X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5526e819eca4465ed5520d49bccfebc6a28045e0..4087064a382ca938e9b7889a9aafd6340b54d6c5:/include/wx/html/htmlcell.h diff --git a/include/wx/html/htmlcell.h b/include/wx/html/htmlcell.h index 23293c93b0..17e108a08d 100644 --- a/include/wx/html/htmlcell.h +++ b/include/wx/html/htmlcell.h @@ -3,28 +3,31 @@ // Purpose: wxHtmlCell class is used by wxHtmlWindow/wxHtmlWinParser // as a basic visual element of HTML page // Author: Vaclav Slavik +// RCS-ID: $Id$ // Copyright: (c) 1999 Vaclav Slavik // Licence: wxWindows Licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __HTMLCELL_H__ -#define __HTMLCELL_H__ +#ifndef _WX_HTMLCELL_H_ +#define _WX_HTMLCELL_H_ #ifdef __GNUG__ -#pragma interface +#pragma interface "htmlcell.h" #endif #include "wx/defs.h" + #if wxUSE_HTML +#include "wx/html/htmltag.h" +#include "wx/html/htmldefs.h" +#include "wx/window.h" -#include -#include -#include -class wxHtmlCell; -class wxHtmlContainerCell; +class WXDLLEXPORT wxHtmlLinkInfo; +class WXDLLEXPORT wxHtmlCell; +class WXDLLEXPORT wxHtmlContainerCell; //-------------------------------------------------------------------------------- // wxHtmlCell @@ -36,74 +39,94 @@ class wxHtmlContainerCell; class WXDLLEXPORT wxHtmlCell : public wxObject { - protected: - wxHtmlCell *m_Next; - // pointer to the next cell - wxHtmlContainerCell *m_Parent; - // pointer to parent cell - long m_Width, m_Height, m_Descent; - // dimensions of fragment - // m_Descent is used to position text&images.. - long m_PosX, m_PosY; - // position where the fragment is drawn - wxString m_Link; - // destination address if this fragment is hypertext link, "" otherwise - - public: - wxHtmlCell() : wxObject() {m_Next = NULL; m_Parent = NULL; m_Width = m_Height = m_Descent = 0;}; - virtual ~wxHtmlCell() {if (m_Next) delete m_Next;}; - - void SetParent(wxHtmlContainerCell *p) {m_Parent = p;} - wxHtmlContainerCell *GetParent() const {return m_Parent;} - - int GetPosX() const {return m_PosX;} - int GetPosY() const {return m_PosY;} - int GetWidth() const {return m_Width;} - int GetHeight() const {return m_Height;} - int GetDescent() const {return m_Descent;} - virtual wxString GetLink(int x = 0, int y = 0) const {return m_Link;} - // returns the link associated with this cell. The position is position within - // the cell so it varies from 0 to m_Width, from 0 to m_Height - wxHtmlCell *GetNext() const {return m_Next;} - // members access methods - - virtual void SetPos(int x, int y) {m_PosX = x, m_PosY = y;} - void SetLink(const wxString& link) {m_Link = link;} - void SetNext(wxHtmlCell *cell) {m_Next = cell;} - // members writin methods - - virtual void Layout(int w) {SetPos(0, 0); if (m_Next) m_Next -> Layout(w);}; - // 1. adjust cell's width according to the fact that maximal possible width is w. - // (this has sense when working with horizontal lines, tables etc.) - // 2. prepare layout (=fill-in m_PosX, m_PosY (and sometime m_Height) members) - // = place items to fit window, according to the width w - - virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) {if (m_Next) m_Next -> Draw(dc, x, y, view_y1, view_y2);} - // renders the cell - - virtual void DrawInvisible(wxDC& dc, int x, int y) {if (m_Next) m_Next -> DrawInvisible(dc, x, y);}; - // proceed drawing actions in case the cell is not visible (scrolled out of screen). - // This is needed to change fonts, colors and so on - - virtual const wxHtmlCell* Find(int condition, const void* param) const {if (m_Next) return m_Next -> Find(condition, param); else return NULL;} - // This method returns pointer to the FIRST cell for that - // the condition - // is true. It first checks if the condition is true for this - // cell and then calls m_Next -> Find(). (Note: it checks - // all subcells if the cell is container) - // Condition is unique condition identifier (see htmldefs.h) - // (user-defined condition IDs should start from 10000) - // and param is optional parameter - // Example : m_Cell -> Find(HTML_COND_ISANCHOR, "news"); - // returns pointer to anchor news - - virtual void OnMouseClick(wxWindow *parent, int x, int y, bool left, bool middle, bool right); - // This function is called when mouse button is clicked over the cell. - // left, middle, right are flags indicating whether the button was or wasn't - // pressed. - // Parent is pointer to wxHtmlWindow that generated the event - // HINT: if this handling is not enough for you you should use - // wxHtmlBinderCell +public: + wxHtmlCell(); + virtual ~wxHtmlCell(); + + void SetParent(wxHtmlContainerCell *p) {m_Parent = p;} + wxHtmlContainerCell *GetParent() const {return m_Parent;} + + int GetPosX() const {return m_PosX;} + int GetPosY() const {return m_PosY;} + int GetWidth() const {return m_Width;} + int GetHeight() const {return m_Height;} + int GetDescent() const {return m_Descent;} + + // returns the link associated with this cell. The position is position within + // the cell so it varies from 0 to m_Width, from 0 to m_Height + virtual wxHtmlLinkInfo* GetLink(int WXUNUSED(x) = 0, int WXUNUSED(y) = 0) const + { return m_Link; } + + // members access methods + wxHtmlCell *GetNext() const {return m_Next;} + + // members writin methods + virtual void SetPos(int x, int y) {m_PosX = x, m_PosY = y;} + void SetLink(const wxHtmlLinkInfo& link); + void SetNext(wxHtmlCell *cell) {m_Next = cell;} + + // 1. adjust cell's width according to the fact that maximal possible width is w. + // (this has sense when working with horizontal lines, tables etc.) + // 2. prepare layout (=fill-in m_PosX, m_PosY (and sometime m_Height) members) + // = place items to fit window, according to the width w + virtual void Layout(int w); + + // renders the cell + virtual void Draw(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(view_y2)) {} + + // proceed drawing actions in case the cell is not visible (scrolled out of screen). + // This is needed to change fonts, colors and so on + virtual void DrawInvisible(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(y)) {} + + // This method returns pointer to the FIRST cell for that + // the condition + // is true. It first checks if the condition is true for this + // cell and then calls m_Next->Find(). (Note: it checks + // all subcells if the cell is container) + // Condition is unique condition identifier (see htmldefs.h) + // (user-defined condition IDs should start from 10000) + // and param is optional parameter + // Example : m_Cell->Find(wxHTML_COND_ISANCHOR, "news"); + // 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. + // left, middle, right are flags indicating whether the button was or wasn't + // pressed. + // Parent is pointer to wxHtmlWindow that generated the event + // HINT: if this handling is not enough for you you should use + // wxHtmlBinderCell + virtual void OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event); + + // This method used to adjust pagebreak position. The parameter is + // variable that contains y-coordinate of page break (= horizontal line that + // should not be crossed by words, images etc.). If this cell cannot be divided + // into two pieces (each one on another page) then it moves the pagebreak + // few pixels up. + // + // Returned value : true if pagebreak was modified, false otherwise + // Usage : while (container->AdjustPagebreak(&p)) {} + virtual bool AdjustPagebreak(int *pagebreak) 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;} + + +protected: + wxHtmlCell *m_Next; + // pointer to the next cell + wxHtmlContainerCell *m_Parent; + // pointer to parent cell + long m_Width, m_Height, m_Descent; + // dimensions of fragment + // m_Descent is used to position text&images.. + long m_PosX, m_PosY; + // position where the fragment is drawn + wxHtmlLinkInfo *m_Link; + // destination address if this fragment is hypertext link, "" otherwise + bool m_CanLiveOnPagebreak; + // true if this cell can be placed on pagebreak, false otherwise }; @@ -121,12 +144,12 @@ class WXDLLEXPORT wxHtmlCell : public wxObject class WXDLLEXPORT wxHtmlWordCell : public wxHtmlCell { - protected: - wxString m_Word; +public: + wxHtmlWordCell(const wxString& word, wxDC& dc); + void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); - public: - wxHtmlWordCell(const wxString& word, wxDC& dc); - void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); +protected: + wxString m_Word; }; @@ -140,72 +163,74 @@ class WXDLLEXPORT wxHtmlWordCell : public wxHtmlCell class WXDLLEXPORT wxHtmlContainerCell : public wxHtmlCell { - protected: - int m_IndentLeft, m_IndentRight, m_IndentTop, m_IndentBottom; - // indentation of subcells. There is always m_Indent pixels - // big space between given border of the container and the subcells - // it m_Indent < 0 it is in PERCENTS, otherwise it is in pixels - int m_MinHeight, m_MinHeightAlign; - // minimal height. - int m_MaxLineWidth; - // maximal widht of line. Filled during Layout() - wxHtmlCell *m_Cells, *m_LastCell; - // internal