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https://github.com/brl/mutter.git
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119 lines
3.7 KiB
C
119 lines
3.7 KiB
C
#include <stdlib.h>
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#include <clutter/clutter.h>
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#include "cb-border-effect.h"
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#include "cb-background-effect.h"
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static const ClutterColor stage_color = { 0x33, 0x33, 0x55, 0xff };
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static ClutterColor red_color = { 0xff, 0x00, 0x00, 0xff };
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static gboolean
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toggle_highlight (ClutterActor *actor,
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ClutterEvent *event,
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gpointer user_data)
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{
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ClutterActorMeta *meta = CLUTTER_ACTOR_META (user_data);
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gboolean effect_enabled = clutter_actor_meta_get_enabled (meta);
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clutter_actor_meta_set_enabled (meta, !effect_enabled);
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return CLUTTER_EVENT_STOP;
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}
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int
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main (int argc,
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char *argv[])
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{
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ClutterActor *stage;
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ClutterActor *box;
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ClutterLayoutManager *layout_manager;
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ClutterActor *texture;
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ClutterEffect *background_effect;
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ClutterEffect *border_effect;
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ClutterConstraint *width_constraint;
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gchar *filename;
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guint i;
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GError *error = NULL;
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if (argc < 2)
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{
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g_print ("Usage: %s <image files>\n", argv[0]);
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return EXIT_FAILURE;
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}
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if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
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return EXIT_FAILURE;
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stage = clutter_stage_new ();
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clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
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clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
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clutter_actor_set_size (stage, 600, 400);
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g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
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layout_manager = clutter_flow_layout_new (CLUTTER_FLOW_HORIZONTAL);
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clutter_flow_layout_set_column_spacing (CLUTTER_FLOW_LAYOUT (layout_manager),
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10);
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clutter_flow_layout_set_row_spacing (CLUTTER_FLOW_LAYOUT (layout_manager),
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10);
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box = clutter_actor_new ();
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clutter_actor_set_layout_manager (box, layout_manager);
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width_constraint = clutter_bind_constraint_new (stage,
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CLUTTER_BIND_WIDTH,
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0.0);
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clutter_actor_add_constraint (box, width_constraint);
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/* loop through the files specified on the command line, adding
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* each one into the box
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*/
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for (i = 1; i < argc; i++)
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{
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filename = argv[i];
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texture = clutter_texture_new ();
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clutter_texture_set_keep_aspect_ratio (CLUTTER_TEXTURE (texture), TRUE);
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clutter_actor_set_width (texture, 150);
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clutter_actor_set_reactive (texture, TRUE);
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clutter_texture_set_from_file (CLUTTER_TEXTURE (texture),
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filename,
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&error);
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if (error != NULL)
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g_warning ("Error loading file %s:\n%s",
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filename,
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error->message);
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/* create a grey background effect */
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background_effect = cb_background_effect_new ();
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/* apply the effect to the actor */
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clutter_actor_add_effect (texture, background_effect);
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/* create a 5 pixel red border effect */
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border_effect = cb_border_effect_new (5.0, &red_color);
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/* apply the effect to the actor, but disabled */
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clutter_actor_add_effect (texture, border_effect);
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clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (border_effect),
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FALSE);
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/* on mouse click, toggle the "enabled" property of the border effect */
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g_signal_connect (texture,
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"button-press-event",
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G_CALLBACK (toggle_highlight),
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border_effect);
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clutter_container_add_actor (CLUTTER_CONTAINER (box), texture);
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}
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), box);
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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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