src/html/htmlcell.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        htmlcell.cpp
// Purpose:     wxHtmlCell - basic element of HTML output
// Author:      Vaclav Slavik
// RCS-ID:      $Id$
// Copyright:   (c) 1999 Vaclav Slavik
// Licence:     wxWindows Licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation
#endif

#include "wx/wxprec.h"

#include "wx/defs.h"
#if wxUSE_HTML

#ifdef __BORDLANDC__
#pragma hdrstop
#endif

#ifndef WXPRECOMP
#include "wx/wx.h"
#endif

#include "wx/html/htmlcell.h"
#include "wx/html/htmlwin.h"
#include <stdlib.h>


//-----------------------------------------------------------------------------
// wxHtmlCell
//-----------------------------------------------------------------------------

wxHtmlCell::wxHtmlCell() : wxObject()
{
    m_Next = NULL;
    m_Parent = NULL;
    m_Width = m_Height = m_Descent = 0;
    m_CanLiveOnPagebreak = TRUE;
    m_Link = NULL;
}

wxHtmlCell::~wxHtmlCell()
{
    if (m_Link) delete m_Link;
    if (m_Next) delete m_Next;
}


void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y,
                              bool WXUNUSED(left),
                              bool WXUNUSED(middle),
                              bool WXUNUSED(right))
{
    wxHtmlLinkInfo *lnk = GetLink(x, y);
    if (lnk != NULL)
        ((wxHtmlWindow*)parent) -> OnLinkClicked(lnk);
        // note : this overcasting is legal because parent is *always* wxHtmlWindow
}


bool wxHtmlCell::AdjustPagebreak(int *pagebreak)
{
    if ((!m_CanLiveOnPagebreak) &&
                m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak) {
        *pagebreak = m_PosY;
        if (m_Next != NULL) m_Next -> AdjustPagebreak(pagebreak);
        return TRUE;
    }

    else {
        if (m_Next != NULL) return m_Next -> AdjustPagebreak(pagebreak);
        else return FALSE;
    }
}


void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link)
{
    if (m_Link) delete m_Link;
    m_Link = new wxHtmlLinkInfo(link);
}


//-----------------------------------------------------------------------------
// wxHtmlWordCell
//-----------------------------------------------------------------------------

wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell()
{
    m_Word = word;

    if (m_Word.Find(wxT('&')) != -1)
    {
        static wxChar* substitutions[][3] =
                {
                    { wxT("&nbsp;"), wxT("&nbsp "), wxT(" ") },
                    { wxT("&copy;"), wxT("&copy "), wxT("(c)") },
                    { wxT("&quot;"), wxT("&quot "), wxT("\"") },
                    { wxT("&lt;"), wxT("&lt "), wxT("<") },
                    { wxT("&gt;"), wxT("&gt "), wxT(">") },
                    { wxT("&amp;"), wxT("&amp "), wxT("&")  /*this one should be last one*/ },
                    { NULL, NULL, NULL }
                };

        for (int i = 0; substitutions[i][0] != NULL; i++)
        {
            m_Word.Replace(substitutions[i][0], substitutions[i][2], TRUE);
            m_Word.Replace(substitutions[i][1], substitutions[i][2], TRUE);
        }
    }

    dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent);
    SetCanLiveOnPagebreak(FALSE);
}


void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
{
    dc.DrawText(m_Word, x + m_PosX, y + m_PosY);
    wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
}


//-----------------------------------------------------------------------------
// wxHtmlContainerCell
//-----------------------------------------------------------------------------


wxHtmlContainerCell::wxHtmlContainerCell(wxHtmlContainerCell *parent) : wxHtmlCell()
{
    m_Cells = m_LastCell = NULL;
    m_Parent = parent;
    if (m_Parent) m_Parent -> InsertCell(this);
    m_AlignHor = wxHTML_ALIGN_LEFT;
    m_AlignVer = wxHTML_ALIGN_BOTTOM;
    m_IndentLeft = m_IndentRight = m_IndentTop = m_IndentBottom = 0;
    m_WidthFloat = 100; m_WidthFloatUnits = wxHTML_UNITS_PERCENT;
    m_UseBkColour = FALSE;
    m_UseBorder = FALSE;
    m_MinHeight = m_MaxLineWidth = 0;
    m_MinHeightAlign = wxHTML_ALIGN_TOP;
}


void wxHtmlContainerCell::SetIndent(int i, int what, int units)
{
    int val = (units == wxHTML_UNITS_PIXELS) ? i : -i;
    if (what & wxHTML_INDENT_LEFT) m_IndentLeft = val;
    if (what & wxHTML_INDENT_RIGHT) m_IndentRight = val;
    if (what & wxHTML_INDENT_TOP) m_IndentTop = val;
    if (what & wxHTML_INDENT_BOTTOM) m_IndentBottom = val;
}


