+
+void wxSizer::FitInside( wxWindow *window )
+{
+ wxSize size;
+ if (window->IsTopLevel())
+ size = VirtualFitSize( window );
+ else
+ size = GetMinClientSize( window );
+
+ window->SetVirtualSize( size );
+}
+
+void wxSizer::Layout()
+{
+ // (re)calculates minimums needed for each item and other preparations
+ // for layout
+ CalcMin();
+
+ // Applies the layout and repositions/resizes the items
+ RecalcSizes();
+}
+
+void wxSizer::SetSizeHints( wxWindow *window )
+{
+ // Preserve the window's max size hints, but set the
+ // lower bound according to the sizer calculations.
+
+ // This is equivalent to calling Fit(), except that we need to set
+ // the size hints _in between_ the two steps performed by Fit
+ // (1. ComputeFittingClientSize, 2. SetClientSize). That's because
+ // otherwise SetClientSize() could have no effect if there already are
+ // size hints in effect that forbid requested client size.
+
+ const wxSize clientSize = ComputeFittingClientSize(window);
+
+ window->SetMinClientSize(clientSize);
+ window->SetClientSize(clientSize);
+}
+
+#if WXWIN_COMPATIBILITY_2_8
+void wxSizer::SetVirtualSizeHints( wxWindow *window )
+{
+ FitInside( window );
+}
+#endif // WXWIN_COMPATIBILITY_2_8
+
+// TODO on mac we need a function that determines how much free space this
+// min size contains, in order to make sure that we have 20 pixels of free
+// space around the controls
+wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const
+{
+ return window->WindowToClientSize(window->GetMaxSize());
+}
+
+wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) )
+{
+ return GetMinSize(); // Already returns client size.
+}
+
+wxSize wxSizer::VirtualFitSize( wxWindow *window )
+{
+ wxSize size = GetMinClientSize( window );
+ wxSize sizeMax = GetMaxClientSize( window );
+
+ // Limit the size if sizeMax != wxDefaultSize
+
+ if ( size.x > sizeMax.x && sizeMax.x != wxDefaultCoord )
+ size.x = sizeMax.x;
+ if ( size.y > sizeMax.y && sizeMax.y != wxDefaultCoord )
+ size.y = sizeMax.y;
+
+ return size;
+}
+
+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_MSG( window, wxT("SetMinSize for NULL window") );
+
+ // Is it our immediate child?
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetWindow() == window)
+ {
+ item->SetMinSize( width, height );
+ return true;
+ }
+ node = node->GetNext();
+ }
+
+ // No? Search any subsizers we own then
+
+ node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if ( item->GetSizer() &&
+ item->GetSizer()->DoSetItemMinSize( window, width, height ) )
+ {
+ // A child sizer found the requested windw, exit.
+ return true;
+ }
+ node = node->GetNext();
+ }
+
+ return false;
+}
+
+bool wxSizer::DoSetItemMinSize( wxSizer *sizer, int width, int height )
+{
+ wxASSERT_MSG( sizer, wxT("SetMinSize for NULL sizer") );
+
+ // Is it our immediate child?
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetSizer() == sizer)
+ {
+ item->GetSizer()->DoSetMinSize( width, height );
+ return true;
+ }
+ node = node->GetNext();
+ }
+
+ // No? Search any subsizers we own then
+
+ node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if ( item->GetSizer() &&
+ item->GetSizer()->DoSetItemMinSize( sizer, width, height ) )
+ {
+ // A child found the requested sizer, exit.
+ return true;
+ }
+ node = node->GetNext();
+ }
+
+ return false;
+}
+
+bool wxSizer::DoSetItemMinSize( size_t index, int width, int height )
+{
+ wxSizerItemList::compatibility_iterator node = m_children.Item( index );
+
+ wxCHECK_MSG( node, false, wxT("Failed to find child node") );
+
+ wxSizerItem *item = node->GetData();
+
+ 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 is stored via the item
+ item->SetMinSize( width, height );
+ }
+
+ return true;
+}
+
+wxSizerItem* wxSizer::GetItem( wxWindow *window, bool recursive )
+{
+ wxASSERT_MSG( window, wxT("GetItem for NULL window") );
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetWindow() == window)
+ {
+ return item;
+ }
+ else if (recursive && item->IsSizer())
+ {
+ wxSizerItem *subitem = item->GetSizer()->GetItem( window, true );
+ if (subitem)
+ return subitem;
+ }
+
+ node = node->GetNext();
+ }
+
+ return NULL;
+}
+
+wxSizerItem* wxSizer::GetItem( wxSizer *sizer, bool recursive )
+{
+ wxASSERT_MSG( sizer, wxT("GetItem for NULL sizer") );
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetSizer() == sizer)
+ {
+ return item;
+ }
+ else if (recursive && item->IsSizer())
+ {
+ wxSizerItem *subitem = item->GetSizer()->GetItem( sizer, true );
+ if (subitem)
+ return subitem;
+ }
+
+ node = node->GetNext();
+ }
+
+ return NULL;
+}
+
+wxSizerItem* wxSizer::GetItem( size_t index )
+{
+ wxCHECK_MSG( index < m_children.GetCount(),
+ NULL,
+ wxT("GetItem index is out of range") );
+
+ return m_children.Item( index )->GetData();
+}
+
+wxSizerItem* wxSizer::GetItemById( int id, bool recursive )
+{
+ // This gets a sizer item by the id of the sizer item
+ // and NOT the id of a window if the item is a window.
