static void
gtk_databox_marker_real_create_gc (GtkDataboxGraph *graph,
GtkDataboxCanvas *canvas)
{
GtkDataboxMarker *marker = GTK_DATABOX_MARKER (graph);
GdkGCValues values;
g_return_if_fail (GTK_DATABOX_IS_MARKER (graph));
GTK_DATABOX_GRAPH_CLASS (parent_class)->create_gc (graph, canvas);
if (marker->priv->type == GTK_DATABOX_MARKER_DASHED_LINE)
{
values.line_style = GDK_LINE_ON_OFF_DASH;
values.cap_style = GDK_CAP_BUTT;
values.join_style = GDK_JOIN_MITER;
gdk_gc_set_values (graph->gc, &values,
GDK_GC_LINE_STYLE |
GDK_GC_CAP_STYLE |
GDK_GC_JOIN_STYLE);
}
if (marker->priv->label_gc)
g_object_unref (marker->priv->label_gc);
marker->priv->label_gc = gdk_gc_new (canvas->pixmap);
gdk_gc_copy(marker->priv->label_gc, graph->gc);
gdk_gc_set_line_attributes (marker->priv->label_gc, 1,
GDK_LINE_SOLID,
GDK_CAP_ROUND,
GDK_JOIN_ROUND);
}
static void
gtk_databox_marker_class_init (gpointer g_class,
gpointer g_class_data)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (g_class);
GtkDataboxGraphClass *graph_class = GTK_DATABOX_GRAPH_CLASS (g_class);
GtkDataboxMarkerClass *klass = GTK_DATABOX_MARKER_CLASS (g_class);
GParamSpec *marker_param_spec;
parent_class = g_type_class_peek_parent (klass);
gobject_class->set_property = gtk_databox_marker_set_property;
gobject_class->get_property = gtk_databox_marker_get_property;
gobject_class->finalize = marker_finalize;
marker_param_spec = g_param_spec_int ("marker-type",
"Type of marker",
"Type of marker for this graph, e.g. triangles or lines",
G_MININT,
G_MAXINT,
0, /* default value */
G_PARAM_CONSTRUCT |
G_PARAM_READWRITE);
g_object_class_install_property (gobject_class,
PROP_TYPE,
marker_param_spec);
graph_class->draw = gtk_databox_marker_real_draw;
graph_class->create_gc = gtk_databox_marker_real_create_gc;
}
static void
gtk_databox_bars_class_init (GtkDataboxBarsClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkDataboxGraphClass *graph_class = GTK_DATABOX_GRAPH_CLASS (klass);
gobject_class->finalize = bars_finalize;
graph_class->draw = gtk_databox_bars_real_draw;
g_type_class_add_private(klass, sizeof(GtkDataboxBarsPrivate));
}
static void
gtk_databox_bars_class_init (gpointer g_class,
gpointer g_class_data)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (g_class);
GtkDataboxGraphClass *graph_class = GTK_DATABOX_GRAPH_CLASS (g_class);
GtkDataboxBarsClass *klass = GTK_DATABOX_BARS_CLASS (g_class);
parent_class = g_type_class_peek_parent (klass);
gobject_class->finalize = bars_finalize;
graph_class->draw = gtk_databox_bars_real_draw;
}
static cairo_t*
gtk_databox_grid_real_create_gc (GtkDataboxGraph * graph,
GtkDatabox* box)
{
cairo_t *cr;
static const double grid_dash = 5.0;
g_return_val_if_fail (GTK_DATABOX_IS_GRID (graph), NULL);
cr = GTK_DATABOX_GRAPH_CLASS (gtk_databox_grid_parent_class)->create_gc (graph, box);
if (cr)
cairo_set_dash(cr, &grid_dash, 1, 0.0);
return cr;
}
static void
gtk_databox_xyc_graph_class_init (gpointer g_class
/*, gpointer g_class_data */ )
{
GObjectClass *gobject_class = G_OBJECT_CLASS (g_class);
GtkDataboxGraphClass *graph_class = GTK_DATABOX_GRAPH_CLASS (g_class);
GtkDataboxXYCGraphClass *klass = GTK_DATABOX_XYC_GRAPH_CLASS (g_class);
GParamSpec *xyc_graph_param_spec;
parent_class = g_type_class_peek_parent (klass);
gobject_class->set_property = gtk_databox_xyc_graph_set_property;
gobject_class->get_property = gtk_databox_xyc_graph_get_property;
gobject_class->finalize = xyc_graph_finalize;
xyc_graph_param_spec = g_param_spec_pointer ("X-Values",
"X coordinates",
"X values of data",
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_READWRITE);
g_object_class_install_property (gobject_class,
PROP_X, xyc_graph_param_spec);
xyc_graph_param_spec = g_param_spec_pointer ("Y-Values",
"Y coordinates",
"Y values of data",
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_READWRITE);
g_object_class_install_property (gobject_class,
PROP_Y, xyc_graph_param_spec);
xyc_graph_param_spec = g_param_spec_int ("length", "length of X and Y", "number of data points", G_MININT, G_MAXINT, 0, /* default value */
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_READWRITE);
g_object_class_install_property (gobject_class,
PROP_LEN, xyc_graph_param_spec);
graph_class->calculate_extrema =
gtk_databox_xyc_graph_real_calculate_extrema;
}
static void
gtk_databox_grid_class_init (GtkDataboxGridClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkDataboxGraphClass *graph_class = GTK_DATABOX_GRAPH_CLASS (klass);
GParamSpec *grid_param_spec;
gobject_class->set_property = gtk_databox_grid_set_property;
gobject_class->get_property = gtk_databox_grid_get_property;
gobject_class->finalize = grid_finalize;
grid_param_spec = g_param_spec_int ("grid-hlines", "grid-hlines", "Number of horizontal lines", G_MININT, G_MAXINT, 0, /* default value */
G_PARAM_READWRITE);
g_object_class_install_property (gobject_class,
GRID_HLINES, grid_param_spec);
grid_param_spec = g_param_spec_int ("grid-vlines", "grid-vlines", "Number of vertical lines", G_MININT, G_MAXINT, 0, /* default value */
G_PARAM_READWRITE);
g_object_class_install_property (gobject_class,
GRID_VLINES, grid_param_spec);
grid_param_spec = g_param_spec_pointer ("grid-hline-vals", "Grid Hline Vals", "The locations of each of the horizontal lines", G_PARAM_READWRITE);
g_object_class_install_property (gobject_class,
GRID_HLINE_VALS, grid_param_spec);
grid_param_spec = g_param_spec_pointer ("grid-vline-vals", "Grid Vline Vals", "The locations of each of the vertical lines", G_PARAM_READWRITE);
g_object_class_install_property (gobject_class,
GRID_VLINE_VALS, grid_param_spec);
graph_class->draw = gtk_databox_grid_real_draw;
graph_class->create_gc = gtk_databox_grid_real_create_gc;
g_type_class_add_private (klass, sizeof (GtkDataboxGridPrivate));
}