Bail out if GetCurrentMenu returns NULL

[wxWidgets.git] / src / cocoa / menuitem.mm

diff --git a/src/cocoa/menuitem.mm b/src/cocoa/menuitem.mm
index a8795fe0534e70e311e328132009967fb9d203da..595ce117302f215f7aa8f0ff5a601178f773be85 100644 (file)
--- a/src/cocoa/menuitem.mm
+++ b/src/cocoa/menuitem.mm
@@ -4,8 +4,8 @@
 // Author:      David Elliott
 // Modified by:
 // Created:     2002/12/15
-// RCS-ID:      $Id: 
-// Copyright:   2002 David Elliott
+// RCS-ID:      $Id$
+// Copyright:   2002-2004 David Elliott
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -33,6 +33,7 @@
 #import <AppKit/NSMenuItem.h>
 #import <AppKit/NSMenu.h>
 #import <Foundation/NSString.h>
+#import <AppKit/NSCell.h> // NSOnState, NSOffState
 
 #if wxUSE_MENUS
 
@@ -55,7 +56,7 @@
 
 - (void)wxMenuItemAction: (id)sender
 {
-    wxLogDebug(wxT("wxMenuItemAction"));
+    wxLogTrace(wxTRACE_COCOA,wxT("wxMenuItemAction"));
     wxMenuItem *item = wxMenuItem::GetFromCocoa(sender);
     wxCHECK_RET(item,wxT("wxMenuItemAction received but no wxMenuItem exists!"));
 
@@ -72,8 +73,8 @@
 
 - (BOOL)validateMenuItem: (id)menuItem
 {
-    // TODO: Do wxWindows validation here and avoid sending during idle time
-    wxLogDebug(wxT("wxMenuItemAction"));
+    // TODO: Do wxWidgets validation here and avoid sending during idle time
+    wxLogTrace(wxTRACE_COCOA,wxT("wxMenuItemAction"));
     wxMenuItem *item = wxMenuItem::GetFromCocoa(menuItem);
     wxCHECK_MSG(item,NO,wxT("validateMenuItem received but no wxMenuItem exists!"));
     return item->IsEnabled();
@@ -81,20 +82,6 @@
 
 @end //implementation wxNSMenuItemTarget
 
-// ============================================================================
-// @class wxPoserNSMenuItem
-// ============================================================================
-@interface wxPoserNSMenuItem : NSMenuItem
-{
-}
-
-@end // wxPoserNSMenuItem
-
-WX_IMPLEMENT_POSER(wxPoserNSMenuItem);
-@implementation wxPoserNSMenuItem : NSMenuItem
-
-@end // wxPoseRNSMenuItem
-
 // ============================================================================
 // wxMenuItemCocoa implementation
 // ============================================================================
@@ -135,17 +122,22 @@ wxMenuItemCocoa::wxMenuItemCocoa(wxMenu *pParentMenu,
           : wxMenuItemBase(pParentMenu, itemid, strName, strHelp, kind, pSubMenu)
 {
     wxAutoNSAutoreleasePool pool;
-    NSString *menuTitle = wxInitNSStringWithWxString([NSString alloc],wxStripMenuCodes(strName));
-    m_cocoaNSMenuItem = [[NSMenuItem alloc] initWithTitle:menuTitle action:@selector(wxMenuItemAction:) keyEquivalent:@""];
-    sm_cocoaHash.insert(wxMenuItemCocoaHash::value_type(m_cocoaNSMenuItem,this));
-    [m_cocoaNSMenuItem setTarget:sm_cocoaTarget];
-    if(pSubMenu)
+    if(m_kind == wxITEM_SEPARATOR)
+        m_cocoaNSMenuItem = [[NSMenuItem separatorItem] retain];
+    else
     {
-        wxASSERT(pSubMenu->GetNSMenu());
-        [pSubMenu->GetNSMenu() setTitle:menuTitle];
-        [m_cocoaNSMenuItem setSubmenu:pSubMenu->GetNSMenu()];
+        NSString *menuTitle = wxInitNSStringWithWxString([NSString alloc],wxStripMenuCodes(strName));
+        m_cocoaNSMenuItem = [[NSMenuItem alloc] initWithTitle:menuTitle action:@selector(wxMenuItemAction:) keyEquivalent:@""];
+        sm_cocoaHash.insert(wxMenuItemCocoaHash::value_type(m_cocoaNSMenuItem,this));
+        [m_cocoaNSMenuItem setTarget:sm_cocoaTarget];
+        if(pSubMenu)
+        {
+            wxASSERT(pSubMenu->GetNSMenu());
+            [pSubMenu->GetNSMenu() setTitle:menuTitle];
+            [m_cocoaNSMenuItem setSubmenu:pSubMenu->GetNSMenu()];
+        }
+        [menuTitle release];
     }
-    [menuTitle release];
 }
 
