Evaluate [normalWindow styleMask] & NSWindowStyleMaskResizable instead.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
 ui/cocoa.m | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/ui/cocoa.m b/ui/cocoa.m
index aeec3c48859c..0ed40cd97d28 100644
--- a/ui/cocoa.m
+++ b/ui/cocoa.m
@@ -103,7 +103,6 @@ static void cocoa_switch(DisplayChangeListener *dcl,
 static int left_command_key_enabled = 1;
 static bool swap_opt_cmd;
 
-static bool stretch_video;
 static NSTextField *pauseLabel;
 
 static bool allow_events;
@@ -533,7 +532,7 @@ - (void) resizeWindow
 {
     [[self window] setContentAspectRatio:NSMakeSize(screen.width, screen.height)];
 
-    if (!stretch_video) {
+    if (!([[self window] styleMask] & NSWindowStyleMaskResizable)) {
         [[self window] setContentSize:NSMakeSize(screen.width, screen.height)];
         [[self window] center];
     } else if ([[self window] styleMask] & NSWindowStyleMaskFullScreen) {
@@ -1295,7 +1294,7 @@ - (BOOL)windowShouldClose:(id)sender
 
 - (NSSize) window:(NSWindow *)window willUseFullScreenContentSize:(NSSize)proposedSize
 {
-    if (stretch_video) {
+    if ([normalWindow styleMask] & NSWindowStyleMaskResizable) {
         return [cocoaView fixZoomedFullScreenSize:proposedSize];
     }
 
@@ -1376,8 +1375,7 @@ - (void)showQEMUDoc:(id)sender
 /* Stretches video to fit host monitor size */
 - (void)zoomToFit:(id) sender
 {
-    stretch_video = !stretch_video;
-    if (stretch_video == true) {
+    if (([normalWindow styleMask] & NSWindowStyleMaskResizable) == 0) {
         [normalWindow setStyleMask:[normalWindow styleMask] | NSWindowStyleMaskResizable];
         [sender setState: NSControlStateValueOn];
     } else {
@@ -1649,7 +1647,7 @@ static void create_initial_menus(void)
     menu = [[NSMenu alloc] initWithTitle:@"View"];
     [menu addItem: [[[NSMenuItem alloc] initWithTitle:@"Enter Fullscreen" action:@selector(doToggleFullScreen:) keyEquivalent:@"f"] autorelease]]; // Fullscreen
     menuItem = [[[NSMenuItem alloc] initWithTitle:@"Zoom To Fit" action:@selector(zoomToFit:) keyEquivalent:@""] autorelease];
-    [menuItem setState: stretch_video ? NSControlStateValueOn : NSControlStateValueOff];
+    [menuItem setState: [normalWindow styleMask] & NSWindowStyleMaskResizable ? NSControlStateValueOn : NSControlStateValueOff];
     [menu addItem: menuItem];
     menuItem = [[[NSMenuItem alloc] initWithTitle:@"View" action:nil keyEquivalent:@""] autorelease];
     [menuItem setSubmenu:menu];
@@ -2035,7 +2033,6 @@ static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
     }
 
     if (opts->u.cocoa.has_zoom_to_fit && opts->u.cocoa.zoom_to_fit) {
-        stretch_video = true;
         [normalWindow setStyleMask:[normalWindow styleMask] | NSWindowStyleMaskResizable];
     }
 

-- 
2.43.0