2 #include <clutter/clutter.h>
4 #include <clutter-gtk/clutter-gtk.h>
14 ClutterActor *clutter_entry;
19 on_gtk_entry_changed (GtkEditable *editable, EventApp *app)
21 const gchar *text = gtk_entry_get_text (GTK_ENTRY (editable));
23 clutter_entry_set_text (CLUTTER_ENTRY (app->clutter_entry), text);
27 on_x_changed (GtkSpinButton *button, EventApp *app)
29 clutter_actor_set_rotation (app->hand, CLUTTER_X_AXIS,
30 gtk_spin_button_get_value (button),
32 clutter_actor_get_height (app->hand) / 2,
37 on_y_changed (GtkSpinButton *button, EventApp *app)
39 clutter_actor_set_rotation (app->hand, CLUTTER_Y_AXIS,
40 gtk_spin_button_get_value (button),
41 clutter_actor_get_width (app->hand) / 2,
47 on_z_changed (GtkSpinButton *button, EventApp *app)
49 clutter_actor_set_rotation (app->hand, CLUTTER_Z_AXIS,
50 gtk_spin_button_get_value (button),
51 clutter_actor_get_width (app->hand) / 2,
52 clutter_actor_get_height (app->hand) / 2,
57 on_opacity_changed (GtkSpinButton *button, EventApp *app)
59 clutter_actor_set_opacity (app->hand, gtk_spin_button_get_value (button));
62 /* Set the clutter colors form the current gtk theme */
64 create_colors (EventApp *app, ClutterColor *stage, ClutterColor *text)
66 gtk_clutter_get_bg_color (app->window, GTK_STATE_NORMAL, stage);
67 gtk_clutter_get_text_color (app->window, GTK_STATE_NORMAL, text);
71 on_stage_capture (ClutterActor *actor,
75 if (event->type == CLUTTER_BUTTON_RELEASE)
79 clutter_event_get_coords (event, &x, &y);
81 g_print ("Event captured at (%d, %d)\n", x, y);
88 on_hand_button_press (ClutterActor *actor,
89 ClutterButtonEvent *event,
92 g_print ("Button press on hand ('%s')\n",
93 g_type_name (G_OBJECT_TYPE (actor)));
99 main (gint argc, gchar **argv)
101 EventApp *app = g_new0 (EventApp, 1);
102 GtkWidget *widget, *vbox, *hbox, *button, *label, *box;
104 GdkPixbuf *pixbuf = NULL;
106 ClutterColor stage_color = {255, 255, 255, 255};
107 ClutterColor text_color = {0, 0, 0, 255};
109 if (gtk_clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
110 g_error ("Unable to initialize GtkClutter");
112 /* Create the inital gtk window and widgets, just like normal */
113 widget = gtk_window_new (GTK_WINDOW_TOPLEVEL);
114 app->window = widget;
115 gtk_window_set_title (GTK_WINDOW (widget), "Gtk-Clutter Interaction demo");
116 gtk_window_set_default_size (GTK_WINDOW (widget), 800, 600);
117 gtk_window_set_resizable (GTK_WINDOW (widget), FALSE);
118 gtk_container_set_border_width (GTK_CONTAINER (widget), 12);
119 g_signal_connect (widget, "destroy", G_CALLBACK (gtk_main_quit), NULL);
121 /* Create our layout box */
122 vbox = gtk_vbox_new (FALSE, 12);
123 gtk_container_add (GTK_CONTAINER (app->window), vbox);
125 widget = gtk_entry_new ();
126 app->gtk_entry = widget;
127 gtk_entry_set_text (GTK_ENTRY (widget), "Enter some text");
128 gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
129 g_signal_connect (widget, "changed", G_CALLBACK (on_gtk_entry_changed), app);
131 hbox = gtk_hbox_new (FALSE, 12);
132 gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
134 /* Set up clutter & create our stage */
135 create_colors (app, &stage_color, &text_color);
136 widget = gtk_clutter_embed_new ();
