2017-01-07 00:59:23 +00:00
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/* GTK - The GIMP Toolkit
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* Copyright (C) 2017 Benjamin Otte <otte@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gtkfishbowl.h"
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typedef struct _GtkFishbowlPrivate GtkFishbowlPrivate;
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typedef struct _GtkFishbowlChild GtkFishbowlChild;
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struct _GtkFishbowlPrivate
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{
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2018-04-24 18:32:57 +00:00
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GtkFishCreationFunc creation_func;
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2020-06-04 10:06:42 +00:00
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GHashTable *children;
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2017-01-07 00:59:23 +00:00
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guint count;
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gint64 last_frame_time;
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2018-04-24 17:04:44 +00:00
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gint64 update_delay;
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2017-01-07 00:59:23 +00:00
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guint tick_id;
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2017-06-29 10:18:40 +00:00
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2018-04-24 17:04:44 +00:00
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double framerate;
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int last_benchmark_change;
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guint benchmark : 1;
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2017-01-07 00:59:23 +00:00
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};
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struct _GtkFishbowlChild
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{
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GtkWidget *widget;
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double x;
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double y;
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double dx;
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double dy;
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};
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enum {
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PROP_0,
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PROP_ANIMATING,
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2018-04-24 17:04:44 +00:00
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PROP_BENCHMARK,
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2017-01-07 00:59:23 +00:00
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PROP_COUNT,
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2018-04-24 17:04:44 +00:00
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PROP_FRAMERATE,
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PROP_UPDATE_DELAY,
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2017-01-07 00:59:23 +00:00
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NUM_PROPERTIES
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};
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static GParamSpec *props[NUM_PROPERTIES] = { NULL, };
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2018-04-24 18:32:57 +00:00
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G_DEFINE_TYPE_WITH_PRIVATE (GtkFishbowl, gtk_fishbowl, GTK_TYPE_WIDGET)
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2017-01-07 00:59:23 +00:00
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static void
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gtk_fishbowl_init (GtkFishbowl *fishbowl)
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{
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2018-04-24 17:04:44 +00:00
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GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
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priv->update_delay = G_USEC_PER_SEC;
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2020-06-04 10:06:42 +00:00
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priv->children = g_hash_table_new_full (NULL, NULL,
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NULL, (GDestroyNotify) g_free);
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2017-01-07 00:59:23 +00:00
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}
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/**
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* gtk_fishbowl_new:
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*
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* Creates a new #GtkFishbowl.
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*
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* Returns: a new #GtkFishbowl.
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*/
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GtkWidget*
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gtk_fishbowl_new (void)
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{
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return g_object_new (GTK_TYPE_FISHBOWL, NULL);
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}
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static void
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gtk_fishbowl_measure (GtkWidget *widget,
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GtkOrientation orientation,
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int for_size,
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int *minimum,
