Allow launching MacVim in clean defaults, add menu to open clean Vim

runtime/doc/gui_mac.txt

@@ -264,6 +264,10 @@ Vim options (see |macvim-options|).  These settings are stored in the user
 defaults database and can be accessed via the "MacVim.Settings…"
 ("MacVim.Preferences…" in macOS 12 Monterey and older) menu item.
 
+If you want to open MacVim with its default settings, you can open it by
+passing `-IgnoreUserDefaults 1` to the launch arguments (see the man page on
+the "open" for how to do so).
+
 							*macvim-user-defaults*
 Not all entries in the user defaults database are exposed via the settings
 panel, usually because they should not be changed by the user under normal

runtime/lang/macvim_menu/menu_ja_jp.utf-8.custom.vim

@@ -1,3 +1,5 @@
+menutrans New\ Clean\ Window 新規クリーンウインドウ
+menutrans New\ Clean\ Window\ (No\ Defaults) 新規クリーンウインドウ\ (デフォルトなし)
 menutrans MacVim\ Help MacVim\ ヘルプ
 menutrans MacVim\ Website MacVim\ Webサイト
 menutrans Vim\ Tutor Vim\ 教本\ (チュートリアル)

runtime/lang/macvim_menu/menu_zh_cn.utf-8.custom.vim

@@ -1,3 +1,5 @@
+menutrans New\ Clean\ Window 新建干净窗口
+menutrans New\ Clean\ Window\ (No\ Defaults) 新建干净窗口（不用\ Defaults）
 menutrans MacVim\ Help MacVim帮助
 menutrans MacVim\ Website MacVim网站
 menutrans Vim\ Tutor Vim教程

runtime/lang/macvim_menu/menu_zh_tw.utf-8.custom.vim

@@ -1,3 +1,5 @@
+menutrans New\ Clean\ Window 新增乾淨視窗
+menutrans New\ Clean\ Window\ (No\ Defaults) 新增乾淨視窗（不用\ Defaults）
 menutrans MacVim\ Help MacVim輔助說明
 menutrans MacVim\ Website MacVim網站
 menutrans Vim\ Tutor Vim教程

runtime/menu.vim

@@ -160,7 +160,9 @@ enddef
 
 " File menu
 if has("gui_macvim")
-  an <silent> 10.290 &File.New\ Window		    <Nop>
+  an <silent> 10.290 &File.New\ Window                          <Nop>
+  an <silent> 10.291 &File.New\ Clean\ Window		        <Nop>
+  an <silent> 10.292 &File.New\ Clean\ Window\ (No\ Defaults)   <Nop>
   an  10.295 &File.New\ Tab			    :tabnew<CR>
   tln 10.295 &File.New\ Tab			    <C-W>:tabnew<CR>
   an <silent> 10.310 &File.Open…		    <Nop>
@@ -1267,6 +1269,8 @@ if has("gui_macvim")
   " action message is specified here via the :macmenu command.
   "
   macm File.New\ Window				key=<D-n> action=newWindow:
+  macm File.New\ Clean\ Window		        key=<D-N> action=newWindowClean:
+  macm File.New\ Clean\ Window\ (No\ Defaults)  key=<D-M-N> action=newWindowCleanNoDefaults: alt=YES
   macm File.New\ Tab				key=<D-t>
   macm File.Open…				key=<D-o> action=fileOpen:
   macm File.Open\ Tab\.\.\.<Tab>:tabnew		key=<D-T>
@@ -1417,4 +1421,4 @@ if has("touchbar")
   endif
 endif
 
-" vim: set sw=2 :
+" vim: set sw=2 tabstop=8 :

src/MacVim/Actions.plist

@@ -36,6 +36,10 @@
 	<string></string>
 	<key>newWindow:</key>
 	<string></string>
+	<key>newWindowClean:</key>
+	<string></string>
+	<key>newWindowCleanNoDefaults:</key>
+	<string></string>
 	<key>openWebsite:</key>
 	<string></string>
 	<key>showWhatsNew:</key>
@@ -86,11 +90,11 @@
 	<string></string>
 	<key>stayLevelNormal:</key>
 	<string></string>
-    <key>_removeWindowFromStageManagerSet:</key>
-    <string></string>
-    <key>joinAllStageManagerSets:</key>
-    <string></string>
-    <key>unjoinAllStageManagerSets:</key>
-    <string></string>
+	<key>_removeWindowFromStageManagerSet:</key>
+	<string></string>
+	<key>joinAllStageManagerSets:</key>
+	<string></string>
+	<key>unjoinAllStageManagerSets:</key>
+	<string></string>
 </dict>
 </plist>

