Added examples for groupbox, tabbox, and radiobutton

examples/groupbox.nim

@@ -0,0 +1,24 @@
+import Cocoa / [NSFunctions, NSWindow, NSRadioButton, NSLabel, NSContainer, NSTabView]
+
+const
+    winStyle = NSWindowStyleMaskTitled or NSWindowStyleMaskClosable
+
+var win, radio1, radio2, radio3, radioContainer, tab, lbl1: ID
+
+proc radioCB(sender: ID) {.cdecl.} =
+    lbl1.text = "Selected: " & $sender.text
+
+Cocoa_Init()
+win = newWindow("NimCocoa Group Box Demo", 300, 200, winStyle)
+# tab = newTabBox(win,"First|Second|Third", 10, 10, 280, 160)
+# # for x in ["Second", "Third"]: tab.addTab(x)
+# tab.addTab("Fourth")
+    
+radioContainer = newContainer(win, "Radio Buttons",20,20,200,120)
+
+radio1 = newRadioButton(radioContainer,"Radio 1",10,10,100,24,radioCB)
+radio2 = newRadioButton(radioContainer,"Radio 2",10,35,100,24,radioCB)
+radio3 = newRadioButton(radioContainer,"Radio 3",10,60,100,24,radioCB)
+lbl1 = newLabel(win, "Selected: None", 20, 145, 200,24)
+
+Cocoa_Run(win)

examples/radio.nim

@@ -0,0 +1,20 @@
+import Cocoa / [NSFunctions, NSWindow, NSRadioButton, NSLabel, NSContainer, NSTabView]
+
+const
+    winStyle = NSWindowStyleMaskTitled or NSWindowStyleMaskClosable
+
+var win, radio1, radio2, radio3, radioContainer, tab, lbl1: ID
+
+proc radioCB(sender: ID) {.cdecl.} =
+    lbl1.text = "Selected: " & $sender.text
+
+Cocoa_Init()
+win = newWindow("NimCocoa Radio Button Demo", 300, 200, winStyle)
+
+
+radio1 = newRadioButton(win,"Radio 1",20,20,100,24,radioCB)
+radio2 = newRadioButton(win,"Radio 2",20,45,100,24,radioCB)
+radio3 = newRadioButton(win,"Radio 3",20,70,100,24,radioCB)
+lbl1 = newLabel(win, "Selected: None", 20, 145, 200,24)
+
+Cocoa_Run(win)

examples/tabbox.nim

@@ -0,0 +1,36 @@
+import Cocoa / [NSFunctions, NSWindow, NSRadioButton, 
+                NSLabel, NSContainer, NSTabView, NSComboBox]
+
+const
+    winStyle = NSWindowStyleMaskTitled or NSWindowStyleMaskClosable
+
+var win, radio1, radio2, radio3, radioContainer, tab, lbl1: ID
+var cbo: ID
+
+proc radioCB(sender: ID) {.cdecl.} =
+    lbl1.text = "Selected: " & $sender.text
+
+proc comboCB(sender: ID) {.cdecl.} =
+    lbl1.text = "Selected: " & $sender.text
+
+Cocoa_Init()
+win = newWindow("NimCocoa Group Box Demo", 400, 200, winStyle)
+tab = newTabBox(win,"First|Second|Third", 10, 10, 380, 160)
+# # for x in ["Second", "Third"]: tab.addTab(x)
+# tab.addTab("Fourth")
+    
+# radioContainer = newContainer(win, "Radio Buttons",20,20,200,120)
+var tvitem = tab.getTab("First")
+radio1 = newRadioButton(tvitem,"Radio 1",10,10,100,24,radioCB)
+radio2 = newRadioButton(tvitem,"Radio 2",10,35,100,24,radioCB)
+radio3 = newRadioButton(tvitem,"Radio 3",10,60,100,24,radioCB)
+
+lbl1 = newLabel(win, "Selected: None", 20, 170, 200,24)
+
+tvitem = tab.getTab("Second")
+cbo = newComboBox(tvitem,10,10,200,26, comboCB)
+for x in ["Apples","Oranges","Peaches"]: cbo.add(x)
+cbo.text = "Apples"
+    
+
+Cocoa_Run(win)