#include "wx/display.h"
#include "wx/sizer.h"
+#include "wx/private/flagscheck.h"
#ifndef WX_PRECOMP
#include "wx/string.h"
// wxSizerItem
// ----------------------------------------------------------------------------
+// check for flags conflicts
+static const int SIZER_FLAGS_MASK =
+ wxADD_FLAG(wxCENTRE,
+ wxADD_FLAG(wxHORIZONTAL,
+ wxADD_FLAG(wxVERTICAL,
+ wxADD_FLAG(wxLEFT,
+ wxADD_FLAG(wxRIGHT,
+ wxADD_FLAG(wxUP,
+ wxADD_FLAG(wxDOWN,
+ wxADD_FLAG(wxALIGN_NOT,
+ wxADD_FLAG(wxALIGN_CENTER_HORIZONTAL,
+ wxADD_FLAG(wxALIGN_RIGHT,
+ wxADD_FLAG(wxALIGN_BOTTOM,
+ wxADD_FLAG(wxALIGN_CENTER_VERTICAL,
+ wxADD_FLAG(wxFIXED_MINSIZE,
+ wxADD_FLAG(wxRESERVE_SPACE_EVEN_IF_HIDDEN,
+ wxADD_FLAG(wxSTRETCH_NOT,
+ wxADD_FLAG(wxSHRINK,
+ wxADD_FLAG(wxGROW,
+ wxADD_FLAG(wxSHAPED,
+ 0))))))))))))))))));
+
+#define ASSERT_VALID_SIZER_FLAGS(f) wxASSERT_VALID_FLAGS(f, SIZER_FLAGS_MASK)
+
+
void wxSizerItem::Init(const wxSizerFlags& flags)
{
Init();
m_proportion = flags.GetProportion();
m_flag = flags.GetFlags();
m_border = flags.GetBorderInPixels();
+
+ ASSERT_VALID_SIZER_FLAGS( m_flag );
}
wxSizerItem::wxSizerItem()
m_proportion = 0;
m_border = 0;
m_flag = 0;
+ m_id = wxID_NONE;
}
// window item
m_proportion(proportion),
m_border(border),
m_flag(flag),
+ m_id(wxID_NONE),
m_userData(userData)
{
+ ASSERT_VALID_SIZER_FLAGS( m_flag );
+
DoSetWindow(window);
}
m_proportion(proportion),
m_border(border),
m_flag(flag),
+ m_id(wxID_NONE),
m_ratio(0.0),
m_userData(userData)
{
+ ASSERT_VALID_SIZER_FLAGS( m_flag );
+
DoSetSizer(sizer);
// m_minSize is set later
m_proportion(proportion),
m_border(border),
m_flag(flag),
+ m_id(wxID_NONE),
m_userData(userData)
{
+ ASSERT_VALID_SIZER_FLAGS( m_flag );
+
DoSetSpacer(wxSize(width, height));
}
return ret;
}
+bool wxSizerItem::InformFirstDirection(int direction, int size, int availableOtherDir)
+{
+ // The size that come here will be including borders. Child items should get it
+ // without borders.
+ if( size>0 )
+ {
+ if( direction==wxHORIZONTAL )
+ {
+ if (m_flag & wxWEST)
+ size -= m_border;
+ if (m_flag & wxEAST)
+ size -= m_border;
+ }
+ else if( direction==wxVERTICAL )
+ {
+ if (m_flag & wxNORTH)
+ size -= m_border;
+ if (m_flag & wxSOUTH)
+ size -= m_border;
+ }
+ }
+
+ bool didUse = false;
+ // Pass the information along to the held object
+ if (IsSizer())
+ {
+ didUse = GetSizer()->InformFirstDirection(direction,size,availableOtherDir);
+ if (didUse)
+ m_minSize = GetSizer()->CalcMin();
+ }
+ else if (IsWindow())
+ {
+ didUse = GetWindow()->InformFirstDirection(direction,size,availableOtherDir);
+ if (didUse)
+ m_minSize = m_window->GetEffectiveMinSize();
+
+ // This information is useful for items with wxSHAPED flag, since
+ // we can request an optimal min size for such an item. Even if
+ // we overwrite the m_minSize member here, we can read it back from
+ // the owned window (happens automatically).
