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Implemented activation of links when you click on them; only activate

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attachments on the first click


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@11959 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
nico 2002-01-03 09:46:00 +00:00
parent e0a3443a6d
commit 00e9dc07cf
1 changed files with 93 additions and 38 deletions
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131
Source/NSTextView.m
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@ -1,9 +1,9 @@
/** <title>NSTextView</title>
Copyright (C) 1996, 1998, 2000 Free Software Foundation, Inc.
Copyright (C) 1996, 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
Much of the code here is derived from code which was originally in
NSText.m.
Much code of this class was originally derived from code which was
in NSText.m.
Author: Scott Christley <scottc@net-community.com>
Date: 1996
@ -18,7 +18,7 @@
Date: March 2000, September 2000
Author: Nicola Pero <n.pero@mi.flashnet.it>
Date: December 2000
Date: 2000, 2001, 2002
This file is part of the GNUstep GUI Library.
@ -2138,40 +2138,6 @@ afterString in order over charRange. */
startPoint = [self convertPoint: [theEvent locationInWindow] fromView: nil];
startIndex = [self characterIndexForPoint: startPoint];
if ([_textStorage containsAttachments])
{
NSTextAttachment *attachment;
/* Check if the click was on an attachment cell. */
attachment = [_textStorage attribute: NSAttachmentAttributeName
atIndex: startIndex
effectiveRange: NULL];
if (attachment != nil)
{
id <NSTextAttachmentCell> cell = [attachment attachmentCell];
if (cell != nil)
{
/* FIXME: Where to get the cellFrame? */
NSRect cellFrame = NSMakeRect(0, 0, 0, 0);
if ([cell wantsToTrackMouseForEvent: theEvent
inRect: cellFrame
ofView: self
atCharacterIndex: startIndex]
&& [cell trackMouse: theEvent
inRect: cellFrame
ofView: self
atCharacterIndex: startIndex
untilMouseUp: NO])
{
return;
}
}
}
}
if ([theEvent modifierFlags] & NSShiftKeyMask)
{
/* Shift-click is for extending an existing selection using
@ -2206,7 +2172,96 @@ afterString in order over charRange. */
case 3: granularity = NSSelectByParagraph;
break;
}
proposedRange = NSMakeRange (startIndex, 0);
/* We manage clicks on attachments and links only on the first
click, so that if you double-click on them, only the first
click gets sent to them; the other clicks select by
word/paragraph as usual. */
if (granularity == NSSelectByCharacter)
{
if ([_textStorage containsAttachments])
{
NSTextAttachment *attachment;
/* Check if the click was on an attachment cell. */
attachment = [_textStorage attribute: NSAttachmentAttributeName
atIndex: startIndex
effectiveRange: NULL];
if (attachment != nil)
{
id <NSTextAttachmentCell> cell = [attachment attachmentCell];
if (cell != nil)
{
/* FIXME: Where to get the cellFrame? */
NSRect cellFrame = NSMakeRect(0, 0, 0, 0);
/* FIXME: What about the insertion point ? */
if ([cell wantsToTrackMouseForEvent: theEvent
inRect: cellFrame
ofView: self
atCharacterIndex: startIndex]
&& [cell trackMouse: theEvent
inRect: cellFrame
ofView: self
atCharacterIndex: startIndex
untilMouseUp: NO])
{
return;
}
}
}
}
/* This is the code for handling click event on a link (a link
is some chars with the NSLinkAttributeName set to something
which is not-null, a NSURL object usually). */
{
/* What exactly is this link object, it's up to the
programmer who is using the NSTextView and who
originally created the link object and saved it under
the NSLinkAttributeName in the text. Normally, a NSURL
object is used.*/
id link = [_textStorage attribute: NSLinkAttributeName
atIndex: startIndex
effectiveRange: NULL];
if (link != nil && _delegate != nil)
{
SEL selector = @selector(textView:clickedOnLink:atIndex:);
if ([_delegate respondsToSelector: selector])
{
/* Move the insertion point over the link. */
chosenRange = [self selectionRangeForProposedRange:
proposedRange
granularity: granularity];
[self setSelectedRange: chosenRange affinity: affinity
stillSelecting: NO];
[self displayIfNeeded];
/* Now 'activate' the link. The _delegate returns
YES if it handles the click, NO if it doesn't
-- and if it doesn't, we need to pass the click
to the next responder. */
if ([_delegate textView: self clickedOnLink: link
atIndex: startIndex])
{
return;
}
else
{
[super mouseDown: theEvent];
return;
}
}
}
}
}
}
chosenRange = [self selectionRangeForProposedRange: proposedRange