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fishbowl: Port version from GTK 4

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This version also merges widgetbowl into fishbowl.
This commit is contained in:
Benjamin Otte 2018-04-25 23:57:44 +02:00
parent fff08fa319
commit f5482e6954
7 changed files with 555 additions and 637 deletions
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1
demos/gtk-demo/Makefile.am
View File

@ -28,7 +28,6 @@ demos_base = \
expander.c \
filtermodel.c \
fishbowl.c \
widgetbowl.c \
foreigndrawing.c \
gestures.c \
glarea.c \

1
demos/gtk-demo/demo.gresource.xml
View File

@ -156,7 +156,6 @@
<file>expander.c</file>
<file>filtermodel.c</file>
<file>fishbowl.c</file>
<file>widgetbowl.c</file>
<file>flowbox.c</file>
<file>foreigndrawing.c</file>
<file>font_features.c</file>

315
demos/gtk-demo/fishbowl.c
View File

@ -9,163 +9,254 @@
#include "gtkfishbowl.h"
GtkWidget *allow_changes;
const char *const css =
".blurred-button {"
" box-shadow: 0px 0px 5px 10px rgba(0, 0, 0, 0.5);"
"}"
"";
#define N_STATS 5
char **icon_names = NULL;
gsize n_icon_names = 0;
#define STATS_UPDATE_TIME G_USEC_PER_SEC
static void
init_icon_names (GtkIconTheme *theme)
{
GPtrArray *icons;
GList *l, *icon_list;
typedef struct _Stats Stats;
struct _Stats {
gint64 last_stats;
gint64 last_frame;
gint last_suggestion;
guint frame_counter_max;
if (icon_names)
return;
guint stats_index;
guint frame_counter[N_STATS];
guint item_counter[N_STATS];
icon_list = gtk_icon_theme_list_icons (theme, NULL);
icons = g_ptr_array_new ();
for (l = icon_list; l; l = l->next)
{
if (g_str_has_suffix (l->data, "symbolic"))
continue;
g_ptr_array_add (icons, g_strdup (l->data));
}
n_icon_names = icons->len;
g_ptr_array_add (icons, NULL); /* NULL-terminate the array */
icon_names = (char **) g_ptr_array_free (icons, FALSE);
/* don't free strings, we assigned them to the array */
g_list_free_full (icon_list, g_free);
}
static const char *
get_random_icon_name (GtkIconTheme *theme)
{
init_icon_names (theme);
return icon_names[g_random_int_range(0, n_icon_names)];
}
GtkWidget *
create_icon (void)
{
GtkWidget *image;
image = gtk_image_new_from_icon_name (get_random_icon_name (gtk_icon_theme_get_default ()), GTK_ICON_SIZE_DND);
return image;
}
static GtkWidget *
create_button (void)
{
return gtk_button_new_with_label ("Button");
}
static GtkWidget *
create_blurred_button (void)
{
GtkWidget *w = gtk_button_new ();
gtk_style_context_add_class (gtk_widget_get_style_context (w), "blurred-button");
return w;
}
static GtkWidget *
create_font_button (void)
{
return gtk_font_button_new ();
}
static GtkWidget *
create_level_bar (void)
{
GtkWidget *w = gtk_level_bar_new_for_interval (0, 100);
gtk_level_bar_set_value (GTK_LEVEL_BAR (w), 50);
/* Force them to be a bit larger */
gtk_widget_set_size_request (w, 200, -1);
return w;
}
static GtkWidget *
create_spinner (void)
{
GtkWidget *w = gtk_spinner_new ();
gtk_spinner_start (GTK_SPINNER (w));
return w;
}
static GtkWidget *
create_spinbutton (void)
{
GtkWidget *w = gtk_spin_button_new_with_range (0, 10, 1);
return w;
}
static GtkWidget *
create_label (void)
{
GtkWidget *w = gtk_label_new ("pLorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.");
gtk_label_set_line_wrap (GTK_LABEL (w), TRUE);
gtk_label_set_max_width_chars (GTK_LABEL (w), 100);
return w;
}
#if 0
static GtkWidget *
create_gears (void)
{
GtkWidget *w = gtk_gears_new ();
gtk_widget_set_size_request (w, 100, 100);
return w;
}
#endif
static GtkWidget *
create_switch (void)
{
GtkWidget *w = gtk_switch_new ();
gtk_switch_set_state (GTK_SWITCH (w), TRUE);
return w;
}
static const struct {
const char *name;
GtkWidget * (*create_func) (void);
} widget_types[] = {
{ "Icon", create_icon },
{ "Button", create_button },
{ "Blurbutton", create_blurred_button },
{ "Fontbutton", create_font_button },
{ "Levelbar", create_level_bar },
{ "Label", create_label },
{ "Spinner", create_spinner },
{ "Spinbutton", create_spinbutton },
// { "Gears", create_gears },
{ "Switch", create_switch },
};
static Stats *
get_stats (GtkWidget *widget)
{
static GQuark stats_quark = 0;