src/MacVim/Base.lproj/MainMenu.xib

@@ -81,6 +81,17 @@
                                     <action selector="newWindow:" target="235" id="251"/>
                                 </connections>
                             </menuItem>
+                            <menuItem title="New Clean Window" keyEquivalent="N" id="6vC-1c-PzC" userLabel="New Clean Window">
+                                <connections>
+                                    <action selector="newWindowCleanAndActivate:" target="-1" id="0IK-4B-mIA"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="New Clean Window (No Defaults)" alternate="YES" keyEquivalent="N" id="I52-K0-dKN" userLabel="New Clean Window (No Defaults)">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="newWindowCleanNoDefaultsAndActivate:" target="-1" id="nAy-O6-DrK"/>
+                                </connections>
+                            </menuItem>
                             <menuItem title="Open…" keyEquivalent="o" id="261">
                                 <connections>
                                     <action selector="fileOpen:" target="235" id="277"/>
@@ -205,6 +216,12 @@
                         <action selector="newWindowAndActivate:" target="235" id="350"/>
                     </connections>
                 </menuItem>
+                <menuItem title="New Clean Window" id="pDQ-Dc-v9a" userLabel="New Clean Window">
+                    <attributedString key="attributedTitle"/>
+                    <connections>
+                        <action selector="newWindowCleanAndActivate:" target="-1" id="p1b-M2-0zQ"/>
+                    </connections>
+                </menuItem>
             </items>
             <point key="canvasLocation" x="139" y="67"/>
         </menu>

src/MacVim/MMAppController.h

@@ -32,6 +32,12 @@
     , NSMenuItemValidation
 #endif
 > {
+    enum NewWindowMode {
+        NewWindowNormal = 0,
+        NewWindowClean,
+        NewWindowCleanNoDefaults,
+    };
+
     NSConnection        *connection;
     NSMutableArray      *vimControllers;
     NSString            *openSelectionString;
@@ -82,13 +88,22 @@
 - (void)refreshAllResizeConstraints;
 - (void)refreshAllTextViews;
 
+- (void)openNewWindow:(enum NewWindowMode)mode activate:(BOOL)activate;
+
 //
 // NSMenuItemValidation
 //
 - (BOOL)validateMenuItem:(NSMenuItem *)item;
 
+//
+// Actions exposed to Vim
+//
 - (IBAction)newWindow:(id)sender;
+- (IBAction)newWindowClean:(id)sender;
+- (IBAction)newWindowCleanNoDefaults:(id)sender;
 - (IBAction)newWindowAndActivate:(id)sender;
+- (IBAction)newWindowCleanAndActivate:(id)sender;
+- (IBAction)newWindowCleanNoDefaultsAndActivate:(id)sender;
 - (IBAction)fileOpen:(id)sender;
 - (IBAction)selectNextWindow:(id)sender;
 - (IBAction)selectPreviousWindow:(id)sender;
@@ -105,6 +120,9 @@
 - (IBAction)stayInBack:(id)sender;
 - (IBAction)stayLevelNormal:(id)sender;
 
+//
+// NSUserInterfaceItemSearching
+//
 - (NSArray<NSString *> *)localizedTitlesForItem:(id)item;
 - (void)searchForItemsWithSearchString:(NSString *)searchString
                            resultLimit:(NSInteger)resultLimit

src/MacVim/MMAppController.m

@@ -166,45 +166,11 @@ - (void)inputSourceChanged:(NSNotification *)notification;
 
 @implementation MMAppController
 
-+ (void)initialize
+/// Register the default settings for MacVim. Supports an optional
+/// "-IgnoreUserDefaults 1" command-line argument, which will override
+/// persisted user settings to have a clean environment.
++ (void)registerDefaults
 {
-    static BOOL initDone = NO;
-    if (initDone) return;
-    initDone = YES;
-
-    ASLInit();
-
-    // HACK! The following user default must be reset, else Ctrl-q (or
-    // whichever key is specified by the default) will be blocked by the input
-    // manager (interpretKeyEvents: swallows that key).  (We can't use
-    // NSUserDefaults since it only allows us to write to the registration
-    // domain and this preference has "higher precedence" than that so such a
-    // change would have no effect.)
-    CFPreferencesSetAppValue(CFSTR("NSQuotedKeystrokeBinding"),
-                             CFSTR(""),
-                             kCFPreferencesCurrentApplication);
-
-    // Also disable NSRepeatCountBinding -- it is not enabled by default, but
-    // it does not make much sense to support it since Vim has its own way of
-    // dealing with repeat counts.
-    CFPreferencesSetAppValue(CFSTR("NSRepeatCountBinding"),
-                             CFSTR(""),
-                             kCFPreferencesCurrentApplication);
-
-    if ([NSWindow respondsToSelector:@selector(setAllowsAutomaticWindowTabbing:)]) {
-        // Disable automatic tabbing on 10.12+. MacVim already has its own
-        // tabbing interface, so we don't want multiple hierarchy of tabs mixing
-        // native and Vim tabs. MacVim also doesn't work well with native tabs
-        // right now since it doesn't respond well to the size change, and it
-        // doesn't show the native menu items (e.g. move tab to new window) in
-        // all the tabs.
-        //
-        // Note: MacVim cannot use macOS native tabs for Vim tabs because Vim
-        // assumes only one tab can be shown at a time, and it would be hard to
-        // handle native tab's "move tab to a new window" functionality.
-        [NSWindow setAllowsAutomaticWindowTabbing:NO];
-    }
-
     int tabMinWidthKey;
     int tabMaxWidthKey;
     int tabOptimumWidthKey;
@@ -218,7 +184,9 @@ + (void)initialize
         tabOptimumWidthKey = 132;
     }
 