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int *natural,
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int *minimum_baseline,
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int *natural_baseline)
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{
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GtkFishbowl *fishbowl = GTK_FISHBOWL (widget);
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GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
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2020-06-04 10:06:42 +00:00
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GHashTableIter iter;
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gpointer key, value;
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2017-01-07 00:59:23 +00:00
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GtkFishbowlChild *child;
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gint child_min, child_nat;
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*minimum = 0;
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*natural = 0;
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2020-06-04 10:06:42 +00:00
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g_hash_table_iter_init (&iter, priv->children);
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while (g_hash_table_iter_next (&iter, &key, &value))
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2017-01-07 00:59:23 +00:00
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{
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2020-06-04 10:06:42 +00:00
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child = value;
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2017-01-07 00:59:23 +00:00
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2017-11-24 11:50:47 +00:00
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if (orientation == GTK_ORIENTATION_HORIZONTAL)
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{
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gtk_widget_measure (child->widget, orientation, -1, &child_min, &child_nat, NULL, NULL);
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}
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else
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{
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int min_width;
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gtk_widget_measure (child->widget, GTK_ORIENTATION_HORIZONTAL, -1, &min_width, NULL, NULL, NULL);
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gtk_widget_measure (child->widget, orientation, min_width, &child_min, &child_nat, NULL, NULL);
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}
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2017-01-07 00:59:23 +00:00
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*minimum = MAX (*minimum, child_min);
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*natural = MAX (*natural, child_nat);
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}
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}
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static void
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2018-08-16 04:53:03 +00:00
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gtk_fishbowl_size_allocate (GtkWidget *widget,
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int width,
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int height,
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int baseline)
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2017-01-07 00:59:23 +00:00
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{
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GtkFishbowl *fishbowl = GTK_FISHBOWL (widget);
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GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
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GtkFishbowlChild *child;
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GtkAllocation child_allocation;
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GtkRequisition child_requisition;
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2020-06-04 10:06:42 +00:00
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GHashTableIter iter;
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gpointer key, value;
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2017-01-07 00:59:23 +00:00
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2020-06-04 10:06:42 +00:00
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g_hash_table_iter_init (&iter, priv->children);
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while (g_hash_table_iter_next (&iter, &key, &value))
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2017-01-07 00:59:23 +00:00
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{
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2020-06-04 10:06:42 +00:00
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child = value;
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2017-01-07 00:59:23 +00:00
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gtk_widget_get_preferred_size (child->widget, &child_requisition, NULL);
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2018-08-16 04:53:03 +00:00
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child_allocation.x = round (child->x * (width - child_requisition.width));
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child_allocation.y = round (child->y * (height - child_requisition.height));
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2017-01-07 00:59:23 +00:00
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child_allocation.width = child_requisition.width;
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child_allocation.height = child_requisition.height;
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2018-03-31 19:02:28 +00:00
