New import

git-svn-id: http://tint2.googlecode.com/svn/trunk@13 121b4492-b84c-0410-8b4c-0d4edfb3f3cc

src/systray/net.c

@@ -0,0 +1,119 @@
+#include "net.h"
+#include "docker.h"
+#include "icons.h"
+#include <assert.h>
+
+Atom net_opcode_atom;
+Window net_sel_win;
+
+static Atom net_sel_atom;
+static Atom net_manager_atom;
+static Atom net_message_data_atom;
+
+/* defined in the systray spec */
+#define SYSTEM_TRAY_REQUEST_DOCK    0
+#define SYSTEM_TRAY_BEGIN_MESSAGE   1
+#define SYSTEM_TRAY_CANCEL_MESSAGE  2
+         
+static void net_create_selection_window()
+{
+  net_sel_win = XCreateSimpleWindow(display, root, -1, -1, 1, 1, 0, 0, 0);
+  assert(net_sel_win);
+}
+
+
+static void net_destroy_selection_window()
+{
+  XDestroyWindow(display, net_sel_win);
+  net_sel_win = None;
+}
+
+
+void net_init()
+{
+  char *name;
+  XEvent m;
+
+  name = g_strdup_printf("_NET_SYSTEM_TRAY_S%d", DefaultScreen(display));
+  net_sel_atom = XInternAtom(display, name, False);
+  assert(net_sel_atom);
+  net_opcode_atom = XInternAtom(display, "_NET_SYSTEM_TRAY_OPCODE", False);
+  assert(net_opcode_atom);
+  net_manager_atom = XInternAtom(display, "MANAGER", False);
+  assert(net_manager_atom);
+  net_message_data_atom = XInternAtom(display, "_NET_SYSTEM_TRAY_MESSAGE_DATA",
+                                      False);
+   assert(net_message_data_atom);
+
+  net_create_selection_window();
+  
+  XSetSelectionOwner(display, net_sel_atom, net_sel_win, CurrentTime);
+  if (XGetSelectionOwner(display, net_sel_atom) != net_sel_win)
+    return; /* we don't get the selection */
+
+  m.type = ClientMessage;
+  m.xclient.message_type = net_manager_atom;
+  m.xclient.format = 32;
+  m.xclient.data.l[0] = CurrentTime;
+  m.xclient.data.l[1] = net_sel_atom;
+  m.xclient.data.l[2] = net_sel_win;
+  m.xclient.data.l[3] = 0;
+  m.xclient.data.l[4] = 0;
+  XSendEvent(display, root, False, StructureNotifyMask, &m);
+}
+
+
+void net_destroy()
+{
+  net_destroy_selection_window();
+}
+
+
+void net_message(XClientMessageEvent *e)
+{
+  unsigned long opcode;
+  Window id;
+
+  assert(e);
+
+  opcode = e->data.l[1];
+
+  switch (opcode)
+  {
+  case SYSTEM_TRAY_REQUEST_DOCK: /* dock a new icon */
+    id = e->data.l[2];
+    if (id && icon_add(id, NET))
+      XSelectInput(display, id, StructureNotifyMask);
+    break;
+
+  case SYSTEM_TRAY_BEGIN_MESSAGE:
+    g_printerr("Message From Dockapp\n");
+    id = e->window;
+    break;
+
+  case SYSTEM_TRAY_CANCEL_MESSAGE:
+    g_printerr("Message Cancelled\n");
+    id = e->window;
+    break;
+
+  default:
+    if (opcode == net_message_data_atom) {
+      g_printerr("Text For Message From Dockapp:\n%s\n", e->data.b);
+      id = e->window;
+      break;
+    }
+    
+    /* unknown message type. not in the spec. */
+    g_printerr("Warning: Received unknown client message to System Tray "
+               "selection window.\n");
+    break;
+  }
+}
+
+
+void net_icon_remove(TrayWindow *traywin)
+{
+  assert(traywin);
+  
+  XSelectInput(display, traywin->id, NoEventMask);
+}