int wxHtmlContainerCell::GetIndent(int ind) const
{
    if (ind & wxHTML_INDENT_LEFT) return m_IndentLeft;
    else if (ind & wxHTML_INDENT_RIGHT) return m_IndentRight;
    else if (ind & wxHTML_INDENT_TOP) return m_IndentTop;
    else if (ind & wxHTML_INDENT_BOTTOM) return m_IndentBottom;
    else return -1; /* BUG! Should not be called... */
}


int wxHtmlContainerCell::GetIndentUnits(int ind) const
{
    bool p = FALSE;
    if (ind & wxHTML_INDENT_LEFT) p = m_IndentLeft < 0;
    else if (ind & wxHTML_INDENT_RIGHT) p = m_IndentRight < 0;
    else if (ind & wxHTML_INDENT_TOP) p = m_IndentTop < 0;
    else if (ind & wxHTML_INDENT_BOTTOM) p = m_IndentBottom < 0;
    if (p) return wxHTML_UNITS_PERCENT;
    else return wxHTML_UNITS_PIXELS;
}


bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak)
{
    if (!m_CanLiveOnPagebreak)
        return wxHtmlCell::AdjustPagebreak(pagebreak);

    else {
        wxHtmlCell *c = GetFirstCell();
        bool rt = FALSE;
        int pbrk = *pagebreak - m_PosY;

        while (c) {
            if (c -> AdjustPagebreak(&pbrk)) rt = TRUE;
            c = c -> GetNext();
        }
        if (rt) *pagebreak = pbrk + m_PosY;
        return rt;
    }
}


void wxHtmlContainerCell::Layout(int w)
{
    wxHtmlCell *cell = m_Cells, *line = m_Cells;
    long xpos = 0, ypos = m_IndentTop;
    int xdelta = 0, ybasicpos = 0, ydiff;
    int s_width, s_indent;
    int ysizeup = 0, ysizedown = 0;

    /*

    WIDTH ADJUSTING :

    */

    if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT) {
        if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100;
        else m_Width = m_WidthFloat * w / 100;
    }
    else {
        if (m_WidthFloat < 0) m_Width = w + m_WidthFloat;
        else m_Width = m_WidthFloat;
    }

    if (m_Cells) {
        int l = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
        int r = (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight;
        m_Cells -> Layout(m_Width - (l + r));
    }

    /*

    LAYOUTING :

    */

    // adjust indentation:
    s_indent = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
    s_width = m_Width - s_indent - ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);

    m_MaxLineWidth = 0;

    // my own layouting:
    while (cell != NULL) {
        switch (m_AlignVer) {
            case wxHTML_ALIGN_TOP :      ybasicpos = 0; break;
            case wxHTML_ALIGN_BOTTOM :   ybasicpos = - cell -> GetHeight(); break;
            case wxHTML_ALIGN_CENTER :   ybasicpos = - cell -> GetHeight() / 2; break;
        }
        ydiff = cell -> GetHeight() + ybasicpos;

        if (cell -> GetDescent() + ydiff > ysizedown) ysizedown = cell -> GetDescent() + ydiff;
        if (ybasicpos + cell -> GetDescent() < -ysizeup) ysizeup = - (ybasicpos + cell -> GetDescent());

        cell -> SetPos(xpos, ybasicpos + cell -> GetDescent());
        xpos += cell -> GetWidth();
        cell = cell -> GetNext();

        // force new line if occured:
        if ((cell == NULL) || (xpos + cell -> GetWidth() > s_width)) {
            if (xpos > m_MaxLineWidth) m_MaxLineWidth = xpos;
            if (ysizeup < 0) ysizeup = 0;
            if (ysizedown < 0) ysizedown = 0;
            switch (m_AlignHor) {
                case wxHTML_ALIGN_LEFT : xdelta = 0; break;
                case wxHTML_ALIGN_RIGHT : xdelta = 0 + (s_width - xpos); break;
                case wxHTML_ALIGN_CENTER : xdelta = 0 + (s_width - xpos) / 2; break;
            }
            if (xdelta < 0) xdelta = 0;
            xdelta += s_indent;

            ypos += ysizeup;
            while (line != cell) {
                line -> SetPos(line -> GetPosX() + xdelta, ypos + line -> GetPosY());
                line = line -> GetNext();
            }

            ypos += ysizedown;
            xpos = 0;
            ysizeup = ysizedown = 0;
            line = cell;
        }
    }

    // setup height & width, depending on container layout:
    m_Height = ypos + (ysizedown + ysizeup) + m_IndentBottom;

    if (m_Height < m_MinHeight) {
        if (m_MinHeightAlign != wxHTML_ALIGN_TOP) {
            int diff = m_MinHeight - m_Height;
            if (m_MinHeightAlign == wxHTML_ALIGN_CENTER) diff /= 2;
            cell = m_Cells;
            while (cell) {
                cell -> SetPos(cell -> GetPosX(), cell -> GetPosY() + diff);
                cell = cell -> GetNext();
            }
        }
        m_Height = m_MinHeight;
    }

    m_MaxLineWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
    if (m_Width < m_MaxLineWidth) m_Width = m_MaxLineWidth;

