implement sharing in iOS, add OpenGL renderer in OSX window

PanoPainter-OSX/main.cpp

@@ -92,21 +92,6 @@ std::mutex task_mutex;
 {
     NSURL *url = [NSURL fileURLWithPath:file_path];
     NSArray *objectsToShare = @[url];
-//
-//    UIActivityViewController *controller = [[UIActivityViewController alloc] initWithActivityItems:objectsToShare applicationActivities:nil];
-//
-//    // Exclude all activities except AirDrop.
-//    NSArray *excludedActivities = @[UIActivityTypePostToTwitter, UIActivityTypePostToFacebook,
-//                                    UIActivityTypePostToWeibo,
-//                                    UIActivityTypeMessage, UIActivityTypeMail,
-//                                    UIActivityTypePrint, UIActivityTypeCopyToPasteboard,
-//                                    UIActivityTypeAssignToContact, UIActivityTypeSaveToCameraRoll,
-//                                    UIActivityTypeAddToReadingList, UIActivityTypePostToFlickr,
-//                                    UIActivityTypePostToVimeo, UIActivityTypePostToTencentWeibo];
-//    controller.excludedActivityTypes = excludedActivities;
-//
-//    // Present the controller
-//    [self presentViewController:controller animated:YES completion:nil];
     [airdrop_service performWithItems:objectsToShare];
 }
 - (NSWindow *)sharingService:(NSSharingService *)sharingService sourceWindowForShareItems:(NSArray *)items sharingContentScope:(NSSharingContentScope *)sharingContentScope
@@ -170,6 +155,7 @@ std::mutex task_mutex;
     
     CGLLockContext([[self openGLContext] CGLContextObj]);
     App::I.init();
+    [self.window setTitle:[NSString stringWithFormat:@"%s - %s", g_window_title, glGetString(GL_RENDERER)]];
     CGLUnlockContext([[self openGLContext] CGLContextObj]);
     gl_ready = true;
 

PanoPainter/GameViewController.h

@@ -28,4 +28,5 @@
 - (void)registerForKeyboardNotifications;
 - (void)unregisterForKeyboardNotifications;
 - (void)crash;
+- (void)share_file:(NSString*)file_path;
 @end

PanoPainter/GameViewController.m

@@ -70,6 +70,21 @@ std::recursive_mutex lock_mutex;
     [self.context presentRenderbuffer:GL_RENDERBUFFER];
 }
 
+- (void)share_file:(NSString *)file_path
+{
+    NSURL *url = [NSURL fileURLWithPath:file_path];
+    NSArray *objectsToShare = @[url];
+ 
+    UIActivityViewController *controller = [[UIActivityViewController alloc] initWithActivityItems:objectsToShare applicationActivities:nil];
+    
+    controller.excludedActivityTypes = @[];
+    controller.popoverPresentationController.sourceView = self.view;
+    controller.popoverPresentationController.sourceRect = CGRectMake(self.view.bounds.size.width/2, self.view.bounds.size.height/4, 0, 0);
+
+    // Present the controller
+    [self presentViewController:controller animated:YES completion:nil];
+}
+
 -(void)display_file:(std::string)filename
 {
     NSString* filePath = [NSString stringWithUTF8String:filename.c_str()];

data/layout.xml

@@ -873,7 +873,7 @@ Here's a list of what's available in this release.
         <icon icon="picture_go" width="20"/>
         <text text="Export JPG" grow="1" margin="0 0 0 5" font-face="arial" font-size="11"/>
       </button-custom>
-      <button-custom id="file-share" os="osx" text="Menu" height="40" align="center" color=".2" pad="0 0 0 10" dir="row">
+      <button-custom id="file-share" os="osx,ios" text="Menu" height="40" align="center" color=".2" pad="0 0 0 10" dir="row">
         <icon icon="picture_go" width="20"/>
         <text text="Share" grow="1" margin="0 0 0 5" font-face="arial" font-size="11"/>
       </button-custom>

src/app_events.cpp

@@ -164,8 +164,14 @@ void App::display_file(std::string path)
 void App::share_file(std::string path)
 {
     if (path.empty())
+    {
+        message_box("Sharing failed", "Please save the document before sharing it.");
         return;
+    }
 #ifdef __IOS__
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [ios_view share_file:[NSString stringWithUTF8String:path.c_str()]];
+    });
 #elif __OSX__
     dispatch_async(dispatch_get_main_queue(), ^{
         [osx_view share_file:[NSString stringWithUTF8String:path.c_str()]];