+#if defined(PLATFORM_ANDROID)
+ if (key == KSYM_Back)
+ {
+ // always map the "back" button to the "escape" key on Android devices
+ key = KSYM_Escape;
+ }
+ else if (key == KSYM_Menu)
+ {
+ // the "menu" button can be used to toggle displaying virtual buttons
+ if (key_status == KEY_PRESSED)
+ SetOverlayEnabled(!GetOverlayEnabled());
+ }
+ else if (!textinput_status)
+ {
+ // for any other "real" key event, disable virtual buttons
+ SetOverlayEnabled(FALSE);
+
+ // for any other "real" key event, disable overlay touch buttons
+ runtime.uses_touch_device = FALSE;
+ }
+#endif
+
+ HandleKeyModState(key, key_status);
+
+ // process all keys if not in text input mode or if non-printable keys
+ if (!checkTextInputKey(key))
+ HandleKey(key, key_status);
+}
+
+static int HandleDropFileEvent(char *filename)
+{
+ Debug("event:dropfile", "filename == '%s'", filename);
+
+ // check and extract dropped zip files into correct user data directory
+ if (!strSuffixLower(filename, ".zip") &&
+ !strPrefixLower(filename, "fd:"))
+ {
+ Warn("file '%s' not supported", filename);
+
+ return TREE_TYPE_UNDEFINED;
+ }
+
+ TreeInfo *tree_node = NULL;
+ int tree_type = GetZipFileTreeType(filename);
+ char *directory = TREE_USERDIR(tree_type);
+
+ if (directory == NULL)
+ {
+ Warn("zip file '%s' has invalid content!", filename);
+
+ return TREE_TYPE_UNDEFINED;
+ }
+
+ if (tree_type == TREE_TYPE_LEVEL_DIR &&
+ game_status == GAME_MODE_LEVELS &&
+ leveldir_current->node_parent != NULL)
+ {
+ // extract new level set next to currently selected level set
+ tree_node = leveldir_current;
+
+ // get parent directory of currently selected level set directory
+ directory = getLevelDirFromTreeInfo(leveldir_current->node_parent);
+
+ // use private level directory instead of top-level package level directory
+ if (strPrefix(directory, options.level_directory) &&
+ strEqual(leveldir_current->node_parent->fullpath, "."))
+ directory = getUserLevelDir(NULL);
+ }
+
+ // extract level or artwork set from zip file to target directory
+ char *top_dir = ExtractZipFileIntoDirectory(filename, directory, tree_type);
+
+ if (top_dir == NULL)
+ {
+ // error message already issued by "ExtractZipFileIntoDirectory()"
+
+ return TREE_TYPE_UNDEFINED;
+ }
+
+ // add extracted level or artwork set to tree info structure
+ AddTreeSetToTreeInfo(tree_node, directory, top_dir, tree_type);
+
+ // force restart after adding level collection
+ if (getTreeInfoFromIdentifier(TREE_FIRST_NODE(tree_type), top_dir) == NULL)
+ {
+ Request("Program must be restarted after adding a new level collection!",
+ REQ_CONFIRM);
+
+ CloseAllAndExit(0);
+ }
+
+ // update menu screen (and possibly change current level set)
+ DrawScreenAfterAddingSet(top_dir, tree_type);
+
+ return tree_type;
+}
+
+static void HandleDropTextEvent(char *text)
+{
+ Debug("event:droptext", "text == '%s'", text);
+}
+
+static void HandleDropCompleteEvent(int num_level_sets_succeeded,
+ int num_artwork_sets_succeeded,
+ int num_files_failed)
+{
+ // only show request dialog if no other request dialog already active
+ if (game.request_active)
+ return;
+
+ // this case can happen with drag-and-drop with older SDL versions
+ if (num_level_sets_succeeded == 0 &&
+ num_artwork_sets_succeeded == 0 &&
+ num_files_failed == 0)
+ return;
+
+ char message[100];
+
+ if (num_level_sets_succeeded > 0 || num_artwork_sets_succeeded > 0)