Rework of display* mechanism to use new MacOSX10.4 method.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@25291 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Fred Kiefer 2007-06-26 16:46:50 +00:00
parent a9e9ebde19
commit 98120cfcbb
6 changed files with 397 additions and 368 deletions

View file

@ -54,6 +54,7 @@
#include "AppKit/NSAffineTransform.h"
#include "AppKit/NSApplication.h"
#include "AppKit/NSBezierPath.h"
#include "AppKit/NSBitmapImageRep.h"
#include "AppKit/NSCursor.h"
#include "AppKit/NSDocumentController.h"
#include "AppKit/NSDocument.h"
@ -291,63 +292,63 @@ GSSetDragTypes(NSView* obj, NSArray *types)
{
_coordinates_valid = YES;
if (!_window)
{
_visibleRect = NSZeroRect;
[_matrixToWindow makeIdentityMatrix];
[_matrixFromWindow makeIdentityMatrix];
}
{
_visibleRect = NSZeroRect;
[_matrixToWindow makeIdentityMatrix];
[_matrixFromWindow makeIdentityMatrix];
}
if (!_super_view)
{
_visibleRect = _bounds;
[_matrixToWindow makeIdentityMatrix];
[_matrixFromWindow makeIdentityMatrix];
}
{
_visibleRect = _bounds;
[_matrixToWindow makeIdentityMatrix];
[_matrixFromWindow makeIdentityMatrix];
}
else
{
NSRect superviewsVisibleRect;
BOOL wasFlipped = _super_view->_rFlags.flipped_view;
NSAffineTransform *pMatrix = [_super_view _matrixToWindow];
NSAffineTransformStruct ts = [pMatrix transformStruct];
{
NSRect superviewsVisibleRect;
BOOL wasFlipped = _super_view->_rFlags.flipped_view;
NSAffineTransform *pMatrix = [_super_view _matrixToWindow];
NSAffineTransformStruct ts = [pMatrix transformStruct];
/* prepend translation */
ts.tX = NSMinX(_frame) * ts.m11 + NSMinY(_frame) * ts.m21 + ts.tX;
ts.tY = NSMinX(_frame) * ts.m12 + NSMinY(_frame) * ts.m22 + ts.tY;
[_matrixToWindow setTransformStruct: ts];
/* prepend translation */
ts.tX = NSMinX(_frame) * ts.m11 + NSMinY(_frame) * ts.m21 + ts.tX;
ts.tY = NSMinX(_frame) * ts.m12 + NSMinY(_frame) * ts.m22 + ts.tY;
[_matrixToWindow setTransformStruct: ts];
/* prepend rotation */
if (_frameMatrix != nil)
{
(*preImp)(_matrixToWindow, preSel, _frameMatrix);
}
/* prepend rotation */
if (_frameMatrix != nil)
{
(*preImp)(_matrixToWindow, preSel, _frameMatrix);
}
if (_rFlags.flipped_view != wasFlipped)
{
/*
* The flipping process must result in a coordinate system that
* exactly overlays the original. To do that, we must translate
* the origin by the height of the view.
*/
ts = [flip transformStruct];
ts.tY = _frame.size.height;
[flip setTransformStruct: ts];
(*preImp)(_matrixToWindow, preSel, flip);
}
(*preImp)(_matrixToWindow, preSel, _boundsMatrix);
ts = [_matrixToWindow transformStruct];
[_matrixFromWindow setTransformStruct: ts];
[_matrixFromWindow invert];
if (_rFlags.flipped_view != wasFlipped)
{
/*
* The flipping process must result in a coordinate system that
* exactly overlays the original. To do that, we must translate
* the origin by the height of the view.
