X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/aa21b5090ad75a806fe20b6371933302f67d821e..4e5a4c69c540b430fba8efe5dae1bc1ffd5caeca:/src/common/sizer.cpp

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index a412637448..e93aee1e64 100644
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -27,14 +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(wxStaticBoxSizer, wxBoxSizer);
+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)
+#endif
 #if wxUSE_NOTEBOOK
-IMPLEMENT_ABSTRACT_CLASS(wxNotebookSizer, wxSizer);
+IMPLEMENT_ABSTRACT_CLASS(wxNotebookSizer, wxSizer)
 #endif
 
 //---------------------------------------------------------------------------
@@ -133,21 +135,28 @@ wxSize wxSizerItem::CalcMin()
     if (IsSizer())
     {
         ret = m_sizer->GetMinSize();
+
         // if we have to preserve aspect ratio _AND_ this is
         // the first-time calculation, consider ret to be initial size
-        if ((m_flag & wxSHAPED) && !m_ratio) SetRatio(ret);
+        if ((m_flag & wxSHAPED) && !m_ratio)
+            SetRatio(ret);
     }
-
-/*
-    The minimum size of a window should be the
-    initial size, as saved in m_minSize, not the
-    current size.
-
     else
-    if (IsWindow())
-        ret = m_window->GetSize();
-*/
-    else ret = m_minSize;
+    {
+        if ( IsWindow() && (m_flag & wxADJUST_MINSIZE) )
+        {
+            // check if the best (minimal, in fact) window size hadn't changed
+            // by chance: this may happen for, e.g. static text if its label
+            // changed
+            wxSize size = m_window->GetBestSize();
+            if ( size.x > m_minSize.x )
+                m_minSize.x = size.x;
+            if ( size.y > m_minSize.y )
+                m_minSize.y = size.y;
+        }
+
+        ret = m_minSize;
+    }
 
     if (m_flag & wxWEST)
         ret.x += m_border;
@@ -163,30 +172,12 @@ wxSize wxSizerItem::CalcMin()
 
 void wxSizerItem::SetDimension( wxPoint pos, wxSize size )
 {
-    m_pos = pos;
-
-    if (m_flag & wxWEST)
-    {
-        pos.x += m_border;
-        size.x -= m_border;
-    }
-    if (m_flag & wxEAST)
-    {
-        size.x -= m_border;
-    }
-    if (m_flag & wxNORTH)
+    if (m_flag & wxSHAPED)
     {
-        pos.y += m_border;
-        size.y -= m_border;
-    }
-    if (m_flag & wxSOUTH)
-    {
-        size.y -= m_border;
-    }
-    if (m_flag & wxSHAPED) {
         // adjust aspect ratio
         int rwidth = (int) (size.y * m_ratio);
-        if (rwidth > size.x) {
+        if (rwidth > size.x)
+        {
             // fit horizontally
             int rheight = (int) (size.x / m_ratio);
             // add vertical space
@@ -196,7 +187,9 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size )
                 pos.y += (size.y - rheight);
             // use reduced dimensions
             size.y =rheight;
-        } else if (rwidth < size.x) {
+        }
+        else if (rwidth < size.x)
+        {
             // add horizontal space
             if (m_flag & wxALIGN_CENTER_HORIZONTAL)
                 pos.x += (size.x - rwidth) / 2;
@@ -206,6 +199,30 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size )
         }
     }
 
+    // This is what GetPosition() returns. Since we calculate
+    // borders afterwards, GetPosition() will be the left/top
+    // corner of the surrounding border.
+    m_pos = pos;
+
+    if (m_flag & wxWEST)
+    {
+        pos.x += m_border;
+        size.x -= m_border;
+    }
+    if (m_flag & wxEAST)
+    {
+        size.x -= m_border;
+    }
+    if (m_flag & wxNORTH)
+    {
+        pos.y += m_border;
+        size.y -= m_border;
+    }
+    if (m_flag & wxSOUTH)
+    {
+        size.y -= m_border;
+    }
+
     if (IsSizer())
         m_sizer->SetDimension( pos.x, pos.y, size.x, size.y );
 
