X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ed9d5d17e180ec2aac7639c0ced1ccd8a0f885fc..b76f0023ae275de2d71ed735a95d2ecb81d4ea74:/include/wx/html/htmlcell.h?ds=sidebyside diff --git a/include/wx/html/htmlcell.h b/include/wx/html/htmlcell.h index 29554c8713..312b50634e 100644 --- a/include/wx/html/htmlcell.h +++ b/include/wx/html/htmlcell.h @@ -4,7 +4,7 @@ // as a basic visual element of HTML page // Author: Vaclav Slavik // RCS-ID: $Id$ -// Copyright: (c) 1999 Vaclav Slavik +// Copyright: (c) 1999-2003 Vaclav Slavik // Licence: wxWindows Licence ///////////////////////////////////////////////////////////////////////////// @@ -12,7 +12,7 @@ #ifndef _WX_HTMLCELL_H_ #define _WX_HTMLCELL_H_ -#if defined(__GNUG__) && !defined(__APPLE__) +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "htmlcell.h" #endif @@ -25,39 +25,48 @@ #include "wx/window.h" -class WXDLLEXPORT wxHtmlLinkInfo; -class WXDLLEXPORT wxHtmlCell; -class WXDLLEXPORT wxHtmlContainerCell; +class WXDLLIMPEXP_HTML wxHtmlLinkInfo; +class WXDLLIMPEXP_HTML wxHtmlCell; +class WXDLLIMPEXP_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() : 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; } + + // 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; } const 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; }; @@ -71,7 +80,7 @@ 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) {} @@ -91,15 +100,16 @@ 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 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); @@ -110,7 +120,7 @@ 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) {} @@ -135,7 +145,7 @@ enum { wxHTML_FIND_EXACT = 1, wxHTML_FIND_NEAREST_BEFORE = 2, - wxHTML_FIND_NEAREST_AFTER = 4, + wxHTML_FIND_NEAREST_AFTER = 4 }; @@ -150,7 +160,7 @@ enum // --------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlCell : public wxObject +class WXDLLIMPEXP_HTML wxHtmlCell : public wxObject { public: wxHtmlCell(); @@ -162,9 +172,18 @@ 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;} + // 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 +193,9 @@ public: int WXUNUSED(y) = 0) const { return m_Link; } + // Returns cursor to be used when mouse is over the cell: + virtual wxCursor GetCursor() const; + // 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): @@ -237,12 +259,10 @@ public: // 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! @@ -274,7 +294,7 @@ public: // 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. bool IsBefore(wxHtmlCell *cell) const; - + // Converts the cell into text representation. If sel != NULL then // only part of the cell inside the selection is converted. virtual wxString ConvertToText(wxHtmlSelection *WXUNUSED(sel)) const @@ -297,6 +317,7 @@ protected: 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 +334,29 @@ protected: // Single word in input stream. // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlWordCell : public wxHtmlCell +class WXDLLIMPEXP_HTML wxHtmlWordCell : public wxHtmlCell { public: wxHtmlWordCell(const wxString& word, wxDC& dc); void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, wxHtmlRenderingInfo& info); + wxCursor GetCursor() const; wxString ConvertToText(wxHtmlSelection *sel) const; + bool IsLinebreakAllowed() const { return m_allowLinebreak; } + + void SetPreviousWord(wxHtmlWordCell *cell); protected: + void SetSelectionPrivPos(wxDC& dc, wxHtmlSelection *s) const; void Split(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) }; @@ -336,7 +365,7 @@ 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); @@ -384,7 +413,6 @@ public: 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 @@ -399,6 +427,15 @@ public: 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. + 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, @@ -429,7 +466,11 @@ 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) }; @@ -446,7 +487,7 @@ 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 +499,9 @@ public: protected: wxColour m_Colour; unsigned m_Flags; + + DECLARE_ABSTRACT_CLASS(wxHtmlColourCell) + DECLARE_NO_COPY_CLASS(wxHtmlColourCell) }; @@ -468,7 +512,7 @@ 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 +523,9 @@ public: protected: wxFont m_Font; + + DECLARE_ABSTRACT_CLASS(wxHtmlFontCell) + DECLARE_NO_COPY_CLASS(wxHtmlFontCell) }; @@ -493,7 +540,7 @@ protected: // (buttons, input boxes etc.) //-------------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlWidgetCell : public wxHtmlCell +class WXDLLIMPEXP_HTML wxHtmlWidgetCell : public wxHtmlCell { public: // !!! wnd must have correct parent! @@ -513,6 +560,7 @@ 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 +571,7 @@ protected: // Internal data structure. It represents hypertext link //-------------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlLinkInfo : public wxObject +class WXDLLIMPEXP_HTML wxHtmlLinkInfo : public wxObject { public: wxHtmlLinkInfo() : wxObject() @@ -557,7 +605,7 @@ private: // wxHtmlTerminalCellsInterator // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxHtmlTerminalCellsInterator +class WXDLLIMPEXP_HTML wxHtmlTerminalCellsInterator { public: wxHtmlTerminalCellsInterator(const wxHtmlCell *from, const wxHtmlCell *to)