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dexed/JuceLibraryCode/modules/juce_gui_basics/native/juce_mac_MainMenu.mm

750 lines
28 KiB

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
class JuceMainMenuHandler : private MenuBarModel::Listener,
private DeletedAtShutdown
{
public:
JuceMainMenuHandler()
: currentModel (nullptr),
lastUpdateTime (0),
isOpen (false)
{
static JuceMenuCallbackClass cls;
callback = [cls.createInstance() init];
JuceMenuCallbackClass::setOwner (callback, this);
}
~JuceMainMenuHandler()
{
setMenu (nullptr, nullptr, String::empty);
jassert (instance == this);
instance = nullptr;
[callback release];
}
void setMenu (MenuBarModel* const newMenuBarModel,
const PopupMenu* newExtraAppleMenuItems,
const String& recentItemsName)
{
recentItemsMenuName = recentItemsName;
if (currentModel != newMenuBarModel)
{
if (currentModel != nullptr)
currentModel->removeListener (this);
currentModel = newMenuBarModel;
if (currentModel != nullptr)
currentModel->addListener (this);
menuBarItemsChanged (nullptr);
}
extraAppleMenuItems = createCopyIfNotNull (newExtraAppleMenuItems);
}
void addTopLevelMenu (NSMenu* parent, const PopupMenu& child,
const String& name, const int menuId, const int tag)
{
NSMenuItem* item = [parent addItemWithTitle: juceStringToNS (name)
action: nil
keyEquivalent: nsEmptyString()];
[item setTag: tag];
NSMenu* sub = createMenu (child, name, menuId, tag, true);
[parent setSubmenu: sub forItem: item];
[sub setAutoenablesItems: false];
[sub release];
}
void updateTopLevelMenu (NSMenuItem* parentItem, const PopupMenu& menuToCopy,
const String& name, const int menuId, const int tag)
{
#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
static bool is10_4 = (SystemStats::getOperatingSystemType() == SystemStats::MacOSX_10_4);
if (is10_4)
{
[parentItem setTag: tag];
NSMenu* menu = [parentItem submenu];
[menu setTitle: juceStringToNS (name)];
while ([menu numberOfItems] > 0)
[menu removeItemAtIndex: 0];
for (PopupMenu::MenuItemIterator iter (menuToCopy); iter.next();)
addMenuItem (iter, menu, menuId, tag);
[menu setAutoenablesItems: false];
[menu update];
return;
}
#endif
// Note: This method used to update the contents of the existing menu in-place, but that caused
// weird side-effects which messed-up keyboard focus when switching between windows. By creating
// a new menu and replacing the old one with it, that problem seems to be avoided..
NSMenu* menu = [[NSMenu alloc] initWithTitle: juceStringToNS (name)];
for (PopupMenu::MenuItemIterator iter (menuToCopy); iter.next();)
addMenuItem (iter, menu, menuId, tag);
[menu setAutoenablesItems: false];
[menu update];
[parentItem setTag: tag];
[parentItem setSubmenu: menu];
[menu release];
}
void menuBarItemsChanged (MenuBarModel*)
{
if (isOpen)
return;
lastUpdateTime = Time::getMillisecondCounter();
StringArray menuNames;
if (currentModel != nullptr)
menuNames = currentModel->getMenuBarNames();
NSMenu* menuBar = [[NSApp mainMenu] retain];
while ([menuBar numberOfItems] > 1 + menuNames.size())
[menuBar removeItemAtIndex: [menuBar numberOfItems] - 1];
int menuId = 1;
for (int i = 0; i < menuNames.size(); ++i)
{
const PopupMenu menu (currentModel->getMenuForIndex (i, menuNames [i]));
if (i >= [menuBar numberOfItems] - 1)
addTopLevelMenu (menuBar, menu, menuNames[i], menuId, i);
else
updateTopLevelMenu ([menuBar itemAtIndex: 1 + i], menu, menuNames[i], menuId, i);
}
[menuBar release];
}
void menuCommandInvoked (MenuBarModel*, const ApplicationCommandTarget::InvocationInfo& info)
{
if (NSMenuItem* item = findMenuItem ([NSApp mainMenu], info))
flashMenuBar ([item menu]);
}
void updateMenus (NSMenu* menu)
{
if (PopupMenu::dismissAllActiveMenus())
{
// If we were running a juce menu, then we should let that modal loop finish before allowing
// the OS menus to start their own modal loop - so cancel the menu that was being opened..
