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gtk-demo: Use a property selection in the colors demo

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This makes the property persist across sort changes.
This commit is contained in:
Matthias Clasen 2020-06-06 09:49:25 -04:00
parent d1509971d8
commit 14605d4b92
1 changed files with 14 additions and 2 deletions
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16
demos/gtk-demo/listview_colors.c
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@ -25,6 +25,7 @@ struct _GtkColor
char *name;
GdkRGBA *color;
int h, s, v;
gboolean selected;
};
enum {
@ -37,6 +38,7 @@ enum {
PROP_HUE,
PROP_SATURATION,
PROP_VALUE,
PROP_SELECTED,
N_PROPS
};
@ -124,6 +126,10 @@ gtk_color_get_property (GObject *object,
g_value_set_int (value, self->v);
break;
case PROP_SELECTED:
g_value_set_boolean (value, self->selected);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -160,6 +166,10 @@ gtk_color_set_property (GObject *object,
self->v = g_value_get_int (value);
break;
case PROP_SELECTED:
self->selected = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -202,6 +212,8 @@ gtk_color_class_init (GtkColorClass *klass)
g_param_spec_int ("saturation", NULL, NULL, 0, 100, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
properties[PROP_VALUE] =
g_param_spec_int ("value", NULL, NULL, 0, 100, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
properties[PROP_SELECTED] =
g_param_spec_boolean ("selected", NULL, NULL, FALSE, G_PARAM_READWRITE);
g_object_class_install_properties (gobject_class, N_PROPS, properties);
}
@ -261,7 +273,7 @@ create_colors_model (void)
h = atoi (fields[9]);
s = atoi (fields[10]);
v = atoi (fields[11]);
color = gtk_color_new (name, red / 255., green / 255., blue / 255., h, s, v);
g_list_store_append (result, color);
g_object_unref (color);
@ -427,7 +439,7 @@ create_color_grid (void)
gtk_grid_view_set_enable_rubberband (GTK_GRID_VIEW (gridview), TRUE);
model = G_LIST_MODEL (gtk_sort_list_model_new (create_colors_model (), NULL));
selection = G_LIST_MODEL (gtk_multi_selection_new (model));
selection = G_LIST_MODEL (gtk_property_selection_new (model, "selected"));
gtk_grid_view_set_model (GTK_GRID_VIEW (gridview), selection);
g_object_unref (selection);
g_object_unref (model);