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PL286/external/pdfium/fpdfsdk/pdfwindow/PWL_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_PDFWINDOW_PWL_WND_H_
#define FPDFSDK_PDFWINDOW_PWL_WND_H_
#include <memory>
#include <vector>
#include "core/fpdfdoc/cpdf_formcontrol.h"
#include "core/fxcrt/cfx_observable.h"
#include "core/fxcrt/fx_basic.h"
#include "fpdfsdk/cfx_systemhandler.h"
#include "fpdfsdk/cpdfsdk_widget.h"
#include "fpdfsdk/pdfwindow/cpwl_color.h"
class CPWL_MsgControl;
class CPWL_ScrollBar;
class CPWL_Timer;
class CPWL_TimerHandler;
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;
/*
0 L"&Undo\tCtrl+Z"
1 L"&Redo\tCtrl+Shift+Z"
2 L"Cu&t\tCtrl+X"
3 L"&Copy\tCtrl+C"
4 L"&Paste\tCtrl+V"
5 L"&Delete"
6 L"&Select All\tCtrl+A"
*/
virtual CFX_WideString LoadPopupMenuString(int32_t nIndex) = 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
FX_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_Timer {
public:
CPWL_Timer(CPWL_TimerHandler* pAttached, CFX_SystemHandler* pSystemHandler);
virtual ~CPWL_Timer();
int32_t SetPWLTimer(int32_t nElapse);
void KillPWLTimer();
static void TimerProc(int32_t idEvent);
private:
int32_t m_nTimerID;
CPWL_TimerHandler* m_pAttached;
CFX_SystemHandler* m_pSystemHandler;
};
class CPWL_TimerHandler {
public:
CPWL_TimerHandler();
virtual ~CPWL_TimerHandler();
void BeginTimer(int32_t nElapse);
void EndTimer();
virtual void TimerProc();
virtual CFX_SystemHandler* GetSystemHandler() const = 0;
private:
std::unique_ptr<CPWL_Timer> m_pTimer;
};
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(FX_FLOAT fFontSize);
virtual FX_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;
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_PWL_WND_H_