5737cf869f
FlowLayout is a layout manager that arranges its children in a reflowing line; the orientation controls the major axis for the layout: horizontal, for reflow on the Y axis, and vertical, for reflow on the X axis.
118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
#include <stdlib.h>
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#include <gmodule.h>
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#include <cairo/cairo.h>
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#include <clutter/clutter.h>
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#define N_RECTS 20
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static gboolean vertical = FALSE;
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static gboolean random_size = FALSE;
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static gint n_rects = N_RECTS;
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static GOptionEntry entries[] = {
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{
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"random-size", 'r',
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0,
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G_OPTION_ARG_NONE,
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&random_size,
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"Randomly size the rectangles", NULL
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},
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{
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"num-rects", 'n',
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0,
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G_OPTION_ARG_INT,
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&n_rects,
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"Number of rectangles", "RECTS"
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},
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{
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"vertical", 'v',
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0,
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G_OPTION_ARG_NONE,
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&vertical,
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"Set vertical orientation", NULL
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},
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{ NULL }
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};
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G_MODULE_EXPORT int
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test_flow_main (int argc, char *argv[])
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{
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ClutterActor *stage, *box;
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ClutterLayoutManager *layout;
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ClutterColor stage_color = { 0xe0, 0xf2, 0xfc, 0xff };
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GError *error;
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gint i;
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error = NULL;
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clutter_init_with_args (&argc, &argv,
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NULL,
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entries,
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NULL,
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&error);
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if (error)
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{
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g_print ("Unable to run test-flow: %s", error->message);
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g_error_free (error);
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return EXIT_FAILURE;
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}
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stage = clutter_stage_get_default ();
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clutter_stage_set_title (CLUTTER_STAGE (stage), "Flow Layout");
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clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
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clutter_actor_set_size (stage, 640, 480);
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layout = clutter_flow_layout_new (vertical ? CLUTTER_FLOW_VERTICAL
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: CLUTTER_FLOW_HORIZONTAL);
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box = clutter_box_new (layout);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), box);
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clutter_actor_set_position (box, 0, 0);
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if (vertical)
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clutter_actor_set_height (box, 480);
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else
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clutter_actor_set_width (box, 640);
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clutter_actor_set_name (box, "box");
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for (i = 0; i < n_rects; i++)
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{
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ClutterColor color = { 255, 255, 255, 255 };
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ClutterActor *rect;
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gchar *name;
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gfloat width, height;
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name = g_strdup_printf ("rect%02d", i);
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clutter_color_from_hls (&color,
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360.0 / n_rects * i,
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0.5,
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0.8);
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rect = clutter_rectangle_new_with_color (&color);
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clutter_container_add_actor (CLUTTER_CONTAINER (box), rect);
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if (random_size)
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{
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width = g_random_int_range (50, 100);
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height = g_random_int_range (50, 100);
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}
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else
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{
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width = height = 50;
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}
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clutter_actor_set_size (rect, width, height);
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clutter_actor_set_name (rect, name);
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g_free (name);
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}
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clutter_actor_show_all (stage);
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clutter_main ();
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return EXIT_SUCCESS;
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}
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