+ if( (m_flag & wxSHAPED) && (m_flag & wxEXPAND) && direction )
+ {
+ if( !wxIsNullDouble(m_ratio) )
+ {
+ wxCHECK_MSG( (m_proportion==0), false, _T("Shaped item, non-zero proportion in wxSizerItem::InformFirstDirection()") );
+ if( direction==wxHORIZONTAL && !wxIsNullDouble(m_ratio) )
+ {
+ // Clip size so that we don't take too much
+ if( availableOtherDir>=0 && int(size/m_ratio)-m_minSize.y>availableOtherDir )
+ size = int((availableOtherDir+m_minSize.y)*m_ratio);
+ m_minSize = wxSize(size,int(size/m_ratio));
+ }
+ else if( direction==wxVERTICAL )
+ {
+ // Clip size so that we don't take too much
+ if( availableOtherDir>=0 && int(size*m_ratio)-m_minSize.x>availableOtherDir )
+ size = int((availableOtherDir+m_minSize.x)/m_ratio);
+ m_minSize = wxSize(int(size*m_ratio),size);
+ }
+ didUse = true;
+ }
+ }
+ }
+
+ return didUse;
+}
+
wxSize wxSizerItem::CalcMin()
{
if (IsSizer())
bool wxSizerItem::IsShown() const
{
+ if ( m_flag & wxRESERVE_SPACE_EVEN_IF_HIDDEN )
+ return true;
+
switch ( m_kind )
{
case Item_None:
if ( item->GetWindow() )
item->GetWindow()->SetContainingSizer( this );
+ if ( item->GetSizer() )
+ item->GetSizer()->SetContainingWindow( m_containingWindow );
+
return item;
}
}
}
-wxSize wxSizer::Fit( wxWindow *window )
+wxSize wxSizer::ComputeFittingClientSize(wxWindow *window)
{
+ wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" );
+
// take the min size by default and limit it by max size
- wxSize size = GetMinWindowSize(window);
- wxSize sizeMax = GetMaxWindowSize(window);
+ wxSize size = GetMinClientSize(window);
+ wxSize sizeMax;
wxTopLevelWindow *tlw = wxDynamicCast(window, wxTopLevelWindow);
if ( tlw )
// hack for small screen devices where TLWs are always full screen
if ( tlw->IsAlwaysMaximized() )
{
- size = tlw->GetSize();
+ return tlw->GetClientSize();
}
- else // normal situation
- {
- // limit the window to the size of the display it is on
- int disp = wxDisplay::GetFromWindow(window);
- if ( disp == wxNOT_FOUND )
- {
- // or, if we don't know which one it is, of the main one
- disp = 0;
- }
- sizeMax = wxDisplay(disp).GetClientArea().GetSize();
+ // limit the window to the size of the display it is on
+ int disp = wxDisplay::GetFromWindow(window);
+ if ( disp == wxNOT_FOUND )
+ {
+ // or, if we don't know which one it is, of the main one
+ disp = 0;
}
+
+ sizeMax = wxDisplay(disp).GetClientArea().GetSize();
+
+ // space for decorations and toolbars etc.
+ sizeMax = tlw->WindowToClientSize(sizeMax);
+ }
+ else
+ {
+ sizeMax = GetMaxClientSize(window);
}
if ( sizeMax.x != wxDefaultCoord && size.x > sizeMax.x )
- size.x = sizeMax.x;
+ size.x = sizeMax.x;
if ( sizeMax.y != wxDefaultCoord && size.y > sizeMax.y )
- size.y = sizeMax.y;
+ size.y = sizeMax.y;
+ return size;
+}
- window->SetSize( size );
+wxSize wxSizer::ComputeFittingWindowSize(wxWindow *window)
+{
+ wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" );
- return size;
+ return window->ClientToWindowSize(ComputeFittingClientSize(window));
+}
+
+wxSize wxSizer::Fit( wxWindow *window )
+{
+ wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" );
+
+ // set client size
+ window->SetClientSize(ComputeFittingClientSize(window));
+
+ // return entire size
+ return window->GetSize();
}
void wxSizer::FitInside( wxWindow *window )
// Preserve the window's max size hints, but set the
// lower bound according to the sizer calculations.
- wxSize size = Fit( window );
+ // 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.
