TAB: code to more correctly handle gtk tabs

Signed-off-by: Jeff Carr <jcarr@wit.com>

structs.go

@@ -1,5 +1,6 @@
 package gui
 
+import "log"
 import "image/color"
 import "golang.org/x/image/font"
 
@@ -92,6 +93,50 @@ type GuiBox struct {
 	UiBox		*ui.Box
 }
 
+func (s GuiBox) SetTitle(title string) {
+	log.Println("DID IT!", title)
+	if (s.Window == nil) {
+		return
+	}
+	if (s.Window.UiWindow == nil) {
+		return
+	}
+	s.Window.UiWindow.SetTitle(title)
+	return
+}
+
+func (s GuiBox) InitTab(title string) {
+	if (s.Window == nil) {
+		return
+	}
+	if (s.Window.UiWindow == nil) {
+		return
+	}
+
+	window := s.Window.UiWindow
+	tab := ui.NewTab()
+	window.SetChild(tab)
+	window.SetMargined(true)
+
+	tab.Append(title, InitBlankWindow())
+	tab.SetMargined(0, true)
+
+	s.Window.UiTab = tab
+}
+
+func (s GuiBox) AddTab(title string) {
+	if (s.Window == nil) {
+		return
+	}
+	if (s.Window.UiTab == nil) {
+		return
+	}
+
+	tab := s.Window.UiTab
+
+	tab.Append(title, InitBlankWindow())
+}
+
 // Note: every mouse click is handled
 // as a 'Button' regardless of where
 // the user clicks it. You could probably

window.go

@@ -209,3 +209,10 @@ func CreateBlankWindow(title string, x int, y int) *GuiBox {
 
 	return &box
 }
+
+func InitBlankWindow() ui.Control {
+        hbox := ui.NewHorizontalBox()
+        hbox.SetPadded(true)
+
+	return hbox
+}