diff --git a/area_unix.go b/area_unix.go index a119e51..f5df5b4 100644 --- a/area_unix.go +++ b/area_unix.go @@ -7,6 +7,7 @@ package ui import ( "unsafe" "image" +"fmt" ) // #cgo pkg-config: gtk+-3.0 @@ -15,6 +16,8 @@ import ( // extern gboolean our_area_button_press_event_callback(GtkWidget *, GdkEvent *, gpointer); // extern gboolean our_area_button_release_event_callback(GtkWidget *, GdkEvent *, gpointer); // extern gboolean our_area_motion_notify_event_callback(GtkWidget *, GdkEvent *, gpointer); +// extern gboolean our_area_key_press_event_callback(GtkWidget *, GdkEvent *, gpointer); +// extern gboolean our_area_key_release_event_callback(GtkWidget *, GdkEvent *, gpointer); // /* HACK - see https://code.google.com/p/go/issues/detail?id=7548 */ // struct _cairo {}; import "C" @@ -25,6 +28,8 @@ func gtkAreaNew() *gtkWidget { // we need to explicitly subscribe to mouse events with GtkDrawingArea C.gtk_widget_add_events(drawingarea, C.GDK_BUTTON_PRESS_MASK | C.GDK_BUTTON_RELEASE_MASK | C.GDK_POINTER_MOTION_MASK | C.GDK_BUTTON_MOTION_MASK) + // and we need to allow focusing on a GtkDrawingArea to enable keyboard events + C.gtk_widget_set_can_focus(drawingarea, C.TRUE) scrollarea := C.gtk_scrolled_window_new((*C.GtkAdjustment)(nil), (*C.GtkAdjustment)(nil)) // need a viewport because GtkDrawingArea isn't natively scrollable C.gtk_scrolled_window_add_with_viewport((*C.GtkScrolledWindow)(unsafe.Pointer(scrollarea)), drawingarea) @@ -151,3 +156,21 @@ func our_area_motion_notify_event_callback(widget *C.GtkWidget, event *C.GdkEven } var area_motion_notify_event_callback = C.GCallback(C.our_area_motion_notify_event_callback) + +//export our_area_key_press_event_callback +func our_area_key_press_event_callback(widget *C.GtkWidget, event *C.GdkEvent, data C.gpointer) C.gboolean { + e := (*C.GdkEventKey)(unsafe.Pointer(event)) + fmt.Printf("PRESS %#v\n", e) + return C.FALSE // TODO really false? +} + +var area_key_press_event_callback = C.GCallback(C.our_area_key_press_event_callback) + +//export our_area_key_release_event_callback +func our_area_key_release_event_callback(widget *C.GtkWidget, event *C.GdkEvent, data C.gpointer) C.gboolean { + e := (*C.GdkEventKey)(unsafe.Pointer(event)) + fmt.Printf("RELEASE %#v\n", e) + return C.FALSE // TODO really false? +} + +var area_key_release_event_callback = C.GCallback(C.our_area_key_release_event_callback) diff --git a/sysdata_unix.go b/sysdata_unix.go index 61e8e2e..306d962 100644 --- a/sysdata_unix.go +++ b/sysdata_unix.go @@ -102,6 +102,8 @@ var classTypes = [nctypes]*classData{ "button-press-event": area_button_press_event_callback, "button-release-event": area_button_release_event_callback, "motion-notify-event": area_motion_notify_event_callback, + "key-press-event": area_key_press_event_callback, + "key-release-event": area_key_release_event_callback, }, }, }