- window->SetSizeHints( size.x,
- size.y,
- window->GetMaxWidth(),
- window->GetMaxHeight() );
+ const wxSize clientSize = ComputeFittingClientSize(window);
+
+ window->SetMinClientSize(clientSize);
+ window->SetClientSize(clientSize);
}
+#if WXWIN_COMPATIBILITY_2_8
void wxSizer::SetVirtualSizeHints( wxWindow *window )
{
- // Preserve the window's max size hints, but set the
- // lower bound according to the sizer calculations.
-
FitInside( window );
- wxSize size( window->GetVirtualSize() );
- window->SetVirtualSizeHints( size.x,
- size.y,
- window->GetMaxWidth(),
- window->GetMaxHeight() );
-}
-
-wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) const
-{
- return window->GetMaxSize();
-}
-
-wxSize wxSizer::GetMinWindowSize( wxWindow *window )
-{
- wxSize minSize( GetMinSize() );
- wxSize size( window->GetSize() );
- wxSize client_size( window->GetClientSize() );
-
- return wxSize( minSize.x+size.x-client_size.x,
- minSize.y+size.y-client_size.y );
}
+#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
{
- wxSize maxSize( window->GetMaxSize() );
-
- if ( maxSize != wxDefaultSize )
- {
- wxSize size( window->GetSize() );
- wxSize client_size( window->GetClientSize() );
-
- return wxSize( maxSize.x + client_size.x - size.x,
- maxSize.y + client_size.y - size.y );
- }
- else
- return wxDefaultSize;
+ return window->WindowToClientSize(window->GetMaxSize());
}
wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) )
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 );
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 wxFlexGridSizer::RecalcSizes()
{
- int nitems, nrows, ncols;
- if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 )
+ int nrows, ncols;
+ if ( !CalcRowsCols(nrows, ncols) )
return;
- wxPoint pt( GetPosition() );
- wxSize sz( GetSize() );
+ const wxPoint pt(GetPosition());
+ const wxSize sz(GetSize());
- AdjustForGrowables(sz, m_calculatedMinSize, nrows, ncols);
+ AdjustForGrowables(sz);
- sz = wxSize( pt.x + sz.x, pt.y + sz.y );
+ wxSizerItemList::const_iterator i = m_children.begin();
+ const wxSizerItemList::const_iterator end = m_children.end();
- int x = pt.x;
- for (int c = 0; c < ncols; c++)
+ int y = 0;
+ for ( int r = 0; r < nrows; r++ )
{
- int y = pt.y;
- for (int r = 0; r < nrows; r++)
+ if ( m_rowHeights[r] == -1 )
{
- int i = r * ncols + c;
- if (i < nitems)
+ // this row is entirely hidden, skip it
+ for ( int c = 0; c < ncols; c++ )
{
- wxSizerItemList::compatibility_iterator node = m_children.Item( i );
+ if ( i == end )
+ return;
+
+ ++i;
+ }
- wxASSERT_MSG( node, _T("Failed to find node") );
+ continue;
+ }
- int w = wxMax( 0, wxMin( m_colWidths[c], sz.x - x ) );
- int h = wxMax( 0, wxMin( m_rowHeights[r], sz.y - y ) );
+ const int hrow = m_rowHeights[r];
+ int h = sz.y - y; // max remaining height, don't overflow it
+ if ( hrow < h )
+ h = hrow;
- SetItemBounds( node->GetData(), x, y, w, h);
- }
- if (m_rowHeights[r] != -1)
- y = y + m_rowHeights[r] + m_vgap;
+ 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;
}
- if (m_colWidths[c] != -1)
- x = x + m_colWidths[c] + m_hgap;
}
+
+ AdjustForFlexDirection();
+
+ m_calculatedMinSize = wxSize(SumArraySizes(m_colWidths, m_hgap),
+ SumArraySizes(m_rowHeights, m_vgap));
}
wxSize wxFlexGridSizer::CalcMin()
{
- int nrows,
- ncols;
- size_t i, s;
+ int nrows,
+ ncols;
// Number of rows/columns can change as items are added or removed.
if ( !CalcRowsCols(nrows, ncols) )
return wxSize();
- m_rowHeights.SetCount(nrows);
- m_colWidths.SetCount(ncols);
- // We have to recalcuate the sizes in case the item minimum size has
+ // 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.
