Fit modeless preferences dialog to its contents too.

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

diff --git a/src/osx/cocoa/combobox.mm b/src/osx/cocoa/combobox.mm
index 3cdb19e247a219aadbc2e6fa666c3649d6b0d929..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
@@ -42,15 +48,42 @@
     }
 }
 
+- (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);
     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
-    if ( impl )
+    if ( impl && impl->ShouldSendEvents() )
     {
         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 );
@@ -62,23 +95,34 @@
 {
     wxUnusedVar(notification);
     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
-    if ( impl )
+    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);
         }
     }
 }
 @end
 
-wxNSComboBoxControl::wxNSComboBoxControl( wxWindow *wxPeer, WXWidget w ) : wxNSTextFieldControl(wxPeer, w)
+wxNSComboBoxControl::wxNSComboBoxControl( wxComboBox *wxPeer, WXWidget w )
+    : wxNSTextFieldControl(wxPeer, wxPeer, w)
 {
     m_comboBox = (NSComboBox*)w;
 }
@@ -94,8 +138,22 @@ int wxNSComboBoxControl::GetSelectedItem() const
 
 void wxNSComboBoxControl::SetSelectedItem(int item)
 {
-    wxASSERT_MSG(item >= 0 && item < [m_comboBox numberOfItems], "Inavlid item index.");
-    [m_comboBox selectItemAtIndex: item];
+    SendEvents(false);
+
+    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);
 }
 
 int wxNSComboBoxControl::GetNumberOfItems() const
@@ -110,12 +168,16 @@ void wxNSComboBoxControl::InsertItem(int pos, const wxString& item)
 
 void wxNSComboBoxControl::RemoveItem(int pos)
 {
+    SendEvents(false);
     [m_comboBox removeItemAtIndex:pos];
+    SendEvents(true);
 }
 
 void wxNSComboBoxControl::Clear()
 {
+    SendEvents(false);
     [m_comboBox removeAllItems];
+    SendEvents(true);
 }
 
 wxString wxNSComboBoxControl::GetStringAtIndex(int pos) const
@@ -125,16 +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;
 }
 
-wxWidgetImplType* wxWidgetImpl::CreateComboBox( wxWindowMac* wxpeer, 
+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, 
@@ -148,4 +226,33 @@ wxWidgetImplType* wxWidgetImpl::CreateComboBox( wxWindowMac* wxpeer,
     return c;
 }
 
-#endif // wxUSE_COMBOBOX
\ No newline at end of file
+wxSize wxComboBox::DoGetBestSize() const
+{
+    int lbWidth = GetCount() > 0 ? 20 : 100;  // some defaults
+    wxSize baseSize = wxWindow::DoGetBestSize();
+    int lbHeight = baseSize.y;
+    int wLine;
+    
+    {
+        wxClientDC dc(const_cast<wxComboBox*>(this));
+        
+        // Find the widest line
+        for(unsigned int i = 0; i < GetCount(); i++)
+        {
+            wxString str(GetString(i));
+            
+            wxCoord width, height ;
+            dc.GetTextExtent( str , &width, &height);
+            wLine = width ;
+            
+            lbWidth = wxMax( lbWidth, wLine ) ;
+        }
+        
+        // Add room for the popup arrow
+        lbWidth += 2 * lbHeight ;
+    }
+    
+    return wxSize( lbWidth, lbHeight );
+}
+
+#endif // wxUSE_COMBOBOX