Guard against comparing invalid iterators, which produces an assertion

[wxWidgets.git] / src / generic / accel.cpp

diff --git a/src/generic/accel.cpp b/src/generic/accel.cpp
index ff0483376b0ad01b2af60abc5b8fc45961277b7a..f31532caa65fba5fb36568e77de762bb97911f50 100644 (file)
--- a/src/generic/accel.cpp
+++ b/src/generic/accel.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        generic/accel.cpp
+// Name:        src/generic/accel.cpp
 // Purpose:     generic implementation of wxAcceleratorTable class
 // Author:      Robert Roebling
 // Modified:    VZ pn 31.05.01: use typed lists, Unicode cleanup, Add/Remove
@@ -16,10 +16,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "accel.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -30,8 +26,8 @@
 #if wxUSE_ACCEL
 
 #ifndef WX_PRECOMP
-    #include "wx/event.h"
     #include "wx/list.h"
+    #include "wx/event.h"
 #endif // WX_PRECOMP
 
 #include "wx/accel.h"
@@ -44,7 +40,7 @@
 
 WX_DECLARE_LIST(wxAcceleratorEntry, wxAccelList);
 #include "wx/listimpl.cpp"
-WX_DEFINE_LIST(wxAccelList);
+WX_DEFINE_LIST(wxAccelList)
 
 // ----------------------------------------------------------------------------
 // wxAccelRefData: the data used by wxAcceleratorTable
@@ -55,16 +51,19 @@ class wxAccelRefData : public wxObjectRefData
 public:
     wxAccelRefData()
     {
-        m_accels.DeleteContents(TRUE);
     }
 
     wxAccelRefData(const wxAccelRefData& data)
         : wxObjectRefData()
     {
-        m_accels.DeleteContents(TRUE);
         m_accels = data.m_accels;
     }
 
+    virtual ~wxAccelRefData()
+    {
+        WX_CLEAR_LIST(wxAccelList, m_accels);
+    }
+
     wxAccelList m_accels;
 };
 
@@ -86,7 +85,7 @@ wxAcceleratorTable::wxAcceleratorTable()
 {
 }
 
-wxAcceleratorTable::wxAcceleratorTable(int n, wxAcceleratorEntry entries[])
+wxAcceleratorTable::wxAcceleratorTable(int n, const wxAcceleratorEntry entries[])
 {
     m_refData = new wxAccelRefData;
 
@@ -95,8 +94,8 @@ wxAcceleratorTable::wxAcceleratorTable(int n, wxAcceleratorEntry entries[])
         const wxAcceleratorEntry& entry = entries[i];
 
         int keycode = entry.GetKeyCode();
-        if ( wxIslower(keycode) )
-            keycode = wxToupper(keycode);
+        if ( isascii(keycode) )
+            keycode = toupper(keycode);
 
         M_ACCELDATA->m_accels.Append(new wxAcceleratorEntry(entry.GetFlags(),
                                                             keycode,
@@ -133,14 +132,19 @@ void wxAcceleratorTable::Remove(const wxAcceleratorEntry& entry)
 {
     AllocExclusive();
 
-    wxAccelList::Node *node = M_ACCELDATA->m_accels.GetFirst();
+    wxAccelList::compatibility_iterator node = M_ACCELDATA->m_accels.GetFirst();
     while ( node )
     {
         const wxAcceleratorEntry *entryCur = node->GetData();
 
-        if ( *entryCur == entry )
+        // given entry contains only the information of the accelerator key
+        // because it was set that way in wxGetAccelFromString()
+        // so do not perform full ( *entryCur == entry ) comparison
+        if ((entryCur->GetKeyCode() == entry.GetKeyCode()) &&
+            (entryCur->GetFlags() == entry.GetFlags()))
         {
-            M_ACCELDATA->m_accels.DeleteNode(node);
+            delete node->GetData();
+            M_ACCELDATA->m_accels.Erase(node);
 
             return;
         }
@@ -164,7 +168,7 @@ wxAcceleratorTable::GetEntry(const wxKeyEvent& event) const
         return NULL;
     }
 
-    wxAccelList::Node *node = M_ACCELDATA->m_accels.GetFirst();
+    wxAccelList::compatibility_iterator node = M_ACCELDATA->m_accels.GetFirst();
     while ( node )
     {
         const wxAcceleratorEntry *entry = node->GetData();
@@ -177,8 +181,7 @@ wxAcceleratorTable::GetEntry(const wxKeyEvent& event) const
             // now check flags
             if ( (((flags & wxACCEL_CTRL) != 0) == event.ControlDown()) &&
                  (((flags & wxACCEL_SHIFT) != 0) == event.ShiftDown()) &&
-                 (((flags & wxACCEL_ALT) != 0) ==
-                    (event.AltDown() || event.MetaDown())) )
+                 (((flags & wxACCEL_ALT) != 0) == event.AltDown()) )
             {
                 return entry;
             }
@@ -215,4 +218,3 @@ wxObjectRefData *wxAcceleratorTable::CloneRefData(const wxObjectRefData *data) c
 }
 
 #endif // wxUSE_ACCEL
-