- for( s = m_rowHeights.GetCount(), i = 0; i < s; ++i )
- m_rowHeights[ i ] = -1;
- for( s = m_colWidths.GetCount(), i = 0; i < s; ++i )
- m_colWidths[ i ] = -1;
-
- wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ m_rowHeights.assign(nrows, -1);
+ m_colWidths.assign(ncols, -1);
- i = 0;
- while (node)
+ // 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 *item = node->GetData();
+ wxSizerItem * const item = *i;
if ( item->IsShown() )
{
- wxSize sz( item->CalcMin() );
- int row = i / ncols;
- int col = i % ncols;
-
- m_rowHeights[ row ] = wxMax( wxMax( 0, sz.y ), m_rowHeights[ row ] );
- m_colWidths[ col ] = wxMax( wxMax( 0, sz.x ), m_colWidths[ col ] );
+ item->CalcMin();
}
-
- node = node->GetNext();
- i++;
}
- AdjustForFlexDirection();
+ // 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);
- // Sum total minimum size, including gaps between rows/columns.
- // -1 is used as a magic number meaning empty column.
- int width = 0;
- for (int col = 0; col < ncols; col++)
- if ( m_colWidths[ col ] != -1 )
- width += m_colWidths[ col ] + m_hgap;
- if (width > 0)
- width -= m_hgap;
-
- int height = 0;
- for (int row = 0; row < nrows; row++)
- if ( m_rowHeights[ row ] != -1 )
- height += m_rowHeights[ row ] + m_vgap;
- if (height > 0)
- height -= m_vgap;
-
- m_calculatedMinSize = wxSize( width, height );
return m_calculatedMinSize;
}
// and now fill it with the largest value
for ( n = 0; n < count; ++n )
{
- array[n] = largest;
+ // don't touch hidden rows
+ if ( array[n] != -1 )
+ array[n] = largest;
}
}
}
-
-void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz, const wxSize& minsz,
- int nrows, int ncols)
+// 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)
{
- // what to do with the rows? by default, resize them proportionally
- if ( sz.y > minsz.y && ( (m_flexDirection & wxVERTICAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) )
- {
- int sum_proportions = 0;
- int growable_space = 0;
- int num = 0;
- size_t idx;
- for (idx = 0; idx < m_growableRows.GetCount(); 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 (m_growableRows[idx] >= nrows)
- continue;
+ if ( delta <= 0 )
+ return;
- // 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 (m_rowHeights[ m_growableRows[idx] ] == -1)
- continue;
- sum_proportions += m_growableRowsProportions[idx];
- growable_space += m_rowHeights[ m_growableRows[idx] ];
- num++;
- }
+ // total sum of proportions of all non-hidden rows
+ int sum_proportions = 0;
- if (num > 0)
- {
- for (idx = 0; idx < m_growableRows.GetCount(); idx++)
- {
- if (m_growableRows[idx] >= nrows )
- continue;
- if (m_rowHeights[ m_growableRows[idx] ] == -1)
- m_rowHeights[ m_growableRows[idx] ] = 0;
- else
- {
- int delta = (sz.y - minsz.y);
- if (sum_proportions == 0)
- delta = (delta/num) + m_rowHeights[ m_growableRows[idx] ];
- else
- delta = ((delta+growable_space)*m_growableRowsProportions[idx]) / sum_proportions;
- m_rowHeights[ m_growableRows[idx] ] = delta;
- }
- }
- }
- }
- else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.y > minsz.y) )
+ // 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++ )
{
- // rounding problem?
- for ( int row = 0; row < nrows; ++row )
- m_rowHeights[ row ] = sz.y / nrows;
+ // 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++;
}
- // the same logic as above but for the columns
- if ( sz.x > minsz.x && ( (m_flexDirection & wxHORIZONTAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) )
+ if ( !num )
+ return;
+
+ // the remaining extra free space, adjusted during each iteration
+ for ( idx = 0; idx < count; idx++ )
{
- int sum_proportions = 0;
- int growable_space = 0;
- int num = 0;
- size_t idx;
- for (idx = 0; idx < m_growableCols.GetCount(); 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 (m_growableCols[idx] >= ncols)
- continue;
+ 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 column to be hidden
- // completely.
