mirror of
https://github.com/gnustep/libs-gui.git
synced 2025-05-30 04:00:37 +00:00
Changes for better cursor movement
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@8591 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Nicola Pero
parent
953a5c5318
commit
3ae06c1286
2 changed files with 194 additions and 156 deletions
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@ -123,9 +123,7 @@ static NSNotificationCenter *nc;
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* these NSLayoutManager- like methods are here only informally
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*/
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- (unsigned) characterIndexForPoint: (NSPoint)point;
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- (NSRect) rectForCharacterIndex: (unsigned)index;
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- (NSRect) rectForCharacterRange: (NSRange)aRange;
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- (NSRect) rectForInsertionPointAtIndex: (unsigned)index;
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/*
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* various GNU extensions
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@ -501,7 +499,7 @@ static NSNotificationCenter *nc;
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return;
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}
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[self setFont: font ofRange: NSMakeRange (0, [self textLength])];
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[self setFont: font ofRange: NSMakeRange (0, [_textStorage length])];
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[_typingAttributes setObject: font forKey: NSFontAttributeName];
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}
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@ -525,27 +523,33 @@ static NSNotificationCenter *nc;
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*/
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- (NSTextAlignment) alignment
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{
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/* FIXME */
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NSRange aRange = [self rangeForUserParagraphAttributeChange];
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unsigned location = 0;
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NSParagraphStyle *aStyle;
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if (aRange.location != NSNotFound)
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if (_tf.is_rich_text)
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{
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location = [self rangeForUserParagraphAttributeChange].location;
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}
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if (location != NSNotFound)
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{
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aStyle = [_textStorage attribute: NSParagraphStyleAttributeName
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atIndex: aRange.location
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atIndex: location
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effectiveRange: NULL];
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if (aStyle != nil)
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return [aStyle alignment];
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{
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return [aStyle alignment];
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}
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}
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// Get alignment from typing attributes
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/* Get alignment from typing attributes */
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return [[_typingAttributes objectForKey: NSParagraphStyleAttributeName]
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alignment];
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}
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- (void) setAlignment: (NSTextAlignment)mode
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{
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[self setAlignment: mode range: NSMakeRange (0, [self textLength])];
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[self setAlignment: mode range: NSMakeRange (0, [_textStorage length])];
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}
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- (void) alignCenter: (id)sender
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@ -589,7 +593,7 @@ static NSNotificationCenter *nc;
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- (void) setTextColor: (NSColor*)color
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{
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/* FIXME: This should work also for non rich text objects */
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NSRange fullRange = NSMakeRange (0, [self textLength]);
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NSRange fullRange = NSMakeRange (0, [_textStorage length]);
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[self setTextColor: color range: fullRange];
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}
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@ -752,7 +756,7 @@ static NSNotificationCenter *nc;
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{
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[self setRichText: YES];
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}
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[self replaceRange: NSMakeRange (0, [self textLength])
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[self replaceRange: NSMakeRange (0, [_textStorage length])
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withAttributedString: peek];
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RELEASE(peek);
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return YES;
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@ -763,7 +767,7 @@ static NSNotificationCenter *nc;
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- (BOOL) writeRTFDToFile: (NSString*)path atomically: (BOOL)flag
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{
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NSFileWrapper *wrapper;
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NSRange range = NSMakeRange (0, [self textLength]);
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NSRange range = NSMakeRange (0, [_textStorage length]);
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wrapper = [_textStorage RTFDFileWrapperFromRange: range
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documentAttributes: nil];
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@ -1267,12 +1271,11 @@ static NSNotificationCenter *nc;
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#undef NSTEXTVIEW_SYNC
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/* NB: Only NSSelectionAffinityDownstream works */
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- (void) setSelectedRange: (NSRange)range
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affinity: (NSSelectionAffinity)affinity
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stillSelecting: (BOOL)flag
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{
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/* TODO: Use affinity to determine the insertion point */
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/* The `official' (the last one the delegate approved of) selected
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range before this one. */
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NSRange oldRange;
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@ -1318,6 +1321,9 @@ static NSNotificationCenter *nc;
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/* Set the new selected range */
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_selected_range = range;
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/* FIXME: when and if to restart timer <and where to stop it before> */
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[self updateInsertionPointStateAndRestartTimer: !flag];
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if (flag == NO)
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{
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[self updateFontPanel];
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@ -1351,7 +1357,6 @@ static NSNotificationCenter *nc;
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}
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[self setTypingAttributes: dict];
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}
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/* <!>enable caret timed entry */
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}
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}
