func CheckVersion(major, minor, micro uint) error {
errChar := C.gtk_check_version(C.guint(major), C.guint(minor), C.guint(micro))
if errChar == nil {
return nil
}
return errors.New(C.GoString((*C.char)(errChar)))
}
// const gchar* gtk_check_version (guint required_major,
// guint required_minor,
// guint required_micro);
func CheckVersion(required_major, required_minor,
required_micro uint32) string {
ret := C.gtk_check_version(C.guint(required_major),
C.guint(required_minor),
C.guint(required_micro))
if ret == nil {
return ""
}
s := C.GoString((*C.char)(ret))
return s
}
// TrackJoints attempts to find the joints of a human given the depth
// information, width, and height. The depth data should be in millimeters.
// The width and height values are the width and height of the depth buffer.
// Only joints present in the returned map were detected. Keep in mind that
// the default dimension reduction value is 16, so TrackJoints expects the
// depth data to have been shrunk to a 16th of it's original size.
func (skeleton *Skeleton) TrackJoints(depth []uint16, width, height int) (map[JointID]Joint, error) {
if len(depth) != width*height {
return make(map[JointID]Joint), errors.New("width and height values do not match depth buffer size")
}
var err *C.GError
sliceHeader := *(*reflect.SliceHeader)(unsafe.Pointer(&depth))
list := C.skeltrack_skeleton_track_joints_sync(skeleton.skeleton,
(*C.guint16)(unsafe.Pointer(sliceHeader.Data)), C.guint(width), C.guint(height), nil, &err)
if err != nil {
return make(map[JointID]Joint), errors.New(C.GoString((*C.char)(err.message)))
}
joints := make(map[JointID]Joint)
if list == nil {
return joints, nil
}
head := C.skeltrack_joint_list_get_joint(list, C.SKELTRACK_JOINT_ID_HEAD)
if head != nil {
joints[JointHead] = Joint{head}
}
leftShoulder := C.skeltrack_joint_list_get_joint(list, C.SKELTRACK_JOINT_ID_LEFT_SHOULDER)
if leftShoulder != nil {
joints[JointLeftShoulder] = Joint{leftShoulder}
}
rightShoulder := C.skeltrack_joint_list_get_joint(list, C.SKELTRACK_JOINT_ID_RIGHT_SHOULDER)
if rightShoulder != nil {
joints[JointRightShoulder] = Joint{rightShoulder}
}
leftElbow := C.skeltrack_joint_list_get_joint(list, C.SKELTRACK_JOINT_ID_LEFT_ELBOW)
if leftElbow != nil {
joints[JointLeftElbow] = Joint{leftElbow}
}
rightElbow := C.skeltrack_joint_list_get_joint(list, C.SKELTRACK_JOINT_ID_RIGHT_ELBOW)
if rightElbow != nil {
joints[JointRightElbow] = Joint{rightElbow}
}
leftHand := C.skeltrack_joint_list_get_joint(list, C.SKELTRACK_JOINT_ID_LEFT_HAND)
if leftHand != nil {
joints[JointLeftHand] = Joint{leftHand}
}
rightHand := C.skeltrack_joint_list_get_joint(list, C.SKELTRACK_JOINT_ID_RIGHT_HAND)
if rightHand != nil {
joints[JointRightHand] = Joint{rightHand}
}
return joints, nil
}
// SimpleGoMarshal
// Our true callback which gets called
// for all connected signals.
// It emits unique id of closure to queue manager.
//export simple_go_marshal
func simple_go_marshal(closure unsafe.Pointer,
returnValue unsafe.Pointer,
n_param_values C.guint,
paramValues unsafe.Pointer,
invocationHint unsafe.Pointer,
marshalData unsafe.Pointer) {
c := (*C.GClosure)(closure)
id := uint64(*((*C.guint64)(c.data)))
argslice := make([]interface{}, int(n_param_values))
array := C.g_array_from_GValues(paramValues, n_param_values)
for i := 0; i < int(n_param_values); i++ {
v := C.get_index(array, C.guint(i))
gv := GValue{0, &v}
gv.ReInitializeType()
t, e := ConvertToGo(gv.GetPtr(), gv.GetTypeID())
if e == nil {
argslice[i] = t
} else {
argslice = nil
}
}
emitedSignals <- Signal{id, argslice}
<-doneMarshal
C.free_array(array)
}
// GetWindowByID is a wrapper around gtk_application_get_window_by_id().
