1 files changed, 214 insertions, 0 deletions
diff --git a/src/libui_sdl/libui/darwin/spinbox.m b/src/libui_sdl/libui/darwin/spinbox.m
new file mode 100644
index 0000000..73474d0
--- /dev/null
+++ b/src/libui_sdl/libui/darwin/spinbox.m
@@ -0,0 +1,214 @@
+// 14 august 2015
+#import "uipriv_darwin.h"
+
+@interface libui_spinbox : NSView<NSTextFieldDelegate> {
+	NSTextField *tf;
+	NSNumberFormatter *formatter;
+	NSStepper *stepper;
+
+	NSInteger value;
+	NSInteger minimum;
+	NSInteger maximum;
+
+	uiSpinbox *spinbox;
+}
+- (id)initWithFrame:(NSRect)r spinbox:(uiSpinbox *)sb;
+// see https://github.com/andlabs/ui/issues/82
+- (NSInteger)libui_value;
+- (void)libui_setValue:(NSInteger)val;
+- (void)setMinimum:(NSInteger)min;
+- (void)setMaximum:(NSInteger)max;
+- (IBAction)stepperClicked:(id)sender;
+- (void)controlTextDidChange:(NSNotification *)note;
+@end
+
+struct uiSpinbox {
+	uiDarwinControl c;
+	libui_spinbox *spinbox;
+	void (*onChanged)(uiSpinbox *, void *);
+	void *onChangedData;
+};
+
+// yes folks, this varies by operating system! woo!
+// 10.10 started drawing the NSStepper one point too low, so we have to fix it up conditionally
+// TODO test this; we'll probably have to substitute 10_9
+static CGFloat stepperYDelta(void)
+{
+	// via https://developer.apple.com/library/mac/releasenotes/AppKit/RN-AppKit/
+	if (floor(NSAppKitVersionNumber) <= NSAppKitVersionNumber10_9)
+		return 0;
+	return -1;
+}
+
+@implementation libui_spinbox
+
+- (id)initWithFrame:(NSRect)r spinbox:(uiSpinbox *)sb
+{
+	self = [super initWithFrame:r];
+	if (self) {
+		self->tf = newEditableTextField();
+		[self->tf setTranslatesAutoresizingMaskIntoConstraints:NO];
+
+		self->formatter = [NSNumberFormatter new];
+		[self->formatter setFormatterBehavior:NSNumberFormatterBehavior10_4];
+		[self->formatter setLocalizesFormat:NO];
+		[self->formatter setUsesGroupingSeparator:NO];
+		[self->formatter setHasThousandSeparators:NO];
+		[self->formatter setAllowsFloats:NO];
+		[self->tf setFormatter:self->formatter];
+
+		self->stepper = [[NSStepper alloc] initWithFrame:NSZeroRect];
+		[self->stepper setIncrement:1];
+		[self->stepper setValueWraps:NO];
+		[self->stepper setAutorepeat:YES];              // hold mouse button to step repeatedly
+		[self->stepper setTranslatesAutoresizingMaskIntoConstraints:NO];
+
+		[self->tf setDelegate:self];
+		[self->stepper setTarget:self];
+		[self->stepper setAction:@selector(stepperClicked:)];
+
+		[self addSubview:self->tf];
+		[self addSubview:self->stepper];
+
+		[self addConstraint:mkConstraint(self->tf, NSLayoutAttributeLeading,
+			NSLayoutRelationEqual,
+			self, NSLayoutAttributeLeading,
+			1, 0,
+			@"uiSpinbox left edge")];
+		[self addConstraint:mkConstraint(self->stepper, NSLayoutAttributeTrailing,
+			NSLayoutRelationEqual,
+			self, NSLayoutAttributeTrailing,
+			1, 0,
+			@"uiSpinbox right edge")];
+		[self addConstraint:mkConstraint(self->tf, NSLayoutAttributeTop,
+			NSLayoutRelationEqual,
+			self, NSLayoutAttributeTop,
+			1, 0,
+			@"uiSpinbox top edge text field")];
+		[self addConstraint:mkConstraint(self->tf, NSLayoutAttributeBottom,
