X-Git-Url: https://git.brokenzipper.com/gitweb?a=blobdiff_plain;f=src%2FXAtom.cc;h=bfd58483e7bb6f1b41995408ec18d8df15e2623e;hb=87e63d53af67d5ea98f55a27007663d4c9c8fc6c;hp=2f560995a5e73c7e7c110dccf7c3cde40eed7844;hpb=25f3456b5db01c1383d7778382ece0e73bf66d55;p=chaz%2Fopenbox

diff --git a/src/XAtom.cc b/src/XAtom.cc
index 2f560995..bfd58483 100644
--- a/src/XAtom.cc
+++ b/src/XAtom.cc
@@ -52,6 +52,7 @@ XAtom::XAtom(Display *d) {
   _atoms[wm_take_focus] = create("WM_TAKE_FOCUS");
   _atoms[wm_name] = create("WM_NAME");
   _atoms[wm_icon_name] = create("WM_ICON_NAME");
+  _atoms[wm_class] = create("WM_CLASS");
   _atoms[motif_wm_hints] = create("_MOTIF_WM_HINTS");
   _atoms[blackbox_hints] = create("_BLACKBOX_HINTS");
   _atoms[blackbox_attributes] = create("_BLACKBOX_ATTRIBUTES");
@@ -76,6 +77,9 @@ XAtom::XAtom(Display *d) {
     create("_BLACKBOX_CHANGE_WINDOW_FOCUS");
   _atoms[blackbox_cycle_window_focus] = create("_BLACKBOX_CYCLE_WINDOW_FOCUS");
 
+  _atoms[openbox_show_root_menu] = create("_OPENBOX_SHOW_ROOT_MENU");
+  _atoms[openbox_show_workspace_menu] = create("_OPENBOX_SHOW_WORKSPACE_MENU");
+
   _atoms[net_supported] = create("_NET_SUPPORTED");
   _atoms[net_client_list] = create("_NET_CLIENT_LIST");
   _atoms[net_client_list_stacking] = create("_NET_CLIENT_LIST_STACKING");
@@ -150,6 +154,8 @@ XAtom::XAtom(Display *d) {
   _atoms[kde_net_system_tray_windows] = create("_KDE_NET_SYSTEM_TRAY_WINDOWS");
   _atoms[kde_net_wm_system_tray_window_for] =
     create("_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR");
+  _atoms[kde_net_wm_window_type_override] =
+    create("_KDE_NET_WM_WINDOW_TYPE_OVERRIDE");
 }
 
