X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ed9d5d17e180ec2aac7639c0ced1ccd8a0f885fc..d537baffe90cf5925fed4f5e4d90bb00e7514f9c:/include/wx/html/htmlcell.h?ds=inline diff --git a/include/wx/html/htmlcell.h b/include/wx/html/htmlcell.h index 29554c8713..4ec02db0b0 100644 --- a/include/wx/html/htmlcell.h +++ b/include/wx/html/htmlcell.h @@ -4,18 +4,13 @@ // as a basic visual element of HTML page // Author: Vaclav Slavik // RCS-ID: $Id$ -// Copyright: (c) 1999 Vaclav Slavik -// Licence: wxWindows Licence +// Copyright: (c) 1999-2003 Vaclav Slavik +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - #ifndef _WX_HTMLCELL_H_ #define _WX_HTMLCELL_H_ -#if defined(__GNUG__) && !defined(__APPLE__) -#pragma interface "htmlcell.h" -#endif - #include "wx/defs.h" #if wxUSE_HTML @@ -25,39 +20,49 @@ #include "wx/window.h" -class WXDLLEXPORT wxHtmlLinkInfo; -class WXDLLEXPORT wxHtmlCell; -class WXDLLEXPORT wxHtmlContainerCell; +class WXDLLIMPEXP_FWD_HTML wxHtmlWindowInterface; +class WXDLLIMPEXP_FWD_HTML wxHtmlLinkInfo; +class WXDLLIMPEXP_FWD_HTML wxHtmlCell; +class WXDLLIMPEXP_FWD_HTML wxHtmlContainerCell; // wxHtmlSelection is data holder with information about text selection. // Selection is defined by two positions (beginning and end of the selection) // and two leaf(!) cells at these positions. -class WXDLLEXPORT wxHtmlSelection +class WXDLLIMPEXP_HTML wxHtmlSelection { public: - wxHtmlSelection() + wxHtmlSelection() : m_fromPos(wxDefaultPosition), m_toPos(wxDefaultPosition), + m_fromPrivPos(wxDefaultPosition), m_toPrivPos(wxDefaultPosition), m_fromCell(NULL), m_toCell(NULL) {} - void Set(const wxPoint& fromPos, wxHtmlCell *fromCell, - const wxPoint& toPos, wxHtmlCell *toCell); - void Set(wxHtmlCell *fromCell, wxHtmlCell *toCell); - + void Set(const wxPoint& fromPos, const wxHtmlCell *fromCell, + const wxPoint& toPos, const wxHtmlCell *toCell); + void Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell); + const wxHtmlCell *GetFromCell() const { return m_fromCell; } const wxHtmlCell *GetToCell() const { return m_toCell; } - - // these values are *relative* to From/To cell's origin: + + // these values are in absolute coordinates: const wxPoint& GetFromPos() const { return m_fromPos; } const wxPoint& GetToPos() const { return m_toPos; } - const bool IsEmpty() const - { return m_fromPos == wxDefaultPosition && + // these are From/ToCell's private data + const wxPoint& GetFromPrivPos() const { return m_fromPrivPos; } + const wxPoint& GetToPrivPos() const { return m_toPrivPos; } + void SetFromPrivPos(const wxPoint& pos) { m_fromPrivPos = pos; } + void SetToPrivPos(const wxPoint& pos) { m_toPrivPos = pos; } + void ClearPrivPos() { m_toPrivPos = m_fromPrivPos = wxDefaultPosition; } + + bool IsEmpty() const + { return m_fromPos == wxDefaultPosition && m_toPos == wxDefaultPosition; } private: - wxPoint m_fromPos, m_toPos; - wxHtmlCell *m_fromCell, *m_toCell; + wxPoint m_fromPos, m_toPos; + wxPoint m_fromPrivPos, m_toPrivPos; + const wxHtmlCell *m_fromCell, *m_toCell; }; @@ -71,19 +76,19 @@ enum wxHtmlSelectionState // Selection state is passed to wxHtmlCell::Draw so that it can render itself // differently e.g. when inside text selection or outside it. -class WXDLLEXPORT wxHtmlRenderingState +class WXDLLIMPEXP_HTML wxHtmlRenderingState { public: wxHtmlRenderingState() : m_selState(wxHTML_SEL_OUT) {} - void SetSelectionState(wxHtmlSelectionState s) { m_selState = s; } + void SetSelectionState(wxHtmlSelectionState s) { m_selState = s; } wxHtmlSelectionState GetSelectionState() const { return m_selState; } void SetFgColour(const wxColour& c) { m_fgColour = c; } const wxColour& GetFgColour() const { return m_fgColour; } void SetBgColour(const wxColour& c) { m_bgColour = c; } const wxColour& GetBgColour() const { return m_bgColour; } - + private: wxHtmlSelectionState m_selState; wxColour m_fgColour, m_bgColour; @@ -91,15 +96,17 @@ private: // HTML rendering customization. This class is used when rendering