macosx: implement native fullscreen behaviour for yosemite titlebar

(cherry picked from commit 0b001a0763aa2e34f6abd921184ce58d56947421)
Signed-off-by: David Fuhrmann <dfuhrmann@videolan.org>

modules/gui/macosx/MainWindowTitle.h

@@ -39,6 +39,10 @@
     NSImage * o_green_img;
     NSImage * o_green_over_img;
     NSImage * o_green_on_img;
+    // yosemite fullscreen images
+    NSImage * o_fullscreen_img;
+    NSImage * o_fullscreen_over_img;
+    NSImage * o_fullscreen_on_img;
     NSShadow * o_window_title_shadow;
     NSDictionary * o_window_title_attributes_dict;
 
@@ -47,15 +51,21 @@
     IBOutlet id o_green_btn;
     IBOutlet id o_fullscreen_btn;
     IBOutlet id o_title_lbl;
+
+    BOOL b_nativeFullscreenMode;
+
+    // state to determine correct image for green bubble
+    BOOL b_alt_pressed;
+    BOOL b_mouse_over;
 }
 @property (readonly) NSButton * closeButton;
 @property (readonly) NSButton * minimizeButton;
 @property (readonly) NSButton * zoomButton;
 
+- (void)informModifierPressed:(BOOL)b_is_altkey;
 - (void)loadButtonIcons;
 - (IBAction)buttonAction:(id)sender;
 - (void)setWindowTitle:(NSString *)title;
-- (void)setFullscreenButtonHidden:(BOOL)b_value;
 - (void)setWindowButtonOver:(BOOL)b_value;
 - (void)setWindowFullscreenButtonOver:(BOOL)b_value;
 

modules/gui/macosx/MainWindowTitle.m

@@ -57,6 +57,9 @@
     [o_green_img release];
     [o_green_over_img release];
     [o_green_on_img release];
+    [o_fullscreen_img release];
+    [o_fullscreen_over_img release];
+    [o_fullscreen_on_img release];
 
     [o_window_title_shadow release];
     [o_window_title_attributes_dict release];
@@ -66,6 +69,16 @@
 
 - (void)awakeFromNib
 {
+    b_nativeFullscreenMode = NO;
+#ifdef MAC_OS_X_VERSION_10_7
+    if (!OSX_SNOW_LEOPARD)
+        b_nativeFullscreenMode = var_InheritBool(VLCIntf, "macosx-nativefullscreenmode");
+#endif
+
+    if (!b_nativeFullscreenMode || OSX_YOSEMITE) {
+        [o_fullscreen_btn setHidden: YES];
+    }
+
     [self setAutoresizesSubviews: YES];
     [self setImagesLeft:imageFromRes(@"topbar-dark-left") middle: imageFromRes(@"topbar-dark-center-fill") right:imageFromRes(@"topbar-dark-right")];
 
@@ -75,16 +88,6 @@
 
 - (void)controlTintChanged:(NSNotification *)notification
 {
-    [o_red_img release];
-    [o_red_over_img release];
-    [o_red_on_img release];
-    [o_yellow_img release];
-    [o_yellow_over_img release];
-    [o_yellow_on_img release];
-    [o_green_img release];
-    [o_green_over_img release];
-    [o_green_on_img release];
-
     [self loadButtonIcons];
 
     [o_red_btn setNeedsDisplay];
@@ -92,6 +95,17 @@
     [o_green_btn setNeedsDisplay];
 }
 
+- (void)informModifierPressed:(BOOL)b_is_altkey;
+{
+    BOOL b_state_changed = b_alt_pressed != b_is_altkey;
+
+    b_alt_pressed = b_is_altkey;
+
+    if (b_state_changed) {
+        [self updateGreenButton];
+    }
+}
+
 - (NSImage *)getButtonImage:(NSString *)o_id
 {
     NSString *o_name = @"";
@@ -114,6 +128,19 @@
 
 - (void)loadButtonIcons
 {
+    [o_red_img release];
+    [o_red_over_img release];
+    [o_red_on_img release];
+    [o_yellow_img release];
+    [o_yellow_over_img release];
+    [o_yellow_on_img release];
+    [o_green_img release];
+    [o_green_over_img release];
+    [o_green_on_img release];
+    [o_fullscreen_img release];
+    [o_fullscreen_over_img release];
+    [o_fullscreen_on_img release];
+
     o_red_img = [[self getButtonImage:@"window-close"] retain];
     o_red_over_img = [[self getButtonImage:@"window-close-over"] retain];
     o_red_on_img = [[self getButtonImage:@"window-close-on"] retain];
@@ -124,6 +151,13 @@
     o_green_over_img = [[self getButtonImage:@"window-zoom-over"] retain];
     o_green_on_img = [[self getButtonImage:@"window-zoom-on"] retain];
 
