int
main (int argc,
char *argv[])
{
ClutterActor *stage;
ClutterAction *action1;
ClutterAction *action2;
ClutterActor *actor1;
ClutterActor *actor2;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_new ();
clutter_actor_set_size (stage, 400, 400);
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
actor1 = clutter_actor_new ();
clutter_actor_set_name (actor1, "Red Button");
clutter_actor_set_background_color (actor1, CLUTTER_COLOR_Red);
clutter_actor_set_size (actor1, 100, 100);
clutter_actor_set_reactive (actor1, TRUE);
clutter_actor_set_position (actor1, 50, 150);
clutter_actor_add_child (stage, actor1);
actor2 = clutter_actor_new ();
clutter_actor_set_name (actor2, "Blue Button");
clutter_actor_set_background_color (actor2, CLUTTER_COLOR_Blue);
clutter_actor_set_size (actor2, 100, 100);
clutter_actor_set_position (actor2, 250, 150);
clutter_actor_set_reactive (actor2, TRUE);
clutter_actor_add_child (stage, actor2);
action1 = clutter_click_action_new ();
clutter_actor_add_action (actor1, action1);
action2 = clutter_click_action_new ();
clutter_actor_add_action (actor2, action2);
g_signal_connect (action1,
"clicked",
G_CALLBACK (clicked_cb),
NULL);
g_signal_connect (action2,
"clicked",
G_CALLBACK (clicked_cb),
NULL);
clutter_actor_show (stage);
clutter_main ();
return EXIT_SUCCESS;
}
G_MODULE_EXPORT int
test_animation_main (int argc, char *argv[])
{
ClutterActor *stage, *rect;
ClutterColor stage_color = { 0x66, 0x66, 0xdd, 0xff };
ClutterColor rect_color = { 0x44, 0xdd, 0x44, 0xff };
ClutterAction *action;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_get_default ();
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
rect = clutter_rectangle_new_with_color (&rect_color);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
clutter_actor_set_size (rect, 50, 50);
clutter_actor_set_anchor_point (rect, 25, 25);
clutter_actor_set_position (rect,
clutter_actor_get_width (stage) / 2,
clutter_actor_get_height (stage) / 2);
clutter_actor_set_opacity (rect, 0x88);
clutter_actor_set_reactive (rect, TRUE);
action = clutter_click_action_new ();
g_signal_connect (action, "clicked", G_CALLBACK (on_clicked), NULL);
clutter_actor_add_action_with_name (rect, "click", action);
clutter_actor_show (stage);
clutter_main ();
return EXIT_SUCCESS;
}
/* object init: create a private structure and pack
* composed ClutterActors into it
*/
static void
cb_button_init (CbButton *self)
{
CbButtonPrivate *priv;
ClutterLayoutManager *layout;
priv = self->priv = CB_BUTTON_GET_PRIVATE (self);
clutter_actor_set_reactive (CLUTTER_ACTOR (self), TRUE);
/* the only child of this actor is a ClutterBox with a
* ClutterBinLayout: painting and allocation of the actor basically
* involves painting and allocating this child box
*/
layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
CLUTTER_BIN_ALIGNMENT_CENTER);
priv->child = clutter_box_new (layout);
/* set the parent of the ClutterBox to this instance */
clutter_actor_set_parent (priv->child,
CLUTTER_ACTOR (self));
/* add text label to the button; see the ClutterText API docs
* for more information about available properties
*/
priv->label = g_object_new (CLUTTER_TYPE_TEXT,
"line-alignment", PANGO_ALIGN_CENTER,
"ellipsize", PANGO_ELLIPSIZE_END,
NULL);
clutter_container_add_actor (CLUTTER_CONTAINER (priv->child),
priv->label);
/* add a ClutterClickAction on this actor, so we can proxy its
* "clicked" signal into a signal from this actor
*/
priv->click_action = clutter_click_action_new ();
clutter_actor_add_action (CLUTTER_ACTOR (self), priv->click_action);
g_signal_connect (priv->click_action,
"clicked",
G_CALLBACK (cb_button_clicked),
NULL);
}
static void slider_init(Slider *self) {
SliderPrivate *priv;
ClutterLayoutManager *layout;
priv = self->priv = SLIDER_GET_PRIVATE(self);
priv->pos = 0.5;
layout = clutter_bin_layout_new(
CLUTTER_BIN_ALIGNMENT_CENTER, CLUTTER_BIN_ALIGNMENT_CENTER);
ClutterColor col = {127, 127, 127, 255};
priv->box = clutter_actor_new();
