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// 28 april 2015
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#import "uipriv_darwin.h"
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static NSMutableArray *menus = nil;
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static BOOL menusFinalized = NO;
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struct uiMenu {
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NSMenu *menu;
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NSMenuItem *item;
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NSMutableArray *items;
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};
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struct uiMenuItem {
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NSMenuItem *item;
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int type;
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BOOL disabled;
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void (*onClicked)(uiMenuItem *, uiWindow *, void *);
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void *onClickedData;
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};
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enum {
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typeRegular,
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typeCheckbox,
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typeQuit,
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typePreferences,
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typeAbout,
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typeSeparator,
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};
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static void mapItemReleaser(void *key, void *value)
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{
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uiMenuItem *item;
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item = (uiMenuItem *) value;
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[item->item release];
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}
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@implementation uiprivMenuManager
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- (id)init
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{
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self = [super init];
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if (self) {
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self->items = uiprivNewMap();
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self->hasQuit = NO;
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self->hasPreferences = NO;
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self->hasAbout = NO;
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}
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return self;
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}
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- (void)dealloc
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{
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uiprivMapWalk(self->items, mapItemReleaser);
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uiprivMapReset(self->items);
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uiprivMapDestroy(self->items);
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uiprivUninitMenus();
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[super dealloc];
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}
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- (IBAction)onClicked:(id)sender
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{
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uiMenuItem *item;
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item = (uiMenuItem *) uiprivMapGet(self->items, sender);
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if (item->type == typeCheckbox)
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uiMenuItemSetChecked(item, !uiMenuItemChecked(item));
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// use the key window as the source of the menu event; it's the active window
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(*(item->onClicked))(item, uiprivWindowFromNSWindow([uiprivNSApp() keyWindow]), item->onClickedData);
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}
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- (IBAction)onQuitClicked:(id)sender
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{
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if (uiprivShouldQuit())
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uiQuit();
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}
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- (void)register:(NSMenuItem *)item to:(uiMenuItem *)smi
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{
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switch (smi->type) {
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case typeQuit:
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if (self->hasQuit)
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uiprivUserBug("You can't have multiple Quit menu items in one program.");
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self->hasQuit = YES;
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break;
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case typePreferences:
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if (self->hasPreferences)
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uiprivUserBug("You can't have multiple Preferences menu items in one program.");
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self->hasPreferences = YES;
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break;
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case typeAbout:
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if (self->hasAbout)
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uiprivUserBug("You can't have multiple About menu items in one program.");
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self->hasAbout = YES;
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break;
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}
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uiprivMapSet(self->items, item, smi);
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}
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// on OS X there are two ways to handle menu items being enabled or disabled: automatically and manually
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// unfortunately, the application menu requires automatic menu handling for the Hide, Hide Others, and Show All items to work correctly
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// therefore, we have to handle enabling of the other options ourselves
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- (BOOL)validateMenuItem:(NSMenuItem *)item
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{
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uiMenuItem *smi;
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// disable the special items if they aren't present
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if (item == self.quitItem && !self->hasQuit)
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return NO;
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if (item == self.preferencesItem && !self->hasPreferences)
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return NO;
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if (item == self.aboutItem && !self->hasAbout)
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return NO;
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// then poll the item's enabled/disabled state
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smi = (uiMenuItem *) uiprivMapGet(self->items, item);
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return !smi->disabled;
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}
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// Cocoa constructs the default application menu by hand for each program; that's what MainMenu.[nx]ib does
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- (void)buildApplicationMenu:(NSMenu *)menubar
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{
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NSString *appName;
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NSMenuItem *appMenuItem;
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NSMenu *appMenu;
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NSMenuItem *item;
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NSString *title;
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NSMenu *servicesMenu;
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// note: no need to call setAppleMenu: on this anymore; see https://developer.apple.com/library/mac/releasenotes/AppKit/RN-AppKitOlderNotes/#X10_6Notes
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appName = [[NSProcessInfo processInfo] processName];