Stats *stats;
if (G_UNLIKELY (stats_quark == 0))
stats_quark = g_quark_from_static_string ("stats");
stats = g_object_get_qdata (G_OBJECT (widget), stats_quark);
if (stats == NULL)
{
stats = g_new0 (Stats, 1);
g_object_set_qdata_full (G_OBJECT (widget), stats_quark, stats, g_free);
stats->last_frame = gdk_frame_clock_get_frame_time (gtk_widget_get_frame_clock (widget));
stats->last_stats = stats->last_frame;
}
return stats;
}
static int selected_widget_type = -1;
static const int N_WIDGET_TYPES = G_N_ELEMENTS (widget_types);
static void
do_stats (GtkWidget *widget,
GtkWidget *info_label,
gint *suggested_change)
set_widget_type (GtkFishbowl *fishbowl,
int widget_type_index)
{
Stats *stats;
gint64 frame_time;
GtkWidget *window, *headerbar;
stats = get_stats (widget);
frame_time = gdk_frame_clock_get_frame_time (gtk_widget_get_frame_clock (widget));
if (widget_type_index == selected_widget_type)
return;
if (stats->last_stats + STATS_UPDATE_TIME < frame_time)
{
char *new_label;
guint i, n_frames;
selected_widget_type = widget_type_index;
n_frames = 0;
for (i = 0; i < N_STATS; i++)
{
n_frames += stats->frame_counter[i];
}
new_label = g_strdup_printf ("icons - %.1f fps",
(double) G_USEC_PER_SEC * n_frames
/ (N_STATS * STATS_UPDATE_TIME));
gtk_label_set_label (GTK_LABEL (info_label), new_label);
g_free (new_label);
gtk_fishbowl_set_creation_func (fishbowl,
widget_types[selected_widget_type].create_func);
if (stats->frame_counter[stats->stats_index] >= 19 * stats->frame_counter_max / 20)
{
if (stats->last_suggestion > 0)
stats->last_suggestion *= 2;
else
stats->last_suggestion = 1;
}
else
{
if (stats->last_suggestion < 0)
stats->last_suggestion--;
else
stats->last_suggestion = -1;
stats->last_suggestion = MAX (stats->last_suggestion, 1 - (int) stats->item_counter[stats->stats_index]);
}
window = gtk_widget_get_toplevel (GTK_WIDGET (fishbowl));
headerbar = gtk_window_get_titlebar (GTK_WINDOW (window));
gtk_header_bar_set_title (GTK_HEADER_BAR (headerbar),
widget_types[selected_widget_type].name);
}
stats->stats_index = (stats->stats_index + 1) % N_STATS;
stats->frame_counter[stats->stats_index] = 0;
stats->item_counter[stats->stats_index] = stats->item_counter[(stats->stats_index + N_STATS - 1) % N_STATS];
stats->last_stats = frame_time;
if (suggested_change)
*suggested_change = stats->last_suggestion;
else
stats->last_suggestion = 0;
}
void
next_button_clicked_cb (GtkButton *source,
gpointer user_data)
{
GtkFishbowl *fishbowl = user_data;
int new_index;
if (selected_widget_type + 1 >= N_WIDGET_TYPES)
new_index = 0;
else
{
if (suggested_change)
*suggested_change = 0;
}
new_index = selected_widget_type + 1;
stats->last_frame = frame_time;
stats->frame_counter[stats->stats_index]++;
stats->frame_counter_max = MAX (stats->frame_counter_max, stats->frame_counter[stats->stats_index]);
set_widget_type (fishbowl, new_index);
}
static void
stats_update (GtkWidget *widget)
void
prev_button_clicked_cb (GtkButton *source,
gpointer user_data)
{
Stats *stats;
GtkFishbowl *fishbowl = user_data;
int new_index;
stats = get_stats (widget);
if (selected_widget_type - 1 < 0)
new_index = N_WIDGET_TYPES - 1;
else
new_index = selected_widget_type - 1;
stats->item_counter[stats->stats_index] = gtk_fishbowl_get_count (GTK_FISHBOWL (widget));
set_widget_type (fishbowl, new_index);
}
static gboolean
move_fish (GtkWidget *bowl,
GdkFrameClock *frame_clock,
gpointer info_label)
{
gint suggested_change = 0;
do_stats (bowl,
info_label,
!gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (allow_changes)) ? &suggested_change : NULL);
gtk_fishbowl_set_count (GTK_FISHBOWL (bowl),
gtk_fishbowl_get_count (GTK_FISHBOWL (bowl)) + suggested_change);
stats_update (bowl);
return G_SOURCE_CONTINUE;
}
GtkWidget *
do_fishbowl (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
static GtkCssProvider *provider = NULL;
if (provider == NULL)
{
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_data (provider, css, -1, NULL);
gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
}
if (!window)
{
GtkBuilder *builder;
GtkWidget *bowl, *info_label;
GtkWidget *bowl;