clutter_actor_set_background_color(priv->box, &col);
clutter_actor_set_layout_manager(priv->box, layout);
clutter_actor_set_reactive(CLUTTER_ACTOR(priv->box), TRUE);
clutter_actor_add_child(CLUTTER_ACTOR(self), priv->box);
col.red = 40;
col.green = 40;
col.blue = 70;
priv->handle = clutter_actor_new();
clutter_actor_set_background_color(priv->handle, &col);
clutter_actor_set_layout_manager(priv->handle, layout);
clutter_actor_set_reactive(CLUTTER_ACTOR(priv->handle), TRUE);
clutter_actor_add_child(CLUTTER_ACTOR(self), priv->handle);
priv->track_clicked = clutter_click_action_new();
clutter_actor_add_action(CLUTTER_ACTOR(priv->box), priv->track_clicked);
g_signal_connect(
priv->track_clicked, "clicked", G_CALLBACK(slider_clicked), self);
priv->handle_dragged = clutter_drag_action_new();
clutter_actor_add_action(CLUTTER_ACTOR(priv->handle), priv->handle_dragged);
g_signal_connect(
priv->handle_dragged, "drag-motion", G_CALLBACK(handle_dragged), self);
g_signal_connect(priv->box, "scroll-event", G_CALLBACK(scrolled), self);
g_signal_connect(priv->handle, "scroll-event", G_CALLBACK(scrolled), self);
}
int
main (int argc, char *argv[])
{
ClutterActor *stage, *box, *bg, *icon, *emblem, *label;
ClutterLayoutManager *layout;
ClutterContent *canvas, *image;
ClutterColor *color;
ClutterAction *action;
GdkPixbuf *pixbuf;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
/* prepare the stage */
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "BinLayout");
clutter_actor_set_background_color (stage, CLUTTER_COLOR_Aluminium2);
clutter_actor_set_size (stage, 640, 480);
clutter_actor_show (stage);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
/* this is our BinLayout, with its default alignments */
layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
CLUTTER_BIN_ALIGNMENT_CENTER);
/* the main container; this actor will use the BinLayout to lay
* out its children; we use the anchor point to keep it centered
* on the same position even when we change its size
*/
box = clutter_actor_new ();
clutter_actor_set_layout_manager (box, layout);
clutter_actor_add_constraint (box, clutter_align_constraint_new (stage, CLUTTER_ALIGN_BOTH, 0.5));
clutter_actor_set_position (box, 320, 240);
clutter_actor_set_reactive (box, TRUE);
clutter_actor_set_name (box, "box");
clutter_actor_add_child (stage, box);
/* the background is drawn using a canvas content */
canvas = clutter_canvas_new ();
g_signal_connect (canvas, "draw", G_CALLBACK (on_canvas_draw), NULL);
clutter_canvas_set_size (CLUTTER_CANVAS (canvas), 200, 200);
/* this is the background actor; we want it to fill the whole
* of the allocation given to it by its parent
*/
bg = clutter_actor_new ();
clutter_actor_set_name (bg, "background");
clutter_actor_set_size (bg, 200, 200);
clutter_actor_set_content (bg, canvas);
clutter_actor_set_x_expand (bg, TRUE);
clutter_actor_set_y_expand (bg, TRUE);
clutter_actor_set_x_align (bg, CLUTTER_ACTOR_ALIGN_FILL);
clutter_actor_set_y_align (bg, CLUTTER_ACTOR_ALIGN_FILL);
clutter_actor_add_child (box, bg);
/* we use the ::transitions-completed signal to get notification
* of the end of the sizing animation; this allows us to redraw
* the canvas only once the animation has stopped
*/
g_signal_connect (box, "transitions-completed",
G_CALLBACK (redraw_canvas),
canvas);
/* we use GdkPixbuf to load an image from our data directory */
pixbuf = gdk_pixbuf_new_from_file (TESTS_DATADIR G_DIR_SEPARATOR_S "redhand.png", NULL);
image = clutter_image_new ();
clutter_image_set_data (CLUTTER_IMAGE (image),
gdk_pixbuf_get_pixels (pixbuf),
gdk_pixbuf_get_has_alpha (pixbuf)
? COGL_PIXEL_FORMAT_RGBA_8888
: COGL_PIXEL_FORMAT_RGB_888,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
gdk_pixbuf_get_rowstride (pixbuf),
NULL);
g_object_unref (pixbuf);
/* this is the icon; it's going to be centered inside the box actor.
* we use the content gravity to keep the aspect ratio of the image,
* and the scaling filters to get a better result when scaling the
* image down.
