unused variable warning fix (patch 923094)

[wxWidgets.git] / src / mgl / cursor.cpp

diff --git a/src/mgl/cursor.cpp b/src/mgl/cursor.cpp
index eb959e8ff8c3f6dfcf16a24867fea64e90e048df..3ec1a27da22be94a66daa724ec7a32e18a71c1ab 100644 (file)
--- a/src/mgl/cursor.cpp
+++ b/src/mgl/cursor.cpp
@@ -3,12 +3,12 @@
 // Purpose:
 // Author:      Vaclav Slavik
 // Id:          $Id$
-// Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
+// Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "cursor.h"
 #endif
 
@@ -20,9 +20,11 @@
 #endif
 
 #include "wx/cursor.h"
+#include "wx/module.h"
 #include "wx/utils.h"
 #include "wx/log.h"
 #include "wx/intl.h"
+#include "wx/hashmap.h"
 
 #include "wx/mgl/private.h"
 
@@ -51,9 +53,13 @@ wxCursorRefData::~wxCursorRefData()
     delete m_cursor;
 }
 
+#define M_CURSORDATA ((wxCursorRefData *)m_refData)
+
 //-----------------------------------------------------------------------------
 
-#define M_CURSORDATA ((wxCursorRefData *)m_refData)
+WX_DECLARE_HASH_MAP(int, wxCursor, wxIntegerHash, wxIntegerEqual, wxCursorsHash);
+
+static wxCursorsHash *gs_cursorsHash = NULL;
 
 IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject)
 
@@ -63,15 +69,23 @@ wxCursor::wxCursor()
 
 wxCursor::wxCursor(int cursorId)
 {
+    if ( !gs_cursorsHash )
+        gs_cursorsHash = new wxCursorsHash;
+
+    if ( gs_cursorsHash->find(cursorId) != gs_cursorsHash->end() )
+    {
+        wxLogTrace(_T("mglcursor"), _T("cursor id %i fetched from cache"), cursorId);
+        *this = (*gs_cursorsHash)[cursorId];
+        return;
+    }
+
     const char *cursorname = NULL;
     m_refData = new wxCursorRefData();
 
     switch (cursorId)
     {
-        // FIXME_MGL -- what about storing these default cursors in executable
-        //              as XPMs so that wxMGL binary wouldn't depend on 
-        //              tons of files in $MGL_ROOT/cursors? I don't know yet...
         case wxCURSOR_ARROW:           cursorname = "arrow.cur"; break;
+        case wxCURSOR_RIGHT_ARROW:     cursorname = "rightarr.cur"; break;
         case wxCURSOR_BULLSEYE:        cursorname = "bullseye.cur"; break;
         case wxCURSOR_CHAR:            cursorname = "char.cur"; break;
         case wxCURSOR_CROSS:           cursorname = "cross.cur"; break;
@@ -121,6 +135,12 @@ wxCursor::wxCursor(int cursorId)
         wxLogError(_("Couldn't create cursor."));
         UnRef();
     }
+    else
+    {
+        (*gs_cursorsHash)[cursorId] = *this;
+        wxLogTrace(_T("mglcursor"), _T("cursor id %i added to cache (%s)"), 
+                   cursorId, cursorname);
+    }
 }
 
 wxCursor::wxCursor(const char WXUNUSED(bits)[],
@@ -197,14 +217,21 @@ MGLCursor *wxCursor::GetMGLCursor() const
 // Global cursor setting
 // ----------------------------------------------------------------------------
 
-static wxCursor  g_globalCursor = wxNullCursor;
+static wxCursor  gs_globalCursor = wxNullCursor;
 
 void wxSetCursor(const wxCursor& cursor)
 {
     if ( cursor.Ok() )
     {
-        MGL_wmSetGlobalCursor(g_winMng, *cursor.GetMGLCursor());
-        g_globalCursor = cursor;
+        if ( g_winMng )
+            MGL_wmSetGlobalCursor(g_winMng, *cursor.GetMGLCursor());
+        gs_globalCursor = cursor;
+    }
+    else
+    {
+        if ( g_winMng )
+            MGL_wmSetGlobalCursor(g_winMng, NULL);
+        gs_globalCursor = wxNullCursor;        
     }
 }
 
@@ -224,7 +251,7 @@ const wxCursor &wxBusyCursor::GetStoredCursor()
 
 const wxCursor wxBusyCursor::GetBusyCursor()
 {
-    return wxCursor(wxCURSOR_WAIT);
+    return gs_globalCursor;
 }
 
 void wxEndBusyCursor()
@@ -242,7 +269,7 @@ void wxBeginBusyCursor(wxCursor *cursor)
     wxASSERT_MSG( !gs_savedCursor.Ok(),
                   wxT("forgot to call wxEndBusyCursor, will leak memory") );
 
-    gs_savedCursor = g_globalCursor;
+    gs_savedCursor = gs_globalCursor;
     if ( cursor->Ok() )
         wxSetCursor(*cursor);
     else
@@ -254,3 +281,24 @@ bool wxIsBusy()
     return (gs_busyCount > 0);
 }
 
+
+
+//-----------------------------------------------------------------------------
+// module - clean up code
+//-----------------------------------------------------------------------------
+
+class wxCursorModule : public wxModule
+{
+public:
+    virtual bool OnInit() { return TRUE; }
+    
+    virtual void OnExit()
+    {
+        wxDELETE(gs_cursorsHash);
+    }
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxCursorModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxCursorModule, wxModule)