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@ -1420,10 +1425,8 @@ static NSNotificationCenter *nc;
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}
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}
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/* Override in subclasses to change the default selection affinity */
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- (NSSelectionAffinity) selectionAffinity
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{
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/* FIXME: which one should be the default ? */
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- (NSSelectionAffinity) selectionAffinity
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{
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return NSSelectionAffinityDownstream;
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}
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@ -1439,7 +1442,7 @@ static NSNotificationCenter *nc;
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- (void) setInsertionPointColor: (NSColor*)aColor
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{
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ASSIGN(_caret_color, aColor);
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ASSIGN (_caret_color, aColor);
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}
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- (NSColor*) insertionPointColor
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@ -1449,9 +1452,85 @@ static NSNotificationCenter *nc;
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- (void) updateInsertionPointStateAndRestartTimer: (BOOL)flag
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{
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// _caretLocation =
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/* Update insertion point rect */
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NSRange charRange;
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NSRange glyphRange;
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unsigned glyphIndex;
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NSRect rect;
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// restart blinking timer.
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/* Simple case - no insertion point */
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if ((_selected_range.length > 0) || _selected_range.location == NSNotFound)
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{
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_insertionPointRect = NSZeroRect;
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/* FIXME: horizontal position of insertion point */
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_originalInsertPoint = 0;
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return;
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}
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charRange = NSMakeRange (_selected_range.location, 1);
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glyphRange = [_layoutManager glyphRangeForCharacterRange: charRange
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actualCharacterRange: NULL];
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glyphIndex = glyphRange.location;
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rect = [_layoutManager lineFragmentRectForGlyphAtIndex: glyphIndex
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effectiveRange: NULL];
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if ([self selectionAffinity] != NSSelectionAffinityUpstream)
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{
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/* Standard case - draw the insertion point just before the
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associated glyph index */
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NSPoint loc = [_layoutManager locationForGlyphAtIndex: glyphIndex];
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rect.origin.x += loc.x;
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}
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else /* _affinity == NSSelectionAffinityUpstream - non standard */
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{
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/* FIXME - THIS DOES NOT WORK - as a consequence,
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NSSelectionAffinityUpstream DOES NOT WORK */
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/* Check - if the previous glyph is on another line */
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/* FIXME: Don't know how to do this check, this is a hack and
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DOES NOT WORK - clearly this code should be inside the layout
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manager anyway */
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NSRect rect2;
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rect2 = [_layoutManager lineFragmentRectForGlyphAtIndex: glyphIndex - 1
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effectiveRange: NULL];
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if (NSMinY (rect2) < NSMinY (rect))
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{
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/* Then we need to draw the insertion point just after the
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previous glyph - DOES NOT WORK */
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glyphRange = NSMakeRange (glyphIndex - 1, 1);
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rect = [_layoutManager boundingRectForGlyphRange: glyphRange
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inTextContainer:_textContainer];
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rect.origin.x = NSMaxX (rect) - 1;
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}
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else /* Else, standard case again */
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{
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NSPoint loc = [_layoutManager locationForGlyphAtIndex: glyphIndex];
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rect.origin.x += loc.x;
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}
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}
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rect.size.width = 1;
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if (rect.size.height == 0)
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{
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rect.size.height = 12;
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}
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_insertionPointRect = rect;
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/* Remember horizontal position of insertion point */
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_originalInsertPoint = _insertionPointRect.origin.x;
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if (flag)
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{
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/* TODO: Restart blinking timer */
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}
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}
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- (void) setSelectedTextAttributes: (NSDictionary *)attributes
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@ -1468,12 +1547,12 @@ static NSNotificationCenter *nc;
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{
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// calculate
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return NSMakeRange(NSNotFound, 0);
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return NSMakeRange (NSNotFound, 0);
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}
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- (void) setMarkedTextAttributes: (NSDictionary*)attributes
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{
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ASSIGN(_markedTextAttributes, attributes);
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ASSIGN (_markedTextAttributes, attributes);
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}
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- (NSDictionary*) markedTextAttributes
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@ -1551,10 +1630,6 @@ static NSNotificationCenter *nc;
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// move cursor <!> [self selectionRangeForProposedRange: ]
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[self setSelectedRange:
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NSMakeRange (insertRange.location + [insertString length], 0)];
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// remember x for row - stable cursor movements
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_currentCursor = [self rectForCharacterIndex:
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_selected_range.location].origin;
