Increase audio track list window to full-height

src/audio_settings_page.cpp

@@ -422,7 +422,13 @@ void AudioSettingsPage::renderModal(SDL_Renderer* renderer, float fw, float fh,
     {
         float itemHeight = 45.0f;
         float listY = currentY;
-        int visibleItems = std::min(8, static_cast<int>(items.size()));
+
+        // Fill the pop-up down to its bottom edge so as many options fit as
+        // the box allows. Overflow is clipped at the box bottom instead of
+        // halfway down the screen.
+        float listBottom = boxY + boxH - 16.0f;
+        int visibleItems = std::max(1, std::min(static_cast<int>(items.size()),
+            static_cast<int>((listBottom - listY) / itemHeight)));
         int startIdx = 0;
 
         // Center the visible window around selected index
@@ -435,7 +441,7 @@ void AudioSettingsPage::renderModal(SDL_Renderer* renderer, float fw, float fh,
 
         if (modalItems_.size() < static_cast<size_t>(endIdx)) modalItems_.resize(endIdx);
         for (int i = startIdx; i < endIdx; ++i) {
-            if (listY + itemHeight > fh - 80.0f) break;
+            if (listY + itemHeight > listBottom) break;
 
             SDL_Color color = (i == modalSelectedIndex_) ? yellow : white;
             if (i == 0 && modalState_ == ModalState::TrackSelector) {