if ([menu respondsToSelector: @selector (cancelTracking)])
[menu performSelector: @selector (cancelTracking)];
}
if (Time::getMillisecondCounter() > lastUpdateTime + 100)
(new AsyncMenuUpdater())->post();
}
void invoke (const int commandId, ApplicationCommandManager* const commandManager, const int topLevelIndex) const
{
if (currentModel != nullptr)
{
if (commandManager != nullptr)
{
ApplicationCommandTarget::InvocationInfo info (commandId);
info.invocationMethod = ApplicationCommandTarget::InvocationInfo::fromMenu;
commandManager->invoke (info, true);
}
(new AsyncCommandInvoker (commandId, topLevelIndex))->post();
}
}
void invokeDirectly (const int commandId, const int topLevelIndex)
{
if (currentModel != nullptr)
currentModel->menuItemSelected (commandId, topLevelIndex);
}
void addMenuItem (PopupMenu::MenuItemIterator& iter, NSMenu* menuToAddTo,
const int topLevelMenuId, const int topLevelIndex)
{
NSString* text = juceStringToNS (iter.itemName.upToFirstOccurrenceOf ("<end>", false, true));
if (text == nil)
text = nsEmptyString();
if (iter.isSeparator)
{
[menuToAddTo addItem: [NSMenuItem separatorItem]];
}
else if (iter.isSectionHeader)
{
NSMenuItem* item = [menuToAddTo addItemWithTitle: text
action: nil
keyEquivalent: nsEmptyString()];
[item setEnabled: false];
}
else if (iter.subMenu != nullptr)
{
if (iter.itemName == recentItemsMenuName)
{
if (recent == nullptr)
recent = new RecentFilesMenuItem();
if (recent->recentItem != nil)
{
if (NSMenu* parent = [recent->recentItem menu])
[parent removeItem: recent->recentItem];
[menuToAddTo addItem: recent->recentItem];
return;
}
}
NSMenuItem* item = [menuToAddTo addItemWithTitle: text
action: nil
keyEquivalent: nsEmptyString()];
[item setTag: iter.itemId];
[item setEnabled: iter.isEnabled];
NSMenu* sub = createMenu (*iter.subMenu, iter.itemName, topLevelMenuId, topLevelIndex, false);
[menuToAddTo setSubmenu: sub forItem: item];
[sub release];
}
else
{
NSMenuItem* item = [menuToAddTo addItemWithTitle: text
action: @selector (menuItemInvoked:)
keyEquivalent: nsEmptyString()];
[item setTag: iter.itemId];
[item setEnabled: iter.isEnabled];
[item setState: iter.isTicked ? NSOnState : NSOffState];
[item setTarget: (id) callback];
NSMutableArray* info = [NSMutableArray arrayWithObject: [NSNumber numberWithUnsignedLongLong: (pointer_sized_uint) (void*) iter.commandManager]];
[info addObject: [NSNumber numberWithInt: topLevelIndex]];
[item setRepresentedObject: info];
if (iter.commandManager != nullptr)
{
const Array<KeyPress> keyPresses (iter.commandManager->getKeyMappings()
->getKeyPressesAssignedToCommand (iter.itemId));
if (keyPresses.size() > 0)
{
const KeyPress& kp = keyPresses.getReference(0);
if (kp != KeyPress::backspaceKey // (adding these is annoying because it flashes the menu bar
&& kp != KeyPress::deleteKey) // every time you press the key while editing text)
{
juce_wchar key = kp.getTextCharacter();
if (key == 0)
key = (juce_wchar) kp.getKeyCode();
[item setKeyEquivalent: juceStringToNS (String::charToString (key).toLowerCase())];
[item setKeyEquivalentModifierMask: juceModsToNSMods (kp.getModifiers())];
