Beispiel #1
0
func toWindow(s *C.GdkWindow) (*Window, error) {
	if s == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(s))}
	return &Window{obj}, nil
}
Beispiel #2
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func toScreen(s *C.GdkScreen) (*Screen, error) {
	if s == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(s))}
	return &Screen{obj}, nil
}
Beispiel #3
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func toDisplay(s *C.GdkDisplay) (*Display, error) {
	if s == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(s))}
	return &Display{obj}, nil
}
Beispiel #4
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//export goBuilderConnect
func goBuilderConnect(builder *C.GtkBuilder,
	object *C.GObject,
	signal_name *C.gchar,
	handler_name *C.gchar,
	connect_object *C.GObject,
	flags C.GConnectFlags,
	user_data C.gpointer) {

	builderSignals.Lock()
	signals, ok := builderSignals.m[builder]
	builderSignals.Unlock()

	if !ok {
		panic("no signal mapping defined for this GtkBuilder")
	}

	h := C.GoString((*C.char)(handler_name))
	s := C.GoString((*C.char)(signal_name))

	handler, ok := signals[h]
	if !ok {
		return
	}

	if object == nil {
		panic("unexpected nil object from builder")
	}

	//TODO: figure out a better way to get a glib.Object from a *C.GObject
	gobj := glib.Object{glib.ToGObject(unsafe.Pointer(object))}
	gobj.Connect(s, handler)
}
Beispiel #5
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// PixbufCopy is a wrapper around gdk_pixbuf_copy().
func PixbufCopy(v *Pixbuf) (*Pixbuf, error) {
	c := C.gdk_pixbuf_copy(v.native())
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	p := &Pixbuf{obj}
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return p, nil
}
Beispiel #6
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// PixbufLoaderNew() is a wrapper around gdk_pixbuf_loader_new().
func PixbufLoaderNew() (*PixbufLoader, error) {
	c := C.gdk_pixbuf_loader_new()
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	p := &PixbufLoader{obj}
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return p, nil
}
Beispiel #7
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// Flip is a wrapper around gdk_pixbuf_flip().
func (v *Pixbuf) Flip(horizontal bool) (*Pixbuf, error) {
	c := C.gdk_pixbuf_flip(v.native(), gbool(horizontal))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	p := &Pixbuf{obj}
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return p, nil
}
Beispiel #8
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// GetDisplay() is a wrapper around gdk_device_manager_get_display().
func (v *DeviceManager) GetDisplay() (*Display, error) {
	c := C.gdk_device_manager_get_display(v.native())
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	obj.Ref()
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return &Display{obj}, nil
}
Beispiel #9
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// ApplyEmbeddedOrientation is a wrapper around gdk_pixbuf_apply_embedded_orientation().
func (v *Pixbuf) ApplyEmbeddedOrientation() (*Pixbuf, error) {
	c := C.gdk_pixbuf_apply_embedded_orientation(v.native())
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	p := &Pixbuf{obj}
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return p, nil
}
Beispiel #10
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// RotateSimple is a wrapper around gdk_pixbuf_rotate_simple().
func (v *Pixbuf) RotateSimple(angle PixbufRotation) (*Pixbuf, error) {
	c := C.gdk_pixbuf_rotate_simple(v.native(), C.GdkPixbufRotation(angle))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	p := &Pixbuf{obj}
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return p, nil
}
Beispiel #11
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// GetDefaultGroup() is a wrapper around gdk_display_get_default_group().
func (v *Display) GetDefaultGroup() (*Window, error) {
	c := C.gdk_display_get_default_group(v.native())
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	w := &Window{obj}
	obj.Ref()
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return w, nil
}
Beispiel #12
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// GetDefaultScreen() is a wrapper around gdk_display_get_default_screen().
func (v *Display) GetDefaultScreen() (*Screen, error) {
	c := C.gdk_display_get_default_screen(v.native())
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	s := &Screen{obj}
	obj.Ref()
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return s, nil
}
Beispiel #13
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// DisplayGetDefault() is a wrapper around gdk_display_get_default().
