1 files changed, 141 insertions, 0 deletions
diff --git a/Marlin/src/lcd/menu/menu_media.cpp b/Marlin/src/lcd/menu/menu_media.cpp
new file mode 100644
index 0000000..7a525d0
--- /dev/null
+++ b/Marlin/src/lcd/menu/menu_media.cpp
@@ -0,0 +1,141 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+//
+// SD Card Menu
+//
+
+#include "../../inc/MarlinConfigPre.h"
+
+#if BOTH(HAS_LCD_MENU, SDSUPPORT)
+
+#include "menu_item.h"
+#include "../../sd/cardreader.h"
+
+void lcd_sd_updir() {
+  ui.encoderPosition = card.cdup() ? ENCODER_STEPS_PER_MENU_ITEM : 0;
+  encoderTopLine = 0;
+  ui.screen_changed = true;
+  ui.refresh();
+}
+
+#if ENABLED(SD_REPRINT_LAST_SELECTED_FILE)
+
+  uint16_t sd_encoder_position = 0xFFFF;
+  int8_t sd_top_line, sd_items;
+
+  void MarlinUI::reselect_last_file() {
+    if (sd_encoder_position == 0xFFFF) return;
+    goto_screen(menu_media, sd_encoder_position, sd_top_line, sd_items);
+    sd_encoder_position = 0xFFFF;
+    defer_status_screen();
+  }
+
+#endif
+
+inline void sdcard_start_selected_file() {
+  card.openAndPrintFile(card.filename);
+  ui.return_to_status();
+  ui.reset_status();
+}
+
+class MenuItem_sdfile : public MenuItem_sdbase {
+  public:
+    static inline void draw(const bool sel, const uint8_t row, PGM_P const pstr, CardReader &theCard) {
+      MenuItem_sdbase::draw(sel, row, pstr, theCard, false);
+    }
+    static void action(PGM_P const pstr, CardReader &) {
+      #if ENABLED(SD_REPRINT_LAST_SELECTED_FILE)
+        // Save menu state for the selected file
+        sd_encoder_position = ui.encoderPosition;
+        sd_top_line = encoderTopLine;
+        sd_items = screen_items;
+      #endif
+      #if ENABLED(SD_MENU_CONFIRM_START)
+        MenuItem_submenu::action(pstr, []{
+          char * const longest = card.longest_filename();
+          char buffer[strlen(longest) + 2];
+          buffer[0] = ' ';
+          strcpy(buffer + 1, longest);
+          MenuItem_confirm::select_screen(
+            GET_TEXT(MSG_BUTTON_PRINT), GET_TEXT(MSG_BUTTON_CANCEL),
+            sdcard_start_selected_file, ui.goto_previous_screen,
+            GET_TEXT(MSG_START_PRINT), buffer, PSTR("?")
+          );
+        });
+      #else
+        sdcard_start_selected_file();
+        UNUSED(pstr);
+      #endif
+    }
+};
+
+class MenuItem_sdfolder : public MenuItem_sdbase {
+  public:
+    static inline void draw(const bool sel, const uint8_t row, PGM_P const pstr, CardReader &theCard) {
+      MenuItem_sdbase::draw(sel, row, pstr, theCard, true);
+    }
+    static void action(PGM_P const, CardReader &theCard) {
+      card.cd(theCard.filename);
+      encoderTopLine = 0;
+      ui.encoderPosition = 2 * (ENCODER_STEPS_PER_MENU_ITEM);
+      ui.screen_changed = true;
+      TERN_(HAS_MARLINUI_U8GLIB, ui.drawing_screen = false);
+      ui.refresh();
+    }
+};
+
+void menu_media() {
+  ui.encoder_direction_menus();
+
+  #if HAS_MARLINUI_U8GLIB
+    static uint16_t fileCnt;
+    if (ui.first_page) fileCnt = card.get_num_Files();
+  #else
+    const uint16_t fileCnt = card.get_num_Files();
+  #endif
+
+  START_MENU();
+  BACK_ITEM_P(TERN1(BROWSE_MEDIA_ON_INSERT, screen_history_depth) ? GET_TEXT(MSG_MAIN) : GET_TEXT(MSG_BACK));
+  if (card.flag.workDirIsRoot) {
+    #if !PIN_EXISTS(SD_DETECT)
+      ACTION_ITEM(MSG_REFRESH, []{ encoderTopLine = 0; card.mount(); });
+    #endif
+  }
+  else if (card.isMounted())
+    ACTION_ITEM_P(PSTR(LCD_STR_FOLDER ".."), lcd_sd_updir);
+
+  if (ui.should_draw()) for (uint16_t i = 0; i < fileCnt; i++) {
+    if (_menuLineNr == _thisItemNr) {
+      card.getfilename_sorted(SD_ORDER(i, fileCnt));
+      if (card.flag.filenameIsDir)
+        MENU_ITEM(sdfolder, MSG_MEDIA_MENU, card);
+      else
+        MENU_ITEM(sdfile, MSG_MEDIA_MENU, card);
+    }
+    else
+      SKIP_ITEM();
+  }
+  END_MENU();
+}
+
+#endif // HAS_LCD_MENU && SDSUPPORT