// LevelBarNewForInterval() is a wrapper around gtk_level_bar_new_for_interval().
func LevelBarNewForInterval(min_value, max_value float64) (*LevelBar, error) {
c := C.gtk_level_bar_new_for_interval(C.gdouble(min_value), C.gdouble(max_value))
if c == nil {
return nil, nilPtrErr
}
return wrapLevelBar(wrapObject(unsafe.Pointer(c))), nil
}
func (self RGBA) ToNative() unsafe.Pointer {
crgba := C._new_rgba()
crgba.red = C.gdouble(self.Red)
crgba.green = C.gdouble(self.Green)
crgba.blue = C.gdouble(self.Blue)
crgba.alpha = C.gdouble(self.Alpha)
return unsafe.Pointer(crgba)
}
//-----------------------------------------------------------------------
// GValue
//-----------------------------------------------------------------------
func GValueFromNative(value interface{}) *C.GValue {
var gv *C.GValue
if _, ok := value.(WrappedObject); ok {
value = value.(WrappedObject).GetInternalValue()
}
if _, ok := value.(GObject); ok {
value = value.(GObject).Object
}
if _, ok := value.(GValue); ok {
value = value.(GValue).Value
}
switch value.(type) {
case bool:
gv = C.init_gvalue_bool(gbool(value.(bool)))
break
case byte:
gv = C.init_gvalue_byte(C.guchar(value.(byte)))
break
case int:
gv = C.init_gvalue_int(C.gint(value.(int)))
break
case uint:
gv = C.init_gvalue_uint(C.guint(value.(uint)))
break
case int64:
gv = C.init_gvalue_int64(C.gint64(value.(int64)))
break
case float32:
gv = C.init_gvalue_double(C.gdouble(value.(float32)))
break
case float64:
gv = C.init_gvalue_double(C.gdouble(value.(float64)))
break
case string:
{
pval := C.CString(value.(string))
defer C.free_string(pval)
gv = C.init_gvalue_string(C.to_gcharptr(pval))
}
break
default:
//gv = C.init_gvalue_pointer(C.gpointer(unsafe.Pointer(&value)));
break
}
return gv
}
func NewRGBA(values ...float64) *RGBA {
c := &RGBA{}
if len(values) > 0 {
c.RGBA.red = C.gdouble(values[0])
}
if len(values) > 1 {
c.RGBA.green = C.gdouble(values[1])
}
if len(values) > 2 {
c.RGBA.blue = C.gdouble(values[2])
}
if len(values) > 3 {
c.RGBA.alpha = C.gdouble(values[3])
}
return c
}
func NewRGBA(values ...float64) *RGBA {
cval := C.GdkRGBA{}
c := &RGBA{&cval}
if len(values) > 0 {
c.rgba.red = C.gdouble(values[0])
}
if len(values) > 1 {
c.rgba.green = C.gdouble(values[1])
}
if len(values) > 2 {
c.rgba.blue = C.gdouble(values[2])
}
if len(values) > 3 {
c.rgba.alpha = C.gdouble(values[3])
}
return c
}
func cListDouble(value []float64) *C.gdouble {
var clist *C.gdouble
clist = (*C.gdouble)(C.malloc(C.size_t(int(unsafe.Sizeof(*clist)) * len(value))))
for i, e := range value {
(*(*[999999]C.gdouble)(unsafe.Pointer(clist)))[i] = C.gdouble(e)
}
return clist
}
func newSpinbox(min int, max int) Spinbox {
// gtk_spin_button_new_with_range() initially sets its value to the minimum value
widget := C.gtk_spin_button_new_with_range(C.gdouble(min), C.gdouble(max), 1)
s := &spinbox{
controlSingleWidget: newControlSingleWidget(widget),
spinbutton: (*C.GtkSpinButton)(unsafe.Pointer(widget)),
changed: newEvent(),
}
C.gtk_spin_button_set_digits(s.spinbutton, 0) // integers
C.gtk_spin_button_set_numeric(s.spinbutton, C.TRUE) // digits only
// this isn't specifically documented as the signal to connect to until 3.14
// it has existed as far back as 3.4, though, if not earlier
// there's also ::change-value which is for keyboard changing
g_signal_connect(
C.gpointer(unsafe.Pointer(s.spinbutton)),
"value-changed",
C.GCallback(C.spinboxChanged),
C.gpointer(unsafe.Pointer(s)))
return s
}
// Seek() is a wrapper around gst_element_seek().
