+wxSize wxSizer::GetMinSize()
+{
+ wxSize ret( CalcMin() );
+ if (ret.x < m_minSize.x) ret.x = m_minSize.x;
+ if (ret.y < m_minSize.y) ret.y = m_minSize.y;
+ return ret;
+}
+
+void wxSizer::DoSetMinSize( int width, int height )
+{
+ m_minSize.x = width;
+ m_minSize.y = height;
+}
+
+bool wxSizer::DoSetItemMinSize( wxWindow *window, int width, int height )
+{
+ wxASSERT( window );
+
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ if (item->GetWindow() == window)
+ {
+ item->SetInitSize( width, height );
+ return TRUE;
+ }
+ node = node->Next();
+ }
+
+ node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ if (item->GetSizer())
+ {
+ // It's a sizer, so lets search recursively.
+ if (item->GetSizer()->DoSetItemMinSize( window, width, height ))
+ {
+ // A child sizer found the requested windw, exit.
+ return TRUE;
+ }
+ }
+ node = node->Next();
+ }
+
+ return FALSE;
+}
+
+bool wxSizer::DoSetItemMinSize( wxSizer *sizer, int width, int height )
+{
+ wxASSERT( sizer );
+
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ if (item->GetSizer() == sizer)
+ {
+ item->GetSizer()->DoSetMinSize( width, height );
+ return TRUE;
+ }
+ node = node->Next();
+ }
+
+ node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ if (item->GetSizer())
+ {
+ // It's a sizer, so lets search recursively.
+ if (item->GetSizer()->DoSetItemMinSize( sizer, width, height ))
+ {
+ // A child sizer found the requested windw, exit.
+ return TRUE;
+ }
+ }
+ node = node->Next();
+ }
+
+ return FALSE;
+}
+
+bool wxSizer::DoSetItemMinSize( int pos, int width, int height )
+{
+ wxNode *node = m_children.Nth( pos );
+ if (!node) return FALSE;
+
+ wxSizerItem *item = (wxSizerItem*) node->Data();
+ if (item->GetSizer())
+ {
+ // Sizers contains the minimal size in them, if not calculated ...
+ item->GetSizer()->DoSetMinSize( width, height );
+ }
+ else
+ {
+ // ... but the minimal size of spacers and windows in stored in them
+ item->SetInitSize( width, height );
+ }
+
+ return TRUE;
+}
+
+//---------------------------------------------------------------------------
+// wxGridSizer
+//---------------------------------------------------------------------------
+
+wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap )
+{
+ m_rows = rows;
+ m_cols = cols;
+ m_vgap = vgap;
+ m_hgap = hgap;
+}
+
+wxGridSizer::wxGridSizer( int cols, int vgap, int hgap )
+{
+ m_rows = 0;
+ m_cols = cols;
+ m_vgap = vgap;
+ m_hgap = hgap;
+}
+
+int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const
+{
+ int nitems = m_children.GetCount();
+ if ( nitems)
+ {
+ if ( m_cols )
+ {
+ ncols = m_cols;
+ nrows = (nitems + m_cols - 1) / m_cols;
+ }
+ else if ( m_rows )
+ {
+ ncols = (nitems + m_rows - 1) / m_rows;
+ nrows = m_rows;
+ }
+ else // 0 columns, 0 rows?
+ {
+ wxFAIL_MSG( _T("grid sizer must have either rows or columns fixed") );
+
+ nrows = ncols = 0;
+ }
+ }
+
+ return nitems;
+}
+
+void wxGridSizer::RecalcSizes()
+{
+ int nitems, nrows, ncols;
+ if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 )
+ return;
+
+ wxSize sz( GetSize() );
+ wxPoint pt( GetPosition() );
+
+ int w = (sz.x - (ncols - 1) * m_hgap) / ncols;
+ int h = (sz.y - (nrows - 1) * m_vgap) / nrows;
+
+ int x = pt.x;
+ for (int c = 0; c < ncols; c++)
+ {
+ int y = pt.y;
+ for (int r = 0; r < nrows; r++)
+ {
+ int i = r * ncols + c;
+ if (i < nitems)
+ {
+ wxNode *node = m_children.Nth( i );
+ wxASSERT( node );
+
+ SetItemBounds( (wxSizerItem*) node->Data(), x, y, w, h);
+ }
+ y = y + h + m_vgap;
+ }
+ x = x + w + m_hgap;
+ }
+}
+
+wxSize wxGridSizer::CalcMin()
+{
+ int nitems, nrows, ncols;
+ if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 )
+ return wxSize(10, 10);
+
+ // Find the max width and height for any component
+ int w = 0;
+ int h = 0;
+
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ wxSize sz( item->CalcMin() );
+ w = wxMax( w, sz.x );
+ h = wxMax( h, sz.y );
+
+ node = node->Next();
+ }
+
+ return wxSize(ncols * w + (ncols-1) * m_hgap,
+ nrows * h + (nrows-1) * m_vgap);
+}
+
+void wxGridSizer::SetItemBounds( wxSizerItem *item, int x, int y, int w, int h )
+{
+ wxPoint pt( x,y );
+ wxSize sz( item->CalcMin() );
+ int flag = item->GetFlag();
+
+ if ((flag & wxEXPAND) || (flag & wxSHAPED))
+ {
