First Commit

libui-ng/darwin/progressbar.m

@@ -0,0 +1,78 @@
+// 14 august 2015
+#import "uipriv_darwin.h"
+
+// NSProgressIndicator has no intrinsic width by default; use the default width in Interface Builder
+#define progressIndicatorWidth 100
+
+@interface intrinsicWidthNSProgressIndicator : NSProgressIndicator
+@end
+
+@implementation intrinsicWidthNSProgressIndicator
+
+- (NSSize)intrinsicContentSize
+{
+	NSSize s;
+
+	s = [super intrinsicContentSize];
+	s.width = progressIndicatorWidth;
+	return s;
+}
+
+@end
+
+struct uiProgressBar {
+	uiDarwinControl c;
+	NSProgressIndicator *pi;
+};
+
+uiDarwinControlAllDefaults(uiProgressBar, pi)
+
+int uiProgressBarValue(uiProgressBar *p)
+{
+	if ([p->pi isIndeterminate])
+		return -1;
+	return [p->pi doubleValue];
+}
+
+void uiProgressBarSetValue(uiProgressBar *p, int value)
+{
+	if (value == -1) {
+		[p->pi setIndeterminate:YES];
+		[p->pi startAnimation:p->pi];
+		return;
+	}
+
+	if ([p->pi isIndeterminate]) {
+		[p->pi setIndeterminate:NO];
+		[p->pi stopAnimation:p->pi];
+	}
+
+	if (value < 0 || value > 100)
+		uiprivUserBug("Value %d out of range for a uiProgressBar.", value);
+
+	// on 10.8 there's an animation when the progress bar increases, just like with Aero
+	if (value == 100) {
+		[p->pi setMaxValue:101];
+		[p->pi setDoubleValue:101];
+		[p->pi setDoubleValue:100];
+		[p->pi setMaxValue:100];
+		return;
+	}
+	[p->pi setDoubleValue:((double) (value + 1))];
+	[p->pi setDoubleValue:((double) value)];
+}
+
+uiProgressBar *uiNewProgressBar(void)
+{
+	uiProgressBar *p;
+
+	uiDarwinNewControl(uiProgressBar, p);
+
+	p->pi = [[intrinsicWidthNSProgressIndicator alloc] initWithFrame:NSZeroRect];
+	[p->pi setControlSize:NSRegularControlSize];
+	[p->pi setBezeled:YES];
+	[p->pi setStyle:NSProgressIndicatorBarStyle];
+	[p->pi setIndeterminate:NO];
+
+	return p;
+}