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// 8 december 2015
#import "uipriv_darwin.h"
// NSTextView has no intrinsic content size by default, which wreaks havoc on a pure-Auto Layout system
// we'll have to take over to get it to work
// see also http://stackoverflow.com/questions/24210153/nstextview-not-properly-resizing-with-auto-layout and http://stackoverflow.com/questions/11237622/using-autolayout-with-expanding-nstextviews
@interface intrinsicSizeTextView : NSTextView {
uiMultilineEntry *libui_e;
}
- (id)initWithFrame:(NSRect)r e:(uiMultilineEntry *)e;
@end
struct uiMultilineEntry {
uiDarwinControl c;
NSScrollView *sv;
intrinsicSizeTextView *tv;
struct scrollViewData *d;
void (*onChanged)(uiMultilineEntry *, void *);
void *onChangedData;
BOOL changing;
};
@implementation intrinsicSizeTextView
- (id)initWithFrame:(NSRect)r e:(uiMultilineEntry *)e
{
self = [super initWithFrame:r];
if (self)
self->libui_e = e;
return self;
}
- (NSSize)intrinsicContentSize
{
NSTextContainer *textContainer;
NSLayoutManager *layoutManager;
NSRect rect;
textContainer = [self textContainer];
layoutManager = [self layoutManager];
[layoutManager ensureLayoutForTextContainer:textContainer];
rect = [layoutManager usedRectForTextContainer:textContainer];
return rect.size;
}
- (void)didChangeText
{
[super didChangeText];
[self invalidateIntrinsicContentSize];
if (!self->libui_e->changing)
(*(self->libui_e->onChanged))(self->libui_e, self->libui_e->onChangedData);
}
@end
uiDarwinControlAllDefaultsExceptDestroy(uiMultilineEntry, sv)
static void uiMultilineEntryDestroy(uiControl *c)
{
uiMultilineEntry *e = uiMultilineEntry(c);
scrollViewFreeData(e->sv, e->d);
[e->tv release];
[e->sv release];
uiFreeControl(uiControl(e));
}
static void defaultOnChanged(uiMultilineEntry *e, void *data)
{
// do nothing
}
char *uiMultilineEntryText(uiMultilineEntry *e)
{
return uiDarwinNSStringToText([e->tv string]);
}
void uiMultilineEntrySetText(uiMultilineEntry *e, const char *text)
{
[[e->tv textStorage] replaceCharactersInRange:NSMakeRange(0, [[e->tv string] length])
withString:toNSString(text)];
// must be called explicitly according to the documentation of shouldChangeTextInRange:replacementString:
e->changing = YES;
[e->tv didChangeText];
e->changing = NO;
}
// TODO scroll to end?
void uiMultilineEntryAppend(uiMultilineEntry *e, const char *text)
{
[[e->tv textStorage] replaceCharactersInRange:NSMakeRange([[e->tv string] length], 0)
withString:toNSString(text)];
e->changing = YES;
[e->tv didChangeText];
e->changing = NO;
}
void uiMultilineEntryOnChanged(uiMultilineEntry *e, void (*f)(uiMultilineEntry *e, void *data), void *data)
{
e->onChanged = f;
e->onChangedData = data;
}
int uiMultilineEntryReadOnly(uiMultilineEntry *e)
{
return [e->tv isEditable] == NO;
}
void uiMultilineEntrySetReadOnly(uiMultilineEntry *e, int readonly)
{
BOOL editable;
editable = YES;
if (readonly)
editable = NO;
[e->tv setEditable:editable];
}
static uiMultilineEntry *finishMultilineEntry(BOOL hscroll)
{
uiMultilineEntry *e;
NSFont *font;
struct scrollViewCreateParams p;
uiDarwinNewControl(uiMultilineEntry, e);
e->tv = [[intrinsicSizeTextView alloc] initWithFrame:NSZeroRect e:e];
// verified against Interface Builder for a sufficiently customized text view
// NSText properties:
// this is what Interface Builder sets the background color to
[e->tv setBackgroundColor:[NSColor colorWithCalibratedWhite:1.0 alpha:1.0]];
[e->tv setDrawsBackground:YES];
[e->tv setEditable:YES];
[e->tv setSelectable:YES];
[e->tv setFieldEditor:NO];
[e->tv setRichText:NO];
[e->tv setImportsGraphics:NO];
