mirror of
https://github.com/brl/mutter.git
synced 2024-12-27 05:12:15 +00:00
2d99f77e3b
The :sync-size property of ClutterTexture should be set to FALSE by default by ClutterCairoTexture. The preferred size of the ClutterCairoTexture is already the size of the internal Cairo surface, and we override the preferred width/height getters to that effect. The :sync-size property is also responsible of changing the size of the Texture actor when changing the texture handle - but since we encourage that to happen during the CairoTexture allocation, we get a queue_relayout() invocation (and a warning) when we change the size of the Cairo image surface. Since GObject doesn't make it easy to override the default value of the :sync-size property in sub-classes, we should simply call the setter function during the ClutterCairoTexture instance initialization. We should also change one of the interactive tests using a CairoTexture to rebuild the contents of the actor in response to an allocation.
237 lines
7.4 KiB
C
237 lines
7.4 KiB
C
#include <stdlib.h>
|
|
#include <gmodule.h>
|
|
#include <cairo/cairo.h>
|
|
#include <clutter/clutter.h>
|
|
|
|
static const ClutterColor bg_color = { 0xcc, 0xcc, 0xcc, 0x99 };
|
|
|
|
static void
|
|
update_background (ClutterActor *tex,
|
|
const ClutterColor *color,
|
|
gfloat width,
|
|
gfloat height)
|
|
{
|
|
cairo_t *cr = clutter_cairo_texture_create (CLUTTER_CAIRO_TEXTURE (tex));
|
|
cairo_pattern_t *pat;
|
|
gfloat x, y;
|
|
|
|
#define BG_ROUND_RADIUS 12
|
|
|
|
x = y = 0;
|
|
|
|
cairo_move_to (cr, BG_ROUND_RADIUS, y);
|
|
cairo_line_to (cr, width - BG_ROUND_RADIUS, y);
|
|
cairo_curve_to (cr, width, y, width, y, width, BG_ROUND_RADIUS);
|
|
cairo_line_to (cr, width, height - BG_ROUND_RADIUS);
|
|
cairo_curve_to (cr, width, height, width, height, width - BG_ROUND_RADIUS, height);
|
|
cairo_line_to (cr, BG_ROUND_RADIUS, height);
|
|
cairo_curve_to (cr, x, height, x, height, x, height - BG_ROUND_RADIUS);
|
|
cairo_line_to (cr, x, BG_ROUND_RADIUS);
|
|
cairo_curve_to (cr, x, y, x, y, BG_ROUND_RADIUS, y);
|
|
|
|
cairo_close_path (cr);
|
|
|
|
clutter_cairo_set_source_color (cr, color);
|
|
cairo_stroke (cr);
|
|
|
|
x += 4;
|
|
y += 4;
|
|
width -= 4;
|
|
height -= 4;
|
|
|
|
cairo_move_to (cr, BG_ROUND_RADIUS, y);
|
|
cairo_line_to (cr, width - BG_ROUND_RADIUS, y);
|
|
cairo_curve_to (cr, width, y, width, y, width, BG_ROUND_RADIUS);
|
|
cairo_line_to (cr, width, height - BG_ROUND_RADIUS);
|
|
cairo_curve_to (cr, width, height, width, height, width - BG_ROUND_RADIUS, height);
|
|
cairo_line_to (cr, BG_ROUND_RADIUS, height);
|
|
cairo_curve_to (cr, x, height, x, height, x, height - BG_ROUND_RADIUS);
|
|
cairo_line_to (cr, x, BG_ROUND_RADIUS);
|
|
cairo_curve_to (cr, x, y, x, y, BG_ROUND_RADIUS, y);
|
|
|
|
cairo_close_path (cr);
|
|
|
|
pat = cairo_pattern_create_linear (0, 0, 0, height);
|
|
cairo_pattern_add_color_stop_rgba (pat, 1, .85, .85, .85, 1);
|
|
cairo_pattern_add_color_stop_rgba (pat, .95, 1, 1, 1, 1);
|
|
cairo_pattern_add_color_stop_rgba (pat, .05, 1, 1, 1, 1);
|
|
cairo_pattern_add_color_stop_rgba (pat, 0, .85, .85, .85, 1);
|
|
|
|
cairo_set_source (cr, pat);
|
|
cairo_fill (cr);
|
|
|
|
cairo_pattern_destroy (pat);
|
|
cairo_destroy (cr);
|
|
|
|
#undef BG_ROUND_RADIUS
|
|
}
|
|
|
|
static gboolean
|
|
on_box_enter (ClutterActor *box,
|
|
ClutterEvent *event,
|
|
ClutterActor *emblem)
|
|
{
|
|
clutter_actor_animate (emblem, CLUTTER_LINEAR, 150,
|
|
"opacity", 255,
|
|
NULL);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
on_box_leave (ClutterActor *box,
|
|
ClutterEvent *event,
|
|
ClutterActor *emblem)
|
|
{
|
|
clutter_actor_animate (emblem, CLUTTER_LINEAR, 150,
|
|
"opacity", 0,
|
|
NULL);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
on_rect_clicked (ClutterClickAction *action,
|
|
ClutterActor *rect,
|
|
ClutterActor *box)
|
|
{
|
|
static gboolean is_expanded = FALSE;
|
|
|
|
if (!is_expanded)
|
|
clutter_actor_animate (box, CLUTTER_EASE_OUT_BOUNCE, 250,
|
|
"width", 400.0,
|
|
"height", 400.0,
|
|
NULL);
|
|
else
|
|
clutter_actor_animate (box, CLUTTER_EASE_OUT_BOUNCE, 250,
|
|
"width", 200.0,
|
|
"height", 200.0,
|
|
NULL);
|
|
|
|
is_expanded = !is_expanded;
|
|
}
|
|
|
|
static void
|
|
on_box_allocation_changed (ClutterActor *box,
|
|
const ClutterActorBox *allocation,
|
|
ClutterAllocationFlags flags,
|
|
ClutterActor *background)
|
|
{
|
|
gfloat new_width, new_height;
|
|
|
|
clutter_actor_box_get_size (allocation, &new_width, &new_height);
|
|
clutter_cairo_texture_set_surface_size (CLUTTER_CAIRO_TEXTURE (background),
|
|
new_width,
|
|
new_height);
|
|
|
|
update_background (background, &bg_color, new_width, new_height);
|
|
}
|
|
|
|
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;
|
|
|
|
clutter_init (&argc, &argv);
|
|
|
|
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 (box,
|
|
"enter-event", G_CALLBACK (on_box_enter),
|
|
rect);
|
|
g_signal_connect (box,
|
|
"leave-event", G_CALLBACK (on_box_leave),
|
|
rect);
|
|
|
|
clutter_actor_show_all (stage);
|
|
|
|
clutter_main ();
|
|
|
|
clutter_color_free (color);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|