Add and use puglX11SetWindowTypeAndPID as old code used to do

Signed-off-by: falkTX <falktx@falktx.com>

dgl/src/WindowPrivateData.cpp

@@ -902,9 +902,9 @@ PuglStatus Window::PrivateData::puglEventCallback(PuglView* const view, const Pu
 
     ///< View created, a #PuglEventCreate
     case PUGL_CREATE:
-#ifdef DGL_PUGL_USING_X11
+#ifdef HAVE_X11
         if (! pData->isEmbed)
-            puglExtraSetWindowTypeAndPID(view);
+            puglX11SetWindowTypeAndPID(view);
 #endif
         break;
 

dgl/src/pugl.cpp

@@ -601,9 +601,9 @@ void puglWin32SetWindowResizable(PuglView* const view, const bool resizable)
 // --------------------------------------------------------------------------------------------------------------------
 // X11 specific, safer way to grab focus
 
-PuglStatus puglX11GrabFocus(PuglView* const view)
+PuglStatus puglX11GrabFocus(const PuglView* const view)
 {
-    PuglInternals* const impl = view->impl;
+    const PuglInternals* const impl = view->impl;
 
     XWindowAttributes wa;
     std::memset(&wa, 0, sizeof(wa));
@@ -620,6 +620,29 @@ PuglStatus puglX11GrabFocus(PuglView* const view)
     return PUGL_SUCCESS;
 }
 
+// --------------------------------------------------------------------------------------------------------------------
+// X11 specific, set dialog window type and pid hints
+
+void puglX11SetWindowTypeAndPID(const PuglView* const view)
+{
+    const PuglInternals* const impl = view->impl;
+
+    const pid_t pid = getpid();
+    const Atom _nwp = XInternAtom(impl->display, "_NET_WM_PID", False);
+    XChangeProperty(impl->display, impl->win, _nwp, XA_CARDINAL, 32, PropModeReplace, (const uchar*)&pid, 1);
+
+    const Atom _wt = XInternAtom(impl->display, "_NET_WM_WINDOW_TYPE", False);
+
+    // Setting the window to both dialog and normal will produce a decorated floating dialog
+    // Order is important: DIALOG needs to come before NORMAL
+    const Atom _wts[2] = {
+        XInternAtom(impl->display, "_NET_WM_WINDOW_TYPE_DIALOG", False),
+        XInternAtom(impl->display, "_NET_WM_WINDOW_TYPE_NORMAL", False)
+    };
+
+    XChangeProperty(impl->display, impl->win, _wt, XA_ATOM, 32, PropModeReplace, (const uchar*)&_wts, 2);
+}
+
 // --------------------------------------------------------------------------------------------------------------------
 // X11 specific stuff for sofd
 

dgl/src/pugl.hpp

@@ -130,7 +130,11 @@ puglWin32SetWindowResizable(PuglView* view, bool resizable);
 #ifdef HAVE_X11
 // X11 specific, safer way to grab focus
 PUGL_API PuglStatus
-puglX11GrabFocus(PuglView* view);
+puglX11GrabFocus(const PuglView* view);
+
+// X11 specific, set dialog window type and pid hints
+PUGL_API void
+puglX11SetWindowTypeAndPID(const PuglView* view);
 
 // X11 specific, show file dialog via sofd
 PUGL_API bool