// 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
#endif
#include "wx/defs.h"
+
#if wxUSE_HTML
+#include "wx/html/htmltag.h"
+#include "wx/html/htmldefs.h"
+#include "wx/window.h"
-#include <wx/html/htmltag.h>
-#include <wx/html/htmldefs.h>
-#include <wx/window.h>
-class wxHtmlCell;
-class wxHtmlContainerCell;
+class WXDLLEXPORT wxHtmlLinkInfo;
+class WXDLLEXPORT wxHtmlCell;
+class WXDLLEXPORT wxHtmlContainerCell;
//--------------------------------------------------------------------------------
// wxHtmlCell
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;};
-
+ 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;}
- virtual wxString GetLink(int x = 0, int y = 0) const {return m_Link;}
+ virtual wxHtmlLinkInfo* GetLink(int WXUNUSED(x) = 0,
+ int WXUNUSED(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 SetLink(const wxHtmlLinkInfo& link);
void SetNext(wxHtmlCell *cell) {m_Next = cell;}
// members writin methods
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
// 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");
+ // Example : m_Cell -> Find(wxHTML_COND_ISANCHOR, "news");
// returns pointer to anchor news
virtual void OnMouseClick(wxWindow *parent, int x, int y, bool left, bool middle, bool right);
// Parent is pointer to wxHtmlWindow that generated the event
// HINT: if this handling is not enough for you you should use
// wxHtmlBinderCell
+
+ virtual bool AdjustPagebreak(int *pagebreak);
+ // 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)) {}
+
+ void SetCanLiveOnPagebreak(bool can) {m_CanLiveOnPagebreak = can;}
+ // Sets cell's behaviour on pagebreaks (see AdjustPagebreak). Default
+ // is true - the cell can be split on two pages
+
+
+ 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
+
};
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);
+
void InsertCell(wxHtmlCell *cell);
// insert cell at the end of m_Cells list
void SetAlignHor(int al) {m_AlignHor = al;}
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_*
+ void SetIndent(int i, int what, int units = wxHTML_UNITS_PIXELS);
+ // sets left-border indentation. units is one of wxHTML_UNITS_* constants
+ // what is combination of wxHTML_INDENT_*
int GetIndent(int ind) const;
- // returns the indentation. ind is one of HTML_INDENT_* constants
+ // returns the indentation. ind is one of wxHTML_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);
+ void SetWidthFloat(const wxHtmlTag& tag, double pixel_scale = 1.0);
// 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;}
+ void SetMinHeight(int h, int align = wxHTML_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.
// 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 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, bool left, bool middle, bool right);
wxColour m_Colour;
unsigned m_Flags;
- wxHtmlColourCell(wxColour clr, int flags = HTML_CLR_FOREGROUND) : wxHtmlCell() {m_Colour = clr; m_Flags = flags;}
+ wxHtmlColourCell(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);
};
class WXDLLEXPORT wxHtmlFontCell : public wxHtmlCell
{
public:
- wxFont *m_Font;
+ wxFont m_Font;
- wxHtmlFontCell(wxFont *font) : wxHtmlCell() {m_Font = font;};
+ 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);
};
// 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() {if (m_Wnd) 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);
+//--------------------------------------------------------------------------------
+// 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; }
+ wxHtmlLinkInfo(const wxString& href, const wxString& target = wxEmptyString) : wxObject()
+ { m_Href = href; m_Target = target; }
+ wxHtmlLinkInfo(const wxHtmlLinkInfo& l)
+ { m_Href = l.m_Href, m_Target = l.m_Target; }
+ wxHtmlLinkInfo& operator=(const wxHtmlLinkInfo& l)
+ { m_Href = l.m_Href, m_Target = l.m_Target; return *this; }
+
+ wxString GetHref() const { return m_Href; }
+ wxString GetTarget() const { return m_Target; }
+
+ private:
+ wxString m_Href, m_Target;
+};
+#endif // wxUSE_HTML
+#endif // _WX_HTMLCELL_H_
projects / wxWidgets.git / blobdiff