func (v *Element) Seek(rate float64, format Format, flags SeekFlags, startType SeekType, start int64, stopType SeekType, stop int64) bool {
c := C.gst_element_seek(v.native(),
C.gdouble(rate),
C.GstFormat(format),
C.GstSeekFlags(flags),
C.GstSeekType(startType),
C.gint64(start),
C.GstSeekType(stopType),
C.gint64(stop))
return gobool(c)
}
// Set value to i
func (v *Value) Set(i interface{}) {
if vg, ok := i.(ValueGetter); ok {
vg.Value().Copy(v)
return
}
// Other types
r := reflect.ValueOf(i)
switch r.Kind() {
case reflect.Invalid:
C.g_value_reset(v.g())
case reflect.Bool:
C.g_value_set_boolean(v.g(), gBoolean(r.Bool()))
case reflect.Int:
C.g_value_set_long(v.g(), C.glong(i.(int)))
case reflect.Int8:
C.g_value_set_schar(v.g(), C.gint8(i.(int8)))
case reflect.Int32:
C.g_value_set_int(v.g(), C.gint(i.(int32)))
case reflect.Int64:
C.g_value_set_int64(v.g(), C.gint64(i.(int64)))
case reflect.Uint:
C.g_value_set_ulong(v.g(), C.gulong(i.(uint)))
case reflect.Uint8:
C.g_value_set_uchar(v.g(), C.guchar(i.(uint8)))
case reflect.Uint32:
C.g_value_set_uint(v.g(), C.guint(i.(uint32)))
case reflect.Uint64:
C.g_value_set_uint64(v.g(), C.guint64(i.(uint64)))
case reflect.Float32:
C.g_value_set_float(v.g(), C.gfloat(i.(float32)))
case reflect.Float64:
C.g_value_set_double(v.g(), C.gdouble(i.(float64)))
case reflect.Ptr:
C.g_value_set_pointer(v.g(), C.gpointer(r.Pointer()))
case reflect.String:
C.g_value_set_static_string(v.g(), (*C.gchar)(C.CString(r.String())))
default:
panic("Can't represent Go value in Glib type system.")
}
}
func (s *spinbox) SetValue(value int) {
var min, max C.gdouble
C.gtk_spin_button_get_range(s.spinbutton, &min, &max)
if value < int(min) {
value = int(min)
}
if value > int(max) {
value = int(max)
}
C.gtk_spin_button_set_value(s.spinbutton, C.gdouble(value))
}
// Set is a generic wrapper around g_key_file_set_xxx() with type assertion.
func (kf *KeyFile) Set(group string, key string, uncasted interface{}) error {
cGroup := (*C.gchar)(C.CString(group))
defer C.g_free(C.gpointer(cGroup))
cKey := (*C.gchar)(C.CString(key))
defer C.g_free(C.gpointer(cKey))
switch value := uncasted.(type) {
case bool:
C.g_key_file_set_boolean(kf.cKey, cGroup, cKey, cBool(value))
case int:
C.g_key_file_set_integer(kf.cKey, cGroup, cKey, C.gint(value))
case float64:
C.g_key_file_set_double(kf.cKey, cGroup, cKey, C.gdouble(value))
case string:
cstr := (*C.gchar)(C.CString(value))
defer C.g_free(C.gpointer(cstr))
C.g_key_file_set_string(kf.cKey, cGroup, cKey, cstr)
case []bool:
clist := cListBool(value)
defer C.g_free(C.gpointer(clist))
C.g_key_file_set_boolean_list(kf.cKey, cGroup, cKey, clist, C.gsize(len(value)))
case []int:
clist := cListInt(value)
defer C.g_free(C.gpointer(clist))
C.g_key_file_set_integer_list(kf.cKey, cGroup, cKey, clist, C.gsize(len(value)))
case []float64:
clist := cListDouble(value)
defer C.g_free(C.gpointer(clist))
C.g_key_file_set_double_list(kf.cKey, cGroup, cKey, clist, C.gsize(len(value)))
case []string:
clist := cListString(value)
C.g_key_file_set_string_list(kf.cKey, cGroup, cKey, clist, C.gsize(len(value)))
for i := range value {
C.g_free(C.gpointer((*(*[999999]*C.gchar)(unsafe.Pointer(clist)))[i]))
}
C.g_free(C.gpointer(clist))
default:
return errors.New("type unknown")
}
return nil
}
func (self *Label) SetAngle(angle float64) {
C.gtk_label_set_angle(self.object, C.gdouble(angle))
}
func (o *dockIcon) SetY(f float64) { o.Ptr.fY = C.gdouble(f) }
// SetDouble is a wrapper around g_settings_set_double().
