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Implement menu and user interface item validation for NSTextView. The

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list of validated actions is incomplete but at least includes all
items from a standard Edit menu.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@29012 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Wolfgang Lux 2009-11-14 22:25:22 +00:00
parent 036a78c32d
commit 84a6777ed7
2 changed files with 55 additions and 0 deletions
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6
ChangeLog
View file

@ -1,5 +1,11 @@
2009-11-14 Wolfgang Lux <wolfgang.lux@gmail.com>
* Source/NSTextView_actions.m (-validateMenuItem:,
-validateUserIntefaceItem:): Implement menu and user interface
item validation for NSTextView. The list of validated actions is
incomplete but at least includes all items from a standard Edit
menu.
* Source/NSCell.m(-_setupTextWithFrame:inView:editor:delegate:range:,
-_updateFieldEditor):
* Source/NSActionCell.m (-setObjectValue:, -setStringValue:):

49
Source/NSTextView_actions.m
View file

@ -51,6 +51,8 @@
#include "AppKit/NSAttributedString.h"
#include "AppKit/NSGraphics.h"
#include "AppKit/NSLayoutManager.h"
#include "AppKit/NSMenuItem.h"
#include "AppKit/NSPasteboard.h"
#include "AppKit/NSScrollView.h"
#include "AppKit/NSTextStorage.h"
#include "AppKit/NSTextView.h"
@ -1512,4 +1514,51 @@ and layout is left-to-right */
// FIXME
}
- (BOOL) validateMenuItem: (NSMenuItem *)item
{
return [self validateUserInterfaceItem: item];
}
- (BOOL) validateUserInterfaceItem: (id<NSValidatedUserInterfaceItem>)item
{
SEL action = [item action];
// FIXME The list of validated actions below is far from complete
if (sel_eq(action, @selector(cut:)) || sel_eq(action, @selector(delete:)))
return [self isEditable] && [self selectedRange].length > 0;
if (sel_eq(action, @selector(copy:)))
return [self selectedRange].length > 0;
if (sel_eq(action, @selector(paste:))
|| sel_eq(action, @selector(pasteAsPlainText:))
|| sel_eq(action, @selector(pasteAsRichText:)))
{
if ([self isEditable])
{
NSArray *types;
NSString *available;
if (sel_eq(action, @selector(paste:)))
types = [self readablePasteboardTypes];
else if (sel_eq(action, @selector(pasteAsPlainText:)))
types = [NSArray arrayWithObject: NSStringPboardType];
else /*if (sel_eq(action, @selector(pasteAsRichText:)))*/
types = [NSArray arrayWithObject: NSRTFPboardType];
available = [[NSPasteboard generalPasteboard]
availableTypeFromArray: types];
return available != nil;
}
else
return NO;
}
if (sel_eq(action, @selector(selectAll:))
|| sel_eq(action, @selector(centerSelectionInVisibleArea:)))
return [self isSelectable];
return YES;
}
@end