315 lines
8.9 KiB
C
315 lines
8.9 KiB
C
/*
|
|
* Copyright 2009 Intel Corporation.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU Lesser General Public License,
|
|
* version 2.1, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT ANY
|
|
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
|
* Boston, MA 02111-1307, USA.
|
|
*
|
|
*/
|
|
#include <stdlib.h>
|
|
#include <clutter/clutter.h>
|
|
|
|
#define INSTRUCTIONS \
|
|
"Press v\t\342\236\236\tSwitch horizontal/vertical\n" \
|
|
"Press h\t\342\236\236\tToggle homogeneous\n" \
|
|
"Press p\t\342\236\236\tToggle pack start/end\n" \
|
|
"Press s\t\342\236\236\tIncrement spacing (up to 12px)\n" \
|
|
"Press +\t\342\236\236\tAdd a new actor\n" \
|
|
"Press a\t\342\236\236\tToggle animations\n" \
|
|
"Press q\t\342\236\236\tQuit"
|
|
|
|
|
|
static const gchar *
|
|
get_align_name (ClutterActorAlign align)
|
|
{
|
|
switch (align)
|
|
{
|
|
case CLUTTER_ACTOR_ALIGN_FILL:
|
|
return "fill";
|
|
|
|
case CLUTTER_ACTOR_ALIGN_START:
|
|
return "start";
|
|
|
|
case CLUTTER_ACTOR_ALIGN_CENTER:
|
|
return "center";
|
|
|
|
case CLUTTER_ACTOR_ALIGN_END:
|
|
return "end";
|
|
|
|
default:
|
|
g_assert_not_reached ();
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
button_release_cb (ClutterActor *rect,
|
|
ClutterEvent *event,
|
|
gpointer user_data)
|
|
{
|
|
ClutterActorAlign x_align, y_align;
|
|
gboolean x_expand, y_expand;
|
|
|
|
g_object_get (rect,
|
|
"x-align", &x_align,
|
|
"y-align", &y_align,
|
|
"x-expand", &x_expand,
|
|
"y-expand", &y_expand,
|
|
NULL);
|
|
|
|
switch (clutter_event_get_button (event))
|
|
{
|
|
case CLUTTER_BUTTON_PRIMARY:
|
|
if (clutter_event_has_shift_modifier (event))
|
|
{
|
|
if (y_align < 3)
|
|
y_align += 1;
|
|
else
|
|
y_align = 0;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
if (x_align < 3)
|
|
x_align += 1;
|
|
else
|
|
x_align = 0;
|
|
}
|
|
break;
|
|
|
|
case CLUTTER_BUTTON_SECONDARY:
|
|
if (clutter_event_has_shift_modifier (event))
|
|
y_expand = !y_expand;
|
|
else
|
|
x_expand = !x_expand;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
g_object_set (rect,
|
|
"x-align", x_align,
|
|
"y-align", y_align,
|
|
"x-expand", x_expand,
|
|
"y-expand", y_expand,
|
|
NULL);
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
changed_cb (ClutterActor *actor,
|
|
GParamSpec *pspec,
|
|
ClutterActor *text)
|
|
{
|
|
ClutterActorAlign x_align, y_align;
|
|
gboolean x_expand, y_expand;
|
|
gchar *label;
|
|
|
|
g_object_get (actor,
|
|
"x-align", &x_align,
|
|
"y-align", &y_align,
|
|
"x-expand", &x_expand,
|
|
"y-expand", &y_expand,
|
|
NULL);
|
|
|
|
label = g_strdup_printf ("%d,%d\n"
|
|
"%s\n%s",
|
|
x_expand, y_expand,
|
|
get_align_name (x_align),
|
|
get_align_name (y_align));
|
|
clutter_text_set_text (CLUTTER_TEXT (text), label);
|
|
g_free (label);
|
|
}
|
|
|
|
static void
|
|
add_actor (ClutterActor *box,
|
|
gint position)
|
|
{
|
|
ClutterActor *rect, *text;
|
|
ClutterColor color;
|
|
ClutterLayoutManager *layout;
|
|
|
|
clutter_color_from_hls (&color,
|
|
g_random_double_range (0.0, 360.0),
|
|
0.5,
|
|
0.5);
|
|
color.alpha = 255;
|
|
|
|
layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
|
|
CLUTTER_BIN_ALIGNMENT_CENTER);
|
|
rect = clutter_actor_new ();
|
|
clutter_actor_set_layout_manager (rect, layout);
|
|
clutter_actor_set_background_color (rect, &color);
|
|
clutter_actor_set_reactive (rect, TRUE);
|
|
clutter_actor_set_size (rect, 32, 64);
|
|
clutter_actor_set_x_expand (rect, TRUE);
|
|
clutter_actor_set_y_expand (rect, TRUE);
|
|
clutter_actor_set_x_align (rect, CLUTTER_ACTOR_ALIGN_CENTER);
|
|
clutter_actor_set_y_align (rect, CLUTTER_ACTOR_ALIGN_CENTER);
|
|
|
|
text = clutter_text_new_with_text ("Sans 8px", NULL);
|
|
clutter_text_set_line_alignment (CLUTTER_TEXT (text),
|
|
PANGO_ALIGN_CENTER);
|
|
clutter_actor_add_child (rect, text);
|
|
|
|
g_signal_connect (rect, "button-release-event",
|
|
G_CALLBACK (button_release_cb), NULL);
|
|
g_signal_connect (rect, "notify::x-expand",
|
|
G_CALLBACK (changed_cb), text);
|
|
g_signal_connect (rect, "notify::y-expand",
|
|
G_CALLBACK (changed_cb), text);
|
|
g_signal_connect (rect, "notify::x-align",
|
|
G_CALLBACK (changed_cb), text);
|
|
g_signal_connect (rect, "notify::y-align",
|
|
G_CALLBACK (changed_cb), text);
|
|
changed_cb (rect, NULL, text);
|
|
|
|
clutter_actor_insert_child_at_index (box, rect, position);
|
|
}
|
|
|
|
static gboolean
|
|
key_release_cb (ClutterActor *stage,
|
|
ClutterEvent *event,
|
|
ClutterActor *box)
|
|
{
|
|
ClutterBoxLayout *layout;
|
|
gboolean toggle;
|
|
guint spacing;
|
|
|
|
layout = CLUTTER_BOX_LAYOUT (clutter_actor_get_layout_manager (box));
|
|
|
|
switch (clutter_event_get_key_symbol (event))
|
|
{
|
|
case CLUTTER_KEY_a:
|
|
{
|
|
ClutterActorIter iter;
|
|
ClutterActor *child;
|
|
|
|
clutter_actor_iter_init (&iter, box);
|
|
while (clutter_actor_iter_next (&iter, &child))
|
|
{
|
|
guint duration;
|
|
|
|
duration = clutter_actor_get_easing_duration (child);
|
|
if (duration != 0)
|
|
duration = 0;
|
|
else
|
|
duration = 250;
|
|
|
|
clutter_actor_set_easing_duration (child, duration);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case CLUTTER_KEY_v:
|
|
{
|
|
ClutterOrientation orientation;
|
|
|
|
orientation = clutter_box_layout_get_orientation (layout);
|
|
|
|
if (orientation == CLUTTER_ORIENTATION_HORIZONTAL)
|
|
orientation = CLUTTER_ORIENTATION_VERTICAL;
|
|
else
|
|
orientation = CLUTTER_ORIENTATION_HORIZONTAL;
|
|
|
|
clutter_box_layout_set_orientation (layout, orientation);
|
|
}
|
|
break;
|
|
|
|
case CLUTTER_KEY_h:
|
|
toggle = clutter_box_layout_get_homogeneous (layout);
|
|
clutter_box_layout_set_homogeneous (layout, !toggle);
|
|
break;
|
|
|
|
case CLUTTER_KEY_p:
|
|
toggle = clutter_box_layout_get_pack_start (layout);
|
|
clutter_box_layout_set_pack_start (layout, !toggle);
|
|
break;
|
|
|
|
case CLUTTER_KEY_s:
|
|
spacing = clutter_box_layout_get_spacing (layout);
|
|
|
|
if (spacing > 12)
|
|
spacing = 0;
|
|
else
|
|
spacing++;
|
|
|
|
clutter_box_layout_set_spacing (layout, spacing);
|
|
break;
|
|
|
|
case CLUTTER_KEY_plus:
|
|
add_actor (box, g_random_int_range (0, clutter_actor_get_n_children (box)));
|
|
break;
|
|
|
|
case CLUTTER_KEY_q:
|
|
clutter_main_quit ();
|
|
break;
|
|
|
|
default:
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
ClutterActor *stage, *box, *instructions;
|
|
ClutterLayoutManager *layout;
|
|
gint i;
|
|
|
|
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
|
|
return EXIT_FAILURE;
|
|
|
|
stage = clutter_stage_new ();
|
|
clutter_stage_set_title (CLUTTER_STAGE (stage), "Box Layout");
|
|
clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
|
|
|
|
/* make the stage a vbox */
|
|
layout = clutter_box_layout_new ();
|
|
clutter_box_layout_set_orientation (CLUTTER_BOX_LAYOUT (layout),
|
|
CLUTTER_ORIENTATION_VERTICAL);
|
|
clutter_actor_set_layout_manager (stage, layout);
|
|
|
|
box = clutter_actor_new ();
|
|
clutter_actor_set_background_color (box, CLUTTER_COLOR_LightGray);
|
|
clutter_actor_set_x_expand (box, TRUE);
|
|
clutter_actor_set_y_expand (box, TRUE);
|
|
layout = clutter_box_layout_new ();
|
|
clutter_actor_set_layout_manager (box, layout);
|
|
clutter_actor_add_child (stage, box);
|
|
|
|
instructions = clutter_text_new_with_text ("Sans 12px", INSTRUCTIONS);
|
|
clutter_actor_set_x_expand (instructions, TRUE);
|
|
clutter_actor_set_y_expand (instructions, FALSE);
|
|
clutter_actor_set_x_align (instructions, CLUTTER_ACTOR_ALIGN_START);
|
|
clutter_actor_set_margin_top (instructions, 4);
|
|
clutter_actor_set_margin_left (instructions, 4);
|
|
clutter_actor_set_margin_bottom (instructions, 4);
|
|
clutter_actor_add_child (stage, instructions);
|
|
|
|
for (i = 0; i < 5; i++)
|
|
add_actor (box, i);
|
|
|
|
g_signal_connect (stage, "destroy",
|
|
G_CALLBACK (clutter_main_quit), NULL);
|
|
g_signal_connect (stage, "key-release-event",
|
|
G_CALLBACK (key_release_cb), box);
|
|
|
|
clutter_actor_show (stage);
|
|
clutter_main ();
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|