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetId() == id)
+ {
+ return item;
+ }
+ else if (recursive && item->IsSizer())
+ {
+ wxSizerItem *subitem = item->GetSizer()->GetItemById( id, true );
+ if (subitem)
+ return subitem;
+ }
+
+ node = node->GetNext();
+ }
+
+ return NULL;
+}
+
+bool wxSizer::Show( wxWindow *window, bool show, bool recursive )
+{
+ wxSizerItem *item = GetItem( window, recursive );
+
+ if ( item )
+ {
+ item->Show( show );
+ return true;
+ }
+
+ return false;
+}
+
+bool wxSizer::Show( wxSizer *sizer, bool show, bool recursive )
+{
+ wxSizerItem *item = GetItem( sizer, recursive );
+
+ if ( item )
+ {
+ item->Show( show );
+ return true;
+ }
+
+ return false;
+}
+
+bool wxSizer::Show( size_t index, bool show)
+{
+ wxSizerItem *item = GetItem( index );
+
+ if ( item )
+ {
+ item->Show( show );
+ return true;
+ }
+
+ return false;
+}
+
+void wxSizer::ShowItems( bool show )
+{
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ node->GetData()->Show( show );
+ node = node->GetNext();
+ }
+}
+
+bool wxSizer::IsShown( wxWindow *window ) const
+{
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetWindow() == window)
+ {
+ return item->IsShown();
+ }
+ node = node->GetNext();
+ }
+
+ wxFAIL_MSG( wxT("IsShown failed to find sizer item") );
+
+ return false;
+}
+
+bool wxSizer::IsShown( wxSizer *sizer ) const
+{
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetSizer() == sizer)
+ {
+ return item->IsShown();
+ }
+ node = node->GetNext();
+ }
+
+ wxFAIL_MSG( wxT("IsShown failed to find sizer item") );
+
+ return false;
+}
+
+bool wxSizer::IsShown( size_t index ) const
+{
+ wxCHECK_MSG( index < m_children.GetCount(),
+ false,
+ wxT("IsShown index is out of range") );
+
+ return m_children.Item( index )->GetData()->IsShown();
+}
+
+
+//---------------------------------------------------------------------------
+// wxGridSizer
+//---------------------------------------------------------------------------
+
+wxGridSizer::wxGridSizer( int cols, int vgap, int hgap )
+ : m_rows( cols == 0 ? 1 : 0 ),
+ m_cols( cols ),
+ m_vgap( vgap ),
+ m_hgap( hgap )
+{
+ wxASSERT(cols >= 0);
+}
+
+wxGridSizer::wxGridSizer( int cols, const wxSize& gap )
+ : m_rows( cols == 0 ? 1 : 0 ),
+ m_cols( cols ),
+ m_vgap( gap.GetHeight() ),
+ m_hgap( gap.GetWidth() )
+{
+ wxASSERT(cols >= 0);
+}
+
+wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap )
+ : m_rows( rows || cols ? rows : 1 ),
+ m_cols( cols ),
+ m_vgap( vgap ),
+ m_hgap( hgap )
+{
+ wxASSERT(rows >= 0 && cols >= 0);
+}
+
+wxGridSizer::wxGridSizer( int rows, int cols, const wxSize& gap )
+ : m_rows( rows || cols ? rows : 1 ),
+ m_cols( cols ),
+ m_vgap( gap.GetHeight() ),
+ m_hgap( gap.GetWidth() )
+{
+ wxASSERT(rows >= 0 && cols >= 0);
+}
+
+wxSizerItem *wxGridSizer::DoInsert(size_t index, wxSizerItem *item)
+{
+ // if only the number of columns or the number of rows is specified for a
+ // sizer, arbitrarily many items can be added to it but if both of them are
+ // fixed, then the sizer can't have more than that many items -- check for
+ // this here to ensure that we detect errors as soon as possible
+ if ( m_cols && m_rows )
+ {
+ const int nitems = m_children.GetCount();
+ if ( nitems == m_cols*m_rows )
+ {
+ wxFAIL_MSG(
+ wxString::Format(
+ "too many items (%d > %d*%d) in grid sizer (maybe you "
+ "should omit the number of either rows or columns?)",
+ nitems + 1, m_cols, m_rows)
+ );
+
+ // additionally, continuing to use the specified number of columns
+ // and rows is not a good idea as callers of CalcRowsCols() expect
+ // that all sizer items can fit into m_cols-/m_rows-sized arrays
+ // which is not the case if there are too many items and results in
+ // crashes, so let it compute the number of rows automatically by
+ // forgetting the (wrong) number of rows specified (this also has a
+ // nice side effect of giving only one assert even if there are
+ // many more items than allowed in this sizer)
+ m_rows = 0;
+ }
+ }
+
+ return wxSizer::DoInsert(index, item);
+}
+
+int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const
+{
+ const int nitems = m_children.GetCount();
+
+ ncols = GetEffectiveColsCount();
+ nrows = GetEffectiveRowsCount();
+
+ // Since Insert() checks for overpopulation, the following
+ // should only assert if the grid was shrunk via SetRows() / SetCols()
+ wxASSERT_MSG( nitems <= ncols*nrows, "logic error in wxGridSizer" );
+
+ 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)
+ {
+ wxSizerItemList::compatibility_iterator node = m_children.Item( i );
+
+ wxASSERT_MSG( node, wxT("Failed to find SizerItemList node") );
+
+ SetItemBounds( node->GetData(), x, y, w, h);
+ }
+ y = y + h + m_vgap;
+ }
+ x = x + w + m_hgap;
+ }
+}
+
+wxSize wxGridSizer::CalcMin()
+{
+ int nrows, ncols;
+ if ( CalcRowsCols(nrows, ncols) == 0 )
+ return wxSize();
+
+ // Find the max width and height for any component
+ int w = 0;
+ int h = 0;
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+ wxSize sz( item->CalcMin() );
+
+ w = wxMax( w, sz.x );
+ h = wxMax( h, sz.y );
+
+ node = node->GetNext();
+ }
+
+ // In case we have a nested sizer with a two step algo , give it
