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gtk-demo: Make fishbowl info text use bindings

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It's a good demo for how bindings can format multiple properties into an
informative string with 1 line of code (and 5 lines of XML).
This commit is contained in:
Benjamin Otte 2019-11-25 07:28:19 +01:00 committed by Matthias Clasen
parent d1b2ded7e2
commit d3dc9c41b4
3 changed files with 14 additions and 33 deletions
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8
demos/gtk-demo/fishbowl.c
View File

@ -249,6 +249,14 @@ fishbowl_changes_toggled_cb (GtkToggleButton *button,
gtk_button_set_icon_name (GTK_BUTTON (button), "changes-allow");
}
char *
format_header_cb (GObject *object,
guint count,
double fps)
{
return g_strdup_printf ("%u Icons, %.2f fps", count, fps);
}
GtkWidget *
do_fishbowl (GtkWidget *do_widget)
{

22
demos/gtk-demo/fishbowl.ui
View File

@ -28,22 +28,12 @@
</child>
<child type="end">
<object class="GtkLabel">
<property name="label">fps</property>
</object>
</child>
<child type="end">
<object class="GtkLabel">
<property name="label" bind-source="bowl" bind-property="framerate-string"/>
</object>
</child>
<child type="end">
<object class="GtkLabel">
<property name="label">Icons, </property>
</object>
</child>
<child type="end">
<object class="GtkLabel">
<property name="label" bind-source="bowl" bind-property="count"/>
<binding name="label">
<closure type="gchararray" function="format_header_cb">
<lookup name="count">bowl</lookup>
<lookup name="framerate">bowl</lookup>
</closure>
</binding>
</object>
</child>
<child type="end">

17
demos/gtk-demo/gtkfishbowl.c
View File

@ -53,7 +53,6 @@ enum {
PROP_BENCHMARK,
PROP_COUNT,
PROP_FRAMERATE,
PROP_FRAMERATE_STRING,
PROP_UPDATE_DELAY,
NUM_PROPERTIES
};
@ -289,14 +288,6 @@ gtk_fishbowl_get_property (GObject *object,
g_value_set_double (value, gtk_fishbowl_get_framerate (fishbowl));
break;
case PROP_FRAMERATE_STRING:
{
char *s = g_strdup_printf ("%.2f", gtk_fishbowl_get_framerate (fishbowl));
g_value_set_string (value, s);
g_free (s);
}
break;
case PROP_UPDATE_DELAY:
g_value_set_int64 (value, gtk_fishbowl_get_update_delay (fishbowl));
break;
@ -350,13 +341,6 @@ gtk_fishbowl_class_init (GtkFishbowlClass *klass)
0,
G_PARAM_READABLE);
props[PROP_FRAMERATE_STRING] =
g_param_spec_string ("framerate-string",
"Framerate as string",
"Framerate as string, with 2 decimals",
NULL,
G_PARAM_READABLE);
props[PROP_UPDATE_DELAY] =
g_param_spec_int64 ("update-delay",
"Update delay",
@ -508,7 +492,6 @@ gtk_fishbowl_do_update (GtkFishbowl *fishbowl)
priv->framerate = ((int)(priv->framerate * 100))/100.0;
g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_FRAMERATE]);
g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_FRAMERATE_STRING]);
if (!priv->benchmark)
return;