wxImage::Ok() now returns false for images with 0 width or height

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

diff --git a/src/common/list.cpp b/src/common/list.cpp
index 48a91d0d9ecdab1ffd70ff0179565db3cec6050c..1d647ddd273249276ef893ca71eaa872492513b7 100644 (file)
--- a/src/common/list.cpp
+++ b/src/common/list.cpp
@@ -16,8 +16,9 @@
 // -----------------------------------------------------------------------------
 // headers
 // -----------------------------------------------------------------------------
+
 #ifdef __GNUG__
-#pragma implementation "list.h"
+    #pragma implementation "list.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
@@ -52,7 +53,7 @@ bool wxListKey::operator==(wxListKeyValue value) const
     switch ( m_keyType )
     {
         default:
-            wxFAIL_MSG(_T("bad key type."));
+            wxFAIL_MSG(wxT("bad key type."));
             // let compiler optimize the line above away in release build
             // by not putting return here...
 
@@ -92,7 +93,7 @@ wxNodeBase::wxNodeBase(wxListBase *list,
             break;
 
         default:
-            wxFAIL_MSG(_T("invalid key type"));
+            wxFAIL_MSG(wxT("invalid key type"));
     }
 
     if ( previous )
@@ -120,7 +121,7 @@ wxNodeBase::~wxNodeBase()
 
 int wxNodeBase::IndexOf() const
 {
-    wxCHECK_MSG( m_list, wxNOT_FOUND, _T("node doesn't belong to a list in IndexOf"));
+    wxCHECK_MSG( m_list, wxNOT_FOUND, wxT("node doesn't belong to a list in IndexOf"));
 
     // It would be more efficient to implement IndexOf() completely inside
     // wxListBase (only traverse the list once), but this is probably a more
@@ -163,18 +164,48 @@ wxListBase::wxListBase(size_t count, void *elements[])
 void wxListBase::DoCopy(const wxListBase& list)
 {
     wxASSERT_MSG( !list.m_destroy,
-                  _T("copying list which owns it's elements is a bad idea") );
+                  wxT("copying list which owns it's elements is a bad idea") );
 
-    m_count = list.m_count;
     m_destroy = list.m_destroy;
     m_keyType = list.m_keyType;
     m_nodeFirst =
     m_nodeLast = (wxNodeBase *) NULL;
 
-    for ( wxNodeBase *node = list.GetFirst(); node; node = node->GetNext() )
+    switch (m_keyType)
     {
-        Append(node);
+        case wxKEY_INTEGER:
+            {
+                long key;
+                for ( wxNodeBase *node = list.GetFirst(); node; node = node->GetNext() )
+                {
+                    key = node->GetKeyInteger();
+                    Append(key, node->GetData());
+                }
+                break;
+            }
+
+        case wxKEY_STRING:
+            {
+                const wxChar *key;
+                for ( wxNodeBase *node = list.GetFirst(); node; node = node->GetNext() )
+                {
+                    key = node->GetKeyString();
+                    Append(key, node->GetData());
+                }
+                break;
+            }
+
+        default:
+            {
+                for ( wxNodeBase *node = list.GetFirst(); node; node = node->GetNext() )
+                {
+                    Append(node->GetData());
+                }
+                break;
+            }
     }
+
+    wxASSERT_MSG( m_count == list.m_count, _T("logic error in wxList::DoCopy") );
 }
 
 wxListBase::~wxListBase()
@@ -210,9 +241,12 @@ wxNodeBase *wxListBase::Append(void *object)
 {
     // all objects in a keyed list should have a key
     wxCHECK_MSG( m_keyType == wxKEY_NONE, (wxNodeBase *)NULL,
-                 _T("need a key for the object to append") );
+                 wxT("need a key for the object to append") );
 
