Gui improvements and optimizations

src/transcript_browser/searching_thread.cpp

@@ -0,0 +1,45 @@
+Arena         MatchesArena;
+Array<String> Matches = {MatchesArena};
+char          Prompt[256];
+
+std::mutex            SearchThreadArrayMutex;
+std::binary_semaphore SearchThreadSemaphore{0};
+bool                  SearchThreadStopSearching = false;
+bool                  SearchThreadRunning       = true;
+void                  SearchThreadEntry() {
+    InitArena(&MatchesArena);
+    for (;;) {
+        SearchThreadSemaphore.acquire();
+        if (!SearchThreadRunning) break;
+        SearchThreadStopSearching = false;
+
+        if (Prompt[0]) {
+            SearchThreadArrayMutex.lock();
+            {
+                Matches.clear();
+            }
+            SearchThreadArrayMutex.unlock();
+
+            String  buffer = {(char *)XArena.data, (int64_t)XArena.len};
+            String  find   = Prompt;
+            int64_t index  = 0;
+            while (Seek(buffer, find, &index, SeekFlag_IgnoreCase)) {
+                String found = {buffer.data + index, find.len};
+                SearchThreadArrayMutex.lock();
+                {
+                    Matches.add(found);
+                }
+                SearchThreadArrayMutex.unlock();
+
+                if (SearchThreadStopSearching) break;
+                buffer = buffer.skip(index + find.len);
+            }
+        }
+    }
+}
+
+void SearchThreadClose(std::thread &thread) {
+    SearchThreadRunning = false;
+    SearchThreadSemaphore.release();
+    thread.join();
+}