cells, m_Cells points to the first of them, m_LastCell to the last one. - // (LastCell is needed only to speed-up InsertCell) - int m_AlignHor, m_AlignVer; - // alignment horizontal and vertical (left, center, right) - int m_WidthFloat, m_WidthFloatUnits; - // width float is used in adjustWidth - bool m_UseBkColour; - wxColour m_BkColour; - // background color of this container - bool m_UseBorder; - wxColour m_BorderColour1, m_BorderColour2; - // borders color of this container - - public: - wxHtmlContainerCell(wxHtmlContainerCell *parent); - ~wxHtmlContainerCell() {if (m_Cells) delete m_Cells;} - - virtual void Layout(int w); - virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); - virtual void DrawInvisible(wxDC& dc, int x, int y); - - void InsertCell(wxHtmlCell *cell); - // insert cell at the end of m_Cells list - void SetAlignHor(int al) {m_AlignHor = al;} - int GetAlignHor() const {return m_AlignHor;} - void SetAlignVer(int al) {m_AlignVer = al;} - // sets horizontal/vertical alignment - int GetAlignVer() const {return m_AlignVer;} - void SetIndent(int i, int what, int units = HTML_UNITS_PIXELS); - // sets left-border indentation. units is one of HTML_UNITS_* constants - // what is combination of HTML_INDENT_* - int GetIndent(int ind) const; - // returns the indentation. ind is one of HTML_INDENT_* constants - int GetIndentUnits(int ind) const; - // returns type of value returned by GetIndent(ind) - void SetAlign(const wxHtmlTag& tag); - // sets alignment info based on given tag's params - void SetWidthFloat(int w, int units) {m_WidthFloat = w; m_WidthFloatUnits = units;} - void SetWidthFloat(const wxHtmlTag& tag); - // sets floating width adjustment - // (examples : 32 percent of parent container, - // -15 pixels percent (this means 100 % - 15 pixels) - void SetMinHeight(int h, int align = HTML_ALIGN_TOP) {m_MinHeight = h; m_MinHeightAlign = align;} - // sets minimal height of this container. - int GetMaxLineWidth() const {return m_MaxLineWidth;} - // returns maximal line width in this container. - // Call to this method is valid only after calling - // Layout() - void SetBackgroundColour(const wxColour& clr) {m_UseBkColour = TRUE; m_BkColour = clr;} - void SetBorder(const wxColour& clr1, const wxColour& clr2) {m_UseBorder = TRUE; m_BorderColour1 = clr1, m_BorderColour2 = clr2;} - virtual wxString 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, bool left, bool middle, bool right); - - wxHtmlCell* GetFirstCell() {return m_Cells;} - // returns pointer to the first cell in container or NULL +public: + wxHtmlContainerCell(wxHtmlContainerCell *parent); + ~wxHtmlContainerCell(); + + virtual void Layout(int w); + virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); + virtual void DrawInvisible(wxDC& dc, int x, int y); + virtual bool AdjustPagebreak(int *pagebreak) const; + + // insert cell at the end of m_Cells list + void InsertCell(wxHtmlCell *cell); + + // sets horizontal/vertical alignment + void SetAlignHor(int al) {m_AlignHor = al; m_LastLayout = -1;} + int GetAlignHor() const {return m_AlignHor;} + void SetAlignVer(int al) {m_AlignVer = al; m_LastLayout = -1;} + int GetAlignVer() const {return m_AlignVer;} + + // sets left-border indentation. units is one of wxHTML_UNITS_* constants + // what is combination of wxHTML_INDENT_* + void SetIndent(int i, int what, int units = wxHTML_UNITS_PIXELS); + // returns the indentation. ind is one of wxHTML_INDENT_* constants + int GetIndent(int ind) const; + // returns type of value returned by GetIndent(ind) + int GetIndentUnits(int ind) const; + + // sets alignment info based on given tag's params + void SetAlign(const wxHtmlTag& tag); + // sets floating width adjustment + // (examples : 32 percent of parent container, + // -15 pixels percent (this means 100 % - 15 pixels) + void SetWidthFloat(int w, int units) {m_WidthFloat = w; m_WidthFloatUnits = units; m_LastLayout = -1;} + void SetWidthFloat(const wxHtmlTag& tag, double pixel_scale = 1.0); + // 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 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); + + // returns pointer to the first cell in container or NULL + wxHtmlCell* GetFirstCell() const {return m_Cells;} + +protected: + int m_IndentLeft, m_IndentRight, m_IndentTop, m_IndentBottom; + // indentation of subcells. There is always m_Indent pixels + // big space between given border of the container and the subcells + // it m_Indent < 0 it is in PERCENTS, otherwise it is in