 wxMenuItem::~wxMenuItem()
@@ -158,28 +150,85 @@ wxMenuItem::~wxMenuItem()
 // misc
 // ----------------------------------------------------------------------------
 
+void wxMenuItem::SetBitmaps(const wxBitmap& bmpChecked,
+        const wxBitmap& bmpUnchecked)
+{
+    wxCHECK_RET(m_kind != wxITEM_SEPARATOR, wxT("Separator items do not have bitmaps."));
+    wxAutoNSAutoreleasePool pool;
+    m_bmpChecked = bmpChecked;
+    m_bmpUnchecked = bmpUnchecked;
+    if(IsCheckable())
+    {
+        [m_cocoaNSMenuItem setOnStateImage: bmpChecked.GetNSImage(true)];
+        [m_cocoaNSMenuItem setOffStateImage: bmpUnchecked.GetNSImage(true)];
+    }
+    else
+    {
+        wxASSERT_MSG(!bmpUnchecked.Ok(),wxT("Normal menu items should only have one bitmap"));
+        [m_cocoaNSMenuItem setImage: bmpChecked.GetNSImage(true)];
+    }
+}
+
 // change item state
 // -----------------
 
 void wxMenuItem::Enable(bool bDoEnable)
 {
     wxMenuItemBase::Enable(bDoEnable);
+    // NOTE: Nothing to do, we respond to validateMenuItem instead
 }
 
-void wxMenuItem::Check(bool bDoCheck)
+void wxMenuItem::Check(bool check)
 {
     wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
-    wxMenuItemBase::Check(bDoCheck);
+    if(m_isChecked == check)
+        return;
+    wxAutoNSAutoreleasePool pool;
+    if(GetKind() == wxITEM_RADIO)
+    {
+        // it doesn't make sense to uncheck a radio item - what would this do?
+        if(!check)
+            return;
+        const wxMenuItemList& items = m_parentMenu->GetMenuItems();
+        // First search backwards for other radio items
+        wxMenuItemList::compatibility_iterator radioStart = items.Find(this);
+        for(wxMenuItemList::compatibility_iterator prevNode = radioStart;
+            prevNode && (prevNode->GetData()->GetKind() == wxITEM_RADIO);
+            prevNode = prevNode->GetPrevious())
+        {
+            radioStart = prevNode;
+        }
+        // Now starting there set the state of every item until we're
+        // out of radio items to set.
+        for(wxMenuItemList::compatibility_iterator node = radioStart;
+            node && (node->GetData()->GetKind() == wxITEM_RADIO);
+            node = node->GetNext())
+        {
+            wxMenuItem *item = node->GetData();
+            bool checkItem = (item == this);
+            item->wxMenuItemBase::Check(checkItem);
+            [item->m_cocoaNSMenuItem setState: checkItem?NSOnState:NSOffState];
+        }
+    }
+    else // normal check (non-radio) item
+    {
+        wxMenuItemBase::Check(check);
+        [m_cocoaNSMenuItem setState: check?NSOnState:NSOffState];
+    }
 }
 
 void wxMenuItem::SetText(const wxString& label)
 {
     wxMenuItemBase::SetText(label);
+    wxCHECK_RET(m_kind != wxITEM_SEPARATOR, wxT("Separator items do not have titles."));
+    [m_cocoaNSMenuItem setTitle: wxNSStringWithWxString(wxStripMenuCodes(label))];
 }
 
 void wxMenuItem::SetCheckable(bool checkable)
 {
+    wxCHECK_RET(m_kind != wxITEM_SEPARATOR, wxT("Separator items cannot be turned into normal menu items."));
     wxMenuItemBase::SetCheckable(checkable);
+    // NOTE: Cocoa does not discern between unchecked and normal items
 }
 
 #endif // wxUSE_MENUS