+ // a chance to adjust to that (we give it width component)
+ node = m_children.GetFirst();
+ bool didChangeMinSize = false;
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+ didChangeMinSize |= item->InformFirstDirection( wxHORIZONTAL, w, -1 );
+
+ node = node->GetNext();
+ }
+
+ // And redo iteration in case min size changed
+ if( didChangeMinSize )
+ {
+ node = m_children.GetFirst();
+ w = h = 0;
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+ wxSize sz( item->GetMinSizeWithBorder() );
+
+ w = wxMax( w, sz.x );
+ h = wxMax( h, sz.y );
+
+ node = node->GetNext();
+ }
+ }
+
+ 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->GetMinSizeWithBorder() );
+ 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 cols, int vgap, int hgap )
+ : wxGridSizer( cols, vgap, hgap ),
+ m_flexDirection(wxBOTH),
+ m_growMode(wxFLEX_GROWMODE_SPECIFIED)
+{
+}
+
+wxFlexGridSizer::wxFlexGridSizer( int cols, const wxSize& gap )
+ : wxGridSizer( cols, gap ),
+ m_flexDirection(wxBOTH),
+ m_growMode(wxFLEX_GROWMODE_SPECIFIED)
+{
+}
+
+wxFlexGridSizer::wxFlexGridSizer( int rows, int cols, int vgap, int hgap )
+ : wxGridSizer( rows, cols, vgap, hgap ),
+ m_flexDirection(wxBOTH),
+ m_growMode(wxFLEX_GROWMODE_SPECIFIED)
+{
+}
+
+wxFlexGridSizer::wxFlexGridSizer( int rows, int cols, const wxSize& gap )
+ : wxGridSizer( rows, cols, gap ),
+ m_flexDirection(wxBOTH),
+ m_growMode(wxFLEX_GROWMODE_SPECIFIED)
+{
+}
+
+wxFlexGridSizer::~wxFlexGridSizer()
+{
+}
+
+void wxFlexGridSizer::RecalcSizes()
+{
+ int nrows, ncols;
+ if ( !CalcRowsCols(nrows, ncols) )
+ return;
+
+ const wxPoint pt(GetPosition());
+ const wxSize sz(GetSize());
+
+ AdjustForGrowables(sz);
+
+ wxSizerItemList::const_iterator i = m_children.begin();
+ const wxSizerItemList::const_iterator end = m_children.end();
+
+ int y = 0;
+ for ( int r = 0; r < nrows; r++ )
+ {
+ if ( m_rowHeights[r] == -1 )
+ {
+ // this row is entirely hidden, skip it
+ for ( int c = 0; c < ncols; c++ )
+ {
+ if ( i == end )
+ return;
+
+ ++i;
+ }
+
+ continue;
+ }
+
+ const int hrow = m_rowHeights[r];
+ int h = sz.y - y; // max remaining height, don't overflow it
+ if ( hrow < h )
+ h = hrow;
+
+ int x = 0;
+ for ( int c = 0; c < ncols && i != end; c++, ++i )
+ {
+ const int wcol = m_colWidths[c];
+
+ if ( wcol == -1 )
+ continue;
+
+ int w = sz.x - x; // max possible value, ensure we don't overflow
+ if ( wcol < w )
+ w = wcol;
+
+ SetItemBounds(*i, pt.x + x, pt.y + y, w, h);
+
+ x += wcol + m_hgap;
+ }
+
+ if ( i == end )
+ return;
+
+ y += hrow + m_vgap;
+ }
+}
+
+// helper function used in CalcMin() to sum up the sizes of non-hidden items
+static int SumArraySizes(const wxArrayInt& sizes, int gap)
+{
+ // Sum total minimum size, including gaps between rows/columns.
+ // -1 is used as a magic number meaning empty row/column.
+ int total = 0;
+
+ const size_t count = sizes.size();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ if ( sizes[n] != -1 )
+ {
+ if ( total )
+ total += gap; // separate from the previous column
+
+ total += sizes[n];
+ }
+ }
+
+ return total;
+}
+
+void wxFlexGridSizer::FindWidthsAndHeights(int nrows, int ncols)
+{
+ // We have to recalculate the sizes in case the item minimum size has
+ // changed since the previous layout, or the item has been hidden using
+ // wxSizer::Show(). If all the items in a row/column are hidden, the final
+ // dimension of the row/column will be -1, indicating that the column
+ // itself is hidden.
+ m_rowHeights.assign(nrows, -1);
+ m_colWidths.assign(ncols, -1);
+
+ // n is the index of the item in left-to-right top-to-bottom order
+ size_t n = 0;
+ for ( wxSizerItemList::iterator i = m_children.begin();
+ i != m_children.end();
+ ++i, ++n )
+ {
+ wxSizerItem * const item = *i;
+ if ( item->IsShown() )
+ {
+ // NOTE: Not doing the calculation here, this is just
+ // for finding max values.
+ const wxSize sz(item->GetMinSizeWithBorder());
+
+ const int row = n / ncols;
+ const int col = n % ncols;
+
+ if ( sz.y > m_rowHeights[row] )
+ m_rowHeights[row] = sz.y;
+ if ( sz.x > m_colWidths[col] )
+ m_colWidths[col] = sz.x;
+ }
+ }
+
+ AdjustForFlexDirection();
+
+ m_calculatedMinSize = wxSize(SumArraySizes(m_colWidths, m_hgap),
+ SumArraySizes(m_rowHeights, m_vgap));
+}
+
+wxSize wxFlexGridSizer::CalcMin()
+{
+ int nrows,
+ ncols;
+
+ // Number of rows/columns can change as items are added or removed.
+ if ( !CalcRowsCols(nrows, ncols) )
+ return wxSize();
+
+
+ // We have to recalculate the sizes in case the item minimum size has
+ // changed since the previous layout, or the item has been hidden using
+ // wxSizer::Show(). If all the items in a row/column are hidden, the final
+ // dimension of the row/column will be -1, indicating that the column
+ // itself is hidden.
+ m_rowHeights.assign(nrows, -1);
+ m_colWidths.assign(ncols, -1);
+
+ for ( wxSizerItemList::iterator i = m_children.begin();
+ i != m_children.end();
+ ++i)
+ {
+ wxSizerItem * const item = *i;
+ if ( item->IsShown() )
+ {
+ item->CalcMin();
+ }
+ }
+
+ // The stage of looking for max values in each row/column has been
+ // made a separate function, since it's reused in AdjustForGrowables.
