#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));
}
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())
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.
+
+ const wxSize clientSize = ComputeFittingClientSize(window);
- window->SetSizeHints( size.x,
- size.y,
- window->GetMaxWidth(),
- window->GetMaxHeight() );
+ 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
+ // 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;
const wxPoint pt(GetPosition());
return total;
}
-wxSize wxFlexGridSizer::CalcMin()
+void wxFlexGridSizer::FindWidthsAndHeights(int nrows, int ncols)
{
- 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
wxSizerItem * const item = *i;
if ( item->IsShown() )
{
- const wxSize sz(item->CalcMin());
+ // 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;
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::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 )
+ {
+ 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
: NULL
);
}
+}
- 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
- );
- }
+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 = 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;
+ 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);
-
int totalProportion = m_totalProportion;
- for ( wxSizerItemList::const_iterator i = m_children.begin();
+ 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);
- 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;
}
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();
}
projects / wxWidgets.git / blobdiff