Fixing bug #2891502 by allowing window sizes larger than the screen.

svn path=/trunk/matplotlib/; revision=8240

Author: mdehoon

src/_macosx.m

@@ -320,6 +320,7 @@ @interface Window : NSWindow
 {   PyObject* manager;
 }
 - (Window*)initWithContentRect:(NSRect)rect styleMask:(unsigned int)mask backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation withManager: (PyObject*)theManager;
+- (NSRect)constrainFrameRect:(NSRect)rect toScreen:(NSScreen*)screen;
 - (BOOL)closeButtonPressed;
 - (void)close;
 - (void)dealloc;
@@ -4396,6 +4397,16 @@ - (Window*)initWithContentRect:(NSRect)rect styleMask:(unsigned int)mask backing
     return self;
 }
 
+- (NSRect)constrainFrameRect:(NSRect)rect toScreen:(NSScreen*)screen
+{
+    /* Allow window sizes larger than the screen */
+    NSRect suggested = [super constrainFrameRect: rect toScreen: screen];
+    const CGFloat difference = rect.size.height - suggested.size.height;
+    suggested.origin.y -= difference;
+    suggested.size.height += difference;
+    return suggested;
+}
+
 - (BOOL)closeButtonPressed
 {
     PyObject* result;