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gtk_widget_size_allocate (child->widget, &child_allocation, -1);
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2017-01-07 00:59:23 +00:00
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}
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}
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static double
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new_speed (void)
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{
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/* 5s to 50s to cross screen seems fair */
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return g_random_double_range (0.02, 0.2);
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}
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static void
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2018-04-24 18:32:57 +00:00
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gtk_fishbowl_add (GtkFishbowl *fishbowl,
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GtkWidget *widget)
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2017-01-07 00:59:23 +00:00
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{
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GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
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GtkFishbowlChild *child_info;
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g_return_if_fail (GTK_IS_FISHBOWL (fishbowl));
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g_return_if_fail (GTK_IS_WIDGET (widget));
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child_info = g_new0 (GtkFishbowlChild, 1);
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child_info->widget = widget;
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child_info->x = 0;
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child_info->y = 0;
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child_info->dx = new_speed ();
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child_info->dy = new_speed ();
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gtk_widget_set_parent (widget, GTK_WIDGET (fishbowl));
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2020-06-04 10:06:42 +00:00
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g_hash_table_insert (priv->children, widget, child_info);
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2017-01-07 00:59:23 +00:00
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priv->count++;
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g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_COUNT]);
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}
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static void
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2018-04-24 18:32:57 +00:00
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gtk_fishbowl_remove (GtkFishbowl *fishbowl,
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GtkWidget *widget)
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2017-01-07 00:59:23 +00:00
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{
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GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
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2020-06-04 10:06:42 +00:00
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if (g_hash_table_remove (priv->children, widget))
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2017-01-07 00:59:23 +00:00
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{
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2020-06-04 10:06:42 +00:00
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gtk_widget_unparent (widget);
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2017-01-07 00:59:23 +00:00
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2020-06-04 10:06:42 +00:00
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priv->count--;
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g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_COUNT]);
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}
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}
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2017-01-07 00:59:23 +00:00
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2020-06-04 10:06:42 +00:00
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static void
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gtk_fishbowl_finalize (GObject *object)
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{
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GtkFishbowl *fishbowl = GTK_FISHBOWL (object);
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GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
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2017-01-07 00:59:23 +00:00
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2020-06-04 10:06:42 +00:00
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g_hash_table_destroy (priv->children);
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priv->children = NULL;
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2017-01-07 00:59:23 +00:00
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}
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static void
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gtk_fishbowl_dispose (GObject *object)
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{
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GtkFishbowl *fishbowl = GTK_FISHBOWL (object);
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gtk_fishbowl_set_animating (fishbowl, FALSE);
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gtk_fishbowl_set_count (fishbowl, 0);
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G_OBJECT_CLASS (gtk_fishbowl_parent_class)->dispose (object);