}
}
}
}
}
static JuceMainMenuHandler* instance;
MenuBarModel* currentModel;
ScopedPointer<PopupMenu> extraAppleMenuItems;
uint32 lastUpdateTime;
NSObject* callback;
String recentItemsMenuName;
bool isOpen;
private:
struct RecentFilesMenuItem
{
RecentFilesMenuItem() : recentItem (nil)
{
if (NSNib* menuNib = [[[NSNib alloc] initWithNibNamed: @"RecentFilesMenuTemplate" bundle: nil] autorelease])
{
NSArray* array = nil;
#if (! defined (MAC_OS_X_VERSION_10_8)) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_8
[menuNib instantiateNibWithOwner: NSApp topLevelObjects: &array];
#else
[menuNib instantiateWithOwner: NSApp topLevelObjects: &array];
#endif
for (id object in array)
{
if ([object isKindOfClass: [NSMenu class]])
{
if (NSArray* items = [object itemArray])
{
if (NSMenuItem* item = findRecentFilesItem (items))
{
recentItem = [item retain];
break;
}
}
}
}
}
}
~RecentFilesMenuItem()
{
[recentItem release];
}
static NSMenuItem* findRecentFilesItem (NSArray* const items)
{
for (id object in items)
if (NSArray* subMenuItems = [[object submenu] itemArray])
for (id subObject in subMenuItems)
if ([subObject isKindOfClass: [NSMenuItem class]])
return subObject;
return nil;
}
NSMenuItem* recentItem;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (RecentFilesMenuItem)
};
ScopedPointer<RecentFilesMenuItem> recent;
//==============================================================================
NSMenu* createMenu (const PopupMenu menu,
const String& menuName,
const int topLevelMenuId,
const int topLevelIndex,
const bool addDelegate)
{
NSMenu* m = [[NSMenu alloc] initWithTitle: juceStringToNS (menuName)];
[m setAutoenablesItems: false];
if (addDelegate)
{
#if defined (MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
[m setDelegate: (id<NSMenuDelegate>) callback];
#else
[m setDelegate: callback];
#endif
}
for (PopupMenu::MenuItemIterator iter (menu); iter.next();)
addMenuItem (iter, m, topLevelMenuId, topLevelIndex);
[m update];
return m;
}
static NSMenuItem* findMenuItem (NSMenu* const menu, const ApplicationCommandTarget::InvocationInfo& info)
{
for (NSInteger i = [menu numberOfItems]; --i >= 0;)
{
NSMenuItem* m = [menu itemAtIndex: i];
if ([m tag] == info.commandID)
return m;
if (NSMenu* sub = [m submenu])
if (NSMenuItem* found = findMenuItem (sub, info))
return found;
}
return nil;
}
static void flashMenuBar (NSMenu* menu)
{
if ([[menu title] isEqualToString: nsStringLiteral ("Apple")])
return;
[menu retain];
const unichar f35Key = NSF35FunctionKey;
NSString* f35String = [NSString stringWithCharacters: &f35Key length: 1];
NSMenuItem* item = [[NSMenuItem alloc] initWithTitle: nsStringLiteral ("x")
action: nil
keyEquivalent: f35String];
[item setTarget: nil];
[menu insertItem: item atIndex: [menu numberOfItems]];
[item release];
if ([menu indexOfItem: item] >= 0)
{
NSEvent* f35Event = [NSEvent keyEventWithType: NSKeyDown
location: NSZeroPoint
modifierFlags: NSCommandKeyMask
timestamp: 0
windowNumber: 0
context: [NSGraphicsContext currentContext]
characters: f35String
charactersIgnoringModifiers: f35String
isARepeat: NO
keyCode: 0];
[menu performKeyEquivalent: f35Event];
