#endif
#ifndef WXPRECOMP
-#include "wx/wx.h"
#endif
//-----------------------------------------------------------------------------
-typedef struct {
- int width, units;
- // universal
- int leftpos, pixwidth, maxrealwidth;
- // temporary (depends on width of table)
- } colStruct;
+struct colStruct
+{
+ int width, units;
+ // width of the column either in pixels or percents
+ // ('width' is the number, 'units' determines its meaning)
+ int minWidth, maxWidth;
+ // minimal/maximal column width. This is needed by HTML 4.0
+ // layouting algorithm and can be determined by trying to
+ // layout table cells with width=1 and width=infinity
+ int leftpos, pixwidth, maxrealwidth;
+ // temporary (depends on actual width of table)
+};
-typedef enum {
- cellSpan,
- cellUsed,
- cellFree
- } cellState;
+enum cellState
+{
+ cellSpan,
+ cellUsed,
+ cellFree
+};
-typedef struct {
- wxHtmlContainerCell *cont;
- int colspan, rowspan;
- int minheight, valign;
- cellState flag;
- } cellStruct;
+struct cellStruct
+{
+ wxHtmlContainerCell *cont;
+ int colspan, rowspan;
+ int minheight, valign;
+ cellState flag;
+};
class wxHtmlTableCell : public wxHtmlContainerCell
{
- protected:
- /* These are real attributes: */
- bool m_HasBorders;
- // should we draw borders or not?
- int m_NumCols, m_NumRows;
- // number of columns; rows
- colStruct *m_ColsInfo;
- // array of column information
- cellStruct **m_CellInfo;
- // 2D array of all cells in the table : m_CellInfo[row][column]
- int m_Spacing;
- // spaces between cells
- int m_Padding;
- // cells internal indentation
-
- private:
- /* ...and these are valid only during parsing of table: */
- int m_ActualCol, m_ActualRow;
- // number of actual column (ranging from 0..m_NumCols)
-
- // default values (for table and row):
- wxColour m_tBkg, m_rBkg;
- wxString m_tValign, m_rValign;
-
- double m_PixelScale;
-
-
- public:
- wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag, double pixel_scale = 1.0);
- ~wxHtmlTableCell();
- virtual void Layout(int w);
-
- void AddRow(const wxHtmlTag& tag);
- void AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag);
- private:
- void ReallocCols(int cols);
- void ReallocRows(int rows);
- // reallocates memory to given number of cols/rows
- // and changes m_NumCols/m_NumRows value to reflect this change
- // NOTE! You CAN'T change m_NumCols/m_NumRows before calling this!!
+protected:
+ /* These are real attributes: */
+
+ // should we draw borders or not?
+ bool m_HasBorders;
+ // number of columns; rows
+ int m_NumCols, m_NumRows;
+ // array of column information
+ colStruct *m_ColsInfo;
+ // 2D array of all cells in the table : m_CellInfo[row][column]
+ cellStruct **m_CellInfo;
+ // spaces between cells
+ int m_Spacing;
+ // cells internal indentation
+ int m_Padding;
+
+private:
+ /* ...and these are valid only when parsing the table: */
+
+ // number of actual column (ranging from 0..m_NumCols)
+ int m_ActualCol, m_ActualRow;
+
+ // default values (for table and row):
+ wxColour m_tBkg, m_rBkg;
+ wxString m_tValign, m_rValign;
+
+ double m_PixelScale;
+
+
+public:
+ wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag, double pixel_scale = 1.0);
+ ~wxHtmlTableCell();
+ virtual void Layout(int w);
+
+ void AddRow(const wxHtmlTag& tag);
+ void AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag);
+
+private:
+ // Reallocates memory to given number of cols/rows
+ // and changes m_NumCols/m_NumRows value to reflect this change
+ // NOTE! You CAN'T change m_NumCols/m_NumRows before calling this!!
+ void ReallocCols(int cols);
+ void ReallocRows(int rows);
+
+ // Computes minimal and maximal widths of columns. Needs to be called
+ // only once, before first Layout().