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}
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static void
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gtk_fishbowl_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkFishbowl *fishbowl = GTK_FISHBOWL (object);
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switch (prop_id)
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{
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case PROP_ANIMATING:
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gtk_fishbowl_set_animating (fishbowl, g_value_get_boolean (value));
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break;
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2018-04-24 17:04:44 +00:00
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case PROP_BENCHMARK:
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gtk_fishbowl_set_benchmark (fishbowl, g_value_get_boolean (value));
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break;
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2017-01-07 00:59:23 +00:00
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case PROP_COUNT:
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gtk_fishbowl_set_count (fishbowl, g_value_get_uint (value));
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break;
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2018-04-24 17:04:44 +00:00
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case PROP_UPDATE_DELAY:
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gtk_fishbowl_set_update_delay (fishbowl, g_value_get_int64 (value));
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break;
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2017-01-07 00:59:23 +00:00
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_fishbowl_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkFishbowl *fishbowl = GTK_FISHBOWL (object);
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switch (prop_id)
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{
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case PROP_ANIMATING:
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g_value_set_boolean (value, gtk_fishbowl_get_animating (fishbowl));
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break;
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2018-04-24 17:04:44 +00:00
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case PROP_BENCHMARK:
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g_value_set_boolean (value, gtk_fishbowl_get_benchmark (fishbowl));
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break;
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2017-01-07 00:59:23 +00:00
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case PROP_COUNT:
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g_value_set_uint (value, gtk_fishbowl_get_count (fishbowl));
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break;
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2018-04-24 17:04:44 +00:00
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case PROP_FRAMERATE:
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g_value_set_double (value, gtk_fishbowl_get_framerate (fishbowl));
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break;
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case PROP_UPDATE_DELAY:
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g_value_set_int64 (value, gtk_fishbowl_get_update_delay (fishbowl));
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break;
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2017-01-07 00:59:23 +00:00
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_fishbowl_class_init (GtkFishbowlClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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2020-06-04 10:06:42 +00:00
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object_class->finalize = gtk_fishbowl_finalize;
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2017-01-07 00:59:23 +00:00
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object_class->dispose = gtk_fishbowl_dispose;
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object_class->set_property = gtk_fishbowl_set_property;
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object_class->get_property = gtk_fishbowl_get_property;
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widget_class->measure = gtk_fishbowl_measure;
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widget_class->size_allocate = gtk_fishbowl_size_allocate;
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props[PROP_ANIMATING] =
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g_param_spec_boolean ("animating",
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"animating",
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"Whether children are moving around",
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FALSE,
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G_PARAM_READWRITE);
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2018-04-24 17:04:44 +00:00
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props[PROP_BENCHMARK] =
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g_param_spec_boolean ("benchmark",
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"Benchmark",
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"Adapt the count property to hit the maximum framerate",
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FALSE,
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G_PARAM_READWRITE);
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2017-01-07 00:59:23 +00:00
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props[PROP_COUNT] =
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g_param_spec_uint ("count",
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"Count",
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"Number of widgets",