*/
ts = [flip transformStruct];
ts.tY = _frame.size.height;
[flip setTransformStruct: ts];
(*preImp)(_matrixToWindow, preSel, flip);
}
(*preImp)(_matrixToWindow, preSel, _boundsMatrix);
ts = [_matrixToWindow transformStruct];
[_matrixFromWindow setTransformStruct: ts];
[_matrixFromWindow invert];
superviewsVisibleRect = [self convertRect: [_super_view visibleRect]
fromView: _super_view];
superviewsVisibleRect = [self convertRect: [_super_view visibleRect]
fromView: _super_view];
_visibleRect = NSIntersectionRect(superviewsVisibleRect, _bounds);
}
_visibleRect = NSIntersectionRect(superviewsVisibleRect, _bounds);
}
if (_rFlags.has_tooltips != 0)
{
GSToolTips *tt = [GSToolTips tipsForView: self];
GSToolTips *tt = [GSToolTips tipsForView: self];
[tt rebuild];
}
[tt rebuild];
}
}
}
@ -359,19 +360,40 @@ GSSetDragTypes(NSView* obj, NSArray *types)
unsigned count = [_sub_views count];
if (count > 0)
{
unsigned i;
NSView *array[count];
{
unsigned i;
NSView *array[count];
[_sub_views getObjects: array];
for (i = 0; i < count; ++i)
{
[array[i] _viewDidMoveToWindow];
}
}
[_sub_views getObjects: array];
for (i = 0; i < count; ++i)
{
[array[i] _viewDidMoveToWindow];
}
}
}
}
/*
* Extend in super view covered by the frame of a view.
* When the frame is rotated, this is different from the frame.
*/
- (NSRect) _frameExtend
{
NSRect frame = _frame;
if (_frameMatrix != nil)
{
NSRect r;
r.origin = NSZeroPoint;
r.size = frame.size;
[_frameMatrix boundingRectFor: r result: &r];
frame = NSOffsetRect(r, NSMinX(frame),
NSMinY(frame));
}
return frame;
}
/*
* Class methods
@ -2034,6 +2056,35 @@ convert_rect_using_matrices(NSRect aRect, NSAffineTransform *matrix1,
}
}
/*
* The following display* methods work based on these invariants:
* - When a view is marked as needing display, all views above it
* in the hierarchy are marked as well.
* - When a view has an invalid rectangle, all views above it up
* to the next opaque view also include this invalid rectangle.
*
* After drawing an area in a view give, subviews a chance to draw
* there too.
* When drawing a non-opaque subview we need to make sure any area
* we draw in has been drawn by the opaque superview as well.
*
* When drawing the invalid area of a view, we need to make sure
* that invalid areas in opaque subviews get drawn as well. These
* areas will not be included in the invalid area of the view.
*
* IfNeeded means we only draw if the view is marked as needing display
* and will only draw in the _invalidRect of this view and that of all
* the opaque subviews. For non-opaque subviews we need to draw where
* ever a superview has already drawn.
*
* InRect means we will only draw in this rectangle. If non is given the
* visibleRect gets used.
*
* IgnoringOpacity means we start drawing at the current view. Otherwise
* we go up to the next opaque view.
*
*/
- (void) display
{
[self displayRect: [self visibleRect]];
@ -2043,44 +2094,7 @@ convert_rect_using_matrices(NSRect aRect, NSAffineTransform *matrix1,
{
if (_rFlags.needs_display == YES)
{
if ([self isOpaque] == YES)
{
[self displayIfNeededIgnoringOpacity];
}
else
{
NSView *firstOpaque = [self opaqueAncestor];
NSRect rect;
if (_coordinates_valid == NO)
{
[self _rebuildCoordinates];
}
rect = NSIntersectionRect(_invalidRect, _visibleRect);
rect = [firstOpaque convertRect: rect fromView: self];
if (NSIsEmptyRect(rect) == NO)
{
[firstOpaque displayIfNeededInRectIgnoringOpacity: rect];
}
/*
* If we still need display after displaying the invalid rectangle,
* display any subviews that need display.
