diff options
Diffstat (limited to 'redo/basicctrls_darwin.m')
| -rw-r--r-- | redo/basicctrls_darwin.m | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/redo/basicctrls_darwin.m b/redo/basicctrls_darwin.m index 8e16eb1..6f2769c 100644 --- a/redo/basicctrls_darwin.m +++ b/redo/basicctrls_darwin.m @@ -7,6 +7,7 @@ #define toNSButton(x) ((NSButton *) (x)) #define toNSTextField(x) ((NSTextField *) (x)) #define toNSView(x) ((NSView *) (x)) +#define toNSPopover(x) ((NSPopover *) (x)) #define toNSBox(x) ((NSBox *) (x)) @interface goControlDelegate : NSObject <NSTextFieldDelegate> { @@ -162,6 +163,54 @@ void textFieldSetText(id t, char *text) [toNSTextField(t) setStringValue:[NSString stringWithUTF8String: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]; + [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]; + + return (id) popover; +} + +void textfieldCloseInvalidPopover(id popover) +{ + [toNSPopover(popover) close]; + [toNSPopover(popover) release]; +} + id newLabel(void) { NSTextField *l; |