Rewritten all the editing stuff.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@5177 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Nicola Pero 1999-11-14 03:24:57 +00:00
parent a4cdbd775f
commit 1deef2c3d7

View file

@ -5,10 +5,12 @@
Copyright (C) 1996 Free Software Foundation, Inc.
Author: Scott Christley <scottc@net-community.com>
Author: Scott Christley <scottc@net-community.com>
Date: 1996
Author: Felipe A. Rodriguez <far@ix.netcom.com>
Author: Felipe A. Rodriguez <far@ix.netcom.com>
Date: August 1998
Author: Nicola Pero <n.pero@mi.flashnet.it>
Date: November 1999
This file is part of the GNUstep GUI Library.
@ -30,22 +32,16 @@
#include <gnustep/gui/config.h>
#include <Foundation/NSNotification.h>
#include <Foundation/NSString.h>
#include <AppKit/NSTextField.h>
#include <AppKit/NSWindow.h>
#include <AppKit/NSTextFieldCell.h>
#include <AppKit/NSApplication.h>
#include <AppKit/NSCursor.h>
#include <AppKit/NSTextField.h>
#include <AppKit/NSTextFieldCell.h>
#include <AppKit/NSWindow.h>
@implementation NSTextField
//
// class variables
//
id _nsTextfieldCellClass = nil;
//
// Class methods
//
@ -58,59 +54,27 @@ id _nsTextfieldCellClass = nil;
}
}
//
// Initializing the NSTextField Factory
//
+ (Class) cellClass
{
return _nsTextfieldCellClass;
}
+ (void) setCellClass: (Class)classId
{
_nsTextfieldCellClass = classId;
}
//
// Instance methods
//
- (id) init
{
return [self initWithFrame: NSZeroRect];
}
- (id) initWithFrame: (NSRect)frameRect
{
return [self _initFieldWithFrame:frameRect cellClass:_nsTextfieldCellClass];
}
/*
===============
-_initFieldWithFrame:cellClass:
===============
*/
- (id)_initFieldWithFrame:(NSRect)frameRect cellClass:(Class)cellClass
{
id c;
[super initWithFrame: frameRect];
c = [cellClass new];
[self setCell: c];
[c release];
[cell setState: 1];
[cell setBezeled: YES];
[cell setSelectable: YES];
[cell setEnabled: YES];
[cell setEditable: YES];
[self setDrawsBackground: YES];
text_cursor = [[NSCursor IBeamCursor] retain];
_text_cursor = [[NSCursor IBeamCursor] retain];
_text_object = nil;
return self;
}
- (void) dealloc
{
[text_cursor release];
[_text_cursor release];
[super dealloc];
}
@ -119,9 +83,7 @@ id _nsTextfieldCellClass = nil;
//
- (void) setTextCursor: (NSCursor *)aCursor
{
[aCursor retain];
[text_cursor release];
text_cursor = aCursor;
ASSIGN(_text_cursor, aCursor);
}
- (id) copyWithZone: (NSZone*)zone
@ -150,11 +112,15 @@ id _nsTextfieldCellClass = nil;
- (void) setEditable: (BOOL)flag
{
[cell setEditable: flag];
if (_text_object)
[_text_object setEditable: flag];
}
- (void) setSelectable: (BOOL)flag
{
[cell setSelectable: flag];
if (_text_object)
[_text_object setSelectable: flag];
}
//
@ -162,15 +128,29 @@ id _nsTextfieldCellClass = nil;
//
- (void) selectText: (id)sender
{
// TODO
/*
if (window)
if ([self isSelectable] && (super_view != nil))
{
if ([window makeFirstResponder: self])
[cell selectText: sender];
[self setNeedsDisplay: YES];
if (_text_object)
[_text_object selectAll: self];
else
{
NSText *t = [window fieldEditor: YES
forObject: self];
if ([t superview] != nil)
if ([t resignFirstResponder] == NO)
return;
// [NSCursor hide];
_text_object = [cell setUpFieldEditorAttributes: t];
[cell selectWithFrame: bounds
inView: self
editor: _text_object
delegate: self
start: 0
length: [[self stringValue] length]];
}
}
*/
}
//
@ -201,12 +181,26 @@ id _nsTextfieldCellClass = nil;
//
- (void) setDelegate: (id)anObject
{
text_delegate = anObject;
NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
if (_delegate)
[nc removeObserver: _delegate name: nil object: self];
_delegate = anObject;
#define SET_DELEGATE_NOTIFICATION(notif_name) \
if ([_delegate respondsToSelector: @selector(controlText##notif_name:)]) \
[nc addObserver: _delegate \
selector: @selector(controlText##notif_name:) \
name: NSControlText##notif_name##Notification object: self]
SET_DELEGATE_NOTIFICATION(DidBeginEditing);
SET_DELEGATE_NOTIFICATION(DidEndEditing);
SET_DELEGATE_NOTIFICATION(DidChange);
}
- (id) delegate
{
return text_delegate;
return _delegate;
}
//
@ -267,232 +261,218 @@ id _nsTextfieldCellClass = nil;
//
- (SEL) errorAction
{
return error_action;
return _error_action;
}
- (void) setErrorAction: (SEL)aSelector
{
error_action = aSelector;
_error_action = aSelector;
}
//
// Handling Events
//
// TODO: Understand if, on mouse down, we should:
// (1) Select the whole text (as it is now).