*/
icon = clutter_actor_new ();
clutter_actor_set_name (icon, "icon");
clutter_actor_set_size (icon, 196, 196);
clutter_actor_set_x_expand (icon, TRUE);
clutter_actor_set_y_expand (icon, TRUE);
clutter_actor_set_x_align (icon, CLUTTER_ACTOR_ALIGN_CENTER);
clutter_actor_set_y_align (icon, CLUTTER_ACTOR_ALIGN_CENTER);
clutter_actor_set_content_gravity (icon, CLUTTER_CONTENT_GRAVITY_RESIZE_ASPECT);
clutter_actor_set_content_scaling_filters (icon,
CLUTTER_SCALING_FILTER_TRILINEAR,
CLUTTER_SCALING_FILTER_LINEAR);
clutter_actor_set_content (icon, image);
clutter_actor_add_child (box, icon);
color = clutter_color_new (g_random_int_range (0, 255),
g_random_int_range (0, 255),
g_random_int_range (0, 255),
224);
/* this is the emblem: a small rectangle with a random color, that we
* want to put in the bottom right corner
*/
emblem = clutter_actor_new ();
clutter_actor_set_name (emblem, "emblem");
clutter_actor_set_size (emblem, 48, 48);
clutter_actor_set_background_color (emblem, color);
clutter_actor_set_x_expand (emblem, TRUE);
clutter_actor_set_y_expand (emblem, TRUE);
clutter_actor_set_x_align (emblem, CLUTTER_ACTOR_ALIGN_END);
clutter_actor_set_y_align (emblem, CLUTTER_ACTOR_ALIGN_END);
clutter_actor_set_reactive (emblem, TRUE);
clutter_actor_set_opacity (emblem, 0);
clutter_actor_add_child (box, emblem);
clutter_color_free (color);
/* when clicking on the emblem, we want to perform an action */
action = clutter_click_action_new ();
clutter_actor_add_action (emblem, action);
g_signal_connect (action, "clicked", G_CALLBACK (on_emblem_clicked), box);
g_signal_connect (action, "long-press", G_CALLBACK (on_emblem_long_press), box);
/* whenever the pointer enters the box, we show the emblem; we hide
* the emblem when the pointer leaves the box
*/
g_signal_connect (box,
"enter-event", G_CALLBACK (on_box_enter),
emblem);
g_signal_connect (box,
"leave-event", G_CALLBACK (on_box_leave),
emblem);
/* a label, that we want to position at the top and center of the box */
label = clutter_text_new ();
clutter_actor_set_name (label, "text");
clutter_text_set_text (CLUTTER_TEXT (label), "A simple test");
clutter_actor_set_x_expand (label, TRUE);
clutter_actor_set_x_align (label, CLUTTER_ACTOR_ALIGN_CENTER);
clutter_actor_set_y_expand (label, TRUE);
clutter_actor_set_y_align (label, CLUTTER_ACTOR_ALIGN_START);
clutter_actor_add_child (box, label);
clutter_main ();
return EXIT_SUCCESS;
}
int
main (int argc, char *argv[])
{
ClutterActor *stage;
ClutterActor *texture;
ClutterActor *overlay;
ClutterAction *click;
GError *error = NULL;
const gchar *filename = "redhand.png";
if (argc > 1)
filename = argv[1];
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_new ();
clutter_actor_set_size (stage, STAGE_SIDE, STAGE_SIDE);
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
texture = clutter_texture_new ();
clutter_texture_set_keep_aspect_ratio (CLUTTER_TEXTURE (texture), TRUE);
clutter_actor_set_reactive (texture, TRUE);
clutter_actor_set_size (texture, RECTANGLE_SIDE, RECTANGLE_SIDE);
clutter_actor_add_constraint (texture, clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.5));
clutter_actor_add_constraint (texture, clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.5));
clutter_texture_set_from_file (CLUTTER_TEXTURE (texture),
filename,
&error);
if (error != NULL)
{
g_warning ("Error loading %s\n%s", filename, error->message);
g_error_free (error);
exit (EXIT_FAILURE);
}
/* overlay is 10px wider and taller than the texture, and centered on it;
* initially, it is transparent; but it is made semi-opaque when the
* texture is clicked
*/
overlay = clutter_rectangle_new_with_color (&overlay_color);
clutter_actor_set_opacity (overlay, OVERLAY_OPACITY_OFF);
clutter_actor_add_constraint (overlay, clutter_bind_constraint_new (texture, CLUTTER_BIND_WIDTH, 10));
clutter_actor_add_constraint (overlay, clutter_bind_constraint_new (texture, CLUTTER_BIND_HEIGHT, 10));
clutter_actor_add_constraint (overlay, clutter_align_constraint_new (texture, CLUTTER_ALIGN_X_AXIS, 0.5));
