#pragma hdrstop
#endif
-#include "wx/display.h"
#include "wx/sizer.h"
#include "wx/private/flagscheck.h"
#include "wx/toplevel.h"
#endif // WX_PRECOMP
+#include "wx/display.h"
#include "wx/listimpl.cpp"
break;
case Item_Sizer:
- m_sizer->SetDimension(pos.x, pos.y, size.x, size.y);
+ m_sizer->SetDimension(pos, size);
break;
case Item_Spacer:
return size;
}
-void wxSizer::SetDimension( int x, int y, int width, int height )
-{
- m_position.x = x;
- m_position.y = y;
- m_size.x = width;
- m_size.y = height;
- Layout();
-}
-
wxSize wxSizer::GetMinSize()
{
wxSize ret( CalcMin() );
int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const
{
- int nitems = m_children.GetCount();
- if ( nitems)
+ const int nitems = m_children.GetCount();
+ if ( m_cols && m_rows )
{
- if ( m_cols )
- {
- ncols = m_cols;
- nrows = (nitems + m_cols - 1) / m_cols;
- }
- else if ( m_rows )
- {
- ncols = (nitems + m_rows - 1) / m_rows;
- nrows = m_rows;
- }
- else // 0 columns, 0 rows?
- {
- wxFAIL_MSG( _T("grid sizer must have either rows or columns fixed") );
+ // if both rows and columns are specified by user, use the provided
+ // values even if we don't have enough items but check that we don't
+ // have too many of them as this is going to result in problems later
+ ncols = m_cols;
+ nrows = m_rows;
- nrows = ncols = 0;
- }
+ wxASSERT_MSG( ncols*nrows >= nitems, "too many items in grid sizer" );
+ }
+ else if ( m_cols )
+ {
+ ncols = m_cols;
+ nrows = (nitems + m_cols - 1) / m_cols;
+ }
+ else if ( m_rows )
+ {
+ ncols = (nitems + m_rows - 1) / m_rows;
+ nrows = m_rows;
+ }
+ else // 0 columns, 0 rows?
+ {
+ wxFAIL_MSG( _T("grid sizer must have either rows or columns fixed") );
+
+ nrows =
+ ncols = 0;
}
return nitems;
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 )
+ ++i)
{
wxSizerItem * const item = *i;
if ( item->IsShown() )
{
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 )
- {
- DoAdjustForGrowables
- (
- sz.x - m_calculatedMinSize.x,
- m_growableCols,
- m_colWidths,
- m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions
- : NULL
- );
+ {
+ 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) )
{
}
}
+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 )
{
+ int nrows, ncols;
+ CalcRowsCols(nrows, ncols);
+ wxCHECK_RET( idx < (size_t)nrows, "invalid row index" );
+
+ wxASSERT_MSG( !IsRowGrowable( idx ),
+ "AddGrowableRow() called for growable row" );
m_growableRows.Add( idx );
m_growableRowsProportions.Add( proportion );
}
void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion )
{
+ int nrows, ncols;
+ CalcRowsCols(nrows, ncols);
+ wxCHECK_RET( idx < (size_t)ncols, "invalid column index" );
+
+ wxASSERT_MSG( !IsColGrowable( idx ),
+ "AddGrowableCol() called for growable column" );
m_growableCols.Add( idx );
m_growableColsProportions.Add( proportion );
}
// adjust the size in the major direction using the proportion
wxCoord majorSize = GetSizeInMajorDir(sizeThis);
- const int propItem = item->GetProportion();
- if ( propItem )
+
+ // if there is not enough space, don't try to distribute negative space
+ // among the children, this would result in overlapping windows which
+ // we don't want
+ if ( delta > 0 )
{
- const int deltaItem = (delta * propItem) / totalProportion;
+ const int propItem = item->GetProportion();
+ if ( propItem )
+ {
+ const int deltaItem = (delta * propItem) / totalProportion;
- majorSize += deltaItem;
+ majorSize += deltaItem;
- delta -= deltaItem;
- totalProportion -= propItem;
+ delta -= deltaItem;
+ totalProportion -= propItem;
+ }
}
}
// NB: wxCENTRE is used here only for backwards compatibility,
// wxALIGN_CENTRE should be used in new code
- else if ( flag & (wxCENTER | wxALIGN_CENTRE) )
+ else if ( flag & (wxCENTER | (IsVertical() ? wxALIGN_CENTRE_HORIZONTAL : wxALIGN_CENTRE_VERTICAL)))
{
PosInMinorDir(posChild) += (totalMinorSize - minorSize) / 2;
}
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
//---------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff