Move scroll actor test to the examples

Nothing specific to test, and the code is idiomatic enough to be used as
an example.
This commit is contained in:
Emmanuele Bassi 2012-05-16 16:12:20 +01:00
parent 06d1398592
commit c9028cee48
4 changed files with 32 additions and 10 deletions

View File

@ -36,6 +36,14 @@
* #ClutterScrollActor does not provide pointer or keyboard event handling,
* nor does it provide visible scroll handles.
*
* <informalexample>
* <programlisting>
* <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" parse="text" href="../../../../examples/scroll-actor.c">
* <xi:fallback>FIXME: MISSING XINCLUDE CONTENT</xi:fallback>
* </xi:include>
* </programlisting>
* </informalexample>
*
* #ClutterScrollActor is available since Clutter 1.12.
*/

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@ -10,6 +10,7 @@ all_examples = \
flow-layout \
layout-manager \
rounded-rectangle \
scroll-actor \
threads
if PIXBUF_TESTS

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@ -1,6 +1,5 @@
#include <stdlib.h>
#include <glib.h>
#include <gmodule.h>
#include <clutter/clutter.h>
static const char *menu_items_name[] = {
@ -36,6 +35,7 @@ select_item_at_index (ClutterActor *scroll,
clutter_text_set_color (CLUTTER_TEXT (item), CLUTTER_COLOR_White);
}
/* wrap around the index */
if (index_ < 0)
index_ = clutter_actor_get_n_children (menu) - 1;
else if (index_ >= clutter_actor_get_n_children (menu))
@ -44,12 +44,21 @@ select_item_at_index (ClutterActor *scroll,
item = clutter_actor_get_child_at_index (menu, index_);
clutter_actor_get_position (item, &point.x, &point.y);
/* scroll to the actor's position; the menu actor is always set at (0, 0),
* so it does not contribute any further offset, and we can use the position
* of its children to ask the ScrollActor to scroll the visible region; if
* the menu actor had an offset, or was transformed, we would have needed to
* get their relative transformed position instead.
*/
clutter_actor_save_easing_state (scroll);
clutter_scroll_actor_scroll_to_point (CLUTTER_SCROLL_ACTOR (scroll), &point);
clutter_actor_restore_easing_state (scroll);
clutter_text_set_color (CLUTTER_TEXT (item), CLUTTER_COLOR_LightSkyBlue);
/* store the index of the currently selected item, so that we can
* implement select_next_item() and select_prev_item()
*/
g_object_set_data (G_OBJECT (scroll), "selected-item",
GINT_TO_POINTER (index_));
}
@ -92,6 +101,7 @@ create_menu_actor (ClutterActor *scroll)
ClutterLayoutManager *layout_manager;
guint i;
/* this is our menu; it contains items in a vertical layout */
layout_manager = clutter_box_layout_new ();
clutter_box_layout_set_orientation (CLUTTER_BOX_LAYOUT (layout_manager),
CLUTTER_ORIENTATION_VERTICAL);
@ -101,6 +111,7 @@ create_menu_actor (ClutterActor *scroll)
clutter_actor_set_layout_manager (menu, layout_manager);
clutter_actor_set_background_color (menu, CLUTTER_COLOR_Black);
/* these are the items */
for (i = 0; i < menu_items_len; i++)
clutter_actor_add_child (menu, create_menu_item (menu_items_name[i]));
@ -112,18 +123,26 @@ create_scroll_actor (ClutterActor *stage)
{
ClutterActor *scroll;
/* our scrollable viewport */
scroll = clutter_scroll_actor_new ();
clutter_actor_set_name (scroll, "scroll");
/* give a vertical offset, and constrain the viewport so that its size
* is bound to the stage size
*/
clutter_actor_set_position (scroll, 0.f, 18.f);
clutter_actor_add_constraint (scroll, clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.5));
clutter_actor_add_constraint (scroll, clutter_bind_constraint_new (stage, CLUTTER_BIND_HEIGHT, -36.f));
/* we only want to scroll the contents vertically, and
* ignore any horizontal component
*/
clutter_scroll_actor_set_scroll_mode (CLUTTER_SCROLL_ACTOR (scroll),
CLUTTER_SCROLL_VERTICALLY);
clutter_actor_add_child (scroll, create_menu_actor (scroll));
/* select the first item */
select_item_at_index (scroll, 0);
return scroll;
@ -149,20 +168,15 @@ on_key_press (ClutterActor *stage,
return CLUTTER_EVENT_STOP;
}
G_MODULE_EXPORT const char *
test_scroll_actor_describe (void)
{
return "Scrolling actor example.";
}
G_MODULE_EXPORT int
test_scroll_actor_main (int argc, char *argv[])
int
main (int argc, char *argv[])
{
ClutterActor *stage;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return EXIT_FAILURE;
/* create a new stage */
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Scroll Actor");
clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);

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@ -49,7 +49,6 @@ UNIT_TESTS = \
test-devices.c \
test-content.c \
test-keyframe-transition.c \
test-scroll-actor.c \
test-bind-constraint.c
if X11_TESTS