clutter_actor_add_constraint (overlay, clutter_align_constraint_new (texture, CLUTTER_ALIGN_Y_AXIS, 0.5));
click = clutter_click_action_new ();
clutter_actor_add_action (texture, click);
clutter_container_add (CLUTTER_CONTAINER (stage), texture, overlay, NULL);
clutter_actor_raise_top (overlay);
g_signal_connect (click, "clicked", G_CALLBACK (click_cb), overlay);
g_signal_connect (stage,
"key-press-event",
G_CALLBACK (key_press_cb),
texture);
clutter_actor_show (stage);
clutter_main ();
return EXIT_SUCCESS;
}
G_MODULE_EXPORT int
test_bin_layout_main (int argc, char *argv[])
{
ClutterActor *stage, *box, *rect;
ClutterLayoutManager *layout;
ClutterColor stage_color = { 0xe0, 0xf2, 0xfc, 0xff };
ClutterColor *color;
ClutterAction *action;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_get_default ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Box test");
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
clutter_actor_set_size (stage, 640, 480);
layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
CLUTTER_BIN_ALIGNMENT_CENTER);
box = clutter_box_new (layout);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), box);
clutter_actor_set_anchor_point_from_gravity (box, CLUTTER_GRAVITY_CENTER);
clutter_actor_set_position (box, 320, 240);
clutter_actor_set_reactive (box, TRUE);
clutter_actor_set_name (box, "box");
/* the contents of the texture are created every time the allocation
* of the box changes, to keep the background's size the same as the
* box's size
*/
rect = clutter_cairo_texture_new (100, 100);
/* first method: use clutter_box_pack() */
clutter_box_pack (CLUTTER_BOX (box), rect,
"x-align", CLUTTER_BIN_ALIGNMENT_FILL,
"y-align", CLUTTER_BIN_ALIGNMENT_FILL,
NULL);
clutter_actor_lower_bottom (rect);
clutter_actor_set_name (rect, "background");
g_signal_connect (box, "allocation-changed",
G_CALLBACK (on_box_allocation_changed),
rect);
{
ClutterActor *tex;
GError *error;
gchar *file;
error = NULL;
file = g_build_filename (TESTS_DATADIR, "redhand.png", NULL);
tex = clutter_texture_new_from_file (file, &error);
if (error)
g_error ("Unable to create texture: %s", error->message);
clutter_texture_set_keep_aspect_ratio (CLUTTER_TEXTURE (tex), TRUE);
/* second method: use clutter_bin_layout_add() */
clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (layout), tex,
CLUTTER_BIN_ALIGNMENT_CENTER,
CLUTTER_BIN_ALIGNMENT_CENTER);
clutter_actor_raise (tex, rect);
clutter_actor_set_width (tex, 175);
clutter_actor_set_name (tex, "texture");
g_free (file);
}
color = clutter_color_new (g_random_int_range (0, 255),
g_random_int_range (0, 255),
g_random_int_range (0, 255),
224);
rect = clutter_rectangle_new_with_color (color);
/* third method: container_add() and set_alignment() */
clutter_container_add_actor (CLUTTER_CONTAINER (box), rect);
clutter_bin_layout_set_alignment (CLUTTER_BIN_LAYOUT (layout), rect,
CLUTTER_BIN_ALIGNMENT_END,
CLUTTER_BIN_ALIGNMENT_END);
clutter_actor_set_size (rect, 50, 50);
clutter_actor_set_opacity (rect, 0);
clutter_actor_set_reactive (rect, TRUE);
clutter_actor_raise_top (rect);
clutter_actor_set_name (rect, "emblem");
action = clutter_click_action_new ();
clutter_actor_add_action (rect, action);
g_signal_connect (action, "clicked", G_CALLBACK (on_rect_clicked), box);
g_signal_connect (action, "long-press", G_CALLBACK (on_rect_long_press), box);
g_signal_connect (box,
"enter-event", G_CALLBACK (on_box_enter),
rect);
g_signal_connect (box,
"leave-event", G_CALLBACK (on_box_leave),
rect);
rect = clutter_text_new ();
clutter_text_set_text (CLUTTER_TEXT (rect), "A simple test");
clutter_container_add_actor (CLUTTER_CONTAINER (box), rect);
clutter_bin_layout_set_alignment (CLUTTER_BIN_LAYOUT (layout), rect,
CLUTTER_BIN_ALIGNMENT_CENTER,
CLUTTER_BIN_ALIGNMENT_START);
clutter_actor_raise_top (rect);
clutter_actor_set_name (rect, "text");
clutter_actor_show_all (stage);
clutter_main ();
clutter_color_free (color);
return EXIT_SUCCESS;
}