+			NSLayoutRelationEqual,
+			self, NSLayoutAttributeBottom,
+			1, 0,
+			@"uiSpinbox bottom edge text field")];
+		[self addConstraint:mkConstraint(self->stepper, NSLayoutAttributeTop,
+			NSLayoutRelationEqual,
+			self, NSLayoutAttributeTop,
+			1, stepperYDelta(),
+			@"uiSpinbox top edge stepper")];
+		[self addConstraint:mkConstraint(self->stepper, NSLayoutAttributeBottom,
+			NSLayoutRelationEqual,
+			self, NSLayoutAttributeBottom,
+			1, stepperYDelta(),
+			@"uiSpinbox bottom edge stepper")];
+		[self addConstraint:mkConstraint(self->tf, NSLayoutAttributeTrailing,
+			NSLayoutRelationEqual,
+			self->stepper, NSLayoutAttributeLeading,
+			1, -3,		// arbitrary amount; good enough visually (and it seems to match NSDatePicker too, at least on 10.11, which is even better)
+			@"uiSpinbox space between text field and stepper")];
+
+		self->spinbox = sb;
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	[self->tf setDelegate:nil];
+	[self->tf removeFromSuperview];
+	[self->tf release];
+	[self->formatter release];
+	[self->stepper setTarget:nil];
+	[self->stepper removeFromSuperview];
+	[self->stepper release];
+	[super dealloc];
+}
+
+- (NSInteger)libui_value
+{
+	return self->value;
+}
+
+- (void)libui_setValue:(NSInteger)val
+{
+	self->value = val;
+	if (self->value < self->minimum)
+		self->value = self->minimum;
+	if (self->value > self->maximum)
+		self->value = self->maximum;
+	[self->tf setIntegerValue:self->value];
+	[self->stepper setIntegerValue:self->value];
+}
+
+- (void)setMinimum:(NSInteger)min
+{
+	self->minimum = min;
+	[self->formatter setMinimum:[NSNumber numberWithInteger:self->minimum]];
+	[self->stepper setMinValue:((double) (self->minimum))];
+}
+
+- (void)setMaximum:(NSInteger)max
+{
+	self->maximum = max;
+	[self->formatter setMaximum:[NSNumber numberWithInteger:self->maximum]];
+	[self->stepper setMaxValue:((double) (self->maximum))];
+}
+
+- (IBAction)stepperClicked:(id)sender
+{
+	[self libui_setValue:[self->stepper integerValue]];
+	(*(self->spinbox->onChanged))(self->spinbox, self->spinbox->onChangedData);
+}
+
+- (void)controlTextDidChange:(NSNotification *)note
+{
+	[self libui_setValue:[self->tf integerValue]];
+	(*(self->spinbox->onChanged))(self->spinbox, self->spinbox->onChangedData);
+}
+
+@end
+
+uiDarwinControlAllDefaults(uiSpinbox, spinbox)
+
+int uiSpinboxValue(uiSpinbox *s)
+{
+	return [s->spinbox libui_value];
+}
+
+void uiSpinboxSetValue(uiSpinbox *s, int value)
+{
+	[s->spinbox libui_setValue:value];
+}
+
+void uiSpinboxOnChanged(uiSpinbox *s, void (*f)(uiSpinbox *, void *), void *data)
+{
+	s->onChanged = f;
+	s->onChangedData = data;
+}
+
+static void defaultOnChanged(uiSpinbox *s, void *data)
+{
+	// do nothing
+}
+
+uiSpinbox *uiNewSpinbox(int min, int max)
+{
+	uiSpinbox *s;
+	int temp;
+
+	if (min >= max) {
+		temp = min;
+		min = max;
+		max = temp;
+	}
+
+	uiDarwinNewControl(uiSpinbox, s);
+
+	s->spinbox = [[libui_spinbox alloc] initWithFrame:NSZeroRect spinbox:s];
+	[s->spinbox setMinimum:min];
+	[s->spinbox setMaximum:max];
+	[s->spinbox libui_setValue:min];
+
+	uiSpinboxOnChanged(s, defaultOnChanged, NULL);
+
+	return s;
+}