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appMenuItem = [[[NSMenuItem alloc] initWithTitle:appName action:NULL keyEquivalent:@""] autorelease];
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appMenu = [[[NSMenu alloc] initWithTitle:appName] autorelease];
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[appMenuItem setSubmenu:appMenu];
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[menubar addItem:appMenuItem];
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// first is About
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title = [@"About " stringByAppendingString:appName];
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item = [[[NSMenuItem alloc] initWithTitle:title action:@selector(onClicked:) keyEquivalent:@""] autorelease];
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[item setTarget:self];
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[appMenu addItem:item];
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self.aboutItem = item;
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[appMenu addItem:[NSMenuItem separatorItem]];
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// next is Preferences
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item = [[[NSMenuItem alloc] initWithTitle:@"Preferences…" action:@selector(onClicked:) keyEquivalent:@","] autorelease];
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[item setTarget:self];
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[appMenu addItem:item];
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self.preferencesItem = item;
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[appMenu addItem:[NSMenuItem separatorItem]];
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// next is Services
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item = [[[NSMenuItem alloc] initWithTitle:@"Services" action:NULL keyEquivalent:@""] autorelease];
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servicesMenu = [[[NSMenu alloc] initWithTitle:@"Services"] autorelease];
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[item setSubmenu:servicesMenu];
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[uiprivNSApp() setServicesMenu:servicesMenu];
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[appMenu addItem:item];
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[appMenu addItem:[NSMenuItem separatorItem]];
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// next are the three hiding options
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title = [@"Hide " stringByAppendingString:appName];
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item = [[[NSMenuItem alloc] initWithTitle:title action:@selector(hide:) keyEquivalent:@"h"] autorelease];
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// the .xib file says they go to -1 ("First Responder", which sounds wrong...)
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// to do that, we simply leave the target as nil
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[appMenu addItem:item];
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item = [[[NSMenuItem alloc] initWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"] autorelease];
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[item setKeyEquivalentModifierMask:(NSAlternateKeyMask | NSCommandKeyMask)];
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[appMenu addItem:item];
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item = [[[NSMenuItem alloc] initWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""] autorelease];
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[appMenu addItem:item];
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[appMenu addItem:[NSMenuItem separatorItem]];
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// and finally Quit
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// DON'T use @selector(terminate:) as the action; we handle termination ourselves
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title = [@"Quit " stringByAppendingString:appName];
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item = [[[NSMenuItem alloc] initWithTitle:title action:@selector(onQuitClicked:) keyEquivalent:@"q"] autorelease];
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[item setTarget:self];
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[appMenu addItem:item];
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self.quitItem = item;
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}
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- (NSMenu *)makeMenubar
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{
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NSMenu *menubar;
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menubar = [[[NSMenu alloc] initWithTitle:@""] autorelease];
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[self buildApplicationMenu:menubar];
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return menubar;
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}
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@end
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static void defaultOnClicked(uiMenuItem *item, uiWindow *w, void *data)
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{
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// do nothing
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}
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void uiMenuItemEnable(uiMenuItem *item)
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{
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item->disabled = NO;
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// we don't need to explicitly update the menus here; they'll be updated the next time they're opened (thanks mikeash in irc.freenode.net/#macdev)
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}
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void uiMenuItemDisable(uiMenuItem *item)
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{
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item->disabled = YES;
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}
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void uiMenuItemOnClicked(uiMenuItem *item, void (*f)(uiMenuItem *, uiWindow *, void *), void *data)
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{
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if (item->type == typeQuit)
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uiprivUserBug("You can't call uiMenuItemOnClicked() on a Quit item; use uiOnShouldQuit() instead.");
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item->onClicked = f;
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item->onClickedData = data;
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}
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int uiMenuItemChecked(uiMenuItem *item)
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{
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return [item->item state] != NSOffState;
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}
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void uiMenuItemSetChecked(uiMenuItem *item, int checked)
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{
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NSInteger state;
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state = NSOffState;
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if ([item->item state] == NSOffState)
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state = NSOnState;
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[item->item setState:state];
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}
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static uiMenuItem *newItem(uiMenu *m, int type, const char *name)
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{
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@autoreleasepool {
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uiMenuItem *item;
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if (menusFinalized)
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uiprivUserBug("You can't create a new menu item after menus have been finalized.");
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item = uiprivNew(uiMenuItem);
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item->type = type;
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switch (item->type) {
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case typeQuit:
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item->item = [uiprivAppDelegate().menuManager.quitItem retain];
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break;
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case typePreferences:
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item->item = [uiprivAppDelegate().menuManager.preferencesItem retain];
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break;
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case typeAbout:
