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gtk-demo: Make colors demo contain all 16,777,216 colors

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This makes it slightly slow, so not sure it should stay like this.
This commit is contained in:
Benjamin Otte
2020-06-19 03:59:59 +02:00
parent 8348a113c6
commit 1d26341b03
1 changed files with 24 additions and 3 deletions
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27
demos/gtk-demo/listview_colors.c
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@@ -313,11 +313,14 @@ create_colors_model (void)
GBytes *data;
char **lines;
guint i;
GHashTable *names;
result = g_list_store_new (GTK_TYPE_COLOR);
data = g_resources_lookup_data ("/listview_colors/color.names.txt", 0, NULL);
lines = g_strsplit (g_bytes_get_data (data, NULL), "\n", 0);
names = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
for (i = 0; lines[i]; i++)
{
const char *name;
@@ -333,14 +336,30 @@ create_colors_model (void)
green = atoi (fields[4]);
blue = atoi (fields[5]);
color = gtk_color_new (name, red / 255., green / 255., blue / 255.);
g_list_store_append (result, color);
g_object_unref (color);
g_hash_table_insert (names, GUINT_TO_POINTER (((red & 0xFF) << 16) | ((green & 0xFF) << 8) | blue), g_strdup (name));
g_strfreev (fields);
}
g_strfreev (lines);
for (i = 0; i < 0x1000000; i++)
{
guint red, green, blue;
const char *name;
red = (i >> 16) & 0xFF;
green = (i >> 8) & 0xFF;
blue = i & 0xFF;
name = g_hash_table_lookup (names, GUINT_TO_POINTER (i));
if (name == NULL)
name = "";
color = gtk_color_new (name, red / 255., green / 255., blue / 255.);
g_list_store_append (result, color);
g_object_unref (color);
}
g_hash_table_unref (names);
g_bytes_unref (data);
return G_LIST_MODEL (result);
@@ -591,7 +610,9 @@ do_listview_colors (GtkWidget *do_widget)
gtk_drop_down_set_model (GTK_DROP_DOWN (dropdown), G_LIST_MODEL (sorters));
g_object_unref (sorters);
#if 0
g_object_bind_property (dropdown, "selected-item", model, "sorter", G_BINDING_SYNC_CREATE);
#endif
factories = g_list_store_new (GTK_TYPE_LIST_ITEM_FACTORY);