diff options
Diffstat (limited to 'shell/loadgraph.c')
| -rw-r--r-- | shell/loadgraph.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/shell/loadgraph.c b/shell/loadgraph.c index ceb91720..0290d1f1 100644 --- a/shell/loadgraph.c +++ b/shell/loadgraph.c @@ -6,7 +6,7 @@ * - fixes autoscaling * - add color * - * Copyright (C) 2006 Leandro A. F. Pereira <leandro@hardinfo.org> + * Copyright (C) 2006 L. A. F. Pereira <l@tia.mat.br> * * The Simple Load Graph is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -43,6 +43,7 @@ struct _LoadGraph { PangoLayout *layout; gchar *suffix; + gchar *title; }; static void _draw(LoadGraph * lg); @@ -56,6 +57,7 @@ LoadGraph *load_graph_new(gint size) size++; lg->suffix = g_strdup(""); + lg->title = g_strdup(""); lg->area = gtk_drawing_area_new(); lg->size = (size * 3) / 2; lg->data = g_new0(gint, lg->size); @@ -87,6 +89,18 @@ gchar *load_graph_get_data_suffix(LoadGraph * lg) return lg->suffix; } +void load_graph_set_title(LoadGraph * lg, const gchar * title) +{ + g_free(lg->title); + lg->title = g_strdup(title); +} + +const gchar *load_graph_get_title(LoadGraph *lg) +{ + if (lg != NULL) return lg->title; + return NULL; +} + GtkWidget *load_graph_get_framed(LoadGraph * lg) { GtkWidget *align, *frame; @@ -115,6 +129,8 @@ void load_graph_clear(LoadGraph * lg) lg->max_value = 1; lg->remax_count = 0; + load_graph_set_title(lg, ""); + _draw(lg); } @@ -179,6 +195,18 @@ void load_graph_configure_expose(LoadGraph * lg) (GCallback) _expose, lg); } +static void _draw_title(LoadGraph * lg, const char* title) { + gchar *tmp = g_strdup_printf("<span size=\"x-small\">%s</span>", title); + pango_layout_set_markup(lg->layout, tmp, -1); + int width = 0; + int height = 0; + pango_layout_get_pixel_size(lg->layout, &width, &height); + gint position = (lg->width / 2) - (width / 2); + gdk_draw_layout(GDK_DRAWABLE(lg->buf), lg->trace, position, 2, + lg->layout); + g_free(tmp); +} + static void _draw_label_and_line(LoadGraph * lg, gint position, gint value) { gchar *tmp; @@ -242,6 +270,9 @@ static void _draw(LoadGraph * lg) _draw_label_and_line(lg, lg->height / 2, lg->max_value / 2); _draw_label_and_line(lg, 3 * (lg->height / 4), lg->max_value / 4); + /* graph title */ + _draw_title(lg, lg->title); + gtk_widget_queue_draw(lg->area); } |