+ sz = wxSize(w, h);
+ }
+ else
+ {
+ if (flag & wxALIGN_CENTER_HORIZONTAL)
+ {
+ pt.x = x + (w - sz.x) / 2;
+ }
+ else if (flag & wxALIGN_RIGHT)
+ {
+ pt.x = x + (w - sz.x);
+ }
+
+ if (flag & wxALIGN_CENTER_VERTICAL)
+ {
+ pt.y = y + (h - sz.y) / 2;
+ }
+ else if (flag & wxALIGN_BOTTOM)
+ {
+ pt.y = y + (h - sz.y);
+ }
+ }
+
+ item->SetDimension(pt, sz);
+}
+
+//---------------------------------------------------------------------------
+// wxFlexGridSizer
+//---------------------------------------------------------------------------
+
+wxFlexGridSizer::wxFlexGridSizer( int rows, int cols, int vgap, int hgap )
+ : wxGridSizer( rows, cols, vgap, hgap )
+{
+ m_rowHeights = (int*) NULL;
+ m_colWidths = (int*) NULL;
+}
+
+wxFlexGridSizer::wxFlexGridSizer( int cols, int vgap, int hgap )
+ : wxGridSizer( cols, vgap, hgap )
+{
+ m_rowHeights = (int*) NULL;
+ m_colWidths = (int*) NULL;
+}
+
+wxFlexGridSizer::~wxFlexGridSizer()
+{
+ if (m_rowHeights)
+ delete[] m_rowHeights;
+ if (m_colWidths)
+ delete[] m_colWidths;
+}
+
+void wxFlexGridSizer::CreateArrays()
+{
+ if (m_rowHeights)
+ delete[] m_rowHeights;
+ if (m_colWidths)
+ delete[] m_colWidths;
+
+ int nitems, nrows, ncols;
+ if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 )
+ {
+ m_rowHeights =
+ m_colWidths = NULL;
+ }
+
+ m_rowHeights = new int[nrows];
+ m_colWidths = new int[ncols];
+
+ for (int col = 0; col < ncols; col++)
+ m_colWidths[ col ] = 0;
+ for (int row = 0; row < nrows; row++)
+ m_rowHeights[ row ] = 0;
+}
+
+void wxFlexGridSizer::RecalcSizes()
+{
+ int nitems, nrows, ncols;
+ if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 )
+ return;
+
+ wxSize sz( GetSize() );
+ wxSize minsz( CalcMin() );
+ wxPoint pt( GetPosition() );
+ int delta;
+ size_t idx,num;
+ wxArrayInt temp;
+
+ // Transfer only those rows into temp which exist in the sizer
+ // ignoring the superflouus ones. This prevents a segfault when
+ // calling AddGrowableRow( 3 ) if the sizer only has 2 rows.
+ for (idx = 0; idx < m_growableRows.GetCount(); idx++)
+ if (m_growableRows[idx] < nrows)
+ temp.Add( m_growableRows[idx] );
+ num = temp.GetCount();
+
+ if ((num > 0) && (sz.y > minsz.y))
+ {
+ delta = (sz.y - minsz.y) / num;
+ for (idx = 0; idx < num; idx++)
+ m_rowHeights[ temp[idx] ] += delta;
+ }
+
+ temp.Empty();
+ // See above
+ for (idx = 0; idx < m_growableCols.GetCount(); idx++)
+ if (m_growableCols[idx] < ncols)
+ temp.Add( m_growableCols[idx] );
+ num = temp.GetCount();
+
+ if ((num > 0) && (sz.x > minsz.x))
+ {
+ delta = (sz.x - minsz.x) / num;
+ for (idx = 0; idx < num; idx++)
+ m_colWidths[ temp[idx] ] += delta;
+ }
+
+ sz = wxSize( pt.x + sz.x, pt.y + sz.y );
+
+ int x = pt.x;
+ for (int c = 0; c < ncols; c++)
+ {
+ int y = pt.y;
+ for (int r = 0; r < nrows; r++)
+ {
+ int i = r * ncols + c;
+ if (i < nitems)
+ {
+ wxNode *node = m_children.Nth( i );
+ wxASSERT( node );
+
+ int w = wxMax( 0, wxMin( m_colWidths[c], sz.x - x ) );
+ int h = wxMax( 0, wxMin( m_rowHeights[r], sz.y - y ) );
+
+ SetItemBounds( (wxSizerItem*) node->Data(), x, y, w, h);
+ }
+ y = y + m_rowHeights[r] + m_vgap;
+ }
+ x = x + m_colWidths[c] + m_hgap;
+ }
+}
+
+wxSize wxFlexGridSizer::CalcMin()
+{
+ int nitems, nrows, ncols;
+ if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 )
+ return wxSize(10,10);
+
+ CreateArrays();
+
+ int i = 0;
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ wxSize sz( item->CalcMin() );
+ int row = i / ncols;
+ int col = i % ncols;
+ m_rowHeights[ row ] = wxMax( sz.y, m_rowHeights[ row ] );
+ m_colWidths[ col ] = wxMax( sz.x, m_colWidths[ col ] );
+
+ node = node->Next();
+ i++;
+ }
+
+ int width = 0;
+ for (int col = 0; col < ncols; col++)
+ width += m_colWidths[ col ];
+
+ int height = 0;
+ for (int row = 0; row < nrows; row++)
+ height += m_rowHeights[ row ];
+
+ return wxSize( width + (ncols-1) * m_hgap,
+ height + (nrows-1) * m_vgap);
+}
+
+void wxFlexGridSizer::AddGrowableRow( size_t idx )
+{
+ m_growableRows.Add( idx );
+}
+
+void wxFlexGridSizer::RemoveGrowableRow( size_t WXUNUSED(idx) )
+{
+}
+
+void wxFlexGridSizer::AddGrowableCol( size_t idx )
+{
+ m_growableCols.Add( idx );
+}
+
+void wxFlexGridSizer::RemoveGrowableCol( size_t WXUNUSED(idx) )
+{
+}
+
projects / wxWidgets.git / blobdiff