#pragma hdrstop
#endif
-#include "wx/display.h"
#include "wx/sizer.h"
+#include "wx/private/flagscheck.h"
#ifndef WX_PRECOMP
#include "wx/string.h"
#include "wx/toplevel.h"
#endif // WX_PRECOMP
+#include "wx/display.h"
#include "wx/listimpl.cpp"
// 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_id(wxID_NONE),
m_userData(userData)
{
+ ASSERT_VALID_SIZER_FLAGS( m_flag );
+
DoSetWindow(window);
}
m_ratio(0.0),
m_userData(userData)
{
+ ASSERT_VALID_SIZER_FLAGS( m_flag );
+
DoSetSizer(sizer);
// m_minSize is set later
m_id(wxID_NONE),
m_userData(userData)
{
+ ASSERT_VALID_SIZER_FLAGS( m_flag );
+
DoSetSpacer(wxSize(width, height));
}
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;
- }
- }
-
+ // 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();
+ 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;
- }
- }
- }
-
+
+ // 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;
}
break;
case Item_Window:
+ {
+ // Use wxSIZE_FORCE_EVENT here since a sizer item might
+ // have changed alignment or some other property which would
+ // not change the size of the window. In such a case, no
+ // wxSizeEvent would normally be generated and thus the
+ // control wouldn't get layed out correctly here.
m_window->SetSize(pos.x, pos.y, size.x, size.y,
- wxSIZE_ALLOW_MINUS_ONE);
+ wxSIZE_ALLOW_MINUS_ONE|wxSIZE_FORCE_EVENT );
break;
-
+ }
case Item_Sizer:
- m_sizer->SetDimension(pos.x, pos.y, size.x, size.y);
+ m_sizer->SetDimension(pos, size);
break;
case Item_Spacer:
bool wxSizerItem::IsShown() const
{
+ if ( m_flag & wxRESERVE_SPACE_EVEN_IF_HIDDEN )
+ return true;
+
switch ( m_kind )
{
case Item_None:
}
}
-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 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;
node = node->GetNext();
}
- // In case we have a nested sizer with a two step algo , give it
+ // 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;
{
wxSizerItem *item = node->GetData();
didChangeMinSize |= item->InformFirstDirection( wxHORIZONTAL, w, -1 );
-
+
node = node->GetNext();
}
-
+
// And redo iteration in case min size changed
if( didChangeMinSize )
{
h = wxMax( h, sz.y );
node = node->GetNext();
- }
+ }
}
-
+
return wxSize( ncols * w + (ncols-1) * m_hgap,
nrows * h + (nrows-1) * m_vgap );
}
wxSizerItem * const item = *i;
if ( item->IsShown() )
{
- // NOTE: Not doing the calculation here, this is just
+ // NOTE: Not doing the calculation here, this is just
// for finding max values.
const wxSize sz(item->GetMinSizeWithBorder());
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() )
}
}
- // The stage of looking for max values in each row/column has been
+ // 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);
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.
+
+ // 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();
{
const int col = n % ncols;
didAdjustMinSize |= (*i)->InformFirstDirection(wxHORIZONTAL, m_colWidths[col], sz.y - m_calculatedMinSize.y);
- }
+ }
- // Only redo if info was actually used
+ // 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 );
}
if ( m_children.empty() )
return;
- const wxCoord totalMinorSize = SizeInMinorDir(m_size);
+ 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)
- 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;
wxSize szMinPrev = item->GetMinSizeWithBorder();
item->InformFirstDirection(m_orient^wxBOTH,totalMinorSize,delta);
wxSize szMin = item->GetMinSizeWithBorder();
- int deltaChange = SizeInMajorDir(szMin-szMinPrev);
+ int deltaChange = GetSizeInMajorDir(szMin-szMinPrev);
if( deltaChange )
{
- // Since we passed available space along to the item, it should not
- // take too much ,so delat should not become negative.
- delta -= 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 += SizeInMajorDir(item->GetMinSizeWithBorder());
+ majorMinSum += GetSizeInMajorDir(item->GetMinSizeWithBorder());
}
// And update our min size
SizeInMajorDir(m_minSize) = majorMinSum;
// might have a new delta now
- delta = SizeInMajorDir(m_size) - SizeInMajorDir(m_minSize);
-
+ delta = GetSizeInMajorDir(m_size) - GetSizeInMajorDir(m_minSize);
+
// the position at which we put the next child
wxPoint pt(m_position);
if ( !item->IsShown() )
continue;
-
-#ifndef __DMC__
- // DMC doesn't distinguish between
- // int SizeInMajorDir(const wxSize& sz) const
- // and int& SizeInMajorDir(wxSize& sz)
- const
-#endif
- wxSize sizeThis(item->GetMinSizeWithBorder());
+
+ const wxSize sizeThis(item->GetMinSizeWithBorder());
// adjust the size in the major direction using the proportion
- wxCoord majorSize = SizeInMajorDir(sizeThis);
- const int propItem = item->GetProportion();
- if ( propItem )
+ wxCoord majorSize = GetSizeInMajorDir(sizeThis);
+
+ // 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;
+ }
}
// 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) )
{
}
// 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;
}
if ( !item->IsShown() )
continue;
-#ifndef __DMC__
- const // see __DMC__ above
-#endif
- wxSize sizeMinThis = item->CalcMin();
- SizeInMajorDir(m_minSize) += SizeInMajorDir(sizeMinThis);
- if ( SizeInMinorDir(sizeMinThis) > SizeInMinorDir(m_minSize) )
- SizeInMinorDir(m_minSize) = SizeInMinorDir(sizeMinThis);
+ const wxSize sizeMinThis = item->CalcMin();
+ 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 = SizeInMajorDir(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 = SizeInMajorDir(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 = SizeInMajorDir(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 = SizeInMajorDir(minSz);
- int szMinor = SizeInMinorDir(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