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0, G_MAXUINT,
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0,
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2018-04-24 17:04:44 +00:00
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G_PARAM_READWRITE);
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props[PROP_FRAMERATE] =
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g_param_spec_double ("framerate",
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"Framerate",
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"Framerate of this widget in frames per second",
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0, G_MAXDOUBLE,
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|
|
0,
|
|
|
|
G_PARAM_READABLE);
|
|
|
|
|
|
|
|
props[PROP_UPDATE_DELAY] =
|
|
|
|
g_param_spec_int64 ("update-delay",
|
|
|
|
"Update delay",
|
|
|
|
"Number of usecs between updates",
|
|
|
|
0, G_MAXINT64,
|
|
|
|
G_USEC_PER_SEC,
|
|
|
|
G_PARAM_READWRITE);
|
2017-01-07 00:59:23 +00:00
|
|
|
|
|
|
|
g_object_class_install_properties (object_class, NUM_PROPERTIES, props);
|
|
|
|
}
|
|
|
|
|
|
|
|
guint
|
|
|
|
gtk_fishbowl_get_count (GtkFishbowl *fishbowl)
|
|
|
|
{
|
|
|
|
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
|
|
|
|
|
|
|
|
return priv->count;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
gtk_fishbowl_set_count (GtkFishbowl *fishbowl,
|
|
|
|
guint count)
|
|
|
|
{
|
|
|
|
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
|
|
|
|
|
2018-04-24 18:32:57 +00:00
|
|
|
if (priv->count == count)
|
|
|
|
return;
|
|
|
|
|
2017-01-07 00:59:23 +00:00
|
|
|
g_object_freeze_notify (G_OBJECT (fishbowl));
|
|
|
|
|
|
|
|
while (priv->count > count)
|
|
|
|
{
|
2018-04-24 18:32:57 +00:00
|
|
|
gtk_fishbowl_remove (fishbowl, gtk_widget_get_first_child (GTK_WIDGET (fishbowl)));
|
2017-01-07 00:59:23 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
while (priv->count < count)
|
|
|
|
{
|
|
|
|
GtkWidget *new_widget;
|
2017-06-29 10:18:40 +00:00
|
|
|
|
2018-04-24 18:32:57 +00:00
|
|
|
new_widget = priv->creation_func ();
|
2017-06-29 10:18:40 +00:00
|
|
|
|
2018-04-24 18:32:57 +00:00
|
|
|
gtk_fishbowl_add (fishbowl, new_widget);
|
2017-01-07 00:59:23 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
g_object_thaw_notify (G_OBJECT (fishbowl));
|
|
|
|
}
|
|
|
|
|
2018-04-24 17:04:44 +00:00
|
|
|
gboolean
|
|
|
|
gtk_fishbowl_get_benchmark (GtkFishbowl *fishbowl)
|
|
|
|
{
|
|
|
|
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
|
|
|
|
|
|
|
|
return priv->benchmark;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
gtk_fishbowl_set_benchmark (GtkFishbowl *fishbowl,
|
|
|
|
gboolean benchmark)
|
|
|
|
{
|
|
|
|
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
|
|
|
|
|
|
|
|
if (priv->benchmark == benchmark)
|
|
|
|
return;
|
|
|
|
|
|
|
|
priv->benchmark = benchmark;
|
|
|
|
if (!benchmark)
|
|
|
|
priv->last_benchmark_change = 0;
|
|
|
|
|
|
|
|
g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_BENCHMARK]);
|
|
|
|
}
|
|
|
|
|
2017-01-07 00:59:23 +00:00
|
|
|
gboolean
|
|
|
|
gtk_fishbowl_get_animating (GtkFishbowl *fishbowl)
|
|
|
|
{
|
|
|
|
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
|
|
|
|
|
|
|
|
return priv->tick_id != 0;
|
|
|
|
}
|
|
|
|
|
2018-04-24 17:04:44 +00:00
|
|
|
static gint64
|
|
|
|
guess_refresh_interval (GdkFrameClock *frame_clock)
|
|
|
|
{
|
|
|
|
gint64 interval;
|
|
|
|
gint64 i;
|
|
|
|
|
|
|
|
interval = G_MAXINT64;
|
|
|
|
|
|
|
|
for (i = gdk_frame_clock_get_history_start (frame_clock);
|
|
|
|
i < gdk_frame_clock_get_frame_counter (frame_clock);
|
|
|
|
i++)
|
|
|
|
{
|
|
|
|
GdkFrameTimings *t, *before;
|
|
|
|
gint64 ts, before_ts;
|
|
|
|
|
|
|
|
t = gdk_frame_clock_get_timings (frame_clock, i);
|
|
|
|
before = gdk_frame_clock_get_timings (frame_clock, i - 1);
|
|
|
|
if (t == NULL || before == NULL)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
ts = gdk_frame_timings_get_frame_time (t);
|
|
|
|
before_ts = gdk_frame_timings_get_frame_time (before);
|
|
|
|
if (ts == 0 || before_ts == 0)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
interval = MIN (interval, ts - before_ts);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (interval == G_MAXINT64)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
return interval;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gtk_fishbowl_do_update (GtkFishbowl *fishbowl)
|
|
|
|
{
|
|
|
|
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
|
|
|
|
GdkFrameClock *frame_clock;
|
|
|
|
GdkFrameTimings *start, *end;
|
|
|
|
gint64 start_counter, end_counter;
|
|
|
|
gint64 n_frames, expected_frames;
|
|
|
|
gint64 start_timestamp, end_timestamp;
|
|
|
|
gint64 interval;
|
|
|
|
|
|
|
|
frame_clock = gtk_widget_get_frame_clock (GTK_WIDGET (fishbowl));
|
|
|
|
if (frame_clock == NULL)
|
|
|
|
return;
|
|
|
|
|
|
|
|
start_counter = gdk_frame_clock_get_history_start (frame_clock);
|
|
|
|
end_counter = gdk_frame_clock_get_frame_counter (frame_clock);
|
|
|
|
start = gdk_frame_clock_get_timings (frame_clock, start_counter);
|
|
|
|
for (end = gdk_frame_clock_get_timings (frame_clock, end_counter);
|
|
|
|
end_counter > start_counter && end != NULL && !gdk_frame_timings_get_complete (end);
|
|
|
|
end = gdk_frame_clock_get_timings (frame_clock, end_counter))
|
|
|
|
end_counter--;
|
|
|
|
if (end_counter - start_counter < 4)
|
|
|
|
return;
|
|
|
|
|
|
|
|
start_timestamp = gdk_frame_timings_get_presentation_time (start);
|
|
|
|
end_timestamp = gdk_frame_timings_get_presentation_time (end);
|
|
|
|
if (start_timestamp == 0 || end_timestamp == 0)
|
|
|
|
{
|
|
|
|
start_timestamp = gdk_frame_timings_get_frame_time (start);
|
|
|
|
end_timestamp = gdk_frame_timings_get_frame_time (end);
|
|
|
|
}
|
|
|
|
|
|
|
|
n_frames = end_counter - start_counter;
|
|
|
|
