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[Taranis / sky9x] Bad wrap-around in files selection popups

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This commit is contained in:
bsongis@gmail.com
2013-05-07 09:35:19 +00:00
parent 481c18d6ff
commit 86baf80ac2
3 changed files with 30 additions and 1 deletions
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src/gui/menu_model.cpp
+17
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@@ -146,6 +146,10 @@ bool listSdFiles(const char *path, const char *extension, const uint8_t maxlen,
s_last_menu_offset = 0;
memset(reusableBuffer.modelsel.menu_bss, 0, sizeof(reusableBuffer.modelsel.menu_bss));
}
else if (s_menu_offset == s_menu_count - MENU_MAX_LINES) {
s_last_menu_offset = 0xffff;
memset(reusableBuffer.modelsel.menu_bss, 0, sizeof(reusableBuffer.modelsel.menu_bss));
}
else if (s_menu_offset == s_last_menu_offset) {
// should not happen, only there because of Murphy's law
return true;
@@ -212,6 +216,19 @@ bool listSdFiles(const char *path, const char *extension, const uint8_t maxlen,
for (uint8_t i=0; i<min(s_menu_count, (uint16_t)MENU_MAX_LINES); i++)
s_menu[i] = reusableBuffer.modelsel.menu_bss[i];
}
else if (s_last_menu_offset == 0xffff) {
for (int i=MENU_MAX_LINES-1; i>=0; i--) {
char *line = reusableBuffer.modelsel.menu_bss[i];
if (line[0] == '\0' || strcmp(fn, line) > 0) {
if (i > 0) memmove(reusableBuffer.modelsel.menu_bss[0], reusableBuffer.modelsel.menu_bss[1], sizeof(reusableBuffer.modelsel.menu_bss[i]) * i);
memset(line, 0, MENU_LINE_LENGTH);
strcpy(line, fn);
break;
}
}
for (uint8_t i=0; i<min(s_menu_count, (uint16_t)MENU_MAX_LINES); i++)
s_menu[i] = reusableBuffer.modelsel.menu_bss[i];
}
else if (s_menu_offset > s_last_menu_offset) {
if (strcmp(fn, reusableBuffer.modelsel.menu_bss[MENU_MAX_LINES-2]) > 0 && strcmp(fn, reusableBuffer.modelsel.menu_bss[MENU_MAX_LINES-1]) < 0) {
memset(reusableBuffer.modelsel.menu_bss[MENU_MAX_LINES-1], 0, MENU_LINE_LENGTH);