зеркало из https://github.com/mozilla/gecko-dev.git
494 строки
16 KiB
C++
494 строки
16 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef __WindowContext_H
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// Avoid include redundancy
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//
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#define __WindowContext_H
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// Purpose: Provide an abstract context in a window visible on a screen.
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// Comments: Ill named, as the window is actually a view.
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// Must be derived from to become useful.
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// Revision History:
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// 06-25-95 created GAB
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//
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// Required Includes
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//
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#include "cxpane.h"
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#include "frameglu.h"
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#include "xp_core.h"
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#include "xp_list.h"
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#include "tooltip.h"
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class CWinCX : public CPaneCX {
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// The view makes a comeback for performance reasons.
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// Leave at the top, forces crashers for bad casts in some cases.
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private:
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CGenericView *m_pGenView;
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public:
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CGenericView *GetView() { return m_pGenView; }
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// Construct, Destruction, Indirect construction
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public:
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CWinCX(CGenericDoc *pDoc, CFrameGlue *pFrame, CGenericView *pView, MWContextType mwType = MWContextBrowser, ContextType cxType = Window);
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~CWinCX();
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virtual void DestroyContext();
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virtual void Initialize(BOOL bOwnDC, RECT *pRect = NULL, BOOL bInitialPalette = TRUE, BOOL bNewMemDC = TRUE);
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// Null frame handling (absence of a frame handling)
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public:
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static CNullFrame *m_pNullFrame;
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static void *m_pExitCookie;
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// The view/frame working with this context.
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// We own a document (see CDCCX).
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// The OLE friend mucks with this.
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friend class CInPlaceFrame;
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protected:
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#ifdef DDRAW
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LPDIRECTDRAW m_lpDD; // DirectDraw object
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LPDIRECTDRAWSURFACE m_lpDDSPrimary; // DirectDraw primary surface
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LPDIRECTDRAWSURFACE m_lpDDSBack; // DirectDraw back surface
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LPDIRECTDRAWCLIPPER m_pClipper;
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LPDIRECTDRAWCLIPPER m_pOffScreenClipper;
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LPDIRECTDRAWPALETTE mg_pPal;
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DDSURFACEDESC m_surfDesc;
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BOOL m_ScrollWindow;
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LTRB m_physicWinRect;
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HDC m_offScreenDC;
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#endif
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CFrameGlue *m_pFrame;
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XP_List* imageToolTip;
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CNSToolTip *m_ToolTip;
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LO_ImageStruct* pLastToolTipImg;
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LO_AnchorData* m_pLastToolTipAnchor;
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public:
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CFrameGlue *GetFrame() const;
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void ClearView();
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void ClearFrame();
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CNSToolTip* CreateToolTip(LO_ImageStruct* pImage, CPoint& point, CL_Layer *layer);
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void RelayToolTipEvent(POINT pt, UINT message);
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void ClipChildren(CWnd *pWnd, BOOL bSet);
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// Palette Access
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public:
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virtual HPALETTE GetPalette() const;
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#ifdef DDRAW
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virtual int DisplayPixmap(NI_Pixmap* image, NI_Pixmap* mask, int32 x, int32 y, int32 x_offset, int32 y_offset, int32 width, int32 height, LTRB& Rect);
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#endif
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// CDC Access
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public:
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virtual HDC GetDispDC()
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{
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#ifdef DDRAW
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if (m_offScreenDC) return m_offScreenDC;
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else return GetContextDC();
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#else
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return GetContextDC();
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#endif
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}
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#ifdef DDRAW
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void CalcWinPos();
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int GetWindowsXPos() {return (int)m_physicWinRect.left;}
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int GetWindowsYPos() {return (int)m_physicWinRect.top;}
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virtual void LockOffscreenSurfDC() { m_lpDDSBack->GetDC(&m_offScreenDC); }
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virtual void ReleaseOffscreenSurfDC()
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{ if (m_lpDDSBack) m_lpDDSBack->ReleaseDC(m_offScreenDC);}
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void ReleaseDrawSurface();
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void RestoreAllDrawSurface();
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void ScrollWindow(int x, int y);
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LPDIRECTDRAWCLIPPER GetClip() {return m_pClipper;}
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LPDIRECTDRAWSURFACE GetPrimarySurface() {return m_lpDDSPrimary;}
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LPDIRECTDRAWSURFACE GetBackSurface() {return m_lpDDSBack;}
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LPDIRECTDRAW GetDrawObj() {return m_lpDD;}
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LPDDSURFACEDESC GetSurfDesc() {return &m_surfDesc;}
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void SetClipOnDrawSurface(LPDIRECTDRAWSURFACE surface, HRGN hClipRgn);
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LPDIRECTDRAWSURFACE CreateOffscreenSurface(RECT& rect);
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void CreateAndLockOffscreenSurface(RECT& rect);
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void BltToScreen(LTRB& rect, DDBLTFX* fx = NULL);
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#endif
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void ResetToolTipImg();
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// For dialogs
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public:
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virtual CWnd *GetDialogOwner() const;
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// When in layout, we need a special case to detect if we need to reload the document
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// if the user resizes the window.
