feat: expand Files features; add file associations

programs/src/desktop/apps/filemanager/navigation.cpp

@@ -281,28 +281,28 @@ void filemanager_open_entry(FileManagerState* fm, int idx) {
         return;
     }
 
-    // Open file with appropriate app
+    // Open the file with its default app (see associations.cpp).
+    DesktopState* ds = fm->desktop;
+    const char* name = fm->entry_names[idx];
     char fullpath[512];
-    filemanager_build_fullpath(fullpath, 512, fm->current_path, fm->entry_names[idx]);
-    if (is_image_file(fm->entry_names[idx])) {
-        montauk::spawn("0:/apps/imageviewer/imageviewer.elf", fullpath);
-    } else if (is_font_file(fm->entry_names[idx])) {
-        montauk::spawn("0:/apps/fontpreview/fontpreview.elf", fullpath);
-    } else if (is_pdf_file(fm->entry_names[idx])) {
-        montauk::spawn("0:/apps/pdfviewer/pdfviewer.elf", fullpath);
-    } else if (is_spreadsheet_file(fm->entry_names[idx])) {
-        montauk::spawn("0:/apps/spreadsheet/spreadsheet.elf", fullpath);
-    } else if (is_wordprocessor_file(fm->entry_names[idx])) {
-        montauk::spawn("0:/apps/wordprocessor/wordprocessor.elf", fullpath);
-    } else if (is_audio_file(fm->entry_names[idx])) {
-        montauk::spawn("0:/apps/music/music.elf", fullpath);
-    } else if (is_video_file(fm->entry_names[idx])) {
-        montauk::spawn("0:/apps/video/video.elf", fullpath);
-    } else if (str_ends_with(fm->entry_names[idx], ".elf")) {
-        montauk::spawn(fullpath);
-    } else {
-        montauk::spawn("0:/apps/texteditor/texteditor.elf", fullpath);
+    filemanager_build_fullpath(fullpath, 512, fm->current_path, name);
+    if (str_ends_with(name, ".elf")) {
+        desktop_spawn_app(ds, fullpath);
+        return;
     }
+
+    char ext[16];
+    file_extension(name, ext, sizeof(ext));
+    int app = filemanager_assoc_default(ds, ext);
+    if (app >= 0 && filemanager_launch_with(ds, app, fullpath)) return;
+
+    // Nothing claims this type: text still goes straight to the Text Editor
+    // (READMEs, Makefiles, odd extensions); anything else asks.
+    if (filemanager_file_looks_textual(fullpath)) {
+        desktop_spawn_app(ds, "0:/apps/texteditor/texteditor.elf", fullpath);
+        return;
+    }
+    filemanager_show_open_with(fm, idx);
 }
 
 } // namespace filemanager