X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e6ba3fd4b7a04756333f79467825613b400e987e..f8d791e0a41f1021a69c3d6320ee6934c0dd7f36:/src/common/sizer.cpp diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp index 7b2fbb4e74..b4f6dc23d1 100644 --- a/src/common/sizer.cpp +++ b/src/common/sizer.cpp @@ -2,7 +2,7 @@ // Name: sizer.cpp // Purpose: provide new wxSizer class for layout // Author: Robert Roebling and Robin Dunn -// Modified by: +// Modified by: Ron Lee // Created: // RCS-ID: $Id$ // Copyright: (c) Robin Dunn, Dirk Holtwick and Robert Roebling @@ -27,16 +27,16 @@ //--------------------------------------------------------------------------- -IMPLEMENT_ABSTRACT_CLASS(wxSizerItem, wxObject); -IMPLEMENT_ABSTRACT_CLASS(wxSizer, wxObject); -IMPLEMENT_ABSTRACT_CLASS(wxGridSizer, wxSizer); -IMPLEMENT_ABSTRACT_CLASS(wxFlexGridSizer, wxGridSizer); -IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer); +IMPLEMENT_ABSTRACT_CLASS(wxSizerItem, wxObject) +IMPLEMENT_ABSTRACT_CLASS(wxSizer, wxObject) +IMPLEMENT_ABSTRACT_CLASS(wxGridSizer, wxSizer) +IMPLEMENT_ABSTRACT_CLASS(wxFlexGridSizer, wxGridSizer) +IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer) #if wxUSE_STATBOX -IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer); +IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer) #endif #if wxUSE_NOTEBOOK -IMPLEMENT_ABSTRACT_CLASS(wxNotebookSizer, wxSizer); +IMPLEMENT_ABSTRACT_CLASS(wxNotebookSizer, wxSizer) #endif //--------------------------------------------------------------------------- @@ -232,6 +232,15 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) m_size = size; } +void wxSizerItem::DeleteWindows() +{ + if (m_window) + m_window->Destroy(); + + if (m_sizer) + m_sizer->DeleteWindows(); +} + bool wxSizerItem::IsWindow() { return (m_window != NULL); @@ -260,11 +269,13 @@ wxSizer::wxSizer() wxSizer::~wxSizer() { + Clear(); } void wxSizer::Add( wxWindow *window, int option, int flag, int border, wxObject* userData ) { m_children.Append( new wxSizerItem( window, option, flag, border, userData ) ); + window->SetContainingSizer(this); } void wxSizer::Add( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) @@ -280,6 +291,7 @@ void wxSizer::Add( int width, int height, int option, int flag, int border, wxOb void wxSizer::Prepend( wxWindow *window, int option, int flag, int border, wxObject* userData ) { m_children.Insert( new wxSizerItem( window, option, flag, border, userData ) ); + window->SetContainingSizer(this); } void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) @@ -295,6 +307,7 @@ void wxSizer::Prepend( int width, int height, int option, int flag, int border, void wxSizer::Insert( int before, wxWindow *window, int option, int flag, int border, wxObject* userData ) { m_children.Insert( before, new wxSizerItem( window, option, flag, border, userData ) ); + window->SetContainingSizer(this); } void wxSizer::Insert( int before, wxSizer *sizer, int option, int flag, int border, wxObject* userData ) @@ -317,6 +330,7 @@ bool wxSizer::Remove( wxWindow *window ) wxSizerItem *item = (wxSizerItem*)node->Data(); if (item->GetWindow() == window) { + item->GetWindow()->SetContainingSizer(NULL); m_children.DeleteNode( node ); return TRUE; } @@ -355,7 +369,38 @@ bool wxSizer::Remove( int pos ) return TRUE; } -void wxSizer::Fit( wxWindow *window ) +void wxSizer::Clear( bool delete_windows ) +{ + // First clear the ContainingSizer pointers + wxNode *node = m_children.First(); + while (node) + { + wxSizerItem *item = (wxSizerItem*)node->Data(); + if (item->IsWindow()) + item->GetWindow()->SetContainingSizer(NULL); + node = node->Next(); + } + + // Destroy the windows if needed + if (delete_windows) + DeleteWindows(); + + // Now empty the list + m_children.Clear(); +} + +void wxSizer::DeleteWindows() +{ + wxNode *node = m_children.First(); + while (node) + { + wxSizerItem *item = (wxSizerItem*)node->Data(); + item->DeleteWindows(); + node = node->Next(); + } +} + +wxSize wxSizer::Fit( wxWindow *window ) { wxSize size; if (window->IsTopLevel()) @@ -364,6 +409,19 @@ void wxSizer::Fit( wxWindow *window ) size = GetMinWindowSize( window ); window->SetSize( size ); + + return size; +} + +void wxSizer::FitInside( wxWindow *window ) +{ + wxSize size; + if (window->IsTopLevel()) + size = VirtualFitSize( window ); + else + size = GetMinClientSize( window ); + + window->SetVirtualSize( size ); } void wxSizer::Layout() @@ -374,29 +432,33 @@ void wxSizer::Layout() void wxSizer::SetSizeHints( wxWindow *window ) { - wxSize size = FitSize( window ); - window->SetSizeHints( size.x, size.y ); -} + // Preserve the window's max size hints, but set the + // lower bound according to the sizer calculations. -wxSize wxSizer::GetMaxWindowSize( wxWindow *WXUNUSED(window) ) -{ - wxRect rect = wxGetClientDisplayRect(); - wxSize sizeMax (rect.width,rect.height); + wxSize size = Fit( window ); - // Sorry, but this bit is wrong -- it makes a window that should just be - // able to fit onto the screen, not fit on the screen. -- JACS -#if 0 - // Make the max size a bit smaller than the visible portion of - // the screen. A window which takes the entire screen doesn't - // look very nice either - sizeMax.x *= 9; - sizeMax.x /= 10; + window->SetSizeHints( size.x, + size.y, + window->GetMaxWidth(), + window->GetMaxHeight() ); +} - sizeMax.y *= 9; - sizeMax.y /= 10; -#endif +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() ); +} - return sizeMax; +wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) +{ + return window->GetMaxSize(); } wxSize wxSizer::GetMinWindowSize( wxWindow *window ) @@ -414,9 +476,47 @@ wxSize wxSizer::FitSize( wxWindow *window ) wxSize size = GetMinWindowSize( window ); wxSize sizeMax = GetMaxWindowSize( window ); - if ( size.x > sizeMax.x ) + // Limit the size if sizeMax != wxDefaultSize + + if ( size.x > sizeMax.x && sizeMax.x != -1 ) size.x = sizeMax.x; - if ( size.y > sizeMax.y ) + if ( size.y > sizeMax.y && sizeMax.y != -1 ) + size.y = sizeMax.y; + + return size; +} + +wxSize wxSizer::GetMaxClientSize( wxWindow *window ) +{ + 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; +} + +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 != -1 ) + size.x = sizeMax.x; + if ( size.y > sizeMax.y && sizeMax.y != -1 ) size.y = sizeMax.y; return size; @@ -468,10 +568,10 @@ bool wxSizer::DoSetItemMinSize( wxWindow *window, int width, int height ) wxSizerItem *item = (wxSizerItem*)node->Data(); if (item->GetSizer()) { - /* It's a sizer, so lets search recursively. */ + // It's a sizer, so lets search recursively. if (item->GetSizer()->DoSetItemMinSize( window, width, height )) { - /* A child sizer found the requested windw, exit. */ + // A child sizer found the requested windw, exit. return TRUE; } } @@ -503,10 +603,10 @@ bool wxSizer::DoSetItemMinSize( wxSizer *sizer, int width, int height ) wxSizerItem *item = (wxSizerItem*)node->Data(); if (item->GetSizer()) { - /* It's a sizer, so lets search recursively. */ + // It's a sizer, so lets search recursively. if (item->GetSizer()->DoSetItemMinSize( sizer, width, height )) { - /* A child sizer found the requested windw, exit. */ + // A child sizer found the requested windw, exit. return TRUE; } } @@ -524,13 +624,12 @@ bool wxSizer::DoSetItemMinSize( int pos, int width, int height ) wxSizerItem *item = (wxSizerItem*) node->Data(); if (item->GetSizer()) { - /* Sizers contains the minimal size in them, if not calculated ... */ + // Sizers contains the minimal size in them, if not calculated ... item->GetSizer()->DoSetMinSize( width, height ); } else { - /* ... whereas the minimal size of spacers and windows in stored - in the item */ + // ... but the minimal size of spacers and windows in stored in them item->SetInitSize( width, height ); } @@ -557,19 +656,37 @@ wxGridSizer::wxGridSizer( int cols, int vgap, int hgap ) m_hgap = hgap; } -void wxGridSizer::RecalcSizes() +int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const { - if (m_children.GetCount() == 0) - return; - int nitems = m_children.GetCount(); - int nrows = m_rows; - int ncols = m_cols; + if ( nitems) + { + 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 (ncols > 0) - nrows = (nitems + ncols-1) / ncols; - else - ncols = (nitems + nrows-1) / nrows; + nrows = ncols = 0; + } + } + + return nitems; +} + +void wxGridSizer::RecalcSizes() +{ + int nitems, nrows, ncols; + if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) + return; wxSize sz( GetSize() ); wxPoint pt( GetPosition() ); @@ -599,19 +716,11 @@ void wxGridSizer::RecalcSizes() wxSize wxGridSizer::CalcMin() { - if (m_children.GetCount() == 0) - return wxSize(10,10); + int nitems, nrows, ncols; + if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) + return wxSize(10, 10); - int nitems = m_children.GetCount(); - int nrows = m_rows; - int ncols = m_cols; - - if (ncols > 0) - nrows = (nitems + ncols-1) / ncols; - else - ncols = (nitems + nrows-1) / nrows; - - /* Find the max width and height for any component */ + // Find the max width and height for any component int w = 0; int h = 0; @@ -697,17 +806,12 @@ void wxFlexGridSizer::CreateArrays() if (m_colWidths) delete[] m_colWidths; - if (m_children.GetCount() == 0) - return; - - int nitems = m_children.GetCount(); - int nrows = m_rows; - int ncols = m_cols; - - if (ncols > 0) - nrows = (nitems + ncols-1) / ncols; - else - ncols = (nitems + nrows-1) / nrows; + int nitems, nrows, ncols; + if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) + { + m_rowHeights = + m_colWidths = NULL; + } m_rowHeights = new int[nrows]; m_colWidths = new int[ncols]; @@ -720,36 +824,44 @@ void wxFlexGridSizer::CreateArrays() void wxFlexGridSizer::RecalcSizes() { - if (m_children.GetCount() == 0) + int nitems, nrows, ncols; + if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) return; - int nitems = m_children.GetCount(); - int nrows = m_rows; - int ncols = m_cols; - - if (ncols > 0) - nrows = (nitems + ncols-1) / ncols; - else - ncols = (nitems + nrows-1) / nrows; - wxSize sz( GetSize() ); wxSize minsz( CalcMin() ); wxPoint pt( GetPosition() ); int delta; - size_t idx; - - if ((m_growableRows.GetCount() > 0) && (sz.y > minsz.y)) + size_t idx,num; + wxArrayInt temp; + + // Transfer only those rows into temp which exist in the sizer + // ignoring the superflouus ones. This prevents a segfault when + // calling AddGrowableRow( 3 ) if the sizer only has 2 rows. + for (idx = 0; idx < m_growableRows.GetCount(); idx++) + if (m_growableRows[idx] < nrows) + temp.Add( m_growableRows[idx] ); + num = temp.GetCount(); + + if ((num > 0) && (sz.y > minsz.y)) { - delta = (sz.y - minsz.y) / m_growableRows.GetCount(); - for (idx = 0; idx < m_growableRows.GetCount(); idx++) - m_rowHeights[ m_growableRows[idx] ] += delta; + delta = (sz.y - minsz.y) / num; + for (idx = 0; idx < num; idx++) + m_rowHeights[ temp[idx] ] += delta; } - if ((m_growableCols.GetCount() > 0) && (sz.x > minsz.x)) + temp.Empty(); + // See above + for (idx = 0; idx < m_growableCols.GetCount(); idx++) + if (m_growableCols[idx] < ncols) + temp.Add( m_growableCols[idx] ); + num = temp.GetCount(); + + if ((num > 0) && (sz.x > minsz.x)) { - delta = (sz.x - minsz.x) / m_growableCols.GetCount(); - for (idx = 0; idx < m_growableCols.GetCount(); idx++) - m_colWidths[ m_growableCols[idx] ] += delta; + delta = (sz.x - minsz.x) / num; + for (idx = 0; idx < num; idx++) + m_colWidths[ temp[idx] ] += delta; } sz = wxSize( pt.x + sz.x, pt.y + sz.y ); @@ -779,31 +891,20 @@ void wxFlexGridSizer::RecalcSizes() wxSize wxFlexGridSizer::CalcMin() { - if (m_children.GetCount() == 0) + int nitems, nrows, ncols; + if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) return wxSize(10,10); - int nitems = m_children.GetCount(); - int nrows = m_rows; - int ncols = m_cols; - - if (ncols > 0) - nrows = (nitems + ncols-1) / ncols; - else - ncols = (nitems + nrows-1) / nrows; - CreateArrays(); - int col; - int row; - int i = 0; wxNode *node = m_children.First(); while (node) { wxSizerItem *item = (wxSizerItem*)node->Data(); wxSize sz( item->CalcMin() ); - row = i / ncols; - col = i % ncols; + int row = i / ncols; + int col = i % ncols; m_rowHeights[ row ] = wxMax( sz.y, m_rowHeights[ row ] ); m_colWidths[ col ] = wxMax( sz.x, m_colWidths[ col ] ); @@ -812,11 +913,11 @@ wxSize wxFlexGridSizer::CalcMin() } int width = 0; - for (col = 0; col < ncols; col++) + for (int col = 0; col < ncols; col++) width += m_colWidths[ col ]; int height = 0; - for (row = 0; row < nrows; row++) + for (int row = 0; row < nrows; row++) height += m_rowHeights[ row ]; return wxSize( width + (ncols-1) * m_hgap, @@ -971,8 +1072,8 @@ wxSize wxBoxSizer::CalcMin() } node = node->Next(); } - // Calculate overall minimum size - node = m_children.GetFirst(); + // Calculate overall minimum size + node = m_children.GetFirst(); while (node) { wxSizerItem *item = (wxSizerItem*) node->Data(); @@ -1044,7 +1145,7 @@ static void GetStaticBoxBorders(wxStaticBox *box, else #endif // __WXGTK__ *borderTop = 15; - (void)box; + (void)box; *borderOther = 5; } @@ -1138,3 +1239,5 @@ wxSize wxNotebookSizer::CalcMin() } #endif // wxUSE_NOTEBOOK + +// vi:sts=4:sw=4:et