func (v *Settings) SetDouble(name string, value float64) bool {
cstr1 := (*C.gchar)(C.CString(name))
defer C.free(unsafe.Pointer(cstr1))
return gobool(C.g_settings_set_double(v.native(), cstr1, C.gdouble(value)))
}
func (p *progressbar) SetPercent(percent int) {
if percent < 0 || percent > 100 {
panic(fmt.Errorf("given ProgressBar percentage %d out of range", percent))
}
C.gtk_progress_bar_set_fraction(p.pbar, C.gdouble(percent)/100)
}
// SetAngle is a wrapper around gtk_label_set_angle().
func (v *Label) SetAngle(angle float64) {
C.gtk_label_set_angle(v.native(), C.gdouble(angle))
}
// SetResolution is a wrapper around gdk_screen_set_resolution().
func (v *Screen) SetResolution(r float64) {
C.gdk_screen_set_resolution(v.native(), C.gdouble(r))
}
// AddOffsetValue() is a wrapper around gtk_level_bar_add_offset_value().
func (v *LevelBar) AddOffsetValue(name string, value float64) {
cstr := C.CString(name)
defer C.free(unsafe.Pointer(cstr))
C.gtk_level_bar_add_offset_value(v.native(), (*C.gchar)(cstr), C.gdouble(value))
}
func (o *dockIcon) SetXAtRest(f float64) { o.Ptr.fXAtRest = C.gdouble(f) }
func FromLua(code string) map[string]unsafe.Pointer {
lua := lgo.NewLua()
bindings := make(map[string]unsafe.Pointer)
processActorArgs := func(actor *C.ClutterActor, args map[interface{}]interface{}) unsafe.Pointer {
pointer := unsafe.Pointer(actor)
var minFilter, magFilter *C.ClutterScalingFilter
var scaleX C.gdouble = 1.0
var scaleY C.gdouble = 1.0
var translationX, translationY, translationZ C.gfloat
for k, v := range args {
switch key := k.(type) {
case string:
switch key {
case "id":
bindings[v.(string)] = pointer
case "bgcolor", "background_color":
C.clutter_actor_set_background_color(actor, NewColorFromString(v.(string)))
case "clip_rect":
clip := (*C.ClutterRect)(v.(unsafe.Pointer))
C.clutter_actor_set_clip(actor,
C.gfloat(clip.origin.x),
C.gfloat(clip.origin.y),
C.gfloat(clip.size.width),
C.gfloat(clip.size.height))
case "content":
C.clutter_actor_set_content(actor, (*C.ClutterContent)(v.(unsafe.Pointer)))
case "content_gravity":
switch v.(string) {
case "top-left":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_TOP_LEFT)
case "top":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_TOP)
case "top-right":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_TOP_RIGHT)
case "left":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_LEFT)
case "center":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_CENTER)
case "right":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_RIGHT)
case "bottom-left":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_BOTTOM_LEFT)
case "bottom":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_BOTTOM)
case "bottom-right":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_BOTTOM_RIGHT)
case "resize-fill":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_RESIZE_FILL)
case "resize-aspect":
C.clutter_actor_set_content_gravity(actor, C.CLUTTER_CONTENT_GRAVITY_RESIZE_ASPECT)
default:
log.Fatalf("unknown content gravity: %s", v.(string))
}
case "content_repeat":
switch v.(string) {
case "none":
C.clutter_actor_set_content_repeat(actor, C.CLUTTER_REPEAT_NONE)
case "x", "x-axis":
C.clutter_actor_set_content_repeat(actor, C.CLUTTER_REPEAT_X_AXIS)
case "y", "y-axis":
C.clutter_actor_set_content_repeat(actor, C.CLUTTER_REPEAT_Y_AXIS)
case "both":
