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26aa4b5290
A lot of the example code in the cookbook and the API reference still uses the default stage — sometimes as if it were a non-default one, which once again demonstrates how the default stage was a flawed concept that just confused people.
109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
#include <stdlib.h>
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#include <clutter/clutter.h>
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static const ClutterColor stage_color = { 0x33, 0x33, 0x55, 0xff };
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static const ClutterColor red_color = { 0xff, 0x00, 0x00, 0xff };
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static const ClutterColor green_color = { 0x00, 0xff, 0x00, 0xff };
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static gboolean
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button_event_cb (ClutterActor *actor,
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ClutterEvent *event,
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gpointer user_data)
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{
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gfloat x, y;
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gchar *event_type;
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guint button_pressed;
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ClutterModifierType state;
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gchar *ctrl_pressed;
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guint32 click_count;
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/* where the pointer was when the button event occurred */
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clutter_event_get_coords (event, &x, &y);
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/* check whether it was a press or release event */
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event_type = "released";
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if (clutter_event_type (event) == CLUTTER_BUTTON_PRESS)
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event_type = "pressed";
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/* which button triggered the event */
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button_pressed = clutter_event_get_button (event);
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/* keys down when the button was pressed */
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state = clutter_event_get_state (event);
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ctrl_pressed = "ctrl not pressed";
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if (state & CLUTTER_CONTROL_MASK)
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ctrl_pressed = "ctrl pressed";
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/* click count */
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click_count = clutter_event_get_click_count (event);
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g_debug ("button %d %s at %.0f,%.0f; %s; click count %d",
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button_pressed,
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event_type,
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x,
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y,
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ctrl_pressed,
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click_count);
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return TRUE;
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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 *red;
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ClutterActor *green;
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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_new ();
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clutter_actor_set_size (stage, 400, 400);
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clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
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g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
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red = clutter_rectangle_new_with_color (&red_color);
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clutter_actor_set_size (red, 100, 100);
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clutter_actor_set_position (red, 50, 150);
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clutter_actor_set_reactive (red, TRUE);
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green = clutter_rectangle_new_with_color (&green_color);
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clutter_actor_set_size (green, 100, 100);
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clutter_actor_set_position (green, 250, 150);
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clutter_actor_set_reactive (green, TRUE);
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g_signal_connect (red,
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"button-press-event",
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G_CALLBACK (button_event_cb),
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NULL);
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g_signal_connect (red,
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"button-release-event",
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G_CALLBACK (button_event_cb),
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NULL);
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g_signal_connect (green,
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"button-press-event",
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G_CALLBACK (button_event_cb),
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NULL);
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g_signal_connect (green,
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"button-release-event",
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G_CALLBACK (button_event_cb),
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NULL);
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clutter_container_add (CLUTTER_CONTAINER (stage),
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red,
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green,
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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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