137 gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
138 app->stage = gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (widget));
139 clutter_stage_set_color (CLUTTER_STAGE (app->stage), &stage_color);
140 gtk_widget_set_size_request (widget, 640, 480);
141 g_signal_connect (app->stage, "captured-event",
142 G_CALLBACK (on_stage_capture),
145 /* Create the main texture that the spin buttons manipulate */
146 pixbuf = gdk_pixbuf_new_from_file ("redhand.png", NULL);
148 g_error ("Unable to load pixbuf\n");
150 actor = gtk_clutter_texture_new_from_pixbuf (pixbuf);
152 clutter_group_add (CLUTTER_GROUP (app->stage), actor);
153 clutter_actor_get_size (actor, &width, &height);
154 clutter_actor_set_position (actor,
155 (CLUTTER_STAGE_WIDTH ()/2) - (width/2),
156 (CLUTTER_STAGE_HEIGHT ()/2) - (height/2));
157 clutter_actor_set_reactive (actor, TRUE);
158 g_signal_connect (actor, "button-press-event",
159 G_CALLBACK (on_hand_button_press),
162 /* Setup the clutter entry */
163 actor = clutter_entry_new_full ("Sans 10", "", &text_color);
164 app->clutter_entry = actor;
165 clutter_group_add (CLUTTER_GROUP (app->stage), actor);
166 clutter_actor_set_position (actor, 0, 0);
167 clutter_actor_set_size (actor, 500, 20);
169 /* Create our adjustment widgets */
170 vbox = gtk_vbox_new (FALSE, 6);
171 gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
173 box = gtk_hbox_new (TRUE, 6);
174 gtk_box_pack_start (GTK_BOX (vbox), box, FALSE, TRUE, 0);
175 label = gtk_label_new ("Rotate x-axis");
176 gtk_box_pack_start (GTK_BOX (box), label, TRUE, TRUE, 0);
177 button = gtk_spin_button_new_with_range (0, 360, 1);
178 gtk_box_pack_start (GTK_BOX (box), button, TRUE, TRUE, 0);
179 g_signal_connect (button, "value-changed", G_CALLBACK (on_x_changed), app);
181 box = gtk_hbox_new (TRUE, 6);
182 gtk_box_pack_start (GTK_BOX (vbox), box, FALSE, TRUE, 0);
183 label = gtk_label_new ("Rotate y-axis");
184 gtk_box_pack_start (GTK_BOX (box), label, TRUE, TRUE, 0);
185 button = gtk_spin_button_new_with_range (0, 360, 1);
186 gtk_box_pack_start (GTK_BOX (box), button, TRUE, TRUE, 0);
187 g_signal_connect (button, "value-changed", G_CALLBACK (on_y_changed), app);
189 box = gtk_hbox_new (TRUE, 6);
190 gtk_box_pack_start (GTK_BOX (vbox), box, FALSE, TRUE, 0);
191 label = gtk_label_new ("Rotate z-axis");
192 gtk_box_pack_start (GTK_BOX (box), label, TRUE, TRUE, 0);
193 button = gtk_spin_button_new_with_range (0, 360, 1);
194 gtk_box_pack_start (GTK_BOX (box), button, TRUE, TRUE, 0);
195 g_signal_connect (button, "value-changed", G_CALLBACK (on_z_changed), app);
197 box = gtk_hbox_new (TRUE, 6);
198 gtk_box_pack_start (GTK_BOX (vbox), box, FALSE, TRUE, 0);
199 label = gtk_label_new ("Adjust opacity");
200 gtk_box_pack_start (GTK_BOX (box), label, TRUE, TRUE, 0);
201 button = gtk_spin_button_new_with_range (0, 255, 1);
202 gtk_spin_button_set_value (GTK_SPIN_BUTTON (button), 255);
203 gtk_box_pack_start (GTK_BOX (box), button, TRUE, TRUE, 0);
204 g_signal_connect (button, "value-changed", G_CALLBACK (on_opacity_changed), app);
206 gtk_widget_show_all (app->window);
208 /* Only show/show_all the stage after parent show. widget_show will call
211 clutter_actor_show_all (app->stage);