+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
+ {
+ /* ... whereas the minimal size of spacers and windows in stored
+ in the item */
+ 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;
+}
+
+void wxGridSizer::RecalcSizes()
+{
+ if (m_children.GetCount() == 0)
+ return;
+
+ int nitems = m_children.GetCount();
+ int nrows = m_rows;
+ int ncols = m_cols;
+
+ if (ncols > 0)
+ nrows = (nitems + ncols-1) / ncols;
+ else
+ ncols = (nitems + nrows-1) / nrows;
+
+ 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()
+{
+ if (m_children.GetCount() == 0)
+ return wxSize(10,10);
+
+ int nitems = m_children.GetCount();
+ int nrows = m_rows;
+ int ncols = m_cols;
+
+ if (ncols > 0)
+ nrows = (nitems + ncols-1) / ncols;
+ else
+ ncols = (nitems + nrows-1) / nrows;
+
+ /* 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;
+
+ if (m_children.GetCount() == 0)
+ return;
+
+ int nitems = m_children.GetCount();
+ int nrows = m_rows;
+ int ncols = m_cols;
+
+ if (ncols > 0)
+ nrows = (nitems + ncols-1) / ncols;
+ else
+ ncols = (nitems + nrows-1) / nrows;
+
+ 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()
+{
+ if (m_children.GetCount() == 0)
+ return;
+
+ int nitems = m_children.GetCount();
+ int nrows = m_rows;
+ int ncols = m_cols;
+
+ if (ncols > 0)
+ nrows = (nitems + ncols-1) / ncols;
+ else
+ ncols = (nitems + nrows-1) / nrows;
+
+ wxSize sz( GetSize() );
+ wxSize minsz( CalcMin() );
+ wxPoint pt( GetPosition() );
+ int delta;
+ size_t idx;
+
+ if ((m_growableRows.GetCount() > 0) && (sz.y > minsz.y))
+ {
+ delta = (sz.y - minsz.y) / m_growableRows.GetCount();
+ for (idx = 0; idx < m_growableRows.GetCount(); idx++)
+ m_rowHeights[ m_growableRows[idx] ] += delta;
+ }
+
+ if ((m_growableCols.GetCount() > 0) && (sz.x > minsz.x))
+ {
+ delta = (sz.x - minsz.x) / m_growableCols.GetCount();
+ for (idx = 0; idx < m_growableCols.GetCount(); idx++)
+ m_colWidths[ m_growableCols[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()
+{
+ if (m_children.GetCount() == 0)
+ return wxSize(10,10);
+
+ int nitems = m_children.GetCount();
+ int nrows = m_rows;
+ int ncols = m_cols;
+
+ if (ncols > 0)
+ nrows = (nitems + ncols-1) / ncols;
+ else
+ ncols = (nitems + nrows-1) / nrows;
+
+ CreateArrays();
+
+ int col;
+ int row;
+
+ int i = 0;
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ wxSize sz( item->CalcMin() );
+ row = i / ncols;
+ 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 (col = 0; col < ncols; col++)
+ width += m_colWidths[ col ];
+
+ int height = 0;
+ for (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) )
+{
+}
+
+//---------------------------------------------------------------------------
+// wxBoxSizer
+//---------------------------------------------------------------------------
+
+wxBoxSizer::wxBoxSizer( int orient )
+{
+ m_orient = orient;
+}
+
+void wxBoxSizer::RecalcSizes()
+{
+ if (m_children.GetCount() == 0)
+ return;
+
+ int delta = 0;
+ int extra = 0;
+ if (m_stretchable)
+ {
+ if (m_orient == wxHORIZONTAL)
+ {
+ delta = (m_size.x - m_fixedWidth) / m_stretchable;
+ extra = (m_size.x - m_fixedWidth) % m_stretchable;
