Implement text update events so the spin control works better.

Copyright 2007 Software 2000 Ltd.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@50334 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/textctrl.h

@@ -51,6 +51,11 @@ public:
 protected:
     virtual void Cocoa_didChangeText(void);
     virtual void CocoaTarget_action(void);
+public: // We can't make an Objective-C class or method a friend
+    // These are the new (non-virtual for ABI compatibility) messages:
+    void CocoaNotification_controlTextDidChange(WX_NSNotification notification);
+    void CocoaNotification_controlTextDidEndEditing(WX_NSNotification notification);
+    void CocoaNotification_controlTextDidBeginEditing(WX_NSNotification notification);
 // ------------------------------------------------------------------------
 // Implementation
 // ------------------------------------------------------------------------

src/cocoa/textctrl.mm

@@ -21,6 +21,7 @@
 #include "wx/cocoa/string.h"
 
 #include "wx/cocoa/autorelease.h"
+#include "wx/cocoa/ObjcRef.h"
 
 #import <Foundation/NSString.h>
 #import <AppKit/NSTextField.h>
@@ -32,8 +33,9 @@
 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 END_EVENT_TABLE()
-WX_IMPLEMENT_COCOA_OWNER(wxTextCtrl,NSTextField,NSControl,NSView)
 
+// Replaced by special 2.8 code:
+//WX_IMPLEMENT_COCOA_OWNER(wxTextCtrl,NSTextField,NSControl,NSView)
 bool wxTextCtrl::Create(wxWindow *parent, wxWindowID winid,
             const wxString& value,
             const wxPoint& pos,
@@ -270,3 +272,67 @@ wxSize wxTextCtrl::DoGetBestSize() const
     wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxTextCtrl=%p::DoGetBestSize()==(%d,%d)"),this,size.x,size.y);
     return size;
 }
+
+///////////////////////////////////////////////////////////////////////////
+// Added within the 2.8 release cycle, just after 2.8.7:
+
+@interface WXNSTextFieldDelegate : NSObject
+{
+}
+
+- (void)controlTextDidChange:(NSNotification*)notification;
+@end // @interface WXNSTextFieldDelegate : NSObject
+
+WX_DECLARE_HASH_MAP(WX_NSTextField, wxTextCtrl*, wxPointerHash, wxPointerEqual, wxCocoaNSTextField_wxTextCtrl_Hash);
+
+static wxCocoaNSTextField_wxTextCtrl_Hash sg_textField_textCtrl_hash;
+static wxObjcAutoRefFromAlloc<WXNSTextFieldDelegate*> sg_cocoaDelegate([[WXNSTextFieldDelegate alloc] init]);
+
+static inline wxTextCtrl* GetTextCtrlFromCocoaTextField(WX_NSTextField cocoaObjcClass)
+{
+    wxCocoaNSTextField_wxTextCtrl_Hash::iterator iter = sg_textField_textCtrl_hash.find(cocoaObjcClass);
+    if(iter != sg_textField_textCtrl_hash.end())
+        return iter->second;
+    return NULL;
+}
+
+void wxTextCtrl::SetNSTextField(WX_NSTextField cocoaObjcClass)
+{
+    DisassociateNSTextField((WX_NSTextField)m_cocoaNSView);
+    if(m_cocoaNSView)
+    {
+        sg_textField_textCtrl_hash.erase((WX_NSTextField)m_cocoaNSView);
+        [(WX_NSTextField)m_cocoaNSView setDelegate:nil];
+    }
+    SetNSControl(cocoaObjcClass);
+    AssociateNSTextField((WX_NSTextField)m_cocoaNSView);
+    if(m_cocoaNSView)
+    {
+        sg_textField_textCtrl_hash.insert(wxCocoaNSTextField_wxTextCtrl_Hash::value_type((WX_NSTextField)m_cocoaNSView, this));
+        [(WX_NSTextField)m_cocoaNSView setDelegate:sg_cocoaDelegate];
+    }
+}
+
+inline void wxTextCtrl::CocoaNotification_controlTextDidChange(WX_NSNotification notification)
+{
+    wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
+
+    // See wxTextCtrlBase::SendTextUpdatedEvent for why we don't set the string.
+    //event.SetString(GetValue());
+
+    event.SetEventObject(this);
+    GetEventHandler()->ProcessEvent(event);
+}
+
+@implementation WXNSTextFieldDelegate : NSObject
+
+- (void)controlTextDidChange:(NSNotification*)notification
+{
+    wxTextCtrl *tc = GetTextCtrlFromCocoaTextField([notification object]);
+    if(tc != NULL)
+        tc->CocoaNotification_controlTextDidChange(notification);
+}
+
+
+@end // @implementation WXNSTextFieldDelegate : NSObject
+