- if (m_colWidths[ m_growableCols[idx] ] == -1)
- continue;
- sum_proportions += m_growableColsProportions[idx];
- growable_space += m_colWidths[ m_growableCols[idx] ];
- num++;
- }
+ if ( sizes[ growable[idx] ] == -1 )
+ continue;
- if (num > 0)
+ int cur_delta;
+ if ( sum_proportions == 0 )
{
- for (idx = 0; idx < m_growableCols.GetCount(); idx++)
- {
- if (m_growableCols[idx] >= ncols )
- continue;
- if (m_colWidths[ m_growableCols[idx] ] == -1)
- m_colWidths[ m_growableCols[idx] ] = 0;
- else
- {
- int delta = (sz.x - minsz.x);
- if (sum_proportions == 0)
- delta = (delta/num) + m_colWidths[ m_growableCols[idx] ];
- else
- delta = ((delta+growable_space)*m_growableColsProportions[idx])/sum_proportions;
- m_colWidths[ m_growableCols[idx] ] = delta;
- }
- }
+ // 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;
}
- else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.x > minsz.x) )
+}
+
+void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz)
+{
+ 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;
+ int nrows, ncols;
+ CalcRowsCols(nrows, ncols);
+
+ // Iterate over all items and inform about column width
+ size_t n = 0;
+ for ( wxSizerItemList::iterator i = m_children.begin();
+ i != m_children.end();
+ ++i, ++n )
+ {
+ const int col = n % ncols;
+ didAdjustMinSize |= (*i)->InformFirstDirection(wxHORIZONTAL, m_colWidths[col], sz.y - m_calculatedMinSize.y);
+ }
+
+ // Only redo if info was actually used
+ if( didAdjustMinSize )
{
- for ( int col=0; col < ncols; ++col )
- m_colWidths[ col ] = sz.x / ncols;
+ 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
+ );
}
}
if ( m_children.empty() )
return;
+ const wxCoord totalMinorSize = GetSizeInMinorDir(m_size);
+
// the amount of free space which we should redistribute among the
// stretchable items (i.e. those with non zero proportion)
- const int delta = SizeInMajorDir(m_size) - SizeInMajorDir(m_minSize);
+ int delta = GetSizeInMajorDir(m_size) - GetSizeInMajorDir(m_minSize);
+
+
+ // Inform child items about the size in minor direction, that can
+ // change how much free space we have in major dir and how to distribute it.
+ int majorMinSum = 0;
+ wxSizerItemList::const_iterator i ;
+ 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;
+ }
+ majorMinSum += GetSizeInMajorDir(item->GetMinSizeWithBorder());
+ }
+ // And update our min size
+ SizeInMajorDir(m_minSize) = majorMinSum;
+
+
+ // might have a new delta now
+ delta = GetSizeInMajorDir(m_size) - GetSizeInMajorDir(m_minSize);
// the position at which we put the next child
wxPoint pt(m_position);
- const wxCoord totalMinorSize = SizeInMinorDir(m_size);
-
- for ( wxSizerItemList::const_iterator i = m_children.begin();
+ int totalProportion = m_totalProportion;
+ for ( i = m_children.begin();
i != m_children.end();
++i )
{
const wxSize sizeThis(item->GetMinSizeWithBorder());
-
// adjust the size in the major direction using the proportion
- wxCoord majorSize = SizeInMajorDir(sizeThis);
- if ( item->GetProportion() )
+ wxCoord majorSize = GetSizeInMajorDir(sizeThis);
+ const int propItem = item->GetProportion();
+ if ( propItem )
{
- // as at least one visible item has non-zero proportion the total
- // proportion must be non zero
- majorSize += (delta * item->GetProportion()) / m_totalProportion;
+ const int deltaItem = (delta * propItem) / totalProportion;
+
+ majorSize += deltaItem;
+
+ delta -= deltaItem;
+ totalProportion -= propItem;
}
// apply the alignment in the minor direction
wxPoint posChild(pt);
- wxCoord minorSize = SizeInMinorDir(sizeThis);
+ wxCoord minorSize = GetSizeInMinorDir(sizeThis);
const int flag = item->GetFlag();
if ( flag & (wxEXPAND | wxSHAPED) )
{
continue;
const wxSize sizeMinThis = item->CalcMin();
-
- SizeInMajorDir(m_minSize) += SizeInMajorDir(sizeMinThis);