+ void ComputeMinMaxWidths();
};
: wxHtmlContainerCell(parent)
{
m_PixelScale = pixel_scale;
- m_HasBorders = (tag.GetParam(wxT("BORDER")) != wxT("0"));
+ m_HasBorders =
+ (tag.HasParam(wxT("BORDER")) && tag.GetParam(wxT("BORDER")) != wxT("0"));
m_ColsInfo = NULL;
m_NumCols = m_NumRows = 0;
m_CellInfo = NULL;
m_ActualCol = m_ActualRow = -1;
/* scan params: */
- if (tag.HasParam(wxT("BGCOLOR")))
+ if (tag.HasParam(wxT("BGCOLOR")))
tag.GetParamAsColour(wxT("BGCOLOR"), &m_tBkg);
- if (tag.HasParam(wxT("VALIGN")))
- m_tValign = tag.GetParam(wxT("VALIGN"));
- else
+ if (tag.HasParam(wxT("VALIGN")))
+ m_tValign = tag.GetParam(wxT("VALIGN"));
+ else
m_tValign = wxEmptyString;
if (!tag.GetParamAsInt(wxT("CELLSPACING"), &m_Spacing))
m_Spacing = 2;
wxHtmlTableCell::~wxHtmlTableCell()
{
if (m_ColsInfo) free(m_ColsInfo);
- if (m_CellInfo)
+ if (m_CellInfo)
{
for (int i = 0; i < m_NumRows; i++)
free(m_CellInfo[i]);
{
int i,j;
- for (i = 0; i < m_NumRows; i++)
+ for (i = 0; i < m_NumRows; i++)
{
m_CellInfo[i] = (cellStruct*) realloc(m_CellInfo[i], sizeof(cellStruct) * cols);
for (j = m_NumCols; j < cols; j++)
}
m_ColsInfo = (colStruct*) realloc(m_ColsInfo, sizeof(colStruct) * cols);
- for (j = m_NumCols; j < cols; j++)
+ for (j = m_NumCols; j < cols; j++)
{
m_ColsInfo[j].width = 0;
m_ColsInfo[j].units = wxHTML_UNITS_PERCENT;
+ m_ColsInfo[j].minWidth = m_ColsInfo[j].maxWidth = -1;
}
m_NumCols = cols;
void wxHtmlTableCell::ReallocRows(int rows)
{
m_CellInfo = (cellStruct**) realloc(m_CellInfo, sizeof(cellStruct*) * rows);
- for (int row = m_NumRows; row < rows ; row++)
+ for (int row = m_NumRows; row < rows ; row++)
{
- if (m_NumCols == 0)
+ if (m_NumCols == 0)
m_CellInfo[row] = NULL;
- else
+ else
{
m_CellInfo[row] = (cellStruct*) malloc(sizeof(cellStruct) * m_NumCols);
for (int col = 0; col < m_NumCols; col++)
// scan params:
m_rBkg = m_tBkg;
- if (tag.HasParam(wxT("BGCOLOR")))
+ if (tag.HasParam(wxT("BGCOLOR")))
tag.GetParamAsColour(wxT("BGCOLOR"), &m_rBkg);
- if (tag.HasParam(wxT("VALIGN")))
- m_rValign = tag.GetParam(wxT("VALIGN"));
- else
+ if (tag.HasParam(wxT("VALIGN")))
+ m_rValign = tag.GetParam(wxT("VALIGN"));
+ else
m_rValign = m_tValign;
}
}
// cells & columns:
- do
+ do
{
m_ActualCol++;
- } while ((m_ActualCol < m_NumCols) &&
+ } while ((m_ActualCol < m_NumCols) &&
(m_CellInfo[m_ActualRow][m_ActualCol].flag != cellFree));
-
+
if (m_ActualCol > m_NumCols - 1)
ReallocCols(m_ActualCol + 1);