+ FindWidthsAndHeights(nrows,ncols);
+
+ return m_calculatedMinSize;
+}
+
+void wxFlexGridSizer::AdjustForFlexDirection()
+{
+ // the logic in CalcMin works when we resize flexibly in both directions
+ // but maybe this is not the case
+ if ( m_flexDirection != wxBOTH )
+ {
+ // select the array corresponding to the direction in which we do *not*
+ // resize flexibly
+ wxArrayInt& array = m_flexDirection == wxVERTICAL ? m_colWidths
+ : m_rowHeights;
+
+ const size_t count = array.GetCount();
+
+ // find the largest value in this array
+ size_t n;
+ int largest = 0;
+
+ for ( n = 0; n < count; ++n )
+ {
+ if ( array[n] > largest )
+ largest = array[n];
+ }
+
+ // and now fill it with the largest value
+ for ( n = 0; n < count; ++n )
+ {
+ // don't touch hidden rows
+ if ( array[n] != -1 )
+ array[n] = largest;
+ }
+ }
+}
+
+// helper of AdjustForGrowables() which is called for rows/columns separately
+//
+// parameters:
+// delta: the extra space, we do nothing unless it's positive
+// growable: indices or growable rows/cols in sizes array
+// sizes: the height/widths of rows/cols to adjust
+// proportions: proportions of the growable rows/cols or NULL if they all
+// should be assumed to have proportion of 1
+static void
+DoAdjustForGrowables(int delta,
+ const wxArrayInt& growable,
+ wxArrayInt& sizes,
+ const wxArrayInt *proportions)
+{
+ if ( delta <= 0 )
+ return;
+
+ // total sum of proportions of all non-hidden rows
+ int sum_proportions = 0;
+
+ // number of currently shown growable rows
+ int num = 0;
+
+ const int max_idx = sizes.size();
+
+ const size_t count = growable.size();
+ size_t idx;
+ for ( idx = 0; idx < count; idx++ )
+ {
+ // Since the number of rows/columns can change as items are
+ // inserted/deleted, we need to verify at runtime that the
+ // requested growable rows/columns are still valid.
+ if ( growable[idx] >= max_idx )
+ continue;
+
+ // If all items in a row/column are hidden, that row/column will
+ // have a dimension of -1. This causes the row/column to be
+ // hidden completely.
+ if ( sizes[growable[idx]] == -1 )
+ continue;
+
+ if ( proportions )
+ sum_proportions += (*proportions)[idx];
+
+ num++;
+ }
+
+ if ( !num )
+ return;
+
+ // the remaining extra free space, adjusted during each iteration
+ for ( idx = 0; idx < count; idx++ )
+ {
+ if ( growable[idx] >= max_idx )
+ continue;
+
+ if ( sizes[ growable[idx] ] == -1 )
+ continue;
+
+ int cur_delta;
+ if ( sum_proportions == 0 )
+ {
+ // no growable rows -- divide extra space evenly among all
+ cur_delta = delta/num;
+ num--;
+ }
+ else // allocate extra space proportionally
+ {
+ const int cur_prop = (*proportions)[idx];
+ cur_delta = (delta*cur_prop)/sum_proportions;
+ sum_proportions -= cur_prop;
+ }
+
+ sizes[growable[idx]] += cur_delta;
+ delta -= cur_delta;
+ }
+}
+
+void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz)
+{
+#if wxDEBUG_LEVEL
+ // by the time this function is called, the sizer should be already fully
+ // initialized and hence the number of its columns and rows is known and we
+ // can check that all indices in m_growableCols/Rows are valid (see also
+ // comments in AddGrowableCol/Row())
+ if ( !m_rows || !m_cols )
+ {
+ if ( !m_rows )
+ {
+ int nrows = CalcRows();
+
+ for ( size_t n = 0; n < m_growableRows.size(); n++ )
+ {
+ wxASSERT_MSG( m_growableRows[n] < nrows,
+ "invalid growable row index" );
+ }
+ }
+
+ if ( !m_cols )
+ {
+ int ncols = CalcCols();
+
+ for ( size_t n = 0; n < m_growableCols.size(); n++ )
+ {
+ wxASSERT_MSG( m_growableCols[n] < ncols,
+ "invalid growable column index" );
+ }
+ }
+ }
+#endif // wxDEBUG_LEVEL
+
+
+ if ( (m_flexDirection & wxHORIZONTAL) || (m_growMode != wxFLEX_GROWMODE_NONE) )
+ {
+ DoAdjustForGrowables
+ (
+ sz.x - m_calculatedMinSize.x,
+ m_growableCols,
+ m_colWidths,
+ m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions
+ : NULL
+ );
+
+ // This gives nested objects that benefit from knowing one size
+ // component in advance the chance to use that.
+ bool didAdjustMinSize = false;
+
+ // Iterate over all items and inform about column width
+ const int ncols = GetEffectiveColsCount();
+ int col = 0;
+ for ( wxSizerItemList::iterator i = m_children.begin();
+ i != m_children.end();
+ ++i )
+ {
+ didAdjustMinSize |= (*i)->InformFirstDirection(wxHORIZONTAL, m_colWidths[col], sz.y - m_calculatedMinSize.y);
+ if ( ++col == ncols )
+ col = 0;
+ }
+
+ // Only redo if info was actually used
+ if( didAdjustMinSize )
+ {
+ DoAdjustForGrowables
+ (
+ sz.x - m_calculatedMinSize.x,
+ m_growableCols,
+ m_colWidths,
+ m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions
+ : NULL
+ );
+ }
+ }
+
+ if ( (m_flexDirection & wxVERTICAL) || (m_growMode != wxFLEX_GROWMODE_NONE) )
+ {
+ // pass NULL instead of proportions if the grow mode is ALL as we
+ // should treat all rows as having proportion of 1 then
+ DoAdjustForGrowables
+ (
+ sz.y - m_calculatedMinSize.y,
+ m_growableRows,
+ m_rowHeights,
+ m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableRowsProportions
+ : NULL
+ );
+ }
+}
+
+bool wxFlexGridSizer::IsRowGrowable( size_t idx )
+{
+ return m_growableRows.Index( idx ) != wxNOT_FOUND;
+}
+
+bool wxFlexGridSizer::IsColGrowable( size_t idx )
+{
+ return m_growableCols.Index( idx ) != wxNOT_FOUND;
+}
+
+void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion )
+{
+ wxASSERT_MSG( !IsRowGrowable( idx ),
+ "AddGrowableRow() called for growable row" );
+
+ // notice that we intentionally don't check the index validity here in (the
+ // common) case when the number of rows was not specified in the ctor -- in
+ // this case it will be computed only later, when all items are added to