priv->framerate = ((double) n_frames) * G_USEC_PER_SEC / (end_timestamp - start_timestamp);
|
2019-05-23 12:37:47 +00:00
|
|
|
priv->framerate = ((int)(priv->framerate * 100))/100.0;
|
|
|
|
|
2018-04-24 17:04:44 +00:00
|
|
|
g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_FRAMERATE]);
|
|
|
|
|
|
|
|
if (!priv->benchmark)
|
|
|
|
return;
|
|
|
|
|
|
|
|
interval = gdk_frame_timings_get_refresh_interval (end);
|
|
|
|
if (interval == 0)
|
|
|
|
{
|
|
|
|
interval = guess_refresh_interval (frame_clock);
|
|
|
|
if (interval == 0)
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
expected_frames = round ((double) (end_timestamp - start_timestamp) / interval);
|
|
|
|
|
|
|
|
if (n_frames >= expected_frames)
|
|
|
|
{
|
|
|
|
if (priv->last_benchmark_change > 0)
|
|
|
|
priv->last_benchmark_change *= 2;
|
|
|
|
else
|
|
|
|
priv->last_benchmark_change = 1;
|
|
|
|
}
|
|
|
|
else if (n_frames + 1 < expected_frames)
|
|
|
|
{
|
|
|
|
if (priv->last_benchmark_change < 0)
|
|
|
|
priv->last_benchmark_change--;
|
|
|
|
else
|
|
|
|
priv->last_benchmark_change = -1;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
priv->last_benchmark_change = 0;
|
|
|
|
}
|
|
|
|
|
2018-04-24 19:32:36 +00:00
|
|
|
gtk_fishbowl_set_count (fishbowl, MAX (1, (int) priv->count + priv->last_benchmark_change));
|
2018-04-24 17:04:44 +00:00
|
|
|
}
|
|
|
|
|
2017-01-07 00:59:23 +00:00
|
|
|
static gboolean
|
|
|
|
gtk_fishbowl_tick (GtkWidget *widget,
|
|
|
|
GdkFrameClock *frame_clock,
|
|
|
|
gpointer unused)
|
|
|
|
{
|
|
|
|
GtkFishbowl *fishbowl = GTK_FISHBOWL (widget);
|
|
|
|
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
|
|
|
|
GtkFishbowlChild *child;
|
|
|
|
gint64 frame_time, elapsed;
|
2020-06-04 10:06:42 +00:00
|
|
|
GHashTableIter iter;
|
|
|
|
gpointer key, value;
|
2018-04-24 17:04:44 +00:00
|
|
|
gboolean do_update;
|
2017-01-07 00:59:23 +00:00
|
|
|
|
|
|
|
frame_time = gdk_frame_clock_get_frame_time (gtk_widget_get_frame_clock (widget));
|
|
|
|
elapsed = frame_time - priv->last_frame_time;
|
2018-04-24 17:04:44 +00:00
|
|
|
do_update = frame_time / priv->update_delay != priv->last_frame_time / priv->update_delay;
|
2017-01-07 00:59:23 +00:00
|
|
|
priv->last_frame_time = frame_time;
|
|
|
|
|
|
|
|
/* last frame was 0, so we're just starting to animate */
|
|
|
|
if (elapsed == frame_time)
|
|
|
|
return G_SOURCE_CONTINUE;
|
|
|
|
|
2020-06-04 10:06:42 +00:00
|
|
|
g_hash_table_iter_init (&iter, priv->children);
|
|
|
|
while (g_hash_table_iter_next (&iter, &key, &value))
|
2017-01-07 00:59:23 +00:00
|
|
|
{
|
2020-06-04 10:06:42 +00:00
|
|
|
child = value;
|
2017-01-07 00:59:23 +00:00
|
|
|
|
|
|
|
child->x += child->dx * ((double) elapsed / G_USEC_PER_SEC);
|
|
|
|
child->y += child->dy * ((double) elapsed / G_USEC_PER_SEC);
|
|
|
|
|
|
|
|
if (child->x <= 0)
|
|
|
|
{
|
|
|
|
child->x = 0;
|
|
|
|
child->dx = new_speed ();
|
|
|
|
}
|
|
|
|
else if (child->x >= 1)
|
|
|
|
{
|
|
|
|
child->x = 1;
|
|
|
|
child->dx = - new_speed ();
|
|
|
|
}
|
|
|
|
|
|
|
|
if (child->y <= 0)
|
|
|
|
{
|
|
|
|
child->y = 0;
|
|
|
|
child->dy = new_speed ();
|
|
|
|
}
|
|
|
|
else if (child->y >= 1)
|
|
|
|
{
|
|
|
|
child->y = 1;
|
|
|
|
child->dy = - new_speed ();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
gtk_widget_queue_allocate (widget);
|
|
|
|
|
2018-04-24 17:04:44 +00:00
|
|
|
if (do_update)
|
|
|
|
gtk_fishbowl_do_update (fishbowl);
|
|
|
|
|
2017-01-07 00:59:23 +00:00
|
|
|
return G_SOURCE_CONTINUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
gtk_fishbowl_set_animating (GtkFishbowl *fishbowl,
|
|
|
|
gboolean animating)
|
|
|
|
{
|
|
|
|
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
|
|
|
|
|
|
|
|
if (gtk_fishbowl_get_animating (fishbowl) == animating)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (animating)
|
|
|
|
{
|
|
|
|
priv->tick_id = gtk_widget_add_tick_callback (GTK_WIDGET (fishbowl),
|
|
|
|
gtk_fishbowl_tick,
|
|
|
|
NULL,
|
|
|
|
NULL);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
priv->last_frame_time = 0;
|
|
|
|
gtk_widget_remove_tick_callback (GTK_WIDGET (fishbowl), priv->tick_id);
|
|
|
|
priv->tick_id = 0;
|
2018-04-24 17:04:44 +00:00
|
|
|
priv->framerate = 0;
|
|
|
|
g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_FRAMERATE]);
|
2017-01-07 00:59:23 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_ANIMATING]);
|
|
|
|
}
|
|
|
|
|
2018-04-24 17:04:44 +00:00
|
|
|
double
|
|
|
|
gtk_fishbowl_get_framerate (GtkFishbowl *fishbowl)
|
|
|
|
{
|
|
|
|
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
|
|
|
|
|
|
|
|
return priv->framerate;
|
|
|
|
}
|
|
|
|
|
|
|
|
gint64
|
|
|
|
gtk_fishbowl_get_update_delay (GtkFishbowl *fishbowl)
|
|
|
|
{
|
|
|
|
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
|
|
|
|
|
|
|
|
return priv->update_delay;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
gtk_fishbowl_set_update_delay (GtkFishbowl *fishbowl,
|
|
|
|
gint64 update_delay)
|
|
|
|
{
|
|
|
|
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
|
|
|
|
|
|
|
|
if (priv->update_delay == update_delay)
|
|
|
|
return;
|
|
|
|
|
|
|
|
priv->update_delay = update_delay;
|
|
|
|
|
|
|
|
g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_UPDATE_DELAY]);
|
|
|
|
}
|
|
|
|
|
2018-04-24 18:32:57 +00:00
|
|
|
void
|
|
|
|
gtk_fishbowl_set_creation_func (GtkFishbowl *fishbowl,
|
|
|
|
GtkFishCreationFunc creation_func)
|
|
|
|
{
|
|
|
|
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
|
|
|
|
|
|
|
|
g_object_freeze_notify (G_OBJECT (fishbowl));
|
|
|
|
|
|
|
|
gtk_fishbowl_set_count (fishbowl, 0);
|
2018-04-24 19:32:36 +00:00
|
|
|
priv->last_benchmark_change = 0;
|
2018-04-24 18:32:57 +00:00
|
|
|
|
|
|
|
priv->creation_func = creation_func;
|
|
|
|
|
2018-04-25 22:17:23 +00:00
|
|
|
gtk_fishbowl_set_count (fishbowl, 1);
|
|
|
|
|
2018-04-24 18:32:57 +00:00
|
|
|
g_object_thaw_notify (G_OBJECT (fishbowl));
|
|
|
|
}
|