Cleaned up the TextField.Invalid() popover on Mac OS X a fair bit.

redo/basicctrls_darwin.m

@@ -168,46 +168,11 @@ void textFieldSetText(id t, char *text)
 
 id textfieldOpenInvalidPopover(id textfield, char *reason)
 {
-	// step 1: set up the display
-	NSTextField *label;
-	NSTextAttachmentCell *cell;
-	NSTextAttachment *attachment;
-	NSAttributedString *strImage;
-	NSAttributedString *strText;
-	NSFont *font;
-	NSMutableAttributedString *str;
-
-	// method thanks to Anne in http://stackoverflow.com/a/5303517/3408572
-	// TODO improve appearance
-	label = toNSTextField(newLabel());
-	cell = [[NSTextAttachmentCell alloc] initImageCell:[NSImage imageNamed:NSImageNameCaution]];
-	attachment = [NSTextAttachment new];
-	[attachment setAttachmentCell:cell];
-	strImage = [NSAttributedString attributedStringWithAttachment:attachment];
-	font = [NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:NSRegularControlSize]];
-	strText = [[NSAttributedString alloc] initWithString:[NSString stringWithUTF8String:reason] attributes:[[font fontDescriptor] fontAttributes]];
-	str = [[NSMutableAttributedString alloc] initWithAttributedString:strImage];
-	[str appendAttributedString:strText];
-	[label setAttributedStringValue:str];
-
-	// step 2: set up the popover
 	NSPopover *popover;
-	NSViewController *vc;
 
-	vc = [NSViewController new];
+	popover = (NSPopover *) newWarningPopover(reason);
-	[vc setView:label];
-	popover = [NSPopover new];
-	[popover setContentViewController:vc];
-	[label sizeToFit];
-	[popover setContentSize:[label frame].size];
-
-	// step 3: show the popover
-	// NSMaxYEdge is the bottom edge when looking (maximum edge in window coordinates)
 	[popover showRelativeToRect:NSZeroRect ofView:toNSView(textfield) preferredEdge:NSMaxYEdge];
-
-	// and beep
 	NSBeep();
-
 	return (id) popover;
 }
 

redo/objc_darwin.h

@@ -143,4 +143,7 @@ extern id toImageListImage(void *, intptr_t, intptr_t, intptr_t);
 /* dialog_darwin.m */
 extern void openFile(id, void *);
 
+/* warningpopover_darwin.m */
+extern id newWarningPopover(char *);
+
 #endif

redo/warningpopover_darwin.m

@@ -0,0 +1,78 @@
+// 26 august 2014
+
+#include "objc_darwin.h"
+#include <Cocoa/Cocoa.h>
+
+@interface goWarningView : NSView {
+@public
+	NSImageView *icon;
+	NSTextField *label;
+}
+@end
+
+@implementation goWarningView
+
+- (void)sizeToFitAndArrange
+{
+	[self->label sizeToFit];
+
+	CGFloat labelheight, imageheight;
+	CGFloat targetwidth, imagewidth;
+
+	labelheight = [self->label frame].size.height;
+	imageheight = [[self->icon image] size].height;
+	imagewidth = [[self->icon image] size].width;
+	targetwidth = (imagewidth * labelheight) / imageheight;
+
+	[self->icon setFrameSize:NSMakeSize(targetwidth, labelheight)];
+
+	[self setFrameSize:NSMakeSize(targetwidth + [self->label frame].size.width, labelheight)];
+	[self->icon setFrameOrigin:NSMakePoint(0, 0)];
+	[self->label setFrameOrigin:NSMakePoint(targetwidth, 0)];
+}
+
+- (BOOL)acceptsFirstResponder
+{
+	return NO;
+}
+
+@end
+
+id newWarningPopover(char *text)
+{
+	goWarningView *wv;
+
+	wv = [[goWarningView alloc] initWithFrame:NSZeroRect];
+
+	wv->icon = [[NSImageView alloc] initWithFrame:NSZeroRect];
+	[wv->icon setImage:[NSImage imageNamed:NSImageNameCaution]];
+	// TODO verify against Interface Builder
+	[wv->icon setImageFrameStyle:NSImageFrameNone];
+//	[wv->icon setImageAlignment:xxx];
+	[wv->icon setImageScaling:NSImageScaleProportionallyUpOrDown];
+	[wv->icon setEditable:NO];
+	[wv->icon setAnimates:NO];
+	[wv->icon setAllowsCutCopyPaste:NO];
+	// TODO check other controls's values for this
+	[wv->icon setRefusesFirstResponder:YES];
+
+	wv->label = (NSTextField *) newLabel();
+	// TODO rename to textfieldSetText
+	textFieldSetText((id) wv->label, text);
+	[wv->label setRefusesFirstResponder:YES];
+
+	[wv addSubview:wv->icon];
+	[wv addSubview:wv->label];
+	[wv sizeToFitAndArrange];
+
+	NSPopover *popover;
+	NSViewController *vc;
+
+	vc = [NSViewController new];
+	[vc setView:wv];
+	popover = [NSPopover new];
+	[popover setContentViewController:vc];
+	[popover setContentSize:[wv frame].size];
+
+	return (id) popover;
+}