7124553: [macosx] Need minimum size for titled Frames and JFrames

Summary: Forward-port the fix from 7u4 and also eliminate the grow box since we only support OS X 10.7+ that doesn't require it.
Reviewed-by: art, swingler

src/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java

@@ -661,11 +661,19 @@ public class CPlatformWindow extends CFRetainedResource implements PlatformWindo
     @Override
     public void setResizable(boolean resizable) {
         setStyleBits(RESIZABLE, resizable);
+
+        // Re-apply the size constraints and the size to ensure the space
+        // occupied by the grow box is counted properly
+        setMinimumSize(1, 1); // the method ignores its arguments
+
+        Rectangle bounds = peer.getBounds();
+        setBounds(bounds.x, bounds.y, bounds.width, bounds.height);
     }
 
     @Override
     public void setMinimumSize(int width, int height) {
         //TODO width, height should be used
+        //NOTE: setResizable() calls setMinimumSize(1,1) relaying on the logic below
         final long nsWindowPtr = getNSWindowPtr();
         final Dimension min = target.getMinimumSize();
         final Dimension max = target.getMaximumSize();

src/macosx/native/sun/awt/AWTWindow.h

@@ -39,7 +39,6 @@
 @private
     JNFWeakJObjectWrapper *javaPlatformWindow;
     CMenuBar *javaMenuBar;
-    NSWindow *growBoxWindow;
     NSSize javaMinSize;
     NSSize javaMaxSize;
     jint styleBits;
@@ -47,7 +46,6 @@
 
 @property (nonatomic, retain) JNFWeakJObjectWrapper *javaPlatformWindow;
 @property (nonatomic, retain) CMenuBar *javaMenuBar;
-@property (nonatomic, retain) NSWindow *growBoxWindow;
 @property (nonatomic) NSSize javaMinSize;
 @property (nonatomic) NSSize javaMaxSize;
 @property (nonatomic) jint styleBits;

src/macosx/native/sun/awt/AWTWindow.m

@@ -40,7 +40,6 @@
 #import "ThreadUtilities.h"
 #import "OSVersion.h"
 
-
 #define MASK(KEY) \
     (sun_lwawt_macosx_CPlatformWindow_ ## KEY)
 
@@ -50,31 +49,12 @@
 #define SET(BITS, KEY, VALUE) \
     BITS = VALUE ? BITS | MASK(KEY) : BITS & ~MASK(KEY)
 
-
 static JNF_CLASS_CACHE(jc_CPlatformWindow, "sun/lwawt/macosx/CPlatformWindow");
 
-@interface JavaResizeGrowBoxOverlayWindow : NSWindow { }
-
-@end
-
-@implementation JavaResizeGrowBoxOverlayWindow
-
-- (BOOL) accessibilityIsIgnored
-{
-    return YES;
-}
-
-- (NSArray *)accessibilityChildrenAttribute
-{
-    return nil;
-}
-@end
-
 @implementation AWTWindow
 
 @synthesize javaPlatformWindow;
 @synthesize javaMenuBar;
-@synthesize growBoxWindow;
 @synthesize javaMinSize;
 @synthesize javaMaxSize;
 @synthesize styleBits;
@@ -154,24 +134,6 @@ static JNF_CLASS_CACHE(jc_CPlatformWindow, "sun/lwawt/macosx/CPlatformWindow");
 
 }
 
-- (BOOL) shouldShowGrowBox {
-    return isSnowLeopardOrLower() && IS(self.styleBits, RESIZABLE);
-}
-
-- (NSImage *) createGrowBoxImage {
-    NSImage *image = [[NSImage alloc] initWithSize:NSMakeSize(12, 12)];
-    JRSUIControlRef growBoxWidget = JRSUIControlCreate(FALSE);
-    JRSUIControlSetWidget(growBoxWidget, kJRSUI_Widget_growBoxTextured);
-    JRSUIControlSetWindowType(growBoxWidget, kJRSUI_WindowType_utility);
-    JRSUIRendererRef renderer = JRSUIRendererCreate();
-    [image lockFocus]; // sets current graphics context to that of the image
-    JRSUIControlDraw(renderer, growBoxWidget, [[NSGraphicsContext currentContext] graphicsPort], CGRectMake(0, 1, 11, 11));
-    [image unlockFocus];
-    JRSUIRendererRelease(renderer);
-    JRSUIControlRelease(growBoxWidget);
-    return image;
-}
-
 - (id) initWithPlatformWindow:(JNFWeakJObjectWrapper *)platformWindow
                     styleBits:(jint)bits
                     frameRect:(NSRect)rect
@@ -205,28 +167,6 @@ AWT_ASSERT_APPKIT_THREAD;
     [self setReleasedWhenClosed:NO];
     [self setPreservesContentDuringLiveResize:YES];
 