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}
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- (void) setTypingAttributes: (NSDictionary*)dict
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@ -2049,9 +2124,6 @@ afterString in order over charRange. */
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/* Remember granularity till a new selection destroys the memory */
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[self setSelectionGranularity: granularity];
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// remember for column stable cursor up/down
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_currentCursor = [self rectForCharacterIndex: chosenRange.location].origin;
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}
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- (void) keyDown: (NSEvent*)theEvent
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@ -2113,7 +2185,7 @@ afterString in order over charRange. */
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character */
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if (range.length == 0)
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{
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if (range.location != [self textLength])
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if (range.location != [_textStorage length])
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{
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/* Not at the end of text -- delete following character */
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range.length = 1;
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@ -2140,11 +2212,6 @@ afterString in order over charRange. */
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/* The new selected range is just the insertion point at the beginning
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of deleted range */
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[self setSelectedRange: NSMakeRange (range.location, 0)];
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/* remember x for row - stable cursor movements - FIXME: Move this
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inside setSelectedRange: */
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_currentCursor = [self rectForCharacterIndex:
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_selected_range.location].origin;
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}
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- (void) deleteBackward: (id)sender
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@ -2188,52 +2255,52 @@ afterString in order over charRange. */
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/* The new selected range is just the insertion point at the beginning
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of deleted range */
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[self setSelectedRange: NSMakeRange (range.location, 0)];
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/* remember x for row - stable cursor movements - FIXME: Move this
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inside setSelectedRange: */
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_currentCursor = [self rectForCharacterIndex:
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_selected_range.location].origin;
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}
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//<!> choose granularity according to keyboard modifier flags
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- (void) moveUp: (id)sender
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{
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unsigned cursorIndex;
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NSPoint cursorPoint;
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NSRange newRange;
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float originalInsertionPoint;
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float startingY;
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unsigned newLocation;
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if (_tf.is_field_editor)
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{
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[self _illegalMovement: NSUpTextMovement];
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return;
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}
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/* Do nothing if we are at beginning of text */
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if (_selected_range.location == 0)
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return;
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if (_selected_range.length)
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{
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_currentCursor = [self rectForCharacterIndex:
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_selected_range.location].origin;
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return;
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}
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cursorIndex = _selected_range.location;
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cursorPoint = [self rectForCharacterIndex: cursorIndex].origin;
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cursorIndex = [self characterIndexForPoint:
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NSMakePoint (_currentCursor.x + 0.001,
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MAX (0, cursorPoint.y - 0.001))];
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/* Read from memory the horizontal position we aim to move the cursor
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at on the next line */
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originalInsertionPoint = _originalInsertPoint;
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newRange.location = cursorIndex;
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newRange.length = 0;
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[self setSelectedRange: newRange];
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/* Ask the layout manager to compute where to go */
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startingY = NSMidY (_insertionPointRect);
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newLocation = [_layoutManager
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_charIndexForInsertionPointMovingFromY: startingY
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bestX: originalInsertionPoint
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up: YES
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textContainer: _textContainer];
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/* Move the insertion point */
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[self setSelectedRange: NSMakeRange (newLocation, 0)];
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/* Restore the _originalInsertPoint (which was changed
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by setSelectedRange:) because we don't want it to change between
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moveUp:/moveDown: operations. */
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_originalInsertPoint = originalInsertionPoint;
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}
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- (void) moveDown: (id)sender
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{
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unsigned cursorIndex;
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NSRect cursorRect;
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NSRange newRange;
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float originalInsertionPoint;
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float startingY;
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unsigned newLocation;
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if (_tf.is_field_editor)
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{
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@ -2242,28 +2309,35 @@ afterString in order over charRange. */
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}
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/* Do nothing if we are at end of text */
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if (_selected_range.location == [self textLength])
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return;
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if (_selected_range.length != 0)
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if (_selected_range.location == [_textStorage length])
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{
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_currentCursor = [self rectForCharacterIndex:
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NSMaxRange (_selected_range)].origin;
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return;