wxHtmlCells -// as a callback . -class WXDLLEXPORT wxHtmlRenderingStyle +// as a callback: +class WXDLLIMPEXP_HTML wxHtmlRenderingStyle { public: + virtual ~wxHtmlRenderingStyle() {} virtual wxColour GetSelectedTextColour(const wxColour& clr) = 0; virtual wxColour GetSelectedTextBgColour(const wxColour& clr) = 0; }; -class WXDLLEXPORT wxDefaultHtmlRenderingStyle : public wxHtmlRenderingStyle +// Standard style: +class WXDLLIMPEXP_HTML wxDefaultHtmlRenderingStyle : public wxHtmlRenderingStyle { public: virtual wxColour GetSelectedTextColour(const wxColour& clr); @@ -110,19 +117,19 @@ public: // Information given to cells when drawing them. Contains rendering state, // selection information and rendering style object that can be used to // customize the output. -class WXDLLEXPORT wxHtmlRenderingInfo +class WXDLLIMPEXP_HTML wxHtmlRenderingInfo { public: wxHtmlRenderingInfo() : m_selection(NULL), m_style(NULL) {} void SetSelection(wxHtmlSelection *s) { m_selection = s; } wxHtmlSelection *GetSelection() const { return m_selection; } - + void SetStyle(wxHtmlRenderingStyle *style) { m_style = style; } wxHtmlRenderingStyle& GetStyle() { return *m_style; } wxHtmlRenderingState& GetState() { return m_state; } - + protected: wxHtmlSelection *m_selection; wxHtmlRenderingStyle *m_style; @@ -135,10 +142,17 @@ enum { wxHTML_FIND_EXACT = 1, wxHTML_FIND_NEAREST_BEFORE = 2, - wxHTML_FIND_NEAREST_AFTER = 4, + wxHTML_FIND_NEAREST_AFTER = 4 }; +// Superscript/subscript/normal script mode of a cell +enum wxHtmlScriptMode +{ + wxHTML_SCRIPT_NORMAL, + wxHTML_SCRIPT_SUB, + wxHTML_SCRIPT_SUP +}; // --------------------------------------------------------------------------- @@ -150,7 +164,7 @@ enum // --------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlCell : public wxObject +class WXDLLIMPEXP_HTML wxHtmlCell : public wxObject { public: wxHtmlCell(); @@ -162,9 +176,22 @@ public: int GetPosX() const {return m_PosX;} int GetPosY() const {return m_PosY;} int GetWidth() const {return m_Width;} + + // Returns the maximum possible length of the cell. + // Call Layout at least once before using GetMaxTotalWidth() + virtual int GetMaxTotalWidth() const { return m_Width; } + int GetHeight() const {return m_Height;} int GetDescent() const {return m_Descent;} + void SetScriptMode(wxHtmlScriptMode mode, long previousBase); + wxHtmlScriptMode GetScriptMode() const { return m_ScriptMode; } + long GetScriptBaseline() { return m_ScriptBaseline; } + + // Formatting cells are not visible on the screen, they only alter + // renderer's state. + bool IsFormattingCell() const { return m_Width == 0 && m_Height == 0; } + const wxString& GetId() const { return m_id; } void SetId(const wxString& id) { m_id = id; } @@ -174,6 +201,14 @@ public: int WXUNUSED(y) = 0) const { return m_Link; } + // Returns cursor to be used when mouse is over the cell: + virtual wxCursor GetMouseCursor(wxHtmlWindowInterface *window) const; + +#if WXWIN_COMPATIBILITY_2_6 + // this was replaced by GetMouseCursor, don't use in new code! + virtual wxCursor GetCursor() const; +#endif + // return next cell among parent's cells wxHtmlCell *GetNext() const {return m_Next;} // returns first child cell (if there are any, i.e. if this is container): @@ -215,12 +250,23 @@ public: // returns pointer to anchor news virtual const wxHtmlCell* Find(int condition, const void* param) const; + // This function is called when mouse button is clicked over the cell. + // Returns true if a link is clicked, false otherwise. // - // Parent is pointer to wxHtmlWindow that generated the event + // 'window' is pointer to wxHtmlWindowInterface of the window which + // generated the event. // HINT: if this handling is not enough for you you should use // wxHtmlWidgetCell - virtual void OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event); + virtual bool ProcessMouseClick(wxHtmlWindowInterface *window, + const wxPoint& pos, + const wxMouseEvent& event); + +#if WXWIN_COMPATIBILITY_2_6 + // this was replaced by ProcessMouseClick, don't use in new code! + virtual void OnMouseClick(wxWindow *window, + int x, int y, const wxMouseEvent& event); +#endif // This method used to adjust pagebreak position. The parameter is variable // that contains y-coordinate of page break (= horizontal line that should @@ -231,22 +277,19 @@ public: // Returned value : true if pagebreak was modified, false otherwise // Usage : while (container->AdjustPagebreak(&p)) {} virtual bool AdjustPagebreak(int *pagebreak, - int *known_pagebreaks = NULL, - int number_of_pages = 0) const; + wxArrayInt& known_pagebreaks) const; // Sets cell's behaviour on pagebreaks (see AdjustPagebreak). Default // is true - the cell can be split on two pages void SetCanLiveOnPagebreak(bool can) { m_CanLiveOnPagebreak = can; } - // Returns y-coordinates that contraint the cell, i.e. left is highest - // and right lowest coordinate such that the cell lays between then. - // Note: this method does not return meaningful values if you haven't - // called Layout() before! - virtual void GetHorizontalConstraints(int *left, int *right) const; + // Can the line be broken before this cell? + virtual bool IsLinebreakAllowed() const + { return !IsFormattingCell(); } // Returns true for simple == terminal cells, i.e. not composite ones. // This if for internal usage only and may disappear in future versions! - virtual bool IsTerminalCell() const { return TRUE; } + virtual bool IsTerminalCell() const { return true; } // Find a cell inside this cell positioned at the given coordinates // (relative to this's positions). Returns NULL if no such cell exists. @@ -256,20 +299,26 @@ public: virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y, unsigned flags = wxHTML_FIND_EXACT) const; - // Returns absolute position of the cell on HTML canvas - wxPoint GetAbsPos() const; + // Returns absolute position of the cell on HTML canvas. + // If rootCell is provided, then it's considered to be the root of the + // hierarchy and the returned value is relative to it. + wxPoint GetAbsPos(wxHtmlCell *rootCell = NULL) const; + + // Returns root cell of the hierarchy (i.e. grand-grand-...-parent that + // doesn't have a parent itself) + wxHtmlCell *GetRootCell() const; // Returns first (last) terminal cell inside this cell. It may return NULL, // but it is rare -- only if there are no terminals in the tree. - virtual wxHtmlCell *GetFirstTerminal() const + virtual wxHtmlCell *GetFirstTerminal() const { return wxConstCast(this, wxHtmlCell); } - virtual wxHtmlCell *GetLastTerminal() const + virtual wxHtmlCell *GetLastTerminal() const { return wxConstCast(this, wxHtmlCell); } // Returns cell's depth, i.e. how far under the root cell it is // (if it is the root, depth is 0) unsigned GetDepth() const; - + // Returns true if the cell appears before 'cell' in natural order of // cells (= as they are read). If cell A is (grand)parent of cell B, // then both A.IsBefore(B) and B.IsBefore(A) always return true. @@ -281,22 +330,28 @@ public: { return wxEmptyString; } protected: + // pointer to the next cell wxHtmlCell *m_Next; - // pointer to the next cell + // pointer to parent cell wxHtmlContainerCell *m_Parent; - // pointer to parent cell + + // dimensions of fragment (m_Descent is used to position text & images) long m_Width, m_Height, m_Descent; - // dimensions of fragment - // m_Descent is used to position text&images.. + // position where the fragment is drawn: long m_PosX, m_PosY; - // position where the fragment is drawn + + // superscript/subscript/normal: + wxHtmlScriptMode m_ScriptMode; + long m_ScriptBaseline; + + // destination address if this fragment is hypertext link, NULL otherwise wxHtmlLinkInfo *m_Link; - // destination address if this fragment is hypertext link, NULL otherwise + // true if this cell can be placed on pagebreak, false otherwise bool m_CanLiveOnPagebreak; - // true if this cell can be placed on pagebreak, false otherwise + // unique identifier