    wxHtmlCell::Layout(w);
}


#define mMin(a, b) (((a) < (b)) ? (a) : (b))
#define mMax(a, b) (((a) < (b)) ? (b) : (a))

void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
{
    // container visible, draw it:
    if ((y + m_PosY < view_y2) && (y + m_PosY + m_Height > view_y1)) {

        if (m_UseBkColour) {
            wxBrush myb = wxBrush(m_BkColour, wxSOLID);

            int real_y1 = mMax(y + m_PosY, view_y1);
            int real_y2 = mMin(y + m_PosY + m_Height - 1, view_y2);

            dc.SetBrush(myb);
            dc.SetPen(*wxTRANSPARENT_PEN);
            dc.DrawRectangle(x + m_PosX, real_y1, m_Width, real_y2 - real_y1 + 1);
        }

        if (m_UseBorder) {
            wxPen mypen1(m_BorderColour1, 1, wxSOLID);
            wxPen mypen2(m_BorderColour2, 1, wxSOLID);

            dc.SetPen(mypen1);
            dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX, y + m_PosY + m_Height - 1);
            dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX + m_Width - 1, y + m_PosY);
            dc.SetPen(mypen2);
            dc.DrawLine(x + m_PosX + m_Width - 1, y + m_PosY, x + m_PosX +  m_Width - 1, y + m_PosY + m_Height - 1);
            dc.DrawLine(x + m_PosX, y + m_PosY + m_Height - 1, x + m_PosX + m_Width - 1, y + m_PosY + m_Height - 1);
        }

        if (m_Cells) m_Cells -> Draw(dc, x + m_PosX, y + m_PosY, view_y1, view_y2);
    }
    // container invisible, just proceed font+color changing:
    else {
        if (m_Cells) m_Cells -> DrawInvisible(dc, x + m_PosX, y + m_PosY);
    }

    wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
}


void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y)
{
    if (m_Cells) m_Cells -> DrawInvisible(dc, x + m_PosX, y + m_PosY);
    wxHtmlCell::DrawInvisible(dc, x, y);
}


wxHtmlLinkInfo *wxHtmlContainerCell::GetLink(int x, int y) const
{
    wxHtmlCell *c = m_Cells;
    int cx, cy, cw, ch;

    while (c) {
        cx = c -> GetPosX(), cy = c -> GetPosY();
        cw = c -> GetWidth(), ch = c -> GetHeight();
        if ((x >= cx) && (x < cx + cw) && (y >= cy) && (y < cy + ch))
            return c -> GetLink(x - cx, y - cy);
        c = c -> GetNext();
    }
    return NULL;
}


void wxHtmlContainerCell::InsertCell(wxHtmlCell *f)
{
    if (!m_Cells) m_Cells = m_LastCell = f;
    else {
        m_LastCell -> SetNext(f);
        m_LastCell = f;
        if (m_LastCell) while (m_LastCell -> GetNext()) m_LastCell = m_LastCell -> GetNext();
    }
    f -> SetParent(this);
}


void wxHtmlContainerCell::SetAlign(const wxHtmlTag& tag)
{
    if (tag.HasParam(wxT("ALIGN"))) {
        wxString alg = tag.GetParam(wxT("ALIGN"));
        alg.MakeUpper();
        if (alg == wxT("CENTER"))
            SetAlignHor(wxHTML_ALIGN_CENTER);
        else if (alg == wxT("LEFT"))
            SetAlignHor(wxHTML_ALIGN_LEFT);
        else if (alg == wxT("RIGHT"))
            SetAlignHor(wxHTML_ALIGN_RIGHT);
    }
}


void wxHtmlContainerCell::SetWidthFloat(const wxHtmlTag& tag, double pixel_scale)
{
    if (tag.HasParam(wxT("WIDTH"))) {
        int wdi;
        wxString wd = tag.GetParam(wxT("WIDTH"));

        if (wd[wd.Length()-1] == wxT('%')) {
            wxSscanf(wd.c_str(), wxT("%i%%"), &wdi);
            SetWidthFloat(wdi, wxHTML_UNITS_PERCENT);
        }
        else {
            wxSscanf(wd.c_str(), wxT("%i"), &wdi);
            SetWidthFloat((int)(pixel_scale * (double)wdi), wxHTML_UNITS_PIXELS);
        }
    }
}


const wxHtmlCell* wxHtmlContainerCell::Find(int condition, const void* param) const
{
    const wxHtmlCell *r = NULL;

    if (m_Cells) {
        r = m_Cells -> Find(condition, param);
        if (r) return r;
    }

    return wxHtmlCell::Find(condition, param);
}


void wxHtmlContainerCell::OnMouseClick(wxWindow *parent, int x, int y, bool left, bool middle, bool right)
{
    if (m_Cells) {
        wxHtmlCell *c = m_Cells;
        while (c) {
            if (    (c -> GetPosX() <= x) &&
                    (c -> GetPosY() <= y) &&
                    (c -> GetPosX() + c -> GetWidth() > x) &&
                    (c -> GetPosY() + c -> GetHeight() > y)) {
                c -> OnMouseClick(parent, x - c -> GetPosX(), y - c -> GetPosY(), left, middle, right);
                break;
            }
            c = c -> GetNext();
        }
    }
}