C.clutter_actor_set_content_repeat(actor, C.CLUTTER_REPEAT_BOTH)
default:
log.Fatalf("unknown content repeat: %s", v.(string))
}
case "x", "fixed_x":
C.clutter_actor_set_x(actor, C.gfloat(v.(float64)))
case "y", "fixed_y":
C.clutter_actor_set_y(actor, C.gfloat(v.(float64)))
case "height":
C.clutter_actor_set_height(actor, C.gfloat(v.(float64)))
case "layout", "layout_manager":
C.clutter_actor_set_layout_manager(actor, (*C.ClutterLayoutManager)(v.(unsafe.Pointer)))
case "mag_filter", "magnification_filter":
magFilter = (*C.ClutterScalingFilter)(v.(unsafe.Pointer))
C.clutter_actor_set_content_scaling_filters(actor, *minFilter, *magFilter)
case "margin_bottom":
C.clutter_actor_set_margin_bottom(actor, C.gfloat(v.(float64)))
case "margin_left":
C.clutter_actor_set_margin_left(actor, C.gfloat(v.(float64)))
case "margin_right":
C.clutter_actor_set_margin_right(actor, C.gfloat(v.(float64)))
case "margin_top":
C.clutter_actor_set_margin_top(actor, C.gfloat(v.(float64)))
//TODO min height
//TODO min width
case "min_filter", "minification_filter":
minFilter = (*C.ClutterScalingFilter)(v.(unsafe.Pointer))
C.clutter_actor_set_content_scaling_filters(actor, *minFilter, *magFilter)
case "name":
C.clutter_actor_set_name(actor, toGStr(v.(string)))
//TODO natural height
//TODO natural width
case "offscreen_redirect":
switch v.(string) {
case "auto", "automatic-for-opacity":
C.clutter_actor_set_offscreen_redirect(actor, C.CLUTTER_OFFSCREEN_REDIRECT_AUTOMATIC_FOR_OPACITY)
case "always":
C.clutter_actor_set_offscreen_redirect(actor, C.CLUTTER_OFFSCREEN_REDIRECT_ALWAYS)
default:
log.Fatalf("unknown offscreen redirect option: %s", v.(string))
}
case "opacity":
C.clutter_actor_set_opacity(actor, C.guint8(uint8(v.(float64))))
case "pivot_point":
point := (*C.ClutterPoint)(v.(unsafe.Pointer))
C.clutter_actor_set_pivot_point(actor, C.gfloat(point.x), C.gfloat(point.y))
case "pivot_point_z":
C.clutter_actor_set_pivot_point_z(actor, C.gfloat(v.(float64)))
case "position":
point := (*C.ClutterPoint)(v.(unsafe.Pointer))
C.clutter_actor_set_position(actor, C.gfloat(point.x), C.gfloat(point.y))
case "reactive":
b := C.FALSE
if v.(bool) {
b = C.TRUE
}
C.clutter_actor_set_reactive(actor, C.gboolean(b))
case "request_mode":
switch v.(string) {
case "height", "height_for_width":
C.clutter_actor_set_request_mode(actor, C.CLUTTER_REQUEST_HEIGHT_FOR_WIDTH)
case "width", "width_for_height":
C.clutter_actor_set_request_mode(actor, C.CLUTTER_REQUEST_WIDTH_FOR_HEIGHT)
default:
log.Fatalf("unknown request mode: %s", v.(string))
}
case "rotation_angle_x":
C.clutter_actor_set_rotation_angle(actor, C.CLUTTER_X_AXIS, C.gdouble(v.(float64)))
case "rotation_angle_y":
C.clutter_actor_set_rotation_angle(actor, C.CLUTTER_Y_AXIS, C.gdouble(v.(float64)))
case "rotation_angle_z":
C.clutter_actor_set_rotation_angle(actor, C.CLUTTER_Z_AXIS, C.gdouble(v.(float64)))
case "scale_x":
scaleX = C.gdouble(v.(float64))
C.clutter_actor_set_scale(actor, scaleX, scaleY)
case "scale_y":
scaleY = C.gdouble(v.(float64))
C.clutter_actor_set_scale(actor, scaleX, scaleY)
case "scale_z":
C.clutter_actor_set_scale_z(actor, C.gdouble(v.(float64)))
case "size":
size := (*C.ClutterSize)(v.(unsafe.Pointer))
C.clutter_actor_set_size(actor, C.gfloat(size.width), C.gfloat(size.height))
case "text_direction", "text_dir":
switch v.(string) {
case "default":
C.clutter_actor_set_text_direction(actor, C.CLUTTER_TEXT_DIRECTION_DEFAULT)