func (v *Application) GetWindowByID(id uint) *Window {
c := C.gtk_application_get_window_by_id(v.native(), C.guint(id))
if c == nil {
return nil
}
return wrapWindow(wrapObject(unsafe.Pointer(c)))
}
func (v List) NthData(n uint) interface{} {
p := C.g_list_nth_data(v.GList, C.guint(n))
if p == nil {
return nil
}
return unsafe.Pointer(p)
}
func (db *MDB) TableIndexes(tableDef *MDBTableDef) ([]MDBIndex, error) {
var idx *C.MdbIndex
indexes := make([]MDBIndex, tableDef.table.num_idxs)
for i := 0; i < int(tableDef.table.num_idxs); i++ {
idx = C._go_ptr_idx(tableDef.table.indices, C.guint(i))
mdbindex := MDBIndex{
int(idx.index_num),
C.GoString(&idx.name[0]),
int(idx.index_type),
int(idx.num_rows),
int(idx.num_keys),
int(idx.flags),
make([]int, int(idx.num_keys)),
make([]int, int(idx.num_keys)),
}
for j := 0; j < mdbindex.keys; j++ {
mdbindex.keyColNum[j] = int(idx.key_col_num[j])
mdbindex.keyColOrder[j] = int(idx.key_col_order[j])
}
indexes[i] = mdbindex
}
return indexes, nil
}
func (sql *MDBSQL) RunQuery(query string) ([]map[string]string, error) {
var col *C.MdbSQLColumn
querybuf := C.CString(query)
defer C.free(unsafe.Pointer(querybuf))
C.mdb_sql_run_query(sql.sql, (*C.gchar)(querybuf))
if sql.HasError() {
return nil, fmt.Errorf("mdbsql: query error: %s", sql.GetError())
}
ret := make([]map[string]string, 0)
rowCount := 0
for C.mdb_fetch_row(sql.sql.cur_table) == 1 {
rowCount++
row := make(map[string]string)
for i := 0; i < int(sql.sql.num_columns); i++ {
col = C._go_ptr_sqlcol(sql.sql.columns, C.guint(i))
row[C.GoString(col.name)] = C.GoString((*C.char)(sql.sql.bound_values[i]))
}
ret = append(ret, row)
}
C.mdb_sql_reset(sql.sql)
return ret, nil
}
func gListboxSelMultiTexts(widget *C.GtkWidget) (texts []string) {
var model *C.GtkTreeModel
var iter C.GtkTreeIter
var gs *C.gchar
tv := getTreeViewFrom(widget)
sel := C.gtk_tree_view_get_selection(tv)
rows := C.gtk_tree_selection_get_selected_rows(sel, &model)
defer C.g_list_free_full(rows, C.GDestroyNotify(unsafe.Pointer(C.gtk_tree_path_free)))
len := C.g_list_length(rows)
if len == 0 {
return nil
}
texts = make([]string, len)
for i := C.guint(0); i < len; i++ {
path := (*C.GtkTreePath)(unsafe.Pointer(rows.data))
if C.gtk_tree_model_get_iter(model, &iter, path) == C.FALSE {
panic("gtk_tree_model_get_iter() failed getting Listbox selected texts; reason unknown")
}
C.gtkTreeModelGet(model, &iter, &gs)
texts[i] = fromgstr(gs)
rows = rows.next
}
return texts
}
func KeyvalConvertCase(v uint) (lower, upper uint) {
var l, u C.guint
l = 0
u = 0
C.gdk_keyval_convert_case(C.guint(v), &l, &u)
return uint(l), uint(u)
}
func (self *Box) SetChildPacking(w WidgetLike, expand bool, fill bool, padding int, ptype GtkPackType) {
e := gobject.GBool(expand)
f := gobject.GBool(fill)
defer e.Free()
defer f.Free()
C.gtk_box_set_child_packing(self.object, w.W().object, *((*C.gboolean)(e.GetPtr())), *((*C.gboolean)(f.GetPtr())),
C.guint(padding), C.GtkPackType(ptype))
}
/*
Creates a new instance of a #GObject subtype and sets its properties.
Construction parameters (see #G_PARAM_CONSTRUCT, #G_PARAM_CONSTRUCT_ONLY)
which are not explicitly specified are set to their default values.
*/
func ObjectNewv(object_type C.GType, n_parameters uint, parameters *C.GParameter) (return__ *Object) {
var __cgo__return__ interface{}
__cgo__return__ = C.g_object_newv(object_type, C.guint(n_parameters), parameters)
if __cgo__return__ != nil {
return__ = NewObjectFromCPointer(unsafe.Pointer(reflect.ValueOf(__cgo__return__).Pointer()))
}
return
}
/*
Obtains the upper- and lower-case versions of the keyval @symbol.
Examples of keyvals are #GDK_KEY_a, #GDK_KEY_Enter, #GDK_KEY_F1, etc.