+ // the sizer, and the check will be done in AdjustForGrowables()
+ wxCHECK_RET( !m_rows || idx < (size_t)m_rows, "invalid row index" );
+
+ m_growableRows.Add( idx );
+ m_growableRowsProportions.Add( proportion );
+}
+
+void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion )
+{
+ wxASSERT_MSG( !IsColGrowable( idx ),
+ "AddGrowableCol() called for growable column" );
+
+ // see comment in AddGrowableRow(): although it's less common to omit the
+ // specification of the number of columns, it still can also happen
+ wxCHECK_RET( !m_cols || idx < (size_t)m_cols, "invalid column index" );
+
+ m_growableCols.Add( idx );
+ m_growableColsProportions.Add( proportion );
+}
+
+// helper function for RemoveGrowableCol/Row()
+static void
+DoRemoveFromArrays(size_t idx, wxArrayInt& items, wxArrayInt& proportions)
+{
+ const size_t count = items.size();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ if ( (size_t)items[n] == idx )
+ {
+ items.RemoveAt(n);
+ proportions.RemoveAt(n);
+ return;
+ }
+ }
+
+ wxFAIL_MSG( wxT("column/row is already not growable") );
+}
+
+void wxFlexGridSizer::RemoveGrowableCol( size_t idx )
+{
+ DoRemoveFromArrays(idx, m_growableCols, m_growableColsProportions);
+}
+
+void wxFlexGridSizer::RemoveGrowableRow( size_t idx )
+{
+ DoRemoveFromArrays(idx, m_growableRows, m_growableRowsProportions);
+}
+
+//---------------------------------------------------------------------------
+// wxBoxSizer
+//---------------------------------------------------------------------------
+
+wxSizerItem *wxBoxSizer::AddSpacer(int size)
+{
+ return IsVertical() ? Add(0, size) : Add(size, 0);
+}
+
+namespace
+{
+
+/*
+ Helper of RecalcSizes(): checks if there is enough remaining space for the
+ min size of the given item and returns its min size or the entire remaining
+ space depending on which one is greater.
+
+ This function updates the remaining space parameter to account for the size
+ effectively allocated to the item.
+ */
+int
+GetMinOrRemainingSize(int orient, const wxSizerItem *item, int *remainingSpace_)
+{
+ int& remainingSpace = *remainingSpace_;
+
+ wxCoord size;
+ if ( remainingSpace > 0 )
+ {
+ const wxSize sizeMin = item->GetMinSizeWithBorder();
+ size = orient == wxHORIZONTAL ? sizeMin.x : sizeMin.y;
+
+ if ( size >= remainingSpace )
+ {
+ // truncate the item to fit in the remaining space, this is better
+ // than showing it only partially in general, even if both choices
+ // are bad -- but there is nothing else we can do
+ size = remainingSpace;
+ }
+
+ remainingSpace -= size;
+ }
+ else // no remaining space
+ {
+ // no space at all left, no need to even query the item for its min
+ // size as we can't give it to it anyhow
+ size = 0;
+ }
+
+ return size;
+}
+
+} // anonymous namespace
+
+void wxBoxSizer::RecalcSizes()
+{
+ if ( m_children.empty() )
+ return;
+
+ const wxCoord totalMinorSize = GetSizeInMinorDir(m_size);
+ const wxCoord totalMajorSize = GetSizeInMajorDir(m_size);
+
+ // the amount of free space which we should redistribute among the
+ // stretchable items (i.e. those with non zero proportion)
+ int delta = totalMajorSize - GetSizeInMajorDir(m_minSize);
+
+ // declare loop variables used below:
+ wxSizerItemList::const_iterator i; // iterator in m_children list
+ unsigned n = 0; // item index in majorSizes array
+
+
+ // First, inform item about the available size in minor direction as this
+ // can change their size in the major direction. Also compute the number of
+ // visible items and sum of their min sizes in major direction.
+
+ int minMajorSize = 0;
+ for ( i = m_children.begin(); i != m_children.end(); ++i )
+ {
+ wxSizerItem * const item = *i;
+
+ if ( !item->IsShown() )
+ continue;
+
+ wxSize szMinPrev = item->GetMinSizeWithBorder();
+ item->InformFirstDirection(m_orient^wxBOTH,totalMinorSize,delta);
+ wxSize szMin = item->GetMinSizeWithBorder();
+ int deltaChange = GetSizeInMajorDir(szMin-szMinPrev);
+ if( deltaChange )
+ {
+ // Since we passed available space along to the item, it should not
+ // take too much, so delta should not become negative.
+ delta -= deltaChange;
+ }
+ minMajorSize += GetSizeInMajorDir(item->GetMinSizeWithBorder());
+ }
+
+ // update our min size and delta which may have changed
+ SizeInMajorDir(m_minSize) = minMajorSize;
+ delta = totalMajorSize - minMajorSize;
+
+
+ // space and sum of proportions for the remaining items, both may change
+ // below
+ wxCoord remaining = totalMajorSize;
+ int totalProportion = m_totalProportion;
+
+ // size of the (visible) items in major direction, -1 means "not fixed yet"
+ wxVector<int> majorSizes(GetItemCount(), wxDefaultCoord);
+
+
+ // Check for the degenerated case when we don't have enough space for even
+ // the min sizes of all the items: in this case we really can't do much
+ // more than to allocate the min size to as many of fixed size items as
+ // possible (on the assumption that variable size items such as text zones
+ // or list boxes may use scrollbars to show their content even if their
+ // size is less than min size but that fixed size items such as buttons
+ // will suffer even more if we don't give them their min size)
+ if ( totalMajorSize < minMajorSize )
+ {
+ // Second degenerated case pass: allocate min size to all fixed size
+ // items.
+ for ( i = m_children.begin(), n = 0; i != m_children.end(); ++i, ++n )
+ {
+ wxSizerItem * const item = *i;
+
+ if ( !item->IsShown() )
+ continue;
+
+ // deal with fixed size items only during this pass
+ if ( item->GetProportion() )
+ continue;
+
+ majorSizes[n] = GetMinOrRemainingSize(m_orient, item, &remaining);
+ }
+
+
+ // Third degenerated case pass: allocate min size to all the remaining,
+ // i.e. non-fixed size, items.
