]> git.saurik.com Git - wxWidgets.git/blobdiff - src/cocoa/menuitem.mm
[ 1509599 ] 'Split pickers page in widgets sample' with more icons and rebaking.
[wxWidgets.git] / src / cocoa / menuitem.mm
index ba92f411a82411b18362aec801eb98b2f586e687..140e2ead441e98b323076ad265bf430ce8856e0f 100644 (file)
@@ -1,11 +1,11 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        menuitem.cpp
+// Name:        src/cocoa/menuitem.mm
 // Purpose:     wxMenuItem implementation
 // 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
 ///////////////////////////////////////////////////////////////////////////////
 
 // ----------------------------------------------------------------------------
 
 #include "wx/wxprec.h"
+
+#if wxUSE_MENUS
+
+#include "wx/menuitem.h"
+
 #ifndef WX_PRECOMP
     #include "wx/menu.h"
-    #include "wx/menuitem.h"
     #include "wx/utils.h"
     #include "wx/frame.h"
     #include "wx/log.h"
 
 #include "wx/cocoa/ObjcPose.h"
 #include "wx/cocoa/autorelease.h"
+#include "wx/cocoa/string.h"
 
 #import <AppKit/NSMenuItem.h>
 #import <AppKit/NSMenu.h>
 #import <Foundation/NSString.h>
-
-#if wxUSE_MENUS
+#import <AppKit/NSCell.h> // NSOnState, NSOffState
+#import <AppKit/NSEvent.h> // modifier key masks
 
 // ----------------------------------------------------------------------------
 // functions prototypes
 }
 
 - (void)wxMenuItemAction: (id)sender;
+- (BOOL)validateMenuItem: (id)menuItem;
 @end //interface wxNSMenuItemTarget
 
 @implementation wxNSMenuItemTarget : NSObject
 
 - (void)wxMenuItemAction: (id)sender
 {
-    wxLogDebug("wxMenuItemAction");
+    wxLogTrace(wxTRACE_COCOA,wxT("wxMenuItemAction"));
     wxMenuItem *item = wxMenuItem::GetFromCocoa(sender);
-    wxCHECK_RET(item,"wxMenuItemAction received but no wxMenuItem exists!");
-
-    wxMenu *menu = item->GetMenu();
-    wxCHECK_RET(menu,"wxMenuItemAction received but wxMenuItem is not in a wxMenu");
-    wxMenuBar *menubar = menu->GetMenuBar();
-    if(menubar)
-    {
-        wxFrame *frame = menubar->GetFrame();
-        wxCHECK_RET(frame, "wxMenuBar MUST be attached to a wxFrame!");
-        frame->Command(item->GetId());
-    }
+    wxCHECK_RET(item,wxT("wxMenuItemAction received but no wxMenuItem exists!"));
+    item->CocoaItemSelected();
 }
 
-@end //implementation wxNSMenuItemTarget
-
-// ============================================================================
-// @class wxPoserNSMenuItem
-// ============================================================================
-@interface wxPoserNSMenuItem : NSMenuItem
+- (BOOL)validateMenuItem: (id)menuItem
 {
+    // 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->Cocoa_validateMenuItem();
 }
 
-@end // wxPoserNSMenuItem
-
-WX_IMPLEMENT_POSER(wxPoserNSMenuItem);
-@implementation wxPoserNSMenuItem : NSMenuItem
-
-@end // wxPoseRNSMenuItem
+@end //implementation wxNSMenuItemTarget
 
 // ============================================================================
 // wxMenuItemCocoa implementation
@@ -90,7 +82,7 @@ WX_IMPLEMENT_POSER(wxPoserNSMenuItem);
 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
 wxMenuItemCocoaHash wxMenuItemCocoa::sm_cocoaHash;
 
-struct objc_object *wxMenuItemCocoa::sm_cocoaTarget = [[wxNSMenuItemTarget alloc] init];
+wxObjcAutoRefFromAlloc<struct objc_object *> wxMenuItemCocoa::sm_cocoaTarget = [[wxNSMenuItemTarget alloc] init];
 
 // ----------------------------------------------------------------------------
 // wxMenuItemBase
@@ -112,6 +104,44 @@ wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
     return wxStripMenuCodes(text);
 }
 
