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#include <gtk/gtk.h>
static const gchar css[] =
".main.background { "
" background-image: -gtk-gradient (linear, center top, center bottom, "
" from (red), "
" to (blue)); "
" border-width: 0px; "
"}"
".titlebar.backdrop { "
" background-image: none; "
" background-color: @bg_color; "
" border-radius: 10px 10px 0px 0px; "
"}"
".titlebar { "
" background-image: -gtk-gradient (linear, center top, center bottom, "
" from (white), "
" to (@bg_color)); "
" border-radius: 10px 10px 0px 0px; "
"}";
static void
on_bookmark_clicked (GtkButton *button, gpointer data)
{
GtkWindow *window = GTK_WINDOW (data);
GtkWidget *chooser;
chooser = gtk_file_chooser_dialog_new ("File Chooser Test",
window,
GTK_FILE_CHOOSER_ACTION_OPEN,
"_Close",
GTK_RESPONSE_CLOSE,
NULL);
g_signal_connect (chooser, "response",
G_CALLBACK (gtk_widget_destroy), NULL);
gtk_widget_show (chooser);
}
static GtkWidget *header;
static void
change_subtitle (GtkButton *button, gpointer data)
{
if (!GTK_IS_HEADER_BAR (header))
return;
if (gtk_header_bar_get_subtitle (GTK_HEADER_BAR (header)) == NULL)
{
gtk_header_bar_set_subtitle (GTK_HEADER_BAR (header), "(subtle subtitle)");
}
else
{
gtk_header_bar_set_subtitle (GTK_HEADER_BAR (header), NULL);
}
}
static void
toggle_fullscreen (GtkButton *button, gpointer data)
{
GtkWidget *window = GTK_WIDGET (data);
static gboolean fullscreen = FALSE;
if (fullscreen)
{
gtk_window_unfullscreen (GTK_WINDOW (window));
fullscreen = FALSE;
}
else
{
gtk_window_fullscreen (GTK_WINDOW (window));
fullscreen = TRUE;
}
}
static void
change_header (GtkButton *button, gpointer data)
{
GtkWidget *window = GTK_WIDGET (data);
GtkWidget *label;
GtkWidget *widget;
GtkWidget *image;
GtkWidget *box;
if (button && gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))
{
header = gtk_event_box_new ();
gtk_style_context_add_class (gtk_widget_get_style_context (header), "titlebar");
gtk_style_context_add_class (gtk_widget_get_style_context (header), "header-bar");
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
g_object_set (box, "margin", 10, NULL);
gtk_container_add (GTK_CONTAINER (header), box);
label = gtk_label_new ("Label");
gtk_box_pack_start (GTK_BOX (box), label);
widget = gtk_level_bar_new ();
gtk_level_bar_set_value (GTK_LEVEL_BAR (widget), 0.4);
gtk_widget_set_hexpand (widget, TRUE);
gtk_box_pack_start (GTK_BOX (box), widget);
}
else
{
header = gtk_header_bar_new ();
gtk_style_context_add_class (gtk_widget_get_style_context (header), "titlebar");
gtk_header_bar_set_title (GTK_HEADER_BAR (header), "Example header");
widget = gtk_button_new_with_label ("_Close");
gtk_button_set_use_underline (GTK_BUTTON (widget), TRUE);
gtk_style_context_add_class (gtk_widget_get_style_context (widget), "suggested-action");
g_signal_connect (widget, "clicked", G_CALLBACK (gtk_main_quit), NULL);
gtk_header_bar_pack_end (GTK_HEADER_BAR (header), widget);
widget= gtk_button_new ();
image = gtk_image_new_from_icon_name ("bookmark-new-symbolic", GTK_ICON_SIZE_BUTTON);
g_signal_connect (widget, "clicked", G_CALLBACK (on_bookmark_clicked), window);
gtk_container_add (GTK_CONTAINER (widget), image);
gtk_header_bar_pack_start (GTK_HEADER_BAR (header), widget);
}
gtk_window_set_titlebar (GTK_WINDOW (window), header);
}
int
main (int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *box;
GtkWidget *footer;
GtkWidget *button;
GtkWidget *content;
GtkCssProvider *provider;
gtk_init ();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_style_context_add_class (gtk_widget_get_style_context (window), "main");
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_data (provider, css, -1);
gtk_style_context_add_provider_for_screen (gtk_widget_get_screen (window),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_USER);
change_header (NULL, window);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (window), box);
footer = gtk_action_bar_new ();
gtk_action_bar_set_center_widget (GTK_ACTION_BAR (footer), gtk_check_button_new_with_label ("Middle"));
button = gtk_toggle_button_new_with_label ("Custom");
g_signal_connect (button, "clicked", G_CALLBACK (change_header), window);
gtk_action_bar_pack_start (GTK_ACTION_BAR (footer), button);
button = gtk_button_new_with_label ("Subtitle");
g_signal_connect (button, "clicked", G_CALLBACK (change_subtitle), NULL);
gtk_action_bar_pack_end (GTK_ACTION_BAR (footer), button);
button = gtk_button_new_with_label ("Fullscreen");
gtk_action_bar_pack_end (GTK_ACTION_BAR (footer), button);
g_signal_connect (button, "clicked", G_CALLBACK (toggle_fullscreen), window);
gtk_box_pack_end (GTK_BOX (box), footer);
content = gtk_image_new_from_icon_name ("start-here-symbolic", GTK_ICON_SIZE_DIALOG);
gtk_image_set_pixel_size (GTK_IMAGE (content), 512);
gtk_box_pack_start (GTK_BOX (box), content);
gtk_widget_show (window);
gtk_main ();
gtk_widget_destroy (window);
return 0;
}
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