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protected:
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BOOL m_bIsLayingOut; // Set in LayoutNewDocument and LayoutFinished
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public:
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BOOL IsLayingOut() const {
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return(m_bIsLayingOut);
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}
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// Can we accept mouse clicks?
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BOOL IsClickingEnabled() const;
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// Cached mouse hits.
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public:
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CPoint m_cpLBDClick;
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CPoint m_cpLBDown;
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CPoint m_cpLBUp;
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CPoint m_cpMMove;
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CPoint m_cpRBDClick;
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CPoint m_cpRBDown;
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CPoint m_cpRBUp;
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// Mouse state.
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public:
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enum MouseEvent {
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m_None,
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m_LBDClick,
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m_LBDown,
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m_LBUp,
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m_MMove,
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m_RBDClick,
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m_RBDown,
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m_RBUp
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} m_LastMouseEvent;
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UINT m_uMouseFlags;
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BOOL m_bLBDown;
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BOOL m_bLBUp;
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// Timer processing.
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public:
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BOOL m_bScrollingTimerSet;
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BOOL m_bMouseMoveTimerSet;
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// Currently selected embedded item, or NULL on none.
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public:
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LO_EmbedStruct *m_pSelected;
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// Last highlighted anchor, NULL if none.
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protected:
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LO_Element *m_pLastArmedAnchor;
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// Window notifications.
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// These are pretty much identical to MFC functions names with the added CX
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protected:
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virtual void AftWMSize(PaneMessage *pMessage);
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public:
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#ifdef EDITOR
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virtual void Scroll(int iBars, UINT uSBCode, UINT uPos, HWND hCtrl, UINT uTimes = 1);
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#endif
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virtual void OnMoveCX();
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virtual void OnDeactivateEmbedCX();
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#ifdef LAYERS
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virtual BOOL HandleLayerEvent(CL_Layer * pLayer, CL_Event * pEvent);
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virtual BOOL HandleEmbedEvent(LO_EmbedStruct *embed, CL_Event * pEvent);
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#endif /* LAYERS */
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virtual void OnLButtonDblClkCX(UINT uFlags, CPoint cpPoint);
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virtual void OnLButtonDownCX(UINT uFlags, CPoint cpPoint);
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virtual void OnLButtonUpCX(UINT uFlags, CPoint cpPoint, BOOL &bReturnImmediately);
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virtual void OnMouseMoveCX(UINT uFlags, CPoint cpPoint, BOOL &bReturnImmediately);
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virtual void OnRButtonDblClkCX(UINT uFlags, CPoint cpPoint);
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virtual void OnRButtonDownCX(UINT uFlags, CPoint cpPoint);
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virtual void OnRButtonUpCX(UINT uFlags, CPoint cpPoint);
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virtual BOOL OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
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virtual BOOL OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags);
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#ifdef LAYERS
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// These are the per-layer event handlers.