-    if ([self shouldShowGrowBox]) {
-        NSImage *growBoxImage = [self createGrowBoxImage];
-        growBoxWindow = [[JavaResizeGrowBoxOverlayWindow alloc] initWithContentRect:NSMakeRect(0, 0, [growBoxImage size].width, [growBoxImage size].height) styleMask:NSBorderlessWindowMask backing:NSBackingStoreBuffered defer:NO];
-        [self.growBoxWindow setIgnoresMouseEvents:YES];
-        [self.growBoxWindow setOpaque:NO];
-        [self.growBoxWindow setBackgroundColor:[NSColor clearColor]];
-        [self.growBoxWindow setHasShadow:NO];
-        [self.growBoxWindow setReleasedWhenClosed:NO];
-
-        NSImageView *imageView = [[NSImageView alloc] initWithFrame:[self.growBoxWindow frame]];
-        [imageView setEditable:NO];
-        [imageView setAnimates:NO];
-        [imageView setAllowsCutCopyPaste:NO];
-        [self.growBoxWindow setContentView:imageView];
-        [imageView setImage:growBoxImage];
-        [growBoxImage release];
-        [imageView release];
-
-        [self addChildWindow:self.growBoxWindow ordered:NSWindowAbove];
-        [self adjustGrowBoxWindow];
-    } else growBoxWindow = nil;
-
     return self;
 }
 
@@ -235,7 +175,6 @@ AWT_ASSERT_APPKIT_THREAD;
 
     JNIEnv *env = [ThreadUtilities getJNIEnv];
     [self.javaPlatformWindow setJObject:nil withEnv:env];
-    self.growBoxWindow = nil;
 
     [super dealloc];
 }
@@ -321,14 +260,6 @@ AWT_ASSERT_APPKIT_THREAD;
 
 // NSWindowDelegate methods
 
-- (void) adjustGrowBoxWindow {
-    if (self.growBoxWindow != nil) {
-        NSRect parentRect = [self frame];
-        parentRect.origin.x += (parentRect.size.width - [self.growBoxWindow frame].size.width);
-        [self.growBoxWindow setFrameOrigin:parentRect.origin];
-    }
-}
-
 - (void) _deliverMoveResizeEvent {
 AWT_ASSERT_APPKIT_THREAD;
 
@@ -342,8 +273,6 @@ AWT_ASSERT_APPKIT_THREAD;
         // TODO: create generic AWT assert
     }
 
-    [self adjustGrowBoxWindow];
-
     NSRect frame = ConvertNSScreenRect(env, [self frame]);
 
     static JNF_MEMBER_CACHE(jm_deliverMoveResizeEvent, jc_CPlatformWindow, "deliverMoveResizeEvent", "(IIII)V");
@@ -548,6 +477,31 @@ AWT_ASSERT_APPKIT_THREAD;
         }
         [super sendEvent:event];
 }
+
+- (void)constrainSize:(NSSize*)size {
+    float minWidth = 0.f, minHeight = 0.f;
+
+    if (IS(self.styleBits, DECORATED)) {
+        NSRect frame = [self frame];
+        NSRect contentRect = [NSWindow contentRectForFrameRect:frame styleMask:[self styleMask]];
+
+        float top = frame.size.height - contentRect.size.height;
+        float left = contentRect.origin.x - frame.origin.x;
+        float bottom = contentRect.origin.y - frame.origin.y;
+        float right = frame.size.width - (contentRect.size.width + left);
+
+        // Speculative estimation: 80 - enough for window decorations controls
+        minWidth += left + right + 80;
+        minHeight += top + bottom;
+    }
+
+    minWidth = MAX(1.f, minWidth);
+    minHeight = MAX(1.f, minHeight);
+
+    size->width = MAX(size->width, minWidth);
+    size->height = MAX(size->height, minHeight);
+}
+
 @end // AWTWindow
 
 
@@ -703,6 +657,8 @@ AWT_ASSERT_NOT_APPKIT_THREAD;
         AWT_ASSERT_APPKIT_THREAD;
 
         NSRect rect = ConvertNSScreenRect(NULL, jrect);
+        [window constrainSize:&rect.size];
+
         [window setFrame:rect display:YES];
 
         // only start tracking events if pointer is above the toplevel
@@ -734,13 +690,16 @@ AWT_ASSERT_NOT_APPKIT_THREAD;
     if (maxW < 1) maxW = 1;
     if (maxH < 1) maxH = 1;
 
-    NSSize min = { minW, minH };
-    NSSize max = { maxW, maxH };
-
     AWTWindow *window = OBJC(windowPtr);
     [JNFRunLoop performOnMainThreadWaiting:NO withBlock:^(){
         AWT_ASSERT_APPKIT_THREAD;
 
+        NSSize min = { minW, minH };
+        NSSize max = { maxW, maxH };
+
+        [window constrainSize:&min];
+        [window constrainSize:&max];
+
         window.javaMinSize = min;
         window.javaMaxSize = max;
         [window updateMinMaxSize:IS(window.styleBits, RESIZABLE)];
@@ -830,7 +789,6 @@ AWT_ASSERT_NOT_APPKIT_THREAD;
         AWT_ASSERT_APPKIT_THREAD;
 
         [window setAlphaValue:alpha];
-        [window.growBoxWindow setAlphaValue:alpha];
     }];
 
 JNF_COCOA_EXIT(env);