g_type_ensure (GTK_TYPE_FISHBOWL);
builder = gtk_builder_new_from_resource ("/fishbowl/fishbowl.ui");
gtk_builder_add_callback_symbols (builder,
"next_button_clicked_cb", G_CALLBACK (next_button_clicked_cb),
"prev_button_clicked_cb", G_CALLBACK (prev_button_clicked_cb),
NULL);
gtk_builder_connect_signals (builder, NULL);
window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
bowl = GTK_WIDGET (gtk_builder_get_object (builder, "bowl"));
info_label = GTK_WIDGET (gtk_builder_get_object (builder, "info_label"));
allow_changes = GTK_WIDGET (gtk_builder_get_object (builder, "changes_allow"));
set_widget_type (GTK_FISHBOWL (bowl), 0);
gtk_window_set_screen (GTK_WINDOW (window),
gtk_widget_get_screen (do_widget));
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
gtk_widget_realize (window);
gtk_widget_add_tick_callback (bowl, move_fish, info_label, NULL);
}
if (!gtk_widget_get_visible (window))

68
demos/gtk-demo/fishbowl.ui
View File

@ -8,27 +8,76 @@
<property name="visible">True</property>
<property name="show-close-button">True</property>
<child>
<object class="GtkLabel" id="info_label">
<object class="GtkBox">
<property name="visible">True</property>
<property name="label">icons - 0 fps</property>
<style>
<class name="linked"/>
</style>
<child>
<object class="GtkButton">
<property name="visible">True</property>
<child>
<object class="GtkImage">
<property name="icon-name">pan-start-symbolic</property>
<property name="visible">True</property>
</object>
</child>
<signal name="clicked" handler="prev_button_clicked_cb" object="bowl" swapped="no"/>
</object>
</child>
<child>
<object class="GtkButton">
<property name="visible">True</property>
<child>
<object class="GtkImage">
<property name="icon-name">pan-end-symbolic</property>
<property name="visible">True</property>
</object>
</child>
<signal name="clicked" handler="next_button_clicked_cb" object="bowl" swapped="no"/>
</object>
</child>
</object>
</child>
<child>
<object class="GtkLabel">
<property name="visible">True</property>
<property name="label">fps</property>
</object>
<packing>
<property name="pack_type">end</property>
<property name="pack-type">end</property>
</packing>
</child>
<child>
<object class="GtkLabel">
<property name="visible">True</property>
<property name="label" bind-source="bowl" bind-property="count">0</property>
<property name="label" bind-source="bowl" bind-property="framerate"/>
</object>
<packing>
<property name="pack_type">end</property>
<property name="pack-type">end</property>
</packing>
</child>
<child>
<object class="GtkLabel">
<property name="visible">True</property>
<property name="label">Icons, </property>
</object>
<packing>
<property name="pack-type">end</property>
</packing>
</child>
<child>
<object class="GtkLabel">
<property name="visible">True</property>
<property name="label" bind-source="bowl" bind-property="count"/>
</object>
<packing>
<property name="pack-type">end</property>
</packing>
</child>
<child>
<object class="GtkToggleButton" id="changes_allow">
<property name="active">False</property>
<property name="visible" bind-source="changes_allow" bind-property="active" bind-flags="invert-boolean">True</property>
<property name="visible" bind-source="changes_allow" bind-property="active" bind-flags="invert-boolean"/>
<property name="relief">none</property>
<child>
<object class="GtkImage">
@ -38,7 +87,7 @@
</child>
</object>
<packing>
<property name="pack_type">end</property>
<property name="pack-type">end</property>
</packing>
</child>
<child>
@ -54,7 +103,7 @@
</child>
</object>
<packing>
<property name="pack_type">end</property>
<property name="pack-type">end</property>
</packing>
</child>
</object>
@ -63,6 +112,7 @@
<object class="GtkFishbowl" id="bowl">
<property name="visible">True</property>
<property name="animating">True</property>
<property name="benchmark" bind-source="changes_allow" bind-property="active" bind-flags="invert-boolean">True</property>
</object>
</child>
</object>

429
demos/gtk-demo/gtkfishbowl.c
View File

@ -19,18 +19,25 @@
#include "gtkfishbowl.h"
#include "gtk/fallback-c89.c"
#include <math.h>
