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cookbook: Simplified ClutterScript example

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There was too much in the example code to cover in a single
recipe, so I trimmed it down to demonstrate simple
UI building (no constraints, effects, animations, or signals).
This commit is contained in:
Elliot Smith 2010-08-26 10:52:12 +01:00
parent 4cba0cf3e8
commit 27d9825abe
2 changed files with 8 additions and 112 deletions
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35
doc/cookbook/examples/script-ui.c
View File

@ -1,44 +1,12 @@
#include <stdlib.h>
#include <clutter/clutter.h>
gboolean
_pointer_motion_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer user_data)
{
g_debug ("Pointer movement");
return TRUE;
}
void
_button_clicked_cb (ClutterClickAction *action,
ClutterActor *actor,
gpointer user_data)
{
/* get the UI definition passed to the handler */
ClutterScript *ui = CLUTTER_SCRIPT (user_data);
ClutterState *transitions;
clutter_script_get_objects (ui,
"transitions", &transitions,
NULL);
clutter_state_set_state (transitions, "faded-in");
}
int
main (int argc, char *argv[])
{
g_thread_init (NULL);
clutter_init (&argc, &argv);
/* path to the directory containing assets (e.g. images) for the script to load */
const gchar *paths[] = { TESTS_DATA_DIR };
ClutterScript *ui = clutter_script_new ();
clutter_script_add_search_paths (ui, paths, 1);
gchar *filename = "script-ui.json";
GError *error = NULL;
@ -58,9 +26,6 @@ main (int argc, char *argv[])
"stage", &stage,
NULL);
/* make the objects in the script available to all signals */
clutter_script_connect_signals (ui, ui);
clutter_actor_show (stage);
clutter_main ();

85
doc/cookbook/examples/script-ui.json
View File

@ -12,6 +12,8 @@
{
"id" : "box",
"type" : "ClutterBox",
"width" : 400,
"height" : 400,
"layout-manager" : {
"type" : "ClutterBinLayout",
@ -19,84 +21,13 @@
"y-align" : "CLUTTER_BIN_ALIGNMENT_CENTER"
},
"constraints" : [
"children" : [
{
"type" : "ClutterAlignConstraint",
"align-axis" : "CLUTTER_ALIGN_X_AXIS",
"factor" : 0.5,
"source" : "stage"
},
{
"type" : "ClutterAlignConstraint",
"align-axis" : "CLUTTER_ALIGN_Y_AXIS",
"factor" : 0.5,
"source" : "stage"
}
],
"children" : [ "texture1", "texture2" ]
},
{
"id" : "texture1",
"type" : "ClutterTexture",
"width" : 200,
"keep-aspect-ratio" : true,
"filename" : "redhand.png",
"load-async" : true,
"reactive" : true,
"signals" : [
{ "name" : "motion-event", "handler" : "_pointer_motion_cb" }
],
"actions" : [
{
"type" : "ClutterClickAction",
"signals" : [
{ "name" : "clicked", "handler" : "_button_clicked_cb" }
]
}
]
},
{
"id" : "texture2",
"type" : "ClutterTexture",
"filename" : "redhand.png",
"load-async" : true,
"rotation-center-z-gravity" : "CLUTTER_GRAVITY_CENTER",
"layout::x-align" : "CLUTTER_BIN_ALIGNMENT_FILL",
"layout::y-align" : "CLUTTER_BIN_ALIGNMENT_FILL",
"effects" : [
{ "type" : "ClutterColorizeEffect", "tint" : "blue" }
]
},
{
"id" : "transitions",
"type" : "ClutterState",
"duration" : 2000,
"state" : "faded-out",
"transitions" : [
{
"source" : null,
"target" : "faded-out",
"keys" : [
[ "texture2", "opacity", "linear", 0 ]
]
},
{
"source" : null,
"target" : "faded-in",
"keys" : [
[ "texture1", "opacity", "linear", 0 ],
[ "texture2", "opacity", "linear", 255 ],
[ "texture2", "rotation-angle-z", "linear", 90.0 ]
]
"id" : "rectangle",
"type" : "ClutterRectangle",
"width" : 200,
"height" : 200,
"color" : "red"
}
]
}