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// +build !darwin
// 7 july 2014
package ui
import (
"unsafe"
)
// #include "gtk_unix.h"
// extern gboolean windowClosing(GtkWidget *, GdkEvent *, gpointer);
import "C"
type window struct {
widget *C.GtkWidget
container *C.GtkContainer
bin *C.GtkBin
window *C.GtkWindow
closing *event
}
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)
ctitle := togstr(title)
defer freegstr(ctitle)
w := &window{
widget: widget,
container: (*C.GtkContainer)(unsafe.Pointer(widget)),
bin: (*C.GtkBin)(unsafe.Pointer(widget)),
window: (*C.GtkWindow)(unsafe.Pointer(widget)),
closing: newEvent(),
}
C.gtk_window_set_title(w.window, ctitle)
g_signal_connect(
C.gpointer(unsafe.Pointer(w.window)),
"delete-event",
C.GCallback(C.windowClosing),
C.gpointer(unsafe.Pointer(w)))
// TODO size
// TODO content
c <- w
},
resp: c,
}
}
func (w *window) SetControl(control Control) *Request {
c := make(chan interface{})
return &Request{
op: func() {
// TODO unparent
// TODO reparent
c <- struct{}{}
},
resp: 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() {
ctitle := togstr(title)
defer freegstr(ctitle)
C.gtk_window_set_title(w.window, ctitle)
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,
}
}
func (w *window) OnClosing(e func(c Doer) bool) *Request {
c := make(chan interface{})
return &Request{
op: func() {
w.closing.setbool(e)
c <- struct{}{}
},
resp: c,
}
}
//export windowClosing
func windowClosing(wid *C.GtkWidget, e *C.GdkEvent, data C.gpointer) C.gboolean {
w := (*window)(unsafe.Pointer(data))
close := w.closing.fire()
if close {
return C.GDK_EVENT_PROPAGATE // will do gtk_widget_destroy(), which is what we want (thanks ebassi in irc.gimp.net/#gtk+)
}
return C.GDK_EVENT_STOP // keeps window alive
}
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