notify the event loop that synthesized events are on the queue, wait for them to...

[wxWidgets.git] / src / osx / cocoa / combobox.mm

diff --git a/src/osx/cocoa/combobox.mm b/src/osx/cocoa/combobox.mm
index 1666c33b83e687475b56dcee0521f3a6125fc618..c410bd23c4653583e6495052cad36e6b99541e14 100644 (file)
--- a/src/osx/cocoa/combobox.mm
+++ b/src/osx/cocoa/combobox.mm
@@ -4,7 +4,7 @@
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     1998-01-01
-// RCS-ID:      $Id: combobox.mm 54129 2008-06-11 19:30:52Z SC $
+// RCS-ID:      $Id$
 // Copyright:   (c) Stefan Csomor
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -14,6 +14,7 @@
 #if wxUSE_COMBOBOX
 
 #include "wx/combobox.h"
+#include "wx/evtloop.h"
 
 #ifndef WX_PRECOMP
     #include "wx/menu.h"
@@ -24,12 +25,17 @@
 
 // work in progress
 
-@interface wxNSComboBox : NSComboBox
+@interface wxNSTableDataSource : NSObject wxOSX_10_6_AND_LATER(<NSComboBoxDataSource>)
 {
+    wxNSComboBoxControl* impl;
 }
 
+- (NSInteger)numberOfItemsInComboBox:(NSComboBox *)aComboBox;
+- (id)comboBox:(NSComboBox *)aComboBox objectValueForItemAtIndex:(NSInteger)index;
+
 @end
 
+
 @implementation wxNSComboBox
 
 + (void)initialize
@@ -42,6 +48,33 @@
     }
 }
 
+- (void) dealloc
+{
+    [fieldEditor release];
+    [super dealloc];
+}
+
+// Over-riding NSComboBox onKeyDown method doesn't work for key events.
+// Ensure that we can use our own wxNSTextFieldEditor to catch key events.
+// See windowWillReturnFieldEditor in nonownedwnd.mm.
+// Key events will be caught and handled via wxNSTextFieldEditor onkey...
+// methods in textctrl.mm.
+
+- (void) setFieldEditor:(wxNSTextFieldEditor*) editor
+{
+    if ( editor != fieldEditor )
+    {
+        [editor retain];
+        [fieldEditor release];
+        fieldEditor = editor;
+    }
+}
+
+- (wxNSTextFieldEditor*) fieldEditor
+{
+    return fieldEditor;
+}
+
 - (void)controlTextDidChange:(NSNotification *)aNotification
 {
     wxUnusedVar(aNotification);
@@ -50,7 +83,7 @@
     {
         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
         if ( wxpeer ) {
-            wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, wxpeer->GetId());
+            wxCommandEvent event(wxEVT_TEXT, wxpeer->GetId());
             event.SetEventObject( wxpeer );
             event.SetString( static_cast<wxComboBox*>(wxpeer)->GetValue() );
             wxpeer->HandleWindowEvent( event );
@@ -64,15 +97,25 @@
     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
     if ( impl && impl->ShouldSendEvents())
     {
-        wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
+        wxComboBox* wxpeer = static_cast<wxComboBox*>(impl->GetWXPeer());
         if ( wxpeer ) {
-            wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, wxpeer->GetId());
+            const int sel = wxpeer->GetSelection();
+
+            wxCommandEvent event(wxEVT_COMBOBOX, wxpeer->GetId());
             event.SetEventObject( wxpeer );
-            event.SetInt( static_cast<wxComboBox*>(wxpeer)->GetSelection() );
+            event.SetInt( sel );
+            event.SetString( wxpeer->GetString(sel) );
             // For some reason, wxComboBox::GetValue will not return the newly selected item 
             // while we're inside this callback, so use AddPendingEvent to make sure
             // GetValue() returns the right value.
+            wxEventLoop* const loop = (wxEventLoop*) wxEventLoopBase::GetActive();
+            if ( loop )
+                loop->OSXUseLowLevelWakeup(true);
+
             wxpeer->GetEventHandler()->AddPendingEvent( event );
+
+            if ( loop )
+                loop->OSXUseLowLevelWakeup(false);
         }
     }
 }
@@ -95,9 +138,21 @@ int wxNSComboBoxControl::GetSelectedItem() const
 
 void wxNSComboBoxControl::SetSelectedItem(int item)
 {
-    wxASSERT_MSG(item >= 0 && item < [m_comboBox numberOfItems], "Inavlid item index.");
     SendEvents(false);
-    [m_comboBox selectItemAtIndex: item];
+
+    if ( item != wxNOT_FOUND )
+    {
+        wxASSERT_MSG( item >= 0 && item < [m_comboBox numberOfItems],
+                      "Inavlid item index." );
+        [m_comboBox selectItemAtIndex: item];
+    }
+    else // remove current selection (if we have any)
+    {
+        const int sel = GetSelectedItem();
+        if ( sel != wxNOT_FOUND )
+            [m_comboBox deselectItemAtIndex:sel];
+    }
+
     SendEvents(true);
 }
 
@@ -132,16 +187,32 @@ wxString wxNSComboBoxControl::GetStringAtIndex(int pos) const
 
 int wxNSComboBoxControl::FindString(const wxString& text) const
 {
-    int result = [m_comboBox indexOfItemWithObjectValue:wxCFStringRef( text , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
-    if (result == NSNotFound)
+    NSInteger nsresult = [m_comboBox indexOfItemWithObjectValue:wxCFStringRef( text , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
+
+    int result;
+    if (nsresult == NSNotFound)
         result = wxNOT_FOUND;
+    else
+        result = (int) nsresult;
     return result;
 }
 
+void wxNSComboBoxControl::Popup()
+{
+    id ax = NSAccessibilityUnignoredDescendant(m_comboBox);
+    [ax accessibilitySetValue: [NSNumber numberWithBool: YES] forAttribute: NSAccessibilityExpandedAttribute];
+}
+
+void wxNSComboBoxControl::Dismiss()
+{
+    id ax = NSAccessibilityUnignoredDescendant(m_comboBox);
+    [ax accessibilitySetValue: [NSNumber numberWithBool: NO] forAttribute: NSAccessibilityExpandedAttribute];
+}
+
 wxWidgetImplType* wxWidgetImpl::CreateComboBox( wxComboBox* wxpeer, 
                                     wxWindowMac* WXUNUSED(parent), 
                                     wxWindowID WXUNUSED(id), 
-                                    wxMenu* menu,
+                                    wxMenu* WXUNUSED(menu),
                                     const wxPoint& pos, 
                                     const wxSize& size,
                                     long style,