workaround for blocking behaviour under carbon when running in classic

[wxWidgets.git] / src / html / m_tables.cpp

diff --git a/src/html/m_tables.cpp b/src/html/m_tables.cpp
index a9c560ea443933d8d036921462755f4404c6d726..d1abf09252f2ac8418f9b539c642702ab1cd3f04 100644 (file)
--- a/src/html/m_tables.cpp
+++ b/src/html/m_tables.cpp
@@ -7,7 +7,7 @@
 // Licence:     wxWindows Licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation
 #endif
 
@@ -15,7 +15,7 @@
 
 #include "wx/defs.h"
 #if wxUSE_HTML && wxUSE_STREAMS
-#ifdef __BORDLANDC__
+#ifdef __BORLANDC__
 #pragma hdrstop
 #endif
 
@@ -125,6 +125,8 @@ private:
     // Computes minimal and maximal widths of columns. Needs to be called
     // only once, before first Layout(). 
     void ComputeMinMaxWidths();
+
+    DECLARE_NO_COPY_CLASS(wxHtmlTableCell)
 };
 
 
@@ -291,7 +293,19 @@ void wxHtmlTableCell::AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag)
     {
         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))
+
+        // VS: the standard says this about col/rowspan:
+        //     "This attribute specifies the number of rows spanned by the 
+        //     current cell. The default value of this attribute is one ("1"). 
+        //     The value zero ("0") means that the cell spans all rows from the 
+        //     current row to the last row of the table." All mainstream 
+        //     browsers act as if 0==1, though, and so does wxHTML.
+        if (m_CellInfo[r][c].colspan < 1) 
+            m_CellInfo[r][c].colspan = 1;
+        if (m_CellInfo[r][c].rowspan < 1) 
+            m_CellInfo[r][c].rowspan = 1;
+
+        if ((m_CellInfo[r][c].colspan > 1) || (m_CellInfo[r][c].rowspan > 1))
         {
             int i, j;
 
@@ -335,14 +349,10 @@ void wxHtmlTableCell::AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag)
     cell->SetIndent(m_Padding, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
 }
 
-
-
 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++)
@@ -351,11 +361,9 @@ void wxHtmlTableCell::ComputeMinMaxWidths()
             if (cell.flag == cellUsed)
             {
                 cell.cont->Layout(2*m_Padding + 1);
-                cell.cont->GetHorizontalConstraints(&left, &right);
-                width = right - left;
+                int width = cell.cont->GetWidth();
                 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)
@@ -425,13 +433,18 @@ void wxHtmlTableCell::Layout(int w)
         wpix -= wtemp;
 
         // 1c. setup defalut columns (no width specification supplied):
-        // NOTE! This algorithm doesn't conform to HTML standard : it assigns equal widths
-        // instead of optimal
+        // FIXME: This algorithm doesn't conform to HTML standard : it assigns
+        //        equal widths instead of optimal
         for (i = j = 0; i < m_NumCols; i++)
             if (m_ColsInfo[i].width == 0) j++;
         for (i = 0; i < m_NumCols; i++)
             if (m_ColsInfo[i].width == 0)
-                m_ColsInfo[i].pixwidth = wpix / j;
+            {
+                // FIXME: this is not optimal, because if we allocate more than
+                //        wpix/j pixels to one column, we should try to allocate
+                //        smaller place to other columns
+                m_ColsInfo[i].pixwidth = wxMax(wpix/j, m_ColsInfo[i].minWidth);
+            }
     }
 
     /* 2.  compute positions of columns: */
@@ -497,6 +510,15 @@ void wxHtmlTableCell::Layout(int w)
         m_Height = ypos[m_NumRows];
         delete[] ypos;
     }
+
+    /* 4. adjust table's width if it was too small: */
+    if (m_NumCols > 0)
+    {
+        int twidth = m_ColsInfo[m_NumCols-1].leftpos + 
+                     m_ColsInfo[m_NumCols-1].pixwidth + m_Spacing;
+        if (twidth > m_Width)
+            m_Width = twidth;
+    }
 }
 
 
@@ -514,13 +536,11 @@ TAG_HANDLER_BEGIN(TABLE, "TABLE,TR,TD,TH")
     TAG_HANDLER_VARS
         wxHtmlTableCell* m_Table;
         wxString m_tAlign, m_rAlign;
-        int m_OldAlign;
 
     TAG_HANDLER_CONSTR(TABLE)
     {
         m_Table = NULL;
         m_tAlign = m_rAlign = wxEmptyString;
-        m_OldAlign = wxHTML_ALIGN_LEFT;
     }
 
 
@@ -533,22 +553,22 @@ TAG_HANDLER_BEGIN(TABLE, "TABLE,TR,TD,TH")
         {
             wxHtmlTableCell *oldt = m_Table;
             wxHtmlContainerCell *oldcont;
-            int m_OldAlign;
 
             oldcont = c = m_WParser->OpenContainer();
 
             c->SetWidthFloat(tag, m_WParser->GetPixelScale());
             m_Table = new wxHtmlTableCell(c, tag, m_WParser->GetPixelScale());
-            m_OldAlign = m_WParser->GetAlign();
+            int oldAlign = m_WParser->GetAlign();
             m_tAlign = wxEmptyString;
             if (tag.HasParam(wxT("ALIGN")))
                 m_tAlign = tag.GetParam(wxT("ALIGN"));
 
             ParseInner(tag);
 
-            m_WParser->SetAlign(m_OldAlign);
+            m_WParser->SetAlign(oldAlign);
             m_WParser->SetContainer(oldcont);
             m_WParser->CloseContainer();
+            
             m_Table = oldt;
             return TRUE;
         }
@@ -568,29 +588,29 @@ TAG_HANDLER_BEGIN(TABLE, "TABLE,TR,TD,TH")
             // new cell
             else
             {
-                m_WParser->SetAlign(m_OldAlign);
                 c = m_WParser->SetContainer(new wxHtmlContainerCell(m_Table));
                 m_Table->AddCell(c, tag);
 
                 m_WParser->OpenContainer();
 
                 if (tag.GetName() == wxT("TH")) /*header style*/
-                {
                     m_WParser->SetAlign(wxHTML_ALIGN_CENTER);
-                }
-
-                {
-                    wxString als;
-
-                    als = m_rAlign;
-                    if (tag.HasParam(wxT("ALIGN")))
-                        als = tag.GetParam(wxT("ALIGN"));
-                    als.MakeUpper();
-                    if (als == wxT("RIGHT"))
-                        m_WParser->SetAlign(wxHTML_ALIGN_RIGHT);
-                    else if (als == wxT("CENTER"))
-                        m_WParser->SetAlign(wxHTML_ALIGN_CENTER);
-                }
+                else
+                    m_WParser->SetAlign(wxHTML_ALIGN_LEFT);
+
+                wxString als;
+
+                als = m_rAlign;
+                if (tag.HasParam(wxT("ALIGN")))
+                    als = tag.GetParam(wxT("ALIGN"));
+                als.MakeUpper();
+                if (als == wxT("RIGHT"))
+                    m_WParser->SetAlign(wxHTML_ALIGN_RIGHT);
+                else if (als == wxT("LEFT"))
+                    m_WParser->SetAlign(wxHTML_ALIGN_LEFT);
+                else if (als == wxT("CENTER"))
+                    m_WParser->SetAlign(wxHTML_ALIGN_CENTER);
+
                 m_WParser->OpenContainer();
             }
         }