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virtual void OnLButtonDblClkForLayerCX(UINT uFlags, CPoint& cpPoint,
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XY& xyPoint, CL_Layer *layer);
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virtual void OnLButtonDownForLayerCX(UINT uFlags, CPoint& cpPoint,
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XY& xyPoint, CL_Layer *layer);
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virtual void OnLButtonUpForLayerCX(UINT uFlags, CPoint& cpPoint,
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XY& xyPoint, CL_Layer *layer, BOOL &bReturnImmediately);
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virtual void OnMouseMoveForLayerCX(UINT uFlags, CPoint& cpPoint,
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XY& xyPoint, CL_Layer *layer, BOOL &bReturnImmediately);
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virtual BOOL OnRButtonDownForLayerCX(UINT uFlags, CPoint& cpPoint,
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XY& xyPoint, CL_Layer *layer);
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virtual void OnRButtonDblClkForLayerCX(UINT uFlags, CPoint& cpPoint,
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XY& xyPoint, CL_Layer *layer);
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virtual void OnRButtonUpForLayerCX(UINT uFlags, CPoint& cpPoint,
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XY& xyPoint, CL_Layer *layer);
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#endif /* LAYERS */
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virtual void OnNcPaintCX();
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virtual void OnNcCalcSizeCX(BOOL bCalcValidRects, NCCALCSIZE_PARAMS* lpncsp);
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// This is used to track the window rect between OnSize
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// messages. If the actual window rect has not
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// changed, then expect that we do not need to
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// redraw the view (InValidate/UpdateWindow).
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private:
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CRect m_crWindowRect;
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public:
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// Analogous to m_pLastArmedAnchor,
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// remember an image we click on
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// to do drag n drop to editor
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// Public so the view can access it for
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// copy-image-to-clipboard
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LO_ImageStruct *m_pLastImageObject;
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int32 RightMargin() {
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return(m_lRightMargin);
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}
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// URL Retrieval.
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public:
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virtual int GetUrl(URL_Struct *pUrl, FO_Present_Types iFormatOut, BOOL bReallyLoad = TRUE, BOOL bForceNew = FALSE);
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// Progress helpers.
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protected:
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int32 m_lOldPercent;
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public:
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int32 QueryProgressPercent();
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void StartAnimation();
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void StopAnimation();
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// #ifdef EDITOR
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// Test if screen point, such mouse cursor,
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// is within a single selected region.
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BOOL PtInSelectedRegion(CPoint cPoint, BOOL bConvertToDocCoordinates = FALSE, CL_Layer *layer = NULL);
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BOOL PtInSelectedCell(CPoint &DocPoint, LO_CellStruct *cell,
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BOOL &bContinue, LO_Element *start_element,
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LO_Element *end_element);
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// Flags used during drag/drop
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BOOL m_bMouseInSelection;
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// Drag current doc URL from the URL Bitmap to whatever
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// destination accepts a Bookmark OLE struct or URL text
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void DragCurrentURL();
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void CopyCurrentURL();
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void DragSelection();
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// TRUE when we are dragging something from this context
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BOOL m_bDragging;
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// Browser doesn't need this, but Editor
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// does to prevent errant mouse-over message
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// which results in wrong cursor for right-button popup menu
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BOOL m_bInPopupMenu;
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LTRB m_rectSizing;
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// Save the time when button goes down to allow
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// 1-pixel resizing only if a time threshold
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// has been exceeded
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time_t m_StartSizingTime;
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// Used only in Editor when dragging to select multiple cells
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BOOL m_bSelectingCells;
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public:
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void CancelSizing();
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BOOL IsDragging() { return(m_bDragging); }
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// Targeted load operations.
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public:
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CWinCX *DetermineTarget(const char *pTarget);
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// Saving what is currently in the frames location bar,
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// so we don't go blowing it away.
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protected:
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CString m_csSaveLocationBarText;
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// Funtion to get our view's offset into the frame window.
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public:
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void GetViewOffsetInFrame(CPoint& cpRetval) const;
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// Function to tell the context it is now the active
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// context in a frame.
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private:
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BOOL m_bActiveState;
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public:
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BOOL IsActive() const {
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return(m_bActiveState);
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}
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void ActivateCX(BOOL bNowActive);
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// Modality support.
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public:
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void GoModal(MWContext *pModalOver);
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protected:
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CPtrList m_cplModalOver;
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// Close callback support.