wxSscanf(wd.c_str(), wxT("%i%%"), &m_ColsInfo[c].width);
m_ColsInfo[c].units = wxHTML_UNITS_PERCENT;
}
- else
+ else
{
wxSscanf(wd.c_str(), wxT("%i"), &m_ColsInfo[c].width);
m_ColsInfo[c].width = (int)(m_PixelScale * (double)m_ColsInfo[c].width);
{
tag.GetParamAsInt(wxT("COLSPAN"), &m_CellInfo[r][c].colspan);
tag.GetParamAsInt(wxT("ROWSPAN"), &m_CellInfo[r][c].rowspan);
- if ((m_CellInfo[r][c].colspan != 1) || (m_CellInfo[r][c].rowspan != 1))
+ if ((m_CellInfo[r][c].colspan != 1) || (m_CellInfo[r][c].rowspan != 1))
{
int i, j;
- if (r + m_CellInfo[r][c].rowspan > m_NumRows)
+ if (r + m_CellInfo[r][c].rowspan > m_NumRows)
ReallocRows(r + m_CellInfo[r][c].rowspan);
- if (c + m_CellInfo[r][c].colspan > m_NumCols)
+ if (c + m_CellInfo[r][c].colspan > m_NumCols)
ReallocCols(c + m_CellInfo[r][c].colspan);
for (i = r; i < r + m_CellInfo[r][c].rowspan; i++)
for (j = c; j < c + m_CellInfo[r][c].colspan; j++)
//background color:
{
wxColour bk = m_rBkg;
- if (tag.HasParam(wxT("BGCOLOR")))
+ if (tag.HasParam(wxT("BGCOLOR")))
tag.GetParamAsColour(wxT("BGCOLOR"), &bk);
if (bk.Ok())
cell->SetBackgroundColour(bk);
// vertical alignment:
{
wxString valign;
- if (tag.HasParam(wxT("VALIGN")))
- valign = tag.GetParam(wxT("VALIGN"));
- else
+ if (tag.HasParam(wxT("VALIGN")))
+ valign = tag.GetParam(wxT("VALIGN"));
+ else
valign = m_tValign;
valign.MakeUpper();
- if (valign == wxT("TOP"))
+ if (valign == wxT("TOP"))
m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP;
- else if (valign == wxT("BOTTOM"))
+ else if (valign == wxT("BOTTOM"))
m_CellInfo[r][c].valign = wxHTML_ALIGN_BOTTOM;
else m_CellInfo[r][c].valign = wxHTML_ALIGN_CENTER;
}
+void wxHtmlTableCell::ComputeMinMaxWidths()
+{
+ if (m_NumCols == 0 || m_ColsInfo[0].minWidth != -1) return;
+
+ int left, right, width;
+
+ for (int c = 0; c < m_NumCols; c++)
+ {
+ for (int r = 0; r < m_NumRows; r++)
+ {
+ cellStruct& cell = m_CellInfo[r][c];
+ if (cell.flag == cellUsed)
+ {
+ cell.cont->Layout(2*m_Padding + 1);
+ cell.cont->GetHorizontalConstraints(&left, &right);
+ width = right - left;
+ width -= (cell.colspan-1) * m_Spacing;
+ // HTML 4.0 says it is acceptable to distribute min/max
+ // width of spanning cells evently
+ width /= cell.colspan;
+ for (int j = 0; j < cell.colspan; j++)
+ if (width > m_ColsInfo[c+j].minWidth)
+ m_ColsInfo[c+j].minWidth = width;
+ }
+ }
+ }
+
+ // FIXME -- compute maxWidth as well. Not needed yet, so there's no
+ // point in computing it.