[e->tv setUsesFontPanel:NO];
[e->tv setRulerVisible:NO];
// we'll handle font last
// while setAlignment: has been around since 10.0, the named constant "NSTextAlignmentNatural" seems to have only been introduced in 10.11
#define ourNSTextAlignmentNatural 4
[e->tv setAlignment:ourNSTextAlignmentNatural];
// textColor is set to nil, just keep the dfault
[e->tv setBaseWritingDirection:NSWritingDirectionNatural];
[e->tv setHorizontallyResizable:NO];
[e->tv setVerticallyResizable:YES];
// NSTextView properties:
[e->tv setAllowsDocumentBackgroundColorChange:NO];
[e->tv setAllowsUndo:YES];
// default paragraph style is nil; keep default
[e->tv setAllowsImageEditing:NO];
[e->tv setAutomaticQuoteSubstitutionEnabled:NO];
[e->tv setAutomaticLinkDetectionEnabled:NO];
[e->tv setDisplaysLinkToolTips:YES];
[e->tv setUsesRuler:NO];
[e->tv setUsesInspectorBar:NO];
[e->tv setSelectionGranularity:NSSelectByCharacter];
// there is a dedicated named insertion point color but oh well
[e->tv setInsertionPointColor:[NSColor controlTextColor]];
// typing attributes is nil; keep default (we change it below for fonts though)
[e->tv setSmartInsertDeleteEnabled:NO];
[e->tv setContinuousSpellCheckingEnabled:NO];
[e->tv setGrammarCheckingEnabled:NO];
[e->tv setUsesFindPanel:YES];
[e->tv setEnabledTextCheckingTypes:0];
[e->tv setAutomaticDashSubstitutionEnabled:NO];
[e->tv setAutomaticDataDetectionEnabled:NO];
[e->tv setAutomaticSpellingCorrectionEnabled:NO];
[e->tv setAutomaticTextReplacementEnabled:NO];
[e->tv setUsesFindBar:NO];
[e->tv setIncrementalSearchingEnabled:NO];
// NSTextContainer properties:
[[e->tv textContainer] setWidthTracksTextView:YES];
[[e->tv textContainer] setHeightTracksTextView:NO];
// NSLayoutManager properties:
[[e->tv layoutManager] setAllowsNonContiguousLayout:YES];
// now just to be safe; this will do some of the above but whatever
disableAutocorrect(e->tv);
// see https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/TextUILayer/Tasks/TextInScrollView.html
// notice we don't use the Auto Layout code; see scrollview.m for more details
[e->tv setMaxSize:NSMakeSize(CGFLOAT_MAX, CGFLOAT_MAX)];
[e->tv setVerticallyResizable:YES];
[e->tv setHorizontallyResizable:hscroll];
if (hscroll) {
[e->tv setAutoresizingMask:(NSViewWidthSizable | NSViewHeightSizable)];
[[e->tv textContainer] setWidthTracksTextView:NO];
} else {
[e->tv setAutoresizingMask:NSViewWidthSizable];
[[e->tv textContainer] setWidthTracksTextView:YES];
}
[[e->tv textContainer] setContainerSize:NSMakeSize(CGFLOAT_MAX, CGFLOAT_MAX)];
// don't use uiDarwinSetControlFont() directly; we have to do a little extra work to set the font
font = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:NSRegularControlSize]];
[e->tv setTypingAttributes:[NSDictionary
dictionaryWithObject:font
forKey:NSFontAttributeName]];
// e->tv font from Interface Builder is nil, but setFont:nil throws an exception
// let's just set it to the standard control font anyway, just to be safe
[e->tv setFont:font];
memset(&p, 0, sizeof (struct scrollViewCreateParams));
p.DocumentView = e->tv;
// this is what Interface Builder sets it to
p.BackgroundColor = [NSColor colorWithCalibratedWhite:1.0 alpha:1.0];
p.DrawsBackground = YES;
p.Bordered = YES;
p.HScroll = hscroll;
p.VScroll = YES;
e->sv = mkScrollView(&p, &(e->d));
uiMultilineEntryOnChanged(e, defaultOnChanged, NULL);
return e;
}
uiMultilineEntry *uiNewMultilineEntry(void)
{
return finishMultilineEntry(NO);
}
uiMultilineEntry *uiNewNonWrappingMultilineEntry(void)
{
return finishMultilineEntry(YES);
}
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