func DisplayGetDefault() (*Display, error) {
	c := C.gdk_display_get_default()
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	d := &Display{obj}
	obj.Ref()
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return d, nil
}
Beispiel #14
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// GetSystemVisual is a wrapper around gdk_screen_get_system_visual().
func (v *Screen) GetSystemVisual() (*Visual, error) {
	c := C.gdk_screen_get_system_visual(v.native())
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	visual := &Visual{obj}
	obj.Ref()
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return visual, nil
}
Beispiel #15
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// PixbufNew is a wrapper around gdk_pixbuf_new().
func PixbufNew(colorspace Colorspace, hasAlpha bool, bitsPerSample, width, height int) (*Pixbuf, error) {
	c := C.gdk_pixbuf_new(C.GdkColorspace(colorspace), gbool(hasAlpha),
		C.int(bitsPerSample), C.int(width), C.int(height))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	p := &Pixbuf{obj}
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return p, nil
}
Beispiel #16
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// GetPixbuf is a wrapper around gdk_pixbuf_loader_get_pixbuf().
func (v *PixbufLoader) GetPixbuf() (*Pixbuf, error) {
	c := C.gdk_pixbuf_loader_get_pixbuf(v.native())
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	p := &Pixbuf{obj}
	obj.Ref()
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return p, nil
}
Beispiel #17
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// ScaleSimple is a wrapper around gdk_pixbuf_scale_simple().
func (v *Pixbuf) ScaleSimple(destWidth, destHeight int, interpType InterpType) (*Pixbuf, error) {
	c := C.gdk_pixbuf_scale_simple(v.native(), C.int(destWidth),
		C.int(destHeight), C.GdkInterpType(interpType))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	p := &Pixbuf{obj}
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return p, nil
}
Beispiel #18
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// DisplayOpen() is a wrapper around gdk_display_open().
func DisplayOpen(displayName string) (*Display, error) {
	cstr := C.CString(displayName)
	defer C.free(unsafe.Pointer(cstr))
	c := C.gdk_display_open((*C.gchar)(cstr))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	d := &Display{obj}
	obj.Ref()
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return d, nil
}
Beispiel #19
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// ListDevices() is a wrapper around gdk_device_manager_list_devices().
func (v *DeviceManager) ListDevices(tp DeviceType) *glib.List {
	clist := C.gdk_device_manager_list_devices(v.native(), C.GdkDeviceType(tp))
	if clist == nil {
		return nil
	}
	glist := glib.WrapList(uintptr(unsafe.Pointer(clist)))
	glist.DataWrapper(func(ptr unsafe.Pointer) interface{} {
		return &Device{&glib.Object{glib.ToGObject(ptr)}}
	})
	runtime.SetFinalizer(glist, func(glist *glib.List) {
		glist.Free()
	})
	return glist
}
Beispiel #20
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// PixbufNewFromFile is a wrapper around gdk_pixbuf_new_from_file().
func PixbufNewFromFile(filename string) (*Pixbuf, error) {
	cstr := C.CString(filename)
	defer C.free(unsafe.Pointer(cstr))
	var err *C.GError
	res := C.gdk_pixbuf_new_from_file((*C.char)(cstr), &err)
	if res == nil {
		defer C.g_error_free(err)
		return nil, errors.New(C.GoString((*C.char)(err.message)))
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(res))}
	p := &Pixbuf{obj}
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return p, nil
}
Beispiel #21
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// PixbufNewFromFileAtSize is a wrapper around gdk_pixbuf_new_from_file_at_size().
func PixbufNewFromFileAtSize(filename string, width, height int) (*Pixbuf, error) {
	cstr := C.CString(filename)
	defer C.free(unsafe.Pointer(cstr))
	var err *C.GError = nil
	res := C.gdk_pixbuf_new_from_file_at_size(cstr, C.int(width), C.int(height), &err)
	if err != nil {
		defer C.g_error_free(err)
		return nil, errors.New(C.GoString((*C.char)(err.message)))
	}
	if res == nil {
		return nil, nilPtrErr
	}
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(res))}
	p := &Pixbuf{obj}
	runtime.SetFinalizer(obj, (*glib.Object).Unref)
	return p, nil
}
Beispiel #22
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func marshalDragContext(p uintptr) (interface{}, error) {
	c := C.g_value_get_object((*C.GValue)(unsafe.Pointer(p)))
	obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
	return &DragContext{obj}, nil
}