mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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119 lines
3.7 KiB
C
119 lines
3.7 KiB
C
#include <gtk/gtk.h>
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static const gchar css[] =
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".background { "
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" background-image: -gtk-gradient (linear, center top, center bottom, "
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" from (red), "
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" to (blue)); "
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" border-radius: 10px 10px 0px 0px; "
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" border-width: 0px; "
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"}"
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".titlebar:backdrop { "
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" background-image: none; "
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" background-color: @bg_color; "
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" border-radius: 10px 10px 0px 0px; "
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"}"
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".titlebar { "
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" background-image: -gtk-gradient (linear, center top, center bottom, "
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" from (white), "
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" to (@bg_color)); "
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" border-radius: 10px 10px 0px 0px; "
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"}";
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static void
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change_title (GtkButton *button, gpointer data)
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{
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GtkWidget *headerbar = GTK_WIDGET (data);
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if (gtk_header_bar_get_custom_title (GTK_HEADER_BAR (headerbar)) == NULL)
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{
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gtk_header_bar_set_custom_title (GTK_HEADER_BAR (headerbar), gtk_check_button_new_with_label ("Middle"));
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}
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else
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{
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gtk_header_bar_set_custom_title (GTK_HEADER_BAR (headerbar), NULL);
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gtk_header_bar_set_title (GTK_HEADER_BAR (headerbar), "Middle");
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}
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}
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static void
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change_subtitle (GtkButton *button, gpointer data)
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{
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GtkWidget *headerbar = GTK_WIDGET (data);
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if (gtk_header_bar_get_subtitle (GTK_HEADER_BAR (headerbar)) == NULL)
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{
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gtk_header_bar_set_subtitle (GTK_HEADER_BAR (headerbar), "(subtle subtitle)");
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}
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else
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{
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gtk_header_bar_set_subtitle (GTK_HEADER_BAR (headerbar), NULL);
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}
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}
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int
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main (int argc, char *argv[])
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{
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GtkWidget *window;
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GtkWidget *box;
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GtkWidget *header;
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GtkWidget *footer;
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GtkWidget *button;
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GtkWidget *image;
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GtkWidget *content;
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GtkCssProvider *provider;
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gtk_init (NULL, NULL);
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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header = gtk_header_bar_new ();
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gtk_style_context_add_class (gtk_widget_get_style_context (header), "titlebar");
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provider = gtk_css_provider_new ();
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gtk_css_provider_load_from_data (provider, css, -1, NULL);
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gtk_style_context_add_provider_for_screen (gtk_widget_get_screen (window),
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GTK_STYLE_PROVIDER (provider),
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GTK_STYLE_PROVIDER_PRIORITY_USER);
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gtk_header_bar_set_title (GTK_HEADER_BAR (header), "Example header");
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button = gtk_button_new_from_stock (GTK_STOCK_CLOSE);
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gtk_style_context_add_class (gtk_widget_get_style_context (button), "suggested-action");
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g_signal_connect (button, "clicked", G_CALLBACK (gtk_main_quit), NULL);
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gtk_header_bar_pack_end (GTK_HEADER_BAR (header), button);
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button = gtk_button_new ();
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image = gtk_image_new_from_icon_name ("bookmark-new-symbolic", GTK_ICON_SIZE_BUTTON);
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gtk_container_add (GTK_CONTAINER (button), image);
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gtk_header_bar_pack_start (GTK_HEADER_BAR (header), button);
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gtk_window_set_titlebar (GTK_WINDOW (window), header);
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box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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gtk_container_add (GTK_CONTAINER (window), box);
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footer = gtk_header_bar_new ();
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button = gtk_button_new_with_label ("Start");
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g_signal_connect (button, "clicked", G_CALLBACK (change_title), footer);
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gtk_header_bar_pack_start (GTK_HEADER_BAR (footer), button);
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gtk_header_bar_set_custom_title (GTK_HEADER_BAR (footer), gtk_check_button_new_with_label ("Middle"));
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button = gtk_button_new_with_label ("End 1");
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g_signal_connect (button, "clicked", G_CALLBACK (change_subtitle), header);
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gtk_header_bar_pack_end (GTK_HEADER_BAR (footer), button);
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gtk_header_bar_pack_end (GTK_HEADER_BAR (footer), gtk_button_new_with_label ("End 2"));
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gtk_box_pack_end (GTK_BOX (box), footer, FALSE, FALSE, 0);
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content = gtk_image_new_from_icon_name ("start-here-symbolic", GTK_ICON_SIZE_DIALOG);
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gtk_image_set_pixel_size (GTK_IMAGE (content), 512);
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gtk_box_pack_start (GTK_BOX (box), content, FALSE, TRUE, 0);
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gtk_widget_show_all (window);
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gtk_main ();
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return 0;
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}
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