From 442d2d75d71bbc057e667edc301a79fa1cc813be Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Sat, 27 Mar 2021 23:01:07 -0700
Subject: Initial setup

---
 core/src/Utils/Dialog/Dialog_macos.mm | 113 ++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 core/src/Utils/Dialog/Dialog_macos.mm

(limited to 'core/src/Utils/Dialog/Dialog_macos.mm')

diff --git a/core/src/Utils/Dialog/Dialog_macos.mm b/core/src/Utils/Dialog/Dialog_macos.mm
new file mode 100644
index 0000000..c0164a0
--- /dev/null
+++ b/core/src/Utils/Dialog/Dialog_macos.mm
@@ -0,0 +1,113 @@
+// 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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