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private:
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CPtrList m_cplCloseCallbacks;
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CPtrList m_cplCloseCallbackArgs;
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public:
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void CloseCallback(void (*)(void *), void *);
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// Resize and close disabling.
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public:
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void EnableResize(BOOL bEnable = TRUE);
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void EnableClose(BOOL bEnable = TRUE);
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// Wether or not our size was determined via chrome.
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public:
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BOOL m_bSizeIsChrome;
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//Z order locking
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void SetZOrder(BOOL bZLock = FALSE, BOOL bBottommost = FALSE);
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void DisableHotkeys(BOOL bDisable = FALSE);
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// Wether or not we attempt to draw a border.
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private:
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BOOL m_bHasBorder;
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public:
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void SetBorder(BOOL bBorder) {
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m_bHasBorder = bBorder;
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}
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// How to correclty handle mouse entering element
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// regions and reporting this to the backend.
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// Note: The element pointers are not valid after relayout -
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// must call ClearLastElemen() just before or after a relayout
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protected:
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BOOL m_bLastOverTextSet;
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LO_Element *m_pLastOverElement;
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LO_AnchorData *m_pLastOverAnchorData;
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LO_Element *m_pStartSelectionCell;
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//#ifndef NO_TAB_NAVIGATION
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public :
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void ClearLastElement() {m_pLastOverElement = NULL; m_pLastOverAnchorData = NULL; m_pStartSelectionCell = NULL;}
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int32 getLastFocusAreaIndex();
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LO_AnchorData *CWinCX::getLastFocusAnchorPointer();
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char *CWinCX::getLastFocusAnchorStr();
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LO_TabFocusData * CWinCX::getLastTabFocusData();
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LO_Element *CWinCX::getLastTabFocusElement();
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int CWinCX::invalidateSegmentedTextElement( LO_TabFocusData *pNextTabFocus, int forward );
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void CWinCX::setFormElementTabFocus( LO_Element * pFormElement );
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void CWinCX::invalidateElement( LO_Element *pElement );
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BOOL CWinCX::setTabFocusNext( int forward ); // try myself and then siblings
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BOOL CWinCX::setNextTabFocusInWin( int forward ); // only in myself
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BOOL CWinCX::setTabFocusNextChild( MWContext *currentChildContext, int forward ); // as a parent, try other children
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BOOL CWinCX::fireTabFocusElement( UINT nChar); // WPARAM vKey );
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int CWinCX::setTextTabFocusDrawFlag( LO_TextStruct *pText, uint32 *pFlag );
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int CWinCX::getImageDrawFlag(MWContext *context, LO_ImageStruct *pImage, lo_MapAreaRec **ppArea, uint32 *pFlag );
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void CWinCX::DisplayFeedback(MWContext *pContext, int iLocation, LO_Element *pElement);
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private :
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void CWinCX::SetActiveWindow();
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void CWinCX::setLastTabFocusElement( LO_TabFocusData *pNextTabFocus, int needSetFocus );
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void CWinCX::SetMainFrmTabFocusFlag( int nn );
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void CWinCX::ClearMainFrmTabFocusFlag( void );
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private :
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LO_TabFocusData m_lastTabFocus;
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int m_isReEntry_setLastTabFocusElement; // to provent re-entry
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BOOL SaveOleDocument();
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//#endif /* NO_TAB_NAVIGATION */
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public:
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LO_AnchorData *GetAreaAnchorData(LO_Element *pElement);
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void FireMouseOutEvent(BOOL bClearElement, BOOL bClearAnchor, int32 xVal, int32 yVal,
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CL_Layer *layer);
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void FireMouseOverEvent(LO_Element *pElement, int32 xVal, int32 yVal,
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CL_Layer *layer);
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// Misc MFC helpers.
