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Small error corrections for printing.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@24971 72102866-910b-0410-8b05-ffd578937521
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4 changed files with 104 additions and 104 deletions
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@ -248,8 +248,8 @@ static inline NSRect integralRect (NSRect rect, NSView *view)
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if (_copiesOnScroll && _window && [_window gState])
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{
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/* Copy the portion of the view that is common before and after
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scrolling. Then, document view needs to redraw the remaining
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areas. */
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scrolling. Then, document view needs to redraw the remaining
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areas. */
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@ -258,110 +258,99 @@ static inline NSRect integralRect (NSRect rect, NSView *view)
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intersection = NSIntersectionRect (originalBounds, newBounds);
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/* but we must make sure we only copy from visible rect - we
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can't copy bits which have been clipped (ie discarded) */
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can't copy bits which have been clipped (ie discarded) */
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intersection = NSIntersectionRect (intersection, [self visibleRect]);
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/* Copying is done in device space so we only can copy by
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integral rects in device space - adjust our copy rect */
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integral rects in device space - adjust our copy rect */
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intersection = integralRect (intersection, self);
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/* At this point, intersection is the rectangle containing the
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image we can recycle from the old to the new situation. We
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must not make any assumption on its position/size, because it
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has been intersected with visible rect, which is an arbitrary
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rectangle as far as we know. */
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image we can recycle from the old to the new situation. We
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must not make any assumption on its position/size, because it
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has been intersected with visible rect, which is an arbitrary
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rectangle as far as we know. */
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if (NSEqualRects (intersection, NSZeroRect))
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{
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// no recyclable part -- docview should redraw everything
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// from scratch
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[super setBoundsOrigin: newBounds.origin];
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[_documentView setNeedsDisplayInRect:
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[self documentVisibleRect]];
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}
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{
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// no recyclable part -- docview should redraw everything
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// from scratch
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[super setBoundsOrigin: newBounds.origin];
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[_documentView setNeedsDisplayInRect:
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[self documentVisibleRect]];
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}
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else
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{
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/* Copy the intersection to the new position */
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NSPoint destPoint = intersection.origin;
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float dx = newBounds.origin.x - originalBounds.origin.x;
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float dy = newBounds.origin.y - originalBounds.origin.y;
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NSRect redrawRect;
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/* It is assumed these dx and dy will be integer in device
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space because they are the difference of the bounds
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origins, both of which should be integers in device space
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because of the code at the end of
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constrainScrollPoint:. */
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destPoint.x -= dx;
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destPoint.y -= dy;
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{
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/* It is assumed these dx and dy will be integer in device
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space because they are the difference of the bounds
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origins, both of which should be integers in device space
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because of the code at the end of
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constrainScrollPoint:. */
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float dx = newBounds.origin.x - originalBounds.origin.x;
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float dy = newBounds.origin.y - originalBounds.origin.y;
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NSRect redrawRect;
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/* Copy the intersection to the new position */
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[self scrollRect: intersection by: NSMakeSize(dx, dy)];
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/* Now copy ! */
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[self lockFocus];
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/* NB: Because of all the previous comments, we are sure the
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following is copying an integer rectangle by an integer
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amount (`integer' in device space) - which should cause
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no problems */
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NSCopyBits (0, intersection, destPoint);
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[self unlockFocus];
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/* Change coordinate system to the new one */
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[super setBoundsOrigin: newBounds.origin];
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/* Get the rectangle representing intersection in the new
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/* Change coordinate system to the new one */
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[super setBoundsOrigin: newBounds.origin];
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/* Get the rectangle representing intersection in the new
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bounds (mainly to keep code readable) */
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intersection.origin.x = destPoint.x;
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intersection.origin.y = destPoint.y;
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// intersection.size is the same
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/* Now mark everything which is outside intersection as
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intersection.origin.x -= dx;
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intersection.origin.y -= dy;
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// intersection.size is the same
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/* Now mark everything which is outside intersection as
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needing to be redrawn by hand. NB: During simple usage -
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scrolling in a single direction (left/rigth/up/down) -
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and a normal visible rect, only one of the following
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rects will be non-empty. */
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/* To the left of intersection */
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redrawRect = NSMakeRect (NSMinX (_bounds), _bounds.origin.y,
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NSMinX (intersection) - NSMinX (_bounds),
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_bounds.size.height);
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if (NSIsEmptyRect (redrawRect) == NO)
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{
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[_documentView setNeedsDisplayInRect:
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[self convertRect: redrawRect
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toView: _documentView]];
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}
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/* Right */
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redrawRect = NSMakeRect (NSMaxX (intersection), _bounds.origin.y,
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NSMaxX (_bounds) - NSMaxX (intersection),
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_bounds.size.height);
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if (NSIsEmptyRect (redrawRect) == NO)
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{
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[_documentView setNeedsDisplayInRect:
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[self convertRect: redrawRect
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toView: _documentView]];
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}
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/* Up (or Down according to whether it's flipped or not) */
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redrawRect = NSMakeRect (_bounds.origin.x, NSMinY (_bounds),
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_bounds.size.width,
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NSMinY (intersection) - NSMinY (_bounds));
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if (NSIsEmptyRect (redrawRect) == NO)
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{
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[_documentView setNeedsDisplayInRect:
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[self convertRect: redrawRect
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toView: _documentView]];
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}
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/* Down (or Up) */
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redrawRect = NSMakeRect (_bounds.origin.x, NSMaxY (intersection),
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_bounds.size.width,
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NSMaxY (_bounds) - NSMaxY (intersection));
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if (NSIsEmptyRect (redrawRect) == NO)
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{
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[_documentView setNeedsDisplayInRect:
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[self convertRect: redrawRect
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toView: _documentView]];
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}
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}
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/* To the left of intersection */
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redrawRect = NSMakeRect(NSMinX(_bounds), _bounds.origin.y,
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NSMinX(intersection) - NSMinX(_bounds),
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_bounds.size.height);
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if (NSIsEmptyRect(redrawRect) == NO)
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{
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[_documentView setNeedsDisplayInRect:
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[self convertRect: redrawRect
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toView: _documentView]];
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}
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/* Right */
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redrawRect = NSMakeRect(NSMaxX(intersection), _bounds.origin.y,
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NSMaxX(_bounds) - NSMaxX(intersection),
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_bounds.size.height);
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if (NSIsEmptyRect(redrawRect) == NO)
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{
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[_documentView setNeedsDisplayInRect:
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[self convertRect: redrawRect
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toView: _documentView]];
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}
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/* Up (or Down according to whether it's flipped or not) */
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redrawRect = NSMakeRect(_bounds.origin.x, NSMinY(_bounds),
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_bounds.size.width,
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NSMinY(intersection) - NSMinY(_bounds));
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if (NSIsEmptyRect(redrawRect) == NO)
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{
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[_documentView setNeedsDisplayInRect:
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[self convertRect: redrawRect
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toView: _documentView]];
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}
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/* Down (or Up) */
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redrawRect = NSMakeRect(_bounds.origin.x, NSMaxY(intersection),
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_bounds.size.width,
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NSMaxY(_bounds) - NSMaxY(intersection));
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if (NSIsEmptyRect(redrawRect) == NO)
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{
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[_documentView setNeedsDisplayInRect:
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[self convertRect: redrawRect
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toView: _documentView]];
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}
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}
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}
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else
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{
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