typedef struct _GtkFishbowlPrivate GtkFishbowlPrivate;
typedef struct _GtkFishbowlChild GtkFishbowlChild;
struct _GtkFishbowlPrivate
{
GtkFishCreationFunc creation_func;
GList *children;
guint count;
gint64 last_frame_time;
gint64 update_delay;
guint tick_id;
double framerate;
int last_benchmark_change;
guint benchmark : 1;
};
struct _GtkFishbowlChild
@ -45,7 +52,10 @@ struct _GtkFishbowlChild
enum {
PROP_0,
PROP_ANIMATING,
PROP_BENCHMARK,
PROP_COUNT,
PROP_FRAMERATE,
PROP_UPDATE_DELAY,
NUM_PROPERTIES
};
@ -56,7 +66,11 @@ G_DEFINE_TYPE_WITH_PRIVATE (GtkFishbowl, gtk_fishbowl, GTK_TYPE_CONTAINER)
static void
gtk_fishbowl_init (GtkFishbowl *fishbowl)
{
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
gtk_widget_set_has_window (GTK_WIDGET (fishbowl), FALSE);
priv->update_delay = G_USEC_PER_SEC;
}
/**
@ -73,48 +87,9 @@ gtk_fishbowl_new (void)
}
static void
gtk_widget_measure (GtkWidget *widget,
GtkOrientation orientation,
gint size,
gint *minimum,
gint *natural,
gint *minimum_baseline,
gint *natural_baseline)
{
g_return_if_fail (GTK_IS_WIDGET (widget));
g_return_if_fail (size >= -1);
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
if (size < 0)
gtk_widget_get_preferred_width (widget, minimum, natural);
else
gtk_widget_get_preferred_width_for_height (widget, size, minimum, natural);
if (minimum_baseline)
*minimum_baseline = -1;
if (natural_baseline)
*natural_baseline = -1;
}
else
{
gtk_widget_get_preferred_height_and_baseline_for_width (widget,
size,
minimum,
natural,
minimum_baseline,
natural_baseline);
}
}
static void
gtk_fishbowl_measure (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline)
gtk_fishbowl_get_preferred_width (GtkWidget *widget,
int *minimum,
int *natural)
{
GtkFishbowl *fishbowl = GTK_FISHBOWL (widget);
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
@ -132,47 +107,42 @@ gtk_fishbowl_measure (GtkWidget *widget,
if (!gtk_widget_get_visible (child->widget))
continue;
gtk_widget_measure (child->widget, orientation, -1, &child_min, &child_nat, NULL, NULL);
gtk_widget_get_preferred_width (child->widget, &child_min, &child_nat);
*minimum = MAX (*minimum, child_min);
*natural = MAX (*natural, child_nat);
}
}
static void
gtk_fishbowl_get_preferred_width (GtkWidget *widget,
int *minimum,
int *natural)
{
gtk_fishbowl_measure (widget, GTK_ORIENTATION_HORIZONTAL, -1, minimum, natural, NULL, NULL);
}
static void
gtk_fishbowl_get_preferred_height (GtkWidget *widget,
int *minimum,
int *natural)
{
gtk_fishbowl_measure (widget, GTK_ORIENTATION_VERTICAL, -1, minimum, natural, NULL, NULL);
}
GtkFishbowl *fishbowl = GTK_FISHBOWL (widget);
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
GtkFishbowlChild *child;
GList *children;
gint child_min, child_nat;
static void
gtk_fishbowl_get_preferred_width_for_height (GtkWidget *widget,
int for_size,
int *minimum,
int *natural)
{
gtk_fishbowl_measure (widget, GTK_ORIENTATION_HORIZONTAL, for_size, minimum, natural, NULL, NULL);
}
*minimum = 0;
*natural = 0;
static void
gtk_fishbowl_get_preferred_height_and_baseline_for_width (GtkWidget *widget,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline)
{
gtk_fishbowl_measure (widget, GTK_ORIENTATION_VERTICAL, for_size, minimum, natural, minimum_baseline, natural_baseline);
for (children = priv->children; children; children = children->next)
{
int min_width;
child = children->data;
if (!gtk_widget_get_visible (child->widget))
continue;
gtk_widget_get_preferred_width (child->widget, &min_width, NULL);
gtk_widget_get_preferred_height_for_width (child->widget, min_width, &child_min, &child_nat);
*minimum = MAX (*minimum, child_min);
*natural = MAX (*natural, child_nat);
}
}
static void
@ -186,8 +156,6 @@ gtk_fishbowl_size_allocate (GtkWidget *widget,
GtkRequisition child_requisition;
GList *children;
gtk_widget_set_allocation (widget, allocation);
for (children = priv->children; children; children = children->next)
{
child = children->data;
@ -244,7 +212,7 @@ gtk_fishbowl_remove (GtkContainer *container,
GtkFishbowl *fishbowl = GTK_FISHBOWL (container);
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
GtkFishbowlChild *child;