 
@@ -304,7 +310,7 @@ void XAtom::setValue(Window win, Atoms atom, StringType type,
   switch (type) {
   case ansi: t = _atoms[string]; break;
   case utf8: t = _atoms[utf8_string]; break;
-  default: assert(False); // unhandled StringType
+  default: assert(False); return; // unhandled StringType
   }
   setValue(win, _atoms[atom], t,
            reinterpret_cast<unsigned char *>(const_cast<char *>(value.c_str())),
@@ -353,47 +359,52 @@ bool XAtom::getValue(Window win, Atom atom, Atom type,
   assert(win != None); assert(atom != None); assert(type != None);
   assert(size == 8 || size == 16 || size == 32);
   assert(nelements > 0);
-  unsigned char *c_val = 0;        // value alloc'd with c malloc
+  unsigned char *c_val = 0;        // value alloc'd in Xlib, must be XFree()d
   Atom ret_type;
   int ret_size;
   unsigned long ret_bytes;
   int result;
-  const unsigned long maxread = nelements;
+  unsigned long maxread = nelements;
+  bool ret = False;
+
   // try get the first element
   result = XGetWindowProperty(_display, win, atom, 0l, 1l, False,
                               AnyPropertyType, &ret_type, &ret_size,
                               &nelements, &ret_bytes, &c_val);
-  if (result != Success || ret_type != type || ret_size != size ||
-      nelements < 1) {
-    // an error occured, the property does not exist on the window, or is empty,
-    // or the wrong data is in property for the request
-    if (c_val) XFree(c_val);
-    return False;
-  }
-  // the data is correct, now, is there more elements left?
-  if (ret_bytes == 0 || maxread <= nelements) {
-    // we got the whole property's value
-    *value = new unsigned char[nelements * size/8 + 1];
-    memcpy(*value, c_val, nelements * size/8 + 1);
-    XFree(c_val);
-    return True;    
+  ret = (result == Success && ret_type == type && ret_size == size &&
+         nelements > 0);
+  if (ret) {
+    if (ret_bytes == 0 || maxread <= nelements) {
+      // we got the whole property's value
+      *value = new unsigned char[nelements * size/8 + 1];
+      memcpy(*value, c_val, nelements * size/8 + 1);
+    } else {
+      // get the entire property since it is larger than one long
+      XFree(c_val);
+      // the number of longs that need to be retreived to get the property's
+      // entire value. The last + 1 is the first long that we retrieved above.
+      int remain = (ret_bytes - 1)/sizeof(long) + 1 + 1;
+      if (remain > size/8 * (signed)maxread) // dont get more than the max
+        remain = size/8 * (signed)maxread;
+      result = XGetWindowProperty(_display, win, atom, 0l, remain, False, type,
+                                  &ret_type, &ret_size, &nelements, &ret_bytes,
+                                  &c_val);
+      ret = (result == Success && ret_type == type && ret_size == size &&
+             ret_bytes == 0);
+      /*
+        If the property has changed type/size, or has grown since our first
+        read of it, then stop here and try again. If it shrank, then this will
+        still work.
+      */
+      if (! ret)
+        return getValue(win, atom, type, maxread, value, size);
+  
+      *value = new unsigned char[nelements * size/8 + 1];
+      memcpy(*value, c_val, nelements * size/8 + 1);
+    }    
   }
-  // get the entire property since it is larger than one long
-  XFree(c_val);
-  // the number of longs that need to be retreived to get the property's entire
-  // value. The last + 1 is the first long that we retrieved above.
-  int remain = (ret_bytes - 1)/sizeof(long) + 1 + 1;
-  if (remain > size/8 * (signed)maxread) // dont get more than the max
-    remain = size/8 * (signed)maxread;
-  result = XGetWindowProperty(_display, win, atom, 0l, remain, False, type,
-                              &ret_type, &ret_size, &nelements, &ret_bytes,
-                              &c_val);
-  assert(result == Success);
-  assert(ret_bytes == 0);
-  *value = new unsigned char[nelements * size/8 + 1];
-  memcpy(*value, c_val, nelements * size/8 + 1);
-  XFree(c_val);
-  return True;    
+  if (c_val) XFree(c_val);
+  return ret;
 }
 
 
@@ -454,7 +465,7 @@ bool XAtom::getValue(Window win, Atoms atom, StringType type,
   switch (type) {
   case ansi: t = _atoms[string]; break;
   case utf8: t = _atoms[utf8_string]; break;
-  default: assert(False); return; // unhandled StringType
+  default: assert(False); return False; // unhandled StringType
   }
   
   unsigned char *value;
@@ -471,10 +482,10 @@ bool XAtom::getValue(Window win, Atoms atom, StringType type,
     std::string::const_iterator tmp = it; // current string.begin()
     it = std::find(tmp, end, '\0');       // look for null between tmp and end
     strings.push_back(std::string(tmp, it));   // s[tmp:it)
+    ++num;
     if (it == end) break;
     ++it;
     if (it == end) break;
-    ++num;
   }
 
   nelements = num;
@@ -490,3 +501,26 @@ void XAtom::eraseValue(Window win, Atoms atom) const {
   assert(atom >= 0 && atom < NUM_ATOMS);
   XDeleteProperty(_display, win, _atoms[atom]);
 }
+
+
+void XAtom::sendClientMessage(Window target, Atoms type, Window about,
+                              long data, long data1, long data2,
+                              long data3, long data4) const {
+  assert(atom >= 0 && atom < NUM_ATOMS);
+  assert(target != None);
+
+  XEvent e;
+  e.xclient.type = ClientMessage;
+  e.xclient.format = 32;
+  e.xclient.message_type = _atoms[type];
+  e.xclient.window = about;
+  e.xclient.data.l[0] = data;
+  e.xclient.data.l[1] = data1;
+  e.xclient.data.l[2] = data2;
+  e.xclient.data.l[3] = data3;
+  e.xclient.data.l[4] = data4;
+
+  XSendEvent(_display, target, False,
+             SubstructureRedirectMask | SubstructureNotifyMask,
+             &e);
+}