// +build !windows,!darwin // 7 july 2014 package ui import ( "unsafe" ) // #include "gtk_unix.h" // extern void buttonClicked(GtkButton *, gpointer); import "C" type button struct { *controlSingleWidget button *C.GtkButton clicked *event } // shared code for setting up buttons, check boxes, etc. func newButton(text string) *button { ctext := togstr(text) defer freegstr(ctext) widget := C.gtk_button_new_with_label(ctext) b := &button{ controlSingleWidget: newControlSingleWidget(widget), button: (*C.GtkButton)(unsafe.Pointer(widget)), clicked: newEvent(), } g_signal_connect( C.gpointer(unsafe.Pointer(b.button)), "clicked", C.GCallback(C.buttonClicked), C.gpointer(unsafe.Pointer(b))) return b } func (b *button) OnClicked(e func()) { b.clicked.set(e) } func (b *button) Text() string { return fromgstr(C.gtk_button_get_label(b.button)) } func (b *button) SetText(text string) { ctext := togstr(text) defer freegstr(ctext) C.gtk_button_set_label(b.button, ctext) } //export buttonClicked func buttonClicked(bwid *C.GtkButton, data C.gpointer) { b := (*button)(unsafe.Pointer(data)) b.clicked.fire() }