GtkWidget *widget_container = GTK_WIDGET (container);
GtkWidget *widget_bowl = GTK_WIDGET (fishbowl);
GList *children;
for (children = priv->children; children; children = children->next)
@ -261,8 +229,8 @@ gtk_fishbowl_remove (GtkContainer *container,
g_list_free (children);
g_free (child);
if (was_visible && gtk_widget_get_visible (widget_container))
gtk_widget_queue_resize (widget_container);
if (was_visible && gtk_widget_get_visible (widget_bowl))
gtk_widget_queue_resize (widget_bowl);
priv->count--;
g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_COUNT]);
@ -271,6 +239,7 @@ gtk_fishbowl_remove (GtkContainer *container,
}
}
static void
gtk_fishbowl_forall (GtkContainer *container,
gboolean include_internals,
@ -295,29 +264,6 @@ gtk_fishbowl_forall (GtkContainer *container,
}
}
static gboolean
gtk_fishbowl_draw (GtkWidget *widget,
cairo_t *cr)
{
GtkFishbowl *fishbowl = GTK_FISHBOWL (widget);
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
GtkFishbowlChild *child;
GList *list;
for (list = priv->children;
list;
list = list->next)
{
child = list->data;
gtk_container_propagate_draw (GTK_CONTAINER (fishbowl),
child->widget,
cr);
}
return FALSE;
}
static void
gtk_fishbowl_dispose (GObject *object)
{
@ -343,10 +289,18 @@ gtk_fishbowl_set_property (GObject *object,
gtk_fishbowl_set_animating (fishbowl, g_value_get_boolean (value));
break;
case PROP_BENCHMARK:
gtk_fishbowl_set_benchmark (fishbowl, g_value_get_boolean (value));
break;
case PROP_COUNT:
gtk_fishbowl_set_count (fishbowl, g_value_get_uint (value));
break;
case PROP_UPDATE_DELAY:
gtk_fishbowl_set_update_delay (fishbowl, g_value_get_int64 (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -367,10 +321,22 @@ gtk_fishbowl_get_property (GObject *object,
g_value_set_boolean (value, gtk_fishbowl_get_animating (fishbowl));
break;
case PROP_BENCHMARK:
g_value_set_boolean (value, gtk_fishbowl_get_benchmark (fishbowl));
break;
case PROP_COUNT:
g_value_set_uint (value, gtk_fishbowl_get_count (fishbowl));
break;
case PROP_FRAMERATE:
g_value_set_double (value, gtk_fishbowl_get_framerate (fishbowl));
break;
case PROP_UPDATE_DELAY:
g_value_set_int64 (value, gtk_fishbowl_get_update_delay (fishbowl));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -390,10 +356,7 @@ gtk_fishbowl_class_init (GtkFishbowlClass *klass)
widget_class->get_preferred_width = gtk_fishbowl_get_preferred_width;
widget_class->get_preferred_height = gtk_fishbowl_get_preferred_height;
widget_class->get_preferred_width_for_height = gtk_fishbowl_get_preferred_width_for_height;
widget_class->get_preferred_height_and_baseline_for_width = gtk_fishbowl_get_preferred_height_and_baseline_for_width;
widget_class->size_allocate = gtk_fishbowl_size_allocate;
widget_class->draw = gtk_fishbowl_draw;
container_class->add = gtk_fishbowl_add;
container_class->remove = gtk_fishbowl_remove;
@ -406,13 +369,36 @@ gtk_fishbowl_class_init (GtkFishbowlClass *klass)
FALSE,
G_PARAM_READWRITE);
props[PROP_BENCHMARK] =
g_param_spec_boolean ("benchmark",
"Benchmark",
"Adapt the count property to hit the maximum framerate",
FALSE,
G_PARAM_READWRITE);
props[PROP_COUNT] =
g_param_spec_uint ("count",
"Count",
"Number of widgets",
0, G_MAXUINT,
0,
G_PARAM_READABLE);
G_PARAM_READWRITE);
props[PROP_FRAMERATE] =
g_param_spec_double ("framerate",
"Framerate",
"Framerate of this widget in frames per second",
0, G_MAXDOUBLE,
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);
g_object_class_install_properties (object_class, NUM_PROPERTIES, props);
}
@ -425,72 +411,60 @@ gtk_fishbowl_get_count (GtkFishbowl *fishbowl)
return priv->count;
}
char **icon_names = NULL;
gsize n_icon_names = 0;
static void
init_icon_names (GtkIconTheme *theme)
{
GPtrArray *icons;
GList *l, *icon_list;
if (icon_names)
return;
icon_list = gtk_icon_theme_list_icons (theme, NULL);
icons = g_ptr_array_new ();
for (l = icon_list; l; l = l->next)
{
if (g_str_has_suffix (l->data, "symbolic"))
continue;
g_ptr_array_add (icons, g_strdup (l->data));
}
n_icon_names = icons->len;
g_ptr_array_add (icons, NULL); /* NULL-terminate the array */
