gtk2/demos/gtk-demo/fishbowl.c
2018-08-25 08:06:37 +02:00

285 lines
6.7 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"
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)
{
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)];
}
GtkWidget *
create_icon (void)
{
GtkWidget *image;
image = gtk_image_new_from_icon_name (get_random_icon_name (gtk_icon_theme_get_default ()));
gtk_image_set_icon_size (GTK_IMAGE (image), GTK_ICON_SIZE_LARGE);
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;
}
static GtkWidget *
create_video (void)
{
GtkMediaStream *stream = gtk_media_file_new_for_resource ("/images/gtk-logo.webm");
GtkWidget *w = gtk_picture_new_for_paintable (GDK_PAINTABLE (stream));
gtk_widget_set_size_request (w, 64, 64);
gtk_media_stream_set_loop (stream, TRUE);
gtk_media_stream_play (stream);
g_object_unref (stream);
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 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 },
};
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, *headerbar;
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_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);
}
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
new_index = selected_widget_type + 1;
set_widget_type (fishbowl, new_index);
}
void
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);
}
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");
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"));
set_widget_type (GTK_FISHBOWL (bowl), 0);
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
gtk_widget_realize (window);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show (window);
else
gtk_widget_destroy (window);
return window;
}