X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/df44dcedaab506c016a07ffdfda2b6a89a529186..6cab4fcac7fe26d9ae5a1d29066e0893d689bb38:/src/common/sizer.cpp

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index 930aa061bb..6d02d5b4b9 100644
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -17,7 +17,6 @@
     #pragma hdrstop
 #endif
 
-#include "wx/display.h"
 #include "wx/sizer.h"
 #include "wx/private/flagscheck.h"
 
@@ -32,6 +31,7 @@
     #include "wx/toplevel.h"
 #endif // WX_PRECOMP
 
+#include "wx/display.h"
 #include "wx/listimpl.cpp"
 
 
@@ -480,12 +480,23 @@ void wxSizerItem::SetDimension( const wxPoint& pos_, const wxSize& size_ )
             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.
+#if 0
+            m_window->SetSize(pos.x, pos.y, size.x, size.y,
+                              wxSIZE_ALLOW_MINUS_ONE|wxSIZE_FORCE_EVENT );
+#else
             m_window->SetSize(pos.x, pos.y, size.x, size.y,
-                              wxSIZE_ALLOW_MINUS_ONE);
+                              wxSIZE_ALLOW_MINUS_ONE );
+#endif
             break;
-
+        }
         case Item_Sizer:
-            m_sizer->SetDimension(pos.x, pos.y, size.x, size.y);
+            m_sizer->SetDimension(pos, size);
             break;
 
         case Item_Spacer:
@@ -1005,15 +1016,6 @@ wxSize wxSizer::VirtualFitSize( wxWindow *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() );
@@ -1333,25 +1335,33 @@ wxGridSizer::wxGridSizer( int cols, int vgap, int hgap )
 
 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;
@@ -1640,11 +1650,9 @@ wxSize wxFlexGridSizer::CalcMin()
     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() )
@@ -1798,21 +1806,21 @@ void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz)
         {
             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) )
     {
@@ -1829,15 +1837,36 @@ void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz)
     }
 }
 
+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 );
 }
@@ -1935,15 +1964,22 @@ void wxBoxSizer::RecalcSizes()
 
         // 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;
+            }
         }
 
 
@@ -1962,7 +1998,7 @@ void wxBoxSizer::RecalcSizes()
         }
         // 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;
         }
@@ -2012,224 +2048,6 @@ wxSize wxBoxSizer::CalcMin()
     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
 //---------------------------------------------------------------------------