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Code for multiple text views

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@8398 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Nicola Pero 2000-12-21 17:29:51 +00:00
parent 5759ea6b0f
commit 8d3ffdfc63
1 changed files with 80 additions and 17 deletions
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97
Source/NSLayoutManager.m
View file

@ -30,6 +30,8 @@
#include <AppKit/NSLayoutManager.h>
#include "GSSimpleLayoutManager.h"
#include <AppKit/NSWindow.h>
// _GSRunSearchKey is an internal class which serves as the foundation for
// all our searching. This may not be an elegant way to go about this, so
// if someone wants to optimize this out, please do.
@ -393,42 +395,78 @@ static NSComparisonResult aSort(GSIArrayItem i0, GSIArrayItem i1)
}
}
//
// Setting text containers
//
/*
* Setting text containers
*/
- (NSArray*) textContainers
{
return _textContainers;
}
// Add a container to the end of the array. Must invalidate layout of
// all glyphs after the previous last container (ie glyphs that were
// not previously laid out because they would not fit anywhere).
/* Add a container to the end of the array. Must invalidate layout of
* all glyphs after the previous last container (ie glyphs that were
* not previously laid out because they would not fit anywhere). */
- (void) addTextContainer: (NSTextContainer*)obj
{
if ([_textContainers indexOfObjectIdenticalTo: obj] == NSNotFound)
{
int i;
[_textContainers addObject: obj];
[obj setLayoutManager: self];
// TODO: Invalidate layout
_textContainersCount++;
/* NB: We do not retain this here ! It's already retained in the
array. */
_firstTextView = [(NSTextContainer *)[_textContainers objectAtIndex: 0]
textView];
for (i = 0; i < _textContainersCount; i++)
{
NSTextView *tv = [[_textContainers objectAtIndex: i] textView];
[tv _updateMultipleTextViews];
}
}
}
// Insert a container into the array before the container at index.
// Must invalidate layout of all glyphs in the containers from the one
// previously at index to the last container.
/* Insert a container into the array before the container at index.
* Must invalidate layout of all glyphs in the containers from the one
* previously at index to the last container. */
- (void) insertTextContainer: (NSTextContainer*)aTextContainer
atIndex: (unsigned)index
{
[_textContainers insertObject: aTextContainer atIndex: index];
int i;
[_textContainers insertObject: aTextContainer atIndex: index];
_textContainersCount++;
_firstTextView = [(NSTextContainer *)[_textContainers objectAtIndex: 0]
textView];
for (i = 0; i < _textContainersCount; i++)
{
NSTextView *tv = [[_textContainers objectAtIndex: i] textView];
[tv _updateMultipleTextViews];
}
// TODO: Invalidate layout
}
// Removes the container at index from the array. Must invalidate layout of all
// glyphs in the container being removed and any containers which come after it.
// Removes the container at index from the array. Must invalidate
// layout of all glyphs in the container being removed and any
// containers which come after it.
- (void) removeTextContainerAtIndex: (unsigned)index
{
int i;
[_textContainers removeObjectAtIndex: index];
_textContainersCount--;
_firstTextView = [(NSTextContainer *)[_textContainers objectAtIndex: 0]
textView];
for (i = 0; i < _textContainersCount; i++)
{
NSTextView *tv = [[_textContainers objectAtIndex: i] textView];
[tv _updateMultipleTextViews];
}
}
//
@ -1275,19 +1313,44 @@ needs to be redrawn when a range of glyphs changes. */
return NULL;
}
//
// Managing the responder chain
//
// Returns YES if the firstResponder of the given window is one of the
// NSTextViews attached to this NSLayoutManager.
/*
* Managing the responder chain
*/
- (BOOL) layoutManagerOwnsFirstResponderInWindow: (NSWindow*)aWindow
{
id firstResponder = [aWindow firstResponder];
if (_textContainersCount == 1)
{
if (_firstTextView == firstResponder)
{
return YES;
}
}
else
{
int i;
for (i = 0; i < _textContainersCount; i++)
{
id tv = [[_textContainers objectAtIndex: i] textView];
if (tv == firstResponder)
{
return YES;
}
}
}
return NO;
}
- (NSTextView*) firstTextView
{
return [[_textContainers objectAtIndex: 0] textView];
/* WARNING: Uncommenting the following makes initialization
with the other text objects more difficult. */
// return _firstTextView;
}
// This method is special in that it won't cause layout if the