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https://github.com/brl/mutter.git
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113 lines
4.2 KiB
C
113 lines
4.2 KiB
C
#include <stdlib.h>
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#include <gmodule.h>
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#include <clutter/clutter.h>
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#define RECT_SIZE 128.0
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#define N_COLORS 3
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static ClutterActor *rects[N_COLORS] = { NULL, };
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static const gchar *colors[N_COLORS] = {
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"#cc0000", "#73d216", "#3465a4"
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};
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static gboolean is_expanded = FALSE;
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static void
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on_click (ClutterClickAction *action,
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ClutterActor *actor)
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{
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if (!is_expanded)
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{
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clutter_actor_animate (rects[1], CLUTTER_EASE_OUT_CUBIC, 250,
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"@constraints.green-x.offset", RECT_SIZE,
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"opacity", 255,
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NULL);
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clutter_actor_animate (rects[2], CLUTTER_EASE_OUT_CUBIC, 500,
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"@constraints.blue-x.offset", (RECT_SIZE * 2.0 + 0.5),
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"opacity", 255,
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NULL);
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}
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else
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{
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clutter_actor_animate (rects[1], CLUTTER_EASE_OUT_CUBIC, 250,
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"@constraints.green-x.offset", 0.0,
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"opacity", 0,
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NULL);
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clutter_actor_animate (rects[2], CLUTTER_EASE_OUT_CUBIC, 250,
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"@constraints.blue-x.offset", 0.0,
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"opacity", 0,
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NULL);
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}
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is_expanded = !is_expanded;
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}
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G_MODULE_EXPORT int
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test_bind_main (int argc, char *argv[])
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{
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ClutterActor *stage;
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ClutterConstraint *constraint;
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ClutterAction *action;
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ClutterColor color;
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clutter_init (&argc, &argv);
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stage = clutter_stage_new ();
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clutter_stage_set_title (CLUTTER_STAGE (stage), "Bind Constraint");
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clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
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clutter_actor_set_size (stage, RECT_SIZE * 4.0, RECT_SIZE * 3.0);
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g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
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/* main rectangle */
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clutter_color_from_string (&color, colors[0]);
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rects[0] = clutter_rectangle_new_with_color (&color);
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clutter_actor_set_size (rects[0], RECT_SIZE, RECT_SIZE);
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/* center it on the stage */
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clutter_actor_add_constraint (rects[0], clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.1));
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clutter_actor_add_constraint (rects[0], clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.5));
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/* make it clickable */
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action = clutter_click_action_new ();
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clutter_actor_add_action (rects[0], action);
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clutter_actor_set_reactive (rects[0], TRUE);
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g_signal_connect (action, "clicked", G_CALLBACK (on_click), NULL);
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/* second rectangle */
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clutter_color_from_string (&color, colors[1]);
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rects[1] = clutter_rectangle_new_with_color (&color);
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clutter_actor_set_opacity (rects[1], 0);
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clutter_actor_add_constraint (rects[1], clutter_bind_constraint_new (rects[0], CLUTTER_BIND_WIDTH, 0.0));
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clutter_actor_add_constraint (rects[1], clutter_bind_constraint_new (rects[0], CLUTTER_BIND_HEIGHT, 0.0));
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constraint = clutter_bind_constraint_new (rects[0], CLUTTER_BIND_X, 0.0);
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clutter_actor_add_constraint_with_name (rects[1], "green-x", constraint);
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constraint = clutter_bind_constraint_new (rects[0], CLUTTER_BIND_Y, 0.0);
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clutter_actor_add_constraint_with_name (rects[1], "green-y", constraint);
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clutter_actor_set_name (rects[1], "green rect");
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/* third rectangle */
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clutter_color_from_string (&color, colors[2]);
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rects[2] = clutter_rectangle_new_with_color (&color);
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clutter_actor_set_opacity (rects[2], 0);
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clutter_actor_add_constraint (rects[2], clutter_bind_constraint_new (rects[0], CLUTTER_BIND_WIDTH, 0.0));
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clutter_actor_add_constraint (rects[2], clutter_bind_constraint_new (rects[0], CLUTTER_BIND_HEIGHT, 0.0));
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constraint = clutter_bind_constraint_new (rects[0], CLUTTER_BIND_X, 0.0);
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clutter_actor_add_constraint_with_name (rects[2], "blue-x", constraint);
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constraint = clutter_bind_constraint_new (rects[0], CLUTTER_BIND_Y, 0.0);
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clutter_actor_add_constraint_with_name (rects[2], "blue-y", constraint);
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clutter_actor_set_name (rects[2], "blue rect");
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/* add everything to the stage */
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clutter_container_add (CLUTTER_CONTAINER (stage),
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rects[2],
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rects[1],
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rects[0],
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NULL);
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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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