLESEL 0x0001L #define PLBS_HOVERSEL 0x0008L // combobox styles #define PCBS_ALLOWCUSTOMTEXT 0x0001L // richedit styles #define PRES_MULTILINE 0x0001L #define PRES_AUTORETURN 0x0002L #define PRES_AUTOSCROLL 0x0004L #define PRES_UNDO 0x0100L #define PRES_MULTIPAGES 0x0200L #define PRES_TEXTOVERFLOW 0x0400L // notification messages #define PNM_ADDCHILD 0 #define PNM_REMOVECHILD 1 #define PNM_SETSCROLLINFO 2 #define PNM_SETSCROLLPOS 3 #define PNM_SCROLLWINDOW 4 #define PNM_LBUTTONDOWN 5 #define PNM_LBUTTONUP 6 #define PNM_MOUSEMOVE 7 #define PNM_SETCARETINFO 8 #define PWL_CLASSNAME_EDIT "CPWL_Edit" struct CPWL_Dash { CPWL_Dash() : nDash(0), nGap(0), nPhase(0) {} CPWL_Dash(int32_t dash, int32_t gap, int32_t phase) : nDash(dash), nGap(gap), nPhase(phase) {} void Reset() { nDash = 0; nGap = 0; nPhase = 0; } int32_t nDash; int32_t nGap; int32_t nPhase; }; inline bool operator==(const CPWL_Color& c1, const CPWL_Color& c2) { return c1.nColorType == c2.nColorType && c1.fColor1 - c2.fColor1 < 0.0001 && c1.fColor1 - c2.fColor1 > -0.0001 && c1.fColor2 - c2.fColor2 < 0.0001 && c1.fColor2 - c2.fColor2 > -0.0001 && c1.fColor3 - c2.fColor3 < 0.0001 && c1.fColor3 - c2.fColor3 > -0.0001 && c1.fColor4 - c2.fColor4 < 0.0001 && c1.fColor4 - c2.fColor4 > -0.0001; } inline bool operator!=(const CPWL_Color& c1, const CPWL_Color& c2) { return !(c1 == c2); } #define PWL_SCROLLBAR_WIDTH 12.0f #define PWL_SCROLLBAR_BUTTON_WIDTH 9.0f #define PWL_SCROLLBAR_POSBUTTON_MINWIDTH 2.0f #define PWL_SCROLLBAR_TRANSPARENCY 150 #define PWL_SCROLLBAR_BKCOLOR \ CPWL_Color(COLORTYPE_RGB, 220.0f / 255.0f, 220.0f / 255.0f, 220.0f / 255.0f) #define PWL_DEFAULT_SELTEXTCOLOR CPWL_Color(COLORTYPE_RGB, 1, 1, 1) #define PWL_DEFAULT_SELBACKCOLOR \ CPWL_Color(COLORTYPE_RGB, 0, 51.0f / 255.0f, 113.0f / 255.0f) #define PWL_DEFAULT_BACKCOLOR PWL_DEFAULT_SELTEXTCOLOR #define PWL_DEFAULT_TEXTCOLOR CPWL_Color(COLORTYPE_RGB, 0, 0, 0) #define PWL_DEFAULT_FONTSIZE 9.0f #define PWL_DEFAULT_BLACKCOLOR CPWL_Color(COLORTYPE_GRAY, 0) #define PWL_DEFAULT_WHITECOLOR CPWL_Color(COLORTYPE_GRAY, 1) #define PWL_DEFAULT_HEAVYGRAYCOLOR CPWL_Color(COLORTYPE_GRAY, 0.50) #define PWL_DEFAULT_LIGHTGRAYCOLOR CPWL_Color(COLORTYPE_GRAY, 0.75) #define PWL_TRIANGLE_HALFLEN 2.0f #define PWL_CBBUTTON_TRIANGLE_HALFLEN 3.0f #define PWL_INVALIDATE_INFLATE 2 class IPWL_Provider : public CFX_Observable<IPWL_Provider> { public: virtual ~IPWL_Provider() {} // get a matrix which map user space to CWnd client space virtual CFX_Matrix GetWindowMatrix(void* pAttachedData) = 0; }; class IPWL_FocusHandler { public: virtual ~IPWL_FocusHandler() {} virtual void OnSetFocus(CPWL_Wnd* pWnd) = 0; }; struct PWL_CREATEPARAM { public: PWL_CREATEPARAM(); PWL_CREATEPARAM(const PWL_CREATEPARAM& other); void Reset() { rcRectWnd.Reset(); pSystemHandler = nullptr; pFontMap = nullptr; pProvider.Reset(); pFocusHandler = nullptr; dwFlags = 0; sBackgroundColor.Reset(); pAttachedWidget.Reset(); nBorderStyle = BorderStyle::SOLID; dwBorderWidth = 0; sBorderColor.Reset(); sTextColor.Reset(); nTransparency = 0; fFontSize = 0.0f; sDash.Reset(); pAttachedData = nullptr; pParentWnd = nullptr; pMsgControl = nullptr; eCursorType = 0; mtChild.SetIdentity(); } CFX_FloatRect rcRectWnd; // required CFX_SystemHandler* pSystemHandler; // required IPVT_FontMap* pFontMap; // required IPWL_Provider::ObservedPtr pProvider; // required IPWL_FocusHandler* pFocusHandler; // optional uint32_t dwFlags; // optional CPWL_Color sBackgroundColor; // optional CPDFSDK_Widget::ObservedPtr pAttachedWidget; // required BorderStyle nBorderStyle; // optional int32_t dwBorderWidth; // optional CPWL_Color sBorderColor; // optional CPWL_Color sTextColor; // optional int32_t nTransparency; // optional float fFontSize; // optional CPWL_Dash sDash; // optional void* pAttachedData; // optional CPWL_Wnd* pParentWnd; // ignore CPWL_MsgControl* pMsgControl; // ignore int32_t eCursorType; // ignore CFX_Matrix mtChild; // ignore }; class CPWL_Wnd : public CPWL_TimerHandler { public: CPWL_Wnd(); ~CPWL_Wnd() override; virtual CFX_ByteString GetClassName() const; virtual void InvalidateRect(CFX_FloatRect* pRect = nullptr); virtual bool OnKeyDown(uint16_t nChar, uint32_t nFlag); virtual bool OnChar(uint16_t nChar, uint32_t nFlag); virtual bool OnLButtonDblClk(const CFX_PointF& point, uint32_t nFlag); virtual bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag); virtual bool OnLButtonUp(const CFX_PointF& point, uint32_t nFlag); virtual bool OnRButtonDown(const CFX_PointF& point, uint32_t nFlag); virtual bool OnRButtonUp(const CFX_PointF& point, uint32_t nFlag); virtual bool OnMouseMove(const CFX_PointF& point, uint32_t nFlag); virtual bool OnMouseWheel(short zDelta, const CFX_PointF& point, uint32_t nFlag); virtual void OnNotify(CPWL_Wnd* pWnd, uint32_t msg, intptr_t wParam = 0, intptr_t lParam = 0); virtual void SetFocus(); virtual void KillFocus(); virtual void SetCursor(); virtual void SetVisible(bool bVisible); virtual void SetFontSize(float fFontSize); virtual float GetFontSize() const; virtual CFX_WideString GetSelectedText(); virtual CFX_FloatRect GetFocusRect() const; virtual CFX_FloatRect GetClientRect() const; void InvalidateFocusHandler(IPWL_FocusHandler* handler); void InvalidateProvider(IPWL_Provider* provider); void Create(const PWL_CREATEPARAM& cp); void Destroy(); void Move(const CFX_FloatRect& rcNew, bool bReset, bool bRefresh); void SetCapture(); void ReleaseCapture(); void DrawAppearance(CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device); CPWL_Color GetBackgroundColor() const; void SetBackgroundColor(const CPWL_Color& color); CPWL_Color GetBorderColor() const; CPWL_Color GetTextColor() const; void SetTextColor(const CPWL_Color& color); CPWL_Color GetBorderLeftTopColor(BorderStyle nBorderStyle) const; CPWL_Color GetBorderRightBottomColor(BorderStyle nBorderStyle) const; void SetBorderStyle(BorderStyle eBorderStyle); BorderStyle GetBorderStyle() const; const CPWL_Dash& GetBorderDash() const; int32_t GetBorderWidth() const; int32_t GetInnerBorderWidth() const; CFX_FloatRect