Add debug button to request a log entry from the logcat thread

event_loop.cpp

@@ -109,7 +109,7 @@ static inline void main_window(bool latest_log_entries_read, bool* show_settings
 }
 
 #ifndef NDEBUG
-static inline void debug_window() {
+static inline void debug_window(LogcatThread& logcat_thread) {
     static bool show_demo_window = false;
     static size_t add_log_entry_presses = 1;
     static bool log_entry_every_second = false;
@@ -138,6 +138,9 @@ static inline void debug_window() {
     if (ImGui::Button("Add Log Entry with Newlines")) {
         log("The following should have five spaces: \"\n\n\n\n\n\"");
     }
+    if (ImGui::Button("Request log entry from Logcat thread")) {
+        logcat_thread.debug_log_request.test_and_set();
+    }
 
     if (log_entry_every_second) {
         log_entry_every_second_delta += ImGui::GetIO().DeltaTime;
@@ -159,7 +162,7 @@ void event_loop(ImFont* monospace_font, Config& config, float* config_write_time
     check_for_logcat_items(logcat_thread);
 
 #ifndef NDEBUG
-    debug_window();
+    debug_window(logcat_thread);
 #endif
 
     if (show_settings_window) {

logcat_thread.cpp

@@ -106,6 +106,12 @@ void LogcatThread::_run(std::stop_token stoken) {
 
     while (!stoken.stop_requested()) {
         printf("(boop)\n");
+#ifndef NDEBUG
+        if (this->debug_log_request.test()) {
+            this->atomic_ring_buffer.put_and_increment_write(format_log("A log entry from the logcat thread :D"));
+            this->debug_log_request.clear();
+        }
+#endif
 
         int ready_fds = epoll_wait(this->_epoll_fd, events, EPOLL_MAX_EVENTS, 1000);
         if (ready_fds == -1) {

logcat_thread.h

@@ -19,6 +19,10 @@ public:
 
     AtomicRingBuffer<LogcatThreadItem> atomic_ring_buffer;
 
+#ifndef NDEBUG
+    std::atomic_flag debug_log_request;
+#endif
+
 private:
     void _run(std::stop_token stoken);