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item->item = [uiprivAppDelegate().menuManager.aboutItem retain];
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break;
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case typeSeparator:
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item->item = [[NSMenuItem separatorItem] retain];
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[m->menu addItem:item->item];
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break;
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default:
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if (!strcmp(name, "@macPaste")) {
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item->disabled = NO;
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item->item = [[NSMenuItem alloc] initWithTitle:uiprivToNSString("Paste") action:@selector(paste:) keyEquivalent:@"v"];
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[m->menu addItem:item->item];
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} else if (!strcmp(name, "@macCut")) {
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item->disabled = NO;
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item->item = [[NSMenuItem alloc] initWithTitle:uiprivToNSString("Cut") action:@selector(cut:) keyEquivalent:@"x"];
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[m->menu addItem:item->item];
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} else if (!strcmp(name, "@macCopy")) {
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item->disabled = NO;
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item->item = [[NSMenuItem alloc] initWithTitle:uiprivToNSString("Copy") action:@selector(copy:) keyEquivalent:@"c"];
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[m->menu addItem:item->item];
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} else if (!strcmp(name, "@macSelectAll")) {
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item->disabled = NO;
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item->item = [[NSMenuItem alloc] initWithTitle:uiprivToNSString("Select All") action:@selector(selectAll:) keyEquivalent:@"a"];
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[m->menu addItem:item->item];
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} else {
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item->item = [[NSMenuItem alloc] initWithTitle:uiprivToNSString(name) action:@selector(onClicked:) keyEquivalent:@""];
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[item->item setTarget:uiprivAppDelegate().menuManager];
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[m->menu addItem:item->item];
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}
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break;
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}
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[uiprivAppDelegate().menuManager register:item->item to:item];
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item->onClicked = defaultOnClicked;
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[m->items addObject:[NSValue valueWithPointer:item]];
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return item;
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} // @autoreleasepool
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}
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uiMenuItem *uiMenuAppendItem(uiMenu *m, const char *name)
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{
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return newItem(m, typeRegular, name);
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}
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uiMenuItem *uiMenuAppendCheckItem(uiMenu *m, const char *name)
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{
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return newItem(m, typeCheckbox, name);
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}
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uiMenuItem *uiMenuAppendQuitItem(uiMenu *m)
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{
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// duplicate check is in the register:to: selector
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return newItem(m, typeQuit, NULL);
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}
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uiMenuItem *uiMenuAppendPreferencesItem(uiMenu *m)
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{
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// duplicate check is in the register:to: selector
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return newItem(m, typePreferences, NULL);
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}
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uiMenuItem *uiMenuAppendAboutItem(uiMenu *m)
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{
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// duplicate check is in the register:to: selector
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return newItem(m, typeAbout, NULL);
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}
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void uiMenuAppendSeparator(uiMenu *m)
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{
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newItem(m, typeSeparator, NULL);
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}
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uiMenu *uiNewMenu(const char *name)
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{
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@autoreleasepool {
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uiMenu *m;
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if (menusFinalized)
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uiprivUserBug("You can't create a new menu after menus have been finalized.");
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if (menus == nil)
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menus = [NSMutableArray new];
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m = uiprivNew(uiMenu);
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m->menu = [[NSMenu alloc] initWithTitle:uiprivToNSString(name)];
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// use automatic menu item enabling for all menus for consistency's sake
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m->item = [[NSMenuItem alloc] initWithTitle:uiprivToNSString(name) action:NULL keyEquivalent:@""];
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[m->item setSubmenu:m->menu];
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m->items = [NSMutableArray new];
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[[uiprivNSApp() mainMenu] addItem:m->item];
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[menus addObject:[NSValue valueWithPointer:m]];
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return m;
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} // @autoreleasepool
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}
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void uiprivFinalizeMenus(void)
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{
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menusFinalized = YES;
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}
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void uiprivUninitMenus(void)
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{
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if (menus == NULL)
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return;
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[menus enumerateObjectsUsingBlock:^(id obj, NSUInteger index, BOOL *stop) {
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NSValue *v;
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uiMenu *m;
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v = (NSValue *) obj;
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m = (uiMenu *) [v pointerValue];
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[m->items enumerateObjectsUsingBlock:^(id obj, NSUInteger index, BOOL *stop) {
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NSValue *v;
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uiMenuItem *mi;
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v = (NSValue *) obj;
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mi = (uiMenuItem *) [v pointerValue];
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uiprivFree(mi);
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}];
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[m->items release];
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uiprivFree(m);
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}];
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[menus release];
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}
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