icon_names = (char **) g_ptr_array_free (icons, FALSE);
/* don't free strings, we assigned them to the array */
g_list_free_full (icon_list, g_free);
}
static const char *
get_random_icon_name (GtkIconTheme *theme)
{
init_icon_names (theme);
return icon_names[g_random_int_range(0, n_icon_names)];
}
void
gtk_fishbowl_set_count (GtkFishbowl *fishbowl,
guint count)
{
GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
if (priv->count == count)
return;
g_object_freeze_notify (G_OBJECT (fishbowl));
while (priv->count > count)
{
gtk_container_remove (GTK_CONTAINER (fishbowl),
((GtkFishbowlChild *) priv->children->data)->widget);
gtk_fishbowl_remove (GTK_CONTAINER (fishbowl), ((GtkFishbowlChild *) priv->children->data)->widget);
}
while (priv->count < count)
{
GtkWidget *new_widget;
new_widget = gtk_image_new_from_icon_name (get_random_icon_name (gtk_icon_theme_get_default ()),
GTK_ICON_SIZE_DIALOG);
new_widget = priv->creation_func ();
gtk_widget_show (new_widget);
gtk_container_add (GTK_CONTAINER (fishbowl), new_widget);
gtk_fishbowl_add (GTK_CONTAINER (fishbowl), new_widget);
}
g_object_thaw_notify (G_OBJECT (fishbowl));
}
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]);
}
gboolean
gtk_fishbowl_get_animating (GtkFishbowl *fishbowl)
{
@ -499,6 +473,111 @@ gtk_fishbowl_get_animating (GtkFishbowl *fishbowl)
return priv->tick_id != 0;
}
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);
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;
}
gtk_fishbowl_set_count (fishbowl, MAX (1, (int) priv->count + priv->last_benchmark_change));
}
static gboolean
gtk_fishbowl_tick (GtkWidget *widget,
GdkFrameClock *frame_clock,
@ -509,9 +588,11 @@ gtk_fishbowl_tick (GtkWidget *widget,
GtkFishbowlChild *child;
GList *l;
gint64 frame_time, elapsed;
gboolean do_update;
frame_time = gdk_frame_clock_get_frame_time (gtk_widget_get_frame_clock (widget));
elapsed = frame_time - priv->last_frame_time;
do_update = frame_time / priv->update_delay != priv->last_frame_time / priv->update_delay;
priv->last_frame_time = frame_time;
/* last frame was 0, so we're just starting to animate */
@ -550,6 +631,9 @@ gtk_fishbowl_tick (GtkWidget *widget,
gtk_widget_queue_allocate (widget);
if (do_update)
gtk_fishbowl_do_update (fishbowl);
return G_SOURCE_CONTINUE;
}
@ -574,8 +658,57 @@ gtk_fishbowl_set_animating (GtkFishbowl *fishbowl,
priv->last_frame_time = 0;
gtk_widget_remove_tick_callback (GTK_WIDGET (fishbowl), priv->tick_id);
priv->tick_id = 0;
priv->framerate = 0;
g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_FRAMERATE]);
}
g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_ANIMATING]);
}
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]);
}
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);
priv->last_benchmark_change = 0;
priv->creation_func = creation_func;
gtk_fishbowl_set_count (fishbowl, 1);
g_object_thaw_notify (G_OBJECT (fishbowl));
}

13
demos/gtk-demo/gtkfishbowl.h
View File

@ -32,9 +32,11 @@ G_BEGIN_DECLS
typedef struct _GtkFishbowl GtkFishbowl;
typedef struct _GtkFishbowlClass GtkFishbowlClass;
typedef GtkWidget * (* GtkFishCreationFunc) (void);
struct _GtkFishbowl
{
GtkContainer container;
GtkContainer parent;
};
struct _GtkFishbowlClass
@ -52,6 +54,15 @@ void gtk_fishbowl_set_count (GtkFishbowl *fishbowl,
gboolean gtk_fishbowl_get_animating (GtkFishbowl *fishbowl);
void gtk_fishbowl_set_animating (GtkFishbowl *fishbowl,
gboolean animating);
gboolean gtk_fishbowl_get_benchmark (GtkFishbowl *fishbowl);
void gtk_fishbowl_set_benchmark (GtkFishbowl *fishbowl,
gboolean animating);
double gtk_fishbowl_get_framerate (GtkFishbowl *fishbowl);
gint64 gtk_fishbowl_get_update_delay (GtkFishbowl *fishbowl);
void gtk_fishbowl_set_update_delay (GtkFishbowl *fishbowl,
gint64 update_delay);
void gtk_fishbowl_set_creation_func (GtkFishbowl *fishbowl,
GtkFishCreationFunc creation_func);
G_END_DECLS

365
demos/gtk-demo/widgetbowl.c
View File

@ -1,365 +0,0 @@
/* Benchmark/Widgetbowl
*
* This is a version of the Fishbowl demo that instead shows different
* kinds of widgets, which is useful for comparing the rendering performance
* of theme specifics.
