gtk/demos/gtk-demo/sidebar.c
2020-07-25 00:47:36 +02:00

84 lines
2.4 KiB
C

/* Stack Sidebar
*
* GtkStackSidebar provides an automatic sidebar widget to control
* navigation of a GtkStack object. This widget automatically updates it
* content based on what is presently available in the GtkStack object,
* and using the "title" child property to set the display labels.
*/
#include <glib/gi18n.h>
#include <gtk/gtk.h>
GtkWidget *
do_sidebar (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
GtkWidget *sidebar;
GtkWidget *stack;
GtkWidget *box;
GtkWidget *widget;
GtkWidget *header;
const char * pages[] = {
"Welcome to GTK",
"GtkStackSidebar Widget",
"Automatic navigation",
"Consistent appearance",
"Scrolling",
"Page 6",
"Page 7",
"Page 8",
"Page 9",
NULL
};
const char *c = NULL;
guint i;
if (!window)
{
window = gtk_window_new ();
gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
gtk_widget_set_size_request (window, 500, 350);
header = gtk_header_bar_new ();
gtk_window_set_titlebar (GTK_WINDOW(window), header);
gtk_window_set_title (GTK_WINDOW(window), "Stack Sidebar");
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
sidebar = gtk_stack_sidebar_new ();
gtk_box_append (GTK_BOX (box), sidebar);
stack = gtk_stack_new ();
gtk_stack_set_transition_type (GTK_STACK (stack), GTK_STACK_TRANSITION_TYPE_SLIDE_UP_DOWN);
gtk_stack_sidebar_set_stack (GTK_STACK_SIDEBAR (sidebar), GTK_STACK (stack));
gtk_widget_set_hexpand (stack, TRUE);
gtk_box_append (GTK_BOX (box), stack);
for (i=0; (c = *(pages+i)) != NULL; i++ )
{
if (i == 0)
{
widget = gtk_image_new_from_icon_name ("org.gtk.Demo4");
gtk_widget_add_css_class (widget, "icon-dropshadow");
gtk_image_set_pixel_size (GTK_IMAGE (widget), 256);
}
else
{
widget = gtk_label_new (c);
}
gtk_stack_add_named (GTK_STACK (stack), widget, c);
g_object_set (gtk_stack_get_page (GTK_STACK (stack), widget), "title", c, NULL);
}
gtk_window_set_child (GTK_WINDOW (window), box);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show (window);
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}