// In this case, remove the commented code in the following mouseDown:;
// remove acceptsFirstMouse below.
// (2) Start editing, and pass the mouseDown: to the field editor,
// so that the cursor is displayed where the mouse was pressed.
// In that case, uncomment code in mouseDown:, remove selectText:
// from becomeFirstResponder: (but this will not highlight text
// when browsing textfields with the keyboard), and uncomment
// acceptsFirstMouse below.
// (3) Something more complicated -- figure out how to do it.
- (void) mouseDown: (NSEvent*)theEvent
{
NSRect cellFrame = bounds;
return;
/*
NSText *t;
if (![self isSelectable])
if ([self isSelectable] == NO)
return;
fprintf(stderr, " TextField mouseDown --- ");
// location = [self convertPoint: [theEvent locationInWindow] fromView: nil];
// [self lockFocus];
// cellFrame = [self convertRect: frame toView: nil];
// cellFrame.origin = [super_view convertPoint: frame.origin
// toView: [window contentView]];
if ([cell isBordered])
{
cellFrame.origin.x += 1;
cellFrame.origin.y += 1;
cellFrame.size.width -= 2;
cellFrame.size.height -= 2;
}
else if ([cell isBezeled])
{
cellFrame.origin.x += 4;
cellFrame.origin.y += 2;
cellFrame.size.width -= 6;
cellFrame.size.height -= 4;
}
fprintf (stderr,
"XRTextField 0: rect origin (%1.2f, %1.2f), size (%1.2f, %1.2f)\n",
frame.origin.x, frame.origin.y,
frame.size.width, frame.size.height);
fprintf (stderr,
"XRTextField 1: rect origin (%1.2f, %1.2f), size (%1.2f, %1.2f)\n",
cellFrame.origin.x, cellFrame.origin.y,
cellFrame.size.width, cellFrame.size.height);
[cell editWithFrame: cellFrame
inView: self
editor: [window fieldEditor: YES forObject: cell]
delegate: self
event: theEvent];
// [[self cell] _setCursorLocation: location];
// [[self cell] _setCursorVisibility: YES];
// [cell drawWithFrame: bounds inView: self];
// [window flushWindow];
// [self unlockFocus];
// if ([[self window] makeFirstResponder: self])
// [self setNeedsDisplay: YES];
}
- (void) mouseUp: (NSEvent *)theEvent
{
if (![self isSelectable])
// This could happen if someone pressed the mouse
// on the borders
if (_text_object)
return;
}
- (void) mouseMoved: (NSEvent *)theEvent
[self selectText: self];
t = [window fieldEditor: YES forObject: self];
if ([t superview] != nil)
{
if ([t resignFirstResponder] == NO)
{
if ([window makeFirstResponder: window] == NO)
return;
}
}
// [NSCursor hide];
_text_object = [cell setUpFieldEditorAttributes: t];
[cell editWithFrame: bounds
inView: self
editor: _text_object
delegate: self
event: theEvent];
*/
}
/* TODO: Needed or not? (See above, depends on how we are supposed
to answer to mouse down events)
- (BOOL) acceptsFirstMouse: (NSEvent *)aEvent
{
if (![self isSelectable])
return;
return YES;
}
// This is called if a key is pressed when an editing session
// is not yet started. (If needed, we start it from here).
- (void) keyDown: (NSEvent *)theEvent
{
unsigned int key_code = [theEvent keyCode];
NSDebugLLog(@"NSText", @"NSTextField: -keyDown %s\n",
[[theEvent characters] cString]);
// If not editable then we ignore the key down, pass it on
if (![self isEditable])
{
[super keyDown: theEvent];
return;
}
// If the key is TAB (with or without SHIFT) or ESC, pass it on
if ((key_code == 0x09) || (key_code == 0x1b))
{
[super keyDown: theEvent];
return;
}
// We handle ENTER here, to avoid setting up an editing session
// only for it.
if (key_code == 0x0d)
{
[self sendAction: [cell action] to: [cell target]];
[window selectKeyViewFollowingView: self];
return;
}
// Otherwise, start an editing session (FIXME the following)
#if 1
{
NSRect cellFrame = bounds;
if ([cell isBordered])
{
cellFrame.origin.x += 1;
cellFrame.origin.y += 1;
cellFrame.size.width -= 2;
cellFrame.size.height -= 2;
}
else if ([cell isBezeled])
{
cellFrame.origin.x += 4;
cellFrame.origin.y += 2;
cellFrame.size.width -= 6;
cellFrame.size.height -= 4;
}
[cell editWithFrame: cellFrame
inView: self
editor: [window fieldEditor: YES forObject: cell]
delegate: self
event: theEvent];
}
#else
// Hide the cursor during typing
[NSCursor hide];
[self lockFocus];
[[self cell] _handleKeyEvent: theEvent];
[cell drawWithFrame: bounds inView: self];
[window flushWindow];
[self unlockFocus];
// [self setNeedsDisplay: YES];
#endif
}
*/
- (BOOL) acceptsFirstResponder
{
if ([self isSelectable] || [self isEditable])
return YES;
else
return NO;
return [self isSelectable];
}
- (BOOL) becomeFirstResponder
{
if ([self isSelectable] || [self isEditable])
if ([self isSelectable])
{
// TODO: The following will select the whole text
// for any kind of events. Is this correct?
