Changeset 1433 for trunk/src/user32/win32class.cpp

Timestamp:

Oct 25, 1999, 12:56:11 AM (26 years ago)

Author:

sandervl

Message:

class changes

File:

• trunk/src/user32/win32class.cpp (modified) (8 diffs)

trunk/src/user32/win32class.cpp

@@ -1 @@
-/* $Id: win32class.cpp,v 1.2 1999-10-21 19:23:51 sandervl Exp $ */
+/* $Id: win32class.cpp,v 1.3 1999-10-24 22:56:09 sandervl Exp $ */
 /*
  * Win32 Window Class Managment Code for OS/2
  *
+ * Copyright 1998-1999 Sander van Leeuwen (sandervl@xs4all.nl)
  *
- * Copyright 1998-1999 Sander van Leeuwen (sandervl@xs4all.nl)
+ *
+ * TODO: Right now all class atoms are global. This must be changed.
+ * TODO: Global atoms of classes with CS_GLOBALCLASS flag are not deleted
+ *       Must all be changed if we want to support global app classes
+ *       that can be used by other apps. (low priority)
+ *
+ * Project Odin Software License can be found in LICENSE.TXT
  *
  */
@@ -23 +30 @@
 {
   this->isUnicode = isUnicode;
+  processId = 0;
 
   if(HIWORD(wndclass->lpszClassName)) {
@@ -49 +57 @@
                 AsciiToUnicode(classNameA, classNameW);
         }
-        classAtom       = GlobalAddAtomA(classNameA);
+        classAtom = 0;
+        //SvL: If a system control has already be registered, use that atom instead
+        //     of creating a new one
+        if(wndclass->style & CS_GLOBALCLASS) {
+                classAtom = GlobalFindAtomA(classNameA);
+        }
+        if(!classAtom) classAtom = GlobalAddAtomA(classNameA);
   }
   else {
@@ -55 +69 @@
         classNameW      = NULL;
         classAtom       = (DWORD)wndclass->lpszClassName;
+  }
+  if(!(wndclass->style & CS_GLOBALCLASS)) {
+        processId = GetCurrentProcess();
   }
   menuNameA = 0;
@@ -106 +123 @@
 Win32WndClass::~Win32WndClass()
 {
-  if (classNameA) GlobalDeleteAtom(classAtom);
+  if(classNameA && (windowStyle & CS_GLOBALCLASS)) {
+        GlobalDeleteAtom(classAtom);
+  }
+
   if(userClassLong)     free(userClassLong);
   if(classNameA)        free(classNameA);
@@ -174 +194 @@
                 wndclass = (Win32WndClass *)wndclass->GetNext();
                 while(wndclass != NULL) {
-                        if(wndclass->classAtom == (DWORD)id/* && wndclass->hInstance == hInstance*/) {
+                        if(wndclass->classAtom == (DWORD)id /* && wndclass->hInstance == hInstance*/) {
                                 leaveMutex(OBJTYPE_CLASS);
                                 return(wndclass);
@@ -185 +205 @@
   dprintf(("Class %X (inst %X) not found!", id, hInstance));
   return(NULL);
+}
+//******************************************************************************
+//An app can only access another process' class if it's global
+//(all system classes are global)
+//NOTE: NOT USED NOW
+//******************************************************************************
+BOOL Win32WndClass::isAppClass(ULONG curProcessId)
+{
+  if(windowStyle & CS_GLOBALCLASS)
+        return TRUE;
+
+  return curProcessId = processId;
 }
 //******************************************************************************
@@ -427 +459 @@
 //******************************************************************************
 GenericObject *Win32WndClass::wndclasses = NULL;
-