X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/247cdef5df07448be1137dd48c0f16fe4519d042..f8d791e0a41f1021a69c3d6320ee6934c0dd7f36:/src/common/sizer.cpp

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index ce8405973c..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
@@ -400,7 +400,7 @@ void wxSizer::DeleteWindows()
     }
 }
 
-void wxSizer::Fit( wxWindow *window )
+wxSize wxSizer::Fit( wxWindow *window )
 {
     wxSize size;
     if (window->IsTopLevel())
@@ -408,7 +408,20 @@ void wxSizer::Fit( wxWindow *window )
     else
         size = GetMinWindowSize( window );
 
-    window->SetClientSize( size );
+    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()
@@ -422,13 +435,27 @@ void wxSizer::SetSizeHints( wxWindow *window )
     // Preserve the window's max size hints, but set the
     // lower bound according to the sizer calculations.
 
-    wxSize size = FitSize( window );
+    wxSize size = Fit( window );
+
     window->SetSizeHints( size.x,
                           size.y,
                           window->GetMaxWidth(),
                           window->GetMaxHeight() );
 }
 
+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 )
 {
     return window->GetMaxSize();
@@ -459,6 +486,42 @@ wxSize wxSizer::FitSize( wxWindow *window )
     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;
+}
+
 void wxSizer::SetDimension( int x, int y, int width, int height )
 {
     m_position.x = x;
@@ -505,10 +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;
             }
         }
@@ -540,10 +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;
             }
         }
@@ -561,13 +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 );
     }
 
@@ -594,19 +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() );
@@ -636,19 +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;
 
@@ -734,17 +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];
@@ -757,36 +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 );
@@ -816,31 +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 ] );
 
@@ -849,11 +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,
@@ -1008,8 +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();
@@ -1081,7 +1145,7 @@ static void GetStaticBoxBorders(wxStaticBox *box,
     else
 #endif // __WXGTK__
         *borderTop = 15;
-	(void)box;
+    (void)box;
     *borderOther = 5;
 }