Author: bgstack15
Date: 2022-11-09
Version: fluxbox 1.3.5
Source: original
Summary: Add "(on $CLIENT)" to titlebar for forwarded windows
Message: 
Inspired by xfwm4's ability to display the remote host running an X11 window. This fails on xfe which somehow lacks the WM_CLIENT_MACHINE property.
--- a/src/Xutil.cc
+++ b/src/Xutil.cc
@@ -43,6 +43,51 @@ using std::endl;
 
 namespace Xutil {
 
+FbTk::FbString getWMClientMachine(Window window) {
+
+    if (window == None)
+        return FbTk::FbString("");
+
+    Display *display = FbTk::App::instance()->display();
+
+    XTextProperty text_prop;
+    text_prop.value = 0;
+    char **list = 0;
+    int num = 0;
+    _FB_USES_NLS;
+    FbTk::FbString name;
+
+    if (XGetWMClientMachine(display, window, &text_prop)) {
+        if (text_prop.value && text_prop.nitems > 0) {
+            if (text_prop.encoding != XA_STRING) {
+
+                text_prop.nitems = strlen((char *) text_prop.value);
+                XmbTextPropertyToTextList(display, &text_prop, &list, &num);
+
+                if (num > 0 && list != 0)
+                    name = FbTk::FbStringUtil::LocaleStrToFb(static_cast<char *>(*list));
+                else
+                    name = text_prop.value ? FbTk::FbStringUtil::XStrToFb((char *)text_prop.value) : "";
+
+                if (list)
+                    XFreeStringList(list);
+
+            } else
+                name = text_prop.value ? FbTk::FbStringUtil::XStrToFb((char *)text_prop.value) : "";
+
+            XFree(text_prop.value);
+
+        } else { // default name
+            name = _FB_XTEXT(Window, Unnamed, "Unnamed", "Default name for a window without a WM_NAME");
+        }
+    } else {
+        // default name
+        name = _FB_XTEXT(Window, Unnamed, "Unnamed", "Default name for a window without a WM_NAME");
+    }
+
+    return name;
+}
+
 FbTk::FbString getWMName(Window window) {
 
     if (window == None)
--- a/src/Xutil.hh
+++ b/src/Xutil.hh
@@ -28,6 +28,7 @@
 
 namespace Xutil {
 
+FbTk::FbString getWMClientMachine(Window window);
 FbTk::FbString getWMName(Window window);
 
 FbTk::FbString getWMClassName(Window win);
--- a/src/WinClient.cc
+++ b/src/WinClient.cc
@@ -211,6 +211,10 @@ bool WinClient::getAttrib(XWindowAttribu
     return XGetWindowAttributes(display(), window(), &attr);
 }
 
+bool WinClient::getWMClientMachine(XTextProperty &textprop) const {
+    return XGetWMClientMachine(display(), window(), &textprop);
+}
+
 bool WinClient::getWMName(XTextProperty &textprop) const {
     return XGetWMName(display(), window(), &textprop);
 }
@@ -313,12 +317,26 @@ void WinClient::updateTitle() {
     if (m_title_override)
         return;
 
-    m_title.setLogical(FbTk::FbString(Xutil::getWMName(window()), 0, 512));
+    FbTk::FbString fullname = FbTk::FbString(Xutil::getWMName(window()), 0, 512);
+    FbTk::FbString clientmachine = FbTk::FbString(Xutil::getWMClientMachine(window()), 0, 512);
+    char *host = new char[512]; gethostname(host, 512);
+    FbTk::FbString hostname = FbTk::FbString(host);
+    if (clientmachine != "Unnamed" && clientmachine != "" && clientmachine != hostname) {
+        fullname += " (on " + clientmachine + ")";
+    }
+    m_title.setLogical(fullname);
     titleSig().emit(m_title.logical(), *this);
 }
 
 void WinClient::setTitle(const FbTk::FbString &title) {
-    m_title.setLogical(title);
+    FbTk::FbString fullname = title;
+    FbTk::FbString clientmachine = FbTk::FbString(Xutil::getWMClientMachine(window()), 0, 512);
+    char *host = new char[512]; gethostname(host, 512);
+    FbTk::FbString hostname = FbTk::FbString(host);
+    if (clientmachine != "Unnamed" && clientmachine != "" && clientmachine != hostname) {
+        fullname += " (on " + clientmachine + ")";
+    }
+    m_title.setLogical(fullname);
     m_title_override = true;
     titleSig().emit(m_title.logical(), *this);
 }
--- a/src/WinClient.hh
+++ b/src/WinClient.hh
@@ -91,6 +91,7 @@ public:
     //
 
     bool getAttrib(XWindowAttributes &attr) const;
+    bool getWMClientMachine(XTextProperty &textprop) const;
     bool getWMName(XTextProperty &textprop) const;
     bool getWMIconName(XTextProperty &textprop) const;
     std::string getWMRole() const;