- if ( SizeInMinorDir(sizeMinThis) > SizeInMinorDir(m_minSize) )
- SizeInMinorDir(m_minSize) = SizeInMinorDir(sizeMinThis);
+ SizeInMajorDir(m_minSize) += GetSizeInMajorDir(sizeMinThis);
+ if ( GetSizeInMinorDir(sizeMinThis) > GetSizeInMinorDir(m_minSize) )
+ SizeInMinorDir(m_minSize) = GetSizeInMinorDir(sizeMinThis);
m_totalProportion += item->GetProportion();
}
return m_minSize;
}
+//---------------------------------------------------------------------------
+// wxWrapSizer
+//---------------------------------------------------------------------------
+
+#define wxDEFAULT_PROPORTION_LAST 1000000
+
+// User data to hold old proportion for last item on line
+// (which might be extended)
+struct wxPropHolder : public wxObject
+{
+ wxPropHolder( ) : m_item(0), m_propOld(0) { }
+ void Init( wxSizerItem *item, int propOld ) { m_item=item; m_propOld=propOld; }
+
+ wxSizerItem *m_item;
+ int m_propOld;
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxWrapSizer, wxBoxSizer);
+
+wxWrapSizer::wxWrapSizer( int orient, int flags )
+ : wxBoxSizer(orient),
+ m_prim_size_last( -1 ),
+ m_rows(orient^wxBOTH),
+ m_flags(flags)
+{
+}
+
+wxWrapSizer::~wxWrapSizer()
+{
+ // Have to clear grand child items so that they're not deleted twice
+ for( int ix=m_rows.GetChildren().GetCount()-1; ix>=0; ix-- )
+ {
+ wxSizer *psz = m_rows.GetItem((size_t)ix)->GetSizer();
+ wxSizerItemList &sl = psz->GetChildren();
+ while( sl.GetLast() )
+ sl.Erase( sl.GetLast() );
+ }
+}
+
+
+bool wxWrapSizer::InformFirstDirection( int direction, int size, int WXUNUSED(availableOtherDir) )
+{
+ if( !direction )
+ {
+ // Better to keep value, then CalcMin will work better
+ //m_prim_size_last = -1;
+ return false;
+ }
+ if( direction==m_orient )
+ {
+ // The direction is same as our primary, so we can make use of it
+ m_prim_size_last = size;
+ return true;
+ }
+ else
+ return false;
+}
+
+
+void wxWrapSizer::AdjustPropLastItem(wxSizer *psz, wxSizerItem *itemLast)
+{
+ wxSizerItem *psi = m_rows.GetItem(psz);
+ wxASSERT(psi);
+ wxPropHolder *pph = (wxPropHolder*)psi->GetUserData();
+ if ( !pph )
+ psi->SetUserData( pph=new wxPropHolder );
+
+ pph->Init( itemLast, itemLast->GetProportion() );
+ itemLast->SetProportion( wxDEFAULT_PROPORTION_LAST );
+}
+
+void wxWrapSizer::RecalcSizes()
+{
+ wxASSERT( m_orient&wxBOTH );
+ if (m_children.GetCount() == 0)
+ return;
+
+ // What we do here is to put our items into child box sizers,
+ // as many of them as we have lines.
+
+ // Empty all items in all rows in owned sizer.
+ // We have to access the list directly, since we don't want to
+ // destroy the wxSizerItems.
+ for( int ix=m_rows.GetChildren().GetCount()-1; ix>=0; ix-- ){
+ wxSizerItem *psi = m_rows.GetItem( (size_t)ix );
+
+ // Restore proportion for last item on line (if item has not been deleted)
+ wxPropHolder *pph = (wxPropHolder*)psi->GetUserData();
+ if( pph && GetChildren().Find(pph->m_item) )
+ pph->m_item->SetProportion(pph->m_propOld);
+
+ wxSizer *psz = psi->GetSizer();
+ wxASSERT( psz );
+ wxSizerItemList &sl = psz->GetChildren();
+ while( sl.GetLast() )
+ sl.Erase( sl.GetLast() );
+ }
+
+ int lineSumMajor = 0;
+ int majorSize = GetSizeInMajorDir(m_size);
+
+ // Make sure we have at least one child sizer
+ m_n_line = 1;
+ if( !m_rows.GetChildren().GetCount() )
+ m_rows.Add( new wxBoxSizer(GetOrientation()), 1, wxEXPAND );
+
+ // The sizer where to insert items in
+ wxSizer *psz = m_rows.GetItem((size_t)0)->GetSizer();
+ wxASSERT( psz );
+
+ // Now put our child items into child sizers instead
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ wxSizerItem *item = NULL, *itemLast=NULL;
+ while (node)
+ {
+ item = node->GetData();
+ if ( item->IsShown() )
+ {
+ wxSize minSz = item->GetMinSize();
+ int minSzMajor = GetSizeInMajorDir(minSz);
+
+ // More space on this line?
