Add support for Cocoa's selectable toolbar items.

The support is currently limited to making all toolbar items selectable
and is only available in wxOSX with Cocoa and native toolbars.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73575 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/toolbar.h

@@ -72,6 +72,10 @@ class WXDLLIMPEXP_CORE wxToolBar: public wxToolBarBase
 #endif
 
 #if wxOSX_USE_NATIVE_TOOLBAR
+    // make all tools selectable
+    void OSXSetSelectableTools(bool set);
+    void OSXSelectTool(int toolId);
+
     bool MacInstallNativeToolbar(bool usesNative);
     void MacUninstallNativeToolbar();
     bool MacWantsNativeToolbar();

src/osx/cocoa/toolbar.mm

@@ -305,8 +305,11 @@ private:
 
 @interface wxNSToolbarDelegate : NSObject wxOSX_10_6_AND_LATER(<NSToolbarDelegate>)
 {
+    bool m_isSelectable;
 }
 
+- (void)setSelectable:(bool) value;
+
 - (NSToolbarItem *)toolbar:(NSToolbar *)toolbar itemForItemIdentifier:(NSString *)itemIdentifier willBeInsertedIntoToolbar:(BOOL)flag;
 
 - (NSArray *)toolbarDefaultItemIdentifiers:(NSToolbar*)toolbar;
@@ -363,6 +366,17 @@ private:
 
 @implementation wxNSToolbarDelegate
 
+- (id)init
+{
+    m_isSelectable = false;
+    return [super init];
+}
+
+- (void)setSelectable:(bool) value
+{
+    m_isSelectable = true;
+}
+
 - (NSArray *)toolbarDefaultItemIdentifiers:(NSToolbar*)toolbar
 {
     wxUnusedVar(toolbar);
@@ -377,8 +391,10 @@ private:
 
 - (NSArray *)toolbarSelectableItemIdentifiers:(NSToolbar *)toolbar
 {
-    wxUnusedVar(toolbar);
+  if ( m_isSelectable )
-    return nil;
+      return [[toolbar items] valueForKey:@"itemIdentifier"];
+  else
+      return nil;
 }
 
 - (NSToolbarItem*) toolbar:(NSToolbar*) toolbar itemForItemIdentifier:(NSString*) itemIdentifier willBeInsertedIntoToolbar:(BOOL) flag
@@ -1609,4 +1625,23 @@ void wxToolBar::OnPaint(wxPaintEvent& event)
     event.Skip();
 }
 
+#if wxOSX_USE_NATIVE_TOOLBAR
+void wxToolBar::OSXSetSelectableTools(bool set)
+{
+    wxCHECK_RET( m_macToolbar, "toolbar must be non-NULL" );
+    [(wxNSToolbarDelegate*)[(NSToolbar*)m_macToolbar delegate] setSelectable:set];
+}
+
+void wxToolBar::OSXSelectTool(int toolId)
+{
+    wxToolBarToolBase *tool = FindById(toolId);
+    wxCHECK_RET( tool, "invalid tool ID" );
+    wxCHECK_RET( m_macToolbar, "toolbar must be non-NULL" );
+
+    wxString identifier = wxString::Format(wxT("%ld"), (long)tool);
+    wxCFStringRef cfidentifier(identifier, wxFont::GetDefaultEncoding());
+    [(NSToolbar*)m_macToolbar setSelectedItemIdentifier:cfidentifier.AsNSString()];
+}
+#endif // wxOSX_USE_NATIVE_TOOLBAR
+
 #endif // wxUSE_TOOLBAR