//--------------------------------------------------------------------------------
// wxHtmlColourCell
//--------------------------------------------------------------------------------

void wxHtmlColourCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
{
    if (m_Flags & wxHTML_CLR_FOREGROUND)
        dc.SetTextForeground(m_Colour);
    if (m_Flags & wxHTML_CLR_BACKGROUND) {
        dc.SetBackground(wxBrush(m_Colour, wxSOLID));
        dc.SetTextBackground(m_Colour);
    }
    wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
}

void wxHtmlColourCell::DrawInvisible(wxDC& dc, int x, int y)
{
    if (m_Flags & wxHTML_CLR_FOREGROUND)
        dc.SetTextForeground(m_Colour);
    if (m_Flags & wxHTML_CLR_BACKGROUND) {
        dc.SetBackground(wxBrush(m_Colour, wxSOLID));
        dc.SetTextBackground(m_Colour);
    }
    wxHtmlCell::DrawInvisible(dc, x, y);
}


//--------------------------------------------------------------------------------
// wxHtmlFontCell
//--------------------------------------------------------------------------------

void wxHtmlFontCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
{
    dc.SetFont(m_Font);
    wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
}

void wxHtmlFontCell::DrawInvisible(wxDC& dc, int x, int y)
{
    dc.SetFont(m_Font);
    wxHtmlCell::DrawInvisible(dc, x, y);
}


//--------------------------------------------------------------------------------
// wxHtmlWidgetCell
//--------------------------------------------------------------------------------

wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w)
{
    int sx, sy;
    m_Wnd = wnd;
    m_Wnd -> GetSize(&sx, &sy);
    m_Width = sx, m_Height = sy;
    m_WidthFloat = w;
}


void wxHtmlWidgetCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
{
    int absx = 0, absy = 0, stx, sty;
    wxHtmlCell *c = this;

    while (c) {
        absx += c -> GetPosX();
        absy += c -> GetPosY();
        c = c -> GetParent();
    }

    ((wxScrolledWindow*)(m_Wnd -> GetParent())) -> ViewStart(&stx, &sty);
    m_Wnd -> SetSize(absx - wxHTML_SCROLL_STEP * stx, absy  - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);

    wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
}


void wxHtmlWidgetCell::DrawInvisible(wxDC& dc, int x, int y)
{
    int absx = 0, absy = 0, stx, sty;
    wxHtmlCell *c = this;

    while (c) {
        absx += c -> GetPosX();
        absy += c -> GetPosY();
        c = c -> GetParent();
    }

    ((wxScrolledWindow*)(m_Wnd -> GetParent())) -> ViewStart(&stx, &sty);
    m_Wnd -> SetSize(absx - wxHTML_SCROLL_STEP * stx, absy  - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);

    wxHtmlCell::DrawInvisible(dc, x, y);
}


void wxHtmlWidgetCell::Layout(int w)
{
    if (m_WidthFloat != 0) {
        m_Width = (w * m_WidthFloat) / 100;
        m_Wnd -> SetSize(m_Width, m_Height);
    }

