send wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED only once after end of dragging and...

[wxWidgets.git] / src / common / sizer.cpp

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index f6ef4e0cbc5cc6d65b7e3c02dac3b1d4eedd7847..e22859979b7aecc6e91481526896d66f7477a0c2 100644 (file)
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -85,18 +85,9 @@ WX_DEFINE_EXPORTED_LIST( wxSizerItemList );
     minsize
 */
 
     minsize
 */
 

-//---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------

 // wxSizerItem
 // wxSizerItem

-//---------------------------------------------------------------------------
-
-void wxSizerItem::Init()
-{
-    m_window = NULL;
-    m_sizer = NULL;
-    m_show = true;
-    m_userData = NULL;
-    m_zoneRect = wxRect(0,0,0,0);
-}
+// ----------------------------------------------------------------------------

 
 void wxSizerItem::Init(const wxSizerFlags& flags)
 {
 
 void wxSizerItem::Init(const wxSizerFlags& flags)
 {


@@ -107,89 +98,156 @@ void wxSizerItem::Init(const wxSizerFlags& flags)
     m_border = flags.GetBorderInPixels();
 }
 
     m_border = flags.GetBorderInPixels();
 }
 

-wxSizerItem::wxSizerItem( int width, int height, int proportion, int flag, int border, wxObject* userData )
-    : m_window( NULL )
-    , m_sizer( NULL )
-    , m_size( wxSize( width, height ) ) // size is set directly
-    , m_minSize( m_size )               // minimal size is the initial size
-    , m_proportion( proportion )
-    , m_border( border )
-    , m_flag( flag )
-    , m_zoneRect()
-    , m_show( true )
-    , m_userData( userData )
-{
-    SetRatio( m_size );
-}
-
-wxSizerItem::wxSizerItem( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
-    : m_window( window )
-    , m_sizer( NULL )
-    , m_proportion( proportion )
-    , m_border( border )
-    , m_flag( flag )
-    , m_zoneRect()
-    , m_show( true )
-    , m_userData( userData )
-{
-    if (flag & wxFIXED_MINSIZE)
-        window->SetMinSize(window->GetSize());
+wxSizerItem::wxSizerItem()
+{
+    Init();
+
+    m_proportion = 0;
+    m_border = 0;
+    m_flag = 0;
+
+    m_kind = Item_None;
+}
+
+// window item
+void wxSizerItem::SetWindow(wxWindow *window)
+{
+    wxCHECK_RET( window, _T("NULL window in wxSizerItem::SetWindow()") );
+
+    m_kind = Item_Window;
+    m_window = window;
+
+    // window doesn't become smaller than its initial size, whatever happens

     m_minSize = window->GetSize();
 
     m_minSize = window->GetSize();
 

+    if ( m_flag & wxFIXED_MINSIZE )
+        window->SetMinSize(m_minSize);
+

     // aspect ratio calculated from initial size
     // aspect ratio calculated from initial size

-    SetRatio( m_minSize );
+    SetRatio(m_minSize);
+}

 
 

-    // m_size is calculated later
+wxSizerItem::wxSizerItem(wxWindow *window,
+                         int proportion,
+                         int flag,
+                         int border,
+                         wxObject* userData)
+           : m_proportion(proportion),
+             m_border(border),
+             m_flag(flag),
+             m_userData(userData)
+{
+    SetWindow(window);

 }
 
 }
 

-wxSizerItem::wxSizerItem( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
-    : m_window( NULL )
-    , m_sizer( sizer )
-    , m_proportion( proportion )
-    , m_border( border )
-    , m_flag( flag )
-    , m_zoneRect()
-    , m_show( true )
-    , m_ratio( 0.0 )
-    , m_userData( userData )
+// sizer item
+void wxSizerItem::SetSizer(wxSizer *sizer)

 {
 {

-    // m_minSize is calculated later
-    // m_size is calculated later
+    m_kind = Item_Sizer;
+    m_sizer = sizer;

 }
 
 }
 

-wxSizerItem::wxSizerItem()
+wxSizerItem::wxSizerItem(wxSizer *sizer,
+                         int proportion,
+                         int flag,
+                         int border,
+                         wxObject* userData)
+           : m_proportion(proportion),
+             m_border(border),
+             m_flag(flag),
+             m_ratio(0.0),
+             m_userData(userData)