+ for ( i = m_children.begin(), n = 0; i != m_children.end(); ++i, ++n )
+ {
+ wxSizerItem * const item = *i;
+
+ if ( !item->IsShown() )
+ continue;
+
+ // we've already dealt with fixed size items above
+ if ( !item->GetProportion() )
+ continue;
+
+ majorSizes[n] = GetMinOrRemainingSize(m_orient, item, &remaining);
+ }
+ }
+ else // we do have enough space to give at least min sizes to all items
+ {
+ // Second and maybe more passes in the non-degenerated case: deal with
+ // fixed size items and items whose min size is greater than what we
+ // would allocate to them taking their proportion into account. For
+ // both of them, we will just use their min size, but for the latter we
+ // also need to reexamine all the items as the items which fitted
+ // before we adjusted their size upwards might not fit any more. This
+ // does make for a quadratic algorithm but it's not obvious how to
+ // avoid it and hopefully it's not a huge problem in practice as the
+ // sizers don't have many items usually (and, of course, the algorithm
+ // still reduces into a linear one if there is enough space for all the
+ // min sizes).
+ bool nonFixedSpaceChanged = false;
+ for ( i = m_children.begin(), n = 0; ; ++i, ++n )
+ {
+ if ( nonFixedSpaceChanged )
+ {
+ i = m_children.begin();
+ n = 0;
+ nonFixedSpaceChanged = false;
+ }
+
+ // check for the end of the loop only after the check above as
+ // otherwise we wouldn't do another pass if the last child resulted
+ // in non fixed space reduction
+ if ( i == m_children.end() )
+ break;
+
+ wxSizerItem * const item = *i;
+
+ if ( !item->IsShown() )
+ continue;
+
+ // don't check the item which we had already dealt with during a
+ // previous pass (this is more than an optimization, the code
+ // wouldn't work correctly if we kept adjusting for the same item
+ // over and over again)
+ if ( majorSizes[n] != wxDefaultCoord )
+ continue;
+
+ wxCoord minMajor = GetSizeInMajorDir(item->GetMinSizeWithBorder());
+
+ // it doesn't make sense for min size to be negative but right now
+ // it's possible to create e.g. a spacer with (-1, 10) as size and
+ // people do it in their code apparently (see #11842) so ensure
+ // that we don't use this -1 as real min size as it conflicts with
+ // the meaning we use for it here and negative min sizes just don't
+ // make sense anyhow (which is why it might be a better idea to
+ // deal with them at wxSizerItem level in the future but for now
+ // this is the minimal fix for the bug)
+ if ( minMajor < 0 )
+ minMajor = 0;
+
+ const int propItem = item->GetProportion();
+ if ( propItem )
+ {
+ // is the desired size of this item big enough?
+ if ( (remaining*propItem)/totalProportion >= minMajor )
+ {
+ // yes, it is, we'll determine the real size of this
+ // item later, for now just leave it as wxDefaultCoord
+ continue;
+ }
+
+ // the proportion of this item won't count, it has
+ // effectively become fixed
+ totalProportion -= propItem;
+ }
+
+ // we can already allocate space for this item
+ majorSizes[n] = minMajor;
+
+ // change the amount of the space remaining to the other items,
+ // as this can result in not being able to satisfy their
+ // proportions any more we will need to redo another loop
+ // iteration
+ remaining -= minMajor;
+
+ nonFixedSpaceChanged = true;
+ }
+
+
+ // Last by one pass: distribute the remaining space among the non-fixed
+ // items whose size weren't fixed yet according to their proportions.
+ for ( i = m_children.begin(), n = 0; i != m_children.end(); ++i, ++n )
+ {
+ wxSizerItem * const item = *i;
+
+ if ( !item->IsShown() )
+ continue;
+
+ if ( majorSizes[n] == wxDefaultCoord )
+ {
+ const int propItem = item->GetProportion();
+ majorSizes[n] = (remaining*propItem)/totalProportion;
+
+ remaining -= majorSizes[n];
+ totalProportion -= propItem;
+ }
+ }
+ }
+
+
+ // the position at which we put the next child
+ wxPoint pt(m_position);
+
+
+ // Final pass: finally do position the items correctly using their sizes as
+ // determined above.
+ for ( i = m_children.begin(), n = 0; i != m_children.end(); ++i, ++n )
+ {
+ wxSizerItem * const item = *i;
+
+ if ( !item->IsShown() )
+ continue;
+
+ const int majorSize = majorSizes[n];
+
+ const wxSize sizeThis(item->GetMinSizeWithBorder());
+
+ // apply the alignment in the minor direction
+ wxPoint posChild(pt);
+
+ wxCoord minorSize = GetSizeInMinorDir(sizeThis);
+ const int flag = item->GetFlag();
+ if ( (flag & (wxEXPAND | wxSHAPED)) || (minorSize > totalMinorSize) )
+ {
+ // occupy all the available space if wxEXPAND was given and also if
+ // the item is too big to fit -- in this case we truncate it below
+ // its minimal size which is bad but better than not showing parts
+ // of the window at all
+ minorSize = totalMinorSize;
+ }
+ else if ( flag & (IsVertical() ? wxALIGN_RIGHT : wxALIGN_BOTTOM) )
+ {
+ PosInMinorDir(posChild) += totalMinorSize - minorSize;
+ }
+ // NB: wxCENTRE is used here only for backwards compatibility,
+ // wxALIGN_CENTRE should be used in new code
+ else if ( flag & (wxCENTER | (IsVertical() ? wxALIGN_CENTRE_HORIZONTAL
+ : wxALIGN_CENTRE_VERTICAL)) )
+ {
+ PosInMinorDir(posChild) += (totalMinorSize - minorSize) / 2;
+ }
+
+
+ // apply RTL adjustment for horizontal sizers:
+ if ( !IsVertical() && m_containingWindow )
+ {
+ posChild.x = m_containingWindow->AdjustForLayoutDirection
+ (
+ posChild.x,
+ majorSize,
+ m_size.x
+ );
+ }
+
+ // finally set size of this child and advance to the next one
+ item->SetDimension(posChild, SizeFromMajorMinor(majorSize, minorSize));
+
+ PosInMajorDir(pt) += majorSize;
+ }
+}
+
+wxSize wxBoxSizer::CalcMin()
+{
+ m_totalProportion = 0;
+ m_minSize = wxSize(0, 0);
+
+ // The minimal size for the sizer should be big enough to allocate its
+ // element at least its minimal size but also, and this is the non trivial
+ // part, to respect the children proportion. To satisfy the latter
+ // condition we must find the greatest min-size-to-proportion ratio for all
+ // elements with non-zero proportion.