if ([menu indexOfItem: item] >= 0)
[menu removeItem: item]; // (this throws if the item isn't actually in the menu)
}
[menu release];
}
static unsigned int juceModsToNSMods (const ModifierKeys mods)
{
unsigned int m = 0;
if (mods.isShiftDown()) m |= NSShiftKeyMask;
if (mods.isCtrlDown()) m |= NSControlKeyMask;
if (mods.isAltDown()) m |= NSAlternateKeyMask;
if (mods.isCommandDown()) m |= NSCommandKeyMask;
return m;
}
class AsyncMenuUpdater : public CallbackMessage
{
public:
AsyncMenuUpdater() {}
void messageCallback() override
{
if (instance != nullptr)
instance->menuBarItemsChanged (nullptr);
}
private:
JUCE_DECLARE_NON_COPYABLE (AsyncMenuUpdater)
};
class AsyncCommandInvoker : public CallbackMessage
{
public:
AsyncCommandInvoker (const int commandId_, const int topLevelIndex_)
: commandId (commandId_), topLevelIndex (topLevelIndex_)
{}
void messageCallback() override
{
if (instance != nullptr)
instance->invokeDirectly (commandId, topLevelIndex);
}
private:
const int commandId, topLevelIndex;
JUCE_DECLARE_NON_COPYABLE (AsyncCommandInvoker)
};
//==============================================================================
struct JuceMenuCallbackClass : public ObjCClass <NSObject>
{
JuceMenuCallbackClass() : ObjCClass <NSObject> ("JUCEMainMenu_")
{
addIvar<JuceMainMenuHandler*> ("owner");
addMethod (@selector (menuItemInvoked:), menuItemInvoked, "v@:@");
addMethod (@selector (menuNeedsUpdate:), menuNeedsUpdate, "v@:@");
#if defined (MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
addProtocol (@protocol (NSMenuDelegate));
#endif
registerClass();
}
static void setOwner (id self, JuceMainMenuHandler* owner)
{
object_setInstanceVariable (self, "owner", owner);
}
private:
static void menuItemInvoked (id self, SEL, NSMenuItem* item)
{
JuceMainMenuHandler* const owner = getIvar<JuceMainMenuHandler*> (self, "owner");
if ([[item representedObject] isKindOfClass: [NSArray class]])
{
// If the menu is being triggered by a keypress, the OS will have picked it up before we had a chance to offer it to
// our own components, which may have wanted to intercept it. So, rather than dispatching directly, we'll feed it back
// into the focused component and let it trigger the menu item indirectly.
NSEvent* e = [NSApp currentEvent];
if ([e type] == NSKeyDown || [e type] == NSKeyUp)
{
if (juce::Component* focused = juce::Component::getCurrentlyFocusedComponent())
{
if (juce::NSViewComponentPeer* peer = dynamic_cast <juce::NSViewComponentPeer*> (focused->getPeer()))
{
if ([e type] == NSKeyDown)
peer->redirectKeyDown (e);
else
peer->redirectKeyUp (e);
return;
}
}
}
NSArray* info = (NSArray*) [item representedObject];
owner->invoke ((int) [item tag],
(ApplicationCommandManager*) (pointer_sized_int)
[((NSNumber*) [info objectAtIndex: 0]) unsignedLongLongValue],
(int) [((NSNumber*) [info objectAtIndex: 1]) intValue]);
}
}
static void menuNeedsUpdate (id, SEL, NSMenu* menu)
{
if (instance != nullptr)
instance->updateMenus (menu);
}
};
};
JuceMainMenuHandler* JuceMainMenuHandler::instance = nullptr;
//==============================================================================
