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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.
97 lines
3.3 KiB
C
97 lines
3.3 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 box_color = { 0xff, 0xff, 0xff, 0xff };
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static const ClutterColor yellow_color = { 0xaa, 0xaa, 0x00, 0xff };
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static const ClutterColor red_color = { 0xff, 0x00, 0x00, 0xff };
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static const ClutterColor blue_color = { 0x00, 0x00, 0xff, 0xff };
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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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ClutterLayoutManager *box_layout;
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ClutterActor *box;
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ClutterActor *yellow;
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ClutterActor *red;
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ClutterActor *blue;
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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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/* create a ClutterBoxLayout */
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box_layout = clutter_box_layout_new ();
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/* configure it to lay out actors vertically */
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clutter_box_layout_set_vertical (CLUTTER_BOX_LAYOUT (box_layout), TRUE);
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/* put 5px of spacing between actors */
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clutter_box_layout_set_spacing (CLUTTER_BOX_LAYOUT (box_layout), 5);
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/* actors are packed into this box; we set its width, but
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* allow its height to be determined by the children it contains
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*/
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box = clutter_box_new (box_layout);
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clutter_box_set_color (CLUTTER_BOX (box), &box_color);
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clutter_actor_set_position (box, 100, 50);
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clutter_actor_set_width (box, 200);
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/* pack an actor into the layout and set all layout properties on it
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* at the same time
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*/
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yellow = clutter_rectangle_new_with_color (&yellow_color);
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clutter_actor_set_size (yellow, 100, 100);
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clutter_box_layout_pack (CLUTTER_BOX_LAYOUT (box_layout),
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yellow,
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FALSE, /* expand */
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TRUE, /* x-fill */
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FALSE, /* y-fill */
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CLUTTER_BOX_ALIGNMENT_START, /* x-align */
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CLUTTER_BOX_ALIGNMENT_START); /* y-align */
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/* pack an actor into the box and set layout properties at the
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* same time; note this is more concise if you mostly want to
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* use the default properties for the layout
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*/
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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_box_pack (CLUTTER_BOX (box),
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red,
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"x-fill", TRUE,
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NULL);
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/* add an actor to the box as a container and set layout properties
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* afterwards; the latter is useful if you want to change properties on
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* actors already inside a layout, but note that you have to
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* pass the function both the layout AND the container
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*/
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blue = clutter_rectangle_new_with_color (&blue_color);
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clutter_actor_set_size (blue, 100, 100);
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clutter_container_add_actor (CLUTTER_CONTAINER (box), blue);
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clutter_layout_manager_child_set (box_layout,
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CLUTTER_CONTAINER (box),
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blue,
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"x-fill", TRUE,
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NULL);
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/* put the box on the stage */
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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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