static void graph_setup_title (GogGraph *graph, const gchar *title) { GogLabel *label; GOData *data; GOStyle *style; PangoFontDescription *desc; label = g_object_new(GOG_TYPE_LABEL, NULL); data = go_data_scalar_str_new(title, FALSE); gog_dataset_set_dim(GOG_DATASET(label), 0, data, NULL); gog_object_add_by_name(GOG_OBJECT(graph), "Title", GOG_OBJECT(label)); style = go_styled_object_get_style(GO_STYLED_OBJECT(label)); desc = pango_font_description_from_string("Sans bold 16"); go_style_set_font_desc(style, desc); }
static void gogo_dim_end (GsfXMLIn *xin, G_GNUC_UNUSED GsfXMLBlob *unknown) { GogXMLReadState *state = (GogXMLReadState *)xin->user_state; if (NULL == state->obj) return; g_return_if_fail (GOG_IS_DATASET (state->obj)); if (NULL != state->dimension) { if (go_data_unserialize (state->dimension, xin->content->str, state->user_unserialize)) gog_dataset_set_dim (GOG_DATASET (state->obj), state->dimension_id, state->dimension, NULL); else g_object_unref (state->dimension); state->dimension = NULL; } }
static GogPlot * setup_page (GtkNotebook *notebook, const gchar *service_id) { GtkWidget *child, *w; GogChart *chart; GogGraph *graph; GogLabel *label; GogPlot *plot; GOData *data; GOStyle *style; PangoFontDescription *desc; child = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); gtk_notebook_append_page (notebook, child, gtk_label_new (service_id)); /* Create a graph widget and add it to the GtkVBox */ w = go_graph_widget_new (NULL); gtk_box_pack_end (GTK_BOX (child), w, TRUE, TRUE, 0); /* Get the embedded graph */ graph = go_graph_widget_get_graph (GO_GRAPH_WIDGET (w)); /* Add a title */ label = (GogLabel *) g_object_new (GOG_TYPE_LABEL, NULL); data = go_data_scalar_str_new (service_id, FALSE); gog_dataset_set_dim (GOG_DATASET (label), 0, data, NULL); gog_object_add_by_name (GOG_OBJECT (graph), "Title", GOG_OBJECT (label)); /* Change the title font */ style = go_styled_object_get_style (GO_STYLED_OBJECT (label)); desc = pango_font_description_from_string ("Sans bold 16"); go_style_set_font_desc (style, desc); /* Get the chart created by the widget initialization */ chart = go_graph_widget_get_chart (GO_GRAPH_WIDGET (w)); /* Create a plot and add it to the chart */ plot = (GogPlot *) gog_plot_new_by_name (service_id); gog_object_add_by_name (GOG_OBJECT (chart), "Plot", GOG_OBJECT (plot)); /* Add a legend to the chart */ gog_object_add_by_name (GOG_OBJECT (chart), "Legend", NULL); return plot; }
int main (int argc, char *argv[]) { GtkWidget *window, *box, *w; GogChart *chart; GogGraph *graph; GogLabel *label; GogPlot *pie; GogSeries *series; GOStyle *style; GOData *data; GError *error; PangoFontDescription *desc; char const *title = "Some statistics"; char const * const legends[] = {"first", "second", "third", "fourth"}; double values[] = {10., 20., 30., 40.}; gtk_init (&argc, &argv); /* Initialize libgoffice */ libgoffice_init (); /* Initialize plugins manager */ go_plugins_init (NULL, NULL, NULL, NULL, TRUE, GO_TYPE_PLUGIN_LOADER_MODULE); window = gtk_window_new (GTK_WINDOW_TOPLEVEL); gtk_window_resize (GTK_WINDOW (window), 300, 340); gtk_window_set_title (GTK_WINDOW (window), "pie demo"); g_signal_connect (window, "destroy", gtk_main_quit, NULL); box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); w = gtk_button_new_from_stock (GTK_STOCK_QUIT); g_signal_connect_swapped (w, "clicked", G_CALLBACK (on_quit), window); gtk_box_pack_end (GTK_BOX (box), w, FALSE, FALSE, 0); w = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL); gtk_box_pack_end (GTK_BOX (box), w, FALSE, FALSE, 2); /* Create a graph widget and add it to the GtkVBox */ w = go_graph_widget_new (NULL); gtk_box_pack_end (GTK_BOX (box), w, TRUE, TRUE, 0); /* Get the embedded graph */ graph = go_graph_widget_get_graph (GO_GRAPH_WIDGET (w)); /* Add a title */ label = (GogLabel *) g_object_new (GOG_TYPE_LABEL, NULL); data = go_data_scalar_str_new (title, FALSE); gog_dataset_set_dim (GOG_DATASET (label), 0, data, NULL); gog_object_add_by_name (GOG_OBJECT (graph), "Title", GOG_OBJECT (label)); /* Change the title font */ style = go_styled_object_get_style (GO_STYLED_OBJECT (label)); desc = pango_font_description_from_string ("Sans bold 16"); go_style_set_font_desc (style, desc); /* Get the chart created by the widget initialization */ chart = go_graph_widget_get_chart (GO_GRAPH_WIDGET (w)); /* Create a pie plot and add it to the chart */ pie = (GogPlot *) gog_plot_new_by_name ("GogPiePlot"); gog_object_add_by_name (GOG_OBJECT (chart), "Plot", GOG_OBJECT (pie)); /* Create a series for the plot and populate it with some simple data */ series = gog_plot_new_series (pie); data = go_data_vector_str_new (legends, 4, NULL); gog_series_set_dim (series, 0, data, &error); data = go_data_vector_val_new (values, 4, NULL); gog_series_set_dim (series, 1, data, &error); /* Add a legend to the chart */ gog_object_add_by_name (GOG_OBJECT (chart), "Legend", NULL); gtk_container_add (GTK_CONTAINER (window), box); gtk_widget_show_all (GTK_WIDGET (window)); w = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL); gtk_box_pack_start (GTK_BOX (box), w, FALSE, FALSE, 0); gtk_main (); /* Clean libgoffice stuff */ libgoffice_shutdown (); return 0; }