+void wxMenuItemCocoa::CocoaSetKeyEquivalent()
+{
+    wxAcceleratorEntry *accel = GetAccel();
+    if(!accel)
+        return;
+
+    int accelFlags = accel->GetFlags();
+    int keyModifierMask = 0;
+    if(accelFlags & wxACCEL_ALT)
+        keyModifierMask |= NSAlternateKeyMask;
+    if(accelFlags & wxACCEL_CTRL)
+        keyModifierMask |= NSCommandKeyMask;
+    int keyCode = accel->GetKeyCode();
+    if(isalpha(keyCode))
+    {   // For alpha characters use upper/lower rather than NSShiftKeyMask
+        char alphaChar;
+        if(accelFlags & wxACCEL_SHIFT)
+            alphaChar = toupper(keyCode);
+        else
+            alphaChar = tolower(keyCode);
+        [m_cocoaNSMenuItem setKeyEquivalent:[NSString stringWithCString:&alphaChar length:1]];
+        [m_cocoaNSMenuItem setKeyEquivalentModifierMask:keyModifierMask];
+    }
+    else
+    {
+        if(accelFlags & wxACCEL_SHIFT)
+            keyModifierMask |= NSShiftKeyMask;
+        if(keyCode < 128) // low ASCII includes backspace/tab/etc.
+        {   char alphaChar = keyCode;
+            [m_cocoaNSMenuItem setKeyEquivalent:[NSString stringWithCString:&alphaChar length:1]];
+        }
+        else
+        {   // TODO
+        }
+        [m_cocoaNSMenuItem setKeyEquivalentModifierMask:keyModifierMask];
+    }
+}
+
 // ----------------------------------------------------------------------------
 // ctor & dtor
 // ----------------------------------------------------------------------------
@@ -124,17 +154,29 @@ wxMenuItemCocoa::wxMenuItemCocoa(wxMenu *pParentMenu,
           : wxMenuItemBase(pParentMenu, itemid, strName, strHelp, kind, pSubMenu)
 {
     wxAutoNSAutoreleasePool pool;
-    NSString *menuTitle = [[NSString alloc] initWithCString: wxStripMenuCodes(strName).c_str()];
-    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));
+        SEL action;
+        if(pSubMenu)
+            action = nil;
+        else
+            action = @selector(wxMenuItemAction:);
+        m_cocoaNSMenuItem = [[NSMenuItem alloc] initWithTitle:menuTitle action:action keyEquivalent:@""];
+        sm_cocoaHash.insert(wxMenuItemCocoaHash::value_type(m_cocoaNSMenuItem,this));
+        if(pSubMenu)
+        {
+            wxASSERT(pSubMenu->GetNSMenu());
+            [pSubMenu->GetNSMenu() setTitle:menuTitle];
+            [m_cocoaNSMenuItem setSubmenu:pSubMenu->GetNSMenu()];
+        }
+        else
+            [m_cocoaNSMenuItem setTarget: sm_cocoaTarget];
+        [menuTitle release];
+        CocoaSetKeyEquivalent();
     }
-    [menuTitle release];
 }
 
 wxMenuItem::~wxMenuItem()
@@ -143,32 +185,116 @@ wxMenuItem::~wxMenuItem()
     [m_cocoaNSMenuItem release];
 }
 
+void wxMenuItem::CocoaItemSelected()
+{
+    wxMenu *menu = GetMenu();
+    wxCHECK_RET(menu,wxT("wxMenuItemAction received but wxMenuItem is not in a wxMenu"));
+    wxMenuBar *menubar = menu->GetMenuBar();
+    if(menubar)
+    {
+        wxFrame *frame = menubar->GetFrame();
+        wxCHECK_RET(frame, wxT("wxMenuBar MUST be attached to a wxFrame!"));
+        frame->ProcessCommand(GetId());
+    }
+    else
+    {
+        if(IsCheckable())
+            Toggle();
+        GetMenu()->SendEvent(GetId(), IsCheckable()?IsChecked():-1);
+    }
+}
+
+bool wxMenuItem::Cocoa_validateMenuItem()
+{
+    // TODO: do more sanity checking
+    // TODO: Do wxWindows validation here and avoid sending during idle time
+    return IsEnabled();
+}
+
 // ----------------------------------------------------------------------------
 // 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(), "only checkable items may be checked" );
-    wxMenuItemBase::Check(bDoCheck);
+    wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
+    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))];
+    CocoaSetKeyEquivalent();
 }
 
 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