mutter/tests/interactive/test-flow-layout.c

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#include <stdlib.h>
#include <gmodule.h>
#include <cairo/cairo.h>
#include <clutter/clutter.h>
#define N_RECTS 20
static gboolean is_homogeneous = FALSE;
static gboolean vertical = FALSE;
static gboolean random_size = FALSE;
static gboolean fixed_size = FALSE;
static gint n_rects = N_RECTS;
static gint x_spacing = 0;
static gint y_spacing = 0;
static GOptionEntry entries[] = {
{
"random-size", 'r',
0,
G_OPTION_ARG_NONE,
&random_size,
"Randomly size the rectangles", NULL
},
{
"num-rects", 'n',
0,
G_OPTION_ARG_INT,
&n_rects,
"Number of rectangles", "RECTS"
},
{
"vertical", 'v',
0,
G_OPTION_ARG_NONE,
&vertical,
"Set vertical orientation", NULL
},
{
"homogeneous", 'h',
0,
G_OPTION_ARG_NONE,
&is_homogeneous,
"Whether the layout should be homogeneous", NULL
},
{
"x-spacing", 0,
0,
G_OPTION_ARG_INT,
&x_spacing,
"Horizontal spacing between elements", "PX"
},
{
"y-spacing", 0,
0,
G_OPTION_ARG_INT,
&y_spacing,
"Vertical spacing between elements", "PX"
},
{
"fixed-size", 'f',
0,
G_OPTION_ARG_NONE,
&fixed_size,
"Fix the layout size", NULL
},
{ NULL }
};
G_MODULE_EXPORT int
test_flow_layout_main (int argc, char *argv[])
{
ClutterActor *stage, *box;
ClutterLayoutManager *layout;
ClutterColor stage_color = { 0xe0, 0xf2, 0xfc, 0xff };
ClutterColor box_color = { 255, 255, 255, 255 };
GError *error;
gint i;
error = NULL;
if (clutter_init_with_args (&argc, &argv,
NULL,
entries,
NULL,
&error) != CLUTTER_INIT_SUCCESS)
{
g_print ("Unable to run test-flow: %s", error->message);
g_error_free (error);
return EXIT_FAILURE;
}
stage = clutter_stage_get_default ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Flow Layout");
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
layout = clutter_flow_layout_new (vertical ? CLUTTER_FLOW_VERTICAL
: CLUTTER_FLOW_HORIZONTAL);
clutter_flow_layout_set_homogeneous (CLUTTER_FLOW_LAYOUT (layout),
is_homogeneous);
clutter_flow_layout_set_column_spacing (CLUTTER_FLOW_LAYOUT (layout),
x_spacing);
clutter_flow_layout_set_row_spacing (CLUTTER_FLOW_LAYOUT (layout),
y_spacing);
box = clutter_box_new (layout);
clutter_box_set_color (CLUTTER_BOX (box), &box_color);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), box);
if (!fixed_size)
clutter_actor_add_constraint (box, clutter_bind_constraint_new (stage, CLUTTER_BIND_SIZE, 0.0));
clutter_actor_set_position (box, 0, 0);
clutter_actor_set_name (box, "box");
for (i = 0; i < n_rects; i++)
{
ClutterColor color = { 255, 255, 255, 224 };
ClutterActor *rect;
gchar *name;
gfloat width, height;
name = g_strdup_printf ("rect%02d", i);
clutter_color_from_hls (&color,
360.0 / n_rects * i,
0.5,
0.8);
rect = clutter_rectangle_new_with_color (&color);
clutter_container_add_actor (CLUTTER_CONTAINER (box), rect);
if (random_size)
{
width = g_random_int_range (50, 100);
height = g_random_int_range (50, 100);
}
else
{
width = height = 50;
}
clutter_actor_set_size (rect, width, height);
clutter_actor_set_name (rect, name);
g_free (name);
}
clutter_actor_show_all (stage);
clutter_main ();
return EXIT_SUCCESS;
}