    wxHtmlCell::Layout(w);
}

#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: htmlcell.cpp
	3	// Purpose: wxHtmlCell - basic element of HTML output
	4	// Author: Vaclav Slavik
	5	// RCS-ID: $Id$
	6	// Copyright: (c) 1999 Vaclav Slavik
	7	// Licence: wxWindows Licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#ifdef __GNUG__
	11	#pragma implementation
	12	#endif
	13
	14	#include "wx/wxprec.h"
	15
	16	#include "wx/defs.h"
	17	#if wxUSE_HTML
	18
	19	#ifdef __BORDLANDC__
	20	#pragma hdrstop
	21	#endif
	22
	23	#ifndef WXPRECOMP
	24	#include "wx/wx.h"
	25	#endif
	26
	27	#include "wx/html/htmlcell.h"
	28	#include "wx/html/htmlwin.h"
	29	#include <stdlib.h>
	30
	31
	32	//-----------------------------------------------------------------------------
	33	// wxHtmlCell
	34	//-----------------------------------------------------------------------------
	35
	36	wxHtmlCell::wxHtmlCell() : wxObject()
	37	{
	38	m_Next = NULL;
	39	m_Parent = NULL;
	40	m_Width = m_Height = m_Descent = 0;
	41	m_CanLiveOnPagebreak = TRUE;
	42	m_Link = NULL;
	43	}
	44
	45	wxHtmlCell::~wxHtmlCell()
	46	{
	47	if (m_Link) delete m_Link;
	48	if (m_Next) delete m_Next;
	49	}
	50
	51
	52	void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y,
	53	bool WXUNUSED(left),
	54	bool WXUNUSED(middle),
	55	bool WXUNUSED(right))
	56	{
	57	wxHtmlLinkInfo *lnk = GetLink(x, y);
	58	if (lnk != NULL)
	59	((wxHtmlWindow*)parent) -> OnLinkClicked(lnk);
	60	// note : this overcasting is legal because parent is always wxHtmlWindow
	61	}
	62
	63
	64
	65	bool wxHtmlCell::AdjustPagebreak(int *pagebreak)
	66	{
	67	if ((!m_CanLiveOnPagebreak) &&
	68	m_PosY < pagebreak && m_PosY + m_Height > pagebreak) {
	69	*pagebreak = m_PosY;
	70	if (m_Next != NULL) m_Next -> AdjustPagebreak(pagebreak);
	71	return TRUE;
	72	}
	73
	74	else {
	75	if (m_Next != NULL) return m_Next -> AdjustPagebreak(pagebreak);
	76	else return FALSE;
	77	}
	78	}
	79
	80
	81
	82	void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link)
	83	{
	84	if (m_Link) delete m_Link;
	85	m_Link = new wxHtmlLinkInfo(link);
	86	}
	87
	88
	89
	90	//-----------------------------------------------------------------------------
	91	// wxHtmlWordCell
	92	//-----------------------------------------------------------------------------
	93
	94	wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell()
	95	{
	96	m_Word = word;
	97
	98	if (m_Word.Find(wxT('&')) != -1)
	99	{
	100	static wxChar* substitutions[][3] =
	101	{
	102	{ wxT(" "), wxT("&nbsp "), wxT(" ") },
	103	{ wxT("©"), wxT("&copy "), wxT("(c)") },
	104	{ wxT("""), wxT("&quot "), wxT("\"") },
	105	{ wxT("<"), wxT("&lt "), wxT("<") },
	106	{ wxT(">"), wxT("&gt "), wxT(">") },
	107	{ wxT("&"), wxT("&amp "), wxT("&") /this one should be last one/ },
	108	{ NULL, NULL, NULL }
	109	};
	110
	111	for (int i = 0; substitutions[i][0] != NULL; i++)
	112	{
	113	m_Word.Replace(substitutions[i][0], substitutions[i][2], TRUE);
	114	m_Word.Replace(substitutions[i][1], substitutions[i][2], TRUE);
	115	}
	116	}
	117
	118	dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent);
	119	SetCanLiveOnPagebreak(FALSE);
	120	}
	121
	122
	123
	124	void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
	125	{
	126	dc.DrawText(m_Word, x + m_PosX, y + m_PosY);
	127	wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
	128	}
	129
	130
	131
	132	//-----------------------------------------------------------------------------
	133	// wxHtmlContainerCell
	134	//-----------------------------------------------------------------------------
	135
	136
	137	wxHtmlContainerCell::wxHtmlContainerCell(wxHtmlContainerCell *parent) : wxHtmlCell()
	138	{
	139	m_Cells = m_LastCell = NULL;
	140	m_Parent = parent;
	141	if (m_Parent) m_Parent -> InsertCell(this);
	142	m_AlignHor = wxHTML_ALIGN_LEFT;
	143	m_AlignVer = wxHTML_ALIGN_BOTTOM;
	144	m_IndentLeft = m_IndentRight = m_IndentTop = m_IndentBottom = 0;
	145	m_WidthFloat = 100; m_WidthFloatUnits = wxHTML_UNITS_PERCENT;
	146	m_UseBkColour = FALSE;
	147	m_UseBorder = FALSE;
	148	m_MinHeight = m_MaxLineWidth = 0;
	149	m_MinHeightAlign = wxHTML_ALIGN_TOP;
	150	}