*/
if (_rFlags.needs_display == YES)
{
NSEnumerator *enumerator = [_sub_views objectEnumerator];
NSView *sub;
while ((sub = [enumerator nextObject]) != nil)
{
if (sub->_rFlags.needs_display)
{
[sub displayIfNeededIgnoringOpacity];
}
}
_rFlags.needs_display = NO;
}
}
[self displayIfNeededInRect: [self visibleRect]];
}
}
@ -2088,35 +2102,7 @@ convert_rect_using_matrices(NSRect aRect, NSAffineTransform *matrix1,
{
if (_rFlags.needs_display == YES)
{
NSRect rect;
if (_coordinates_valid == NO)
{
[self _rebuildCoordinates];
}
rect = NSIntersectionRect(_invalidRect, _visibleRect);
if (NSIsEmptyRect(rect) == NO)
{
[self displayIfNeededInRectIgnoringOpacity: rect];
}
/*
* If we still need display after displaying the invalid rectangle,
* display any subviews that need display.
*/
if (_rFlags.needs_display == YES)
{
NSEnumerator *enumerator = [_sub_views objectEnumerator];
NSView *sub;
while ((sub = [enumerator nextObject]) != nil)
{
if (sub->_rFlags.needs_display)
{
[sub displayIfNeededIgnoringOpacity];
}
}
_rFlags.needs_display = NO;
}
[self displayIfNeededInRectIgnoringOpacity: [self visibleRect]];
}
}
@ -2125,131 +2111,72 @@ convert_rect_using_matrices(NSRect aRect, NSAffineTransform *matrix1,
if (_rFlags.needs_display == YES)
{
if ([self isOpaque] == YES)
{
[self displayIfNeededInRectIgnoringOpacity: aRect];
}
{
[self displayIfNeededInRectIgnoringOpacity: aRect];
}
else
{
NSView *firstOpaque = [self opaqueAncestor];
NSRect rect;
{
NSView *firstOpaque = [self opaqueAncestor];
rect = [firstOpaque convertRect: aRect fromView: self];
[firstOpaque displayIfNeededInRectIgnoringOpacity: rect];
}
aRect = [firstOpaque convertRect: aRect fromView: self];
[firstOpaque displayIfNeededInRectIgnoringOpacity: aRect];
}
}
}
- (void) displayIfNeededInRectIgnoringOpacity: (NSRect)aRect
{
if (![self canDraw])
{
return;
}
if (_rFlags.needs_display == YES)
{
BOOL subviewNeedsDisplay = NO;
NSRect neededRect;
NSRect redrawRect;
[_window disableFlushWindow];
if (_coordinates_valid == NO)
{
[self _rebuildCoordinates];
}
aRect = NSIntersectionRect(aRect, _visibleRect);
redrawRect = NSIntersectionRect(aRect, _invalidRect);
neededRect = NSIntersectionRect(_visibleRect, _invalidRect);
if (NSIsEmptyRect(redrawRect) == NO)
{
[self lockFocusInRect: redrawRect];
[self drawRect: redrawRect];
[self unlockFocusNeedsFlush: YES];
}
if (_rFlags.has_subviews == YES)
{
unsigned count = [_sub_views count];
if (count > 0)
{
NSView *array[count];
unsigned i;
[_sub_views getObjects: array];
for (i = 0; i < count; i++)
{
NSRect isect;
NSView *subview = array[i];
NSRect subviewFrame = subview->_frame;
BOOL intersectCalculated = NO;
if (subview->_frameMatrix) // assume rotation
{
NSRect r;
r.origin = NSZeroPoint;
r.size = subviewFrame.size;
[subview->_frameMatrix boundingRectFor: r result: &r];
subviewFrame = NSOffsetRect(r, NSMinX(subviewFrame),
NSMinY(subviewFrame));
}
/*
* Having drawn ourself into the rect, we must make sure that
* subviews overlapping the area are redrawn.
*/
isect = NSIntersectionRect(redrawRect, subviewFrame);
if (NSIsEmptyRect(isect) == NO)
{
isect = [subview convertRect: isect
fromView: self];
intersectCalculated = YES;
/*
* hack the ivars of the subview directly for speed.
*/
subview->_rFlags.needs_display = YES;
subview->_invalidRect = NSUnionRect(subview->_invalidRect,
isect);
}
if (subview->_rFlags.needs_display == YES)
{
if (intersectCalculated == NO
|| NSEqualRects(aRect, redrawRect) == NO)
{
isect = NSIntersectionRect(aRect, subviewFrame);
isect = [subview convertRect: isect
fromView: self];
}
[subview displayIfNeededInRectIgnoringOpacity: isect];
if (subview->_rFlags.needs_display == YES)
{
subviewNeedsDisplay = YES;
}
}
}
}
}
NSRect rect;
/*
* Restrict the drawing of self onto the invalid rectangle.