-    NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:
+    NSUserDefaults *ud = NSUserDefaults.standardUserDefaults;
+
+    NSDictionary *macvimDefaults = [NSDictionary dictionaryWithObjectsAndKeys:
         [NSNumber numberWithBool:NO],     MMNoWindowKey,
         [NSNumber numberWithInt:tabMinWidthKey],
                                           MMTabMinWidthKey,
@@ -244,6 +212,10 @@ + (void)initialize
         [NSNumber numberWithInt:MMUntitledWindowAlways],
                                           MMUntitledWindowKey,
         [NSNumber numberWithBool:NO],     MMNoWindowShadowKey,
+        [NSNumber numberWithBool:NO],     MMDisableLaunchAnimationKey,
+        [NSNumber numberWithInt:0],       MMAppearanceModeSelectionKey,
+        [NSNumber numberWithBool:NO],     MMNoTitleBarWindowKey,
+        [NSNumber numberWithBool:NO],     MMTitlebarAppearsTransparentKey,
         [NSNumber numberWithBool:NO],     MMZoomBothKey,
         @"",                              MMLoginShellCommandKey,
         @"",                              MMLoginShellArgumentKey,
@@ -271,7 +243,58 @@ + (void)initialize
         [NSNumber numberWithBool:0],      MMScrollOneDirectionOnlyKey,
         nil];
 
-    [[NSUserDefaults standardUserDefaults] registerDefaults:dict];
+    [ud registerDefaults:macvimDefaults];
+
+    NSArray<NSString *> *arguments = NSProcessInfo.processInfo.arguments;
+    if ([arguments containsObject:@"-IgnoreUserDefaults"]) {
+        NSDictionary<NSString *, id> *argDefaults = [ud volatileDomainForName:NSArgumentDomain];
+        NSMutableDictionary<NSString *, id> *combinedDefaults = [NSMutableDictionary dictionaryWithCapacity: macvimDefaults.count];
+        [combinedDefaults setDictionary:macvimDefaults];
+        [combinedDefaults addEntriesFromDictionary:argDefaults];
+        [ud setVolatileDomain:combinedDefaults forName:NSArgumentDomain];
+    }
+}
+
++ (void)initialize
+{
+    static BOOL initDone = NO;
+    if (initDone) return;
+    initDone = YES;
+
+    ASLInit();
+
+    // HACK! The following user default must be reset, else Ctrl-q (or
+    // whichever key is specified by the default) will be blocked by the input
+    // manager (interpreargumenttKeyEvents: swallows that key).  (We can't use
+    // NSUserDefaults since it only allows us to write to the registration
+    // domain and this preference has "higher precedence" than that so such a
+    // change would have no effect.)
+    CFPreferencesSetAppValue(CFSTR("NSQuotedKeystrokeBinding"),
+                             CFSTR(""),
+                             kCFPreferencesCurrentApplication);
+
+    // Also disable NSRepeatCountBinding -- it is not enabled by default, but
+    // it does not make much sense to support it since Vim has its own way of
+    // dealing with repeat counts.
+    CFPreferencesSetAppValue(CFSTR("NSRepeatCountBinding"),
+                             CFSTR(""),
+                             kCFPreferencesCurrentApplication);
+
+    if ([NSWindow respondsToSelector:@selector(setAllowsAutomaticWindowTabbing:)]) {
+        // Disable automatic tabbing on 10.12+. MacVim already has its own
+        // tabbing interface, so we don't want multiple hierarchy of tabs mixing
+        // native and Vim tabs. MacVim also doesn't work well with native tabs
+        // right now since it doesn't respond well to the size change, and it
+        // doesn't show the native menu items (e.g. move tab to new window) in
+        // all the tabs.
+        //
+        // Note: MacVim cannot use macOS native tabs for Vim tabs because Vim
+        // assumes only one tab can be shown at a time, and it would be hard to
+        // handle native tab's "move tab to a new window" functionality.
+        [NSWindow setAllowsAutomaticWindowTabbing:NO];
+    }
+
+    [MMAppController registerDefaults];
 