-    wxNodeBase *node = CreateNode(m_nodeLast, (wxNodeBase *)NULL, object);
+    // we use wxDefaultListKey even though it is the default parameter value
+    // because gcc under Mac OS X seems to miscompile this call otherwise
+    wxNodeBase *node = CreateNode(m_nodeLast, (wxNodeBase *)NULL, object,
+                                  wxDefaultListKey);
 
     return AppendCommon(node);
 }
@@ -222,7 +256,7 @@ wxNodeBase *wxListBase::Append(long key, void *object)
     wxCHECK_MSG( (m_keyType == wxKEY_INTEGER) ||
                  (m_keyType == wxKEY_NONE && m_count == 0),
                  (wxNodeBase *)NULL,
-                 _T("can't append object with numeric key to this list") );
+                 wxT("can't append object with numeric key to this list") );
 
     wxNodeBase *node = CreateNode(m_nodeLast, (wxNodeBase *)NULL, object, key);
     return AppendCommon(node);
@@ -233,7 +267,7 @@ wxNodeBase *wxListBase::Append (const wxChar *key, void *object)
     wxCHECK_MSG( (m_keyType == wxKEY_STRING) ||
                  (m_keyType == wxKEY_NONE && m_count == 0),
                  (wxNodeBase *)NULL,
-                 _T("can't append object with string key to this list") );
+                 wxT("can't append object with string key to this list") );
 
     wxNodeBase *node = CreateNode(m_nodeLast, (wxNodeBase *)NULL, object, key);
     return AppendCommon(node);
@@ -243,10 +277,10 @@ wxNodeBase *wxListBase::Insert(wxNodeBase *position, void *object)
 {
     // all objects in a keyed list should have a key
     wxCHECK_MSG( m_keyType == wxKEY_NONE, (wxNodeBase *)NULL,
-                 _T("need a key for the object to insert") );
+                 wxT("need a key for the object to insert") );
 
     wxCHECK_MSG( !position || position->m_list == this, (wxNodeBase *)NULL,
-                 _T("can't insert before a node from another list") );
+                 wxT("can't insert before a node from another list") );
 
     // previous and next node for the node being inserted
     wxNodeBase *prev, *next;
@@ -262,7 +296,8 @@ wxNodeBase *wxListBase::Insert(wxNodeBase *position, void *object)
         next = m_nodeFirst;
     }
 
-    wxNodeBase *node = CreateNode(prev, next, object);
+    // wxDefaultListKey: see comment in Append() above
+    wxNodeBase *node = CreateNode(prev, next, object, wxDefaultListKey);
     if ( !m_nodeFirst )
     {
         m_nodeLast = node;
@@ -288,7 +323,7 @@ wxNodeBase *wxListBase::Item(size_t n) const
         }
     }
 
-    wxFAIL_MSG( _T("invalid index in wxListBase::Item") );
+    wxFAIL_MSG( wxT("invalid index in wxListBase::Item") );
 
     return (wxNodeBase *)NULL;
 }
@@ -296,7 +331,7 @@ wxNodeBase *wxListBase::Item(size_t n) const
 wxNodeBase *wxListBase::Find(const wxListKey& key) const
 {
     wxASSERT_MSG( m_keyType == key.GetKeyType(),
-                  _T("this list is not keyed on the type of this key") );
+                  wxT("this list is not keyed on the type of this key") );
 
     for ( wxNodeBase *current = GetFirst(); current; current = current->GetNext() )
     {
@@ -349,9 +384,9 @@ void wxListBase::DoDeleteNode(wxNodeBase *node)
 
 wxNodeBase *wxListBase::DetachNode(wxNodeBase *node)
 {
-    wxCHECK_MSG( node, NULL, _T("detaching NULL wxNodeBase") );
+    wxCHECK_MSG( node, NULL, wxT("detaching NULL wxNodeBase") );
     wxCHECK_MSG( node->m_list == this, NULL,
-                 _T("detaching node which is not from this list") );
+                 wxT("detaching node which is not from this list") );
 
     // update the list
     wxNodeBase **prevNext = node->GetPrevious() ? &node->GetPrevious()->m_next
@@ -549,6 +584,7 @@ void wxStringList::DoCopy(const wxStringList& other)
 // Makes new storage for the strings
 wxStringList::wxStringList (const wxChar *first, ...)
 {
+  DeleteContents(TRUE);
   if ( !first )
     return;