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Add card.longest_filename method

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This commit is contained in:
Scott Lahteine
2018-07-13 01:44:27 -05:00
parent 71df1f7f57
commit 065e9c3d66
5 changed files with 41 additions and 43 deletions
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20
Marlin/src/lcd/ultralcd_impl_HD44780.h
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@@ -926,29 +926,29 @@ static void lcd_implementation_status_screen() {
#if ENABLED(SDSUPPORT)
static void lcd_implementation_drawmenu_sd(const bool sel, const uint8_t row, const char* const pstr, const char* filename, char* const longFilename, const uint8_t concat, const char post_char) {
static void lcd_implementation_drawmenu_sd(const bool sel, const uint8_t row, const char* const pstr, CardReader &theCard, const uint8_t concat, const char post_char) {
UNUSED(pstr);
lcd_moveto(0, row);
lcd_put_wchar(sel ? '>' : ' ');
uint8_t n = LCD_WIDTH - concat;
const char *outstr = longFilename[0] ? longFilename : filename;
if (longFilename[0]) {
const char *outstr = theCard.longest_filename();
if (theCard.longFilename[0]) {
#if ENABLED(SCROLL_LONG_FILENAMES)
if (sel) {
uint8_t name_hash = row;
for (uint8_t l = FILENAME_LENGTH; l--;)
name_hash = ((name_hash << 1) | (name_hash >> 7)) ^ filename[l]; // rotate, xor
name_hash = ((name_hash << 1) | (name_hash >> 7)) ^ theCard.filename[l]; // rotate, xor
if (filename_scroll_hash != name_hash) { // If the hash changed...
filename_scroll_hash = name_hash; // Save the new hash
filename_scroll_max = MAX(0, utf8_strlen(longFilename) - n); // Update the scroll limit
filename_scroll_max = MAX(0, utf8_strlen(theCard.longFilename) - n); // Update the scroll limit
filename_scroll_pos = 0; // Reset scroll to the start
lcd_status_update_delay = 8; // Don't scroll right away
}
outstr += filename_scroll_pos;
}
#else
longFilename[n] = '\0'; // cutoff at screen edge
theCard.longFilename[n] = '\0'; // cutoff at screen edge
#endif
}
@@ -960,12 +960,12 @@ static void lcd_implementation_status_screen() {
lcd_put_wchar(post_char);
}
static void lcd_implementation_drawmenu_sdfile(const bool sel, const uint8_t row, const char* pstr, const char* filename, char* const longFilename) {
lcd_implementation_drawmenu_sd(sel, row, pstr, filename, longFilename, 2, ' ');
static void lcd_implementation_drawmenu_sdfile(const bool sel, const uint8_t row, const char* pstr, CardReader &theCard) {
lcd_implementation_drawmenu_sd(sel, row, pstr, theCard, 2, ' ');
}
static void lcd_implementation_drawmenu_sddirectory(const bool sel, const uint8_t row, const char* pstr, const char* filename, char* const longFilename) {
lcd_implementation_drawmenu_sd(sel, row, pstr, filename, longFilename, 2, LCD_STR_FOLDER[0]);
static void lcd_implementation_drawmenu_sddirectory(const bool sel, const uint8_t row, const char* pstr, CardReader &theCard) {
lcd_implementation_drawmenu_sd(sel, row, pstr, theCard, 2, LCD_STR_FOLDER[0]);
}
#endif // SDSUPPORT