Add destroyall

src/Gtk.jl

@@ -15,7 +15,7 @@ import Cairo: destroy
 # generic interface:
 export width, height, #minsize, maxsize
     reveal, configure, draw, cairo_context,
-    visible, destroy,
+    visible, destroy, destroyall,
     hasparent, toplevel
 
     #property, margin, padding, align
@@ -155,7 +155,7 @@ module ShortNames
     # generic interface (keep this synchronized with above)
     export width, height, #minsize, maxsize
         reveal, configure, draw, cairo_context,
-        visible, destroy,
+        visible, destroy,  destroyall,
         hasparent, toplevel
 
     # Gtk objects

src/windows.jl

@@ -1,5 +1,6 @@
 @GType GtkWindow <: GtkWindow
 function GtkWindow(title=nothing, w=-1, h=-1, resizable=true, toplevel=true)
+    global allwindows
     hnd = ccall((:gtk_window_new,libgtk),Ptr{GObject},(Enum,),
         toplevel?GtkWindowType.TOPLEVEL:GtkWindowType.POPUP)
     if title !== nothing
@@ -12,9 +13,25 @@ function GtkWindow(title=nothing, w=-1, h=-1, resizable=true, toplevel=true)
         ccall((:gtk_widget_set_size_request,libgtk),Void,(Ptr{GObject},Int32,Int32),hnd,w,h)
     end
     widget = GtkWindow(hnd)
+    push!(allwindows, widget)
+    on_signal_destroy(_delete!, widget)
     show(widget)
     widget
 end
 
+const allwindows = Set()
+function _delete!(ptr::Ptr, win::GtkWindowI)
+    global allwindows
+    delete!(allwindows, win)
+    nothing
+end
+
+function destroyall()
+    global allwindows
+    for win in allwindows
+        destroy(win)
+    end
+end
+
 #GtkScrolledWindow
 #GtkSeparator — A separator widget

test/tests.jl

@@ -23,6 +23,15 @@ w=WeakRef(w)
 gc(); gc(); sleep(.1); gc(); gc()
 @assert w.value === nothing || w.value.handle == C_NULL
 
+win1 = Window("window 1")
+win2 = Window("window 2")
+win3 = Window("window 3")
+@assert length(Gtk.allwindows) == 3
+destroy(win2)
+@assert length(Gtk.allwindows) == 2
+destroyall()
+@assert length(Gtk.allwindows) == 0
+
 ## Frame
 w = Window(
     Frame(),