DJUI: Ignore garbage text inputs if there are no valid characters

developer/dx.sh

@@ -1,7 +1 @@
-function compiler() {
+make RENDER_API=D3D12 WINDOW_API=DXGI BETTERCAMERA=1 NODRAWINGDISTANCE=1 DEBUG=1 IMMEDIATELOAD=1 DEVELOPMENT=1 && ./build/us_pc/sm64.us.f3dex2e.exe
-    make RENDER_API=$1 WINDOW_API=$2 AUDIO_API=$3 CONTROLLER_API=$4
-}
-
-compiler D3D12 DXGI SDL2 SDL2 d3d12_2
-
-./build/us_pc/sm64.us.f3dex2e.exe

src/pc/djui/djui_inputbox.c

@@ -307,6 +307,20 @@ static void djui_inputbox_on_text_input(struct DjuiBase *base, char* text) {
     int msgLen = strlen(msg);
     int textLen = strlen(text);
 
+    // make sure we're not just printing garbage characters
+    bool containsValidAscii = false;
+    char* tinput = text;
+    while (*tinput != NULL) {
+        if (*tinput >= '!' && *tinput <= '~') {
+            containsValidAscii = true;
+            break;
+        }
+        tinput++;
+    }
+    if (!containsValidAscii) {
+        return;
+    }
+
     // truncate
     if (textLen + msgLen >= inputbox->bufferSize) {
         int space = (inputbox->bufferSize - msgLen);