*/
func KeyvalConvertCase(symbol uint) (lower uint, upper uint) {
var __cgo__lower C.guint
var __cgo__upper C.guint
C.gdk_keyval_convert_case(C.guint(symbol), &__cgo__lower, &__cgo__upper)
lower = uint(__cgo__lower)
upper = uint(__cgo__upper)
return
}
func TimeoutAdd(interval uint, f interface{}, datas ...interface{}) {
var data interface{}
if len(datas) > 0 {
data = datas[0]
}
ctx := &SourcefuncContext{f, nil, reflect.ValueOf(data)}
ctx.sfi = unsafe.Pointer(C._g_timeout_add(C.guint(interval), C.int(len(sourcefunc_contexts))))
sourcefunc_contexts = append(sourcefunc_contexts, ctx)
}
func TimeoutAdd(interval uint, f interface{}, datas ...interface{}) {
var data interface{}
if len(datas) > 0 {
data = datas[0]
}
ctx := &SourcefuncContext{reflect.ValueOf(f), reflect.ValueOf(data)}
id := sourcefunc_contexts.Add(ctx)
C._g_timeout_add(C.guint(interval), C.int(id))
}
// guchar * gdk_pixbuf_get_pixels_with_length (const GdkPixbuf *pixbuf, guint *length);
//
// Retuns a slice of byte backed by a C array of pixbuf data.
func (p *Pixbuf) GetPixelsWithLength() []byte {
panic_if_version_older(2, 26, 0, "gdk_pixbuf_get_pixels_with_length()")
length := C.guint(0)
ptr := C._gdk_pixbuf_get_pixels_with_length(
p.GPixbuf,
&length,
)
return (*[1 << 30]byte)(unsafe.Pointer(ptr))[:length]
}
// PopupAtPointer() is a wrapper for gtk_menu_popup_at_pointer(), on older versions it uses PopupAtMouseCursor
func (v *Menu) PopupAtPointer(_ *gdk.Event) {
C.gtk_menu_popup(v.native(),
nil,
nil,
nil,
nil,
C.guint(0),
C.gtk_get_current_event_time())
}
func (v *GObject) Set(name string, value interface{}) {
ptr := C.CString(name)
defer C.free_string(ptr)
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:
bval := gbool(value.(bool))
C._g_object_set_addr(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(&bval))
case byte:
bval := C.gchar(value.(byte))
C._g_object_set_addr(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(&bval))
//C._g_object_set(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(reflect.ValueOf(C.gchar(value.(byte))).UnsafeAddr()))
case int:
ival := C.int(value.(int))
C._g_object_set_addr(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(&ival))
case uint:
uval := C.guint(value.(uint))
C._g_object_set_addr(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(&uval))
//C._g_object_set(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(reflect.ValueOf(C.guint(value.(uint))).UnsafeAddr()))
case float32:
f32val := C.gfloat(value.(float32))
C._g_object_set_addr(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(&f32val))
//C._g_object_set(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(reflect.ValueOf(C.gfloat(value.(float64))).UnsafeAddr()))
case float64:
f64val := C.gfloat(value.(float64))
C._g_object_set_addr(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(&f64val))
//C._g_object_set(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(reflect.ValueOf(C.gfloat(value.(float64))).UnsafeAddr()))
case string:
pval := C.CString(value.(string))
defer C.free_string(pval)
C._g_object_set_addr(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(&pval))
default:
if pv, ok := value.(*[0]uint8); ok {
C._g_object_set_ptr(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(pv))
} else {
av := reflect.ValueOf(value)
if av.Kind() == reflect.Ptr {
C._g_object_set_ptr(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(av.Pointer()))
} else if av.CanAddr() {
C._g_object_set_addr(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(av.UnsafeAddr()))
} else {
C._g_object_set_addr(C.gpointer(v.Object), C.to_gcharptr(ptr), unsafe.Pointer(&value))
}
}
}
}
// AcceleratorParse is a wrapper around gtk_accelerator_parse().
func AcceleratorParse(acc string) (key uint, mods gdk.ModifierType) {
cstr := C.CString(acc)
defer C.free(unsafe.Pointer(cstr))
k := C.guint(0)
m := C.GdkModifierType(0)
C.gtk_accelerator_parse((*C.gchar)(cstr), &k, &m)
return uint(k), gdk.ModifierType(m)
}
func (db *MDB) TableOpen(tableName string) (*MDBTableDef, error) {
var entry *C.MdbCatalogEntry
var col *C.MdbColumn
tableDef := &MDBTableDef{}
rv := C.mdb_read_catalog(db.mdb, C.MDB_TABLE)
if rv == nil {
return nil, errors.New("mdb: error reading table catalog")
}
for i := 0; i < int(db.mdb.num_catalog); i++ {
entry = C._go_ptr_catalog(db.mdb.catalog, C.guint(i))
name := C.GoString(&entry.object_name[0])
if name == tableName {
tableDef.table = C.mdb_read_table(entry)
if tableDef.table == nil {
return nil, errors.New("mdb: error reading table")
}
tableDef.num_cols = int(tableDef.table.num_cols)
C.mdb_read_columns(tableDef.table)
C.mdb_read_indices(tableDef.table)
C.mdb_rewind_table(tableDef.table)
tableDef.column_names = make([]string, tableDef.num_cols)
tableDef.bound_values = make([][]byte, tableDef.num_cols)
tableDef.bound_lengths = make([]int, tableDef.num_cols)
for j := 0; j < tableDef.num_cols; j++ {
col = C._go_ptr_col(tableDef.table.columns, C.guint(j))
colName := C.GoString(&col.name[0])
tableDef.column_names[j] = colName
tableDef.bound_values[j] = make([]byte, C.MDB_BIND_SIZE)
C.mdb_bind_column(tableDef.table, C.int(j+1), unsafe.Pointer(&tableDef.bound_values[j][0]), (*C.int)(unsafe.Pointer(&tableDef.bound_lengths[j])))
}
}
}
return tableDef, nil
}
// Connect is a wrapper around gtk_accel_group_connect().