*/
rect = NSIntersectionRect(aRect, _invalidRect);
[self displayRectIgnoringOpacity: rect];
/*
* If the rect we displayed contains the _invalidRect or _visibleRect
* then we can empty _invalidRect.
* If all subviews have been fully displayed, we can also turn off the
* 'needs_display' flag.
*/
if (NSEqualRects(aRect, NSUnionRect(neededRect, aRect)) == YES)
{
_invalidRect = NSZeroRect;
_rFlags.needs_display = subviewNeedsDisplay;
}
if (_rFlags.needs_display == YES
&& NSEqualRects(aRect, NSUnionRect(_visibleRect, aRect)) == YES)
{
_rFlags.needs_display = NO;
}
[_window enableFlushWindow];
[_window flushWindowIfNeeded];
* If we still need display after displaying the invalid rectangle,
* this means, some subviews still need to display. For opaque subviews
* there invalid rectangle may even overlap the original aRect.
* Display any subview that need display.
*/
if (_rFlags.needs_display == YES)
{
NSEnumerator *enumerator = [_sub_views objectEnumerator];
NSView *subview;
BOOL subviewNeedsDisplay = NO;
while ((subview = [enumerator nextObject]) != nil)
{
if (subview->_rFlags.needs_display)
{
NSRect subviewFrame = [subview _frameExtend];
NSRect isect;
isect = NSIntersectionRect(aRect, subviewFrame);
if (NSIsEmptyRect(isect) == NO)
{
isect = [subview convertRect: isect fromView: self];
[subview displayIfNeededInRectIgnoringOpacity: isect];
}
if (subview->_rFlags.needs_display)
{
subviewNeedsDisplay = YES;
}
}
}
/*
* Make sure our needs_display flag matches that of the subviews.
* Only set to NO when there is no _invalidRect.
*/
if (NSIsEmptyRect(_invalidRect))
{
_rFlags.needs_display = subviewNeedsDisplay;
}
}
}
}
@ -2275,113 +2202,123 @@ convert_rect_using_matrices(NSRect aRect, NSAffineTransform *matrix1,
- (void) displayRectIgnoringOpacity: (NSRect)aRect
{
BOOL subviewNeedsDisplay = NO;
NSRect neededRect;
[self displayRectIgnoringOpacity: aRect inContext: nil];
}
- (void) displayRectIgnoringOpacity: (NSRect)aRect
inContext: (NSGraphicsContext *)context
{
NSGraphicsContext *wContext;
BOOL flush = NO;
BOOL subviewNeedsDisplay = NO;
if (![self canDraw])
{
return;
}
[_window disableFlushWindow];
if (_coordinates_valid == NO)
wContext = [_window graphicsContext];
if (context == nil)
{
[self _rebuildCoordinates];
context = wContext;
}
aRect = NSIntersectionRect(aRect, _visibleRect);
neededRect = NSIntersectionRect(_invalidRect, _visibleRect);
if (context == wContext)
{
NSRect neededRect;
flush = YES;
[_window disableFlushWindow];
if (_coordinates_valid == NO)
{
[self _rebuildCoordinates];
}
aRect = NSIntersectionRect(aRect, _visibleRect);
neededRect = NSIntersectionRect(_invalidRect, _visibleRect);
/*
* If the rect we are going to display contains the _invalidRect
* then we can empty _invalidRect. Do this before the drawing, as drawRect:
* may change this value.
* FIXME: If the drawn rectangle cuts of a complete part of the _invalidRect,
* we should try to reduce this.
*/
if (NSEqualRects(aRect, NSUnionRect(neededRect, aRect)) == YES)
{
_invalidRect = NSZeroRect;
_rFlags.needs_display = NO;
}
}
if (NSIsEmptyRect(aRect) == NO)
{
/*
* Now we draw this view.