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}
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cursorIndex = _selected_range.location;
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cursorRect = [self rectForCharacterIndex: cursorIndex];
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cursorIndex = [self characterIndexForPoint:
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NSMakePoint(_currentCursor.x + 0.001,
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NSMaxY (cursorRect) + 0.001)];
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newRange.location = cursorIndex;
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newRange.length = 0;
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[self setSelectedRange: newRange];
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/* Read from memory the horizontal position we aim to move the cursor
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at on the next line */
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originalInsertionPoint = _originalInsertPoint;
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/* Ask the layout manager to compute where to go */
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startingY = NSMidY (_insertionPointRect);
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newLocation = [_layoutManager
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_charIndexForInsertionPointMovingFromY: startingY
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bestX: originalInsertionPoint
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up: NO
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textContainer: _textContainer];
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/* Move the insertion point */
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[self setSelectedRange: NSMakeRange (newLocation, 0)];
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/* Restore the _originalInsertPoint (which was changed
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by setSelectedRange:) because we don't want it to change between
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moveUp:/moveDown: operations. */
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_originalInsertPoint = originalInsertionPoint;
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}
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- (void) moveLeft: (id)sender
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{
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NSRange newSelectedRange;
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unsigned newLocation;
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/* Do nothing if we are at beginning of text with no selection */
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if (_selected_range.location == 0 && _selected_range.length == 0)
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@ -2276,21 +2350,21 @@ afterString in order over charRange. */
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}
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if (_selected_range.location == 0)
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newSelectedRange.location = 0;
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{
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newLocation = 0;
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}
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else
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newSelectedRange.location = _selected_range.location - 1;
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newSelectedRange.length = 0;
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{
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newLocation = _selected_range.location - 1;
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}
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[self setSelectedRange: newSelectedRange];
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_currentCursor.x = [self rectForCharacterIndex:
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_selected_range.location].origin.x;
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[self setSelectedRange: NSMakeRange (newLocation, 0)];
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}
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- (void) moveRight: (id)sender
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{
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NSRange newSelectedRange;
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unsigned int length = [self textLength];
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unsigned int length = [_textStorage length];
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unsigned newLocation;
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/* Do nothing if we are at end of text */
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if (_selected_range.location == length)
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@ -2302,13 +2376,9 @@ afterString in order over charRange. */
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return;
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}
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newSelectedRange.location = MIN(NSMaxRange(_selected_range) + 1, length);
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newSelectedRange.length = 0;
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newLocation = MIN (NSMaxRange (_selected_range) + 1, length);
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[self setSelectedRange: newSelectedRange];
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_currentCursor.x = [self rectForCharacterIndex:
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_selected_range.location].origin.x;
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[self setSelectedRange: NSMakeRange (newLocation, 0)];
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}
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@ -2365,10 +2435,8 @@ afterString in order over charRange. */
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if ([self shouldDrawInsertionPoint])
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{
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NSRect rect;
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rect = [self rectForInsertionPointAtIndex: _selected_range.location];
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[self setNeedsDisplayInRect: rect avoidAdditionalLayout: YES];
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[self setNeedsDisplayInRect: _insertionPointRect
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avoidAdditionalLayout: YES];
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//<!> stop timed entry
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}
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@ -2434,10 +2502,8 @@ afterString in order over charRange. */
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if (NSLocationInRange (location, drawnRange)
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|| location == NSMaxRange (drawnRange))
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{
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NSRect rect;
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rect = [self rectForInsertionPointAtIndex: location];
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[self drawInsertionPointInRect: rect color: _caret_color
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[self drawInsertionPointInRect: _insertionPointRect
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color: _caret_color
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turnedOn: YES];
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}
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}
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@ -3076,8 +3142,9 @@ other than copy/paste or dragging. */
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+ (NSDictionary*) defaultTypingAttributes
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{
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return [NSDictionary dictionaryWithObjectsAndKeys:
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[NSParagraphStyle defaultParagraphStyle], NSParagraphStyleAttributeName,
|
||||
[NSFont userFontOfSize: 0], NSFontAttributeName,
|
||||
[NSParagraphStyle defaultParagraphStyle],
|
||||
NSParagraphStyleAttributeName,
|
||||
[NSFont userFontOfSize: 0], NSFontAttributeName,
|
||||
[NSColor textColor], NSForegroundColorAttributeName,
|
||||
nil];
|
||||
}
|
||||
|
|
@ -3106,11 +3173,11 @@ other than copy/paste or dragging. */
|
|||
|
||||
- (void) _illegalMovement: (int)textMovement
|
||||
{
|
||||
// This is similar to [self resignFirstResponder],
|
||||
// with the difference that in the notification we need
|
||||
// to put the NSTextMovement, which resignFirstResponder
|
||||
// does not. Also, if we are ending editing, we are going
|
||||
// to be removed, so it's useless to update any drawing.