GetWindowRect() const; CFX_PointF GetCenterPoint() const; bool IsVisible() const { return m_bVisible; } bool HasFlag(uint32_t dwFlags) const; void AddFlag(uint32_t dwFlags); void RemoveFlag(uint32_t dwFlags); void SetClipRect(const CFX_FloatRect& rect); const CFX_FloatRect& GetClipRect() const; CPWL_Wnd* GetParentWindow() const; void* GetAttachedData() const; bool WndHitTest(const CFX_PointF& point) const; bool ClientHitTest(const CFX_PointF& point) const; bool IsCaptureMouse() const; void EnableWindow(bool bEnable); bool IsEnabled() const { return m_bEnabled; } const CPWL_Wnd* GetFocused() const; bool IsFocused() const; bool IsReadOnly() const; CPWL_ScrollBar* GetVScrollBar() const; IPVT_FontMap* GetFontMap() const; IPWL_Provider* GetProvider() const; IPWL_FocusHandler* GetFocusHandler() const; int32_t GetTransparency(); void SetTransparency(int32_t nTransparency); CFX_Matrix GetChildToRoot() const; CFX_Matrix GetChildMatrix() const; void SetChildMatrix(const CFX_Matrix& mt); CFX_Matrix GetWindowMatrix() const; protected: friend class CPWL_MsgControl; // CPWL_TimerHandler CFX_SystemHandler* GetSystemHandler() const override; virtual void CreateChildWnd(const PWL_CREATEPARAM& cp); virtual void RePosChildWnd(); virtual void GetThisAppearanceStream(std::ostringstream* psAppStream); virtual void DrawThisAppearance(CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device); virtual void OnCreate(PWL_CREATEPARAM& cp); virtual void OnCreated(); virtual void OnDestroy(); virtual void OnSetFocus(); virtual void OnKillFocus(); void GetAppearanceStream(std::ostringstream* psAppStream); void SetNotifyFlag(bool bNotifying = true) { m_bNotifying = bNotifying; } bool IsValid() const; const PWL_CREATEPARAM& GetCreationParam() const; bool IsNotifying() const { return m_bNotifying; } void InvalidateRectMove(const CFX_FloatRect& rcOld, const CFX_FloatRect& rcNew); bool IsWndCaptureMouse(const CPWL_Wnd* pWnd) const; bool IsWndCaptureKeyboard(const CPWL_Wnd* pWnd) const; const CPWL_Wnd* GetRootWnd() const; bool IsCTRLpressed(uint32_t nFlag) const; bool IsSHIFTpressed(uint32_t nFlag) const; bool IsALTpressed(uint32_t nFlag) const; private: CFX_PointF ParentToChild(const CFX_PointF& point) const; CFX_FloatRect ParentToChild(const CFX_FloatRect& rect) const; void GetChildAppearanceStream(std::ostringstream* psAppStream); void DrawChildAppearance(CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device); FX_RECT PWLtoWnd(const CFX_FloatRect& rect) const; void AddChild(CPWL_Wnd* pWnd); void RemoveChild(CPWL_Wnd* pWnd); void CreateScrollBar(const PWL_CREATEPARAM& cp); void CreateVScrollBar(const PWL_CREATEPARAM& cp); void AdjustStyle(); void CreateMsgControl(); void DestroyMsgControl(); CPWL_MsgControl* GetMsgControl() const; std::vector<CPWL_Wnd*> m_Children; PWL_CREATEPARAM m_sPrivateParam; CFX_UnownedPtr<CPWL_ScrollBar> m_pVScrollBar; CFX_FloatRect m_rcWindow; CFX_FloatRect m_rcClip; bool m_bCreated; bool m_bVisible; bool m_bNotifying; bool m_bEnabled; }; #endif // FPDFSDK_PDFWINDOW_CPWL_WND_H_