*/
#include <gtk/gtk.h>
#include "gtkfishbowl.h"
const char *const css =
".blurred-button {"
" box-shadow: 0px 0px 5px 10px rgba(0, 0, 0, 0.5);"
"}"
"";
GtkWidget *fishbowl;
static GtkWidget *
create_button (void)
{
return gtk_button_new_with_label ("Button");
}
static GtkWidget *
create_blurred_button (void)
{
GtkWidget *w = gtk_button_new ();
gtk_style_context_add_class (gtk_widget_get_style_context (w), "blurred-button");
return w;
}
static GtkWidget *
create_font_button (void)
{
return gtk_font_button_new ();
}
static GtkWidget *
create_level_bar (void)
{
GtkWidget *w = gtk_level_bar_new_for_interval (0, 100);
gtk_level_bar_set_value (GTK_LEVEL_BAR (w), 50);
/* Force them to be a bit larger */
gtk_widget_set_size_request (w, 200, -1);
return w;
}
static GtkWidget *
create_spinner (void)
{
GtkWidget *w = gtk_spinner_new ();
gtk_spinner_start (GTK_SPINNER (w));
return w;
}
static GtkWidget *
create_spinbutton (void)
{
GtkWidget *w = gtk_spin_button_new_with_range (0, 10, 1);
return w;
}
static GtkWidget *
create_label (void)
{
GtkWidget *w = gtk_label_new ("pLorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.");
gtk_label_set_line_wrap (GTK_LABEL (w), TRUE);
gtk_label_set_max_width_chars (GTK_LABEL (w), 100);
return w;
}
static const struct {
const char *name;
GtkWidget * (*create_func) (void);
} widget_types[] = {
{ "Button", create_button },
{ "Blurbutton", create_blurred_button },
{ "Fontbutton", create_font_button },
{ "Levelbar" , create_level_bar },
{ "Label" , create_label },
{ "Spinner" , create_spinner },
{ "Spinbutton", create_spinbutton },
};
static int selected_widget_type = -1;
static const int N_WIDGET_TYPES = G_N_ELEMENTS (widget_types);
#define N_STATS 5
#define STATS_UPDATE_TIME G_USEC_PER_SEC
static void
set_widget_type (GtkWidget *headerbar,
int widget_type_index)
{
if (widget_type_index == selected_widget_type)
return;
/* Remove everything */
gtk_fishbowl_set_count (GTK_FISHBOWL (fishbowl), 0);
selected_widget_type = widget_type_index;
gtk_header_bar_set_title (GTK_HEADER_BAR (headerbar),
widget_types[selected_widget_type].name);
}
typedef struct _Stats Stats;
struct _Stats {
gint64 last_stats;
gint64 last_frame;
gint last_suggestion;
guint frame_counter_max;
guint stats_index;
guint frame_counter[N_STATS];
guint item_counter[N_STATS];
};
static Stats *
get_stats (GtkWidget *widget)
{
static GQuark stats_quark = 0;
Stats *stats;
if (G_UNLIKELY (stats_quark == 0))
stats_quark = g_quark_from_static_string ("stats");
stats = g_object_get_qdata (G_OBJECT (widget), stats_quark);
if (stats == NULL)
{
stats = g_new0 (Stats, 1);
g_object_set_qdata_full (G_OBJECT (widget), stats_quark, stats, g_free);
stats->last_frame = gdk_frame_clock_get_frame_time (gtk_widget_get_frame_clock (widget));
stats->last_stats = stats->last_frame;
}
return stats;
}
static void
do_stats (GtkWidget *widget,
GtkWidget *info_label,
gint *suggested_change)
{
Stats *stats;
gint64 frame_time;
stats = get_stats (widget);
frame_time = gdk_frame_clock_get_frame_time (gtk_widget_get_frame_clock (widget));
if (stats->last_stats + STATS_UPDATE_TIME < frame_time)
{
char *new_label;
guint i, n_frames;
n_frames = 0;
for (i = 0; i < N_STATS; i++)
{
n_frames += stats->frame_counter[i];
}
new_label = g_strdup_printf ("widgets - %.1f fps",
(double) G_USEC_PER_SEC * n_frames
/ (N_STATS * STATS_UPDATE_TIME));
gtk_label_set_label (GTK_LABEL (info_label), new_label);
g_free (new_label);
if (stats->frame_counter[stats->stats_index] >= 19 * stats->frame_counter_max / 20)
{
if (stats->last_suggestion > 0)
stats->last_suggestion *= 2;
else
stats->last_suggestion = 1;
}
else
{
if (stats->last_suggestion < 0)
stats->last_suggestion--;
else
stats->last_suggestion = -1;
stats->last_suggestion = MAX (stats->last_suggestion, 1 - (int) stats->item_counter[stats->stats_index]);
}
stats->stats_index = (stats->stats_index + 1) % N_STATS;
stats->frame_counter[stats->stats_index] = 0;
stats->item_counter[stats->stats_index] = stats->item_counter[(stats->stats_index + N_STATS - 1) % N_STATS];