|
||||
// This is similar to [self resignFirstResponder], with the
|
||||
// difference that in the notification we need to put the
|
||||
// NSTextMovement, which resignFirstResponder does not. Also, if we
|
||||
// are ending editing, we are going to be removed, so it's useless
|
||||
// to update any drawing.
|
||||
NSNumber *number;
|
||||
NSDictionary *uiDictionary;
|
||||
|
||||
|
|
@ -3160,13 +3227,6 @@ other than copy/paste or dragging. */
|
|||
}
|
||||
// end: drag accepting---------------------------------
|
||||
|
||||
// central text deletion/backspace method
|
||||
// (takes care of optimized redraw/ cursor positioning)
|
||||
- (void) deleteRange: (NSRange) aRange backspace: (BOOL) flag
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
- (unsigned) characterIndexForPoint: (NSPoint)point
|
||||
{
|
||||
unsigned index;
|
||||
|
|
@ -3184,30 +3244,7 @@ other than copy/paste or dragging. */
|
|||
return index;
|
||||
}
|
||||
|
||||
- (NSRect) rectForCharacterIndex: (unsigned)index
|
||||
{
|
||||
NSRange charRange;
|
||||
NSRange glyphRange;
|
||||
unsigned glyphIndex;
|
||||
NSRect rect;
|
||||
NSPoint loc;
|
||||
|
||||
charRange = NSMakeRange (index, 1);
|
||||
glyphRange = [_layoutManager glyphRangeForCharacterRange: charRange
|
||||
actualCharacterRange: NULL];
|
||||
glyphIndex = glyphRange.location;
|
||||
|
||||
rect = [_layoutManager lineFragmentRectForGlyphAtIndex: glyphIndex
|
||||
effectiveRange: NULL];
|
||||
loc = [_layoutManager locationForGlyphAtIndex: glyphIndex];
|
||||
|
||||
rect.origin.x += loc.x;
|
||||
rect.size.width -= loc.x;
|
||||
|
||||
return rect;
|
||||
}
|
||||
|
||||
- (NSRect) rectForCharacterRange: (NSRange) aRange
|
||||
- (NSRect) rectForCharacterRange: (NSRange)aRange
|
||||
{
|
||||
NSRange glyphRange;
|
||||
|
||||
|
|
@ -3217,18 +3254,6 @@ other than copy/paste or dragging. */
|
|||
return [_layoutManager boundingRectForGlyphRange: glyphRange
|
||||
inTextContainer: _textContainer];
|
||||
}
|
||||
|
||||
- (NSRect) rectForInsertionPointAtIndex: (unsigned)index
|
||||
{
|
||||
NSRect rect = [self rectForCharacterIndex: index];
|
||||
rect.size.width = 1;
|
||||
|
||||
if (rect.size.height == 0)
|
||||
rect.size.height = 12;
|
||||
|
||||
return rect;
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
@implementation NSTextView(NSTextInput)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue