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// Adapted from https://github.com/aaronmjacobs/Boxer/blob/master/src/boxer_osx.mm
#include "Dialog.hpp"
#import <Cocoa/Cocoa.h>
namespace Dialog {
namespace {
NSString* const kOkStr = @"OK";
NSString* const kCancelStr = @"Cancel";
NSString* const kYesStr = @"Yes";
NSString* const kNoStr = @"No";
NSString* const kQuitStr = @"Quit";
NSAlertStyle GetAlertStyle(Style style) {
#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_12
switch (style) {
case Style::Info:
return NSAlertStyleInformational;
case Style::Warning:
return NSAlertStyleWarning;
case Style::Error:
return NSAlertStyleCritical;
case Style::Question:
return NSAlertStyleWarning;
default:
return NSAlertStyleInformational;
}
#else
switch (style) {
case Style::Info:
return NSInformationalAlertStyle;
case Style::Warning:
return NSWarningAlertStyle;
case Style::Error:
return NSCriticalAlertStyle;
case Style::Question:
return NSWarningAlertStyle;
default:
return NSInformationalAlertStyle;
}
#endif
}
void SetButtons(NSAlert* alert, Buttons buttons) {
switch (buttons) {
case Buttons::OK:
[alert addButtonWithTitle:kOkStr];
break;
case Buttons::OKCancel:
[alert addButtonWithTitle:kOkStr];
[alert addButtonWithTitle:kCancelStr];
break;
case Buttons::YesNo:
[alert addButtonWithTitle:kYesStr];
[alert addButtonWithTitle:kNoStr];
break;
case Buttons::Quit:
[alert addButtonWithTitle:kQuitStr];
break;
default:
[alert addButtonWithTitle:kOkStr];
}
}
Selection GetSelection(int index, Buttons buttons) {
switch (buttons) {
case Buttons::OK:
return index == NSAlertFirstButtonReturn ? Selection::OK : Selection::None;
case Buttons::OKCancel:
if (index == NSAlertFirstButtonReturn) {
return Selection::OK;
} else if (index == NSAlertSecondButtonReturn) {
return Selection::Cancel;
} else {
return Selection::None;
}
case Buttons::YesNo:
if (index == NSAlertFirstButtonReturn) {
return Selection::Yes;
} else if (index == NSAlertSecondButtonReturn) {
return Selection::No;
} else {
return Selection::None;
}
case Buttons::Quit:
return index == NSAlertFirstButtonReturn ? Selection::Quit : Selection::None;
default:
return Selection::None;
}
}
} // namespace
Selection show(const char* message, const char* title, Style style, Buttons buttons) {
NSAlert* alert = [[NSAlert alloc] init];
[alert setMessageText:[NSString stringWithCString:title encoding:[NSString defaultCStringEncoding]]];
[alert setInformativeText:[NSString stringWithCString:message encoding:[NSString defaultCStringEncoding]]];
[alert setAlertStyle:GetAlertStyle(style)];
SetButtons(alert, buttons);
// Force the alert to appear on top of any other windows
[[alert window] setLevel:NSModalPanelWindowLevel];
Selection selection = GetSelection([alert runModal], buttons);
[alert release];
return selection;
}
} // namespace Dialog
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