gtk2/demos/gtk-demo/fishbowl.c
Matthias Clasen fb31581bb4 gtk-demo: Use GtkVideo in the fishbowl
The demo is called 'Video', so we should actually
use a GtkVideo widget. Doing things this way has
the advantage that we get GL support, which wasn't
working with GtkPicture.
2021-01-04 18:26:29 -05:00

336 lines
8.1 KiB
C

/* Benchmark/Fishbowl
*
* This demo models the fishbowl demos seen on the web in a GTK way.
* It's also a neat little tool to see how fast your computer (or
* your GTK version) is.
*/
#include <gtk/gtk.h>
#include "gtkfishbowl.h"
#include "gtkgears.h"
#include "gskshaderpaintable.h"
const char *const css =
".blurred-button {"
" box-shadow: 0px 0px 5px 10px rgba(0, 0, 0, 0.5);"
"}"
"";
char **icon_names = NULL;
gsize n_icon_names = 0;
static void
init_icon_names (GtkIconTheme *theme)
{
if (icon_names)
return;
icon_names = gtk_icon_theme_get_icon_names (theme);
n_icon_names = g_strv_length (icon_names);
}
static const char *
get_random_icon_name (GtkIconTheme *theme)
{
init_icon_names (theme);
return icon_names[g_random_int_range(0, n_icon_names)];
}
/* Can't be static because it's also used in iconscroll.c */
GtkWidget *
create_icon (void)
{
GtkWidget *image;
image = gtk_image_new ();
gtk_image_set_icon_size (GTK_IMAGE (image), GTK_ICON_SIZE_LARGE);
gtk_image_set_from_icon_name (GTK_IMAGE (image),
get_random_icon_name (gtk_icon_theme_get_for_display (gtk_widget_get_display (image))));
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_widget_add_css_class (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_wrap (GTK_LABEL (w), TRUE);
gtk_label_set_max_width_chars (GTK_LABEL (w), 100);
return w;
}
static GtkWidget *
create_video (void)
{
GtkWidget *w = gtk_video_new ();
gtk_widget_set_size_request (w, 64, 64);
gtk_video_set_loop (GTK_VIDEO (w), TRUE);
gtk_video_set_autoplay (GTK_VIDEO (w), TRUE);
gtk_video_set_resource (GTK_VIDEO (w), "/images/gtk-logo.webm");
return w;
}
static GtkWidget *
create_gears (void)
{
GtkWidget *w = gtk_gears_new ();
gtk_widget_set_size_request (w, 100, 100);
return w;
}
static GtkWidget *
create_switch (void)
{
GtkWidget *w = gtk_switch_new ();
gtk_switch_set_state (GTK_SWITCH (w), TRUE);
return w;
}
static gboolean
update_paintable (GtkWidget *widget,
GdkFrameClock *frame_clock,
gpointer user_data)
{
GskShaderPaintable *paintable;
gint64 frame_time;
paintable = GSK_SHADER_PAINTABLE (gtk_picture_get_paintable (GTK_PICTURE (widget)));
frame_time = gdk_frame_clock_get_frame_time (frame_clock);
gsk_shader_paintable_update_time (paintable, 0, frame_time);
return G_SOURCE_CONTINUE;
}
static GtkWidget *
create_cogs (void)
{
GtkWidget *picture;
static GskGLShader *cog_shader = NULL;
GdkPaintable *paintable;
if (cog_shader == NULL)
cog_shader = gsk_gl_shader_new_from_resource ("/gltransition/cogs2.glsl");
paintable = gsk_shader_paintable_new (g_object_ref (cog_shader), NULL);
picture = gtk_picture_new_for_paintable (paintable);
gtk_widget_set_size_request (picture, 150, 75);
gtk_widget_add_tick_callback (picture, update_paintable, NULL, NULL);
return picture;
}
static void
mapped (GtkWidget *w)
{
gtk_menu_button_popup (GTK_MENU_BUTTON (w));
}
static GtkWidget *
create_menu_button (void)
{
GtkWidget *w = gtk_menu_button_new ();
GtkWidget *popover = gtk_popover_new ();
gtk_popover_set_child (GTK_POPOVER (popover), gtk_button_new_with_label ("Hey!"));
gtk_popover_set_autohide (GTK_POPOVER (popover), FALSE);
gtk_menu_button_set_popover (GTK_MENU_BUTTON (w), popover);
g_signal_connect (w, "map", G_CALLBACK (mapped), NULL);
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 },
{ "Video", create_video },
{ "Gears", create_gears },
{ "Switch", create_switch },
{ "Menubutton", create_menu_button },
{ "Shader", create_cogs },
};
static int selected_widget_type = -1;
static const int N_WIDGET_TYPES = G_N_ELEMENTS (widget_types);
static void
set_widget_type (GtkFishbowl *fishbowl,
int widget_type_index)
{
GtkWidget *window;
if (widget_type_index == selected_widget_type)
return;
selected_widget_type = widget_type_index;
gtk_fishbowl_set_creation_func (fishbowl,
widget_types[selected_widget_type].create_func);
window = GTK_WIDGET (gtk_widget_get_root (GTK_WIDGET (fishbowl)));
gtk_window_set_title (GTK_WINDOW (window),
widget_types[selected_widget_type].name);
}
G_MODULE_EXPORT void
fishbowl_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
new_index = selected_widget_type + 1;
set_widget_type (fishbowl, new_index);
}
G_MODULE_EXPORT void
fishbowl_prev_button_clicked_cb (GtkButton *source,
gpointer user_data)
{
GtkFishbowl *fishbowl = 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 (fishbowl, new_index);
}
G_MODULE_EXPORT void
fishbowl_changes_toggled_cb (GtkToggleButton *button,
gpointer user_data)
{
if (gtk_toggle_button_get_active (button))
gtk_button_set_icon_name (GTK_BUTTON (button), "changes-prevent");
else
gtk_button_set_icon_name (GTK_BUTTON (button), "changes-allow");
}
G_MODULE_EXPORT char *
format_header_cb (GObject *object,
guint count,
double fps)
{
return g_strdup_printf ("%u Icons, %.2f fps", count, fps);
}
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);
gtk_style_context_add_provider_for_display (gdk_display_get_default (),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
}
if (!window)
{
GtkBuilder *builder;
GtkWidget *bowl;
g_type_ensure (GTK_TYPE_FISHBOWL);
builder = gtk_builder_new_from_resource ("/fishbowl/fishbowl.ui");
window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
bowl = GTK_WIDGET (gtk_builder_get_object (builder, "bowl"));
selected_widget_type = -1;
set_widget_type (GTK_FISHBOWL (bowl), 0);
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
gtk_widget_realize (window);
g_object_unref (builder);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show (window);
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}