@@ -215,6 +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);
@@ -243,11 +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 )
@@ -263,6 +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 )
@@ -278,6 +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 )
@@ -300,6 +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;
         }
@@ -338,9 +369,46 @@ bool wxSizer::Remove( int pos )
     return TRUE;
 }
 
+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();
+    }
+}
+
 void wxSizer::Fit( wxWindow *window )
 {
-    window->SetSize( GetMinWindowSize( window ) );
+    wxSize size;
+    if (window->IsTopLevel())
+        size = FitSize( window );
+    else
+        size = GetMinWindowSize( window );
+
+    window->SetSize( size );
 }
 
 void wxSizer::Layout()
@@ -351,8 +419,19 @@ void wxSizer::Layout()
 
 void wxSizer::SetSizeHints( wxWindow *window )
 {
-    wxSize size( GetMinWindowSize( 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 size = FitSize( window );
+    window->SetSizeHints( size.x,
+                          size.y,
+                          window->GetMaxWidth(),
+                          window->GetMaxHeight() );
+}
+
+wxSize wxSizer::GetMaxWindowSize( wxWindow *window )
+{
+    return window->GetMaxSize();
 }
 
 wxSize wxSizer::GetMinWindowSize( wxWindow *window )
@@ -364,6 +443,22 @@ wxSize wxSizer::GetMinWindowSize( wxWindow *window )
                    minSize.y+size.y-client_size.y );
 }
 
+// Return a window size that will fit within the screens dimensions
+wxSize wxSizer::FitSize( wxWindow *window )
+{
+    wxSize size     = GetMinWindowSize( window );
+    wxSize sizeMax  = GetMaxWindowSize( 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;
@@ -892,14 +987,43 @@ wxSize wxBoxSizer::CalcMin()
     m_fixedWidth = 0;
     m_fixedHeight = 0;
 
+    // Find how long each stretch unit needs to be
+    int stretchSize = 1;
     wxNode *node = m_children.GetFirst();
     while (node)
+    {
+        wxSizerItem *item = (wxSizerItem*) node->Data();
+        if (item->GetOption() != 0)
+        {
+            int stretch = item->GetOption();
+            wxSize size( item->CalcMin() );
+            int sizePerStretch;
+            // Integer division rounded up is (a + b - 1) / b
+            if (m_orient == wxHORIZONTAL)
+                sizePerStretch = ( size.x + stretch - 1 ) / stretch;
+            else
+                sizePerStretch = ( size.y + stretch - 1 ) / stretch;
+            if (sizePerStretch > stretchSize)
+                stretchSize = sizePerStretch;
+        }
+        node = node->Next();
+    }
+	// Calculate overall minimum size
+	node = m_children.GetFirst();
+    while (node)
     {
         wxSizerItem *item = (wxSizerItem*) node->Data();
 
         m_stretchable += item->GetOption();
-        
+
         wxSize size( item->CalcMin() );
+        if (item->GetOption() != 0)
+        {
+            if (m_orient == wxHORIZONTAL)
+                size.x = stretchSize * item->GetOption();
+            else
+                size.y = stretchSize * item->GetOption();
+        }
 
         if (m_orient == wxHORIZONTAL)
         {
@@ -920,7 +1044,7 @@ wxSize wxBoxSizer::CalcMin()
                 m_fixedWidth = wxMax( m_fixedWidth, size.x );
             }
             else
-            { 
+            {
                 m_fixedWidth += size.x;
                 m_fixedHeight = wxMax( m_fixedHeight, size.y );
             }
@@ -936,22 +1060,35 @@ wxSize wxBoxSizer::CalcMin()
 // wxStaticBoxSizer
 //---------------------------------------------------------------------------
 
