mutter/clutter/tests/interactive/test-swipe-action.c

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#include <stdlib.h>
#include <clutter/clutter.h>
enum {
VERTICAL = 0,
HORIZONTAL = 1,
BOTH = 2
};
static void
swept_cb (ClutterSwipeAction *action,
ClutterActor *actor,
ClutterSwipeDirection direction,
gpointer data_)
{
guint axis = GPOINTER_TO_UINT (data_);
gchar *direction_str = g_strdup ("");
if (axis == HORIZONTAL &&
((direction & CLUTTER_SWIPE_DIRECTION_UP) != 0 ||
(direction & CLUTTER_SWIPE_DIRECTION_DOWN) != 0))
{
g_print ("discarding non-horizontal swipe on '%s'\n",
clutter_actor_get_name (actor));
return;
}
if (axis == VERTICAL &&
((direction & CLUTTER_SWIPE_DIRECTION_LEFT) != 0 ||
(direction & CLUTTER_SWIPE_DIRECTION_RIGHT) != 0))
{
g_print ("discarding non-vertical swipe on '%s'\n",
clutter_actor_get_name (actor));
return;
}
if (direction & CLUTTER_SWIPE_DIRECTION_UP)
{
char *old_str = direction_str;
direction_str = g_strconcat (direction_str, " up", NULL);
g_free (old_str);
}
if (direction & CLUTTER_SWIPE_DIRECTION_DOWN)
{
char *old_str = direction_str;
direction_str = g_strconcat (direction_str, " down", NULL);
g_free (old_str);
}
if (direction & CLUTTER_SWIPE_DIRECTION_LEFT)
{
char *old_str = direction_str;
direction_str = g_strconcat (direction_str, " left", NULL);
g_free (old_str);
}
if (direction & CLUTTER_SWIPE_DIRECTION_RIGHT)
{
char *old_str = direction_str;
direction_str = g_strconcat (direction_str, " right", NULL);
g_free (old_str);
}
g_print ("swept: '%s': %s\n", clutter_actor_get_name (actor), direction_str);
g_free (direction_str);
}
static void
gesture_cancel_cb (ClutterSwipeAction *action,
ClutterActor *actor,
gpointer user_data)
{
g_debug ("gesture cancelled: '%s'", clutter_actor_get_name (actor));
}
static void
attach_action (ClutterActor *actor, guint axis)
{
ClutterAction *action;
action = g_object_new (CLUTTER_TYPE_SWIPE_ACTION, NULL);
clutter_actor_add_action (actor, action);
g_signal_connect (action, "swept", G_CALLBACK (swept_cb), GUINT_TO_POINTER (axis));
g_signal_connect (action, "gesture-cancel", G_CALLBACK (gesture_cancel_cb), NULL);
}
G_MODULE_EXPORT int
test_swipe_action_main (int argc, char *argv[])
{
ClutterActor *stage, *rect;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Swipe action");
clutter_actor_set_size (stage, 640, 480);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
rect = clutter_rectangle_new_with_color (CLUTTER_COLOR_Red);
clutter_actor_set_name (rect, "Vertical swipes");
clutter_actor_set_size (rect, 150, 150);
clutter_actor_set_position (rect, 10, 100);
clutter_actor_set_reactive (rect, TRUE);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
attach_action (rect, VERTICAL);
rect = clutter_rectangle_new_with_color (CLUTTER_COLOR_Blue);
clutter_actor_set_name (rect, "Horizontal swipes");
clutter_actor_set_size (rect, 150, 150);
clutter_actor_set_position (rect, 170, 100);
clutter_actor_set_reactive (rect, TRUE);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
attach_action (rect, HORIZONTAL);
rect = clutter_rectangle_new_with_color (CLUTTER_COLOR_Green);
clutter_actor_set_name (rect, "All swipes");
clutter_actor_set_size (rect, 150, 150);
clutter_actor_set_position (rect, 330, 100);
clutter_actor_set_reactive (rect, TRUE);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
attach_action (rect, BOTH);
{
ClutterLayoutManager *layout = clutter_box_layout_new ();
ClutterActor *box, *label;
float offset;
clutter_box_layout_set_vertical (CLUTTER_BOX_LAYOUT (layout), TRUE);
clutter_box_layout_set_spacing (CLUTTER_BOX_LAYOUT (layout), 6);
box = clutter_box_new (layout);
label = clutter_text_new ();
clutter_text_set_markup (CLUTTER_TEXT (label),
"<b>Red</b>: vertical swipes only");
clutter_box_layout_pack (CLUTTER_BOX_LAYOUT (layout),
label,
TRUE,
TRUE, TRUE,
CLUTTER_BOX_ALIGNMENT_START,
CLUTTER_BOX_ALIGNMENT_CENTER);
label = clutter_text_new ();
clutter_text_set_markup (CLUTTER_TEXT (label),
"<b>Blue</b>: horizontal swipes only");
clutter_box_layout_pack (CLUTTER_BOX_LAYOUT (layout),
label,
TRUE,
TRUE, TRUE,
CLUTTER_BOX_ALIGNMENT_START,
CLUTTER_BOX_ALIGNMENT_CENTER);
label = clutter_text_new ();
clutter_text_set_markup (CLUTTER_TEXT (label),
"<b>Green</b>: both");
clutter_box_layout_pack (CLUTTER_BOX_LAYOUT (layout),
label,
TRUE,
TRUE, TRUE,
CLUTTER_BOX_ALIGNMENT_START,
CLUTTER_BOX_ALIGNMENT_CENTER);
offset = clutter_actor_get_height (stage)
- clutter_actor_get_height (box)
- 12.0;
clutter_container_add_actor (CLUTTER_CONTAINER (stage), box);
clutter_actor_add_constraint (box, clutter_bind_constraint_new (stage,
CLUTTER_BIND_X,
12.0));
clutter_actor_add_constraint (box, clutter_bind_constraint_new (stage,
CLUTTER_BIND_Y,
offset));
}
clutter_actor_show_all (stage);
clutter_main ();
return EXIT_SUCCESS;
}
G_MODULE_EXPORT const char *
test_swipe_action_describe (void)
{
return "Swipe gesture recognizer.";
}