class TemporaryMainMenuWithStandardCommands
{
public:
TemporaryMainMenuWithStandardCommands()
: oldMenu (MenuBarModel::getMacMainMenu()), oldAppleMenu (nullptr)
{
if (const PopupMenu* appleMenu = MenuBarModel::getMacExtraAppleItemsMenu())
oldAppleMenu = new PopupMenu (*appleMenu);
if (JuceMainMenuHandler::instance != nullptr)
oldRecentItems = JuceMainMenuHandler::instance->recentItemsMenuName;
MenuBarModel::setMacMainMenu (nullptr);
NSMenu* menu = [[NSMenu alloc] initWithTitle: nsStringLiteral ("Edit")];
NSMenuItem* item;
item = [[NSMenuItem alloc] initWithTitle: NSLocalizedString (nsStringLiteral ("Cut"), nil)
action: @selector (cut:) keyEquivalent: nsStringLiteral ("x")];
[menu addItem: item];
[item release];
item = [[NSMenuItem alloc] initWithTitle: NSLocalizedString (nsStringLiteral ("Copy"), nil)
action: @selector (copy:) keyEquivalent: nsStringLiteral ("c")];
[menu addItem: item];
[item release];
item = [[NSMenuItem alloc] initWithTitle: NSLocalizedString (nsStringLiteral ("Paste"), nil)
action: @selector (paste:) keyEquivalent: nsStringLiteral ("v")];
[menu addItem: item];
[item release];
item = [[NSApp mainMenu] addItemWithTitle: NSLocalizedString (nsStringLiteral ("Edit"), nil)
action: nil keyEquivalent: nsEmptyString()];
[[NSApp mainMenu] setSubmenu: menu forItem: item];
[menu release];
// use a dummy modal component so that apps can tell that something is currently modal.
dummyModalComponent.enterModalState();
}
~TemporaryMainMenuWithStandardCommands()
{
MenuBarModel::setMacMainMenu (oldMenu, oldAppleMenu, oldRecentItems);
}
private:
MenuBarModel* oldMenu;
ScopedPointer<PopupMenu> oldAppleMenu;
String oldRecentItems;
// The OS view already plays an alert when clicking outside
// the modal comp, so this override avoids adding extra
// inappropriate noises when the cancel button is pressed.
// This override is also important because it stops the base class
// calling ModalComponentManager::bringToFront, which can get
// recursive when file dialogs are involved
class SilentDummyModalComp : public Component
{
public:
SilentDummyModalComp() {}
void inputAttemptWhenModal() override {}
};
SilentDummyModalComp dummyModalComponent;
};
//==============================================================================
namespace MainMenuHelpers
{
static NSString* translateMenuName (const String& name)
{
return NSLocalizedString (juceStringToNS (TRANS (name)), nil);
}
static NSMenuItem* createMenuItem (NSMenu* menu, const String& name, SEL sel, NSString* key)
{
NSMenuItem* item = [[[NSMenuItem alloc] initWithTitle: translateMenuName (name)
action: sel
keyEquivalent: key] autorelease];
[item setTarget: NSApp];
[menu addItem: item];
return item;
}
static void createStandardAppMenu (NSMenu* menu, const String& appName, const PopupMenu* extraItems)
{
if (extraItems != nullptr && JuceMainMenuHandler::instance != nullptr && extraItems->getNumItems() > 0)
{
for (PopupMenu::MenuItemIterator iter (*extraItems); iter.next();)
JuceMainMenuHandler::instance->addMenuItem (iter, menu, 0, -1);
[menu addItem: [NSMenuItem separatorItem]];
}
// Services...
