gtk/demos/gtk-demo/fishbowl.c
Matthias Clasen 0dc0bea1d5 gtk4-demo: Drop the glshader demos
The GL renderer will be going away in 4.18, and with that, shader
nodes will stop working for good. It is time to start preparing
for that.
2024-09-30 18:58:33 -04:00

343 lines
8.3 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 "nodewidget.h"
#include "graphwidget.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_dialog_button_new (gtk_font_dialog_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 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 GtkWidget *
create_tiger (void)
{
return node_widget_new ("/fishbowl/tiger.node");
}
static GtkWidget *
create_graph (void)
{
return graph_widget_new ();
}
static const struct {
const char *name;
GtkWidget * (* create_func) (void);
gboolean (* check) (GtkFishbowl *fb);
} widget_types[] = {
{ "Icon", create_icon, NULL },
{ "Button", create_button, NULL },
{ "Blurbutton", create_blurred_button, NULL },
{ "Fontbutton", create_font_button, NULL },
{ "Levelbar", create_level_bar, NULL },
{ "Label", create_label, NULL },
{ "Spinner", create_spinner, NULL },
{ "Spinbutton", create_spinbutton, NULL },
{ "Video", create_video, NULL },
{ "Gears", create_gears, NULL },
{ "Switch", create_switch, NULL },
{ "Menubutton", create_menu_button, NULL },
{ "Tiger", create_tiger, NULL },
{ "Graph", create_graph, NULL },
};
static int selected_widget_type = -1;
static const int N_WIDGET_TYPES = G_N_ELEMENTS (widget_types);
static gboolean
set_widget_type (GtkFishbowl *fishbowl,
int widget_type_index)
{
GtkWidget *window;
if (widget_type_index == selected_widget_type)
return TRUE;
if (widget_types[widget_type_index].check != NULL &&
!widget_types[widget_type_index].check (fishbowl))
return FALSE;
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);
return TRUE;
}
G_MODULE_EXPORT void
fishbowl_next_button_clicked_cb (GtkButton *source,
gpointer user_data)
{
GtkFishbowl *fishbowl = user_data;
int new_index = selected_widget_type;
do
{
if (new_index + 1 >= N_WIDGET_TYPES)
new_index = 0;
else
new_index = new_index + 1;
}
while (!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 = selected_widget_type;
do
{
if (new_index - 1 < 0)
new_index = N_WIDGET_TYPES - 1;
else
new_index = new_index - 1;
}
while (!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_string (provider, css);
gtk_style_context_add_provider_for_display (gdk_display_get_default (),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
}
if (!window)
{
GtkBuilder *builder;
GtkBuilderScope *scope;
GtkWidget *bowl;
g_type_ensure (GTK_TYPE_FISHBOWL);
scope = gtk_builder_cscope_new ();
gtk_builder_cscope_add_callback (GTK_BUILDER_CSCOPE (scope), fishbowl_prev_button_clicked_cb);
gtk_builder_cscope_add_callback (GTK_BUILDER_CSCOPE (scope), fishbowl_next_button_clicked_cb);
gtk_builder_cscope_add_callback (GTK_BUILDER_CSCOPE (scope), fishbowl_changes_toggled_cb);
gtk_builder_cscope_add_callback (GTK_BUILDER_CSCOPE (scope), format_header_cb);
builder = gtk_builder_new ();
gtk_builder_set_scope (builder, scope);
gtk_builder_add_from_resource (builder, "/fishbowl/fishbowl.ui", NULL);
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);
g_object_unref (scope);
}
if (!gtk_widget_get_visible (window))
gtk_widget_set_visible (window, TRUE);
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}