+}
void wxHtmlTableCell::Layout(int w)
{
+ ComputeMinMaxWidths();
+
+ wxHtmlCell::Layout(w);
+
/*
WIDTH ADJUSTING :
*/
- if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT)
+ 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
+ else
{
if (m_WidthFloat < 0) m_Width = w + m_WidthFloat;
else m_Width = m_WidthFloat;
{
int wpix = m_Width - (m_NumCols + 1) * m_Spacing;
int i, j;
- int wtemp = 0;
// 1a. setup fixed-width columns:
for (i = 0; i < m_NumCols; i++)
if (m_ColsInfo[i].units == wxHTML_UNITS_PIXELS)
- wpix -= (m_ColsInfo[i].pixwidth = m_ColsInfo[i].width);
+ {
+ m_ColsInfo[i].pixwidth = wxMax(m_ColsInfo[i].width,
+ m_ColsInfo[i].minWidth);
+ wpix -= m_ColsInfo[i].pixwidth;
+ }
// 1b. setup floating-width columns:
+ int wtemp = 0;
for (i = 0; i < m_NumCols; i++)
if ((m_ColsInfo[i].units == wxHTML_UNITS_PERCENT) && (m_ColsInfo[i].width != 0))
- wtemp += (m_ColsInfo[i].pixwidth = m_ColsInfo[i].width * wpix / 100);
+ {
+ m_ColsInfo[i].pixwidth = wxMax(m_ColsInfo[i].width * wpix / 100,
+ m_ColsInfo[i].minWidth);
+ wtemp += m_ColsInfo[i].pixwidth;
+ }
wpix -= wtemp;
// 1c. setup defalut columns (no width specification supplied):
/* 2. compute positions of columns: */
{
int wpos = m_Spacing;
- for (int i = 0; i < m_NumCols; i++)
+ for (int i = 0; i < m_NumCols; i++)
{
m_ColsInfo[i].leftpos = wpos;
wpos += m_ColsInfo[i].pixwidth + m_Spacing;
ypos[0] = m_Spacing;
for (actrow = 1; actrow <= m_NumRows; actrow++) ypos[actrow] = -1;
- for (actrow = 0; actrow < m_NumRows; actrow++)
+ for (actrow = 0; actrow < m_NumRows; actrow++)
{
if (ypos[actrow] == -1) ypos[actrow] = ypos[actrow-1];
// 3a. sub-layout and detect max height:
}
}
- for (actrow = 0; actrow < m_NumRows; actrow++)
+ for (actrow = 0; actrow < m_NumRows; actrow++)
{
// 3b. place cells in row & let'em all have same height:
- for (actcol = 0; actcol < m_NumCols; actcol++)
+ for (actcol = 0; actcol < m_NumCols; actcol++)
{
if (m_CellInfo[actrow][actcol].flag != cellUsed) continue;
actcell = m_CellInfo[actrow][actcol].cont;
wxHtmlContainerCell *c;
// new table started, backup upper-level table (if any) and create new:
- if (tag.GetName() == wxT("TABLE"))
+ if (tag.GetName() == wxT("TABLE"))
{
wxHtmlTableCell *oldt = m_Table;
wxHtmlContainerCell *oldcont;
}
- else if (m_Table && !tag.IsEnding())
+ else if (m_Table)
{
// new row in table
- if (tag.GetName() == wxT("TR"))
+ if (tag.GetName() == wxT("TR"))
{
m_Table->AddRow(tag);
m_rAlign = m_tAlign;
- if (tag.HasParam(wxT("ALIGN")))
+ if (tag.HasParam(wxT("ALIGN")))
m_rAlign = tag.GetParam(wxT("ALIGN"));
}
// new cell
- else
+ else
{
m_WParser->SetAlign(m_OldAlign);
c = m_WParser->SetContainer(new wxHtmlContainerCell(m_Table));
m_WParser->OpenContainer();
- if (tag.GetName() == wxT("TH")) /*header style*/
+ if (tag.GetName() == wxT("TH")) /*header style*/
{
m_WParser->SetAlign(wxHTML_ALIGN_CENTER);
}
wxString als;
als = m_rAlign;
- if (tag.HasParam(wxT("ALIGN")))
+ if (tag.HasParam(wxT("ALIGN")))
als = tag.GetParam(wxT("ALIGN"));
als.MakeUpper();
- if (als == wxT("RIGHT"))
+ if (als == wxT("RIGHT"))
m_WParser->SetAlign(wxHTML_ALIGN_RIGHT);
- else if (als == wxT("CENTER"))
+ else if (als == wxT("CENTER"))
m_WParser->SetAlign(wxHTML_ALIGN_CENTER);
}
m_WParser->OpenContainer();
projects / wxWidgets.git / blobdiff