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public:
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virtual void OpenFile();
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virtual BOOL CanOpenFile();
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virtual void SaveAs();
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virtual BOOL CanSaveAs();
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virtual void PrintContext();
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virtual void Print();
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virtual BOOL CanPrint(BOOL bPreview = FALSE);
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virtual void AllFind(MWContext *pSearchContext = NULL);
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virtual BOOL CanAllFind();
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virtual void FindAgain();
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virtual BOOL CanFindAgain() const { return(!theApp.m_csFindString.IsEmpty()); }
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virtual BOOL DoFind(CWnd * pWnd, const char * pFindWhat, BOOL bMatchcase,
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BOOL bSearchDown, BOOL bAlertOnNotFound);
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virtual BOOL CanViewSource();
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virtual void ViewSource();
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virtual BOOL CanDocumentInfo();
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virtual void DocumentInfo();
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virtual BOOL CanFrameSource();
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virtual void FrameSource();
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virtual BOOL CanFrameInfo();
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virtual void FrameInfo();
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virtual BOOL CanGoHome();
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virtual void GoHome();
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virtual BOOL CanUploadFile();
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virtual void UploadFile();
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// Context Overrides
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public:
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virtual void LayoutNewDocument(MWContext *pContext, URL_Struct *pURL, int32 *pWidth, int32 *pHeight, int32 *pmWidth, int32 *pmHeight);
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virtual void FinishedLayout(MWContext *pContext);
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virtual void AllConnectionsComplete(MWContext *pContext);
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virtual void UpdateStopState(MWContext *pContext);
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virtual void SetDocTitle(MWContext *pContext, char *pTitle);
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virtual void SetInternetKeyword(const char *keyword);
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virtual void ClearView(MWContext *pContext, int iView);
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virtual void CreateEmbedWindow(MWContext *pContext, NPEmbeddedApp *pApp);
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virtual void SaveEmbedWindow(MWContext *pContext, NPEmbeddedApp *pApp);
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virtual void RestoreEmbedWindow(MWContext *pContext, NPEmbeddedApp *pApp);
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virtual void DestroyEmbedWindow(MWContext *pContext, NPEmbeddedApp *pApp);
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virtual void DisplayJavaApp(MWContext *pContext, int iLocation, LO_JavaAppStruct *java_struct);
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#ifdef TRANSPARENT_APPLET
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virtual void HandleClippingView(MWContext *pContext, LJAppletData *appletD, int x, int y, int width, int height);
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#endif
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virtual void HideJavaAppElement(MWContext *pContext, LJAppletData * session_data);
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virtual void SetDocDimension(MWContext *pContext, int iLocation, int32 lWidth, int32 lLength);
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virtual void SetDocPosition(MWContext *pContext, int iLocation, int32 lX, int32 lY);
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virtual void FreeJavaAppElement(MWContext *pContext, LJAppletData *appletD);
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virtual void GetJavaAppSize(MWContext *pContext, LO_JavaAppStruct *java_struct, NET_ReloadMethod bReload);
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virtual void DisplayText(MWContext *pContext, int iLocation, LO_TextStruct *pText, XP_Bool clear);
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virtual void DisplaySubtext(MWContext *pContext, int iLocation, LO_TextStruct *pText, int32 lStartPos, int32 lEndPos, XP_Bool clear);
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virtual void SetProgressBarPercent(MWContext *pContext, int32 lPercent);
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virtual void Progress(MWContext *pContext, const char *pMessage);
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#ifndef MOZ_NGLAYOUT
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virtual void DisplayEdge(MWContext *pContext, int iLocation, LO_EdgeStruct *pEdge);
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virtual void FreeEdgeElement(MWContext *pContext, LO_EdgeStruct *pEdge);
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#endif
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virtual void EnableClicking(MWContext *pContext);
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// Misc draw helpers
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public:
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#ifdef EDITOR
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virtual void PreWMErasebkgnd(PaneMessage *pMsg);
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#endif
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// Helper for erasing text structures
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BOOL EraseTextBkgnd(HDC pDC, RECT&, LO_TextStruct*);
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// Break out code in OnMouseMove handler so it can be used
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// during dragging in the Editor
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BOOL CheckAndScrollWindow(int32 xVal, int32 yVal, CL_Layer *layer, int32 iBorderThreshhold = 0);
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};
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// Global variables
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//
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// Macros
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//
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// Function declarations
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//
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#endif // __WindowContext_H
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