+    // these files are only available in the yosemite variant
+    if (OSX_YOSEMITE) {
+        o_fullscreen_img = [[self getButtonImage:@"window-fullscreen"] retain];
+        o_fullscreen_over_img = [[self getButtonImage:@"window-fullscreen-over"] retain];
+        o_fullscreen_on_img = [[self getButtonImage:@"window-fullscreen-on"] retain];
+    }
+
     [o_red_btn setImage: o_red_img];
     [o_red_btn setAlternateImage: o_red_on_img];
     [[o_red_btn cell] setShowsBorderOnlyWhileMouseInside: YES];
@@ -132,8 +166,8 @@
     [o_yellow_btn setAlternateImage: o_yellow_on_img];
     [[o_yellow_btn cell] setShowsBorderOnlyWhileMouseInside: YES];
     [[o_yellow_btn cell] setTag: 1];
-    [o_green_btn setImage: o_green_img];
-    [o_green_btn setAlternateImage: o_green_on_img];
+
+    [self updateGreenButton];
     [[o_green_btn cell] setShowsBorderOnlyWhileMouseInside: YES];
     [[o_green_btn cell] setTag: 2];
     [o_fullscreen_btn setImage: [NSImage imageNamed:@"window-fullscreen"]];
@@ -142,6 +176,31 @@
     [[o_fullscreen_btn cell] setTag: 3];
 }
 
+- (void)updateGreenButton
+{
+    // default image for old version, or if native fullscreen is
+    // disabled on yosemite, or if alt key is pressed
+    if (!OSX_YOSEMITE || !b_nativeFullscreenMode || b_alt_pressed) {
+
+        if (b_mouse_over) {
+            [o_green_btn setImage: o_green_over_img];
+            [o_green_btn setAlternateImage: o_green_on_img];
+        } else {
+            [o_green_btn setImage: o_green_img];
+            [o_green_btn setAlternateImage: o_green_on_img];
+        }
+    } else {
+
+        if (b_mouse_over) {
+            [o_green_btn setImage: o_fullscreen_over_img];
+            [o_green_btn setAlternateImage: o_fullscreen_on_img];
+        } else {
+            [o_green_btn setImage: o_fullscreen_img];
+            [o_green_btn setAlternateImage: o_fullscreen_on_img];
+        }
+    }
+}
+
 - (BOOL)mouseDownCanMoveWindow
 {
     return YES;
@@ -153,9 +212,13 @@
         [[self window] performClose: sender];
     else if (sender == o_yellow_btn)
         [[self window] miniaturize: sender];
-    else if (sender == o_green_btn)
-        [[self window] performZoom: sender];
-    else if (sender == o_fullscreen_btn) {
+    else if (sender == o_green_btn) {
+        if (OSX_YOSEMITE && b_nativeFullscreenMode && !b_alt_pressed) {
+            [[self window] toggleFullScreen:self];
+        } else {
+            [[self window] performZoom: sender];
+        }
+    } else if (sender == o_fullscreen_btn) {
         // same action as native fs button
         [[self window] toggleFullScreen:self];
 
@@ -185,22 +248,18 @@
     [o_attributed_title release];
 }
 
-- (void)setFullscreenButtonHidden:(BOOL)b_value
-{
-    [o_fullscreen_btn setHidden: b_value];
-}
-
 - (void)setWindowButtonOver:(BOOL)b_value
 {
+    b_mouse_over = b_value;
     if (b_value) {
         [o_red_btn setImage: o_red_over_img];
         [o_yellow_btn setImage: o_yellow_over_img];
-        [o_green_btn setImage: o_green_over_img];
     } else {
         [o_red_btn setImage: o_red_img];
         [o_yellow_btn setImage: o_yellow_img];
-        [o_green_btn setImage: o_green_img];
     }
+
+    [self updateGreenButton];
 }
 
 - (void)setWindowFullscreenButtonOver:(BOOL)b_value

modules/gui/macosx/Windows.h

@@ -74,6 +74,7 @@
 static const float f_min_video_height = 70.0;
 
 @class VLCControlsBarCommon;
+@class VLCMainWindowTitleView;
 
 /*****************************************************************************
  * VLCVideoWindowCommon
@@ -86,7 +87,7 @@ static const float f_min_video_height = 70.0;
     NSRect previousSavedFrame;
     BOOL b_dark_interface;
 
-    IBOutlet id o_titlebar_view; // only set in main or detached window
+    IBOutlet VLCMainWindowTitleView *o_titlebar_view; // only set in main or detached window
     IBOutlet VLCVoutView *o_video_view;
 
     IBOutlet VLCControlsBarCommon *o_controls_bar;

modules/gui/macosx/Windows.m

@@ -335,10 +335,9 @@
 
     if (b_nativeFullscreenMode) {
         [self setCollectionBehavior: NSWindowCollectionBehaviorFullScreenPrimary];
-    } else {
-        [o_titlebar_view setFullscreenButtonHidden: YES];
     }
 
+
     [super awakeFromNib];
 }
 
@@ -645,6 +644,17 @@
     [super mouseMoved: theEvent];
 }
 
+#pragma mark -
+#pragma mark Key events
+
+- (void)flagsChanged:(NSEvent *)theEvent
+{
+    BOOL b_alt_pressed = ([theEvent modifierFlags] & NSAlternateKeyMask) != 0;
+    [o_titlebar_view informModifierPressed: b_alt_pressed];
+
+    [super flagsChanged:theEvent];
+}
+
 #pragma mark -
 #pragma mark Lion native fullscreen handling