case "left", "left-to-right", "ltr":
C.clutter_actor_set_text_direction(actor, C.CLUTTER_TEXT_DIRECTION_LTR)
case "right", "right-to-left", "rtl":
C.clutter_actor_set_text_direction(actor, C.CLUTTER_TEXT_DIRECTION_RTL)
default:
log.Fatalf("unknown text direction: %s", v.(string))
}
//TODO transform
case "translation_x":
translationX = C.gfloat(v.(float64))
C.clutter_actor_set_translation(actor, translationX, translationY, translationZ)
case "translation_y":
translationY = C.gfloat(v.(float64))
C.clutter_actor_set_translation(actor, translationX, translationY, translationZ)
case "translation_z":
translationZ = C.gfloat(v.(float64))
C.clutter_actor_set_translation(actor, translationX, translationY, translationZ)
case "visible":
if v.(bool) {
C.clutter_actor_show(actor)
} else {
C.clutter_actor_hide(actor)
}
case "width":
C.clutter_actor_set_width(actor, C.gfloat(v.(float64)))
case "x_align":
switch v.(string) {
case "fill":
C.clutter_actor_set_x_align(actor, C.CLUTTER_ACTOR_ALIGN_FILL)
case "start":
C.clutter_actor_set_x_align(actor, C.CLUTTER_ACTOR_ALIGN_START)
case "center":
C.clutter_actor_set_x_align(actor, C.CLUTTER_ACTOR_ALIGN_CENTER)
case "end":
C.clutter_actor_set_x_align(actor, C.CLUTTER_ACTOR_ALIGN_END)
default:
log.Fatalf("unknown x align: %s", v.(string))
}
case "x_expand":
b := C.FALSE
if v.(bool) {
b = C.TRUE
}
C.clutter_actor_set_x_expand(actor, C.gboolean(b))
case "y_align":
switch v.(string) {
case "fill":
C.clutter_actor_set_y_align(actor, C.CLUTTER_ACTOR_ALIGN_FILL)
case "start":
C.clutter_actor_set_y_align(actor, C.CLUTTER_ACTOR_ALIGN_START)
case "center":
C.clutter_actor_set_y_align(actor, C.CLUTTER_ACTOR_ALIGN_CENTER)
case "end":
C.clutter_actor_set_y_align(actor, C.CLUTTER_ACTOR_ALIGN_END)
default:
log.Fatalf("unknown y align: %s", v.(string))
}
case "y_expand":
b := C.FALSE
if v.(bool) {
b = C.TRUE
}
C.clutter_actor_set_y_expand(actor, C.gboolean(b))
case "z", "z_position":
C.clutter_actor_set_z_position(actor, C.gfloat(v.(float64)))
}
case float64:
switch value := v.(type) {
case unsafe.Pointer:
//TODO add tests
if IsActor(value) { // actor child
C.clutter_actor_add_child(actor, (*C.ClutterActor)(value))
} else if IsAction(value) { // action
C.clutter_actor_add_action(actor, (*C.ClutterAction)(value))
} else if IsConstraint(value) { // constraint
C.clutter_actor_add_constraint(actor, (*C.ClutterConstraint)(value))
} else if IsEffect(value) { // effect
C.clutter_actor_add_effect(actor, (*C.ClutterEffect)(value))
} else {
log.Fatalf("unknown subelement type")
}
}
}
}
return pointer
}
processBoxArgs := func(box *C.ClutterLayoutManager, args map[string]interface{}) {
//TODO
}
lua.RegisterFunctions(map[string]interface{}{
// actors
"Actor": func(args map[interface{}]interface{}) unsafe.Pointer {
actor := C.clutter_actor_new()
return processActorArgs(actor, args)
},
"Stage": func(args map[interface{}]interface{}) unsafe.Pointer {
window := C.gtk_window_new(C.GTK_WINDOW_TOPLEVEL)
embed := C.gtk_clutter_embed_new()
C.gtk_container_add((*C.GtkContainer)(unsafe.Pointer(window)), embed)
actor := C.gtk_clutter_embed_get_stage((*C.GtkClutterEmbed)(unsafe.Pointer(embed)))
C.clutter_actor_show(actor)
C.gtk_widget_show_all((*C.GtkWidget)(unsafe.Pointer(window)))
pointer := processActorArgs(actor, args)
stage := (*C.ClutterStage)(unsafe.Pointer(actor))
for k, v := range args {
//TODO other properties
switch key := k.(type) {