 {
 {

-    Init();
+    SetSizer(sizer);

 
 

-    m_proportion = 0;
-    m_border = 0;
-    m_flag = 0;
+    // m_minSize is set later
+}
+
+// spacer item
+void wxSizerItem::SetSpacer(const wxSize& size)
+{
+    m_kind = Item_Spacer;
+    m_spacer = new wxSizerSpacer(size);
+    m_minSize = size;
+    SetRatio(size);
+}
+
+wxSizerItem::wxSizerItem(int width,
+                         int height,
+                         int proportion,
+                         int flag,
+                         int border,
+                         wxObject* userData)
+           : m_minSize(width, height), // minimal size is the initial size
+             m_proportion(proportion),
+             m_border(border),
+             m_flag(flag),
+             m_userData(userData)
+{
+    SetSpacer(width, height);

 }
 
 wxSizerItem::~wxSizerItem()
 {
     delete m_userData;
 
 }
 
 wxSizerItem::~wxSizerItem()
 {
     delete m_userData;
 

-    if ( m_window )
+    switch ( m_kind )

     {
     {

-        m_window->SetContainingSizer(NULL);
-    }
-    else // we must be a sizer
-    {
-        delete m_sizer;
+        case Item_None:
+            break;
+
+        case Item_Window:
+            m_window->SetContainingSizer(NULL);
+            break;
+
+        case Item_Sizer:
+            delete m_sizer;
+            break;
+
+        case Item_Spacer:
+            delete m_spacer;
+            break;
+
+        case Item_Max:
+        default:
+            wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );

     }
 }
 
     }
 }
 

+wxSize wxSizerItem::GetSpacer() const
+{
+    wxSize size;
+    if ( m_kind == Item_Spacer )
+        size = m_spacer->GetSize();
+
+    return size;
+}
+

 
 wxSize wxSizerItem::GetSize() const
 {
     wxSize ret;
 
 wxSize wxSizerItem::GetSize() const
 {
     wxSize ret;

-    if (IsSizer())
-        ret = m_sizer->GetSize();
-    else
-    if (IsWindow())
-        ret = m_window->GetSize();
-    else ret = m_size;
+    switch ( m_kind )
+    {
+        case Item_None:
+            break;
+
+        case Item_Window:
+            ret = m_window->GetSize();
+            break;
+
+        case Item_Sizer:
+            ret = m_sizer->GetSize();
+            break;
+
+        case Item_Spacer:
+            ret = m_spacer->GetSize();
+            break;
+
+        case Item_Max:
+        default:
+            wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
+    }

 
     if (m_flag & wxWEST)
         ret.x += m_border;
 
     if (m_flag & wxWEST)
         ret.x += m_border;


@@ -294,53 +352,106 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size )
         size.y -= m_border;
     }
 
         size.y -= m_border;
     }
 

-    if (IsSizer())
-        m_sizer->SetDimension( pos.x, pos.y, size.x, size.y );
+    m_rect = wxRect(pos, size);
+
+    switch ( m_kind )
+    {
+        case Item_None:
+            wxFAIL_MSG( _T("can't set size of uninitialized sizer item") );
+            break;
+
+        case Item_Window:
+            m_window->SetSize(pos.x, pos.y, size.x, size.y,
+                              wxSIZE_ALLOW_MINUS_ONE);
+            break;

 
 

-    m_zoneRect = wxRect(pos, size);
-    if (IsWindow())
-        m_window->SetSize( pos.x, pos.y, size.x, size.y, wxSIZE_ALLOW_MINUS_ONE );
+        case Item_Sizer:
+            m_sizer->SetDimension(pos.x, pos.y, size.x, size.y);
+            break;
+
+        case Item_Spacer:
+            m_spacer->SetSize(size);
+            break;

 
 

-    m_size = size;
+        case Item_Max:
+        default:
+            wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
+    }

 }
 
 void wxSizerItem::DeleteWindows()
 {
 }
 
 void wxSizerItem::DeleteWindows()
 {

-    if (m_window)
+    switch ( m_kind )

     {
     {

-         m_window->Destroy();
-         m_window = NULL;
+        case Item_None:
+        case Item_Spacer:
+            break;
+
+        case Item_Window:
+            m_window->Destroy();
+            break;
+
+        case Item_Sizer:
+            m_sizer->DeleteWindows();
+            break;
+
+        case Item_Max:
+        default:
+            wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );

     }
 
     }
 

-    if (m_sizer)
-        m_sizer->DeleteWindows();
+    m_kind = Item_None;

 }
 
 }
 

-bool wxSizerItem::IsWindow() const
+void wxSizerItem::Show( bool show )

 {
 {

-    return (m_window != NULL);
-}
+    switch ( m_kind )
+    {
+        case Item_None:
+            wxFAIL_MSG( _T("can't show uninitialized sizer item") );
+            break;

 
 

-bool wxSizerItem::IsSizer() const
-{
-    return (m_sizer != NULL);
-}
+        case Item_Window:
+            m_window->Show(show);
+            break;

 
 

-bool wxSizerItem::IsSpacer() const
-{
-    return (m_window == NULL) && (m_sizer == NULL);
+        case Item_Sizer:
+            m_sizer->Show(show);
+            break;
+
+        case Item_Spacer:
+            m_spacer->Show(show);
+            break;
+
+        case Item_Max:
+        default:
+            wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
+    }

 }
 
 }
 

-void wxSizerItem::Show( bool show )
+bool wxSizerItem::IsShown() const

 {
 {

-    m_show = show;
+    switch ( m_kind )
+    {
+        case Item_None:
+            wxFAIL_MSG( _T("uninitialized sizer item") );
+            break;

 
 

-    if( IsWindow() )
-        m_window->Show( show );
-    else if( IsSizer() )
-        m_sizer->ShowItems( show );
+        case Item_Window:
+            return m_window->IsShown();

 
 

-    // ... nothing else to do to hide/show spacers
+        case Item_Sizer:
+            return m_sizer->IsShown();
+
+        case Item_Spacer:
+            return m_spacer->IsShown();
+
+        case Item_Max:
+        default:
+            wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
+    }
+
+    return false;

 }
 
 void wxSizerItem::SetOption( int option )
 }
 
 void wxSizerItem::SetOption( int option )


@@ -359,8 +470,8 @@ int wxSizerItem::GetOption() const
 //---------------------------------------------------------------------------
 
 wxSizer::wxSizer()
 //---------------------------------------------------------------------------
 
 wxSizer::wxSizer()

-        :m_minSize()

 {
 {

+    m_isShown = true;

 }
 
 wxSizer::~wxSizer()
 }
 
 wxSizer::~wxSizer()


@@ -372,7 +483,7 @@ wxSizerItem* wxSizer::Insert( size_t index, wxSizerItem *item )
 {
     m_children.Insert( index, item );
 
 {
     m_children.Insert( index, item );
 

-    if( item->GetWindow() )
+    if ( item->GetWindow() )

         item->GetWindow()->SetContainingSizer( this );
 
     return item;
         item->GetWindow()->SetContainingSizer( this );
 
     return item;


@@ -417,7 +528,7 @@ bool wxSizer::Remove( int index )
 
     wxSizerItem *item = node->GetData();
 
 
     wxSizerItem *item = node->GetData();
 

-    if( item->IsWindow() )
+    if ( item->IsWindow() )

         item->GetWindow()->SetContainingSizer( NULL );
 
     delete item;
         item->GetWindow()->SetContainingSizer( NULL );
 
     delete item;


@@ -481,9 +592,9 @@ bool wxSizer::Detach( int index )
 
     wxSizerItem *item = node->GetData();
 
 
     wxSizerItem *item = node->GetData();
 

-    if( item->IsSizer() )
+    if ( item->IsSizer() )

         item->DetachSizer();
         item->DetachSizer();

-    else if( item->IsWindow() )
+    else if ( item->IsWindow() )

         item->GetWindow()->SetContainingSizer( NULL );
 
     delete item;
         item->GetWindow()->SetContainingSizer( NULL );
 
     delete item;


@@ -620,7 +731,7 @@ wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const
 {
     wxSize maxSize( window->GetMaxSize() );
 
 {
     wxSize maxSize( window->GetMaxSize() );
 

-    if( maxSize != wxDefaultSize )
+    if ( maxSize != wxDefaultSize )

     {
         wxSize size( window->GetSize() );
         wxSize client_size( window->GetClientSize() );
     {
         wxSize size( window->GetSize() );
         wxSize client_size( window->GetClientSize() );