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diff --git a/fpdfsdk/pwl/cpwl_wnd.h b/fpdfsdk/pwl/cpwl_wnd.h
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+// 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_PWL_CPWL_WND_H_
+#define FPDFSDK_PWL_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 "core/fxge/cfx_color.h"
+#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
+#include "fpdfsdk/cpdfsdk_widget.h"
+#include "fpdfsdk/pwl/cpwl_timer.h"
+#include "fpdfsdk/pwl/cpwl_timer_handler.h"
+
+class CPWL_Edit;
+class CPWL_MsgControl;
+class CPWL_ScrollBar;
+class CPWL_Wnd;
+class CFX_SystemHandler;
+class IPVT_FontMap;
+class IPWL_Provider;
+struct PWL_SCROLL_INFO;
+
+// 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_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
+
+#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 CFX_Color& c1, const CFX_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 CFX_Color& c1, const CFX_Color& c2) {
+ return !(c1 == c2);
+}
+
+#define PWL_SCROLLBAR_WIDTH 12.0f
+#define PWL_SCROLLBAR_TRANSPARENCY 150
+#define PWL_DEFAULT_SELBACKCOLOR \
+ CFX_Color(COLORTYPE_RGB, 0, 51.0f / 255.0f, 113.0f / 255.0f)
+#define PWL_DEFAULT_BLACKCOLOR CFX_Color(COLORTYPE_GRAY, 0)
+#define PWL_DEFAULT_WHITECOLOR CFX_Color(COLORTYPE_GRAY, 1)
+
+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_Edit* pEdit) = 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
+ CFX_Color sBackgroundColor; // optional
+ CPDFSDK_Widget::ObservedPtr pAttachedWidget; // required
+ BorderStyle nBorderStyle; // optional
+ int32_t dwBorderWidth; // optional
+ CFX_Color sBorderColor; // optional
+ CFX_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 CFX_Observable<CPWL_Wnd> {
+ 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 SetScrollInfo(const PWL_SCROLL_INFO& info);
+ virtual void SetScrollPosition(float pos);
+ virtual void ScrollWindowVertically(float pos);
+ virtual void NotifyLButtonDown(CPWL_Wnd* child, const CFX_PointF& pos);
+ virtual void NotifyLButtonUp(CPWL_Wnd* child, const CFX_PointF& pos);
+ virtual void NotifyMouseMove(CPWL_Wnd* child, const CFX_PointF& pos);
+ 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 void DeleteSelectedText();
+ 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);
+
+ CFX_Color GetBackgroundColor() const;
+ void SetBackgroundColor(const CFX_Color& color);
+ CFX_Color GetBorderColor() const;
+ CFX_Color GetTextColor() const;
+ void SetTextColor(const CFX_Color& color);
+ CFX_Color GetBorderLeftTopColor(BorderStyle nBorderStyle) const;
+ CFX_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 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 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;
+
+ static bool IsCTRLpressed(uint32_t nFlag) {
+ return CPDFSDK_FormFillEnvironment::IsCTRLKeyDown(nFlag);
+ }
+ static bool IsSHIFTpressed(uint32_t nFlag) {
+ return CPDFSDK_FormFillEnvironment::IsSHIFTKeyDown(nFlag);
+ }
+ static bool IsALTpressed(uint32_t nFlag) {
+ return CPDFSDK_FormFillEnvironment::IsALTKeyDown(nFlag);
+ }
+
+ private:
+ CFX_PointF ParentToChild(const CFX_PointF& point) const;
+ CFX_FloatRect ParentToChild(const CFX_FloatRect& rect) const;
+
+ 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_PWL_CPWL_WND_H_