+ }
+ else
+ {
+ delta = (m_size.y - m_fixedHeight) / m_stretchable;
+ extra = (m_size.y - m_fixedHeight) % m_stretchable;
+ }
+ }
+
+ wxPoint pt( m_position );
+
+ wxNode *node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*) node->Data();
+
+ int weight = 1;
+ if (item->GetOption())
+ weight = item->GetOption();
+
+ wxSize size( item->CalcMin() );
+
+ if (m_orient == wxVERTICAL)
+ {
+ wxCoord height = size.y;
+ if (item->GetOption())
+ {
+ height = (delta * weight) + extra;
+ extra = 0; // only the first item will get the remainder as extra size
+ }
+
+ wxPoint child_pos( pt );
+ wxSize child_size( wxSize( size.x, height) );
+
+ if (item->GetFlag() & (wxEXPAND | wxSHAPED))
+ child_size.x = m_size.x;
+ else if (item->GetFlag() & wxALIGN_RIGHT)
+ child_pos.x += m_size.x - size.x;
+ else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_HORIZONTAL))
+ // XXX wxCENTER is added for backward compatibility;
+ // wxALIGN_CENTER should be used in new code
+ child_pos.x += (m_size.x - size.x) / 2;
+
+ item->SetDimension( child_pos, child_size );
+
+ pt.y += height;
+ }
+ else
+ {
+ wxCoord width = size.x;
+ if (item->GetOption())
+ {
+ width = (delta * weight) + extra;
+ extra = 0; // only the first item will get the remainder as extra size
+ }
+
+ wxPoint child_pos( pt );
+ wxSize child_size( wxSize(width, size.y) );
+
+ if (item->GetFlag() & (wxEXPAND | wxSHAPED))
+ child_size.y = m_size.y;
+ else if (item->GetFlag() & wxALIGN_BOTTOM)
+ child_pos.y += m_size.y - size.y;
+ else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_VERTICAL))
+ // XXX wxCENTER is added for backward compatibility;
+ // wxALIGN_CENTER should be used in new code
+ child_pos.y += (m_size.y - size.y) / 2;
+
+ item->SetDimension( child_pos, child_size );
+
+ pt.x += width;
+ }
+
+ node = node->Next();
+ }
+}
+
+wxSize wxBoxSizer::CalcMin()
+{
+ if (m_children.GetCount() == 0)
+ return wxSize(10,10);
+
+ m_stretchable = 0;
+ m_minWidth = 0;
+ m_minHeight = 0;
+ m_fixedWidth = 0;
+ m_fixedHeight = 0;
+
+ // Find how long each stretch unit needs to be
+ int stretchSize = 1;
+ wxNode *node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*) node->Data();
+ if (item->GetOption() != 0)
+ {
+ int stretch = item->GetOption();
+ wxSize size( item->CalcMin() );
+ int sizePerStretch;
+ // Integer division rounded up is (a + b - 1) / b
+ if (m_orient == wxHORIZONTAL)
+ sizePerStretch = ( size.x + stretch - 1 ) / stretch;
+ else
+ sizePerStretch = ( size.y + stretch - 1 ) / stretch;
+ if (sizePerStretch > stretchSize)
+ stretchSize = sizePerStretch;
+ }
+ node = node->Next();
+ }
+ // Calculate overall minimum size
+ node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*) node->Data();
+
+ m_stretchable += item->GetOption();
+
+ wxSize size( item->CalcMin() );
+ if (item->GetOption() != 0)
+ {
+ if (m_orient == wxHORIZONTAL)
+ size.x = stretchSize * item->GetOption();
+ else
+ size.y = stretchSize * item->GetOption();
+ }
+
+ if (m_orient == wxHORIZONTAL)
+ {
+ m_minWidth += size.x;
+ m_minHeight = wxMax( m_minHeight, size.y );
+ }
+ else
+ {
+ m_minHeight += size.y;