+#if wxUSE_STATBOX
+
 wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient )
-  : wxBoxSizer( orient )
+                : wxBoxSizer( orient )
 {
     wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") );
 
     m_staticBox = box;
 }
 
+static void GetStaticBoxBorders(wxStaticBox *box,
+                                int *borderTop, int *borderOther)
+{
+    // this has to be done platform by platform as there is no way to
+    // guess the thickness of a wxStaticBox border
+#ifdef __WXGTK__
+    if ( box->GetLabel().IsEmpty() )
+        *borderTop = 5;
+    else
+#endif // __WXGTK__
+        *borderTop = 15;
+	(void)box;
+    *borderOther = 5;
+}
+
 void wxStaticBoxSizer::RecalcSizes()
 {
-    // this will have to be done platform by platform
-    // as there is no way to guess the thickness of
-    // a wxStaticBox border
-    int top_border = 15;
-    if (m_staticBox->GetLabel().IsEmpty()) top_border = 5;
-    int other_border = 5;
+    int top_border, other_border;
+    GetStaticBoxBorders(m_staticBox, &top_border, &other_border);
 
     m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y );
 
@@ -970,13 +1107,8 @@ void wxStaticBoxSizer::RecalcSizes()
 
 wxSize wxStaticBoxSizer::CalcMin()
 {
-    // This will have to be done platform by platform
-    // as there is no way to guess the thickness of
-    // a wxStaticBox border.
-
-    int top_border = 15;
-    if (m_staticBox->GetLabel().IsEmpty()) top_border = 5;
-    int other_border = 5;
+    int top_border, other_border;
+    GetStaticBoxBorders(m_staticBox, &top_border, &other_border);
 
     wxSize ret( wxBoxSizer::CalcMin() );
     ret.x += 2*other_border;
@@ -985,6 +1117,8 @@ wxSize wxStaticBoxSizer::CalcMin()
     return ret;
 }
 
+#endif // wxUSE_STATBOX
+
 //---------------------------------------------------------------------------
 // wxNotebookSizer
 //---------------------------------------------------------------------------
@@ -1005,24 +1139,15 @@ void wxNotebookSizer::RecalcSizes()
 
 wxSize wxNotebookSizer::CalcMin()
 {
-    // This will have to be done platform by platform
-    // as there is no way to guess the thickness of
-    // the wxNotebook tabs and border.
+    wxSize sizeBorder = m_notebook->CalcSizeFromPage(wxSize(0, 0));
 
-    int borderX = 5;
-    int borderY = 5;
-    if ((m_notebook->HasFlag(wxNB_RIGHT)) ||
-        (m_notebook->HasFlag(wxNB_LEFT)))
-    {
-        borderX += 90; // improvements later..
-    }
-    else
-    {
-        borderY += 40; // improvements later..
-    }
+    sizeBorder.x += 5;
+    sizeBorder.y += 5;
 
     if (m_notebook->GetChildren().GetCount() == 0)
-        return wxSize(borderX + 10, borderY + 10);
+    {
+        return wxSize(sizeBorder.x + 10, sizeBorder.y + 10);
+    }
 
     int maxX = 0;
     int maxY = 0;
@@ -1037,14 +1162,18 @@ wxSize wxNotebookSizer::CalcMin()
         {
             wxSize subsize( itemsizer->CalcMin() );
 
-            if (subsize.x > maxX) maxX = subsize.x;
-            if (subsize.y > maxY) maxY = subsize.y;
+            if (subsize.x > maxX)
+                maxX = subsize.x;
+            if (subsize.y > maxY)
+                maxY = subsize.y;
         }
 
         node = node->GetNext();
     }
 
-    return wxSize( borderX + maxX, borderY + maxY );
+    return wxSize( maxX, maxY ) + sizeBorder;
 }
 
 #endif // wxUSE_NOTEBOOK
+
+// vi:sts=4:sw=4:et