From aa81c1d82f93dc4d18d62b1742b9821d15ba409d Mon Sep 17 00:00:00 2001
From: Twinaphex <libretro@gmail.com>
Date: Wed, 8 Jun 2016 06:56:25 +0200
Subject: [PATCH] Start implementing ui_cocoa_msg_window.m

---
 ui/drivers/cocoa/ui_cocoa_msg_window.m | 94 +++++++++++++++++++++++++-
 ui/drivers/ui_cocoa.m                  |  2 +-
 ui/ui_companion_driver.h               | 11 ++-
 3 files changed, 102 insertions(+), 5 deletions(-)

diff --git a/ui/drivers/cocoa/ui_cocoa_msg_window.m b/ui/drivers/cocoa/ui_cocoa_msg_window.m
index 38a92df741..06d5e19cfb 100644
--- a/ui/drivers/cocoa/ui_cocoa_msg_window.m
+++ b/ui/drivers/cocoa/ui_cocoa_msg_window.m
@@ -19,21 +19,109 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <string/stdstring.h>
+
+#include "cocoa_common.h"
+
 #include "../../ui_companion_driver.h"
 
+extern id apple_platform;
+
+static enum ui_msg_window_response ui_msg_window_cocoa_dialog(ui_msg_window_state *state, enum ui_msg_window_type type)
+{
+    NSInteger response;
+    NSAlert* alert = [[NSAlert new] autorelease];
+    
+    if (!string_is_empty(state->title))
+        [alert setMessageText:BOXSTRING(state->title)];
+    [alert setInformativeText:BOXSTRING(state->text)];
+    
+    switch (state->buttons)
+    {
+        case UI_MSG_WINDOW_OK:
+            [alert addButtonWithTitle:BOXSTRING("OK")];
+            break;
+        case UI_MSG_WINDOW_YESNO:
+            [alert addButtonWithTitle:BOXSTRING("Yes")];
+            [alert addButtonWithTitle:BOXSTRING("No")];
+            break;
+        case UI_MSG_WINDOW_OKCANCEL:
+            [alert addButtonWithTitle:BOXSTRING("OK")];
+            [alert addButtonWithTitle:BOXSTRING("Cancel")];
+            break;
+        case UI_MSG_WINDOW_YESNOCANCEL:
+            [alert addButtonWithTitle:BOXSTRING("Yes")];
+            [alert addButtonWithTitle:BOXSTRING("No")];
+            [alert addButtonWithTitle:BOXSTRING("Cancel")];
+            break;
+    }
+    
+    switch (type)
+    {
+        case UI_MSG_WINDOW_TYPE_ERROR:
+            [alert setAlertStyle:NSCriticalAlertStyle];
+            break;
+        case UI_MSG_WINDOW_TYPE_WARNING:
+            [alert setAlertStyle:NSWarningAlertStyle];
+            break;
+        case UI_MSG_WINDOW_TYPE_QUESTION:
+            [alert setAlertStyle:NSInformationalAlertStyle];
+            break;
+        case UI_MSG_WINDOW_TYPE_INFORMATION:
+            [alert setAlertStyle:NSInformationalAlertStyle];
+            break;
+    }
+    
+    [alert beginSheetModalForWindow:((RetroArch_OSX*)[[NSApplication sharedApplication] delegate]).window
+                      modalDelegate:apple_platform
+                     didEndSelector:@selector(alertDidEnd:returnCode:contextInfo:)
+                        contextInfo:nil];
+    response = [[NSApplication sharedApplication] runModalForWindow:[alert window]];
+    
+    switch (state->buttons)
+    {
+        case UI_MSG_WINDOW_OK:
+            if (response == NSAlertFirstButtonReturn)
+                return UI_MSG_RESPONSE_OK;
+            break;
+        case UI_MSG_WINDOW_OKCANCEL:
+            if (response == NSAlertFirstButtonReturn)
+                return UI_MSG_RESPONSE_OK;
+            if (response == NSAlertSecondButtonReturn)
+                return UI_MSG_RESPONSE_CANCEL;
+            break;
+        case UI_MSG_WINDOW_YESNO:
+            if (response == NSAlertFirstButtonReturn)
+                return UI_MSG_RESPONSE_YES;
+            if (response == NSAlertSecondButtonReturn)
+                return UI_MSG_RESPONSE_NO;
+            break;
+        case UI_MSG_WINDOW_YESNOCANCEL:
+            if (response == NSAlertFirstButtonReturn)
+                return UI_MSG_RESPONSE_YES;
+            if (response == NSAlertSecondButtonReturn)
+                return UI_MSG_RESPONSE_NO;
+            if (response == NSAlertThirdButtonReturn)
+                return UI_MSG_RESPONSE_CANCEL;
+            break;
+    }
+    
+    return UI_MSG_RESPONSE_NA;
+}
+
 static enum ui_msg_window_response ui_msg_window_cocoa_error(ui_msg_window_state *state)
 {
-   return UI_MSG_RESPONSE_CANCEL;
+   return ui_msg_window_cocoa_dialog(state, UI_MSG_WINDOW_TYPE_ERROR);
 }
 
 static enum ui_msg_window_response ui_msg_window_cocoa_information(ui_msg_window_state *state)
 {
-   return UI_MSG_RESPONSE_CANCEL;
+   return ui_msg_window_cocoa_dialog(state, UI_MSG_WINDOW_TYPE_INFORMATION);
 }
 
 static enum ui_msg_window_response ui_msg_window_cocoa_question(ui_msg_window_state *state)
 {
-   return UI_MSG_RESPONSE_CANCEL;
+   return ui_msg_window_cocoa_dialog(state, UI_MSG_WINDOW_TYPE_QUESTION);
 }
 
 const ui_msg_window_t ui_msg_window_cocoa = {
diff --git a/ui/drivers/ui_cocoa.m b/ui/drivers/ui_cocoa.m
index ccd0e8f548..c5eb7facb3 100644
--- a/ui/drivers/ui_cocoa.m
+++ b/ui/drivers/ui_cocoa.m
@@ -35,7 +35,7 @@
 #include "../../system.h"
 #include "../../tasks/tasks_internal.h"
 
-static id apple_platform;
+id apple_platform;
 
 static void app_terminate(void)
 {
diff --git a/ui/ui_companion_driver.h b/ui/ui_companion_driver.h
index dc6cfafe59..66ab650f2e 100644
--- a/ui/ui_companion_driver.h
+++ b/ui/ui_companion_driver.h
@@ -41,12 +41,21 @@ enum ui_msg_window_buttons
 
 enum ui_msg_window_response
 {
-   UI_MSG_RESPONSE_OK = 0,
+   UI_MSG_RESPONSE_NA = 0,
+   UI_MSG_RESPONSE_OK,
    UI_MSG_RESPONSE_CANCEL,
    UI_MSG_RESPONSE_YES,
    UI_MSG_RESPONSE_NO
 };
 
+enum ui_msg_window_type
+{
+    UI_MSG_WINDOW_TYPE_ERROR = 0,
+    UI_MSG_WINDOW_TYPE_INFORMATION,
+    UI_MSG_WINDOW_TYPE_QUESTION,
+    UI_MSG_WINDOW_TYPE_WARNING
+};
+
 typedef struct ui_msg_window_state
 {
    enum ui_msg_window_buttons buttons;