Correction to cleaning targets and remove additional temporary files.

Initial implementation of view focusing.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@1633 72102866-910b-0410-8b05-ffd578937521

Source/Makefile.in

@@ -312,6 +312,7 @@ clean:
 	rm -f *~
 	rm -f *$(oext)
 	rm -f $(MAIN_FILE)$(libext)
+	rm -f $(INIT_FILE).c
 distclean: clean
 	rm -f Makefile
 maintainer-clean: distclean

Source/NSDPSContext.m

@@ -135,20 +135,27 @@ BOOL GNU_CONTEXT_SYNCHRONIZED;
 + (NSDPSContext *)currentContext
 {
   NSThread *current_thread = [NSThread currentThread];
-  NSDPSContext *current_context;
+  NSDPSContext *current_context = nil;
 
+  NSLog(@"NSDPSContext: +currentContext\n");
   // Get current context for current thread
   [GNU_CONTEXT_LOCK lock];
+  NSLog(@"NSDPSContext: enter critical section\n");
   current_context = [GNU_CONTEXT_THREAD_DICT objectForKey: current_thread];
+  NSLog(@"NSDPSContext: Looked in context dictionary\n");
 
   // If not in dictionary then create one
   if (!current_context)
     {
+      NSLog(@"NSDPSContext: Did not find context so create it\n");
       current_context = [[NSDPSContext alloc] init];
+      NSLog(@"NSDPSContext: set the context\n");
       [self setCurrentContext: current_context];
     }
   [GNU_CONTEXT_LOCK unlock];
+  NSLog(@"NSDPSContext: exit critical section\n");
 
+  NSLog(@"NSDPSContext: return from +currentContext\n");
   return current_context;
 }
 
@@ -156,16 +163,26 @@ BOOL GNU_CONTEXT_SYNCHRONIZED;
 {
   NSThread *current_thread = [NSThread currentThread];
 
+  NSLog(@"NSDPSContext: +setCurrentContext\n");
   [GNU_CONTEXT_LOCK lock];
+  NSLog(@"NSDPSContext: enter critical section\n");
 
   // If no context then remove from dictionary
   if (!context)
+    {
+      NSLog(@"NSDPSContext: remove from dictionary\n");
       [GNU_CONTEXT_THREAD_DICT removeObjectForKey: current_thread];
+    }
   else
+    {
+      NSLog(@"NSDPSContext: add to dictionary\n");
       [GNU_CONTEXT_THREAD_DICT setObject: context 
 			       forKey: current_thread];
+    }
 
   [GNU_CONTEXT_LOCK unlock];
+  NSLog(@"NSDPSContext: exit critical section\n");
+  NSLog(@"NSDPSContext: return from +setCurrentContext\n");
 }
 
 - (NSDPSContext *)DPSContext

Source/NSView.m

@@ -31,6 +31,15 @@
 #include <gnustep/gui/NSView.h>
 #include <gnustep/gui/NSWindow.h>
 #include <gnustep/base/NSCoder.h>
+#include <gnustep/base/NSDictionary.h>
+#include <gnustep/base/NSThread.h>
+#include <gnustep/base/NSLock.h>
+
+//
+// Class variables
+//
+NSMutableDictionary *gnustep_gui_nsview_thread_dict;
+NSRecursiveLock *gnustep_gui_nsview_lock;
 
 // NSView notifications
 NSString *NSViewFrameChangedNotification;
@@ -52,15 +61,72 @@ NSString *NSViewFocusChangedNotification;
 
       // Initial version
       [self setVersion:1];
+
+      // Allocate dictionary for maintaining
+      // mapping of threads to focused views
+      gnustep_gui_nsview_thread_dict = [NSMutableDictionary dictionary];
+      // Create lock for serializing access to dictionary
+      gnustep_gui_nsview_lock = [[NSRecursiveLock alloc] init];
     }
 }
 
 //
 // Focusing
 //
+// +++ Really each thread should have a stack!
+//
++ (void)pushFocusView:(NSView *)focusView
+{
+  NSThread *current_thread = [NSThread currentThread];
+
+  NSLog(@"NSView: +pushFocusView\n");
+  [gnustep_gui_nsview_lock lock];
+  NSLog(@"NSView: enter critical section\n");
+
+  // If no context then remove from dictionary
+  if (!focusView)
+    {
+      NSLog(@"NSView: remove from dictionary\n");
+      [gnustep_gui_nsview_thread_dict removeObjectForKey: current_thread];
+    }
+  else
+    {
+      NSLog(@"NSView: add to dictionary\n");
+      [gnustep_gui_nsview_thread_dict setObject: focusView 
+				      forKey: current_thread];
+    }
+
+  [gnustep_gui_nsview_lock unlock];
+  NSLog(@"NSView: exit critical section\n");
+  NSLog(@"NSView: return from +pushFocusView\n");
+}
+
++ (NSView *)popFocusView
+{}
+
 + (NSView *)focusView
 {
-  return nil;
+  NSThread *current_thread = [NSThread currentThread];
+  NSView *current_view = nil;
+
+  NSLog(@"NSView: +focusView\n");
+  // Get focused view for current thread
+  [gnustep_gui_nsview_lock lock];
+  NSLog(@"NSView: enter critical section\n");
+  current_view = [gnustep_gui_nsview_thread_dict objectForKey: current_thread];
+  NSLog(@"NSView: Looked in view dictionary\n");
+
+  // If not in dictionary then no focused view
+  if (!current_view)
+      NSLog(@"NSView: Did not find a view\n");
+  else
+      NSLog(@"NSView: Found a view\n");
+
+  [gnustep_gui_nsview_lock unlock];
+  NSLog(@"NSView: exit critical section\n");
+
+  NSLog(@"NSView: return from +focusView\n");
+  return current_view;
 }
 
 //
@@ -520,10 +586,12 @@ relativeTo:(NSView *)otherView
 //
 - (void)lockFocus
 {
+  [[self class] pushFocusView: self];
 }
 
 - (void)unlockFocus
 {
+  [[self class] popFocusView];
 }
 
 //