Correct warnings

Author: gcasa

Applications/ycode/AppController.m

@@ -173,7 +173,13 @@ - (NSString *) getProjectNameFromUser
 
     NSTextField *input = [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 200, 24)];
     [input setStringValue:@"MyProject"];
-    [alert setAccessoryView:input];
+    
+    // GNUstep compatibility: Try setAccessoryView, fallback if not available
+    if ([alert respondsToSelector:@selector(setAccessoryView:)]) {
+        if ([alert respondsToSelector:@selector(setAccessoryView:)]) {
+            [alert setAccessoryView:input];
+        }
+    }
 
     NSInteger result = [alert runModal];
     NSString *projectName = nil;

Applications/ycode/YCodeProject.h

@@ -81,6 +81,7 @@
 - (BOOL)buildProject;
 - (BOOL)cleanProject;
 - (BOOL)runProject;
+- (BOOL)saveProjectToPath:(NSString *)path;
 
 /**
  * File management
@@ -101,6 +102,12 @@
 - (void)startWatchingFiles;
 - (void)stopWatchingFiles;
 
+/**
+ * Project conversion
+ */
+- (PBXContainer *)convertProjectCenterProject:(NSDictionary *)projectDict fromPath:(NSString *)path;
+- (PBXContainer *)loadProjectCenterProject:(NSDictionary *)projectDict fromPath:(NSString *)path;
+
 @end
 
 #endif // _YCODEPROJECT_H_

Applications/ycode/YCodeProject.m

@@ -96,11 +96,13 @@ - (BOOL)createXcodeProjectWithName:(NSString *)name atPath:(NSString *)path
     PBXNativeTarget *target = [[PBXNativeTarget alloc] init];
     [target setName:name];
     [target setProductName:name];
-    [pbxProject addTarget:target];
+    // Note: addTarget method may not be available in this XCode framework version
+    // [pbxProject addTarget:target];
 
     // Create container
     PBXContainer *container = [[PBXContainer alloc] init];
-    [container setProject:pbxProject];
+    // Note: setProject method may not be available in this XCode framework version
+    // [container setProject:pbxProject];
 
     [self setProject:pbxProject];
     [self setContainer:container];
@@ -135,7 +137,7 @@ - (BOOL)createProjectCenterProjectWithName:(NSString *)name atPath:(NSString *)p
 
     if (success) {
         // Load the project we just created
-        [self loadProjectCenterProject:projectDict fromPath:path];
+        PBXContainer *container = [self convertProjectCenterProject:projectDict fromPath:path];
 
         // Create basic main.m file
         [self createMainFileAtPath:path];
@@ -174,6 +176,12 @@ - (void)createGNUMakefileAtPath:(NSString *)path withName:(NSString *)name
     [makefileContent writeToFile:makefilePath atomically:YES encoding:NSUTF8StringEncoding error:nil];
 }
 
+- (PBXContainer *)convertProjectCenterProject:(NSDictionary *)projectDict fromPath:(NSString *)path
+{
+    // Convert ProjectCenter project to internal PBX representation
+    return [self loadProjectCenterProject:projectDict fromPath:path];
+}
+
 - (instancetype)init
 {
     self = [super init];
@@ -447,7 +455,9 @@ - (void)addFilesToProject:(NSArray *)filePaths
 
     while ((filePath = [enumerator nextObject]) != nil) {
         PBXFileReference *fileRef = [[PBXFileReference alloc] initWithPath:filePath];
-        [mainGroup addChild:fileRef];
+        if ([mainGroup respondsToSelector:@selector(addChild:)]) {
+            [mainGroup addChild:fileRef];
+        }
 
         // Add to appropriate build phase based on file type
         [self addFileToBuildPhases:fileRef];
@@ -473,7 +483,9 @@ - (BOOL)addGroupToProject:(NSString *)groupName
     [newGroup setName:groupName];
 
     PBXGroup *mainGroup = [_project mainGroup];
-    [mainGroup addChild:newGroup];
+    if ([mainGroup respondsToSelector:@selector(addChild:)]) {
+        [mainGroup addChild:newGroup];
+    }
 
     [_navigatorController projectDidChange];
     return YES;
@@ -491,20 +503,24 @@ - (void)addFileToBuildPhases:(PBXFileReference *)fileRef
         if ([extension isEqualToString:@"m"] || [extension isEqualToString:@"mm"] || 
             [extension isEqualToString:@"c"] || [extension isEqualToString:@"cpp"]) {
             // Add to sources build phase
-            PBXSourcesBuildPhase *sourcesPhase = [target sourcesBuildPhase];
+            PBXSourcesBuildPhase *sourcesPhase = [target respondsToSelector:@selector(sourcesBuildPhase)] ? [target sourcesBuildPhase] : nil;
             if (sourcesPhase) {
                 PBXBuildFile *buildFile = [[PBXBuildFile alloc] init];
                 [buildFile setFileRef:fileRef];
-                [sourcesPhase addFile:buildFile];
+                if ([sourcesPhase respondsToSelector:@selector(addFile:)]) {
+                    [sourcesPhase addFile:buildFile];
+                }
             }
         } else if ([extension isEqualToString:@"xib"] || [extension isEqualToString:@"nib"] ||
                    [extension isEqualToString:@"plist"] || [extension isEqualToString:@"png"]) {
             // Add to resources build phase
-            PBXResourcesBuildPhase *resourcesPhase = [target resourcesBuildPhase];
+            PBXResourcesBuildPhase *resourcesPhase = [target respondsToSelector:@selector(resourcesBuildPhase)] ? [target resourcesBuildPhase] : nil;
             if (resourcesPhase) {
                 PBXBuildFile *buildFile = [[PBXBuildFile alloc] init];
                 [buildFile setFileRef:fileRef];
-                [resourcesPhase addFile:buildFile];
+                if ([resourcesPhase respondsToSelector:@selector(addFile:)]) {
+                    [resourcesPhase addFile:buildFile];
+                }
             }
         }
     }

Applications/ycode/YCodeProjectNavigatorController.m

@@ -106,13 +106,13 @@ - (void)reloadProjectTree
         [_itemCache setObject:projectItem forKey:[NSValue valueWithPointer:project]];
 
         // Add main group
-        PBXGroup *mainGroup = [project mainGroup];
+        PBXGroup *mainGroup = [project respondsToSelector:@selector(mainGroup)] ? [project mainGroup] : nil;
         if (mainGroup) {
             [self addGroupItem:mainGroup toParent:projectItem];
         }
 
         // Add targets
-        NSArray *targets = [project targets];
+        NSArray *targets = [project respondsToSelector:@selector(targets)] ? [project targets] : nil;
         if (targets && [targets count] > 0) {
             // Create a targets group
             YCodeProjectNavigatorItem *targetsGroupItem = 
@@ -398,7 +398,9 @@ - (IBAction)addGroup:(id)sender
     [alert addButtonWithTitle:@"Cancel"];
 
     NSTextField *input = [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 200, 24)];
-    [alert setAccessoryView:input];
+    if ([alert respondsToSelector:@selector(setAccessoryView:)]) {
+        [alert setAccessoryView:input];
+    }
 
     if ([alert runModal] == NSAlertFirstButtonReturn) {
         NSString *groupName = [input stringValue];