     NSArray *types = [NSArray arrayWithObject:NSPasteboardTypeString];
     [NSApp registerServicesMenuSendTypes:types returnTypes:types];
@@ -1296,25 +1319,60 @@ - (BOOL)validateMenuItem:(NSMenuItem *)item
     return YES;
 }
 
-- (IBAction)newWindow:(id)sender
+/// Open a new Vim window, potentially taking from cached (if preload is used).
+///
+/// @param mode Determine whether to use clean mode or not. Preload will only
+/// be used if using normal mode.
+///
+/// @param activate Activate the window after it's opened.
+- (void)openNewWindow:(enum NewWindowMode)mode activate:(BOOL)activate
 {
-    ASLogDebug(@"Open new window");
+    if (activate)
+        [self activateWhenNextWindowOpens];
 
     // A cached controller requires no loading times and results in the new
     // window popping up instantaneously.  If the cache is empty it may take
     // 1-2 seconds to start a new Vim process.
-    MMVimController *vc = [self takeVimControllerFromCache];
+    MMVimController *vc = (mode == NewWindowNormal) ? [self takeVimControllerFromCache] : nil;
     if (vc) {
         [[vc backendProxy] acknowledgeConnection];
     } else {
-        [self launchVimProcessWithArguments:nil workingDirectory:nil];
+        NSArray *args = (mode == NewWindowNormal) ? nil
+            : (mode == NewWindowClean ? @[@"--clean"]
+                                      : @[@"--clean", @"-u", @"NONE"]);
+        [self launchVimProcessWithArguments:args workingDirectory:nil];
     }
 }
 
+- (IBAction)newWindow:(id)sender
+{
+    ASLogDebug(@"Open new window");
+    [self openNewWindow:NewWindowNormal activate:NO];
+}
+
+- (IBAction)newWindowClean:(id)sender
+{
+    [self openNewWindow:NewWindowClean activate:NO];
+}
+
+- (IBAction)newWindowCleanNoDefaults:(id)sender
+{
+    [self openNewWindow:NewWindowCleanNoDefaults activate:NO];
+}
+
 - (IBAction)newWindowAndActivate:(id)sender
 {
-    [self activateWhenNextWindowOpens];
-    [self newWindow:sender];
+    [self openNewWindow:NewWindowNormal activate:YES];
+}
+
+- (IBAction)newWindowCleanAndActivate:(id)sender
+{
+    [self openNewWindow:NewWindowClean activate:YES];
+}
+
+- (IBAction)newWindowCleanNoDefaultsAndActivate:(id)sender
+{
+    [self openNewWindow:NewWindowCleanNoDefaults activate:YES];
 }
 
 - (IBAction)fileOpen:(id)sender

src/MacVim/MMWindowController.m

@@ -232,7 +232,7 @@ - (id)initWithVimController:(MMVimController *)controller
     // This makes windows animate when opened
     if ([win respondsToSelector:@selector(setAnimationBehavior:)]) {
         if (![[NSUserDefaults standardUserDefaults]
-              boolForKey:MMDisableLaunchAnimation]) {
+              boolForKey:MMDisableLaunchAnimationKey]) {
             [win setAnimationBehavior:NSWindowAnimationBehaviorDocumentWindow];
         }
     }

src/MacVim/Miscellaneous.h

@@ -38,7 +38,7 @@ extern NSString *MMAppearanceModeSelectionKey;
 extern NSString *MMNoTitleBarWindowKey;
 extern NSString *MMTitlebarAppearsTransparentKey;
 extern NSString *MMNoWindowShadowKey;
-extern NSString *MMDisableLaunchAnimation;
+extern NSString *MMDisableLaunchAnimationKey;
 extern NSString *MMLoginShellKey;
 extern NSString *MMUntitledWindowKey;
 extern NSString *MMZoomBothKey;

src/MacVim/Miscellaneous.m

@@ -34,7 +34,7 @@
 NSString *MMNoTitleBarWindowKey           = @"MMNoTitleBarWindow";
 NSString *MMTitlebarAppearsTransparentKey = @"MMTitlebarAppearsTransparent";
 NSString *MMNoWindowShadowKey             = @"MMNoWindowShadow";
-NSString *MMDisableLaunchAnimation        = @"MMDisableLaunchAnimation";
+NSString *MMDisableLaunchAnimationKey     = @"MMDisableLaunchAnimation";
 NSString *MMLoginShellKey                 = @"MMLoginShell";
 NSString *MMUntitledWindowKey             = @"MMUntitledWindow";
 NSString *MMZoomBothKey                   = @"MMZoomBoth";