of the cell, generated from "id" property of tags wxString m_id; - // unique identifier of the cell, generated from "id" property of tags + DECLARE_ABSTRACT_CLASS(wxHtmlCell) DECLARE_NO_COPY_CLASS(wxHtmlCell) }; @@ -313,21 +368,29 @@ protected: // Single word in input stream. // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlWordCell : public wxHtmlCell +class WXDLLIMPEXP_HTML wxHtmlWordCell : public wxHtmlCell { public: - wxHtmlWordCell(const wxString& word, wxDC& dc); + wxHtmlWordCell(const wxString& word, const wxDC& dc); void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, wxHtmlRenderingInfo& info); + virtual wxCursor GetMouseCursor(wxHtmlWindowInterface *window) const; wxString ConvertToText(wxHtmlSelection *sel) const; + bool IsLinebreakAllowed() const { return m_allowLinebreak; } + + void SetPreviousWord(wxHtmlWordCell *cell); protected: - void Split(wxDC& dc, + void SetSelectionPrivPos(const wxDC& dc, wxHtmlSelection *s) const; + void Split(const wxDC& dc, const wxPoint& selFrom, const wxPoint& selTo, - wxString& s1, wxString& s2, wxString& s3, - unsigned& pos1, unsigned& pos2); - + unsigned& pos1, unsigned& pos2) const; + wxString m_Word; + bool m_allowLinebreak; + + DECLARE_ABSTRACT_CLASS(wxHtmlWordCell) + DECLARE_NO_COPY_CLASS(wxHtmlWordCell) }; @@ -336,18 +399,19 @@ protected: // Container contains other cells, thus forming tree structure of rendering // elements. Basic code of layout algorithm is contained in this class. -class WXDLLEXPORT wxHtmlContainerCell : public wxHtmlCell +class WXDLLIMPEXP_HTML wxHtmlContainerCell : public wxHtmlCell { public: wxHtmlContainerCell(wxHtmlContainerCell *parent); - ~wxHtmlContainerCell(); + virtual ~wxHtmlContainerCell(); virtual void Layout(int w); virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, wxHtmlRenderingInfo& info); virtual void DrawInvisible(wxDC& dc, int x, int y, wxHtmlRenderingInfo& info); - virtual bool AdjustPagebreak(int *pagebreak, int *known_pagebreaks = NULL, int number_of_pages = 0) const; +/* virtual bool AdjustPagebreak(int *pagebreak, int *known_pagebreaks = NULL, int number_of_pages = 0) const;*/ + virtual bool AdjustPagebreak(int *pagebreak, wxArrayInt& known_pagebreaks) const; // insert cell at the end of m_Cells list void InsertCell(wxHtmlCell *cell); @@ -376,36 +440,52 @@ public: // sets minimal height of this container. void SetMinHeight(int h, int align = wxHTML_ALIGN_TOP) {m_MinHeight = h; m_MinHeightAlign = align; m_LastLayout = -1;} - void SetBackgroundColour(const wxColour& clr) {m_UseBkColour = TRUE; m_BkColour = clr;} + void SetBackgroundColour(const wxColour& clr) {m_UseBkColour = true; m_BkColour = clr;} // returns background colour (of wxNullColour if none set), so that widgets can // adapt to it: wxColour GetBackgroundColour(); - void SetBorder(const wxColour& clr1, const wxColour& clr2) {m_UseBorder = TRUE; m_BorderColour1 = clr1, m_BorderColour2 = clr2;} + void SetBorder(const wxColour& clr1, const wxColour& clr2) {m_UseBorder = true; m_BorderColour1 = clr1, m_BorderColour2 = clr2;} virtual wxHtmlLinkInfo* GetLink(int x = 0, int y = 0) const; virtual const wxHtmlCell* Find(int condition, const void* param) const; - virtual void OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event); - virtual void GetHorizontalConstraints(int *left, int *right) const; - virtual wxHtmlCell* GetFirstChild() const { return m_Cells; } -#if WXWIN_COMPATIBILITY_2_4 - wxDEPRECATED( wxHtmlCell* GetFirstCell() const ); +#if WXWIN_COMPATIBILITY_2_6 + // this was replaced by ProcessMouseClick, don't use in new code! + virtual void OnMouseClick(wxWindow *window, + int x, int y, const wxMouseEvent& event); #endif + virtual bool ProcessMouseClick(wxHtmlWindowInterface *window, + const wxPoint& pos, + const wxMouseEvent& event); + + virtual wxHtmlCell* GetFirstChild() const { return m_Cells; } + + // returns last child cell: + wxHtmlCell* GetLastChild() const { return m_LastCell; } // see comment in wxHtmlCell about this method - virtual bool IsTerminalCell() const { return FALSE; } + virtual bool IsTerminalCell() const { return false; } virtual wxHtmlCell *FindCellByPos(wxCoord x, wxCoord y, unsigned flags = wxHTML_FIND_EXACT) const; - + virtual wxHtmlCell *GetFirstTerminal() const; virtual wxHtmlCell *GetLastTerminal() const; + + // Removes indentation on top or bottom of the container (i.e. above or + // below first/last terminal cell). For internal use only. + virtual void RemoveExtraSpacing(bool top, bool bottom); + + // Returns the maximum possible length of the container. + // Call Layout at least once before using GetMaxTotalWidth() + virtual int GetMaxTotalWidth() const { return m_MaxTotalWidth; } + protected: void UpdateRenderingStatePre(wxHtmlRenderingInfo& info, wxHtmlCell *cell) const; void UpdateRenderingStatePost(wxHtmlRenderingInfo& info, wxHtmlCell *cell) const; - + protected: int m_IndentLeft, m_IndentRight, m_IndentTop, m_IndentBottom; // indentation of subcells. There is always m_Indent pixels @@ -429,16 +509,14 @@ protected: int m_LastLayout; // if != -1 then call to Layout may be no-op // if previous call to Layout has same argument + int m_MaxTotalWidth; + // Maximum possible length if ignoring line wrap + + DECLARE_ABSTRACT_CLASS(wxHtmlContainerCell) DECLARE_NO_COPY_CLASS(wxHtmlContainerCell) }; -#if WXWIN_COMPATIBILITY_2_4 -inline wxHtmlCell* wxHtmlContainerCell::GetFirstCell() const - { return GetFirstChild(); } -#endif - - // --------------------------------------------------------------------------- @@ -446,7 +524,7 @@ inline wxHtmlCell* wxHtmlContainerCell::GetFirstCell() const // Color changer. // --------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlColourCell : public wxHtmlCell +class WXDLLIMPEXP_HTML wxHtmlColourCell : public wxHtmlCell { public: wxHtmlColourCell(const wxColour& clr, int flags = wxHTML_CLR_FOREGROUND) : wxHtmlCell() {m_Colour = clr; m_Flags = flags;} @@ -458,6 +536,9 @@ public: protected: wxColour m_Colour; unsigned m_Flags; + + DECLARE_ABSTRACT_CLASS(wxHtmlColourCell) + DECLARE_NO_COPY_CLASS(wxHtmlColourCell) }; @@ -468,7 +549,7 @@ protected: // Sets actual font used for text rendering //-------------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlFontCell : public wxHtmlCell +class WXDLLIMPEXP_HTML wxHtmlFontCell : public wxHtmlCell { public: wxHtmlFontCell(wxFont *font) : wxHtmlCell() { m_Font = (*font); } @@ -479,6 +560,9 @@ public: protected: wxFont m_Font; + + DECLARE_ABSTRACT_CLASS(wxHtmlFontCell) + DECLARE_NO_COPY_CLASS(wxHtmlFontCell) }; @@ -493,7 +577,7 @@ protected: // (buttons, input boxes etc.) //-------------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlWidgetCell : public wxHtmlCell +class WXDLLIMPEXP_HTML wxHtmlWidgetCell : public wxHtmlCell { public: // !!! wnd must have correct parent! @@ -501,7 +585,7 @@ public: // it's width according to parent container's width // (w is percent of parent's width) wxHtmlWidgetCell(wxWindow *wnd, int w = 0); - ~wxHtmlWidgetCell() { m_Wnd->Destroy(); } + virtual ~wxHtmlWidgetCell() { m_Wnd->Destroy(); } virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, wxHtmlRenderingInfo& info); virtual void DrawInvisible(wxDC& dc, int x, int y, @@ -513,6 +597,7 @@ protected: int m_WidthFloat; // width float is used in adjustWidth (it is in percents) + DECLARE_ABSTRACT_CLASS(wxHtmlWidgetCell) DECLARE_NO_COPY_CLASS(wxHtmlWidgetCell) }; @@ -523,7 +608,7 @@ protected: // Internal data structure. It represents hypertext link //-------------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlLinkInfo : public wxObject +class WXDLLIMPEXP_HTML wxHtmlLinkInfo : public wxObject { public: wxHtmlLinkInfo() : wxObject() @@ -557,7 +642,7 @@ private: // wxHtmlTerminalCellsInterator // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlTerminalCellsInterator +class WXDLLIMPEXP_HTML wxHtmlTerminalCellsInterator { public: wxHtmlTerminalCellsInterator(const wxHtmlCell *from, const wxHtmlCell *to)