*/
[self lockFocusInRect: aRect];
[self _lockFocusInContext: context inRect: aRect];
[self drawRect: aRect];
[self unlockFocusNeedsFlush: YES];
}
if (_rFlags.has_subviews == YES)
{
unsigned count = [_sub_views count];
if (count > 0)
{
NSView *array[count];
unsigned i;
[_sub_views getObjects: array];
for (i = 0; i < count; ++i)
{
NSView *subview = array[i];
NSRect subviewFrame = subview->_frame;
NSRect isect;
BOOL intersectCalculated = NO;
if (subview->_frameMatrix != nil)
{
NSRect r;
r.origin = NSZeroPoint;
r.size = subviewFrame.size;
[subview->_frameMatrix boundingRectFor: r result: &r];
subviewFrame = NSOffsetRect(r, NSMinX(subviewFrame),
NSMinY(subviewFrame));
}
/*
* Having drawn ourself into the rect, we must make sure that
* subviews overlapping the area are redrawn.
*/
isect = NSIntersectionRect(aRect, subviewFrame);
if (NSIsEmptyRect(isect) == NO)
{
isect = [subview convertRect: isect
fromView: self];
intersectCalculated = YES;
/*
* hack the ivars of the subview directly for speed.
*/
subview->_rFlags.needs_display = YES;
subview->_invalidRect = NSUnionRect(subview->_invalidRect,
isect);
}
if (subview->_rFlags.needs_display == YES)
{
if (intersectCalculated == NO)
{
isect = [subview convertRect: isect
fromView: self];
}
[subview displayIfNeededInRectIgnoringOpacity: isect];
if (subview->_rFlags.needs_display == YES)
{
subviewNeedsDisplay = YES;
}
}
}
}
[self unlockFocusNeedsFlush: flush];
}
/*
* If the rect we displayed contains the _invalidRect or _visibleRect
* then we can empty _invalidRect. If all subviews have been
* fully displayed, we can also turn off the 'needs_display' flag.
* Even when aRect is empty we need to loop over the subviews to see,
* if there is anything left to draw.
*/
if (NSEqualRects(aRect, NSUnionRect(neededRect, aRect)) == YES)
if (_rFlags.has_subviews == YES)
{
_invalidRect = NSZeroRect;
_rFlags.needs_display = subviewNeedsDisplay;
unsigned count = [_sub_views count];
if (count > 0)
{
NSView *array[count];
unsigned i;
[_sub_views getObjects: array];
for (i = 0; i < count; ++i)
{
NSView *subview = array[i];
NSRect subviewFrame = [subview _frameExtend];
NSRect isect;
/*
* Having drawn ourself into the rect, we must make sure that
* subviews overlapping the area are redrawn.
*/
isect = NSIntersectionRect(aRect, subviewFrame);
if (NSIsEmptyRect(isect) == NO)
{
isect = [subview convertRect: isect fromView: self];
[subview displayRectIgnoringOpacity: isect inContext: context];
}
/*
* Is there still something to draw in the subview?
* This keeps the invariant that views further up are marked for redraw
* when ever a view further down needs to redraw.
*/
if (subview->_rFlags.needs_display == YES)
{
subviewNeedsDisplay = YES;
}
}
}
}
if (_rFlags.needs_display == YES
&& NSEqualRects(aRect, NSUnionRect(_visibleRect, aRect)) == YES)
if (context == wContext)
{
_rFlags.needs_display = NO;
if (subviewNeedsDisplay)
{
/*
* If not all subviews have been fully displayed, we cannot turn off
* the 'needs_display' flag. This is to keep the invariant that when
* a view is marked as needing to display, all its ancestors will be
* marked too.
