1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
// 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
}
|
