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Added code to rulerview delegate methods.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@11491 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Fred Kiefer
parent
7eaab61165
commit
746cc159e4
1 changed files with 199 additions and 53 deletions
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@ -2615,107 +2615,253 @@ afterString in order over charRange. */
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- (void) rulerView: (NSRulerView*)aRulerView
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didMoveMarker: (NSRulerMarker*)aMarker
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{
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/*
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NSTextView checks for permission to make the change in its
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rulerView: shouldMoveMarker: method, which invokes
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shouldChangeTextInRange: replacementString: to send out the proper request
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and notifications, and only invokes this
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method if permission is granted.
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NSTextTab *old_tab = [aMarker representedObject];
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NSTextTab *new_tab = [[NSTextTab alloc] initWithType: [old_tab tabStopType]
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location: [aMarker makerLocation]];
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NSRange range = [self rangeForUserParagraphAttributeChange];
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unsigned loc = range.location;
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NSParagraphStyle *style;
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NSMutableParagraphStyle *mstyle;
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[_textStorage beginEditing];
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while (loc < NSMaxRange(range))
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{
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id value;
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BOOL copiedStyle = NO;
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NSRange effRange;
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NSRange newRange;
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value = [_textStorage attribute: NSParagraphStyleAttributeName
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atIndex: loc
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effectiveRange: &effRange];
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newRange = NSIntersectionRange (effRange, range);
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if (value == nil)
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{
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value = [NSMutableParagraphStyle defaultParagraphStyle];
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}
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else
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{
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value = [value mutableCopy];
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copiedStyle = YES;
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}
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[value removeTabStop: old_tab];
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[value addTabStop: new_tab];
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[_textStorage addAttribute: NSParagraphStyleAttributeName
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value: value
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range: newRange];
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if (copiedStyle == YES)
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{
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RELEASE(value);
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}
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loc = NSMaxRange (effRange);
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}
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[_textStorage endEditing];
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[self didChangeText];
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*/
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// Set the typing attributes
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style = [_typingAttributes objectForKey: NSParagraphStyleAttributeName];
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if (style == nil)
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style = [NSParagraphStyle defaultParagraphStyle];
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mstyle = [style mutableCopy];
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[mstyle removeTabStop: old_tab];
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[mstyle addTabStop: new_tab];
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// FIXME: Should use setTypingAttributes
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[_typingAttributes setObject: mstyle forKey: NSParagraphStyleAttributeName];
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RELEASE (mstyle);
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[aMarker setRepresentedObject: new_tab];
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}
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- (void) rulerView: (NSRulerView*)aRulerView
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didRemoveMarker: (NSRulerMarker*)aMarker
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{
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/*
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NSTextView checks for permission to move or remove a tab stop in its
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rulerView: shouldMoveMarker: method, which invokes
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shouldChangeTextInRange: replacementString: to send out the proper request
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and notifications, and only invokes this method if permission is granted.
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*/
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NSTextTab *tab = [aMarker representedObject];
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NSRange range = [self rangeForUserParagraphAttributeChange];
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unsigned loc = range.location;
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NSParagraphStyle *style;
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NSMutableParagraphStyle *mstyle;
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[_textStorage beginEditing];
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while (loc < NSMaxRange(range))
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{
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id value;
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BOOL copiedStyle = NO;
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NSRange effRange;
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NSRange newRange;
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value = [_textStorage attribute: NSParagraphStyleAttributeName
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atIndex: loc
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effectiveRange: &effRange];
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newRange = NSIntersectionRange (effRange, range);
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if (value == nil)
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{
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value = [NSMutableParagraphStyle defaultParagraphStyle];
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}
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else
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{
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value = [value mutableCopy];
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copiedStyle = YES;
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}
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[value removeTabStop: tab];
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[_textStorage addAttribute: NSParagraphStyleAttributeName
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value: value
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range: newRange];
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if (copiedStyle == YES)
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{
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RELEASE(value);
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}
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loc = NSMaxRange (effRange);
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}
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[_textStorage endEditing];
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[self didChangeText];
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// Set the typing attributes
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style = [_typingAttributes objectForKey: NSParagraphStyleAttributeName];
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if (style == nil)
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style = [NSParagraphStyle defaultParagraphStyle];
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mstyle = [style mutableCopy];
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[mstyle removeTabStop: tab];
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// FIXME: Should use setTypingAttributes
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[_typingAttributes setObject: mstyle forKey: NSParagraphStyleAttributeName];
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RELEASE (mstyle);
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}
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- (void)rulerView:(NSRulerView *)ruler
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didAddMarker:(NSRulerMarker *)marker
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{
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NSTextTab *tab = [marker representedObject];
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NSRange range = [self rangeForUserParagraphAttributeChange];
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unsigned loc = range.location;
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NSParagraphStyle *style;
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NSMutableParagraphStyle *mstyle;
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[_textStorage beginEditing];
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while (loc < NSMaxRange(range))
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{
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id value;
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BOOL copiedStyle = NO;
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NSRange effRange;
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NSRange newRange;
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value = [_textStorage attribute: NSParagraphStyleAttributeName
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atIndex: loc
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effectiveRange: &effRange];
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newRange = NSIntersectionRange (effRange, range);
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if (value == nil)
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{
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value = [NSMutableParagraphStyle defaultParagraphStyle];
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}
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else
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{
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value = [value mutableCopy];
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copiedStyle = YES;
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}
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[value addTabStop: tab];
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[_textStorage addAttribute: NSParagraphStyleAttributeName
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value: value
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range: newRange];
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if (copiedStyle == YES)
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{
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RELEASE(value);
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}
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loc = NSMaxRange (effRange);
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}
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[_textStorage endEditing];
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[self didChangeText];
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// Set the typing attributes
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style = [_typingAttributes objectForKey: NSParagraphStyleAttributeName];
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if (style == nil)
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style = [NSParagraphStyle defaultParagraphStyle];
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mstyle = [style mutableCopy];
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[mstyle addTabStop: tab];
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// FIXME: Should use setTypingAttributes
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[_typingAttributes setObject: mstyle forKey: NSParagraphStyleAttributeName];
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RELEASE (mstyle);
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}
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- (void) rulerView: (NSRulerView*)aRulerView
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handleMouseDown: (NSEvent*)theEvent
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{
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/*
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This NSRulerView client method adds a left tab marker to the ruler, but a
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subclass can override this method to provide other behavior, such as
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creating guidelines. This method is invoked once with theEvent when the
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user first clicks in the aRulerView's ruler area, as described in the
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NSRulerView class specification.
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*/
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NSPoint point = [aRulerView convertPoint: [theEvent locationInWindow]
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fromView: nil];
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float location = point.x;
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// FIXME This image does not exist.
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NSRulerMarker *marker = [[NSRulerMarker alloc]
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initWithRulerView: aRulerView
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markerLocation: location
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image: [NSImage imageNamed: @"common_LeftTabStop"]
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imageOrigin: NSMakePoint(0, 0)];
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NSTextTab *tab = [[NSTextTab alloc] initWithType: NSLeftTabStopType
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location: location];
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[marker setRepresentedObject: tab];
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[aRulerView addMarker: marker];
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}
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- (BOOL) rulerView: (NSRulerView*)aRulerView
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shouldAddMarker: (NSRulerMarker*)aMarker
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{
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/* This NSRulerView client method controls whether a new tab stop can be
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added. The receiver checks for permission to make the change by invoking
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shouldChangeTextInRange: replacementString: and returning the return value
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of that message. If the change is allowed, the receiver is then sent a
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rulerView: didAddMarker: message. */
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return NO;
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return [self shouldChangeTextInRange: [self rangeForUserParagraphAttributeChange]
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replacementString: nil];
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}
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- (BOOL) rulerView: (NSRulerView*)aRulerView
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shouldMoveMarker: (NSRulerMarker*)aMarker
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{
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/* This NSRulerView client method controls whether an existing tab stop
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can be moved. The receiver checks for permission to make the change by
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invoking shouldChangeTextInRange: replacementString: and returning the
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return value of that message. If the change is allowed, the receiver is
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then sent a rulerView: didAddMarker: message. */
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return NO;
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return [self shouldChangeTextInRange: [self rangeForUserParagraphAttributeChange]
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replacementString: nil];
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}
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- (BOOL) rulerView: (NSRulerView*)aRulerView
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shouldRemoveMarker: (NSRulerMarker*)aMarker
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{
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/* This NSRulerView client method controls whether an existing tab stop
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can be removed. Returns YES if aMarker represents an NSTextTab, NO
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otherwise. Because this method can be invoked repeatedly as the user drags
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a ruler marker, it returns that value immediately. If the change is allows
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and the user actually removes the marker, the receiver is also sent a
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rulerView: didRemoveMarker: message. */
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return NO;
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return [(id)[aMarker representedObject] isKindOfClass: [NSTextTab class]];
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}
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- (float) rulerView: (NSRulerView*)aRulerView
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willAddMarker: (NSRulerMarker*)aMarker
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atLocation: (float)location
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{
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NSSize size = [_textContainer containerSize];
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/* This NSRulerView client method ensures that the proposed location of
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aMarker lies within the appropriate bounds for the receiver's text
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container, returning the modified location. */
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if (location < 0.0)
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return 0.0;
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return 0.0;
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if (location > size.width)
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return size.width;
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return location;
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}
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- (float) rulerView: (NSRulerView*)aRulerView
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willMoveMarker: (NSRulerMarker*)aMarker
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toLocation: (float)location
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{
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NSSize size = [_textContainer containerSize];
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/* This NSRulerView client method ensures that the proposed location of
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aMarker lies within the appropriate bounds for the receiver's text
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container, returning the modified location. */
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if (location < 0.0)
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return 0.0;
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return 0.0;
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if (location > size.width)
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return size.width;
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return location;
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}
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- (void) setDelegate: (id)anObject
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