func (v *AccelGroup) Connect(key uint, mods gdk.ModifierType, flags AccelFlags, f interface{}) {
closure, _ := glib.ClosureNew(f)
cl := (*C.struct__GClosure)(unsafe.Pointer(closure))
C.gtk_accel_group_connect(
v.native(),
C.guint(key),
C.GdkModifierType(mods),
C.GtkAccelFlags(flags),
cl)
}
func (b *Box) PackEnd(child *Widget, expand, fill bool, padding uint) {
var e, f C.gboolean
if expand {
e = 1
}
if fill {
f = 1
}
C.gtk_box_pack_end(b.g(), child.g(), e, f, C.guint(padding))
}
func (o *Object) EmitById(sid SignalId, detail Quark, args ...interface{}) interface{} {
var sq C.GSignalQuery
C.g_signal_query(C.guint(sid), &sq)
if len(args) != int(sq.n_params) {
panic(fmt.Sprintf(
"*Object.EmitById "+
"Number of input parameters #%d doesn't match signal spec #%d",
len(args), int(sq.n_params),
))
}
prms := make([]Value, len(args)+1)
prms[0] = *ValueOf(o)
for i, a := range args {
prms[i+1] = *ValueOf(a)
}
ret := new(Value)
C._signal_emit(prms[0].g(), C.guint(sid), C.GQuark(detail), ret.g())
return ret.Get()
}
func sliceFromGValueArray(a *C.GValueArray) GValueArray {
n := uint(a.n_values)
s := make(GValueArray, n)
for i := uint(0); i < n; i++ {
cv := C.g_value_array_get_nth(a, C.guint(i))
v, _ := glib.ValueFromNative(unsafe.Pointer(cv)).GoValue()
s[i] = v
}
return s
}
// 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 (v *AccelKey) native() *C.struct__GtkAccelKey {
if v == nil {
return nil
}
var val C.struct__GtkAccelKey
val.accel_key = C.guint(v.key)
val.accel_mods = C.GdkModifierType(v.mods)
val.accel_flags = v.flags
return &val
}
// AddAccelerator is a wrapper around gtk_widget_add_accelerator().
func (v *Widget) AddAccelerator(signal string, group *AccelGroup, key uint, mods gdk.ModifierType, flags AccelFlags) {
csignal := (*C.gchar)(C.CString(signal))
defer C.free(unsafe.Pointer(csignal))
C.gtk_widget_add_accelerator(v.native(),
csignal,
group.native(),
C.guint(key),
C.GdkModifierType(mods),
C.GtkAccelFlags(flags))
}
func (self *GList) NthData(n uint) interface{} {
data := C.g_list_nth_data(self.object, C.guint(n))
if data == nil {
return nil
}
if self.ConversionFunc != nil {
return self.ConversionFunc(unsafe.Pointer(data))
}
return data
}
func (self *GSList) FreeFull() {
if self.DestroyFunc == nil {
return
}
var numElements int = int(self.Length())
for i := 0; i < numElements; i++ {
el := C.g_slist_nth_data(self.object, C.guint(i))
self.DestroyFunc(unsafe.Pointer(el))
}
self.Free()
}
func (v *Structure) fromGstStructure(s *C.GstStructure) {
v.Name = C.GoString((*C.char)(C.gst_structure_get_name(s)))
n := uint(C.gst_structure_n_fields(s))
v.Data = make(map[string]interface{})
for i := uint(0); i < n; i++ {
fn := C.gst_structure_nth_field_name(s, C.guint(i))
fv := glib.ValueFromNative(unsafe.Pointer(C.gst_structure_id_get_value(s, C.g_quark_from_string(fn))))
val, _ := fv.GoValue()
v.Data[C.GoString((*C.char)(fn))] = val
}
return
}
