| Top |
| void | gwy_data_view_layer_set_parent () |
| GtkWidget * | gwy_data_view_layer_get_parent () |
| void | gwy_data_view_layer_updated () |
| void | gwy_data_view_layer_realize () |
| void | gwy_data_view_layer_unrealize () |
GObject
╰── GInitiallyUnowned
╰── GwyDataViewLayer
├── GwyVectorLayer
╰── GwyPixmapLayer
GwyDataViewLayer's are parts of GwyDataView. They are not widgets and they are not normally usable outside of a data view. The perform a specific visualization task: drawing the data, drawing mask, or drawing selection.
void gwy_data_view_layer_set_parent (GwyDataViewLayer *layer,GtkWidget *parent);
Sets or unsets the parent widget of a data view layer.
layer |
A data view layer. |
|
parent |
Parent widget, currently restricted to GwyDataView, or |
GtkWidget *
gwy_data_view_layer_get_parent (GwyDataViewLayer *layer);
Gets the parent widget of a data view layer.
void
gwy_data_view_layer_updated (GwyDataViewLayer *layer);
Emits a "updated" singal on a layer.
typedef struct _GwyDataViewLayerClassPrivate GwyDataViewLayerClassPrivate;
struct GwyDataViewLayerClass {
GInitiallyUnownedClass parent_class;
GwyDataViewLayerClassPrivate *priv;
/* Signals */
void (*plugged)(GwyDataViewLayer *layer);
void (*unplugged)(GwyDataViewLayer *layer);
void (*updated)(GwyDataViewLayer *layer);
void (*reserved1)(void);
void (*reserved2)(void);
void (*reserved3)(void);
};
“plugged” signalvoid user_function (GwyDataViewLayer *gwydataviewlayer, gpointer user_data)
The ::plugged signal is emitted when a GwyDataViewLayer is plugged into a GwyDataView.
gwydataviewlayer |
The GwyDataViewLayer which received the signal. |
|
user_data |
user data set when the signal handler was connected. |
Flags: Run First
“unplugged” signalvoid user_function (GwyDataViewLayer *gwydataviewlayer, gpointer user_data)
The ::unplugged signal is emitted when a GwyDataViewLayer is removed from its GwyDataView.
gwydataviewlayer |
The GwyDataViewLayer which received the signal. |
|
user_data |
user data set when the signal handler was connected. |
Flags: Run First
“updated” signalvoid user_function (GwyDataViewLayer *gwydataviewlayer, gpointer user_data)
The ::updated signal is emitted when a GwyDataViewLayer is updated; the exact means how a layer can be updated depends its type.
gwydataviewlayer |
The GwyDataViewLayer which received the signal. |
|
user_data |
user data set when the signal handler was connected. |
Flags: Run First
GwyDataView -- data display widget,
gwypixfield --low level functions for painting data fields,