case string:
switch key {
case "title":
C.clutter_stage_set_title(stage, toGStr(v.(string)))
}
}
}
return pointer
},
"Text": func(args map[interface{}]interface{}) unsafe.Pointer {
actor := C.clutter_text_new()
pointer := processActorArgs(actor, args)
text := (*C.ClutterText)(unsafe.Pointer(actor))
for k, v := range args {
//TODO other properties
switch key := k.(type) {
case string:
switch key {
case "text":
C.clutter_text_set_text(text, toGStr(v.(string)))
case "use_markup":
b := C.FALSE
if v.(bool) {
b = C.TRUE
}
C.clutter_text_set_use_markup(text, C.gboolean(b))
case "markup":
C.clutter_text_set_markup(text, toGStr(v.(string)))
case "color":
C.clutter_text_set_color(text, NewColorFromString(v.(string)))
}
case float64:
}
}
return pointer
},
// data structures
"Point": func(args []float64) unsafe.Pointer {
var point C.ClutterPoint
point.x = C.float(args[0])
point.y = C.float(args[1])
return unsafe.Pointer(&point)
},
"Size": func(args []float64) unsafe.Pointer {
var size C.ClutterSize
size.width = C.float(args[0])
size.height = C.float(args[1])
return unsafe.Pointer(&size)
},
"Rect": func(args []float64) unsafe.Pointer {
var rect C.ClutterRect
var point C.ClutterPoint
var size C.ClutterSize
point.x = C.float(args[0])
point.y = C.float(args[1])
size.width = C.float(args[2])
size.height = C.float(args[3])
rect.origin = point
rect.size = size
return unsafe.Pointer(&rect)
},
// contents
"Image": func(args []string) unsafe.Pointer {
//TODO set data
image := C.clutter_image_new()
return unsafe.Pointer(image)
},
// layouts
"Box": func(args map[string]interface{}) unsafe.Pointer {
box := C.clutter_box_layout_new()
processBoxArgs(box, args)
return unsafe.Pointer(box)
},
"HBox": func(args map[string]interface{}) unsafe.Pointer {
box := C.clutter_box_layout_new()
C.clutter_box_layout_set_orientation((*C.ClutterBoxLayout)(unsafe.Pointer(box)), C.CLUTTER_ORIENTATION_HORIZONTAL)
processBoxArgs(box, args)
return unsafe.Pointer(box)
},
"VBox": func(args map[string]interface{}) unsafe.Pointer {
box := C.clutter_box_layout_new()
C.clutter_box_layout_set_orientation((*C.ClutterBoxLayout)(unsafe.Pointer(box)), C.CLUTTER_ORIENTATION_VERTICAL)
processBoxArgs(box, args)
return unsafe.Pointer(box)
},
// effects
"Blur": func(args map[string]interface{}) unsafe.Pointer {
effect := C.clutter_blur_effect_new()
return unsafe.Pointer(effect)
},
// constraints
"Align": func(args map[string]interface{}) unsafe.Pointer {
constraint := C.clutter_align_constraint_new(nil, C.CLUTTER_ALIGN_X_AXIS, 0)
align := (*C.ClutterAlignConstraint)(unsafe.Pointer(constraint))
for key, v := range args {
switch key {
case "source":
C.clutter_align_constraint_set_source(align, (*C.ClutterActor)(bindings[v.(string)]))
case "axis":
switch v.(string) {
case "x", "X":
C.clutter_align_constraint_set_align_axis(align, C.CLUTTER_ALIGN_X_AXIS)
case "y", "Y":
C.clutter_align_constraint_set_align_axis(align, C.CLUTTER_ALIGN_Y_AXIS)
case "both", "BOTH", "Both":
C.clutter_align_constraint_set_align_axis(align, C.CLUTTER_ALIGN_BOTH)
}
case "factor":
C.clutter_align_constraint_set_factor(align, C.gfloat(v.(float64)))
}
}
return unsafe.Pointer(constraint)
},
})
lua.RunString(code)
return bindings
}
// Set() is a wrapper around g_object_set(). However, unlike
// g_object_set(), this function only sets one name value pair. Make
// multiple calls to this function to set multiple properties.