stats->last_stats = frame_time;
if (suggested_change)
*suggested_change = stats->last_suggestion;
else
stats->last_suggestion = 0;
}
else
{
if (suggested_change)
*suggested_change = 0;
}
stats->last_frame = frame_time;
stats->frame_counter[stats->stats_index]++;
stats->frame_counter_max = MAX (stats->frame_counter_max, stats->frame_counter[stats->stats_index]);
}
static void
stats_update (GtkWidget *widget)
{
Stats *stats;
stats = get_stats (widget);
stats->item_counter[stats->stats_index] = gtk_fishbowl_get_count (GTK_FISHBOWL (widget));
}
static gboolean
move_fish (GtkWidget *bowl,
GdkFrameClock *frame_clock,
gpointer info_label)
{
gint suggested_change = 0;
do_stats (bowl, info_label, &suggested_change);
if (suggested_change > 0)
{
int i;
for (i = 0; i < suggested_change; i ++)
{
GtkWidget *new_widget = widget_types[selected_widget_type].create_func ();
gtk_widget_show (new_widget);
gtk_container_add (GTK_CONTAINER (fishbowl), new_widget);
}
}
else if (suggested_change < 0)
{
gtk_fishbowl_set_count (GTK_FISHBOWL (fishbowl),
gtk_fishbowl_get_count (GTK_FISHBOWL (fishbowl)) + suggested_change);
}
stats_update (bowl);
return G_SOURCE_CONTINUE;
}
static void
next_button_clicked_cb (GtkButton *source,
gpointer user_data)
{
GtkWidget *headerbar = user_data;
int new_index;
if (selected_widget_type + 1 >= N_WIDGET_TYPES)
new_index = 0;
else
new_index = selected_widget_type + 1;
set_widget_type (headerbar, new_index);
}
static void
prev_button_clicked_cb (GtkButton *source,
gpointer user_data)
{
GtkWidget *headerbar = user_data;
int new_index;
if (selected_widget_type - 1 < 0)
new_index = N_WIDGET_TYPES - 1;
else
new_index = selected_widget_type - 1;
set_widget_type (headerbar, new_index);
}
GtkWidget *
do_widgetbowl (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
static GtkCssProvider *provider = NULL;
if (provider == NULL)
{
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_data (provider, css, -1, NULL);
gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
}
if (!window)
{
GtkWidget *info_label;
GtkWidget *count_label;
GtkWidget *titlebar;
GtkWidget *title_box;
GtkWidget *left_box;
GtkWidget *next_button;
GtkWidget *prev_button;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
titlebar = gtk_header_bar_new ();
gtk_header_bar_set_show_close_button (GTK_HEADER_BAR (titlebar), TRUE);
info_label = gtk_label_new ("widget - 00.0 fps");
count_label = gtk_label_new ("0");
fishbowl = gtk_fishbowl_new ();
title_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
prev_button = gtk_button_new_from_icon_name ("pan-start-symbolic", GTK_ICON_SIZE_BUTTON);
next_button = gtk_button_new_from_icon_name ("pan-end-symbolic", GTK_ICON_SIZE_BUTTON);
left_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
g_object_bind_property (fishbowl, "count", count_label, "label", 0);
g_signal_connect (next_button, "clicked", G_CALLBACK (next_button_clicked_cb), titlebar);
g_signal_connect (prev_button, "clicked", G_CALLBACK (prev_button_clicked_cb), titlebar);
gtk_fishbowl_set_animating (GTK_FISHBOWL (fishbowl), TRUE);
gtk_widget_set_hexpand (title_box, TRUE);
gtk_widget_set_halign (title_box, GTK_ALIGN_END);
gtk_window_set_titlebar (GTK_WINDOW (window), titlebar);
gtk_container_add (GTK_CONTAINER (title_box), count_label);
gtk_container_add (GTK_CONTAINER (title_box), info_label);
gtk_header_bar_pack_end (GTK_HEADER_BAR (titlebar), title_box);
gtk_container_add (GTK_CONTAINER (window), fishbowl);
gtk_style_context_add_class (gtk_widget_get_style_context (left_box), "linked");
gtk_container_add (GTK_CONTAINER (left_box), prev_button);
gtk_container_add (GTK_CONTAINER (left_box), next_button);
gtk_header_bar_pack_start (GTK_HEADER_BAR (titlebar), left_box);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
gtk_widget_realize (window);
gtk_widget_add_tick_callback (fishbowl, move_fish, info_label, NULL);
set_widget_type (titlebar, 0);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show_all (window);
else
gtk_widget_destroy (window);
return window;
}