165 lines
4.1 KiB
C
165 lines
4.1 KiB
C
#include <stdlib.h>
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#include <gmodule.h>
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#include <cairo.h>
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#include <clutter/clutter.h>
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#define N_RECTS 20
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static gboolean is_homogeneous = FALSE;
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static gboolean vertical = FALSE;
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static gboolean random_size = FALSE;
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static gboolean fixed_size = FALSE;
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static gboolean snap_to_grid = TRUE;
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static gint n_rects = N_RECTS;
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static gint x_spacing = 0;
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static gint y_spacing = 0;
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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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{
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"homogeneous", 'h',
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0,
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G_OPTION_ARG_NONE,
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&is_homogeneous,
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"Whether the layout should be homogeneous", NULL
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},
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{
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"x-spacing", 0,
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0,
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G_OPTION_ARG_INT,
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&x_spacing,
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"Horizontal spacing between elements", "PX"
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},
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{
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"y-spacing", 0,
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0,
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G_OPTION_ARG_INT,
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&y_spacing,
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"Vertical spacing between elements", "PX"
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},
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{
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"fixed-size", 'f',
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0,
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G_OPTION_ARG_NONE,
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&fixed_size,
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"Fix the layout size", NULL
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},
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{
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"no-snap-to-grid", 's',
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G_OPTION_FLAG_REVERSE,
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G_OPTION_ARG_NONE,
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&snap_to_grid,
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"Don't snap elements to grid", NULL
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},
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{ NULL }
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};
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int
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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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GError *error;
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gint i;
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error = NULL;
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if (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) != CLUTTER_INIT_SUCCESS)
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{
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g_print ("Unable to run flow-layout: %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_new ();
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clutter_actor_set_background_color (stage, CLUTTER_COLOR_LightSkyBlue);
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clutter_stage_set_title (CLUTTER_STAGE (stage), "Flow Layout");
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clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
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g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
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layout = clutter_flow_layout_new (vertical ? CLUTTER_FLOW_VERTICAL
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: CLUTTER_FLOW_HORIZONTAL);
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clutter_flow_layout_set_homogeneous (CLUTTER_FLOW_LAYOUT (layout),
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is_homogeneous);
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clutter_flow_layout_set_column_spacing (CLUTTER_FLOW_LAYOUT (layout),
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x_spacing);
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clutter_flow_layout_set_row_spacing (CLUTTER_FLOW_LAYOUT (layout),
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y_spacing);
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clutter_flow_layout_set_snap_to_grid (CLUTTER_FLOW_LAYOUT (layout),
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snap_to_grid);
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box = clutter_actor_new ();
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clutter_actor_set_layout_manager (box, layout);
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clutter_actor_set_background_color (box, CLUTTER_COLOR_Aluminium2);
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clutter_actor_add_child (stage, box);
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if (!fixed_size)
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clutter_actor_add_constraint (box, clutter_bind_constraint_new (stage, CLUTTER_BIND_SIZE, 0.0));
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clutter_actor_set_position (box, 0, 0);
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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 = CLUTTER_COLOR_INIT (255, 255, 255, 255);
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gfloat width, height;
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ClutterActor *rect;
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gchar *name;
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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_actor_new ();
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clutter_actor_set_background_color (rect, &color);
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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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width = height = 50.f;
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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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clutter_actor_add_child (box, rect);
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g_free (name);
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}
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clutter_actor_show (stage);
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clutter_main ();
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return EXIT_SUCCESS;
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}
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