[self selectText: self];
return YES;
}
else
else
return NO;
}
- (BOOL) abortEditing
{
if (_text_object)
{
return NO;
[_text_object setString: @""];
[cell endEditing: _text_object];
_text_object = nil;
return YES;
}
else
return NO;
}
- (NSText *) currentEditor
{
if (_text_object && ([window firstResponder] == _text_object))
return _text_object;
else
return nil;
}
- (void) validateEditing
{
if (_text_object)
[cell setStringValue: [_text_object text]];
}
- (void) textDidBeginEditing: (NSNotification *)aNotification
{
if ([text_delegate respondsToSelector: @selector(textDidBeginEditing: )])
return [text_delegate textDidBeginEditing: aNotification];
NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
NSDictionary *d;
d = [NSDictionary dictionaryWithObject:[aNotification object]
forKey: @"NSFieldEditor"];
[nc postNotificationName: NSControlTextDidBeginEditingNotification
object: self
userInfo: d];
}
- (void) textDidChange: (NSNotification *)aNotification
{
if ([text_delegate respondsToSelector: @selector(textDidChange: )])
return [text_delegate textDidChange: aNotification];
NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
NSDictionary *d;
d = [NSDictionary dictionaryWithObject: [aNotification object]
forKey: @"NSFieldEditor"];
[nc postNotificationName: NSControlTextDidChangeNotification
object: self
userInfo: d];
}
- (void) textDidEndEditing: (NSNotification *)aNotification
{
if ([text_delegate respondsToSelector: @selector(textDidEndEditing: )])
return [text_delegate textDidEndEditing: aNotification];
NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
NSDictionary *d;
id textMovement;
[self validateEditing];
d = [NSDictionary dictionaryWithObject: [aNotification object]
forKey: @"NSFieldEditor"];
[nc postNotificationName: NSControlTextDidEndEditingNotification
object: self
userInfo: d];
[cell endEditing: [aNotification object]];
textMovement = [[aNotification userInfo] objectForKey: @"NSTextMovement"];
if (textMovement)
{
switch ([(NSNumber *)textMovement intValue])
{
case NSReturnTextMovement:
[self sendAction: [self action] to: [self target]];
break;
case NSTabTextMovement:
[window selectKeyViewFollowingView: self];
break;
case NSBacktabTextMovement:
[window selectKeyViewPrecedingView: self];
break;
}
}
_text_object = nil;
}
- (BOOL) textShouldBeginEditing: (NSText *)textObject
{
return YES;
if ([self isEditable] == NO)
return NO;
if (_delegate && [_delegate respondsToSelector:
@selector(control:textShouldBeginEditing:)])
return [_delegate control: self
textShouldBeginEditing: textObject];
else
return YES;
}
- (BOOL) textShouldEndEditing: (NSText *)aTextObject
{
if ([cell isEntryAcceptable: [aTextObject text]])
if ([cell isEntryAcceptable: [aTextObject text]] == NO)
{
// if ([delegate respondsTo: control: textShouldEndEditing: ]) // FIX ME
// {
// if (![delegate control: textShouldEndEditing: ])
// {
// NSBeep();
// return NO;
// }
// else
// return YES;
// }
[cell endEditing: aTextObject];
}
else
{ // entry is not valid
NSBeep();
[self sendAction: _error_action to: [self target]];
return NO;
}
if ([_delegate respondsToSelector:
@selector(control:textShouldEndEditing:)])
{
if ([_delegate control: self
textShouldEndEditing: aTextObject] == NO)
{
NSBeep ();
return NO;
}
}
// [self display];
// [window flushWindow];
// In all other cases
return YES;
}
//
// Manage the cursor
//
- (void) resetCursorRects
{
[self addCursorRect: bounds cursor: text_cursor];
[self addCursorRect: bounds cursor: _text_cursor];
}
//
@ -502,16 +482,16 @@ fprintf(stderr, " TextField mouseDown --- ");
{
[super encodeWithCoder: aCoder];
[aCoder encodeConditionalObject: text_delegate];
[aCoder encodeValueOfObjCType: @encode(SEL) at: &error_action];
[aCoder encodeConditionalObject: _delegate];
[aCoder encodeValueOfObjCType: @encode(SEL) at: &_error_action];
}
- (id) initWithCoder: (NSCoder*)aDecoder
{
[super initWithCoder: aDecoder];
text_delegate = [aDecoder decodeObject];
[aDecoder decodeValueOfObjCType: @encode(SEL) at: &error_action];
_delegate = [aDecoder decodeObject];
[aDecoder decodeValueOfObjCType: @encode(SEL) at: &_error_action];
return self;
}