pixels + int m_MinHeight, m_MinHeightAlign; + // minimal height. + wxHtmlCell *m_Cells, *m_LastCell; + // internal cells, m_Cells points to the first of them, m_LastCell to the last one. + // (LastCell is needed only to speed-up InsertCell) + int m_AlignHor, m_AlignVer; + // alignment horizontal and vertical (left, center, right) + int m_WidthFloat, m_WidthFloatUnits; + // width float is used in adjustWidth + bool m_UseBkColour; + wxColour m_BkColour; + // background color of this container + bool m_UseBorder; + wxColour m_BorderColour1, m_BorderColour2; + // borders color of this container + int m_LastLayout; + // if != -1 then call to Layout may be no-op + // if previous call to Layout has same argument }; @@ -219,13 +244,14 @@ class WXDLLEXPORT wxHtmlContainerCell : public wxHtmlCell class WXDLLEXPORT wxHtmlColourCell : public wxHtmlCell { - public: - wxColour m_Colour; - unsigned m_Flags; - - wxHtmlColourCell(wxColour clr, int flags = HTML_CLR_FOREGROUND) : wxHtmlCell() {m_Colour = clr; m_Flags = flags;} - virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); - virtual void DrawInvisible(wxDC& dc, int x, int y); +public: + wxHtmlColourCell(const wxColour& clr, int flags = wxHTML_CLR_FOREGROUND) : wxHtmlCell() {m_Colour = clr; m_Flags = flags;} + virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); + virtual void DrawInvisible(wxDC& dc, int x, int y); + +protected: + wxColour m_Colour; + unsigned m_Flags; }; @@ -238,12 +264,13 @@ class WXDLLEXPORT wxHtmlColourCell : public wxHtmlCell class WXDLLEXPORT wxHtmlFontCell : public wxHtmlCell { - public: - wxFont *m_Font; +public: + wxHtmlFontCell(wxFont *font) : wxHtmlCell() { m_Font = (*font); } + virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); + virtual void DrawInvisible(wxDC& dc, int x, int y); - wxHtmlFontCell(wxFont *font) : wxHtmlCell() {m_Font = font;}; - virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); - virtual void DrawInvisible(wxDC& dc, int x, int y); +protected: + wxFont m_Font; }; @@ -260,33 +287,62 @@ class WXDLLEXPORT wxHtmlFontCell : public wxHtmlCell class WXDLLEXPORT wxHtmlWidgetCell : public wxHtmlCell { - protected: - wxWindow* m_Wnd; - int m_WidthFloat; - // width float is used in adjustWidth (it is in percents) - - public: - wxHtmlWidgetCell(wxWindow *wnd, int w = 0); - // !!! wnd must have correct parent! - // if w != 0 then the m_Wnd has 'floating' width - it adjust - // it's width according to parent container's width - // (w is percent of parent's width) - virtual void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); - virtual void DrawInvisible(wxDC& dc, int x, int y); - virtual void Layout(int w); +public: + // !!! wnd must have correct parent! + // if w != 0 then the m_Wnd has 'floating' width - it adjust + // 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 void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); + virtual void DrawInvisible(wxDC& dc, int x, int y); + virtual void Layout(int w); + +protected: + wxWindow* m_Wnd; + int m_WidthFloat; + // width float is used in adjustWidth (it is in percents) }; +//-------------------------------------------------------------------------------- +// wxHtmlLinkInfo +// Internal data structure. It represents hypertext link +//-------------------------------------------------------------------------------- -#endif // __HTMLCELL_H__ - -#endif - - +class WXDLLEXPORT wxHtmlLinkInfo : public wxObject +{ +public: + wxHtmlLinkInfo() : wxObject() + { m_Href = m_Target = wxEmptyString; m_Event = NULL, m_Cell = NULL; } + wxHtmlLinkInfo(const wxString& href, const wxString& target = wxEmptyString) : wxObject() + { m_Href = href; m_Target = target; m_Event = NULL, m_Cell = NULL; } + wxHtmlLinkInfo(const wxHtmlLinkInfo& l) : wxObject() + { m_Href = l.m_Href, m_Target = l.m_Target, m_Event = l.m_Event; + m_Cell = l.m_Cell; } + wxHtmlLinkInfo& operator=(const wxHtmlLinkInfo& l) + { m_Href = l.m_Href, m_Target = l.m_Target, m_Event = l.m_Event; + m_Cell = l.m_Cell; return *this; } + + void SetEvent(const wxMouseEvent *e) { m_Event = e; } + void SetHtmlCell(const wxHtmlCell *e) { m_Cell = e; } + + wxString GetHref() const { return m_Href; } + wxString GetTarget() const { return m_Target; } + const wxMouseEvent* GetEvent() const { return m_Event; } + const wxHtmlCell* GetHtmlCell() const { return m_Cell; } + +private: + wxString m_Href, m_Target; + const wxMouseEvent *m_Event; + const wxHtmlCell *m_Cell; +}; +#endif // wxUSE_HTML +#endif // _WX_HTMLCELL_H_