specify the window title

src/beauty/beauty-demo.cpp

@@ -200,7 +200,7 @@ int main(int argc, char **argv) {
     cv::VideoWriter writer(OUTPUT_FILENAME, cv::CAP_FFMPEG, cv::VideoWriter::fourcc('V', 'P', '9', '0'), fps, cv::Size(WIDTH, HEIGHT), { cv::VIDEOWRITER_PROP_HW_ACCELERATION, cv::VIDEO_ACCELERATION_VAAPI, cv::VIDEOWRITER_PROP_HW_ACCELERATION_USE_OPENCL, 1 });
 
     if (!OFFSCREEN)
-        x11::init();
+        x11::init("beauty-demo");
     egl::init();
     gl::init();
     nvg::init();

src/common/subsystems.hpp

@@ -4,6 +4,7 @@
 #include <dirent.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <string>
 #include <filesystem>
 #include <va/va.h>
 #include <va/va_drm.h>
@@ -122,7 +123,7 @@ bool window_closed() {
     return false;
 }
 
-void init() {
+void init(const std::string& title) {
     xdisplay = XOpenDisplay(nullptr);
     if (xdisplay == nullptr) {
         cerr << "Unable to open X11 display" << endl;
@@ -149,7 +150,7 @@ void init() {
     XSetWMHints(xdisplay, xwin, &hints);
 
     XMapWindow(xdisplay, xwin);
-    XStoreName(xdisplay, xwin, "nanovg-demo");
+    XStoreName(xdisplay, xwin, title.c_str());
     wmDeleteMessage = XInternAtom(xdisplay, "WM_DELETE_WINDOW", False);
     XSetWMProtocols(xdisplay, xwin, &wmDeleteMessage, 1);
 

src/font/font-demo.cpp

@@ -40,7 +40,7 @@ int main(int argc, char **argv) {
 
     //If we render offscreen we don't need x11.
     if (!OFFSCREEN)
-        x11::init();
+        x11::init("font-demo");
     //Passing 'true' to egl::init() creates a debug OpenGL-context.
     egl::init();
     //Initialize OpenGL.

src/nanovg/nanovg-demo.cpp

@@ -149,7 +149,7 @@ int main(int argc, char **argv) {
     });
 
     if (!OFFSCREEN)
-        x11::init();
+        x11::init("nanovg-demo");
     egl::init();
     gl::init();
     nvg::init();

src/optflow/optflow-demo.cpp

@@ -204,7 +204,7 @@ int main(int argc, char **argv) {
     });
 
     if (!OFFSCREEN)
-        x11::init();
+        x11::init("optflow-demo");
     egl::init();
     gl::init();
     nvg::init();

src/pedestrian/pedestrian-demo.cpp

@@ -67,7 +67,7 @@ int main(int argc, char **argv) {
 //    });
 
     if (!OFFSCREEN)
-        x11::init();
+        x11::init("pedestrian-demo");
     egl::init();
     gl::init();
     nvg::init();

src/tetra/tetra-demo.cpp

@@ -95,7 +95,7 @@ int main(int argc, char **argv) {
 
     //If we are rendering offscreen we don't need x11
     if(!OFFSCREEN)
-        x11::init();
+        x11::init("tetra-demo");
 
     //Passing true to init_egl will create a OpenGL debug context
     egl::init();

src/video/video-demo.cpp

@@ -113,7 +113,7 @@ int main(int argc, char **argv) {
 
     //If we are rendering offscreen we don't need x11
     if(!OFFSCREEN)
-        x11::init();
+        x11::init("video-demo");
 
     //Passing true to init_egl will create a OpenGL debug context
     egl::init();