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https://github.com/brl/mutter.git
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154 lines
3.8 KiB
C
154 lines
3.8 KiB
C
#include <clutter/clutter.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <gmodule.h>
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#define RECT_L 200
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#define RECT_T 150
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#define RECT_W 320
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#define RECT_H 240
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static ClutterActor *test_rectangle = NULL;
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static ClutterActor *label = NULL;
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static gboolean
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on_event (ClutterStage *stage,
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ClutterEvent *event,
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gpointer user_data)
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{
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switch (event->type)
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{
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case CLUTTER_BUTTON_PRESS:
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{
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ClutterActor *actor;
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gfloat xu2, yu2;
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gfloat x, y;
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clutter_event_get_coords (event, &x, &y);
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actor = clutter_stage_get_actor_at_pos (stage,
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CLUTTER_PICK_ALL,
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x, y);
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if (clutter_actor_transform_stage_point (actor, x, y, &xu2, &yu2))
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{
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gchar *txt;
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if (actor == test_rectangle)
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txt = g_strdup_printf ("Click on rectangle\n"
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"Screen coords: [%d, %d]\n"
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"Local coords : [%d, %d]",
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(int) x, (int) y,
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(int) xu2, (int) yu2);
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else
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txt = g_strdup_printf ("Click on stage\n"
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"Screen coords: [%d, %d]\n"
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"Local coords : [%d, %d]",
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(int) x, (int) y,
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(int) xu2, (int) yu2);
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clutter_text_set_text (CLUTTER_TEXT (label), txt);
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g_free (txt);
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}
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else
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clutter_text_set_text (CLUTTER_TEXT (label), "Unprojection failed.");
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}
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break;
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default:
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break;
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}
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return FALSE;
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}
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G_MODULE_EXPORT int
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test_unproject_main (int argc, char *argv[])
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{
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gchar *txt;
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ClutterActor *rect, *stage, *label0;
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int i, rotate_x = 0, rotate_y = 60, rotate_z = 0;
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ClutterColor stage_clr = { 0x0, 0x0, 0x0, 0xff },
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white = { 0xff, 0xff, 0xff, 0xff },
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blue = { 0x0, 0xff, 0xff, 0xff };
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for (i = 0; i < argc; ++i)
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{
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if (!strncmp (argv[i], "--rotate-x", 10))
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{
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rotate_x = atoi (argv[i] + 11);
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}
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else if (!strncmp (argv[i], "--rotate-y", 10))
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{
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rotate_y = atoi (argv[i] + 11);
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}
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else if (!strncmp (argv[i], "--rotate-z", 10))
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{
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rotate_z = atoi (argv[i] + 11);
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}
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else if (!strncmp (argv[i], "--help", 6))
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{
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g_print ("%s [--rotage-x=degrees] "
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"[--rotage-y=degrees] "
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"[--rotage-z=degrees]\n",
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argv[0]);
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return EXIT_FAILURE;
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}
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}
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if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
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return 1;
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stage = clutter_stage_get_default ();
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clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_clr);
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clutter_actor_set_size (stage, 640, 480);
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rect = clutter_rectangle_new_with_color (&white);
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clutter_actor_set_size (rect, RECT_W, RECT_H);
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clutter_actor_set_position (rect, RECT_L, RECT_T);
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clutter_actor_set_rotation (rect, CLUTTER_X_AXIS, rotate_x, 0, 0, 0);
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clutter_actor_set_rotation (rect, CLUTTER_Y_AXIS, rotate_y, 0, 0, 0);
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clutter_actor_set_rotation (rect, CLUTTER_Z_AXIS, rotate_z, 0, 0, 0);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
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test_rectangle = rect;
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txt = g_strdup_printf ("Rectangle: L %d, R %d, T %d, B %d\n"
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"Rotation : x %d, y %d, z %d",
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RECT_L, RECT_L + RECT_W,
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RECT_T, RECT_T + RECT_H,
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rotate_x, rotate_y, rotate_z);
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label0 = clutter_text_new_with_text ("Mono 8pt", txt);
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clutter_text_set_color (CLUTTER_TEXT (label0), &white);
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clutter_actor_set_position (label0, 10, 10);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), label0);
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g_free (txt);
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label =
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clutter_text_new_with_text ("Mono 8pt", "Click around!");
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clutter_text_set_color (CLUTTER_TEXT (label), &blue);
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clutter_actor_set_position (label, 10, 50);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), label);
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clutter_actor_show_all (stage);
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g_signal_connect (stage, "event", G_CALLBACK (on_event), NULL);
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clutter_main();
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test_rectangle = NULL;
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label = NULL;
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return EXIT_SUCCESS;
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}
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