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Diffstat (limited to 'fpdfsdk/pdfwindow/cpwl_wnd.h')
| -rw-r--r-- | fpdfsdk/pdfwindow/cpwl_wnd.h | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/fpdfsdk/pdfwindow/cpwl_wnd.h b/fpdfsdk/pdfwindow/cpwl_wnd.h new file mode 100644 index 0000000000..86b0c66272 --- /dev/null +++ b/fpdfsdk/pdfwindow/cpwl_wnd.h @@ -0,0 +1,370 @@ +// 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 0x00000000L +#define PNM_REMOVECHILD 0x00000001L +#define PNM_SETSCROLLINFO 0x00000002L +#define PNM_SETSCROLLPOS 0x00000003L +#define PNM_SCROLLWINDOW 0x00000004L +#define PNM_LBUTTONDOWN 0x00000005L +#define PNM_LBUTTONUP 0x00000006L +#define PNM_MOUSEMOVE 0x00000007L +#define PNM_NOTERESET 0x00000008L +#define PNM_SETCARETINFO 0x00000009L +#define PNM_SELCHANGED 0x0000000AL +#define PNM_NOTEEDITCHANGED 0x0000000BL + +#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_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(CFX_ByteTextBuf& sAppStream); + + 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(CFX_ByteTextBuf& sAppStream); + 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(CFX_ByteTextBuf& sAppStream); + 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_ |