Added the GTK+ implementation of Window, added the Window constructors, and rewrote the GTK+ Button constructor to use Requests.

redo/controls_unix.go

@@ -24,14 +24,20 @@ type button struct {
 	button	*C.GtkButton
 }
 
-func newButton(text string) Button {
+func newButton(text string) *Request {
+	c := make(chan interface{})
+	return &Request{
+		op:		func() {
 			ctext := togstr(text)
 			defer freegstr(ctext)
 			widget := C.gtk_button_new_with_label(ctext)
-	return &button{
+			c <- &button{
 				widget:	newWidget(widget),
 				button:	(*C.GtkButton)(unsafe.Pointer(widget)),
 			}
+		},
+		resp:		c,
+	}
 }
 
 // TODO OnClicked

redo/window.go

@@ -31,3 +31,16 @@ type Window interface {
 	// TODO SetSize (TODO remove?)
 	// TODO Center
 }
+
+// NewWindow returns a Request to create a new Window with the given title text and size.
+func NewWindow(title string, width int, height int) *Request {
+	return newWindow(title, width, height)
+}
+
+// GetNewWindow is like NewWindow but sends the Request along the given Doer and returns the resultant Window.
+// Example:
+// 	w := ui.GetNewWindow(ui.Do, "Main Window")
+func GetNewWindow(c Doer, title string, width int, height int) Window {
+	c <- newWindow(title, width, height)
+	return (<-c.resp).(Window)
+}

redo/window_unix.go

@@ -0,0 +1,110 @@
+// 7 july 2014
+
+package ui
+
+import (
+	"unsafe"
+)
+
+// #include "gtk_unix.h"
+import "C"
+
+type window struct {
+	widget	*C.GtkWidget
+	container	*C.GtkContainer
+	bin		*C.GtkBin
+	window	*C.GtkWindow
+}
+
+func newWindow(title string, width int, height int) *Request {
+	c := make(chan interface{})
+	return &Request{
+		op:		func() {
+			widget := C.gtk_window_new(C.GTK_WINDOW_TOPLEVEL)
+			ctext := togstr(text)
+			defer freegstr(ctext)
+			w := &window{
+				widget:		widget,
+				container:		(*C.GtkContainer)(unsafe.Pointer(widget)),
+				bin:			(*C.GtkBin)(unsafe.Pointer(widget)),
+				window:		(*C.GtkWindow)(unsafe.Pointer(widget)),
+			}
+			C.gtk_window_set_title(w.window, ctext)
+			// TODO size
+			// TODO content
+			c <-  w
+		},
+		resp:		c,
+	}
+}
+
+func (w *window) SetControl(c Control) *Request {
+	c := make(chan interface{})
+	return &Request{
+		op:		func() {
+			// TODO unparent
+			// TODO reparent
+			c <- struct{}{}
+		},
+		done:	c,
+	}
+}
+
+func (w *window) Title() *Request {
+	c := make(chan interface{})
+	return &Request{
+		op:		func() {
+			c <- fromgstr(C.gtk_window_get_title(w.window))
+		},
+		resp:		c,
+	}
+}
+
+func (w *window) SetTitle(title string) *Request {
+	c := make(chan interface{})
+	return &Request{
+		op:		func() {
+			ctext := togstr(text)
+			defer freegstr(ctext)
+			C.gtk_window_set_title(w.window, ctext)
+			c <- struct{}{}
+		},
+		resp:		c,
+	}
+}
+
+
+func (w *window) Show() *Request {
+	c := make(chan interface{})
+	return &Request{
+		op:		func() {
+			C.gtk_widget_show_all(w.widget)
+			c <- struct{}{}
+		},
+		resp:		c,
+	}
+}
+
+func (w *window) Hide() *Request {
+	c := make(chan interface{})
+	return &Request{
+		op:		func() {
+			C.gtk_widget_hide(w.widget)
+			c <- struct{}{}
+		},
+		resp:		c,
+	}
+}
+
+func (w *window) Close() *Request {
+	c := make(chan interface{})
+	return &Request{
+		op:		func() {
+			C.gtk_widget_destroy(w.widget)
+			c <- struct{}{}
+		},
+		resp:		c,
+	}
+}
+
+// TODO OnClosing