	151
	152
	153
	154	void wxHtmlContainerCell::SetIndent(int i, int what, int units)
	155	{
	156	int val = (units == wxHTML_UNITS_PIXELS) ? i : -i;
	157	if (what & wxHTML_INDENT_LEFT) m_IndentLeft = val;
	158	if (what & wxHTML_INDENT_RIGHT) m_IndentRight = val;
	159	if (what & wxHTML_INDENT_TOP) m_IndentTop = val;
	160	if (what & wxHTML_INDENT_BOTTOM) m_IndentBottom = val;
	161	}
	162
	163
	164
	165	int wxHtmlContainerCell::GetIndent(int ind) const
	166	{
	167	if (ind & wxHTML_INDENT_LEFT) return m_IndentLeft;
	168	else if (ind & wxHTML_INDENT_RIGHT) return m_IndentRight;
	169	else if (ind & wxHTML_INDENT_TOP) return m_IndentTop;
	170	else if (ind & wxHTML_INDENT_BOTTOM) return m_IndentBottom;
	171	else return -1; /* BUG! Should not be called... */
	172	}
	173
	174
	175
	176
	177	int wxHtmlContainerCell::GetIndentUnits(int ind) const
	178	{
	179	bool p = FALSE;
	180	if (ind & wxHTML_INDENT_LEFT) p = m_IndentLeft < 0;
	181	else if (ind & wxHTML_INDENT_RIGHT) p = m_IndentRight < 0;
	182	else if (ind & wxHTML_INDENT_TOP) p = m_IndentTop < 0;
	183	else if (ind & wxHTML_INDENT_BOTTOM) p = m_IndentBottom < 0;
	184	if (p) return wxHTML_UNITS_PERCENT;
	185	else return wxHTML_UNITS_PIXELS;
	186	}
	187
	188
	189
	190	bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak)
	191	{
	192	if (!m_CanLiveOnPagebreak)
	193	return wxHtmlCell::AdjustPagebreak(pagebreak);
	194
	195	else {
	196	wxHtmlCell *c = GetFirstCell();
	197	bool rt = FALSE;
	198	int pbrk = *pagebreak - m_PosY;
	199
	200	while (c) {
	201	if (c -> AdjustPagebreak(&pbrk)) rt = TRUE;
	202	c = c -> GetNext();
	203	}
	204	if (rt) *pagebreak = pbrk + m_PosY;
	205	return rt;
	206	}
	207	}
	208
	209
	210
	211	void wxHtmlContainerCell::Layout(int w)
	212	{
	213	wxHtmlCell cell = m_Cells, line = m_Cells;
	214	long xpos = 0, ypos = m_IndentTop;
	215	int xdelta = 0, ybasicpos = 0, ydiff;
	216	int s_width, s_indent;
	217	int ysizeup = 0, ysizedown = 0;
	218
	219	/*
	220
	221	WIDTH ADJUSTING :
	222
	223	*/
	224
	225	if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT) {
	226	if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100;
	227	else m_Width = m_WidthFloat * w / 100;
	228	}
	229	else {
	230	if (m_WidthFloat < 0) m_Width = w + m_WidthFloat;
	231	else m_Width = m_WidthFloat;
	232	}
	233
	234	if (m_Cells) {
	235	int l = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
	236	int r = (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight;
	237	m_Cells -> Layout(m_Width - (l + r));
	238	}
	239
	240	/*
	241
	242	LAYOUTING :
	243
	244	*/
	245
	246	// adjust indentation:
	247	s_indent = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
	248	s_width = m_Width - s_indent - ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
	249
	250	m_MaxLineWidth = 0;
	251
	252	// my own layouting:
	253	while (cell != NULL) {
	254	switch (m_AlignVer) {
	255	case wxHTML_ALIGN_TOP : ybasicpos = 0; break;
	256	case wxHTML_ALIGN_BOTTOM : ybasicpos = - cell -> GetHeight(); break;
	257	case wxHTML_ALIGN_CENTER : ybasicpos = - cell -> GetHeight() / 2; break;
	258	}
	259	ydiff = cell -> GetHeight() + ybasicpos;
	260
	261	if (cell -> GetDescent() + ydiff > ysizedown) ysizedown = cell -> GetDescent() + ydiff;
	262	if (ybasicpos + cell -> GetDescent() < -ysizeup) ysizeup = - (ybasicpos + cell -> GetDescent());
	263
	264	cell -> SetPos(xpos, ybasicpos + cell -> GetDescent());
	265	xpos += cell -> GetWidth();
	266	cell = cell -> GetNext();
	267
	268	// force new line if occured:
	269	if ((cell == NULL) \|\| (xpos + cell -> GetWidth() > s_width)) {
	270	if (xpos > m_MaxLineWidth) m_MaxLineWidth = xpos;
	271	if (ysizeup < 0) ysizeup = 0;
	272	if (ysizedown < 0) ysizedown = 0;
	273	switch (m_AlignHor) {
	274	case wxHTML_ALIGN_LEFT : xdelta = 0; break;
	275	case wxHTML_ALIGN_RIGHT : xdelta = 0 + (s_width - xpos); break;
	276	case wxHTML_ALIGN_CENTER : xdelta = 0 + (s_width - xpos) / 2; break;
	277	}
	278	if (xdelta < 0) xdelta = 0;
	279	xdelta += s_indent;
	280
	281	ypos += ysizeup;
	282	while (line != cell) {
	283	line -> SetPos(line -> GetPosX() + xdelta, ypos + line -> GetPosY());
	284	line = line -> GetNext();
