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winemac: Better handle z-ordering windows that are in Cocoa parent-child window relationships. 

The code had been handling ordering sibling windows relative to each other,
including windows neither of which were child windows.  However, it wasn't
properly handling other relationships (e.g. cousins, nieces, uncles, etc.).

The reason this is complicated is that Cocoa keeps child windows in a fixed
relative order to their parent and siblings.  The normal -orderWindow:relativeTo:
method doesn't work.  One has to remove the children from the parent and re-add
them in the desired order.

Signed-off-by: Ken Thomases <ken@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Ken Thomases 2017-04-24 13:07:12 -05:00 committed by Alexandre Julliard
parent e30b1aef1b
commit 302593c9c0
1 changed files with 97 additions and 19 deletions
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116
dlls/winemac.drv/cocoa_window.m
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@ -1457,8 +1457,15 @@ - (void) order:(NSWindowOrderingMode)mode childWindow:(WineWindow*)child relativ
windowNumbers = [[[[self class] windowNumbersWithOptions:NSWindowNumberListAllSpaces] mutableCopy] autorelease];
childWindowNumber = [NSNumber numberWithInteger:[child windowNumber]];
[windowNumbers removeObject:childWindowNumber];
otherIndex = [windowNumbers indexOfObject:[NSNumber numberWithInteger:[other windowNumber]]];
[windowNumbers insertObject:childWindowNumber atIndex:otherIndex + (mode == NSWindowAbove ? 0 : 1)];
if (other)
{
otherIndex = [windowNumbers indexOfObject:[NSNumber numberWithInteger:[other windowNumber]]];
[windowNumbers insertObject:childWindowNumber atIndex:otherIndex + (mode == NSWindowAbove ? 0 : 1)];
}
else if (mode == NSWindowAbove)
[windowNumbers insertObject:childWindowNumber atIndex:0];
else
[windowNumbers addObject:childWindowNumber];
// Get our child windows and sort them in the reverse of the desired
// z-order (back-to-front).
@ -1472,6 +1479,52 @@ - (void) order:(NSWindowOrderingMode)mode childWindow:(WineWindow*)child relativ
[self setChildWineWindows:children];
}
// Search the ancestor windows of self and other to find a place where some ancestors are siblings of each other.
// There are three possible results in terms of the values of *ancestor and *ancestorOfOther on return:
// (non-nil, non-nil) there is a level in the window tree where the two windows have sibling ancestors
// if *ancestor has a parent Wine window, then it's the parent of the other ancestor, too
// otherwise, the two ancestors are each roots of disjoint window trees
// (nil, non-nil) the other window is a descendent of self and *ancestorOfOther is the direct child
// (non-nil, nil) self is a descendent of other and *ancestor is the direct child
- (void) getSiblingWindowsForWindow:(WineWindow*)other ancestor:(WineWindow**)ancestor ancestorOfOther:(WineWindow**)ancestorOfOther
{
NSMutableArray* otherAncestors = [NSMutableArray arrayWithObject:other];
WineWindow* child;
WineWindow* parent;
for (child = other;
(parent = (WineWindow*)child.parentWindow) && [parent isKindOfClass:[WineWindow class]];
child = parent)
{
if (parent == self)
{
*ancestor = nil;
*ancestorOfOther = child;
return;
}
[otherAncestors addObject:parent];
}
for (child = self;
(parent = (WineWindow*)child.parentWindow) && [parent isKindOfClass:[WineWindow class]];
child = parent)
{
NSUInteger index = [otherAncestors indexOfObjectIdenticalTo:parent];
if (index != NSNotFound)
{
*ancestor = child;
if (index == 0)
*ancestorOfOther = nil;
else
*ancestorOfOther = [otherAncestors objectAtIndex:index - 1];
return;
}
}
*ancestor = child;
*ancestorOfOther = otherAncestors.lastObject;;
}
/* Returns whether or not the window was ordered in, which depends on if
its frame intersects any screen. */
- (void) orderBelow:(WineWindow*)prev orAbove:(WineWindow*)next activate:(BOOL)activate
@ -1481,6 +1534,8 @@ - (void) orderBelow:(WineWindow*)prev orAbove:(WineWindow*)next activate:(BOOL)a
{
BOOL needAdjustWindowLevels = FALSE;
BOOL wasVisible;
WineWindow* parent;
WineWindow* child;
[controller transformProcessToForeground];
if ([NSApp isHidden])
@ -1502,30 +1557,53 @@ - (void) orderBelow:(WineWindow*)prev orAbove:(WineWindow*)next activate:(BOOL)a
if (![self isOrdered:orderingMode relativeTo:other])
{
WineWindow* parent = (WineWindow*)[self parentWindow];
WineWindow* otherParent = (WineWindow*)[other parentWindow];
WineWindow* ancestor;
WineWindow* ancestorOfOther;
// This window level may not be right for this window based
// on floating-ness, fullscreen-ness, etc. But we set it
// temporarily to allow us to order the windows properly.
// Then the levels get fixed by -adjustWindowLevels.
if ([self level] != [other level])
[self setLevel:[other level]];
[self setAutodisplay:YES];
[self orderWindow:orderingMode relativeTo:[other windowNumber]];
[self checkWineDisplayLink];
[self getSiblingWindowsForWindow:other ancestor:&ancestor ancestorOfOther:&ancestorOfOther];
if (ancestor)
{
[self setAutodisplay:YES];
if (ancestorOfOther)
{
// This window level may not be right for this window based
// on floating-ness, fullscreen-ness, etc. But we set it
// temporarily to allow us to order the windows properly.
// Then the levels get fixed by -adjustWindowLevels.
if ([ancestor level] != [ancestorOfOther level])
[ancestor setLevel:[ancestorOfOther level]];
// The above call to -[NSWindow orderWindow:relativeTo:] won't
// reorder windows which are both children of the same parent
// relative to each other, so do that separately.
if (parent && parent == otherParent)
[parent order:orderingMode childWindow:self relativeTo:other];
parent = (WineWindow*)ancestor.parentWindow;
if ([parent isKindOfClass:[WineWindow class]])
[parent order:orderingMode childWindow:ancestor relativeTo:ancestorOfOther];
else
[ancestor orderWindow:orderingMode relativeTo:[ancestorOfOther windowNumber]];
}
needAdjustWindowLevels = TRUE;
for (child = self;
(parent = (WineWindow*)child.parentWindow);
child = parent)
{
if ([parent isKindOfClass:[WineWindow class]])
[parent order:-orderingMode childWindow:child relativeTo:nil];
if (parent == ancestor)
break;
}
[self checkWineDisplayLink];
needAdjustWindowLevels = TRUE;
}
}
}
else
{
for (child = self;
(parent = (WineWindow*)child.parentWindow) && [parent isKindOfClass:[WineWindow class]];
child = parent)
{
[parent order:NSWindowAbove childWindow:child relativeTo:nil];
}
// Again, temporarily set level to make sure we can order to
// the right place.
next = [controller frontWineWindow];