*/
_rFlags.needs_display = YES;
}
[_window enableFlushWindow];
[_window flushWindowIfNeeded];
}
[_window enableFlushWindow];
[_window flushWindowIfNeeded];
}
/**
@ -2453,6 +2390,50 @@ convert_rect_using_matrices(NSRect aRect, NSAffineTransform *matrix1,
}
}
- (NSBitmapImageRep *) bitmapImageRepForCachingDisplayInRect: (NSRect)rect
{
NSBitmapImageRep *bitmap;
NSDictionary *dict;
int bps, spp, alpha;
NSString *space;
dict = [_window deviceDescription];
bps = [[dict objectForKey: NSDeviceBitsPerSample] intValue];
if (bps == 0)
bps = 8;
// spp = [[dict objectForKey: @"SamplesPerPixel"] intValue];
spp = 4;
// alpha = [[dict objectForKey: @"HasAlpha"] intValue];
alpha = 1;
space = [dict objectForKey: NSDeviceColorSpaceName];
bitmap = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes: NULL
pixelsWide: rect.size.width
pixelsHigh: rect.size.height
bitsPerSample: bps
samplesPerPixel: spp
hasAlpha: (alpha) ? YES : NO
isPlanar: NO
colorSpaceName: space
bytesPerRow: 0
bitsPerPixel: 0];
[self cacheDisplayInRect: rect toBitmapImageRep: bitmap];
return bitmap;
}
- (void) cacheDisplayInRect: (NSRect)rect
toBitmapImageRep: (NSBitmapImageRep *)bitmap
{
NSDictionary *dict;
NSData *imageData;
dict = [GSCurrentContext() GSReadRect: rect];
imageData = RETAIN([dict objectForKey: @"Data"]);
// FIXME: Copy the image data to the bitmap
memcpy([bitmap bitmapData], [imageData bytes], [imageData length]);
}
extern NSThread *GSAppKitThread; /* TODO */
/*
@ -2489,8 +2470,8 @@ in the main thread.
if (GSCurrentThread() != GSAppKitThread)
{
[self performSelectorOnMainThread: @selector(_setNeedsDisplay_real:)
withObject: n
waitUntilDone: NO];
withObject: n
waitUntilDone: NO];
}
else
{
@ -2519,14 +2500,14 @@ in the main thread.
_rFlags.needs_display = YES;
_invalidRect = invalidRect;
if (firstOpaque == self)
{
[_window setViewsNeedDisplay: YES];
}
{
[_window setViewsNeedDisplay: YES];
}
else
{
invalidRect = [firstOpaque convertRect: _invalidRect fromView: self];
[firstOpaque setNeedsDisplayInRect: invalidRect];
}
{
invalidRect = [firstOpaque convertRect: _invalidRect fromView: self];
[firstOpaque setNeedsDisplayInRect: invalidRect];
}
}
/*
* Must make sure that superviews know that we need display.
@ -3548,6 +3529,11 @@ static NSView* findByTag(NSView *view, int aTag, unsigned *level)
}
}
- (NSArray *) registeredDraggedTypes
{
return GSGetDragTypes(self);
}
- (BOOL) dragPromisedFilesOfTypes: (NSArray *)typeArray
fromRect: (NSRect)aRect
source: (id)sourceObject
@ -3887,6 +3873,7 @@ static NSView* findByTag(NSView *view, int aTag, unsigned *level)
- (void) drawPageBorderWithSize: (NSSize)borderSize
{
NSFrameRect(NSMakeRect(0, 0, borderSize.width, borderSize.height));
}
- (void) drawSheetBorderWithSize: (NSSize)borderSize
@ -3932,6 +3919,9 @@ static NSView* findByTag(NSView *view, int aTag, unsigned *level)
NSGraphicsContext *ctxt = [printOp context];
NSDictionary *dict = [[printOp printInfo] dictionary];
// Balance gsave in beginPageInRect:
DPSgrestore(ctxt);
nup = [[dict objectForKey: NSPrintPagesPerSheet] intValue];
if (nup > 1)
{
@ -4036,7 +4026,7 @@ static NSView* findByTag(NSView *view, int aTag, unsigned *level)
}
- (void) beginPageInRect: (NSRect)aRect
atPlacement: (NSPoint)location
atPlacement: (NSPoint)location
{
int nup;
NSRect bounds;
@ -4080,7 +4070,6 @@ static NSView* findByTag(NSView *view, int aTag, unsigned *level)
DPSscale(ctxt, scale, scale);
}
// FIXME: This needs to be balanced explicitly
DPSgsave(ctxt);
/* Translate to placement */