	285	}
	286
	287	ypos += ysizedown;
	288	xpos = 0;
	289	ysizeup = ysizedown = 0;
	290	line = cell;
	291	}
	292	}
	293
	294	// setup height & width, depending on container layout:
	295	m_Height = ypos + (ysizedown + ysizeup) + m_IndentBottom;
	296
	297	if (m_Height < m_MinHeight) {
	298	if (m_MinHeightAlign != wxHTML_ALIGN_TOP) {
	299	int diff = m_MinHeight - m_Height;
	300	if (m_MinHeightAlign == wxHTML_ALIGN_CENTER) diff /= 2;
	301	cell = m_Cells;
	302	while (cell) {
	303	cell -> SetPos(cell -> GetPosX(), cell -> GetPosY() + diff);
	304	cell = cell -> GetNext();
	305	}
	306	}
	307	m_Height = m_MinHeight;
	308	}
	309
	310	m_MaxLineWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
	311	if (m_Width < m_MaxLineWidth) m_Width = m_MaxLineWidth;
	312
	313	wxHtmlCell::Layout(w);
	314	}
	315
	316
	317	#define mMin(a, b) (((a) < (b)) ? (a) : (b))
	318	#define mMax(a, b) (((a) < (b)) ? (b) : (a))
	319
	320	void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
	321	{
	322	// container visible, draw it:
	323	if ((y + m_PosY < view_y2) && (y + m_PosY + m_Height > view_y1)) {
	324
	325	if (m_UseBkColour) {
	326	wxBrush myb = wxBrush(m_BkColour, wxSOLID);
	327
	328	int real_y1 = mMax(y + m_PosY, view_y1);
	329	int real_y2 = mMin(y + m_PosY + m_Height - 1, view_y2);
	330
	331	dc.SetBrush(myb);
	332	dc.SetPen(*wxTRANSPARENT_PEN);
	333	dc.DrawRectangle(x + m_PosX, real_y1, m_Width, real_y2 - real_y1 + 1);
	334	}
	335
	336	if (m_UseBorder) {
	337	wxPen mypen1(m_BorderColour1, 1, wxSOLID);
	338	wxPen mypen2(m_BorderColour2, 1, wxSOLID);
	339
	340	dc.SetPen(mypen1);
	341	dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX, y + m_PosY + m_Height - 1);
	342	dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX + m_Width - 1, y + m_PosY);
	343	dc.SetPen(mypen2);
	344	dc.DrawLine(x + m_PosX + m_Width - 1, y + m_PosY, x + m_PosX + m_Width - 1, y + m_PosY + m_Height - 1);
	345	dc.DrawLine(x + m_PosX, y + m_PosY + m_Height - 1, x + m_PosX + m_Width - 1, y + m_PosY + m_Height - 1);
	346	}
	347
	348	if (m_Cells) m_Cells -> Draw(dc, x + m_PosX, y + m_PosY, view_y1, view_y2);
	349	}
	350	// container invisible, just proceed font+color changing:
	351	else {
	352	if (m_Cells) m_Cells -> DrawInvisible(dc, x + m_PosX, y + m_PosY);
	353	}
	354
	355	wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
	356	}
	357
	358
	359
	360	void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y)
	361	{
	362	if (m_Cells) m_Cells -> DrawInvisible(dc, x + m_PosX, y + m_PosY);
	363	wxHtmlCell::DrawInvisible(dc, x, y);
	364	}
	365
	366
	367
	368	wxHtmlLinkInfo *wxHtmlContainerCell::GetLink(int x, int y) const
	369	{
	370	wxHtmlCell *c = m_Cells;
	371	int cx, cy, cw, ch;
	372
	373	while (c) {
	374	cx = c -> GetPosX(), cy = c -> GetPosY();
	375	cw = c -> GetWidth(), ch = c -> GetHeight();
	376	if ((x >= cx) && (x < cx + cw) && (y >= cy) && (y < cy + ch))
	377	return c -> GetLink(x - cx, y - cy);
	378	c = c -> GetNext();
	379	}
	380	return NULL;
	381	}
	382
	383
	384
	385	void wxHtmlContainerCell::InsertCell(wxHtmlCell *f)
	386	{
	387	if (!m_Cells) m_Cells = m_LastCell = f;
	388	else {
	389	m_LastCell -> SetNext(f);
	390	m_LastCell = f;
	391	if (m_LastCell) while (m_LastCell -> GetNext()) m_LastCell = m_LastCell -> GetNext();
	392	}
	393	f -> SetParent(this);
	394	}
	395
	396
	397
	398	void wxHtmlContainerCell::SetAlign(const wxHtmlTag& tag)
	399	{
	400	if (tag.HasParam(wxT("ALIGN"))) {
	401	wxString alg = tag.GetParam(wxT("ALIGN"));
	402	alg.MakeUpper();
	403	if (alg == wxT("CENTER"))
	404	SetAlignHor(wxHTML_ALIGN_CENTER);
	405	else if (alg == wxT("LEFT"))
	406	SetAlignHor(wxHTML_ALIGN_LEFT);
	407	else if (alg == wxT("RIGHT"))
	408	SetAlignHor(wxHTML_ALIGN_RIGHT);
	409	}
	410	}
	411
	412
	413
	414	void wxHtmlContainerCell::SetWidthFloat(const wxHtmlTag& tag, double pixel_scale)
	415	{
	416	if (tag.HasParam(wxT("WIDTH"))) {
	417	int wdi;
	418	wxString wd = tag.GetParam(wxT("WIDTH"));
	419
	420	if (wd[wd.Length()-1] == wxT('%')) {
	421	wxSscanf(wd.c_str(), wxT("%i%%"), &wdi);
	422	SetWidthFloat(wdi, wxHTML_UNITS_PERCENT);
	423	}
	424	else {