+ float maxMinSizeToProp = 0.;
+ for ( wxSizerItemList::const_iterator i = m_children.begin();
+ i != m_children.end();
+ ++i )
+ {
+ wxSizerItem * const item = *i;
+
+ if ( !item->IsShown() )
+ continue;
+
+ const wxSize sizeMinThis = item->CalcMin();
+ if ( const int propThis = item->GetProportion() )
+ {
+ float minSizeToProp = GetSizeInMajorDir(sizeMinThis);
+ minSizeToProp /= propThis;
+
+ if ( minSizeToProp > maxMinSizeToProp )
+ maxMinSizeToProp = minSizeToProp;
+
+ m_totalProportion += item->GetProportion();
+ }
+ else // fixed size item
+ {
+ // Just account for its size directly
+ SizeInMajorDir(m_minSize) += GetSizeInMajorDir(sizeMinThis);
+ }
+
+ // In the transversal direction we just need to find the maximum.
+ if ( GetSizeInMinorDir(sizeMinThis) > GetSizeInMinorDir(m_minSize) )
+ SizeInMinorDir(m_minSize) = GetSizeInMinorDir(sizeMinThis);
+ }
+
+ // Using the max ratio ensures that the min size is big enough for all
+ // items to have their min size and satisfy the proportions among them.
+ SizeInMajorDir(m_minSize) += (int)(maxMinSizeToProp*m_totalProportion);
+
+ return m_minSize;
+}
+
+//---------------------------------------------------------------------------
+// wxStaticBoxSizer
+//---------------------------------------------------------------------------
+
+#if wxUSE_STATBOX
+
+wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient )
+ : wxBoxSizer( orient ),
+ m_staticBox( box )
+{
+ wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") );
+
+ // do this so that our Detach() is called if the static box is destroyed
+ // before we are
+ m_staticBox->SetContainingSizer(this);
+}
+
+wxStaticBoxSizer::wxStaticBoxSizer(int orient, wxWindow *win, const wxString& s)
+ : wxBoxSizer(orient),
+ m_staticBox(new wxStaticBox(win, wxID_ANY, s))
+{
+ // same as above
+ m_staticBox->SetContainingSizer(this);
+}
+
+wxStaticBoxSizer::~wxStaticBoxSizer()
+{
+ delete m_staticBox;
+}
+
+void wxStaticBoxSizer::RecalcSizes()
+{
+ int top_border, other_border;
+ m_staticBox->GetBordersForSizer(&top_border, &other_border);
+
+ m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y );
+
+ wxSize old_size( m_size );
+ m_size.x -= 2*other_border;
+ m_size.y -= top_border + other_border;
+
+ wxPoint old_pos( m_position );
+ if (m_staticBox->GetChildren().GetCount() > 0)
+ {
+#if defined( __WXGTK20__ )
+ // if the wxStaticBox has created a wxPizza to contain its children
+ // (see wxStaticBox::AddChild) then we need to place the items it contains
+ // in the wxBoxSizer::RecalcSizes() call below using coordinates relative
+ // to the top-left corner of the staticbox:
+ m_position.x = m_position.y = 0;
+#elif defined(__WXOSX__) && wxOSX_USE_COCOA
+ // the distance from the 'inner' content view to the embedded controls
+ m_position.x = m_position.y = 10;
+#else
+ // if the wxStaticBox has childrens, then these windows must be placed
+ // by the wxBoxSizer::RecalcSizes() call below using coordinates relative
+ // to the top-left corner of the staticbox (but unlike wxGTK, we need
+ // to keep in count the static borders here!):
+ m_position.x = other_border;
+ m_position.y = top_border;
+#endif
+ }
+ else
+ {
+ // the windows contained in the staticbox have been created as siblings of the
+ // staticbox (this is the "old" way of staticbox contents creation); in this
+ // case we need to position them with coordinates relative to our common parent
+ m_position.x += other_border;
+ m_position.y += top_border;
+ }
+
+ wxBoxSizer::RecalcSizes();
+
+ m_position = old_pos;
+ m_size = old_size;
+}
+
+wxSize wxStaticBoxSizer::CalcMin()
+{
+ int top_border, other_border;
+ m_staticBox->GetBordersForSizer(&top_border, &other_border);
+
+ wxSize ret( wxBoxSizer::CalcMin() );
+ ret.x += 2*other_border;
+
+ // ensure that we're wide enough to show the static box label (there is no
+ // need to check for the static box best size in vertical direction though)
+ const int boxWidth = m_staticBox->GetBestSize().x;
+ if ( ret.x < boxWidth )
+ ret.x = boxWidth;
+
+ ret.y += other_border + top_border;
+
+ return ret;
+}
+
+void wxStaticBoxSizer::ShowItems( bool show )
+{
+ m_staticBox->Show( show );
+ wxBoxSizer::ShowItems( show );
+}
+
+bool wxStaticBoxSizer::Detach( wxWindow *window )
+{
+ // avoid deleting m_staticBox in our dtor if it's being detached from the
+ // sizer (which can happen because it's being already destroyed for
+ // example)
+ if ( window == m_staticBox )
+ {
+ m_staticBox = NULL;
+ return true;
+ }
+
+ return wxSizer::Detach( window );
+}
+
+#endif // wxUSE_STATBOX
+
+//---------------------------------------------------------------------------
+// wxStdDialogButtonSizer
+//---------------------------------------------------------------------------
+
+#if wxUSE_BUTTON
+
+wxStdDialogButtonSizer::wxStdDialogButtonSizer()
+ : wxBoxSizer(wxHORIZONTAL)
+{
+ // Vertical buttons with lots of space on either side
+ // looks rubbish on WinCE, so let's not do this for now.
