tables: add onSelectionChanged support to OSX version

darwin/table.m

@@ -69,6 +69,56 @@ @interface tableView : NSTableView
  void *onSelectionChangedData;
 };
 
+@interface tableDelegateClass : NSObject {
+ struct mapTable *tables;
+}
+- (void)tableViewSelectionDidChange:(NSNotification *)notification;
+- (void)registerTable:(uiTable *)t;
+- (void)unregisterTable:(uiTable *)t;
+@end
+
+@implementation tableDelegateClass
+
+- (id)init
+{
+ self = [super init];
+ if (self)
+ self->tables = newMap();
+ return self;
+}
+
+- (void)dealloc
+{
+ mapDestroy(self->tables);
+ [super dealloc];
+}
+
+- (void)tableViewSelectionDidChange:(NSNotification *)notification
+{
+ uiTable *t;
+
+ t = (uiTable *) mapGet(self->tables, notification);
+ (*(t->onSelectionChanged))(t, t->onSelectionChangedData);
+}
+
+- (void)registerTable:(uiTable *)t
+{
+ mapSet(self->tables, t->tv, t);
+ [t->tv setTarget:self];
+ [t->tv setAction:@selector(tableViewSelectionDidChange:)];
+}
+
+- (void)unregisterTable:(uiTable *)t
+{
+ [t->tv setTarget:nil];
+ mapDelete(self->tables, t->tv);
+}
+
+@end
+
+static tableDelegateClass *tableDelegate = nil;
+
+
 @implementation tableModel
 
 - (id)initWithModel:(uiTableModel *)m
@@ -512,6 +562,7 @@ static void uiTableDestroy(uiControl *c)
 {
  uiTable *t = uiTable(c);
 
+ [tableDelegate unregisterTable:t];
  // TODO
  [t->sv release];
  uiFreeControl(uiControl(t));
@@ -547,39 +598,39 @@ void uiTableOnSelectionChanged(uiTable *t, void (*f)(uiTable *, void *), void *d
 }
 
 struct uiTableIter {
- NSIndexSet *set;
- int foo;
- NSUInteger curr;
+ NSIndexSet *set;
+ int foo;
+ NSUInteger curr;
 };
 
 uiTableIter* uiTableGetSelection(uiTable *t)
 {
- uiTableIter *it = uiAlloc(sizeof(uiTableIter), "uiTableIter");
- it->set = [t->tv selectedRowIndexes];
- it->foo = 0;
+ uiTableIter *it = uiAlloc(sizeof(uiTableIter), "uiTableIter");
+ it->set = [t->tv selectedRowIndexes];
+ it->foo = 0;
 
- it->curr = [it->set firstIndex];
- return it;
+ it->curr = [it->set firstIndex];
+ return it;
 }
 
 
 int uiTableIterAdvance(uiTableIter *it)
 {
- if (it->foo>0) {
- it->curr = [it->set indexGreaterThanIndex:it->curr];
- }
- it->foo++;
- return (it->curr==NSNotFound) ? 0:1;
+ if (it->foo>0) {
+ it->curr = [it->set indexGreaterThanIndex:it->curr];
+ }
+ it->foo++;
+ return (it->curr==NSNotFound) ? 0:1;
 }
 
 int uiTableIterCurrent(uiTableIter *it)
 {
- return (int)it->curr;
+ return (int)it->curr;
 }
 
 void uiTableIterComplete(uiTableIter *it)
 {
- uiFree(it);
+ uiFree(it);
 }
 
 uiTable *uiNewTable(uiTableModel *model, int styleFlags)
@@ -626,5 +677,10 @@ void uiTableIterComplete(uiTableIter *it)
 
  t->backgroundColumn = -1;
 
+ if (tableDelegate == nil) {
+ tableDelegate = [[tableDelegateClass new] autorelease];
+ [delegates addObject:tableDelegate];
+ }
+ [tableDelegate registerTable:t];
  return t;
 }