	425	wxSscanf(wd.c_str(), wxT("%i"), &wdi);
	426	SetWidthFloat((int)(pixel_scale * (double)wdi), wxHTML_UNITS_PIXELS);
	427	}
	428	}
	429	}
	430
	431
	432
	433	const wxHtmlCell* wxHtmlContainerCell::Find(int condition, const void* param) const
	434	{
	435	const wxHtmlCell *r = NULL;
	436
	437	if (m_Cells) {
	438	r = m_Cells -> Find(condition, param);
	439	if (r) return r;
	440	}
	441
	442	return wxHtmlCell::Find(condition, param);
	443	}
	444
	445
	446
	447	void wxHtmlContainerCell::OnMouseClick(wxWindow *parent, int x, int y, bool left, bool middle, bool right)
	448	{
	449	if (m_Cells) {
	450	wxHtmlCell *c = m_Cells;
	451	while (c) {
	452	if ( (c -> GetPosX() <= x) &&
	453	(c -> GetPosY() <= y) &&
	454	(c -> GetPosX() + c -> GetWidth() > x) &&
	455	(c -> GetPosY() + c -> GetHeight() > y)) {
	456	c -> OnMouseClick(parent, x - c -> GetPosX(), y - c -> GetPosY(), left, middle, right);
	457	break;
	458	}
	459	c = c -> GetNext();
	460	}
	461	}
	462	}
	463
	464
	465
	466
	467
	468	//--------------------------------------------------------------------------------
	469	// wxHtmlColourCell
	470	//--------------------------------------------------------------------------------
	471
	472	void wxHtmlColourCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
	473	{
	474	if (m_Flags & wxHTML_CLR_FOREGROUND)
	475	dc.SetTextForeground(m_Colour);
	476	if (m_Flags & wxHTML_CLR_BACKGROUND) {
	477	dc.SetBackground(wxBrush(m_Colour, wxSOLID));
	478	dc.SetTextBackground(m_Colour);
	479	}
	480	wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
	481	}
	482
	483	void wxHtmlColourCell::DrawInvisible(wxDC& dc, int x, int y)
	484	{
	485	if (m_Flags & wxHTML_CLR_FOREGROUND)
	486	dc.SetTextForeground(m_Colour);
	487	if (m_Flags & wxHTML_CLR_BACKGROUND) {
	488	dc.SetBackground(wxBrush(m_Colour, wxSOLID));
	489	dc.SetTextBackground(m_Colour);
	490	}
	491	wxHtmlCell::DrawInvisible(dc, x, y);
	492	}
	493
	494
	495
	496
	497	//--------------------------------------------------------------------------------
	498	// wxHtmlFontCell
	499	//--------------------------------------------------------------------------------
	500
	501	void wxHtmlFontCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
	502	{
	503	dc.SetFont(m_Font);
	504	wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
	505	}
	506
	507	void wxHtmlFontCell::DrawInvisible(wxDC& dc, int x, int y)
	508	{
	509	dc.SetFont(m_Font);
	510	wxHtmlCell::DrawInvisible(dc, x, y);
	511	}
	512
	513
	514
	515
	516
	517
	518
	519
	520	//--------------------------------------------------------------------------------
	521	// wxHtmlWidgetCell
	522	//--------------------------------------------------------------------------------
	523
	524	wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w)
	525	{
	526	int sx, sy;
	527	m_Wnd = wnd;
	528	m_Wnd -> GetSize(&sx, &sy);
	529	m_Width = sx, m_Height = sy;
	530	m_WidthFloat = w;
	531	}
	532
	533
	534	void wxHtmlWidgetCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
	535	{
	536	int absx = 0, absy = 0, stx, sty;
	537	wxHtmlCell *c = this;
	538
	539	while (c) {
	540	absx += c -> GetPosX();
	541	absy += c -> GetPosY();
	542	c = c -> GetParent();
	543	}
	544
	545	((wxScrolledWindow*)(m_Wnd -> GetParent())) -> ViewStart(&stx, &sty);
	546	m_Wnd -> SetSize(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
	547
	548	wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
	549	}
	550
	551
	552
	553	void wxHtmlWidgetCell::DrawInvisible(wxDC& dc, int x, int y)
	554	{
	555	int absx = 0, absy = 0, stx, sty;
	556	wxHtmlCell *c = this;
	557
	558	while (c) {
	559	absx += c -> GetPosX();
	560	absy += c -> GetPosY();
	561	c = c -> GetParent();
	562	}
	563
	564	((wxScrolledWindow*)(m_Wnd -> GetParent())) -> ViewStart(&stx, &sty);
	565	m_Wnd -> SetSize(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
	566
	567	wxHtmlCell::DrawInvisible(dc, x, y);
	568	}
	569
	570
	571
	572	void wxHtmlWidgetCell::Layout(int w)
	573	{
	574	if (m_WidthFloat != 0) {
	575	m_Width = (w * m_WidthFloat) / 100;
	576	m_Wnd -> SetSize(m_Width, m_Height);
	577	}
	578
	579	wxHtmlCell::Layout(w);
	580	}
	581
	582	#endif