+ m_minWidth = wxMax( m_minWidth, size.x );
+ }
+
+ if (item->GetOption() == 0)
+ {
+ if (m_orient == wxVERTICAL)
+ {
+ m_fixedHeight += size.y;
+ m_fixedWidth = wxMax( m_fixedWidth, size.x );
+ }
+ else
+ {
+ m_fixedWidth += size.x;
+ m_fixedHeight = wxMax( m_fixedHeight, size.y );
+ }
+ }
+
+ node = node->Next();
+ }
+
+ return wxSize( m_minWidth, m_minHeight );
+}
+
+//---------------------------------------------------------------------------
+// wxStaticBoxSizer
+//---------------------------------------------------------------------------
+
+#if wxUSE_STATBOX
+
+wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient )
+ : wxBoxSizer( orient )
+{
+ wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") );
+
+ m_staticBox = box;
+}
+
+static void GetStaticBoxBorders(wxStaticBox *box,
+ int *borderTop, int *borderOther)
+{
+ // this has to be done platform by platform as there is no way to
+ // guess the thickness of a wxStaticBox border
+#ifdef __WXGTK__
+ if ( box->GetLabel().IsEmpty() )
+ *borderTop = 5;
+ else
+#endif // __WXGTK__
+ *borderTop = 15;
+ (void)box;
+ *borderOther = 5;
+}
+
+void wxStaticBoxSizer::RecalcSizes()
+{
+ int top_border, other_border;
+ GetStaticBoxBorders(m_staticBox, &top_border, &other_border);
+
+ m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y );
+
+ wxPoint old_pos( m_position );
+ m_position.x += other_border;
+ m_position.y += top_border;
+ wxSize old_size( m_size );
+ m_size.x -= 2*other_border;
+ m_size.y -= top_border + other_border;
+
+ wxBoxSizer::RecalcSizes();
+
+ m_position = old_pos;
+ m_size = old_size;
+}
+
+wxSize wxStaticBoxSizer::CalcMin()
+{
+ int top_border, other_border;
+ GetStaticBoxBorders(m_staticBox, &top_border, &other_border);
+
+ wxSize ret( wxBoxSizer::CalcMin() );
+ ret.x += 2*other_border;
+ ret.y += other_border + top_border;
+
+ return ret;
+}
+
+#endif // wxUSE_STATBOX
+
+//---------------------------------------------------------------------------
+// wxNotebookSizer
+//---------------------------------------------------------------------------
+
+#if wxUSE_NOTEBOOK
+
+wxNotebookSizer::wxNotebookSizer( wxNotebook *nb )
+{
+ wxASSERT_MSG( nb, wxT("wxNotebookSizer needs a notebook") );
+
+ m_notebook = nb;
+}
+
+void wxNotebookSizer::RecalcSizes()
+{
+ m_notebook->SetSize( m_position.x, m_position.y, m_size.x, m_size.y );
+}
+
+wxSize wxNotebookSizer::CalcMin()
+{
+ wxSize sizeBorder = m_notebook->CalcSizeFromPage(wxSize(0, 0));
+
+ sizeBorder.x += 5;
+ sizeBorder.y += 5;
+
+ if (m_notebook->GetChildren().GetCount() == 0)
+ {
+ return wxSize(sizeBorder.x + 10, sizeBorder.y + 10);
+ }
+
+ int maxX = 0;
+ int maxY = 0;
+
+ wxWindowList::Node *node = m_notebook->GetChildren().GetFirst();
+ while (node)
+ {
+ wxWindow *item = node->GetData();
+ wxSizer *itemsizer = item->GetSizer();
+
+ if (itemsizer)
+ {
+ wxSize subsize( itemsizer->CalcMin() );
+
+ if (subsize.x > maxX)
+ maxX = subsize.x;
+ if (subsize.y > maxY)
+ maxY = subsize.y;
+ }
+
+ node = node->GetNext();
+ }
+
+ return wxSize( maxX, maxY ) + sizeBorder;
+}
+
+#endif // wxUSE_NOTEBOOK
projects / wxWidgets.git / blobdiff