1 files changed, 71 insertions, 0 deletions
diff --git a/redo/containerctrls_unix.go b/redo/containerctrls_unix.go
new file mode 100644
index 0000000..36118fe
--- /dev/null
+++ b/redo/containerctrls_unix.go
@@ -0,0 +1,71 @@
+// +build !windows,!darwin
+
+// 25 july 2014
+
+package ui
+
+import (
+	"unsafe"
+)
+
+// #include "gtk_unix.h"
+// extern void layoutResizing(GtkWidget *, GdkRectangle *, gpointer);
+import "C"
+
+type tab struct {
+	*widgetbase
+	notebook		*C.GtkNotebook
+
+	containers	[]*container
+	layoutws		[]*C.GtkWidget
+	layoutcs		[]*C.GtkContainer
+	layouts		[]*C.GtkLayout
+}
+
+func newTab() Tab {
+	widget := C.gtk_notebook_new()
+	t := &tab{
+		widgetbase:	newWidget(widget),
+		notebook:		(*C.GtkNotebook)(unsafe.Pointer(widget)),
+	}
+	// there are no scrolling arrows by default; add them in case there are too many tabs
+	C.gtk_notebook_set_scrollable(t.notebook, C.TRUE)
+	return t
+}
+
+func (t *tab) Append(name string, control Control) {
+	// TODO isolate and standardize
+	layout := C.gtk_layout_new(nil, nil)
+	t.layoutws = append(t.layoutws, layout)
+	t.layoutcs = append(t.layoutcs, (*C.GtkContainer)(unsafe.Pointer(layout)))
+	t.layouts = append(t.layouts, (*C.GtkLayout)(unsafe.Pointer(layout)))
+	c := new(container)
+	t.containers = append(t.containers, c)
+	c.child = control
+	c.child.setParent(&controlParent{(*C.GtkContainer)(unsafe.Pointer(layout))})
+	g_signal_connect_after(
+		C.gpointer(unsafe.Pointer(layout)),
+		"size-allocate",
+		C.GCallback(C.layoutResizing),
+		C.gpointer(unsafe.Pointer(c)))
+	cname := togstr(name)
+	defer freegstr(cname)
+	tab := C.gtk_notebook_append_page(t.notebook,
+		layout,
+		C.gtk_label_new(cname))
+	if tab == -1 {
+		panic("gtk_notebook_append_page() failed")
+	}
+}
+
+func (t *tab) allocate(x int, y int, width int, height int, d *sizing) []*allocation {
+	// only prepared the tabbed control; its children will be reallocated when that one is resized
+	return t.widgetbase.allocate(x, y, width, height, d)
+}
+
+//export layoutResizing
+func layoutResizing(wid *C.GtkWidget, r *C.GdkRectangle, data C.gpointer) {
+	c := (*container)(unsafe.Pointer(data))
+	// the layout's coordinate system is localized, so the origin is (0, 0)
+	c.resize(0, 0, int(r.width), int(r.height))
+}