+ // If we are going to use vertical buttons, we should
+ // put the sizer to the right of other controls in the dialog,
+ // and that's beyond the scope of this sizer.
+#ifndef __WXWINCE__
+ bool is_pda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
+ // If we have a PDA screen, put yes/no button over
+ // all other buttons, otherwise on the left side.
+ if (is_pda)
+ m_orient = wxVERTICAL;
+#endif
+
+ m_buttonAffirmative = NULL;
+ m_buttonApply = NULL;
+ m_buttonNegative = NULL;
+ m_buttonCancel = NULL;
+ m_buttonHelp = NULL;
+}
+
+void wxStdDialogButtonSizer::AddButton(wxButton *mybutton)
+{
+ switch (mybutton->GetId())
+ {
+ case wxID_OK:
+ case wxID_YES:
+ case wxID_SAVE:
+ m_buttonAffirmative = mybutton;
+ break;
+ case wxID_APPLY:
+ m_buttonApply = mybutton;
+ break;
+ case wxID_NO:
+ m_buttonNegative = mybutton;
+ break;
+ case wxID_CANCEL:
+ case wxID_CLOSE:
+ m_buttonCancel = mybutton;
+ break;
+ case wxID_HELP:
+ case wxID_CONTEXT_HELP:
+ m_buttonHelp = mybutton;
+ break;
+ default:
+ break;
+ }
+}
+
+void wxStdDialogButtonSizer::SetAffirmativeButton( wxButton *button )
+{
+ m_buttonAffirmative = button;
+}
+
+void wxStdDialogButtonSizer::SetNegativeButton( wxButton *button )
+{
+ m_buttonNegative = button;
+}
+
+void wxStdDialogButtonSizer::SetCancelButton( wxButton *button )
+{
+ m_buttonCancel = button;
+}
+
+void wxStdDialogButtonSizer::Realize()
+{
+#ifdef __WXMAC__
+ Add(0, 0, 0, wxLEFT, 6);
+ if (m_buttonHelp)
+ Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6);
+
+ if (m_buttonNegative){
+ // HIG POLICE BULLETIN - destructive buttons need extra padding
+ // 24 pixels on either side
+ Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 12);
+ }
+
+ // extra whitespace between help/negative and cancel/ok buttons
+ Add(0, 0, 1, wxEXPAND, 0);
+
+ if (m_buttonCancel){
+ Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6);
+ // Cancel or help should be default
+ // m_buttonCancel->SetDefaultButton();
+ }
+
+ // Ugh, Mac doesn't really have apply dialogs, so I'll just
+ // figure the best place is between Cancel and OK
+ if (m_buttonApply)
+ Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6);
+
+ if (m_buttonAffirmative){
+ Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6);
+
+ if (m_buttonAffirmative->GetId() == wxID_SAVE){
+ // these buttons have set labels under Mac so we should use them
+ m_buttonAffirmative->SetLabel(_("Save"));
+ if (m_buttonNegative)
+ m_buttonNegative->SetLabel(_("Don't Save"));
+ }
+ }
+
+ // Extra space around and at the right
+ Add(12, 40);
+#elif defined(__WXGTK20__)
+ // http://library.gnome.org/devel/hig-book/stable/windows-alert.html.en
+ // says that the correct button order is
+ //
+ // [Help] [Alternative] [Cancel] [Affirmative]
+
+ // Flags ensuring that margins between the buttons are 6 pixels.
+ const wxSizerFlags
+ flagsBtn = wxSizerFlags().Centre().Border(wxLEFT | wxRIGHT, 3);
+
+ // Margin around the entire sizer button should be 12.
+ AddSpacer(9);
+
+ if (m_buttonHelp)
+ Add(m_buttonHelp, flagsBtn);
+
+ // Align the rest of the buttons to the right.
+ AddStretchSpacer();
+
+ if (m_buttonNegative)
+ Add(m_buttonNegative, flagsBtn);
+
+ if (m_buttonApply)
+ Add(m_buttonApply, flagsBtn);
+
+ if (m_buttonCancel)
+ Add(m_buttonCancel, flagsBtn);
+
+ if (m_buttonAffirmative)
+ Add(m_buttonAffirmative, flagsBtn);
+
+ // Ensure that the right margin is 12 as well.
+ AddSpacer(9);
+#elif defined(__WXMSW__)
+ // Windows
+
+ // right-justify buttons
+ Add(0, 0, 1, wxEXPAND, 0);
+
+ if (m_buttonAffirmative){
+ Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonAffirmative->ConvertDialogToPixels(wxSize(2, 0)).x);
+ }
+
+ if (m_buttonNegative){
+ Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonNegative->ConvertDialogToPixels(wxSize(2, 0)).x);
+ }
+
+ if (m_buttonCancel){
+ Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonCancel->ConvertDialogToPixels(wxSize(2, 0)).x);
+ }
+ if (m_buttonApply)
+ Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonApply->ConvertDialogToPixels(wxSize(2, 0)).x);
+
+ if (m_buttonHelp)
+ Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonHelp->ConvertDialogToPixels(wxSize(2, 0)).x);
+#else
+ // GTK+1 and any other platform
+
+ // Add(0, 0, 0, wxLEFT, 5); // Not sure what this was for but it unbalances the dialog
+ if (m_buttonHelp)
+ Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonHelp->ConvertDialogToPixels(wxSize(4, 0)).x);
+
+ // extra whitespace between help and cancel/ok buttons
+ Add(0, 0, 1, wxEXPAND, 0);
+
+ if (m_buttonApply)
+ Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonApply->ConvertDialogToPixels(wxSize(4, 0)).x);
+
+ if (m_buttonAffirmative){
+ Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonAffirmative->ConvertDialogToPixels(wxSize(4, 0)).x);
+ }
+
+ if (m_buttonNegative){
+ Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonNegative->ConvertDialogToPixels(wxSize(4, 0)).x);
+ }
+
+ if (m_buttonCancel){
+ Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonCancel->ConvertDialogToPixels(wxSize(4, 0)).x);
+ // Cancel or help should be default
+ // m_buttonCancel->SetDefaultButton();
+ }
+
+#endif
+}
+
+#endif // wxUSE_BUTTON
projects / wxWidgets.git / blobdiff