This will switch themes. You need themes for it to compile so you

need to edit the gnome-core/capplets/Makefile.am and gnome-core/configure.in to get this to compile. If you do, it's pretty cool...
1998-09-23 02:39:17 +00:00 · 1998-09-23 02:39:17 +00:00 · 724309cdfb
commit 724309cdfb
parent 8196fea9a9
21 changed files with 2671 additions and 0 deletions
--- a/capplets/theme-switcher/demo.c-45827
+++ b/capplets/theme-switcher/demo.c-45827
@ -0,0 +1,135 @@
+#include "da.h"
+
+GtkWidget *plug;
+
+gint pid;
+void
+send_socket()
+{
+  gchar buffer[256];
+  
+  g_snprintf(buffer, sizeof(buffer), "%11x ", 
+	     GDK_WINDOW_XWINDOW (preview_socket->window));
+  write(prog_fd, buffer, strlen(buffer));
+}
+
+void
+send_reread()
+{
+  gchar buffer[256];
+  
+  g_snprintf(buffer, sizeof(buffer), "R ");
+  write(prog_fd, buffer, strlen(buffer));
+  fsync(prog_fd);
+}
+
+void
+demo_data_in(gpointer data, gint source, GdkInputCondition condition)
+{
+  gchar buf[256];
+  
+  read(0, buf, 2);
+  if (gtk_rc_reparse_all ())
+    gtk_widget_reset_rc_styles(plug);
+}
+
+#define NUM 50
+
+void demo_main(int argc, char **argv)
+{
+  gchar buf[256];
+  XID window;
+  GtkWidget *w[NUM], *hb, *vb[5], *widg, *ww, *www, *l;
+  int j, i;
+  
+  read(0, buf, 12);
+  buf[12] = 0;
+  sscanf(buf, "%x", &window);
+
+  fcntl(0, F_SETFL, O_NONBLOCK);
+  
+  gtk_init (&argc, &argv);
+  gtk_rc_parse(gtkrc_tmp);  
+  
+  plug = gtk_plug_new(window);
+  gtk_widget_show(plug);
+
+  hb = gtk_hbox_new(TRUE, 4);
+  gtk_container_add(GTK_CONTAINER(plug), hb);
+  gtk_widget_show(hb);
+  
+  for(i=0; i<5;i++)
+    {
+      vb[i] = gtk_vbox_new(TRUE, 4);
+      gtk_box_pack_start(GTK_BOX(hb), vb[i], TRUE, TRUE, 0);
+      gtk_widget_show(vb[i]);
+    }
+  
+  j= 0;
+  w[j++] = widg = 
+    gtk_button_new_with_label("A Button");
+  gtk_box_pack_start(GTK_BOX(vb[0]), widg , TRUE, TRUE, 0);
+  w[j++] = widg = 
+    gtk_check_button_new_with_label("A Check Button");
+  gtk_box_pack_start(GTK_BOX(vb[0]), widg , TRUE, TRUE, 0);
+  w[j++] = widg = 
+    gtk_radio_button_new_with_label(NULL, "A Radio Button");
+  gtk_box_pack_start(GTK_BOX(vb[0]), widg , TRUE, TRUE, 0);
+  ww = gtk_menu_new();
+  gtk_widget_show(ww);
+  www = gtk_menu_item_new_with_label("Menu 1");
+  gtk_widget_show(www);
+  gtk_menu_append(GTK_MENU(ww), www);
+  www = gtk_menu_item_new_with_label("Menu 2");
+  gtk_widget_show(www);
+  gtk_menu_append(GTK_MENU(ww), www);
+  www = gtk_menu_item_new_with_label("Menu 3");
+  gtk_widget_show(www);
+  gtk_menu_append(GTK_MENU(ww), www);
+  www = gtk_menu_item_new_with_label("Menu 4");
+  gtk_widget_show(www);
+  gtk_menu_append(GTK_MENU(ww), www);
+  www = gtk_menu_item_new_with_label("Menu 5");
+  gtk_widget_show(www);
+  gtk_menu_append(GTK_MENU(ww), www);
+  w[j++] = widg = 
+    gtk_option_menu_new();
+  gtk_box_pack_start(GTK_BOX(vb[0]), widg , TRUE, TRUE, 0);
+  gtk_option_menu_set_menu(GTK_OPTION_MENU(widg), ww);
+  w[j++] = widg = 
+    gtk_gamma_curve_new();
+  gtk_box_pack_start(GTK_BOX(vb[1]), widg , TRUE, TRUE, 0);
+  
+  for (i=0; i< j; i++)
+    gtk_widget_show(w[i]);
+
+  gdk_input_add_full(0, GDK_INPUT_READ, demo_data_in, NULL, NULL);
+  
+  gtk_main ();
+}
+
+void
+do_demo(int argc, char **argv)
+{
+  gint toProg[2];
+  
+  pipe(toProg);
+  
+  if (!(pid = fork()))
+    {
+      close(toProg[1]);
+      dup2(toProg[0], 0);   /* Make stdin the in pipe */
+      close(toProg[0]);
+      demo_main(argc, argv);
+    }
+  else if (pid > 0)
+    {
+      close(toProg[0]);
+      prog_fd = toProg[1];
+    }
+  else
+    {
+      /* baaaaaaaah eeeeek */
+    }
+  
+}