+ if( !lineSumMajor || lineSumMajor+minSzMajor<=majorSize )
+ {
+ lineSumMajor += minSzMajor;
+ }
+ else
+ {
+ lineSumMajor = minSzMajor;
+ // Get a new empty sizer to insert into
+ if( (int)m_rows.GetChildren().GetCount()<=m_n_line )
+ m_rows.Add( new wxBoxSizer(GetOrientation()), 1, wxEXPAND );
+
+ // If we have extend-last-on-each-line mode, then do so now
+ // Note: We must store old proportion value then.
+ if( m_flags&wxEXTEND_LAST_ON_EACH_LINE )
+ AdjustPropLastItem(psz,itemLast);
+
+ // The sizer where to insert items in
+ psz = m_rows.GetItem(m_n_line++)->GetSizer();
+ }
+ itemLast = item;
+ psz->Add( item );
+ // If item is a window, it now has a pointer to the child sizer,
+ // which is wrong. Set it to point to us.
+ if( item->GetWindow() )
+ item->GetWindow()->SetContainingSizer( this );
+ }
+ node = node->GetNext();
+ }
+
+ // If we have extend-last-on-each-line mode, then do so now
+ if( m_flags&wxEXTEND_LAST_ON_EACH_LINE )
+ AdjustPropLastItem(psz,itemLast);
+
+ // If we have more sizers than lines, remove them
+ while( (int)m_rows.GetChildren().GetCount()>m_n_line )
+ m_rows.Remove( m_n_line );
+
+ // Now do layout on row sizer
+ m_rows.SetDimension( m_position.x, m_position.y, m_size.x, m_size.y );
+
+ // Remember this to next time (will be overridden by InformFirstDirection if used)
+ m_prim_size_last = GetSizeInMajorDir(m_size);
+}
+
+
+wxSize wxWrapSizer::CalcMin()
+{
+ if (m_children.GetCount() == 0)
+ return wxSize();
+
+ // Algorithm for calculating min size: (assuming horizontal orientation)
+ // X: Max width of all members
+ // Y: Based on last X, calculate how many lines needed
+ // First time around, assume all items fits on one line
+
+ int maxMajor = 0;
+ int minorSum = 0;
+ int lineMaxMinor = 0;
+ int lineSumMajor = 0;
+ m_n_line = 0;
+
+ // precalc item minsizes and fit on lines (preliminary)
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+ if ( item->IsShown() )
+ {
+ wxSize minSz = item->CalcMin();
+ int szMajor = GetSizeInMajorDir(minSz);
+ int szMinor = GetSizeInMinorDir(minSz);
+ if( szMajor>maxMajor ) maxMajor = szMajor;
+ // More space on this line?
+ if( m_prim_size_last<0 || !lineSumMajor ||
+ lineSumMajor+szMajor<=m_prim_size_last )
+ {
+ lineSumMajor += szMajor;
+ if( szMinor>lineMaxMinor )
+ lineMaxMinor = szMinor;
+ }
+ else
+ {
+ minorSum += lineMaxMinor; // Add height of highest item on last line
+ m_n_line++;
+ lineMaxMinor = szMinor;
+ lineSumMajor = szMajor;
+ }
+ }
+ node = node->GetNext();
+ }
+ minorSum += lineMaxMinor; // Add height of highest item on last line
+
+ m_minSize = SizeFromMajorMinor(maxMajor, minorSum);
+ return m_minSize;
+}
+
//---------------------------------------------------------------------------
// wxStaticBoxSizer
//---------------------------------------------------------------------------
Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
}
- // according to HIG, in explicit apply windows the order is:
+ // according to HIG, in explicit apply windows the order is:
// [ Help Apply Cancel OK ]
if (m_buttonApply)
Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
projects / wxWidgets.git / blobdiff