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gtk-demo: Make the colors demo populate incrementally too

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This commit is contained in:
Matthias Clasen
2020-06-20 12:37:13 -04:00
parent 00f0177d25
commit a0fc293d1e
1 changed files with 66 additions and 32 deletions
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98
demos/gtk-demo/listview_colors.c
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@@ -242,49 +242,83 @@ gtk_color_new (const char *name,
return result;
}
static GListModel *
create_colors_model (void)
typedef struct
{
GListStore *result;
GtkColor *color;
GBytes *data;
GListStore *store;
char **lines;
guint n;
guint i;
} ColorData;
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);
static void
free_color_data (gpointer data)
{
ColorData *cd = data;
for (i = 0; lines[i]; i++)
{
const char *name;
char **fields;
int red, green, blue;
int h, s, v;
g_bytes_unref (cd->data);
g_object_unref (cd->store);
g_strfreev (cd->lines);
g_free (cd);
}
if (lines[i][0] == '#' || lines[i][0] == '\0')
continue;
static gboolean
add_one_color (GtkWidget *widget,
GdkFrameClock *clock,
gpointer data)
{
ColorData *cd = data;
const char *name;
char **fields;
int red, green, blue;
int h, s, v;
GtkColor *color;
fields = g_strsplit (lines[i], " ", 0);
name = fields[1];
red = atoi (fields[3]);
green = atoi (fields[4]);
blue = atoi (fields[5]);
h = atoi (fields[9]);
s = atoi (fields[10]);
v = atoi (fields[11]);
g_print ("%u/%u\n", cd->i, cd->n);
color = gtk_color_new (name, red / 255., green / 255., blue / 255., h, s, v);
g_list_store_append (result, color);
g_object_unref (color);
if (cd->lines[cd->i][0] == '#' || cd->lines[cd->i][0] == '\0')
goto out;
g_strfreev (fields);
}
g_strfreev (lines);
fields = g_strsplit (cd->lines[cd->i], " ", 0);
name = fields[1];
red = atoi (fields[3]);
green = atoi (fields[4]);
blue = atoi (fields[5]);
h = atoi (fields[9]);
s = atoi (fields[10]);
v = atoi (fields[11]);
g_bytes_unref (data);
color = gtk_color_new (name, red / 255., green / 255., blue / 255., h, s, v);
g_list_store_append (cd->store, color);
g_object_unref (color);
return G_LIST_MODEL (result);
g_strfreev (fields);
out:
cd->i++;
if (cd->i == cd->n)
return G_SOURCE_REMOVE;
return G_SOURCE_CONTINUE;
}
static GListModel *
create_colors_model (GtkWidget *view)
{
ColorData *cd;
cd = g_new (ColorData, 1);
cd->store = g_list_store_new (GTK_TYPE_COLOR);
cd->data = g_resources_lookup_data ("/listview_colors/color.names.txt", 0, NULL);
cd->lines = g_strsplit (g_bytes_get_data (cd->data, NULL), "\n", 0);
cd->n = g_strv_length (cd->lines);
cd->i = 0;
gtk_widget_add_tick_callback (view, add_one_color, cd, free_color_data);
return G_LIST_MODEL (g_object_ref (cd->store));
}
static char *
@@ -438,7 +472,7 @@ create_color_grid (void)
gtk_grid_view_set_max_columns (GTK_GRID_VIEW (gridview), 24);
gtk_grid_view_set_enable_rubberband (GTK_GRID_VIEW (gridview), TRUE);
model = G_LIST_MODEL (gtk_sort_list_model_new (create_colors_model (), NULL));
model = G_LIST_MODEL (gtk_sort_list_model_new (create_colors_model (gridview), NULL));
selection = G_LIST_MODEL (gtk_property_selection_new (model, "selected"));
gtk_grid_view_set_model (GTK_GRID_VIEW (gridview), selection);
g_object_unref (selection);