func (v *Object) Set(name string, value interface{}) error {
cstr := C.CString(name)
defer C.free(unsafe.Pointer(cstr))
if _, ok := value.(Object); ok {
value = value.(Object).GObject
}
var p unsafe.Pointer = nil
switch value.(type) {
case bool:
c := gbool(value.(bool))
p = unsafe.Pointer(&c)
case int8:
c := C.gint8(value.(int8))
p = unsafe.Pointer(&c)
case int16:
c := C.gint16(value.(int16))
p = unsafe.Pointer(&c)
case int32:
c := C.gint32(value.(int32))
p = unsafe.Pointer(&c)
case int64:
c := C.gint64(value.(int64))
p = unsafe.Pointer(&c)
case int:
c := C.gint(value.(int))
p = unsafe.Pointer(&c)
case uint8:
c := C.guchar(value.(uint8))
p = unsafe.Pointer(&c)
case uint16:
c := C.guint16(value.(uint16))
p = unsafe.Pointer(&c)
case uint32:
c := C.guint32(value.(uint32))
p = unsafe.Pointer(&c)
case uint64:
c := C.guint64(value.(uint64))
p = unsafe.Pointer(&c)
case uint:
c := C.guint(value.(uint))
p = unsafe.Pointer(&c)
case uintptr:
p = unsafe.Pointer(C.gpointer(value.(uintptr)))
case float32:
c := C.gfloat(value.(float32))
p = unsafe.Pointer(&c)
case float64:
c := C.gdouble(value.(float64))
p = unsafe.Pointer(&c)
case string:
cstr := C.CString(value.(string))
defer C.free(unsafe.Pointer(cstr))
p = unsafe.Pointer(cstr)
default:
if pv, ok := value.(unsafe.Pointer); ok {
p = pv
} else {
// Constants with separate types are not type asserted
// above, so do a runtime check here instead.
val := reflect.ValueOf(value)
switch val.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16,
reflect.Int32, reflect.Int64:
c := C.int(val.Int())
p = unsafe.Pointer(&c)
case reflect.Uintptr:
p = unsafe.Pointer(C.gpointer(val.Pointer()))
}
}
}
// Can't call g_object_set() as it uses a variable arg list, use a
// wrapper instead
if p != nil {
C._g_object_set_one(C.gpointer(v.GObject), (*C.gchar)(cstr), p)
return nil
} else {
return errors.New("Unable to perform type conversion")
}
}
// ScrollToMark is a wrapper around gtk_text_view_scroll_to_mark().
func (v *TextView) ScrollToMark(mark *TextMark, within_margin float64, use_align bool, xalign, yalign float64) {
C.gtk_text_view_scroll_to_mark(v.native(), mark.native(), C.gdouble(within_margin), gbool(use_align), C.gdouble(xalign), C.gdouble(yalign))
}
/*
Creates a new cursor from a cairo image surface.
Not all GDK backends support RGBA cursors. If they are not
supported, a monochrome approximation will be displayed.