NSMenuItem* services = [[[NSMenuItem alloc] initWithTitle: translateMenuName ("Services")
action: nil keyEquivalent: nsEmptyString()] autorelease];
[menu addItem: services];
NSMenu* servicesMenu = [[[NSMenu alloc] initWithTitle: translateMenuName ("Services")] autorelease];
[menu setSubmenu: servicesMenu forItem: services];
[NSApp setServicesMenu: servicesMenu];
[menu addItem: [NSMenuItem separatorItem]];
createMenuItem (menu, "Hide " + appName, @selector (hide:), nsStringLiteral ("h"));
[createMenuItem (menu, "Hide Others", @selector (hideOtherApplications:), nsStringLiteral ("h"))
setKeyEquivalentModifierMask: NSCommandKeyMask | NSAlternateKeyMask];
createMenuItem (menu, "Show All", @selector (unhideAllApplications:), nsEmptyString());
[menu addItem: [NSMenuItem separatorItem]];
createMenuItem (menu, "Quit " + appName, @selector (terminate:), nsStringLiteral ("q"));
}
// Since our app has no NIB, this initialises a standard app menu...
static void rebuildMainMenu (const PopupMenu* extraItems)
{
// this can't be used in a plugin!
jassert (JUCEApplicationBase::isStandaloneApp());
if (JUCEApplicationBase* app = JUCEApplicationBase::getInstance())
{
JUCE_AUTORELEASEPOOL
{
NSMenu* mainMenu = [[NSMenu alloc] initWithTitle: nsStringLiteral ("MainMenu")];
NSMenuItem* item = [mainMenu addItemWithTitle: nsStringLiteral ("Apple") action: nil keyEquivalent: nsEmptyString()];
NSMenu* appMenu = [[NSMenu alloc] initWithTitle: nsStringLiteral ("Apple")];
[NSApp performSelector: @selector (setAppleMenu:) withObject: appMenu];
[mainMenu setSubmenu: appMenu forItem: item];
[NSApp setMainMenu: mainMenu];
MainMenuHelpers::createStandardAppMenu (appMenu, app->getApplicationName(), extraItems);
[appMenu release];
[mainMenu release];
}
}
}
}
void MenuBarModel::setMacMainMenu (MenuBarModel* newMenuBarModel,
const PopupMenu* extraAppleMenuItems,
const String& recentItemsMenuName)
{
if (getMacMainMenu() != newMenuBarModel)
{
JUCE_AUTORELEASEPOOL
{
if (newMenuBarModel == nullptr)
{
delete JuceMainMenuHandler::instance;
jassert (JuceMainMenuHandler::instance == nullptr); // should be zeroed in the destructor
jassert (extraAppleMenuItems == nullptr); // you can't specify some extra items without also supplying a model
extraAppleMenuItems = nullptr;
}
else
{
if (JuceMainMenuHandler::instance == nullptr)
JuceMainMenuHandler::instance = new JuceMainMenuHandler();
JuceMainMenuHandler::instance->setMenu (newMenuBarModel, extraAppleMenuItems, recentItemsMenuName);
}
}
}
MainMenuHelpers::rebuildMainMenu (extraAppleMenuItems);
if (newMenuBarModel != nullptr)
newMenuBarModel->menuItemsChanged();
}
MenuBarModel* MenuBarModel::getMacMainMenu()
{
return JuceMainMenuHandler::instance != nullptr
? JuceMainMenuHandler::instance->currentModel : nullptr;
}
const PopupMenu* MenuBarModel::getMacExtraAppleItemsMenu()
{
return JuceMainMenuHandler::instance != nullptr
? JuceMainMenuHandler::instance->extraAppleMenuItems.get() : nullptr;
}
typedef void (*MenuTrackingChangedCallback) (bool);
extern MenuTrackingChangedCallback menuTrackingChangedCallback;
static void mainMenuTrackingChanged (bool isTracking)
{
PopupMenu::dismissAllActiveMenus();
if (JuceMainMenuHandler::instance != nullptr)
JuceMainMenuHandler::instance->isOpen = isTracking;
}
void juce_initialiseMacMainMenu()
{
menuTrackingChangedCallback = mainMenuTrackingChanged;
if (JuceMainMenuHandler::instance == nullptr)
MainMenuHelpers::rebuildMainMenu (nullptr);
}