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MarlinFirmware/Marlin/src/lcd/menu/menu_media.cpp

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/**
* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
* 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
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
*/
//
// SD Card Menu
//
#include "../../inc/MarlinConfigPre.h"
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#if BOTH(HAS_LCD_MENU, SDSUPPORT)
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#include "menu_item.h"
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#include "../../sd/cardreader.h"
void lcd_sd_updir() {
ui.encoderPosition = card.cdup() ? ENCODER_STEPS_PER_MENU_ITEM : 0;
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encoderTopLine = 0;
ui.screen_changed = true;
ui.refresh();
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}
#if ENABLED(SD_REPRINT_LAST_SELECTED_FILE)
uint16_t sd_encoder_position = 0xFFFF;
int8_t sd_top_line, sd_items;
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void MarlinUI::reselect_last_file() {
if (sd_encoder_position == 0xFFFF) return;
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goto_screen(menu_media, sd_encoder_position, sd_top_line, sd_items);
sd_encoder_position = 0xFFFF;
defer_status_screen();
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}
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#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;
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sd_top_line = encoderTopLine;
sd_items = screen_items;
#endif
#if ENABLED(SD_MENU_CONFIRM_START)
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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();
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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;
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ui.encoderPosition = 2 * (ENCODER_STEPS_PER_MENU_ITEM);
ui.screen_changed = true;
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TERN_(HAS_GRAPHICAL_LCD, ui.drawing_screen = false);
ui.refresh();
}
};
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void menu_media() {
ui.encoder_direction_menus();
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#if HAS_GRAPHICAL_LCD
static uint16_t fileCnt;
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if (ui.first_page) fileCnt = card.get_num_Files();
#else
const uint16_t fileCnt = card.get_num_Files();
#endif
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START_MENU();
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BACK_ITEM(MSG_MAIN);
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if (card.flag.workDirIsRoot) {
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#if !PIN_EXISTS(SD_DETECT)
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ACTION_ITEM(MSG_REFRESH, []{ encoderTopLine = 0; card.mount(); });
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#endif
}
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else if (card.isMounted())
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ACTION_ITEM_P(PSTR(LCD_STR_FOLDER ".."), lcd_sd_updir);
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if (ui.should_draw()) for (uint16_t i = 0; i < fileCnt; i++) {
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if (_menuLineNr == _thisItemNr) {
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card.getfilename_sorted(SD_ORDER(i, fileCnt));
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if (card.flag.filenameIsDir)
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MENU_ITEM(sdfolder, MSG_MEDIA_MENU, card);
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else
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MENU_ITEM(sdfile, MSG_MEDIA_MENU, card);
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}
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else
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SKIP_ITEM();
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}
END_MENU();
}
#endif // HAS_LCD_MENU && SDSUPPORT