The functions gdk_display_supports_cursor_alpha() and
gdk_display_supports_cursor_color() can be used to determine
whether RGBA cursors are supported;
gdk_display_get_default_cursor_size() and
gdk_display_get_maximal_cursor_size() give information about
cursor sizes.
On the X backend, support for RGBA cursors requires a
sufficently new version of the X Render extension.
*/
func CursorNewFromSurface(display IsDisplay, surface *C.cairo_surface_t, x float64, y float64) (return__ *Cursor) {
var __cgo__return__ interface{}
__cgo__return__ = C.gdk_cursor_new_from_surface(display.GetDisplayPointer(), surface, C.gdouble(x), C.gdouble(y))
if __cgo__return__ != nil {
return__ = NewCursorFromCPointer(unsafe.Pointer(reflect.ValueOf(__cgo__return__).Pointer()))
}
return
}
func gtk_progress_bar_set_fraction(w *C.GtkWidget, percent int) {
p := C.gdouble(percent) / 100
C.gtk_progress_bar_set_fraction(togtkprogressbar(w), p)
}
// SetDouble is a wrapper around g_value_set_double().
func (v *Value) SetDouble(val float64) {
C.g_value_set_double(v.native(), C.gdouble(val))
}
func GlibDouble(d float64) C.gdouble {
return C.gdouble(d)
}
// pointerVal attempts to return an unsafe.Pointer for value.
// Not all types are understood, in which case a nil Pointer
// is returned.
func pointerVal(value interface{}) unsafe.Pointer {
var p unsafe.Pointer
switch v := value.(type) {
case bool:
c := gbool(v)
p = unsafe.Pointer(&c)
case int8:
c := C.gint8(v)
p = unsafe.Pointer(&c)
case int16:
c := C.gint16(v)
p = unsafe.Pointer(&c)
case int32:
c := C.gint32(v)
p = unsafe.Pointer(&c)
case int64:
c := C.gint64(v)
p = unsafe.Pointer(&c)
case int:
c := C.gint(v)
p = unsafe.Pointer(&c)
case uint8:
c := C.guchar(v)
p = unsafe.Pointer(&c)
case uint16:
c := C.guint16(v)
p = unsafe.Pointer(&c)
case uint32:
c := C.guint32(v)
p = unsafe.Pointer(&c)
case uint64:
c := C.guint64(v)
p = unsafe.Pointer(&c)
case uint:
c := C.guint(v)
p = unsafe.Pointer(&c)
case uintptr:
p = unsafe.Pointer(C.gpointer(v))
case float32:
c := C.gfloat(v)
p = unsafe.Pointer(&c)
case float64:
c := C.gdouble(v)
p = unsafe.Pointer(&c)
case string:
cstr := C.CString(v)
defer C.free(unsafe.Pointer(cstr))
p = unsafe.Pointer(cstr)
default:
if pv, ok := value.(unsafe.Pointer); ok {
p = pv
} else {
val := reflect.ValueOf(value)
switch val.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16,
reflect.Int32, reflect.Int64:
c := C.int(val.Int())
p = unsafe.Pointer(&c)
case reflect.Uintptr, reflect.Ptr, reflect.UnsafePointer:
p = unsafe.Pointer(C.gpointer(val.Pointer()))
}
}
}
return p
}
// SetValue() is a wrapper around gtk_level_bar_set_value().
func (v *LevelBar) SetValue(value float64) {
C.gtk_level_bar_set_value(v.native(), C.gdouble(value))
}
func NotificationSetHintDouble(notif *NotifyNotification, key string, value float64) {
pkey := C.CString(key)
defer C.free(unsafe.Pointer(pkey))
C.notify_notification_set_hint_double(notif._notification, pkey, C.gdouble(value))
}
// ScrollToIter is a wrapper around gtk_text_view_scroll_to_iter().
func (v *TextView) ScrollToIter(iter *TextIter, within_margin float64, use_align bool, xalign, yalign float64) bool {
return gobool(C.gtk_text_view_scroll_to_iter(v.native(), iter.native(), C.gdouble(within_margin), gbool(use_align), C.gdouble(xalign), C.gdouble(yalign)))
}